CN202264482U - Ink scraper device for screen printing machine - Google Patents
Ink scraper device for screen printing machine Download PDFInfo
- Publication number
- CN202264482U CN202264482U CN2011202763786U CN201120276378U CN202264482U CN 202264482 U CN202264482 U CN 202264482U CN 2011202763786 U CN2011202763786 U CN 2011202763786U CN 201120276378 U CN201120276378 U CN 201120276378U CN 202264482 U CN202264482 U CN 202264482U
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- drive unit
- blade shaft
- connecting rod
- process press
- screen process
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Abstract
An ink scraper device for a screen printing machine comprises a scraper shaft extending into a printing roller of the screen printing machine. The scraper shaft is eccentrically pivoted to the printing roller, a scraper shaft body is hollow, the scraper shaft is connected with an ink supply device, the surface of the scraper shaft is provided with an ink outlet, a scraper is mounted on the scraper shaft, and an adjusting mechanism is connected to the scraper shaft and comprises a connecting rod. One end of the connecting rod is connected with the scraper shaft in a sleeved manner, the middle of the connecting rod is hinged to a frame for mounting of the printing roller, one end, away from the scraper shaft, of the connecting rod is hinged to an output end of a driving device, the driving device is used for driving the connecting rod to rotate around a middle hinge of the driving device, and the driving device is connected with a control system of the screen printing machine. The connecting rod is driven by the driving device to rotate so as to drive the scraper shaft in pivotal rotation, the control system controls the feeding amount of the driving device to control the pivoting angle of the scraper shaft, and automatic adjustment can be realized. The ink scraper device for the screen printing machine is high in adjusting efficiency and high in adjusting precision.
Description
Technical field
The utility model relates to the screen printing apparatus technical field, particularly a kind of ink knife device of screen process press.
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Background technology
Screen printer (screen process press) is the common printing press that is used for printing word and image, generally is made up of mechanisms such as being coated with China ink, impression, transmission.Its operation principle is: the writings and image that will print is earlier processed forme; Forme is contained on the screen printer; Be coated on printing ink in the place that writings and image is arranged on the forme by manual work or screen printer then; Be transferred to directly or indirectly again on the stock (like ribbon, metallic plate, plastic cement, leather, plank, glass and pottery), thereby copy the printed matter identical with forme.
The roll-type structure is a kind of common structure of screen process press; It mainly comprises the roll body that a pair of synchronous backward rotates, promptly printing cylinder with undertake the printing of cylinder, said printing cylinder and undertaking the printing of is provided with the working clearance that the carrier that supplies to undertake the printing of passes between cylinder; Said printing cylinder is connected with ink feeder; Printing cylinder is latticed cylinder, comprises the tubular cylinder that curls, and printing ink oozes out from the grid of cylinder and is coated on the stock surface.In the course of work, can ooze out from grid with certain pressure for making printing ink, form suitable thickness on the stock surface, operated by rotary motion one ink knife in the printing cylinder is through the printing ink of this scraper extruding in ink feeder is supplied to printing cylinder; If it is need to change the ink thickness on stock surface, general through regulating the angle of ink knife, to realize adjusting to the printing ink extruder pressure.
Yet, existing screen process press, generally through manual adjustments, there is following defective in this regulative mode: 1, be difficult to realize accurate adjusting, regulating effect depends on operating personnel's experience to the angular adjustment of its ink knife; 2, efficient is low, and its regulating effect need can be learnt from the testing result of printed article, thereby---it is long that examination printing operation---detection printing effect---feeds back the adjustment process cycle of also regulating scraper angle once more to regulate scraper angle.
Summary of the invention
The purpose of the utility model is to the deficiency of prior art a kind of ink knife device of realizing automatic adjusting, efficient height, regulating the high screen process press of accuracy to be provided.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
A kind of ink knife device of screen process press comprises the blade shaft that stretches in the screen process press drum for screen print, and said blade shaft is eccentric in said printing cylinder setting pivotly; Blade shaft axis body hollow; Said blade shaft is connected with ink feeder, and the blade shaft surface offers ink export, and said blade shaft is equipped with scraper; Said blade shaft is connected with governor motion; Said governor motion comprises a connecting rod, said connecting rod one end and said blade shaft socket, and the connecting rod middle part is articulated in the frame that said printing cylinder is installed; Connecting rod is hinged away from the output of an end of said blade shaft and a drive unit, and said drive unit is for driving the drive unit of said connecting rod hinge through around the center; Said drive unit is connected with the control system of screen process press.
The further technical scheme of the utility model comprises:
One end of said connecting rod and blade shaft socket is provided with a collar, and the said collar is fixedly sleeved in blade shaft, and the said collar and said connecting rod are hinged.
Further, said blade shaft is provided with said governor motion at said printing cylinder two ends, the drive unit run-in synchronism of two governor motions.
Wherein, said drive unit is a stepper motor, and the output of this drive unit is for to convert the stepper motor rotating shaft into straight-line transmission formula output.
Or said drive unit is a servomotor, and the output of this drive unit is for to convert the servomotor rotating shaft into straight-line transmission formula output.
Also can be, said drive unit be the pressure cylinder type drive unit, and the output of this drive unit is the pressure cylinder piston rod.
According to above-described, the utility model also comprises a checkout gear, and said checkout gear is arranged at printing cylinder discharging one side, and said checkout gear is connected with said control system.
Said printing checkout gear comprises the thickness induction measurement devices, and/or the bright spot vision inspection apparatus.
The utility model beneficial effect is: the ink knife device of a kind of screen process press of the utility model, comprise the blade shaft that stretches in the screen process press drum for screen print, and said blade shaft is eccentric in said printing cylinder setting pivotly; Blade shaft axis body hollow; Said blade shaft is connected with ink feeder, and the blade shaft surface offers ink export, and said blade shaft is equipped with scraper; Said blade shaft is connected with governor motion; Said governor motion comprises a connecting rod, said connecting rod one end and said blade shaft socket, and the connecting rod middle part is articulated in the frame that said printing cylinder is installed; Connecting rod is hinged away from the output of an end of said blade shaft and a drive unit, and said drive unit is for driving the drive unit of said connecting rod hinge through around the center; Said drive unit is connected with the control system of screen process press; The utility model through drive unit drive connecting rod around the center hinge through; Pivot thereby drive blade shaft, the pivoting angle of blade shaft can be realized control through the amount of feeding of control system accessory drive, can realize automatic adjusting; Adjusting efficient is high, regulates the accuracy height.
Description of drawings
Utilize accompanying drawing that the utility model is described further, but the embodiment in the accompanying drawing does not constitute any restriction to the utility model.
Accompanying drawing 1 is the structural representation of ink knife device of a kind of screen process press of the utility model.
Accompanying drawing 2 is decomposition texture sketch mapes of ink knife device of a kind of screen process press of the utility model.
Accompanying drawing 3 is sketch mapes that the ink knife device of a kind of screen process press of the utility model is installed on screen process press.
Accompanying drawing 4 is side schematic views that the ink knife device of a kind of screen process press of the utility model is installed on screen process press.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
See Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, a kind of ink knife device of screen process press comprises the blade shaft 1 that stretches in the screen process press drum for screen print 2; Said blade shaft 1 is eccentric in said printing cylinder 2 pivotly and is provided with, blade shaft 1 axis body hollow, and said blade shaft 1 is connected with ink feeder; Blade shaft 1 surface offers ink export; Said blade shaft 1 is equipped with scraper 3, and said blade shaft 1 is connected with governor motion, and said governor motion comprises a connecting rod 4; Said connecting rod 4 one ends and 1 socket of said blade shaft; Connecting rod 4 middle parts are articulated in the frame 7 that said printing cylinder 2 is installed, and connecting rod 4 is hinged with the output of a drive unit 5 away from an end of said blade shaft 1, and said drive unit 5 is the drive unit 5 of the said connecting rod 4 of driving hinge through around the center; Said drive unit 5 is connected with the control system of screen process press.
The utility model is in when work, and printing materials such as printing ink and are conducted in the printing cylinder 2 through said ink export in ink feeder is supplied to blade shaft 1, and printing ink oozes out and is coated on the stock surface from the cylinder grid of printing cylinder 2; Printing cylinder 2 inner surfaces are pressed close in scraper 3 lower surfaces, with certain pressure extruding printing ink, printing ink are extruded cylinder; Because said blade shaft 1 is eccentric in the axle center of said printing cylinder 2 and installs; When so blade shaft 1 pivots; Change with the scraper 3 of blade shaft 1 rotation and the pressing spacing of printing cylinder 2 inner surfaces, thereby change the pressure that scraper 3 pushes printing ink, to change the leaching rate of printing ink from the cylinder grid.The utility model through drive unit 5 drive connecting rods 4 around the center hinge through; Pivot thereby drive blade shaft 1, the pivoting angle of blade shaft 1 can be realized control through the amount of feeding of control system accessory drive 5, can realize automatic adjusting; Adjusting efficient is high, regulates the accuracy height.
See illustrated in figures 1 and 2ly, the said connecting rod of the utility model 4 is provided with a collar 6 with an end of blade shaft 1 socket, and the said collar 6 is fixedly sleeved in blade shaft 1, and the said collar 6 is hinged with said connecting rod 4.Preferably, the said collar 6 is removably fixedly sleeved in blade shaft 1, can realize separating of governor motions and blade shaft 1 through the collar 6 like this, so that the initial position of adjustment scraper 3, or parts are changed in maintenance.
As preferred embodiment, the said blade shaft 1 of the utility model is provided with said governor motion at said printing cylinder 2 two ends, drive unit 5 run-in synchronisms of two governor motions.Blade shaft 1 pivots under the governor motion driven in synchronism at two ends like this, rotates more steadily accurately, has improved scraper 3 angular adjustment reliabilities.
Particularly, the said drive unit 5 of the utility model can be stepper motor, and the output of this drive unit 5 is for to convert the stepper motor rotating shaft into straight-line transmission formula output.Wherein, described transmission can be a turbine and worm formula transmission, perhaps screw mandrel transmission, and this is a transmission structure common in the mechanical transmission fields, does not give unnecessary details its transmission principle and the course of work here.The amount of feeding controllability of stepper motor is good, helps realizing the accurate control of scraper 3 angular adjustment.
Certainly, said drive unit 5 also can be servomotor, and the output of this drive unit 5 is for to convert the servomotor rotating shaft into straight-line transmission formula output.
Also can be, said drive unit 5 be a pressure cylinder type drive unit 5, and the output of this drive unit 5 is the pressure cylinder piston rod.Particularly, said pressure cylinder can be hydraulic cylinder or cylinder, and pressure cylinder type drive unit 5 costs are low, and its motion output is the linear reciprocating motion, need not the transmission direction conversion.
Wherein, the utility model also comprises a checkout gear, and said checkout gear is arranged at printing cylinder 2 dischargings one side, and said checkout gear is connected with said control system.Through said checkout gear; Can after accomplishing printing, gather data such as printed matter thickness; And feed back to the control system; So that the control system is transferred to drive unit 5 and real-time regulated scraper 3 angles with control signal immediately, this has further improved the scraper 3 angular adjustment accuracy and adjusting efficient of the utility model.
Particularly, said printing checkout gear comprises the thickness induction measurement devices, and/or the bright spot vision inspection apparatus.Described thickness induction measurement devices mainly comprises thickness transducer, is used for the thickness data of acquisition electrode material and feeds back to said control system, so that the control print thickness; Said bright spot vision inspection apparatus then mainly comprises industrial photographic means, and whether the printed article surface that is used to gather serigraphy exists the bright spot of not adhering to printing material, so that maintenance serigraphy assembly, to eliminate bright spot.The described thickness induction measurement devices that mainly comprises thickness transducer, and comprise that mainly the bright spot vision inspection apparatus of industrial photographic means is material tests technical field known technology commonly used, does not give unnecessary details its structure and operation principle here.
The above only is the preferred embodiments of the utility model, so all equivalences of doing according to the described structure of the utility model patent claim, characteristic and principle change or modify, includes in the utility model patent claim.
Claims (8)
1. the ink knife device of a screen process press comprises the blade shaft that stretches in the screen process press drum for screen print, and said blade shaft is eccentric in said printing cylinder setting pivotly; Blade shaft axis body hollow; Said blade shaft is connected with ink feeder, and the blade shaft surface offers ink export, and said blade shaft is equipped with scraper; It is characterized in that: said blade shaft is connected with governor motion; Said governor motion comprises a connecting rod, said connecting rod one end and said blade shaft socket, and the connecting rod middle part is articulated in the frame that said printing cylinder is installed; Connecting rod is hinged away from the output of an end of said blade shaft and a drive unit, and said drive unit is for driving the drive unit of said connecting rod hinge through around the center; Said drive unit is connected with the control system of screen process press.
2. the ink knife device of a kind of screen process press according to claim 1, it is characterized in that: an end of said connecting rod and blade shaft socket is provided with a collar, and the said collar is fixedly sleeved in blade shaft, and the said collar and said connecting rod are hinged.
3. according to the ink knife device of the described a kind of screen process press of claim 2, it is characterized in that: said blade shaft is provided with said governor motion at said printing cylinder two ends, the drive unit run-in synchronism of two governor motions.
4. according to the ink knife device of the described a kind of screen process press of claim 3, it is characterized in that: said drive unit is a stepper motor, and the output of this drive unit is for to convert the stepper motor rotating shaft into straight-line transmission formula output.
5. according to the ink knife device of the described a kind of screen process press of claim 3, it is characterized in that: said drive unit is a servomotor, and the output of this drive unit is for to convert the servomotor rotating shaft into straight-line transmission formula output.
6. the ink knife device of a kind of screen process press according to claim 3, it is characterized in that: said drive unit is the pressure cylinder type drive unit, the output of this drive unit is the pressure cylinder piston rod.
7. according to the ink knife device of any described a kind of screen process press of claim 1～6, it is characterized in that: it also comprises a checkout gear, and said checkout gear is arranged at printing cylinder discharging one side, and said checkout gear is connected with said control system.
8. the ink knife device of a kind of screen process press according to claim 7, it is characterized in that: said printing checkout gear comprises the thickness induction measurement devices, and/or the bright spot vision inspection apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202763786U CN202264482U (en) | 2011-08-01 | 2011-08-01 | Ink scraper device for screen printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202763786U CN202264482U (en) | 2011-08-01 | 2011-08-01 | Ink scraper device for screen printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202264482U true CN202264482U (en) | 2012-06-06 |
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ID=46155292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202763786U Expired - Lifetime CN202264482U (en) | 2011-08-01 | 2011-08-01 | Ink scraper device for screen printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202264482U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102303453A (en) * | 2011-08-01 | 2012-01-04 | 邱会生 | Printing ink scraper device of screen printing machine |
| CN103240961A (en) * | 2013-05-29 | 2013-08-14 | 昆山欧莱特印刷机械工业有限公司 | Ink scraping plate of screen printer |
| CN109177451A (en) * | 2018-07-30 | 2019-01-11 | 如皋市金轶纺织有限公司 | Yarn number doctor knife coater |
| CN109532214A (en) * | 2019-01-02 | 2019-03-29 | 京东方科技集团股份有限公司 | Printing machine and scraper method of adjustment |
| CN109590972A (en) * | 2019-01-18 | 2019-04-09 | 绵竹港华燃气有限公司 | A kind of grid lines drawing apparatus and its method for drafting for PE pipe welding procedure |
-
2011
- 2011-08-01 CN CN2011202763786U patent/CN202264482U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102303453A (en) * | 2011-08-01 | 2012-01-04 | 邱会生 | Printing ink scraper device of screen printing machine |
| CN102303453B (en) * | 2011-08-01 | 2013-12-25 | 邱会生 | Printing ink scraper device of screen printing machine |
| CN103240961A (en) * | 2013-05-29 | 2013-08-14 | 昆山欧莱特印刷机械工业有限公司 | Ink scraping plate of screen printer |
| CN109177451A (en) * | 2018-07-30 | 2019-01-11 | 如皋市金轶纺织有限公司 | Yarn number doctor knife coater |
| CN109532214A (en) * | 2019-01-02 | 2019-03-29 | 京东方科技集团股份有限公司 | Printing machine and scraper method of adjustment |
| CN109532214B (en) * | 2019-01-02 | 2021-11-12 | 京东方科技集团股份有限公司 | Printing press and doctor blade adjusting method |
| CN109590972A (en) * | 2019-01-18 | 2019-04-09 | 绵竹港华燃气有限公司 | A kind of grid lines drawing apparatus and its method for drafting for PE pipe welding procedure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120606 Effective date of abandoning: 20131225 |
|
| RGAV | Abandon patent right to avoid regrant |