CN101961927A - Overhead cylinder type four-column pressure machine - Google Patents

Overhead cylinder type four-column pressure machine Download PDF

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Publication number
CN101961927A
CN101961927A CN2010101334552A CN201010133455A CN101961927A CN 101961927 A CN101961927 A CN 101961927A CN 2010101334552 A CN2010101334552 A CN 2010101334552A CN 201010133455 A CN201010133455 A CN 201010133455A CN 101961927 A CN101961927 A CN 101961927A
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CN
China
Prior art keywords
nut
column
drive
worm
driving
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Application number
CN2010101334552A
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Chinese (zh)
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CN101961927B (en
Inventor
郑良才
叶文聪
张爱国
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宁波精达机电科技有限公司
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Priority to CN201010133455.2A priority Critical patent/CN101961927B/en
Publication of CN101961927A publication Critical patent/CN101961927A/en
Application granted granted Critical
Publication of CN101961927B publication Critical patent/CN101961927B/en

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Abstract

The invention relates to an overhead cylinder type four-column pressure machine. The overhead cylinder type four-column pressure machine is characterized in that a base and vertical columns at the periphery are fixed to form a frame of the pressure machine; crankshafts are fixed on upper cross beams and are connected with sliding blocks by connecting rods; the base is provided with a working platform plate; lower dies are placed on the working platform plate and correspond to upper dies arranged on the sliding blocks; the upper ends of the vertical columns are connected with piston rods of a cylinder; the upper parts of the upper cross beams are fixed on a cylinder body and the middle parts thereof are sheathed on the vertical columns; each vertical column is sheathed with a screw sleeve which is in threaded connection with an adjusting nut and is fixed with the lower part of the upper cross beam by a pressing ring; and the adjusting nut is driven by a nut driving mechanism. The overhead cylinder type four-column pressure machine has the advantages of: improving the strength and the accuracy of the threaded connection in a convenient and low-cost manner, correspondingly prolonging the service life of threads and ensuring the high stamping accuracy and long service life of the pressure machine; and the driving mechanism of the adjusting nut in a die-height adjusting mechanism can adopt a worm-gear and worm driving type or a chain driving type, and is simple and reliable and the adjustment of the die height is convenient.

Description

A kind of preset hydro-cylinder type four column press
Technical field
The present invention relates to a kind of forcing press, particularly a kind of preset hydro-cylinder type four column press height of packing compact adjusting device.
Background technology
Ordinary press ball head connecting rod Shi Mogao adjusting device as shown in Figure 1, entablature 1 and base 8 are fixed on one by column 7, connecting rod 3 is threaded with ball screw 4, the bulb of ball screw 4 flexibly connects by spherical gland 5 and slide block 6, make the flat department of hexagonal at the close end position of ball screw 4, can drive slide block by the spanner rotary screw rod and move up and down the adjustment of realization forcing press height of packing compact.This kind structure exists bar linkage structure complexity,, shortcoming such as bulb region of interest easy to wear too high to the requirement on machining accuracy of parts.
Common preset hydro-cylinder type four column press height of packing compact adjusting device as shown in Figure 2, its base 8, column 7, adjusting nut 11, entablature 1, piston rod 10 and overhead oil cylinder 9 are by hydraulic system and be threadedly connected to one, entablature 1 fixed crankshaft 2, bent axle 2 is connected with slide block 6 by connecting rod 3, column 7 upper ends are connected with the piston rod 10 of oil cylinder 9, entablature 1 top is fixed on the oil cylinder 9, and the middle part is enclosed within on the column 7, and the bottom is spacing by the adjusting nut 11 of spiral on column 7.When height of packing compact is adjusted, at first promote entablature 1, drive adjusting nut 11 rotations by the nut rotary drive mechanism that is installed in entablature 1 then, the problem that relatively moves of the driving mechanism that the design of this kind height of packing compact adjusting device the time must be considered adjusting nut 11 and adjusting nut 11 itself increases the complexity that designs.Column 7 bears big load with adjusting nut 11 threaded connection places simultaneously, and thread material and screw thread Technology for Heating Processing seriously undermine the intensity of threaded connection place because of being subjected to the restriction of column 7 materials and structure, influence forcing press operating accuracy and life-span.
Summary of the invention
Technical problem to be solved by this invention is to overcome the above-mentioned defective of prior art and a kind of preset hydro-cylinder type four column press is provided, and makes that its mode transfer is convenient, nut thread bonding strength and precision be higher, guarantees the punching press high accuracy of forcing press and uses the long-life.
A kind of preset hydro-cylinder type four column press, its base and the fixing framework that constitutes forcing press of column all around, fixed crankshaft on the entablature, bent axle is connected with slide block by connecting rod, working plate is set on the base, place counterdie on the working plate, corresponding with the patrix on being arranged on slide block, described column upper end is connected with the piston rod of oil cylinder, and entablature top is fixed on the cylinder body, and the middle part is enclosed within on the column, be characterised in that: described column puts swivel nut, swivel nut is threaded with adjusting nut, and by trim ring swivel nut and entablature bottom is fixed, and adjusting nut is by the nut drive mechanism.
Compared with prior art, the invention has the advantages that:
By swivel nut is set, being threaded of column and adjusting nut is separated, need not set up screw thread on the column, swivel nut and column can be distinguished selection and processing like this, the material of swivel nut and processing can be better, thereby conveniently and at low cost improve be threaded intensity and precision, the service life of correspondingly improving screw thread, the punching press high accuracy of assurance forcing press and use long-life.
Also because adjusting nut and swivel nut can be followed the rising of entablature easily, make that the driving mechanism of adjusting nut and adjusting nut keeps synchronous all the time when needing to adjust mold height on short transverse, greatly simplified the driving mechanism of adjusting nut.
Description of drawings
Fig. 1 is an ordinary press connection rod sphere Shi Mogao adjusting device structural representation.
Fig. 2 is the structural representation that common preset hydro-cylinder type four column press upright nut Shi Mogao regulates.
Fig. 3 is the structural representation of embodiment of the invention preset hydro-cylinder type four column press.
Fig. 4 is the high adjusting device schematic diagram of mould of embodiment of the invention preset hydro-cylinder type four column press list chain drive-belt.
Fig. 5 is the high adjusting device schematic diagram of mould of the two chain drive-belts of embodiment of the invention preset hydro-cylinder type four column press.
Fig. 6 is the high adjusting device schematic diagram of mould that embodiment of the invention preset hydro-cylinder type four column press list drives worm and gear.
Fig. 7 is the two high adjusting device schematic diagrames of mould that drive worm and gear of embodiment of the invention preset hydro-cylinder type four column press.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
As shown in Figure 3, put a swivel nut 13 at preset hydro-cylinder type four column press column 7 middle parts, and by feather key 12 guiding swivel nuts 13, swivel nut 13 is threaded with adjusting nut 11, and makes adjusting nut 11 and swivel nut 13 catch up with crossbeam 1 maintenance lifting up and down synchronously by trim ring 14.When overhead oil cylinder 9 lifts entablature 1 to certain altitude, by nut driving mechanism rotation adjusting nut 11, swivel nut 13 is done at the guiding lower edge of guide pillar key 12 column face to slide up and down, when suitable distance is adjusted in swivel nut 13 bottom surfaces and entablature 1 bottom surface, stop adjusting nut 11,, withstand the column face up to swivel nut 13 bottom surfaces by overhead oil cylinder 9 hydraulic action decline entablatures 1, and hydraulic pressure pins height of packing compact adjustment end.
Above-mentioned nut driving mechanism specifically has following four technical schemes:
1. as shown in Figure 4, the nut driving mechanism is single chain drive-belt nut driving mechanism, it comprises motor 16, drive sprocket 17, active chain 15, chain 18, drive sprocket 17 links to each other by active chain 15 with adjusting nut 11, chain 18 links to each other with four adjusting nuts 11, drive drive sprocket 17 by motor 16, through active chain 15 drive sprocket adjusting nuts 11, driving four adjusting nuts 11 on the column by this adjusting nut 11 together through chain 18 again rotates, thereby the distance between the change upper and lower mould realizes the height of packing compact adjusting.
2. as shown in Figure 5, the nut driving mechanism is two chain drive-belt nut driving mechanisms.When the forcing press type was big, single chain drive-belt was long, and the degree of regulation of adjusting nut 11 can descend, and the punching precision of forcing press also can descend thus.For guaranteeing precision, also make things convenient for simultaneously the independent regulation of each adjusting nut, adopt two chain drive-belt nut drive mechanism adjusting nuts, it comprises two groups of driving mechanisms, every group of driving mechanism comprises that motor 16, drive sprocket 17, active chain 15, motor 16 drive drive sprockets 17, drive sprocket 17 links to each other with an adjusting nut 11 by an active chain 15 respectively, drive two compound adjusting nuts 11 of sprocket wheel by two chains 15 simultaneously by a motor 16, thereby the distance between the change upper and lower mould realizes the height of packing compact adjusting.
In the time will adjusting four nuts, 11 initial position height unanimity, chain drive Shi Mogao adjusting device can be unloaded lower chain easily, and manually each nut of rotation is loaded onto chain to certain altitude separately.Chain drive Shi Mogao adjusting device nut height is initially adjusted precision and limited by teeth number of sprocket.
3. as shown in Figure 6, the nut driving mechanism is single worm and gear nut driving mechanism that drives, it comprises motor 16, gear drive group unit 22, bevel gear commutation group unit 20, worm-and-wheel gear 19, adjusting nut 11, shaft coupling 21, motor 16 links to each other by gear drive group unit 22, after changing transmission direction, bevel gear commutation group unit 20 links to each other again, again by worm-and-wheel gear 19 and adjusting nut 11 engagements with worm-and-wheel gear 19.By drive motors 16, gear drive group unit 22, waist type slot type shaft coupling 21, bevel gear commutation group unit 20, worm-and-wheel gear 19 the motor-driven torque drive is arrived the compound adjusting nut 11 of worm gear, drive adjusting nut 11 rotations, thereby the distance between the change upper and lower mould realizes the height of packing compact adjusting.
The adjustment precision of above-mentioned its single nut of worm and gear nut driving mechanism is subjected to the restriction of teeth number of sprocket unlike the chain transmission, so Comparatively speaking its nut adjustment precision is higher.
The mode of above-mentioned its connecting axle of shaft coupling is a waist type slot type, and promptly the connecting hole of mounting flange is a mounting hole, can adjust the position of each nut meticulousr and conveniently and independently, thereby guarantees the higher parallel accuracy of forcing press.
4. as shown in Figure 7, the nut driving mechanism is two worm and gear nut driving mechanisms that drive.On the basis of Fig. 6, increase a drive motors, and omission bevel gear commutation group unit 20, directly drive worm-and-wheel gear by gear drive group unit 22, by two drive motors through gear drive group unit 22, directly drive worm-and-wheel gear 19 by waist type slot type shaft coupling 21 torque drive is arrived worm gear compound nut 11, thereby change the distance between upper and lower mould, realize the height of packing compact adjustment, both improved degree of regulation, again adjusting nut separately.
In the time will adjusting four nuts, 11 initial position height unanimity, the high adjusting device of Worm-gear type mould can conveniently be separated shaft coupling 21, rotates each worm screw certain angle, makes four to adjust nut 11 height and position unanimities, retightens shaft coupling 21 again.Because adopt waist type slot type shaft coupling, its anglec of rotation was unrestricted when worm screw was adjusted, four nuts are initially adjusted precision, and to compare chain drive Shi Mogao governor motion higher.

Claims (4)

1. preset hydro-cylinder type four column press, its base and the fixing framework that constitutes forcing press of column all around, fixed crankshaft on the entablature, bent axle is connected with slide block by connecting rod, working plate is set on the base, place counterdie on the working plate, corresponding with the patrix on being arranged on slide block, described column upper end is connected with the piston rod of oil cylinder, and entablature top is fixed on the cylinder body, and the middle part is enclosed within on the column, it is characterized in that: described column puts swivel nut, swivel nut is threaded with adjusting nut, and by trim ring swivel nut and entablature bottom is fixed, and adjusting nut is by the nut drive mechanism.
2. preset hydro-cylinder type four column press as claimed in claim 1, it is characterized in that: described nut driving mechanism is two chain drive-belt nut driving mechanisms, it comprises two groups of driving mechanisms, every group of driving mechanism comprises motor, drive sprocket, active chain, driven by motor drive sprocket, drive sprocket link to each other with an adjusting nut by an active chain respectively.
3. preset hydro-cylinder type four column press as claimed in claim 1, it is characterized in that: the two worm and gear nut driving mechanisms that drive of described nut driving mechanism, it comprises motor, shaft coupling, gear drive group unit, worm-and-wheel gear, motor links to each other with worm-and-wheel gear by gear drive group unit, waist type slot type shaft coupling, again by worm-and-wheel gear and adjusting nut engagement.
4. preset hydro-cylinder type four column press as claimed in claim 3 is characterized in that: the flange connecting hole of described shaft coupling is a waist shape.
CN201010133455.2A 2010-03-28 2010-03-28 Overhead cylinder type four-column pressure machine CN101961927B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201010133455.2A CN101961927B (en) 2010-03-28 2010-03-28 Overhead cylinder type four-column pressure machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010133455.2A CN101961927B (en) 2010-03-28 2010-03-28 Overhead cylinder type four-column pressure machine

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CN101961927A true CN101961927A (en) 2011-02-02
CN101961927B CN101961927B (en) 2015-07-22

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102285135A (en) * 2011-07-21 2011-12-21 宁波精达成形装备股份有限公司 Double-side driving and four-point force-applying press machine
CN102626752A (en) * 2012-02-06 2012-08-08 宁波澳玛特高精冲压机床股份有限公司 Adjustable mold base of punching machine
CN103395223A (en) * 2013-08-22 2013-11-20 南通市腾达锻压机床厂 Openable type hydraulic press
CN103737953A (en) * 2013-12-27 2014-04-23 江苏汇田数控机械有限公司 Closed double-crank-shaft precision punch
CN104029408A (en) * 2014-06-25 2014-09-10 西安交通大学 Symmetric double-toggle-rod boosting high-speed press driven by cylindrical linear motor
CN104029407A (en) * 2014-05-14 2014-09-10 苏州通锦精密工业有限公司 Safe type pressing machine
CN105234329A (en) * 2015-11-20 2016-01-13 合肥合锻机床股份有限公司 Adjustable upper cross beam structure
CN107139516A (en) * 2017-06-20 2017-09-08 西安交通大学 A kind of modular punching machine unit head

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5088400A (en) * 1991-01-25 1992-02-18 John T. Hepburn, Limited Adjusting press platen clearance
JP3051841B1 (en) * 1999-08-10 2000-06-12 株式会社放電精密加工研究所 Pressurizing device
CN1861377A (en) * 2006-04-28 2006-11-15 郑良才 Preset hydro-cylinder type four column press
CN200955615Y (en) * 2006-08-14 2007-10-03 永一阀门集团有限公司 Spring full-open type safety valve
CN201071939Y (en) * 2007-07-05 2008-06-11 江苏星河集团有限公司 Instrument block valve with up and down double-thrust ball bearing structure
CN201309275Y (en) * 2008-11-17 2009-09-16 扬州锻压机床集团有限公司 Lower die height adjuster
CN201792514U (en) * 2010-03-28 2011-04-13 宁波精达机电科技有限公司 Top-mounted cylinder type four-column press

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5088400A (en) * 1991-01-25 1992-02-18 John T. Hepburn, Limited Adjusting press platen clearance
JP3051841B1 (en) * 1999-08-10 2000-06-12 株式会社放電精密加工研究所 Pressurizing device
CN1861377A (en) * 2006-04-28 2006-11-15 郑良才 Preset hydro-cylinder type four column press
CN200955615Y (en) * 2006-08-14 2007-10-03 永一阀门集团有限公司 Spring full-open type safety valve
CN201071939Y (en) * 2007-07-05 2008-06-11 江苏星河集团有限公司 Instrument block valve with up and down double-thrust ball bearing structure
CN201309275Y (en) * 2008-11-17 2009-09-16 扬州锻压机床集团有限公司 Lower die height adjuster
CN201792514U (en) * 2010-03-28 2011-04-13 宁波精达机电科技有限公司 Top-mounted cylinder type four-column press

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102285135A (en) * 2011-07-21 2011-12-21 宁波精达成形装备股份有限公司 Double-side driving and four-point force-applying press machine
CN102626752A (en) * 2012-02-06 2012-08-08 宁波澳玛特高精冲压机床股份有限公司 Adjustable mold base of punching machine
CN103395223A (en) * 2013-08-22 2013-11-20 南通市腾达锻压机床厂 Openable type hydraulic press
CN103737953A (en) * 2013-12-27 2014-04-23 江苏汇田数控机械有限公司 Closed double-crank-shaft precision punch
CN104029407A (en) * 2014-05-14 2014-09-10 苏州通锦精密工业有限公司 Safe type pressing machine
CN104029408A (en) * 2014-06-25 2014-09-10 西安交通大学 Symmetric double-toggle-rod boosting high-speed press driven by cylindrical linear motor
CN105234329A (en) * 2015-11-20 2016-01-13 合肥合锻机床股份有限公司 Adjustable upper cross beam structure
CN107139516A (en) * 2017-06-20 2017-09-08 西安交通大学 A kind of modular punching machine unit head

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Address after: 315033 Zhejiang province Ningbo Hongtang town Jiangbei District Changyang Road No. 191

Applicant after: Ningbo Jingda Forming Equipment Co., Ltd.

Address before: 315033 Zhejiang Province Hung Town Ningbo Jiangbei District No. 191 Changyang Road, Ningbo Jingda Electromechanical Technology Co. Ltd.

Applicant before: Ningbo Jingda Machine-Electric & Technology Co., Ltd.

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Free format text: CORRECT: APPLICANT; FROM: NINGBO JINGDA MACHINE-ELECTRIC + TECHNOLOGY CO.,LTD. TO: NINGBO JINGDA FORMING EQUIPMENT CO., LTD.

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