Feeding structure for printing machine

Abstract

The feeding structure comprises a vertical plate, a first fixing plate is fixedly installed in the middle of the outer surface of the upper end of the vertical plate, a second fixing plate is fixedly installed in the middle of the lower end of the outer surface of the front end of the vertical plate, and a first fixing block is fixedly installed on the outer surface of the front end of the first fixing plate. And a second fixing block is fixedly installed on the outer surface of the front end of the second fixing plate, a servo motor is fixedly installed on the outer surface of the upper end of the first fixing block, a ball screw is connected between the first fixing block and the second fixing block, and the outer surface of the upper end of the ball screw is connected with the servo motor. According to the feeding structure for the printing machine, when feeding is conducted on a winding drum, the height of the air swelling shaft can be reduced through operation of the servo motor, the winding drum can be conveniently installed, and through the arranged feeding tension adjusting assembly, the tension during material feeding can be conveniently adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of printing, in particular to a feeding structure for a printing machine. Background Technique

[0002] When a web press is in use, a web needs to be fixed by an air shaft, and then the material is pulled by an external tractor for feeding. However, when in use, the following disadvantages exist:

[0003] 1. When installing the material web on the air shaft, since the air shaft is located at a relatively high position from the ground, the operator needs to lift the web for installation, which reduces the convenience of assembly;

[0004] 2. In the prior art, when driving the web to rotate and unwind by an external traction structure, it is not convenient to adjust the magnitude of the tension during material feeding.

[0005] Therefore, we propose a feeding structure for a printing machine. Content of the Utility Model

[0006] (I) Technical Problems to be Solved

[0007] Aiming at the deficiencies of the prior art, the utility model provides a feeding structure for a printing machine, which is convenient for reducing the height of the air shaft when installing the web and is convenient for adjusting the magnitude of the tension during feeding, etc., and can effectively solve the problems in the background technique.

[0008] (II) Technical Solutions

[0009] To achieve the above object, the technical solution adopted by the present utility model is as follows: A feeding structure for a printing machine, including a vertical plate. In the middle of the outer surface of the upper end of the vertical plate, a first fixing plate is fixedly installed. In the middle of the lower end of the outer surface of the front end of the vertical plate, a second fixing plate is fixedly installed. On the front outer surface of the first fixing plate, a first fixing block is fixedly installed. On the front outer surface of the second fixing plate, a second fixing block is fixedly installed. On the upper outer surface of the first fixing block, a servo motor is fixedly installed. Between the first fixing block and the second fixing block, a ball screw is connected, and the upper outer surface of the ball screw is connected to the servo motor. On the left and right sides of the outer surface of the front end of the vertical plate, guide rails are fixedly installed. At the front end of the vertical plate, a moving block is provided. On the left and right sides of the outer surface of the rear end of the moving block, limiting sliding grooves are opened. In the middle of the upper outer surface of the moving block, a ball nut is fixedly installed. The ball nut is located on the outer wall of the ball screw, and the ball screw penetrates through the moving block. On one side of the front outer surface of the moving block, an air shaft is installed. On the other side of the front outer surface of the moving block, a feeding tension adjusting assembly is provided. On the right outer surface of the moving block, a heat dissipation groove is opened. The feeding tension adjusting assembly includes an arm rod, a limiting shaft, a rotating shaft and a reduction motor. An installation cavity is opened inside the right end of the moving block. The heat dissipation groove communicates with the installation cavity.

[0010] Preferably, a coupling is provided between the ball screw and the servo motor. The upper outer surface of the ball screw is fixedly connected to the lower outer surface of the output shaft in the servo motor through the coupling. Between the ball screw and the first fixing block and the second fixing block, sealed bearings are provided. The ball screw is rotationally connected to the first fixing block and the second fixing block through the sealed bearings.

[0011] Preferably, the ball nut and the outer wall of the ball screw are in threaded connection.

[0012] Preferably, the moving block is slidably connected to the outer wall of the guide rail through the limiting sliding groove.

[0013] Preferably, the reduction motor is fixedly installed in the installation cavity. The rotating shaft is connected to one end of the outer surface of the output shaft in the reduction motor. A coupling is provided between the rotating shaft and the reduction motor. The outer surface of one end of the rotating shaft is fixedly connected to the outer surface of one end of the output shaft in the reduction motor through the coupling.

[0014] Preferably, the outer wall of one end of the rotating shaft is fixedly connected to one end of the arm rod. The limiting shaft is fixedly installed at one end of the front outer surface of the arm rod away from the rotating shaft. A sealed bearing is provided between the rotating shaft and the moving block. The rotating shaft is rotationally connected to the moving block through the sealed bearing.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a feeding structure for a printing machine, which has the following beneficial effects:

[0017] 1. When loading the reel for this feeding structure of the printing machine, the height of the air shaft can be reduced by the operation of the servo motor, which is convenient for installing the reel.

[0018] 2. For this feeding structure of the printing machine, through the arranged feeding tension adjusting component, it is convenient to adjust the size of the tension when the material is fed. Description of the Drawings

[0019] Figure 1 It is a schematic diagram of the overall structure of a feeding structure for a printing machine of the utility model.

[0020] Figure 2 It is a schematic diagram of the structure of the moving block, air shaft and feeding tension adjusting component in a feeding structure for a printing machine of the utility model.

[0021] Figure 3 It is a schematic diagram of the structure of the moving block and feeding tension adjusting component in a feeding structure for a printing machine of the utility model.

[0022] Figure 4 It is a partial top view sectional view of a feeding structure for a printing machine of the utility model.

[0023] In the figure: 1. Vertical plate; 2. Guide rail; 3. First fixing plate; 4. Servo motor; 5. First fixing block; 6. Moving block; 7. Second fixing plate; 8. Second fixing block; 9. Ball screw; 10. Air shaft; 11. Feeding tension adjusting component; 12. Limit chute; 13. Heat dissipation groove; 14. Arm rod; 15. Limit shaft; 16. Rotating shaft; 17. Installation cavity; 18. Deceleration motor; 19. Ball nut. Detailed Embodiment

[0024] In order to make the technical means, creative features, achieved purposes and functions of the utility model easy to understand, the utility model will be further described below in conjunction with the specific embodiments.

[0025] This embodiment is a feeding structure for a printing machine.

[0026] Such as Figures 1-4As shown in the figure, it includes a vertical plate 1. In the middle of the outer surface of the upper end of the vertical plate 1, a first fixed plate 3 is fixedly installed. In the middle of the lower end of the outer surface of the front end of the vertical plate 1, a second fixed plate 7 is fixedly installed. On the front outer surface of the first fixed plate 3, a first fixed block 5 is fixedly installed. On the front outer surface of the second fixed plate 7, a second fixed block 8 is fixedly installed. On the upper outer surface of the first fixed block 5, a servo motor 4 is fixedly installed. Between the first fixed block 5 and the second fixed block 8, a ball screw 9 is connected. And the upper outer surface of the ball screw 9 is connected to the servo motor 4. On the left and right sides of the front outer surface of the vertical plate 1, guide rails 2 are fixedly installed. At the front end of the vertical plate 1, a moving block 6 is provided. On the left and right sides of the rear outer surface of the moving block 6, limiting sliding grooves 12 are opened. In the middle of the upper outer surface of the moving block 6, a ball nut 19 is fixedly installed. The ball nut 19 is located on the outer wall of the ball screw 9, and the ball screw 9 penetrates through the moving block 6. On one side of the front outer surface of the moving block 6, an air shaft 10 is installed. On the other side of the front outer surface of the moving block 6, a feeding tension adjusting assembly 11 is provided. On the right outer surface of the moving block 6, a heat dissipation groove 13 is opened. The feeding tension adjusting assembly 11 includes an arm rod 14, a limiting shaft 15, a rotating shaft 16 and a reduction motor 18. And an installation cavity 17 is opened inside the right end of the moving block 6. The heat dissipation groove 13 communicates with the installation cavity 17.

[0027] A coupling is provided between the ball screw 9 and the servo motor 4. The upper outer surface of the ball screw 9 is fixedly connected to the lower outer surface of the output shaft in the servo motor 4 through the coupling. Sealed bearings are provided between the ball screw 9 and the first fixed block 5 and the second fixed block 8. The ball screw 9 is rotatably connected to the first fixed block 5 and the second fixed block 8 through the sealed bearings; The ball nut 19 is threadedly connected to the outer wall of the ball screw 9; The moving block 6 is slidably connected to the outer wall of the guide rail 2 through the limiting sliding groove 12; The reduction motor 18 is fixedly installed in the installation cavity 17. The rotating shaft 16 is connected to one end of the outer surface of the output shaft in the reduction motor 18. A coupling is provided between the rotating shaft 16 and the reduction motor 18. The outer surface of one end of the rotating shaft 16 is fixedly connected to the outer surface of one end of the output shaft in the reduction motor 18 through the coupling; One end of the outer wall of the rotating shaft 16 is fixedly connected to one end of the arm rod 14. The limiting shaft 15 is fixedly installed at one end of the front outer surface of the arm rod 14 away from the rotating shaft 16. A sealed bearing is provided between the rotating shaft 16 and the moving block 6. The rotating shaft 16 is rotatably connected to the moving block 6 through the sealed bearing.

[0028] It should be noted that the present utility model is a feeding structure for a printing press. When a reel needs to be installed on the air shaft 10, the rotation of the ball screw 9 is driven by the operation of the servo motor 4. The ball nut 19 is threadedly connected to the outer wall of the ball screw 9. Therefore, the rotation of the ball screw 9 can drive the ball nut 19 and the moving block 6 to descend. The moving block 6 drives the air shaft 10 to descend, which is convenient for reducing the height of the air shaft 10 when installing the reel. The moving block 6 slides along the outer wall of the guide rail 2 through the limit chute 12, which can improve the stability of the lifting of the moving block 6. The provided feeding tension adjusting assembly 11 drives the rotating shaft 16 to rotate through the operation of the reduction motor 18. The rotating shaft 16 drives the arm rod 14 to rotate. The arm rod 14 drives the limit shaft 15 to rotate around the rotating shaft 16. The material passes through the lower outer surface of the feeding tension adjusting assembly 11. By adjusting the limit shaft 15, the magnitude of the tension during material feeding can be adjusted.

[0029] It should be noted that in this text, relational terms such as first and second (No. 1, No. 2) are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0030] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art of this industry should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed.

Claims

1. A feeding structure for a printing press, comprising a vertical plate (1), characterized in that: A first fixing plate (3) is fixedly mounted in the middle of the upper outer surface of the vertical plate (1), a second fixing plate (7) is fixedly mounted in the middle of the lower outer surface of the front end of the vertical plate (1), a first fixing block (5) is fixedly mounted on the front outer surface of the first fixing plate (3), a second fixing block (8) is fixedly mounted on the front outer surface of the second fixing plate (7), a servo motor (4) is fixedly mounted on the upper outer surface of the first fixing block (5), a ball screw (9) is connected between the first fixing block (5) and the second fixing block (8), and the upper outer surface of the ball screw (9) is connected to the servo motor (4), guide rails (2) are fixedly mounted on the left and right sides of the front outer surface of the vertical plate (1), a moving block (6) is provided at the front end of the vertical plate (1), and the rear outer surface of the moving block (6) The movable block (6) has a movable surface and a limit slide groove (12) on its left and right sides. A ball nut (19) is fixedly mounted in the middle of the upper outer surface of the movable block (6). The ball nut (19) is located on the outer wall of the ball screw (9), and the ball screw (9) passes through the movable block (6). An air expansion shaft (10) is mounted on one side of the front outer surface of the movable block (6). A feed tension adjustment component (11) is arranged on the other side of the front outer surface of the movable block (6). A heat dissipation groove (13) is disposed on the right outer surface of the movable block (6). The feed tension adjustment component (11) comprises an arm (14), a limit shaft (15), a rotating shaft (16) and a reduction motor (18). An installation cavity (17) is disposed inside the right end of the movable block (6). The heat dissipation groove (13) is communicated with the installation cavity (17).

2. A feeding structure for a printing machine according to claim 1, characterized in that: A coupling is provided between the ball screw (9) and the servo motor (4); the upper end outer surface of the ball screw (9) is fixedly connected to the lower end outer surface of the output shaft in the servo motor (4) via the coupling; a sealed bearing is provided between the ball screw (9) and the first fixed block (5) and the second fixed block (8); the ball screw (9) is rotatably connected to the first fixed block (5) and the second fixed block (8) via the sealed bearing.

3. A feeding structure for a printing machine according to claim 2, characterized in that: The ball nut (19) is threadedly connected to the outer wall of the ball screw (9).

4. A feeding structure for a printing machine according to claim 3, characterized in that: The moving block (6) is slidably connected to the outer wall of the guide rail (2) via a limiting sliding groove (12).

5. A feeding structure for a printing machine according to claim 4, characterized in that: The reduction motor (18) is fixedly mounted in the mounting cavity (17); the rotating shaft (16) is connected to an outer surface of one end of an output shaft in the reduction motor (18); a coupling is provided between the rotating shaft (16) and the reduction motor (18); and an outer surface of one end of the rotating shaft (16) is fixedly connected to an outer surface of one end of an output shaft in the reduction motor (18) via the coupling.

6. A feeding structure for a printing machine according to claim 5, characterized in that: The outer wall of one end of the rotating shaft (16) is fixedly connected to one end of the arm (14); the limit shaft (15) is fixedly mounted on an end of the front end outer surface of the arm (14) away from the rotating shaft (16); a sealed bearing is provided between the rotating shaft (16) and the moving block (6); and the rotating shaft (16) is rotatably connected to the moving block (6) via the sealed bearing.

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