Lifting loading and unloading structure of printing machine

Abstract

The utility model relates to the technical field of winding loading and unloading of printing machines, in particular to a lifting loading and unloading structure of a printing machine, which can be used for conveniently loading and unloading a winding roller and improving the use convenience of equipment. Comprising a bottom plate, two sets of guide grooves are symmetrically formed in the bottom plate, two sets of push-pull air cylinders are symmetrically and fixedly installed at the top end of the bottom plate, the output ends of the two sets of push-pull air cylinders are fixedly connected with moving plates, the two sets of moving plates are slidably installed on the bottom plate through cooperation with the guide grooves, and a winding motor is fixedly installed on the set of moving plates on the front side; transmission shafts are rotatably installed on the two moving plates, limiting bolts are installed on the two U-shaped connecting sleeves in a penetrating and screwing mode, connecting shafts are fixedly arranged at the left end and the right end of the winding roller, the two connecting shafts are clamped on the two U-shaped connecting sleeves under the action of the limiting bolts, and two lifting air cylinders are symmetrically and fixedly installed at the top end of the bottom plate; the output ends of the two lifting air cylinders are fixedly connected with cambered surface trays.

Description

Technical Field

[0001] The utility model relates to the technical field of winding and loading and unloading of printing machines, in particular to a lifting and loading and unloading structure of a printing machine. Background Art

[0002] A printing press is a device used to print images and text. It is one of the most important tools in the printing industry and is widely used in news publishing, packaging, advertising, labels, promotional materials and other fields.

[0003] The winding roller is an important component of the printing press, which is used to wind up the finished product after printing. During the winding process of the printed product, the winding roller needs to be loaded and unloaded. However, in the prior art, when loading and unloading the winding roller, the staff needs to use a lifting method to install the winding roller to the winding position of the printing press. This method is not convenient for loading and unloading the winding roller, and the equipment is less convenient to use. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a lifting and loading and unloading structure of a printing press, which can facilitate the loading and unloading of a winding roller and improve the convenience of using the equipment.

[0005] Technical Solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a printing press lifting and unloading structure, comprising a base plate and a lifting and unloading mechanism, wherein two groups of guide grooves are symmetrically arranged on the base plate, and the lifting and unloading mechanism comprises two groups of push-pull cylinders and a winding roller, the two groups of push-pull cylinders are symmetrically fixedly installed on the top of the base plate, the output ends of the two groups of push-pull cylinders are fixedly connected with movable plates, the two groups of movable plates are slidably installed on the base plate by cooperating with the guide grooves, a winding motor is fixedly installed on a group of movable plates on the front side, and transmission shafts are rotatably installed on the two groups of movable plates, the output end of the winding motor is fixedly connected to the front end of a group of transmission shafts on the front side, the two groups of transmission shafts are fixedly connected with U-shaped connecting sleeves, the two groups of U-shaped connecting sleeves are threadedly installed with limiting bolts, the left and right ends of the winding roller are fixedly provided with connecting shafts, the two groups of connecting shafts are respectively clamped on the two groups of U-shaped connecting sleeves under the action of the limiting bolts, the top of the base plate is symmetrically fixedly installed with two groups of lifting cylinders, and the output ends of the two groups of lifting cylinders are fixedly connected with arc trays.

[0007] Preferably, a material unloading platform is fixedly connected to the right side of the top end of the base plate, and two groups of pillars are symmetrically fixedly connected to the right side of the bottom end of the material unloading platform, and the bottom ends of the two groups of pillars are level with the bottom end of the base plate.

[0008] Preferably, a protective cushion is fixedly provided on the top inclined surface of the unloading platform.

[0009] Preferably, a non-slip pad is fixedly connected to the top arc surface of the arc tray.

[0010] Preferably, the right ends of the two groups of limit bolts are fixedly connected with a twisting piece.

[0011] Compared with the prior art, the utility model has the following beneficial effects: when in use, by starting the winding motor, the winding motor drives the U-shaped connecting sleeve to rotate through the transmission shaft, so that the U-shaped connecting sleeve drives the winding roller to rotate through the connecting shaft, and the printed finished product is wound up through the rotation of the winding roller. When unloading, the staff controls the winding roller to rotate through the winding motor, so that the winding roller drives the U-shaped connecting sleeve to rotate through the connecting shaft until the opening faces upward, and then starts the lifting cylinder to make the lifting cylinder push the arc surface tray to move upward, so that the arc surface tray supports the winding roller with the finished product rolled up, and then unscrews the limit bolt to release the restriction on the connecting shaft, and then starts the lifting cylinder to make the lifting cylinder continue to push the arc surface tray to move upward. Then, the arc-surface pallet lifts up the winding roller with the finished product rolled up, so that the connecting shaft is separated from the U-shaped connecting sleeve. Then, by starting the push-pull cylinder, the push-pull cylinder pushes the movable plate to slide outward, so that the U-shaped connecting sleeve is away from the connecting shaft. The arc-surface pallet can be driven downward by the lifting cylinder to make the arc-surface pallet descend with the finished product roll, and the winding roller can be removed. After removal, the new roller is placed on the arc-surface pallet and lifted up, so that the connecting shaft and the U-shaped connecting sleeve are aligned. Then, the push-pull cylinder is started, so that the push-pull cylinder pulls the movable plate to slide inward, so that the connecting shaft is inserted into the U-shaped connecting sleeve. Finally, the limit bolt is screwed onto the U-shaped connecting sleeve to limit the connecting shaft to complete the installation, thereby facilitating the loading and unloading of the winding roller and improving the convenience of equipment use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0013] Figure 2 It is a partial axonometric structural schematic diagram of the utility model;

[0014] Figure 3 This utility model Figure 2 A right view structural diagram of ;

[0015] Figure 4 It is a schematic diagram of the axonometric structure of the U-shaped connecting sleeve connected to the transmission shaft and the limit bolt in the utility model;

[0016] Markings in the attached figure: 1. Base plate; 2. Moving plate; 3. Push-pull cylinder; 4. Winding motor; 5. Transmission shaft; 6. U-shaped connecting sleeve; 7. Limit bolt; 8. Winding roller; 9. Connecting shaft; 10. Lifting cylinder; 11. Arc tray; 12. Unloading table; 13. Pillar; 14. Protective cushion; 15. Anti-slip cushion; 16. Twist piece. DETAILED DESCRIPTION

[0017] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0018] Example

[0019] See also Figure 1-Figure 4 The utility model discloses a lifting and loading and unloading structure of a printing press, comprising a bottom plate 1, two groups of guide grooves are symmetrically arranged on the bottom plate 1, two groups of push-pull cylinders 3 are symmetrically fixedly installed on the top of the bottom plate 1, the output ends of the two groups of push-pull cylinders 3 are fixedly connected with a moving plate 2, the two groups of moving plates 2 are slidably installed on the bottom plate 1 by cooperating with the guide grooves, a winding motor 4 is fixedly installed on a group of moving plates 2 on the front side, and a transmission shaft 5 is rotatably installed on the two groups of moving plates 2, the output end of the winding motor 4 is fixedly connected to the front end of a group of transmission shafts 5 on the front side, the two groups of transmission shafts 5 are fixedly connected with a U-shaped connecting sleeve 6, and the two groups of U-shaped connecting sleeves 6 are fixedly connected to the front end of the transmission shaft 5 on the front side. Limit bolts 7 are screwed through them, and connecting shafts 9 are fixed at both ends of the winding roller 8. The two sets of connecting shafts 9 are respectively clamped on the two sets of U-shaped connecting sleeves 6 under the action of the limit bolts 7. Two sets of lifting cylinders 10 are symmetrically fixedly installed on the top of the bottom plate 1, and the output ends of the two sets of lifting cylinders 10 are fixedly connected with arc trays 11; when in use, by starting the winding motor 4, the winding motor 4 drives the U-shaped connecting sleeve 6 to rotate through the transmission shaft 5, so that the U-shaped connecting sleeve 6 drives the winding roller 8 to rotate through the connecting shaft 9, and the printed finished product is wound up by the rotation of the winding roller 8. When unloading, the staff controls the winding motor 4 to rotate. The winding roller 8 is controlled to rotate, so that the winding roller 8 drives the U-shaped connecting sleeve 6 to rotate until the opening faces upward through the connecting shaft 9, and then the lifting cylinder 10 is started to make the lifting cylinder 10 push the arc surface tray 11 to move upward, so that the arc surface tray 11 holds the winding roller with the finished product rolled up, and then the limit bolt 7 is unscrewed to release the restriction on the connecting shaft 9, and then the lifting cylinder 10 is started again to make the lifting cylinder 10 continue to push the arc surface tray 11 to move upward, and then the arc surface tray 11 lifts the winding roller with the finished product rolled up, so that the connecting shaft 9 is separated from the U-shaped connecting sleeve 6, and then the push-pull cylinder 3 is started to make the push-pull cylinder 3 push the moving The movable plate 2 slides outward to make the U-shaped connecting sleeve 6 away from the connecting shaft 9, and the arc tray 11 can be driven downward by the lifting cylinder 10 to make the arc tray 11 lower with the finished roll, and the winding roller can be removed. After removal, the new roller is placed on the arc tray 11 and lifted up to align the connecting shaft 9 with the U-shaped connecting sleeve 6, and then the push-pull cylinder 3 is started to make the push-pull cylinder 3 pull the movable plate 2 to slide inward, so that the connecting shaft 9 is inserted into the U-shaped connecting sleeve 6, and finally the limit bolt 7 is screwed onto the U-shaped connecting sleeve 6 to limit the connecting shaft 9 to complete the installation, thereby facilitating the loading and unloading of the winding roller and improving the convenience of equipment use.

[0020] A material unloading platform 12 is fixedly connected to the right side of the top of the base plate 1, and two groups of pillars 13 are symmetrically fixedly connected to the right side of the bottom end of the material unloading platform 12, and the bottom ends of the two groups of pillars 13 are level with the bottom end of the base plate 1; by setting the material unloading platform 12, when the lifting cylinder 10 lowers the winding roller to the lowest point through the arc surface tray 11, the arc surface tray 11 is level with the top end of the material unloading platform 12, and then the winding roller can be pushed, and the winding roller can be slowly rolled down along the material unloading platform 12 with manual support, thereby further improving the convenience of unloading the winding roller.

[0021] A protective cushion 14 is fixedly disposed on the top inclined surface of the unloading platform 12 ; by providing the protective cushion 14 , damage to the finished product can be avoided when the winding roller rolls with the finished product.

[0022] The top arc surface of the arc surface tray 11 is fixedly connected with an anti-skid pad 15 . The anti-skid pad 15 can prevent the arc surface tray 11 from slipping when supporting the winding roller with the finished product rolled up.

[0023] The right ends of the two groups of limit bolts 7 are fixedly connected with a screwing piece 16; by providing the screwing piece 16, the limit bolts 7 can be more convenient to screw.

[0024] The utility model discloses a lifting and loading and unloading structure of a printing machine. Its working principle is that when in use, by starting the winding motor 4, the winding motor 4 drives the U-shaped connecting sleeve 6 to rotate through the transmission shaft 5, so that the U-shaped connecting sleeve 6 drives the winding roller 8 to rotate through the connecting shaft 9, and the printed finished product is wound up through the rotation of the winding roller 8. When unloading, the staff controls the winding roller 8 to rotate through the winding motor 4, so that the winding roller 8 drives the U-shaped connecting sleeve 6 to rotate to the opening facing upward through the connecting shaft 9, and then starts the lifting cylinder 10, so that the lifting cylinder 10 pushes the arc tray 11 to move upward, so that the arc tray 11 supports the winding roller with the finished product rolled up, and then unscrews the limit bolt 7 to release the restriction on the connecting shaft 9, and then starts the lifting cylinder 10 to make the lifting cylinder 10 continues to push the curved surface tray 11 to move upward, so that the curved surface tray 11 lifts the winding roller with the finished product, so that the connecting shaft 9 is separated from the U-shaped connecting sleeve 6, and then the push-pull cylinder 3 is started to make the push-pull cylinder 3 push the movable plate 2 to slide outward, so that the U-shaped connecting sleeve 6 is away from the connecting shaft 9, and the curved surface tray 11 can be driven to move downward by the lifting cylinder 10, so that the curved surface tray 11 holding the finished product roll is lowered, and the winding roller can be removed. After unloading, the new roller is placed on the curved surface tray 11 and lifted up, so that the connecting shaft 9 is aligned with the U-shaped connecting sleeve 6, and then the push-pull cylinder 3 is started to make the push-pull cylinder 3 pull the movable plate 2 to slide inward, so that the connecting shaft 9 is inserted into the U-shaped connecting sleeve 6, and finally the limit bolt 7 is screwed onto the U-shaped connecting sleeve 6 to limit the connecting shaft 9 to complete the installation.

[0025] The installation method, connection method or setting method of the printing press lifting and unloading structure of the utility model are all common mechanical methods, and can be implemented as long as they can achieve their beneficial effects; the winding motor, push-pull cylinder and lifting cylinder of the printing press lifting and unloading structure of the utility model are purchased on the market, and technicians in this industry only need to install and operate them according to the accompanying instruction manual.

[0026] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A lifting and loading and unloading structure for a printing press, comprising a bottom plate (1), characterized in that: It also includes a lifting and loading and unloading mechanism; A bottom plate (1), wherein two groups of guide grooves are symmetrically arranged on the bottom plate (1); The lifting and unloading mechanism comprises two groups of push-pull cylinders (3) and a winding roller (8), the two groups of push-pull cylinders (3) are symmetrically fixedly installed on the top of a bottom plate (1), the output ends of the two groups of push-pull cylinders (3) are fixedly connected to a moving plate (2), the two groups of moving plates (2) are slidably installed on the bottom plate (1) by cooperating with a guide groove, a winding motor (4) is fixedly installed on a group of moving plates (2) on the front side, a transmission shaft (5) is rotatably installed on the two groups of moving plates (2), and the output end of the winding motor (4) is connected to a front side. The front ends of the two transmission shafts (5) are fixedly connected, and U-shaped connecting sleeves (6) are fixedly connected to the two transmission shafts (5). Limiting bolts (7) are threadedly installed on the two U-shaped connecting sleeves (6). Connecting shafts (9) are fixedly provided at both left and right ends of the winding roller (8). The two connecting shafts (9) are respectively clamped on the two U-shaped connecting sleeves (6) under the action of the limiting bolts (7). Two lifting cylinders (10) are symmetrically fixedly installed on the top of the bottom plate (1), and the output ends of the two lifting cylinders (10) are fixedly connected to arc-surface trays (11).

2. A printing press lifting and loading and unloading structure as claimed in claim 1, characterized in that: A material unloading platform (12) is fixedly connected to the right side of the top end of the base plate (1), and two groups of pillars (13) are symmetrically fixedly connected to the right side of the bottom end of the material unloading platform (12), and the bottom ends of the two groups of pillars (13) are level with the bottom end of the base plate (1).

3. A printing press lifting and loading and unloading structure as claimed in claim 2, characterized in that: A protective cushion (14) is fixedly provided on the top inclined surface of the unloading platform (12).

4. A printing press lifting and loading and unloading structure as claimed in claim 3, characterized in that: An anti-slip cushion (15) is fixedly connected to the top arc surface of the arc surface tray (11).

5. A printing press lifting and loading and unloading structure as claimed in claim 4, characterized in that: The right ends of the two groups of limit bolts (7) are fixedly connected with a twisting piece (16).

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