Paper conveying equipment

Abstract

The utility model belongs to the technical field of paper production equipment, and particularly relates to paper conveying equipment which comprises a rack, a conveying roller, an auxiliary pressing wheel mechanism, a negative pressure air bellow and a conveying belt are arranged on the rack, the negative pressure air bellow is connected with an external fan through an air pipe, and an air suction hole in the negative pressure air bellow is matched with a through hole in the conveying belt to form a negative pressure adsorption system. The driving mechanism comprises a belt pulley, a tension adjusting mechanism and a driving wheel, the driving wheel is connected with an external driving motor and rotates synchronously with the conveying rollers through a synchronous gear and a synchronous belt, the tension adjusting mechanism can adjust the tension degree of the conveying belt, and the height of a pressing wheel of the auxiliary pressing wheel mechanism can be adjusted through an air cylinder. According to the paper conveying device, through a negative pressure adsorption system, paper displacement is restrained, universality and conveying stability are enhanced, it is guaranteed that paper conveying is accurate and smooth, and high practical value is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to paper production equipment technical field, specifically speaking is a kind of paper conveying equipment. BACKGROUND

[0002] Paper as common environmental protection package, made of paper recyclable reduces pollution, its style is various, portable, shopping, gift bag is widely used in each scene, in the paper production process, conveying equipment is crucial, it ensures that paper and semi-finished product smooth transportation, is the key link of guaranteeing production efficiency and quality.

[0003] The existing paper conveying equipment is mainly composed of conveying belt, driving drum, motor, support and other parts, and the working principle is that the motor drives the driving drum to rotate, the friction between the driving drum and the conveying belt makes the conveying belt move, and the paper is placed on the conveying belt and is conveyed to the specified position along with the movement of the conveying belt.

[0004] The existing paper conveying equipment in the prior art has the following shortcomings: the traditional conveying equipment is easy to be affected by the airflow disturbance and speed change generated by the equipment operation during the conveying process of the light and thin paper, and it is difficult to maintain the position deviation on the established conveying path or even be blown off the conveying path, which seriously affects the production efficiency and product quality, so that the subsequent processing procedures are difficult to accurately dock;Therefore, a paper conveying equipment is proposed for the above problems. INVENTION CONTENTS

[0005] In order to make up for the deficiency of the existing paper conveying equipment, the problem of position deviation of paper in the conveying process caused by airflow disturbance and speed change generated by equipment operation is solved, and a kind of paper conveying equipment is proposed.

[0006] The technical scheme adopted by the utility model to solve its technical problems is: the utility model discloses a kind of paper conveying equipment, including rack, the rack is rotatably equipped with several conveying rollers for driving paper conveying, the rack is located in paper conveying direction and is provided with negative pressure air bellow, the matching surface opposite to paper on the negative pressure air bellow is provided with several suction holes, the rack is provided with the conveying belt for synchronously conveying paper with the conveying roller, several through holes matched with suction hole are equidistantly provided on the conveying belt.

[0007] Preferably, the negative pressure air bellow is connected with an external fan for generating negative pressure in the negative pressure air bellow through an air pipe.

[0008] Preferably, the rotating shaft of the conveying roller rotates through a bearing and passes through the negative pressure air bellow.

[0009] Preferably, the upper surface of the conveying belt and the top end of the conveying roller are located on the same horizontal line.

[0010] Preferably, a driving mechanism for driving the conveying belt to move is arranged on the frame, the driving mechanism comprises a plurality of pulleys rotatably arranged through a rotating shaft, a tension adjusting mechanism for adjusting the tension of the conveying belt, and a driving wheel rotatably arranged through a synchronous gear and a synchronous belt in synchronization with the conveying roller, the driving wheel is connected with an external driving motor through a shaft coupling, the conveying belt is sleeved on the pulleys and the conveying rollers at the head end and the tail end, and the inner wall of the conveying belt is attached to one side of the suction hole of the negative pressure air bellow.

[0011] Preferably, the tension adjusting mechanism comprises a tension adjusting roller movably arranged on the frame through a movable block, the conveying belt is arranged around the tension adjusting roller, and the movable block is provided with an adjusting screw rod for driving the movable block to move.

[0012] Preferably, an auxiliary compression wheel mechanism acting on the paper from above is arranged above the conveying roller on the frame, the auxiliary compression wheel mechanism comprises a support, a plurality of compression wheels are rotatably arranged on the support, and a gas cylinder for driving the compression wheels to adjust the height is arranged on the support.

[0013] The paper conveying equipment has the following beneficial effects:

[0014] The paper conveying equipment has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings, which are included to provide a further understanding of the present application and constitute a part of this application, illustrate embodiments of the present application and together with the general description of the application given above and the detailed description of the application given below, serve to explain the present application. In the drawings:

[0016] Figure 1 is a sectional view of the whole paper conveying equipment;

[0017] Figure 2 is a sectional view of the whole paper conveying equipment; Figure 1 is an enlarged view of the structure at A in FIG. 1;

[0018] Figure 3 is a first structure perspective view of the whole paper conveying equipment;

[0019] Figure 4 is the second structure of the whole utility model perspective view;

[0020] Legend:

[0021] 1, rack; 2, conveying roller; 3, auxiliary compression wheel mechanism; 4, negative pressure air bellow; 401, air pipe; 5, air suction hole; 6, conveying belt; 7, through hole; 8, driving mechanism; 9, pulley; 10, tension adjusting mechanism; 11, driving wheel; 12, movable block; 13, tension adjusting roller; 14, adjusting screw; 15, support; 16, compression wheel; 17, air cylinder. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] The specific embodiments are given below.

[0024] Please refer to Figures 1-4The utility model discloses a paper conveying equipment, including frame 1, the frame 1 is rotationally equipped with a plurality of for driving paper conveying conveying roller 2, the frame 1 is equipped with the auxiliary compression wheel mechanism 3 for acting on the upper paper of conveying roller 2's top, the frame 1 is fixed with the negative pressure air bellow 4 of setting in the middle of conveying roller 2, the pivot of conveying roller 2 is rotated and passes through the negative pressure air bellow 4 setting, a plurality of air suction holes 5 are seted up on the cooperation face of negative pressure air bellow 4 with paper opposite, the negative pressure air bellow 4 is connected with the external fan for making the negative pressure in negative pressure air bellow 4 through air pipe 401, the frame 1 is provided with the conveying belt 6 of conveying paper with conveying roller 2 synchronous conveying, a plurality of through -holes 7 are seted up on conveying belt 6 equidistant with air suction hole 5 cooperation, the frame 1 is provided with the drive mechanism 8 for driving conveying belt 6 movement, the drive mechanism 8 includes a plurality of pulley 9 of rotationally equipped through the rotary lever, still includes the tension adjusting mechanism 10 for adjusting the tightness of conveying belt 6, and the driving wheel 11 of rotating with conveying roller 2 synchronous through the cooperation of synchronous gear and synchronous belt, the driving wheel 11 is connected with the external drive motor output end through the shaft coupling, the conveying belt 6 is sleeved in pulley 9 and the conveying roller 2 of first end and tail end, and the inner wall of conveying belt 6 is attached to one side of air suction hole 5 on negative pressure air bellow 4, when working, the external drive motor starts and drives the driving wheel 11 rotation, the driving wheel 11 is connected with the pivot of conveying roller 2 by synchronous gear and synchronous belt, and the cooperation makes the driving wheel 11 and conveying roller 2 strictly synchronous rotation, guarantees the linear velocity consistency of conveying belt 6 and conveying roller 2 when conveying, the driving wheel 11 rotation drives the operation of the sleeved conveying belt 6, and the conveying belt 6 passes a plurality of pulley 9 and the conveying roller 2 of first end and tail end, makes the conveying belt 6 circular movement according to predetermined path, provides the stable carrier for paper conveying, when paper is conveyed by conveying belt 6 and conveying roller 2, the fan starts and constantly extracts the air in negative pressure air bellow 4, makes its inside form negative pressure environment, when paper moves to the top of negative pressure air bellow 4, simultaneously, the through -hole 7 on conveying belt 6 is aligned with air suction hole 5 on negative pressure air bellow 4, the negative pressure rapidly extracts the air under paper, causes the pressure difference of paper upper and lower surfaces, under the action of this pressure difference, paper is tightly adsorbed on the surface of conveying belt 6, can effectively restrain the displacement of paper when conveying due to speed change, equipment vibration and other factors, always maintains paper on the given conveying path, ensures the precision of conveying (the negative pressure adsorption effect of negative pressure air bellow 4 can be flexibly adjusted according to the fan power, can adapt to the paper conveying demand of different specifications, material and weight.No matter thin paper or thick paper, it can be firmly adsorbed on the conveying belt 6 by adjusting the negative pressure, effectively preventing the position deviation in the conveying process, significantly enhancing the versatility of the equipment for various types of paper, the conveying roller 2 continuously rotates under the driving of the power transmitted by the driving wheel 11 through the synchronous gear and synchronous belt, and the rotating direction is consistent with the running direction and speed of the conveying belt 6, and the two cooperate to provide strong power for paper conveying, further ensuring the smoothness and stability of the conveying process, the auxiliary pressure roller mechanism 3 is located above the conveying roller 2, when the paper passes below it, the auxiliary pressure roller mechanism 3 applies moderate pressure from above to prevent the paper from jumping or tilting upward due to air flow disturbance, its own elasticity and other factors, further ensuring that the paper is always closely attached to the conveying belt 6 and the conveying roller 2, enhancing the stability of conveying.

[0025] Further, the tension adjusting mechanism 10 includes a tension adjusting roller 13 movably arranged on the rack 1 through a movable block 12, the conveying belt 6 is wound around the tension adjusting roller 13, and the movable block 12 is provided with an adjusting screw 14 for driving its movement; when it is necessary to adjust the tension of the conveying belt 6 during operation, the operator rotates the adjusting screw 14, the adjusting screw 14 is threadedly connected with the movable block 12, the rotating movement of the screw is converted into the linear displacement of the movable block 12 on the rack 1, and the movable block 12 drives the synchronous movement of the tension adjusting roller 13, since the conveying belt 6 is wound around the tension adjusting roller 13, when the tension adjusting roller 13 moves away from the running path direction of the conveying belt 6, it will tighten the conveying belt 6 and increase the tension; conversely, when the tension adjusting roller 13 moves towards the running path direction of the conveying belt 6, it will loosen the conveying belt 6 and reduce the tension, so as to realize the precise control of the tension of the conveying belt 6, through the tension adjusting mechanism 10, the tension of the conveying belt 6 can be conveniently and accurately adjusted to the best state, avoiding the problem of slipping, and ensuring the stable conveying of the paper at the predetermined speed and path.

[0026] Further, the upper surface of the conveying belt 6 and the top end of the conveying roller 2 are located on the same horizontal line; during the paper conveying process, the paper passes above the conveying roller 2 and the conveying belt 6, since the top end of the conveying belt 6 and the top end of the conveying roller 2 are on the same horizontal line, the supporting force on the bottom of the paper is continuous and uniform when moving, without impact or jam due to height difference, the paper can always maintain a stable posture, with stable center of gravity, without tilting or deviation due to the inconsistency of the surface height of the conveying equipment, ensuring the smooth movement of the paper on the entire conveying path, maintaining the continuity of the conveying process.

[0027] Further, the auxiliary pressure roller mechanism 3 comprises a support 15, a plurality of pressure rollers 16 are rotatably arranged on the support 15, and a cylinder 17 is arranged for driving the pressure rollers 16 to adjust the height; in operation, the cylinder 17 serves as a power source of the auxiliary pressure roller mechanism 3, and controls the extension and retraction of the piston through air intake and exhaust; when it is needed to make the pressure rollers 16 close to the paper, the compressed air is introduced into the cylinder 17, the piston pushes the support 15 to move downward, and drives the pressure rollers 16 rotatably arranged on the support 15 to descend, until the pressure rollers 16 contact the surface of the paper and apply appropriate pressure; after the pressure rollers 16 contact the paper, the pressure rollers 16 will rotate around the axis with the paper conveying; when the pressure rollers 16 do not need to work (such as replacing the paper size, equipment maintenance, etc.), the compressed air in the cylinder 17 is exhausted, and then drives the support 15 and the pressure rollers 16 to ascend, so that the pressure rollers 16 are separated from the paper.

[0028] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0029] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A paper conveying device, characterized in that: The application relates to a paper conveying device, which comprises a frame (1) provided with conveying rollers (2) for conveying paper, a negative pressure air box (4) arranged on the frame (1) and provided with air suction holes (5) on the surface opposite to the paper, a conveying belt (6) arranged on the frame (1) and provided with through holes (7) corresponding to the air suction holes (5).

2. A paper sheet conveying apparatus according to claim 1, characterized by: The negative pressure air box (4) is connected with an external air blower through an air pipe (401) for generating negative pressure in the negative pressure air box (4).

3. A paper sheet conveying apparatus according to claim 1, wherein: The rotating shaft of the conveying roller (2) is rotatably arranged through a bearing and penetrates the negative pressure air box (4).

4. A paper sheet conveying apparatus according to claim 1, wherein: The upper surface of the conveying belt (6) is located on the same horizontal line as the top end of the conveying roller (2).

5. A paper sheet conveying apparatus according to claim 1, wherein: The frame (1) is provided with a driving mechanism (8) for driving the conveying belt (6) to move, which comprises a plurality of belt pulleys (9) rotatably arranged through rotating rods, a tension adjusting mechanism (10) for adjusting the tension of the conveying belt (6), a driving wheel (11) rotatably arranged through a synchronous gear and a synchronous belt and rotatably arranged on the conveying roller (2), and an external driving motor connected with the output end of the driving wheel (11) through a shaft coupling.

6. A paper sheet conveying apparatus according to claim 5, characterized by: The tension adjusting mechanism (10) comprises a tension adjusting roller (13) movably arranged on the frame (1) through a movable block (12), and the conveying belt (6) is arranged around the tension adjusting roller (13); and the movable block (12) is provided with an adjusting screw rod (14) for driving the movable block (12) to move.

7. A paper sheet conveying apparatus according to claim 1, wherein: The frame (1) is provided with an auxiliary pressure roller mechanism (3) above the conveying roller (2) and acting on the paper, which comprises a support (15), a plurality of pressure rollers (16) rotatably arranged on the support (15), and an air cylinder (17) for driving the pressure rollers (16) to adjust the height.

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