CN102699323A - Discharge mechanism of powder metallurgy press - Google Patents
Discharge mechanism of powder metallurgy press Download PDFInfo
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- CN102699323A CN102699323A CN2012102021770A CN201210202177A CN102699323A CN 102699323 A CN102699323 A CN 102699323A CN 2012102021770 A CN2012102021770 A CN 2012102021770A CN 201210202177 A CN201210202177 A CN 201210202177A CN 102699323 A CN102699323 A CN 102699323A
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- powder metallurgy
- discharging mechanism
- metallurgy press
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- nesting box
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- 238000004663 powder metallurgy Methods 0.000 title claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 45
- 238000003860 storage Methods 0.000 claims description 46
- 238000007599 discharging Methods 0.000 claims description 39
- 239000000428 dust Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 238000004826 seaming Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 16
- 239000000843 powder Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention discloses a discharge mechanism of a powder metallurgy press. The powder metallurgy press comprises a material hole main body, an upper pressing head, a lower pressing head and a return plate; the return plate is provided with a plurality of die cavities penetrating the upper and lower surfaces; the discharge mechanism of the powder metallurgy press comprises a forward push piece, a discharge box and a plurality of elastic elements, wherein the discharge box is arranged on the return plate in a sliding mode, and the front end of the discharge box is provided with an open accommodating groove; one end of each elastic element presses against the discharge box, and the other end of each elastic element presses against the return plate; and the forward push piece is arranged on one side of the material hole main body, can push a workpiece into the accommodating groove together with movement of the material hole main body, and continuously pushes the workpiece so that the discharge box leaves the die cavities. The discharge mechanism of the powder metallurgy press has the advantages that the discharged workpieces can be regularly sequenced, the sequenced workpieces are conveniently grabbed by a manipulator, and the grabbing efficiency of the manipulator is improved.
Description
Technical field
The present invention relates to a kind of power metallurgy equipment, relate in particular to a kind of can the queuing in an orderly manner, make things convenient for manipulator to grasp, improve the powder metallurgy press discharging mechanism of the extracting frequency of manipulator the workpiece of discharging.
Background technology
In the powder metallurgy process, alloy powder needs behind the compacted closely knit one-tenth solid state to take out to be placed in to sinter finished product on the sintering pan in the great tonnage press mold cavity.Traditional handicraft be compacted closely knit one-tenth solid workpiece the press die push-down head lift be elevated to expect the consistent height in bottom surface, cave after be that the elasticity rubber of front side, quilting cave is released the blanketed zone forward or taken away by the numerical controlled machinery hand.But because the fitting tightly of workpiece and push-down head after pressing closely, cause workpiece to come off and form waste product or manipulator and grasp and grasp failure phenomenon because of adhesion strength is big preceding pushing away in the process peripheral powder.
The powder that reduces for improving the quality of products in the stampings demoulding fetching process comes off, and people improve pressing process; Technology after the improvement is that push-down head is increased to when exceeding material bottom surface, cave 0.2-0.3 millimeter; Front side, materials cave elasticity rubber promotes to make workpiece and push-down head faying face to break away from forward again; Significantly reduced like this press down and the workpiece faying face between the powder obscission; And eliminated the adhesion strength between workpiece and the push-down head faying face, the improvement of technology has improved product quality greatly.Yet; Method after the improvement has also been brought some shortcomings, is exactly that originally attitude in good order had been changed the attitude into chaotic in mold cavity after front side, workpiece quilting cave elasticity rubber promoted; Therefore; Adopt digitized manipulator just to be difficult to grasp exactly material, this has caused great influence to discharging, and does not also have to eliminate at present the solution of above-mentioned influence.
Based on above-mentioned deficiency, therefore, need a kind of can the queuing in an orderly manner to the workpiece of discharging, make things convenient for manipulator to grasp, improve the powder metallurgy press discharging mechanism of the extracting frequency of manipulator.
Summary of the invention
The object of the present invention is to provide a kind of can the queuing in an orderly manner, make things convenient for manipulator to grasp, improve the powder metallurgy press discharging mechanism of the extracting frequency of manipulator the workpiece of discharging.
To achieve these goals; Powder metallurgy press discharging mechanism provided by the invention; Said powder metallurgy press comprises material cave main body, seaming chuck, push-down head and stripper; Said stripper offers the die cavity of some perforation upper and lower surfaces, and said upper and lower pressure head is in the both sides of said stripper respectively and can in said die cavity, metal dust be compressed into workpiece, and said material cave main body is arranged at the top of said stripper slidably; Said powder metallurgy press discharging mechanism comprises preceding push piece, nesting box and plurality of elastic element, and said nesting box is slidably mounted on the said stripper and front end is provided with the storage tank of opening; Said flexible member one end and said nesting box are conflicted, and the other end and said stripper are conflicted; Push piece is installed on a side of said material cave main body before said, and can move and promote said workpiece and get in the said storage tank with said material cave main body, and continues to promote to make said nesting box away from said die cavity.
Preferably, said powder metallurgy press discharging mechanism also comprises a pair of guide plate, and said guide plate offers sliding tray and is fixed in the both sides of said stripper, and the both sides of the edge of said nesting box are installed in the said sliding tray slidably.Through on said guide plate, offering sliding tray, make said nesting box after receiving thrust, can on said stripper, realize being free to slide, thereby make it can be with the reach of said material cave main body away from said die cavity.
Preferably; Said powder metallurgy press discharging mechanism also comprises pair of push rods; Said push rod is installed on a side of said material cave main body and lays respectively at the both sides of said preceding push piece; The length of said push rod and said before the equal in length of push piece, after push piece promotes said workpiece and gets into storage tank fully before said, the top of said push rod and the conflict of said nesting box.The effect of push rod is to promote said workpiece to move before said; The lower surface and the push-down head of said workpiece are broken away from each other; And through said push rod is set, make the length of said push rod equal said before the length of push piece, can make said push rod after said workpiece gets into storage tank fully, promote said nesting box simultaneously; Avoid conflict of said preceding push piece and said nesting box and extruding to cause damage; And said push rod makes it away from said die cavity by the said nesting box of mobile promotion of said material cave main body, makes said workpiece withdraw from the blanketed zone between the push-down head, makes things convenient for next step the material work of getting.
Particularly, said push rod is an adjustment screw, and said adjustment screw is threaded with said material cave main body.Through using adjustment screw to be threaded with said material cave main body, said push rod can freely be finely tuned, make its length remain consistent with said preceding push piece.
Preferably, the opening part of said storage tank is provided with guiding groove, and the opening of said guiding groove outwards enlarges gradually.Because when push piece promotion workpiece moves before said; Small skew possibly take place and can not accurately get into said storage tank in said workpiece; Therefore, said guiding groove being set can make said workpiece under the situation of skew, also can accurately get in the said storage tank along the direction of said guiding groove.
Preferably, the other end of said storage tank is connected with the rear end of said nesting box.Said workpiece get into said storage tank and away from said die cavity after; Manipulator can grasp said workpiece, still, occurs grasping failure phenomenon sometimes; Through said storage tank is connected said nesting box; Can make the workpiece that grasp to lose efficacy stay in the storage tank and when push piece promotes said before, it is released said storage tank next time, prevent its stuck discharging that in storage tank, hinders workpiece at the back through the motive force of next workpiece; In addition, because in the process that preceding pushes away, workpiece can produce powder, these powder can be piled up in said storage tank in large quantities after preceding promotion is after a while done, and therefore, said storage tank can also play the discharge powder, prevents the effect of piling up.
Particularly, said powder metallurgy press discharging mechanism also comprises receiver, and said receiver is installed on the below of said nesting box and over against the exit of the said storage tank other end.When manipulator grasped operational failure, said workpiece was pushed out said storage tank when preceding push piece promotes next time, and therefore, said receiver is set can collect said workpiece, thereby makes things convenient for the workman that it is carried out next step operation.
Particularly, said powder metallurgy press discharging mechanism also comprises guidance set, and said guidance set comprises spring base, guide post and guide holder; Said spring base is fixed in an end of said nesting box; Said guide holder and said guide plate are fixed, and said guide post one end and said spring base are fixed, and the other end is arranged on the said guide holder slidably; Said flexible member is socketed on the said guide post and an end and the conflict of said spring base, and the other end and said guide holder are conflicted.Particularly, said flexible member is the compression spring.Because said nesting box can be pushed in the process of discharge and away from said die cavity, therefore, said guide post and guide holder can be in the process that said nesting box moves play further guiding to it effect is set, prevent that said nesting box from squinting; Utilize said flexible member then to make said nesting box after discharge is accomplished, automatically revert to the home position, thereby prepare for discharge next time.
Compared with prior art; Because the present invention offers the storage tank of opening at the front end of said nesting box, and installs on the said stripper said nesting box slidably, and automatically be returned to initial position after utilizing the elastic-restoring force effect of said flexible member that said nesting box is moved receiving thrust; Again through push piece before said is installed on the main body of said material cave; The power that moves by said material cave main body make said before in the process that when said material cave main body moves, said die cavity covered of push piece, promote the workpiece suppressed simultaneously, thereby make said workpiece enter into said storage tank; And make said nesting box and workpiece withdraw from the blanketed zone away from said die cavity simultaneously; Thereby realize said workpiece is arranged in an orderly manner, and be in the extracting that helps manipulator outside the blanketed zone, avoided manipulator in the extracting process, to produce interference with seaming chuck and material cave main body; Improved the extracting frequency of manipulator; When having guaranteed the work piece production quality, reduce behaviour's machine personnel's labour intensity, improved production efficiency.
Description of drawings
Fig. 1 is the structural representation of powder metallurgy press discharging mechanism of the present invention.
Fig. 2 is the decomposing schematic representation of powder metallurgy press discharging mechanism of the present invention.
Fig. 3 is the structural representation of nesting box in the powder metallurgy press discharging mechanism of the present invention.
Fig. 4 is powder metallurgy press discharging mechanism of the present invention state diagram when promoting workpiece.
Fig. 5 is the state diagram when workpiece is in storage tank fully in the powder metallurgy press discharging mechanism of the present invention.
The specific embodiment
As shown in Figure 1; Fig. 1 has showed powder metallurgy press discharging mechanism 100 of the present invention; Said powder metallurgy press comprises material cave main body 201, seaming chuck 202, push-down head 203 and stripper 204; Said stripper 204 offers three roads and connects upper and lower surfaces and rectangular die cavity 204a; Said upper and lower pressure head 202,203 is in the both sides of said stripper 204 respectively and can in said die cavity 204a, metal dust be compressed into workpiece 300, and said push-down head 203 can upwards eject said workpiece 300, makes the bottom surface of said workpiece 300 exceed 0.2 millimeter on the surface of said stripper 204; Said material cave main body 201 is arranged at the top of said stripper 204 slidably, and said powder metallurgy press discharging mechanism 100 comprises preceding push piece 1, nesting box 2, a pair of flexible member 3, a pair of guide plate 4, pair of push rods 5, guidance set 6 and receiver 7.
See also Fig. 2, said guide plate 4 offers sliding tray 41 and is fixed in the both sides of said stripper 204; The both sides of the edge of said nesting box 2 are slidably mounted in the said sliding tray 41, and front end is provided with the mutual balance in three roads and storage tank 21 that have opening.Said guidance set 6 comprises spring base 61, guide post 62 and guide holder 63; Said spring base 61 is fixed in an end of said nesting box 2; Said guide holder 63 is fixed with said guide plate 4, and said guide post 62 1 ends and said spring base 61 are fixing, and the other end is arranged on the said guide holder 63 slidably; Said flexible member 3 is socketed on the said guide post 62 and an end and 61 conflicts of said spring base, and the other end and said guide holder 63 are conflicted.Push piece 1 is installed on the centre position of a side of said material cave main body 201 before said, said before push piece 1 can move and promote said workpiece 300 and get in the said storage tank 21 with said material cave main body 201.Distance before said between the faying face of the bottom surface of push piece 1 and said stripper 204 is 0.4 millimeter to 0.5 millimeter; Guarantee that said push-down head 203 upwards ejects workpiece 300; When making the bottom surface of said workpiece 300 exceed 2040.2 millimeters of said strippers, said before push piece 1 move forward and said push-down head 203 does not interfere.Said flexible member 3 is the compression spring.Because said nesting box 2 can be pushed in the process of discharge and away from said die cavity 204a; Therefore; Said guide post 62 and guide holder 63 are set prevent that to its effect of playing further guiding in the process that said nesting box 2 moves said nesting box 2 from squinting; Utilize said flexible member 3 then to make said nesting box 2 after discharge is accomplished, automatically revert to the home position, thereby prepare for discharge next time.
Please consult Fig. 2 again; Said push rod 5 is installed on a side of said material cave main body 201 and lays respectively at the both sides of said preceding push piece 1; The equal in length of the length of said push rod 5 and said preceding push piece 1; After the said workpiece 300 of push piece 1 promotion got into said storage tank 21 fully before said, the top of said push rod 5 and said nesting box 2 were conflicted.The effect of push piece 1 is to promote said workpiece 300 to move before said; The lower surface and the push-down head 204 of said workpiece 300 are broken away from each other; And through said push rod 5 is set, make the length of said push rod 5 equal said before the length of push piece 1, can make said push rod 5 after said workpiece 300 gets into said storage tank 21 fully, promote said nesting box 2 simultaneously; Avoid said preceding push piece 1 to conflict and push and cause damage with said nesting box 2; And said push rod 5 makes it away from said die cavity 204a by the said nesting box 2 of mobile promotion of said material cave main body 201, makes said workpiece 300 withdraw from upper and lower pressure head 202,203, makes things convenient for next step the material work of getting.Said push rod 5 is an adjustment screw, and said adjustment screw is threaded with said material cave main body 201.Through using adjustment screw to be threaded with said material cave main body 201, said push rod 5 can freely be finely tuned, make its length remain consistent with said preceding push piece 1.
See also Fig. 3, particularly, the opening part of said storage tank 21 is provided with guiding groove 22, and the opening of said guiding groove 22 outwards enlarges gradually.Because when push piece 1 promotion workpiece 300 moves before said; Small skew possibly take place and can not accurately get into said storage tank 21 in said workpiece 300; Therefore, said guiding groove 22 being set can make said workpiece 300 under the situation of skew, also can accurately get in the said storage tank 21 along the direction of said guiding groove 33.
Please consult Fig. 3 again, the other end of said storage tank 21 is connected with the rear end of said nesting box 2.At the said workpiece 300 said storage tanks 21 of entering and after away from said die cavity 204a; Manipulator can grasp said workpiece 300, still, occurs grasping failure phenomenon sometimes; Through said storage tank 21 is connected said nesting box 2; Can make the workpiece 300 that grasp to lose efficacy stay in the storage tank and when push piece 1 promotes said before, it is released said storage tank 21 next time, prevent its stuck discharging that in storage tank 21, hinders workpiece at the back through the motive force of next workpiece; In addition, because in the process that preceding pushes away, workpiece can produce powder, these powder can be piled up in said storage tank 21 in large quantities after preceding promotion is after a while done, and therefore, said storage tank 21 can also play the discharge powder, prevents the effect of piling up.Said receiver 7 is installed on the below of said nesting box 2 and over against the exit of said storage tank 21 other ends.When manipulator grasps operational failure; Said workpiece 300 is pushed out said storage tank 21 when preceding push piece 1 promotes next time; Therefore, said receiver 7 is set can be with said workpiece 300 and powder collection, thereby makes things convenient for the workman that it is carried out next step operation.
Comprehensive above-mentioned and combine Fig. 4 and Fig. 5, the operation principle in the face of powder metallurgy press discharging mechanism 100 of the present invention is elaborated down, as follows:
During spun work; The bottom surface that said push-down head 203 is in said die cavity 204a carries said metal dust; Said metal dust is among the said die cavity 204a; Said seaming chuck 202 moved down and got in the said die cavity 204a this moment, said metal dust is compressed, thereby suppress said workpiece 300.During discharging; Said push-down head 203 upwards promotes said workpiece 300; Make to rise on the bottom surface of said workpiece 300 and exceed 2040.2 millimeters of said strippers, at this moment, cylinder promote said material cave main body 201 drive said before push piece 1 move forward; After moving to certain distance, said preceding push piece 1 is conflicted and is promoted said workpiece 300 with said workpiece 300 and continues to move forward; Said workpiece 300 gets in the storage tank 21 of said nesting box 2 under the guiding of said guiding groove 22.When said workpiece 300 just gets into said storage tank 21 fully, said push rod 5 just with said nesting box 2 on spring base 61 conflict; Said material cave main body 201 continues to move forward, and makes said push rod 5 promote said spring base 61 and then promote said nesting box 2 to move forward, promptly away from said die cavity 204a and nip region.At this moment, said nesting box 2 moves forward under the dual guide effect of said sliding tray 41 and guide post 62, simultaneously, and the said flexible member 3 of said spring base 61 compressions.When the said die cavity 204a of the covering fully of said material cave main body 201, stop to move, this moment, said material cave main body 201 was filled it up with said metal dust once more in said die cavity 204a, and meanwhile, the workpiece 300 that manipulator will be in the said nesting box 2 take out.Then; Said material cave main body 201 is retreated and is turned back to the home position; Said nesting box 2 moves to initial position backward under the restoring force effect of said flexible member 3, at this moment, and the suppression process that said material cave main body 201, upper and lower pressure head 202,203, nesting box 2 are prepared next time.
Compared with prior art; Because the present invention offers the storage tank 21 of opening at the front end of said nesting box 2; And install on the sliding tray 41 of said guide plate 4 slidably the both sides of the edge that make said nesting box 2; And the elastic-restoring force effect that utilizes said flexible member 3 automatically is returned to initial position after said nesting box 2 is moved receiving thrust, is installed on the said material cave main body 201 through push piece 1 before will be said and push rod 5 again, and the power that moves by said material cave main body 201 also utilizes push rod 5 to make in the process that said preceding push piece 1 covers said die cavity 204a when said material cave main body 201 moves; The workpiece 300 that promotion has simultaneously been suppressed; Thereby make said workpiece 300 enter into said storage tank 21, and make said nesting box 2 and workpiece 300 withdraw from the blanketed zone away from said die cavity 204a simultaneously, thereby realize said workpiece 300 is arranged in an orderly manner; And be in the extracting that helps manipulator outside the blanketed zone; Avoided manipulator in the extracting process, to produce interference, improved the extracting frequency of manipulator, when having guaranteed the work piece production quality with seaming chuck 202 and material cave main body 201; Reduce behaviour's machine personnel's labour intensity, improved production efficiency.
Above disclosedly be merely preferred embodiments of the present invention, can not limit the present invention's interest field certainly with this, the equivalent variations of therefore doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (9)
1. powder metallurgy press discharging mechanism; Said powder metallurgy press comprises material cave main body, seaming chuck, push-down head and stripper; Said stripper offers the die cavity of some perforation upper and lower surfaces; Said upper and lower pressure head is in the both sides of said stripper respectively and can in said die cavity, metal dust be compressed into workpiece; Said material cave main body is arranged at the top of said stripper slidably, it is characterized in that: said powder metallurgy press discharging mechanism comprises preceding push piece, nesting box and plurality of elastic element, and said nesting box is slidably mounted on the said stripper and front end is provided with the storage tank of opening; Said flexible member one end and said nesting box are conflicted, and the other end and said stripper are conflicted; Push piece is installed on a side of said material cave main body before said, and can move and promote said workpiece and get in the said storage tank with said material cave main body, and continues to promote to make said nesting box away from said die cavity.
2. powder metallurgy press discharging mechanism as claimed in claim 1; It is characterized in that: said powder metallurgy press discharging mechanism also comprises a pair of guide plate; Said guide plate offers sliding tray and is fixed in the both sides of said stripper, and the both sides of the edge of said nesting box are installed in the said sliding tray slidably.
3. powder metallurgy press discharging mechanism as claimed in claim 1; It is characterized in that: said powder metallurgy press discharging mechanism also comprises pair of push rods; Said push rod is installed on a side of said material cave main body and lays respectively at the both sides of said preceding push piece; The length of said push rod and said before the equal in length of push piece, after push piece promotes said workpiece and gets into open slot fully before said, the top of said push rod and the conflict of said nesting box.
4. powder metallurgy press discharging mechanism as claimed in claim 3 is characterized in that: said push rod is an adjustment screw, and said adjustment screw is threaded with said material cave main body.
5. powder metallurgy press discharging mechanism as claimed in claim 1 is characterized in that: the opening part of said storage tank is provided with guiding groove, and the opening of said guiding groove outwards enlarges gradually.
6. powder metallurgy press discharging mechanism as claimed in claim 1 is characterized in that: the other end of said storage tank is connected with the rear end of said nesting box.
7. powder metallurgy press discharging mechanism as claimed in claim 6 is characterized in that: said powder metallurgy press discharging mechanism also comprises receiver, and said receiver is installed on the below of said nesting box and over against the exit of the said storage tank other end.
8. powder metallurgy press discharging mechanism as claimed in claim 2; It is characterized in that: said powder metallurgy press discharging mechanism also comprises guidance set; Said guidance set comprises spring base, guide post and guide holder, and said spring base is fixed in an end of said nesting box, and said guide holder and said guide plate are fixed; Said guide post one end and said spring base are fixed; The other end is arranged on the said guide holder slidably, and said flexible member is socketed on the said guide post and an end and the conflict of said spring base, and the other end and said guide holder are conflicted.
9. like each described powder metallurgy press discharging mechanism of claim 1-7, it is characterized in that: said flexible member is the compression spring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102021770A CN102699323B (en) | 2012-06-18 | 2012-06-18 | Discharge mechanism of powder metallurgy press |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102021770A CN102699323B (en) | 2012-06-18 | 2012-06-18 | Discharge mechanism of powder metallurgy press |
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| CN102699323A true CN102699323A (en) | 2012-10-03 |
| CN102699323B CN102699323B (en) | 2013-11-20 |
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| CN2012102021770A Expired - Fee Related CN102699323B (en) | 2012-06-18 | 2012-06-18 | Discharge mechanism of powder metallurgy press |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104827708A (en) * | 2015-05-18 | 2015-08-12 | 南通大西洋机械有限公司 | Discharging plate for hydraulic machine |
| CN107139524A (en) * | 2017-05-31 | 2017-09-08 | 四川奥恒环保科技有限公司 | A kind of two-layer equation garbage compression station |
| CN107322970A (en) * | 2017-05-31 | 2017-11-07 | 四川奥恒环保科技有限公司 | A kind of solar energy garbage compression station |
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2012
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104827708A (en) * | 2015-05-18 | 2015-08-12 | 南通大西洋机械有限公司 | Discharging plate for hydraulic machine |
| CN107139524A (en) * | 2017-05-31 | 2017-09-08 | 四川奥恒环保科技有限公司 | A kind of two-layer equation garbage compression station |
| CN107322970A (en) * | 2017-05-31 | 2017-11-07 | 四川奥恒环保科技有限公司 | A kind of solar energy garbage compression station |
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| Publication number | Publication date |
|---|---|
| CN102699323B (en) | 2013-11-20 |
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