CN103085311A - Stroke positioning device for powder forming hydraulic press - Google Patents
Stroke positioning device for powder forming hydraulic press Download PDFInfo
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- CN103085311A CN103085311A CN201110341916XA CN201110341916A CN103085311A CN 103085311 A CN103085311 A CN 103085311A CN 201110341916X A CN201110341916X A CN 201110341916XA CN 201110341916 A CN201110341916 A CN 201110341916A CN 103085311 A CN103085311 A CN 103085311A
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- adjusting nut
- hydraulic press
- limited block
- positioning device
- piston rod
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Abstract
The invention discloses a stroke positioning device for a powder forming hydraulic press. The stroke positioning device is arranged at the end of a piston rod of a hydraulic cylinder of the hydraulic press, corresponding adjusting nuts are limited by at least one group of limit blocks and height difference formed by more than two adjusting nuts which are sleeved layer by layer, so that different strokes of a piston of the hydraulic cylinder of the hydraulic press can be positioned for multiple times, and the requirements of multilayer products pressed by various powder are met. In addition, positioning distances can be steplessly adjusted within a certain range by adjusting the distance between the adjusting nuts.
Description
Technical field
The present invention relates to hydraulic press, more particularly, relate to a kind of stroke positioning device of powder forming hydraulic press.
Background technology
Publication number is that the patent of invention of CN1371802A discloses a kind of hydraulic press for powder formation, this hydraulic press has been set up the range positioner that is made of spacing adjusting nut and lock nut on up and down hydraulic cylinder and drift, carry out spacing and regulate in order to the stroke to piston stroke and drift, to improve dimensional accuracy and the density of powder compaction product.But, because above-mentioned range positioner all only has an accurate locating effect, only can control single stroke, can not carry out several times the location of different strokes, to such an extent as to fettered the scope of application of hydraulic press, production that particularly can not high-efficiency high-quality is by the multi-layered product of various powders compacting.
Summary of the invention
Above-mentioned shortcoming for existing in prior art the purpose of this invention is to provide a kind of stroke positioning device of powder forming hydraulic press, can carry out several times accurate location and the stroke distances of different strokes and regulate, and has enlarged the production range of hydraulic press.
For achieving the above object, the present invention adopts following technical scheme:
This stroke positioning device of powder forming hydraulic press, be located at the end of hydraulic press hydraulic cylinder piston rod, comprise more than two and the adjusting nut of layer overlaps, at least one group are used for the spacing limited block of adjusting nut, in order to drive the driving mechanism of the flexible translation of limited block, be threaded connection between adjusting nut, the innermost layer adjusting nut is located on piston rod by thread bush, and each adjusting nut all is furnished with a locking nut; Limited block is divided into the piston rod sidepiece, and is connected with corresponding driving mechanism.
The adjusting nut of described different layers equal in length or do not wait.
Described innermost layer locking nut is located on piston rod by thread bush, and all the other locking nuts are sheathed on respectively on the adjusting nut of corresponding internal layer by screw thread.
The group number of described limited block lacks one than adjusting nut quantity, spacing in order to all the other adjusting nuts except the innermost layer adjusting nut.
The height of described every pair of limited block is consistent, and is symmetrically set in the both sides of piston rod, and the height of the limited block that difference is right is consistent or different.
Described driving mechanism is cylinder, and the piston rod of cylinder is connected with limited block.
Described each adjusting nut also is furnished with a governor motion.
In technique scheme, stroke positioning device of powder forming hydraulic press of the present invention is located at the end of hydraulic press hydraulic cylinder piston rod, by the formed difference in height of plural adjusting nut layer overlaps, and carry out spacing by the limited block of at least one group to corresponding adjusting nut, thereby can carry out several times the location of different strokes to the piston of hydraulic press hydraulic cylinder, to satisfy the demand of the multi-layered product that adopts the various powders compacting.In addition, also can by the roll adjustment of adjusting nut, make orientation distance carry out in certain scope stepless adjustable.
Description of drawings
Fig. 1 is the structure chart (be located at lower cylinder upper end) of the first embodiment of the present invention;
Fig. 2, Fig. 3 are respectively the compacting state diagrams of twice different stroke of the first embodiment;
Fig. 4 is the structure chart (be located at upper cylinder half upper end) of the second embodiment of the present invention;
Fig. 5, Fig. 6 are respectively the compacting state diagrams of twice different stroke of the second embodiment;
Fig. 7, Fig. 8, Fig. 9 are respectively the structure charts (be located at lower cylinder bottom) of the 3rd embodiment;
Figure 10 is the top view (triple-travel location) of the fourth embodiment of the present invention;
Figure 11 is the cutaway view along Y-Y line in Figure 10;
Figure 12 is the structure chart (be located at side compression machine upper cylinder half upper end) of the fifth embodiment of the present invention.
The specific embodiment
Further illustrate technical scheme of the present invention below in conjunction with drawings and Examples.
See also shown in Figure 1, stroke positioning device of powder forming hydraulic press 10 of the present invention is located at the end of the piston rod 1a that the hydraulic press hydraulic cylinder stretches out, comprise more than two and the adjusting nut 11 (in Fig. 1 being two) of layer overlaps, at least one group are used for the spacing limited block 12 of adjusting nut 11 (Fig. 1 is one group, every group is a pair of limited block 12, and certain every group also can be plural limited block 12), in order to drive the driving mechanism 13 of the flexible translations of limited block 12.Wherein, be threaded connection between adjusting nut 11, and innermost layer adjusting nut 11 is located on piston rod 1 by thread bush, by screw thread rotation, adjusting nut 11 can be realized lifting, to adjust stroke-limit, and each adjusting nut 11 all is furnished with a locking nut 14, innermost layer locking nut 14 is located on piston rod 1a by thread bush, and all the other locking nuts 14 are sheathed on respectively by screw thread on the adjusting nut 11 of corresponding internal layer, in order to the adjusting nut 11 after fixed adjustment; Limited block 12 is divided into piston rod 1a sidepiece, and is connected with corresponding driving mechanism 13.The group number of described limited block 12 lacks one than adjusting nut 11 quantity, spacing in order to all the other adjusting nuts 11 except innermost layer adjusting nut 11.For example, when adjusting nut 11 was two, limited block 12 was one group, was used for the spacing of outside adjusting nut 11, if when adjusting nut 11 is three, limited block 12 is two groups, was respectively used to adjusting nut 11 spacing in middle part and the outside, by that analogy.The height of described every pair of limited block 12 is consistent, and is symmetrically set in the both sides of piston rod 1a, and the height of different right limited blocks 12 can be for consistent or different, and the adjusting nut 11 of different layers equal in length or do not wait.If equate, can obtain difference in height between adjusting nut 11 by 11 liftings of threaded adjustment adjusting nut, certainly, the length of the height of limited block 12 and adjusting nut 11 is all better not to be all mutually, specifically can design according to the actual requirements and conversion.Described driving mechanism 13 is cylinder, and piston rod and the limited block 12 of cylinder is connected to a fixed.Certainly, this driving mechanism 13 also can be the expansion link of hydraulic cylinder, Electric Machine Control, the structures such as screw mandrel of manually controlling.Described each adjusting nut 11 also can be furnished with a governor motion (not shown), and this governor motion is for realizing driving the similar structures such as turbine and worm that adjusting nut 11 is rotated.Need to prove at this, during use, the piston rod 1a other end of this hydraulic press hydraulic cylinder can adopt the positioner 2 of original single stroke limit, can certainly adopt the positioner 10 of two above stroke limits of the present invention.
Embodiment 1
please in conjunction with Fig. 1～shown in Figure 3, the trip positioner 10 is piston rod 1a upper ends of being located at hydraulic cylinder under hydraulic press, the quantity of its adjusting nut 11 is two, limited block 12 is a pair of, consist of the spacing form of two-stage stroke, when upper hydraulic cylinder drive upper punch 4 presses down, limited block 12 is driven by driving mechanism 13 and stretches out, under lower hydraulic cylinder, contracting makes the bottom end face of outer adjusting nut 11 and the upper end confined planes of limited block 12 offset, realize that short stroke is spacing, suppress (the position location of completing for a kind of powder 5 compactings of 4 pairs of upper punch shown in Fig. 2, shown in figure, 7 is the low punch of lower hydraulic cylinder), when lifting on upper hydraulic cylinder drive upper punch 4, limited block 12 is driven by driving mechanism 13 and retracts, and the bottom end face and the lower hydraulic cylinder body upper end that are reduced to internal layer adjusting nut 11 by lower hydraulic cylinder under further offset, realize long stroke limit, this moment, die 3 also moved down thereupon, thereby be conducive to realize the accurate location (position location of completing for the demoulding shown in Fig. 3 is the stampings that are pressed into to a kind of powder 5) of the demoulding.
please in conjunction with Fig. 4～shown in Figure 6, be that with the difference of embodiment 1 the trip positioner is the piston rod 1b upper end of being located at hydraulic cylinder on hydraulic press, be used for twice compacting of two kinds of different powder, namely when limited block 12 stretches out, when upper hydraulic cylinder drives upper punch 4 and presses to outer adjusting nut 11 and offset with limited block 12, realize a kind of precompressed compacting (Fig. 5 is the position location that precompressed is completed) of a short stroke of powder 5, then go up on hydraulic cylinder drive upper punch 4 and lift, after limited block 12 is retracted, add in die 3 the second powder 5 ', again press down until the cylinder upper end face of internal layer adjusting nut 11 bottom end faces and upper hydraulic cylinder offsets, realize two vice-minister's stroke compactings of two kinds of powder, with two kinds of powder well (as shown in Figure 6) compressed together, realized the variation of product.
Please in conjunction with Fig. 7～shown in Figure 9, different from embodiment 1, embodiment 2 is, the trip positioner is the piston rod 1a bottom of being located at hydraulic cylinder under hydraulic press, same charging position by twice different stroke is controlled, can add respectively two kinds of different powder to die 3 is interior, drive upper punch 4 by upper hydraulic cylinder again and press down, to realize the compacting of two kinds of different powder.
Please in conjunction with shown in Figure 10～11, different from above-described embodiment is, the trip positioner comprises it being the adjusting nut 11 of three layer overlaps, two pairs of limited blocks 12 (being crossing distribution) can be realized three grades of stroke limits, wherein, higher limited block 12 is used for spacing to outermost layer adjusting nut 11, shorter limited block 12 is used for spacing to intermediate layer adjusting nut 11, thereby realizes from outside to inside stroke limit step by step from short to long.
Certainly, range positioner 10 of the present invention is spacing by multistage different strokes, can realize adding different number of times, different types of powder, carry out multiple-prepressing and the last final pressure of different strokes, accurate location when playing simultaneously each time compacting and the demoulding, except being applied to powder hydraulic press, yet be applicable to other similar applications such as side compression machine:
Please in conjunction with shown in Figure 12, different from above-described embodiment is, the trip positioner 10 is exactly the upper end of piston rod 1 of being located at the upper hydraulic cylinder of side compression machine, can add three kinds of powder to suppress by the precompressed secondary, certainly, the trip positioner 10 also can be located at the piston rod 1 of the sidepiece hydraulic cylinder of side compression machine ' on, with location and the adjustment that realizes the different parts hydraulic cylinder.
Those of ordinary skill in the art will be appreciated that, above embodiment illustrates the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of the above embodiment.
Claims (7)
1. stroke positioning device of powder forming hydraulic press is located at the end of hydraulic press hydraulic cylinder piston rod, it is characterized in that:
Described range positioner comprises more than two and the adjusting nut of layer overlaps, at least one group are used for the spacing limited block of adjusting nut, in order to drive the driving mechanism of the flexible translation of limited block, be threaded connection between adjusting nut, the innermost layer adjusting nut is located on piston rod by thread bush, and each adjusting nut all is furnished with a locking nut; Limited block is divided into the piston rod sidepiece, and is connected with corresponding driving mechanism.
2. stroke positioning device of powder forming hydraulic press as claimed in claim 1, is characterized in that,
The adjusting nut of described different layers equal in length or do not wait.
3. stroke positioning device of powder forming hydraulic press as claimed in claim 1 is characterized in that:
Described innermost layer locking nut is located on piston rod by thread bush, and all the other locking nuts are sheathed on respectively on the adjusting nut of corresponding internal layer by screw thread.
4. stroke positioning device of powder forming hydraulic press as claimed in claim 1 is characterized in that:
The group number of described limited block lacks one than adjusting nut quantity, spacing in order to all the other adjusting nuts except the innermost layer adjusting nut.
5. stroke positioning device of powder forming hydraulic press as claimed in claim 4 is characterized in that:
The height of described every pair of limited block is consistent, and is symmetrically set in the both sides of piston rod, and the height of the limited block that difference is right is consistent or different.
6. stroke positioning device of powder forming hydraulic press as claimed in claim 1 is characterized in that:
Described driving mechanism is cylinder, and the piston rod of cylinder is connected with limited block.
7. stroke positioning device of powder forming hydraulic press as claimed in claim 1 is characterized in that:
Described each adjusting nut also is furnished with a governor motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110341916.XA CN103085311B (en) | 2011-11-02 | 2011-11-02 | Stroke positioning device of powder forming hydraulic press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110341916.XA CN103085311B (en) | 2011-11-02 | 2011-11-02 | Stroke positioning device of powder forming hydraulic press |
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| CN103085311A true CN103085311A (en) | 2013-05-08 |
| CN103085311B CN103085311B (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110341916.XA Active CN103085311B (en) | 2011-11-02 | 2011-11-02 | Stroke positioning device of powder forming hydraulic press |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487305A (en) * | 2013-10-10 | 2014-01-01 | 辽宁同辉科技发展有限公司 | Coke reactivity and post-reaction intensity detection sample preparation apparatus and sample preparation method |
| CN104354216A (en) * | 2014-10-20 | 2015-02-18 | 青岛国森机械有限公司 | Pre-pressure oil cylinder positioning device used in fast-growing wood recombined bamboo-wood forming equipment |
| CN109773182A (en) * | 2019-03-19 | 2019-05-21 | 南通中液液压机有限公司 | Multi-step multilayer dry product full-automatic molding hydraulic press |
| CN112207238A (en) * | 2020-10-14 | 2021-01-12 | 惠州市惠恒五金制品有限公司 | Medical instrument part rapid prototyping mould |
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| CN1371802A (en) * | 2001-02-28 | 2002-10-02 | 朱锦忠 | Hydraulic press for powder formation |
| CN2644052Y (en) * | 2003-09-02 | 2004-09-29 | 海安县鹰球集团有限公司 | Machine for compacting formation of metallic powder |
| JP2005224805A (en) * | 2004-02-10 | 2005-08-25 | Sumitomo Denko Shoketsu Gokin Kk | Apparatus and method for compacting powder |
| JP2007083250A (en) * | 2005-09-20 | 2007-04-05 | Sumitomo Denko Shoketsu Gokin Kk | Powder compacting method and powder compacting device |
| CN201165058Y (en) * | 2007-12-10 | 2008-12-17 | 南通国谊锻压机床厂 | Powder applying and female die step products forming apparatus powder press |
| CN201816233U (en) * | 2010-08-12 | 2011-05-04 | 湖州机床厂有限公司 | Forming device on powder press |
| CN202319042U (en) * | 2011-11-02 | 2012-07-11 | 朱锦忠 | Stroke positioning device of powder forming hydraulic press |
-
2011
- 2011-11-02 CN CN201110341916.XA patent/CN103085311B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1371802A (en) * | 2001-02-28 | 2002-10-02 | 朱锦忠 | Hydraulic press for powder formation |
| CN2644052Y (en) * | 2003-09-02 | 2004-09-29 | 海安县鹰球集团有限公司 | Machine for compacting formation of metallic powder |
| JP2005224805A (en) * | 2004-02-10 | 2005-08-25 | Sumitomo Denko Shoketsu Gokin Kk | Apparatus and method for compacting powder |
| JP2007083250A (en) * | 2005-09-20 | 2007-04-05 | Sumitomo Denko Shoketsu Gokin Kk | Powder compacting method and powder compacting device |
| CN201165058Y (en) * | 2007-12-10 | 2008-12-17 | 南通国谊锻压机床厂 | Powder applying and female die step products forming apparatus powder press |
| CN201816233U (en) * | 2010-08-12 | 2011-05-04 | 湖州机床厂有限公司 | Forming device on powder press |
| CN202319042U (en) * | 2011-11-02 | 2012-07-11 | 朱锦忠 | Stroke positioning device of powder forming hydraulic press |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487305A (en) * | 2013-10-10 | 2014-01-01 | 辽宁同辉科技发展有限公司 | Coke reactivity and post-reaction intensity detection sample preparation apparatus and sample preparation method |
| CN103487305B (en) * | 2013-10-10 | 2015-12-02 | 辽宁同辉科技发展有限公司 | The equipment of a kind of coke reactivity and post-reaction strength test samples and preparation method |
| CN104354216A (en) * | 2014-10-20 | 2015-02-18 | 青岛国森机械有限公司 | Pre-pressure oil cylinder positioning device used in fast-growing wood recombined bamboo-wood forming equipment |
| CN109773182A (en) * | 2019-03-19 | 2019-05-21 | 南通中液液压机有限公司 | Multi-step multilayer dry product full-automatic molding hydraulic press |
| CN109773182B (en) * | 2019-03-19 | 2023-12-29 | 南通中液液压机有限公司 | Full-automatic forming hydraulic press for multi-step multilayer dry powder products |
| CN112207238A (en) * | 2020-10-14 | 2021-01-12 | 惠州市惠恒五金制品有限公司 | Medical instrument part rapid prototyping mould |
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| Publication number | Publication date |
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| CN103085311B (en) | 2015-09-30 |
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