CN102248705B - Multi-feeding compound powder forming mechanism for powder forming machine - Google Patents
Multi-feeding compound powder forming mechanism for powder forming machine Download PDFInfo
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- CN102248705B CN102248705B CN201110185564.3A CN201110185564A CN102248705B CN 102248705 B CN102248705 B CN 102248705B CN 201110185564 A CN201110185564 A CN 201110185564A CN 102248705 B CN102248705 B CN 102248705B
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Abstract
The invention relates to a multi-feeding compound powder forming mechanism for a powder forming machine. The multi-feeding compound powder forming mechanism is improved on the basis of a traditional multi-feeding compound powder forming machine which comprises a first feeding mechanism, a cavity block, a core rod and a first punching head. The multi-feeding compound powder forming machine further comprises a second feeding mechanism which comprises a second powder boot, a second powder barrel and a second driving mechanism for driving the second powder boot to reciprocate on a power conveying plate, wherein a punching head set which is matched with the second feeding mechanism is sleeved on the core rod; the punching head set is composed of a second punching head and an auxiliary punching head, both of which can move up and down; and the auxiliary punching head is located between the first punching head and the second punching head along the radial direction. With such a structure, the multi-feeding compound powder forming mechanism can be used for primarily forming a finished product of powder containing various components in one mould cavity and acquiring a product with a hardness difference after being sintered, thereby solving the problem that alloy powder is difficult to be processed in subsequent production, saving plenty of production cost for an enterprises, and being worthy of application in powder forming industry.
Description
Technical field
The present invention relates to a kind of powder forming machine, specifically refer in a kind of powder forming machine the many feedings composite powder shaping mechanism with a part of multiple different powder formings.
Background technology
Powder forming machine is a kind of equipment that the powder such as carbide alloy, high technology ceramics once is pressed into to goods.Because powder forming machine production efficiency is high, the goods precision after compacting is good, thereby current some traditional process equipments of replacing.But the goods of existing powder forming machine institute moulding form by the same powder compaction, accordingly, feed mechanism on powder forming machine only has a set of, it generally includes feeding arm, feeding pincers and is arranged on the upper material boots with feedhole of feeding pincers, as Chinese patent Granted publication number is a kind of feed mechanism CN201079955Y " Full-automatic feeding digital control mechanical arm " has just disclosed.During work, by the rotation of main frame main shaft, the feeding arm rotates and to swing with cam, and thereupon, the feeding pincers drive expects that boots move left and right and realize the purpose of powder feeding on former.
But what transmit due to above-mentioned feed mechanism is a kind of powder, therefore at product molding, after knot, the intensity of each several part is consistent.When need to there be higher-strength the part of a certain goods, existing powder forming machine can only process the goods that each several part has same rigidity, so not only for following process, make troubles, and the required powder of the goods of high rigidity requires just higher, powder price is also just very expensive, thereby has brought very large financial burden to manufacturing enterprise and user.
Summary of the invention
Technical problem to be solved by this invention, for the present situation of prior art, provides a kind of many feedings composite powder shaping mechanism of powder forming machine, and the goods of the powder forming function is suppressed have difference of hardness, easy to process and cost is low come.
The present invention solves the problems of the technologies described above adopted technical scheme: many feedings composite powder shaping mechanism of this powder forming machine includes the first feed mechanism, this first feed mechanism includes the first powder boots with charge door, the the first powder bucket be connected with the first powder boots and these the first powder boots of driving reciprocating first driving mechanism on the powder feeding plate, be provided with former under described powder feeding plate, be provided with plug and the first drift that is enclosed within energy oscilaltion on plug in the inner chamber of this former, it is characterized in that: also include the second feed mechanism, this second feed mechanism includes the second powder boots with charging aperture, the the second powder bucket be connected with the second powder boots and these the second powder boots of driving reciprocating second driving mechanism on the powder feeding plate, also overlap the drift group be complementary with this second feed mechanism is arranged on described plug, this drift group is comprised of the second drift and the auxiliary punch that can move up and down respectively again, and described auxiliary punch is radially between the first drift and the second drift.
In such scheme, on demand, the second feed mechanism can only arrange one, and now the drift group is also one.When part has specific (special) requirements, while needing to adopt two or more powder to suppress, described the second feed mechanism can have a plurality of, described drift group also has a plurality of, the plurality of drift group is enclosed within respectively on described the first drift, with hardness and the process requirements that meets different stampings successively from inside to outside.
In above-mentioned each scheme, described the second driving mechanism can be cylinder or hydraulic cylinder, and the piston rod of this cylinder or hydraulic cylinder is connected with the second powder boots.Certain the second driving mechanism also can adopt the structure identical with the first driving mechanism, or driving mechanism of the prior art, as long as meet the intermittent reciprocating motion on the powder feeding plate of the second powder boots.
As a further improvement on the present invention, described the second powder boots can also be provided with described the second powder boots are pressed on to the second Anti-powder-leakage mechanism on described powder feeding plate.This second Anti-powder-leakage mechanism can adopt following structure: it includes the second feeding arm that an end and described the second powder-feeding shoe are hinged, the other end of this second feeding arm and an end of the second swing arm are hinged, the other end of described the second swing arm is hinged on the body of powder forming machine, the middle part of described the second feeding arm is hinged with the second clamping arm that is positioned at the second feeding arm top, and described the second clamping arm is connected with the piston rod of the second compression cylinder.Also can adopt the structure of drawing, as above-mentioned the second clamping arm is placed on to the below of the second feeding arm, by a cylinder, the second feeding arm be pulled down, such scheme can realize the purpose of Anti-powder-leakage equally.
In above-mentioned improvement project, described the first driving mechanism can adopt the structure of cylinder or hydraulic cylinder, also can adopt following structure, include the first feeding arm, the end that an end is hinged on the first powder boots and be hinged on the first swing arm and the cam on the first feeding arm other end, the described first swing arm other end is hinged on the body of powder forming machine, the middle part of this first swing arm is equipped with roller, and the middle part of described the first swing arm simultaneously also is provided with the piston rod of pulling force cylinder and is hinged and described cam periphery and described roller are pressed mutually.
In like manner, described the first feeding arm is provided with described the first powder boots is pressed on to the first Anti-powder-leakage mechanism on described powder feeding plate.This first Anti-powder-leakage mechanism can include the first clamping arm that is positioned at the first feeding arm top, and the middle part of the lower end of this first clamping arm and the first feeding arm is hinged, and described the first clamping arm top is connected with the piston rod of the first compression cylinder.Also can adopt the structure of tension arm, the first clamping arm is placed on the below of the first feeding arm, by a tension cylinder, the first feeding arm is pulled down.
Compared with prior art, because the present invention has set up the second feed mechanism and associated drift group, thereby when compacting, by means of moving up and down successively of each drift, form corresponding die cavity in the inner chamber of former, different powder can sequentially be given corresponding die cavity powder feeding by feed mechanism separately, utilize auxiliary punch that the powder of different components is isolated in adjacent die cavity, after the powder of different components is filled it up with as required in die cavity separately, before upper punch presses down, by controlling the extraction of auxiliary punch, complete the compacting to products formed.And, along with the extraction of auxiliary punch, at the excessive layer of this position self-assembling formation one, thereby can meet well the requirement of different powder property transition.Obviously, the present invention can be in a die cavity one-shot forming go out to contain the formed products of the powder of multiple different components, make formed products obtain having the poor goods of different hardness after knot, be that the present invention is when meeting the generation performance, can use as required the relatively low basic unit's powder of part of price to replace the alloyed powder of part of price costliness, this replacement with composite formed article is the moulded products of alloyed powder entirely, both solved involutory bronze processing difficulties problem in subsequent production, a large amount of production costs have been saved for enterprise again simultaneously, therefore be worth applying in the powder compacting industry.
The accompanying drawing explanation
The structural representation that Fig. 1 is the embodiment of the present invention;
The plan structure schematic diagram that Fig. 2 is Fig. 1;
Fig. 3 is structural representation when in Fig. 1, the second powder boots fill powder;
Fig. 4 is after in Fig. 1, the second powder boots dress powder fills powder, structural representation during the first powder boots dress powder;
Fig. 5 is the structural representation of auxiliary punch after twitching downwards after the dress powder in Fig. 4;
The structural representation that Fig. 6 is the composite powder moulded products after embodiment of the present invention compacting.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
As depicted in figs. 1 and 2, many feedings composite powder shaping mechanism of this powder forming machine is two feeding composite powder shaping mechanisms, the powder that contains two kinds of compositions in goods after processing, be that base becomes powder a and alloyed powder b, this pair of feeding composite powder shaping mechanism includes the first feed mechanism 1 and the second feed mechanism 2, wherein, the first feed mechanism includes again the first powder boots 11 and drives these the first powder boots 11 reciprocating first driving mechanism 12 on powder feeding plate 3, the bottom of the first powder boots 11 has charge door in the present embodiment, the top of these the first powder boots is connected with the first powder bucket 14 that fills the powder a of basic unit by the first powder feeding pipe 13.The first driving mechanism 12 includes an end and is hinged on the cam 123 that the first feeding arm 121, an end on the first powder boots 11 are hinged on the first swing arm 122 on the first feeding arm other end and are subject to the main frame main shaft control rotation of powder forming machine, first swing arm 122 other ends are hinged on the body of powder forming machine, the middle part of this first swing arm also is equipped with the roller 124 pressed with the outer phase of cam 123, also be provided with pulling force cylinder 125 between swing arm and body, the middle part of the piston rod of this pulling force cylinder 125 and the first swing arm is hinged.By the action of pulling force cylinder 125, above-mentioned cam 123 peripheries are pressed mutually with roller 124.Leak the powder phenomenon in order to prevent from gap occurring between the first powder boots and powder feeding plate simultaneously, also be provided with the first Anti-powder-leakage mechanism 4 on above-mentioned the first feeding arm 121, at the present embodiment, this the first Anti-powder-leakage mechanism 4 comprises the first clamping arm 41 that the middle part of an end and the first feeding arm 121 is hinged, and 41 piston rods with the first compression cylinder 42 of this first clamping arm are connected.
Above-mentioned the second feed mechanism 2 includes the second powder boots 21 and drives these the second powder boots reciprocating second driving mechanism 22 on powder feeding plate 3, the bottom of these the second powder boots 21 has charging aperture equally, and the top of these the second powder boots is connected with the second powder bucket 24 that fills alloyed powder by the second powder feeding pipe 23.The second driving mechanism 22 is cylinder or hydraulic cylinder, and the piston rod of this cylinder or hydraulic cylinder is connected with the second powder boots 21, and both connected modes can be the connected structure of dove-tail form, can be also the spherical hinge connecting structure of bulb.In order to prevent that the second powder boots 21 from leaking powder on the powder feeding plate, be provided with equally the second Anti-powder-leakage mechanism 5 on the second powder boots 21, this the second Anti-powder-leakage mechanism 5 comprises the second feeding arm 51 that an end and the second powder-feeding shoe are hinged, one end of the other end of this second feeding arm 51 and the second swing arm 52 is hinged, the other end of the second swing arm 52 is hinged on the body of powder forming machine, the middle part of the second feeding arm and the second clamping arm 53 are hinged, and 53 piston rods with the second compression cylinder 54 of described the second clamping arm are connected and above-mentioned the second powder boots 21 are pressed on powder feeding plate 3.
Be provided with former 6 under above-mentioned powder feeding plate 3, be provided with plug 7 and be enclosed within from inside to outside successively the first drift 8 and the drift group 9 on plug 7 in the inner chamber of this former 6.Here, because the second feed mechanism is only one, the drift group also is only one group accordingly, this drift group is comprised of the second drift 91 and auxiliary punch 92, auxiliary punch is radially between the first drift 8 and the second drift 91, and the first drift, auxiliary punch and the second drift can move up and down respectively under the effect of the drive source such as cylinder or hydraulic cylinder separately, after the first drift moves to the filling position with respect to auxiliary punch, form the first die cavity between plug and auxiliary punch; After auxiliary punch moves to the filling position, form the second die cavity when the second drift between former and auxiliary punch.
The first powder-feeding shoe and the second powder-feeding shoe are to send powder separately sequentially in corresponding die cavity on demand, and their powder feeding order and powder feeding time difference all can realize by angular encoder and cam after the control computer in powder forming machine is processed.
During work, the home position that the first powder-feeding shoe is parked on the powder feeding plate is motionless, and the second drift is motionless, and the first drift, auxiliary punch move upward to the filling position together with plug, surrounds described the second die cavity between the second drift, former and auxiliary punch.Simultaneously, the second powder boots move right the center of the second die cavity under the effect of cylinder or hydraulic cylinder on the powder feeding plate, insert alloyed powder by the through hole on the powder feeding plate in the second die cavity, as shown in Figure 3.After alloyed powder fills up, the second powder boots fall back on home position to left movement under the effect of cylinder or hydraulic cylinder on the powder feeding plate.Subsequently, the first powder boots are under the effect of cam rotation and pulling force cylinder, by the first swing arm and the first feeding arm on delivery sheet, move left to die cavity above, at this moment, former, the second drift, auxiliary punch and plug continue motionless, and the first drift moves down, thereby the basic unit's powder in the first powder boots is drawn in the first die cavity surrounded by plug, auxiliary punch and the first drift, at this moment, auxiliary punch is isolated alloyed powder and basic unit's powder, refers to Fig. 4.Then, the first powder boots return to home position completing after adding powder to move right.Then auxiliary punch moves downward extraction, refers to Fig. 5, and in the process of twitching downwards in auxiliary punch, alloyed powder and basic unit's powder can interpenetrate naturally in die cavity, the space stayed to fill auxiliary punch, thus form transition zone c at this position.After this, above be punched in die cavity composite powder is compressing, as shown in Figure 6, this composite article is ejected die cavity to the composite stamped products after moulding under the effect of the second drift, auxiliary punch, the first drift.Then the second powder boots move right a side of when being added powder, composite stamped products being pushed to the powder feeding plate again, when the first powder boots add forward basic unit's powder by the time, composite stamped products are released to the powder feeding plate.
Although more than described the preferred embodiments of the present invention in detail, but should be expressly understood that, for a person skilled in the art, the present invention can have various modifications and variations, for example, while needing, the drift group that a plurality of second feed mechanisms such as three or four can be set and match with it, the stampings that form to suppress the various powders such as three kinds or four kinds.In the above-described embodiments, the drift group can be enclosed within on the plug that is positioned at the first drift; Also can be enclosed within outside the first drift.Perhaps first, second Anti-powder-leakage mechanism can adopt the structure of the tension arm that is positioned at first, second feeding arm below.Perhaps the first drives structure and the second drives structure can adopt identical type of drive.Perhaps the first material feeding shoe can send alloyed powder, and the second material feeding shoe send basic unit's powder, as long as make each material feeding shoe successively move powder feeding.Therefore all any modifications of doing within the spirit and principles in the present invention, be equal to replacement, improvement etc., within protection scope of the present invention all should be included in.
Claims (8)
1. many feedings composite powder shaping mechanism of a powder forming machine, include the first feed mechanism (1), this first feed mechanism (1) includes the first powder boots (11) with charge door, the the first powder bucket (14) be connected with the first powder boots (11) and these the first powder boots of driving are at upper reciprocating the first driving mechanism (12) of powder feeding plate (3), be provided with former (6) under described powder feeding plate (3), be provided with plug (7) in the inner chamber of this former (6) and be enclosed within on plug can oscilaltion the first drift (8), it is characterized in that: also include the second feed mechanism (2), this second feed mechanism (2) includes the second powder boots (21) with charging aperture, the the second powder bucket (24) be connected with the second powder boots (21) and these the second powder boots of driving reciprocating second driving mechanism (22) on the powder feeding plate, also overlap the drift group (9) be complementary with this second feed mechanism is arranged on described plug (7), this drift group is comprised of second drift (91) that can move up and down respectively and auxiliary punch (92) again, and described auxiliary punch (92) radially is positioned between the first drift (8) and the second drift (91).
2. many feedings of powder forming machine according to claim 1 composite powder shaping mechanism, it is characterized in that: described the second feed mechanism (2) has a plurality of, described drift group (9) also has a plurality ofly, and the plurality of drift group (9) is enclosed within on described the first drift (8) respectively successively from inside to outside.
3. many feedings of powder forming machine according to claim 1 and 2 composite powder shaping mechanism, it is characterized in that: described the second driving mechanism (22) is cylinder or hydraulic cylinder, and the piston rod of this cylinder or hydraulic cylinder is connected with the second powder boots (21).
4. many feedings of powder forming machine according to claim 3 composite powder shaping mechanism, it is characterized in that: described the second powder boots (21) are provided with described the second powder boots are pressed on to the second Anti-powder-leakage mechanism (5) on described powder feeding plate.
5. many feedings of powder forming machine according to claim 4 composite powder shaping mechanism, it is characterized in that: described the second Anti-powder-leakage mechanism (5) includes the second feeding arm (51) that an end and described the second powder-feeding shoe (21) are hinged, one end of the other end of this second feeding arm (51) and the second swing arm (52) is hinged, the other end of described the second swing arm (52) is hinged on the body of powder forming machine, the middle part of described the second feeding arm (52) is hinged with the second clamping arm (53) that is positioned at the second feeding arm top, described the second clamping arm (53) is connected with the piston rod of the second compression cylinder (54).
6. many feedings of powder forming machine according to claim 4 composite powder shaping mechanism, it is characterized in that: described the first driving mechanism (12) includes an end and is hinged on the first feeding arm (121) on the first powder boots (11), one end is hinged on the first swing arm (122) and the cam (123) on the first feeding arm other end, described the first swing arm (122) other end is hinged on the body of powder forming machine, the middle part of this first swing arm (122) is equipped with roller (124), the middle part of described the first swing arm simultaneously (122) also is provided with the piston rod of pulling force cylinder (125) and is hinged and described cam (123) periphery and described roller (124) are pressed mutually.
7. many feedings of powder forming machine according to claim 6 composite powder shaping mechanism, it is characterized in that: described the first feeding arm (121) is provided with described the first powder boots (11) is pressed on to the first Anti-powder-leakage mechanism (4) on described powder feeding plate.
8. many feedings of powder forming machine according to claim 7 composite powder shaping mechanism, it is characterized in that: described the first Anti-powder-leakage mechanism (4) includes the first clamping arm (41) that is positioned at the first feeding arm (121) top, the middle part of the lower end of this first clamping arm (41) and the first feeding arm (121) is hinged, and described the first clamping arm (41) top is connected with the piston rod of the first compression cylinder (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110185564.3A CN102248705B (en) | 2011-07-01 | 2011-07-01 | Multi-feeding compound powder forming mechanism for powder forming machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110185564.3A CN102248705B (en) | 2011-07-01 | 2011-07-01 | Multi-feeding compound powder forming mechanism for powder forming machine |
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| CN102248705A CN102248705A (en) | 2011-11-23 |
| CN102248705B true CN102248705B (en) | 2014-01-01 |
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| CN201110185564.3A Expired - Fee Related CN102248705B (en) | 2011-07-01 | 2011-07-01 | Multi-feeding compound powder forming mechanism for powder forming machine |
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| CN103273679B (en) * | 2013-06-14 | 2015-04-15 | 东莞市宏祥机械设备有限公司 | Liquid powder forming machine |
| CN112549623B (en) * | 2020-10-22 | 2022-07-15 | 中钢新型材料股份有限公司 | Two-group powder continuous forming production line for single crystal furnace production and method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN87208324U (en) * | 1987-05-20 | 1987-12-26 | 上海合金材料总厂 | Loading and unloading device for powder moulding press |
| DE3919821C2 (en) * | 1989-06-15 | 1994-04-07 | Mannesmann Ag | Method and device for producing dimensionally stable compacts |
| DE4209767C1 (en) * | 1992-03-23 | 1993-05-06 | Mannesmann Ag, 4000 Duesseldorf, De | |
| JP2005246463A (en) * | 2004-03-08 | 2005-09-15 | Mitsubishi Materials Techno Corp | Mechanism for charging powder in powder forming apparatus |
| CN201102318Y (en) * | 2007-08-30 | 2008-08-20 | 郑州金海威科技实业有限公司 | Movable hidden mode volumetric automatic cold press |
| CN201380593Y (en) * | 2009-04-28 | 2010-01-13 | 郑州金海威科技实业有限公司 | Novel servo fixed-volume automatic cold press with hydraulic ejection stripping device |
| CN202163041U (en) * | 2011-07-01 | 2012-03-14 | 宁波市北仑新港冶金机械有限公司 | Multi-feeding composite powder forming mechanism of powder forming machine |
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Granted publication date: 20140101 Termination date: 20190701 |