Paper receiving mechanism of screen printing machine

Abstract

The utility model relates to the technical field of paper receiving mechanisms, in particular to a paper receiving mechanism of a screen printing machine, which is convenient for correcting the position of paper, improving the accuracy of paper printing, improving the printing quality, improving the convenience of automatic paper conveying and improving the working efficiency. Comprising a supporting table and a printing table arranged on the supporting table. The printing device comprises a supporting table, a printing table, a moving device, a correcting device, a collecting device, multiple sets of first pushing cylinders, two sets of pushing plates and two sets of pushing blocks, the moving device is arranged on the supporting table, the printing table is installed at the output end of the moving device, the moving device is used for driving the printing table to move, and the multiple sets of first pushing cylinders are all installed on the outer side wall of the printing table. The two sets of pushing plates are oppositely installed at the moving ends of the multiple sets of first pushing cylinders, the two sets of pushing blocks are both installed on the correcting device, the correcting device is used for driving the two sets of pushing blocks to move oppositely, and the collecting device is arranged on the side of the supporting table and used for collecting printed paper.

Description

Technical Field

[0001] The utility model relates to the technical field of paper splicing mechanisms, in particular to a paper splicing mechanism of a screen printing machine. Background Art

[0002] Screen printing machine has become an indispensable and important equipment in the printing industry with its unique printing method and wide application fields. Among the many components of screen printing machine, the paper feeding mechanism is a crucial link, and its design and performance directly affect the printing quality and production efficiency.

[0003] As in the patent with prior art authorization announcement number CN208978445U, the utility model discloses a paper receiving mechanism of a screen printing machine, including a frame and a tooth row component installed on the frame, the tooth row component includes an upper biting tooth, a lower biting tooth, a directional shaft and an opening tooth rotating shaft, the directional shaft and the opening tooth rotating shaft are installed on the frame, the occlusal ends of the upper biting tooth and the lower biting tooth cooperate with each other, it is characterized in that the mounting end of the upper biting tooth is fixedly mounted on the directional shaft, the mounting end of the lower biting tooth is fixedly mounted on the opening tooth rotating shaft, and the mounting end of the lower biting tooth is loosely sleeved on the directional shaft, and the upper biting tooth is provided with a groove or notch for the lower biting tooth to be embedded.

[0004] However, during the use of this mechanism, it was found that it is not convenient to correct the paper after receiving it, which reduces the accuracy of paper transportation, and this mechanism is not convenient to collect the paper after printing, which reduces the convenience of use. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a paper receiving mechanism for a screen printing machine which is convenient for correcting the position of paper, improving the accuracy of paper printing, improving the printing quality, improving the convenience of automatic paper transportation, and improving work efficiency.

[0006] A paper receiving mechanism of a screen printing machine of the present utility model includes a support table and a printing table, and the printing table is arranged on the support table; it further includes a moving device, a calibration device, a paper collection device, multiple groups of first push cylinders, two push plates and two push blocks. The moving device is arranged on the support table, the printing table is installed at the output end of the moving device, and the moving device is used to drive the printing table to move its position. Multiple groups of first push cylinders are all installed on the outer side wall of the printing table, the two push plates are oppositely installed on the moving ends of the multiple groups of first push cylinders, and the two push blocks are both installed on the calibration device. The calibration device is used to drive the two push blocks to move towards each other. The paper collection device is arranged on the side of the support table and is used to collect the paper after printing is completed; when the printing table picks up the paper, the paper falls between the two push plates. The two push plates are driven to move towards each other by multiple groups of first push cylinders, so that the two push plates correct and limit the left and right sides of the paper. Then the moving device drives the printing table to move to the right, so that the printing table drives the paper to move between the two push blocks. Then the two push blocks are driven to move closer to each other by the calibration device, so that the two push blocks push and correct the front and back sides of the paper. Then the printing table continues to move to the right, thereby improving the accuracy of paper printing and the quality of paper printing. After the paper printing is completed, the paper on the printing table is automatically picked up and conveyed by the paper collection device, thereby improving the convenience of automatic paper conveyance by the mechanism and improving work efficiency.

[0007] Preferably, the paper collection device includes a base, a conveyor belt, a guide rail, a bracket, a second push cylinder, a suction cup and a third push cylinder. The base is arranged on the side of the support table, the conveyor belt is installed at the top of the base, the guide rail is installed on the outer side wall of the base, the bottom end of the bracket is slidably installed on the guide rail, the fixed ends of multiple groups of second push cylinders are all installed on the bracket, multiple suction cups are respectively installed on the moving ends of the multiple groups of second push cylinders, the fixed end of the third push cylinder is installed on the outer side wall of the base, and the moving end of the third push cylinder is connected to the outer side wall of the bracket; the printing table conveys the paper after printing is completed to the right part of the support table. Then the bracket is driven to move forward by the third push cylinder, so that the bracket drives multiple suction cups to move above the paper. Multiple suction cups are driven to move downward by multiple groups of second push cylinders, so that the multiple suction cups pick up one side of the paper. Then the third push cylinder drives the bracket to move backward, so that the bracket drives the paper to move to the top of the conveyor belt. Then the conveyor belt rotates to convey the paper after printing is completed, improving the convenience of use of the mechanism.

[0008] Preferably, the correction device includes a first tank body, a slider, a bidirectional lead screw, and a first motor. The first tank body is installed at the bottom of the outer side wall of the support table, and a through groove is provided on the support table. Both groups of sliders pass through the through groove and are slidably installed on the first tank body. The bidirectional lead screw is rotatably installed on the inner side wall of the first tank body. Both groups of sliders are respectively screwed onto the outer side wall of the bidirectional lead screw. Both groups of pushing blocks are oppositely installed on the outer side walls of the two groups of sliders. The first motor is installed on the outer side wall of the first tank body, and the output end of the first motor is connected to the bidirectional lead screw. By driving the bidirectional lead screw to rotate through the first motor, the bidirectional lead screw drives the two groups of sliders to move closer to each other, so that the two groups of sliders drive the two groups of pushing blocks to move oppositely, and then limit and correct the front and rear sides of the paper, improving the convenience of correcting the paper in different directions.

[0009] Preferably, the moving device includes a second tank body, a unidirectional lead screw, and a second motor. The second tank body is installed at the top of the support table. The unidirectional lead screw is rotatably installed on the inner side wall of the second tank body. The bottom of the printing table is slidably installed on the second tank body, and the bottom of the printing table is screwed onto the outer side wall of the unidirectional lead screw. The second motor is installed on the outer side wall of the second tank body, and the output end of the second motor is connected to the unidirectional lead screw. By driving the unidirectional lead screw to rotate through the second motor, the unidirectional lead screw drives the printing table to move left and right, thereby improving the convenience of the printing table for paper feeding.

[0010] Preferably, it further includes two groups of laser sensors, which are respectively installed on the outer side walls of the front and rear ends of the support table. After the paper is conveyed to the top of the printing table, the front and rear end positions of the paper are detected by the two groups of laser sensors. When it is detected that the position of the paper is offset front and back, the correction device is controlled by the controller to correct the front and rear ends of the paper.

[0011] Preferably, it further includes a cover body and multiple groups of fans. The cover body is installed at the top of the base, and multiple groups of fans are all installed on the cover body. When the conveyor belt moves and conveys the printed paper, the surface of the paper is blown by the multiple groups of fans, thereby improving the drying speed of the ink on the paper.

[0012] Preferably, it further includes an electric heating tube, which is installed on the inner side wall of the cover body and is arranged below the multiple groups of fans. The air blown by the fans is heated by the electric heating tube, so that the hot air dries the ink, improving the drying efficiency of the ink.

[0013] The beneficial effects of the present utility model compared with the prior art are as follows: After the printing table picks up the paper, the paper is located between two sets of pushing plates. Through multiple sets of first pushing cylinders, the two sets of pushing plates are pushed to move towards each other, so that the left and right sides of the paper are corrected and limited by the two sets of pushing plates. Then, the moving device drives the printing table to move to the right, so that the printing table drives the paper to move between two sets of pushing blocks. Then, the correction device drives the two sets of pushing blocks to move closer to each other, so that the two sets of pushing blocks push and correct the front and back sides of the paper. Then, the printing table continues to move to the right, thereby improving the accuracy of paper printing and the quality of paper printing. After the paper printing is completed, the collecting device conveys the paper on the printing table from the self-feeding and picking-up, thereby improving the convenience of the mechanism for automatically conveying the paper and improving the working efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is an axonometric structural schematic diagram of the present utility model;

[0015] Figure 2 is an axonometric partial structural schematic diagram of the connection between the first pushing cylinder and the pushing plate, etc.;

[0016] Figure 3 is an axonometric partial structural schematic diagram of the connection between the bracket and the second pushing cylinder, etc.;

[0017] Figure 4 is an axonometric structural schematic diagram of the connection between the support table and the laser sensor, etc.;

[0018] Figure 5 is an axonometric structural schematic diagram of the connection between the second groove body and the support table, etc.

[0019] Reference numerals in the drawings: 1, support table; 2, printing table; 3, first pushing cylinder; 4, pushing plate; 5, pushing block; 6, base; 7, conveyor belt; 8, guide rail; 9, bracket; 10, second pushing cylinder; 11, suction cup; 12, third pushing cylinder; 13, first groove body; 14, slider; 15, bidirectional lead screw; 16, first motor; 17, second groove body; 18, unidirectional lead screw; 19, second motor; 20, laser sensor; 21, cover body; 22, fan; 23, electric heating tube. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided so that the disclosure of the present utility model is more thorough and comprehensive.

[0021] Embodiment 1

[0022] As Figures 1 to 5As shown in the figure, a paper receiving mechanism of a screen printing machine of the present utility model includes a support table 1 and a printing table 2, and the printing table 2 is arranged on the support table 1; it further includes a moving device, a correction device, a receiving device, multiple groups of first push cylinders 3, two groups of push plates 4 and two groups of push blocks 5. A moving device is arranged on the support table 1, and the printing table 2 is installed at the output end of the moving device. The moving device is used to drive the printing table 2 to move positions. Multiple groups of first push cylinders 3 are all installed on the outer side wall of the printing table 2. Two groups of push plates 4 are oppositely installed on the moving ends of multiple groups of first push cylinders 3. Two groups of push blocks 5 are both installed on the correction device. The correction device is used to drive the two groups of push blocks 5 to move towards each other. The receiving device is arranged on the side of the support table 1, and the receiving device is used to receive the paper after printing is completed;

[0023] As Figure 3 shown, the receiving device includes a base 6, a conveyor belt 7, a guide rail 8, a bracket 9, a second push cylinder 10, a suction cup 11 and a third push cylinder 12. The base 6 is arranged on the side of the support table 1. The conveyor belt 7 is installed at the top of the base 6. The guide rail 8 is installed on the outer side wall of the base 6. The bottom end of the bracket 9 is slidably installed on the guide rail 8. The fixed ends of multiple groups of second push cylinders 10 are all installed on the bracket 9. Multiple groups of suction cups 11 are respectively installed on the moving ends of multiple groups of second push cylinders 10. The fixed end of the third push cylinder 12 is installed on the outer side wall of the base 6. The moving end of the third push cylinder 12 is connected to the outer side wall of the bracket 9;

[0024] In this embodiment, when the printing table 2 picks up the paper, the paper falls between the two groups of push plates 4. Multiple groups of first push cylinders 3 are used to push the two groups of push plates 4 to move towards each other, so that the two groups of push plates 4 correct and limit the left and right sides of the paper. Then the moving device drives the printing table 2 to move to the right, so that the printing table 2 drives the paper to move between the two groups of push blocks 5. Then the correction device drives the two groups of push blocks 5 to move closer to each other, so that the two groups of push blocks 5 push and correct the front and back sides of the paper. Then the printing table 2 continues to move to the right, thereby improving the accuracy of paper printing and the quality of paper printing. After the paper printing is completed, the receiving device picks up and conveys the paper on the printing table 2 automatically, thereby improving the convenience of the mechanism for automatically conveying the paper and improving the work efficiency.

[0025] Embodiment 2

[0026] On the basis of Embodiment 1, as Figure 2As shown in the figure, a paper receiving mechanism of a screen printing machine of the present utility model. The calibration device includes a first trough 13, a slider 14, a bidirectional lead screw 15 and a first motor 16. The first trough 13 is installed at the bottom of the outer wall of the support table 1, and a through groove is provided on the support table 1. Both groups of sliders 14 pass through the through groove and are slidably installed on the first trough 13. The bidirectional lead screw 15 is rotatably installed on the inner side wall of the first trough 13. Both groups of sliders 14 are respectively screwed on the outer side wall of the bidirectional lead screw 15. Both groups of pushing blocks 5 are oppositely installed on the outer side walls of both groups of sliders 14. The first motor 16 is installed on the outer side wall of the first trough 13, and the output end of the first motor 16 is connected to the bidirectional lead screw 15;

[0027] As Figure 2 shown in the figure, the moving device includes a second trough 17, a unidirectional lead screw 18 and a second motor 19. The second trough 17 is installed at the top of the support table 1. The unidirectional lead screw 18 is rotatably installed on the inner side wall of the second trough 17. The bottom of the printing table 2 is slidably installed on the second trough 17, and the bottom of the printing table 2 is screwed on the outer side wall of the unidirectional lead screw 18. The second motor 19 is installed on the outer side wall of the second trough 17, and the output end of the second motor 19 is connected to the unidirectional lead screw 18;

[0028] As Figure 1 shown in the figure, it further includes two groups of laser sensors 20, and the two groups of laser sensors 20 are respectively installed on the outer side walls of the front and rear ends of the support table 1;

[0029] As Figure 3 shown in the figure, it further includes a cover 21 and multiple groups of fans 22. The cover 21 is installed at the top of the base 6, and multiple groups of fans 22 are all installed on the cover 21;

[0030] As Figure 3 shown in the figure, it further includes a heating tube 23. The heating tube 23 is installed on the inner side wall of the cover 21, and the heating tube 23 is arranged below the multiple groups of fans 22;

[0031] In this embodiment, the printing table 2 conveys the printed paper to the right part of the support table 1. Then, the third push cylinder 12 is used to push the bracket 9 forward, so that the bracket 9 drives multiple groups of suction cups 11 to move above the paper. The multiple groups of second push cylinders 10 are used to drive the multiple groups of suction cups 11 to move downward, so that the multiple groups of suction cups 11 pick up one side of the paper. Then, the third push cylinder 12 drives the bracket 9 to move backward, so that the bracket 9 drives the paper to move to the top of the conveyor belt 7. Then, the printed paper is conveyed after the conveyor belt 7 rotates, improving the convenience of use of the mechanism. The first motor 16 drives the bidirectional lead screw 15 to rotate, so that the bidirectional lead screw 15 drives the two groups of sliders 14 to move closer to each other, so that the two groups of sliders 14 drive the two groups of pushing blocks 5 to move oppositely to limit and correct the front and rear sides of the paper, improving the convenience of correcting the paper in different directions.

[0032] A paper receiving mechanism of a screen printing machine of the present utility model, when working, after the printing table 2 picks up the paper, the paper is located between two sets of pushing plates 4. Multiple sets of first push cylinders 3 push the two sets of pushing plates 4 to move towards each other, so that the two sets of pushing plates 4 correct and limit the left and right sides of the paper. Then the moving device drives the printing table 2 to move to the right, so that the printing table 2 drives the paper to move between two sets of pushing blocks 5. Then the correction device drives the two sets of pushing blocks 5 to move closer to each other, so that the two sets of pushing blocks 5 push and correct the front and back sides of the paper. Then the printing table 2 continues to move to the right. After the paper is printed, the paper on the printing table 2 is picked up and conveyed by the receiving device.

[0033] The first push cylinder 3, conveyor belt 7, second push cylinder 10, third push cylinder 12, first motor 16, second motor 19, laser sensor 20, fan 22 and electric heating tube 23 of a paper receiving mechanism of a screen printing machine of the present utility model are purchased on the market. Those skilled in the art only need to install and operate according to the attached operation manual, without the need for those skilled in the art to perform creative labor.

[0034] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A paper receiving mechanism of a screen printing machine, comprising a support table (1) and a printing table (2), wherein the printing table (2) is arranged on the support table (1); characterized in that: The invention also comprises a moving device, a correction device, a collecting device, a plurality of first push cylinders (3), two push plates (4) and two push blocks (5). The moving device is arranged on the support platform (1). The printing platform (2) is mounted on the output end of the moving device. The moving device is used to drive the printing platform (2) to move. The plurality of first push cylinders (3) are all mounted on the outer wall of the printing platform (2). The two push plates (4) are mounted oppositely on the moving ends of the plurality of first push cylinders (3). The two push blocks (5) are all mounted on the correction device. The correction device is used to drive the two push blocks (5) to move oppositely. The collecting device is arranged on the side of the support platform (1). The collecting device is used to collect the paper after printing.

2. A paper receiving mechanism for a screen printing machine as claimed in claim 1, characterized in that: The collecting device comprises a base (6), a conveyor belt (7), a guide rail (8), a bracket (9), a second push cylinder (10), a suction cup (11) and a third push cylinder (12); the base (6) is arranged on the side of the support platform (1); the conveyor belt (7) is installed on the top of the base (6); the guide rail (8) is installed on the outer wall of the base (6); the bottom end of the bracket (9) is slidably installed on the guide rail (8); the fixed ends of multiple groups of second push cylinders (10) are all installed on the bracket (9); the multiple groups of suction cups (11) are respectively installed on the movable ends of the multiple groups of second push cylinders (10); the fixed end of the third push cylinder (12) is installed on the outer wall of the base (6); and the movable end of the third push cylinder (12) is connected to the outer wall of the bracket (9).

3. A paper receiving mechanism for a screen printing machine as claimed in claim 1, characterized in that: The correction device comprises a first trough body (13), a slider (14), a bidirectional lead screw (15) and a first motor (16); the first trough body (13) is mounted at the bottom of the outer wall of the support platform (1), and a through slot is provided on the support platform (1); two groups of sliders (14) are both slidably mounted on the first trough body (13) through the through slot; the bidirectional lead screw (15) is rotatably mounted on the inner wall of the first trough body (13); the two groups of sliders (14) are respectively screwed on the outer wall of the bidirectional lead screw (15); the two groups of push blocks (5) are respectively mounted on the outer walls of the two groups of sliders (14) in opposite directions; the first motor (16) is mounted on the outer wall of the first trough body (13); and the output end of the first motor (16) is connected to the bidirectional lead screw (15).

4. A paper receiving mechanism for a screen printing machine as claimed in claim 1, characterized in that: The moving device comprises a second trough body (17), a one-way screw (18) and a second motor (19); the second trough body (17) is mounted on the top of the support platform (1); the one-way screw (18) is rotatably mounted on the inner wall of the second trough body (17); the bottom of the printing platform (2) is slidably mounted on the second trough body (17); the bottom of the printing platform (2) is screwed on the outer wall of the one-way screw (18); the second motor (19) is mounted on the outer wall of the second trough body (17); and the output end of the second motor (19) is connected to the one-way screw (18).

5. The paper receiving mechanism of a screen printing machine according to claim 1, characterized in that: It also comprises two groups of laser sensors (20), which are respectively mounted on the outer side walls at the front and rear ends of the support platform (1).

6. A paper receiving mechanism for a screen printing machine as claimed in claim 2, characterized in that: It also comprises a cover body (21) and a plurality of sets of fans (22); the cover body (21) is mounted on the top of the base (6), and the plurality of sets of fans (22) are mounted on the cover body (21).

7. A paper receiving mechanism for a screen printing machine as claimed in claim 6, characterized in that: It also includes an electric heating pipe (23), which is installed on the inner wall of the cover body (21) and is arranged below the multiple groups of fans (22).

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