WO2014134768A1 - 多辊毯带式转移印花装置 - Google Patents
多辊毯带式转移印花装置 Download PDFInfo
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- WO2014134768A1 WO2014134768A1 PCT/CN2013/072104 CN2013072104W WO2014134768A1 WO 2014134768 A1 WO2014134768 A1 WO 2014134768A1 CN 2013072104 W CN2013072104 W CN 2013072104W WO 2014134768 A1 WO2014134768 A1 WO 2014134768A1
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- WIPO (PCT)
- Prior art keywords
- roller
- blanket
- transfer printing
- pressure
- fabric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F16/00—Transfer printing apparatus
- B41F16/02—Transfer printing apparatus for textile material
Definitions
- Multi-roller belt transfer printing device Multi-roller belt transfer printing device
- the present invention relates to a printing and dyeing machine for the textile industry, and more particularly to a device suitable for high speed production of transfer printing products.
- the transfer printing device is based on the multi-roller belt technology, which overcomes the problems of the prior art transfer technology, such as the displacement of the fabric, the transfer pattern ghosting, and the light color of the transfer dye, thereby realizing high-speed transfer printing production. Background technique
- Transfer printing is a new process and new technology in the field of textile printing and dyeing. Transfer printing has many advantages compared with traditional printing, especially in the production of water saving and less water in printing production. Transfer printing is an environmentally-friendly production process and technology. It is in line with the current green energy concept of emission reduction and low carbon. It is a new technology that is popularized and applied.
- the early transfer printing was applied to synthetic textiles. The dye pattern that needs to be printed was first printed on the base paper to make transfer printing paper, and the transfer printing paper was matched with the printed synthetic fiber textile surface by hot pressing or The hot rolling transfer method transfers the dye pattern on the transfer printing paper to the printed synthetic fiber textile to complete the printing task, so it is called the thermal transfer method.
- Patent No. 6,850,263 both of which are incorporated herein by reference.
- thermal transfer inevitably requires heating to a higher temperature during the transfer process to achieve sublimation transfer of the dye, thereby causing damage to fabric fabrics, particularly natural fiber and protein fiber fabrics, and the product feels poor.
- U.S. Patent No. 6,805,046 discloses a method of obtaining a transfer printing pattern at a normal temperature
- US7989039 discloses a connecting material for cold transfer printing and its application.
- the transfer printing device of the normal temperature transfer technology adopts a transfer printing device without heating, and the transfer of the dye does not depend on the sublimation transfer of high temperature under normal temperature conditions, but relies on The dye is dissolved and squeezed, so its equipment has much higher control requirements for pressure strength, stability and uniformity than heat transfer printing equipment.
- a method of applying a roll device to achieve normal temperature transfer printing is taught in U.S. Patent No. 6,805,046. However, if the roll device adopts a single roll, since the dye is transferred only by a single line pressure, the dye transfer rate is low; and if multiple rolls are used, since the transfer coefficient of the transfer paper and the fabric is different, the misalignment is easily formed.
- the present invention provides a novel multi-roller belt transfer printing device.
- a multi-roll blanket belt transfer printing device characterized in that: the multi-roll blanket transfer printing device comprises: a center roller, the central shaft is fixedly connected to the frame by bearings at both ends, and the center roller is driven and rotated by the variable frequency motor a plurality of pressure rollers distributed around the circumference of the center roller, each pressure roller independently providing a pressure perpendicular to a central axis of the center roller by a pressurizing device; an annular carpet tape wrapped around the plurality of support rollers and On the plurality of pressure rollers, the pressure roller is pressed into contact with the center roller through the loop blanket, and the loop blanket is
- the tensioning device provides tension, the tension is constant and adjustable, and the annular blanket belt is driven by the rotational driving force of the center roller; the guide rollers are respectively disposed near the inlet and the outlet of the annular blanket contacting the center roller, and the two guide rollers guide The fabric and the transfer print carrier enter or exit a pressurization zone between the center roll and the pressure roll wrapping the endless blanket; an online
- the center roll is a metal roll coated with rubber and filled with a cavity
- the outer diameter is (p600-1600mm
- the surface rubber has a Shore hardness of 90 degrees
- the metal roll passes through the cavity built in the cavity.
- the electric heating rod heats the oil so that the temperature of the center roll can be raised to 30-150 °C.
- the pressure roller is a metal roller coated with rubber, the outer diameter is (pl50-280mm, the surface rubber Shore hardness is 90 degrees; one end of the pressure roller central axis and the servo J! Motor drive connection;
- the support roller is a metal roller having an outer diameter of (pl00-150 mm; the guide roller is a metal roller, and the outer diameter is (pl00-150 mm).
- the correcting device is a single-roller horizontal swing correcting roller, and the swing angle is ⁇ 5.
- Correction range ⁇ 150mm
- Correction accuracy ⁇ 3mm.
- the tensioning device adopts pneumatic tensioning, and the tension is constant and adjustable.
- the tensioning device is composed of a tensioning roller mounted on a pair of bearings, and the left and right bearings are connected with the sliding seat, and the sliding device is connected.
- the seat is mounted on the slide rail, and the slide seat can be slid along the transmission The rail moves to drive the tension roller to move, thereby adjusting the belt tension around the tension roller.
- the endless carpet belt is a seamless endless belt made of a polyester lining or a rubber woven fabric having a Shore hardness of 90 degrees.
- the carpet cleaning device is composed of a shower head, a brush and a dryer.
- the pressure of the pressure roller is individually adjustable, the setting is adjusted by the automatic control system and the line pressure is consistent, or the program is gradually increased and the installation procedure is gradually lowered.
- the drying box is opened during the production of a printed fabric to be baked and fixed.
- the multi-roll blanket belt transfer printing device has the following advantages: 1.
- the rectification system has no pressure, so that it is not subject to feedback interference of stress during the transfer process, ensuring from the feeding, feeding to the winding, and the winding of the paper.
- the annular blanket belt is driven by the central roller to avoid the phenomenon that the reversing roller described in U.S. Patent No. 7,004,220 is used as the driving roller under the high speed condition; 3, Shore hardness
- the 90-degree annular carpet belt has the same surface hardness as the center roller and the pressure roller. During the close pressing process of the fabric and the transfer printing carrier, the moisture in the fabric is not squeezed out, thereby avoiding the runny phenomenon. 4.
- the width of the roll width is uniform, multiple rolls increase the transfer rate of the dye, and the pressure of each pressure roller can be adjusted separately, so that the line pressure can be gradually increased according to the program according to the printing demand, or the flexibility can be gradually reduced according to the program.
- Control can be applied to the printing requirements of hydrophilic special fabrics such as cotton cover. 5.
- the center roller can be heated and heated, so that the printing temperature can be stably transferred, avoiding a large temperature difference due to seasonal changes or day and night changes, resulting in unstable product quality between batches; and for some high-density high-density fabrics, further expansion by heating
- the fabric fibers are printed to increase the dye uptake rate and dye up speed.
- the multi-roll blanket belt transfer printing machine of the invention can realize high-speed transfer printing production, and the vehicle speed can be as high as 30-60 m/min. Through the production and application of transfer printing products, the production capacity and product quality have achieved good results.
- FIG. 1 is a schematic view of a transfer printing machine according to an embodiment of the present invention.
- the figure shows:
- any technical feature in the embodiment (the technical features may be separated by any punctuation marks such as a comma, a period, a comma or a semicolon), and any technical solution is a plurality of optional technical features or One or more of the optional technical solutions, in order to describe the need for succinctness, all the alternative technical features and alternative technical solutions of the present invention cannot be exhausted in this document, and the implementation of each technical feature is not convenient.
- the present invention is a multi-roller belt type transfer printing apparatus which solves the problems and disadvantages of the prior art transfer apparatus, as shown in Fig. 1.
- a center roller 17 is fixedly connected to the frame 5 by a bearing, and the center roller is a watch
- the metal roller coated with rubber and cavity oiled, the outer diameter is (p600-1600mm, preferably (plOOOmm; the center roller surface rubber Shore hardness is 90 degrees, the metal roller heats the oil through the electric heating rod built in the cavity, Thereby, the temperature of the center roll can be raised to 30-150 ° C; the center roll is driven to rotate by the variable frequency motor.
- a plurality of (for example, 4-6) pressure rolls 11 are distributed around the circumference of the center roll 17, and each press roll is added by The pressing device 12 independently provides a pressure perpendicular to the central axis of the center roll.
- An annular blanket 6 is wrapped around the pressure roller 11 and the plurality of support rollers 10 to form a loop.
- the pressure roller is a surface coated rubber
- the metal roller has an outer diameter of (pl50-280mm, surface rubber Shore hardness of 90 degrees; one end of the central shaft of the pressure roller is connected to the servo motor.
- the pressure roller 11 is press-contacted to the center roller through the annular blanket 6
- the loop blanket is tensioned by the tensioning device 13, and the tension is constant and adjustable.
- An online blanket cleaning cycle system is arranged in the blanket circulation path, including the blanket cleaning device 9, the scraper 8 and the oven 7, which need to be cleaned.
- Blanket belt blanket cleaning device After cleaning, the surface moisture of the blanket is scraped off by the scraper 8, and then dried by the oven 7, thereby achieving continuous circulation application, and the blanket is driven by the rotational driving force of the center roller.
- the entrance of the loop blanket in contact with the center roller There is a guide roller 3 near the outlet and the outlet, respectively, which guides the fabric and the transfer printing carrier into or out of the pressure interval between the center roller and the plurality of pressure rollers of the wrapping tape. After the inlet guide roller 3 and before the entrance of the fabric to be printed and the transfer printing carrier into the contact of the annular blanket with the center roller, it is ensured that the lateral positioning of the fabric and the transfer printing carrier is accurate.
- This correction device 4 is a single-roller horizontal swing correction roller , Swing angle: ⁇ 5°, Correction range: ⁇ 150mm, Correction accuracy: ⁇ 3mm.
- the drying box 14 is located after the annular blanket belt is in contact with the center roller and is located at the separation of the fabric and the transfer printing carrier and the fabric winding Between the A-frames; the automatic control system controls the speed of the vehicle, the tension of the blanket, the tension of the fabric and the transfer printing carrier, the conveyance of the deflection and the pressure gradient of the pressure roller.
- the roller is a metal roller, the outer diameter is (pl00-150mm; the guide roller is a metal roller, and the outer diameter is (pl00-150mm.
- the tensioning device 13 is pneumatically tensioned, the tension is constant, adjustable, and the tensioning device is a tension roller mounted on a pair of bearings, left and right bearings It is connected with the sliding seat, and the sliding seat is mounted on the sliding rail, and can be moved along the sliding rail through the transmission device to drive the tension roller to move, thereby adjusting the tension of the blanket winding around the tensioning roller.
- the endless carpet belt is a seamless endless belt, and the endless belt is made of polyester interlining or rubber village cloth, and the Shore hardness is
- the carpet cleaning device consists of a shower head, a brush and a dryer.
- the pressure of the press roller is individually adjustable, the setting is adjusted by an automatic control system and the line pressure is consistent, or it is gradually increased according to the program and gradually descends according to the program.
- the drying oven is opened during the production of the printed fabric to be baked and fixed.
- the production process of the multi-roller belt type transfer printing apparatus is as follows.
- the transfer printing carrier 2 and the pre-processed fabric 1 to be printed are placed between the center roller 17 and the endless carpet strip 6 through the inlet guide roller 3 under the precise latitude positioning of the correcting device 4 constituted by the single-roller horizontal swing correcting roller, overlapping adaptation.
- the bearings at both ends of the center shaft of the center roller 17 are fixedly connected to the frame 5.
- the endless carpet strip 6 is wrapped around a plurality of pressure rollers 11 and a plurality of support rollers 10.
- the pressing roller 12 supplies the pressure roller 11 with a pressure perpendicular to the central axis of the center roller 17 and toward the center roller 17, thereby applying a uniform hook line pressure to the fabric to be printed 1 and the transfer printing carrier 2 through the endless blanket belt 6,
- the multiple application of pressure by the pressure roller increases the transfer rate of the dye from the transfer printing carrier 2 to the fabric 1 to be printed. Since the fabric to be printed 1 and the transfer printing carrier 2 are pressed by the blanket, there is no slippage between the two, and no multiple ghosting occurs.
- the loop blanket 6 is supplied with tension by the tensioning device 13, and the tension is constant and adjustable; when cleaning is required, the blanket is cleaned by the blanket cleaning device 9, and the surface moisture of the blanket is scraped by the scraper 8, and then dried by the oven 7, That is, the continuous circulation application is realized; the loop blanket 6 is driven by the rotational driving force of the center roller 17 to drive the blanket, and since the reversing roller is not used as the driving roller, the carpet belt does not slip during the high speed operation.
- the transferred fabric 16 and the post-transfer carrier 15 are separated by the exit guide roller 3, and the transferred fabric 16 is dried by the drying oven 14 and the dye is solidified, and then the roll can be wound.
- the multi-roller belt type transfer printing device can transfer printing speed of up to 60m/min. In the case of a cotton-covered polyester fabric as an example, the production process of the multi-roller belt type transfer printing apparatus is as follows.
- the transfer printing carrier 2 and the pretreated cotton cover polyester fabric 1 are placed between the center roller 17 and the endless carpet tape 6 through the inlet guide roller 3 under the precise latitude positioning of the correcting device 4 constituted by the single-roller horizontal swing correcting roller. Overlapping close.
- the center roll 17 heats the oil through an electric heating rod placed in the cavity to raise the temperature of the center roll surface to 80 °C.
- Five pressure rollers 11 are distributed around the circumference of the center roller 17, and the pressure roller 12 supplies the pressure roller 11 with a pressure perpendicular to the central axis of the center roller 17 and toward the center roller 17, thereby passing the loop blanket 6 to the fabric 1.
- the five pressure rollers 11 sequentially apply a line pressure of 20 kg/cm, 30 kg/cm, 40 kg/cm, 50 kg/cm, 50 kg/cm in accordance with the order of pressure application, thereby conforming to the dye.
- Cotton cover polyester fabric transfer printing speed can be as high as 30m / min.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Coloring (AREA)
- Treatment Of Fiber Materials (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
一种多辊毯带式转移印花装置,包括:中心辊(17),其中心轴两端通过轴承固定到机架(5);多根加压辊(11),分布在中心辊(17)圆周***,每个加压辊(11)由加压装置(12)独立提供压力;一环形毯带(6),包绕在多根支撑辊(10)和多根加压辊(11)上,加压辊(11)通过毯带(6)对中心辊(17)加压接触,毯带(6)由张紧装置(13)提供张力;导辊(3),设置在毯带(6)与中心辊(17)接触的入口和出口附近;布置在环形毯带(6)循环路径中的在线毯带清洗循环***,包括毯带清洗装置(9)、刮刀(8)和烘箱(7);纠偏装置(4),位于所述入口附近的导辊(3)之后并位于所述入口之前;烘燥箱(14),位于所述出口之后并位于织物和转移印花载体分离处和织物收卷架之间;以及自动控制***,用于控制车速、毯带张力、织物和转移印花载体的张力、传送纠偏和加压辊梯度压力。
Description
多辊毯带式转移印花装置 技术领域
本发明涉及纺织工业的印染机械, 具体是指一种适合高速生 产转移印花产品的装置。 这种转移印花装置以多辊毯带技术为核 心, 克服现有转印技术中织物出现移位, 转印图案重影, 转印染 料颜色浅等问题, 实现高速转移印花生产。 背景技术
转移印花是纺织印染领域中的一种新工艺和新技术, 转移印 花与传统的印花相比是有不少优点, 尤其是在印花生产中的节水 和少用水方面更为显著。 转移印花是一种环保型的生产工艺和技 术, 符合当前提出的减排与低碳的绿色生态理念, 是属于推广应 用的新技术。 早期的转移印花是应用在合成纤维纺织品上, 它是 把需要印花的染料图案先印在原纸上制成转移印花纸, 再把转移 印花纸和被印的合成纤维纺织品面吻合, 通过热压或热轧的转印 方式, 把转移印花纸上的染料图案转印到被印的合成纤维纺织品 上完成印花任务, 故称为热转印方式。 美国专利 US5634731 和 US6850263等, 都描述了热转印的装置。 然而热转印不可避免地 需要在转印过程中升温到较高的温度, 以实现染料的升华转移, 从而对织物面料,特别是天然纤维和蛋白纤维织物面料造成损伤, 产品手感较差。 美国专利 US6805046公开了一种常温下获得转移 印花图案的方法, US7989039公开了一种冷转移印花用连接料及 其应用方式。 这些技术显示转移印花技术可实现常温条件下应用 于全棉等天然纤维和粘胶等再生纤维纺织品上。 而该类常温转印 技术的转移印花装置是采用一种无需加热的转移印花装置, 由于 常温条件下, 染料的转移不是依靠高温度的升华转移, 而是依靠
染料的溶解挤压转移, 因此其设备对于压力的强度、 稳定性和均 匀性的控制要求远高于热转移印花设备。 美国专利 US6805046中 教述了应用轧辊装置实现常温转移印花的方法。 但是该轧辊装置 如采用单轧辊, 由于仅依靠单次线压力转移染料, 故染料转移率 低; 而如果采用多轧辊, 由于转印纸与织物相对轧辊的摩擦系数 不同, 极易形成错位, 从而经后道轧辊转印, 易形成图案重影模 糊; 而且对于宽幅织物,轧辊线压力会出现左中右不均匀的现象。 美国专利 US7004220中教述了一种环形带绕着中心辊***的主要 部分被引导, 并穿过压辊和中心辊之间的压区, 从而能够在即使 非常高的线压力的情况下在织物的整个宽度上获得均匀的线压 力。 但是该装置并不能解决转印纸与织物错位的问题, 特别是高 车速条件下, 错位问题被放大, 重影明显, 因此高速生产冷转移 印花产品遇到了瓶颈。 发明内容
为了实现转移印花机对于转印压力的强度、 稳定性和均匀性 的高控制要求, 并且避免由于转印纸与织物相对轧辊的摩擦系数 不同, 形成错位, 从而形成图案重影模糊的问题, 提升转移印花 生产的速度, 本发明提供了一种新型多辊毯带式转移印花装置。
本发明为解决现有转印装置存在的问题和缺点所提供的技术 方案是:
一种多辊毯带式转移印花装置, 其特征是, 该多辊毯带式转 移印花装置包括: 一中心辊, 其中心轴两端通过轴承固定连接到 机架, 中心辊由变频电机驱动旋转; 多根加压辊, 它们分布在中 心辊圓周***, 每个加压辊由加压装置独立提供垂直于中心辊的 中心轴线的压力; 一环形毯带, 其包绕在多根支撑辊和所述多根 加压辊上, 加压辊通过环形毯带对中心辊加压接触, 环形毯带由
张紧装置提供张力, 张力恒定、 可调, 由中心辊的旋转驱动力驱 动环形毯带绕行; 导辊, 分别设置在环形毯带与中心辊接触的入 口和出口附近, 该两导辊引导织物和转移印花载体进入或导出处 于中心辊和包裹环形毯带的加压辊之间的加压区间; 布置在环形 毯带循环路径中的在线毯带清洗循环***, 包括毯带清洗装置、 刮刀和烘箱, 环形毯带经毯带清洗装置清洗后, 通过刮刀刮除环 形毯带表面水分, 再经烘箱干燥后, 即实现连续循环应用; 糾偏 装置, 其位于所述入口附近的导辊之后并位于待印织物和转移印 花载体进入中心辊与环形毯带接触的入口之前, 确保织物和转移 印花载体的横向定位精确; 烘燥箱, 位于环形毯带与中心辊接触 的出口之后并位于织物和转移印花载体分离处和织物收卷架之 间; 以及自动控制***, 用于控制车速、 毯带张力、 织物和转移 印花载体的张力、 传送糾偏和加压辊梯度压力。
根据本发明的一实施例, 所述中心辊为表面包覆橡胶且空腔 注油的金属辊, 外径为 (p600-1600mm, 表面橡胶邵氏硬度为 90 度, 金属辊通过内置于空腔的电热棒加热油液, 从而可将中心辊 温度升温到 30-150 °C。
根据本发明的一实施例, 所述加压辊为表面包覆橡胶的金属 辊, 外径为(pl50-280mm, 表面橡胶邵氏硬度为 90度; 加压辊中 心轴的一端和伺 J! 电机传动连接;
所述支撑辊为金属辊, 外径为 (pl00-150mm; 所述导辊为金 属辊, 外径为(pl00-150mm。
根据本发明的一实施例, 所述糾偏装置为单辊式水平摆动糾 偏辊, 摆动角度: ±5。, 糾偏范围: ±150mm, 糾偏精度: ±3mm。
根据本发明的一实施例, 所述张紧装置采用气动张紧,张力恒 定、 可调, 张紧装置由一根安装在一对轴承上的张紧辊构成, 左 右轴承和滑座连接, 滑座安装在滑轨上,滑座通过传动装置能沿滑
轨移动,带动张紧辊移动,从而调节绕过张紧辊的毯带张力。
根据本发明的一实施例, 所述环形毯带为无接缝的环形带, 环形带由聚酯衬布或橡胶村布制成, 邵氏硬度为 90度。
根据本发明的一实施例, 所述毯带清洗装置由喷淋头、 毛刷 和烘干器组成。
根据本发明的一实施例, 所述加压辊的压力为单独可调, 通 过自动控制***调节设定并实现线压力一致, 或按照程序渐升和 安装程序渐降。
根据本发明的一实施例, 所述烘燥箱在需烘焙固色的印花织 物生产过程中开启。
所述多辊毯带式转移印花装置其有益效果在于: 1、糾偏体系 无压力,从而不会受到转印过程中应力的反馈干扰,确保从进布、 进纸到布收卷、 纸收卷, 全过程中纬度位置的一致性; 2、 环形毯 带通过中心辊驱动绕行,避免了美国专利 US7004220所述换向辊 做为驱动辊高速条件下毯带打滑的现象; 3、 邵氏硬度为 90度环 形毯带, 与中心辊和加压辊表面硬度一致, 在织物和转移印花载 体密合施压过程中, 不会将织物中的水分压榨出来, 从而避免了 流淌现象。 4. 确保轧辊宽幅线压力均匀, 多道轧辊提升了染料的 转移率, 而各加压辊压力单独可调, 从而根据印花需求可实现线 压力按照程序渐升, 或按照程序渐降的灵活控制, 可应用于棉盖 涤等亲水性特殊的织物的印花要求。 5.中心辊可加热升温, 从而 能够稳定转移印花温度, 避免由于季节变化或昼夜变化形成较大 温差, 导致批次间产品质量的不稳定; 并且针对一些高支高密织 物, 通过加热可进一步膨胀被印织物纤维, 从而增加染料上染率 和上染速度。 本发明所述多辊毯带式转移印花机可实现高速转移 印花生产,车速可高达 30-60m/min。经转移印花产品的生产应用, 产能和产品质量方面取得较好效果。
附图说明
此处所说明的附图用来提供对本发明的进一步理解, 构成本 申请的一部分,本发明的示意性实施例及其说明用于解释本发明, 并不构成对本发明的不当限定。 在附图中:
图 1为本发明实施例所提供的转移印花机的示意图;
图中所示:
下面通过附图以及列举本发明的一些可选实施例的方式, 对 本发明的技术方案 (包括优选技术方案)做进一步的详细描述。 需要说明的是: 本实施例中的任何技术特征(技术特征之间可以 使用逗号、 句号、 顿号或分号等任意标点符号隔开)、任何技术方 案均是多种可选的技术特征或可选的技术方案中的一种或几种, 为了描述简洁的需要本文件中无法穷举本发明的所有可替代的技 术特征以及可替代的技术方案, 也不便于每个技术特征的实施方 式均强调其为可选的多种实施方式之一, 所以本领域技术人员应 该知晓: 本实施例内的任何技术特征以及任何技术方案均不限制 本发明的保护范围, 本发明的保护范围应该包括本领域技术人员 不付出创造性劳动所能想到的任何替代技术方案。
本发明为解决现有转印装置存在的问题和缺点所提供的多辊 毯带式型转移印花装置, 见图 1所示。
在机架 5上通过轴承固定连接一中心辊 17, 所述中心辊为表
面包覆橡胶且空腔注油的金属辊, 外径为(p600-1600mm, 优选用 (plOOOmm; 中心辊表面橡胶邵氏硬度为 90度, 金属辊通过内置 于空腔的电热棒加热油液,从而可将中心辊温度升温到 30- 150 °C; 中心辊由变频电机驱动旋转。 中心辊 17圓周***分布有多根(例 如 4-6根)加压辊 11,每个加压辊由加压装置 12独立提供垂直于 中心辊的中心轴线的压力。一环形毯带 6包绕在加压辊 11和多个 支撑辊 10上,组成一环路。所述加压辊为表面包覆橡胶的金属辊, 外径为(pl50-280mm, 表面橡胶邵氏硬度为 90度; 加压辊中心轴 的一端和伺服电机传动连接。加压辊 11是通过环形毯带 6对中心 辊加压接触, 而环形毯带由张紧装置 13提供张力, 张力恒定、 可 调。 在毯带循环路径中布置有在线毯带清洗循环***, 包括毯带 清洗装置 9、 刮刀 8和烘箱 7, 需要进行清洗时, 毯带经毯带清洗 装置 9清洗后, 通过刮刀 8刮除毯带表面水分, 再经烘箱 7干燥 后, 即实现连续循环应用, 毯带是由中心辊的旋转驱动力驱动绕 行。 环形毯带与中心辊接触的入口处和出口处附近分别各有一导 辊 3, 该两导辊引导织物和转移印花载体进入或导出中心辊和包 裹毯带的多个加压辊之间的加压区间。 所述糾偏装置 4位于入口 导辊 3之后并位于待印织物和转移印花载体进入环形毯带与中心 辊接触的入口之前, 确保织物和转移印花载体的横向定位精确。 这种糾偏装置 4为单辊式水平摆动糾偏辊, 摆动角度: ±5°, 糾偏 范围: ±150mm, 糾偏精度: ±3mm。 所述烘燥箱 14位于环形毯 带与中心辊接触的出口之后并位于织物和转移印花载体分离处和 织物收卷 A型架之间; 所述自动控制***控制车速, 毯带张力, 织物和转移印花载体张力, 传送糾偏和加压辊梯度压力。 所述支 撑辊为金属辊, 外径为 (pl00-150mm; 所述导辊为金属辊, 外径 为 (pl00-150mm。 所述张紧装置 13采用气动张紧,张力恒定、 可 调, 张紧装置由一根安装在一对轴承上的张紧辊构成, 左右轴承
和滑座连接,滑座安装在滑轨上,通过传动装置可沿滑轨移动,带动 张紧辊移动,从而调节绕过张紧辊的毯带张力。 所述环形毯带为无 接缝的环形带, 环形带由聚酯衬布或橡胶村布制成, 邵氏硬度为
90度。 所述毯带清洗装置由喷淋头、 毛刷和烘干器组成。 所述加 压辊的压力为单独可调, 通过自动控制***调节设定并实现线压 力一致, 或按照程序渐升和按照程序渐降。 所述烘燥箱在需烘焙 固色的印花织物生产过程中开启。
在以全棉织物为例的情况下, 多辊毯带式型转移印花装置的 生产过程如下。
转移印花载体 2和经前处理的待印织物 1在单辊式水平摆动 糾偏辊构成的糾偏装置 4的精确纬度定位下, 通过入口导辊 3进 入中心辊 17与环形毯带 6之间, 重叠密合。 中心辊 17的中心轴 两端轴承和机架 5 固定连接。 环形毯带 6 包绕在多个加压辊 11 和多个支撑辊 10上。由加压装置 12向加压辊 11提供垂直于中心 辊 17的中心轴线并朝向中心辊 17的压力, 从而通过环形毯带 6 向待印织物 1和转移印花载体 2施加均勾线压力, 多个加压辊的 多次施压提升了染料从转移印花载体 2转移到待印织物 1上的转 移率。 由于待印织物 1和转移印花载体 2由毯带加压裹挟, 因此 两者间不会出现滑移, 多次加压不会出现重影。 环形毯带 6由张 紧装置 13提供张力, 张力恒定、 可调; 需要清洗时, 毯带经毯带 清洗装置 9清洗后, 通过刮刀 8刮除毯带表面水分, 再经烘箱 7 干燥后, 即实现连续循环应用; 环形毯带 6由中心辊 17的旋转驱 动力驱动毯带绕行, 由于不采用换向辊做为驱动辊, 因此高速运 转过程中毯带不会出现打滑。 转印后的织物 16和转印后载体 15 通过出口导辊 3分离, 转印后的织物 16经烘燥箱 14干燥、 染料 固化后, 即可收卷。 该多辊毯带式型转移印花装置全棉织物转移 印花车速可高达 60m/min。
在以棉盖涤织物为例的情况下, 多辊毯带式型转移印花装置 的生产过程如下。
转移印花载体 2和经前处理的棉盖涤织物 1在单辊式水平摆 动糾偏辊构成的糾偏装置 4的精确纬度定位下, 通过入口导辊 3 进入中心辊 17与环形毯带 6之间, 重叠密合。 中心辊 17通过内 置于空腔的电热棒加热油液从而可将中心辊表面温度升温到 80°C。 中心辊 17圓周***分布有 5根加压辊 11, 由加压装置 12 向加压辊 11提供垂直于中心辊 17 的中心轴线并朝向中心辊 17 的压力, 从而通过环形毯带 6向织物 1和转移印花载体 2施加均 匀线压力, 5根加压辊 11按照施压先后顺序, 依次施加 20kg/cm, 30kg/cm, 40kg/cm, 50kg/cm, 50kg/cm的线压力, 从而符合染料向 棉盖涤织物纵向渗透的速率, 多次施压提升染料从转移印花载体 转移到织物转移率。 棉盖涤织物转移印花车速可高达 30m/min。
Claims
1. 一种多辊毯带式转移印花装置, 其特征是, 该多辊毯带式 转移印花装置包括:
一中心辊, 其中心轴两端通过轴承固定连接到机架, 中心辊 由变频电机驱动旋转;
多根加压辊, 它们分布在中心辊圓周***, 每个加压辊由加 压装置独立提供垂直于中心辊的中心轴线的压力;
一环形毯带, 其包绕在多根支撑辊和所述多根加压辊上, 加 压辊通过环形毯带对中心辊加压接触; 环形毯带由张紧装置提供 张力, 张力恒定、 可调; 由中心辊的旋转驱动力驱动环形毯带绕 行;
导辊,分别设置在环形毯带与中心辊接触的入口和出口附近, 该两导辊引导织物和转移印花载体进入或导出处于中心辊和包裹 环形毯带的加压辊之间的加压区间;
布置在环形毯带循环路径中的在线毯带清洗循环***, 包括 毯带清洗装置、 刮刀和煤箱, 环形毯带经毯带清洗装置清洗后, 通过刮刀刮除环形毯带表面水分, 再经烘箱干燥后, 即实现连续 循环应用;
糾偏装置, 其位于所述入口附近的导辊之后并位于待印织物 和转移印花载体进入中心辊与环形毯带接触的入口之前, 确保织 物和转移印花载体的横向定位精确;
烘燥箱, 位于环形毯带与中心辊接触的出口之后并位于织物 和转移印花载体分离处和织物收卷架之间; 以及
自动控制***, 用于控制车速、 毯带张力、 织物和转移印花 载体的张力、 传送糾偏和加压辊梯度压力。
2. 如权利要求 1所述多辊毯带式转移印花装置, 其特征是: 所述中心辊为表面包覆橡胶且空腔注油的金属辊, 外径为
(p600-1600mm, 表面橡胶邵氏硬度为 90度, 金属辊通过内置于 空腔的电热棒加热油液, 从而能将中心辊温度升温到 30-150°C。
3. 如权利要求 1所述多辊毯带式转移印花装置, 其特征是: 所述加压辊为表面包覆橡胶的金属辊,外径为(pl50-280mm, 表面橡胶邵氏硬度为 90度;加压辊中心轴的一端和伺服电机传动 连接;
所述支撑辊为金属辊, 外径为(pl00-150mm;
所述导辊为金属辊, 外径为(pl00-150mm。
4. 如权利要求 1所述多辊毯带式转移印花装置, 其特征是: 所述纠偏装置为单辊式水平摆动纠偏辊, 摆动角度: 士5。, 纠 偏范围: ±150mm, 糾偏精度: ±3mm。
5. 如权利要求 1所述多辊毯带式转移印花装置, 其特征是: 所述张紧装置采用气动张紧,张力恒定、 可调, 张紧装置由一 根安装在一对轴承上的张紧辊构成, 左右轴承和滑座连接, 滑座 安装在滑轨上,滑座通过传动装置能沿滑轨移动,带动张紧辊移动, 从而调节绕过张紧辊的毯带张力。
6. 如权利要求 1所述多辊毯带式转移印花装置, 其特征是: 所述环形毯带为无接缝的环形带, 环形带由聚酯衬布或橡胶 衬布制成, 邵氏硬度为 90度。
7. 如权利要求 1所述多辊毯带式转移印花装置, 其特征是: 所述毯带清洗装置由喷淋头、 毛刷和烘干器组成。
8. 如权利要求 1或 3所述多辊毯带式转移印花装置, 其特征 是:
所述加压辊的压力为单独可调, 通过自动控制***调节设定 并实现线压力一致, 或按照程序渐升和按照程序渐降。
9. 如权利要求 1所述多辊毯带式转移印花装置, 其特征是: 所述烘燥箱在需烘焙固色的印花织物生产过程中开启。
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