Driving mechanism for error book device of printing machine

Abstract

The utility model belongs to the field of printing equipment, and provides a printing machine error book device driving mechanism which comprises a rack wall plate, a movable wall plate, an error book servo motor and a balance block. The movable wall plate is connected to the rack wall plate in a sliding mode and used for being connected with the error book device. The staggered servo motor is installed on the rack wall plate, and the movable wall plate is in transmission connection with the power end of the staggered servo motor and can be driven by the staggered servo motor to slide relative to the rack wall plate. The balance block is in sliding connection with the movable wall plate, the sliding direction of the balance block relative to the movable wall plate is parallel to the sliding direction of the movable wall plate relative to the rack wall plate, and the balance block is also in transmission connection with the power end of the staggered servo motor and can be driven by the staggered servo motor to synchronously and reversely move with the movable wall plate.

Description

TECHNICAL FIELD

[0001] The application belongs to the field of printing equipment, and particularly relates to a driving mechanism of a misregistration device of a printing machine. BACKGROUND

[0002] In a printing process, a misregistration device plays a vital role, which is responsible for ensuring that paper or printed matter can be accurately moved to different positions. In traditional printing equipment, the function is realized by moving the misregistration device. However, due to poor design of the driving mechanism, the misregistration device is prone to causing overall vibration of the printing equipment when moving at a high speed, which can damage the overall structure of the printing machine and shorten the service life of the equipment. The existing solution to the problem is usually to reduce the moving speed of the misregistration device, which greatly limits the printing efficiency. Therefore, it is necessary to solve the above technical problems. CONTENT OF THE UTILITY MODEL

[0003] The purpose of the embodiment of the application is to provide a driving mechanism of a misregistration device of a printing machine to solve the technical problem of low printing efficiency in the prior art.

[0004] To achieve the above purpose, the technical scheme adopted by the application is as follows: a driving mechanism of a misregistration device of a printing machine is provided, which comprises a rack wall plate; the misregistration device comprises a movable wall plate, a traction roller set for traction and conveying paper, which is installed on the movable wall plate, and a paper conveying servo motor which is transmissionally connected to the traction roller set, the movable wall plate is horizontally and slidingly connected to the rack wall plate, and the sliding direction of the movable wall plate relative to the rack wall plate is perpendicular to the paper conveying direction.

[0005] The driving mechanism of the misregistration device of the printing machine further comprises a misregistration servo motor which is installed on the rack wall plate, the movable wall plate is transmissionally connected to the power end of the misregistration servo motor and can be driven by the misregistration servo motor to slide relative to the rack wall plate.

[0006] A balance block is slidingly connected to the movable wall plate, the sliding direction of the balance block relative to the movable wall plate is parallel to the sliding direction of the movable wall plate relative to the rack wall plate, the balance block is also transmissionally connected to the power end of the misregistration servo motor and can be driven by the misregistration servo motor to move reversely synchronously with the movable wall plate.

[0007] Optionally, the driving mechanism of the misregistration device of the printing machine further comprises a driving gear, a driven gear, a first screw, a second screw, a first nut and a second nut.

[0008] The driving gear is connected to the power end of the servo motor, the driven gear is axially parallel to the driving gear and forms a gear transmission pair, the second screw is coaxially connected to the driving gear, the first screw is coaxially connected to the driven gear, the first nut is threadedly connected to the first screw, the second nut is threadedly connected to the second screw, the movable wall plate is connected to the first nut, and the balance block is connected to the second nut.

[0009] Optionally, the printing machine device driving mechanism further comprises a linkage sleeve.

[0010] The linkage sleeve is coaxially arranged with the first screw and forms a cavity for the first screw to extend into, the first nut is mounted at the front end of the cavity, and the movable wall plate is connected to the other end of the linkage sleeve away from the first nut.

[0011] Optionally, the printing machine device driving mechanism further comprises a support, a connecting frame and bearings.

[0012] The support is connected to the machine frame wall plate and used for supporting the servo motor, the connecting frame is connected to the support and used for supporting the driving gear and the driven gear, and the first screw and the second screw are respectively rotatably connected to the connecting frame through corresponding bearings.

[0013] Optionally, the printing machine device driving mechanism further comprises a cross beam connected to the machine frame wall plate and a connecting plate connected to the movable wall plate.

[0014] The cross beam forms a first linear rail, the extension direction of the first linear rail is parallel to the sliding direction of the movable wall plate relative to the machine frame wall plate, and the connecting plate is slidably connected to the first linear rail.

[0015] Optionally, the printing machine device driving mechanism further comprises a pad connected to the connecting plate.

[0016] The pad forms a second linear rail parallel to the first linear rail, and the balance block is slidably connected to the second linear rail.

[0017] Optionally, the machine frame wall plate is provided with a window through which the movable wall plate passes.

[0018] The printing machine base deviation device driving mechanism provided by the application has the beneficial effects that, compared with the prior art, the balance block is arranged in the printing machine base deviation device driving mechanism provided by the application, the sliding direction of the balance block is parallel to the sliding direction of the movable wall plate relative to the rack wall plate, the movable wall plate and the balance block are both drivingly connected to the power end of the base deviation servo motor and can be driven by the base deviation servo motor to move synchronously in the opposite direction. Therefore, when the base deviation servo motor drives the movable wall plate to slide relative to the rack wall plate and drives the base deviation device to move, the balance block can move synchronously in the opposite direction with the movable wall plate, so that the overall center of gravity of the balance block and the base deviation device can be kept substantially at the original position, and the force generated by the base deviation servo motor when driving the entire base deviation device to move through the movable wall plate is offset by the balance block moving in the opposite direction, so that the reaction force generated by the base deviation device when moving on the rack wall plate can be effectively reduced, thereby significantly reducing the vibration amplitude of the entire printing equipment. Therefore, the printing machine base deviation device driving mechanism provided by the application can drive the base deviation device to move faster to perform the base deviation action and adapt to the speed of the front-end printing and cutting process, thereby improving the printing efficiency as a whole and being much better than the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the application, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Figure 1 The overall structure of the printing machine base deviation device driving mechanism in the embodiment of the application is shown in the figure. Figure 1

[0021] Figure 2 The overall structure of the printing machine base deviation device driving mechanism in the embodiment of the application is shown in the figure. Figure 2

[0022] Figure 3 The overall structure of the printing machine base deviation device driving mechanism in the embodiment of the application is shown in the figure. Figure 3

[0023] Figure 4 The local structure of the printing machine base deviation device driving mechanism in the embodiment of the application is shown in the figure.

[0024] Figure 5 The local structure of the printing machine base deviation device driving mechanism in the embodiment of the application is shown in the figure.

[0025] ​​​Wherein, the reference signs in the figure: 101, rack wallboard; 102, movable wallboard; 103, misregistration device; 104, misregistration servo motor; 105, balance block; 106, driving gear; 107, driven gear; 108, first screw, 109, second screw, 110, first nut; 111, second nut; 112, linkage sleeve; 113, support; 114, connecting frame; 115, bearing; 116, crossbeam; 117, connecting plate; 118, first linear rail; 119, cushion block; 120, second linear rail; 121, window; 131, traction roller set; 132, paper conveying servo motor. DETAILED DESCRIPTION

[0026] In order to make the technical problems to be solved by the present application, the technical solutions and beneficial effects clearer, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not intended to limit the present application.

[0027] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0028] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0029] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0030] Please refer to Figures 1 to 5 , now a misregistration device driving mechanism of a printing machine provided by the embodiments of the present application will be described. The misregistration device driving mechanism of the printing machine comprises a rack wallboard 101, a misregistration servo motor 104 and a balance block 105. Wherein:

[0031] The offset device 103 comprises a movable wall plate 102, a traction roller set 131 installed on the movable wall plate 102 for traction conveying paper, and a paper conveying servo motor 132 drivingly connected to the traction roller set 131, the movable wall plate 102 is horizontally slidingly connected to the machine frame wall plate 101, and the sliding direction of the movable wall plate 102 relative to the machine frame wall plate 101 is perpendicular to the paper conveying direction;

[0032] The offset servo motor 104 is installed on the machine frame wall plate 101, the movable wall plate 102 is drivingly connected to the power end of the offset servo motor 104 and can be driven by the offset servo motor 104 to slide relative to the machine frame wall plate 101, the balance block 105 is slidingly connected to the movable wall plate 102 and the sliding direction of the balance block 105 relative to the movable wall plate 102 is parallel to the sliding direction of the movable wall plate 102 relative to the machine frame wall plate 101, and the balance block 105 is also drivingly connected to the power end of the offset servo motor 104 and can be driven by the offset servo motor 104 to move reversely synchronously with the movable wall plate 102. In the present embodiment, the traction roller set 131 of the offset device 103 is driven by the paper conveying servo motor 132 installed on the movable wall plate 102 through a synchronous belt or other transmission assembly, and the traction roller set 131 can adopt the structure of the prior art, and the connection with the front-end process such as the cutting device and the rear-end process such as the collecting and stacking process can also adopt the prior art, which will not be described in detail here.

[0033] According to the above structure provided in the present embodiment, the balance block 105 is arranged in the driving mechanism of the offset device of the printing machine provided in the present embodiment, and the offset device 103 is installed on the movable wall plate 102, since the sliding direction of the balance block 105 relative to the movable wall plate 102 is parallel to the sliding direction of the movable wall plate 102 relative to the machine frame wall plate 101, and since the movable wall plate 102 and the balance block 105 are both drivingly connected to the power end of the offset servo motor 104 and can be driven by the offset servo motor 104 to move reversely synchronously. Therefore, when the offset servo motor 104 drives the movable wall plate 102 to slide relative to the machine frame wall plate 101 and drives the offset device 103 to move, the balance block 105 can move synchronously in the opposite direction with the movable wall plate 102, so that not only the overall center of gravity of the balance block 105 and the offset device 103 can be kept substantially in place, but also the force generated when the offset servo motor 104 drives the entire offset device through the movable wall plate 102 to move can be offset by the reversely moving balance block 105, so that the reaction force generated by the offset device 103 when moving relative to the machine frame wall plate 101 can be effectively reduced, thereby significantly reducing the vibration amplitude of the entire printing equipment. Therefore, the driving mechanism of the offset device of the printing machine provided in the present application can drive the offset device 103 to move faster for offset operation and can adapt to the speed of the front-end printing and cutting process, thereby improving the overall printing efficiency, which is much better than the prior art.

[0034] In another embodiment of the present application, please refer to Figures 1 to 5 The driving mechanism of the misregistration device further comprises a driving gear 106, a driven gear 107, a first screw rod 108, a second screw rod 109, a first nut 110 and a second nut 111.

[0035] The driving gear 106 is connected to the power end of the misregistration servo motor 104, the driven gear 107 is axially parallel to the driving gear 106 and forms a gear transmission pair, the second screw rod 109 is coaxially connected to the driving gear 106, the first screw rod 108 is coaxially connected to the driven gear 107, the first nut 110 is threadedly connected to the first screw rod 108, the second nut 111 is threadedly connected to the second screw rod 109, the movable wall plate 102 is connected to the first nut 110, and the balance block 105 is connected to the second nut 111.

[0036] According to the above structure provided in the embodiment, the misregistration servo motor 104 can drive the driving gear 106 to rotate and drive the driven gear 107 cooperating with the driving gear 106 to rotate in the opposite direction. In this way, the second screw rod 109 coaxially connected to the driving gear 106 and the first screw rod 108 coaxially connected to the driven gear 107 can also rotate in the opposite direction. Since the movable wall plate 102 is threadedly connected to the first screw rod 108 through the first nut 110 and the balance block 105 is connected to the second screw rod 109 through the second nut 111, the first screw rod 108 and the second screw rod 109 rotating in the opposite direction can drive the movable wall plate 102 and the balance block 105 to synchronously and stably move in the opposite direction, which is conducive to making the driving mechanism of the misregistration device of the printing press provided in the embodiment drive the misregistration device 103 to move more quickly and is conducive to further improving the printing efficiency.

[0037] In another embodiment of the present application, please refer to Figures 1 to 5 The driving mechanism of the misregistration device further comprises a linkage sleeve 112. The linkage sleeve 112 is coaxially arranged with the first screw rod 108 and forms an internal cavity for the first screw rod 108 to extend into, the first nut 110 is installed at the front end of the cavity, and the movable wall plate 102 is connected to the other end of the linkage sleeve 112 away from the first nut 110. According to the above structure provided in the embodiment, the linkage sleeve 112 connected to the movable wall plate 102 and the first nut 110 at both ends can protect the first screw rod 108 through the internal cavity and make the first screw rod 108 more stably rotate relative to the first nut 110, while effectively shortening the length of the linkage sleeve 112 to make the whole device structure compact, which is conducive to making the driving mechanism of the misregistration device of the printing press provided in the embodiment drive the misregistration device 103 to move more quickly and is conducive to further improving the printing efficiency.

[0038] In another embodiment of the present application, please refer to Figures 1 to 5The driving mechanism of the misregistration device of the printing machine further comprises a support 113, a connecting frame 114 and bearings 115; the support 113 is connected to the wall plate 101 of the frame and is used for supporting the misregistration servo motor 104, the connecting frame 114 is connected to the support 113 and is used for supporting the driving gear 106 and the driven gear 107, and the first screw rod 108 and the second screw rod 109 are respectively rotatably connected to the connecting frame 114 through corresponding bearings 115. According to the above structure provided in the embodiment, on the one hand, the connecting frame 114 connected to the support 113 can be used for stably supporting the driving gear 106 and the driven gear 107; on the other hand, the first screw rod 108 and the second screw rod 109 are rotatably connected to the connecting frame 114 through the bearings 115, which can rotate more quickly and smoothly and limit the axial freedom of the first screw rod 108 and the second screw rod 109, which is beneficial to make the misregistration device driving mechanism of the printing machine provided in the embodiment drive the misregistration device 103 to move more quickly and stably, and is beneficial to further improve the printing efficiency.

[0039] In another embodiment of the present application, please refer to Figures 1 to 5 The driving mechanism of the misregistration device of the printing machine further comprises a cross beam 116 connected to the wall plate 101 of the frame and a connecting plate 117 connected to the movable wall plate 102; the first linear rail 118 is formed on the cross beam 116, the extension direction of the first linear rail 118 is parallel to the sliding direction of the movable wall plate 102 relative to the wall plate 101 of the frame, and the connecting plate 117 is slidingly connected to the first linear rail 118. According to the above structure provided in the embodiment, the first linear rail 118 formed on the cross beam 116 can guide the sliding of the connecting plate 117 connected to the movable wall plate 102, which can make the movable wall plate 102 move more quickly and stably, thereby being beneficial to make the misregistration device driving mechanism of the printing machine provided in the embodiment drive the misregistration device 103 to move more quickly, and being beneficial to further improve the printing efficiency.

[0040] In another embodiment of the present application, please refer to Figures 1 to 5 The driving mechanism of the misregistration device of the printing machine further comprises a pad 119 connected to the connecting plate 117; the second linear rail 120 parallel to the first linear rail 118 is formed on the pad 119, and the balancing block 105 is slidingly connected to the second linear rail 120. According to the above structure provided in the embodiment, the pad 119 connected to the connecting plate 117 is slidingly connected to the balancing block 105 through the second linear rail 120, and since the second linear rail 120 is parallel to the first linear rail 118 and can guide the sliding of the balancing block 105, which can make the balancing block 105 move more quickly and stably, thereby being beneficial to make the misregistration device driving mechanism of the printing machine provided in the embodiment drive the misregistration device 103 to move more quickly, and being beneficial to further improve the printing efficiency.

[0041] In another embodiment of the present application, please refer to Figures 1 to 5 A window 121 is provided on the rack wall plate 101 for the movable wall plate 102 to pass through. According to the above structure provided in the present embodiment, the window 121 provided on the rack wall plate 101 can allow the movable wall plate 102 to pass through smoothly, so that the movable wall plate 102 can move in a larger range, which is beneficial to further expand the room distance.

[0042] The above merely provides the preferred embodiments of the present application, but is not intended to limit the present application. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A printing press error-proof device drive mechanism, comprising a frame wall plate (101), the error-proof device (103) comprising a movable wall plate (102), a traction roller group (131) mounted on the movable wall plate (102) for traction and conveying paper, and a paper feeding servo motor (132) drively connected to the traction roller group (131), characterized in that: The movable wall plate (102) is horizontally slidably connected to the rack wall plate (101), and the sliding direction of the movable wall plate (102) relative to the rack wall plate (101) is perpendicular to the paper conveying direction; The printing machine misregistration device driving mechanism further comprises: A misregistration servo motor (104) is installed on the rack wall plate (101), the movable wall plate (102) is drivingly connected to the power end of the misregistration servo motor (104) and can be driven by the misregistration servo motor (104) to slide relative to the rack wall plate (101); A balance block (105) is slidably connected to the movable wall plate (102), the sliding direction of the balance block (105) relative to the movable wall plate (102) is parallel to the sliding direction of the movable wall plate (102) relative to the rack wall plate (101), and the balance block (105) is also drivingly connected to the power end of the misregistration servo motor (104) and can be driven by the misregistration servo motor (104) to move reversely synchronously with the movable wall plate (102).

2. The printing machine misregistration device driving mechanism according to claim 1, wherein: The printing machine misregistration device driving mechanism further comprises a driving gear (106), a driven gear (107), a first screw rod (108), a second screw rod (109), a first nut (110) and a second nut (111); The driving gear (106) is connected to the power end of the misregistration servo motor (104), the driven gear (107) is axially parallel to the driving gear (106) and forms a gear transmission pair, the second screw rod (109) is coaxially connected to the driving gear (106), the first screw rod (108) is coaxially connected to the driven gear (107), the first nut (110) is threadedly connected to the first screw rod (108), the second nut (111) is threadedly connected to the second screw rod (109), the movable wall plate (102) is connected to the first nut (110), and the balance block (105) is connected to the second nut (111).

3. The printing machine misregistration device driving mechanism according to claim 2, wherein: The printing machine misregistration device driving mechanism further comprises a linkage sleeve (112); The linkage sleeve (112) is coaxially arranged with the first screw rod (108) and forms a cavity for the first screw rod (108) to extend into, the first nut (110) is installed at the front end of the cavity, and the movable wall plate (102) is connected to the other end of the linkage sleeve (112) away from the first nut (110).

4. The printing machine misregistration device driving mechanism according to claim 3, wherein: The printing machine misregistration device driving mechanism further comprises a support (113), a connecting frame (114) and a bearing (115); The support (113) is connected to the frame wall plate (101) and used for supporting the servo motor (104), the connecting frame (114) is connected to the support (113) and used for supporting the driving gear (106) and the driven gear (107), and the first screw rod (108) and the second screw rod (109) are respectively rotatably connected to the connecting frame (114) through corresponding bearings (115).

5. The printing machine register device driving mechanism according to claim 1, wherein: The printing machine register device driving mechanism further comprises a cross beam (116) connected to the frame wall plate (101) and a connecting plate (117) connected to the movable wall plate (102); A first linear rail (118) is formed on the cross beam (116), the extending direction of the first linear rail (118) is parallel to the sliding direction of the movable wall plate (102) relative to the frame wall plate (101), and the connecting plate (117) is slidingly connected to the first linear rail (118).

6. The printing machine register device driving mechanism according to claim 5, wherein: The printing machine register device driving mechanism further comprises a pad (119) connected to the connecting plate (117); A second linear rail (120) parallel to the first linear rail (118) is formed on the pad (119), and the balance block (105) is slidingly connected to the second linear rail (120).

7. The printing machine register device driving mechanism according to claim 1, wherein: The frame wall plate (101) is provided with a window (121) through which the movable wall plate (102) passes.

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