CN102825826B - Guide post mechanism of high-speed press - Google Patents
Guide post mechanism of high-speed press Download PDFInfo
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- CN102825826B CN102825826B CN201210316004.1A CN201210316004A CN102825826B CN 102825826 B CN102825826 B CN 102825826B CN 201210316004 A CN201210316004 A CN 201210316004A CN 102825826 B CN102825826 B CN 102825826B
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- guide pillar
- guide post
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Abstract
The invention discloses a guide post mechanism of a high-speed press. The guide post mechanism is provided with a thread sleeve (11) on a middle shaft (7); the cylindrical surface of the thread sleeve is in threaded connection with a guide post (13); a convex ring (7-1) is arranged on the middle shaft; the inner circular surface of the thread sleeve and the outer circular surface of the convex ring are movably matched, and a low-pressure oil chamber (17-2) is tightly formed by a sealing ring; the lower surface of a pressure block (14) contacts a piston (16); the piston (16) encloses a high-pressure oil chamber (17-1) through the sealing ring and the guide post (13); at least two guide grooves (2-1) are uniformly distributed on the inner surface of a worm gear (2); a thread end of a bolt track roller (3) is arranged on the thread sleeve (11), and a roller is arranged in the guide groove (2-1) in the worm gear (2). According to the invention, the die mounting height can be quickly and conveniently adjusted; a thread for adjusting the die mounting height is not stressed by blanking force and not easily damaged, and the guide post mechanism has the functions of overload protection, thread locking and fast lifting of a sliding block at the same time.
Description
Technical field
The present invention relates to a kind of high-speed blanking press, particularly a kind of high-speed blanking press guide post mechanism.
Background technology
The height of packing compact of crank press refers to when crank arrives bottom dead centre, the distance between slide block bottom surface and work top.Forcing press is for adapting to different moulds, and height of packing compact needs often to adjust, and the adjustment member of existing forcing press adopts helicitic texture more, regulates screw thread to bear periodically blanking pressure while working due to forcing press, causes and regulates screw thread easily to damage because force-bearing situation is poor.High-speed fine press due to ram travel and height of packing compact adjustment amount little, when needs overhaul mould, mould need to be taken out in fuselage, waste time and energy.Part high-speed fine press adopts hydraulic lifting apparatus, and hydraulic lifting apparatus is arranged on entablature more, a plurality of hydraulic cylinders, consists of, and possess the function of fuselage locking, overload protection, but reliability is poor simultaneously.
Summary of the invention
The object of this invention is to provide a kind of high-speed blanking press guide post mechanism; this mechanism not only can quick and convenient adjustment height of packing compact; and height of packing compact regulates screw thread not to be subject to blanking pressure, not fragile, possess overload protection, screw-threaded coupling and slide block fast lifting function simultaneously.
For achieving the above object, this high-speed blanking press guide post mechanism, pin is fixed on connecting rod, and axis upper end is hinged on pin by intermediate bushing; Thread bush is arranged on axis, and its periphery and guide pillar are threaded connection; On axis, be provided with bulge loop, the moving merga pass sealing ring sealing formation low pressure grease chamber of joining between the inner headed face of thread bush and the periphery of bulge loop; Briquetting upper surface is fitted, also with screw, is connected with axis with the lower surface of thread bush, and lower surface contacts with piston; Piston is arranged in guide pillar by sealing ring is airtight, surrounds Yi Ge high-pressure oil chamber with guide pillar, and slide block is fixed on the lower end of guide pillar; Above worm gear with frame dowel hole inner face laminating, below with the upper guide bush laminating being fixed in frame, at uniform at least two guide grooves of worm gear inner surface; The embedded guiding brasses of upper guide bush, guiding brasses is enclosed within on guide pillar; Upper guide bush bottom mounting block oiled-plate method, seals with sealing ring between oil baffle and guide pillar; The end of thread of bolt track roller is arranged on thread bush, and roller is placed in the guide groove in worm gear.
The present invention only need discharge the oil pressure in high-pressure oil chamber, drive again worm gear rotation can realize the adjustment of height of packing compact, when forcing press punching press, adjusting screw thread of the present invention bears the constant pressure that high-pressure oil chamber passes over all the time, realize the locking of screw thread, compared by periodically blanking pressure with the adjusting screw thread of prior art, adjusting screw thread of the present invention is not fragile because force-bearing situation improves.When stamping press surpasses setting pressure, high-pressure oil chamber's automatic deloading, realizes the protection to mould; When needs fast lifting, by high-pressure oil chamber and low pressure oil chamber opening, hydraulic oil in high-pressure oil chamber and low pressure grease chamber flows out, by means of the cylinder being arranged on slide block, can realize the parts such as guide pillar and slide block and rise overally, when needs height of packing compact returns to original position, to high-pressure oil chamber and the oiling of low pressure grease chamber, by means of the gravity of the parts such as guide pillar and slide block, can realize whole decline.
Accompanying drawing explanation
Accompanying drawing is topology view of the present invention.
The specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in the figure, this high-speed blanking press guide post mechanism, pin 8 is fixed on connecting rod 9, and axis 7 upper ends are hinged on pin 8 by intermediate bushing 10, thereby rotatablely moving of press crankshaft is converted into pumping of slave unit slide block 18; Thread bush 11 is arranged on axis 7, and its periphery and guide pillar 13 are threaded connection; On axis 7, be provided with bulge loop 7-1, between the inner headed face of thread bush 11 and the periphery of bulge loop 7-1, by sealing ring, seal and form the 17-2 of low pressure grease chamber, guarantee that hydraulic oil do not reveal, rely on the Incoercibility of hydraulic oil, realize the upper limit of double thread cover 11; Moving cooperation between the periphery of the inner headed face of thread bush 11 and bulge loop 7-1, the axial relative sliding between dependence thread bush 11 and bulge loop 7-1, realizes the fast-descending of slide block; Briquetting 14 upper surfaces are fitted, also with screw, are connected with axis 7 with the lower surface of thread bush 11, and lower surface contacts with piston 16, realizes spacing; Piston 16 is arranged in guide pillar 13 by sealing ring is airtight, surrounds the 17-1 of Yi Ge high-pressure oil chamber with guide pillar 13, and slide block 18 is fixed on the lower end of guide pillar 13; Worm gear 2 above with frame 1 dowel hole inner face laminating, below with upper guide bush 4 laminatings that are fixed in frame 1, at uniform at least two the guide groove 2-1 of worm gear 2 inner surfaces; The embedded guiding brasses 5 of upper guide bush 4, guiding brasses 5 is enclosed within on guide pillar 13, bears on the one hand the side force producing in guide pillar 13 motions and punching course, and to guide pillar, 13 motions are led on the other hand; Upper guide bush 4 bottom mounting block oiled-plate methods 6, seal with sealing ring between oil baffle 6 and guide pillar 13, prevent the leakage of lubricating oil; The end of thread of bolt track roller 3 is arranged on thread bush 11, and roller is placed in the guide groove 2-1 in worm gear 2.
For avoiding the direct impact of 16 pairs of briquettings 14 of piston, cause the bolt looseness that connects briquetting 14 and axis 7, as improvement of the present invention, on briquetting 14, cover has inner spacing collar 15, and the thickness of inner spacing collar 15 is slightly larger than the thickness of briquetting 14.
When height of packing compact need to be adjusted, first by hydraulic system, discharge the oil pressure in the 17-1 of high-pressure oil chamber, at this moment, piston 16 and inner spacing collar 15 fall under Action of Gravity Field, and the lower end of the upper end of piston 16 and thread bush 11 produces a distance that can make guide pillar 13 move up; By worm screw 12, drive worm gear 2 rotations again, drive bolt track roller 3 and 11 rotations of connected thread bush that are placed in guide groove 2-1 by worm gear 2, the rotation of thread bush 11 drives guide pillar 13 to rise by screw thread, thereby realizes the increase of height of packing compact.As wanted, height of packing compact is reduced, only need make worm gear 12 reversions.
When needs slide block fast lifting, the 17-1 of high-pressure oil chamber and the 17-2 of low pressure grease chamber are opened, hydraulic oil in high-pressure oil chamber and low pressure grease chamber flows out, and by means of the devices such as cylinder on slide block that are arranged on that generally use on forcing press, can realize the parts such as guide pillar and slide block and rise overally.When needs die-filling height of sliding block sets back, oiling in the 17-1 of Zhi Xudui high-pressure oil chamber and the 17-2 of low pressure grease chamber, by means of the gravity of the parts such as guide pillar and slide block, can realize whole decline.
During forcing press punching press, the power that connecting rod 9 passes over acts on piston 16 by axis 7 and briquetting 14, and piston 16 acts on guide pillar 13 and slide block 18 by hydraulic oil, the transmission of realizable force.Screw thread between thread bush 11 and guide pillar 13 bears the constant pressure that high-pressure oil chamber passes over by piston 16, inner spacing collar 15 all the time, also realizes the locking of screw thread in to adjusting screw thread protection.When stamping press surpasses nominal pressure, the oil pressure in high-pressure oil chamber raises, and by pipeline automatic deloading, realizes the protection to mould.
Claims (2)
1. a high-speed blanking press guide post mechanism, comprise axis (7), guide pillar (13), slide block (18), pin (8) is fixed on connecting rod (9), axis (7) upper end is hinged on pin (8) by intermediate bushing (10), slide block (18) is fixed on the lower end of guide pillar (13), upper guide bush (4) is fixed in frame (1), the embedded guiding brasses of upper guide bush (4) (5), guiding brasses (5) is enclosed within on guide pillar (13), upper guide bush (4) bottom mounting block oiled-plate method (6), between oil baffle (6) and guide pillar (13), with sealing ring, seal, it is characterized in that: also comprise thread bush (11), briquetting (14), piston (16), screw bolt-type track roller (3), worm gear (2), worm screw (12), thread bush (11) is arranged on axis (7), its periphery and guide pillar (13) are threaded connection, on axis (7), be provided with bulge loop (7-1), the moving merga pass sealing ring sealing formation low pressure grease chamber (17-2) of joining between the inner headed face of thread bush (11) and the periphery of bulge loop (7-1), briquetting (14) upper surface is fitted, also with screw, is connected with axis (7) with the lower surface of thread bush (11), and lower surface contacts with piston (16), piston (16) is arranged in guide pillar (13) by sealing ring is airtight, surrounds Yi Ge high-pressure oil chamber (17-1) with guide pillar (13), worm gear (2) is fitted with frame (1) dowel hole inner face above, below with upper guide bush (4) laminating, at worm gear (2) uniform at least two guide grooves of inner surface (2-1), it is upper that the end of thread of bolt track roller (3) is arranged on thread bush (11), and roller is placed in the guide groove (2-1) in worm gear (2).
2. high-speed blanking press guide post mechanism according to claim 1, is characterized in that: at the upper cover of described briquetting (14), have inner spacing collar (15), the thickness of inner spacing collar (15) is slightly larger than the thickness of briquetting (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210316004.1A CN102825826B (en) | 2012-08-30 | 2012-08-30 | Guide post mechanism of high-speed press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210316004.1A CN102825826B (en) | 2012-08-30 | 2012-08-30 | Guide post mechanism of high-speed press |
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| Publication Number | Publication Date |
|---|---|
| CN102825826A CN102825826A (en) | 2012-12-19 |
| CN102825826B true CN102825826B (en) | 2014-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210316004.1A Active CN102825826B (en) | 2012-08-30 | 2012-08-30 | Guide post mechanism of high-speed press |
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| CN (1) | CN102825826B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109500093B (en) * | 2019-01-07 | 2023-07-21 | 中钢集团西安重机有限公司 | Sideslip device of middle roller series cluster roller mechanism |
| CN110682587A (en) * | 2019-10-22 | 2020-01-14 | 沃得精机(中国)有限公司 | Die-filling height adjusting mechanism of press machine |
| CN115605117A (en) * | 2020-06-22 | 2023-01-13 | 易希提卫生与保健公司（Se） | Overload protection for lock structure |
| CN116061489B (en) * | 2023-03-07 | 2023-07-14 | 广东锻压机床厂有限公司 | Pressure point anti-instability mechanism of closed four-point precision press |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1175994A2 (en) * | 2000-06-26 | 2002-01-30 | Aida Engineering Co., Ltd. | Press machine |
| CN2763029Y (en) * | 2005-02-02 | 2006-03-08 | 扬州锻压机床有限公司 | Device for regulating sealing height |
| CN201272047Y (en) * | 2008-10-10 | 2009-07-15 | 江苏扬力集团有限公司 | Air cushion buffering structure of press |
| CN102001193A (en) * | 2010-11-03 | 2011-04-06 | 荣成锻压机床有限公司 | Hydraulic overload protective device |
| CN202846934U (en) * | 2012-08-30 | 2013-04-03 | 江苏省徐州锻压机床厂集团有限公司 | Guide post mechanism of high-speed press machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3227440B2 (en) * | 1999-08-05 | 2001-11-12 | 株式会社放電精密加工研究所 | Pressurizing device |
| JP3051841B1 (en) * | 1999-08-10 | 2000-06-12 | 株式会社放電精密加工研究所 | Pressurizing device |
-
2012
- 2012-08-30 CN CN201210316004.1A patent/CN102825826B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1175994A2 (en) * | 2000-06-26 | 2002-01-30 | Aida Engineering Co., Ltd. | Press machine |
| CN2763029Y (en) * | 2005-02-02 | 2006-03-08 | 扬州锻压机床有限公司 | Device for regulating sealing height |
| CN201272047Y (en) * | 2008-10-10 | 2009-07-15 | 江苏扬力集团有限公司 | Air cushion buffering structure of press |
| CN102001193A (en) * | 2010-11-03 | 2011-04-06 | 荣成锻压机床有限公司 | Hydraulic overload protective device |
| CN202846934U (en) * | 2012-08-30 | 2013-04-03 | 江苏省徐州锻压机床厂集团有限公司 | Guide post mechanism of high-speed press machine |
Non-Patent Citations (2)
| Title |
|---|
| JP特開2001-105185A 2001.04.17 |
| JP特開2001-113393A 2001.04.24 |
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| Publication number | Publication date |
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| CN102825826A (en) | 2012-12-19 |
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