CN103481656B - A kind of die-cutting gold-stamping motor platform drive unit - Google Patents
A kind of die-cutting gold-stamping motor platform drive unit Download PDFInfo
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- CN103481656B CN103481656B CN201310319770.8A CN201310319770A CN103481656B CN 103481656 B CN103481656 B CN 103481656B CN 201310319770 A CN201310319770 A CN 201310319770A CN 103481656 B CN103481656 B CN 103481656B
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Abstract
The invention discloses a kind of die-cutting gold-stamping motor platform drive unit, comprise at least two the sub-drive units be symmetricly set between described moving platform and described die-cutting gold-stamping machine base; Each described sub-drive unit includes center cams mechanism, the first return idler, the second return idler, and the second upper elbow lever that two ends are rotationally connected with the first upper elbow lever of moving platform and the first return idler respectively, two ends are rotationally connected with moving platform and the second return idler respectively, two ends are rotationally connected with the second lower elbow lever that the first lower elbow lever of described die-cutting gold-stamping machine base and the first return idler and two ends are rotationally connected with described die-cutting gold-stamping machine base and the second return idler respectively respectively; Described first return idler and the second return idler contact with the outer peripheral face of described center cams mechanism all the time; Described every sub-drive unit all also comprises auxiliary return mechanism, for applying a downward power when described moving platform rises to extreme higher position to described moving platform.
Description
Technical field
The present invention relates to Postpress and Print Finishing technical field, refer to a kind of die-cutting gold-stamping motor platform drive unit especially.
Background technology
Due to developing rapidly of packages printing industry, Packaging Industry improves day by day to the performance requirement that Postpress and Print Finishing comprises die-cutting gold-stamping machine, not only improves the production required precision of equipment, requires also to significantly improve to the production efficiency of equipment.Current die-cutting machine drives and adopts crankshaft connecting rod system to drive elbow-bar mechanism thus drive the die-cutting device that cross cutting platform moves back and forth, its service behaviour especially quality of production is restricted to a great extent, this is mainly because bent axle--linkage cannot ensure that moving platform has enough dwell times when peak cross cutting, and the speed of production of therefore domestic at present flat crushing flat auto dir cutting hot stamping machine is limited by this technical bottleneck always.
Due to the particular/special requirement of belling and hot stamping explained hereafter, electrochemical aluminum foil needs can transfer on paper surface through the suitable dwell time under high-temperature and high-pressure conditions, dwell time is too short, and cannot ensure integrality and the adhesion strength of thermoprint, the dwell time is long, can cause that aluminium foil is burnt becomes waste product.Therefore the bent axle of current domestic employing--linkage drives cross cutting platform to complete the automatic die cutter of above-mentioned technique, speed of production cannot break through 8000/hour always, and incorporate on the equipment of gold stamping function on cross cutting function basis, the impact that speed of production can be subject to belling especially, hot stamping process requires of machine.
With reference to accompanying drawing 1, it is the structural representation of bent axle-linkage driving moving platform that prior art adopts.
Described bent axle--bar-link drive is by upper elbow lever 102, lower elbow lever 103, connecting rod 105, component such as bent axle 104 grade forms, bent axle 104 is as power input shaft, by rotarily driving connecting rod 105 and upper elbow lever 102, lower elbow lever 103 moves, thus moving platform 101 is pumped, due to linkage cannot realize moving platform in die cutting operation position quiet and secluded only a period of time, therefore be all by adding long connecting rod 105 in actual applications, when making platform be positioned at peak, bent axle 104 and connecting rod 105 are just in time positioned at dead-centre position, pressurize effect is completed by the large pressure carry-over factor at dead point, but this method can cause load suffered by elbow-bar mechanism too concentrated, the strength of materials requires higher, affect equipment performance stability and service life.
Summary of the invention
In view of this, the object of the invention is to propose a kind of die-cutting gold-stamping motor platform drive unit, its product quality is higher, and improves production efficiency to a certain extent.
Based on above-mentioned purpose a kind of die-cutting gold-stamping motor platform drive unit provided by the invention, it is characterized in that, comprise at least two the sub-drive units be symmetricly set between described moving platform and described die-cutting gold-stamping machine base; Each described sub-drive unit includes center cams mechanism, the first return idler, the second return idler, and the second upper elbow lever that two ends are rotationally connected with the first upper elbow lever of moving platform and the first return idler respectively, two ends are rotationally connected with moving platform and the second return idler respectively, two ends are rotationally connected with the second lower elbow lever that the first lower elbow lever of described die-cutting gold-stamping machine base and the first return idler and two ends are rotationally connected with described die-cutting gold-stamping machine base and the second return idler respectively respectively; Described first return idler and the second return idler contact with the outer peripheral face of described center cams mechanism all the time, make when described center cams mechanism time rotational, described first return idler and the second return idler move reciprocatingly because of the change with described center cams mechanism outer peripheral face contact site, and by driving described first upper elbow lever, the first lower elbow lever, the second upper elbow lever, the second lower elbow lever reciprocally swinging thus drive described moving platform to pump; Described every sub-drive unit all also comprises auxiliary return mechanism, for applying a downward power when described moving platform rises to extreme higher position to described moving platform.
Preferably, described center cams mechanism comprises driving shaft, center cams; Described center cams is oval cam, or by the cam set that two form in 180 ° of disk cams arranged; Described first return idler and the second return idler contact with the outer peripheral face of described oval cam or cam set all the time, make when described oval cam or cam set by described drive shaft and rotate around it time, described first return idler and the second return idler move reciprocatingly and by described first upper elbow lever, the first lower elbow lever, the second upper elbow lever, the second lower elbow lever reciprocally swinging thus drive described moving platform to pump.
Preferably, the described shape by two disk cams in two cam set formed in 180 ° of disk cams arranged is avette.
Optionally, it is characterized in that, the spacing range between described two disk cams is 0-200mm; And/or the thickness range of described two disk cams is 30-60mm.
Preferably, when described moving platform is positioned at extreme higher position, the outer angle that described first upper elbow lever and the first lower elbow lever are formed is less than 180 °, and the outer angle that described second upper elbow lever and the second lower elbow lever are formed also is less than 180 °.
Preferably, the outer peripheral face of described center cams mechanism is provided with groove, and described first return idler and the second return idler to be all stuck in described groove and to contact with this groove floor.
Preferably, described auxiliary return mechanism comprises and is arranged on the first spring link mechanism below described center cams and the second spring link mechanism; Described first spring link mechanism comprises the first spring and the first spring swinging rod, the two ends of described first spring are fixedly connected with described die-cutting gold-stamping machine base one end with described first spring swinging rod respectively, and the other end of described first spring swinging rod is fixedly connected with described first lower elbow lever lower end; Described second spring link mechanism comprises the second spring and the second spring swinging rod, the two ends of described second spring are fixedly connected with described die-cutting gold-stamping machine base one end with described second spring swinging rod respectively, and the other end of described second spring swinging rod is fixedly connected with described second lower elbow lever lower end; When described moving platform rises, described first lower elbow lever and described second lower elbow lever will drive described first spring swinging rod and described second spring swinging rod described first spring of compression and described second spring, an elastic force will be applied to described first spring swinging rod and described second spring swinging rod after described first spring and described second spring are compressed, and be converted into the downward pulling force to described moving platform by described first lower elbow lever and described second lower elbow lever.
Preferably, the tie point place of described first lower elbow lever and the first spring swinging rod is provided with the first rotating shaft, makes described first lower elbow lever and any one of the first spring swinging rod when described first axis of rotation, another root all can be driven to rotate around it; The tie point place of described second lower elbow lever and the second spring swinging rod is provided with the second rotating shaft, makes described second lower elbow lever and any one of the second spring swinging rod when described second axis of rotation, another root all can be driven to rotate around it; When described moving platform is in extreme lower position, described first spring and described second spring are all in non-confined state and described first spring swinging rod and described second spring swinging rod are all in vertical position; When described moving platform is in extreme higher position, described first spring and described second spring compression degree all reach maximum.
Optionally, described first spring link mechanism and described second spring link mechanism also comprise the first screw rod for preventing spring pressurized from ejecting and the second screw rod respectively; Described first screw rod and the second screw rod are each passed through described first spring and the second spring; And/or described first spring and the second spring outside are also enclosed with the first sleeve for preventing spring pressurized from ejecting and the second sleeve respectively.
Optionally, the difference range of described first turn footpath and described first sleeve diameter and the difference range of described second turn footpath and described second sleeve diameter are 5-25mm; The compressible portion of described first spring and described second spring is longer than respectively by described first sleeve and described second sleeve.
As can be seen from above, flat crushing flat auto dir cutting hot stamping machine moving platform drive unit provided by the invention, the driving having come the driven running roller in both sides by utilizing center cams mechanism, it is made to move back and forth to drive described toggle link to swing, thus realize pumping of moving platform, operating efficiency is significantly improved, reduces production cost.
Further, the requirement of longer dwell time is needed according to die-cutting gold-stamping technique, utilize the change of center cams outline line, mainly the far section of stopping of center cams has the microradian of certain length, make when the contact position of center cams and return idler is in this microradian the initial segment, described moving platform is positioned at highest order; Thus when return idler passes by cam microradian this section, moving platform is in highest order all the time, then ensure that the longer dwell time, makes d ie cutting press more concentrated, improves die-cutting gold-stamping quality.
Meanwhile, described center cams drives both sides toggle link simultaneously, effective mean allocation load, increases part service life.
Described drive unit is also creationary employs auxiliary return mechanism, utilizes the screen resilience of spring to assist the decline return of moving platform, improves operating efficiency, make its economic benefit higher; Further, can also be that interval paper feed distributes the sufficient working time according to spring performance, increase work efficiency.Further, the spring outwards of described spring link mechanism is surrounded by sleeve and/or inside arranges screw rod, and prevent spring pressurized from ejecting, security performance is higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of bent axle-linkage driving moving platform that prior art adopts;
Fig. 2 is the structural representation of one of them sub-drive unit of described drive unit when die-cutting gold-stamping motor platform that the embodiment of the present invention provides is positioned at extreme higher position;
Fig. 3 is the structural representation of one of them sub-drive unit of described drive unit when die-cutting gold-stamping motor platform that the embodiment of the present invention provides is positioned at extreme lower position;
Fig. 4 is the structural representation of the cam set of one of them sub-drive unit of die-cutting gold-stamping motor platform drive unit in the top view of Fig. 2.
Fig. 5 is the structural representation of the Liang Ge spring link mechanism of one of them sub-drive unit of die-cutting gold-stamping motor platform drive unit in the top view of Fig. 3.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
An embodiment provides a kind of die-cutting gold-stamping motor platform drive unit, comprise at least two the sub-drive units be symmetricly set between described moving platform and described die-cutting gold-stamping machine base, each described sub-drive unit includes center cams mechanism, described center cams mechanism comprises driving shaft, center cams, be positioned at the first return idler and second return idler of cam both sides, and two ends are rotationally connected with the first upper elbow lever of moving platform and the first return idler respectively, two ends are rotationally connected with the second upper elbow lever of moving platform and the second return idler respectively, two ends are rotationally connected with the second lower elbow lever that the first lower elbow lever of described die-cutting gold-stamping machine base and the first return idler and two ends are rotationally connected with described die-cutting gold-stamping machine base and the second return idler respectively respectively, described center cams is oval cam, or by the cam set that two form in 180 ° of disk cams arranged, described first return idler and the second return idler contact with the outer peripheral face of described oval cam or cam set all the time, make when described oval cam or cam set by described drive shaft and rotate around it time, described first return idler and the second return idler move reciprocatingly and by described first upper elbow lever, the first lower elbow lever, the second upper elbow lever, the second lower elbow lever reciprocally swinging thus drive described moving platform to pump, described every sub-drive unit all also comprises auxiliary return mechanism, for applying a downward power when described moving platform rises to extreme higher position to described moving platform.
As can be seen from embodiment above, flat crushing flat auto dir cutting hot stamping machine moving platform drive unit provided by the invention, the driving having come both sides return idler by utilizing center cams mechanism, it is made to move back and forth to drive described toggle link to swing, thus realize pumping of moving platform, operating efficiency is significantly improved, reduces production cost.
Further, the requirement of longer dwell time is needed according to die-cutting gold-stamping technique, utilize the change of center cams outline line, mainly the far section of stopping of center cams has the microradian of certain length, make when the contact position of center cams and return idler is in this microradian the initial segment, described moving platform is positioned at highest order; Thus when return idler passes by cam microradian this section, moving platform is in highest order all the time, then ensure that the longer dwell time, makes d ie cutting press more concentrated, improves die-cutting gold-stamping quality.
Meanwhile, described center cams drives both sides toggle link simultaneously, effective mean allocation load, increases part service life.
It should be noted that, in the embodiment of the present invention, the statement of all uses " first " and " second " is all the parameters in order to the entity or non-equal distinguishing two same names non-equal, visible " first " " second " convenience only in order to state, should not be construed as the restriction to the embodiment of the present invention, subsequent embodiment illustrates no longer one by one to this.
Described die-cutting gold-stamping motor platform drive unit, comprise at least two the sub-drive units be symmetricly set between described moving platform and described die-cutting gold-stamping machine base, preferably two, be separately positioned on the below at moving platform two ends, two sub-drive units can be arranged by specular, or Central Symmetry (that is, horizontally rotated by one of them sub-drive unit after 180 ° and arrange and the symmetric relation of formation) is arranged.
With reference to accompanying drawing 2 and accompanying drawing 3, the structural representation of one of them sub-drive unit of described drive unit when the die-cutting gold-stamping motor platform that being respectively the embodiment of the present invention provides is positioned at extreme higher position and extreme lower position; With reference to accompanying drawing 4, for one of them the sub-drive unit of die-cutting gold-stamping motor platform drive unit in the top view of Fig. 2 the structural representation of cam set.
Described each described sub-drive unit includes center cams mechanism, described center cams mechanism comprises driving shaft 206, center cams, be positioned at the first return idler 207 and the second return idler 208 of cam both sides, and two ends are rotationally connected with the first upper elbow lever 209 of moving platform 201 and the first return idler 207 respectively, two ends are rotationally connected with the second upper elbow lever 210 of moving platform 201 and the second return idler 208 respectively, two ends are rotationally connected with the second lower elbow lever 212 that the first lower elbow lever 211 of described die-cutting gold-stamping machine base 213 and the first return idler 207 and two ends are rotationally connected with described die-cutting gold-stamping machine base 213 and the second return idler 208 respectively respectively, described center cams is arranged on described driving shaft 206.Further, described first upper elbow lever 209 and the first axle bed 202 are rotationally connected, and described first axle bed 202 is fixed on described moving platform 201 lower surface; Described second upper elbow lever 210 and the second axle bed 203 are rotationally connected, and described second axle bed 203 is fixed on described moving platform 201 lower surface.
Described center cams is the cam set be made up of the first disk cam 204 arranged in 180 ° and the second disk cam 205, described first disk cam 204 and the second disk cam 205 are one in front and one in back arranged on described driving shaft 206, keep certain distance therebetween; Described first return idler 207 and the second return idler 208 contact with the outer peripheral face of described first disk cam 204 and the second disk cam 205 all the time, make when described cam set to be driven by described driving shaft 206 and rotates around it, described first return idler 207 and the second return idler 208 move reciprocatingly and drive described moving platform 201 to pump by described first upper elbow lever 209, first lower elbow lever 211, second upper elbow lever 210, second lower elbow lever 212 reciprocally swinging.
Preferably, the shape of described first disk cam 204 and the second disk cam 205 is avette, is preferably egg shape; The far section of stopping of described two disk cams has the microradian of certain length.Certainly, described cam also can be designed to other shapes, as long as ensure when moving platform 201 is positioned at extreme higher position, described return idler will be passed by a microradian, to ensure gold stamping dwell time long enough.
Optionally, the spacing range between described two disk cams is 0-200mm; Preferably, described spacing is 0 ~ 100mm or 100 ~ 200mm, and preferably, described spacing is 100mm.
Optionally, the thickness range of described two disk cams is 30-60mm; Preferably, described thickness is 50mm.Described driving shaft 206 is connected by key with described first disk cam 204 and the second disk cam 205, rotates for driving described first disk cam 204 and the second disk cam 205.
Preferably, when described moving platform 201 is positioned at extreme higher position, the outer angle that described first upper elbow lever 209 and the first lower elbow lever 211 are formed is less than 180 ° (with reference to accompanying drawing 2, the i.e. left side angle that formed of the first upper elbow lever 209 and the first lower elbow lever 211), the outer angle that described second upper elbow lever 210 and the second lower elbow lever 212 are formed also is less than 180 ° (with reference to accompanying drawings 2, i.e. the right side angle that formed of the second upper elbow lever 210 and the second lower elbow lever 212).
Optionally, the outer peripheral face of described center cams mechanism is provided with groove, and described first return idler and the second return idler to be all stuck in described groove and to contact with this groove floor.Preferably, the outer peripheral face of described first disk cam 204 and the second disk cam 205 is provided with groove, and described first return idler and the second return idler all correspondence to be stuck in described groove and to contact with this groove floor.
Preferably, described driving shaft 206 is connected by key with described first disk cam 204 and the second disk cam 205, rotates for driving described first disk cam 204 and the second disk cam 205.
With reference to accompanying drawing 2,3,5, further, described every sub-drive unit all also comprises auxiliary return mechanism; Described auxiliary return mechanism comprises and is arranged on the first spring link mechanism below described center cams and the second spring link mechanism.Described first spring link mechanism comprises the first spring 214 and the first spring swinging rod 216, the two ends of described first spring 214 are fixedly connected with described die-cutting gold-stamping machine base 213 one end with described first spring swinging rod 216 respectively, and the other end of described first spring swinging rod 216 is fixedly connected with described first lower elbow lever 211 lower end; Described second spring link mechanism comprises the second spring 215 and the second spring swinging rod 217, the two ends of described second spring 215 are fixedly connected with described die-cutting gold-stamping machine base 213 one end with described second spring swinging rod 217 respectively, and the other end of described second spring swinging rod 217 is fixedly connected with described second lower elbow lever 212 lower end.
Each described sub-drive unit includes two described spring link mechanisms, namely two described sub-drive units are comprised for the preferred embodiments of the present invention, with reference to accompanying drawing 5, each described sub-drive unit includes two described spring link mechanisms, and two described spring link mechanisms mode in a center of symmetry is arranged.
Preferably, the tie point place of described first lower elbow lever 211 and the first spring swinging rod 216 is provided with the first rotating shaft 220, makes described first lower elbow lever 211 and any one of the first spring swinging rod 216 another root all can be driven to rotate around it when described first rotating shaft 220 is rotated; The tie point place of described second lower elbow lever 212 and the second spring swinging rod 217 is provided with the second rotating shaft 221, makes described second lower elbow lever 212 and any one of the second spring swinging rod 217 another root all can be driven to rotate around it when described second rotating shaft 221 is rotated.
When moving platform 201 is positioned at extreme lower position (with reference to accompanying drawing 3), described first spring 214 and described second spring 215 are in non-confined state, and now described first spring swinging rod 216 and described second spring swinging rod 217 are in vertical position.When described moving platform 201 is positioned at extreme higher position (with reference to accompanying drawing 2), the compression degree of described first spring 214 and described second spring 215 is maximum, namely complete compressive state or the close state compressed completely is in, now, described first spring 214 and described second spring 215 will apply an elastic force to described first spring swinging rod 216 and described second spring swinging rod 217 respectively, and are converted into the downward pulling force to described moving platform 201 by described first lower elbow lever 211 and described second lower elbow lever 212.Detailed process is: when described moving platform 201 rises, described first lower elbow lever 211 and described second lower elbow lever 212 compress described first spring 214 and described second spring 215 by driving described first spring swinging rod 216 and described second spring swinging rod 217 respectively, when moving platform 201 moves to extreme higher position, described first spring 214 and described second spring 215 are all compressed to and are in complete compressive state or close to complete compressive state, now the elastic force of described first spring 214 and described second spring 215 is converted into downward pulling force to described moving platform by described first lower elbow lever 211 and described second lower elbow lever 212, described moving platform 201 is pulled downwardly back, thus complete moving downward of moving platform 201.After described first spring 214 and described second spring 215 are fully compressed, the elastic force of generation, by maximum, can ensure the effect of auxiliary return.When described moving platform 201 is in extreme lower position, described first spring swinging rod 216 and described second spring swinging rod 217 are all in vertical position, the installation of two described spring link mechanisms can be facilitated to locate, and the synchronism of work, promote operating efficiency and the precision of whole device further.
Preferably, described first spring link mechanism and described second spring link mechanism also comprise the first screw rod (not shown) for preventing spring pressurized from ejecting and the second screw rod (not shown) respectively; Described first screw rod and the second screw rod are each passed through described first spring 214 and the second spring 215; And/or described first spring 214 and described second spring 215 outside are also enclosed with the first sleeve 219 and the second sleeve 218 for preventing spring pressurized from ejecting respectively.
Optionally, described first spring 214 encloses the difference range that the difference range of footpath and described first sleeve 219 internal diameter and described second spring 215 enclose footpath and described second sleeve 218 internal diameter and is 5-25mm; Preferably, described first spring 214 encloses the difference that the difference range of footpath and described first sleeve 219 internal diameter and described second spring 215 enclose footpath and described second sleeve 218 internal diameter and is 15mm.
Optionally, the compressible portion of described first spring 214 and described second spring 215 is longer than respectively by described first sleeve 219 and described second sleeve 218; Preferably, described first sleeve 219 and described second sleeve 218 50mm longer than the compressible portion of described first spring 214 and described second spring 215 respectively.The compressible part that spring is longer than by sleeve can farthest realize preventing spring by compression and the effect of ejection.
The structure being only a sub-drive unit of drive unit described in the present embodiment shown by described accompanying drawing 2,3,4, described drive unit at least needs to arrange two, lays respectively at described moving platform 201 two ends, could realize the driving to whole moving platform 201.Certainly, also can increase as required and one or two sub-drive units are set in the middle part of moving platform, also can realize object of the present invention.
The course of work of described flat-press flat-die cutting stamping moving platform drive unit is as follows:
The motor of described die-cutting gold-stamping machine drives described driving shaft 206 to rotate, and driving shaft 206 drives described first disk cam 204 and the second disk cam 205 to rotate; Because described first return idler 207 and the second return idler 208 contact with the outer peripheral face of described first disk cam 204 and the second disk cam 205 respectively, therefore, when the first disk cam 204 and the second disk cam 205 rotate, the position that described first return idler 207 and the second return idler 208 contact with its outer peripheral face will change thereupon.
When described first disk cam 204 and the second disk cam 205 are from level (with reference to accompanying drawing 2) toward when vertically (with reference to accompanying drawing 3), direction was rotated, described first return idler 207 and the second return idler 208 then can be made to move to the direction near described driving shaft 206, thus drive described first upper elbow lever 209, first lower elbow lever 211, second upper elbow lever 210, second lower elbow lever 212 to swing near the direction of described driving shaft 206, thus moving platform 201 is declined.
When described first disk cam 204 and the second disk cam 205 are from when vertically (with reference to accompanying drawing 3), direction was rotated toward level (with reference to accompanying drawing 2), described first return idler 207 and the second return idler 208 then can be made to move to the direction away from described driving shaft 206, thus drive described first upper elbow lever 209, first lower elbow lever 211, second upper elbow lever 210, second lower elbow lever 212 to swing to the direction away from described driving shaft 206, thus moving platform 201 is made to increase.
So, moving up and down of a moving platform is namely completed.
In moving platform 201 uphill process, when the far section of stopping that described first return idler 207 and the second return idler 208 touch described first disk cam 204 and the second disk cam 205 has the initiating terminal of the microradian of certain length, moving platform 201 has been positioned at its extreme higher position, and start to carry out gold stamping pressure holding step, when described first return idler 207 and the second return idler 208 have passed by this microradian, then complete gold stamping, moving platform 201 starts to decline, this a period of time, be the dwell time of gold stamping process.
Further, in moving platform 201 uphill process, first lower elbow lever 211 and the second lower elbow lever 212 can drive the first spring swinging rod 216 and the second spring swinging rod 217 to swing to center cams direction, thus compression the first spring 214 and the second spring 215, until moving platform 201 is raised to extreme higher position and carries out cross cutting and gold stamping work, now the first spring 214 and the second spring 215 are fully compressed.Complete cross cutting and gold stamping after, the elastic force produced by compression due to the first spring 214 and the second spring 215 is converted into the downward pulling force to described moving platform 201 by described first lower elbow lever 211 and described second lower elbow lever 212, thus pull described moving platform 201 to decline, play auxiliary moving platform 201 and to decline the effect of return.When moving platform 201 drops to minimum point, complete a die-cutting gold-stamping.
As can be seen from above-described embodiment, flat crushing flat auto dir cutting hot stamping machine moving platform drive unit provided by the invention, the driving having come the driven running roller in both sides by utilizing center cams mechanism, it is made to move back and forth to drive described toggle link to swing, thus realize pumping of moving platform, operating efficiency is significantly improved, reduces production cost.
Further, the requirement of longer dwell time is needed according to die-cutting gold-stamping technique, utilize the change of center cams outline line, mainly the far section of stopping of center cams has the microradian of certain length, make when the contact position of center cams and return idler is in this microradian the initial segment, described moving platform is positioned at highest order; Thus when return idler passes by cam microradian this section, moving platform is in highest order all the time, then ensure that the longer dwell time, makes d ie cutting press more concentrated, improves die-cutting gold-stamping quality.
Meanwhile, described center cams drives both sides toggle link simultaneously, effective mean allocation load, increases part service life.
Preferably, when described moving platform is positioned at extreme higher position, the outer angle of described upper lower elbow lever is less than 180 °, can ensure, when moving platform is positioned at extreme higher position and needs decline return, can reduce resistance, make its return that more easily declines.
Further, the outer peripheral face of described center cams mechanism arranges groove and described first return idler and the second return idler is stuck in described groove, makes the contact between center cams mechanism and return idler more stable, is not easily shifted.
Preferably, described drive unit is also creationary employs spring link mechanism, utilizes the elastic force of spring to assist the decline return of moving platform, improves operating efficiency, make its economic benefit higher; Further, can also be that interval paper feed distributes the sufficient working time according to spring performance, increase work efficiency.Further, the spring outwards of described spring link mechanism is surrounded by sleeve and/or inside arranges screw rod, and prevent spring pressurized from ejecting, security performance is higher.
Further, when equipment respectively slide or be rotationally connected position lubricating oil inadequate time, only by moving platform deadweight and resistance that the return that declines suffers is very large, increase spring link mechanism, can ensure that moving platform can decline return as early as possible.
Simultaneously, return idler and center cams contact position is adopted to change and realize moving up and down of moving platform, instead of adopt many connecting rods of prior art to be connected to each other to realize moving up and down by pulling force, for described upper lower elbow lever, lacked by it toward the middle power pulled, make it need by external force toward pivot, increase arranges described spring link mechanism, return idler can be made more easily toward intermediary movements, thus drive described upper lower elbow lever to swing.
Described spring link mechanism is set further, increase, the stability of moving platform motion can also be increased, make it not easily swing, thus improve gold stamping quality.
Have employed two disk cams arranged in 180 ° in above-described embodiment, the advantage of design is like this that the processing of cam is more simple, more easily realizes, but does not represent and two cams can not be set to a slice oval cam, so also can reach object of the present invention; Certainly, and also it is understood that, those skilled in the art, according to the embodiment of the present invention and object of the present invention, can also improve cam face, and these improvement also should belong to protection scope of the present invention; Thus the design of the center cams mechanism in the embodiment of the present invention, should not be used for limiting the scope of the invention certainly yet.
Drive unit described in the embodiment of the present invention, is preferably applied to flat crushing flat auto dir cutting gilding press.
Those of ordinary skill in the field are to be understood that: the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a die-cutting gold-stamping motor platform drive unit, is characterized in that, comprises at least two the sub-drive units be symmetricly set between described moving platform and die-cutting gold-stamping machine base; Each described sub-drive unit includes center cams mechanism, the first return idler, the second return idler, and the second upper elbow lever that two ends are rotationally connected with the first upper elbow lever of moving platform and the first return idler respectively, two ends are rotationally connected with moving platform and the second return idler respectively, two ends are rotationally connected with the second lower elbow lever that the first lower elbow lever of described die-cutting gold-stamping machine base and the first return idler and two ends are rotationally connected with described die-cutting gold-stamping machine base and the second return idler respectively respectively; Described first return idler and the second return idler contact with the outer peripheral face of described center cams mechanism all the time, make when described center cams mechanism time rotational, described first return idler and the second return idler move reciprocatingly because of the change with described center cams mechanism outer peripheral face contact site, and by driving described first upper elbow lever, the first lower elbow lever, the second upper elbow lever, the second lower elbow lever reciprocally swinging thus drive described moving platform to pump; Described every sub-drive unit all also comprises auxiliary return mechanism, for applying a downward power when described moving platform rises to extreme higher position to described moving platform;
Described auxiliary return mechanism comprises and is arranged on the first spring link mechanism below described center cams mechanism and the second spring link mechanism; Described first spring link mechanism comprises the first spring and the first spring swinging rod, the two ends of described first spring are fixedly connected with described die-cutting gold-stamping machine base one end with described first spring swinging rod respectively, and the other end of described first spring swinging rod is fixedly connected with described first lower elbow lever lower end; Described second spring link mechanism comprises the second spring and the second spring swinging rod, the two ends of described second spring are fixedly connected with described die-cutting gold-stamping machine base one end with described second spring swinging rod respectively, and the other end of described second spring swinging rod is fixedly connected with described second lower elbow lever lower end; When described moving platform rises, described first lower elbow lever and described second lower elbow lever will drive described first spring swinging rod and described second spring swinging rod described first spring of compression and described second spring, an elastic force will be applied to described first spring swinging rod and described second spring swinging rod after described first spring and described second spring are compressed, and be converted into the downward pulling force to described moving platform by described first lower elbow lever and described second lower elbow lever.
2. drive unit according to claim 1, is characterized in that, described center cams mechanism comprises driving shaft, center cams; Described center cams is oval cam, or by the cam set that two form in 180 ° of disk cams arranged; Described first return idler and the second return idler contact with the outer peripheral face of described oval cam or cam set all the time, make when described oval cam or cam set by described drive shaft and rotate around it time, described first return idler and the second return idler move reciprocatingly and by described first upper elbow lever, the first lower elbow lever, the second upper elbow lever, the second lower elbow lever reciprocally swinging thus drive described moving platform to pump.
3. drive unit according to claim 2, is characterized in that, the described shape by two disk cams in two cam set formed in 180 ° of disk cams arranged is avette.
4. drive unit according to claim 3, is characterized in that, the spacing range between described two disk cams is 0-200mm; And/or the thickness range of described two disk cams is 30-60mm.
5. drive unit according to claim 1, it is characterized in that, when described moving platform is positioned at extreme higher position, the outer angle that described first upper elbow lever and the first lower elbow lever are formed is less than 180 °, and the outer angle that described second upper elbow lever and the second lower elbow lever are formed also is less than 180 °.
6. drive unit according to claim 1, is characterized in that, the outer peripheral face of described center cams mechanism is provided with groove, and described first return idler and the second return idler to be all stuck in described groove and to contact with this groove floor.
7. drive unit according to claim 1, it is characterized in that, the tie point place of described first lower elbow lever and the first spring swinging rod is provided with the first rotating shaft, makes described first lower elbow lever and any one of the first spring swinging rod when described first axis of rotation, another root all can be driven to rotate around it; The tie point place of described second lower elbow lever and the second spring swinging rod is provided with the second rotating shaft, makes described second lower elbow lever and any one of the second spring swinging rod when described second axis of rotation, another root all can be driven to rotate around it; When described moving platform is in extreme lower position, described first spring and described second spring are all in non-confined state and described first spring swinging rod and described second spring swinging rod are all in vertical position; When described moving platform is in extreme higher position, described first spring and described second spring compression degree all reach maximum.
8. drive unit according to claim 1, is characterized in that, described first spring link mechanism and described second spring link mechanism also comprise the first screw rod for preventing spring pressurized from ejecting and the second screw rod respectively; Described first screw rod and the second screw rod are each passed through described first spring and the second spring; And/or described first spring and the second spring outside are also enclosed with the first sleeve for preventing spring pressurized from ejecting and the second sleeve respectively.
9. drive unit according to claim 8, is characterized in that, the difference range of described first turn footpath and described first sleeve diameter and the difference range of described second turn footpath and described second sleeve diameter are 5-25mm; The compressible portion of described first spring and described second spring is longer than respectively by described first sleeve and described second sleeve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310319770.8A CN103481656B (en) | 2013-07-26 | 2013-07-26 | A kind of die-cutting gold-stamping motor platform drive unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310319770.8A CN103481656B (en) | 2013-07-26 | 2013-07-26 | A kind of die-cutting gold-stamping motor platform drive unit |
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| CN103481656A CN103481656A (en) | 2014-01-01 |
| CN103481656B true CN103481656B (en) | 2015-12-09 |
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| CN201310319770.8A Expired - Fee Related CN103481656B (en) | 2013-07-26 | 2013-07-26 | A kind of die-cutting gold-stamping motor platform drive unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107160846A (en) * | 2017-05-27 | 2017-09-15 | 东台世恒机械科技有限公司 | A kind of gold stamping machine actuating device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559399B (en) * | 2017-09-27 | 2020-05-22 | 浙江博盟精工轴承有限公司 | Cam transmission mechanism |
| CN108061137B (en) * | 2018-01-09 | 2023-07-25 | 浙江德源机电有限公司 | Double-arc-shaped connecting rod balanced cam transmission mechanism |
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|---|---|
| CN103481656A (en) | 2014-01-01 |
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