Automatic plate changing device of printing machine

Abstract

The utility model relates to the field of printing machines, and discloses a printing machine automatic plate changing device which comprises a fixing frame, a printing roller and a roller frame, one side of the fixing frame is fixedly connected with a meter counter host, the other side of the fixing frame is fixedly connected with a motor, and one side of the motor and the inner side wall of the fixing frame are both connected with fixing rods. A positioning bolt is movably installed at one end of each fixing rod, a roller frame is movably installed on the side, close to each other, of each fixing rod, a meter counting sensor is fixedly connected to one side of each roller frame, a printing roller is connected to one side of each meter counting sensor, connecting rods are fixedly connected to the two sides of each printing roller, and the connecting rods are embedded into the fixing rods. Through cooperative use of the motor, the meter counting sensor, the roller frame and the printing roller, automatic and rapid plate changing can be achieved according to the set printing length, manual operation of workers is not needed, manpower and time are saved, and the working efficiency is improved.

Description

Technical Field

[0001] The present application relates to the technical field of printing presses, and in particular to an automatic plate changing device for a printing press. Background Art

[0002] Printing is a technology that transfers ink to the surface of paper, textiles, plastics, leather, PVC, PC and other materials through processes such as plate making, inking and pressurization to batch copy the original content such as text, pictures, photos, anti-counterfeiting, etc. When printing, a printing press is required. The printing press structure includes a plate changing device for changing the printed content.

[0003] At present, the plate changing device of the relevant printing machine cannot automatically change the plate after printing a certain length due to the lack of printing length detection structure and automatic plate changing structure. The staff needs to operate it manually, which is cumbersome and affects work efficiency. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the present application provides an automatic plate changing device for a printing press.

[0005] The present application provides an automatic plate changing device for a printing press adopts the following technical solution:

[0006] A printing press automatic plate changing device comprises a fixed frame, a printing roller and a roller frame, one side of the fixed frame is fixedly connected to a meter counter host, the other side of the fixed frame is fixedly connected to a motor, one side of the motor and the inner wall of the fixed frame are connected to a fixed rod, one end of the fixed rod is movably mounted with a positioning bolt, the side of the fixed rod close to the roller frame is movably mounted, one side of the roller frame is fixedly connected to a meter counter sensor, one side of the meter counter sensor is connected to a printing roller, both sides of the printing roller are fixedly connected to connecting rods, and the connecting rods are embedded with the fixed rods.

[0007] By connecting the device to the external printing machine structure and adjusting the position of the device, the printing roller is brought into contact with the printing workpiece. By transmitting the printing workpiece, the printing roller is rotated to realize printing on the workpiece. The roller frame is driven by a motor to rotate so that the printing roller to be used is adjusted to the bottom to realize automatic plate changing. The printing length is detected by the meter sensor according to the number of rotations of the printing roller, and the detection data is calculated and displayed by the meter counter host.

[0008] Preferably, a controller is fixedly connected to one side of a fixing frame on the top of the meter host, and a fixing piece is fixedly connected between the controller and the fixing frame.

[0009] The device is operated through the controller, and the fixing piece increases the contact area between the controller and the fixing frame, thereby increasing the stability effect of the controller installation.

[0010] Preferably, a bolt hole is provided inside the connecting rod, and the positioning bolt coincides with the connecting rod.

[0011] By screwing the positioning bolt into the bolt hole, the friction between the connecting rod and the fixing rod is increased, so that the connecting rod and the fixing rod can be fixed.

[0012] Preferably, positioning pieces are fixedly connected to both sides of the fixing frame on the top of the motor, and screw holes are provided inside the positioning pieces.

[0013] The device and the external printing machine structure can be fixed by connecting the positioning member to the external printing machine structure and then screwing the external fixing bolt between the positioning member and the external printing machine structure and passing through the screw hole.

[0014] Preferably, a filter is movably installed on the other side of the motor, and bolts are movably installed between the filter and the motor.

[0015] The filter can protect the heat dissipation port of the motor and filter the dust in the gas entering the motor, thus preventing dust and other impurities from entering the interior of the motor.

[0016] In summary, this application includes the following beneficial technical effects:

[0017] The meter sensor detects the printing length according to the number of revolutions of the printing roller, and the meter host calculates and displays the detection data. When the set plate-changing printing length is reached, the controller automatically controls the motor to drive the roller frame to rotate a certain angle, thereby realizing automatic and rapid plate changing according to the set printing length. Manual operation is not required by the staff, which saves manpower and time and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall stereogram of an embodiment of the application;

[0019] Figure 2 is a side view of an embodiment of the application;

[0020] Figure 3 It is a schematic diagram of the partial structure of the printing roller and roller frame of the embodiment of the application.

[0021] Explanation of the accompanying drawings: 1. Positioning piece; 2. Fixing frame; 3. Meter sensor; 4. Connecting rod; 401, bolt hole; 5. Motor; 6. Filter; 7. Fixing rod; 8. Positioning bolt; 9. Printing roller; 10. Roller frame; 11. Controller; 1101, fixing piece; 12. Meter host. DETAILED DESCRIPTION

[0022] The following is combined with Figure 1-3 This application is described in further detail.

[0023] The present application embodiment discloses an automatic plate changing device for a printing press. Figure 1-3 A printing press automatic plate changing device comprises a fixed frame 2, a printing roller 9 and a roller frame 10, one side of the fixed frame 2 is fixedly connected to a meter counter host 12, the other side of the fixed frame 2 is fixedly connected to a motor 5, one side of the motor 5 and the inner side wall of the fixed frame 2 are connected to a fixed rod 7, one end of the fixed rod 7 is movably mounted with a positioning bolt 8, the side close to the fixed rod 7 is movably mounted with a roller frame 10, one side of the roller frame 10 is fixedly connected to a meter sensor 3, one side of the meter sensor 3 is connected to a printing roller 9, both sides of the printing roller 9 are fixedly connected to connecting rods 4, and the connecting rods 4 are embedded with the fixed rods 7.

[0024] The staff connects the device to the external printing machine structure and adjusts the position of the device so that the printing roller 9 contacts the printing workpiece. The printing roller 9 rotates by transmitting the printing workpiece to print the workpiece. When the staff needs to change the printing plate, they raise the device and control the motor 5 to drive the roller frame 10 to rotate so that the printing roller 9 to be used is adjusted to the bottom. Then, the position of the device is adjusted so that the printing roller 9 contacts the printing workpiece to automatically change the plate. The staff can set the printing plate change length through the controller 11 as needed. When the printing roller 9 rotates, it drives the meter sensor The device 3 rotates, and the printing length is detected by the meter sensor 3 according to the number of rotations of the printing roller 9, and the detection data is calculated and displayed by the meter host 12. When the set plate changing length is reached, the controller 11 automatically controls the motor 5 to drive the roller frame 10 to rotate a certain angle, so as to realize automatic plate changing according to the printing length. There is no need for manual operation by the staff, which saves manpower and time. The staff can unscrew the positioning bolt 8, and then pull up to lift the roller frame 10 to separate the connecting rod 4 from the fixing rod 7, so as to disassemble the roller frame 10 as a whole and replace all the printing rollers 9.

[0025] Reference Figure 1 A controller 11 is fixedly connected to one side of the fixing frame 2 on the top of the meter host 12, and a fixing piece 1101 is fixedly connected between the controller 11 and the fixing frame 2. The staff controls the operation of the device through the controller 11. The fixing piece 1101 increases the contact area between the controller 11 and the fixing frame 2, thereby increasing the stability of the installation of the controller 11.

[0026] Reference Figure 3 A bolt hole 401 is provided inside the connecting rod 4, and the positioning bolt 8 coincides with the connecting rod 4. By screwing the positioning bolt 8 into the bolt hole 401, the friction between the connecting rod 4 and the fixing rod 7 is increased, so that the connecting rod 4 and the fixing rod 7 can be fixed.

[0027] Reference Figure 1, both sides of the fixing frame 2 on the top of the motor 5 are fixedly connected with positioning members 1, and screw holes are provided inside the positioning members 1. By connecting the positioning members 1 with the external printing machine structure, and then screwing the external fixing bolts between the positioning members 1 and the external printing machine structure and passing through the screw holes, the device can be fixed to the external printing machine structure.

[0028] Reference Figure 2 A filter screen 6 is movably installed on the other side of the motor 5, and bolts are movably installed between the filter screen 6 and the motor 5. The filter screen 6 can protect the heat dissipation port of the motor 5, and can filter the dust in the gas entering the motor 5 to prevent dust and other impurities from entering the interior of the motor 5.

[0029] The implementation principle of an automatic plate changing device of a printing machine in an embodiment of the present application is: adjusting the position of the device so that the printing roller 9 contacts the printing workpiece, and by transmitting the printing workpiece, the printing roller 9 rotates to realize printing on the workpiece, and the motor 5 is controlled to drive the roller frame 10 to rotate so that the printing roller 9 to be used is adjusted to the bottom, and then the position of the device is adjusted so that the printing roller 9 contacts the printing workpiece to realize automatic plate changing, and the printing length is detected by the meter sensor 3 according to the number of rotations of the printing roller 9, and then the detection data is calculated and displayed by the meter host 12.

[0030] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0031] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0032] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0033] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An automatic plate changing device for a printing press, comprising a fixed frame (2), a printing roller (9) and a roller frame (10), characterized in that: A meter counter host (12) is fixedly connected to one side of the fixed frame (2), and a motor (5) is fixedly connected to the other side of the fixed frame (2). A fixing rod (7) is connected to one side of the motor (5) and the inner wall of the fixed frame (2). A positioning bolt (8) is movably mounted on one end of the fixing rod (7). A roller frame (10) is movably mounted on the side close to the fixing rod (7). A meter counter sensor (3) is fixedly connected to one side of the roller frame (10). A printing roller (9) is connected to one side of the meter counter sensor (3). Connecting rods (4) are fixedly connected to both sides of the printing roller (9), and the connecting rods (4) are engaged with the fixing rods (7).

2. The automatic plate changing device for a printing press according to claim 1, characterized in that: A controller (11) is fixedly connected to one side of a fixing frame (2) at the top of the meter mainframe (12), and a fixing member (1101) is fixedly connected between the controller (11) and the fixing frame (2).

3. The automatic plate changing device for a printing press according to claim 1, characterized in that: A bolt hole (401) is provided inside the connecting rod (4), and the positioning bolt (8) overlaps with the connecting rod (4).

4. The automatic plate changing device for a printing press according to claim 1, characterized in that: Positioning members (1) are fixedly connected to both sides of the fixing frame (2) on the top of the motor (5), and screw holes are arranged inside the positioning members (1).

5. The automatic plate changing device for a printing press according to claim 1, characterized in that: A filter screen (6) is movably mounted on the other side of the motor (5), and bolts are movably mounted between the filter screen (6) and the motor (5).

Images