阅读说明：本技术 一种半吸风式送纸辊及纸张翻面装置 (Half formula of induced drafting paper feed roller and paper turn-over device ) 是由 郭剑慧 于 2021-08-23 设计创作，主要内容包括：本发明公开了一种半吸风式送纸辊及纸张翻面装置,半吸风式送纸辊包括转辊、分配板和风罩,转辊沿左右方向水平设置,且转辊的中部同轴固定设有转轴,且转辊的左侧边缘处周向间隔均匀的凹设有多个通道,每个通道沿其长度方向间隔均匀的设有与转辊辊面贯通的吸孔,其同轴转动安装在转轴上,并与转辊的左侧贴合,并将多个通道的开口端封堵,分配板上设有多个左右贯穿的吸风孔,且转辊相对于分配板转动时,每个通道可转动至与多个吸风孔依次顺序贯通,风罩设置在分配板的左侧设有吸风孔的位置处,且风罩与分配板共同围合形成一个腔室,且多个吸风孔均与腔室内连通,风罩上设有至少一个用以与负压设备连通的负压接口,其结构简单,且送纸及翻面顺畅。(The invention discloses a half air suction type paper feeding roller and a paper turning device, the half air suction type paper feeding roller comprises a rotating roller, a distributing plate and a fan cover, the rotating roller is horizontally arranged along the left and right direction, the middle part of the rotating roller is coaxially and fixedly provided with a rotating shaft, the left edge of the rotating roller is circumferentially and uniformly provided with a plurality of channels at intervals in a concave manner, each channel is uniformly provided with air suction holes communicated with the roller surface of the rotating roller along the length direction, the air suction holes are coaxially and rotatably arranged on the rotating shaft and are attached to the left side of the rotating roller, the open ends of the channels are blocked, the distributing plate is provided with a plurality of air suction holes which are penetrated left and right, when the rotating roller rotates relative to the distributing plate, each channel can rotate to be sequentially communicated with the air suction holes, the fan cover is arranged at the position of the distributing plate provided with the air suction holes, the fan cover and the distributing plate jointly enclose to form a cavity, and the air suction holes are communicated with the cavity, the fan cover is provided with at least one negative pressure interface which is communicated with the negative pressure equipment, the structure is simple, and the paper feeding and the turnover are smooth.)

1. The utility model provides a half formula of induced drafting roller of form advancing, its characterized in that, including changeing roller (11), break board (12) and fan housing (13), change roller (11) along left right direction horizontal setting, just the coaxial fixed pivot (111) that is equipped with in middle part of changeing roller (11), just change the even concave a plurality of passageways (112) that are equipped with in left side edge circumference interval of roller (11), every passageway (112) extend to being close to the right side of changeing roller (11), every passageway (112) along its length direction interval even be equipped with change roller (11) roll surface through suction hole (113), break board (12) are the circular slab, its coaxial rotation install in pivot (111) on, and with the left side laminating of changeing roller (11), and with a plurality ofly the open end shutoff of passageway (112), be equipped with a plurality of left and right sides suction hole (121) that run through on break board (12), it is a plurality of hole (121) of induced drafting is in be convex distribution on distributing plate (12), just change roller (11) for when distributing plate (12) rotate, every passageway (112) rotatable to with a plurality of hole (121) of induced drafting link up in proper order, fan housing (13) set up the left side of distributing plate (12) is equipped with the position department of hole (121) of induced drafting, just fan housing (13) with distributing plate (12) enclose jointly and close and form a cavity, and a plurality of hole (121) of induced drafting all with the cavity is indoor to communicate, be equipped with at least one negative pressure interface (131) that are used for with negative pressure equipment intercommunication on fan housing (13).

2. The half suction type paper feeding roller according to claim 1, wherein the plurality of suction holes (121) are distributed in an arc shape having an arc center angle of 180 °.

3. The half suction feed roller according to claim 1 or 2, characterized in that a plurality of ring grooves (114) are coaxially and concavely provided on the roller surface of the rotating roller (11) along the left-right direction at intervals, one end of the suction hole (113) penetrating through the rotating roller (11) is located in the ring groove (114), each of the plurality of suction holes (113) on the channel (112) is in one-to-one correspondence with the plurality of ring grooves (114), and each of the suction holes (113) penetrates through one end of the roller surface of the rotating roller (11) and is located in the ring groove (114), and each of the suction holes (113) in the ring groove (114) are evenly distributed at intervals in the circumferential direction.

4. A paper turning device is characterized by comprising a conveyor belt (2), a first driving piece (3), an arc-shaped cover plate (5), two steering rollers (4), two supporting plates (6) and the semi-suction type paper feeding roller (1) according to any one of claims 1 to 3, wherein the two supporting plates (6) are vertically arranged along the front and back direction and are distributed at intervals along the left and right direction, the semi-suction type paper feeding roller (1) is arranged at the front side between the two supporting plates (6), the two ends of a rotating shaft (111) are respectively and rotatably connected with the two supporting plates (6), a distributing plate (12) is fixedly connected with the supporting plates (6) close to the distributing plate, arc-shaped openings of the arc-shaped air suction holes (121) are distributed backwards, and the two steering rollers (4) are horizontally arranged between the two supporting plates (6) along the left and right direction, the two ends of the two rotating shafts (111) are rotatably connected with the two supporting plates (6), the conveyor belt (2) is sleeved between the two supporting plates (6), and the rotating roller (11) and the two turning rollers (4) are both positioned in the conveyor belt (2), and the conveyor belts (2) are spread open together, the conveyor belts (2) are fully distributed with holes penetrating through the conveyor belts, the first driving piece (3) is arranged on any one of the supporting plates (6), the driving end of the rotating shaft is in transmission connection with one end of the rotating shaft (111), the arc opening of the arc cover plate (5) faces backwards and is covered on the front side of the rotating roller (11), the two sides of the conveying belt are fixedly connected with the two supporting plates (6), an arc-shaped gap is formed between the arc-shaped cover plate (5) and the conveying belt (2), and the arc-shaped gap is used for paper to pass through.

5. The paper turn-over device according to claim 4, characterized by further comprising two air suction plates (7), wherein one side of each air suction plate (7) is covered with adsorption holes (71), the air suction plates (7) are provided with air pipe connectors (72) communicated with the adsorption holes (71), the two air suction plates (7) are arranged between the two support plates (6), are positioned in the conveyor belt (2), are vertically distributed in the conveyor belt (2) at intervals, the air suction plate (7) positioned above is arranged between the rotating roller (11) and the rotating roller (4) positioned above, is provided with the adsorption holes (71) with one side facing upwards and is attached to the conveyor belt (2), the air suction plate (7) positioned below is arranged between the rotating roller (11) and the rotating roller (4) positioned below, and one side of the air suction plate with the adsorption holes (71) faces downwards, and is attached to the conveyor belt (2), and an air pipe interface (72) on the air suction plate (7) is used for being communicated with negative pressure equipment.

6. The paper turning device according to claim 4, characterized by further comprising a tension roller (8), wherein the tension roller (8) is horizontally arranged between the two turning rollers (4) along the left-right direction and is positioned outside the conveyor belt (2), two ends of the tension roller (8) are respectively and rotatably connected with a connecting block (81), the two connecting blocks (81) are connected with two support plates (6), and the positions of the two connecting blocks (81) on the two support plates (6) can be adjusted back and forth to adjust the tension of the conveyor belt (2).

7. The paper turning device according to claim 6, further comprising two adjusting rods (82), wherein the two connecting blocks (81) are slidably mounted on the two supporting plates (6), the two connecting blocks (81) are provided with screw holes penetrating through the two supporting plates in the front and back direction, the two supporting plates (6) are provided with a convex block in the front or back direction corresponding to the connecting blocks (81), the two adjusting rods (82) are horizontally arranged along the front and back direction, and is in one-to-one correspondence with the two lugs, each adjusting rod (82) penetrates through the corresponding lug along the front and back direction and is rotatably connected with the lug, an external thread is arranged at one end of each adjusting rod (82) close to the connecting block (81) at the same side, the adjusting rod (82) is rotated to drive the corresponding connecting block (81) to move along the front-back direction.

8. The paper turning device according to any one of claims 5 to 7, further comprising a paper feeding member (91) and a paper discharging member (92), the paper feeding component (91) and the paper discharging component (92) are arranged between the two supporting plates (6), the paper outlet of the paper feeding component (91) faces forwards and is close to the lower part of the steering roller (4) positioned below, the paper feeding device is used for conveying paper to the conveyor belt (2) from back to front, the conveyor belt (2) drives the paper to bypass the rotary roller (11) to be conveyed from bottom to top and turn over, a paper feeding port of the paper discharging assembly (92) faces forwards, and is close to the steering roller (4) positioned above, the conveyor belt (2) sends out the paper to the paper inlet of the paper outlet component (92), and the paper is sent out by the paper outlet component (92).

9. The paper turn-over device according to claim 8, wherein the paper feeding assembly (91) comprises two feeding rollers (911), a first paper pressing member (912), a second driving member (913) and a plurality of first feeding belts (914), the two feeding rollers (911) are horizontally arranged at the lower end between the two supporting plates (6) along the left-right direction and are distributed at intervals along the front-back direction, a plurality of annular belt grooves are concavely arranged on the two feeding rollers (911) along the length direction of the feeding rollers, the belt grooves on the two feeding rollers (911) are consistent in number and correspond to one another, the two corresponding belt grooves are aligned along the front-back direction, the plurality of belt grooves on any one feeding roller (911) correspond to the plurality of first feeding belts (914) one to one, the plurality of first feeding belts (914) are arranged between the two supporting plates (6), and two conveying rollers (911) pass through the rings of the first conveying belts (914), the corresponding two belt grooves jointly open one first conveying belt (914), the outer ring of the first conveying belt (914) protrudes out of the belt grooves, the first paper pressing piece (912) is horizontally arranged between the two supporting plates (6) and is positioned at the rear part of the steering roller (4) below, a plurality of groups of ball groups distributed at intervals along the left-right direction are embedded on the lower end surface of the first paper pressing piece (912), each group of ball groups is provided with a plurality of first balls (9121) distributed at intervals along the front-back direction, the plurality of groups of ball groups correspond to the plurality of first conveying belts (914) one by one, and the plurality of first balls (9121) in each group of ball groups are positioned right above the corresponding first conveying belts (914), and with the laminating of corresponding first conveyor belt (914), second driving piece (913) are installed on arbitrary one backup pad (6), and its drive end with arbitrary one conveyor roller (911) transmission connection, the paper through a plurality of first conveyor belt (914) the top with by the back forward transport to the below of conveyer belt (2).

10. The paper turn-over device according to claim 8, wherein the paper output assembly (92) comprises a deviation correction slot (921), a second conveyor belt (922), a second paper pressing member (923), a third driving member (924), two second rotating shafts (925) and two belt pulleys (926), the two second rotating shafts (925) are horizontally arranged between the two support plates (6) along the left-right direction, one end or two ends of the two second rotating shafts are rotatably connected with the support plates on the corresponding sides, the deviation correction slot (921) is arranged on one side above the two second rotating shafts (925) along the front-back direction, the notch of the deviation correction slot (921) faces to the other side, the deviation correction slot (921) is through from front to back, the slot depth gradually narrows from front to back, and the front-back direction of the notch side is flush, the two belt pulleys (926) are respectively and coaxially and fixedly mounted on the two second rotating shafts (925), and are close to the notch of the deviation rectifying groove (921) and aligned front and back, the second conveying belt (922) is sleeved on the two belt pulleys (926), the second paper pressing piece (923) is suspended above the second conveying belt (922), and a plurality of second balls (9231) jointed with the upper end of the second conveying belt (922) are embedded at the lower end of the second paper pressing piece (923) along the front-back direction at intervals, and the horizontal height of the upper end of the second conveying belt (922) is between the side walls of the upper and lower sides of the deviation rectifying groove (921), the third driving piece (924) is in transmission connection with one end of any one second rotating shaft (925), and a plurality of second rotating shafts (925) are vertically arranged along the front-back direction, and along layer board (927) that left and right direction interval was distributed, a plurality of the upper end of layer board (927) all with the upper end of second conveyor belt (922) is flush.

Technical Field

The invention belongs to the field of jet printing equipment, and particularly relates to a half-suction type paper feeding roller and a paper turning device.

Background

The existing digital blueprint printing device generally needs double-sided printing during printing, and needs to utilize a turnover device during double-sided printing, but the turnover efficiency of the existing turnover device is low, paper jam is easy to occur, and turnover is not smooth.

Disclosure of Invention

In order to solve the above-mentioned problems, an object of the present invention is to provide a half-suction paper feed roller which has a simple structure and can perform suction paper feed and turn over.

In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a half formula of induced drafting roller of form advancing, includes changes roller, break plate and fan housing, change the roller and set up along left right direction level, just the coaxial fixed pivot that is equipped with in middle part of changeing the roller, just the even concave a plurality of passageways that are equipped with in left side edge circumference interval of changeing the roller, every the passageway extends to and is close to the right side of changeing the roller, every the passageway along its length direction interval even be equipped with change the hole of inhaling that roller roll surface link up, the break plate is the circular slab, its coaxial rotation install in the pivot, and with the left side laminating of changeing the roller, and with a plurality of the open end shutoff of passageway, be equipped with a plurality of holes of induced drafting that run through about on the break plate, a plurality of the hole of induced drafting is in be convex distribution on the break plate, just when changeing the roller for the break plate rotates, every the passageway is rotatable to link up with a plurality of the hole of induced drafting in proper order, the fan housing sets up the left side of break plate is equipped with the position department of induced drafting the hole, just the fan housing with the break plate encloses jointly and closes and form a cavity, and is a plurality of induced drafting the hole all with communicate in the cavity, be equipped with at least one negative pressure interface that is used for with negative pressure equipment intercommunication on the fan housing.

The beneficial effects of the above technical scheme are that: therefore, when the distribution plate is kept static and the rotary roller rotates, the negative pressure interface of the fan cover is induced by negative pressure equipment to cause negative pressure in the fan cover, the rotary roller rotates to the position that the channel communicated with the air suction opening is negative pressure, the corresponding air suction hole is negative pressure to adsorb paper, after the rotary roller rotates to the position that the channel leaves the distribution plate, the corresponding channel recovers normal pressure to lose the capacity of adsorbing the paper, and the paper can be sent out.

In the technical scheme, the arc center angle of the arc shape in which the plurality of air suction holes are distributed is 180 degrees.

The beneficial effects of the above technical scheme are that: therefore, the paper can be turned over just by the paper.

In the above-mentioned technical scheme change on the roll surface of roller along the coaxial concave a plurality of annulars that are equipped with of left right direction interval, it runs through to inhale the hole the one end of changeing the roller all is located in the annular, every a plurality of on the passageway inhale the hole and a plurality of the annular one-to-one, and every inhale the hole and run through the one end of changeing the roll surface of roller is located in the annular, every inhale the even distribution of hole circumferential direction interval in the annular.

The beneficial effects of the above technical scheme are that: the paper adsorption device is simple in structure, can realize smooth adsorption of paper on the roller surface of the rotary roller, and simultaneously avoids the paper from being adsorbed and broken.

The invention also aims to provide a turnover device capable of turning over the paper.

In order to achieve the above object, another technical solution of the present invention is as follows: a paper turn-over device comprises a conveyor belt 2, a first driving piece 3, an arc-shaped cover plate 5, two steering rollers 4, two support plates 6 and a half air suction type paper feeding roller 1, wherein the two support plates 6 are vertically arranged along the front-back direction and are distributed at intervals along the left-right direction, the half air suction type paper feeding roller 1 is arranged at the front side between the two support plates 6, the two ends of a rotating shaft 111 are respectively and rotatably connected with the two support plates 6, a distribution plate 12 is fixedly connected with the support plates 6 close to the distribution plate, a plurality of air suction holes 121 are distributed on the arc opening in the arc shape towards the back, the two steering rollers 4 are horizontally arranged between the two support plates 6 along the left-right direction and are distributed at intervals along the up-down direction, the two ends of the two rotating shafts 111 are rotatably connected with the two support plates 6, the conveyor belt 2 is sleeved between the two support plates 6, just it all is located to change roller 11 and two turning roll 4 in conveyer belt 2, and will jointly conveyer belt 2 struts, be covered with the perforation that runs through it on conveyer belt 2, first driving piece 3 is installed at arbitrary one in backup pad 6, and its drive end with the one end transmission of pivot 111 is connected, the arc mouth of arc cover plate 5 is towards the back, and the cover is established change roller 11's front side, its both sides and two backup pad 6 is connected fixedly, arc cover plate 5 with arc clearance has between conveyer belt 2, the arc clearance is used for supplying the paper to pass through.

The beneficial effects of the above technical scheme are that: the paper feeding device is simple in structure, paper can be conveyed from bottom to top through the conveyor belt and turned over, when the semi-suction type paper feeding roller rotates, the channel at the position of the part, attached to the conveyor belt, of the semi-suction type paper feeding roller is negative pressure, and therefore when the conveyor belt rotates to the position, the conveyor belt can adsorb the paper and convey the paper upwards to the turning face.

Still include two air suction plates among the above-mentioned technical scheme, one side of air suction plate is covered with the adsorption hole, just have on the air suction plate with a plurality of adsorption hole intercommunication's trachea interface, two air suction plate sets up two between the backup pad, and be located in the conveyer belt, and interval distribution about in the conveyer belt is located the top air suction plate sets up change the roller with be located the top turn to between the roller, and its one side that has the adsorption hole up, and with the conveyer belt laminating, be located the below air suction plate sets up change the roller with be located the below turn to between the roller, and its one side that has the adsorption hole is down, and with the conveyer belt laminating, the trachea interface on the air suction plate is used for communicating with negative pressure equipment.

The beneficial effects of the above technical scheme are that: this allows the paper to be attracted to the conveyor belt at the location of the two suction plates.

Still include the tensioning roller among the above-mentioned technical scheme, the tensioning roller is along controlling the direction level setting two turn to between the roller, and be located the conveyer belt is out of band, the both ends of tensioning roller are rotated respectively and are connected with a connecting block, and two the connecting block is connected with two backup pads, two the connecting block is two adjustable in order to adjust around the position in the backup pad the rate of tension of conveyer belt.

The beneficial effects of the above technical scheme are that: therefore, the tension degree of the conveying belt can be adjusted in time, and the phenomenon that the conveying belt is loosened to cause unsmooth paper feeding is avoided.

Still include two among the above-mentioned technical scheme adjust the pole, two the equal slidable mounting of connecting block is two in the backup pad, two screw that runs through around all being equipped with on the connecting block, two correspond in the backup pad the place ahead of connecting block or the equal protruding lug of establishing in rear, two adjust the pole and set up along the fore-and-aft direction level, and with two the lug one-to-one, every it runs through the correspondence around along the regulation pole the lug rotates rather than being connected, every be close to the homonymy on adjusting the pole the one end of connecting block is equipped with the external screw thread to pass the homonymy screw on the connecting block and rather than threaded connection rotate adjust the pole and correspond with the drive the connecting block removes along the fore-and-aft direction.

The beneficial effects of the above technical scheme are that: it is convenient to adjust, and can fix spacing to the connecting block.

Still include paper feed subassembly and play paper subassembly among the above-mentioned technical scheme, paper feed subassembly and play paper subassembly all set up two between the backup pad, just paper feed subassembly exit slot is forward, and is close to and is located the below turn to the below of roller, it is used for carrying the paper to the preceding extremely the conveyer belt, and by the conveyer belt drives the paper is walked around turn to the roller from lower upwards carry and turn-over, the paper feed mouth of going out the paper subassembly is forward, and is close to and is located the top turn to the roller, the conveyer belt sends out the paper extremely go out the paper feed mouth of going out the paper subassembly, and by it sends out the paper to go out the paper subassembly.

The beneficial effects of the above technical scheme are that: the structure is simple, and the integration degree is high.

In the above technical solution, the paper feeding assembly includes two conveying rollers, a first paper pressing member, a second driving member and a plurality of first conveying belts, the two conveying rollers are horizontally disposed at the lower end between the two supporting plates along the left-right direction and are distributed along the front-back direction at intervals, and are located in front of the lower portion of the rotary roller, the two conveying rollers are each provided with a plurality of annular belt grooves along the length direction at intervals, the number of the belt grooves on the two conveying rollers is consistent and one-to-one corresponding to that of the belt grooves on the two conveying rollers, the two corresponding belt grooves on any one conveying roller are aligned along the front-back direction, the plurality of belt grooves on any one conveying roller correspond to the plurality of first conveying belts one-to-one, the plurality of first conveying belts are disposed between the two supporting plates, and the two conveying rollers pass through the plurality of first conveying belts, and the corresponding two belt grooves jointly open one first conveying belt, and the outer ring of the first conveying belt protrudes out of the belt groove, the first paper pressing piece is horizontally arranged between the two supporting plates, and is positioned at the rear of the steering roller below, a plurality of groups of ball groups distributed at intervals along the left-right direction are embedded on the lower end surface of the first paper pressing piece, each group of ball groups is provided with a plurality of first balls which are distributed at intervals along the front-back direction, a plurality of groups of ball groups correspond to a plurality of first conveying belts one by one, the plurality of first balls in each group of ball groups are all positioned right above the corresponding first conveying belts, and is jointed with the corresponding first conveying belt, the second driving piece is arranged on any one of the supporting plates, and the driving end of the paper is in transmission connection with any one of the conveying rollers, and the paper is conveyed to the lower part of the conveying belt through the upper part of the first conveying belts and the back to the front.

The beneficial effects of the above technical scheme are that: so can be convenient carry the paper to being located the below turn to the below of roller to the paper adsorbs to carry out the turn-over and carry on the conveyer belt.

In the above technical solution the paper outlet assembly 92 comprises a deviation rectifying groove 921, a second conveying belt 922, a second paper pressing member 923, a third driving member 924, two second rotating shafts 925 and two belt pulleys 926, wherein the second rotating shafts 925 are horizontally arranged between two support plates 6 along the left and right direction, one end or two ends of each second rotating shaft are rotationally connected with the support plate corresponding to the corresponding side, the deviation rectifying groove 921 is arranged on one side of the second rotating shaft 925 along the front and back direction, the notch of the deviation rectifying groove 921 faces to the other side, the front and back of the deviation rectifying groove 921 are communicated, the groove depth of each deviation rectifying groove is gradually narrowed from front to back, the front and back direction of the notch side of each deviation rectifying groove is flushed, the two belt pulleys 926 are respectively and are coaxially and fixedly mounted on the second rotating shafts 925, the groove mouth of the deviation rectifying groove 921 is aligned front and back, the second conveying belt 922 is sleeved on the two belt pulleys 926, the second presses paper 923 to hang and establishes second conveyer 922's top, just the lower extreme that the second pressed paper 923 inlays along preceding back direction interval and is equipped with a plurality of second ball 9231 with the laminating of second conveyer 922 upper end, just the level of second conveyer 922's upper end is in between the groove lateral wall of both sides about the groove 921 of rectifying, third driving piece 924 and arbitrary one the one end transmission of second pivot 925 is connected, and two be equipped with a plurality of vertical settings of front and back direction of edge between the second pivot 925 to direction interval distribution's about the edge layer board 927, a plurality of layer board 927's upper end all with the upper end of second conveyer 922 flushes.

The beneficial effects of the above technical scheme are that: so can be convenient send out the paper and make the paper rectify by rectifying groove when sending out for its one side that is close to rectifying groove when sending out of paper all flushes.

Drawings

FIG. 1 is a schematic view of the structure of a roll in example 1 of the present invention;

FIG. 2 is a sectional view of a rotating roller according to embodiment 1 of the present invention;

FIG. 3 is an assembly view of the rotating roller and the distribution plate according to example 1 of the present invention;

FIG. 4 is an assembly view of a half suction type paper feeding roller according to embodiment 1 of the present invention;

fig. 5 is an elevation view of the paper inverting apparatus according to embodiment 2 of the present invention;

fig. 6 is an elevation view of a part of the paper inverting apparatus according to embodiment 2 of the present invention;

FIG. 7 is another elevation view of a portion of the paper inverting apparatus of embodiment 2 of the present invention;

FIG. 8 is an exploded view of the arcuate shroud plate relative to the rotating roll in accordance with example 2 of the present invention;

fig. 9 is another elevation view of the paper inverting apparatus according to embodiment 2 of the present invention;

FIG. 10 is a plan view of the air suction plate according to embodiment 2 of the present invention;

FIG. 11 is a sectional view of the air-sucking plate according to embodiment 2 of the present invention;

FIG. 12 is a view showing the connection block and the adjustment rod fitted to the support plate in embodiment 2 of the present invention;

fig. 13 is an exploded view of the paper inverting apparatus according to embodiment 2 of the present invention;

FIG. 14 is a partial top view of the exit assembly of embodiment 2 of the present invention;

fig. 15 is a side view of the second conveyor belt and the second platen in embodiment 2 of the present invention.

In the figure: 1 half formula of induced drafting paper feed roller, 11 change the roller, 111 pivot, 112 passageways, 113 suction holes, 114 annular, 12 break plates, 121 suction holes, 13 fan housings, 131 negative pressure interface, 2 conveyer belt, 3 first driving piece, 4 turn to the roller, 5 arc cover plate, 6 backup pads, 7 suction plate, 71 suction holes, 72 trachea interface, 8 tensioning roller, 81 connecting block, 82 regulation pole, 91 paper feed subassembly, 911 conveying roller, 912 first pressure paper spare, 9121 first ball, 913 second driving piece, 914 first conveyer belt, 92 play paper subassembly, 921 deviation groove, 922 second conveyer belt, 923 second presses paper spare, 9231 second ball, 924 third driving piece, 925 second pivot, 926 belt pulley, 927 layer board.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention. The present invention is more particularly described in the following paragraphs with reference to the accompanying drawings, which are intended to be in a very simplified form and to be used in a non-precise scale, for the purpose of facilitating and distinctly facilitating the explanation of the embodiments of the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Example 1

As shown in fig. 1-4, this embodiment provides a half-suction paper feeding roller, which includes a rotating roller 11, a distributing plate 12 and a fan housing 13, wherein the rotating roller 11 is horizontally disposed along a left-right direction, a rotating shaft 111 is coaxially and fixedly disposed in the middle of the rotating roller 11, a plurality of channels 112 are uniformly and circumferentially and concavely disposed at the left edge of the rotating roller 11 at intervals, each channel 112 extends to a position close to the right side of the rotating roller 11, suction holes 113 penetrating through the roller surface of the rotating roller 11 are uniformly and circumferentially disposed at intervals along the length direction of each channel 112, the distributing plate 12 is a circular plate, is coaxially and rotatably mounted on the rotating shaft 111, is attached to the left side of the rotating roller 11, and seals the open ends of the plurality of channels 112, a plurality of left-right penetrating suction holes 121 are disposed on the distributing plate 12, and the plurality of suction holes 121 are distributed in a circular arc shape, when the rotary roller 11 rotates relative to the distribution plate 12, each channel 112 can rotate to sequentially communicate with the plurality of air suction holes 121, the fan housing 13 is arranged at the position where the air suction holes 121 are arranged on the left side of the distribution plate 12, the fan housing 13 and the distribution plate 12 jointly enclose to form a cavity, the air suction holes 121 are all communicated with the cavity, at least one negative pressure interface 131 used for being communicated with negative pressure equipment is arranged on the fan housing 13, so when the distribution plate is kept static and the rotary roller rotates, the negative pressure interface of the fan housing is induced by air suction of the negative pressure equipment to cause negative pressure in the fan housing, the rotary roller rotates to the channel communicated with the air suction ports to cause negative pressure, the corresponding air suction holes are all negative pressure to adsorb paper, and after the rotary roller rotates to the channel to leave the distribution plate, the corresponding channel recovers to normal pressure and loses the paper adsorption capacity, at this time, the sheet can be fed out. The air suction holes can be arc-shaped, two adjacent air suction holes are close to each other, each air suction hole can be communicated with the plurality of channels at the same time, and details are shown in fig. 2.

In the technical scheme, the arc center angle of the arc where the plurality of air suction holes 121 are distributed is 180 degrees, so that the paper can be turned over just.

Among the above-mentioned technical scheme change on the roll surface of roller 11 along the coaxial concave a plurality of annular 114 of left right direction interval, inhale hole 113 and run through the one end of changeing roller 11 all is located in annular 114, every a plurality of on the passageway 112 inhale hole 113 and a plurality of annular 114 one-to-one, and every inhale hole 113 and run through the one end of changeing roller 11 roll surface is located in annular 114, every inhale hole 113 circumference interval even distribution in the annular 114, its simple structure can realize the smooth absorption of paper on changeing the roll surface of roller, avoids the paper to be inhaled brokenly simultaneously.

Example 2

As shown in fig. 5-8, this embodiment provides a paper turning device, which includes a conveyor belt 2, a first driving member 3, an arc-shaped cover plate 5, two turning rollers 4, two supporting plates 6, and the half-suction type paper feeding roller 1 according to embodiment 1, wherein the two supporting plates 6 are vertically disposed along a front-back direction and are spaced apart from each other along a left-right direction, the half-suction type paper feeding roller 1 is disposed at a front side between the two supporting plates 6, two ends of the rotating shaft 111 are respectively rotatably connected to the two supporting plates 6, the distributing plate 12 is fixedly connected to the supporting plate 6 near the distributing plate 12, an arc opening of a circular arc shape where the plurality of air suction holes 121 are distributed faces backward, the two turning rollers 4 are horizontally disposed between the two supporting plates 6 along the left-right direction and are spaced apart from each other along an up-down direction, two ends of the two rotating shafts 111 are rotatably connected to the two supporting plates 6, the conveying belt 2 is sleeved between the two supporting plates 6, the rotating roller 11 and the two steering rollers 4 are both located in the conveying belt 2 and jointly prop the conveying belt 2 open, holes penetrating through the conveying belt 2 are fully distributed on the conveying belt 2, the first driving piece 3 is installed on any one of the supporting plates 6, the driving end of the first driving piece is in transmission connection with one end of the rotating shaft 111, an arc opening of the arc cover plate 5 faces backwards and covers the front side of the rotating roller 11, two sides of the first driving piece are fixedly connected with the two supporting plates 6, an arc gap is formed between the arc cover plate 5 and the conveying belt 2 and used for paper to pass through, the structure is simple, paper can be conveyed from bottom to top through the conveying belt and turned over the paper, and when the semi-suction type paper feeding roller rotates, negative pressure is formed in a channel at the position where the semi-suction type paper feeding roller is attached to the conveying belt, so that the conveyor belt can absorb the paper and convey the paper upwards to the turnover surface when rotating to the position.

As shown in fig. 10-11, the above technical solution further includes two air suction plates 7, one side of each air suction plate 7 is covered with an adsorption hole 71, and each air suction plate 7 is provided with an air pipe connector 72 communicated with the adsorption holes 71, the two air suction plates 7 are disposed between the two support plates 6 and are located in the conveyor belt 2 and are distributed in the conveyor belt 2 at intervals up and down, the air suction plate 7 located above is disposed between the rotating roller 11 and the turning roller 4 located above, and one side of the air suction plate 7 having the adsorption hole 71 is upward and is attached to the conveyor belt 2, the air suction plate 7 located below is disposed between the rotating roller 11 and the turning roller 4 located below, and one side of the air suction plate 7 having the adsorption hole 71 is downward and is attached to the conveyor belt 2, the air pipe connector 72 on the air suction plate 7 is used for communicating with a negative pressure device, this allows the paper to be attracted to the conveyor belt at the location of the two suction plates.

Still include tensioning roller 8 among the above-mentioned technical scheme, tensioning roller 8 sets up two along the left and right sides direction level between the direction of turning to roller 4, and be located outside conveyer belt 2, tensioning roller 8's both ends are rotated respectively and are connected with a connecting block 81, and two connecting block 81 is connected with two backup pads 6, two connecting block 81 is two adjustable in order to adjust around the position in backup pad 6 the rate of tension of conveyer belt 2, so can in time adjust the rate of tension of conveyer belt, avoid the conveyer belt to relax and lead to form advancing smoothly.

As shown in fig. 12, the technical solution further includes two adjusting rods 82, two equal slidable mounting of connecting block 81 is two on the backup pad 6, two screw holes that run through around all being equipped with on the connecting block 81, two correspond on the backup pad 6 a lug is all convexly established in the place ahead of connecting block 81 or rear, two adjusting rods 82 set up along the fore-and-aft direction level, and with two lug one-to-one, every adjusting rod 82 runs through around along and corresponds the lug and rather than rotate and be connected, every adjusting rod 82 is last to be close to the homonymy one end of connecting block 81 is equipped with the external screw thread, and passes the homonymy screw hole on the connecting block 81 and threaded connection with it rotates adjusting rod 82 corresponds with the drive connecting block 81 removes along the fore-and-aft direction, and its regulation is convenient, and can fix the connecting block spacing.

Still include paper feed subassembly 91 and go out paper subassembly 92 among the above-mentioned technical scheme, paper feed subassembly 91 and play paper subassembly 92 all set up two between the backup pad 6, just paper feed subassembly 91 exit slot is forward, and is close to and is located the below turn to the below of roller 4, it is used for carrying the paper forward by the back extremely conveyer belt 2, and by conveyer belt 2 drives the paper bypasses change roller 11 from bottom to top and transport and turn-over, the paper feed mouth that goes out paper subassembly 92 forward, and be close to and be located the top turn to roller 4, conveyer belt 2 sends out the paper extremely go out paper subassembly 92's paper feed mouth, and by go out paper subassembly 92 and see off the paper, its simple structure, and integrate the degree height.

As shown in fig. 9 and 13, in the above technical solution, the paper feeding assembly 91 includes two feeding rollers 911, a first paper pressing member 912, a second driving member 913 and a plurality of first feeding belts 914, the two feeding rollers 911 are horizontally disposed at a lower end between the two supporting plates 6 along the left-right direction, and are spaced apart from each other along the front-rear direction, and are located below the front rotating roller, a plurality of annular belt grooves are recessed along the length direction of each of the two feeding rollers 911, the number of the belt grooves on the two feeding rollers 911 is the same and corresponds to each other, the two corresponding belt grooves are aligned along the front-rear direction, the plurality of belt grooves on any one feeding roller 911 correspond to the plurality of first feeding belts 914 one by one, the plurality of first feeding belts 914 are disposed between the two supporting plates 6, and the two feeding rollers 911 pass through the rings of the plurality of first feeding belts 914, the two corresponding belt grooves jointly support one first conveying belt 914, an outer ring of the first conveying belt 914 protrudes out of the belt grooves, the first paper pressing piece 912 is horizontally arranged between the two supporting plates 6 and is positioned below the first paper pressing piece 4, a plurality of groups of ball groups distributed at intervals along the left-right direction are embedded on the lower end face of the first paper pressing piece 912, each group of ball groups is provided with a plurality of first balls 9121 distributed at intervals along the front-back direction, the plurality of groups of ball groups correspond to the plurality of first conveying belts 914 one by one, each group of the plurality of first balls 9121 in the ball groups are positioned right above the corresponding first conveying belt 914 and are attached to the corresponding first conveying belt 914, the second driving piece 913 is arranged on any one of the supporting plates 6, and the driving end of the second driving piece is in transmission connection with any one of the conveying rollers 911, the paper is through a plurality of first conveyor belt 914's top and by the back forward transport extremely conveyer belt 2's below, so can be convenient carry the paper to being located the below the turning roll's below to the paper adsorbs to turn over and carry on the conveyer belt.

As shown in fig. 13-15, in the above technical solution, the paper discharging assembly 92 includes a deviation rectifying slot 921, a second conveying belt 922, a second paper pressing member 923, a third driving member 924, two second rotating shafts 925 and two belt pulleys 926, two of the second rotating shafts 925 are horizontally disposed between two of the supporting plates 6 and are spaced apart from each other in the front-back direction at the rear of the steering roller 4 located above, the deviation rectifying slot 921 is disposed on one side of the two second rotating shafts 925 in the front-back direction, the slot opening of the deviation rectifying slot 921 faces to the other side, the deviation rectifying slot 921 runs through from front to back, the slot depth gradually narrows from front to back, and the front-back direction of the slot opening side is flush, the two belt pulleys 926 are respectively and coaxially and fixedly mounted on the two of the second rotating shafts 925, and are both close to the slot opening of the deviation rectifying slot 921 and are aligned front to back, the second conveying belt 922 is sleeved on the two belt pulleys 926, second presses paper 923 to hang and establishes second conveyor 922's top, just the lower extreme that second pressed paper 923 is along preceding back direction interval inlay the second ball 9231 that is equipped with a plurality of and second conveyor 922 upper end laminating, just the level of second conveyor 922's upper end between rectify about the groove 921 both sides groove lateral wall, third driving piece 924 and arbitrary one the one end transmission of second pivot 925 is connected, and two be equipped with a plurality of vertical settings of front and back direction of edge between the second pivot 925 to direction interval distribution's layer board 927 about following is a plurality of layer board 927's upper end all with the upper end of second conveyor 922 flushes, so can be convenient send out the paper and make the paper rectify by rectifying the groove when sending out for the paper all flushes near one side of rectifying the groove when sending out.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.