CN204547333U - A kind of doctor blade device, stencil printer and can the system of stencil printer Automatic-feeding be given - Google Patents
A kind of doctor blade device, stencil printer and can the system of stencil printer Automatic-feeding be given Download PDFInfo
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- CN204547333U CN204547333U CN201420716776.9U CN201420716776U CN204547333U CN 204547333 U CN204547333 U CN 204547333U CN 201420716776 U CN201420716776 U CN 201420716776U CN 204547333 U CN204547333 U CN 204547333U
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Abstract
The utility model discloses a kind of doctor blade device, stencil printer and can to the system of stencil printer Automatic-feeding, comprise: inside is provided with the scraper body of closed cavity, the closed cavity inside of scraper body is provided with piston body, scraper body is provided with the scraper body cylinder be connected with piston body, scraper body is provided with the turnover raw material mouth for making raw material pass in and out scraper body closed cavity; Scraper body cylinder is used for the closed cavity internal motion of driven plunger body at scraper body, makes the closed cavity inside of scraper body produce negative pressure, absorbs the raw material at the turnover raw material mouth place of scraper body.Form a negative pressure in the closed cavity inside of scraper body, absorb back in the closed cavity of scraper body by the raw material of striking non-on steel mesh, the raw material like this after printing would not remain on steel mesh, keeps the clean of steel mesh.
Description
Technical field
The utility model relates to paste solder printing and battery print field, particularly relates to a kind of doctor blade device, stencil printer, can give the system of stencil printer Automatic-feeding.
Background technology
Now domestic at present stencil printer tin cream when printing is on steel mesh entirely, promotes to come in before tin cream rolls on steel mesh printing by scraper; Because machine is ceaselessly operating, machine intimate can raise because of the work of electric elements temperature slowly, and tin cream just can not be placed for a long time on steel mesh, if machine stops, tin cream just must collect, otherwise can exsiccation slowly.
Summary of the invention
The utility model embodiment provides a kind of doctor blade device, comprise: inside is provided with the scraper body of closed cavity, the closed cavity inside of described scraper body is provided with piston body, described scraper body is provided with the scraper body cylinder be connected with described piston body, described scraper body is provided with the turnover raw material mouth for making raw material pass in and out described scraper body closed cavity;
Described scraper body cylinder, for driving described piston body at the closed cavity internal motion of described scraper body, makes the closed cavity inside of described scraper body produce negative pressure, absorbs the raw material at described turnover raw material mouth place.
Preferably, described scraper body is provided with feeding chamber;
Described feeding chamber is used for storing and supplying raw materials to described scraper body.
Preferably, described feeding chamber comprises: two separate the first feeding chambers for taking up raw material and the second feeding chamber;
Described first feeding chamber inside is provided with first piston, and described first feeding chamber outer setting has the first cylinder be connected with described first piston;
Described first cylinder is for driving described first piston at described first feeding chamber internal motion, and make described first feeding chamber inside produce air pressure, the seal chamber raw material of described first feeding chamber inside being pressed into described scraper body is inner;
Described second feeding chamber inside is provided with the second piston, and described second feeding chamber outer setting has the second cylinder be connected with described second piston;
Described second cylinder is for driving described second piston at described second feeding chamber internal motion, and make described second feeding chamber inside produce air pressure, the seal chamber raw material of described second feeding chamber inside being pressed into described scraper body is inner.
Preferably, described first feeding chamber inside is also provided with the first pressure sensor, described second feeding chamber inside is also provided with the second pressure sensor, and described scraper body is also provided with the control device be conducted with described first pressure sensor and described second pressure sensor;
Described first pressure sensor and described second pressure sensor are used for the internal pressure responding to described first feeding chamber and described second feeding chamber respectively;
Described control device is used for the internal pressure of described first feeding chamber and described second feeding chamber sensed respectively according to described first pressure sensor and described second pressure sensor, control described first cylinder and described second cylinder respectively to described first feeding chamber and described second feeding chamber pressurization, make to there is pressure differential between described first feeding chamber inside and described second feeding chamber inside, thus raw material can flow between the seal chamber of described first feeding chamber, described scraper body and described second feeding chamber.
Preferably, described first feeding chamber and described second feeding chamber are respectively arranged with the first charging aperture and the second charging aperture;
Described first charging aperture and described second charging aperture are used for adding raw material to described first feeding chamber and described second feeding chamber inside.
A kind of stencil printer, comprising:
Doctor blade device described above and printed steel mesh;
Described doctor blade device is provided with scraper, and the turnover raw material mouth of described doctor blade device is near described scraper;
Described scraper and described printed steel mesh fit tightly;
Described scraper is for striking off under described first cylinder and described second cylinder drive the effect of described first piston and described second piston respectively, seal chamber raw material in described first feeding chamber and described second feeding chamber being pressed into described scraper body is inner, and is extruded into the raw material on described printed steel mesh by described turnover raw material mouth.
Preferably, comprising: described first induction installation be connected with the control device conducting of described doctor blade device and the second induction installation;
Described first induction installation and described second induction installation are separately positioned on two ends of described doctor blade device movement travel repeatedly on described stencil printer;
Described first induction installation is used for when described doctor blade device is scraped to described first induction installation, trigger described first induction installation, make described control device control first piston described in described first air cylinder driven and be greater than the pressure of the second piston described in described second air cylinder driven in described second feeding chamber inside generation at the pressure that described first feeding chamber inside produces, thus the inner raw material of described first feeding chamber is extruded on described printed steel mesh by the turnover raw material mouth of described doctor blade device, and raw material unnecessary in described doctor blade device is clamp-oned described second feeding chamber;
Described second induction installation is used for when described doctor blade device is scraped to described second induction installation, trigger described second induction installation, make described control device control the second piston described in described second air cylinder driven and be greater than the pressure of first piston described in described first air cylinder driven in described first feeding chamber inside generation at the pressure that described second feeding chamber inside produces, thus the inner raw material of described second feeding chamber is extruded on described printed steel mesh by the turnover raw material mouth of described doctor blade device, and raw material unnecessary in doctor blade device is clamp-oned described first feeding chamber.
Preferably, described doctor blade device is also provided with seal bootr;
It is outside that described seal bootr cover is combined in described scraper, for described doctor blade device when non-operation, protects described scraper.
Preferably, described first induction installation and described second induction installation adopt photoelectric position limit to open the light, or mechanical stop.
A system for stencil printer Automatic-feeding can be given,
Comprise: stencil printer and feeder apparatus;
Described feeder apparatus comprises the level-sensing device that the feeding device that is communicated with the second charging aperture of the second feeding chamber with the first charging aperture of the first feeding chamber of described stencil printer respectively and the first feeding chamber and the second feeding chamber for detecting described stencil printer carry material quantity;
Described feeding device comprises Level control module;
Described Level control module is electrically connected with described level-sensing device, during for reaching setting threshold value when the first feeding chamber of described stencil printer or the material quantity of the second feeding chamber, described level-sensing device sends pulse signal to described Level control module, and described Level control module controls in the feed bin that described feeding device stops reaching described threshold value to described stencil printer reinforced according to described pulse signal.
As can be seen from the above technical solutions, the utility model has the following advantages:
Scraper body air cylinder driven piston body, at the closed cavity internal motion of scraper body, makes the closed cavity inside of scraper body produce negative pressure, absorbs the raw material at the turnover raw material mouth place of scraper body.Form a negative pressure at the closed cavity internal-internal of scraper body, the raw material of striking non-on steel mesh is absorbed back in the closed cavity of scraper body, just do not need manually by unspent material collection after printing like this, thus improve production efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical solution of the utility model, be briefly described to the accompanying drawing used required in description below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structure chart of an embodiment of the doctor blade device that Fig. 1 provides for the utility model;
The structure chart of another embodiment of the doctor blade device that Fig. 2 provides for the utility model;
The structure chart of another embodiment of the doctor blade device that Fig. 3 provides for the utility model;
The scraper of the stencil printer that Fig. 4 provides for the utility model and the structure chart of seal bootr.
Description of reference numerals:
1 scraper body, 2 scraper body cylinders, 3 piston bodies, 4 turnover raw material mouths, 5 scrapers, 6 seal bootrs, 11 first feeding chambers, 12 first cylinders, 13 first pistons, 14 first charging apertures, 21 second feeding chambers, 22 second cylinders, 23 second pistons, 24 second charging apertures
Detailed description of the invention
For making utility model object of the present utility model, feature, advantage can be more obvious and understandable; specific embodiment and accompanying drawing will be used below; the technical scheme of the utility model protection is clearly and completely described; obviously; the embodiments described below are only the utility model part embodiments, and the embodiment of not all.Based on the embodiment in this patent, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of this patent protection.
In the present embodiment, refer to Fig. 1 and shown in composition graphs 2, comprise: inside is provided with the scraper body 1 of closed cavity, the closed cavity inside of scraper body 1 is provided with piston body 3, scraper body 1 is provided with the scraper body cylinder 2 be connected with piston body 3, scraper body 1 is provided with the turnover raw material mouth 4 for making raw material pass in and out;
Scraper body cylinder 2, for the closed cavity internal motion of driven plunger body 3 at scraper body 1, makes the closed cavity inside of scraper body 1 produce negative pressure, absorbs the raw material at turnover raw material mouth 4 place of scraper body 1.Here raw material comprises the raw material such as tin cream or printing slurry.
Be understandable that, scraper body cylinder 2 driven plunger body 3 is moved up and down along doctor blade device by the parallel plane direction of scraper in the closed cavity inside of scraper body 1, the turnover raw material mouth 4 of scraper body 1 is made to produce negative pressure, just do not need manually by unspent material collection after such printing, thus improve production efficiency
It can thus be appreciated that scraper body cylinder 2 driven plunger body, at the closed cavity internal motion of scraper body 1, makes the closed cavity inside of scraper body 1 produce negative pressure, absorbs the raw material at the turnover raw material mouth place of scraper body 1.Form a negative pressure at the closed cavity internal-internal of scraper body 1, absorb back in the closed cavity of scraper body 1 by the raw material of striking non-on steel mesh, the raw material like this after printing would not remain on steel mesh, keeps the clean of steel mesh.
In the present embodiment, scraper body is provided with feeding chamber; Feeding chamber is used for storing and supplying raw materials to scraper body.Be understandable that feeding chamber can the storage of raw materials, and in scraper process, supply raw materials to scraper body.
Further, in the present embodiment, feeding chamber comprises: two separate the first feeding chamber 11 and the second feeding chambers 21 for taking up raw material;
First feeding chamber 11 inside is provided with first piston 13, and the first feeding chamber 11 outer setting has the first cylinder 12 be connected with first piston 13; First cylinder 12, for driving first piston 13 at the first feeding chamber 11 internal motion, makes the first feeding chamber 11 inside produce air pressure, by inner for the seal chamber of the raw material of the first feeding chamber 11 inside press-in scraper body 1;
Second feeding chamber 21 inside is provided with the second piston 23, second feeding chamber 21 outer setting the second cylinder 22 be connected with the second piston 23; Second cylinder 22, for driving the second piston 23 at the second feeding chamber 21 internal motion, makes the second feeding chamber 21 inside produce air pressure, by inner for the seal chamber of the raw material of the second feeding chamber 21 inside press-in scraper body 1.
Term " first ", " second ", " the 3rd " " 4th " etc. (if existence) in description of the present utility model and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged in the appropriate case, so as embodiment of the present utility model described herein can with except here diagram or describe those except order implement.In addition, term " comprises " and " having " and their any distortion, and intention is to cover not exclusive comprising.
In the present embodiment, first feeding chamber 11 and the second feeding chamber 21 are for taking up raw material, and by the first cylinder 12, first piston 13, second cylinder 22 and the second piston 23 in the first feeding chamber 11 and the second feeding chamber 21, respectively at the first feeding chamber 11 and the second feeding chamber 21 internal motion, seal chamber raw material being pressed into scraper body 1 is inner, the striking of supply doctor blade device.Cylinder and piston is added like this in the first feeding chamber 11 and the second feeding chamber 21, the first feeding chamber 11 and the second feeding chamber 21 inside can be made to produce negative pressure, by air cylinder driven piston movement, by inner for the seal chamber of the raw material of the first feeding chamber 11 and the second feeding chamber 21 inside press-in scraper body 1, achieve auto feed effect.
In order to avoid the uncontrollable too much raw material of press-in that will cause of the pressure produced due to the first feeding chamber 11 and the second feeding chamber 21 inside enters in the seal chamber of scraper body 1, can not striking timely use, raw material is made longly to cause drying and the problem lost efficacy in seal chamber standing time of scraper body 1, in the present embodiment, refer to shown in Fig. 3, first feeding chamber 11 inside is also provided with the first pressure sensor, second feeding chamber 21 inside is also provided with the second pressure sensor, and be conducted with the first pressure sensor and the second pressure sensor, and the first cylinder 21 and the second cylinder 22 control device to the first feeding chamber 11 and the pressurization of the second feeding chamber 21 can be controlled,
First pressure sensor and the second pressure sensor are for responding to the internal pressure of the first feeding chamber 11 and the second feeding chamber 21;
Control device is used for the internal pressure of the first feeding chamber 11 and the second feeding chamber 21 responded to according to the first pressure sensor and the second pressure sensor, by controlling the pressurization to the first feeding chamber 11 and the second feeding chamber 21 of the first cylinder 12 and the second cylinder 22, make to there is pressure differential between the first feeding chamber 11 inside and the second feeding chamber 21 inside, impel raw material can flow between the seal chamber of the first feeding chamber 11, scraper body 1 and the second feeding chamber.
It can thus be appreciated that, the first pressure sensor is also provided with in the first feeding chamber 11 inside, second feeding chamber 21 inside is also provided with the second pressure sensor, arrange in doctor blade device inside and be conducted with the first pressure sensor and the second pressure sensor, and the first cylinder 21 and the second cylinder 22 control device to the first feeding chamber 11 and the pressurization of the second feeding chamber 21 can be controlled; Such first pressure sensor and the second pressure sensor can detect the first feeding chamber 11 and the second feeding chamber 21 internal pressure in real time, and regulate the first feeding chamber 11 and the second feeding chamber 21 internal pressure by control device, make to there is pressure differential between the first feeding chamber 11 inside and the second feeding chamber 21 inside, impel raw material can flow between the seal chamber of the first feeding chamber 11, scraper body 1 and the second feeding chamber.
Concrete, if the pressure of the first feeding chamber 11 is greater than the second feeding chamber 21 internal pressure, will the seal chamber that raw material enters scraper body 1 from raw material be clamp-oned steel mesh by turnover raw material mouth like this, simultaneously because the seal chamber of scraper body 1 contacts with steel mesh, the seal chamber of scraper body 1 is a closed cavity, and it is inner that the second feeding chamber 21 just clamp-oned by raw material unnecessary like this.Prevent from resting in seal chamber at the redundance of the seal chamber inside of scraper body 1, and above action can be repeated like this, raw material is shuttling movement back and forth between the first feeding chamber 11 and the second feeding chamber 21 just, so just serve the stirring action of raw material, raw material is prevented to be not easy drying and to lose efficacy, and after raw material stirred fully, make to scrape that to put effect better.
As a same reason, if the pressure of the second feeding chamber 21 is greater than the first feeding chamber 11 internal pressure, will the seal chamber that raw material enters scraper body 1 from raw material be clamp-oned steel mesh by turnover raw material mouth like this, simultaneously because the seal chamber of scraper body 1 contacts with steel mesh, the seal chamber of scraper body 1 is a closed cavity, and it is inner that the first feeding chamber 11 just clamp-oned by raw material unnecessary like this.
Certainly two feeding chambers arranged in the present embodiment, in order to make raw material shuttling movement back and forth abundant, and doctor blade device structure is more reasonable, two feeding chambers is arranged on the both sides of scraper body, the height of two feeding chambers, higher than scraper body seal chamber, is convenient to the flowing of raw material like this.
Here also can arrange multiple feeding chamber, the pressure between feeding chamber is controlled by control device, and unnecessary raw material is remained to the flowing of direction, makes can to keep between multiple feeding chamber the pressure differential that stable.
In the present embodiment, the first feeding chamber 11 and the second feeding chamber 21 are respectively arranged with the first charging aperture 14 and the second charging aperture 24; First charging aperture 14 and the second charging aperture 24 are for adding raw material to the first feeding chamber 11 and the second feeding chamber 21 inside.
The utility model provides a kind of stencil printer, comprising: doctor blade device and printed steel mesh; Doctor blade device is provided with scraper 5, and the turnover raw material mouth 4 of doctor blade device is arranged near scraper 5;
Scraper 5 and the printed steel mesh of doctor blade device fit tightly, for the raw material in the first feeding chamber 11 of doctor blade device and the second feeding chamber 21, under the first cylinder 12 and the second cylinder 22 drive the effect of first piston 13 and the second piston 23, seal chamber raw material being pressed into scraper body 1 is inner, be extruded on printed steel mesh by the turnover raw material mouth 4 of doctor blade device, and struck off by scraper 5.
Scraper 5 and the printed steel mesh of doctor blade device fit tightly, and the seal chamber inside can reducing scraper body 1 exchanges with ambient atmos, reduces by first feeding chamber 11 and second feeding chamber 21 inner cylinders effect, brings energy-saving and cost-reducing to production.
In the utility model, the motion of doctor blade device is back and forth reciprocal, be not run toward the direction, in order to increase work efficiency, the utilization rate of increase equipment, comprises at stencil printer: the first induction installation be connected with the control device conducting of doctor blade device and the second induction installation.Here the first induction installation and the second induction installation can adopt photoelectric position limit to open the light, or mechanical stop etc., object is in order to control doctor blade device movement position reciprocal back and forth.
Further in the utility model, the first induction installation and the second induction installation are separately positioned on two ends of doctor blade device movement travel repeatedly on stencil printer, during for scraping to the first induction installation when doctor blade device, trigger the first induction installation, make control device control the first cylinder 12 drive first piston 13 first feeding chamber 11 inside produce pressure be greater than the second cylinder 22 drive the second piston 23 second feeding chamber 21 inside produce pressure, the inner raw material of first feeding chamber 11 is extruded on printed steel mesh by the turnover raw material mouth 4 of doctor blade device, and raw material unnecessary in doctor blade device is clamp-oned the second feeding chamber 21,
When doctor blade device is scraped to the second induction installation, trigger the second induction installation, make control device control the second cylinder 22 drive the second piston 23 second feeding chamber 21 inside produce pressure be greater than the first cylinder 12 drive first piston 13 first feeding chamber 11 inside produce pressure, the inner raw material of second feeding chamber 21 is extruded on printed steel mesh by the turnover raw material mouth 4 of doctor blade device, and raw material unnecessary in doctor blade device is clamp-oned the first feeding chamber 11.
Here operation principle is the same with the Stress control principle of above-mentioned doctor blade device, difference is that the first induction installation is connected with the control device of doctor blade device with the second induction installation, and control device controls inner pressure change by doctor blade device at the running orbit of stencil printer.
In the utility model, refer to shown in Fig. 4, doctor blade device is also provided with seal bootr 6; It is outside that seal bootr 6 cover is combined in scraper 5, for doctor blade device when non-operation, and protection scraper 5.
Concrete, before printing, manually take off the seal bootr 6 of doctor blade device, scraper 5 declines, and steel mesh is close to by scraper 5, makes the closed cavity of scraper body and steel mesh form a closed cavity; Scraper body cylinder drives scraper body piston body to decline simultaneously.
In the utility model, also providing a kind of to the system of stencil printer Automatic-feeding, can comprise: stencil printer and feeder apparatus;
Feeder apparatus comprises the level-sensing device that the feeding device that is communicated with the second charging aperture 24 with the first feeding chamber 11 of stencil printer and the first charging aperture 14 of the second feeding chamber 21 respectively and the first feeding chamber 11 and the second feeding chamber 21 for detecting stencil printer carry material quantity;
Feeding device comprises Level control module;
Level control module is electrically connected with level-sensing device, during for reaching setting threshold value when the first feeding chamber 11 of stencil printer and the material quantity of the second feeding chamber 21, level-sensing device sends pulse signal to Level control module, and Level control module controls feeding device according to pulse signal and stops in first feeding chamber 11 and the second feeding chamber 21 of stencil printer reinforced.
It can thus be appreciated that, first charging aperture 14 and the second charging aperture 24 of the first feeding chamber 11 and the second feeding chamber 21, couple together with feeder apparatus, just can form an automatic feed system, need not manually timing go add tin cream or printing slurry, and artificial reinforced trouble can be saved, operating efficiency is provided, can the production automation be realized.
Here feeder apparatus can adopt belt-type automatic feeder, specifically raw material is joined feed bin, by belt-conveying in the first feeding chamber 11 and the second feeding chamber 21, certainly can also be transmitted etc. by chain.
In order to can stencil printer be absolutely proved, illustrate with the scraper method of specific embodiment below:
First the scraper of doctor blade device and printed steel mesh are fitted tightly;
When doctor blade device is scraped to the first induction installation, trigger the first induction installation, make control device control the first air cylinder driven first piston and be greater than the pressure of the second air cylinder driven second piston in the second feeding chamber inside generation at the pressure that the first feeding chamber inside produces, doctor blade device is made to put in raw material process scraping on printed steel mesh, the inner raw material of first feeding chamber is extruded on printed steel mesh by the turnover raw material mouth of doctor blade device, and raw material unnecessary in the scraper body of doctor blade device is clamp-oned the second feeding chamber;
When doctor blade device is scraped to the second induction installation, the scraper body air cylinder driven piston body of doctor blade device, at the closed cavity internal motion of scraper body, makes the closed cavity inside of scraper body produce negative pressure, absorbs the raw material at scraper body turnover raw material mouth place;
Simultaneously, make control device control the second air cylinder driven second piston and be greater than the pressure of the first air cylinder driven first piston in the first feeding chamber inside generation at the pressure that the second feeding chamber inside produces, doctor blade device is made to put in raw material process scraping on printed steel mesh, the inner raw material of second feeding chamber is extruded on printed steel mesh by the turnover raw material mouth of doctor blade device, and raw material unnecessary in doctor blade device is clamp-oned the first feeding chamber;
When doctor blade device is scraped to the first induction installation, the scraper body air cylinder driven piston body of doctor blade device is at the closed cavity internal motion of scraper body, the closed cavity inside of scraper body is made to produce negative pressure, absorb the raw material at scraper body turnover raw material mouth place, return S2 step to start to scrape and put raw material, until scraper process terminates.
Such scraper body air cylinder driven piston body, at the closed cavity internal motion of scraper body, makes the closed cavity inside of scraper body produce negative pressure, absorbs the raw material at the turnover raw material mouth place of scraper body.Form a negative pressure at the closed cavity internal-internal of scraper body, absorb back in the closed cavity of scraper body by the raw material of striking non-on steel mesh, the raw material like this after printing would not remain on steel mesh, keeps the clean of steel mesh.
Raw material can also be made to circulate between the first feeding chamber and the second feeding chamber, prevent redundance from resting in the seal chamber of scraper body, make raw material just shuttling movement back and forth between the first feeding chamber and the second feeding chamber, so just serve the stirring action of raw material, prevent raw material be not easy drying and lost efficacy.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a doctor blade device, it is characterized in that, comprise: inside is provided with the scraper body of closed cavity, the closed cavity inside of described scraper body is provided with piston body, described scraper body is provided with the scraper body cylinder be connected with described piston body, described scraper body is provided with the turnover raw material mouth for making raw material pass in and out described scraper body closed cavity;
Described scraper body cylinder, for driving described piston body at the closed cavity internal motion of described scraper body, makes the closed cavity inside of described scraper body produce negative pressure, absorbs the raw material at described turnover raw material mouth place.
2. doctor blade device according to claim 1, is characterized in that,
Described scraper body is provided with feeding chamber;
Described feeding chamber is used for storing and supplying raw materials to described scraper body.
3. doctor blade device according to claim 2, is characterized in that,
Described feeding chamber comprises: two separate the first feeding chambers for taking up raw material and the second feeding chamber;
Described first feeding chamber inside is provided with first piston, and described first feeding chamber outer setting has the first cylinder be connected with described first piston;
Described first cylinder is for driving described first piston at described first feeding chamber internal motion, and make described first feeding chamber inside produce air pressure, the seal chamber raw material of described first feeding chamber inside being pressed into described scraper body is inner;
Described second feeding chamber inside is provided with the second piston, and described second feeding chamber outer setting has the second cylinder be connected with described second piston;
Described second cylinder is for driving described second piston at described second feeding chamber internal motion, and make described second feeding chamber inside produce air pressure, the seal chamber raw material of described second feeding chamber inside being pressed into described scraper body is inner.
4. doctor blade device according to claim 3, is characterized in that,
Described first feeding chamber inside is also provided with the first pressure sensor, described second feeding chamber inside is also provided with the second pressure sensor, and described scraper body is also provided with the control device be conducted with described first pressure sensor and described second pressure sensor;
Described first pressure sensor and described second pressure sensor are used for the internal pressure responding to described first feeding chamber and described second feeding chamber respectively;
Described control device is used for the internal pressure of described first feeding chamber and described second feeding chamber sensed respectively according to described first pressure sensor and described second pressure sensor, control described first cylinder and described second cylinder respectively to described first feeding chamber and described second feeding chamber pressurization, make to there is pressure differential between described first feeding chamber inside and described second feeding chamber inside, thus raw material can flow between the seal chamber of described first feeding chamber, described scraper body and described second feeding chamber.
5. doctor blade device according to claim 3, is characterized in that,
Described first feeding chamber and described second feeding chamber are respectively arranged with the first charging aperture and the second charging aperture;
Described first charging aperture and described second charging aperture are used for adding raw material to described first feeding chamber and described second feeding chamber inside.
6. a stencil printer, is characterized in that, comprising:
As doctor blade device and the printed steel mesh of claim 1 to 5 any one;
Described doctor blade device is provided with scraper, and the turnover raw material mouth of described doctor blade device is near described scraper;
Described scraper and described printed steel mesh fit tightly;
Described scraper is for striking off under described first cylinder and described second cylinder drive the effect of described first piston and described second piston respectively, seal chamber raw material in described first feeding chamber and described second feeding chamber being pressed into described scraper body is inner, and is extruded into the raw material on described printed steel mesh by described turnover raw material mouth.
7. stencil printer according to claim 6, is characterized in that,
Comprise: described first induction installation be connected with the control device conducting of described doctor blade device and the second induction installation;
Described first induction installation and described second induction installation are separately positioned on two ends of described doctor blade device movement travel repeatedly on described stencil printer;
Described first induction installation is used for when described doctor blade device is scraped to described first induction installation, trigger described first induction installation, make described control device control first piston described in described first air cylinder driven and be greater than the pressure of the second piston described in described second air cylinder driven in described second feeding chamber inside generation at the pressure that described first feeding chamber inside produces, thus the inner raw material of described first feeding chamber is extruded on described printed steel mesh by the turnover raw material mouth of described doctor blade device, and raw material unnecessary in described doctor blade device is clamp-oned described second feeding chamber;
Described second induction installation is used for when described doctor blade device is scraped to described second induction installation, trigger described second induction installation, make described control device control the second piston described in described second air cylinder driven and be greater than the pressure of first piston described in described first air cylinder driven in described first feeding chamber inside generation at the pressure that described second feeding chamber inside produces, thus the inner raw material of described second feeding chamber is extruded on described printed steel mesh by the turnover raw material mouth of described doctor blade device, and raw material unnecessary in doctor blade device is clamp-oned described first feeding chamber.
8. stencil printer according to claim 6, is characterized in that,
Described doctor blade device is also provided with seal bootr;
It is outside that described seal bootr cover is combined in described scraper, for described doctor blade device when non-operation, protects described scraper.
9. stencil printer according to claim 7, is characterized in that,
Described first induction installation and described second induction installation adopt photoelectric position limit to open the light, or mechanical stop.
10. can give a system for stencil printer Automatic-feeding, it is characterized in that,
Comprise: stencil printer and feeder apparatus;
Described feeder apparatus comprises the level-sensing device that the feeding device that is communicated with the second charging aperture of the second feeding chamber with the first charging aperture of the first feeding chamber of described stencil printer respectively and the first feeding chamber and the second feeding chamber for detecting described stencil printer carry material quantity;
Described feeding device comprises Level control module;
Described Level control module is electrically connected with described level-sensing device, during for reaching setting threshold value when the first feeding chamber of described stencil printer or the material quantity of the second feeding chamber, described level-sensing device sends pulse signal to described Level control module, and described Level control module controls in the feed bin that described feeding device stops reaching described threshold value to described stencil printer reinforced according to described pulse signal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420716776.9U CN204547333U (en) | 2014-11-24 | 2014-11-24 | A kind of doctor blade device, stencil printer and can the system of stencil printer Automatic-feeding be given |
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| CN201420716776.9U CN204547333U (en) | 2014-11-24 | 2014-11-24 | A kind of doctor blade device, stencil printer and can the system of stencil printer Automatic-feeding be given |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494292A (en) * | 2014-11-24 | 2015-04-08 | 东莞市凯格精密机械有限公司 | Scraper |
| WO2017214798A1 (en) * | 2016-06-13 | 2017-12-21 | 深圳市兴华炜科技有限公司 | Solder paste dispensing mechanism and dispensing method thereof |
| CN112677638A (en) * | 2020-12-25 | 2021-04-20 | 东莞市凯格精机股份有限公司 | Solder paste recovery device and printing device |
| CN113546808A (en) * | 2021-07-19 | 2021-10-26 | 广东工业大学 | Dispensing structure and dispensing method for nano metal paste |
| CN114227050A (en) * | 2022-01-13 | 2022-03-25 | 北京金雨科创自动化技术股份有限公司 | Frequency converter IGBT production processing system |
| CN115091840A (en) * | 2022-07-26 | 2022-09-23 | 扬州市玄裕电子有限公司 | Solder paste printing machine for processing flexible circuit board |
-
2014
- 2014-11-24 CN CN201420716776.9U patent/CN204547333U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494292A (en) * | 2014-11-24 | 2015-04-08 | 东莞市凯格精密机械有限公司 | Scraper |
| CN104494292B (en) * | 2014-11-24 | 2017-08-22 | 东莞市凯格精密机械有限公司 | A kind of doctor blade device, stencil printer and its automatic feeding system and scraper method |
| WO2017214798A1 (en) * | 2016-06-13 | 2017-12-21 | 深圳市兴华炜科技有限公司 | Solder paste dispensing mechanism and dispensing method thereof |
| CN112677638A (en) * | 2020-12-25 | 2021-04-20 | 东莞市凯格精机股份有限公司 | Solder paste recovery device and printing device |
| CN113546808A (en) * | 2021-07-19 | 2021-10-26 | 广东工业大学 | Dispensing structure and dispensing method for nano metal paste |
| CN114227050A (en) * | 2022-01-13 | 2022-03-25 | 北京金雨科创自动化技术股份有限公司 | Frequency converter IGBT production processing system |
| CN114227050B (en) * | 2022-01-13 | 2023-09-05 | 北京金雨科创自动化技术股份有限公司 | IGBT production processing system of frequency converter |
| CN115091840A (en) * | 2022-07-26 | 2022-09-23 | 扬州市玄裕电子有限公司 | Solder paste printing machine for processing flexible circuit board |
| CN115091840B (en) * | 2022-07-26 | 2023-06-09 | 扬州市玄裕电子有限公司 | Solder paste printer for flexible circuit board processing |
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