CN102267281B - Multi-station synchronous transmission step indexer of curved surface printing machine - Google Patents
Multi-station synchronous transmission step indexer of curved surface printing machine Download PDFInfo
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- CN102267281B CN102267281B CN 201110006458 CN201110006458A CN102267281B CN 102267281 B CN102267281 B CN 102267281B CN 201110006458 CN201110006458 CN 201110006458 CN 201110006458 A CN201110006458 A CN 201110006458A CN 102267281 B CN102267281 B CN 102267281B
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Abstract
The invention relates to curved surface printing equipment, in particular to a multi-station synchronous transmission step indexer of a curved surface printing machine. The step indexer comprises an indexing turntable, an intermittent driving device, a die handle driving system and a gas circuit system, wherein the die handle axis on the indexing turntable is parallel to the axis of the indexing turntable; the die handle driving system comprises a planet gear, a circular inner gear ring fixed seat, a fixed seat supporting rod, a circular inner gear ring, a driving motor and a transmission device; the circular inner gear ring fixed seat is fixed on a shell of the intermittent driving device through the fixed seat supporting rod; the indexing turntable is fixed with an output shaft of the intermittent driving device; a plurality of die handles are pivoted in bearing holes on the periphery of the indexing turntable through a die handle shaft; the planet gear is fixedly arranged at the other end of the die handle shaft; the circular inner gear ring is pivoted at the periphery of the circular inner gear ring fixed seat and engaged with the planet gear; and the circular inner gear ring is connected with the driving motor through the transmission device. All the die handles on the indexing turntable are accurately synchronous with the indexing turntable and a big transfer printing drum, so that the printing effect is clearer.
Description
Technical field
The present invention relates to a kind of Multi-station synchronous transmission stepping protractor of flexography equipment, particularly a kind of curved surface printing machine.
Background technology
The Multi-station synchronous transmission stepping protractor that Multi-station synchronous transmission stepping protractor of the present invention is a kind of column type, cone-shaped curved surface printing machine, its station number can be 4 stations to tens station, described Synchronous Transmission is the whole Synchronous Transmission of the handle of the mould on all stations on indexing rotary table, along with the speed of stepping protractor motor and the speed Synchronous Transmission of transfer printing big drum wheel speed.
The stepping protractor of traditional column type, cone-shaped curved surface printing machine as shown in Figure 1 and Figure 2, comprise and be provided with a plurality of moulds 1 indexing rotary table 2, the intermittent drive device 3 that the driving indexing rotary table rotates and the printing main machine that is provided with the large drum 4 of transfer printing, described indexing rotary table 2 is multi-stage radical indexing rotary tables, described multi-stage radical indexing rotary table is finger print 1 all sides of being located at indexing rotary table 2, and mould is vertical with the axis of described indexing rotary table 21 axis.When in printing process, if certain station needs mould that winding mold is rotated axis, be that each needs the mould handle on the station of rotation with the motor drive, or wherein need the mould handle of transmission by Timing Belt or chain-driving with the output of intermittent drive device.
Along with improving constantly of social automaticity and operating efficiency, on power output shaft on indexing rotary table the transmission mode of each station can't satisfy multistation more and for reaching the precise synchronization transmission purpose of various difference in functionality needs.Existing multistation stepping protractor has the following disadvantages:
1, the radially indexing rotary table of traditional multistation stepping protractor, be located at all sides of indexing rotary table due to the mould handle, mould is vertical with the axis of described indexing rotary table axis, along with the increase of station certainly will will strengthen the indexing rotary table diameter, the rotary inertia of indexing rotary table is increased greatly, can't adapt to the needs of High Rotation Speed.
2, traditional mould can't be accomplished all moulds on rotating disk to transmission mode whole Synchronous Transmission all, even indivedual die head transmission, also, switching oversize because of drive path causes too much that error is large, fault rate is high.Moreover the stepping protractor of this transmission mode moving and quiet between can only be in the moment that the stepping protractor is static when putting in place, could begin transmission mould handle, only depend on stepping protractor static moment that puts in place could begin its corona of transmission, solidify quality and speed will be had a greatly reduced quality if printing machine runs up.
3, when needs more during the specification shape of die change handle, tighten the screw after again mould being inserted indexing rotary table station hole to axle after needing assembling bearing, snap ring and mould axle, complex procedures, spended time is long, can't satisfy the needs of high-speed production.And the rotating disk mould easily weares and teares axle jack such as frequent modulus of conversion handle and affects precision.
4, on the Synchronous Transmission of rotating disk, though inventor ZL200820135995.2 patent is arranged to be innovated to some extent to prior art, but also still exist rubber roll wheel plane and mould easy to wear or affect the Synchronous Transmission of each station mould handle because of spring soft or hard factor the Contact Transmission rotating disk, moreover each station mould is being the passive type transmission, also can affect the Synchronous Transmission precision of each mould handle because of the machining accuracy of the tightness of too many its bearing of station and mould handle.
This shows, above-mentioned existing multistation stepping protractor obviously still has inconvenience and defective, and demands urgently further being improved on the structure and use of device.In order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, is completed by development but have no for a long time applicable design always, and this is obviously the problem that the anxious wish of relevant dealer solves.Therefore how to found a kind of new multistation stepping protractor, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Because the defective that above-mentioned existing multistation stepping protractor exists, the inventor is based on being engaged in this type of product design manufacturing abundant practical experience and professional knowledge for many years, and the utilization of cooperation scientific principle, positive research and innovation in addition, to founding a kind of Multi-station synchronous transmission stepping protractor of new curved surface printing machine, make it have more practicality.Through constantly research, design, and after repeatedly studying and improving, finally create the present invention who has practical value.
Summary of the invention
Main purpose of the present invention is, overcome the defective that existing multistation stepping protractor exists, and provide a kind of Multi-station synchronous transmission stepping protractor of new curved surface printing machine, technical problem to be solved be make on indexing rotary table all moulds the indexing rotary table rotation or intermittently stopping period all keep synchronous rotary, and the external diameter of the indexing rotary table of identical station is less than the external diameter of existing indexing rotary table, High Rotation Speed is steady, enhances productivity.
The object of the invention to solve the technical problems realizes by the following technical solutions.A kind of Multi-station synchronous transmission stepping protractor according to the present invention's proposition, comprise the indexing rotary table that is provided with a plurality of mould handles, the intermittent drive device that drives the indexing rotary table rotation, mould is drive system and air-channel system, and the axis of wherein said a plurality of mould handles is parallel with the axis of described indexing rotary table; Described mould is drive system synchronous driving system, it comprises planetary gear, annulus ring gear holder, holder support bar, annulus ring gear, drive motors and transmission device, described annulus ring gear holder is fixed on the housing of described intermittent drive device by described holder support bar, the output shaft of described indexing rotary table and described intermittent drive device is fixed, and the transverse plane of the plane of indexing rotary table and described annulus ring gear holder is closely connected; The circumference that approaches periphery on described indexing rotary table is provided with a plurality of dead eyes, described a plurality of mould is axle being hubbed in the dead eye of described indexing rotary table periphery by mould, described mould sets firmly described planetary gear to the other end of axle, described annulus ring gear is hubbed at the periphery of described annulus ring gear holder by bearing, and with all planetary gear engagements, described annulus ring gear connects described drive motors by transmission device.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
aforesaid Multi-station synchronous transmission stepping protractor, wherein said mould is provided with mould to an end of axle mounting flange, described mould has certain distance to mounting flange and described end, described mould is the coaxial planetary gear fixed axis that is provided with of the other end of axle, the diameter of described planetary gear fixed axis less than described mould the diameter of axle, its end is provided with screw thread, the cylindrical of described mould handle is consistent with the inner circle of the workpiece that is printed, described mould the center be provided with diameter equal described mould the mould in the mounting flange outside the centre bore of shaft diameter, the bottom of described mould handle is provided with mounting flange, described mould is hubbed at axle in the dead eye of described indexing rotary table periphery by airtight bearing, described mould is overhanging by the back side of described indexing rotary table the coaxial planetary gear fixed axis of axle, described planetary gear is fixed on described planetary gear fixed axis with key, and with fastening nuts, described mould be located at mould the mould in the mounting flange outside on axle, described mould the mounting flange of bottom be screwed in described mould mounting flange on, or
Described mould is the part of the fixed die handle of axle the axis of cone, and the centre bore of mould handle is taper hole, adopts Morse's taper to coordinate and installs.
Aforesaid Multi-station synchronous transmission stepping protractor is provided with bearing holder (housing, cover) in the dead eye of wherein said indexing rotary table periphery, and described mould is hubbed at axle in described bearing holder (housing, cover) by airtight bearing.
Aforesaid Multi-station synchronous transmission stepping protractor is provided with the correction bearing between the output shaft of wherein said annulus ring gear holder and described intermittent drive device.
Aforesaid Multi-station synchronous transmission stepping protractor, the transmission device between wherein said annulus ring gear and described drive motors is synchronous belt transmission device or gear drive.
Aforesaid Multi-station synchronous transmission stepping protractor, wherein said air-channel system is consisted of the axle mould that is communicated with dead eye described indexing rotary table the center to the central siphon road by being located at holder pipeline on annulus ring gear holder, being located at the rotating disk pipeline that is communicated with respectively each dead eye on indexing rotary table and being located at mould, and the holder pipeline on described annulus ring gear holder requires connect respectively high-pressure air source, vacuum source or connect described high-pressure air source and vacuum source by three-way change-over valve according to station.
Aforesaid Multi-station synchronous transmission stepping protractor, rotating disk pipeline on wherein said indexing rotary table is by being consisted of perpendicular to the radially tracheae that is communicated with described each station dead eye of described rotating disk axis and the axial tracheae of the described radially tracheae of connection, when described indexing rotary table intermittently stops, described axial tracheae and described holder pipeline connection.
Aforesaid Multi-station synchronous transmission stepping protractor, wherein said mould the axle mould that is communicated with dead eye described indexing rotary table the center the central siphon road, comprise be located at mould the sealed chamber that forms between the center tracheae at axle center, two airtight bearings, be located at the axle sleeve pore on bearing holder (housing, cover), one end of described center tracheae leads to mould the outer face, the other end of center tracheae is between the sealed chamber that two airtight bearings form, and described mould is provided with axle at the axle pore of connection center tracheae and described sealed chamber.
The present invention compared with prior art has obvious advantage and beneficial effect.By technique scheme, Multi-station synchronous transmission stepping protractor of the present invention can reach suitable technological progress and practicality, and has the extensive value on industry, and it has following advantages at least:
1, Multi-station synchronous transmission stepping protractor of the present invention changes a plurality of moulds handles radially installed on indexing rotary table into axial installation, under the prerequisite of identical station number, the diameter of indexing rotary table is reduced greatly, the rotary inertia of the indexing rotary table when making High Rotation Speed reduces greatly, thereby print speed printing speed is improved greatly, increase economic efficiency, meet industry development required, quite have industrial utilization.
2, the mould on each station of Multi-station synchronous transmission stepping protractor of the present invention is adopting gear synchronous to drive, not only overcome mechanism's complexity that prior art adopts indivedual transmissions to bring, the problems such as drive path is long, switching is many, error is large, fault rate is high, and can guarantee the quality of corona, printing and curing effectively to have improved print speed printing speed in high-speed cruising.
3, the mould on each station of Multi-station synchronous transmission stepping protractor of the present invention is adopting gear synchronous to drive, no matter low speed or run up can guarantee in stepping protractor sound situation on indexing rotary table that all moulds can be without a break and stepping protractor and the transmission of the large drum three of transfer printing precise synchronization, make printing effect more clear.。
3, Multi-station synchronous transmission stepping protractor of the present invention is divided into two bodies to axle with mould handle and mould, makes mould rapidly convenient changing, and enhances productivity.
In sum, Multi-station synchronous transmission stepping protractor of the present invention has above-mentioned plurality of advantages and practical value, no matter it all has larger improvement on the structure of apparatus or function, significant progress is arranged technically, and produced handy and practical effect, and more existing multistation stepping protractor has the outstanding effect of enhancement, thus more be suitable for practicality, and have the extensive value of industry, become a new and innovative, progressive, practical new design.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for above and other purpose of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and the cooperation accompanying drawing, be described in detail as follows.
Description of drawings
Fig. 1 is the structural representation of existing multistation stepping protractor.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the shape assumption diagram of Multi-station synchronous transmission stepping protractor of the present invention.
Fig. 4 is the cross-sectional schematic of Multi-station synchronous transmission stepping protractor of the present invention.
Fig. 5 is the A-A cutaway view of Fig. 4.
Fig. 6 is the B-A cutaway view of Fig. 4.
The specific embodiment
Reach for further setting forth the present invention technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, its specific embodiment of Multi-station synchronous transmission stepping protractor, structure, feature and effect thereof to foundation the present invention proposes are described in detail as follows.
See also Fig. 3, Fig. 4, shown in Figure 5, it mainly comprises the Multi-station synchronous transmission stepping protractor of preferred embodiment of the present invention: be provided with the intermittent drive device 30 that a plurality of moulds rotate the described indexing rotary table 20 of 10 indexing rotary table 20, driving, mould is drive system 40 and air-channel system 50, and wherein said a plurality of moulds are parallel with the axis of described indexing rotary table 20 10 axis; Described mould is drive system synchronous driving system, it comprises planetary gear 41, annulus ring gear holder 42, holder support bar 43, annulus ring gear 44, drive motors 45 and transmission device 46, described annulus ring gear holder 42 is fixed on the housing of described intermittent drive device 30 by described holder support bar 43, and the effect of holder support bar 43 is to make the certain open spaces of maintenance between the housing of annulus ring gear holder 42 and intermittent drive device 30.described indexing rotary table 20 is fixed with the output shaft of described intermittent drive device 30, and the transverse plane of the plane of indexing rotary table 20 and described annulus ring gear holder is closely connected fixing, the circumference that approaches periphery on described indexing rotary table 20 is provided with a plurality of dead eyes, described a plurality of mould is hubbed at 10 axle 11 in the dead eye of described indexing rotary table periphery by mould, described mould sets firmly described planetary gear 41 to the other end of axle 11, described annulus ring gear 44 is hubbed at the periphery of described annulus ring gear holder 42 by bearing, and with all planetary gear 41 engagements, described annulus ring gear 44 connects described drive motors 45 by transmission device 46.
During work, described intermittent drive device 30 drives described indexing rotary table 20 intermittent movements, make mould sequentially stopping at each station the operation of completing each station, duration of work in each operation, indexing rotary table 20 keeps static, meanwhile, drive motors 45 drives described annulus ring gear 44 rotations by described transmission device 46, drive described moulds with 41 of each planetary gears of described annulus ring gear 44 engagements and synchronize rotation to 10, complete the operation that printing, curing, glazing, curing etc. need workpiece rotating.
in conjunction with Fig. 6, described mould is provided with mould to an end of axle 11 mounting flange 12, described mould has certain distance to 10 mounting flanges 12 to shaft end with described mould, described mould is the coaxial planetary gear fixed axis 13 that is provided with of the other end of axle 11, the diameter of described planetary gear fixed axis 13 less than described mould the diameter of axle, its end is provided with screw thread, described mould is consistent with the inner circle of the workpiece that is printed 10 cylindrical, described mould 10 centers be provided with diameter equal described mould the mould in the mounting flange outside the centre bore of axle 11 diameters, described mould is provided with mounting flange 14 to 10 bottom, described mould is hubbed at axle 11 in the dead eye of described indexing rotary table periphery by airtight bearing 15, described mould is overhanging by the back side of described indexing rotary table 20 the coaxial planetary gear fixed axis 13 of axle 11, described planetary gear 41 use keys are fixed on described planetary gear fixed axis 13, and with fastening nuts, described mould 10 be located at mould the mould in mounting flange 12 outsides on axle, and by mould the mounting flange 14 of bottom be screwed in described mould mounting flange 12 on.More die change the time, only need with mould 10 from described mould axle 11 dismountings, replacing gets final product, and need not to dismantle mould axle 11.Or described mould is 10 part the fixed die of axle 11 axis of cone, and the centre bore of mould handle is taper hole, adopts Morse's taper, and specific purpose tool is adopted in installation and removal, and is more quick and convenient.
Be provided with bearing holder (housing, cover) 22 in the dead eye of described indexing rotary table periphery, described mould is hubbed at axle 11 in described bearing holder (housing, cover) 22 by airtight bearing 15.
Be provided with between the output shaft 31 of described annulus ring gear holder 42 and described intermittent drive device 30 and proofread and correct bearing 32, for the axiality between the output shaft 31 that keeps described annulus ring gear holder 42 and described intermittent drive device 30, thereby make annulus ring gear 44 coaxial with output shaft 31 and the described indexing rotary table of described intermittent drive device 30.
Transmission device between described annulus ring gear 44 and described drive motors 45 is synchronous belt transmission device or gear drive.
Described air-channel system 50 is consisted of the axle moulds that are communicated with dead eye described indexing rotary table 11 centers to central siphon road 53 by being located at holder pipeline 51 on annulus ring gear holder 42, being located at the rotating disk pipeline 52 that is communicated with respectively each dead eye on indexing rotary table 20 and being located at mould, and the holder pipeline 51 on described annulus ring gear holder requires connect respectively high-pressure air source, vacuum source or connect described high-pressure air source and vacuum source by three-way change-over valve according to station.Above-mentioned each tube connector imports by the open spaces between the housing of described annulus ring gear holder 42 and intermittent drive device 30.
Rotating disk pipeline 52 on described indexing rotary table 20 is by being consisted of (seeing Fig. 4) perpendicular to the radially tracheae that is communicated with described each station dead eye 521 of described rotating disk axis and the axial tracheae 522 of the described radially tracheae 521 of connection, when indexing rotary table 20 intermittently stopped, described axial tracheae 522 was communicated with described holder pipeline 51.
Described mould the axle mould that is communicated with dead eye described indexing rotary table the center central siphon road 53, comprise be located at mould the sealed chamber 532 that forms between the center tracheae 531 at axle center, two airtight bearings 15, be located at the axle sleeve pore 533 on bearing holder (housing, cover) 22, one end of described center tracheae 531 leads to mould the outer face, the other end of center tracheae is between the sealed chamber 532 that two airtight bearings form, and described mould is provided with axle at the axle pore 534 of connection center tracheae and described sealed chamber.
the above, it is only preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet be not to limit the present invention, any those skilled in the art, within not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, any simple modification that foundation technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (8)
1. Multi-station synchronous transmission stepping protractor, comprise the indexing rotary table that is provided with a plurality of mould handles, the intermittent drive device that drives the indexing rotary table rotation, mould is characterized in that the axis of described a plurality of mould handles is parallel with the axis of described indexing rotary table to drive system and air-channel system; Described mould is drive system synchronous driving system, it comprises planetary gear, annulus ring gear holder, holder support bar, annulus ring gear, drive motors and transmission device, described annulus ring gear holder is fixed on the housing of described intermittent drive device by described holder support bar, the output shaft of described indexing rotary table and described intermittent drive device is fixed, and the transverse plane of the plane of indexing rotary table and described annulus ring gear holder is closely connected; The circumference of described indexing rotary table upper periphery is provided with a plurality of dead eyes, described a plurality of mould is axle being hubbed in the dead eye of described indexing rotary table periphery by mould, described mould sets firmly described planetary gear to the other end of axle, described annulus ring gear is hubbed at the periphery of described annulus ring gear holder by bearing, and with all planetary gear engagements, described annulus ring gear connects described drive motors by transmission device.
2. Multi-station synchronous transmission stepping protractor according to claim 1, it is characterized in that described mould is provided with mould to an end of axle mounting flange, described mould has distance to mounting flange and described end, described mould is the coaxial planetary gear fixed axis that is provided with of the other end of axle, the diameter of described planetary gear fixed axis less than described mould the diameter of axle, its end is provided with screw thread, the cylindrical of described mould handle is consistent with the inner circle of the workpiece that is printed, described mould the center be provided with diameter equal described mould the mould in the mounting flange outside the centre bore of shaft diameter, the bottom of described mould handle is provided with mounting flange, described mould is hubbed at axle in the dead eye of described indexing rotary table periphery by airtight bearing, described mould is overhanging by the back side of described indexing rotary table the coaxial planetary gear fixed axis of axle, described planetary gear is fixed on described planetary gear fixed axis with key, and with fastening nuts, described mould be located at mould the mould in the mounting flange outside on axle, described mould the mounting flange of bottom be screwed in described mould mounting flange on, or
Described mould is the part of the fixed die handle of axle the axis of cone, and the centre bore of mould handle is taper hole, adopts Morse's taper to coordinate and installs.
3. Multi-station synchronous transmission stepping protractor according to claim 2 is characterized in that being provided with bearing holder (housing, cover) in the dead eye of described indexing rotary table periphery, and described mould is hubbed at axle in described bearing holder (housing, cover) by airtight bearing.
4. Multi-station synchronous transmission stepping protractor according to claim 1 is characterized in that being provided with the correction bearing between the output shaft of described annulus ring gear holder and described intermittent drive device.
5. Multi-station synchronous transmission stepping protractor according to claim 1, is characterized in that the transmission device between described annulus ring gear and described drive motors is synchronous belt transmission device or gear drive.
6. Multi-station synchronous transmission stepping protractor according to claim 1, it is characterized in that described air-channel system is consisted of the axle mould that is communicated with dead eye described indexing rotary table the center to the central siphon road by being located at holder pipeline on annulus ring gear holder, being located at the rotating disk pipeline that is communicated with respectively each dead eye on indexing rotary table and being located at mould, the holder pipeline on described annulus ring gear holder requires connect respectively high-pressure air source, vacuum source or connect described high-pressure air source and vacuum source by three-way change-over valve according to station.
7. Multi-station synchronous transmission stepping protractor according to claim 6, it is characterized in that the rotating disk pipeline on described indexing rotary table is by being consisted of perpendicular to the radially tracheae that is communicated with described each station dead eye of described rotating disk axis and the axial tracheae of the described radially tracheae of connection, when described indexing rotary table intermittently stops, described axial tracheae and described holder pipeline connection.
8. Multi-station synchronous transmission stepping protractor according to claim 6, it is characterized in that described mould the axle mould that is communicated with dead eye described indexing rotary table the center the central siphon road, comprise be located at mould the sealed chamber that forms between the center tracheae at axle center, two airtight bearings, be located at the axle sleeve pore on bearing holder (housing, cover), one end of described center tracheae leads to mould the outer face, the other end of center tracheae is between the sealed chamber that two airtight bearings form, and described mould is provided with axle at the axle pore of connection center tracheae and described sealed chamber.
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| CN 201110006458 CN102267281B (en) | 2011-01-05 | 2011-01-05 | Multi-station synchronous transmission step indexer of curved surface printing machine |
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| CN102991102A (en) * | 2012-11-29 | 2013-03-27 | 苏州一致电子制程有限公司 | Multi-station working plate |
| CN109396720B (en) * | 2018-11-29 | 2024-04-23 | 中国工程物理研究院机械制造工艺研究所 | Multi-station vacuum welding table |
| CN111845047B (en) * | 2020-07-02 | 2022-03-11 | 浙江凯耀照明有限责任公司 | Automatic lamp roll printing device |
| CN113733736B (en) * | 2021-09-02 | 2023-01-10 | 浙江台丽包装有限公司 | Printing transfer structure of plastic cup printing machine |
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