CN103085311B - Stroke positioning device of powder forming hydraulic press - Google Patents
Stroke positioning device of powder forming hydraulic press Download PDFInfo
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- CN103085311B CN103085311B CN201110341916.XA CN201110341916A CN103085311B CN 103085311 B CN103085311 B CN 103085311B CN 201110341916 A CN201110341916 A CN 201110341916A CN 103085311 B CN103085311 B CN 103085311B
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- adjusting nut
- hydraulic press
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- positioning device
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Abstract
The invention discloses a kind of stroke positioning device of powder forming hydraulic press, be located at the end of hydraulic press hydraulic cylinder piston rod, by the difference in height that plural adjusting nut layer overlaps is formed, and carry out spacing by the limited block of at least one group to corresponding adjusting nut, thus the location of different stroke can be carried out several times to the piston of hydraulic press hydraulic cylinder, with the demand of the multi-layered product of satisfied employing various powders compacting.In addition, also by the roll adjustment of adjusting nut, orientation distance is carried out in certain scope stepless adjustable.
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 CN 1371802A discloses a kind of hydraulic press for powder formation, the range positioner be made up of spacing adjusting nut and lock nut set up by this hydraulic press on upper and lower hydraulic cylinder and drift, in order to carry out the stroke of piston stroke and drift spacing and to regulate, 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, the location of different stroke can not be carried out several times, to such an extent as to fettered the scope of application of hydraulic press, particularly can not the multi-layered product suppressed by various powders of the production of high-efficiency high-quality.
Summary of the invention
For the above-mentioned shortcoming existed in prior art, the object of this invention is to provide a kind of stroke positioning device of powder forming hydraulic press, accurate location and the stroke distances that can carry out different stroke several times regulate, and expand 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 two or more and the adjusting nut of layer overlaps, at least one group for the spacing limited block of adjusting nut, in order to drive limited block to stretch the driving mechanism of translation, be threaded connection between adjusting nut, innermost layer adjusting nut is located on piston rod by thread bush, and each adjusting nut is all furnished with a locking nut; Limited block is divided into piston rod sidepiece, and is connected with corresponding driving mechanism.
The length of the adjusting nut of described different layers is equal or not etc.
Described innermost layer locking nut is located on piston rod by thread bush, and all the other locking nuts are sheathed on the adjusting nut of corresponding internal layer respectively by screw thread.
The group number of described limited block than few one of adjusting nut quantity, spacing in order to all the other adjusting nuts except innermost layer adjusting nut.
The height of often pair of described limited block is consistent, and is symmetrically set in the both sides of piston rod, and the height of different right limited block is consistent or different.
Described driving mechanism is cylinder, and the piston rod of cylinder is connected with limited block.
Described each adjusting nut is also 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 difference in height that plural adjusting nut layer overlaps is formed, and carry out spacing by the limited block of at least one group to corresponding adjusting nut, thus the location of different stroke can be carried out several times to the piston of hydraulic press hydraulic cylinder, with the demand of the multi-layered product of satisfied employing various powders compacting.In addition, also by the roll adjustment of adjusting nut, orientation distance is carried out in certain scope stepless adjustable.
Accompanying drawing explanation
Fig. 1 is the structure chart (being located at lower cylinder upper end) of the first embodiment of the present invention;
Fig. 2, Fig. 3 are the compacting state diagram of twice different stroke of the first embodiment respectively;
Fig. 4 is the structure chart (being located at upper cylinder half upper end) of the second embodiment of the present invention;
Fig. 5, Fig. 6 are the compacting state diagram of twice different stroke of the second embodiment respectively;
Fig. 7, Fig. 8, Fig. 9 are the structure chart (being located at lower cylinder bottom) of the 3rd embodiment respectively;
Figure 10 is the top view (triple-travel location) of the fourth embodiment of the present invention;
Figure 11 is the sectional view along Y-Y line in Figure 10;
Figure 12 is the structure chart (being located at side compression machine upper cylinder half upper end) of the fifth embodiment of the present invention.
Detailed description of the invention
Technical scheme of the present invention is further illustrated below in conjunction with drawings and Examples.
Refer to shown in Fig. 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 hydraulic press hydraulic cylinder stretches out, comprise two or more and the adjusting nut 11 (in Fig. 1 being two) of layer overlaps, at least one group be used for the spacing limited block 12 of adjusting nut 11 and (in Fig. 1, be one group, often group is a pair limited block 12, and certainly often organizing also can for plural limited block 12), in order to drive limited block 12 to stretch the driving mechanism 13 of translation.Wherein, be threaded connection between adjusting nut 11, and innermost layer adjusting nut 11 is located on piston rod 1a by thread bush, by screw thread rotation, adjusting nut 11 can realize lifting, to adjust stroke-limit, and each adjusting nut 11 is all 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 the adjusting nut 11 of corresponding internal layer by screw thread respectively, 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 than few one of adjusting nut 11 quantity, spacing in order to all the other adjusting nuts 11 except innermost layer adjusting nut 11.Such as, when adjusting nut 11 is two, limited block 12 is one group, spacing for outside adjusting nut 11, if when adjusting nut 11 is three, limited block 12 is two groups, is respectively used to the spacing of the adjusting nut 11 in middle part and outside, by that analogy.The height of described often 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 block 12 can be consistent or different, and the length of the adjusting nut 11 of different layers is not equal or not etc.If equal, be elevated the difference in height obtained between adjusting nut 11 by threaded adjustment adjusting nut 11, certainly, the height of limited block 12 and the length of adjusting nut 11 are all better not to be all mutually, specifically can carry out designing and converting according to the actual requirements.Described driving mechanism 13 is cylinder, the piston rod of cylinder and limited block 12 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 the screw mandrel of Non-follow control.Described each adjusting nut 11 also can be furnished with a governor motion (not shown), and this governor motion is can realize driving adjusting nut 11 to carry out the similar structures such as the turbine and worm rotated.It should be noted that at this, during use, the piston rod 1a other end of this hydraulic press hydraulic cylinder then can adopt the positioner 2 of original single stroke limit, can certainly adopt the positioner 10 of two or more stroke limit of the present invention.
Embodiment 1
Shown in Fig. 1 ~ Fig. 3, the trip positioner 10 is provided at the piston rod 1a upper end of hydraulic cylinder under hydraulic press, the quantity of its adjusting nut 11 is two, limited block 12 is a pair, form the form that two-stage stroke is spacing, when upper hydraulic cylinder drives upper punch 4 to press 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 short stroke spacing, carry out suppressing (the position location of having suppressed a kind of powder 5 for upper punch 4 shown in Fig. 2, shown in figure, 7 is the low punch of lower hydraulic cylinder), when upper hydraulic cylinder drive upper punch 4 is lifted, limited block 12 drives retraction by driving mechanism 13, and by lower hydraulic cylinder further under be reduced to the bottom end face of internal layer adjusting nut 11 and lower hydraulic cylinder body upper end offsets, realize Long travel spacing, now die 3 also moves down thereupon, thus be conducive to realizing the accurate location (position location completed for the demoulding shown in Fig. 3 is pressed into stampings to a kind of powder 5) of the demoulding.
Embodiment 2
Shown in Fig. 4 ~ Fig. 6, be that the trip positioner is provided at the piston rod 1b upper end of hydraulic cylinder on hydraulic press with the difference of embodiment 1, for twice compacting of two kinds of different powder, namely when limited block 12 stretches out, upper hydraulic cylinder drives upper punch 4 to press to outer adjusting nut 11 when offseting with limited block 12, realize a kind of precompressed compacting (Fig. 5 is the position location that precompressed completes) 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, the second powder 5 ' is added in die 3, again carry out pressing down until the cylinder upper end face of internal layer adjusting nut 11 bottom end face and upper hydraulic cylinder offsets, realize the secondary Long travel compacting of two kinds of powder, by two kinds of powder well (as shown in Figure 6) compressed together, achieve the variation of product.
Embodiment 3
Shown in Fig. 7 ~ Fig. 9, with embodiment 1, embodiment 2 unlike, the trip positioner is provided at the piston rod 1a bottom of hydraulic cylinder under hydraulic press, controlled by the charging position of twice different stroke equally, can to adding two kinds of different powder in die 3 respectively, upper punch 4 is driven to press down, to realize the compacting of two kinds of different powder by upper hydraulic cylinder again.
Embodiment 4
Shown in Figure 10 ~ 11, with above-described embodiment unlike, it is the adjusting nut 11 of three layer overlaps that the trip positioner comprises, two pairs of limited blocks 12 (in crossing distribution), can realize three grades of stroke limits, wherein, spacing for outermost layer adjusting nut 11 of higher limited block 12, spacing for intermediate layer adjusting nut 11 of shorter limited block 12, thus realize from outside to inside, stroke limit step by step from short to long.
Certainly, range positioner 10 of the present invention passes through the spacing of multistage different stroke, can realize adding different number of times, different types of powder, carry out the multiple-prepressing of different stroke and last final pressure, play accurate location when each compacting and the demoulding simultaneously, except can powder hydraulic press be applied to, be yet applicable to other similar applications such as side compression machine:
Embodiment 5
Shown in Figure 12, with above-described embodiment unlike, the trip positioner 10 is just provided at the upper end of the piston rod 1 of the upper hydraulic cylinder of side compression machine, three kinds of powder are added to suppress by precompressed secondary, certainly, the trip positioner 10 also can be located on the piston rod 1 ' of sidepiece hydraulic cylinder of side compression machine, to realize location and the adjustment of different parts hydraulic cylinder.
Those of ordinary skill in the art will be appreciated that, above embodiment is only used to the present invention is described, and be not used as limitation of the invention, as long as in spirit of the present invention, all will drop in Claims scope of the present invention the change of the above embodiment, modification.
Claims (7)
1. a stroke positioning device of powder forming hydraulic press, be located at the end of hydraulic press hydraulic cylinder piston rod, it is characterized in that:
Described range positioner comprises two or more and the adjusting nut of layer overlaps, at least one group for the spacing limited block of adjusting nut, in order to drive limited block to stretch the driving mechanism of translation, be threaded connection between adjusting nut, innermost layer adjusting nut is located on piston rod by thread bush, and each adjusting nut is all furnished with a locking nut; Limited block is divided into 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 length of the adjusting nut of different layers is equal or not etc.
3. stroke positioning device of powder forming hydraulic press as claimed in claim 1, is characterized in that:
Innermost layer locking nut is located on piston rod by thread bush, and all the other locking nuts are sheathed on the adjusting nut of corresponding internal layer respectively by screw thread.
4. stroke positioning device of powder forming hydraulic press as claimed in claim 1, is characterized in that:
Fewer than the quantity of adjusting nut one of the group number of described limited block, spacing in order to all the other adjusting nuts except innermost layer adjusting nut.
5. stroke positioning device of powder forming hydraulic press as claimed in claim 4, is characterized in that:
The described height often organizing limited block is consistent, and is symmetrically set in the both sides of piston rod, and the height of the limited block of different group 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 is also 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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| Publication Number | Publication Date |
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| CN103085311A CN103085311A (en) | 2013-05-08 |
| CN103085311B true CN103085311B (en) | 2015-09-30 |
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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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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 |
| CN116417233A (en) * | 2022-12-13 | 2023-07-11 | 瑞声光电科技(常州)有限公司 | Magnetic powder forming device and magnetic powder forming method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1147395C (en) * | 2001-02-28 | 2004-04-28 | 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 |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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