The transfer device of cold-transfer printing machine
Technical field
The present invention relates to the dyeing machine in the textile machine, specifically be meant a kind of transfer device of cold-transfer printing machine.According to the technological requirement of cold-transfer printing, with transfer paper with by seal fabric driving fit, the transfer device that matches through transfer roll and transfer belt acting surface under certain pressure and time conditions, makes dyestuff pattern transfer on the paper to fabric.
Background technology
The method of transfer printing was released in the whole world in nineteen sixty-eight because this product meets energy-conservation and environmental requirement with production technology, operate simple again, so on market, started a stamp revolution already very soon.But this transfer printing is confined to synthetic fabrics such as polyester fiber, and is applied to cotton, and hair waits on the natural fabric with silk, remains in many shortcomings and problem.In recent years, the cotton transfering printing technology is achieved success, and the cotton transfer printing is will the dyestuff that originally was imprinted on the cotton be imprinted on earlier on the transfer paper, uses machinery or chemical method transfer printing again on cotton.Early stage transfer printing machine adopts hot pressing transfer printing mode, and it is that conduction oil is placed in the transfer printing machine home roll cavity, utilizes electrothermal tube heating conduction oil built-in in the home roll cavity, makes it the home roll surface and produces high temperature.When shift marble paper and fabric with the driving fit form main pressure of pressing two rollers and high temperature action down through the time, the pattern of dyestuff printing impels its pattern to distil bat printing to chemical & blended fabric owing under pressure and the high temperature double action on the transfer printing paper.The cotton transfering printing technology also adopts the roll transfer device in early days, and it is to utilize tangent linear pressure between two rubber rollers, and two interfaces of transfer printing paper and fabric are close together, and has carried out the transfer printing of environment-friendly type.But in practical operation, because long rubber roller, under two axle heads were exerted pressure situation, very easy roll body distortion and the generation amount of deflection of producing caused the fabric that is transferred to be the dark middle shallow phenomenon in two limits.In order to overcome this significant deficiency, when cold transfer printing fabric, adopted the evenness calender device both at home and abroad, utilize the principle of oil pressure, put on the roll body different oil pressure through oil pump, remedy axle head and receive dandy roll to scratch the defective of deformationization.Like Chinese patent notification number " CN2827725Y ", exercise question is " the roll transfer device of cold-transfer printing machine ", utilizes this transfer device and method exactly, has improved the yield rate of transfer printing fabric, but does not further solve the rate of transform of dyestuff.Same U.S. Patent number " US5799580A ", exercise question is " the transfer printing paper mold transfer device of vegetable fibre fabric ", has introduced a kind of roller-type transfer device.This roller-type transfer device adopts a pair roller; Its king roller is a warm-up mill; After vegetable fibre fabric to be printed and the transfer printing paper driving fit; The crush-cutting shape gets between a pair roller and carries out transfer printing, and the vegetable fibre fabric that transfer printing is good was reeled behind the most heating periphery of king roller, sent into the fabric warrping cloth beam and accomplished the transfer printing task.This a pair roller formula transfer device is to be contained in the case room, discharges hot-air through cooling water.The transfer device of this heated roll formula can improve the transfer quality of fabric, but still carry out transfer printing with a pair roller, can not solve an above-mentioned difficult problem equally, because of needs heating king roller, has increased heater again.In order to overcome this difficult problem, the publication number of Denmark Hong Kong companies is CN1346312A, is entitled as the patent of " transfer printing machhine ", has introduced a kind of transfer device of annular transfer belt.It is with after waiting to print fabric and transfer printing paper driving fit, sends between the transfer device of being made up of roll and annular transfer belt and carries out transfer printing, can improve the transferring rate of dyestuff pattern.But, adopt annular transfer belt to have brought difficulty for manufacturing, installation and replacing, the 2nd, the meeting build-up of pressure was unstable when annular transfer belt was rotated stamp, influenced product quality.
Summary of the invention
For problems such as the stamp time weak point that solves existing cold-transfer printing machine transfer device, stamp pressure transients.The invention provides a kind of transfer device of cold-transfer printing machine, can overcome these shortcomings, improve the pressure stability and the time that increases transfer printing of transfer device.Transfer device provided by the invention; Comprise base, strap, transfer belt, transfer roll, pressue device, bearing block and drive; Said transfer roll is circular roll; The central shaft two ends of transfer roll are supported by bearing and bearing block and are connected with pressue device, and the drive that is connected with transmission mechanism is arranged by the bearing of its central shaft one end; Said base is the spill rigid base, and it is fixed on the frame; Said transfer belt by strap be fixedly connected on the spill rigid base about face; Transfer roll can rotate and can move up and down with respect to transfer belt around its central shaft, and transfer roll prints fabric with commentaries on classics marble paper, transfer paper and quilt, printed the acting surface driving fit mutually of fabric and transfer belt, and wherein, transfer belt is actionless in transfer process; And between transfer belt and concave metal base one cooling device is arranged.During transfer device work; Between seal fabric and transfer paper driving fit process transfer roll and transfer belt; Transfer roll is under the pressue device pressurization; Match with transfer belt down along rail plate seat guiding, under the transmission mechanism effect, drive transfer paper simultaneously and printed fabric and rotate together, completion transfer printing function; The concave metal base is fixed.Said transfer roll is the metallic roll that periphery coats the polyamide glue-line; Or the metallic roll of coating acrylonitrile-butadiene rubber layer; Or the periphery of transfer roll coats the metallic roll of the even adding pressure type of inner chamber full width face oil pressure of polyamide glue-line; Or the metallic roll of the even adding pressure type of inner chamber full width face oil pressure of coating acrylonitrile-butadiene rubber layer, or all-metal roller.Said transfer belt is the flexible metal steel band, or the metal steel band of surfaces coated fluoride, or rubber strip, or the tetrafluoroethylene plastic tape; Transfer belt is static during transfer device work, and is sliding friction between the seal fabric.Said cooling device is air-cooled or air-cooling apparatus.It is to be connected with pneumatic or hydraulic pulldown respectively with bearing and bearing block through connecting rod that the two ends of said transfer roll central shaft are connected with pressue device by bearing and bearing block; Or there are two rail plate seats on the central shaft both sides of transfer roll two sides, and the two ends of transfer roll central shaft are connected with pneumatic or hydraulic pulldown by bearing and bearing block.Before said transfer roll and transfer belt acting surface matched, being printed the non-stamp of fabric simultaneously had a lubricating arrangement.
Base can have three kinds of versions.1. basic model: made of one piece spill rigid base, transfer belt by strap connect the spill rigid base about face, the spill rigid base is fixed on the frame.Transfer roll and transfer belt acting surface match, and the matching surface size is constant, but the pressure between scalable transfer roll and transfer belt acting surface is big or small.2. mobile model: base is symmetrical two movable spill rigid bases.Said transfer belt is connected the side of base by strap.Two bases can horizontally slip and regulate and fixing.Then transfer roll and transfer belt acting surface match, and the adjustable size of matching surface joint, and the pressure size between transfer roll and transfer belt acting surface is scalable still.3. rotation: base be about two round rollers, about said transfer belt is connected by strap on two rotating round rollers.Transfer roll and the transfer belt adjustable size joint of acting surface that matches then, the pressure size between transfer roll and transfer belt acting surface is scalable still.
Transfer printing device provided by the invention; Because transfer belt is actionless, can be as the transfer belt of transfer printing pressure roller that rotates or rotation because the accuracy of manufacture, pressurization and self-deformation and rotate instability and produce problem such as uneven stamp pressure.Transfer belt can form the transfer printing district of pressure stability with the transfer roll that rotates, and the adjustment of its pressure is pneumatic or hydraulic pressure regulator adjusting by transfer roll; Simultaneously because transfer belt is non-circular ring type flexible material; Receive restrictions such as the accuracy of manufacture and motion deformation with respect to the circular ring type transfer belt; Or with respect to the quantitative limitation of transfer roll rubber deformation, can access the identical length bigger, promptly bigger stamp district with transfer roll; Like this, under same speed, also just equal to have increased the transfer printing time; The transfer belt of non-circular ring type flexible material and the position and the transfer belt length of transfer roll can be adjusted simultaneously, just can adjust the identical length of transfer belt and transfer roll in use easily, i.e. the size in stamp district.The advantage of transfer printing device of the present invention is transfer printing district and the sufficiently long transfer printing time that pressure stability can be provided, and guarantees the transfer printing quality when the high speed transfer stamp, and can adapt to the transfer printing requirement of multiple different size fabric.The wherein use of cooling device; Can balance because the heat that is produced by sliding friction between seal fabric and the transfer belt; Guarantee that transfer belt can Yin Wendu rise and is out of shape, promptly the transfer belt temperature is unstable and elongated shortening causes that printing area changes and the variation of transfer printing pressure.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 transfer printing device sketch map.
Fig. 2 modification A transfer printing device sketch map.
Fig. 3 modification B transfer printing device sketch map.
Shown in the figure:
The 1-base
The 2-strap
The 3-transfer belt
4-is printed fabric
5-transfer paper
The 6-transfer roll
7-rail plate seat
The 8-pressue device
9-fabric take-off roller
10-transfer paper takers-in
11-transfer paper send winding up roller
The 12-fabric send winding up roller
The 13-lubricating arrangement
The 14-cooling device
The 15-bearing block
The 16-drive
The 17-mounting seat
The 18-sliding seat
19-installs roller
The 20-bearing block
The 21-bearing
The 22-retaining mechanism
The specific embodiment
Embodiment 1
The transfer device of cold-transfer printing machine.
See shown in Figure 1: the transfer device of cold-transfer printing machine is the middle part that is positioned at transfer printing machine, comprises components of machine such as base, strap, transfer belt, transfer roll, pressue device, cooling device, bearing block and drive.The transfer device of this cold-transfer printing machine is connected and composed by transfer roll 6, transfer belt 3, cooling device 14 and base 1 from top to bottom.In this embodiment, base 1 is a made of one piece spill rigidity dimple.Base 1 is fixed on the frame.Said transfer roll 6 is circular rolls, and the two ends of transfer roll central shaft are supported by bearing and bearing block 15 and are connected with pressue device 8, and a drive 16 that is connected with the cold-transfer printing machine transmission mechanism is equipped with on the bearing side of its central shaft one end.Said transfer belt 3 by strap 2 be fixed on the spill rigid base about on the face, transfer belt 3 transfixions in transfer process.Transfer roll 6 should match with transfer belt 3 acting surfaces, and 1 of transfer belt 3 and spill base are a cooling device 14.Said transfer roll is the metallic roll that periphery coats the polyamide glue-line; Or the metallic roll of coating acrylonitrile-butadiene rubber layer; Or the periphery of transfer roll coats the metallic roll of the even adding pressure type of inner chamber full width face oil pressure of polyamide glue-line; Or the metallic roll of the even adding pressure type of inner chamber full width face oil pressure of coating acrylonitrile-butadiene rubber layer, or all-metal roller.Said transfer belt 3 is the flexible metal steel band, or the metal steel band of surfaces coated fluoride, or rubber strip, or the tetrafluoroethylene plastic tape.Said cooling device is air-cooled or air-cooling apparatus.The two ends of said transfer roll central shaft are connected with pneumatic or hydraulic loading system through linkage with pressue device by bearing and bearing block; Or there are two rail plate seats 7 on the central shaft both sides of transfer roll two sides, and the two ends of transfer roll central shaft are connected by bearing and bearing block, pressue device and pneumatic or hydraulic loading system and can in two rail plate seats 7, move.Said transfer roll and the transfer belt acting surface last side that matches has a lubricating arrangement 13.
The operation principle of cold-transfer printing according to the invention mechanism is following: transfer paper 5 and through unshowned damping device dewing and through 13 pairs of bottoms of lubricating arrangement lubricated by seal fabric 4 together; By conveying mechanism separately; Be that transfer paper send winding up roller 11 and fabric to send winding up roller 12 to be sent between transfer roll 6 and the transfer belt 3; The transfer printing of pressurizeing, stamp pressure is regulated size by the pressue device 8 at transfer roll 6 two ends and unshowned pneumatic or hydraulic loading system.Transfer paper 5 and by seal fabric 4 by separately spooler, promptly fabric take-off roller 9 and transfer paper takers-in 10 go out from traction between transfer roll 6 and the transfer belt 3, and batch.Transfer roll 6 turns and can in rail plate 7, move up and down with respect to static transfer belt 3; At the transfer printing position; Transfer paper 5 and by seal fabric 4 through and transfer roll 6 between the frictional force transmission and carry out synchronous relative motion with transfer roll 6, is slided relatively by being printed between fabric 4 and the static transfer belt of not rotating 3.Therefore, cooling device 14 is installed, can cools off, guarantee that the frictional heating of transfer belt 3 can spread out of smoothly transfer belt 3 in transfer belt 3 bottoms.Quilt seal fabric 4 bottoms of while before transfer device are equipped with lubricating arrangement 13 and are lubricated, so that reduce to be printed the frictional resistance between fabric and the transfer belt.Transfer roll 6 rotates in bearing block 15 through the power by drive 16 transmission; The frictional force that forms between transfer roll 6 that rotates through pressue device 8 pressurization and the transfer belt 3; And the fabric under the tension force effect send winding up roller 12 and transfer paper to send winding up roller 11, fabric take-off roller 9 and transfer paper takers-in 10; By the synchronous continuous motion of seal fabric 4 and transfer paper 5 and transfer roll 6, thereby accomplish continuous transfer printing function.Send winding up roller and takers-in can transfer paper 5 and the quilt seal fabric 4 that enter into the stamp district be provided accurately stable entering and derive tension force.Pressue device 8 can provide stamp needed accurate pressure for exactly transfer roll 6; The transfer roll 6 that pressurizes downwards during stamp moves down it; Upwards exerting pressure during off working state upwards lifts transfer roll 6, and rail plate seat 7 can guarantee that transfer roll 6 is accurate with the relative position of transfer belt 3.Damping device offers by seal fabric 4 needed cloth humidity.Transfer belt 3 is fixed on the transfer belt base 1 through strap 2, can adjust itself and the level of transfer roll 6 and the regular length of transfer belt 3 when mounted, thereby satisfy the printing technology requirement.Eliminated by cooling device 11 because of fricative heat by seal fabric 4 and transfer belt 3, guarantee not to cause the variation of pressure because heat makes transfer belt 3 produce distortion.
Embodiment 2
The transfer printing mechanism of modification A.
See shown in Figure 2: its principle and specific embodiments are except that the base form is different, and other structure and embodiment 1 are identical.Difference is that the former transfer belt base 1 among Fig. 1 changes into two transfer belt mounting seat 17 among Fig. 2; Base 17 can move on sliding seat 18 and can pin; Such advantage is can adjust the position of transfer belt mounting seat 17 in the horizontal direction as required, promptly adjusts the size of embossed region; Also can carry out simultaneously transfer belt 3 and adjust i.e. stamp pressure uniformity adjustment with the depth of parallelism of transfer roll 6.The advantage of the transfer printing mechanism of modification A is to regulate the pressure of transfer roll to transfer belt, can also regulate the match size of acting surface of transfer roll and transfer belt.
Embodiment 3
The transfer printing mechanism of modification B.
See shown in Figure 3: its principle and specific embodiments are except that base is different, and other structure and embodiment 1 are identical.Difference is that the former transfer belt base 1 among Fig. 1 changes into two transfer belt rollers 19 are installed; Transfer belt is installed the retaining mechanism 22 that roller 19 two ends are equipped with bearing 21, bearing block 20 and can be made its rotation and locking, and wherein at least one transfer belt installation roller 19 is rotary.Such advantage is can open retaining mechanism as required and rotate transfer belt installation roller 19; Regulate transfer belt 3 and the short size of promptly adjusting the transfer printing district of the parcel face length on the transfer roll 6; Also can carry out simultaneously the depth of parallelism adjustment of transfer belt 3 at any time, guarantee the uniformity of stamp pressure.The advantage of the transfer printing mechanism of modification B is to regulate the pressure of transfer roll to transfer belt, can also under non-stop-machine situation, regulate the match size of acting surface of transfer roll and transfer belt.