A kind of net equipment that stretches tight of screen printing
Technical field
The utility model relates to screen printing equipment, particularly a kind of net equipment that stretches tight of screen printing.
Background technology
Screen painting is the another kind of call of " serigraphy ", and because its equipment operating is relatively easy, device structure is simple, and has good print reproduction effect, is used widely at print field.Screen printing apparatus need of production uses screen printing forme, and screen printing forme is by the net equipment that stretches tight, silk screen grenadine to be fixed on chase, is made by a series of coatings, exposure, flushing operation.Screen printing process is to load ink on silk screen chase, by the pressure-acting of scraper, screen printing ink is transferred on stock, stamps pattern.While action due to doctor blade device, need to apply certain pressure at silk screen grenadine, therefore the grenadine on screen mesh printing plate must keep suitable tension force, and in order to reach good printing effect, described silk screen grenadine tension force also should be within the limits prescribed.
At present, in the net operation that stretches tight, the tension force power of clip cannot directly be measured.Operating personnel read tension force numerical value by place tensometer on silk screen grenadine.The net that stretches tight is to clamp silk screen grenadine by staff's working experience clip, so, if holding of clip is too tight, is easy to press from both sides bad silk screen grenadine; If clip get Tai Song, silk screen grenadine tension force can affect not again production.In addition, the tension force of silk screen grenadine is placed tensometer and is measured on half tone by operating personnel, the tension force difference of different clips, in the time regulating, staff also can only rule of thumb regulate the adjusting rotating disk after clip, make clip seesaw to increase or reduce tension force, make the tension of silk screen grenadine or relatively loosen.But this mode can not ensure whole half tone even tension, often there will be local overtension or too small phenomenon.And current clip is all General Purpose Rubber jaws, used that to cause for a long time rubber aging, while making to stretch tight net, silk screen grenadine slides, and causes tension force irregular.
Thereby prior art need to improve.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art part, the purpose of this utility model is to provide a kind of net equipment that stretches tight of screen printing, can detect the tension force of clip, thereby correctly regulates the size of the tension force of clip, ensures silk-screen plate uniform tension in order.
In order to achieve the above object, the utility model has been taked following technical scheme:
The net equipment that stretches tight of screen printing, wherein, comprising:
For the support frame of fixing chase size;
Be arranged on the guide rail on described support frame, be arranged at intervals with several for clamping silk screen grenadine and silk screen grenadine being fixed on to the clip that draws in the net on chase on described guide rail, each draws in the net to be provided with the sensor for detection of silk screen grenadine tension force on clip.
The net equipment that stretches tight of described screen printing, wherein, each draws in the net to be also provided with on clip one and draws in the net that clip seesaws the adjusting device of the tension force of finely tuning silk screen grenadine on guide rail and for controlling the switch of duty of described adjusting device for controlling.
The net equipment that stretches tight of described screen printing, wherein, also comprises that four groups for drawing in the net the power set that clip moves along front, rear, left and right described in controlling respectively; Described power set are motor or pneumatic means.
The net equipment that stretches tight of described screen printing, wherein, on described two relative jaws limits of drawing in the net clip, be arranged with equally distributed zigzag edge, and zigzag edge on each jaws limit is two rows, on the clamping face of each zigzag edge, is provided with cushion pad.
The net equipment that stretches tight of described screen printing, wherein, also comprises that one is arranged on the drying device for adhesive between dry silk screen grenadine and chase of silk screen grenadine top; Described drying device is hot-air drying device or UV lamp.
The net equipment that stretches tight of described screen printing, wherein, described drying device connects one for driving described drying device to realize the transmission mechanism of three-dimensional motion.
The net equipment that stretches tight of described screen printing, wherein, described transmission mechanism comprises an elevating lever, and one end of described elevating lever connects described drying device, and the other end is fixed on the first cross slide way, and is slidably connected with described the first cross slide way; The two ends of described the first cross slide way are separately fixed on the first longitudinal rail, and are slidably connected with described the first longitudinal rail.
The net equipment that stretches tight of described screen printing, wherein, is provided with one for finely tuning the size of support frame on described support frame, thereby extruding chase is to enterolithic pressurizing unit.
Compared to prior art, the net equipment that stretches tight of the screen printing that the utility model provides, owing to drawing in the net to be provided with sensor on clip, can measure and draw in the net the silk screen grenadine Tensity size of clip clamping, thereby correctly regulate silk screen grenadine tension force, ensure the consistent of silk-screen plate tension force, reach good printing effect.
In addition, the net equipment that stretches tight of the screen printing that the utility model provides, at the drying device that is provided for adhesive between dry silk screen grenadine and chase above silk screen grenadine, when by scraper or brush, adhesive (as certain glue) being coated on silk screen grenadine, can make adhesive rapid draing by mobile drying device to described dispensing area, silk screen grenadine and chase are bonded together, have greatly saved the time, improved efficiency.
Brief description of the drawings
The structural representation of the net equipment that stretches tight of the screen printing that Fig. 1 provides for the utility model embodiment.
The structural representation that draws in the net clip of the net equipment that stretches tight of the screen printing that Fig. 2 provides for the utility model embodiment.
Detailed description of the invention
The utility model provides a kind of net equipment that stretches tight of screen printing, for making the purpose of this utility model, technical scheme and effect clearer, clear and definite, referring to the accompanying drawing embodiment that develops simultaneously, the utility model is further described.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1 and Fig. 2, the structural representation of the net equipment that stretches tight of the screen printing that Fig. 1 provides for the utility model embodiment.The structural representation that draws in the net clip of the net equipment that stretches tight of the screen printing that Fig. 2 provides for the utility model embodiment.
As depicted in figs. 1 and 2, the net equipment that stretches tight of screen printing of the present utility model comprises: for the support frame 11 of fixing chase size; Be arranged on the guide rail 12 on described support frame, on described guide rail 12, be arranged at intervals with several for clamping silk screen grenadine 20 and silk screen grenadine 20 being fixed on and drawing in the net clip 13 on chase, each draws in the net to be provided with the sensor 14 for detection of silk screen grenadine tension force on clip 13.
When concrete enforcement, fix chase size by support frame 11, then, described guide rail 12 is provided with four according to support frame 11 directions, and surrounds rectangle, draws in the net clip 13 to be row and to arrange, and also surrounds rectangle according to guide rail 12 directions.Described drawing in the net is provided with the sensor 14 for detection of silk screen grenadine tension force on clip 13, the detection silk screen grenadine tension force that sensor 14 is measured is shown to staff in the mode of data, staff can correctly be regulated draw in the net the tension force of the corresponding silk screen grenadine of clip 13, thereby ensure silk-screen plate uniform tension in order.It should be noted that described sensor 14 adopts existing pressure sensor, because it is prior art, repeats no more herein.
Further, each draws in the net to be also provided with on clip 13 one and draws in the net that clip seesaws the adjusting device of the tension force of finely tuning silk screen grenadine on guide rail and for controlling the switch of duty of described adjusting device for controlling.In the present embodiment, each clip 13 that draws in the net arranges separately a switch and adjusting device, thereby can realize, each clip 13 that draws in the net is controlled.
Certainly, we also can adopt four groups of power set, and each group power set moves along front, rear, left and right for drawing in the net clip described in controlling respectively; Described power set are motor or pneumatic means, be mainly used in controlling and draw in the net clip 13 and move along the axial direction of guide rail 12 or perpendicular to guide rail direction, thereby can make the tension force of silk screen grenadine 20 finely tune in predetermined scope, and the control accuracy of motor is high, thereby make the tension force of silk screen grenadine 20 more accurate.
Further, as shown in Figure 2, be arranged with equally distributed zigzag edge on described two relative jaws limits of drawing in the net clip 13, and zigzag edge on each jaws limit is two rows, on the clamping face of each zigzag edge, is provided with cushion pad 131.This cushion pad 131 is foam, can effectively prevent from drawing in the net clip 13 to damage silk screen grenadine 20.
Further, as shown in Figure 1, the net equipment that stretches tight of screen printing of the present utility model also comprises that one is arranged on the drying device 15 for adhesive between dry silk screen grenadine and chase of silk screen grenadine top; Described drying device 15 is hot-air drying device or UV lamp.When by scraper or brush, adhesive (as certain glue) being coated on silk screen grenadine, can make adhesive rapid draing by mobile drying device to described dispensing area, silk screen grenadine and chase are bonded together, have greatly saved the time, improved efficiency.Described drying device connects one for driving described drying device to realize the transmission mechanism of three-dimensional motion.
The utility model provides a kind of drying device 15 at the motion mode stretching tight on net equipment: as shown in Figure 1, described transmission mechanism comprises an elevating lever 16, one end of described elevating lever 16 connects described drying device, the other end is fixed on the first cross slide way 17, and is slidably connected with described the first cross slide way 17; The two ends of described the first cross slide way 17 are separately fixed on the first longitudinal rail 18, and are slidably connected with described the first longitudinal rail 18, thereby can realize drying device in the motion of stretching tight on net equipment by control.
Further, when drawing in the net after clip 13 takes off, the suffered outside pulling force of silk screen grenadine 20 is cancelled, and silk screen grenadine 20 can inwardly shrink, and causes whole half tone to have small deformation, thus the printing quality of having influence on.In order to address this problem, we are provided with one for finely tuning the size of support frame on described support frame, thereby extruding chase is to enterolithic pressurizing unit.Before the net that stretches tight, push chase to internal strain by pressurizing unit, thereby balance out the deformation that the silk screen grenadine 20 after external force is cancelled inwardly shrinks, ensure printing quality.
In sum, the net equipment that stretches tight of the screen printing that the utility model provides, it comprises: for the support frame of fixing chase size; Be arranged on the guide rail on described support frame, be arranged at intervals with several for clamping silk screen grenadine and silk screen grenadine being fixed on to the clip that draws in the net on chase on described guide rail, each draws in the net to be provided with the sensor for detection of silk screen grenadine tension force on clip.Owing to drawing in the net to be provided with sensor on clip, can measure to draw in the net the silk screen grenadine Tensity size of clip clamping, thereby correctly regulate silk screen grenadine tension force, ensure the consistent of silk-screen plate tension force, reach good printing effect.
In addition, the net equipment that stretches tight of the screen printing that the utility model provides, at the drying device that is provided for adhesive between dry silk screen grenadine and chase above silk screen grenadine, when by scraper or brush, adhesive (as certain glue) being coated on silk screen grenadine, can make adhesive rapid draing by mobile drying device to described dispensing area, silk screen grenadine and chase are bonded together, have greatly saved the time, improved efficiency.
Be understandable that; for those of ordinary skills; can be equal to replacement or change according to the technical solution of the utility model and utility model design thereof, and all these changes or replacement all should belong to the protection domain of the appended claim of the utility model.