CN201109194Y - Guiding mechanism for counter-die of powder molding press - Google Patents
Guiding mechanism for counter-die of powder molding press Download PDFInfo
- Publication number
- CN201109194Y CN201109194Y CNU2007201919663U CN200720191966U CN201109194Y CN 201109194 Y CN201109194 Y CN 201109194Y CN U2007201919663 U CNU2007201919663 U CN U2007201919663U CN 200720191966 U CN200720191966 U CN 200720191966U CN 201109194 Y CN201109194 Y CN 201109194Y
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- CN
- China
- Prior art keywords
- counterdie
- adjusting rod
- adjusting
- control agent
- press molding
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- Expired - Lifetime
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Abstract
The utility model provides a lower die adjusting mechanism of a powder press molding machine, which belongs to the field of mechanical technology. The utility model solves the problems of bad stability, complicated adjustment, etc. of the lower die of the existing powder press molding machine. The lower die adjusting mechanism of a powder press molding is arranged between the lower part of a lower die and a die seat, the lower die is sheathed on a die core, and the lower part of the lower die is provided with an ejection block. The adjusting mechanism comprises an adjusting body, an adjusting screw cap and an adjusting rod, the adjusting body is positioned at the lower part of the ejection block and sheathed on the die core, the outer side of the adjusting body is provided with a protruded shoulder, the adjusting screw cap is buckled on the protruded shoulder of the adjusting body, the lower part of the adjusting screw cap is threaded and coupled with the die seat, the adjusting rod penetrates through the adjusting body and the ejection block, a spring is arranged between the adjusting rod and the die seat, and the upper end of the adjusting rod extends out of the ejection block to contact the lower die under the function of the elasticity. The lower die adjusting mechanism of a powder press molding machine has the advantages of convenient operation, high stability, long service life and wide applicability.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of securing member, particularly a kind of stop nut.
Background technology
Its manufacturing process of workpiece that adopts the die casting of polytetrafluorethylepowder powder raw material to form is simple, manufacturing cost is lower.Therefore, fine powder press molding machine is extensive use of in machining.Usually, fine powder press molding machine comprises a mould and is positioned at the staking punch on mould top that staking punch presses down can be with the powder stock compression moulding at mould place.
The part that is used in existing a kind of fine powder press molding machine powder stock is shaped mainly comprises core rod and the tubular counterdie that is shaft-like.Have a material hole on the mould of fine powder press molding machine, the upper end of core rod is positioned at the center in material hole and concordant with the upper port in material hole, and lower die-sleeve is on core rod, and counterdie also is positioned at material hole place and it is lower than the upper port in material hole.As can be seen, after powder stock added in the plup inlet, the part between core rod and material hole hole wall will be gathered powder stock, and staking punch just presses down and its punch forming can be that is to say to stamp out the workpiece that is round.After treating the workpiece punch forming, thereby the workpiece that moves on the counterdie moulding ejects.
In order to process the workpiece of different-thickness, on mould, also be provided with an adjusting device, can regulate core bar cover top by this adjusting device and be in the upper-lower position of expecting in the hole, thereby reach the purpose of the workpiece of processing different-thickness.Existing adjusting device is at least two screws in the mould, and screw passes its top of mould seat and is resisted against core bar and puts, and the bottom of screw is positioned at the bottom of mould seat.
As can be seen, when needing adjusting core bar cover to be in the upper-lower position of expecting in the hole, the turn screw gets final product.That is to say that move the back on the screw and just can extrude core bar and put and move, screw moves down back core bar cover also along with moving down, and regulates the purpose that core bar overlaps the position in the mould thereby reach.
But, in adjustment process, to regulate two screws respectively, operation seems loaded down with trivial details.In addition, when the bigger workpiece of processing dimension, the pressure of staking punch just needs corresponding bigger, and when stamped workpieces, bigger stamping press might make the thread damage of screw.Influence fine powder press molding machine and normally use, make that the stability in use of fine powder press molding machine is not high.
Summary of the invention
The purpose of this utility model is at existing in prior technology the problems referred to above, and the guiding mechanism of counterdie in good, the easy to adjust fine powder press molding machine of a kind of stability in use is provided.
The purpose of this utility model can realize by following technical proposal: the guiding mechanism of counterdie in a kind of fine powder press molding machine; be arranged between the bottom and mould seat of counterdie; lower die-sleeve is on core rod; the bottom of counterdie also has an angled slide block; it is characterized in that; described guiding mechanism comprises control agent; regulate nut and adjusting rod; control agent is positioned at the angled slide block bottom and control agent is placed on the above-mentioned core rod; the control agent outside has the convex shoulder of protrusion; above-mentioned adjusting nut is buckled on the convex shoulder of control agent; regulate the bottom of nut and above-mentioned mould seat thread connection; described adjusting rod runs through control agent and angled slide block and be provided with spring between adjusting rod and mould seat, stretches out angled slide block in the upper end of the elastic force effect lower dolly bar of spring and contacts with above-mentioned counterdie.
Can regulate the initial position of counterdie by this guiding mechanism, that is to say, can process the workpiece of different-thickness by this guiding mechanism.
Particularly, because core rod and counterdie all are arranged in the material hole of mould, and the top of core rod is concordant with material hole upper port, and the top of counterdie is lower than material hole upper port, and the powder stock of sending into send and can enter in core rod, the formed annular cavity of counterdie and material hole.Staking punch presses down just can be with the powder stock punch forming.
When needing the workpiece of processing different-thickness, rotation adjusting nut just can drive control agent and move up and down with respect to the mould seat.After control agent moved down, adjusting rod was along with moving down, and counterdie also along with moving down, can process thicker workpiece under the gravity effect; On the contrary, after moving on the control agent, adjusting rod extrudes counterdie and makes and move on the counterdie, can process thin workpiece.
Staking punch presses down in the process, and counterdie can be subjected to stamping press.In the folding process, the elastic force that at first can overcome spring makes in the adjusting rod retraction angled slide block counterdie under the pressure effect of staking punch, then dip mold again the roof pressure angled slide block angled slide block is moved down, the counterdie that together moves down, angled slide block be the roof pressure control agent again.Obviously, counterdie can play cushioning effect to the counterdie that moves down fast through above-mentioned several steps in folding process.
In the guiding mechanism of counterdie, described mould seat is provided with the pilot hole that is complementary with adjusting rod in above-mentioned fine powder press molding machine, and the lower end of above-mentioned adjusting rod is positioned at pilot hole.Under the effect of pilot hole, adjusting rod can move up and down along pilot hole.
In above-mentioned fine powder press molding machine in the guiding mechanism of counterdie; described adjusting rod middle part has the shoulder block of protrusion; above-mentioned spring is placed in the bottom of adjusting rod and the two ends of spring act on respectively on adjustment seat and the shoulder block, and shoulder block is resisted against the control agent bottom under the elastic force effect of spring.
As can be seen, next directes reach and leans against the control agent bottom because shoulder block is in the elastic force effect of spring, makes the upper end of adjusting rod stretch out angled slide block like this.That is to say that above-mentioned counterdie is the upper end that is resisted against control agent.
In the guiding mechanism of counterdie, described adjusting rod is the 2-4 root in above-mentioned fine powder press molding machine.
Compared with prior art, the guiding mechanism of counterdie only need rotate and regulate the initial position that nut just can be adjusted counterdie in this fine powder press molding machine, and therefore, the operation of this guiding mechanism is more convenient.
Simultaneously, when staking punch pressed down, counterdie was understood roof pressure adjusting rod, angled slide block and control agent successively in the following quick folding process in this stamping press, certainly, also will overcome the elastic force of spring during the roof pressure draft control lever.Therefore, such structure makes and is subjected to cushioning effect in the counterdie folding process.Obviously, it is stressed less to regulate nut and mould seat junction, and the screw thread at this place is not fragile, makes fine powder press molding machine stability in use height, service life longer.
Therefore in addition,, have the workpiece that the fine powder press molding machine of the guiding mechanism of this counterdie can process larger sized, make that its applicability is wider because counterdie can bear bigger stamping press under cushioning effect.
Description of drawings
Accompanying drawing is the cross-sectional view of the guiding mechanism of counterdie in this fine powder press molding machine.
Among the figure, 1, the material hole; 2, mould seat; 2a, pilot hole; 3, core rod; 4, counterdie; 5, control agent; 5a, convex shoulder; 6, regulate nut; 7, adjusting rod; 7a, shoulder block; 8, angled slide block; 9, spring; 10, staking punch.
The specific embodiment
As shown in the figure, have a material hole 1 on the workbench of fine powder press molding machine, the bottom in material hole 1 is provided with mould seat 2, is provided with core rod 3 and counterdie 4 in material hole 1.Core rod 3 is round bar shape, and counterdie 4 is cylindric, and the top of core rod 3 is in expects that hole 1 hits exactly and it is concordant with the upper port in material hole 1.Counterdie 4 is enclosed within on the core rod 3, and the top of counterdie 4 is lower than the upper port in material hole 1, and the external diameter of counterdie 4 is complementary with the aperture of expecting hole 1.
The guiding mechanism of counterdie just is provided with between the bottom and mould seat 2 of counterdie 4 in this fine powder press molding machine, and it comprises control agent 5, regulates nut 6 and adjusting rod 7 etc.
The bottom of counterdie 4 has an angled slide block that is connected with power set 8, and angled slide block 8 is moved up and down.
The quantity of adjusting rod 7 is two, and these two adjusting rods 7 all run through control agent 5 and angled slide block 8.The shoulder block 7a that has protrusion on the adjusting rod 7 also is provided with spring 9 between adjusting rod 7 and mould seat 2, spring 9 is enclosed within on the adjusting rod 7 and the two ends of spring 9 act on respectively on mould seat 2 and the shoulder block 7a.Shoulder block 7a at the elastic force effect lower dolly bar 7 of spring 9 tightly is resisted against control agent 5 bottoms, and the upper end of adjusting rod 7 is stretched out angled slide block 8 and contacted with the bottom of counterdie 4.In the present embodiment, be provided with pilot hole 2a on mould seat 2, the diameter of the aperture of pilot hole 2a and adjusting rod 7 is complementary, and the lower end of adjusting rod 7 is positioned at pilot hole 2a place.
When needing the workpiece of processing different-thickness, turn is regulated nut 6 and is got final product.Just can drive control agent 5 after adjusting nut 6 moves and move, owing to adjusting rod 7 is connected on the control agent 5, so adjusting rod 7 also can be along with moving.Simultaneously, because counterdie 4 is resisted against adjusting rod 7 tops all the time, after adjusting rod 7 moved down, counterdie 4 also can so just change the distance of counterdie 4 tops with material 1 upper port place, hole along with moving down, thereby can process the workpiece of different-thickness.
Staking punch 10 presses down, just can be with the powder stock punch forming in the material hole 1.Counterdie 4 can be subjected to the downward stamping press of staking punch 10 in punching course, at first can overcome spring 9 elastic force during counterdie 4 moves down fast adjusting rod 7 is pressed down, and makes in the adjusting rod 7 withdrawal angled slide blocks 8.Counterdie 4 presses down angled slide block 8 more then, and counterdie 4 together presses down adjusting rod 7 in the folding process again with angled slide block 8.That is to say, can press down adjusting rod 7, angled slide block 8, control agent 5 successively in counterdie 4 folding processes, it also will overcome the elastic force of spring 9 in this process simultaneously.Therefore, such structure plays cushioning effect to counterdie 4.Make that the threaded portion of regulating nut 6 is stressed less, not fragile.
Claims (4)
1; the guiding mechanism of counterdie in a kind of fine powder press molding machine; be arranged between the bottom and mould seat (2) of counterdie (4); counterdie (4) is enclosed within on the core rod (3); the bottom of counterdie (4) also has an angled slide block (8); it is characterized in that; described guiding mechanism comprises control agent (5); regulate nut (6) and adjusting rod (7); control agent (5) is positioned at angled slide block (8) bottom and control agent (5) is placed on the above-mentioned core rod (3); control agent (5) outside has the convex shoulder (5a) of protrusion; above-mentioned adjusting nut (6) is buckled on the convex shoulder (5a) of control agent (5); regulate the bottom of nut (6) and above-mentioned mould seat (2) thread connection; described adjusting rod (7) runs through control agent (5) and angled slide block (8) and be provided with spring (9) between adjusting rod (7) and mould seat (2), stretches out angled slide block (8) in the upper end of the elastic force effect lower dolly bar (7) of spring (9) and contacts with above-mentioned counterdie (4).
2, the guiding mechanism of counterdie in the fine powder press molding machine according to claim 1 is characterized in that, described mould seat (2) is provided with the pilot hole (2a) that is complementary with adjusting rod (7), and the lower end of above-mentioned adjusting rod (7) is positioned at pilot hole (2a).
3, the guiding mechanism of counterdie in the fine powder press molding machine according to claim 1 and 2; it is characterized in that; described adjusting rod (7) middle part has the shoulder block (7a) of protrusion; above-mentioned spring (9) is placed in the bottom of adjusting rod (7) and the two ends of spring (9) act on respectively on adjustment seat and the shoulder block (7a), and shoulder block (7a) is resisted against control agent (5) bottom under the elastic force effect of spring (9).
4, the guiding mechanism of counterdie in the fine powder press molding machine according to claim 3 is characterized in that, described adjusting rod (7) is the 2-4 root.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201919663U CN201109194Y (en) | 2007-11-02 | 2007-11-02 | Guiding mechanism for counter-die of powder molding press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201919663U CN201109194Y (en) | 2007-11-02 | 2007-11-02 | Guiding mechanism for counter-die of powder molding press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201109194Y true CN201109194Y (en) | 2008-09-03 |
Family
ID=39893714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201919663U Expired - Lifetime CN201109194Y (en) | 2007-11-02 | 2007-11-02 | Guiding mechanism for counter-die of powder molding press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201109194Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101168300B (en) * | 2007-11-02 | 2011-05-18 | 苏光宝 | Adjusting mechanism for lower mould of powder press moulding machine |
| CN104841710A (en) * | 2014-09-12 | 2015-08-19 | 无锡市威特机械有限公司 | Under-mold-frame support adjusting apparatus |
-
2007
- 2007-11-02 CN CNU2007201919663U patent/CN201109194Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101168300B (en) * | 2007-11-02 | 2011-05-18 | 苏光宝 | Adjusting mechanism for lower mould of powder press moulding machine |
| CN104841710A (en) * | 2014-09-12 | 2015-08-19 | 无锡市威特机械有限公司 | Under-mold-frame support adjusting apparatus |
| CN104841710B (en) * | 2014-09-12 | 2017-08-25 | 无锡市威特机械有限公司 | Supporting and regulating device under a kind of mould bases |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20080903 Effective date of abandoning: 20071102 |