CN211310257U

CN211310257U - Paper rolling device of printing machine

Info

Publication number: CN211310257U
Application number: CN201920865892.XU
Authority: CN
Inventors: 不公告发明人
Original assignee: Nanjing Special Printing Co ltd
Current assignee: Nanjing Special Printing Co ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-08-21
Anticipated expiration: 2029-06-11

Abstract

The utility model relates to a lithography apparatus field specifically is a printing machine stock form device, which comprises a motor, the grudging post, the conveyer belt, the rotary drum that cup joints in pivot and the pivot, the output shaft of motor passes through the conveyer belt and connects the pivot, the pivot comprises semi-axis one and semi-axis cover grafting, the rotary drum is by sleeve one coaxial to closing connecting sleeve two, semi-axis one is gone up and is rotated connecting sleeve one through the bearing dead axle, the connecting sleeve two is rotated through the bearing dead axle on the semi-axis two, all be provided with a plurality of tight mechanisms in top that are used for pushing up tight refill section of thick bamboo on the circumference lateral wall on sleeve one and the sleeve two, semi-axis one and semi-axis two go up all be provided with the latched device that corresponds the tight mechanism in top on the sleeve and. This kind of printing machine stock form device for the stable fixing of refill section of thick bamboo can not appear the central skew on the rotary drum, reduces the vibration that the refill section of thick bamboo during operation appears, improve equipment job stabilization nature and life.

Description

Paper rolling device of printing machine

Technical Field

The utility model relates to a lithography apparatus field specifically is a printing machine stock form device.

Background

The mechanism that is used for the stock form among the existing lithography apparatus is the paper winding roll usually, cup joints the refill section of thick bamboo on the paper winding roll, and the output shaft drives the paper winding roll and rotates to rolling or carrying the paper, but because refill section of thick bamboo easily causes the central skew when overlapping on the paper winding roll, increase the vibration at the rotation in-process, reduce equipment life, the practicality is poor, in view of this, we provide a printing machine stock form device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a printing machine stock form device to solve the problem that proposes among the above-mentioned background art. In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a printing machine stock form device, which comprises a motor, the grudging post, the conveyer belt, the rotary drum that cup joints in pivot and the pivot, the output shaft of motor passes through the conveyer belt and connects the pivot, the pivot comprises semi-axis one and semi-axis cup joint, the rotary drum is by sleeve one coaxial to closing connecting sleeve two, through bearing dead axle rotation connecting sleeve one on the semi-axis one, through bearing dead axle rotation connecting sleeve two on the semi-axis two, all be provided with a plurality of tight mechanisms in top that are used for pushing up a tight refill section of thick bamboo on the circumference lateral wall on sleeve one and the sleeve two, all be provided with the latched device that corresponds with the tight mechanism in top that corresponds on the sleeve on semi-axis one and the semi-axis two.

Preferably, one end of the half shaft is fixedly connected with the conveyor belt, the other end of the half shaft is coaxially and fixedly connected with one end of the polygonal rod, and the other end of the polygonal rod is coaxially and fixedly connected with the screw rod.

Preferably, the second half shaft is of a hollow structure, one end of the second half shaft is provided with an inserting groove corresponding to the multi-edge rod, and the center of the second half shaft is inserted into the screw rod.

Preferably, the inner diameters of the first sleeve and the second sleeve are the same, the wall thickness of the first sleeve and the second sleeve are the same, the end face, deviating from the first sleeve, of the second sleeve is rotatably connected with the pressing plate through the turntable bearing fixed shaft, and the center of the pressing plate penetrates through the screw rod and is fixed on the screw rod through the nut.

Preferably, the end parts of the first sleeve and the second sleeve, which are deviated from each other, are respectively fixed with an annular extension plate, the extension plates are used for compressing the paper core cylinder sleeved on the rotary cylinder, the connecting ends of the first sleeve and the second sleeve are mutually inserted and connected, and the connecting parts are uniformly provided with ribs and slots which are matched with each other along the axial direction.

Preferably, the tight mechanism in top is provided with and is no less than three and follow equidistant distribution of circumferencial direction, use the tight mechanism in top on the sleeve one as the example, the tight mechanism in top is including seting up the ladder logical groove on a sleeve inner wall, and the port internal diameter that the directional centre of a circle of ladder logical groove is great, the great internal diameter section sliding connection of ladder logical groove has the wedge post, and the directional centre of a circle of wedge face on the wedge post, the less internal diameter section sliding plug of ladder logical groove has the pin rod, the pin rod is located the outside of sleeve one and end department is fixed with the roof, and the side that the roof deviates from the epitaxial plate is fixed with oblique baffle, pass through spring two connections between the ladder face that groove was led.

Preferably, the locking mechanism comprises a connecting rod and a steel ball, one end of the connecting rod is rotatably connected with the steel ball through a pin shaft fixed shaft, the end, connected with the steel ball, of the connecting rod is connected with the side wall of the first half shaft through a first spring, and the other end of the connecting rod is hinged to the side wall of the first half shaft through a pin shaft.

Preferably, the locking mechanism further comprises a clamping shell with a stepped through groove at the opening end on the inner side wall of the sleeve, the clamping shell is clamped with the steel ball, and the clamping shell and the opening end of the steel ball clamp are arranged along the same clockwise direction.

Compared with the prior art, the beneficial effects of the utility model are that: through pegging graft the refill section of thick bamboo on sleeve one and with in the two plug-in refill sections of thick bamboo of sleeve, it is spacing to utilize epitaxial plate and clamp plate to compress tightly the both ends of refill, push up tight mechanism simultaneously and extrude in advance through two pairs of refill section of thick bamboo inner walls of spring, the motor drives the pivot and rotates, the rotation of pivot utilizes centrifugal force to make the steel ball get rid of to the card shell and drive rotary drum synchronous motion, the steel ball applys bigger extrusion force to the refill section of thick bamboo through extrusion wedge post in blocking the shell, thereby make the stable fixing of refill section of thick bamboo on the rotary drum, the central skew can not appear, reduce the vibration that the refill section of thick bamboo during operation appears, the stability and the life of improve equipment work.

Drawings

FIG. 1 is a schematic sectional view of the assembly structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure A-A of FIG. 1;

FIG. 3 is a schematic view of a cross-sectional structure B-B in FIG. 1;

fig. 4 is an enlarged schematic view of the structure at C in fig. 1.

In the figure: 1-a motor; 2-erecting a frame; 3-a conveyor belt; 4, sleeving a first sleeve; 5-half shaft one; 6-half shaft two; 7-sleeve II; 8-screw rod; 9-polygonal rods; 10-pressing a plate; 11-a first spring; 12-steel balls; 13-a wedge-shaped column; 14-a step through groove; 15-pin bar; 16-spring two; 17-a card housing; 18-a connecting rod; 19-top plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a printing machine stock form device includes motor 1, grudging post 2, conveyer belt 3, the rotary drum that cup joints in pivot and the pivot, the output shaft of motor 1 passes through conveyer belt 3 and connects the pivot, the pivot is cup jointed by semi-axis one 5 and semi-axis two 6 and forms, the rotary drum is by sleeve one 4 coaxial involution connecting sleeve two 7, rotate connecting sleeve one 4 through the bearing dead axle on the semi-axis one 5, rotate connecting sleeve two 7 through the bearing dead axle on the semi-axis two 6, all be provided with a plurality of tight mechanisms in top that are used for pushing up tight refill section of thick bamboo on the circumference lateral wall on sleeve one 4 and the sleeve two 7, all be provided with the latched device that corresponds with the tight mechanism in top on the corresponding sleeve on semi-axis one 5 and the semi-axis two 6, the.

In the embodiment, one end of the half shaft I5 is fixedly connected with the conveyor belt 3, the other end of the half shaft I is coaxially and fixedly connected with one end of the multi-edge rod 9, the other end of the multi-edge rod 9 is coaxially and fixedly connected with the screw rod 8, the half shaft II 6 is of a hollow structure, and one end of the second half shaft 6 is provided with an inserting groove corresponding to the polygonal rod 9, the center of the second half shaft 6 is inserted on the screw rod 8, the first sleeve 4 and the second sleeve 7 have the same inner diameter and the same wall thickness, the end surface of the second sleeve 7 departing from the first sleeve 4 is rotatably connected with a pressing plate 10 through a turntable bearing fixed shaft, the center of the pressing plate 10 is sleeved on the screw rod 8 in a penetrating way, and is fixed on the screw rod 8 through a nut, the end parts of the first sleeve 4 and the second sleeve 7 which are opposite are fixed with annular extension plates, and the extension board is used for compressing tightly the refill section of thick bamboo of cup jointing on the rotary drum, and the mutual plug bush of link of sleeve 4 and sleeve two 7 is connected, and the junction equipartition has the rib and the slot of mutually supporting along the axis direction.

In this embodiment, the tight mechanism in top is provided with and is no less than three and follow equidistant distribution of circumferencial direction, take the tight mechanism in top on sleeve 4 as an example, the tight mechanism in top is including seting up the ladder that leads to groove 14 on sleeve 4 inner wall, and the ladder leads to the directional port internal diameter of groove 14 centre of a circle great, the ladder leads to the great internal diameter section sliding connection of groove 14 and has wedge post 13, and the directional centre of a circle of wedge face on the wedge post 13, the ladder leads to the less internal diameter section sliding plug of groove 14 and has pin rod 15, pin rod 15 is located sleeve 4's the outside and end department and is fixed with roof 19, and the side that roof 19 deviates from the epitaxial wafer is fixed with oblique baffle, lead to be connected through two 16 springs between the ladder face that groove 14 is.

In this embodiment, the locking mechanism includes a connecting rod 18 and a steel ball 12 rotatably connected to one end of the connecting rod 18 through a pin shaft, the end of the connecting rod 18 connected to the steel ball 12 is connected to the side wall of the first half shaft 5 through a first spring 11, the other end of the connecting rod 18 is hinged to the side wall of the first half shaft 5 through a pin shaft, the locking mechanism further includes a clamping shell 17 having an opening end of the stepped through groove 14 on the inner side wall of the first sleeve 4, the clamping shell 17 is clamped to the steel ball 12, and the clamping shell 17 and the opening end of the steel ball 12 are arranged in the same clockwise direction.

The utility model discloses a theory of operation and advantage: when paper feeding or winding operation of the paper core cylinder is performed, the following operations are performed:

the method comprises the following steps: inserting the paper core cylinder on the first sleeve 4 in an inserting mode, pushing the paper core cylinder leftwards along the trend of the first half shaft 5, enabling the left end opening of the paper core cylinder to be in contact with an inclined guide plate on a top plate 19, under the action of the inclined guide plate, enabling a part of axial thrust to be divided into radial thrust, enabling a pin rod 15 to push a wedge-shaped column 13 to move towards the inside of the first sleeve 4, simultaneously stretching a second spring 16, enabling the second spring 16 to obtain a reaction force, and enabling the left end of the paper core cylinder to be in contact with an extending plate on the first sleeve 4 along with the pushing of the paper core cylinder;

step two: inserting the sleeve II 7 into the paper core tube from the right port of the paper core tube, inserting the screw 8 into the half shaft II 6, and when the right port of the paper core tube contacts the top plate 19 on the sleeve II 7, the movement process of the jacking mechanism on the sleeve II 7 is as described in the step I until the extension plate on the sleeve II 7 is attached to the right port of the paper core tube;

step three: as shown in fig. 3, the first sleeve 4 is connected with the second sleeve 7 in an inserting manner, the polygonal rod 9 is correspondingly connected with the inserting groove on the second half shaft 6, the pressing plate 8 is screwed tightly through the nut, the installation of the paper core cylinder is completed, and the paper core cylinder is pre-pressed by the reaction force obtained by the second spring 16 in the jacking mechanism in the process;

step four: starting the motor 1, driving a first half shaft 5 to rotate by the motor 1 through the conveyor belt 3, driving a second half shaft 6 to synchronously rotate by the first half shaft 5 through a polygonal rod 9, and enabling the speed of a rotating shaft to be greater than that of a rotating drum under the action of inertia force;

step five: as shown in FIG. 2, the rotating shaft has a high speed, the steel ball 12 obtains a large centrifugal force effect, and overcomes the resistance effect of the first spring 11 to stretch the first spring 11, the first spring 11 obtains a reaction force and extends at the same time, the steel ball 12 approaches to the clamping shell 17 until the steel ball is connected with the clamping shell 17 in a clamping manner, and the rotating shaft drives the rotating drum to synchronously rotate through the connecting rod 18;

step six: the steel ball 12 extrudes the wedge-shaped column 13 in the clamping shell 17, so that the wedge-shaped column 13 is stressed to move in the direction away from the center of the circle, and larger extrusion force is applied to the paper core barrel through the pin rod 15 and the top plate 19, so that the paper core barrel is stably fixed on the rotary drum, the locking mechanism drives the rotary drum to rotate and simultaneously provides stable extrusion force to the paper core barrel, and due to the fact that the plurality of jacking mechanisms are uniformly distributed on the rotary drum, center deviation between the paper core barrel and the rotary drum cannot occur, vibration of the paper core barrel during working is reduced, and working stability and service life of equipment are improved;

step seven: after the work of the paper core barrel is finished, the motor 1 is stopped, the rotating shaft is not driven by a power source at the moment, the rotating is stopped, the stopping speed of the rotating drum is larger than that of the rotating shaft due to the fact that the inertia force of the rotating drum is large, the steel ball 12 is separated from the clamping shell 17 under the action of the reaction force of the first spring 11 and the inertia force of the rotating drum at the moment, a lock catch of the abutting mechanism is released, the situation that the extrusion force of the top plate 19 on the paper core barrel is too large and the paper core barrel is inconvenient to take down is avoided, after the rotating drum stops rotating, the nut is screwed down, the second sleeve 7 is taken down from the screw 8, then the paper core barrel is taken down, and at the moment that the paper core barrel is separated from the top plate 19, the second spring 16 enables the top.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the preferred embodiments of the present invention are only described in the above embodiments and the description, and are not intended to limit the present invention, and that there are various changes and modifications that fall within the scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a printing machine stock form device, includes the rotary drum that cup joints in motor (1), grudging post (2), conveyer belt (3), pivot and the pivot, the pivot is connected through conveyer belt (3) to the output shaft of motor (1), its characterized in that: the rotary shaft is formed by sleeving a first half shaft (5) and a second half shaft (6), the rotary drum is coaxially connected with a second connecting sleeve (7) in a pair mode through a first sleeve (4), the first connecting sleeve (4) is rotated on the first half shaft (5) through a bearing fixed shaft, the second connecting sleeve (7) is rotated on the second half shaft (6) through the bearing fixed shaft, a plurality of jacking mechanisms used for jacking the paper core barrel are arranged on the circumferential side walls of the first sleeve (4) and the second sleeve (7), locking mechanisms corresponding to the jacking mechanisms on the corresponding sleeves are arranged on the first half shaft (5) and the second half shaft (6), and the rotary drum is driven to rotate by the rotary shaft through the locking mechanisms.

2. A printing press reel-up according to claim 1, characterised in that: semi-axis (5) one end and conveyer belt (3) fixed connection, the coaxial fixed connection of the other end the one end of many arriss pole (9), the coaxial fixed connection screw rod (8) of the other end of many arriss pole (9).

3. A printing press reel-up according to claim 2, characterised in that: the second half shaft (6) is of a hollow structure, one end of the second half shaft (6) is provided with a plug-in groove corresponding to the multi-edge rod (9), and the center of the second half shaft (6) is plugged in the screw rod (8).

4. A printer reel-up according to claim 3, characterised in that: the inner diameters of the first sleeve (4) and the second sleeve (7) are the same, the wall thickness of the first sleeve (4) and the second sleeve (7) are the same, the end face, deviating from the first sleeve (4), of the second sleeve (7) is rotatably connected with the pressing plate (10) through the turntable bearing fixed shaft, and the center of the pressing plate (10) is sleeved on the screw rod (8) in a penetrating mode and is fixed on the screw rod (8) through the nut.

5. A printer reel-up according to claim 4, characterised in that: the end parts of the first sleeve (4) and the second sleeve (7) which deviate from each other are fixedly provided with annular extension plates which are used for tightly pressing the paper core cylinder sleeved on the rotary cylinder, the connecting ends of the first sleeve (4) and the second sleeve (7) are mutually inserted and connected in a sleeved mode, and the connecting parts are evenly provided with ribs and slots which are matched with each other along the axis direction.

6. A printing press reel-up according to claim 1, characterised in that: the tight mechanism in top is provided with and is no less than three and follow equidistant distribution of circumferencial direction to the tight mechanism in top on sleeve (4) is for the example, tight mechanism in top is including seting up ladder logical groove (14) on sleeve (4) inner wall, and the ladder leads to the port internal diameter of groove (14) directional centre of a circle great, the ladder leads to the groove (14) great inside diameter section sliding connection has wedge post (13), and the directional centre of a circle of wedge face on wedge post (13), the ladder leads to the groove (14) less inside diameter section sliding plug and has pin rod (15), outside and end department that pin rod (15) are located sleeve (4) are fixed with roof (19), and roof (19) deviate from the side of epitaxial wafer and be fixed with oblique baffle, be connected through spring two (16) between the ladder face that groove (14) was led to wedge post (13) and ladder.

7. A printer reel-up according to claim 6, characterised in that: the locking mechanism comprises a connecting rod (18) and a steel ball (12) rotatably connected with one end of the connecting rod (18) through a pin shaft fixed shaft, one end of the connecting rod (18) connected with the steel ball (12) is connected with the side wall of the first half shaft (5) through a first spring (11), and the other end of the connecting rod (18) is hinged to the side wall of the first half shaft (5) through a pin shaft.

8. The printer reel-up of claim 7, wherein: latching mechanism still includes card shell (17) of ladder logical groove (14) open end on sleeve (4) inside wall, card shell (17) and steel ball (12) joint, the open end of card shell (17) and steel ball (12) buckle is arranged along same hour hand direction.