Vacuum paper feeding device

Abstract

The utility model discloses a vacuum paper feeding device which comprises a left wall plate, a right wall plate and a paper conveying and sucking assembly connected to the left wall plate and the right wall plate. The swinging mechanism is connected with the paper conveying and sucking assembly and the left and right wallboards; the driver is used for driving the swinging mechanism and the paper conveying and sucking assembly to swing; the swing mechanism comprises a linkage support and a driven rotating arm which are movably connected with the paper conveying and sucking assembly, the left wall plate and the right wall plate. According to the utility model, through the arrangement of the swing mechanism, the paper conveying and sucking assembly can be driven by the swing mechanism to swing downwards during paper feeding, so that the paper conveying and sucking assembly is contacted with the paper and then sucks the paper through vacuum suction force, and then the motor drives the conveying belt to act to convey the sucked paper forwards to a set position; a lifting device used for driving the paper to move upwards to make the paper make contact with the conveying paper suction assembly does not need to be arranged on the paper feeding table, the overall structure is simple, cost is low, and efficiency is high.

Description

Technical Field

[0001] The utility model relates to the field of paper conveying devices, and specifically designs a vacuum paper conveying device. Background Art

[0002] With the advancement of science and technology, printing automation / office automation equipment has been rapidly popularized. The laminating machine, creasing machine, binding machine and other printing equipment realizes the automation of paper feeding, which can greatly improve work efficiency and reduce labor intensity. The existing belt-type paper secondary positioning conveying device and vacuum suction device have the problems of complex structure and high production cost;

[0003] The paper secondary positioning and conveying device and the vacuum suction device in the prior art are fixed on the device and cannot swing up and down. The paper is conveyed to the vacuum suction device and the paper secondary positioning and conveying device by setting a lifting mechanism on the paper feeding table to drive the paper to move up and down. When the paper moves to the paper feeding table, it is driven by the lifting device to move upward to the paper secondary positioning and conveying device, and then the paper is sucked by the vacuum suction device, and then it is conveyed forward by the paper secondary positioning and conveying device; the overall structure of this method cannot swing up and down, so when picking up or feeding paper, the paper can only be picked up by lifting the paper feeding device, thereby reducing the overall efficiency of picking up and feeding paper. To this end, the utility model proposes a vacuum paper feeding device, which can swing up and down based on a support body, thereby improving work efficiency during paper picking or feeding. Utility Model Content

[0004] The purpose of the utility model is to solve the above problems and to provide a vacuum paper feeding device.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solution: a vacuum paper feeding device, including left and right wall panels and a paper conveying and suction assembly connected to the left and right wall panels; it is characterized in that it also includes a swing mechanism connected to the paper conveying and suction assembly and the left and right wall panels and a driver for driving the swing mechanism and the paper conveying and suction assembly to swing; the swing mechanism includes a linkage bracket and a passive rotating arm movably connected to the paper conveying and suction assembly and the left and right wall panels.

[0006] Further preferably, a swing base point A is provided between the linkage bracket and the left and right wall panels, a swing base point B is provided between the passive rotating arm and the left and right wall panels, and the linkage bracket and the passive rotating arm are movably connected to the left and right wall panels based on the swing base point A and the swing base point B.

[0007] Further preferably, the swing mechanism also includes a linkage connecting rod for connecting the linkage bracket and the passive swing arm to improve synchronization.

[0008] Further preferably, the swing mechanism also includes a linkage bracket 2 for connecting the passive rotating arms at both sides to improve the swing synchronization of the conveying and sucking paper assembly.

[0009] Further preferably, it also includes a return tension spring 1 connected to the connecting piece and the left and right wall panels.

[0010] Further preferably, it also includes at least one reset spring 2 whose one end is connected to the left and right wall panels to reset the paper conveying and suction assembly, and the other end of the reset spring 2 is connected to the linkage bracket or the passive rotating arm or the linkage connecting rod or the linkage bracket 2 or the paper conveying and suction assembly.

[0011] More preferably, it also includes a connecting piece for connecting the driver and the linkage bracket.

[0012] Further preferably, it also includes a limit bracket connected to the left and right wall panels to limit the position of the linkage bracket when it swings up and down, and the limit bracket is also equipped with an anti-collision plug.

[0013] Further preferably, the paper conveying and suction assembly is a vacuum pipe fitting movably connected to the linkage bracket and the passive rotating arm, a fan connected to the vacuum pipe fitting, a driving shaft and a driven shaft connected to the vacuum pipe fitting, a conveyor belt sleeved on the vacuum pipe fitting, the driving shaft and the driven shaft, and a motor connected to the vacuum pipe fitting, the motor and the driving shaft are connected by a synchronous belt, the vacuum pipe fitting is provided with an air inlet, and the conveyor belt is provided with a plurality of through holes corresponding to the air inlet.

[0014] Further preferably, the driver can be any one of a push-pull electromagnet, an electric push rod, a cylinder, a hydraulic cylinder, and a voice coil motor.

[0015] The beneficial effects of the utility model are as follows: through the setting of the swing mechanism, when feeding paper, the swing mechanism can be used to drive the conveying and sucking paper assembly to swing downward so that the conveying and sucking paper assembly contacts the paper on the paper feeding device, and then the paper is sucked by vacuum suction, and then the conveyor belt is driven by the motor to move and the sucked paper is conveyed forward to the set position. There is no need to set a lifting device on the paper feeding table to drive the paper to move upward and contact the conveying and sucking paper assembly. The overall structure is simple, the cost is low, and the efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Attached Figure 1 It is a structural schematic diagram of the utility model;

[0017] Attached Figure 2 It is a partial structural schematic diagram of an implementation method of the utility model;

[0018] Attached Figure 3 It is a structural schematic diagram of the linkage bracket in the utility model;

[0019] Attached Figure 4It is a partial structural schematic diagram of another implementation method of the utility model;

[0020] Attached Figure 5 It is a partial structural schematic diagram of another implementation method of the utility model;

[0021] Attached Figure 6 It is an enlarged structural schematic diagram of the position limiting bracket in the utility model;

[0022] Attached Figure 7 It is a structural schematic diagram of the paper conveying and suction assembly and the swing mechanism of the utility model;

[0023] Attached Figure 8 The utility model is a structural schematic diagram of the paper conveying and sucking assembly and the swing mechanism without the conveying belt.

[0024] Legend: 1. Left and right wall panels; 1-1. Adjustment hole; 1-2. Limit bracket; 1-3. Anti-collision plug; 2. Paper conveying and suction assembly; 2-1. Vacuum pipe fittings; 2-2. Fan; 2-3. Driving shaft; 2-4. Driven shaft; 2-5. Conveyor belt; 2-6. Motor; 2-8. Air inlet; 2-9. Through hole; 3. Swing mechanism; 3-1. Linkage bracket; 3-2. Passive swing arm; 3-3. Driver; 3-4. Linkage connecting rod; 3-5. Linkage bracket 2; 3-6. Swing base point A; 3-7. Swing base point B; 4. Connecting piece; 5. Reset spring 2; 6. Reset spring 1. DETAILED DESCRIPTION

[0025] Next, we further explain the vacuum paper feeding device of the present invention with reference to the accompanying drawings.

[0026] It should be noted that all directional indications such as up, down, left, right, front, back... in the embodiments of the utility model are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indication will also change accordingly.

[0027] In the present invention, unless otherwise clearly defined and limited, the terms "connection", "fixation", etc. should be understood in a broad sense; for example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] See also Figure 1-8As shown in, a vacuum paper feeding device comprises left and right wall panels 1 and a paper conveying and sucking assembly 2 connected to the left and right wall panels 1; it is characterized in that it also comprises a swing mechanism 3 connected to the paper conveying and sucking assembly 2 and the left and right wall panels 1 and a driver 3-3 for driving the swing mechanism 3 and the paper conveying and sucking assembly 2 to swing; the swing mechanism 3 comprises a linkage bracket 3-1 and a passive rotating arm 3-2 movably connected to the paper conveying and sucking assembly 2 and the left and right wall panels 1;

[0029] By setting the swing mechanism 3, when feeding paper, the swing mechanism 3 can drive the paper conveying suction assembly 2 to swing downward so that the paper conveying suction assembly 2 can contact with the paper and suck the paper through vacuum suction, and then the motor 2-6 drives the conveyor belt 2-5 to move and convey the sucked paper forward to the set position, without setting a lifting device on the paper feeding table to drive the paper to move upward and make it contact with the paper conveying suction assembly 2, and the overall structure is simple, the cost is low, and the efficiency is high;

[0030] A swing base point A3-6 is provided between the linkage bracket 3-1 and the left and right wall panels 1, and a swing base point B3-7 is provided between the passive rotating arm 3-2 and the left and right wall panels 1. The linkage bracket 3-1 and the passive rotating arm 3-2 are movably connected to the left and right wall panels 1 based on the swing base point A3-6 and the swing base point B3-7;

[0031] The driver 3-3 drives the linkage bracket 3-1 to rotate with the point where it is flexibly connected to the left and right walls as the swing base point A3-6. During the rotation, the linkage bracket 3-1 drives the paper conveying and suction assembly 2 to move. At the same time, the paper conveying and suction assembly 2 drives the passive rotating arm 3-2 to rotate with the point where it is flexibly connected to the left and right wall panels 1 as the swing base point B3-7.

[0032] In one embodiment, it also includes a connecting member 4 for connecting the driver 3-3 and the linkage bracket 3-1. Both the driver 3-3 and the linkage bracket 3-1 are provided with connecting rods movably connected to the connecting member 4. When the driver 3-3 drives the linkage bracket 3-1 to swing, the connecting member 4 can perform a certain deflection accordingly, thereby avoiding interference with the swing of the linkage bracket 3-1 due to the linear movement of the driver 3-3.

[0033] In one embodiment, the swing mechanism 3 also includes a linkage connecting rod 3-4 for connecting the linkage bracket 3-1 and the passive rotating arm 3-2 to improve synchronization; through the setting of the linkage connecting rod 3-4, the linkage bracket 3-1 and the passive rotating arm 3-2 are connected, and when the linkage bracket 3-1 performs a swinging motion, the passive rotating arm 3-2 is synchronously driven to move through the linkage connecting rod 3-4 and the vacuum pipe fitting 2-1, thereby improving the synchronization of the linkage swing.

[0034] In one embodiment, the swing mechanism 3 also includes a linkage bracket 3-1 for connecting the passive rotating arms 3-2 on both sides to improve the swing synchronization of the conveying and sucking paper assembly 2; by connecting the linkage bracket 3-1 on the passive rotating arms 3-2 on both sides, the passive rotating arms 3-2 on both sides can move synchronously when swinging, thereby increasing the synchronization and improving the stability of the swing.

[0035] In one embodiment, it also includes a reset spring 6 connected to the connecting member 4 and the left and right wall panels 1. A plurality of adjustment holes 1-1 connected to the reset spring 6 are provided on the left and right wall panels 1 for adjusting the resistance of the conveying and sucking paper assembly 2 when it swings. By setting a plurality of adjustment holes 1-1, the initial tensioning force of the reset spring 6 before the swing is adjusted through different adjustment holes 1-1, thereby adjusting the force for pulling the linkage bracket 3-1 and the conveying and sucking paper assembly 2 to swing. By adjusting the tensioning force, the stability of the conveying and sucking paper assembly 2 when it swings can be adjusted. At the same time, the reset spring 6 is the main reset spring of the conveying and sucking paper assembly 2, which is used to drive the conveying and sucking paper assembly 2 to reset.

[0036] In one embodiment, it also includes at least one reset spring 5 whose one end is connected to the left and right wall panels 1 to reset the paper conveying and suction assembly 2, and the other end of the reset spring 5 is connected to the linkage bracket 3-1 or the passive rotating arm 3-2 or the linkage connecting rod 3-4 or the linkage bracket 3-1 or the paper conveying and suction assembly 2; through the setting of the reset spring, it is used to drive the linkage bracket 3-1 or the passive rotating arm 3-2 or the linkage connecting rod 3-4 or the linkage bracket 3-1 or the paper conveying and suction assembly 2 to automatically reset.

[0037] In one embodiment, it also includes a limit bracket 1-2 connected to the left and right wall panels 1 to limit the upward and downward positions of the linkage bracket 3-1 when it swings, and the limit bracket 1-2 is also equipped with an anti-collision plug 1-3; through the setting of the limit bracket 1-2, the maximum stroke of the downward swing and the upward swing of the linkage bracket 3-1 is limited to avoid overtravel; through the setting of the anti-collision plug 1-3, the linkage bracket 3-1 is prevented from contacting and colliding with the limit bracket 1-2 when swinging, thereby preventing damage.

[0038] In one embodiment, the paper conveying and sucking assembly 2 is a vacuum pipe 2-1 movably connected to the linkage bracket 3-1 and the passive rotating arm 3-2, a fan 2-2 connected to the vacuum pipe 2-1, a driving shaft 2-3 and a driven shaft 2-4 connected to the vacuum pipe 2-1, a conveyor belt 2-5 sleeved on the vacuum pipe 2-1, the driving shaft 2-3 and the driven shaft 2-4, and a motor 2-6 connected to the vacuum pipe 2-1, and the motor 2-6 is connected to the driving shaft 2-3 through a synchronous belt; the vacuum pipe 2-1 is provided with The air inlet 2-8 and the conveyor belt 2-5 are provided with a plurality of through holes 2-9 corresponding to the air inlet 2-8. When sucking paper, the fan 2-2 is started, and the fan 2-2 evacuates the vacuum pipe 2-1. The vacuum pipe 2-1 generates suction at the air inlet 2-8 during the vacuuming process, and the paper is sucked by the suction force and then conveyed. When conveying, the motor 2-6 is started, and the motor 2-6 drives the driving shaft 2-3 to rotate, and the driving shaft 2-3 drives the conveyor belt 2-5 to rotate, and the conveyor belt 2-5 drives the adsorbed paper to be conveyed forward.

[0039] In one embodiment, the driver 3 - 3 may be any one of a push-pull electromagnet, an electric push rod, a cylinder, a hydraulic cylinder, and a voice coil motor.

[0040] When the utility model is in use: the driver 3-3 is started, the driver 3-3 drives the linkage bracket 3-1 to rotate with the swing base point A3-6 through the connecting piece 4, the linkage bracket 3-1 drives the vacuum pipe 2-1 to lower its head downward, and drives the passive rotating arm 3-2 to rotate with the swing base point B3-7 at the same time, until the vacuum pipe 2-1 lowers its head downward to the set position, the fan 2-2 is started, the fan 2-2 vacuums the vacuum pipe 2-1, and the vacuum pipe 2-1 generates suction at the air inlet 2-8 during the vacuuming process, and absorbs the paper through the suction, and then the motor 2-6 is started, the motor 2-6 drives the driving shaft 2-3 to rotate, the driving shaft 2-3 drives the conveyor belt 2-5 to rotate, and the conveyor belt 2-5 drives the adsorbed paper to be transported forward to the set position, and then the fan 2-2 is turned off, and after the fan 2-2 stops working, the suction is no longer generated at the air inlet 2-8, and the paper is transported to the set position;

[0041] After completing paper conveying or sucking the paper, the driver 3-3 stops pulling the connecting piece 4. At this time, the paper conveying and suction assembly 2 is reset by the reset force of the reset spring 1 6 or the reset spring 2 5, or the paper conveying and suction assembly 2 is reset by the reset force of the reset spring 1 6 and the reset spring 2 5.

[0042] The protection scope of the present utility model is not limited to the above embodiments and their variations. Conventional modifications and replacements made by those skilled in the art based on the contents of this embodiment all fall within the protection scope of the present utility model.

Claims

1. A vacuum paper feeding device, comprising left and right wall panels (1) and a paper feeding and sucking assembly (2) connected to the left and right wall panels (1); wherein: It also includes a swing mechanism (3) connected to the paper conveying and suction assembly (2) and the left and right wall panels (1), and a driver (3-3) for driving the swing mechanism (3) and the paper conveying and suction assembly (2) to swing; the swing mechanism (3) includes a linkage bracket (3-1) and a passive rotating arm (3-2) movably connected to the paper conveying and suction assembly (2) and the left and right wall panels (1).

2. A vacuum paper feeding device according to claim 1, characterized in that: A swing base point A (3-6) is provided between the linkage bracket (3-1) and the left and right wall panels (1), and a swing base point B (3-7) is provided between the passive rotating arm (3-2) and the left and right wall panels (1). The linkage bracket (3-1) and the passive rotating arm (3-2) are movably connected to the left and right wall panels (1) based on the swing base point A (3-6) and the swing base point B (3-7).

3. A vacuum paper feeding device according to claim 1, characterized in that: The swing mechanism (3) also includes a linkage connecting rod (3-4) used to connect the linkage bracket (3-1) and the passive rotating arm (3-2) to improve synchronization.

4. The vacuum paper feeding device according to claim 1, characterized in that: The swing mechanism (3) also includes a second linkage bracket (3-5) for connecting the passive rotating arms (3-2) on both sides to improve the swing synchronization of the paper conveying and suction assembly (2).

5. The vacuum paper feeding device according to claim 2, characterized in that: It also includes a return tension spring (6) connected to the connecting member (4) and the left and right wall panels (1).

6. A vacuum paper feeding device according to claim 5, characterized in that: It also comprises at least one reset spring (5) whose one end is connected to the left and right wall panels (1) to reset the paper conveying and sucking assembly (2); the other end of the reset spring (5) is connected to the linkage bracket (3-1) or the passive rotating arm (3-2) or the linkage connecting rod (3-4) or the linkage bracket (3-5) or the paper conveying and sucking assembly (2).

7. The vacuum paper feeding device according to claim 1, characterized in that: It also includes a connecting piece (4) for connecting the driver (3-3) and the linkage bracket (3-1).

8. The vacuum paper feeding device according to claim 1, characterized in that: It also includes a limit bracket (1-2) connected to the left and right wall panels (1) and having a limiting function for the position of the linkage bracket (3-1) when it swings up and down, and an anti-collision plug (1-3) is also installed on the limit bracket (1-2).

9. The vacuum paper feeding device according to claim 1, characterized in that: The paper conveying and sucking assembly (2) comprises a vacuum pipe (2-1) movably connected to a linkage bracket (3-1) and a passive rotating arm (3-2), a fan (2-2) connected to the vacuum pipe (2-1), a driving shaft (2-3) and a driven shaft (2-4) connected to the vacuum pipe (2-1), a conveyor belt (2-5) sleeved on the vacuum pipe (2-1), the driving shaft (2-3) and the driven shaft (2-4), and a motor (2-6) connected to the vacuum pipe (2-1), wherein the motor (2-6) and the driving shaft (2-3) are connected in a transmission manner via a synchronous belt, an air inlet (2-8) is provided on the vacuum pipe (2-1), and a plurality of through holes (2-9) corresponding to the air inlet (2-8) are provided on the conveyor belt (2-5).

10. The vacuum paper feeding device according to claim 1, characterized in that: The driver (3-3) can be any one of a push-pull electromagnet, an electric push rod, a cylinder, a hydraulic cylinder, and a voice coil motor.

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