Paper printing processing turnover mechanism

Abstract

The utility model relates to the technical field of printing equipment, in particular to a paper printing processing turnover mechanism which comprises a first stepping conveyor, a second stepping conveyor, a third stepping conveyor, a fourth stepping conveyor, a turnover mechanism, a first printing device and a second printing device. The second printing device is located above the fourth stepping conveyor, the turnover mechanism is located between the second stepping conveyor and the third stepping conveyor, paper is conveyed to the second stepping conveyor through the first stepping conveyor, printing processing is conducted on the front face of the paper, then the turnover mechanism is used for turning over the paper to the third stepping conveyor, and printing processing is conducted on the front face of the paper. Compared with the prior art, the paper turnover device has the advantage that the problem of low printing processing efficiency caused by manual paper turnover can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of printing equipment, in particular to a paper printing and processing turning mechanism. Background Art

[0002] In the process of paper printing, it is usually necessary to print on both sides of the paper. However, most of the existing printing machines can only print on one side at a time when performing double-sided printing, and then manually take out and turn over to print the other side. Although the paper is fully utilized, the printing speed is slow in actual operation. Especially when printing batches of paper, a large amount of manpower is required, which is not conducive to efficient and fast printing. Therefore, a paper printing and processing turning mechanism is urgently needed to solve the problem of low efficiency of paper printing due to manual turning. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a paper printing and processing turning mechanism to solve the problem of low printing efficiency caused by manual turning of paper.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a paper printing and processing turning mechanism, comprising:

[0005] frame:

[0006] A feeding device, the feeding device comprises a first stepping conveyor and a second stepping conveyor, the belt width of the first stepping conveyor is greater than the width of the paper, the belt width of the second stepping conveyor is less than the wide end of the paper, and the end of the first stepping conveyor is located at the beginning of the second stepping conveyor;

[0007] The discharging device includes a third stepping conveyor and a fourth stepping conveyor, the belt surface width of the third stepping conveyor is the same as that of the second stepping conveyor motor, and the belt surface width of the first stepping conveyor is the same as that of the fourth stepping conveyor;

[0008] The first stepping conveyor, the second stepping conveyor, the third stepping conveyor and the fourth stepping conveyor are arranged in sequence along the X direction;

[0009] A first printing device, the first printing device is located above the first step conveyor, and the printing device includes an ink cartridge, a lifting telescopic rod and a printing head;

[0010] The flipping mechanism includes a limit device and a connecting block. The connecting block is rotatably connected to the frame, and the axial direction of rotation is the Y direction. The connecting block is located between the second stepping conveyor and the third stepping conveyor. The limit device is connected to one side of the connecting block. The limit device includes two limit plates. The two limit plates are symmetrically connected to the connecting block with the center of the second stepping conveyor belt surface. The limit plate is provided with a strip groove. The opening of the strip groove faces the opposite side of the X direction. The bottom of the inner wall of the strip groove is flush with the belt surface of the second stepping conveyor. A limit opening is provided on one side of the X direction of the strip groove.

[0011] A first driving member, used to drive the connecting block to rotate;

[0012] A pressing block, the pressing block is located above the limiting opening of the limiting plate, the pressing block is movably connected to the connecting block along the vertical direction, and the pressing block is located just above the limiting opening;

[0013] A second driving member, the second driving member is used to drive the pressing block to move;

[0014] A second printing device, the second printing device is located above the fourth stepping conveyor, and the mechanism of the second printing device is the same as that of the first printing device;

[0015] Laser sensor: the laser sensor is located above the limit device;

[0016] The first driving member is used to drive the connecting block to switch between the first state and the second state;

[0017] In the first state, the two limit plates are located on both sides of the second stepping conveyor, and the pressing block is located above the limit opening;

[0018] In the second state, the two limit plates are located on both sides of the third stepping conveyor, and the pressing block is located below the limit opening.

[0019] Furthermore, the first driving component is a rotating motor, a cylinder of the rotating motor is connected to the frame, the axial direction of the rotating motor is located in the Y direction, and the connecting block is drivingly connected to the rotating motor.

[0020] Furthermore, the second driving member is a pneumatic cylinder or an electric push cylinder.

[0021] Furthermore, a first pressing roller and a second pressing roller are provided on the frame, the first pressing roller is located at the beginning of the first stepping conveyor, and the second pressing roller is located at the end of the fourth stepping conveyor.

[0022] Furthermore, an inclined first guide plate and an inclined second guide plate are provided on the frame, the first guide plate is located above the second stepping conveyor, the second guide plate is located above the third stepping conveyor, the first guide plate is parallel to the second guide plate, in the first state, the first guide plate is located on the X-direction opposite side of the limiting device, and the lower end of the first guide plate faces the opening of the strip groove, and in the second state, the second guide plate is located on the X-direction side of the limiting device, and the lower end of the second guide plate is away from the opening of the strip groove.

[0023] The beneficial effect of the utility model is that, compared with the prior art, the problem of low printing processing efficiency caused by manual paper turning can be solved through the turning mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a structural schematic diagram of a paper printing and processing turning mechanism according to a specific implementation mode of the utility model;

[0025] Figure 2 It is a structural side view of a paper printing and processing turning mechanism according to a specific embodiment of the utility model;

[0026] Figure 3 for Figure 1 A magnified view of part A;

[0027] Figure 4 for Figure 1 Enlarged view of part B.

[0028] Description of symbols

[0029] 1. Frame; 11. First pressing roller; 12. Second pressing roller; 13. First guide plate; 14. Second guide plate;

[0030] 2. Feeding device; 21. First stepping conveyor; 22. Second stepping conveyor;

[0031] 3. Discharging device; 31. Third stepping conveyor; 32. Fourth stepping conveyor;

[0032] 4. First printing device; 41. Ink cartridge; 42. Lifting and telescopic rod; 43. Printing head;

[0033] 5. Turning mechanism; 51. Limiting device; 511. Limiting plate; 5111. Strip groove; 52. Connecting block;

[0034] 6. A first driving member;

[0035] 7. Briquetting;

[0036] 8. A second driving member;

[0037] 9. A second printing device;

[0038] 10. Laser sensor. DETAILED DESCRIPTION

[0039] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following is an explanation in conjunction with the implementation modes and the accompanying drawings.

[0040] Please refer to Figures 1 to 4 , a paper printing and processing turning mechanism, comprising:

[0041] Rack 1:

[0042] The feeding device 2 includes a first stepping conveyor 21 and a second stepping conveyor 22. The belt width of the first stepping conveyor 21 is greater than the width of the paper, and the belt width of the second stepping conveyor 22 is less than the wide end of the paper. The end of the first stepping conveyor 21 is located at the beginning of the second stepping conveyor 22.

[0043] The discharging device 3 includes a third stepping conveyor 31 and a fourth stepping conveyor 32. The belt surface width of the third stepping conveyor 31 is the same as that of the second stepping conveyor 22. The belt surface width of the first stepping conveyor 21 is the same as that of the fourth stepping conveyor 32.

[0044] The first stepping conveyor 21, the second stepping conveyor 22, the third stepping conveyor 31 and the fourth stepping conveyor 32 are sequentially arranged along the X direction;

[0045] A first printing device 4, which is located above the first step conveyor 21, and includes an ink cartridge 41, a lifting and telescopic rod 42 and a printing head 43;

[0046] The turning mechanism 5 includes a limit device and a connecting block 52. The connecting block 52 is rotatably connected to the frame 1, and the axial direction of rotation is the Y direction. The connecting block 52 is located between the second stepping conveyor 22 and the third stepping conveyor 31. The limit device is connected to one side of the connecting block 52. The limit device includes two limit plates 511. The two limit plates 511 are symmetrically connected to the connecting block 52 with the center of the second stepping conveyor belt surface. The limit plates 511 are provided with a strip groove 5111. The opening of the strip groove 5111 faces the opposite side of the X direction. The bottom of the inner wall of the strip groove 5111 is flush with the belt surface of the second stepping conveyor 22. A limit opening is provided on one side of the X direction of the strip groove 5111.

[0047] A first driving member 6, used for driving the connecting block 52 to rotate;

[0048] The pressing block 7 is located above the limiting opening of the limiting plate 511. The pressing block 7 is movably connected to the connecting block 52 along the vertical direction. The pressing block 7 is located directly above the limiting opening.

[0049] A second driving member 8, the second driving member 8 is used to drive the pressing block 7 to move;

[0050] A second printing device 9, which is located above the fourth stepping conveyor 32, and has the same mechanism as the first printing device 4;

[0051] A laser sensor 10, wherein the laser sensor 10 is located above the limiting device;

[0052] The first driving member 6 is used to drive the connecting block 52 to switch between the first state and the second state;

[0053] In the first state, the two limit plates 511 are located on both sides of the second stepping conveyor 22, and the pressing block 7 is located above the limit opening;

[0054] In the second state, the two limiting plates 511 are located on both sides of the third stepping conveyor 31, and the pressing block 7 is located below the limiting opening.

[0055] In the above embodiment, the first driving member 6 drives the connecting block 52 to rotate to the first state, and the paper is placed at the beginning of the first stepping conveyor. During the transportation process, the lifting and telescopic rod 42 of the first printing device 4 can be used to adjust the printing height according to the height of the paper, so that the printing head 43 prints on the front side of the paper, and then the paper with the front side printed is transported from the first stepping conveyor 21 to the second stepping conveyor 22, and the second stepping conveyor 22 transports the paper to the limiting device 51. When the laser sensor 10 senses the paper, the second driving member 8 drives the pressing The block 7 moves downward, and the pressing block 7 fixes the paper in the limiting device through the limiting opening, and then the first driving member 6 drives the connecting block 52 to rotate 180°, switching from the first state to the second state, and then the second driving member 8 drives the pressing block 7 to retract, and the pressing block 7 is separated from the paper, and then the paper is conveyed to the fourth stepping conveyor 32 along the third stepping conveyor 31, and then the back of the paper is printed through the second printing device 9, and the double-sided printing of the paper is completed. Compared with the prior art, the flipping mechanism 5 can solve the problem of low printing processing efficiency caused by manual flipping of the paper.

[0056] As an optional implementation, the first driving member 6 is a rotary motor, the cylinder of the rotary motor is connected to the frame 1, the axial direction of the rotary motor is located in the Y direction, and the connecting block 52 is drivingly connected to the rotary motor.

[0057] In the above embodiment, the connecting block 52 is driven by the rotary motor to rotate 180°, so that the connecting block 52 can be switched between the first state and the second state, thereby completing the double-sided printing process of the paper.

[0058] As an optional implementation, the second driving member 8 is a pneumatic cylinder or an electric push cylinder.

[0059] As an optional implementation, a first pressing roller 11 and a second pressing roller 12 are provided on the frame 1 , the first pressing roller 11 is located at the beginning of the first stepping conveyor 21 , and the second pressing roller 12 is located at the end of the fourth stepping conveyor 32 .

[0060] In the above embodiment, the first pressing roller 11 can flatten the paper, thereby ensuring the printing quality, and the second pressing roller 12 can smoothly convey the paper out of the fourth step conveyor 32 .

[0061] As an optional embodiment, an inclined first guide plate 13 and an inclined second guide plate 14 are provided on the frame 1. The first guide plate 13 is located above the second stepping conveyor 22, and the second guide plate 14 is located above the third stepping conveyor. The first guide plate 13 is parallel to the second guide plate 14. In the first state, the first guide plate 13 is located on the X-direction opposite side of the limiting device, and the lower end of the first guide plate 13 faces the opening of the strip groove 5111. In the second state, the second guide plate 14 is located on the X-direction side of the limiting device 51, and the lower end of the second guide plate 14 is away from the opening of the strip groove 5111.

[0062] In the above embodiment, the first guide plate 13 can smoothly guide the paper into the strip groove 5111 of the limiting device, and then the second guide plate 14 can smoothly guide the paper from the strip groove 5111 of the limiting device to the third step conveyor 31, and then the third step conveyor 31 transports the paper to the fourth step conveyor for printing processing. The above-mentioned first guide plate 13 and second guide plate 14 can improve the efficiency of printing processing.

[0063] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A paper printing and processing turning mechanism, characterized in that: include: frame: A feeding device, the feeding device comprises a first stepping conveyor and a second stepping conveyor, the belt width of the first stepping conveyor is greater than the width of the paper, the belt width of the second stepping conveyor is less than the wide end of the paper, and the end of the first stepping conveyor is located at the beginning of the second stepping conveyor; The discharging device includes a third stepping conveyor and a fourth stepping conveyor, the belt surface width of the third stepping conveyor is the same as that of the second stepping conveyor motor, and the belt surface width of the first stepping conveyor is the same as that of the fourth stepping conveyor; The first stepping conveyor, the second stepping conveyor, the third stepping conveyor and the fourth stepping conveyor are arranged in sequence along the X direction; A first printing device, the first printing device is located above the first step conveyor, and the printing device includes an ink cartridge, a lifting telescopic rod and a printing head; The flipping mechanism includes a limit device and a connecting block. The connecting block is rotatably connected to the frame, and the axial direction of rotation is the Y direction. The connecting block is located between the second stepping conveyor and the third stepping conveyor. The limit device is connected to one side of the connecting block. The limit device includes two limit plates. The two limit plates are symmetrically connected to the connecting block with the center of the second stepping conveyor belt surface. The limit plate is provided with a strip groove. The opening of the strip groove faces the opposite side of the X direction. The bottom of the inner wall of the strip groove is flush with the belt surface of the second stepping conveyor. A limit opening is provided on one side of the X direction of the strip groove. A first driving member, used to drive the connecting block to rotate; A pressing block, the pressing block is located above the limiting opening of the limiting plate, the pressing block is movably connected to the connecting block along the vertical direction, and the pressing block is located just above the limiting opening; A second driving member, the second driving member is used to drive the pressing block to move; A second printing device, the second printing device is located above the fourth stepping conveyor, and the mechanism of the second printing device is the same as that of the first printing device; Laser sensor: the laser sensor is located above the limit device; The first driving member is used to drive the connecting block to switch between the first state and the second state; In the first state, the two limit plates are located on both sides of the second stepping conveyor, and the pressing block is located above the limit opening; In the second state, the two limit plates are located on both sides of the third stepping conveyor, and the pressing block is located below the limit opening.

2. The paper printing and processing turning mechanism according to claim 1, characterized in that: The first driving component is a rotary motor, a cylinder body of the rotary motor is connected to the frame, the axial direction of the rotary motor is located in the Y direction, and the connecting block is drivingly connected to the rotary motor.

3. The paper printing and processing turning mechanism according to claim 1, characterized in that: The second driving member is a pneumatic cylinder or an electric push cylinder.

4. The paper printing and processing turning mechanism according to claim 1, characterized in that: A first pressing roller and a second pressing roller are arranged on the frame, the first pressing roller is located at the beginning of the first stepping conveyor, and the second pressing roller is located at the end of the fourth stepping conveyor.

5. The paper printing and processing turning mechanism according to claim 1, characterized in that: An inclined first guide plate and an inclined second guide plate are provided on the frame. The first guide plate is located above the second stepping conveyor, and the second guide plate is located above the third stepping conveyor. The first guide plate is parallel to the second guide plate. In the first state, the first guide plate is located on the X-direction opposite side of the limiting device, and the lower end of the first guide plate faces the opening of the strip groove. In the second state, the second guide plate is located on the X-direction side of the limiting device, and the lower end of the second guide plate is away from the opening of the strip groove.

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