CN102699323B - Discharge mechanism of powder metallurgy press - Google Patents
Discharge mechanism of powder metallurgy press Download PDFInfo
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- CN102699323B CN102699323B CN2012102021770A CN201210202177A CN102699323B CN 102699323 B CN102699323 B CN 102699323B CN 2012102021770 A CN2012102021770 A CN 2012102021770A CN 201210202177 A CN201210202177 A CN 201210202177A CN 102699323 B CN102699323 B CN 102699323B
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- powder metallurgy
- discharging mechanism
- metallurgy press
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- nesting box
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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 to the workpiece of discharging, facilitate manipulator to capture, improve the powder metallurgy press discharging mechanism of the crawl frequency of manipulator.
Background technology
In powder metallurgy process, alloy powder needs after compacted closely knit one-tenth solid state to take out to be placed on sintering pan to sinter finished product 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 namely by the elasticity rubber of material front side, cave, released forward blanketed zone or by digital control mechanical arm, taken away.But, due to fitting tightly of the workpiece after pressing closely and push-down head, cause workpiece peripheral powder in front pushing through journey to come off to form waste product or manipulator to capture and captures greatly the phenomenon of inefficacy because of adhesion strength.
The powder that reduces for improving the quality of products in stampings demoulding fetching process comes off, and people improve pressing process; Technique after improvement is that push-down head is increased to while exceeding material bottom surface, cave 0.2-0.3 millimeter, front side, materials cave elasticity rubber promotes forward to make workpiece and push-down head faying face to break away from again, greatly reduced like this press down and the workpiece faying face between the powder obscission, and eliminated the adhesion strength between workpiece and push-down head faying face, the improvement of technique has improved product quality greatly.Yet, method after improvement has also been brought some shortcomings, be exactly after workpiece is expected that front side, cave elasticity rubber promotes, originally attitude in good order has been changed to mixed and disorderly unordered attitude in mold cavity, therefore, adopt digitized manipulator just to be difficult to capture exactly material, this has caused great impact to discharging, and also there is no to eliminate at present the solution of above-mentioned impact.
Based on above-mentioned deficiency, therefore, need a kind of can the queuing in an orderly manner to the workpiece of discharging, facilitate manipulator to capture, improve the powder metallurgy press discharging mechanism of the crawl 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 to the workpiece of discharging, facilitate manipulator to capture, improve the powder metallurgy press discharging mechanism of the crawl frequency of manipulator.
To achieve these goals, powder metallurgy press discharging mechanism provided by the invention, described powder metallurgy press comprises material cave main body, seaming chuck, push-down head and stripper, described stripper offers the die cavity of some perforation upper and lower surfaces, described upper and lower pressure head is in respectively the both sides of described stripper and can in described die cavity, metal dust be compressed into workpiece, and described material cave main body is arranged at the top of described stripper slidably; Described powder metallurgy press discharging mechanism comprises front push piece, nesting box and some flexible members, and described nesting box is slidably mounted on described stripper and front end is provided with the storage tank of opening; Described flexible member one end and described nesting box are conflicted, and the other end and described stripper are conflicted; Described front push piece is installed on a side of described material cave main body, and can move and promote described workpiece and enter in described storage tank with described material cave main body, and continues to promote to make described nesting box away from described die cavity.
Preferably, described powder metallurgy press discharging mechanism also comprises a pair of guide plate, and described guide plate offers sliding tray and is fixed in the both sides of described stripper, and the both sides of the edge of described nesting box are installed in described sliding tray slidably.By offer sliding tray on described guide plate, make described nesting box can realize being free to slide on described stripper after being subject to thrust, thus can be with the reach of described material cave main body away from described die cavity.
Preferably, described powder metallurgy press discharging mechanism also comprises pair of push rods, described push rod is installed on a side of described material cave main body and lays respectively at the both sides of described front push piece, the length of described push rod and described front push piece equal in length, after the described workpiece of described front push piece promotion entered storage tank fully, the top of described push rod and described nesting box were conflicted.the effect of described front push rod is to promote described workpiece movable, lower surface and the push-down head of described workpiece are broken away from mutually, and by described push rod is set, make the length of described push rod equal the length of described front push piece, can make described push rod promote simultaneously described nesting box after described workpiece enters storage tank fully, avoid described front push piece and described nesting box conflict and push and cause damage, and described push rod promotes described nesting box by described material cave main body mobile and makes it away from described die cavity, make described workpiece withdraw from blanketed zone between push-down head, facilitate next step feeding work.
Particularly, described push rod is adjustment screw, and described adjustment screw is connected with described material cave main body screw.By using adjustment screw to be connected with described material cave main body screw, described push rod can freely be finely tuned, make it with the length of described front push piece, remain consistent.
Preferably, the opening part of described storage tank is provided with guiding groove, and the outward opening of described guiding groove enlarges gradually.While due to described front push piece, promoting workpiece movable, small skew may occur and can not accurately enter described storage tank in described workpiece, therefore, arrange that described guiding groove can make described workpiece in the situation that during skew also can accurately enter described storage tank along the direction of described guiding groove.
Preferably, the other end of described storage tank is connected with the rear end of described nesting box.Described workpiece enter described storage tank and away from described die cavity after, manipulator can capture described workpiece, but, the phenomenon that lost efficacy appears capturing sometimes, by described storage tank is connected described nesting box, can make the workpiece that captures inefficacy stay in storage tank and when described front push piece promotes, by the motive force of next workpiece, it be released described storage tank next time, preventing its stuck discharging that hinders the workpiece of back in storage tank; In addition, due in the process that front pushes away, workpiece can produce powder, and these powder after front promotion is after a while done, can be piled up in described storage tank in large quantities, and therefore, described storage tank can also play the discharge powder, prevents the effect of piling up.
Particularly, described powder metallurgy press discharging mechanism also comprises receiver, and described receiver is installed on the below of described nesting box and over against the exit of the described storage tank other end.When manipulator captured operational failure, described workpiece is pushed when front push piece promotes next time went out described storage tank, and therefore, described receiver is set can be collected described workpiece, thereby facilitates the workman to carry out next step operation to it.
Particularly, described powder metallurgy press discharging mechanism also comprises guidance set, described guidance set comprises spring base, guide post and guide holder, described spring base is fixed in an end of described nesting box, described guide holder and described guide plate are fixed, and described guide post one end and described spring base are fixed, and the other end is arranged on described guide holder slidably, described flexible member is socketed on described guide post and an end and the conflict of described spring base, and the other end and described guide holder are conflicted.Particularly, described flexible member is Compress Spring., therefore, described guide post and guide holder are set can play the effect of further guiding to it in the process that described nesting box moves away from described die cavity because described nesting box can be pushed in the process of discharge, prevent that described nesting box is offset; Utilize described flexible member to make described nesting box automatically revert to home position after discharge is completed, thereby prepare for next time discharge.
compared with prior art, offer the storage tank of opening at the front end of described nesting box due to the present invention, and described nesting box is installed on described stripper slidably, and the elastic-restoring force effect that utilizes described flexible member makes described nesting box automatically be returned to initial position being subject to thrust after movement, again by described front push piece being installed on the main body of described material cave, the power that moves by described material cave main body makes in described front push piece covers described die cavity when described material cave main body moves process, promote simultaneously the workpiece of having suppressed, thereby make described workpiece enter into described storage tank, and make described nesting box and workpiece withdraw from blanketed zone away from described die cavity simultaneously, thereby realize described workpiece is arranged in an orderly manner, and be in outside blanketed zone the crawl that is conducive to manipulator, avoided manipulator to produce and interfere with seaming chuck and material cave main body in the crawl process, improved the crawl 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 powder metallurgy press discharging mechanism of the present invention.
State diagram when Fig. 4 is powder metallurgy press discharging mechanism promotion workpiece of the present invention.
Fig. 5 is the state diagram when in powder metallurgy press discharging mechanism of the present invention, workpiece is in storage tank fully.
The specific embodiment
as shown in Figure 1, Fig. 1 has showed powder metallurgy press discharging mechanism 100 of the present invention, described powder metallurgy press comprises material cave main body 201, seaming chuck 202, push-down head 203 and stripper 204, described stripper 204 offers three roads and connects upper and lower surface and rectangular die cavity 204a, on described, push-down head 202, 203 are in respectively the both sides of described stripper 204 and can in described die cavity 204a, metal dust be compressed into workpiece 300, described push-down head 203 can upwards eject described workpiece 300, make the bottom surface of described workpiece 300 exceed 0.2 millimeter, the surface of described stripper 204, described material cave main body 201 is arranged at the top of described stripper 204 slidably, and described powder metallurgy press discharging mechanism 100 comprises front 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, described guide plate 4 offers sliding tray 41 and is fixed in the both sides of described stripper 204; The both sides of the edge of described nesting box 2 are slidably mounted in described sliding tray 41, and front end is provided with the storage tank 21 three mutual balances in road and that have opening.Described guidance set 6 comprises spring base 61, guide post 62 and guide holder 63, described spring base 61 is fixed in an end of described nesting box 2, described guide holder 63 is fixing with described guide plate 4, described guide post 62 1 ends and described spring base 61 are fixing, the other end is arranged on described guide holder 63 slidably, described flexible member 3 is socketed on described guide post 62 and an end and 61 conflicts of described spring base, and the other end and described guide holder 63 are conflicted.Described front push piece 1 is installed on the centre position of a side of described material cave main body 201, and described front push piece 1 can move and promotes described workpiece 300 and enter in described storage tank 21 with described material cave main body 201.Distance between the faying face of the bottom surface of described front push piece 1 and described stripper 204 is 0.4 millimeter to 0.5 millimeter, guarantee that described push-down head 203 upwards ejects workpiece 300, while making the bottom surface of described workpiece 300 exceed 2040.2 millimeters of described strippers, described front push piece 1 moves forward with described push-down head 203 and does not interfere.Described flexible member 3 is Compress Spring.Because described nesting box 2 can be pushed in the process of discharge away from described die cavity 204a, therefore, described guide post 62 and guide holder 63 are set can, to its effect of playing further guiding in the process that described nesting box 2 moves, prevent that described nesting box 2 is offset; Utilize described flexible member 3 to make described nesting box 2 automatically revert to home position after discharge is completed, thereby prepare for next time discharge.
Please consult again Fig. 2, described push rod 5 is installed on a side of described material cave main body 201 and lays respectively at the both sides of described front push piece 1, the length of described push rod 5 and described front push piece 1 equal in length, after the described front push piece 1 described workpiece 300 of promotion entered described storage tank 21 fully, the top of described push rod 5 and described nesting box 2 were conflicted.the effect of described front push piece 1 is to promote described workpiece 300 to move, lower surface and the push-down head 204 of described workpiece 300 are broken away from mutually, and by described push rod 5 is set, make the length of described push rod 5 equal the length of described front push piece 1, can make described push rod 5 enter fully at described workpiece 300 that described storage tank 21 is rear promotes described nesting box 2 simultaneously, avoid described front push piece 1 and described nesting box 2 to conflict extruding and cause damage, and described push rod 5 promotes described nesting box 2 by described material cave main body 201 mobile and makes it away from described die cavity 204a, described workpiece 300 is withdrawed from, push-down head 202, 203, facilitate next step feeding work.Described push rod 5 is adjustment screw, and described adjustment screw is threaded with described material cave main body 201.By using adjustment screw to be threaded with described material cave main body 201, described push rod 5 can freely be finely tuned, make its length with described front push piece 1 remain consistent.
See also Fig. 3, particularly, the opening part of described storage tank 21 is provided with guiding groove 22, and the outward opening of described guiding groove 22 enlarges gradually.While due to described front push piece 1 promotion workpiece 300, moving, small skew may occur and can not accurately enter described storage tank 21 in described workpiece 300, therefore, arrange that described guiding groove 22 can make described workpiece 300 in the situation that skew also can accurately enter described storage tank 21 along the direction of described guiding groove 33 in.
Please consult Fig. 3, the other end of described storage tank 21 is connected with the rear end of described nesting box 2 again.Described workpiece 300 enter described storage tank 21 and away from described die cavity 204a after, manipulator can capture described workpiece 300, but, the phenomenon that lost efficacy appears capturing sometimes, by described storage tank 21 is connected described nesting box 2, can make the workpiece 300 that captures inefficacy stay in storage tank and when described front push piece 1 promotes, by the motive force of next workpiece, it be released described storage tank 21 next time, preventing its stuck discharging that hinders the workpiece of back in storage tank 21; In addition, due in the process that front pushes away, workpiece can produce powder, and these powder after front promotion is after a while done, can be piled up in described storage tank 21 in large quantities, and therefore, described storage tank 21 can also play the discharge powder, prevents the effect of piling up.Described receiver 7 is installed on the below of described nesting box 2 and over against the exit of described storage tank 21 other ends.When manipulator captures operational failure, described workpiece 300 is pushed when front push piece 1 promotes next time goes out described storage tank 21, therefore, described receiver 7 is set can be with described workpiece 300 and powder collection, thereby facilitates the workman to carry out next step operation to it.
Comprehensive above-mentioned and in conjunction with Fig. 4 and Fig. 5, below the operation principle of powder metallurgy press discharging mechanism 100 of the present invention is elaborated, as follows:
During pressing component, described push-down head 203 is in the described metal dust of bottom surface carrying of described die cavity 204a, described metal dust is in described die cavity 204a, described seaming chuck 202 moved down and entered in described die cavity 204a this moment, described metal dust is compressed, thereby suppress described workpiece 300.During discharging, described push-down head 203 upwards promotes described workpiece 300, make on the bottom surface of described workpiece 300 and rise and exceed 2040.2 millimeters of described strippers, at this moment, cylinder promotes the described material cave main body 201 described front push pieces 1 of drive and moves forward, after moving to certain distance, described front push piece 1 is conflicted and is promoted described workpiece 300 with described workpiece 300 and continues to move forward; Described workpiece 300 enters in the storage tank 21 of described nesting box 2 under the guiding of described guiding groove 22.When described workpiece 300 just enters described storage tank 21 fully, described push rod 5 just with described nesting box 2 on spring base 61 conflict; Described material cave main body 201 continues to move forward, and makes described push rod 5 promote described spring base 61 and then promote described nesting box 2 to move forward, namely away from described die cavity 204a and nip region.At this moment, described nesting box 2 moves forward under the dual guide effect of described sliding tray 41 and guide post 62, simultaneously, and the described spring base 61 described flexible members 3 of compression.When the described die cavity 204a of covering fully of described material cave main body 201, stop mobilely, this moment, described material cave main body 201 was filled it up with described metal dust again in described die cavity 204a, and meanwhile, the workpiece 300 that manipulator will be in described nesting box 2 takes out.Then, described material cave main body 201 retreats and turns back to home position, described nesting box 2 moves backward to initial position under the restoring force effect of described flexible member 3, at this moment, and the suppression process that described material cave main body 201, upper and lower pressure head 202,203, nesting box 2 are prepared next time.
compared with prior art, offer the storage tank 21 of opening at the front end of described nesting box 2 due to the present invention, and install on the sliding tray 41 of described guide plate 4 slidably the both sides of the edge that make described nesting box 2, and the elastic-restoring force effect that utilizes described flexible member 3 makes described nesting box 2 automatically be returned to initial position being subject to thrust after movement, again by described front push piece 1 and push rod 5 are installed on described material cave main body 201, the power that moves by described material cave main body 201 also utilizes push rod 5 to make in described front push piece 1 covers described die cavity 204a when described material cave main body 201 moves process, promote simultaneously the workpiece 300 of having suppressed, thereby make described workpiece 300 enter into described storage tank 21, and make described nesting box 2 and workpiece 300 withdraw from blanketed zone away from described die cavity 204a simultaneously, thereby realize described workpiece 300 is arranged in an orderly manner, and be in outside blanketed zone the crawl that is conducive to manipulator, avoided manipulator to produce and interfere with seaming chuck 202 and material cave main body 201 in the crawl process, improved the crawl frequency of manipulator, when having guaranteed the work piece production quality, reduce behaviour's machine personnel's labour intensity, improved production efficiency.
Above disclosed is only preferred embodiments of the present invention, certainly can not limit with this interest field of the present invention, and the equivalent variations of therefore according to the present patent application the scope of the claims, doing, still belong to the scope that the present invention is contained.
Claims (9)
1. powder metallurgy press discharging mechanism, described powder metallurgy press comprises material cave main body, seaming chuck, push-down head and stripper, described stripper offers the die cavity of some perforation upper and lower surfaces, on described, push-down head is in respectively the both sides of described stripper and can in described die cavity, metal dust be compressed into workpiece, described material cave main body is arranged at the top of described stripper slidably, it is characterized in that: described powder metallurgy press discharging mechanism comprises front push piece, nesting box and some flexible members, described nesting box is slidably mounted on described stripper and front end is provided with the storage tank of opening, described flexible member one end and described nesting box are conflicted, and the other end and described stripper are conflicted, described front push piece is installed on a side of described material cave main body, and can move and promote described workpiece and enter in described storage tank with described material cave main body, and continues to promote to make described nesting box away from described die cavity.
2. powder metallurgy press discharging mechanism as claimed in claim 1, it is characterized in that: described powder metallurgy press discharging mechanism also comprises a pair of guide plate, described guide plate offers sliding tray and is fixed in the both sides of described stripper, and the both sides of the edge of described nesting box are installed in described sliding tray slidably.
3. powder metallurgy press discharging mechanism as claimed in claim 1, it is characterized in that: described powder metallurgy press discharging mechanism also comprises pair of push rods, described push rod is installed on a side of described material cave main body and lays respectively at the both sides of described front push piece, the length of described push rod and described front push piece equal in length, after the described workpiece of described front push piece promotion entered open slot fully, the top of described push rod and described nesting box were conflicted.
4. powder metallurgy press discharging mechanism as claimed in claim 3, it is characterized in that: described push rod is adjustment screw, described adjustment screw is connected with described material cave main body screw.
5. powder metallurgy press discharging mechanism as claimed in claim 1, it is characterized in that: the opening part of described storage tank is provided with guiding groove, and the outward opening of described guiding groove enlarges gradually.
6. powder metallurgy press discharging mechanism as claimed in claim 1, it is characterized in that: the other end of described storage tank is connected with the rear end of described nesting box.
7. powder metallurgy press discharging mechanism as claimed in claim 6, it is characterized in that: described powder metallurgy press discharging mechanism also comprises receiver, described receiver is installed on the below of described nesting box and over against the exit of the described storage tank other end.
8. powder metallurgy press discharging mechanism as claimed in claim 2, it is characterized in that: described powder metallurgy press discharging mechanism also comprises guidance set, described guidance set comprises spring base, guide post and guide holder, described spring base is fixed in an end of described nesting box, described guide holder and described guide plate are fixed, described guide post one end and described spring base are fixed, the other end is arranged on described guide holder slidably, described flexible member is socketed on described guide post and an end and the conflict of described spring base, and the other end and described guide holder are conflicted.
9. powder metallurgy press discharging mechanism as described in claim 1-7 any one, it is characterized in that: described flexible member is Compress Spring.
Priority Applications (1)
| 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 CN102699323A (en) | 2012-10-03 |
| CN102699323B true 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104827708A (en) * | 2015-05-18 | 2015-08-12 | 南通大西洋机械有限公司 | Discharging plate for hydraulic machine |
| 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 |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS596881B2 (en) * | 1977-09-12 | 1984-02-15 | 三菱マテリアル株式会社 | Automatic removal and movement device for powder molded products |
| JP3563556B2 (en) * | 1997-03-21 | 2004-09-08 | 日立粉末冶金株式会社 | Molded product unloading device in powder molding machine |
| JPH10277788A (en) * | 1997-04-11 | 1998-10-20 | Fuji Oozx Inc | Discharging and erecting device for green compact from compacting machine |
| JP2001113397A (en) * | 1999-10-18 | 2001-04-24 | Honda Motor Co Ltd | Method and device for carrying away/in green compact |
| US6649124B2 (en) * | 2000-07-17 | 2003-11-18 | Sumitomo Special Metals Co., Ltd. | Powder pressing apparatus and powder pressing method |
| CN202021341U (en) * | 2011-01-07 | 2011-11-02 | 苏光宝 | Discharging unit of powder molding machine |
| CN102274967B (en) * | 2011-08-19 | 2013-06-12 | 天津市天锻压力机有限公司 | Automatic blank pushing and material receiving device for powder hydraulic machine |
| CN202741735U (en) * | 2012-06-18 | 2013-02-20 | 郑振华 | Discharge device of powder metallurgy press |
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