CN103448289A - Anti-eccentric load guide structure - Google Patents
Anti-eccentric load guide structure Download PDFInfo
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- CN103448289A CN103448289A CN2013103657434A CN201310365743A CN103448289A CN 103448289 A CN103448289 A CN 103448289A CN 2013103657434 A CN2013103657434 A CN 2013103657434A CN 201310365743 A CN201310365743 A CN 201310365743A CN 103448289 A CN103448289 A CN 103448289A
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- slide block
- liner plate
- guide frame
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- unbalanced
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Abstract
The invention discloses an anti-eccentric load guide structure, which is used for realizing non-eccentric load guidance during movement of a slide block in a press machine. The guide structure comprises a plurality of square vertical columns (4) which pass through square holes in the four corners of a press machine slide block (1) respectively to guide the slide block (1), and is characterized in that each inner wall surface of the square holes is provided with a first lining plate (2) provided with a concave groove; the four outer wall surfaces, which correspond to the square holes in the slide block, of the squarer vertical columns are provided with second lining plates (3) provided with bumps which correspond to the concave grooves; and when the slide block (1) slides, the square holes in the four corners and the square vertical columns (4) are in close fit one by one through the first lining plates (2) and the second lining plates (3) respectively to do relative movement, so that non-eccentric load guidance of a pressure head is realized. According to the structure disclosed by the invention, slide block eccentricity caused by eccentric load torque can be effectively avoided, accuracy loss of the press machine is avoided, and the accuracy of a forging part is increased.
Description
Technical field
The invention belongs to the press technologies field, be specifically related to a kind of press frame unbalanced-loading preventing guide frame.
Background technology
Forcing press has guide frame usually, with the anti-limited slip block bias that led when moving up and down.At present, the guide frame of forcing press is the pillar type column structure normally, and the guide frame of this pillar type column structure is when reality leads, and line leads often, so guiding accuracy is low.In addition, the structure that adopts the polygon column to be led is also arranged, although this polygon column plane guide frame is the face guiding, when unbalance loading is arranged, press ram can produce bias, the precision of impact forging and stamping part.
A kind of octahedral fuselage guide rail adjustment structure is disclosed in Chinese utility model patent CN202986155U, guide rail is fixed with fuselage after coarse adjustment, hollow screw end on guide rail clip by solid screw in compression on guide rail, can control the hollow screw end position on guide rail clip and the guide rail position be in contact with it by the rotating solid screw, thereby regulate the gap produced because of unbalance loading between guide rail and slide block.Disclose a kind of guide rail structure of three grooved slideways in Chinese patent CN102825827A, three guide plates are processed respectively and are arranged on fuselage, for slider guide.Disclose a kind of slider guide rail apparatus for press that comprises ball watt and spigot surface in Chinese invention patent CN1436658A, ball watt rotates relative to slide block, by the voussoir support rails, realizes slider guide and eliminates eccentric contact.
In the technical scheme of above disclosure, the fuselage column all, outside the pressure head slide block, is realized guiding by the guide plate guide rail be fixed on the fuselage column.When reality is shaped, although all there is certain anti-bias load effect, but while using on having than the multistation finish forge forcing press of wide-bed-type press brake face, because producing greatly and unavoidably unbalance loading, unbalance loading causes slide block bias, can impact forge and press dimensional accuracy and the die life of part, thereby be difficult to meet the requirement of the fields such as automobile and Aero-Space to the finish forge product quality.
Summary of the invention
Above defect or Improvement requirement for prior art, the invention provides a kind of guide frame of the unbalanced-loading preventing for forcing press, its purpose is by guide pillar and slide block are socketed, and the structure that cooperatively interacts of the contact-making surface setting between guide pillar and slide block, solve thus in prior art when slider guide is used on wide-bed-type press brake face multiple position press, there is the technical problem of the deficiency that unbalance loading and rigidity are lower, thereby realize the precision form of parts.
According to one aspect of the present invention, a kind of unbalanced-loading preventing guide frame is provided, realize slide block leading without unbalance loading in moving for forcing press, wherein, this guide frame comprises a plurality of square columns, and it is respectively through the square hole on four jiaos of described press ram slide blocks, for slide block is led, it is characterized in that
Be provided with the first liner plate that has Baltimore groove on described each face of square hole inwall, the outer wall that described square column is corresponding with described slide block square hole is respectively arranged with the second liner plate with projection corresponding with described Baltimore groove on four sides, when the pressure head slide block slides, square hole on its four jiaos and described square column closely cooperate and relatively move correspondingly respectively by described first liner plate the second liner plate, thereby realize leading without unbalance loading to pressure head.
As present invention further optimization, the groove of described the first liner plate is opened on the liner plate surface, and as rail plate, it is axially the slide block moving direction, and this groove cross section can be arc, square or taper.
As present invention further optimization, the groove of described the first liner plate is at least one.
As present invention further optimization, the projection on described the second liner plate is opened on the liner plate surface, the groove corresponding matching on itself and described the first liner plate, and it is axially the slide block moving direction, cross section can be arc, square or taper.
As present invention further optimization, described projection can be multi-segment structure vertically.
As present invention further optimization, the gap between described the first liner plate and the second liner plate can be regulated by wedge structure, to realize closely cooperating between two liner plates.
As present invention further optimization, described the second liner plate surface also has a plurality of shallow slots, for storing lubricating oil.
According to another aspect of the present invention, provide a kind of forcing press with above-mentioned unbalanced-loading preventing guide frame.
In guide frame of the present invention, the press frame box type column is positioned among the square hole in four bights of slide block, four flat-cambered surfaces are that the second liner plate is separately fixed on four faces of fuselage box type column in conjunction with guide plate, and four flat-cambered surfaces are that the first liner plate is separately fixed on four planes of slide block square hole in conjunction with guide rail.Flat-cambered surface can be by conventional wedge structure adjusting in conjunction with guide plate and flat-gap that cambered surface is combined between guide rail.Slide block is combined the guiding between guide rail with flat-cambered surface in conjunction with guide plate by flat-cambered surface, realization is along the upper and lower smooth reciprocation of fuselage box type column.
In general, the guide frame of flat-cambered surface combination that the present invention adopts, can effectively prevent the slide block bias that the unbalance loading torque causes, avoids the forcing press loss of significance, improves the precision of forging and stamping part.Particularly, guiding mechanism of the present invention has following advantage:
(1) adopt flat-cambered surface to be combined the mode that guide plate cooperatively interacts and lead with flat-cambered surface in conjunction with guide rail, when having eccentric moment, due to the fiting constraint between cambered surface recessed in the cambered surface of guide rail protrusions and guide plate, the eccentric moment can balance caused due to unbalance loading, thereby eliminate the bias of slide block, improve forcing press and precision and the die life of forging and pressing part.
(2) in four faces of square opening and post, the globoidal structure of aspect, front and back can suppress the eccentric moment of slide block at left and right directions, and the globoidal structure of aspect, left and right can suppress the eccentric moment of slide block at fore-and-aft direction.
The accompanying drawing explanation
Fig. 1 is the schematic diagram of the forcing press unbalanced-loading preventing guide frame of the embodiment of the present invention.
Fig. 2 be in the forcing press unbalanced-loading preventing guide frame of the embodiment of the present invention flat-cambered surface is in conjunction with the schematic diagram of guide plate 3.
Fig. 3 be in the forcing press unbalanced-loading preventing guide frame of the embodiment of the present invention flat-cambered surface is in conjunction with the schematic diagram of guide rail 2.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the present invention is further elaborated.If only in order to explain the present invention, do not limit the present invention when explanation relates to instantiation herein.In addition, involved technical characterictic in each embodiment of the present invention who the following describes just can not mutually combine as long as form each other conflict.
As Figure 1-3, a kind of unbalanced-loading preventing guide frame of the embodiment of the present invention, it comprises slide block 1, the first liner plate 2, the second liner plate 3 and fuselage box type column 4.
The first liner plate 2 also referred to as flat-cambered surface is in conjunction with guide rail 2, it can have a plurality of, is separately positioned on the inner wall surface of slide block 1 square hole, preferably on four of each square hole inwall internal faces, is provided with 1.Flat-cambered surface offers groove in conjunction with guide rail 2 outer surfaces, for acting on the guide rail of slip.The axial direction of groove is along the slide block moving direction, and this groove cross section can be arc, square or taper or other polygonized structures.
The second liner plate 3 also referred to as flat-cambered surface is in conjunction with guide plate 3, it can have a plurality of, is separately positioned on the periphery wall of square column 4, preferably on each square column outer peripheral face, is provided with flat-cambered surface in conjunction with guide plate 3.Should flat-cambered surface be provided with outwardly bulge-structure in conjunction with guide plate 3 surfaces, this bulge-structure, is realized cooperatively interacting in conjunction with the mutual corresponding clamping of the groove on guide rail 2 with flat-cambered surface.Wherein, the axial direction of projection is along the slide block moving direction, and cross section can be arc, square or taper or other polygonized structures.
As shown in Figure 2, the put down-cambered surface of the present embodiment is divided into multi-segment structure in conjunction with in the middle of the arc convex on guide plate 3, is not limited to 3 sections in figure, can specifically select according to actual needs.Be carved with x shape shallow slot simultaneously on spigot surface; And with shown in Fig. 3 flat-cambered surface is combined guide rail 2 and matches, for storing lubricating oil.
In addition, projection and corresponding groove in the present embodiment also can arrange the same cambered surface of two or more pieces simultaneously, to obtain the ability of higher anti-eccentric moment.
Preferably, flat-cambered surface also has a plurality of shallow slots in conjunction with guide plate 3 surfaces, for storing lubricating oil.Flat-cambered surface can be multi-segment structure in conjunction with the projection on guide plate 3 vertically.
The fuselage box type column 4 of the forcing press of the present embodiment is positioned among the square hole in 1 four bights of slide block, four flat-cambered surfaces are separately fixed in conjunction with guide plate 3 on four faces of fuselage box type column 4, and four flat-cambered surfaces are separately fixed on four planes of slide block 1 bight square hole in conjunction with guide rail 2.Flat-cambered surface can be by conventional wedge structure adjusting in conjunction with guide plate 3 and flat-gap that cambered surface is combined between guide rail 2.In a cycle period, slide block 1 is combined the guiding between guide rail 1 with flat-cambered surface in conjunction with guide plate 3 by flat-cambered surface, realization along fuselage box type column 4 descendingly suppressed, up return motion.Due to the guide frame that adopts flat-cambered surface combination, can effectively prevent slide block 1 bias that when multistation is shaped, the unbalance loading torque causes, avoided the forcing press loss of significance, can effectively improve the precision of forging and stamping part.
Adopt flat-cambered surface to be combined the mode that guide plate 3 cooperatively interacts and lead with flat-cambered surface in conjunction with guide rail 2, when having eccentric moment, due to the fiting constraint between cambered surface recessed in the cambered surface of guide rail 2 protrusions and guide plate 3, the eccentric moment can balance caused due to unbalance loading, wherein, the globoidal structure of aspect can suppress the eccentric moment of slide block 1 at left and right directions, the globoidal structure of aspect, left and right can suppress the eccentric moment of slide block 1 at fore-and-aft direction, thereby eliminate the bias of slide block 1, improve forcing press and precision and the die life of forging and pressing part.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present invention; not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a unbalanced-loading preventing guide frame, realize slide block leading without unbalance loading in moving for forcing press, wherein, this guide frame comprises a plurality of square columns (4), it is respectively through the square hole on (1) four jiao of described press ram slide block, for pressure head slide block (1) is led, it is characterized in that
Be provided with the first liner plate (2) that has Baltimore groove on described each face of square hole inwall, the outer wall that described square column (4) is corresponding with described slide block square hole is provided with the second liner plate (3) with projection corresponding with described Baltimore groove on four sides, when slide block (1) slides, square hole on its four jiaos and described square column (4) closely cooperate correspondingly respectively and relatively move by described the first liner plate (2) and the second liner plate (3), thereby realize leading without unbalance loading to pressure head.
2. a kind of unbalanced-loading preventing guide frame according to claim 1, is characterized in that, the groove of described the first liner plate (2) is opened on the liner plate surface, and as rail plate, it is axially the slide block moving direction, and this groove cross section can be arc, square or taper.
3. a kind of unbalanced-loading preventing guide frame according to claim 1 and 2, is characterized in that, the groove of described the first liner plate (2) is at least one.
4. according to the described a kind of unbalanced-loading preventing guide frame of any one in claim 1-3, it is characterized in that, projection on described the second liner plate (3) is strip, be opened on the liner plate surface, groove corresponding matching on itself and described the first liner plate (2), it is axially the slide block moving direction, and cross section can be arc, square or taper.
5. according to the described a kind of unbalanced-loading preventing guide frame of any one in claim 1-4, it is characterized in that, described projection can be multi-segment structure vertically.
6. according to the described a kind of unbalanced-loading preventing guide frame of any one in claim 1-5, it is characterized in that, the gap between described the first liner plate (2) and the second liner plate (3) can be regulated by wedge structure, to realize closely cooperating between two liner plates.
7. according to the described a kind of unbalanced-loading preventing guide frame of any one in claim 1-6, it is characterized in that, described the second liner plate (3) surface also has a plurality of shallow slots, for storing lubricating oil.
8. the forcing press with described a kind of unbalanced-loading preventing guide frame of any one in claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310365743.4A CN103448289B (en) | 2013-08-20 | 2013-08-20 | Anti-eccentric load guide structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310365743.4A CN103448289B (en) | 2013-08-20 | 2013-08-20 | Anti-eccentric load guide structure |
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| CN103448289A true CN103448289A (en) | 2013-12-18 |
| CN103448289B CN103448289B (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310365743.4A Active CN103448289B (en) | 2013-08-20 | 2013-08-20 | Anti-eccentric load guide structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106040839A (en) * | 2016-07-12 | 2016-10-26 | 广东西江电梯有限公司 | Double-column inclinable press with adjustable center |
| CN107756862A (en) * | 2017-07-08 | 2018-03-06 | 嘉兴大道锻造技术咨询有限公司 | The guide rail of press machine structure of thermal expansion can be avoided |
| CN113043028A (en) * | 2021-04-19 | 2021-06-29 | 四川兴事发门窗有限责任公司 | Bearing guide device |
Citations (8)
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| GB506276A (en) * | 1937-11-24 | 1939-05-24 | Earl Cannon | Guides for reciprocating platens as used, for example, in hydraulic presses for the hot molding of plastic material |
| DE2218438A1 (en) * | 1972-04-17 | 1973-10-31 | Dorst Keramikmasch | PRESS, IN PARTICULAR FOR THE MANUFACTURE OF PRESS SLINGS FROM CERAMIC MATERIAL |
| CN2177581Y (en) * | 1993-11-12 | 1994-09-21 | 苏光辉 | Guide rail for double X shaped hammer press |
| CN2365049Y (en) * | 1999-04-05 | 2000-02-23 | 浙江萧山精密压力机厂 | Sliding guiding device for press |
| JP2001087899A (en) * | 1999-09-24 | 2001-04-03 | Komatsu Ltd | Press |
| CN100415498C (en) * | 2002-02-05 | 2008-09-03 | 爱达工程株式会社 | Slider guide rail apparatus for press |
| CN101758639A (en) * | 2009-11-19 | 2010-06-30 | 天津市天锻压力机有限公司 | Sliding block guide track structure of four-column hydraulic press |
| CN203460479U (en) * | 2013-08-20 | 2014-03-05 | 华中科技大学 | Eccentric load preventing guide structure |
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2013
- 2013-08-20 CN CN201310365743.4A patent/CN103448289B/en active Active
Patent Citations (8)
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| GB506276A (en) * | 1937-11-24 | 1939-05-24 | Earl Cannon | Guides for reciprocating platens as used, for example, in hydraulic presses for the hot molding of plastic material |
| DE2218438A1 (en) * | 1972-04-17 | 1973-10-31 | Dorst Keramikmasch | PRESS, IN PARTICULAR FOR THE MANUFACTURE OF PRESS SLINGS FROM CERAMIC MATERIAL |
| CN2177581Y (en) * | 1993-11-12 | 1994-09-21 | 苏光辉 | Guide rail for double X shaped hammer press |
| CN2365049Y (en) * | 1999-04-05 | 2000-02-23 | 浙江萧山精密压力机厂 | Sliding guiding device for press |
| JP2001087899A (en) * | 1999-09-24 | 2001-04-03 | Komatsu Ltd | Press |
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| CN203460479U (en) * | 2013-08-20 | 2014-03-05 | 华中科技大学 | Eccentric load preventing guide structure |
Non-Patent Citations (1)
| Title |
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| 陈胜涛: "闭式框架机身压力机的滑块导向结构", 《CMET.锻压装备与制造技术》, no. 01 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106040839A (en) * | 2016-07-12 | 2016-10-26 | 广东西江电梯有限公司 | Double-column inclinable press with adjustable center |
| CN107756862A (en) * | 2017-07-08 | 2018-03-06 | 嘉兴大道锻造技术咨询有限公司 | The guide rail of press machine structure of thermal expansion can be avoided |
| CN113043028A (en) * | 2021-04-19 | 2021-06-29 | 四川兴事发门窗有限责任公司 | Bearing guide device |
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| Publication number | Publication date |
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| CN103448289B (en) | 2014-12-17 |
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