CN210709993U

CN210709993U - Paper pushing and aligning device of printing machine

Info

Publication number: CN210709993U
Application number: CN201921401425.8U
Authority: CN
Inventors: 莫海亮
Original assignee: Zhejiang Hualong Mechanical Share Co ltd
Current assignee: Zhejiang Hualong Mechanical Share Co ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-06-09
Anticipated expiration: 2029-08-27

Abstract

The utility model relates to a neat paper device of printing machine paper that pushes away, including frame, preceding neat cardboard, the neat cardboard in back and the neat cardboard of two sides. Each side aligning paperboard comprises a central fixed plate and two side expansion plates which are respectively positioned at two sides of the central fixed plate; the end surface of the central fixed plate facing outwards is provided with a central fixed seat, the end surfaces of the expansion plates at two sides facing outwards are correspondingly provided with expansion sliding seats, a fixed rotatable adjusting shaft penetrates through the central fixed seat along the front-back direction, the two ends of the adjusting shaft are respectively provided with a first thread section and a second thread section which have the same thread pitch and opposite spiral, the first thread section and the second thread section respectively penetrate through the expansion sliding seats correspondingly and are connected with the expansion sliding seats in a sliding fit manner, and the adjusting shaft is also connected with a driving motor; therefore, the two side expansion plates can slide back and forth relative to the central fixed plate. The structure can adjust the side paper aligning plates according to the extension of the paper pile breadth, so that the stress surfaces of the side paper aligning plates are distributed to two sides of the side edge of the paper pile, and the pushing process is not easy to be inclined.

Description

Paper pushing and aligning device of printing machine

Technical Field

The utility model relates to a lithography apparatus technical field especially relates to a neat paper device of printing machine paper that pushes away.

Background

In the working process of the sheet-fed printing and packaging machine, the delivery paper stack is continuously increased, and the paper alignment is required to be adjusted at any time, so that each falling sheet of paper is very orderly fallen on the delivery paper stack, and the continuously increased paper stack is always very orderly, so that the paper stack is smoothly transferred to the next procedure. In the traditional paper pushing and aligning device, the front aligning board is fixed, the rear aligning board slides along the front and rear directions, the two side aligning boards slide along the left and right directions, and the size of the breadth of the paper surface is limited and the paper surface is aligned in four directions. For paper with a large breadth, the length of the side aligning plate is limited, the contact surface of the side aligning plate and the paper is limited, the stress surface is usually concentrated at the middle position of the side edge of the paper pile, and both sides are prone to being inclined in the pushing process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome above-mentioned problem, and provided a push away neat paper device of paper of printing machine of paper stress surface adjustable, be applicable to the paper of different breadths, it is better to push away the neat paper effect of paper.

The technical scheme of the utility model is that:

the utility model relates to a paper pushing and aligning device of a printing machine, which comprises a frame, a front aligning paper board, a rear aligning paper board and two side aligning paper boards, wherein the front aligning paper board is fixed at the front end of the frame, the rear end of the frame is connected with the rear aligning paper board which can slide back and forth through a guide rail, and the two side aligning paper boards are arranged in the frame in a left-right opposite way and are respectively connected with a sliding driving mechanism for driving the two side aligning paper boards to slide left and right; the method is characterized in that: each side aligning paperboard comprises a central fixed plate fixedly connected with the sliding driving mechanism and two side expansion plates respectively positioned at two sides of the central fixed plate; the end face, facing outwards, of the central fixing plate is provided with a central fixing seat, the end faces, facing outwards, of the two side expansion plates are respectively and correspondingly provided with an expansion sliding seat, a fixed and rotatable adjusting shaft penetrates through the central fixing seat along the front-back direction, the two ends of the adjusting shaft are respectively provided with a first thread section and a second thread section, the thread sections are the same in thread pitch and opposite in thread pitch, the first thread section penetrates through one expansion sliding seat and is connected with the expansion sliding seat in a sliding fit mode, the second thread section penetrates through the other expansion sliding seat and is connected with the expansion sliding seat in a sliding fit mode, and the adjusting shaft is further connected with; therefore, the two side expansion plates can slide back and forth relative to the central fixed plate.

With the help of this structure, the utility model discloses the accessible regulating spindle is rotatory to make two side expansion plates along fore-and-aft direction or opposite movement in opposite directions, makes the interval of two side expansion plates and central fixed plate to change from this, and the length of the neat cardboard of whole side changes in order to adapt to not unidimensional paper, and the thrust working face not only acts on the intermediate position of paper pile side through central fixed block, still distributes to the both sides of paper pile side through two side expansion plates.

Further, printing machine push away paper neat paper device in, central fixed plate, two inboard terminal surfaces of side expansion plate all flush.

Further, in the paper pushing and aligning device of the printing machine, the sliding driving mechanism adopts a cylinder.

Further, printing machine push away paper neat paper device in, the tip of regulating spindle still is equipped with the anticreep boss, the cross sectional dimension of anticreep boss is greater than the cross sectional dimension of regulating spindle, prevents that flexible seat from breaking away from the regulating spindle that slides.

Further, printing machine push away paper neat paper device in, center fixing base and two flexible seats of sliding are equipped with a set of grating chi subassembly that is used for measuring the distance of sliding between the seat respectively, grating chi subassembly and driving motor electric connection. The sliding distance can be fed back in real time through the grating ruler assembly, and the purpose of accurately controlling the driving motor is achieved.

Further, printing machine push away paper neat paper device in, it is connected to slide around still through the guide rail between neat cardboard of side and the frame, the actuating mechanism that slides around still being connected with on the neat cardboard of side. The position of the side aligning paper board can be adjusted forwards and backwards to adapt to paper with different breadth, so that the side air paper board is aligned with the paper in the middle, and the central fixing plate is enabled to act on the central part of the side edge of the paper.

The utility model has the advantages that: the utility model discloses can change its stress surface according to the neat cardboard length of paper pile breadth size adjustment side, make its working face not only distribute at paper pile side center, more be used in both sides position, thrust is more balanced, is pushing away the neat paper in-process of paper and is difficult for crooked.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings:

referring to fig. 1, the paper pushing and aligning device of the printing machine in the embodiment includes a frame 1, a front aligning paper board 2, a rear aligning paper board 3 and two side aligning paper boards, wherein the front aligning paper board is fixed at the front end of the frame 1, the rear end of the frame 1 is connected with the rear aligning paper board 3 capable of sliding back and forth through a guide rail 4, and the two side aligning paper boards are installed in the frame 1 and arranged in a left-right opposite manner and are respectively connected with a left-right sliding driving mechanism 5; the left-right sliding driving mechanism 5 adopts a cylinder. The side paper aligning plates are connected with the rack 1 in a front-back sliding mode through guide rails 4, and a front-back sliding driving mechanism (not shown in the drawing) is connected to the side paper aligning plates 4.

Each side aligning paperboard comprises a central fixing plate 6 fixedly connected with the left-right sliding driving mechanism 5 and two side expansion plates 7 respectively positioned at two sides of the central fixing plate 6; the inward end surfaces of the central fixing plate 6 and the two side expansion plates 7 are flush. A central fixed seat 8 is arranged on the outward end face of the central fixed plate 6, telescopic sliding seats 9 are correspondingly arranged on the outward end faces of the two side telescopic plates 7 respectively, a fixed rotatable adjusting shaft 10 penetrates through the central fixed seat 8 along the front-back direction, a first thread section and a second thread section which have the same thread pitch and are opposite in spiral are arranged at two ends of the adjusting shaft 10 respectively, the first thread section penetrates through one telescopic sliding seat 9 and is connected with the other telescopic sliding seat in a sliding fit manner, the second thread section penetrates through the other telescopic sliding seat 9 and is connected with the other telescopic sliding seat in a sliding fit manner, and one end of the adjusting shaft 10 is further connected with a driving motor 11; whereby the two side expansion plates 7 can slide back and forth relative to the central fixed plate 6. In order to prevent excessive sliding, the end part of the adjusting shaft 10 is also provided with an anti-falling boss 12, the cross section size of the anti-falling boss 12 is larger than that of the adjusting shaft 10, and the telescopic sliding seat 9 is prevented from being unscrewed from the end part of the adjusting shaft 10 to be separated. Simultaneously for accurate control distance of sliding, be equipped with a set of grating chi subassembly (not drawn in the picture) that is used for measuring distance of sliding between central fixing base 8 and two flexible seats 9 of sliding respectively, grating chi subassembly and driving motor 11 electric connection.

The working principle of the structure is as follows: when the paper aligning device is used for large-format paper, the front paper aligning plate 2 is used as a fixed side and is blocked at the front side of the paper stack, and the rear paper aligning plate 3 slides forwards and is attached to the rear side of the paper stack to realize the forward and backward positioning; when left-right positioning is carried out, the front-back sliding driving mechanism drives the side paper aligning plate and the left-right sliding driving mechanism 5 to synchronously move along the guide rail 4 and adjust the front-back position, the middle part of the side paper aligning plate is basically aligned with the middle part of paper, the driving motor 11 controls and drives the adjusting shaft 10 to rotate, so that the first thread section and the second thread section respectively rotate synchronously in the two telescopic sliding seats 9, the two telescopic sliding seats 9 are driven to gradually move reversely by the thread fit relationship to be far away from the central fixed seat 8, the two side telescopic plates 7 move outwards relative to the central fixed plate 6, the length range of the whole side paper aligning plate is enlarged, the left and right sliding driving mechanisms 5 relatively push the side paper aligning plates, the central fixing plate 6 is in contact with the center of the side edge of the paper stack, and the two side expansion plates 7 are in contact with the two ends of the side edge of the paper stack, so that the paper stack is guaranteed to be stressed stably and is not prone to deflection.

The specific embodiments described herein are merely illustrative of the principles of the present invention and its efficacy, and are not intended to limit the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Therefore, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical idea of the present invention shall be covered by the claims of the present invention.

Claims

1. A paper pushing and aligning device of a printing machine comprises a rack, a front aligning paper board, a rear aligning paper board and two side aligning paper boards, wherein the front aligning paper board is fixed at the front end of the rack, the rear end of the rack is connected with the rear aligning paper board capable of sliding forwards and backwards through a guide rail, and the two side aligning paper boards are arranged in the rack in a left-right opposite mode and are respectively connected with a left-right sliding driving mechanism; the method is characterized in that: each side aligning paperboard comprises a central fixed plate fixedly connected with the left-right sliding driving mechanism and two side expansion plates respectively positioned at two sides of the central fixed plate; the end face, facing outwards, of the central fixing plate is provided with a central fixing seat, the end faces, facing outwards, of the two side expansion plates are respectively and correspondingly provided with an expansion sliding seat, a fixed and rotatable adjusting shaft penetrates through the central fixing seat along the front-back direction, the two ends of the adjusting shaft are respectively provided with a first thread section and a second thread section, the thread sections are the same in thread pitch and opposite in thread pitch, the first thread section penetrates through one expansion sliding seat and is connected with the expansion sliding seat in a sliding fit mode, the second thread section penetrates through the other expansion sliding seat and is connected with the expansion sliding seat in a sliding fit mode, and the adjusting shaft is further connected with; therefore, the two side expansion plates can slide back and forth relative to the central fixed plate.

2. The paper pushing and aligning device of a printing machine according to claim 1, wherein: the inward end faces of the central fixing plate and the two side expansion plates are flush.

3. The paper pushing and aligning device of a printing machine according to claim 1, wherein: the left-right sliding driving mechanism adopts a cylinder.

4. The paper pushing and aligning device of a printing machine according to claim 1, wherein: the tip of regulating spindle still is equipped with the anticreep boss, the cross sectional dimension of anticreep boss is greater than the cross sectional dimension of regulating spindle.

5. The paper pushing and aligning device of a printing machine according to claim 1, wherein: a set of grating ruler components used for measuring the sliding distance is arranged between the central fixed seat and the two telescopic sliding seats respectively, and the grating ruler components are electrically connected with the driving motor.

6. The paper pushing and aligning device of a printing machine according to claim 1, wherein: the side paper aligning plate is connected with the rack in a front-back sliding mode through a guide rail, and the side paper aligning plate is further connected with a front-back sliding driving mechanism.