CN109774304B - Powder collecting system of printing machine - Google Patents
Powder collecting system of printing machine Download PDFInfo
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- CN109774304B CN109774304B CN201910134011.1A CN201910134011A CN109774304B CN 109774304 B CN109774304 B CN 109774304B CN 201910134011 A CN201910134011 A CN 201910134011A CN 109774304 B CN109774304 B CN 109774304B
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- powder
- powder collecting
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Abstract
The invention discloses a powder collecting system of a printing machine, which adopts the technical scheme that the powder collecting system comprises a machine case, wherein a chain conveyor is arranged in the machine case, a guide device is arranged below the chain conveyor, a powder spraying device for spraying powder towards the direction of the guide device is arranged on the chain conveyor, the guide device comprises a guide box plate, a powder collecting device is arranged below the guide box plate, the powder collecting device comprises a powder collecting box arranged below the guide box plate, the opening of the powder collecting box faces the guide box plate, a powder suction pipe is laid on the bottom surface of the inner cavity of the powder collecting box, and an air extractor is communicated with the powder suction pipe; the powder collecting box is characterized in that a position adjusting mechanism is arranged on the bottom wall of the powder collecting box and comprises a connecting rod which penetrates through the bottom wall of the powder collecting box and moves along the direction perpendicular to the bottom wall, and an adjusting plate is fixedly arranged at one end, facing the opening of the powder collecting box, of the connecting rod. The invention solves the problem that the cross section area of the air inlet of the suction pipeline can not be adjusted.
Description
Technical Field
The invention relates to the field of printing equipment, in particular to a powder collecting system of a printing machine.
Background
When the printing machine is used, the characters and images to be printed are made into printing plate, then the printing plate is mounted on the printing machine, then the ink is coated on the position of the characters and images on the printing plate by manpower or printing machine, then the printing plate is directly or indirectly transferred onto paper or other printing material, so that the same printed matter as the printing plate can be reproduced.
Chinese invention with grant publication No. CN100464978C discloses a dust collecting device for a printing press, comprising a delivery chain provided with a gripper device for gripping printed tissue sheets, a spreading nozzle for spreading powder onto the surface of the printed tissue sheets to be transported by the delivery chain; a blowing device disposed downstream of the spreading nozzle in the transport direction of the tissue sheet to blow air nearly parallel to the printing surface of the tissue sheet to be transported and toward an upstream side in the transport direction of the tissue sheet, and a suction duct disposed upstream of the blowing device in the transport direction of the tissue sheet to suck the dust together with the air blown by the blowing device.
The amount of remaining powder that is propagated by the air flow generated by the movement of the thin paper sheet holding device in the above-described scheme and carried to the downstream side in the sheet conveying direction is effectively reduced by the air blown approximately parallel to the printing surface of the sheet being conveyed and toward the upstream side in the sheet conveying direction, improving the efficiency of the dust collecting device, but the air inlet cross-sectional area of the suction duct cannot be adjusted, and cannot be adapted to the printing use of the paper and dust of the specification.
Disclosure of Invention
The invention aims to provide a powder collecting system of a printing machine, which has the advantage of being capable of adjusting the cross section area of an air inlet of a powder collecting box.
The technical purpose of the invention is realized by the following technical scheme: a powder collecting system of a printing machine comprises a machine case, wherein a chain conveyor is arranged in the machine case, a guiding device is arranged below the chain conveyor, a powder spraying device which sprays powder towards the direction of the guiding device is arranged on the chain conveyor, the guiding device comprises a guiding box plate, a powder collecting device is arranged below the guiding box plate, the powder collecting device comprises a powder collecting box arranged below the guiding box plate, the opening of the powder collecting box faces the guiding box plate, a powder suction pipe is laid on the bottom surface of the inner cavity of the powder collecting box, and an air pump is communicated with the powder suction pipe;
the powder collecting box is characterized in that a position adjusting mechanism is arranged on the bottom wall of the powder collecting box and comprises a connecting rod which penetrates through the bottom wall of the powder collecting box and moves along the direction perpendicular to the bottom wall, and an adjusting plate is fixedly arranged at one end, facing the opening of the powder collecting box, of the connecting rod.
By adopting the technical scheme, the connecting rod on the adjusting mechanism drives the adjusting plate to move in the powder collecting box, so that the relative position between the adjusting plate and the powder collecting box is adjusted, and the section area of the opening end of the powder collecting box is changed; after the air pump is started, the air pump can pump air in the powder collecting box out through the powder suction pipe, negative pressure is formed at the opening of the powder collecting box, when the powder spraying device sprays powder to paper on the guide box plate, the diffused powder can be sucked by the powder collecting box, floating powder in the paper box is further reduced, the negative pressure at the opening of the powder collecting box is adjusted by adjusting the position of the adjusting plate, so that the powder suction strength of the powder collecting box is adjusted, and the powder content in the box is reduced while the powder spraying device can normally spray powder to the paper.
The invention is further configured to: the connecting rod is sleeved with a connecting sleeve fixed on the powder collecting box, a guide block is fixedly arranged on the inner surface of the connecting sleeve, and the outer side surface of the connecting rod is provided with a abdicating groove which is used for accommodating the guide block and is arranged along the axial direction of the connecting rod in length; the one end outside that the connecting rod stretches out powder collecting box is provided with the transmission screw thread, the one end outside cover that the connecting rod was provided with the transmission screw thread is equipped with the adjusting collar, the adjusting collar rotates to be connected in quick-witted case.
Through adopting above-mentioned technical scheme, rotate the adjusting collar, the adjusting collar exerts the effort through the transmission screw thread to the connecting rod, and the connecting rod receives the adjusting collar and is located the restriction of the inslot guide block of stepping down and removes along self axis direction.
The invention is further configured to: the adjusting sleeve is fixedly provided with a worm wheel, the worm wheel is meshed with a worm which is rotatably connected with the case, and the worm is provided with a driving motor which drives the worm to rotate around the axis of the worm.
By adopting the technical scheme, the driving motor drives the worm to rotate, the worm rotates to drive the worm wheel to rotate around the axis of the adjusting sleeve, the worm wheel rotates to drive the adjusting sleeve to synchronously rotate, the structures of the worm wheel and the worm have good self-locking performance, and the adjusting plate can be stably locked after the position of the adjusting plate is adjusted during the operation of the driving motor.
The invention is further configured to: the regulating plate comprises a main plate fixed on the connecting rod, four side faces of the main plate are spaced to be provided with an end yielding groove and a side yielding groove, the end yielding groove is located on two sides of the guide direction of the chain conveyor, an end plate which is arranged in the end yielding groove and moves in the end yielding groove is embedded in the side yielding groove, and a side plate which moves along the surface of the side yielding groove is embedded in the side yielding groove.
Through adopting above-mentioned technical scheme, the end plate moves in the end groove of stepping down, adjusts the relative position between end plate and the mainboard, and the curb plate moves in the side groove of stepping down, adjusts the relative position between curb plate and the mainboard to realize the regulating plate along the cross sectional area adjustment of its thickness direction of perpendicular to, thereby distance between regulation plate side and the collection powder case medial surface realizes the adjustment of collection powder case port department pressure.
The invention is further configured to: the two ends of the powder collecting box in the working direction perpendicular to the chain conveyor are connected with sealing strips, and the sealing strips cover gaps between the powder collecting box and the inner side wall of the case.
Through adopting above-mentioned technical scheme, the strip of obturating can reduce the collection powder case and face the gap of breathing in of guide box board's port department, improves the suction effect of the negative pressure effect that produces in the collection powder case to the dust, improves the adsorption effect of powder.
The invention is further configured to: the powder collecting box is a funnel-shaped shell with an opening facing the guide box plate.
Through adopting above-mentioned technical scheme, the collection of the powder on the powder collection bottom of the case wall is convenient for to the powder collection case of infundibulate, enables more waste gas powder simultaneously and gets into the powder collection incasement, reduces the piling up of waste gas powder in other positions in the box.
The invention is further configured to: the mainboard is detachably connected with a bottom plate fixed on the connecting rod.
Through adopting above-mentioned technical scheme, the setting of bottom plate is convenient for be connected of connecting rod and mainboard, improves the convenience when mainboard is adjusted, is maintained and is changed.
The invention is further configured to: and an air outlet of the air pump is communicated with a collecting box.
Through adopting above-mentioned technical scheme, the collecting box can be used for collecting the discarded powder of following the air extractor exhaust, avoids the discarded powder diffusion to cause the destruction to the environment.
In conclusion, the invention has the following beneficial effects:
1. the connecting rod on the adjusting mechanism drives the adjusting plate to move in the powder collecting box, so that the relative position between the adjusting plate and the powder collecting box is adjusted, and the section area of the opening end of the powder collecting box is changed; after the air pump is started, the air pump can pump air in the powder collecting box out through the powder suction pipe, negative pressure is formed at the opening of the powder collecting box, when the powder spraying device sprays powder to paper on the guide box plate, the diffused powder can be sucked by the powder collecting box, the floating powder in the paper case is further reduced, the negative pressure at the opening of the powder collecting box is adjusted by adjusting the position of the adjusting plate, so that the powder suction strength of the powder collecting box is adjusted, and the powder content in the case is reduced while the powder spraying device can normally spray powder to the paper;
2. the adjusting sleeve is rotated, acting force is applied to the connecting rod by the adjusting sleeve through the transmission thread, and the connecting rod moves along the direction of the axis of the connecting rod under the limitation of the adjusting sleeve and the guide block positioned in the abdicating groove;
3. the end plate moves in the end groove of stepping down, adjusts the relative position between end plate and the mainboard, and the curb plate moves in the side groove of stepping down, adjusts the relative position between curb plate and the mainboard to realize that the regulating plate is along the cross sectional area adjustment of its thickness direction of perpendicular to, thereby distance between regulation regulating plate side and the collection powder case medial surface realizes the adjustment of collection powder case port department pressure.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
FIG. 2 is a schematic view showing the structure of a collecting apparatus in the embodiment;
FIG. 3 is a schematic view showing the structure of an adjusting plate in the embodiment;
fig. 4 is a schematic structural diagram of the positioning mechanism in the embodiment.
In the figure, 1, a printing device; 2. a collection device; 21. a chain conveyor; 22. a guide device; 221. a guide box plate; 222. a nozzle hole; 223. an air intake duct; 23. a box body; 3. a powder spraying device; 4. a central air supply device; 5. a powder collecting device; 51. a powder collecting box; 52. a powder suction pipe; 521. a powder suction hole; 53. an air extractor; 54. a collection box; 55. a sealing strip; 6. a position adjusting mechanism; 61. a connecting rod; 611. a yielding groove; 62. connecting sleeves; 63. a guide block; 64. an adjusting sleeve; 65. a worm gear; 66. a worm; 67. a protection box; 68. a drive motor; 69. a support sleeve; 7. an adjusting plate; 71. a base plate; 72. a main board; 721. a side abdicating groove; 722. an end abdicating groove; 73. a side plate; 74. an end plate; 8. a paperboard.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals.
Example 1
A powder collecting system of a printing machine is shown in figure 1, the printing machine comprises a printing device 1, a collecting device 2 is arranged at the tail end of the printing device 1, the collecting device 2 comprises a chain conveyor 21, and the chain conveyor 21 is used for placing and gathering paper sheets together to be collected and stacked.
As shown in fig. 2, a casing 23 is provided outside the collecting device 2, a guide 22 is provided inside the casing 23, and the guide 22 guides the movement of the sheet when the collecting device 2 conveys the sheet by the chain conveyor 21.
As shown in fig. 3, the guide device 22 includes a guide box plate 221, a plurality of nozzle holes 222 communicated with the inner cavity of the guide box plate 221 are opened on the surface of the guide box plate 221 facing the chain conveyor 21, and the nozzle holes 222 are uniformly distributed on the surface of the guide box plate 221 at intervals. The guide box plate 221 is communicated with an air inlet duct 223, the other end of the air inlet duct 223 is communicated with a central air supply device 4, the central air supply device 4 sends air into the air inlet duct 223, the air in the air inlet duct 223 enters the guide box plate 221 and then is sprayed out from the nozzle holes 222, and the sprayed air forms a layer of air cushion on the surface of the guide box plate 221 to guide the movement of the paper.
As shown in fig. 2, the collecting device 2 is provided with a powder spraying device 3 in a box 23, and the powder spraying device 3 sprays powder on the surface of the paper conveyed by the chain conveyor 21.
As shown in fig. 2, the housing 23 is provided with a powder collecting device 5, and the powder collecting device 5 is provided directly below the guide box plate 221. The powder collecting device 5 comprises a powder collecting box 51 fixed on a guide rail of the chain conveyor 21, and two sides of the powder collecting box 51 are connected with sealing strips 55 which are butted against the side wall of the inner cavity of the box body 23. The dust collection box 51 has a bell mouth structure with an opening facing the guide box plate 221.
As shown in fig. 2, the bottom end of the powder collecting box 51 is welded and communicated with a powder sucking pipe 52, a powder sucking hole 521 is formed in the powder sucking pipe 52, an air extractor 53 is communicated with the powder sucking pipe 52, the outlet end of the air extractor 53 is communicated with a collecting box 54, and an organic solution for absorbing dust is arranged in the collecting box 54.
As shown in fig. 2, a positioning mechanism 6 is provided in the dust collection box 51.
As shown in fig. 3 and 4, the positioning mechanism 6 includes a connecting sleeve 62 welded on the bottom wall of the powder collecting box 51 in a penetrating manner, an axis of the connecting sleeve 62 is perpendicular to the working surface of the guiding box plate 221, a connecting rod 61 moving along the axis direction of the connecting sleeve 62 is sleeved in the connecting sleeve 62, one end of the connecting rod 61 extends into the powder collecting box 51, and one end of the connecting rod 61 extends out of the powder collecting box 51.
As shown in fig. 4, a guide block 63 is fixedly arranged in the inner cavity of the connection sleeve 62, a relief groove 611 which accommodates the guide rod and has a length along the axial direction of the connection rod 61 is formed in the side surface of the connection rod 61, and the guide block 63 is guided by the relief groove 611 to slide along the axial direction of the connection rod 61.
As shown in fig. 3 and 4, a transmission thread is formed on the outer side of one end of the connecting rod 61, which penetrates through the bottom wall of the powder collecting box 51, an adjusting sleeve 64 is connected to the outer side of the end of the connecting rod 61, which is provided with the transmission thread, through the thread, a worm wheel 65 coaxial with the adjusting sleeve 64 is sleeved on the adjusting sleeve 64, a worm 66 is meshed on the worm wheel 65, at least two bearings are sleeved on the worm 66, and a protection box 67 connected with the outer rings of the bearings in an embedded manner is arranged on the. One end of the worm 66 extending out of the protection box 67 is coupled to a driving motor 68 fixed to the case 23 by a coupling.
As shown in fig. 2 and 3, an adjusting plate 7 is fixedly connected to one end of the connecting rod 61 extending into the powder collecting box 51. Adjusting plate 7 is including welding bottom plate 71 on connecting rod 61, bottom plate 71 is square board, use the screw to dismantle on the bottom plate 71 and be connected with mainboard 72, side groove 721 of stepping down has been seted up along chain conveyor 21 width direction's both ends to mainboard 72, side groove 721 of stepping down runs through the both ends face of mainboard 72 along chain conveyor 21 working direction, the side is stepped down and is equipped with curb plate 73 of inslot 721 embedded, curb plate 73 surface and the internal surface of side groove 721 of stepping down support the pressure, thereby realize curb plate 73 and mainboard 72 compress tightly and be connected, when the distance that needs adjust curb plate 73 is located side groove 721 of stepping down, the position adjustment of curb plate 73 and mainboard 72 just can be realized to the resistance between manual pulling curb plate 73 and the mainboard 72.
As shown in fig. 2 and 3, end yielding grooves 722 are formed at two ends of the main plate 72 along the working direction of the chain conveyor 21, the end yielding grooves 722 penetrate through two end faces of the main plate 72 along the width direction of the chain conveyor 21, end plates 74 are embedded in the end yielding grooves 722, the outer surfaces of the end plates 74 are pressed against the inner surfaces of the end yielding grooves 722, so that the end plates 74 are connected with the main plate 72 in a pressing manner, and when the distance that the end plates 74 are located in the end yielding grooves 722 needs to be adjusted, the position of the end plates 74 can be adjusted by manually pulling the end plates 74 to overcome the resistance between the end plates 74 and the main plate 72.
A powder collecting system of a printing machine comprises the following working processes:
the end plate 74 moves in the end receding groove 722 to adjust the relative position between the end plate 74 and the main plate 72, the side plate 73 moves in the side receding groove 721 to adjust the relative position between the side plate 73 and the main plate 72, and thus the adjustment of the cross-sectional area of the adjustment plate 7 in the direction perpendicular to the thickness direction thereof is achieved;
the driving motor 68 drives the worm 66 to rotate, the worm 66 rotates to drive the worm wheel 65 to rotate around the axis of the adjusting sleeve 64, the worm wheel 65 rotates to drive the adjusting sleeve 64 to synchronously rotate, the adjusting sleeve 64 exerts acting force on the connecting rod 61 through the transmission threads, the connecting rod 61 moves along the direction of the axis of the connecting rod 61 under the limitation of the adjusting sleeve 64 and the guide block 63 positioned in the abdicating groove 611, the position of the adjusting plate 7 at the opening of the powder collecting box 51 is adjusted, and the section area of the opening end of the powder collecting box 51 is changed;
after the air pump 53 is started, the air pump 53 can pump the air in the powder collecting box 51 out through the powder suction pipe 52, negative pressure is formed at the opening of the powder collecting box 51, and when the powder spraying device 3 sprays powder to the paper on the guide box plate 221, the diffused powder is sucked by the powder collecting box 51, so that the powder floating in the paper box is further reduced.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a printing machine collection powder system, includes quick-witted case (23), be provided with chain conveyor (21) in quick-witted case (23), chain conveyor (21) below is provided with guiding device (22), be provided with powder injection device (3) towards guiding device (22) direction injection powder on chain conveyor (21), its characterized in that: the powder collecting device (5) is arranged below the guide box plate (221), the powder collecting device (5) comprises a powder collecting box (51) arranged below the guide box plate (221), an opening of the powder collecting box (51) faces the guide box plate (221), a powder suction pipe (52) is laid on the bottom surface of an inner cavity of the powder collecting box (51), and an air extractor (53) is communicated with the powder suction pipe (52);
be equipped with positioning mechanism (6) on collection powder case (51) diapire, positioning mechanism (6) are including wearing to locate collection powder case (51) diapire connecting rod (61) that remove along the perpendicular to diapire direction, regulating plate (7) have set firmly towards collection powder case (51) open-ended one end in connecting rod (61).
2. A press toner system as defined in claim 1 wherein: the connecting rod (61) is sleeved with a connecting sleeve (62) fixed on the powder collecting box (51), the inner surface of the connecting sleeve (62) is fixedly provided with a guide block (63), the outer side surface of the connecting rod (61) is provided with a yielding groove (611) for accommodating the guide block (63) and the length of the yielding groove is arranged along the axial direction of the connecting rod (61);
the one end outside that connecting rod (61) stretched out album powder case (51) is provided with the transmission screw thread, the one end outside cover that connecting rod (61) was provided with the transmission screw thread is equipped with adjusting collar (64), adjusting collar (64) rotate to be connected in quick-witted case (23).
3. A press toner system as defined in claim 2 wherein: the adjusting sleeve (64) is fixedly provided with a worm wheel (65), the worm wheel (65) is meshed with a worm (66) rotatably connected with the case, and the worm (66) is provided with a driving motor (68) for driving the worm (66) to rotate around the axis of the worm (66).
4. A press toner system as defined in claim 1 wherein: regulating plate (7) are including being fixed in mainboard (72) on connecting rod (61), four side intervals of mainboard (72) have been seted up the end and have been stepped down groove (722) and side groove (721) of stepping down, and end groove (722) of stepping down is located the both sides of chain conveyor (21) direction of guide, end plate (74) that the end moved in end groove (722) of stepping down are embedded to be equipped with in end groove (722), side groove (721) of stepping down are embedded to be equipped with along side curb plate (73) that groove (721) surface removed of stepping down.
5. A press toner system as defined in claim 1 wherein: the two ends of the powder collecting box (51) in the working direction perpendicular to the chain conveyor (21) are connected with sealing strips (55), and the sealing strips (55) cover gaps between the powder collecting box (51) and the inner side wall of the case (23).
6. A press toner system as defined in claim 1 wherein: the powder collecting box (51) is a funnel-shaped shell with an opening facing the guide box plate (221).
7. A press toner system as defined in claim 4 wherein: the main board (72) is detachably connected with a bottom board (71) fixed on the connecting rod (61).
8. A press toner system as defined in claim 1 wherein: an air outlet of the air pump (53) is communicated with a collecting box (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910134011.1A CN109774304B (en) | 2019-02-22 | 2019-02-22 | Powder collecting system of printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910134011.1A CN109774304B (en) | 2019-02-22 | 2019-02-22 | Powder collecting system of printing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109774304A CN109774304A (en) | 2019-05-21 |
| CN109774304B true CN109774304B (en) | 2020-12-04 |
Family
ID=66485763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910134011.1A Expired - Fee Related CN109774304B (en) | 2019-02-22 | 2019-02-22 | Powder collecting system of printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109774304B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112549768A (en) * | 2020-10-24 | 2021-03-26 | 郑州佳佳印务有限公司 | Automatic powder spraying system for printing machine paper |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005088320A (en) * | 2003-09-17 | 2005-04-07 | Komori Corp | Dust collecting device of printing machine |
| CN101767484A (en) * | 2008-12-30 | 2010-07-07 | 上海华太数控技术有限公司 | Electronic powder injection powder conveyor |
| US20120275805A1 (en) * | 2009-09-14 | 2012-11-01 | Cosmotech Co., Ltd. | Powder Spray System For Printing |
| CN207142442U (en) * | 2017-03-06 | 2018-03-27 | 北京宝隆世纪印刷有限公司 | A kind of paper collecting mechanism of printing machine |
| CN208195203U (en) * | 2018-03-26 | 2018-12-07 | 青岛凯龙包装有限公司 | A kind of printing machine |
-
2019
- 2019-02-22 CN CN201910134011.1A patent/CN109774304B/en not_active Expired - Fee Related
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| CN109774304A (en) | 2019-05-21 |
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