CN104875479B - Side-opening continuous screen printing device - Google Patents
Side-opening continuous screen printing device Download PDFInfo
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- CN104875479B CN104875479B CN201510307580.3A CN201510307580A CN104875479B CN 104875479 B CN104875479 B CN 104875479B CN 201510307580 A CN201510307580 A CN 201510307580A CN 104875479 B CN104875479 B CN 104875479B
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- 238000007639 printing Methods 0.000 abstract description 22
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Abstract
Description
技术领域technical field
本发明涉及印刷设备技术领域,尤其涉及一种侧开式连续丝印装置。The invention relates to the technical field of printing equipment, in particular to a side-opening continuous screen printing device.
背景技术Background technique
丝印技术已广泛的应用于各种行业,如:对塑料制品、纺织品及其他日常用品等表面进行图案或文字的印刷,已广泛的采用丝网印刷的方式,目前的丝网印刷装置一般包括丝网印版、刮印刮板、油墨、印刷台以及承印物。其基本原理是:利用丝网印版图文部分网孔透油墨,非图文部分网孔不透墨的基本原理进行印刷。印刷时在丝网印版一侧倒入油墨,用刮印刮板在丝网印版上的油墨部位施加一定压力,同时朝丝网印版另一端移动。油墨在移动中被刮板从图文部分的网孔中挤压到承印物上。由于油墨的粘性作用而使印迹固着在一定范围之内,印刷过程中刮印刮板始终与丝网印版和承印物呈线接触,接触线随刮板移动而移动,由于丝网印版与承印物之间保持一定的间隙,使得印刷时的丝网印版通过自身的张力而产生对刮板的反作用力,这个反作用力称为回弹力。由于回弹力的作用,使丝网印版与承印物只呈移动式线接触,而丝网印版其它部分与承印物为脱离状态。使油墨与丝网发生断裂运动,保证了印刷尺寸精度和避免蹭脏承印物。当刮板刮过整个版面后抬起,同时丝网印版也抬起,并将油墨轻刮回初始位置,至此为一个印刷行程。Screen printing technology has been widely used in various industries, such as: printing patterns or characters on the surface of plastic products, textiles and other daily necessities, etc., has widely adopted the method of screen printing, the current screen printing device generally includes silk screen Screen printing plates, squeegees, inks, printing tables and substrates. The basic principle is: use the basic principle of the screen printing plate to print through the ink in the mesh part of the graphic part, and impermeable to the ink in the non-graphic part of the mesh. When printing, pour ink into one side of the screen printing plate, apply a certain amount of pressure on the ink part of the screen printing plate with the scraper, and at the same time, move towards the other end of the screen printing plate. The ink is squeezed by the scraper from the mesh of the graphic part to the substrate during the movement. Due to the viscosity of the ink, the imprint is fixed within a certain range. During the printing process, the scraper is always in line contact with the screen printing plate and the substrate, and the contact line moves with the movement of the scraper. Keep a certain gap between the substrates, so that the screen printing plate during printing will generate a reaction force against the scraper through its own tension. This reaction force is called rebound force. Due to the effect of resilience, the screen printing plate and the substrate are only in moving line contact, while other parts of the screen printing plate are in a state of separation from the substrate. Make the ink and the screen break and move, ensuring the printing size accuracy and avoiding the dirty substrate. When the scraper scrapes across the entire page, it is lifted up, and the screen printing plate is also lifted up at the same time, and the ink is gently scraped back to the original position, so far it is a printing stroke.
当然,上述丝网印刷装置在对于一般的单品印刷其可以较好的完成印刷作业,但是,目前大多数的产品在制造过程中,都采用了流水线作业,其意味着,如果依然用人工等方式进行单件印刷操作,其效率远远不能跟上生产进度,另外,特别是对于布带或布料的印刷来说,由于布带或布料为连续长度,需要将布带或布料进行平铺,然后将布带或布料的一段进行印刷,然后再复位进行下一次循环,而现有的印刷装置在走台移动或印刷时,均采用平行升降的方式,即至少需采用四个气缸予以实现。这种结构的丝印刷装置不易维护,而且在更换网框时,显得相当的繁琐,有鉴于此,发明人发明了一种侧开式连续丝印装置。Of course, the above-mentioned screen printing device can better complete the printing operation for general single-product printing, but at present, most of the products use assembly line operation in the manufacturing process, which means that if still using manual etc. The efficiency of single-piece printing operation is far from keeping up with the production progress. In addition, especially for the printing of tape or cloth, since the tape or cloth is a continuous length, it is necessary to tile the tape or cloth. Then print a section of the cloth tape or cloth, and then reset for the next cycle. However, the existing printing device adopts a parallel lifting method when the table moves or prints, that is, at least four cylinders are required to realize it. The screen printing device with this structure is not easy to maintain, and it is rather cumbersome to replace the screen frame. In view of this, the inventor invented a side-opening continuous screen printing device.
发明内容Contents of the invention
本发明的目的在于针对现有技术的不足,提供一种侧开式连续丝印装置,本丝印装置具有结构简单、易于维护和使用方便的优点。The object of the present invention is to provide a side-opening continuous screen printing device for the deficiencies of the prior art. The screen printing device has the advantages of simple structure, easy maintenance and convenient use.
为实现上述目的,本发明的一种侧开式连续丝印装置,包括走台座,走台座的一侧设置有铰接机构,所述铰接机构连接有活动框座,所述活动框座设置有用于装夹丝印网框的固定装置,所述活动框座设置有可横向滑动的刮板装置,以及用于驱动所述刮板装置的第一驱动机构,所述走台座的另一侧设置有用于顶升所述活动框座的顶升机构。In order to achieve the above object, a side-opening continuous screen printing device of the present invention includes a walking platform, one side of the walking platform is provided with a hinge mechanism, and the hinge mechanism is connected with a movable frame seat, and the movable frame seat is provided with a The fixing device for clamping the screen printing screen frame, the movable frame seat is provided with a scraper device that can slide horizontally, and a first driving mechanism for driving the scraper device, and the other side of the walking platform is provided with a Raise the jacking mechanism of the movable frame seat.
进一步的,所述铰接机构包括第一铰接座、第二铰接座和调节轴,所述调节轴的一端设置有伸入第一铰接座的第一调节码,所述调节轴的另一端设置有伸入第二铰接座的第二调节码,所述第一铰接座设置有与第一调节码活动连接的第一调节螺杆,所述第二铰接座设置有与第二调节码活动连接的第二调节螺杆,所述第一铰接座、第二铰接座均与走台座固定连接,所述调节轴设置有与活动框座连接的伸出块。Further, the hinge mechanism includes a first hinge seat, a second hinge seat and an adjustment shaft, one end of the adjustment shaft is provided with a first adjustment code extending into the first hinge seat, and the other end of the adjustment shaft is provided with a Extending into the second adjustment code of the second hinge seat, the first hinge seat is provided with a first adjustment screw that is movably connected with the first adjustment code, and the second hinge seat is provided with a first adjustment screw that is movably connected with the second adjustment code. Two adjusting screw rods, the first hinged seat and the second hinged seat are fixedly connected with the walking platform seat, and the adjusting shaft is provided with a protruding block connected with the movable frame seat.
进一步的,所述固定装置包括与活动框座滑动连接的固定框,所述固定框分别设置有第一导柱和第二导柱,还包括与第一导柱和第二导柱滑动连接并用于装夹丝印网框的装夹机构,以及用于纵向调节固定框的微调机构。Further, the fixing device includes a fixed frame that is slidably connected to the movable frame seat, and the fixed frame is respectively provided with a first guide post and a second guide post, and also includes a fixed frame that is slidably connected with the first guide post and the second guide post and uses The clamping mechanism for clamping the screen printing screen frame, and the fine-tuning mechanism for longitudinally adjusting the fixed frame.
优选的是,所述装夹机构包括与第一导柱滑动连接的第一伸缩臂,及与第二导柱滑动连接的第二伸缩臂,所述第一伸缩臂和第二伸缩臂的固定端设置有固定卡座,所述第一伸缩臂和第二伸缩臂的活动端设置有活动卡座,所述固定卡座、活动卡座均设置有用于抵压丝印网框的压紧气缸。Preferably, the clamping mechanism includes a first telescopic arm slidably connected to the first guide post, and a second telescopic arm slidably connected to the second guide post, and the fixing of the first telescopic arm and the second telescopic arm The end is provided with a fixed deck, and the movable end of the first telescopic arm and the second telescopic arm is provided with a movable deck, and the fixed deck and the movable deck are both provided with a compression cylinder for pressing the screen printing screen frame.
优选的是,所述活动框座分别设置有第三导柱和第四导柱,所述固定框设置有分别与第三导柱、第四导柱滑动连接的滑套,所述微调机构包括与活动框座连接的微调座,所述微调座固定有第一伺服马达,所述第一伺服马达连接有微调螺杆,所述微调螺杆与固定框螺接,所述固定框还设置有至少一个穿过所述微调座的导向柱。Preferably, the movable frame seat is respectively provided with a third guide post and a fourth guide post, and the fixed frame is provided with a sliding sleeve which is slidably connected with the third guide post and the fourth guide post respectively, and the fine-tuning mechanism includes A fine-tuning seat connected to the movable frame seat, the fine-tuning seat is fixed with a first servo motor, the first servo motor is connected with a fine-tuning screw, and the fine-tuning screw is screwed to the fixed frame, and the fixed frame is also provided with at least one Pass through the guide post of the trimmer.
进一步的,所述刮板装置包括移动横梁,所述移动横梁的两端均设置有滑槽,所述活动框座设置有与所述滑槽滑动连接的第一滑轨和第二滑轨;所述移动横梁设置有升降座,所述升降座连接有用于涂刮丝印网框的刮刀,还包括用于驱动所述升降座的升降气缸。Further, the scraper device includes a moving beam, both ends of the moving beam are provided with slide grooves, and the movable frame is provided with a first slide rail and a second slide rail which are slidably connected with the slide grooves; The moving crossbeam is provided with an elevating seat, and the elevating seat is connected with a scraper for scraping the screen printing screen frame, and also includes an elevating cylinder for driving the elevating seat.
优选的是,所述第一驱动机构包括第二伺服马达及与第二伺服马达传动连接的变速箱,还包括分别设置于第一滑轨的两端的第一同步轮和第二同步轮,以及分别设置于第二滑轨的两端的第三同步轮和第四同步轮,所述变速箱连接有传动轴,所述传动轴与第一同步轮、第三同步轮传动连接,所述第一同步轮与第二同步轮之间设置有用于带动所述移动横梁的第一同步带,所述第三同步轮与第四同步轮之间设置有用于带动所述移动横梁的第二同步带。Preferably, the first drive mechanism includes a second servo motor and a gearbox connected to the second servo motor, and also includes a first synchronous wheel and a second synchronous wheel respectively arranged at both ends of the first slide rail, and The third synchronous wheel and the fourth synchronous wheel respectively arranged at the two ends of the second slide rail, the transmission shaft is connected with the transmission shaft, and the transmission shaft is connected with the first synchronous wheel and the third synchronous wheel. A first synchronous belt for driving the moving beam is provided between the synchronous wheel and the second synchronous wheel, and a second synchronous belt for driving the mobile beam is provided between the third synchronous wheel and the fourth synchronous wheel.
进一步的,所述顶升机构包括顶升座,所述顶升座铰接有用于举起所述活动框座的顶升气缸,所述顶升气缸设置有第一行程和第二行程,所述顶升座还设置有穿过所述活动框座的定位导柱。Further, the jacking mechanism includes a jacking seat, the jacking seat is hinged with a jacking cylinder for lifting the movable frame seat, the jacking cylinder is provided with a first stroke and a second stroke, the The jacking seat is also provided with positioning guide posts passing through the movable frame seat.
进一步的,所述走台座设置有位于活动框座的两侧的轮座,所述轮座设置有至少一个用于抵接活动框座的辅助轮。Further, the walking platform base is provided with wheel seats located on both sides of the movable frame seat, and the wheel seat is provided with at least one auxiliary wheel for abutting against the movable frame seat.
本发明的有益效果:本发明的一种侧开式连续丝印装置,包括走台座,走台座的一侧设置有铰接机构,所述走台座的另一侧设置有用于顶升所述活动框座的顶升机构;本丝印装置由于采用了侧开式结构,在维护时,利用顶升机构将活动框座的一侧进行举升,即可方便对其进行维护,在工作时,也是利用顶升机构对活动框座进行举升,从而可让走台座进行位移,以实现下一丝印工作的循环,这种侧开式结构大大精减了顶升机构的结构,机构更加简单,从而节省了制造成本,具有易控制和使用方便的优点。Beneficial effects of the present invention: a side-opening continuous screen printing device of the present invention includes a walking platform, one side of the walking platform is provided with a hinge mechanism, and the other side of the walking platform is provided with a movable frame for jacking up jacking mechanism; since the screen printing device adopts a side-opening structure, during maintenance, use the jacking mechanism to lift one side of the movable frame to facilitate its maintenance. The lifting mechanism lifts the movable frame, so that the walking platform can be displaced to realize the cycle of the next screen printing work. This side-opening structure greatly reduces the structure of the jacking mechanism, and the mechanism is simpler, thus saving The manufacturing cost has the advantages of easy control and convenient use.
附图说明Description of drawings
图1为本发明的立体图。Fig. 1 is a perspective view of the present invention.
图2为本发明的局部结构示意图。Fig. 2 is a schematic diagram of a partial structure of the present invention.
图3为本发明的主视图。Fig. 3 is a front view of the present invention.
图4为本发明的俯视图。Fig. 4 is a top view of the present invention.
图5为本发明的仰视图。Fig. 5 is a bottom view of the present invention.
图6为本发明的刮板装置的结构示意图。Fig. 6 is a schematic structural view of the scraper device of the present invention.
图7为本发明的铰接机构的结构示意图。Fig. 7 is a structural schematic diagram of the hinge mechanism of the present invention.
附图标记包括:Reference signs include:
走台座--11, 活动框座--12, 第三导柱--121,Walking platform seat--11, movable frame seat--12, third guide post--121,
第四导柱--122, 滑套--123, 轮座--13,The fourth guide post--122, sliding sleeve--123, wheel seat--13,
辅助轮--131, 铰接机构--2, 第一铰接座--21,Auxiliary wheel--131, hinged mechanism--2, the first hinged seat--21,
第二铰接座--22, 调节轴--23, 第一调节码--24,The second hinge seat--22, the adjustment shaft--23, the first adjustment code--24,
第二调节码--25, 第一调节螺杆--26, 第二调节螺杆--27,The second adjustment code--25, the first adjustment screw--26, the second adjustment screw--27,
伸出块--28, 固定装置--3, 固定框--31,Stretch out block--28, fixture--3, fixed frame--31,
第一导柱--32, 第二导柱--33, 装夹机构--34,The first guide post--32, the second guide post--33, the clamping mechanism--34,
第一伸缩臂--341, 第二伸缩臂--342, 固定卡座--343,The first telescopic arm--341, the second telescopic arm--342, the fixed deck--343,
活动卡座--344, 压紧气缸--345, 微调机构--35,Movable deck--344, compression cylinder--345, fine-tuning mechanism--35,
第一伺服马达--351, 微调螺杆--352, 导向柱--353,The first servo motor--351, fine-tuning screw rod--352, guide post--353,
刮板装置--4, 移动横梁--41, 第一滑轨--42,Scraper device--4, moving beam--41, the first slide rail--42,
第二滑轨--43, 升降座--44, 刮刀--45,The second slide rail--43, lifting seat--44, scraper--45,
升降气缸--46, 保护片—47, 第一驱动机构--5,Lifting cylinder--46, protective sheet--47, the first driving mechanism--5,
第二伺服马达--51, 第一同步轮--52, 第二同步轮--53,The second servo motor--51, the first synchronous wheel--52, the second synchronous wheel--53,
第三同步轮--54, 第四同步轮--55, 传动轴--56,The third synchronous wheel--54, the fourth synchronous wheel--55, transmission shaft--56,
第一同步带--57, 第二同步带--58, 顶升机构--6,The first synchronous belt--57, the second synchronous belt--58, the jacking mechanism--6,
顶升座--61, 顶升气缸--62, 第一行程--621,Jacking seat--61, jacking cylinder--62, first stroke--621,
第二行程--622, 定位导柱--63。Second stroke--622, positioning guide post--63.
具体实施方式detailed description
下面结合附图本发明进行详细的说明。The present invention will be described in detail below in conjunction with the accompanying drawings.
参见图1至图7,一种侧开式连续丝印装置,包括走台座11,走台座11的一侧设置有铰接机构2,所述铰接机构2连接有活动框座12,所述活动框座12设置有用于装夹丝印网框的固定装置3,所述活动框座12设置有可横向滑动的刮板装置4,以及用于驱动所述刮板装置4的第一驱动机构5,所述走台座11的另一侧设置有用于顶升所述活动框座12的顶升机构6。本丝印装置的工作原理是:走台座11安装于相应的导轨上,走台座11在移动过程中,所述顶升机构6将活动框座12升起一定的距离,使丝印网框与承印物之保持一定的间隙,当走台座11移动到位时,所述顶升机构6将活动框座12放下,使丝印网框与承印物接触,然后第一驱动机构5驱动刮板装置4在丝印网框内涂刮,从而实现对承印物的印刷作业,当需要维护或更换丝印网框时,所述顶升机构6将活动框座12的一侧举升,其举升的行程为满足能够有相应的维护操作空间即可,由此可以看出,本丝印装置由于采用了侧开式结构,在维护时,利用顶升机构6将活动框座12的一侧进行举升,即可方便对其进行维护,在工作时,也是利用顶升机构6对活动框座12进行举升,从而可让走台座11进行位移,以实现下一丝印工作的循环,这种侧开式结构大大精减了顶升机构6的结构,机构更加简单,从而节省了制造成本,相对于现有的整体举升活动框座12的结构来说,本技术方案更具有易控制和使用方便的优点。Referring to Figures 1 to 7, a side-opening continuous screen printing device includes a walking platform 11, and one side of the walking platform 11 is provided with a hinge mechanism 2, and the hinge mechanism 2 is connected with a movable frame 12, and the movable frame 12 is provided with a fixing device 3 for clamping the screen printing screen frame, the movable frame seat 12 is provided with a scraper device 4 that can slide laterally, and a first drive mechanism 5 for driving the scraper device 4, the The other side of the platform seat 11 is provided with a jacking mechanism 6 for jacking up the movable frame seat 12 . The working principle of this screen printing device is: the walking platform 11 is installed on the corresponding guide rail, and during the moving process of the walking platform 11, the lifting mechanism 6 raises the movable frame 12 by a certain distance, so that the silk screen frame and the substrate To maintain a certain gap, when the platform seat 11 moves to the position, the lifting mechanism 6 will put down the movable frame seat 12, so that the screen printing screen frame is in contact with the substrate, and then the first driving mechanism 5 drives the scraper device 4 on the screen printing screen. Scratching inside the frame, so as to realize the printing operation on the substrate, when the screen printing screen frame needs to be maintained or replaced, the lifting mechanism 6 will lift one side of the movable frame seat 12, and the lifting stroke is enough to satisfy The corresponding maintenance operation space is enough. It can be seen from this that since the screen printing device adopts a side-opening structure, during maintenance, one side of the movable frame seat 12 is lifted by the jacking mechanism 6, which can facilitate the maintenance. For maintenance, when working, the lifting mechanism 6 is also used to lift the movable frame seat 12, so that the walking platform 11 can be displaced to realize the cycle of the next silk screen printing work. This side-opening structure greatly reduces the The structure of the jacking mechanism 6 is improved, and the mechanism is simpler, thereby saving manufacturing costs. Compared with the structure of the existing integral lifting movable frame seat 12, this technical solution has the advantages of easy control and convenient use.
在本技术方案中,所述铰接机构2包括第一铰接座21、第二铰接座22和调节轴23,所述调节轴23的一端设置有伸入第一铰接座21的第一调节码24,所述调节轴23的另一端设置有伸入第二铰接座22的第二调节码25,所述第一铰接座21设置有与第一调节码24活动连接的第一调节螺杆26,所述第二铰接座22设置有与第二调节码25活动连接的第二调节螺杆27,所述第一铰接座21、第二铰接座22均与走台座11固定连接,所述调节轴23设置有与活动框座12连接的伸出块28。为了使所述活动框座12在单侧开合时,本铰接机构2设置于走台座11和活动框座12的外侧,避免对承印物造成干涉,而且,针对不同厚度的承印物,例如不同厚度的布带及其布料,可以对第一调节码24、第二调节码25进行调节,从而使其适用不同厚度的承印物印刷。In this technical solution, the hinge mechanism 2 includes a first hinge seat 21, a second hinge seat 22 and an adjustment shaft 23, and one end of the adjustment shaft 23 is provided with a first adjustment code 24 extending into the first hinge seat 21 , the other end of the adjustment shaft 23 is provided with a second adjustment code 25 extending into the second hinged seat 22, and the first hinged seat 21 is provided with a first adjustment screw 26 that is movably connected with the first adjustment code 24, so The second hinged seat 22 is provided with a second adjustment screw 27 that is movably connected with the second adjustment code 25, the first hinged seat 21 and the second hinged seat 22 are fixedly connected with the walking platform seat 11, and the adjustment shaft 23 is set The protruding piece 28 that is connected with movable frame seat 12 is arranged. In order to make the movable frame base 12 open and close on one side, the hinge mechanism 2 is arranged on the outside of the platform base 11 and the movable frame base 12, so as to avoid interference with the substrate. Moreover, for substrates of different thicknesses, for example, different The thickness of the cloth tape and its cloth can adjust the first adjustment code 24 and the second adjustment code 25, so that it is suitable for printing on substrates of different thicknesses.
在本技术方案中,所述固定装置3包括与活动框座12滑动连接的固定框31,所述固定框31分别设置有第一导柱32和第二导柱33,还包括与第一导柱32和第二导柱33滑动连接并用于装夹丝印网框的装夹机构34,以及用于纵向调节固定框31的微调机构35。所述与活动框座12滑动连接的固定框31是指,所述固定框31在活动框座12内实现纵向滑动,其纵向滑动的目的在于方便调节其固定框31的位置,也就是说当固定框31装夹有丝印网框时,对丝印网框的位置调整。In this technical solution, the fixing device 3 includes a fixed frame 31 slidingly connected with the movable frame seat 12, and the fixed frame 31 is respectively provided with a first guide post 32 and a second guide post 33, and also includes a The post 32 and the second guide post 33 are slidably connected and are used for a clamping mechanism 34 for clamping the screen printing screen frame, and a fine-tuning mechanism 35 for longitudinally adjusting the fixed frame 31 . The fixed frame 31 slidingly connected with the movable frame seat 12 means that the fixed frame 31 realizes longitudinal sliding in the movable frame seat 12, and the purpose of its longitudinal sliding is to facilitate the adjustment of the position of the fixed frame 31, that is to say, when When the fixed frame 31 is clamped with a screen printing screen frame, the position of the screen printing screen frame is adjusted.
进一步的,所述装夹机构34包括与第一导柱32滑动连接的第一伸缩臂341,及与第二导柱33滑动连接的第二伸缩臂342,所述第一伸缩臂341和第二伸缩臂342的固定端设置有固定卡座343,所述第一伸缩臂341和第二伸缩臂342的活动端设置有活动卡座344,所述固定卡座343、活动卡座344均设置有用于抵压丝印网框的压紧气缸345。所述第一伸缩臂341、第二伸缩臂342可以根据不同的丝印网框的长度进行伸缩调节,以便于将丝印网框装设于活动卡座344,在丝印网框的实际安装过程中,当把丝印网框安装于活动卡座344和固定卡座343后,再利用压装气缸将丝印网框紧紧的抵压,从而实现可靠的固定。Further, the clamping mechanism 34 includes a first telescopic arm 341 slidably connected to the first guide post 32, and a second telescopic arm 342 slidably connected to the second guide post 33, the first telescopic arm 341 and the second telescopic arm 341 are The fixed ends of the two telescopic arms 342 are provided with a fixed deck 343, and the movable ends of the first telescopic arm 341 and the second telescopic arm 342 are provided with a movable deck 344, and the fixed deck 343 and the movable deck 344 are all provided with There is a compression cylinder 345 for pressing the screen printing screen frame. The first telescopic arm 341 and the second telescopic arm 342 can be telescopically adjusted according to the length of different screen printing screen frames, so that the screen printing screen frame is installed on the movable deck 344. In the actual installation process of the screen printing screen frame, After the screen printing screen frame is installed on the movable deck 344 and the fixed deck 343, the screen printing screen frame is tightly pressed against the screen printing screen frame by a press-fitting cylinder, thereby realizing reliable fixing.
在实际使用中,往往需要对丝印网框进行微调,从而使丝印网框上的印刷图案正确的印刷于承印物表面,为了方便调节,所述活动框座12分别设置有第三导柱121和第四导柱122,所述固定框31设置有分别与第三导柱121、第四导柱122滑动连接的滑套123,所述微调机构35包括与活动框座12连接的微调座,所述微调座固定有第一伺服马达351,所述第一伺服马达351连接有微调螺杆352,所述微调螺杆352与固定框31螺接,所述固定框31还设置有至少一个穿过所述微调座的导向柱353。当需要进行微调时,所述第一伺服马达351驱动微调螺杆352,由于微调螺杆352与固定框31螺接,所以微调螺杆352的旋转,进一步的就会将固定框31进行纵向的前后位移,也就是使固定框31沿着第一导柱32、第四导柱122进行移动,这种纵向的移动大大提高了丝印时的对版效率。In actual use, it is often necessary to fine-tune the screen printing frame so that the printing pattern on the screen printing frame can be correctly printed on the surface of the substrate. In order to facilitate adjustment, the movable frame seat 12 is respectively provided with a third guide post 121 and The fourth guide post 122, the fixed frame 31 is provided with a sliding sleeve 123 that is slidably connected to the third guide post 121 and the fourth guide post 122 respectively, and the fine-tuning mechanism 35 includes a fine-tuning seat connected to the movable frame seat 12. The fine-tuning seat is fixed with a first servo motor 351, and the first servo motor 351 is connected with a fine-tuning screw 352, and the fine-tuning screw 352 is screwed with the fixed frame 31, and the fixed frame 31 is also provided with at least one The guide post 353 of the trimmer. When fine-tuning is required, the first servo motor 351 drives the fine-tuning screw 352. Since the fine-tuning screw 352 is screwed to the fixed frame 31, the rotation of the fine-tuning screw 352 will further move the fixed frame 31 longitudinally forward and backward. That is, the fixed frame 31 is moved along the first guide post 32 and the fourth guide post 122 , and this longitudinal movement greatly improves the plate registration efficiency during silk screen printing.
由于丝网印刷需要相应的刮片对网版进行涂刮,在本技术方案中,所述刮板装置4包括移动横梁41,所述移动横梁41的两端均设置有滑槽,所述活动框座12设置有与所述滑槽滑动连接的第一滑轨42和第二滑轨43;所述移动横梁41设置有升降座44,所述升降座44连接有用于涂刮丝印网框的刮刀45,还包括用于驱动所述升降座44的升降气缸46。本装置的工作原理是:所述升降气缸46驱动升降座44向下移动,刮刀45与丝印网接触,然后在第第一驱动机构5的作用下,实现横向的涂刮,其每运动一次即实现一次印刷,当印刷完成后,利用升降气缸46驱动升降座44上行,使刮刀45与丝印网分离,另外,由于在印刷时,丝印网框的上方会容置一定量的油墨,由于刮刀45一般由软质硅胶等制成,当太多的油墨积聚时,这样就容易影响刮刀45的正常涂刮,所以,作为优选的是,所述刮刀45的一侧还设置有用于保护片47,当大量油墨积聚时,在刮刀45的移动过程中,保护片47对积聚过量的油墨进行阻挡,避免较多的油墨造成刮刀45的变形。Since screen printing requires a corresponding scraper to scrape the screen, in this technical solution, the scraper device 4 includes a moving beam 41, and both ends of the moving beam 41 are provided with chutes, and the movable The frame seat 12 is provided with a first slide rail 42 and a second slide rail 43 which are slidably connected with the chute; the moving beam 41 is provided with a lifting seat 44, and the lifting seat 44 is connected with a frame for scraping the screen printing screen. The scraper 45 also includes a lifting cylinder 46 for driving the lifting seat 44 . The working principle of this device is: the lifting cylinder 46 drives the lifting seat 44 to move downward, the scraper 45 contacts the screen printing screen, and then under the action of the first driving mechanism 5, horizontal coating and scraping are realized. To achieve one printing, when the printing is completed, use the lifting cylinder 46 to drive the lifting seat 44 upward, so that the scraper 45 is separated from the screen printing screen. Generally made of soft silica gel, etc., when too much ink accumulates, it will easily affect the normal scraping of the scraper 45, so, preferably, one side of the scraper 45 is also provided with a protective sheet 47, When a large amount of ink accumulates, during the movement of the scraper 45 , the protective sheet 47 blocks the accumulated excess ink to avoid deformation of the scraper 45 caused by more ink.
进一步的说,所述第一驱动机构5包括第二伺服马达51及与第二伺服马达51传动连接的变速箱,还包括分别设置于第一滑轨42的两端的第一同步轮52和第二同步轮53,以及分别设置于第二滑轨43的两端的第三同步轮54和第四同步轮55,所述变速箱连接有传动轴56,所述传动轴56与第一同步轮52、第三同步轮54传动连接,所述第一同步轮52与第二同步轮53之间设置有用于带动所述移动横梁41的第一同步带57,所述第三同步轮54与第四同步轮55之间设置有用于带动所述移动横梁41的第二同步带58。当升降气缸46驱动升降座44向下移动,使刮刀45与丝印网接触时,所述第二伺服马达51启动,通过变速箱进行变速传动给传动轴56,由于传动轴56与第一同步轮52、第三同步轮54连接,所以,传动轴56可以实现同步驱动第一同步轮52和第三同步轮54,然后,进一步的,由于第一同步轮52、第二同步轮53通过第一同步带57传动连接,而所述第一同步带57连接所述移动横梁41的端部;同理,由于第三同步轮54、第四同步轮55通过第二同步带58传动连接,而所述第二同步带58连接所述移动横梁41的另一端部,这样,在传动轴56的作用下,第一同步带57、第二同步带58实现同步带动移动横梁41沿着第一滑轨42、第二滑轨43移动,而由于升降座44、刮刀45及升降气缸46均设置于移动横梁41,所以,当移动横梁41进行横向移动时,即实现了刮刀45在丝印网上的工作移动。本第一驱动机构5的结构简单,而且利用单一的伺服马达即实现了两侧同步驱动,不但节约了制造成本,而且,便于综合控制。Further speaking, the first drive mechanism 5 includes a second servo motor 51 and a gearbox connected to the second servo motor 51, and also includes a first synchronous wheel 52 and a first synchronous wheel 52 respectively arranged at both ends of the first slide rail 42. Two synchronous wheels 53, and the third synchronous wheel 54 and the 4th synchronous wheel 55 that are arranged on the two ends of the second slide rail 43 respectively, described gearbox is connected with transmission shaft 56, and described transmission shaft 56 and first synchronous wheel 52 , The third synchronous wheel 54 is connected in transmission, the first synchronous belt 57 for driving the moving beam 41 is arranged between the first synchronous wheel 52 and the second synchronous wheel 53, the third synchronous wheel 54 and the fourth synchronous wheel A second synchronous belt 58 for driving the moving beam 41 is arranged between the synchronous wheels 55 . When the lifting cylinder 46 drives the lifting seat 44 to move downward, so that the scraper 45 contacts the screen printing screen, the second servo motor 51 starts, and the transmission shaft 56 is transmitted to the transmission shaft 56 through the gearbox. Since the transmission shaft 56 and the first synchronous wheel 52. The third synchronous wheel 54 is connected, so the power transmission shaft 56 can realize the synchronous driving of the first synchronous wheel 52 and the third synchronous wheel 54, and then, further, since the first synchronous wheel 52 and the second synchronous wheel 53 pass through the first Synchronous belt 57 transmission connection, and described first synchronous belt 57 connects the end of described moving crossbeam 41; Similarly, because the 3rd synchronous wheel 54, the 4th synchronous wheel 55 are connected by the 2nd synchronous belt 58 transmission, and all The second synchronous belt 58 is connected to the other end of the moving beam 41, so that under the action of the drive shaft 56, the first synchronous belt 57 and the second synchronous belt 58 drive the moving beam 41 along the first slide rail synchronously. 42. The second slide rail 43 moves, and since the lifting seat 44, the scraper 45 and the lifting cylinder 46 are all arranged on the moving beam 41, when the moving beam 41 moves laterally, the scraper 45 is moved on the silk screen. . The structure of the first driving mechanism 5 is simple, and a single servo motor is used to realize synchronous driving on both sides, which not only saves the manufacturing cost, but also facilitates comprehensive control.
在本技术方案中,所述顶升机构6包括顶升座61,所述顶升座61铰接有用于举起所述活动框座12的顶升气缸62,所述顶升气缸62设置有第一行程621和第二行程622,所述顶升座61还设置有穿过所述活动框座12的定位导柱63。所述顶升座61与走台座11固定连接,由于所述顶升气缸62在顶起活动框座12时,所述活动框座12为弧形运动轨迹,所以,在本方案中,所述顶升座61与顶升气缸62铰接,同时,所述第一行程621为较小的举升高度,举升高度为40~70mm,所述第二行程622为较大的举升高度,该高度为220~260mm,在实际使用中,当走台座11需要移动时,所述顶升气缸62顶升至第一行程621,使承印物与丝印网框分离,并使其具有一定的安全间隙;当需要更换或维护本丝印装置时,即可利用顶升气缸62使其工作在第二行程622,从而取得较大的操作和维护空间。In this technical solution, the jacking mechanism 6 includes a jacking seat 61, and the jacking seat 61 is hinged with a jacking cylinder 62 for lifting the movable frame seat 12, and the jacking cylinder 62 is provided with a second The first stroke 621 and the second stroke 622 , the jacking seat 61 is also provided with a positioning guide post 63 passing through the movable frame seat 12 . The jacking seat 61 is fixedly connected with the walking platform seat 11. Since the jacking cylinder 62 is jacking up the movable frame seat 12, the movable frame seat 12 is an arc-shaped motion track, so in this solution, the The jacking seat 61 is hinged with the jacking cylinder 62. At the same time, the first stroke 621 is a relatively small lifting height of 40-70mm, and the second stroke 622 is a relatively large lifting height. The height is 220~260mm. In actual use, when the walking table 11 needs to move, the jacking cylinder 62 is jacked up to the first stroke 621, so that the substrate is separated from the screen printing frame and has a certain safety gap ; When the screen printing device needs to be replaced or maintained, the jacking cylinder 62 can be used to make it work in the second stroke 622, thereby obtaining a larger space for operation and maintenance.
由于活动框座12在印刷时需要保持固定状态,从而使图案印刷精准;当走台座11在移动时,所述活动框座12又处于活动状态,为了使活动框座12在两种状态下的稳定,在本技术方案中,所述走台座11设置有位于活动框座12的两侧的轮座13,所述轮座13设置有至少一个用于抵接活动框座12的辅助轮131。所辅助轮131可以采用轴承,在轮座13上最好设置两个或三个垂直排列的轴承,在印刷状态时,该位于活动框座12的两侧的辅助轮131对活动框座12抵压,使活动框座12在水平方向具有良好位置固定,当需要举升起所述活动框座12时,在顶升气缸62的作用下,活动框座12随着辅助轮131的可旋转导向作用,顺畅的升降,当然,在所述活动框座12的两侧对应辅助轮131的位置可设置加强块,从而让结构更加稳固。Because the movable frame base 12 needs to keep a fixed state when printing, so that the pattern printing is accurate; Stability, in this technical solution, the walking platform 11 is provided with wheel bases 13 located on both sides of the movable frame base 12 , and the wheel base 13 is provided with at least one auxiliary wheel 131 for abutting against the movable frame base 12 . The auxiliary wheels 131 can adopt bearings. Two or three vertically arranged bearings are preferably arranged on the wheel base 13. When in the printing state, the auxiliary wheels 131 on both sides of the movable frame seat 12 are against the movable frame seat 12. Press, so that the movable frame 12 has a good position in the horizontal direction. When the movable frame 12 needs to be lifted, under the action of the jacking cylinder 62, the movable frame 12 can be rotatably guided along with the auxiliary wheels 131. function, smooth lifting, of course, reinforcing blocks can be set at the positions corresponding to the auxiliary wheels 131 on both sides of the movable frame seat 12, so as to make the structure more stable.
以上内容仅为本发明的较佳实施例,对于本领域的普通技术人员,依据本发明的思想,在具体实施方式及应用范围上均会有改变之处,本说明书内容不应理解为对本发明的限制。The above content is only a preferred embodiment of the present invention. For those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation and application scope. limits.
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US3650208A (en) * | 1969-11-17 | 1972-03-21 | Daryl Gene Lambert | Screen printing machine with single-sided rack-and-pinion drive |
CN2175102Y (en) * | 1994-01-18 | 1994-08-24 | 陈东钦 | Improved Structure of Screen Printing Machine |
US5713277A (en) * | 1996-06-05 | 1998-02-03 | Svecia Usa, Inc. | Combination print head and pivotable print screen holder and method for improved operator safety during screen maintenance |
CN201169112Y (en) * | 2008-03-14 | 2008-12-24 | 台湾恒基股份有限公司 | Driving device of printing machine |
CN104309278B (en) * | 2014-10-30 | 2015-06-10 | 中国地质大学(武汉) | Three-dimensional manual curve surface screen printing machine |
CN204820618U (en) * | 2015-06-08 | 2015-12-02 | 东莞市坚华机械有限公司 | A side-opening continuous screen printing device |
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2015
- 2015-06-08 CN CN201510307580.3A patent/CN104875479B/en active Active
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