CN100551683C - Punching device for powder clamming machine - Google Patents
Punching device for powder clamming machine Download PDFInfo
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- CN100551683C CN100551683C CNB2006100285904A CN200610028590A CN100551683C CN 100551683 C CN100551683 C CN 100551683C CN B2006100285904 A CNB2006100285904 A CN B2006100285904A CN 200610028590 A CN200610028590 A CN 200610028590A CN 100551683 C CN100551683 C CN 100551683C
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- rotary table
- powder
- lower rotary
- machine
- clamming
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Abstract
The invention provides a kind of punching device for powder clamming machine, belong to field of mechanical technique.It has solved prior art, and to exist operating efficiency not high, the machine construction complicated problems.This punching device for powder clamming machine is arranged at the table top place of fine powder press molding machine; it comprises and is positioned at the table top top and the staking punch that can slide up and down; described table top is provided with top rotary table and the lower rotary table that is provided with one heart up and down; described top rotary table and lower rotary table are fixed in the rotating shaft of passing table top; the lower end of rotating shaft links to each other with an actuating unit; offer on the described top rotary table and corresponding several material holes, staking punch position, be provided with the hull and pulp removing machine structure corresponding to the material hole site between described top rotary table and the lower rotary table.The fine powder press molding machine high efficiency, easy and simple to handle of this decompressor is housed, and its applicability is wider simultaneously.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of fine powder press molding machine, particularly punching device for powder clamming machine.
Background technology
At present, the packing ring in some valve is to adopt powder compaction.Powder pressing is realized by fine powder press molding machine.
Traditional fine powder press molding machine is with powder pressing, is a program in the powder metallurgy continuous process.Though it also can suppress employed packing ring in the valve, it is a kind of large-scale machine, and complex structure, its machine itself await to improve.A kind of " powder die casting machine " that for example China Patent No. 01231180.4 provides, it comprises a bent axle that is connected with power section, the bottom of bent axle is provided with ram, the bottom of last ram is provided with the upper punch that is used for the punching press powder, bottom corresponding to upper punch is provided with middle mould, just can will place the powder die-casting in the mould to be shaped in the mould in upper punch presses to.Simultaneously the side at bent axle also is provided with one second cam, when need the workpiece that die casting is good withdrawing from, presses down and just can realize moving back mould by the tringle that moves back that is connected with second cam.
As can be seen, this machine can withdraw from the workpiece that die casting is good after finishing die casting work easily.But the every die casting when the die casting workpiece of above-mentioned powder die casting machine once all will add a powder to middle mould place, and its operating efficiency is lower, and automaticity is not high.Simultaneously, in this powder die casting machine to move back mold mechanism too complicated, machine cost is higher, safeguards also difficulty.
Summary of the invention
The objective of the invention is at existing in prior technology the problems referred to above, a kind of fine powder press molding machine high efficiency, punching device for powder clamming machine easy and simple to handle of making is provided.
Purpose of the present invention can realize by following technical proposal: a kind of punching device for powder clamming machine; be arranged at the table top place of fine powder press molding machine; it comprises and is positioned at the table top top and the staking punch that can slide up and down; it is characterized in that; described table top is provided with top rotary table and the lower rotary table that is provided with one heart up and down; described top rotary table and lower rotary table are fixed in the rotating shaft of passing table top; the lower end of rotating shaft links to each other with an actuating unit; offer on the described top rotary table and corresponding several material holes, staking punch position, be provided with the hull and pulp removing machine structure corresponding to the material hole site between described top rotary table and the lower rotary table.
The fine powder press molding machine that this decompressor is housed is when work, and the staking punch that is positioned at table top top slides down to the powder pressing that back, material hole just will be positioned at the material hole.To expect that by the hull and pulp removing machine structure workpiece of press forming ejects in the hole then.
Because the hull and pulp removing machine structure is arranged between top rotary table and the lower rotary table, upper and lower rotating disk is connected with rotating shaft again simultaneously.Therefore, actuating unit drives in the rotating shaft rotating process upper and lower rotating disk also along with turning an angle.That is to say that the staking punch punching press is suppressed thereby realization is continuous after the upper and lower dial rotation in different material holes.
In above-mentioned punching device for powder clamming machine; described hull and pulp removing machine structure comprises and takes off the material body; the described upper end of taking off the material body has take off stub bar and this that are complementary with the material hole and takes off stub bar and be positioned at the material hole; the lower end of taking off the material body is provided with guide post; guide post is positioned at lower rotary table and its lower end and stretches out lower rotary table and contact with post rod mechanism; described taking off on the material body is with spring, and the two ends of spring act on top rotary table respectively and take off on the material body.
Workpiece is ejected from the material hole by this hull and pulp removing machine structure realization.Take off when moving on the post rod mechanism roof pressure guide post material body along with on move, make the stub bar that takes off be arranged in the material hole stretch discharge opening.Obviously, in this process, take off stub bar just will be positioned at the material hole the workpiece of press forming eject.Certainly, the workpiece of last press forming body in the form of sheets.
When post rod mechanism not during the roof pressure guide post, under the effect of spring, take off the material body and move down, and make the stub bar that takes off that takes off the material body return to original position.
In above-mentioned punching device for powder clamming machine, described hull and pulp removing machine structure comprises that also one is arranged in and takes off material and expect the core rod that hole dimension is little in the body, and lower end and the lower rotary table of core rod are connected, and the upper port that the upper end of core rod is positioned at the material hole hits exactly.Can suppress the workpiece of circle shape by such structure.
In above-mentioned punching device for powder clamming machine; described post rod mechanism comprises the push rod of vertical setting and the fork and the cam of horizontally set; one end of the lower end of push rod and fork is hinged; the upper end of push rod is between table top and lower rotary table; the other end of fork can contact with cam and the middle part of fork take with table top in; sheathed back-moving spring on the described push rod, the two ends of back-moving spring act on respectively on table top inboard and the push rod.Make to take off to move by this mechanism on the material body and realize.Can contact with the end of fork in the cam rotation process, thereby make fork around the swing of the lap-joint in it and the table top.Push rod hinged with it in the fork swing process moves up and down.Just promote after moving on the push rod to move on the guide post, expect that by taking off the workpiece that body will be shaped ejects from the material hole.
When cam did not contact with fork, this moment, the effect lower push rod at back-moving spring moved down, and made push rod return to original position.
In above-mentioned punching device for powder clamming machine, described material hole and hull and pulp removing machine structure are four, and they are distributed on top rotary table and lower rotary table place.The quantity of material hole and hull and pulp removing machine structure can be according to the actual conditions setting, draws according to inventor's test and is provided with four for best.
In above-mentioned punching device for powder clamming machine, be provided with plane bearing between described lower rotary table and the table top, plane bearing is set in the rotating shaft between lower rotary table and the table top.Plane bearing can be played a supporting role to rotating disk, can guarantee that guide post and push rod have enough spaces between lower rotary table and table top.
In above-mentioned punching device for powder clamming machine, the position corresponding to staking punch on the described table top is provided with support, is connected with the roller that rolls along upper and lower dial rotation direction on the support, end in contact under roller and the lower rotary table.During staking punch compacting workpiece rotating disk there is bigger stamping press, makes lower rotary table be supported, thereby guarantee that rotating disk can not influence the fine powder press molding machine operate as normal because of a side is stressed greatly by such structure.Simultaneously, lower rotary table contacts with roller on the support when rotating, and makes like this and can also freely rotate when lower rotary table is supported.
In above-mentioned punching device for powder clamming machine, described lower rotary table is provided with at least two adjusting screw(rod)s that run through lower rotary table, be connected by screw thread between adjusting screw(rod) and the lower rotary table, but the upper end roof pressure of adjusting screw(rod) is in taking off on the material body.The turn adjusting screw(rod) can make its upper end stretch out lower rotary table, that is to say, the adjustable in length that the control and regulation screw rod stretches out lower rotary table is taken off the material body and is in position in the material hole.Obviously, just regulated behind the turn adjusting screw(rod) and taken off stub bar and be in the position of material in the hole, can suppress the workpiece of various different-thickness by such structure.
In above-mentioned punching device for powder clamming machine, described guide post is two.
Compare with technology is arranged now, after this punching device for powder clamming machine was suppressed workpiece by staking punch, the hull and pulp removing machine structure can eject the workpiece that suppresses.Simultaneously, actuating unit drives rotating disk and intermittently rotates, and can suppress workpiece continuously.Therefore, the fine powder press molding machine high efficiency of this decompressor is housed, easy and simple to handle.
Simultaneously, the turn adjusting screw(rod) can be regulated the position of taking off the material body, that is to say, can process the workpiece of various different-thickness by the turn adjusting screw(rod).Certainly, in taking off the material body, core rod is set and suppresses the round workpiece.Therefore, the workpiece variation of adopting the fine powder press molding machine of this decompressor to process, applicability is wider.
Description of drawings
Fig. 1 is the contour structures schematic diagram of this punching device for powder clamming machine.
Fig. 2 is the cross-sectional view of this punching device for powder clamming machine.
Fig. 3 is the plan structure schematic diagram of top rotary table in this fine powder press molding machine.
Among the figure, 1, staking punch; 2, table top; 3, top rotary table; 3a, material hole; 4, lower rotary table; 5, rotating shaft; 6, take off the material body; 6a, take off stub bar; 6b, guide post; 7, spring; 8, push rod; 9, fork; 10, cam; 11, back-moving spring; 12, plane bearing; 13, support; 14, roller; 15, adjusting screw(rod); 16, core rod.
The specific embodiment
As depicted in figs. 1 and 2, this punching device for powder clamming machine is arranged on table top 2 places of fine powder press molding machine.
This punching device for powder clamming machine comprises the staking punch 1 that is positioned on the table top 2, and staking punch 1 can slide up and down.
If when material hole 3a more than four and hull and pulp removing machine structure were set, the part of decompressor increased, cost is also corresponding to be increased; In addition, will change the hull and pulp removing machine structure when needs are processed different workpiece, too much its replacing time of hull and pulp removing machine structure is longer; Certainly, material hole 3a quantity too much also can weaken the intensity of upper and lower rotating disk 3,4.But material hole 3a and hull and pulp removing machine structure are provided with and very fewly can influence working (machining) efficiency again, and frequent make single hull and pulp removing machine structure in running order and influence its service life.Therefore, four material hole 3a and hull and pulp removing machine structure are set for best, promptly upper and lower rotating disk 3,4 is along with moving 90 degree of rotating shaft 5 revolutions, and staking punch 1 presses down stamped workpieces one time.
The hull and pulp removing machine structure comprises that is taken off a material body 6, and the upper end of taking off material body 6 is for taking off stub bar 6a, and the size of taking off stub bar 6a is complementary with material hole 3a, takes off stub bar 6a and is positioned at material hole 3a.The lower end of taking off material body 6 is provided with guide post 6b, and guide post 6b is positioned at the lower end that lower rotary table 4 is stretched out in lower rotary table 4 and its lower end.In the present embodiment, the quantity of guide post 6b is two.Take off and expect to be with spring 7 on the body 6, the two ends of spring 7 act on top rotary table 3 respectively and take off on the material body 6.
As shown in Figure 2, in table top 2, be provided with a post rod mechanism, it comprises the push rod 8 of vertical setting and the fork 9 and the cam 10 of horizontally set, one end of the lower end of push rod 8 and fork 9 is hinged, the upper end of push rod 8 is between table top 2 and lower rotary table 4, the other end of fork 9 can contact with cam 10 and the middle part of fork 9 take with table top 2 in, sheathed back-moving spring 11 on the described push rod 8, the two ends of back-moving spring 11 act on respectively on table top 2 inboards and the push rod 8.The lower end of above-mentioned guide post 6b and the last end in contact of push rod 8.Certainly, the cam 10 in this post rod mechanism is to be connected in the rotating shaft of motor, rotates by driven by motor cam 10.
Represent that as Fig. 1 and Fig. 2 the fine powder press molding machine that this decompressor is housed is when work, actuating unit drives by rotating shaft 5 and stops operating after upper and lower rotating disk 3,4 rotates 90 degree, and staking punch 1 presses to the powder pressing that will expect in the material hole 3a in the 3a of hole.At this moment, cam 10 contacts with fork 9, and promotes fork 9 and swing with the lap-joint in the table top 2 around it, makes to move on the push rod 8.On the push rod that moves 8 promote to move on the guide post 6b, the whole material body 6 that takes off is being followed and is being moved, and by taking off stub bar 6a and will expect that the workpiece that has suppressed in the 3a of hole ejects on it.
After workpiece came off from material hole 3a, cam 10 did not contact with fork 9, and this moment, push rod 9 was moved down by the elastic force of back-moving spring 11.Take off the material body and moved down by the elastic force of spring 76 this moments, make that taking off stub bar 6a returns to original position.Actuating unit continues to drive by rotating shaft 5 and stops operating after upper and lower rotating disk 3,4 rotates 90 degree then, thus repeat said process continuous process workpiece.
Because guide post 6b and push rod 8 will have certain space to slide up and down between lower rotary table 4 and table top 2.For this reason, between lower rotary table 4 and table top 2 plane bearing 12 is set and can reaches this purpose, plane bearing 12 is set in the rotating shaft 5 between lower rotary table 4 and the table top 2.
During in addition, owing to staking punch 1 compacting workpiece upper and lower rotating disk 3,4 there is very big stamping press.In order to guarantee that upper and lower rotating disk 3,4 can not influence operate as normal because of being subjected to this stamping press, position corresponding to staking punch 1 on table top 2 is provided with support 13, connecting a roller 14 on this support 13, the rotating direction of roller 14 is consistent with the rotation direction of upper and lower rotating disk 3,4, and roller 14 and 4 times end in contact of lower rotary table.As can be seen, make upper and lower rotating disk 3,4 guarantee also when freely rotating that upper and lower rotating disk 3,4 can not damage greatly because of a side is stressed by such structure.
In order to produce the workpiece of different-thickness, two adjusting screw(rod)s 15 are set on lower rotary table 4 realize.Adjusting screw(rod) 15 is screwed onto on the lower rotary table 4, and the lower end of adjusting screw(rod) 15 stretches out lower rotary table 4 lower ends, its upper end can with take off material body 6 and contact.The adjusting screw(rod) 15 of turn lower rotary table 4 bottoms makes adjusting screw(rod) 15 stretch out lower rotary table 4 upper end certain-lengths, thereby roof pressure takes off material body 6 the stub bar 6a that takes off that is positioned at material hole 3a is moved up and down.Certainly, take off the workpiece that just can suppress various different-thickness when stub bar 6a is in positions different up and down in the material hole 3a.
As can be seen, the above-mentioned workpiece that decompressor suppressed is a sheet.Expect that when taking off in the body 6 core rod 16 being set just can suppress the round workpiece.Particularly, core rod 16 is located in and takes off in the material body 6, and the size of core rod 16 expects that hole 3a is little, and the lower end of core rod 16 and lower rotary table 4 are connected, and the upper port that the upper end of core rod 16 is positioned at material hole 3a hits exactly.
Claims (8)
1; a kind of punching device for powder clamming machine; the table top (2) that is arranged at fine powder press molding machine is located; it comprises and is positioned at table top (2) top and the staking punch that can slide up and down (1); it is characterized in that; described table top (2) is provided with top rotary table (3) and the lower rotary table (4) that is provided with one heart up and down; described top rotary table (3) and lower rotary table (4) are fixed in the rotating shaft (5) of passing table top (2); the lower end of rotating shaft (5) links to each other with an actuating unit; offer on the described top rotary table (3) and corresponding several material holes (3a), staking punch (1) position; be provided with the hull and pulp removing machine structure corresponding to material position, hole (3a) between described top rotary table (3) and the lower rotary table (4); described hull and pulp removing machine structure comprises taking off expects body (6); the described upper end of taking off material body (6) has take off stub bar (6a) and this that are complementary with material hole (3a) and takes off stub bar (6a) and be positioned at material hole (3a); the lower end of taking off material body (6) is provided with guide post (6b); guide post (6b) is positioned at lower rotary table (4) and its lower end and stretches out lower rotary table (4) and contact with post rod mechanism; described taking off on the material body (6) is with spring (7), and the two ends of spring (7) act on top rotary table (3) respectively and take off on the material body (6).
2, punching device for powder clamming machine according to claim 1; it is characterized in that; described hull and pulp removing machine structure comprises that also one is arranged in to take off and expects the core rod (16) that hole (3a) size is little in material body (6); the lower end of core rod (16) and lower rotary table (4) are connected, and the upper end of core rod (16) is positioned at the upper port center in material hole (3a).
3; punching device for powder clamming machine according to claim 2; it is characterized in that; described post rod mechanism comprises the push rod (8) of vertical setting and the fork (9) and the cam (10) of horizontally set; one end of the lower end of push rod (8) and fork (9) is hinged; the upper end of push rod (8) is positioned between table top (2) and the lower rotary table (4); the other end of fork (9) can contact with cam (10) and the middle part of fork (9) take with table top (2) in; described push rod (8) is gone up sheathed back-moving spring (11), and the two ends of back-moving spring (11) act on respectively on table top (2) inboard and the push rod (8).
According to claim 1 or 2 or 3 described punching device for powder clamming machine, it is characterized in that 4, described material hole (3a) and hull and pulp removing machine structure are four, they are distributed on top rotary table (3) and lower rotary table (4) is located.
5, according to claim 1 or 2 or 3 described punching device for powder clamming machine; it is characterized in that; be provided with plane bearing (12) between described lower rotary table (4) and the table top (2), plane bearing (12) is set in the rotating shaft (5) between lower rotary table (4) and the table top (2).
6, according to claim 1 or 2 or 3 described punching device for powder clamming machine; it is characterized in that; the position that described table top (2) is gone up corresponding to staking punch (1) is provided with support (13); be connected with the roller (14) that rolls along upper and lower rotating disk (3,4) rotation direction on the support (13), roller (14) and lower rotary table (4) be end in contact down.
7, punching device for powder clamming machine according to claim 1; it is characterized in that; described lower rotary table (4) is provided with at least two adjusting screw(rod)s (15) that run through lower rotary table (4); be connected by screw thread between adjusting screw(rod) (15) and the lower rotary table (4), adjusting screw(rod) (15) but the upper end roof pressure in taking off on the material body (6).
8, punching device for powder clamming machine according to claim 1 is characterized in that, described guide post (6b) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100285904A CN100551683C (en) | 2006-07-03 | 2006-07-03 | Punching device for powder clamming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100285904A CN100551683C (en) | 2006-07-03 | 2006-07-03 | Punching device for powder clamming machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1876358A CN1876358A (en) | 2006-12-13 |
| CN100551683C true CN100551683C (en) | 2009-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100285904A Expired - Fee Related CN100551683C (en) | 2006-07-03 | 2006-07-03 | Punching device for powder clamming machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100551683C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102172731A (en) * | 2011-01-04 | 2011-09-07 | 无锡市金杨新型电源有限公司 | Automatic discharging device for punching machine |
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2006
- 2006-07-03 CN CNB2006100285904A patent/CN100551683C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1876358A (en) | 2006-12-13 |
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Granted publication date: 20091021 Termination date: 20120703 |