CN216583353U

CN216583353U - Automatic deviation rectifying mechanism for paper conveying belt

Info

Publication number: CN216583353U
Application number: CN202123241313.0U
Authority: CN
Inventors: 汤群莉; 吴亚东; 郭超
Original assignee: Zhejiang Tongye Printing Machinery Co ltd
Current assignee: Zhejiang Tongye Printing Machinery Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-05-24
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses an automatic deviation rectifying mechanism for a paper conveying belt, which relates to the technical field of printing machinery and comprises a first paper feeding roller and a second paper feeding roller which are arranged in parallel, wherein the first paper feeding roller and the second paper feeding roller are both rotationally connected to a first support, the first support is connected with a first tensioning roller and a second tensioning roller, two sides of the end part of the first support are provided with first sensors for detecting the position of the paper conveying belt, the second tensioning roller is provided with a shaft, one end of the shaft is fixed, the other end of the shaft is movably connected with a power mechanism, the power mechanism is connected with a control mechanism, and the control mechanism is electrically connected with the first sensors. Has the following beneficial effects: the utility model can timely and accurately adjust the deviation of the paper conveying belt; furthermore, a PLC controller is arranged, so that the adjustment of the off-tracking paper conveying belt is more accurate; furthermore, the second tension roller is prevented from being over-angularly deflected to cause deformation of the paper conveying belt and breakage of the paper.

Description

Automatic deviation rectifying mechanism for paper conveying belt

Technical Field

The utility model relates to the technical field of printing machinery, in particular to an automatic deviation rectifying mechanism of a paper conveying belt.

Background

In the processing processes related to paper production, printing and the like, paper conveying is realized by driving a paper conveying line by a paper conveying roller shaft, each machine is provided with 6-12 conveying belts according to the size of the machine, and the paper conveying stability can be ensured only if the conveying belts run stably, have uniform speed, approach tension and do not deviate. The existing deviation correcting mechanism is arranged on a bracket through two ends of a tension roller, manual deviation correction is carried out on a paper conveying belt, and adjustment can not be carried out timely and accurately in the actual operation. And the paper has the characteristic of easy damage, and the paper can be damaged by too large external force, so the paper is easy to tear when the deviation is corrected.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The utility model provides an automatic deviation rectifying mechanism of a paper conveying belt, which can timely and accurately regulate the deviation of the paper conveying belt, aiming at the technical problem that the existing deviation rectifying mechanism can not timely and accurately regulate.

2. Technical scheme

In order to solve the problems, the technical scheme provided by the utility model is as follows:

defeated paper tape automatic deviation rectification mechanism, first paper feed roller, second paper feed roller including parallel arrangement, first paper feed roller with the second paper feed roller all rotates to be connected in first support, be connected with first tensioning roller and second tensioning roller on the first support, the both sides of the tip of first support are equipped with the first sensor that is used for detecting defeated paper tape position, second tensioning roller is equipped with the axle, the one end of axle is fixed, and other end swing joint has power unit, power unit is connected with control mechanism, control mechanism with the first sensor electricity is connected.

Optionally, the first support rigid coupling has second support and fourth support, first tensioning roller rotates to be connected in the tip of second support, second tensioning roller rotates to be connected in the fourth support, the second support with the fourth support all extends in the perpendicular to the length direction of first support has one section volume.

Optionally, a second sensor for limiting the second tension roller is connected to the fourth support, and the second sensor is electrically connected to the control mechanism.

Optionally, the fourth support is an L-shaped structure, the second tension roller is connected to the vertical section of the fourth support, the second sensor is located at an end of the horizontal section of the fourth support, and the second sensor is aligned with the movable end of the second tension roller.

Optionally, the motion direction of the power mechanism is perpendicular to the length direction of the first support.

Optionally, the power mechanism is connected to the first bracket through a third bracket.

Optionally, the control mechanism comprises a PLC controller and an electromagnetic valve, the power mechanism is an air cylinder, and the electromagnetic valve is connected with the air cylinder.

Optionally, the number of the first sensors is at least one pair, and the first sensors are respectively located on two sides of the first bracket.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

according to the technical scheme provided by the utility model, the second tensioning roller is controlled by the controller and the first sensor, the height of one end of the second tensioning roller can be adjusted up and down while the second tensioning roller is used for opening the paper conveying belt, so that the angle of the second tensioning roller is adjusted, and the deviation of the paper conveying belt can be timely and accurately adjusted; furthermore, a PLC controller is arranged, so that the adjustment of the off-tracking paper conveying belt is more accurate; furthermore, a second sensor used for limiting the second tensioning roller is arranged, so that the paper conveying belt is prevented from being deformed and the paper is prevented from being damaged due to the fact that the second tensioning roller is excessively deviated in angle.

Drawings

Fig. 1 is a side view of an automatic deviation rectifying mechanism of a paper feeding belt according to an embodiment of the present invention.

Fig. 2 is a front view of an automatic deviation rectifying mechanism of a paper feeding belt according to an embodiment of the present invention.

1. A first paper feeding roller; 2. a second paper feeding roller; 3. a first tension roller; 4. a second tension roller; 5. a first sensor; 6. a first bracket; 7. a second bracket; 8. a third support; 9. a fourth bracket; 10. a second sensor; 11. a tape; 12. a centrifugal fan; 13. a power mechanism; 14. and a control mechanism.

Detailed Description

For a further understanding of the present invention, reference will now be made in detail to the embodiments illustrated in the drawings.

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. The terms first, second, and the like in the present invention are provided for convenience of describing the technical solution of the present invention, and have no specific limiting effect, but are all generic terms, and do not limit the technical solution of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The technical solutions in the same embodiment and the technical solutions in different embodiments can be arranged and combined to form a new technical solution without contradiction or conflict, and the technical solutions are within the scope of the present invention.

Examples

Combine attached figure 1-2, defeated paper area automatic deviation rectification mechanism, first paper feed roller 1, second paper feed roller 2 including parallel arrangement, first paper feed roller 1 with second paper feed roller 2 all rotates to be connected in first support 6, be connected with first tensioning roller 3 and second tensioning roller 4 on the first support 6, the both sides of the tip of first support 6 are equipped with the first sensor 5 that is used for detecting defeated paper area position, second tensioning roller 4 is equipped with the axle, the one end of axle is fixed, and other end swing joint has power unit 13, power unit 13 is connected with control mechanism 14, control mechanism 14 with the 5 electricity of first sensor are connected.

The first paper feeding roller 1 and the second paper feeding roller 2 are structures for supporting the paper conveying belt, and a driving mechanism, such as a motor, is connected to the first paper feeding roller 1 and/or the second paper feeding roller 2 to provide power for the operation of the paper conveying belt. The first tensioning roller 3 and the second tensioning roller 4 are used for spreading the paper conveying belt, and keeping the paper conveying belt tensioned and flat. The first sensor 5 detects the position of the paper conveying belt in real time, when the lateral position of the paper conveying belt exceeds the sensing position of the first sensor 5, the first sensor 5 generates a signal and transmits the signal to the control mechanism 14, the control mechanism 14 controls the power mechanism 13 to move, and the power mechanism 13 drives the end B of the second tensioning roller 4 to move up and down, as shown in fig. 2. When the first sensor 5 does not generate a signal, the end B of the second tensioning roller 4 and the end A are kept parallel to the height of the first paper feeding roller 1 and the second paper feeding roller 2, and the deviation of the paper conveying belt is not shown. The second tension roller 4 moves around the end a in the plane shown in fig. 2, and the rotation is driven by the power mechanism 13.

First support 6 rigid coupling has second support 7 and fourth support 9, first tensioning roller 3 rotates the tip of connecting in second support 7, second tensioning roller 4 rotates and connects in fourth support 9, second support 7 with fourth support 9 is all at the perpendicular to first support 6 extends on the length direction and has one section volume. The second support 7 and the fourth support 9 extend in a direction perpendicular to the length direction of the first support 6, and have a rectangular shape so as to generate a difference in height with the first paper feeding roller 1 and the second paper feeding roller 2, thereby facilitating the spreading of the paper feeding belt.

And a second sensor 10 for limiting the second tensioning roller 4 is connected to the fourth support 9, and the second sensor 10 is electrically connected to the control mechanism 14. The fourth support 9 is an L-shaped structure, the second tension roller 4 is connected to the vertical section of the fourth support 9, the second sensor 10 is located at the end of the horizontal section of the fourth support 9, and the second sensor 10 is aligned with the movable end of the second tension roller 4. As shown in fig. 2, the second sensor 10 is aligned with the movable end of the second tension roller 4, i.e. the end B, the second sensor 10 is used for sensing the height of the end B, the second sensor 10 is arranged at a proper height according to the tension limit of the paper feeding belt and the paper, and the second sensor 10 sends a signal when the height of the end B of the second tension roller 4 is too low, so that the control mechanism 14 controls the power mechanism 13 to adjust back, thereby avoiding the deformation of the paper feeding belt and the breakage of the paper.

The motion direction of the power mechanism 13 is perpendicular to the length direction of the first bracket 6. I.e. in the vertical direction in fig. 2.

The control mechanism 14 comprises a PLC controller and an electromagnetic valve, the power mechanism 13 is an air cylinder, and the electromagnetic valve is connected with the air cylinder. As shown in fig. 2, the electromagnetic valve is controlled by the cylinder in a matching way, the piston of the cylinder is ejected out, and the end B of the second tensioning roller 4 moves downwards; otherwise, the piston of the cylinder retracts, and the end B of the second tensioning roller 4 moves upwards.

The number of the first sensors 5 is at least one pair, and the first sensors are respectively positioned on two sides of the first bracket 6. The first sensors 5 are provided as at least one pair capable of sensing positions of both sides of the paper feed belt, and provided as a plurality of pairs capable of sensing position information of different positions in the length direction of the paper feed belt more specifically. Specifically, as shown in fig. 2, when the right side of the paper conveying belt exceeds, the end B will move downwards to correct the deviation of the conveying belt; the left side of the paper conveying belt exceeds, and the end B moves upwards.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the utility model, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the utility model.

Claims

1. Defeated paper tape automatic deviation rectification mechanism, its characterized in that, first paper feed roller, second paper feed roller including parallel arrangement, first paper feed roller with the second paper feed roller all rotates to be connected in first support, be connected with first tensioning roller and second tensioning roller on the first support, the both sides of the tip of first support are equipped with the first sensor that is used for detecting defeated paper tape position, second tensioning roller is equipped with the axle, the one end of axle is fixed, and other end swing joint has power unit, power unit is connected with control mechanism, control mechanism with the first sensor electricity is connected.

2. The automatic deviation rectifying mechanism for paper feeding belt of claim 1, wherein the first bracket is fixedly connected with a second bracket and a fourth bracket, the first tension roller is rotatably connected to an end of the second bracket, the second tension roller is rotatably connected to the fourth bracket, and the second bracket and the fourth bracket both extend in a length direction perpendicular to the first bracket to form a volume.

3. The automatic deviation rectifying mechanism of paper conveying belt according to claim 2, wherein a second sensor for limiting the second tensioning roller is connected to the fourth support, and the second sensor is electrically connected to the control mechanism.

4. The automatic deviation rectifying mechanism for paper conveying belt of claim 3, wherein the fourth support is an L-shaped structure, the second tension roller is connected to the vertical section of the fourth support, the second sensor is located at the end of the horizontal section of the fourth support, and the second sensor is aligned with the movable end of the second tension roller.

5. The automatic deviation rectifying mechanism of a paper conveying belt according to claim 1, wherein the moving direction of the power mechanism is perpendicular to the length direction of the first support.

6. The automatic deviation rectifying mechanism for paper feeding belts as claimed in claim 1, wherein the power mechanism is connected to the first bracket through a third bracket.

7. The automatic deviation rectifying mechanism of a paper conveying belt as claimed in claim 1, wherein the control mechanism comprises a PLC controller and an electromagnetic valve, the power mechanism is an air cylinder, and the electromagnetic valve is connected with the air cylinder.

8. The automatic deviation rectifying mechanism of paper conveying belt according to claim 1, wherein the number of the first sensors is at least one pair, and the first sensors are respectively located on two sides of the first bracket.