CN101081514A - Lift rack for jet printing - Google Patents

Lift rack for jet printing Download PDF

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Publication number
CN101081514A
CN101081514A CN 200610027074 CN200610027074A CN101081514A CN 101081514 A CN101081514 A CN 101081514A CN 200610027074 CN200610027074 CN 200610027074 CN 200610027074 A CN200610027074 A CN 200610027074A CN 101081514 A CN101081514 A CN 101081514A
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CN
China
Prior art keywords
bearing
ring
spray printing
crane
ball
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Granted
Application number
CN 200610027074
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Chinese (zh)
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CN100446943C (en
Inventor
王军
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Baoshan Iron and Steel Co Ltd
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Baoshan Iron and Steel Co Ltd
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Application filed by Baoshan Iron and Steel Co Ltd filed Critical Baoshan Iron and Steel Co Ltd
Priority to CNB200610027074XA priority Critical patent/CN100446943C/en
Publication of CN101081514A publication Critical patent/CN101081514A/en
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Abstract

The present invention relates to jet printing erector of jet printing machine. The jet printing erector includes one jet printing machine pedestal, one driving lead screw mechanism and one erector body. The driving lead screw mechanism includes one servo motor, one large gear, one small gear, one lead screw and one spline shaft bearing; and the erector body includes ball bearing housings, one installation ring, one spline cylinder, one frame cover, one track and block assembly, one runner and one mounting rack.

Description

A kind of spray printing crane
Technical field: the present invention relates to a kind of elevating mechanism of mechanical arm, particularly a kind of spray printing crane of controlling the lifting of spray printing machine.
Background technology:
Spray printing equipment is by computer-controlled full-automatic aspect system, directly forms label on the side surface of coil of strip and top surface by the specking battle array.At present, the mode that the hot rolling line of domestic and international iron and steel enterprise is used for hot coil of strip label generally mostly is coating dot matrix spray printing, and the one-tenth word principle of this mode is: a plurality of spray guns are arranged side by side, and the constant speed walking, ejection point-like coating on desired location is with a composition literal.Because the spray printing machine also includes sensor, quality is bigger, so the spray printing machine adopts respectively control separately mostly to the side spray of coil of strip side surface with to the top spray of coil of strip top surface.
That for example 2050 hot rollings are adopted is the revolute robot of 6 interlocks, and it successively pushes up spray and side spray to coil of strip, though only need a cover spray printing machine, because the spray printing cycle surpasses the rolling cycle of coil of strip, causes the rhythm of steel rolling can be subjected to certain restriction.What for example 1580 hot rollings adopted again is two spray printing machines, and its side spray and top spraying equipment are arranged at the both sides of conveyer chain respectively, and two parts carry out simultaneously when spray printing.
At present, along with the continuous miniaturization of spray printing machine, the scheme that has occurred a kind of side spray arm and the shared robot of top spray arm, but its top spray arm can only spray printing at the coil of strip top near the position of inner ring, this now clashes in this situation of inner ring with the coil of strip turriform beginning again, so defective that just exists coil of strip to reprocess in a large number, and this scheme needs 2 robot arms to carry out side spray and top spray motion respectively, make spray printing machine complex structure, control also comparatively loaded down with trivial detailsly, increased the repair rate of device greatly.
Summary of the invention:
The purpose of this invention is to provide a kind of spray printing crane of controlling the lifting of spray printing machine, mainly solve the technical problem that the range of movement of existing spray printing machine mechanical arm was restricted and can't finishes spray printing in the rolling cycle.Technical scheme of the present invention is: a kind of spray printing crane, comprise spray printing machine base, lead screw transmission mechanism and crane body, described spray printing machine base comprises hollow support and fuselage, the framework fuselage is arranged on the support, the body cover of ring-type is stamped at the fuselage top, and the body cover endoporus of this ring-type is equipped with the self-lubricating copper sheathing that play the guiding role when the lifting of crane assembly; Described lead screw transmission mechanism comprises servomotor, gear wheel, pinion, screw mandrel (can adopt ball screw) and spline bearing, servomotor is installed on the support, servomotor output shaft socket pinion, pinion and gear wheel engagement, be fixed on that the gear wheel center fixation has screw mandrel on the support, the bottom of screw mandrel is socketed with bearing retaining and gear retaining, and screw mandrel top also socket is fixed with the bearing retaining, and the spline bearing that play the guiding role is housed on this bearing outer ring; This servomotor drives pinion and realizes main the rotation, and screw mandrel also rotates thereupon during the gear wheel passive rotation, thereby realizes moving up and down of crane.
Described crane body comprises ball-bearing housing, installing ring, the internal spline cylinder, housing cap, guide rail and slide block assembly, slide rail and installing rack, ball-bearing housing is socketed in screw mandrel top, described internal spline cylinder is fixed in the installing ring of ball-bearing housing upper end, the installing ring outer ring self-lubricating copper sheathing that play the guiding role, inner ring has had the spline bearing that supports and lead, described slide rail and installing rack pass through housing cap, internal spline cylinder and installing ring and ball-bearing housing are linked together, the motion of realization synchronization lifting, slide rail and installing rack also connect with guide rail and slide block assembly, described slide rail and installing rack also are subjected to the strong support from guide rail and slide block assembly when carrying out the synchronization lifting motion, can effectively improve the loading capacity of mechanical arm.
Described spray printing drives screw mandrel rotation realization with the lifting moving control of crane by servomotor, by rotation being changed into the ball-bearing housing effect of the ball screw that moves of straight line up and down that drives, and guide rail and slide block assembly realize being used to install the elevating movement of the spray printing of spray printing mechanical arm with the crane body to support, self-lubricating copper sheathing and the spline bearing of slide rail and the installing rack inside and outside stable guiding to the internal spline cylinder; And realize the control requirement of spray printing machine function by the combination of plane motion control and lifting moving control, promptly use an arm device of simplifying most to realize side spray and top spray simultaneously, can with 200510024100.9 supporting uses, promptly realize the coincidence of top spray track and side spray track, its control structure is simple, can adapt to heavier jet printing appts, its control flexibility also can be satisfied the temporal requirement of shorter rolling cycle.
Spray printing crane provided by the invention, its course of work is achieved as follows:
When the spray printing machine receive be positioned at the locational coil of strip width data of coil of strip spray printing after, an elevating mechanism that moves up and down along the Z axle that is had just can be realized the lifting of spray printing mechanical arm and jet printing appts, this elevating mechanism servomotor is to drive change-speed gearing and screw mandrel, by rotation being changed into the ball-bearing housing effect of the ball screw that moves of straight line up and down that drives, and guide rail and slide block assembly are to the support of slide rail and installing rack, self-lubricating copper sheathing and spline bearing realize being used to install the elevating movement of the spray printing of spray printing mechanical arm with the crane body to the inside and outside stable guiding of internal spline cylinder.
Spray printing crane provided by the invention, it has following advantage:
1, for adapting to the different width of coil of strip, the present invention adopts elevating mechanism to realize that plane mechanism moves up and down, make plane motion and move up and down arbitrarily and make up, promptly can move up and down needed height earlier and realize plane motion again, also can be converted into stable spatial movement combination, simple, reliable and stable
2, the servomotor of the present invention's employing can afford to stand harsh service condition as the joint of mechanism, can carry out very frequent forward and reverse and acceleration and deceleration operation, and can bear overload at short notice.
3, ball screw is the straight-line movement conversion mechanism that converts executive item with rotatablely moving to, and the ball screw transmission has the characteristic of a series of excellences: its transmission efficiency is up to 85%~98%, is 2~4 times of common sliding screw transmission.Its robust motion is good, and frictional resistance is little at work, the flexibility ratio height.By pretension, can eliminate the gap, improve transmission stiffness.Feed accuracy and repetitive positioning accuracy height.Long service life is about 4~8 times of common sliding screw transmission.Synchronism is good, use is reliable, lubricated simple, easy maintenance.Select a support problem that important problem is exactly a ball-screw of ball-screw, often adopted angular contact ball bearing or bidirectional propulsion cylinder to roll the combination bearing mode of word bearing and needle bearing.Angular contact ball is because running accuracy height, rigidity height, bearing capacity is strong, limit speed is high, adapt to that slewing range is big, friction is little, noise is low, good anti-vibration, and long service life is made simple, working service and conveniently is able to extensive use.The bearing that is applied to ball-screw is generally all wanted mounted in pairs, so that bearing bears the axial force of both direction and adjusts bearing clearance and pretension, selects for use two angular contact ball bearings to install back-to-back here, because can bear higher anti-disturbing moment like this.
4, mechanical arm is connected by slide block with support.The benefit of doing like this is to share the suffered moment of torsion of ball screw screw mandrel by slide block.Straight-line rolling guide set is made up of guide rail bar and slide block.The guide rail bar is a supporting guide, generally has two, is installed on the support member, and slide block is installed on the moving component, and it can do rectilinear motion along guide rail.Have two slide blocks on the every guide rail bar at least.Two groups of balls are housed in the slide block, two groups of balls respectively have working track and the return trajectory of oneself, when ball when working track is rolled into the end of slide block, the orbit hole in end face baffle plate and slide block returns, circulating rolling continuously in the track of guide rail bar and slide block.
Description of drawings:
The invention will be further described below in conjunction with the drawings and specific embodiments.
Accompanying drawing is a spray printing provided by the invention crane structural representation;
Among the figure: 1 foundation bolt, 2 gear wheels, 3 nuts and pad, 4 screw mandrels, 5 keys, 6 spacer rings, 7 bearings, 8 supports, 9 ball-bearing housings, 10 internal spline cylinders, 11 screws, 12 installing rings, 13 body covers, 14 screws, 15 self-lubricating copper sheathings, 16 housing caps, 17 screws, 18 nuts and pad, 19 slide rails and installing rack, 20 bearings, 21 spline bearing, 22 guide rail screws, 23 guide rails and slide block assembly, 24 fuselages, 25 servomotors, 26 pinions, 27 keys, 28,29 nuts.
The specific embodiment:
Below with reference to the accompanying drawings, a kind of preferred forms of the present invention is described.
As shown in drawings, be spray printing provided by the invention crane sketch, it comprises the spray printing machine base, three parts of screw mandrel transmission and crane body, this spray printing machine base has the support 8 that is fixed in ground, guarantee the spray printing machine base that screw mandrel 4 transmissions and crane body support, on this spray printing machine base servomotor 25 is housed, servomotor 25 output shafts 28 socket pinions 2, and it is fixing by key 27, pinion 2 is fixed on the output shaft by feed screw nut 29, servomotor drives change-speed gearing (gear wheel 2, pinion 26) and screw mandrel 4, by rotation being changed into the ball-bearing housing ball screw effect that straight line moves about in the of 9 that drives, and the support of guide rail and 23 pairs of slide rails of slide block assembly and installing rack 19, the inside and outside stable guiding of self-lubricating copper sheathing 15 and 21 pairs of internal spline cylinders 10 of spline bearing realizes being used to install the elevating movement of the spray printing of spray printing mechanical arm with the crane body;
Described spray printing machine base comprises hollow support 8, self-lubricating copper sheathing 15, body cover 13 and fuselage 24, this support is fixed on the ground by foundation bolt 1, the fuselage 24 that an installation screw mandrel 4 is arranged on the support 8, the body cover 13 of ring-type is stamped at fuselage 24 tops, body cover 13 is fixing by screw 14 with fuselage 24, body cover 13 endoporus of this ring-type are equipped with self-lubricating copper sheathing 15, the guide effect when realizing the lifting of crane assembly;
Described screw mandrel running part is realized moving up and down of spray printing mechanism by the lift design, this screw mandrel running part comprises servomotor 25, gear wheel 2, pinion 26, screw mandrel 4 (can adopt ball screw) and spline bearing 21, this servomotor 25 drives pinion 26 and realizes main the rotation, gear wheel 2 and screw mandrel 4 are connected into one by nut and pad 3, screw mandrel 4 also rotates thereupon during gear wheel 2 passive rotation, thereby realize moving up and down of crane body, these screw mandrel 4 bottoms contain bearing 7 and gear retaining, described gear retaining is spacer ring 6, the bearing retaining is also contained on its top, and by nut and pad 18 that bearing 20 is fixing, the spline bearing 21 that play the guiding role is housed on this bearing outer ring;
Described crane body comprises ball-bearing housing 9, installing ring 12, internal spline cylinder 10, housing cap 16, guide rail and slide block assembly 23, slide rail and installing rack 19, described internal spline cylinder 10 is fixed in the installing ring 12 of ball-bearing housing 9 upper ends, installing ring and internal spline cylinder are fixing by screw 11, its outer ring when lifting of installing ring has self-lubricating copper sheathing 15 to play the guiding role, inner ring has spline bearing 21 to do to support and guiding, described slide rail and installing rack 19 are by housing cap 16, internal spline cylinder 10 and installing ring and ball-bearing housing 9 are linked together, the motion of realization synchronization lifting, described slide rail and installing rack 19 also are subjected to the strong support from guide rail and slide block assembly 23 when carrying out the synchronization lifting motion, can effectively improve the loading capacity of mechanical arm.
Described slide rail and installing rack 19 are fixed together by screw 17 and housing cap 16, can on guide rail and slide block assembly 23, slide up and down simultaneously, guide rail and slide block assembly 23 are fixed in fuselage 24 by guide rail screw 22, and slide rail and installing rack 19 can connect with mechanical arm to realize the spray printing function.
Spray printing crane provided by the invention, its course of work is as follows:
As shown in the figure, when the width of controller according to coil of strip, the servomotor 25 that can be drawn rising by control program needs the amplitude and the phase place of rotation, and sends instruction control servomotor 25 and rotate, and arrives required spray printing height up to jet printing appts.
Servomotor 25 on this spray printing machine base drives change-speed gearing (gear wheel 2, pinion 26) and screw mandrel 4, by rotation being changed into the ball-bearing housing ball screw effect that straight line moves about in the of 9 that drives, and the inside and outside stable guiding of support, self-lubricating copper sheathing 15 and 21 pairs of internal spline cylinders 10 of spline bearing of guide rail and 23 pairs of slide rails of slide block assembly and installing rack 19, realize being used to install of the elevating movement of the spray printing of spray printing mechanical arm with the crane body;
If when the data of senior management computer transmission are wrong, can cause the jet printing appts lifting height not enough, when mechanical arm stretches out, sensor will send signal.After controller received this signal, control program was made and is stopped the instruction that mechanical arm stretches out running, prevented that mechanical arm and coil of strip from colliding.To on Industrial PC Computer, show error message simultaneously, need the height of rising again, drive the data lifting jet printing appts height of servomotor 25 rotations of rising by control program again by manually input by artificial input.
After jet printing appts arrived required spray printing height, the sensor of jet printing appts transmitted signals to controller.Controller converts corresponding distance to according to signal, can obtain the external diameter of coil of strip through computing.Controller is again according to the external diameter and the spray printing character number of coil of strip, can draw the time that 3 rotary electric machines of mechanical arm need rotate and turn to by control program, and send instruction control servomotor and rotate, spray all characters up to jet printing appts and stop operating again.

Claims (2)

1, a kind of spray printing crane, it is characterized in that comprising the spray printing machine base, lead screw transmission mechanism and crane body, described spray printing machine base comprises hollow support and fuselage, the framework fuselage is arranged on the support, described lead screw transmission mechanism comprises servomotor, gear wheel, pinion, screw mandrel and spline bearing, servomotor is installed on the support, servomotor output shaft socket pinion, pinion and gear wheel engagement, be fixed on that the gear wheel center fixation has screw mandrel on the support, the bottom of screw mandrel is socketed with bearing retaining and gear retaining, screw mandrel top also socket is fixed with the bearing retaining, the spline bearing that play the guiding role is housed on this bearing outer ring, described crane body comprises ball-bearing housing, installing ring, the internal spline cylinder, housing cap, guide rail and slide block assembly, slide rail and installing rack, ball-bearing housing is socketed in screw mandrel top, described internal spline cylinder is fixed in the installing ring of ball-bearing housing upper end, the installing ring outer ring self-lubricating copper sheathing that play the guiding role, inner ring has had the spline bearing that supports and lead, described slide rail and installing rack pass through housing cap, internal spline cylinder and installing ring and ball-bearing housing are linked together, and slide rail and installing rack also connect with guide rail and slide block assembly.
2, a kind of spray printing crane according to claim 1 is characterized in that the fuselage top is stamped the body cover of ring-type, and the body cover endoporus of this ring-type is equipped with the self-lubricating copper sheathing that play the guiding role when the lifting of crane assembly.
CNB200610027074XA 2006-05-30 2006-05-30 Lift rack for jet printing Active CN100446943C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB200610027074XA CN100446943C (en) 2006-05-30 2006-05-30 Lift rack for jet printing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB200610027074XA CN100446943C (en) 2006-05-30 2006-05-30 Lift rack for jet printing

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CN100446943C CN100446943C (en) 2008-12-31

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102079088A (en) * 2010-11-09 2011-06-01 苏州凯欧机械科技有限公司 Single-shaft high-precision intelligent linear motion mechanical arm
CN102343729A (en) * 2011-03-31 2012-02-08 龙梅 Shifter for control lifting system of universal spray drawing printer
CN102615995A (en) * 2012-04-01 2012-08-01 迟建 Vertical printing mechanism for heat transfer printer
CN102783308A (en) * 2012-07-27 2012-11-21 朱季华 Header of cane harvester
CN104309316A (en) * 2014-09-07 2015-01-28 合肥海闻自动化设备有限公司 Reel type digital printer
CN104827488A (en) * 2015-04-14 2015-08-12 马鞍山鼎泰稀土新材料股份有限公司 Vertical position driving mechanism of four-freedom-degree high-speed conveying robot
CN105500404A (en) * 2015-12-29 2016-04-20 苏州卓德电子有限公司 Mechanical arm with auxiliary heightening structure
CN105882170A (en) * 2016-06-29 2016-08-24 定襄县安宝锻压有限公司 Round disc steel specification typewriter
CN106906515A (en) * 2017-04-20 2017-06-30 山东大学 A kind of SiC single crystal grower that can realize temperature field real-time adjustment and the method that SiC single crystal is grown using the device
CN108616672A (en) * 2018-06-30 2018-10-02 芜湖市奥尔特光电科技有限公司 A kind of super depth of field device of three-dimensional
CN110572940A (en) * 2019-08-21 2019-12-13 武汉数字化设计与制造创新中心有限公司 transfer device for jet printing film substrate, electronic printing system and electronic printing method

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* Cited by examiner, † Cited by third party
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JP4300541B2 (en) * 1999-04-02 2009-07-22 和光工業株式会社 Screw jack bottom device
KR100401418B1 (en) * 2001-05-18 2003-10-22 제갈희 Jack operated by electric for automobiles
CN2549807Y (en) * 2002-05-02 2003-05-14 黄冬荣 Lifting platform
CN2734721Y (en) * 2004-08-31 2005-10-19 陈勇 Electric jack

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102079088B (en) * 2010-11-09 2012-08-22 苏州凯欧机械科技有限公司 Single-shaft high-precision intelligent linear motion mechanical arm
CN102079088A (en) * 2010-11-09 2011-06-01 苏州凯欧机械科技有限公司 Single-shaft high-precision intelligent linear motion mechanical arm
CN102343729A (en) * 2011-03-31 2012-02-08 龙梅 Shifter for control lifting system of universal spray drawing printer
CN102343729B (en) * 2011-03-31 2016-01-20 合肥海闻自动化设备有限公司 A kind of omnipotent wide format printer controls the shifter of jacking system
CN102615995A (en) * 2012-04-01 2012-08-01 迟建 Vertical printing mechanism for heat transfer printer
CN102615995B (en) * 2012-04-01 2014-08-27 迟建 Vertical printing mechanism for heat transfer printer
CN102783308A (en) * 2012-07-27 2012-11-21 朱季华 Header of cane harvester
CN104309316A (en) * 2014-09-07 2015-01-28 合肥海闻自动化设备有限公司 Reel type digital printer
CN104309316B (en) * 2014-09-07 2016-08-17 合肥海闻自动化设备有限公司 A kind of reel digital printer
CN104827488A (en) * 2015-04-14 2015-08-12 马鞍山鼎泰稀土新材料股份有限公司 Vertical position driving mechanism of four-freedom-degree high-speed conveying robot
CN105500404A (en) * 2015-12-29 2016-04-20 苏州卓德电子有限公司 Mechanical arm with auxiliary heightening structure
CN105882170A (en) * 2016-06-29 2016-08-24 定襄县安宝锻压有限公司 Round disc steel specification typewriter
CN105882170B (en) * 2016-06-29 2018-02-23 定襄县安宝锻压有限公司 Disk grade of steel typewriter
CN106906515A (en) * 2017-04-20 2017-06-30 山东大学 A kind of SiC single crystal grower that can realize temperature field real-time adjustment and the method that SiC single crystal is grown using the device
CN108616672A (en) * 2018-06-30 2018-10-02 芜湖市奥尔特光电科技有限公司 A kind of super depth of field device of three-dimensional
CN110572940A (en) * 2019-08-21 2019-12-13 武汉数字化设计与制造创新中心有限公司 transfer device for jet printing film substrate, electronic printing system and electronic printing method
CN110572940B (en) * 2019-08-21 2020-07-10 武汉数字化设计与制造创新中心有限公司 Transfer device for jet printing film substrate, electronic printing system and electronic printing method

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