Scratch-proof paper feeder

Abstract

The utility model discloses an anti-scratch paper feeder which comprises a machine frame, a first paper feeding conveying line, a second paper feeding conveying line, a first paper feeding lifting mechanism, a second paper feeding lifting mechanism and a paper feeding feeder mechanism are arranged on the machine frame, the first paper feeding conveying line conveys stacked paper to the second paper feeding conveying line, and the second paper feeding conveying line conveys the stacked paper to the second paper feeding conveying line. The second paper feeding conveying line conveys stacked paper to the feeding position, the first paper feeding lifting mechanism lifts and conveys the stacked paper to the paper feeding position of the paper feeding feeder mechanism, and after the second paper feeding lifting mechanism abuts against the bottom of a paper pile, the first paper feeding lifting mechanism resets and descends to the paper taking position. According to the paper feeding feeder mechanism, the paper feeding belt conveying mode is adopted, paper adsorption is matched, the paper feeding efficiency is improved, and the paper feeding feeder mechanism is simpler in structure and convenient to debug. The two groups of paper feeding lifting mechanisms alternately support and feed paper, the paper feeding feeder mechanism does not need waiting time, and the paper feeding action can be continuously carried out.

Description

TECHNICAL FIELD

[0001] The utility model relates to a paper feeding equipment of printing machine, especially a kind of scratch-proof paper feeding machine. BACKGROUND

[0002] The continuous paper feeding and distributing mechanism in printing machine is also called paper feeding flyer.The function is to separate paper from paper stack periodically and deliver it to paper feeding roller.The paper feeding and distributing speed of flyer head is very fast in working process, and in order to match the delivery speed of flyer head, the mechanism for delivering paper stack is needed, and the existing mechanism for delivering paper stack generally only uses single paperboard alternating lifting mechanism, and does not have the function of preloading paper, so that after flyer head feeds and distributes a stack of paperboard, the time for waiting the paperboard alternating lifting mechanism to deliver is relatively long, which affects the delivery efficiency of paperboard. SUMMARY

[0003] In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the utility model is to provide a scratch-proof paper feeding machine.

[0004] The purpose of the utility model is realized by the following technical scheme: a scratch-proof paper feeding machine, comprising a rack, a first paper feeding conveying line, a second paper feeding conveying line, a first paper feeding lifting mechanism, a second paper feeding lifting mechanism and a paper feeding flyer mechanism are arranged on the rack, the first paper feeding conveying line delivers stacked paper to the second paper feeding conveying line, the second paper feeding conveying line delivers stacked paper to a feeding position, the first paper feeding lifting mechanism delivers stacked paper upward to the position of paper feeding of the paper feeding flyer mechanism, after the second paper feeding lifting mechanism abuts against the bottom of paper stack, the first paper feeding lifting mechanism resets and descends to a paper taking position, the paper feeding flyer mechanism delivers away one piece of paper, the second paper feeding lifting mechanism controls the height of one piece of paper in the paper stack to rise, when the previous stack of paper is not delivered completely, the first paper feeding lifting mechanism can deliver the next stack of paper to the bottom of the previous stack of paper, so that the previous stack of paper is stacked with the next stack of paper, and the paper feeding flyer mechanism can continuously deliver paper without waiting time.

[0005] As an improvement of the scratch-proof paper feeding machine of the utility model, the paper feeding flyer mechanism comprises a paper feeding flyer mounting seat and a paper feeding flyer mounting beam, a linear slide rail is arranged on the paper feeding flyer mounting beam, the paper feeding flyer mounting seat is connected to the paper feeding flyer mounting beam through linear slide block and linear slide rail, a paper feeding drive mounting plate is arranged on the paper feeding flyer mounting seat, a driving pulley, two driven pulleys and two belt tightness adjusting wheels are arranged on the inner side of the paper feeding drive mounting plate, the two driven pulleys and the driving pulley are connected through paper feeding belt, and the two belt tightness adjusting wheels are pressed on the paper feeding belt.

[0006] As an improvement of the anti-scratch paper feeding machine, waist-shaped holes are arranged on the paper feeding driving mounting plate corresponding to the positions of the two belt tightness adjusting wheels, the belt tightness adjusting wheels are installed in the waist-shaped holes through screws, one of the belt tightness adjusting wheels is located on one side of the driving pulley, and the other belt tightness adjusting wheel is located on the other side of the driving pulley, and the two belt tightness adjusting wheels can adjust the tightness of the paper feeding belt.

[0007] As an improvement of the anti-scratch paper feeding machine, a paper suction seat is further arranged on the inner side of the paper feeding driving mounting plate, the paper suction seat is located between the two driven pulleys, the paper suction seat is close to the paper feeding belt, the bottom of the paper suction seat is provided with an air suction hole, the inside of the paper suction seat is provided with an air suction channel, and the air suction channel is connected with a vacuumizing equipment through a pipeline.

[0008] As an improvement of the anti-scratch paper feeding machine, the first paper feeding lifting mechanism comprises a first paper feeding lifting frame and a first paper feeding lifting drive, the first paper feeding lifting frame comprises a middle connecting plate and two side connecting plates, the two side connecting plates are connected to the two ends of the middle connecting plate respectively, a plurality of paper supporting plates are arranged on the middle connecting plate at intervals, the two side connecting plates are connected to the side of the rack through sliding rails and sliding blocks respectively, and the first paper feeding lifting drive controls the lifting movement of the first paper feeding lifting frame.

[0009] As an improvement of the anti-scratch paper feeding machine, the first paper feeding lifting drive comprises a first lifting control servo motor, two first synchronous pulleys and a first synchronous belt, the two first synchronous pulleys are connected through the first synchronous belt, the output shaft of the first lifting control servo motor is connected to one of the first synchronous pulleys, the first lifting control servo motor is installed on the inner side of the rack, and the side of the first paper feeding lifting frame is connected with the first synchronous belt.

[0010] As an improvement of the anti-scratch paper feeding machine, the second paper feeding lifting mechanism comprises a second paper feeding lifting frame, a paper supporting frame and a second paper feeding lifting drive, the second paper feeding lifting drive is arranged on the outer side of the rack, the second paper feeding lifting frame is provided with a sliding rail and a moving control cylinder, the paper supporting frame is slidably connected to the second paper feeding lifting frame through the sliding rail and the sliding block, the piston rod end of the moving control cylinder is connected to the side of the paper supporting frame, and the moving control cylinder can control the horizontal movement of the paper supporting frame on the second paper feeding lifting frame.

[0011] As an improvement of the scratch-resistant paper feeder of this utility model, multiple paper-supporting rods are spaced apart on the paper-supporting frame, and the paper-supporting rods are staggered with the paper-supporting board. The two sides of the second paper feeding lifting frame are slidably connected to the outside of the frame through slide rails and sliders, respectively.

[0012] As an improvement of the scratch-resistant paper feeder of this utility model, the second paper feeding lifting drive includes a second lifting control servo motor, two second synchronous pulleys and a second synchronous belt. The two second synchronous pulleys are connected by the second synchronous belt. The output shaft of the second lifting control servo motor is connected to one of the second synchronous pulleys. The second lifting control servo motor is installed on the inner side of the frame. The side of the second paper feeding lifting frame is connected to the second synchronous belt.

[0013] As an improvement of the anti-scratch paper feeder of this utility model, the first paper feeding conveyor line includes multiple sets of belt conveyor modules. The bottom of each set of belt conveyor modules is connected to a linear slide rail by a slider. The conveyor belts on each set of belt conveyor modules are driven by a belt-controlled servo motor.

[0014] The second paper feeding line includes multiple sets of belt conveyor lines arranged at intervals, and the belts on the multiple belt conveyor lines are all controlled by belt control motors.

[0015] The beneficial effects of this utility model are as follows: The paper feeding mechanism adopted in this utility model uses a paper feeding belt conveyor, combined with paper adsorption, to improve paper feeding efficiency. The structure of the paper feeding mechanism is simpler and easier to adjust. Two sets of paper feeding lifting mechanisms alternately feed paper, and the paper feeding mechanism does not require waiting time, enabling continuous paper feeding. Moreover, the two paper feeding conveyor lines of this utility model have a pre-loaded paper conveying function, which can provide paper stacks uninterruptedly, further improving paper feeding efficiency. Attached Figure Description

[0016] Figure 1 This is a first perspective view of the present invention;

[0017] Figure 2 This is a perspective view of the present invention from another angle;

[0018] Figure 3 This is a schematic diagram of the paper feeding mechanism of this utility model;

[0019] Figure 4 This is a schematic diagram of the lifting drive part of this utility model;

[0020] Figure 5 This is a schematic diagram of the first paper feeding lifting frame structure of this utility model;

[0021] Figure 6It is the second paper feeding lifting frame structure schematic view of the utility model; 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 of the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.

[0023] It should be noted that all the directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directionality indications also change accordingly.

[0024] In addition, the description of "first", "second" and the like in the utility model is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one feature. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, and when the combination of the technical solutions appears contradictory or unachievable, it should be considered that the combination of the technical solutions does not exist, and is not within the protection scope required by the utility model.

[0025] As Figures 1-6As shown, a scratch-proof paper feeder comprises a frame 1, the frame 1 is provided with a first paper conveying line 2, a second paper conveying line 3, a first paper lifting mechanism 4, a second paper lifting mechanism 5 and a paper feeding mechanism 6, the first paper conveying line 2 conveys the stacked paper to the second paper conveying line 3, the second paper conveying line 3 conveys the stacked paper to a feeding position, the first paper lifting mechanism 4 conveys the stacked paper upward to the position of the paper feeding mechanism 6, after the second paper lifting mechanism 5 abuts against the bottom of the paper stack, the first paper lifting mechanism 4 is reset and lowered to a paper taking position, the paper feeding mechanism 6 feeds away one paper each time, the second paper lifting mechanism 5 controls the height of the paper stack to be lifted by one paper, when the previous stack of paper is not conveyed completely, the first paper lifting mechanism 4 can convey the next stack of paper to the bottom of the previous stack of paper, so that the previous stack of paper is stacked with the next stack of paper, after the two stacks are stacked, the paper supporting frame moves to the bottom of the next stack of paper to continue to drag the paper upward, after the paper supporting frame drags the paper stack, the first paper lifting mechanism 4 is lowered again to continue to feed the paper upward, the first paper lifting mechanism 4 and the second paper lifting mechanism 5 continuously convey the paper upward, the paper feeding mechanism 6 can continuously feed the paper one by one, without waiting time.

[0026] Preferably, the paper feeding mechanism 6 comprises a paper feeding mechanism mounting seat 61 and a paper feeding mechanism mounting beam 62, the paper feeding mechanism mounting beam 62 is provided with a linear slide rail, the paper feeding mechanism mounting seat 61 is connected to the paper feeding mechanism mounting beam 62 through a linear slide block and the linear slide rail, the paper feeding mechanism mounting seat 61 is provided with a paper feeding drive mounting plate 63, the inner side of the paper feeding drive mounting plate 63 is provided with a driving pulley 64, two driven pulleys 65 and two belt tightness adjusting pulleys 66, the two driven pulleys 65 and the driving pulley 64 are connected through a paper feeding belt 67, the two belt tightness adjusting pulleys 66 are pressed on the paper feeding belt 67, the outer side of the paper feeding drive mounting plate 63 is provided with a paper feeding servo motor 60.

[0027] Preferably, the paper feeding drive mounting plate 61 is provided with a waist-shaped hole 68 at the position corresponding to each of the two belt tightness adjusting pulleys 66, the belt tightness adjusting pulleys 66 are installed in the waist-shaped hole 68 through screws, one of the belt tightness adjusting pulleys 66 is located on one side of the driving pulley 64, and the other belt tightness adjusting pulley 66 is located on the other side of the driving pulley 64, the two belt tightness adjusting pulleys 66 can adjust the tightness of the paper feeding belt 67.

[0028] Preferably, the inner side of the paper feeding drive mounting plate 61 is further provided with a paper suction seat 69, the paper suction seat 69 is located between the two driven pulleys 65, the paper suction seat 69 is close to the paper feeding belt 67, the bottom of the paper suction seat 69 is provided with an air suction hole, the inside of the paper suction seat 69 is provided with an air suction channel, the air suction channel is connected with a vacuum pumping device through a pipeline.

[0029] Preferably, the first paper feeding lifting mechanism 4 comprises a first paper feeding lifting frame 41 and a first paper feeding lifting drive 42, the first paper feeding lifting frame 41 comprises a middle connecting plate 411 and two side connecting plates 412, the two side connecting plates 412 are respectively connected at both ends of the middle connecting plate 411, a plurality of paper supporting plates 413 are arranged on the middle connecting plate 411 in a spaced manner, the two side connecting plates 412 are respectively connected to the side of the rack 1 through slide rails and slide blocks, and the first paper feeding lifting drive 42 controls the lifting movement of the first paper feeding lifting frame 41. When the first paper feeding lifting frame 41 is lowered to take the paper stack, the paper supporting plates 413 can be lowered to a position between the two belt conveying lines, when the paper stack is located above the paper supporting plates 413, the first paper feeding lifting drive 42 controls the first paper feeding lifting frame 41 to rise, thereby driving the paper stack to rise.

[0030] Preferably, the first paper feeding lifting drive 42 comprises a first lifting control servo motor 421, two first synchronous pulleys 422 and a first synchronous belt 423, the two first synchronous pulleys 422 are connected through the first synchronous belt 423, the output shaft of the first lifting control servo motor 421 is connected to one of the first synchronous pulleys 422, the first lifting control servo motor 421 is installed on the inner side of the rack 1, and the side of the first paper feeding lifting frame 41 is connected to the first synchronous belt 423.

[0031] Preferably, the second paper feeding lifting mechanism 5 comprises a second paper feeding lifting frame 51, a paper supporting frame 52 and a second paper feeding lifting drive 53, the second paper feeding lifting drive 53 is arranged on the outer side of the rack 1, the second paper feeding lifting frame 51 is provided with a slide rail 54 and a moving control cylinder 55, the paper supporting frame 52 is slidably connected to the second paper feeding lifting frame 51 through the slide rail 54 and a slide block, and the piston rod end of the moving control cylinder 55 is connected to the side of the paper supporting frame 52. The moving control cylinder 55 can control the horizontal movement of the paper supporting frame 52 on the second paper feeding lifting frame 51.

[0032] Preferably, a plurality of paper supporting rods 56 are arranged on the paper supporting frame 52 in a spaced manner, the paper supporting rods 56 are arranged in a staggered manner with the paper supporting plates 413, and the two sides of the second paper feeding lifting frame 51 are slidably connected to the outer side of the rack 1 through slide rails and slide blocks.

[0033] Preferably, the second paper feeding lifting drive 53 comprises a second lifting control servo motor 531, two second synchronous pulleys 532 and a second synchronous belt 533, the two second synchronous pulleys 532 are connected through the second synchronous belt 533, the output shaft of the second lifting control servo motor 531 is connected to one of the second synchronous pulleys 532, the second lifting control servo motor 531 is installed on the inner side of the rack 1, and the side of the second paper feeding lifting frame 51 is connected to the second synchronous belt 533.

[0034] Preferably, the first paper feeding conveying line 2 comprises a plurality of belt conveying modules 21, the bottom of each of the plurality of belt conveying modules 21 is connected to the linear slide rail through a slide block, and the conveying belts on the plurality of belt conveying modules 21 are driven by a belt control servo motor 22.

[0035] The second paper feeding conveying line 3 comprises a plurality of belt conveying lines 31 arranged at intervals, and the belts on the plurality of belt conveying lines 31 are controlled and driven by belt control motors.

[0036] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and structures of the present application, and the scope of the present application is defined by the appended claims and their equivalent ranges.

Claims

1. A scratch-proof paper feeder comprising a frame, characterized in that, The rack is provided with a first paper feeding conveying line, a second paper feeding conveying line, a first paper feeding lifting mechanism, a second paper feeding lifting mechanism and a paper feeding flying mechanism. The first paper feeding conveying line conveys the stacked paper to the second paper feeding conveying line. The second paper feeding conveying line conveys the stacked paper to a feeding position. The first paper feeding lifting mechanism conveys the stacked paper upward to a position where the paper feeding flying mechanism feeds the paper. After the second paper feeding lifting mechanism abuts against the bottom of the paper stack, the first paper feeding lifting mechanism is reset and lowered to a paper taking position. The paper feeding flying mechanism feeds away one piece of paper each time, and the second paper feeding lifting mechanism controls the height of the paper stack to rise by one piece of paper.

2. The anti-scratch paper feeder according to claim 1, characterized in that, The paper feeding flying mechanism comprises a paper feeding flying mounting seat and a paper feeding flying mounting beam. The paper feeding flying mounting beam is provided with a linear slide rail. The paper feeding flying mounting seat is connected to the paper feeding flying mounting beam through a linear slide block and the linear slide rail. The paper feeding flying mounting seat is provided with a paper feeding driving mounting plate. The inner side of the paper feeding driving mounting plate is provided with a driving pulley, two driven pulleys and two belt tightness adjusting wheels. The two driven pulleys and the driving pulley are connected through a paper feeding belt. The two belt tightness adjusting wheels are pressed on the paper feeding belt. The outer side of the paper feeding driving mounting plate is provided with a paper feeding servo motor.

3. The anti-scratch paper feeder according to claim 2, characterized in that, The paper feeding driving mounting plate is provided with a waist-shaped hole corresponding to the position of each belt tightness adjusting wheel. One of the belt tightness adjusting wheels is located on one side of the driving pulley, and the other belt tightness adjusting wheel is located on the other side of the driving pulley. The two belt tightness adjusting wheels can adjust the tightness of the paper feeding belt.

4. The anti-scratch paper feeder according to claim 2, wherein The inner side of the paper feeding driving mounting plate is further provided with a paper suction seat. The paper suction seat is located between the two driven pulleys. The paper suction seat is close to the paper feeding belt. The bottom of the paper suction seat is provided with an air suction hole. The inside of the paper suction seat is provided with an air suction channel. The air suction channel is connected to a vacuum pumping device through a pipeline.

5. The anti-scratch paper feeder according to claim 1, wherein The first paper feeding lifting mechanism comprises a first paper feeding lifting frame and a first paper feeding lifting drive. The first paper feeding lifting frame comprises a middle connecting plate and two side connecting plates. The two side connecting plates are respectively connected to the two ends of the middle connecting plate. The middle connecting plate is provided with a plurality of paper supporting plates at intervals. The two side connecting plates are respectively connected to the side of the rack through a slide rail and a slide block. The first paper feeding lifting drive controls the lifting movement of the first paper feeding lifting frame.

6. The anti-scratch paper feeder according to claim 5, characterized in that, The first paper feeding lifting drive comprises a first lifting control servo motor, two first synchronous pulleys and a first synchronous belt. The two first synchronous pulleys are connected through the first synchronous belt. The output shaft of the first lifting control servo motor is connected to one of the first synchronous pulleys. The first lifting control servo motor is installed on the inner side of the rack. The side of the first paper feeding lifting frame is connected to the first synchronous belt.

7. The anti-scratch paper feeder according to claim 5, wherein The second paper feeding lifting mechanism comprises a second paper feeding lifting frame, a paper supporting frame and a second paper feeding lifting drive, the second paper feeding lifting drive is arranged on the outer side of the frame, the second paper feeding lifting frame is provided with a sliding rail and a moving control cylinder, the paper supporting frame is slidably connected to the second paper feeding lifting frame through the sliding rail and a sliding block, the piston rod end of the moving control cylinder is connected to the side of the paper supporting frame, and the moving control cylinder can control the horizontal movement of the paper supporting frame on the second paper feeding lifting frame.

8. The anti-scratch paper feeder according to claim 7, characterized in that, A plurality of paper supporting rods are arranged on the paper supporting frame in an interval mode, the paper supporting rods are arranged in a staggered mode with the paper supporting plate, and the two sides of the second paper feeding lifting frame are slidably connected to the outer side of the frame through the sliding rail and the sliding block.

9. The anti-scratch paper feeder according to claim 7, wherein The second paper feeding lifting drive comprises a second lifting control servo motor, two second synchronous pulleys and a second synchronous belt, the two second synchronous pulleys are connected through the second synchronous belt, the output shaft of the second lifting control servo motor is connected to one of the second synchronous pulleys, the second lifting control servo motor is installed on the inner side of the frame, and the side of the second paper feeding lifting frame is connected to the second synchronous belt.

10. The anti-scratch paper feeder according to claim 1, wherein The first paper feeding conveying line comprises a plurality of belt conveying modules, the bottom of each of the plurality of belt conveying modules is connected to a linear sliding rail through a sliding block, the conveying belts on the plurality of belt conveying modules are driven by a belt control servo motor, The second paper feeding conveying line comprises a plurality of belt conveying lines arranged in an interval mode, and the belts on the plurality of belt conveying lines are controlled and driven by a belt control motor.

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