CN104827765A - Printing machine and control method thereof - Google Patents
Printing machine and control method thereof Download PDFInfo
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- CN104827765A CN104827765A CN201510251290.1A CN201510251290A CN104827765A CN 104827765 A CN104827765 A CN 104827765A CN 201510251290 A CN201510251290 A CN 201510251290A CN 104827765 A CN104827765 A CN 104827765A
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- galley
- version ketone
- ketone
- printing
- printing machine
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Abstract
The invention provides a printing machine and a control method thereof, and relates to the manufacturing field of LCDs. The printing machine comprises a printing device and a detecting device. The printing device comprises a glue homogenizing roller and a version ketone body, a printing plate is absorbed to the version ketone body and is used for printing an alignment film to a substrate through the printing plate, and the glue homogenizing roller is used for coating an alignment solution to the printing plate on the version ketone body. The detecting device is used for detecting the attaching degree of the printing plate and the version ketone body and for generating a detection result. The printing plate on the version ketone body is coated with the alignment solution. The detecting device is used for detecting the attaching degree of the printing plate and the version ketone body and for generating the detection result. Based on the scheme, the looseness between the printing plate and the version ketone body can be discovered in time, and therefore the phenomenon that interference rolling happens to the printing plate and the glue homogenizing roller in the printing process, and thus lattice points on the printing plate are damaged can be avoided.
Description
Technical field
The present invention relates to the manufacture field of liquid crystal display, particularly a kind of printing machine and control method.
Background technology
The liquid crystal that liquid crystal indicator comprises array base palte, color membrane substrates and is arranged between array base palte and color membrane substrates.In order to make array base palte and color membrane substrates stabilizing liquid crystal direction in not alive situation, need to form alignment film on array base palte and color membrane substrates.
Fig. 1 is the structural representation of an alignment film printing machine, and in the prior art, flexible printing plate 3 is rolled by vacuum suction by version ketone 2.Anilox roller 1 applies alignment liquid (i.e. the material liquid of alignment film, as polyimides PI liquid) to the flexible printing plate 3 on version ketone 2 simultaneously.Version ketone 2 own rotation, utilizes flexible printing plate 3 to print alignment film to substrate 4.
If flexible printing plate 3 fails tightly to be fitted on edition ketone 2, in feeding process, flexible printing plate 3 will interfere with smoothing roller 1, causes pattern site on flexible printing plate 3 to damage, finally cause the alignment film of substrate not up to standard, even make flexible printing plate 3 thoroughly scrap.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of printing machine and control method, can loosening between Timeliness coverage galley and version ketone, thus avoid in printing process, the site of galley is impaired.
For solving the problems of the technologies described above, embodiments of the invention provide a kind of printing machine, comprising:
Printing equipment and checkout gear;
Described printing equipment comprises: anilox roller and version ketone; Described version ketone is adsorbed with galley, for by galley, to substrate printing alignment film; Described anilox roller is for applying alignment liquid to the galley on described version ketone;
Described checkout gear for detecting the laminating degree of described galley and described version ketone, and generates a testing result.
Wherein, described printing machine also comprises:
Control device, for controlling the start and stop of described printing equipment according to described testing result.
Wherein, described printing machine is provided with and locks up district and coating area;
Described district of locing up is placed with galley, and described coating area is provided with described anilox roller;
Described printing equipment also comprises:
Transfer assembly, locks up district and coating area described in being moved to by described version ketone;
Wherein, described version ketone adsorbs described galley in described district of locing up, and in described coating area, is that the galley that described version ketone adsorbs applies alignment liquid by described anilox roller.
Wherein, described checkout gear comprises:
Lock up first detecting unit in district described in being arranged on, at described version ketone after the described galley of absorption, detect this galley and whether occur to loosen on described version ketone.
Wherein, described checkout gear also comprises:
Be arranged on the second detecting unit of described coating area, in the process of described anilox roller to the galley coating alignment liquid on described version ketone, detect this galley and whether occur to loosen on described version ketone.
Wherein, described first detecting unit and described second detecting unit are the laser sensor be connected with described control device.
Wherein, described first detecting unit comprises: the first laser transmitting set and the first laser pickoff; After locing up district described in being moved to by described moving assembly when described version ketone, if described galley occurs to loosen on described version ketone, then the detection track blocked at least partially between described first laser transmitting set and the first laser pickoff of described galley;
Described second detecting unit comprises: the second laser transmitting set and the second laser pickoff; After described version ketone is moved to described coating area by described moving assembly, if described galley occurs to loosen on described version ketone, then the detection track blocked at least partially between described second laser transmitting set and the second laser pickoff of described galley.
Wherein, the detection track of described second laser transmitting set and the second laser pickoff is arranged on described version ketone and is between anilox roller.
Wherein, described printing machine also comprises: position regulator; Described first laser transmitting set, the first laser pickoff, the second laser transmitting set and the second laser pickoff are arranged on described position regulator, and can change fixed position on this position regulator.
Wherein, described printing machine, also comprises:
Feed appliance, is arranged on above described anilox roller, for adding alignment liquid to described anilox roller;
Scraper, for scraping the alignment liquid that all described feed appliance adds to described anilox roller.
Wherein, described printing machine also comprises:
The warning device be connected with described control device;
Wherein, if described testing result indicates described galley to occur to loosen on described version ketone, described control device controls described warning device work.
Wherein, described printing machine also comprises:
Transmit table top, for the substrate of alignment film to be printed is moved to be positioned at coating area version ketone below.
In addition, the present invention also provides a kind of control method being applied to above-mentioned printing machine, comprising:
Control the version ketone absorption galley of printing equipment;
Control the anilox roller of printing equipment to the galley coating alignment liquid on described version ketone;
The version ketone controlling printing equipment prints alignment film by galley to substrate;
Control the laminating degree that checkout gear detects described galley and described version ketone, and generate a testing result.
Wherein, controlling the version ketone absorption galley of printing equipment, controlling described version ketone and rotating according to pre-fixing turn; Described control checkout gear detects the laminating degree of described galley and described version ketone, comprising:
During described version ketone rotates according to described pre-fixing turn, control the laminating degree that described checkout gear detects described galley and described version ketone.The beneficial effect of technique scheme of the present invention is as follows:
Technical scheme of the present invention found by checkout gear to occur between galley and version ketone loosening after, cylinder and anilox roller can be stopped in time rolling, thus avoid galley and damaged by anilox roller on version ketone.
Accompanying drawing explanation
Fig. 1 is the schematic diagram to substrate printing alignment film in prior art;
Fig. 2-Fig. 6 is the structural representation of printing machine of the present invention.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
As shown in Figure 1, embodiments of the invention provide a kind of printing machine, comprising:
Printing equipment and checkout gear 4;
Printing equipment comprises: anilox roller 1 and version ketone 2;
Version ketone 2 is adsorbed with galley 3, for printing alignment film by galley 3 to substrate; Anilox roller 1 is for applying alignment liquid to the galley 3 on version ketone 2;
Checkout gear 4 for detecting the laminating degree of galley 3 and version ketone 2, and generates a testing result.
Of the present invention should brush machine utilize its checkout gear to find to occur between galley and version ketone loosening after, cylinder and anilox roller can be stopped in time rolling, thus avoid galley and damaged by anilox roller on version ketone.
On the basis of the above, can also in the printing machine of the present embodiment access control device 5, the testing result that this control device 5 is generated by checkout gear, controls the start and stop of printing equipment.That is, when galley and version ketone occur to loosen, the printing machine of the present embodiment can cut out printing equipment wherein automatically.
In addition, also on the basis of the present embodiment, can add warning device further, this warning device is connected with control device, and when galley and version ketone occur to loosen, control device controls warning device work, notes in time to remind operating personnel.In specific implementation, warning device can be the hardware device sending alarm sound, also can be the digital control system of software form.
In addition, as shown in Figure 3, printing machine of the present invention divides to have and locks up district A and coating area B;
Locing up district A is the region that edition ketone 2 adsorbs galley 3, its put need edition ketone 2 adsorb galley 3; Coating area B is that anilox roller 1 applies the region of alignment liquid to the galley 3 that version ketone 2 adsorbs, and namely anilox roller 1 is arranged on coating area B;
Wherein, printing equipment also includes transfer assembly, and transfer assembly is responsible for version ketone 2 to move to lock up district A and coating area B;
In specific implementation, transfer assembly can be the mechanical arm connecting version ketone 2 turning cylinder, version ketone 2 can be moved to the top of the galley 3 of locing up district A by this mechanical arm, by version ketone 2 vacuum suction galley 3, and rotate, roll whole for galley 3, version ketone 2 is moved to coating area B by mechanical arm more afterwards, is that galley 3 on version ketone 2 applies alignment liquid by anilox roller 1.Or as shown in Figure 3, transfer assembly is made up of the slide block 21 be connected with version ketone 2 turning cylinder and guide rail 22, and slide block 21 slides at guide rail 22, edition ketone 2 can be made to move to and lock up district A or coating area B.
Further, for avoiding galley 3 to damage as far as possible, the checkout gear of the present embodiment comprises: the first detecting unit 41 and the second detecting unit 42.First detecting unit 41 is arranged on locks up district, once can loosen detection after version ketone 2 adsorbs galley 3.Particularly, version ketone 2 is after locing up district's absorption galley 3, and can rotate, during rotation, the first detecting unit 41 works, and determines whether galley 3 is fitted on edition ketone 2 completely.Second detecting unit 42 is arranged on coating area, for applying in the process of alignment liquid at anilox roller 1 to galley 3, carrying out loosening and detecting.
When specific implementation such scheme, the first detecting unit 41 and the second detecting unit 42 can be the laser sensors be connected with control device 5.Exemplarily, the first detecting unit and the second detecting unit can as shown in Figure 4, be made up of a laser transmitting set x and a laser pickoff y respectively.
When version ketone 2 is being lockd up after district A rolls galley 3, if galley 3 occurs to loosen on version ketone 2, the then detection track that can block at least partially between the laser transmitting set of the first detecting unit and laser pickoff of galley 3, the amount of laser light causing the first laser pickoff to receive is less than default amount of laser light, causes connected control device to be known in time and loosen occur and perform associated safety operation.
In like manner, when version ketone 2 is moved after assembly moves to coating area B, namely in the process to substrate printing alignment film, if galley 3 occurs to loosen on version ketone 2, the detection track that can block at least partially between the laser transmitting set of the second monitoring means and the second laser pickoff of galley 3, the amount of laser light causing the second laser pickoff to receive is less than default amount of laser light, causes connected control device to be known in time and loosen occur and perform associated safety operation.
Further, with reference to figure 4, laser transmitting set x and laser pickoff y can be arranged on position regulator 6.Operating personnel can detection demand corresponding to the galley of different-thickness, comes accommodation laser transmitting set x and the fixed position of laser pickoff y on position regulator 6.
Certainly, preferably, as shown in Figure 5, the laser transmitting set x of the second detecting unit and the detecting position of laser pickoff y are put and are arranged between edition ketone 2 and anilox roller 1.In printing process, what the second detecting unit not only can detect that galley 3 occurs on version ketone 2 loosens, and can also detect anilox roller 1 whether run-off the straight, thus the accident occurred during reminding operating personnel to note printing in time.
In addition, as shown in Figure 6, in the printing machine of the present embodiment, be also provided with feed appliance 7 above anilox roller 1, alignment liquid (alignment film material liquid) can add on anilox roller 1 by feed appliance 7.Meanwhile, anilox roller 1 is also provided with scraper 8, in anilox roller 1 rotary course, scraper 8 can scrape the alignment liquid on equal anilox roller 1.Further, the board 5 of printing machine is also provided with transmission table top, transmit table top be used for the substrate 9 of alignment film to be printed to move to be positioned at coating area version ketone 2 below, version ketone 2 prints alignment film by galley 3 to substrate 9.
In addition, the present invention also provide a kind of be applied to above-mentioned should the control method of brush machine, comprising:
Step S1, controls the version ketone absorption galley of printing equipment;
Step S2, controls the anilox roller of printing equipment to the galley coating alignment liquid on described version ketone;
Step S3, the version ketone controlling printing equipment prints alignment film by galley to substrate;
Step S4, controls the laminating degree that checkout gear detects described galley and described version ketone, and generates a testing result.Further, in this step, when testing result indicates described galley to occur to loosen on described version ketone, then galley can be stopped to carry out work, wait for that operating personnel unload galley.
In the method for the present embodiment, when can occur between Timeliness coverage galley and version ketone to loosen by checkout gear, damaged from avoiding galley further by anilox roller.
Exemplarily, after controlling the version ketone absorption galley of printing equipment, control described version ketone further and rotate according to pre-fixing turn; During described version ketone rotates according to described pre-fixing turn, control the laminating degree that described checkout gear detects described galley and described version ketone.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (14)
1. a printing machine, is characterized in that, comprising:
Printing equipment and checkout gear;
Described printing equipment comprises: anilox roller and version ketone; Described version ketone is adsorbed with galley, for by galley, to substrate printing alignment film; Described anilox roller is for applying alignment liquid to the galley on described version ketone;
Described checkout gear for detecting the laminating degree of described galley and described version ketone, and generates a testing result.
2. printing machine according to claim 1, is characterized in that, also comprises:
Control device, for controlling the start and stop of described printing equipment according to described testing result.
3. printing machine according to claim 1, is characterized in that,
Described printing machine is provided with locks up district and coating area;
Described district of locing up is placed with galley, and described coating area is provided with described anilox roller;
Described printing equipment also comprises:
Transfer assembly, locks up district and coating area described in being moved to by described version ketone;
Wherein, described version ketone adsorbs described galley in described district of locing up, and in described coating area, is that the galley that described version ketone adsorbs applies alignment liquid by described anilox roller.
4. printing machine according to claim 3, is characterized in that,
Described checkout gear comprises:
Lock up first detecting unit in district described in being arranged on, at described version ketone after the described galley of absorption, detect this galley and whether occur to loosen on described version ketone.
5. printing machine according to claim 4, is characterized in that,
Described checkout gear also comprises:
Be arranged on the second detecting unit of described coating area, in the process of described anilox roller to the galley coating alignment liquid on described version ketone, detect this galley and whether occur to loosen on described version ketone.
6. printing machine according to claim 5, is characterized in that,
Described first detecting unit and described second detecting unit are the laser sensor be connected with described control device.
7. printing machine according to claim 6, is characterized in that,
Described first detecting unit comprises: the first laser transmitting set and the first laser pickoff; After locing up district described in being moved to by described moving assembly when described version ketone, if described galley occurs to loosen on described version ketone, then the detection track blocked at least partially between described first laser transmitting set and the first laser pickoff of described galley;
Described second detecting unit comprises: the second laser transmitting set and the second laser pickoff; After described version ketone is moved to described coating area by described moving assembly, if described galley occurs to loosen on described version ketone, then the detection track blocked at least partially between described second laser transmitting set and the second laser pickoff of described galley.
8. printing machine according to claim 6, is characterized in that, also comprises:
The detection track of described second laser transmitting set and the second laser pickoff is arranged on described version ketone and is between anilox roller.
9. printing machine according to claim 6, is characterized in that, also comprises:
Position regulator;
Described first laser transmitting set, the first laser pickoff, the second laser transmitting set and the second laser pickoff are arranged on described position regulator, and can change fixed position on this position regulator.
10. printing machine according to claim 1, is characterized in that, also comprises:
Feed appliance, is arranged on above described anilox roller, for adding alignment liquid to described anilox roller;
Scraper, for scraping the alignment liquid that all described feed appliance adds to described anilox roller.
11. printing machines according to claim 2, is characterized in that, also comprise:
The warning device be connected with described control device;
Wherein, if described testing result indicates described galley to occur to loosen on described version ketone, described control device controls described warning device work.
12. printing machines according to claim 1, is characterized in that, also comprise:
Transmit table top, for the substrate of alignment film to be printed is moved to be positioned at coating area version ketone below.
13. 1 kinds of control methods, are applied to the printing machine as described in claim 1-12, it is characterized in that, comprising:
Control the version ketone absorption galley of printing equipment;
Control the anilox roller of printing equipment to the galley coating alignment liquid on described version ketone;
The version ketone controlling printing equipment prints alignment film by galley to substrate;
Control the laminating degree that checkout gear detects described galley and described version ketone, and generate a testing result.
14. control methods according to claim 13, is characterized in that,
Controlling the version ketone absorption galley of printing equipment, controlling described version ketone and rotating according to pre-fixing turn;
Described control checkout gear detects the laminating degree of described galley and described version ketone, comprising:
During described version ketone rotates according to described pre-fixing turn, control the laminating degree that described checkout gear detects described galley and described version ketone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510251290.1A CN104827765B (en) | 2015-05-15 | 2015-05-15 | A kind of printing machine and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510251290.1A CN104827765B (en) | 2015-05-15 | 2015-05-15 | A kind of printing machine and control method |
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| CN104827765A true CN104827765A (en) | 2015-08-12 |
| CN104827765B CN104827765B (en) | 2017-12-29 |
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| CN201510251290.1A Expired - Fee Related CN104827765B (en) | 2015-05-15 | 2015-05-15 | A kind of printing machine and control method |
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