Automatic paper feeding device for paper printing

Abstract

The utility model belongs to the technical field of paper printing, and particularly relates to an automatic paper feeding device for paper printing, which comprises a bottom plate, a stand column fixedly connected to the upper surface of the bottom plate, a supporting plate fixedly connected to the upper surface of the stand column, a paper feeding mechanism fixedly connected to the upper surface of the bottom plate, and a paper feeding mechanism fixedly connected to the lower surface of the supporting plate. A U-shaped plate is fixedly connected to the right side of the paper feeding mechanism, transverse pipes are fixedly connected to the front side and the rear side of the inner wall of the U-shaped plate, and strip-shaped holes are formed in the bottoms of the transverse pipes. According to the automatic paper feeding device for paper printing, through cooperation of a U-shaped plate, a transverse pipe, a strip-shaped hole, an adsorption support, a strip-shaped ring, a hollow rubber column, an iron column, a supporting block and an electromagnet, the position of a vacuum suction cup can be adjusted according to the size of paper, and therefore the situation that the edge of the paper is bent when the paper is adsorbed due to the fact that the vacuum suction cup is far away from the edge of the paper is prevented; and adverse effects on the paper feeding process are caused.

Description

TECHNICAL FIELD

[0001] The utility model belongs to paper printing technical field, concretely relates to a paper printing automatic paper feeding device. BACKGROUND

[0002] Printing is a technology that makes the content of original copy be batched copied by making the ink transfer to the surface of paper, textile, plastic product, leather, PVC, PC and other materials through the processes of making plate, applying ink and adding pressure.

[0003] At present, when printing paper, the paper is automatically fed into the printing equipment by the automatic paper feeding device. The existing automatic paper feeding device usually sucks the paper by the vacuum suction cup on the automatic paper feeding device, and then sends the paper fixed below the vacuum suction cup into the printing equipment by the moving mechanism of the automatic paper feeding device, such as the printing product automatic paper feeding mechanism disclosed in Chinese patent No. CN210084522U. However, since the position of the vacuum suction cup is fixed, when conveying paper of different sizes, the edge of the paper often bends when it is sucked up due to the vacuum suction cup being far away from the edge of the paper, which causes adverse effects on the paper feeding process. At the same time, when conveying paper, the paper stacked on the automatic paper feeding device often shifts, which causes adverse effects on the paper feeding process. SUMMARY

[0004] The utility model aims at providing a paper printing automatic paper feeding device, which solves the problem that the edge of the paper often bends when it is sucked up due to the vacuum suction cup being far away from the edge of the paper when the automatic paper feeding device conveys paper of different sizes, which causes adverse effects on the paper feeding process. At the same time, the utility model solves the problem that the paper stacked on the automatic paper feeding device often shifts when conveying paper, which causes adverse effects on the paper feeding process.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] The utility model provides an automatic paper feeding device for paper printing, which comprises a base plate, a vertical column fixedly connected to the upper surface of the base plate, a supporting plate fixedly connected to the upper surface of the vertical column, a paper feeding mechanism fixedly connected to the upper surface of the base plate, a U-shaped plate fixedly connected to the right side of the paper feeding mechanism, horizontal pipes fixedly connected to the front and back of the inner wall of the U-shaped plate, a strip-shaped hole formed in the bottom of the horizontal pipe, an adsorption support fixedly connected to the inner wall of the strip-shaped hole and the surface of the horizontal pipe, strip-shaped rings fixedly connected to the front and back of the inner wall of the U-shaped plate, hollow rubber columns fixedly connected to the front and back of the inner wall of the U-shaped plate, the inner wall of the strip-shaped ring and the upper and lower sides of the adsorption support, iron columns fixedly connected to the inner wall of the hollow rubber column, support blocks fixedly connected to the inner wall of the strip-shaped ring and the front and back of the inner wall of the U-shaped plate, electromagnets fixedly connected to the upper and lower sides of the support blocks, the surface of the electromagnet and the surface of the hollow rubber column, a soft tube fixedly communicated with the front of the U-shaped plate, a vacuum pump fixedly connected to the upper surface of the supporting plate, and the air inlet end of the vacuum pump and one end of the soft tube are fixedly communicated.

[0007] The utility model further comprises a first electric push rod, a mounting plate and a second electric push rod, the bottom of the first electric push rod is fixedly connected to the upper surface of the base plate, the upper surface of the first electric push rod is fixedly connected to the bottom of the mounting plate, the upper surface of the mounting plate is fixedly connected to the bottom of the second electric push rod, and the right side of the second electric push rod is fixedly connected to the left side of the U-shaped plate.

[0008] The utility model further comprises a first electric push rod, a mounting plate and a second electric push rod, the bottom of the first electric push rod is fixedly connected to the upper surface of the base plate, the upper surface of the first electric push rod is fixedly connected to the bottom of the mounting plate, the upper surface of the mounting plate is fixedly connected to the bottom of the second electric push rod, and the right side of the second electric push rod is fixedly connected to the left side of the U-shaped plate.

[0009] The utility model further comprises a first electric push rod, a mounting plate and a second electric push rod, the bottom of the first electric push rod is fixedly connected to the upper surface of the base plate, the upper surface of the first electric push rod is fixedly connected to the bottom of the mounting plate, the upper surface of the mounting plate is fixedly connected to the bottom of the second electric push rod, and the right side of the second electric push rod is fixedly connected to the left side of the U-shaped plate.

[0010] The utility model further comprises a first electric push rod, a mounting plate and a second electric push rod, the bottom of the first electric push rod is fixedly connected to the upper surface of the base plate, the upper surface of the first electric push rod is fixedly connected to the bottom of the mounting plate, the upper surface of the mounting plate is fixedly connected to the bottom of the second electric push rod, and the right side of the second electric push rod is fixedly connected to the left side of the U-shaped plate.

[0011] The utility model further sets up, the upper surface fixed connection of tray has a cushion block, the inside of tray is provided with a threaded hole, the upper surface fixed connection of tray has a hollow board, the inner wall of hollow board is pasted and is provided with fixed bolt, the surface of fixed bolt is connected with the inner wall screw thread of threaded hole, the upper surface fixed connection of hollow board has L shaped positioning board, the bottom fixed connection of hollow board has a positioning column, the surface of positioning column is pasted with the inner wall of threaded hole.

[0012] The utility model discloses technical effect obtained for:

[0013] The paper printing automatic paper feeding device of the utility model through the cooperation of U-shaped plate, horizontal pipe, strip hole, adsorption support, strip ring, hollow rubber column, iron column, supporting block and electromagnet, the position of vacuum chuck can be adjusted according to the size of paper, so that the edge of paper is prevented from bending when being sucked up due to the long distance between vacuum chuck and paper edge, and the adverse effect on paper feeding process is caused.

[0014] The paper printing automatic paper feeding device of the utility model through the cooperation of threaded hole, hollow board and fixed bolt, L shaped positioning board can be fixed on the tray, and the paper on the cushion block is positioned through L shaped positioning board, and at the same time, a plurality of threaded holes are arranged on the tray, and the fixed bolt is screwed into the threaded hole in any position, so that the distance between L shaped positioning board and tray can be changed, so that L shaped positioning board can position the paper of different sizes. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the three-dimensional schematic view of the structure of the utility model;

[0016] Figure 2 It is the top view of the bottom plate in the utility model;

[0017] Figure 3 It is the bottom view of the tray in the utility model;

[0018] Figure 4 It is the three-dimensional schematic view of the paper feeding mechanism in the utility model;

[0019] Figure 5 It is the right view of the U-shaped plate in the utility model;

[0020] Figure 6 It is the bottom view of the U-shaped plate in the utility model;

[0021] Figure 7 It is the bottom view of the horizontal pipe in the utility model;

[0022] Figure 8 It is the right view of the adsorption support in the utility model;

[0023] Figure 9is Figure 8 Cross-sectional view at A-A in the middle

[0024] Figure 10 is the three-dimensional schematic view of the hollow rubber column in the utility model

[0025] Figure 11 is the bottom view of the hollow plate in the utility model.

[0026] In the drawings, the components represented by each reference numeral are listed as follows:

[0027] 1, bottom plate; 2, stand column; 3, supporting plate; 4, paper feeding mechanism; 41, first electric push rod; 42, mounting plate; 43, second electric push rod; 5, U-shaped plate; 6, horizontal pipe; 7, strip-shaped hole; 8, adsorption support; 81, sliding pipe; 82, horizontal plate; 83, first vertical pipe; 84, electromagnetic valve; 85, second vertical pipe; 86, vacuum chuck; 87, air hole; 9, strip-shaped ring; 10, hollow rubber column; 11, iron column; 12, supporting block; 13, electromagnet; 14, hose; 15, vacuum pump; 16, hollow block; 17, guide column; 18, cushion block; 19, threaded hole; 20, hollow plate; 21, fixing bolt; 22, L-shaped positioning plate; 23, positioning column. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model will be described in detail below in conjunction with the drawings of the specification.

[0029] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, but the utility model can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the utility model, therefore the utility model is not limited by the specific embodiments disclosed below.

[0030] As Figures 1 to 10As shown, an automatic paper feeding device for paper printing includes a base plate 1, the upper surface of the base plate 1 is fixedly connected with a stand 2, the upper surface of the stand 2 is fixedly connected with a supporting plate 3, the upper surface of the base plate 1 is fixedly connected with a paper feeding mechanism 4, the right side of the paper feeding mechanism 4 is fixedly connected with a U-shaped plate 5, the inner wall of the U-shaped plate 5 is fixedly connected with a horizontal pipe 6 on the front and back sides, the bottom of the horizontal pipe 6 is provided with a strip-shaped hole 7, the inner wall of the strip-shaped hole 7 and the surface of the horizontal pipe 6 are fixedly connected with an adsorption support 8, the inner wall of the U-shaped plate 5 is fixedly connected with a strip-shaped ring 9 on the front and back sides, the inner wall of the U-shaped plate 5, the inner wall of the strip-shaped ring 9 and the upper and lower sides of the adsorption support 8 are fixedly connected with a hollow rubber column 10, the inner wall of the hollow rubber column 10 is fixedly connected with an iron column 11, the inner wall of the strip-shaped ring 9 and the front and back sides of the inner wall of the U-shaped plate 5 are fixedly connected with a supporting block 12, the upper and lower sides of the supporting block 12 are fixedly connected with an electromagnet 13, the surface of the electromagnet 13 is in contact with the surface of the hollow rubber column 10, the adsorption force of the electromagnet 13 to the iron column 11 is greater than the gravity of the hollow rubber column 10 and the iron column 11, the front surface of the U-shaped plate 5 is fixedly connected with a soft tube 14, the upper surface of the supporting plate 3 is fixedly connected with a vacuum pump 15, and the gas inlet end of the vacuum pump 15 is fixedly connected with one end of the soft tube 14.

[0031] The paper feeding mechanism 4 includes a first electric push rod 41, a mounting plate 42 and a second electric push rod 43, the bottom of the first electric push rod 41 is fixedly connected with the upper surface of the base plate 1, the upper surface of the first electric push rod 41 is fixedly connected with the bottom of the mounting plate 42, the upper surface of the mounting plate 42 is fixedly connected with the bottom of the second electric push rod 43, and the right side of the second electric push rod 43 is fixedly connected with the left side of the U-shaped plate 5.

[0032] The adsorption support 8 includes a sliding pipe 81, a horizontal plate 82, a first vertical pipe 83, a solenoid valve 84, a second vertical pipe 85, a vacuum chuck 86 and an air hole 87, the inner wall of the sliding pipe 81 is in contact with the surface of the horizontal pipe 6, the left side of the horizontal plate 82 is fixedly connected with the right side of the sliding pipe 81, the upper and lower sides of the horizontal plate 82 are in contact with the surface of the hollow rubber column 10, the top end of the first vertical pipe 83 is fixedly connected with the bottom of the sliding pipe 81, the surface of the first vertical pipe 83 is in contact with the inner wall of the strip-shaped hole 7, the upper and lower ends of the solenoid valve 84 are fixedly connected with the bottom end of the first vertical pipe 83 and the top end of the second vertical pipe 85 respectively, the bottom end of the second vertical pipe 85 is fixedly connected with the surface of the vacuum chuck 86, and the air hole 87 is provided in the vacuum chuck 86.

[0033] It should be noted that the first electric push rod 41 is used to control the up-down movement of the U-shaped plate 5, and the second electric push rod 43 is used to control the left-right movement of the U-shaped plate 5.

[0034] The hollow rubber column 10 can only move up and down in the U-shaped plate 5 through the bar ring 9. When the electromagnet 13 is turned on, the hollow rubber column 10 clamps the horizontal plate 82 through the attraction of the electromagnet 13 to the iron column 11, and the sliding pipe 81 cannot move on the horizontal pipe 6 through the friction between the horizontal plate 82 and the hollow rubber column 10. When the electromagnet 13 is turned off, the hollow rubber column 10 releases the horizontal plate 82, and the sliding pipe 81 can move back and forth on the horizontal pipe 6. At the same time, the sliding pipe 81 can only move back and forth on the horizontal pipe 6 and cannot rotate on the horizontal pipe 6 through the cooperation of the bar hole 7 and the first vertical pipe 83.

[0035] The first vertical pipe 83 and the second vertical pipe 85 are controlled by the electromagnetic valve 84. When the vacuum pump 15 is turned on, the vacuum chuck 86 can generate suction force on the paper through the vacuum pump 15, and the paper is fixed below the vacuum chuck 86 through the suction force.

[0036] As shown in Figures 1 to 4 The left side of the second electric push rod 43 is fixedly connected with the hollow block 16, and the inner wall of the hollow block 16 is attached with the guide column 17. The bottom of the guide column 17 is fixedly connected with the upper surface of the bottom plate 1.

[0037] It should be noted that the second electric push rod 43 can only move up and down through the cooperation of the guide hole and the hollow block 16.

[0038] As shown in Figures 1 to 11 The upper surface of the supporting plate 3 is fixedly connected with the pad 18. The inside of the supporting plate 3 is provided with a threaded hole 19. The upper surface of the supporting plate 3 is fixedly connected with the hollow plate 20. The inner wall of the hollow plate 20 is attached with the fixed bolt 21. The surface of the fixed bolt 21 is threadedly connected with the inner wall of the threaded hole 19. The upper surface of the hollow plate 20 is fixedly connected with the L-shaped positioning plate 22. The bottom of the hollow plate 20 is fixedly connected with the positioning column 23. The surface of the positioning column 23 is attached with the inner wall of the threaded hole 19.

[0039] It should be noted that when the fixed bolt 21 is screwed into the threaded hole 19, the L-shaped positioning plate 22 can be fixed on the supporting plate 3 through the cooperation of the threaded hole 19, the hollow plate 20 and the fixed bolt 21, and the paper on the pad 18 can be positioned through the L-shaped positioning plate 22. At the same time, a plurality of threaded holes 19 are arranged on the supporting plate 3, and the fixed bolt 21 is screwed into the threaded hole 19 at any position, so that the distance between the L-shaped positioning plate 22 and the supporting plate 3 can be changed, so that the L-shaped positioning plate 22 can position paper of different sizes. When the hollow plate 20 is fixed on the supporting plate 3, the L-shaped positioning plate 22 cannot rotate through the cooperation of the positioning column 23 and the threaded hole 19.

[0040] The working principle of the utility model is as follows: first, place the paper on the cushion block 18, and position the paper through the L-shaped positioning plate 22, then, adjust the position of the vacuum chuck 86 on the horizontal pipe 6 according to the size of the paper, when adjusting the position of the vacuum chuck 86, first, close the electromagnet 13, so that the hollow rubber column 10 releases the horizontal plate 82, then, by moving the sliding pipe 81, the position of the vacuum chuck 86 can be changed, when the vacuum chuck 86 is adjusted to the appropriate position, open the electromagnet 13, through the suction force of the electromagnet 13 on the iron column 11, the hollow rubber column 10 clamps the horizontal plate 82, and through the friction between the horizontal plate 82 and the hollow rubber column 10, the sliding pipe 81 cannot move on the horizontal pipe 6.

[0041] Then, according to the paper opening, the electromagnetic valve 84 corresponding to the paper is opened, and the remaining electromagnetic valves 84 are closed, then, through the first electric push rod 41, the vacuum chuck 86 contacts the paper, and through the opening of the vacuum pump 15, the vacuum chuck 86 sucks the paper, then, through the cooperation of the first electric push rod 41 and the second electric push rod 43, the paper fixed below the vacuum chuck 86 is sent into the printing equipment, and the vacuum pump 15 is closed, so that the vacuum chuck 86 releases the paper, at this time, the paper can automatically enter the printing equipment.

[0042] The above is only the preferred embodiment of the utility model, it should be pointed out that, for ordinary skilled person in the art, without departing from the principle of the utility model, can make a number of improvements and refinements, these improvements and refinements should also be considered as the protection scope of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model, if no special description and limitation, are implemented according to the conventional means in the art.

Claims

1. A paper printing automatic paper feeding device, characterized by: The utility model provides a paper feeding mechanism, including the bottom plate (1), the upper surface of bottom plate (1) is fixedly connected with stand (2), the upper surface of stand (2) is fixedly connected with the supporting plate (3), the upper surface of bottom plate (1) is fixedly connected with paper feeding mechanism (4), the right side of paper feeding mechanism (4) is fixedly connected with U-shaped plate (5), the front and back sides of U-shaped plate (5) inner wall all are fixedly connected with horizontal pipe (6), the bottom of horizontal pipe (6) is equipped with strip hole (7), the inner wall of strip hole (7) and the surface of horizontal pipe (6) all are fixedly connected with adsorption support (8), the front and back sides of U-shaped plate (5) inner wall all are fixedly connected with strip ring (9), the front and back sides of U-shaped plate (5) inner wall, the inner wall of strip ring (9) and the upper and lower sides of adsorption support (8) all are fixedly connected with hollow rubber column (10), the inner wall of hollow rubber column (10) is fixedly connected with iron column (11), the inner wall of strip ring (9) and the front and back sides of U-shaped plate (5) inner wall all are fixedly connected with support block (12), the upper and lower sides of support block (12) all are fixedly connected with electromagnet (13), the surface of electromagnet (13) and the surface of hollow rubber column (10) are pasted, the front of U-shaped plate (5) is fixedly connected with the soft tube (14) of intercommunication, the upper surface of supporting plate (3) is fixedly connected with vacuum pump (15), the air inlet end of vacuum pump (15) and one end of soft tube (14) are fixedly connected with intercommunication.

2. The paper printing automatic paper feeding device according to claim 1, characterized in that: The paper feeding mechanism (4) includes a first electric push rod (41), a mounting plate (42) and a second electric push rod (43), the bottom of the first electric push rod (41) is fixedly connected with the upper surface of the bottom plate (1), the upper surface of the first electric push rod (41) is fixedly connected with the bottom of the mounting plate (42), the upper surface of the mounting plate (42) is fixedly connected with the bottom of the second electric push rod (43), and the right side of the second electric push rod (43) is fixedly connected with the left side of the U-shaped plate (5).

3. The paper printing automatic paper feeding device according to claim 1, characterized in that: The adsorption support (8) includes a sliding pipe (81), a horizontal plate (82), a first vertical pipe (83), a solenoid valve (84), a second vertical pipe (85), a vacuum chuck (86) and an air hole (87), the inner wall of the sliding pipe (81) is pasted with the surface of the horizontal pipe (6), the left side of the horizontal plate (82) is fixedly connected with the right side of the sliding pipe (81), the upper and lower sides of the horizontal plate (82) are pasted with the surface of the hollow rubber column (10), the top end of the first vertical pipe (83) is fixedly connected with the bottom of the sliding pipe (81), the surface of the first vertical pipe (83) is pasted with the inner wall of the strip hole (7), the upper and lower ends of the solenoid valve (84) are respectively fixedly connected with the bottom end of the first vertical pipe (83) and the top end of the second vertical pipe (85), the bottom end of the second vertical pipe (85) is fixedly connected with the surface of the vacuum chuck (86), and the air hole (87) is arranged in the vacuum chuck (86).

4. The paper printing automatic paper feeding device according to claim 1, characterized in that: The suction force of the electromagnet (13) on the iron column (11) is greater than the gravity of the hollow rubber column (10) and the iron column (11).

5. The paper printing automatic paper feeding device according to claim 2, characterized in that: The left side of the second electric push rod (43) is fixedly connected with a hollow block (16), the inner wall of the hollow block (16) is attached with a guide column (17), and the bottom of the guide column (17) is fixedly connected with the upper surface of the bottom plate (1).

6. The paper printing automatic paper feeding device according to claim 1, characterized in that: The upper surface of the supporting plate (3) is fixedly connected with a pad (18), the inside of the supporting plate (3) is provided with a threaded hole (19), the upper surface of the supporting plate (3) is fixedly connected with a hollow plate (20), the inner wall of the hollow plate (20) is attached with a fixed bolt (21), the surface of the fixed bolt (21) is threadedly connected with the inner wall of the threaded hole (19), the upper surface of the hollow plate (20) is fixedly connected with an L-shaped positioning plate (22), the bottom of the hollow plate (20) is fixedly connected with a positioning column (23), and the surface of the positioning column (23) is attached with the inner wall of the threaded hole (19).

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