CN109516250B - Swing structure of paper-leaning roller - Google Patents
Swing structure of paper-leaning roller Download PDFInfo
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- CN109516250B CN109516250B CN201910030911.1A CN201910030911A CN109516250B CN 109516250 B CN109516250 B CN 109516250B CN 201910030911 A CN201910030911 A CN 201910030911A CN 109516250 B CN109516250 B CN 109516250B
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- shaft
- paper
- transmission shaft
- supporting wall
- sleeve
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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
- B65H5/06—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers
- B65H5/062—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers between rollers or balls
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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
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/11—Dimensional aspect of article or web
- B65H2701/113—Size
- B65H2701/1131—Size of sheets
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Replacement Of Web Rolls (AREA)
- Unwinding Webs (AREA)
Abstract
The paper-leaning roller swinging structure comprises a paper-leaning shaft (11) in a paper-leaning roller (1), wherein a transmission shaft (81) is arranged at the end of the paper-leaning shaft (11); a cylindrical shaft sleeve head (14) extends towards the transmission shaft (81) by the end head of the paper shaft (11); the surface wall of the shaft sleeve head (14) is inwards sunken with a shaft pin groove (15) extending to the side wall of the transmission shaft (81); a transmission pin (82) is inserted into the shaft pin groove (15) at the end part of the transmission shaft (81); a first positioning sleeve (831) is sleeved on the outer side wall of the shaft sleeve head (14) at the outer side of the transmission pin (82) and the transmission shaft (81); the second supporting wall (5) on the outer side of the transmission shaft (81) is provided with a second supporting wall groove (52) for accommodating the transmission shaft (81) to swing, so that following friction when a roller body is close to paper in the prior art is fundamentally overcome, the roller body can be in rolling contact with the paper at the same speed, the paper is pressed without being pulled to follow, and rolling type swing is carried out in the third direction (Z).
Description
Technical Field
The application relates to the field of paper conveying in printing, in particular to a swinging structure of a paper roll.
Background
In the prior art:
for example: chinese patent CN 2843836-pneumatic adjusting device for draw-off roll, which is the closest prior art to this application, in this application, a roll body is arranged along the outside of draw-off roll, and the swing back through the roll body is laminated with draw-off roll and then realizes the draw-off effect.
However, because of the weight of the roller body, the roller body is driven to rotate by the friction between the paper and the paper drawing roller in the swinging process, and the paper is often torn.
How to prevent the paper from tearing during the swinging of the paper-receiving roller is solved by further research of related technicians.
In view of the above, it is an urgent technical problem to be solved by those skilled in the art how to design a swinging structure of a paper supporting roller to overcome the above-mentioned drawbacks in the prior art.
Disclosure of Invention
The present application is directed to overcoming the problems in the prior art and providing a swing structure of a sheet receiving roller.
The object of the present application is achieved by a swing structure of a backup roller including a backup shaft in the backup roller, wherein the backup roller is provided with a first guide member and a second guide member, and the first guide member is provided with a first guide hole and a second guide hole, and the second guide hole is provided with a second guide hole
A transmission shaft is arranged on the end head of the paper shaft;
a cylindrical shaft sleeve head extends towards the transmission shaft by the end head of the paper shaft;
the surface wall of the shaft sleeve head is inwards sunken with a shaft pin groove extending to the side wall of the transmission shaft;
the end part of the transmission shaft is inserted into the shaft pin groove and is connected with a transmission pin;
a first positioning sleeve is sleeved on the shaft sleeve head outside the transmission pin and the outer side wall of the transmission shaft;
and a second supporting wall groove for accommodating the transmission shaft to swing is arranged on the second supporting wall on the outer side of the transmission shaft.
The transmission shaft is sleeved with a first positioning sleeve and a second positioning sleeve;
a first oil baffle ring is clamped between the first positioning sleeve and the second positioning sleeve and is arranged on the outer side of the second supporting wall groove;
and a first oil retaining ring and a second oil retaining ring are respectively arranged along the end heads at the two sides of the second positioning sleeve.
The radius value of the second supporting wall groove is larger than that of the transmission shaft.
The radius value of the second supporting wall groove is smaller than that of the first oil baffle ring.
And a second support wall oil return hole penetrates through the second support wall on the lower side of the second support wall groove, and an oil return sleeve is sleeved on the second support wall outside the second support wall oil return hole.
The swing width value a of the transmission shaft swinging along the third direction z;
the swinging base point of the transmission shaft is arranged at the center of a second supporting wall groove along the second supporting wall, and the center distance value from the center of the second supporting wall groove to the transmission shaft is the swinging length value c;
the swing angle value theta of the transmission shaft;
the transmission shaft swings and descends along the second direction y by a swing clearance value b;
wherein tan θ is a/(c-b).
The radius value R3 of the second supporting wall groove is larger than the radius value R1 of the transmission shaft;
wherein R3 > R1+ a.
Compared with the prior art, the application has the following obvious advantages and effects:
1. fundamentally overcomes among the prior art roll body and follows the friction when being close to the paper, and with the rolling contact of paper with the rate, the suppression paper does not produce the pulling and follows, carries out the swing of roll formula in the third direction.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is an overall schematic view of a paper receiving roller mounting structure in the present application.
Fig. 2 is a use state diagram of the first swing portion in the present application.
Fig. 3 is a schematic view of the internal structure of the sheet-receiving roller in the present application.
Fig. 4 is a schematic perspective view of the paper supporting wheel and the paper pressing wheel in the present application.
Fig. 5 is a driving schematic diagram of the driving structure in the present application.
Fig. 6 is a schematic view of the oscillating state of the transmission device in the present application.
Fig. 7 is a schematic diagram of the dimensions of a second supporting wall channel in the present application.
Fig. 8 is a schematic diagram of a driving structure of the sheet-receiving roller in the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The paper-leaning roller swinging structure comprises a paper-leaning shaft 11 in a paper-leaning roller 1, wherein a transmission shaft 81 is arranged at the end of the paper-leaning shaft 11; a cylindrical shaft sleeve head 14 extends towards the transmission shaft 81 by the end head of the paper shaft 11; the surface wall of the shaft sleeve head 14 is inwards sunken with a shaft pin groove 15 extending to the side wall of the transmission shaft 81; a transmission pin 82 is inserted into the shaft pin groove 15 at the end of the transmission shaft 81; a first positioning sleeve 831 is sleeved on the outer side wall of the shaft sleeve head 14 at the outer side of the transmission pin 82 and the transmission shaft 81; the second supporting wall 5 on the outer side of the transmission shaft 81 is provided with a second supporting wall groove 52 for accommodating the transmission shaft 81 to swing, so that the following friction when the roller body is close to paper in the prior art is fundamentally overcome, the roller body can be in rolling contact with the paper at the same speed, the paper is pressed without being pulled to follow, and the rolling type swing is carried out in a third direction.
Referring to fig. 1 to 8, the paper is conveyed by the way that the paper drawing roller and the paper leaning roller rotate synchronously, so that the situation that the rotation of the paper leaning roller is generated by friction in the prior art is avoided completely.
The paper-leaning roller swinging structure comprises a paper-leaning shaft 11 in a paper-leaning roller 1, wherein a swinging structure with a driving device is arranged along the end of the paper-leaning roller, and the end of the paper-leaning shaft 11 is ensured to be driven by the end of a transmission shaft 81 through the driving device.
A transmission shaft 81 is provided at the end of the paper feed shaft 11, and the paper feed shaft 81 is driven along the end of the paper feed shaft 11. The paper shaft 11 is changed from following transmission in the prior art to active driving, so that friction caused by following on the surface of paper is thoroughly avoided, and tearing of the paper is greatly avoided.
A cylindrical shaft sleeve head 14 extends towards the transmission shaft 81 by the end head of the paper shaft 11;
the surface wall of the shaft sleeve head 14 is inwards sunken with a shaft pin groove 15 extending to the side wall of the transmission shaft 81; and extends to the transmission shaft 81 along the side wall of the end of the sleeve head 14, so that the transmission shaft 81 can be butted with the outer end of the transmission shaft along the outer side wall to form a corresponding mounting structure.
A driving pin 82 is inserted into the shaft pin groove 15 at the end of the driving shaft 81, and the driving pin 82 is used for transmitting axial rotation.
The cylindrical shaft sleeve head 14 is arranged to be conveniently butted with the cylindrical end part of the transmission shaft 81 to form one-to-one corresponding connection, wherein a shaft pin groove 15 is formed in the end part of the shaft sleeve head 14, a transmission pin 82 is installed to guarantee that relative driving is carried out between the shaft sleeve head 14 and the transmission shaft 81.
In the embodiment of the present application,
a first positioning sleeve 831 is sleeved on the outer side wall of the shaft sleeve head 14 at the outer side of the transmission pin 82 and the transmission shaft 81; the first positioning sleeve 831 is used for rotatably fixing the sleeve driving pin 82 on the end of the sleeve head 14 and the driving shaft 81.
In order to avoid mechanical interference when the transmission shaft 81 is swung in the third direction z, a second support wall groove 52 having a hollow cylindrical structure is provided.
The second support wall 5 along the outer side of the transmission shaft 81 is provided with a second support wall groove 52 for accommodating the transmission shaft 81 to swing. A space for swinging is secured for the outside of the transmission shaft 81 by the space of the second supporting wall groove 52.
Set up two position sleeves and cup joint on along transmission shaft 81, one of them position sleeve is used for injecing the relative position between transmission shaft 81, axle sleeve head 14 and drive pin 82 three, and another position sleeve is used for injecing the position of transmission shaft 81 both sides oil baffle ring, sets up an oil baffle ring respectively along second support wall 52 both sides, avoids lubricating grease to take place to flow.
In the embodiment of the present application,
a first positioning sleeve 831 and a second positioning sleeve 832 are sleeved on the left side and the right side of the transmission shaft 81;
a first oil baffle ring 851 is clamped between the first positioning sleeve 831 and the second positioning sleeve 832 and is arranged on the transverse left side of the second supporting wall groove 52;
first oil retaining rings 851 and second oil retaining rings 852 are respectively arranged along the two side ends of the second positioning sleeve 832, so that lubricating grease is prevented from being omitted to the outside of the second supporting wall 5.
Wherein the radius value R3 of the second supporting wall slot 52 is greater than the radius value R1 of the driving shaft 81. It is ensured that the transmission shaft 81 can swing back and forth in the third direction z in the second support wall groove 52.
In the embodiment of the present application,
the radius value R3 of the second support wall groove 52 is smaller than the radius value R2 of the first oil deflector 851. The oil baffle ring of the disk shape is ensured to be arranged outside the second supporting wall groove 52, and can shield the second supporting wall groove 52, and the oil entering the second supporting wall groove 52 slightly enters under the splashing condition.
A second supporting wall oil return hole 53 penetrates through the second supporting wall 5 on the lower side of the second supporting wall groove 52, and an oil return sleeve 84 is sleeved on the second supporting wall 5 on the outer side of the second supporting wall oil return hole 53.
After the splashed grease enters the second support wall groove 52, the lubricating grease is returned to the meshing of the gears through the second support wall oil return holes 53 on the lower side of the second support wall groove 52.
A swing width value a of the transmission shaft 81 swinging along the third direction z; the transmission shaft 81 swings a distance in the third direction z.
The base point of the swing of the transmission shaft 81 is set at the center of the second supporting wall 52 along the second supporting wall 5, and the center distance value from the center of the second supporting wall 52 to the transmission shaft 81, i.e. the swing length value c;
the oscillation angle value θ of the transmission shaft 81;
the transmission shaft 81 swings down in the second direction y by a swing gap value b;
wherein tan θ is a/(c-b).
The mutual position and size relation of the sizes of the transmission shaft 81 and the second supporting wall groove 52 can be theoretically supported, and the mechanical interference is avoided during the swinging operation.
Wherein the radius value R3 of the second supporting wall slot 52 is larger than the radius value R1 of the transmission shaft 81, wherein R3 > R1+ a.
Further ensuring that the second supporting wall slot 52 reserves an operating space for the swinging of the transmission shaft 81 to avoid mechanical interference.
The first direction x is a transverse left-right direction; the second direction y is a vertical up-down direction; the third direction z is a longitudinal front-rear direction.
The width of oscillation a of the pickup roller 1;
the value b of the swing gap of the pickup roller 1;
the value c of the oscillation length of the pickup roller 1;
the swing height d of the pickup roller 1;
the transmission tooth height h, the tooth height of the driving gear in the driving part 9 is larger than h.
The oscillation angle value theta of the pickup roller 1;
wherein the numerical relationship is:
tanθ＝a/d＝a/(c-b)；d＝(c-b)；b＜h。
the stable transmission is ensured after the relative movement between the transmission device 8 at the end of the paper-receiving roller 1 and the driving part 9, and the mechanical interference between the transmission teeth 86 and the driving gear does not occur.
The radius value R1 of the transmission shaft 81;
the radius value R2 of the oil deflector 85;
second support wall slot 52 radius value R3;
wherein the numerical relationship is:
R3＞R1+a，R2＞R3。
when guaranteeing to lean on paper roll 1 to swing along third direction z, lean on not taking place mechanical interference between transmission shaft 81 and the second support wall 5 of paper roll 1 to grease through the oil baffle ring 85 of second support wall 5 both sides and carry out the separation and avoid revealing.
In an embodiment of the present application, the first and second electrodes are,
a driving type paper-receiving roller structure 100 comprises a paper-receiving roller 1, a swinging part, a supporting wall and a positioning column, and the working principle of the paper-drawing roller is disclosed in the prior art patent CN 2843836-paper-drawing roller pneumatic adjusting device, but one paper-drawing roller in the application is of a fixed driving type, and the other paper-drawing roller is of a following type. In order to overcome the paper tearing condition caused by the following structure, a double-drive paper drawing roller structure is arranged.
Among them, there is a paper receiving roll 1 which is an improvement of the prior art draw roll.
A paper receiving roller 1, which is arranged in a columnar shape in a first direction x as a whole and whose column surface is drivingly conveyed along a paper surface; the sheet is drivingly conveyed along the backup roller 1, that is, the two draw rollers are synchronously driven to rotate. With a complete change of the stationary drive, the follow-up friction causes a paper tear situation.
A supporting wall including a first supporting wall 3 and a second supporting wall 5 provided on both sides of the sheet receiving roller 1 for supporting; the left and right sides of the sheet receiving roller 1 are swingably or movably supported along support walls on both sides.
In order to ensure symmetrical swinging effect, two swinging parts are arranged to realize synchronous swinging, wherein,
a swinging portion including a first swinging portion 2 and a second swinging portion 6 which are swingably supported along the first supporting wall 3, the second supporting wall 5, and both sides of the sheet receiving roller 1; that is, the sheet-receiving roller 1 is supported by the first swing portion 2 and the second swing portion 6 on both the left and right sides.
A positioning column, which comprises a first positioning column 4 connected between the first swing part 2 and the first supporting wall 3, and a second positioning column 7 arranged between the second swing part 6 and the second supporting wall 5;
in order to ensure that the two ends of the paper-receiving roller 1 swing synchronously and simultaneously during swinging, two positioning columns are symmetrically arranged on the supporting walls of the two sides of the paper-receiving roller 1 in a left-right mode, and the swinging parts of the two ends of the paper-receiving roller 1 are fully supported.
It is also provided that the transmission 8 and the drive 9 are relatively difficult in design.
The transmission device 8 is arranged to transmit along one end of the paper leaning roller 1, wherein the transmission device 8 integrally extends out of a transmission shaft to ensure the driving effect, and a gear is arranged along the end of the shaft.
The transmission device 8 extends to the second supporting wall 5 along the end part of the paper-receiving roller 1 inserted in the second swinging part 6 to form a driving connection structure;
a driving part 9 which is a driving gear and is meshed with a transmission device 8 extending from the paper-receiving roller 1 to the second supporting wall 5 for rotation; the gear at the end of the transmission device 8 and the driving gear of the driving part 9 are synchronizing wheels, and the gear at the end of the paper drawing roller is also arranged to be synchronous with the driving part 9, so that the paper drawing roller and the paper leaning roller 1 are ensured to synchronously and relatively rotate, further, the paper is conveyed, the paper forms double-sided paper drawing along the paper drawing roller and the paper leaning roller 1, and the situations of single-sided paper drawing, single-sided following friction paper and paper tearing in the prior art are thoroughly changed.
To further overcome this, the actuator 8 is in a state of swinging during driving of the sheet-receiving roller 1, and therefore, a space for supplying its swinging is provided along the second support wall 5.
The second supporting wall 5 is provided with a second supporting wall groove 52 for accommodating the transmission device 8 to swing along the second direction y, and the second supporting wall groove 52 provides a space for the transmission shaft 81 in the transmission device 8 to swing, so as to avoid mechanical interference.
In yet another embodiment of the present application,
lean on paper roll 1 at the in-process that uses, for forming the face contact between a whole roll body of change and the paper, lead to the situation of paper fold, overcome the uneven condition of pressure setting that the point contact leads to again simultaneously, consequently set up a root axis to epaxial a plurality of gyro wheels that set up, guarantee the contact of large tracts of land through a plurality of gyro wheels, press paper evenly and have the clearance between the adjacent gyro wheel, avoided the paper fold again.
The paper receiving roll 1 comprises
A paper feed shaft 11 extending in the first direction x along a long axis between the first swing portion 2 and the second swing portion 6; a shaft body arranged in a first direction x, and swinging is realized by utilizing swinging parts at two ends; along the longitudinal axis, a plurality of paper feed rollers 12 are provided.
The paper feed roller 12 is provided with a plurality of cylindrical rollers along the paper feed shaft 11, and the plurality of cylindrical rollers are in multi-position, multi-surface and multi-point contact.
And the paper pressing wheels 13 are arranged on the paper pressing wheels 12 at two ends of the paper pressing shaft 11, and the edges of the paper at the end of the long shaft are used for pressing the edges of the paper, so that the paper is stably conveyed in the conveying process.
A boss head 14 which forms a cylindrical end inserted into the second swing portion 6 near an end of the paper shaft 11; the diameter of axle sleeve head 14 is less than the diameter of leaning on paper axle 11, and in the installation of axle sleeve head 14, set up position sleeve 83 along axle sleeve head 14 tip, through position sleeve 83 with drive pin 82 location on axle sleeve head 14 and transmission shaft 81, and guarantee that the in-process of wobbling can synchronous drive and follow the swing.
A shaft pin groove 15 recessed inward along the surface of the boss head 14 to have a notched key groove; the end is recessed inwardly to form a keyway for receiving the drive pin 82, which ensures that the drive pin 82 can be inserted between the sleeve head 14 and the drive shaft 81.
In yet another embodiment of the present application,
the paper-pressing wheel 12 comprises a first half paper-pressing wheel 121 and a second half paper-pressing wheel 122 which are in two half-column shapes; two separated semi-columns are arranged and are of symmetrical semi-column structures. The synchronous butt joint installation is conveniently carried out on the paper shaft 11, wherein the diameter of the hollow cylinder inside the paper wheel 12 is the same as that of the paper shaft 11, and the tight contact effect is ensured.
A paper-receiving wheel connecting hole 123 which penetrates inward along the circumferential surface of the paper-receiving wheel 12 and is used for connecting the first half paper-receiving wheel 121 and the second half paper-receiving wheel 122; and bolts are arranged in the paper wheel connecting holes 123 to ensure that the two semi-columnar structures are combined into a whole column.
And a paper receiving wheel side wall hole 124 that penetrates in the first direction x along the side wall of the paper receiving wheel 12.
Similarly, the paper pressing wheel 13 is installed in a similar hollow cylindrical structure to ensure that the paper pressing wheel 12 is in full contact with the paper pressing shaft 11 with the same diameter.
The paper pressing wheel 13 comprises two identical semi-cylindrical structures, wherein the two semi-cylindrical structures comprise a first semi-paper pressing wheel 131 and a second semi-paper pressing wheel 132, the diameter of the paper pressing wheel 13 is slightly larger than that of the paper leaning wheel 12, embossing is arranged for ensuring that the paper pressing wheel protrudes for one circle, and the edge of paper can be fully pressed in use.
The paper pressing wheel positioning grains 133 are annular along the side edge of the paper pressing wheel 13, and are arranged in an annular structure to ensure the rotation effect of the shaft body, so that the rotation pressing position is ensured.
And a platen pin 134 inserted into the platen side wall hole 124 of the side wall of the platen 12 along the side wall of the platen 13. When the platen 13 is provided, the platen 12 assists the fixing of the platen 13 by fixing the plug to the side wall of the platen 12.
The paper pressing wheel 13 is prevented from being provided with the same hole structure as the paper leaning wheel 12 in the circumferential direction, namely, the paper pressing wheel positioning grains 133 are prevented from being irregular due to the similar paper leaning wheel connecting holes 123.
In an embodiment of the present application, the first and second electrodes are,
the first swing part 2 has no driving structure and is supported by the end of the paper shaft 11 to rotate stably.
Wherein the first swing part 2 comprises
The first swing sleeve 21 extends in a block shape along the second direction y from the first positioning column 4; the first swing portion 2 may adopt the same swing structure as in the prior art, or a block structure placed vertically.
Wherein, set up bearing 22 and guarantee to lean on paper shaft 11 end to rotate steadily, bearing 22 cup joints in the inside of first swing cover 21, and the difficult ascending removal in circumference that takes place of cup joint structure can guarantee to lean on paper shaft 11 to rotate steadily.
The lock sleeve 23 is inserted into the bearing 22 along the first direction x, and in order to further ensure that the paper-leaning shaft 11 is supported in the bearing 22 in a rotating manner, the lock sleeve 23 is inserted and arranged along the end of the bearing 22, and the lock sleeve 23 adopts a bolt type structure to ensure that the bolt is connected between the bearing 22 and the end of the paper-leaning shaft 11 to ensure that the bolt does not move in the axial direction or the first direction x.
To further ensure the stability of the lock sleeve 23 and the bearing 22 with the end of the paper shaft 11, an end cap 24 is provided to enclose the above structure therein to ensure sufficient bonding.
Wherein, the end cover 24 is buckled on the side wall of the first swing sleeve 21 along the outer side of the lock sleeve 23; the first swing sleeve 21 is fixedly mounted on the side wall of the first swing sleeve by bolts in a buckling structure.
The first ferrule 25 is sleeved on the first positioning column 4 along the bottom of the first swing sleeve 21; in order to ensure that the bottom of the first swinging sleeve 21 is easily rotated to abut against the end of the first positioning column 4, a first ring 25 with a circular ring structure is arranged to assist the hinging rotation.
A first latch 26 inserted into the first positioning column 4 along an outer side wall of the first collar 25; in order to position the first ferrule 25 and the bottom of the first swing sleeve 21 to be stably sleeved, a first lock pin 26 is fixedly arranged along the outer side and is inserted into the stable connection structure between the first ferrule and the first swing sleeve.
The first pull groove 27 is recessed inwards along the top of the first swing sleeve 21 to form an open groove shape, and the first pull groove 27 is arranged at the bottom of the first swing sleeve 21 at the top of the first swing sleeve 21 and is provided with an easy-to-pull effect.
In yet another embodiment of the present application,
a first support column hole 31 for mounting the first positioning column 4 penetrates through the first support wall 3. The first positioning column 4 is installed along the first support wall 3 with the through hole, i.e., the first support column hole 31, so that the first swing sleeve 21 is guaranteed to swing stably along the first support column hole 31.
The first positioning column 4 and the second positioning column 7 are two column-shaped plugs with the same structure, the two plugs are respectively inserted into the first supporting wall 3 and the second supporting wall 5, and the two plugs are used for positioning the end parts of the first swinging part 2 and the second swinging part 6 to swing.
The wallboard structure of the left and right sides is first supporting wall 3, second supporting wall 5, sets up the stable realization of guaranteeing swing structure through wallboard structure and symmetry, fully guarantees the synchronism, and the higher difficult emergence deviation of precision.
In yet another embodiment of the present application,
a second support column hole 51 for mounting the second positioning column 7 penetrates through the second support wall 5, and the second positioning column 7 is stably mounted through the second support column hole 51.
The second support post hole 51 is a straight line in the first direction x with the first support post hole 31 in the first support wall 3 in a hollow cylindrical shape, and the concentric oscillation of the two is sufficiently ensured.
A second supporting wall slot 52 which penetrates through the second supporting wall 5 along the first direction x to form a hollow slot for accommodating the transmission shaft 81 in the transmission device 8 to swing; the second supporting wall 52 is a hollow cylindrical groove, which is easy to design and manufacture.
And the second support wall oil return hole 53 penetrates through the bottom side of the second support wall groove 52 in the first direction x to form a through hole, so that when the oil blocking ring 85 rotates, grease screwed out by the oil blocking ring 85 can flow back to the driving gear below the transmission teeth 86, and stable lubrication is ensured.
In a further embodiment of the present application, the second swing portion 6 is secured against swing support of the driving end of the paper shaft 11.
Wherein the second swing part 6 comprises
And the second swing sleeve 61 is extended in a block shape along the second direction y by the second positioning column 7, and the left and right sides of the second swing sleeve are through, and a double-ball bearing 62 with larger stress is installed along the inside.
A stable rotation support effect is ensured by the double ball bearing 62, wherein the double ball bearing 62 is sleeved inside the second swing sleeve 61 along the first direction x.
The retaining sleeve 63 is clamped on the side wall of the second swing sleeve 61 along the outer side of the double-ball bearing 62, an annular plate-shaped retaining sleeve 63 is arranged along the joint position of the transmission shaft 81 and the shaft sleeve head 14, and grease is arranged in the retaining sleeve 63 to ensure sufficient lubrication of the double-ball bearing 62.
The end sleeve 64 is ensured to rotate stably in the second swing sleeve 61 along the outer side of the double-ball bearing 62, so that the end sleeve is prevented from escaping in the axial direction or the first direction x, and the end sleeve extends from the side wall of the second swing sleeve 61 in the second direction y to form an annular plate shape.
A second ferrule 65, which is sleeved on the second positioning post 7 along the bottom of the second swing sleeve 61; the formation of the fulcrum along the bottom is the same principle of use as the first ferrule 25.
And a second lock pin 66 inserted into the second positioning column 7 along the outer side wall of the second collar 65, wherein the second positioning column 7, the second collar 65 and the bottom of the second swing sleeve 61 are fixedly hinged into a whole by the second lock pin 66.
The second pull groove 67 is inwards recessed along the top of the second swing sleeve 61 to form an open groove shape, and is respectively provided with a bottom fulcrum and an upper adjusting part to ensure the symmetry and the synchronism of the structure.
In yet another embodiment of the present application,
the transmission device 8 comprises
A transmission shaft 81 which is a shaft body inserted into the second support wall 5; the transmission shaft 81 is a movable or swinging shaft body, and is fixed by a positioning sleeve 83.
The positioning of the drive shaft 81 in the first direction x is ensured by the positioning sleeve 83 against movement in the second direction y.
A driving pin 82 which is butted with the shaft pin groove 15 at the end of the paper-leaning roller 1 along the end of the driving shaft 81; the transmission shaft 81 is mainly used for the connection and transmission of the shaft pin slot 15 in the shaft sleeve head 14.
A positioning sleeve 83 which is sleeved and encircled with the end part of the paper-receiving roller 1 along the end of the transmission shaft 81 to form a ring shape; the sleeve head 14 and the transmission shaft 81 are ensured to be sleeved and positioned on the same axis, and the deviation is avoided.
An oil return sleeve 84 sleeved on the transmission shaft 81 along the first direction x; to prevent the grease from flowing from one side of the second support wall 5 to the other side, the grease is blocked by the grease return sleeve 84 and forms a grease return structure to ensure the backflow of the grease.
The oil baffle rings 85 are arranged on the transmission shafts 81 on two sides of the second supporting wall 5; the annular oil baffle ring 85 is clamped in the first direction x through the positioning sleeve 83, one oil baffle ring is arranged along each of two sides of the second supporting wall 5, and grease flowing out of the transmission side of the second supporting wall 5 is returned by the oil baffle ring 85.
And the transmission teeth 86 are oppositely arranged on the transmission shaft 81 along one side of the positioning sleeve 83, the transmission teeth 86 are arranged on the transmission side of the second supporting wall 5, and the transmission teeth 86 are meshed with the driving gear to ensure stable transmission after swinging.
And the tooth locking bolt 87 is inserted into the transmission shaft 81 along the outer side of the transmission gear 86, and in order to further ensure the installation stability of the transmission gear 86, the tooth locking bolt 87 is fixedly inserted and fixed along the end of the transmission shaft 81, and the tooth locking bolt 87 is of a bolt-shaped structure.
The above description is only an example of the present application, and the names of the components in the present application may be different, and the present application is not limited to the names. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (6)
1. A swing structure of a sheet receiving roller, comprising a sheet receiving shaft (11) in the sheet receiving roller (1), characterized in that: the above-mentioned
A transmission shaft (81) is arranged at the end of the paper shaft (11);
a cylindrical shaft sleeve head (14) extends towards the transmission shaft (81) by the end head of the paper shaft (11);
the surface wall of the shaft sleeve head (14) is inwards sunken with a shaft pin groove (15) extending to the side wall of the transmission shaft (81);
a transmission pin (82) is inserted into the shaft pin groove (15) at the end part of the transmission shaft (81);
a first positioning sleeve (831) is sleeved on the outer side wall of the shaft sleeve head (14) at the outer side of the transmission pin (82) and the transmission shaft (81);
a second supporting wall groove (52) for accommodating the transmission shaft (81) to swing is arranged on the second supporting wall (5) at the outer side of the transmission shaft (81);
the transmission shaft (81) is sleeved with a first positioning sleeve (831) and a second positioning sleeve (832);
a first oil blocking ring (851) is clamped between the first positioning sleeve (831) and the second positioning sleeve (832) and is arranged on the outer side of the second supporting wall groove (52);
and a first oil retaining ring (851) and a second oil retaining ring (852) are respectively arranged along the end heads at the two sides of the second positioning sleeve (832).
2. The oscillating structure of a sheet receiving roller according to claim 1, wherein: the second supporting wall slot (52) has a radius value (R3) greater than the radius value (R1) of the drive shaft (81).
3. The oscillating structure of a sheet receiving roller according to claim 1, wherein: the radius value (R3) of the second supporting wall groove (52) is smaller than the radius value (R2) of the first oil baffle ring (851).
4. The oscillating structure of a sheet receiving roller according to claim 1, wherein: a second supporting wall oil return hole (53) penetrates through the second supporting wall (5) on the lower side of the second supporting wall groove (52), and an oil return sleeve (84) is sleeved on the second supporting wall (5) on the outer side of the second supporting wall oil return hole (53).
5. The oscillating structure of a sheet receiving roller according to claim 1, wherein: a swing width value (a) of the transmission shaft (81) swinging along a third direction (z);
the swinging base point of the transmission shaft (81) is arranged at the center of a second supporting wall groove (52) along the second supporting wall (5), and the distance value from the center of the second supporting wall groove (52) to the center of the transmission shaft (81), namely the swinging length value (c);
a value (theta) of the oscillation angle of the transmission shaft (81);
a swing clearance value (b) of the transmission shaft (81) swinging and descending along the second direction (y);
wherein tan θ = a/(c-b).
6. The oscillating structure of a sheet receiving roller according to claim 5, wherein: the second supporting wall slot (52) has a radius value (R3) greater than the radius value (R1) of the drive shaft (81);
wherein R3 > R1+ a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910030911.1A CN109516250B (en) | 2019-01-14 | 2019-01-14 | Swing structure of paper-leaning roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910030911.1A CN109516250B (en) | 2019-01-14 | 2019-01-14 | Swing structure of paper-leaning roller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109516250A CN109516250A (en) | 2019-03-26 |
| CN109516250B true CN109516250B (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910030911.1A Expired - Fee Related CN109516250B (en) | 2019-01-14 | 2019-01-14 | Swing structure of paper-leaning roller |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2623014B2 (en) * | 1989-12-12 | 1997-06-25 | ビルコン株式会社 | Paper transport device |
| JPH07144767A (en) * | 1993-11-19 | 1995-06-06 | Ricoh Co Ltd | Paper feeder |
| JP2008127118A (en) * | 2006-11-16 | 2008-06-05 | Canon Inc | Sheet feeder and image forming device |
| CN203582058U (en) * | 2013-11-19 | 2014-05-07 | 崴强科技股份有限公司 | Transmission device capable of correcting skew paper of automatic paper feeder |
| CN103588011B (en) * | 2013-11-27 | 2017-02-15 | 湖南汉升机器制造有限公司 | Longitudinal punching knife mechanism used for web folding machine |
| CN204453980U (en) * | 2015-01-16 | 2015-07-08 | 瑞安市中特实业有限公司 | A kind of paper-pressing mechanism |
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2019
- 2019-01-14 CN CN201910030911.1A patent/CN109516250B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN109516250A (en) | 2019-03-26 |
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