CN102626752B - Adjustable mold base of punching machine - Google Patents
Adjustable mold base of punching machine Download PDFInfo
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- CN102626752B CN102626752B CN201210024652.XA CN201210024652A CN102626752B CN 102626752 B CN102626752 B CN 102626752B CN 201210024652 A CN201210024652 A CN 201210024652A CN 102626752 B CN102626752 B CN 102626752B
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Abstract
The invention discloses an adjustable mold base of a punching machine, which comprises a baseboard and a mold adjusting base, wherein a guide mechanism and a height adjusting mechanism are arranged between the baseboard and the mold adjusting base. The height adjusting mechanism comprises a transmission box, a large chain wheel, a first small chain wheel, a motor, a second small chain wheel, a piston, an adjusting sleeve and an adjusting seat, wherein an oil cavity is arranged on the mold adjusting base, a piston rod of the piston is fixedly connected with the baseboard, the upper end of the piston is arranged in the oil cavity, the adjusting seat is sleeved on the piston to be fixedly connected with the mold adjusting base, the adjusting sleeve is arranged to be matched with the piston, the adjusting sleeve is movably connected with the adjusting seat, and the large chain wheel is sleeved on the piston to be fixedly connected with the lower end of the adjusting sleeve. Through the technical scheme, a crank is lightened in weight, shock of the punching machine is reduced, accumulated errors of the whole machine tool are reduced, and processing accuracy of the high-speed operating punching machine is led to be greatly improved.
Description
Technical field
The present invention relates to punch press technical field, especially relate to a kind of punch press capable of regulating die holder.
Background technology
Punch press, in carrying out punching course, need to be adjusted mould according to the difference of the shape of workpiece, thickness, material etc. high to adapt to different workpiece, and the precision of mould height adjustment and reliability are key factors of restriction punch press performance.In prior art punch press height adjustment be mostly to realize by adjusting the length of crankshaft-link rod, rely on the stroke of adjusting dynamic model.
Chinese patent literature (the day for announcing: on September 21st, 2011, notification number: CN201979723U) disclose a kind of die height adjustment mechanism for punch, comprise air motor, worm screw, worm gear, gear on worm and rising-falling tone bearing, the output shaft of described air motor is provided with gear and bevel gear, described rising-falling tone bearing is provided with adjustment shaft bevel gear, described gear and the engagement of described gear on worm, described bevel gear and the engagement of described adjustment shaft bevel gear, described worm gear and described worm engaging.Described worm screw is provided with bearing and worm screw is given as security lid; Described worm screw is three that join successively, between every adjacent two, connector is set and connects, and in described connector, is provided with parallel key.
Technique scheme is to adjust mould is high by drive three worm screws to move under the drive of air motor simultaneously.The active worm-and-wheel gear of this structure carries out mode transfer more complicated, has larger vibrations, and vibrations can affect for machining accuracy greatly, make precision not high enough.
Summary of the invention
The object of the invention is to rely on the stroke of adjustment dynamic model to realize in order to solve die height in prior art, on dynamic model, increasing guiding mechanism increases crank weight, vibrations are large, the problem that machining accuracy is low and a kind of adjustable die holder of punch press of adjusting die height by adjusting counterdie is provided.
The present invention realizes the technical scheme that its technical purpose adopts: a kind of punch press capable of regulating die holder, comprise base plate and mode transfer seat, : between described base plate and mode transfer seat, be provided with guiding mechanism and height adjustment mechanism, described height adjustment mechanism comprises gearbox, hinge wheel, the first minor sprocket, motor, the second minor sprocket, piston, adjusting sleeve and adjusting seat, on described mode transfer seat, be provided with oil pocket, the piston rod of described piston is fixedly connected with base plate, the upper end of piston is arranged on oil pocket inside, adjusting seat is set on piston and is fixedly connected with mode transfer seat, adjusting sleeve and piston are equipped with, adjusting sleeve and adjusting seat are flexibly connected, described hinge wheel is set on piston and is fixedly connected with the lower end of adjusting sleeve.Mode transfer seat and piston form airtight oil pocket, and this oil pocket plays screw-threaded coupling and two effects of carrying stamping press when lathe is worked, and when stamping press surpasses setting value, in oil pocket, oil pressure carries out release to protect each component of machine.The present invention is by height adjustment mechanism is set on counterdie, and by adjusting counterdie, the height of die holder is realized the adjustment of the bed height that liquidates.When needs are adjusted mould setting height(from bottom); by the rotation of motor; drive the first minor sprocket to rotate; the first minor sprocket is rotated by chain-driving hinge wheel and the second minor sprocket; the second minor sprocket transmits motion by gearbox; hinge wheel is exchanged die holder by height adjustment mechanism and is adjusted up and down, to reach the variation of mould adjusting mechanism whole height.The present invention changes the length of adjusting crank in prior art, the mode transfer height that the stroke of dependence adjustment dynamic model is realized is adjusted up and down for exchanging die holder, realize the variation of mould setting height(from bottom), this structure need to not increase guiding mechanism on crank, the weight of crank will alleviate greatly like this, has reduced the vibrations of punch press, has saved the energy, reduced the accumulated error of whole lathe, the machining accuracy of the punch press that runs up is greatly improved.
As preferably, in described adjusting sleeve, be provided with external screw thread, in described adjusting seat, be provided with internal thread, adjusting sleeve is threaded with adjusting seat.Adjusting sleeve and adjusting seat are threaded connection, and hinge wheel when rotation drives adjusting sleeve rotation, and the relative adjusting seat of adjusting sleeve is adjusted up and down, piston is carried out spacing, to reach the variation of mould adjusting mechanism whole height.
As preferably, the first described minor sprocket is connected with motor, described hinge wheel is connected with the first minor sprocket by chain with the second minor sprocket, the second described minor sprocket is connected with gearbox, between the first minor sprocket and hinge wheel, be also provided with regulating wheel, the output of gearbox is also provided with the high indicator of mould.Transmission mechanism adopts chain gear transmission, and motion is transmitted stable, makes Height Adjustment steady, and precision is high.The object that regulating wheel is set between the first minor sprocket and hinge wheel is by adjusting regulating wheel, to adjust the degree of tightness of chain.The high indicator of mould is set, the high indicator of mould and gearbox are fixed together, when the second minor sprocket motion, can will move through gearbox is delivered on the high indicator of mould, to show mould setting height(from bottom), facilitated the adjustment at any time to mold height, to meet the demand of different workpieces, efficient and convenient.
As preferably, described guiding mechanism is four groups, and every group of guiding mechanism comprises lead and sliding bearing, and described lead is fixedly connected with base plate, and described sliding bearing is fixedly connected with mode transfer seat, and described lead is connected with sliding bearing.Lead and base plate in this guiding mechanism are fixed together, sliding bearing and mode transfer seat are fixed together, and when mode transfer seat and base plate carry out upper and lower relative motion, lead leads, guarantee accuracy and the stationarity of mode transfer seat adjustment height, improved the machining accuracy of workpiece.
As preferably, described base plate is square plate, described mode transfer seat is square box-like frame members, described mode transfer seat is connected with base plate, on four angles of base plate, be provided with four lead installing holes, correspondingly with four lead installing holes on mode transfer seat be provided with four bearing mounting grooves, described oil pocket is four inner sides that are separately positioned on four bearing mounting grooves.Adopting said structure one is being connected of convenient and punch press; the one, be convenient to the interlock setting of transmission mechanism and height adjustment mechanism; oil pocket is set; mode transfer seat and four pistons form four airtight oil pockets; this oil pocket plays screw-threaded coupling and two effects of carrying stamping press when lathe is worked; when stamping press surpasses setting value, in oil pocket, oil pressure carries out release to protect each component of machine.Meanwhile, this structure can make mode transfer seat move up and down, and reaches the object that realizes the adjustment of mold height by mode transfer seat.
As preferably, lead is fixedly installed on respectively in the lead installing hole on base plate, and sliding bearing is separately positioned in the bearing mounting groove on mode transfer seat, and the upper end of sliding bearing and lead is slidably connected.In this structure, lead and sliding bearing cooperation realize guide function, can effectively guarantee stationarity and the accuracy of mode transfer seat Height Adjustment.
As preferably, adjusting seat is separately positioned on the port of export of oil pocket, and described piston is arranged on oil pocket inside through adjusting sleeve, and internal piston is provided with oil circuit, described oil circuit upper end is communicated with oil pocket, and the lower end of oil circuit is connected with oil path control system by the connection oil circuit arranging on base plate.Internal piston arranges oil circuit and is connected with outside control system by the connection oil circuit on base plate, can make like this to adjust between reason seat and piston and form airtight oil pocket, by oil path control system, make this oil pocket when lathe is worked, play screw-threaded coupling and two effects of carrying stamping press, when stamping press surpasses setting value, by oil path control system, the oil pressure in oil pocket is carried out to release, to protect each component of machine, when needs carry stamping press, by oil path control system, oil pocket is carried out to supercharging, such structure can meet mode transfer seat integral body and carry out up-down adjustment, guarantee to regulate the accuracy of height, avoid horizontal error.
As preferably, the oil circuit between described piston and oil pocket and on piston is provided with sealing device with the junction that is connected oil circuit on base plate.Sealing device is set and can guarantees the seal of oil pocket between mode transfer seat and four pistons; this oil pocket plays screw-threaded coupling and two effects of carrying stamping press when lathe is worked; when stamping press surpasses setting value, in oil pocket, oil pressure carries out release to protect each component of machine.
The invention has the beneficial effects as follows: by exchanging die holder, adjust up and down, realize the variation of mould setting height(from bottom), this structure need to not increase guiding mechanism on crank, make crank lightweight, the vibrations of punch press have been reduced, reduced the accumulated error of whole lathe, the machining accuracy of the punch press that runs up is greatly improved.
Accompanying drawing explanation
Fig. 1 is a kind of mounting structure schematic diagram of punch press capable of regulating die holder of the present invention;
Fig. 2 is a kind of structural representation of punch press capable of regulating die holder of the present invention;
The front view of punch press capable of regulating die holder in Fig. 3 Fig. 2;
Fig. 4 is A-A cutaway view in Fig. 3;
Fig. 5 is B-B cutaway view in Fig. 3;
Fig. 6 is the rearview of punch press capable of regulating die holder in Fig. 3.
In figure: 1, mode transfer seat, 2, base plate, 3, the high indicator of mould, 4, gearbox, 5, lead, 6, hinge wheel, 7, minor sprocket, 8, regulating wheel, 9, motor, 10, piston, 11, adjusting sleeve, 12, adjusting seat, 13, sliding bearing, 14, minor sprocket, 15, oil pocket, 16, oil circuit, 17, connect oil circuit.
The specific embodiment
Below by specific embodiment, also by reference to the accompanying drawings technical scheme of the present invention is described further.
Embodiment 1:
In the embodiment shown in Fig. 1, Fig. 2, a kind of punch press capable of regulating die holder, the base plate 2 and the mode transfer seat 1 that is rectangular-box body structure that comprise the structure that is rectangle, Open Side Down is connected with base plate 2 for mode transfer seat 1, on four angles of base plate 2, be provided with four lead installing holes, correspondingly with four lead installing holes on mode transfer seat 1 be provided with four bearing mounting grooves, on mode transfer seat 1, the inner side of four bearing mounting grooves is respectively arranged with four oil pocket 15(and sees Fig. 4).Base plate 2 and mode transfer seat 1 link together by four groups of guiding mechanisms, four groups of guiding mechanisms divide four corners that are located between mode transfer seat 1 and base plate 2, guiding mechanism comprises lead 5 and sliding bearing 13, lead 5 is fixedly connected with base plate 2, sliding bearing 13 is fixedly connected with mode transfer seat 1, and lead 5 is connected with sliding bearing 13.Four leads 5 are fixedly installed on respectively in the lead installing hole on base plate 2, and sliding bearing 13 is separately positioned in the bearing mounting groove on mode transfer seat 1, and sliding bearing 13 is slidably connected with the upper end of lead 5.When mode transfer seat 1 carries out upper and lower relative motion with base plate 2, lead 5 leads, and has guaranteed accuracy and the stationarity of mode transfer seat 1 adjustment height, has improved the machining accuracy of workpiece.Certainly this guiding mechanism can also be other structures, such as realize sliding up and down between lead and mode transfer seat by dive key, exchanges die holder 1 and carries out guide effect.
In the present embodiment, punch press adjustment die holder also comprises height adjustment mechanism, described height adjustment mechanism (see figure 5) comprises that gearbox 4, four groups of hinge wheels 6, the first minor sprocket 7, regulating wheel 8, hydraulic motor 9(are shown in Fig. 6), the second minor sprocket 14, piston 10, adjusting sleeve 11 and adjusting seat 12, the first described minor sprocket 7 is connected with hydraulic motor 9, four groups of hinge wheels 6 are connected with the first minor sprocket 7 by chain with the second minor sprocket 14, the second described minor sprocket 14 is connected with gearbox 4, and the high indicator 3(of mould is shown in Fig. 3) be fixedly connected with gearbox 4.Regulating wheel 8 is arranged between the first minor sprocket 7 and hinge wheel 6, by chain, is connected respectively with the first minor sprocket 7 with hinge wheel 6.8 pairs of chain degrees of tightness of regulating wheel are adjusted.The piston rod of described piston 10 is fixedly connected with base plate 2, the upper end of piston 10 is arranged on mode transfer seat 1 inside, adjusting seat 12 is fixedly connected with mode transfer seat 1 through piston 10, adjusting sleeve 11 is equipped with piston 10, adjusting sleeve 11 and adjusting seat 12 are flexibly connected, and described hinge wheel 6 is set on piston 10 and is fixedly connected with the lower end of adjusting sleeve 11.The piston rod of four pistons 10 is fixedly connected with base plate 2 respectively, on mode transfer seat 1, be provided with four oil pockets 15, four pistons 10 are separately positioned on oil pocket 15 inside, piston 10 inside are provided with oil circuit 16, described oil circuit 16 upper ends are communicated with oil pocket 15, and the lower end of oil circuit 16 is connected with oil path control system by the connection oil circuit 17 arranging on base plate 2.Oil circuit 16 between piston 10 and oil pocket 15 and on piston 10 is provided with sealing device with the junction that is connected oil circuit 17 on base plate 2.Mode transfer seat 1 and four pistons 10 form four airtight oil pockets, and this oil pocket plays screw-threaded coupling and two effects of carrying stamping press when lathe work, and when stamping press surpasses setting value, the interior oil pressure of oil pocket carries out release to protect each component of machine.
In the inner side of four groups of guiding mechanisms, be provided with 6, four groups of hinge wheels 6 of four groups of hinge wheels and be set in respectively on four pistons 10, four groups of hinge wheels 6 are flexibly connected with mode transfer seat 1 by four groups of adjusting devices 5.Adjusting seat 12 is provided with external screw thread in adjusting sleeve 11 together with being bolted to connection with mode transfer seat 1, and adjusting sleeve 11 is set on piston 10, and outside is threaded with adjusting seat 12, together with the bottom of adjusting sleeve 11 is bolted to connection with hinge wheel 6.During hinge wheel 6 rotation, drive adjusting sleeve 11 rotations, the relative adjusting seat 12 of adjusting sleeve 11 adjusted up and down, piston 10 is carried out spacing, to reach the variation of mould adjusting mechanism whole height.
The present invention will adjust dynamic model height in prior art, adjust the length of crank, and the stroke of dependence adjustment dynamic model is adjusted mold height and changed employing adjustment counterdie into, and both the height of die holder was realized.Between mode transfer seat 1 and base plate 2, lead 5 is set, lead 5 is fixing with base plate 2, and sliding bearing 13 is fixing with mode transfer seat 1, when mode transfer seat 1 carries out upper and lower relative motion with base plate 2, by lead 5, leads.Between mode transfer seat 1 and four pistons 10, arrange and form four airtight oil pockets, this oil pocket plays screw-threaded coupling and two effects of carrying stamping press when lathe is worked, and when stamping press surpasses setting value, in oil pocket, oil pressure carries out release to protect each component of machine.When needs are adjusted mould setting height(from bottom), to carrying out oil pressure release in oil pocket, then by the rotation of hydraulic motor 9, drive the first minor sprocket 7, the first minor sprocket 7 is rotated by four groups of hinge wheels 6 of chain-driving and the second minor sprocket 14, by adjusting regulating wheel 8, the degree of tightness of chain is adjusted, the second minor sprocket 14 transmits motion to the high indicator 3 of mould by gearbox 4, to show mould setting height(from bottom).Adjusting sleeve 11 is connected with hinge wheel 6 use bolts; be threaded with adjusting seat 12 use; adjusting seat 12 and mode transfer seat 1 use bolted; during hinge wheel 6 rotation, drive adjusting sleeve 11 rotations; the relative adjusting seat 12 of adjusting sleeve 11 is adjusted up and down; piston 10 is carried out spacing, to reach the variation of mould adjusting mechanism whole height.
Above-described embodiment is not to be restriction to the explanation of technical solution of the present invention; any modification that those of ordinary skills carry out technical scheme of the present invention or be equal to essence and the scope that replacement does not depart from technical solution of the present invention, all at the row of protection scope of the present invention.
Claims (7)
1. a punch press capable of regulating die holder, comprise base plate and mode transfer seat, it is characterized in that: between described base plate (2) and mode transfer seat (1), be provided with guiding mechanism and height adjustment mechanism, described height adjustment mechanism comprises gearbox (4), hinge wheel (6), the first minor sprocket (7), motor (9), the second minor sprocket (14), piston (10), adjusting sleeve (11) and adjusting seat (12), on described mode transfer seat (1), be provided with oil pocket (15), the piston rod of described piston (10) is fixedly connected with base plate (2), the upper end of piston (10) is arranged on oil pocket (15) inside, adjusting seat (12) is set in piston (10) and is above fixedly connected with mode transfer seat (1), adjusting sleeve (11) is equipped with piston (10), adjusting sleeve (11) and adjusting seat (12) are flexibly connected, described hinge wheel (6) is set in piston (10) and is above fixedly connected with the lower end of adjusting sleeve (11), adjusting seat (12) is separately positioned on the port of export of oil pocket (15), described piston (10) is arranged on oil pocket (15) inside through adjusting sleeve (11), piston (10) inside is provided with oil circuit (16), described oil circuit (16) upper end is communicated with oil pocket (15), the lower end of oil circuit (16) is connected with oil path control system by the upper connection oil circuit (17) arranging of base plate (2).
2. a kind of punch press capable of regulating die holder according to claim 1, is characterized in that: described adjusting sleeve is provided with external screw thread on (11), and described adjusting seat is provided with internal thread on (12), and adjusting sleeve (11) is threaded with adjusting seat (12).
3. a kind of punch press capable of regulating die holder according to claim 1, it is characterized in that: described the first minor sprocket (7) is connected with motor (9), described hinge wheel (6) is connected with the first minor sprocket (7) by chain with the second minor sprocket (14), described the second minor sprocket (14) is connected with gearbox (4), between the first minor sprocket (7) and hinge wheel (6), be also provided with regulating wheel (8), the output of gearbox (4) is also provided with the high indicator of mould (3).
4. a kind of punch press capable of regulating die holder according to claim 1, it is characterized in that: described guiding mechanism is four groups, every group of guiding mechanism comprises lead (5) and sliding bearing (13), described lead (5) is fixedly connected with base plate (2), described sliding bearing (13) is fixedly connected with mode transfer seat (1), and described lead (5) is connected with sliding bearing (13).
5. a kind of punch press capable of regulating die holder according to claim 1, it is characterized in that: described base plate (2) is square plate, described mode transfer seat (1) is square box-like frame members, described mode transfer seat (1) is connected with base plate (2), on four angles of base plate (2), be provided with four lead installing holes, upper be provided with four the bearing mounting grooves corresponding with four lead installing holes of mode transfer seat (1), described oil pocket (15) is four inner sides that are separately positioned on four bearing mounting grooves.
6. according to a kind of punch press capable of regulating die holder described in claim 4 or 5, it is characterized in that: lead (5) is fixedly installed on respectively in the lead installing hole on base plate (2), sliding bearing (13) is separately positioned in the bearing mounting groove on mode transfer seat (1), and sliding bearing (13) is slidably connected with the upper end of lead (5).
7. a kind of punch press capable of regulating die holder according to claim 1, is characterized in that: the oil circuit (16) between described piston (10) and oil pocket (15) and on piston (10) is provided with sealing device with the junction that is connected oil circuit (17) on base plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210024652.XA CN102626752B (en) | 2012-02-06 | 2012-02-06 | Adjustable mold base of punching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210024652.XA CN102626752B (en) | 2012-02-06 | 2012-02-06 | Adjustable mold base of punching machine |
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| Publication Number | Publication Date |
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| CN102626752A CN102626752A (en) | 2012-08-08 |
| CN102626752B true CN102626752B (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210024652.XA Active CN102626752B (en) | 2012-02-06 | 2012-02-06 | Adjustable mold base of punching machine |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102896232B (en) * | 2012-10-18 | 2015-03-25 | 无锡海特精密模具有限公司 | Installation positioning device for die bracket guide component |
| CN104324979A (en) * | 2014-09-04 | 2015-02-04 | 宁波澳玛特高精冲压机床股份有限公司 | Stamping test apparatus of punch |
| CN108176732B (en) * | 2017-12-29 | 2019-05-03 | 凯达威尔创新科技（深圳）有限公司 | A kind of the power-off method for tracing and system of the high indicator of mould |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3644508B2 (en) * | 1994-12-27 | 2005-04-27 | 株式会社小松製作所 | Die height adjustment device for press machine |
| JP2006110560A (en) * | 2004-10-12 | 2006-04-27 | Toyota Auto Body Co Ltd | Press apparatus |
| JP5115158B2 (en) * | 2007-11-19 | 2013-01-09 | 村田機械株式会社 | Press machine |
| CN201309275Y (en) * | 2008-11-17 | 2009-09-16 | 扬州锻压机床集团有限公司 | Lower die height adjuster |
| CN201389596Y (en) * | 2009-03-20 | 2010-01-27 | 宁波弘讯科技有限公司 | Punch-press die height adjusting device |
| CN101961927B (en) * | 2010-03-28 | 2015-07-22 | 宁波精达成形装备股份有限公司 | Overhead cylinder type four-column pressure machine |
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