CN113697544A - Paper negative pressure uniform adsorption device - Google Patents
Paper negative pressure uniform adsorption device Download PDFInfo
- Publication number
- CN113697544A CN113697544A CN202110857893.1A CN202110857893A CN113697544A CN 113697544 A CN113697544 A CN 113697544A CN 202110857893 A CN202110857893 A CN 202110857893A CN 113697544 A CN113697544 A CN 113697544A
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- groove
- air outlet
- plate
- communicated
- negative pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H5/00—Feeding articles separated from piles; Feeding articles to machines
- B65H5/22—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device
- B65H5/222—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device by suction devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H5/00—Feeding articles separated from piles; Feeding articles to machines
- B65H5/22—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device
- B65H5/228—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device by air-blast devices
Abstract
The invention discloses a paper negative pressure uniform adsorption device which comprises a bottom plate, a side plate and a top plate which are sequentially and vertically and fixedly connected from bottom to top, wherein the bottom plate, the side plate and the top plate are of a U-shaped structure, the bottom plate is sequentially provided with a first open slot, a second open slot and a third open slot from top to bottom, the open slot directions of the second open slot and the third open slot are the same but opposite to the open slot direction of the first open slot, the upper end of the bottom plate is provided with a plurality of grooves distributed in a matrix manner, and the center of the inner bottom end of each groove is vertically provided with a first straight hole communicated with the first open slot. According to the paper width and the paper conveying direction, the position of the first closing plate in the first groove is adjusted through the first sealing mechanism, the position of the second closing plate in the second groove is adjusted through the second sealing mechanism, the communication ranges of the groove, the first straight hole, the first groove, the second straight hole, the second groove and the third groove which can be used for adsorption work are adjusted, and the applicability is strong.
Description
Technical Field
The invention relates to a paper negative pressure uniform adsorption device.
Background
During operation of the printing machine, it is necessary to rely on the suction device to transport the sheets for printing. The existing adsorption device has the defects that paper cannot be tightly attached, the suction force is insufficient, the paper with different widths and lengths cannot be stably adsorbed, the adsorption devices with different types are required to be replaced when the paper with different widths is adsorbed, and the applicability is poor.
Therefore, we propose a paper negative pressure uniform adsorption device to solve the above problems.
Disclosure of Invention
The invention aims to provide a paper negative pressure uniform adsorption device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a paper negative pressure uniform adsorption device comprises a bottom plate, a side plate and a top plate which are sequentially and vertically fixedly connected from bottom to top, wherein the bottom plate, the side plate and the top plate are of a U-shaped structure, the bottom plate is sequentially provided with a first open groove, a second open groove and a third open groove from top to bottom, the open directions of the second open groove and the third open groove are the same but opposite to the open direction of the first open groove, the upper end of the bottom plate is provided with a plurality of grooves distributed in a matrix manner, the center of the inner bottom end of each groove is vertically provided with a first straight hole communicated with the first open groove, and an interlayer between the second open groove and the third open groove is provided with second straight holes which are in one-to-one correspondence with the first straight holes and have the same size; the both ends symmetry intercommunication of third fluting has flat trapezoidal pipe, one of them the one end that the bottom plate was kept away from to flat trapezoidal pipe is connected with vacuum generator, vacuum generator's the end of giving vent to anger has flow control mechanism through intake-tube connection, flow control mechanism's both ends are connected with first outlet duct and second outlet duct, the lower extreme sealing connection of roof has square pipe, the lower extreme of square pipe has square horn tube through bellows connection, the lower extreme of roof has two multistage electric telescopic handle about square pipe symmetry fixed mounting, and multistage electric telescopic handle's flexible end and square horn tube fixed connection, the one end that flow control mechanism was kept away from to first outlet duct is sealed to run through the roof and square pipe intercommunication.
Preferably, be equipped with first sealing mechanism in the first fluting, first sealing mechanism is including fixing the first double-shaft motor at bottom surface central authorities in the first fluting, the equal fixedly connected with first threaded rod of two output ends of first double-shaft motor, two first threaded rod symmetry cover is equipped with the first closing plate with the sealed gliding of first fluting, set up the first thread groove of being connected with first threaded rod in the first closing plate.
Preferably, a second sealing mechanism is arranged in the second groove and comprises a second double-shaft motor fixed at the center of the inner bottom surface of the second groove, second threaded rods are fixedly connected to two output ends of the second double-shaft motor respectively and symmetrically sleeved with second sealing plates sliding in a sealing mode with the second groove, and second threaded grooves connected with the second threaded rods are formed in the second sealing plates.
Preferably, the first threaded rods have opposite thread directions, and the second threaded rods have opposite thread directions.
Preferably, rubber layers are attached to the outer surfaces of the first closing plate and the second closing plate, and warning lines are arranged on the outer surfaces of the first closing plate and the second closing plate.
Flow control mechanism is including the valve body that is the drum structure, the sealed rotation in the valve body is connected with the case, the side fixed mounting of valve body has the unipolar motor that is used for driving valve core pivoted, set up the air inlet with the intake pipe intercommunication in the valve body, with the first gas outlet of first outlet duct intercommunication, with the second gas outlet of second outlet duct intercommunication, the air inlet duct has been seted up from a left side to the right side to the case and has been gone out the air duct and the air outlet groove, and air inlet duct and air inlet intercommunication, go out air duct and first gas outlet, second gas outlet intercommunication, the angle that the extension line of two medial surfaces of air inlet duct formed is greater than the angle that the extension line of two medial surfaces of going out the air duct formed.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the paper width and the paper conveying direction, the position of the first closing plate in the first groove is adjusted through the first sealing mechanism, the position of the second closing plate in the second groove is adjusted through the second sealing mechanism, and the communication ranges of the groove, the first straight hole, the first groove, the second straight hole, the second groove and the third groove which can be used for adsorption work are adjusted, so that the applicability is strong;
2. the paper-feeding device can blow air pumped by the vacuum generator to the upper end of the paper, so that the paper is more attached to the upper end face of the bottom plate, and in addition, the blowing force of the square horn tube can be adjusted through the multi-stage electric telescopic rod and the flow of the second air outlet according to the type (thickness) of the paper, so that the paper can be more closely attached, the adsorption force is enhanced, and the applicability is stronger.
Drawings
FIG. 1 is an isometric view of a paper negative pressure uniform adsorption device according to the present invention;
FIG. 2 is an isometric view of a bottom plate of the paper negative pressure uniform adsorption device provided by the invention;
FIG. 3 is a top view of a bottom plate of the paper negative pressure uniform adsorption device of the present invention;
FIG. 4 is a top cross-sectional view of a bottom plate of the paper negative pressure uniform adsorption device at a first slot according to the present invention;
FIG. 5 is a top cross-sectional view of a bottom plate of the paper negative pressure uniform adsorption device at a second slot according to the present invention;
fig. 6 is a front sectional view of a valve body of a paper negative pressure uniform adsorption device provided by the invention.
In the figure: 1 bottom plate, 2 curb plates, 3 roof, 4 grooves, 5 first straight holes, 6 first fluting, 7 second fluting, 8 third fluting, 9 first double-shaft motor, 10 first threaded rods, 11 first closing plate, 12 first thread groove, 13 second double-shaft motor, 14 second threaded rods, 15 second closing plate, 16 second thread groove, 17 flat trapezoidal pipe, 18 vacuum generator, 19 intake pipes, 20 valve bodies, 21 single-shaft motor, 22 valve cores, 23 intake ducts, 24 exhaust ducts, 25 first gas outlets, 26 second gas outlets, 27 gas inlets, 28 first gas outlets, 29 second gas outlets, 30 square pipes, 31 bellows, 32 square horn pipes, 33 multistage electric telescopic rods.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, a paper negative pressure uniform adsorption device comprises a bottom plate 1, a side plate 2 and a top plate 3 which are vertically and fixedly connected from bottom to top in sequence, wherein the bottom plate 1, the side plate 2 and the top plate 3 are of a U-shaped structure, referring to fig. 1, the bottom plate 1 is sequentially provided with a first slot 6, a second slot 7 and a third slot 8 from top to bottom, the slots of the second slot 7 and the third slot 8 are the same in direction but opposite to the slot direction of the first slot 6, the upper end of the bottom plate 1 is provided with a plurality of grooves 4 distributed in a matrix manner, the center of the inner bottom end of each groove 4 is vertically provided with a first straight hole 5 communicated with the first slot 6, an interlayer between the second slot 7 and the third slot 8 is provided with second straight holes which are in one-to-one correspondence with the positions of the first straight holes 5 and have the same size, and the second straight holes can be regarded as extensions of the first straight holes 5;
be equipped with first sealing mechanism in the first fluting 6, it is specific, first sealing mechanism is including fixing the first double-shaft motor 9 at bottom surface central authorities in first fluting 6, and the equal fixedly connected with first threaded rod 10 of two output ends of first double-shaft motor 9, and two first threaded rod 10 symmetry covers are equipped with and first fluting 6 sealed gliding first closing plate 11, have seted up the first thread groove 12 of being connected with first threaded rod 10 in the first closing plate 11. The first double-shaft motor 9 drives the two first closing plates 11 to move by driving the two first threaded rods 10.
A second sealing mechanism is arranged in the second open groove 7, specifically, the second sealing mechanism comprises a second double-shaft motor 13 fixed at the center of the inner bottom surface of the second open groove 7, two output ends of the second double-shaft motor 13 are fixedly connected with second threaded rods 14, the two second threaded rods 14 are symmetrically sleeved with a second sealing plate 15 which slides in a sealing manner with the second open groove 7, and a second threaded groove 16 connected with the second threaded rods 14 is formed in the second sealing plate 15. The second double-shaft motor 13 drives the two second closing plates 15 by driving the two second threaded rods 14.
The first two threaded bars 10 have opposite thread directions and the second two threaded bars 14 have opposite thread directions, so as to ensure that the closure plates move towards and away from each other. The outer surfaces of the first closing plate 11 and the second closing plate 15 are both attached with rubber layers, the rubber layers are in sealing fit with the first slot 6 and the second slot 7 to guarantee sealing performance, warning lines are arranged on the outer surfaces of the first closing plate 11 and the second closing plate 15 and are arranged according to the width of the first straight hole 5 and the width of the two adjacent first straight holes 5, and the warning lines are additionally arranged in size to remind technicians of whether the closing plates are moved in place.
Two ends of the third slot 8 are symmetrically communicated with flat trapezoidal pipes 17, one end of one flat trapezoidal pipe 17, which is far away from the bottom plate 1, is connected with a vacuum generator 18, the air outlet end of the vacuum generator 18 is connected with a flow adjusting mechanism through an air inlet pipe 19, concretely, two ends of the flow adjusting mechanism are connected with a first air outlet pipe 28 and a second air outlet pipe 29, the lower end of the top plate 3 is hermetically connected with a square pipe 30, the lower end of the square pipe 30 is connected with a square horn pipe 32 through a corrugated pipe 31, the corrugated pipe 31 adapts to the extension and retraction of the multistage electric telescopic rods 33, the lower end of the top plate 3 is symmetrically and fixedly provided with two multistage electric telescopic rods 33 relative to the square pipe 30, the extension ends of the multistage electric telescopic rods 33 are fixedly connected with the square horn pipe 32, one end of the first air outlet pipe 28, which is far away from the flow adjusting mechanism, hermetically penetrates through the top plate 3 and is communicated with the square pipe 30 through the first air outlet pipe 28, the square pipe 30, The bellows 31 and the square trumpet tube 32 are used for air blowing.
Specifically, referring to fig. 6, the flow rate adjusting mechanism includes a valve body 20 having a cylindrical structure, a valve core 22 is rotatably and hermetically connected in the valve body 20, a single-shaft motor 21 for driving the valve core 22 to rotate is fixedly installed on a side surface of the valve body 20, the motor is a low-speed motor capable of rotating in forward and reverse directions, an air inlet 27 communicated with the air inlet pipe 19, a first air outlet 25 communicated with the first air outlet pipe 28, and a second air outlet 26 communicated with the second air outlet pipe 29 are formed in the valve body 20, the valve core 22 is provided with an air inlet groove 23 and an air outlet groove 24 from left to right, the air inlet groove 23 is communicated with the air inlet 27, the air outlet groove 24 is communicated with the first air outlet 25 and the second air outlet 26, the angle formed by the extension lines of the two inner side surfaces of the air inlet groove 23 is larger than the angle formed by the extension lines of the two inner side surfaces of the air outlet groove 24, during the rotation of the spool 22, it is ensured at all times that the inlet 27 is fully in communication with the inlet groove 23.
It should be further noted that the flow rate adjusting mechanism further includes a limiting mechanism for limiting the rotation angle of the valve core 22, the limiting mechanism is used for always ensuring that the air outlet groove 24 is communicated with the first air outlet 25 and the second air outlet 26, and the limiting mechanism may include a limiting groove formed in the inner side surface of the valve body 20 and a limiting block slidably connected with the limiting groove and fixed to the valve core 22.
One embodiment of the invention is that the paper in the conveying process is adsorbed, the ranges of the first straight hole 5 and the second straight hole which can work are adjusted through a first sealing mechanism according to the width of the paper, namely, a first double-shaft motor 9 drives two first threaded rods 10 at the same time, so as to drive two first sealing plates 11 to move oppositely or oppositely, and the number of the first straight holes 5/the second straight holes communicated with the first open groove 6 is reduced or increased in the longitudinal direction;
the vacuum generator 18 sucks air in the grooves 4, the first straight hole 5, the first open groove 6, the second straight hole, the second open groove 7 and the third open groove 8 through the flat trapezoid pipes 17, so that the interiors of the first open groove 6, the second open groove 7 and the third open groove 8 are in a negative pressure state and form a certain vacuum degree, the sucked air enters the first air outlet pipe 28 and the second air outlet pipe 29 through the flow regulating mechanism, wherein the air of the first air outlet pipe 28 is blown to the upper end of the bottom plate 1 through the square pipe 30, the corrugated pipe 31 and the square horn pipe 32, the paper is already positioned at the upper end of the bottom plate 1 at the moment, and the air blowing can enable the paper to be more tightly attached to the upper end face of the bottom plate 1 so as to be conveyed in the adsorption process;
in addition, the blowing force of different types of paper can be adjusted by adjusting the height of the square horn tube 32 and the flow of the first air outlet tube 28, the height of the square horn tube 32 is adjusted by stretching of the multi-stage electric telescopic rod 33, the corrugated tube 31 stretches along with the corrugated tube, the valve core 22 is driven to rotate through the single-shaft motor 21, and therefore the width of the communicating part of the air outlet groove 24 and the first air outlet 25 and the width of the communicating part of the second air outlet 26 are changed, no matter what angle the valve core 22 rotates, the air inlet 27 is always communicated with the air inlet groove 23, and what is shown in fig. 6 is that the flow of the first air outlet 25 is equal to that of the second air outlet 26.
On the basis of fully understanding the invention, as an improvement, paper adsorption which is parallel to the upper end face of the bottom plate 1 and has adsorption width adjusted by using a second sealing mechanism can be arranged in the side plate 2, so that the paper adsorption device is more suitable for printers in different directions, movement is not required, and the working principle of the second sealing mechanism can be easily deduced according to the working principle of the first sealing mechanism.
In another embodiment of the present invention, the paper sheets with a fixed size can be adsorbed, and the positions of the two first closing plates 11 and the two second closing plates 15 can be adjusted by the first sealing mechanism and the second sealing mechanism, respectively, so that the first straight hole 5 or the second straight hole at the non-paper position is in a sealed state, so that the vacuum generator 18 can work normally.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a paper negative pressure uniform adsorption device which characterized in that: the bottom plate (1), the side plate (2) and the top plate (3) are sequentially and vertically fixedly connected from bottom to top, the bottom plate (1) is of a U-shaped structure, a first open groove (6), a second open groove (7) and a third open groove (8) are sequentially formed in the bottom plate (1) from top to bottom, the open directions of the second open groove (7) and the third open groove (8) are the same, but are opposite to the open direction of the first open groove (6), a plurality of grooves (4) are formed in the upper end of the bottom plate (1) in matrix distribution, a first straight hole (5) communicated with the first open groove (6) is vertically formed in the center of the inner bottom end of each groove (4), and second straight holes which are in one-to-one correspondence with the positions of the first straight holes (5) and are the same in size are formed in an interlayer between the second open groove (7) and the third open groove (8);
two ends of the third open slot (8) are symmetrically communicated with flat trapezoidal tubes (17), one end of one flat trapezoidal tube (17) far away from the bottom plate (1) is connected with a vacuum generator (18), the air outlet end of the vacuum generator (18) is connected with a flow regulating mechanism through an air inlet pipe (19), the two ends of the flow regulating mechanism are connected with a first air outlet pipe (28) and a second air outlet pipe (29), the lower end of the top plate (3) is hermetically connected with a square tube (30), the lower end of the square tube (30) is connected with a square flared tube (32) through a corrugated tube (31), two multi-stage electric telescopic rods (33) are symmetrically and fixedly arranged at the lower end of the top plate (3) relative to the square tube (30), and the telescopic end of the multi-stage electric telescopic rod (33) is fixedly connected with the square flared tube (32), one end of the first air outlet pipe (28) far away from the flow adjusting mechanism penetrates through the top plate (3) in a sealing mode and is communicated with the square pipe (30).
2. The paper negative pressure uniform adsorption device of claim 1, characterized in that: be equipped with first sealing mechanism in first fluting (6), first sealing mechanism is including fixing first double-shaft motor (9) at bottom surface central authorities in first fluting (6), the equal fixedly connected with first threaded rod (10) of two outputs of first double-shaft motor (9), two first threaded rod (10) symmetry cover is equipped with and seals gliding first closing plate (11) with first fluting (6), set up first thread groove (12) of being connected with first threaded rod (10) in first closing plate (11).
3. The paper negative pressure uniform adsorption device of claim 1, characterized in that: be equipped with second sealing mechanism in second fluting (7), second sealing mechanism is including fixing second double-shaft motor (13) at bottom surface central authorities in second fluting (7), the equal fixedly connected with second threaded rod (14) of two outputs of second double-shaft motor (13), two second threaded rod (14) symmetry cover is equipped with and seals gliding second closing plate (15) with second fluting (7), second thread groove (16) of being connected with second threaded rod (14) have been seted up in second closing plate (15).
4. The paper negative pressure uniform adsorption device of claim 2 or 3, characterized in that: the thread directions of the two first threaded rods (10) are opposite, and the thread directions of the two second threaded rods (14) are also opposite.
5. The paper negative pressure uniform adsorption device of claim 2 or 3, characterized in that: rubber layers are attached to the outer surfaces of the first closing plate (11) and the second closing plate (15), and warning lines are arranged on the outer surfaces of the first closing plate (11) and the second closing plate (15).
6. The paper negative pressure uniform adsorption device of claim 1, characterized in that: the flow regulating mechanism comprises a valve body (20) in a cylindrical structure, the valve body (20) is internally and rotatably connected with the valve core (22) in a sealing way, a single-shaft motor (21) for driving the valve core (22) to rotate is fixedly arranged on the side surface of the valve body (20), an air inlet (27) communicated with the air inlet pipe (19), a first air outlet (25) communicated with the first air outlet pipe (28) and a second air outlet (26) communicated with the second air outlet pipe (29) are arranged in the valve body (20), the valve core (22) is provided with an air inlet groove (23) and an air outlet groove (24) from left to right, the air inlet groove (23) is communicated with the air inlet (27), the air outlet groove (24) is communicated with the first air outlet (25) and the second air outlet (26), the angle formed by the extension lines of the two inner side surfaces of the air inlet groove (23) is larger than the angle formed by the extension lines of the two inner side surfaces of the air outlet groove (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110857893.1A CN113697544B (en) | 2021-07-28 | 2021-07-28 | Paper negative pressure uniform adsorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110857893.1A CN113697544B (en) | 2021-07-28 | 2021-07-28 | Paper negative pressure uniform adsorption device |
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| Publication Number | Publication Date |
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| CN113697544A true CN113697544A (en) | 2021-11-26 |
| CN113697544B CN113697544B (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110857893.1A Active CN113697544B (en) | 2021-07-28 | 2021-07-28 | Paper negative pressure uniform adsorption device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113879879A (en) * | 2021-12-07 | 2022-01-04 | 山东锦龙包装有限公司 | Packaging bag color printing conveying device |
| CN114873323A (en) * | 2022-05-25 | 2022-08-09 | 天长市君华彩印有限公司 | Color printing carton apparatus for producing |
| CN114873323B (en) * | 2022-05-25 | 2024-05-10 | 天长市君华彩印有限公司 | Color printing carton apparatus for producing |
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| CN1202642A (en) * | 1997-04-18 | 1998-12-23 | 理想科学工业株式会社 | Sheet transfer system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113879879A (en) * | 2021-12-07 | 2022-01-04 | 山东锦龙包装有限公司 | Packaging bag color printing conveying device |
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| CN114873323B (en) * | 2022-05-25 | 2024-05-10 | 天长市君华彩印有限公司 | Color printing carton apparatus for producing |
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| CN113697544B (en) | 2023-02-28 |
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