Material pressing device for continuous printing machine

Abstract

The utility model relates to the technical field of printing machines, in particular to a material pressing device for a continuous printing machine, which comprises a first support, the inner side of the first support is rotatably connected with a material storage roller, the front end of the first support is fixedly provided with a servo motor, and the output end of the servo motor is coaxially and fixedly connected with the material storage roller. A second support is fixedly connected to the right side of the first support, a material pressing assembly is arranged on the inner side of the second support and comprises a material guide roller, a positioning groove, a hydraulic cylinder, a connecting plate, a guide rod, a supporting spring, a mounting frame and a material pressing roller, and a threaded protruding block is fixedly connected to the surface of the material pressing roller; a servo motor keeps the uniformity of discharging of a material storage roller, a printing stock is in a tightened state, meanwhile, a hydraulic cylinder pushes two sets of material pressing rollers downwards and is matched with a material guide roller to press the printing stock, in the rotating process of the material pressing rollers, threaded protruding blocks pull the printing stock towards the two sides, the two sides of the printing stock are completely unfolded, and the flatness of the surface of the printing stock is kept; the printing quality and the printing efficiency of equipment are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to printing machine technical field, concretely relates to a material pressing device for continuous printing machine. BACKGROUND

[0002] With the development of modern industry, the automation level is continuously improved, and various types of high-efficiency continuous printing equipment are widely used in packaging, publishing and other industries, and modern printing machines are generally composed of plate mounting, ink coating, printing, paper feeding (including folding) and other mechanisms. Its principle is to first make the text or image to be printed into a printing plate, and then manually or by a printing machine to apply ink to the text and image on the printing plate, and then directly or indirectly transfer to paper or other printing materials (such as textiles, metal plates).

[0003] The existing printing machine can only fix the raw material simply during use, and cannot well handle the unevenness of the material surface caused by transportation vibration and other reasons, which not only reduces the quality stability of the final product, but also increases the waste rate and adjustment time cost, resulting in low printing efficiency of the equipment.

[0004] Therefore, it is necessary to invent a material pressing device for continuous printing machine to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a material pressing device for continuous printing machine, to solve the problem of reducing the quality stability of the final product, increasing the waste rate and adjustment time cost, and resulting in low printing efficiency of the equipment.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: a material pressing device for continuous printing machine, comprising a first support, the inner side of the first support is rotatably connected with a storage roller, the front end of the first support is fixedly installed with a servo motor, the output end of the servo motor is coaxially fixedly connected with the storage roller, the right side of the first support is fixedly connected with a second support, the inner side of the second support is provided with a material pressing assembly, the material pressing assembly comprises a material guiding roller, a positioning groove, a hydraulic cylinder, a connecting plate, a guide rod, a supporting spring, a mounting frame and a material pressing roller, the surface of the material pressing roller is fixedly connected with a threaded lug.

[0007] By adopting the technical scheme, the servo motor cooperates with the printing module to feed the material, maintains the uniformity of the feeding of the storage roller, keeps the printing material in a taut state, the printing material passes through the surface of the guide roller, and the hydraulic cylinder pushes the two groups of pressing rollers downward to cooperate with the guide roller sheet to press the printing material, the pressing roller and the guide roller rotate following the movement of the printing material, the thread bumps on the surface of the pressing roller pull the printing material to the two sides during the rotation, the two sides of the printing material are completely unfolded, the flatness of the surface of the printing material is maintained, and the printing quality and the printing efficiency of the equipment are improved.

[0008] Optionally, the two ends of the guide roller are rotationally connected with the middle part of the second support, the front and rear surfaces of the second support are both provided with positioning grooves, and the hydraulic cylinder is fixedly installed on the upper end of the second support.

[0009] By adopting the technical scheme, the guide roller supports the feeding end of the printing material.

[0010] Optionally, the two ends of the connecting plate are respectively slidably connected with the front and rear groups of positioning grooves, and the lower end of the telescopic rod in the hydraulic cylinder is fixedly connected with the connecting plate.

[0011] By adopting the technical scheme, the telescopic rod in the hydraulic cylinder pushes the connecting plate to move up and down, and the two ends of the connecting plate slide up and down in the positioning grooves, so that the stability of the connecting plate during movement is improved.

[0012] Optionally, four groups of guide rods are slidably connected with the surface of the connecting plate, and the lower ends of the four groups of guide rods are fixedly connected with the upper surface of the mounting frame.

[0013] Optionally, supporting springs are sleeved on the surfaces of the four groups of guide rods, and the upper and lower ends of the supporting springs are respectively abutted with the surfaces of the connecting plate and the mounting frame.

[0014] By adopting the technical scheme, when the mounting frame moves downward under the action of gravity during the downward movement of the connecting plate, when the lower pressing roller of the mounting frame abuts against the surface of the printing material, the connecting plate continues to press downward, the supporting spring is pressed, the lower end of the supporting spring presses the mounting frame, the pressing force of the pressing roller is improved, and a certain tightness is maintained to avoid pressing the printing material too tightly.

[0015] Optionally, positioning blocks are fixedly connected with the front and rear ends of the mounting frame, the positioning blocks are slidably connected with the positioning grooves, a bidirectional screw rod is rotationally connected between the two groups of positioning blocks, a bidirectional motor is fixedly installed on the surface of the front positioning block, and the output end of the bidirectional motor is fixedly connected with the front end of the bidirectional screw rod.

[0016] By adopting the technical scheme, the mounting frame slides, and the positioning blocks slide in the positioning grooves, so that the stability of the mounting frame during movement is improved.

[0017] Optionally, the lower surface of the mounting frame is fixedly connected with a limiting guide rail, the surface of the limiting guide rail is slidably connected with two groups of adjusting blocks, and the lower ends of the two groups of adjusting blocks are fixedly connected with positioning shafts.

[0018] By adopting the above technical scheme, the two groups of adjusting blocks slide forward and backward on the surface of the limiting guide rail

[0019] Optionally, the two groups of positioning shafts are threadedly connected with the front and rear ends of the bidirectional screw respectively, and the surfaces of the two groups of positioning shafts are rotatably connected with pressing rollers.

[0020] By adopting the above technical scheme, the bidirectional motor drives the bidirectional screw to rotate, and the two groups of positioning shafts on the surface of the bidirectional screw slide towards each other or away from each other in the process of rotating the bidirectional screw, so that the distance between the two groups of pressing rollers is adjusted.

[0021] In the above technical scheme, the technical effects and advantages of the utility model are as follows:

[0022] 1. The utility model discloses a servo motor is kept the uniformity of the material storage roller discharging, makes the printing material be in the taut state, and the hydraulic cylinder pushes down two groups of pressing rollers simultaneously, cooperates with the guide roller and presses the printing material, and the screw bump on the surface of the pressing roller will pull the printing material to both sides in the process that the pressing roller and the guide roller follow the printing material and rotate, makes the both sides of the printing material completely expand, keeps the flatness of the printing material surface, improves the equipment printing quality and printing efficiency.

[0023] 2. The utility model discloses a bidirectional motor drives the bidirectional screw to rotate, and the two groups of positioning shafts on the surface of the bidirectional screw slide towards each other or away from each other in the process of rotating the bidirectional screw, so that the distance between the two groups of pressing rollers is adjusted, so that it can be applicable to different width printing materials, and the application range of the equipment is improved. DRAWINGS

[0024] Figure 1 It is the whole structure schematic diagram of the utility model;

[0025] Figure 2 It is the first support structure schematic diagram of the utility model;

[0026] Figure 3 It is the second support structure schematic diagram of the utility model;

[0027] Figure 4 It is the mounting frame structure schematic diagram of the utility model;

[0028] Figure 5 It is the connecting plate structure schematic diagram of the utility model;

[0029] Figure 6The utility model discloses a material pressing roller structure schematic view.

[0030] Mark explanation:

[0031] 1, first support, 11, material storage roller, 12, servo motor, 2, second support, 21, material guide roller, 22, positioning groove, 23, hydraulic cylinder, 3, connecting plate, 31, guide rod, 32, supporting spring, 4, mounting bracket, 41, positioning block, 42, bidirectional motor, 43, limit guide rail, 44, bidirectional screw rod, 45, adjusting block, 46, positioning shaft, 47, material pressing roller. Specific implementation

[0032] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be introduced further in detail below with the accompanying drawings.

[0033] The utility model provides a kind of material pressing device for continuous printing machine as Figures 1 to 5 As shown in a kind of material pressing device for continuous printing machine, including first support 1, the inner side of first support 1 is rotatably connected with material storage roller 11, the front end of first support 1 is fixedly installed with servo motor 12, the output end of servo motor 12 is coaxially fixedly connected with material storage roller 11, the right side of first support 1 is fixedly connected with second support 2, the inner side of second support 2 is provided with material pressing subassembly, material pressing subassembly includes material guide roller 21, positioning groove 22, hydraulic cylinder 23, connecting plate 3, guide rod 31, supporting spring 32, mounting bracket 4, material pressing roller 47, the surface of material pressing roller 47 is fixedly connected with threaded boss, the both ends of material guide roller 21 are rotatably connected with the middle position of second support 2, the front and back two sides surfaces of second support 2 are all provided with positioning groove 22, hydraulic cylinder 23 is fixedly installed at the both ends of the upper end connecting plate 3 of second support 2, and the both ends of connecting plate 3 are slidably connected with front and back two groups of positioning groove 22, the lower end of telescopic rod in hydraulic cylinder 23 is fixedly connected with connecting plate 3, and the surface of connecting plate 3 is slidably connected with four guide rods 31, and the lower end of four guide rods 31 is fixedly connected with the upper surface of mounting bracket 4, and the surface of four guide rods 31 is all set with supporting spring 32, and the upper and lower ends of supporting spring 32 are respectively abutted with the surface of connecting plate 3 and mounting bracket 4.

[0034] Among them, the printing substrate is wound on the surface of material storage roller 11, material storage roller 11 is installed on the upside of first support 1, servo motor 12 is used to drive material storage roller 11 to rotate, the printing substrate on its surface is discharged, effectively keeps the uniformity of discharging, makes the discharged printing substrate be in the state of being taut, improves the flatness of the surface of printing substrate.

[0035] Meanwhile, the telescopic rod in the hydraulic cylinder 23 pushes the connecting plate 3 downwards, at this time, the mounting frame 4 slides downwards under the action of gravity, and drives the two groups of pressure rollers 47 on the lower side to move downwards until the surface of the pressure roller 47 abuts against the surface of the printing material, at this time, the connecting plate 3 continuously pushes the mounting frame 4 downwards, the connecting plate 3 extrudes the supporting spring 32, the lower end of the supporting spring 32 exerts a certain pressure on the surface of the mounting frame 4, the pressure roller 47 is pressed against the surface of the printing material, the flatness of the surface of the printing material is further improved, and in the process of feeding the printing material, the printing material drives the guide roller 21 and the pressure roller 47 to rotate together, in the process of rotating of the two groups of pressure rollers 47, the threaded bosses on the surface of the pressure roller 47 pull the edge of the printing material to both sides, when the printing material is wrinkled, it can be quickly smoothed, the flatness of the printing material is effectively ensured, and the production quality and production efficiency of the equipment are improved.

[0036] Referring to Figure 3 , Figure 4 and Figure 6 , the front and rear ends of the mounting frame 4 are fixedly connected with positioning blocks 41, the positioning blocks 41 are slidably connected with the positioning groove 22, the two groups of positioning blocks 41 are rotatably connected with a bidirectional screw rod 44, the surface of the front positioning block 41 is fixedly connected with a bidirectional motor 42, the output end of the bidirectional motor 42 is fixedly connected with the front end of the bidirectional screw rod 44, the lower surface of the mounting frame 4 is fixedly connected with a limiting guide rail 43, the surface of the limiting guide rail 43 is slidably connected with two groups of adjusting blocks 45, the lower ends of the two groups of adjusting blocks 45 are fixedly connected with positioning shafts 46, and the surfaces of the two groups of positioning shafts 46 are rotatably connected with pressure rollers 47.

[0037] In addition, when different width printing materials are replaced, the bidirectional motor 42 drives the bidirectional screw rod 44 to rotate, and under the cooperation of the limiting guide rail 43 and the adjusting block 45, the bidirectional screw rod 44 drives the two positioning shafts 46 on the two sides to slide towards each other or away from each other, so that the pressure roller 47 can press the edges of printing materials of different widths, and the application range is improved.

[0038] The working principle of the utility model is: the servo motor 12 keeps the uniformity of feeding of the storage roller 11, the printing material is in a taut state, meanwhile, the hydraulic cylinder 23 pushes the two groups of pressure rollers 47 downwards, cooperates with the guide roller 21 to press the printing material, in the process of rotating of the pressure roller 47 and the guide roller 21 following the printing material, the threaded bosses on the surface of the pressure roller 47 pull the printing material to both sides, so that the two sides of the printing material are completely unfolded, the flatness of the surface of the printing material is kept, the printing quality and printing efficiency of the equipment are improved; meanwhile, the distance between the two groups of pressure rollers 47 can be adjusted, so that the equipment can be applied to printing materials of different widths, and the application range of the equipment is improved.

[0039] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A material pressing device for a continuous printing machine, comprising a first support (1), characterized in that: The inner side of the first support (1) is rotatably connected with a storage roller (11), the front end of the first support (1) is fixedly installed with a servo motor (12), the output end of the servo motor (12) is coaxially fixedly connected with the storage roller (11), the right side of the first support (1) is fixedly connected with a second support (2), the inner side of the second support (2) is provided with a pressing assembly, and the pressing assembly comprises a material guiding roller (21), a positioning groove (22), a hydraulic cylinder (23), a connecting plate (3), a guide rod (31), a supporting spring (32), a mounting rack (4) and a pressing roller (47).

2. A material pressing device for a continuous printing machine according to claim 1, characterized in that: Both ends of the material guiding roller (21) are rotatably connected with the middle position of the second support (2), the front and rear surfaces of the second support (2) are both provided with the positioning groove (22), and the hydraulic cylinder (23) is fixedly installed at the upper end of the second support (2).

3. A material pressing device for a continuous printing machine according to claim 2, characterized in that: Both ends of the connecting plate (3) are slidably connected with the front and rear positioning grooves (22) respectively, and the lower end of the telescopic rod in the hydraulic cylinder (23) is fixedly connected with the connecting plate (3).

4. The material pressing device for a continuous printing machine according to claim 1, wherein: The surface of the connecting plate (3) is slidably connected with four guide rods (31), and the lower ends of the four guide rods (31) are fixedly connected with the upper surface of the mounting rack (4).

5. A material pressing device for a continuous printing machine according to claim 4, characterized in that: The surfaces of the four guide rods (31) are all sleeved with supporting springs (32), and the upper and lower ends of the supporting spring (32) are respectively abutted with the surfaces of the connecting plate (3) and the mounting rack (4).

6. A material pressing device for a continuous printing machine according to claim 1, characterized in that: The front and rear ends of the mounting rack (4) are both fixedly connected with positioning blocks (41), the positioning blocks (41) are slidably connected with the positioning grooves (22), two groups of the positioning blocks (41) are rotatably connected with a bidirectional screw rod (44), the surface of the front positioning block (41) is fixedly installed with a bidirectional motor (42), and the output end of the bidirectional motor (42) is fixedly connected with the front end of the bidirectional screw rod (44).

7. A material pressing device for a continuous printing machine according to claim 1, characterized in that: The lower surface of the mounting rack (4) is fixedly connected with a limiting guide rail (43), the surface of the limiting guide rail (43) is slidably connected with two groups of adjusting blocks (45), and the lower ends of the two groups of adjusting blocks (45) are both fixedly connected with positioning shafts (46).

8. A material pressing device for a continuous printing machine according to claim 7, characterized in that: The front and rear ends of the bidirectional screw rod (44) are respectively threadedly connected with the two groups of positioning shafts (46), and the surfaces of the two groups of positioning shafts (46) are all rotatably connected with the pressing rollers (47).

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