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CN-224212043-U - Paper positioning mechanism for printing machine

CN224212043UCN 224212043 UCN224212043 UCN 224212043UCN-224212043-U

Abstract

The utility model provides a paper positioning mechanism for a printing machine, which comprises a bottom plate and a workbench, wherein the workbench is arranged at the central position of the upper surface of the bottom plate, four groups of mounting grooves are symmetrically arranged on two sides of the workbench, a first electric push rod is fixedly connected in each group of mounting grooves, the output ends of every two adjacent groups of first electric push rods are jointly connected with a connecting base, the top surface of the connecting base is fixedly connected with a conveying assembly through a fixing rod, the height of the conveying assembly is matched with that of the workbench, four groups of second electric push rods are uniformly distributed and symmetrically arranged at four corners of the upper surface of the bottom plate, the output ends of the second electric push rods are jointly connected with a top plate, the top plate is arranged at the position above the workbench, a pressing plate is arranged on the bottom surface of the top plate, a pressing assembly is arranged between four corners of the upper surface of the pressing plate and the top plate, and the conveying assembly comprises a connecting block and a conveying frame, and one side of the conveying frame is fixedly connected with the connecting block.

Inventors

  • JIN JIANFENG
  • LV RUI
  • XIA JUN
  • HUANG WANLIN
  • Tian Mengyan
  • LI HUI

Assignees

  • 灵之裕印刷材料(重庆)有限公司

Dates

Publication Date
20260508
Application Date
20250623

Claims (7)

  1. 1. The paper positioning mechanism for the printer comprises a bottom plate (1) and a workbench (2) and is characterized in that the workbench (2) is arranged at the central position of the upper surface of the bottom plate (1), four groups of mounting grooves (3) are symmetrically formed in two sides of the workbench (2), each group of mounting grooves (3) is internally and fixedly connected with a first electric push rod (4), the output ends of every two adjacent groups of first electric push rods (4) are jointly connected with a connecting base (5), the top surfaces of the connecting bases (5) are fixedly connected with a conveying assembly (6) through fixing rods (501), and the height of the conveying assembly (6) is matched with that of the workbench (2); Four groups of second electric push rods (7) are symmetrically arranged on four corners of the upper surface of the bottom plate (1) in an evenly distributed mode, top plates (8) are connected with the output ends of the second electric push rods (7) together, the top plates (8) are arranged at the upper position of the workbench (2), pressing plates (801) are arranged on the bottom surfaces of the top plates (8), and pressing assemblies (9) are arranged between four corners of the upper surface of the pressing plates (801) and the top plates (8).
  2. 2. A paper positioning mechanism for a printing press as defined in claim 1, wherein the conveying assembly (6) comprises a connecting block (601) and a conveying frame (602), two groups of fixing rods (501) are mounted on the upper surface of each group of the connecting base (5), the top ends of each two adjacent groups of fixing rods (501) are connected to the bottom surface of the connecting block (601) together, and one side of the conveying frame (602) is fixedly connected with one side of the connecting block (601).
  3. 3. A paper positioning mechanism for a printer according to claim 2, wherein the conveying shafts (10) are provided on both sides of the conveying frame (602), the conveying belt (11) is sleeved on the outer surface of the conveying frame (602), the conveying belt (11) is driven by the conveying shafts (10), and paper is conveyed by the two groups of conveying belts (11) during printing processing.
  4. 4. A paper positioning mechanism for a printing machine according to claim 2, wherein the side baffles (12) are fixedly connected to one side of the upper surface of each of the two groups of connecting blocks (601), the two groups of side baffles (12) are correspondingly arranged, and the two sides of the paper are limited when the paper is conveyed through the two groups of side baffles (12).
  5. 5. A paper positioning mechanism for a printer according to claim 1, wherein corner plates (13) are fixedly connected to four corners of the top plate (8), the output ends of the second electric push rods (7) are fixedly connected to the bottom surfaces of four groups of corner plates (13), and the distance between every two adjacent groups of corner plates (13) is larger than the length of the connecting base (5).
  6. 6. A paper positioning mechanism for a printer according to claim 1, wherein the pressing assembly (9) comprises a push rod (901) and a pressing rod (902), the top surface of the push rod (901) is fixedly connected to the bottom surface of the top plate (8), the bottom surface of the pressing rod (902) is fixedly connected to the top surface of the pressing plate (801), and the bottom end of the pressing rod (902) is slidably connected to the inside of the push rod (901).
  7. 7. The paper positioning mechanism for a printer according to claim 6, wherein arc-shaped corners (14) are arranged on two sides of the pressing plate (801), a damping rod (15) is arranged inside the ejector rod (901), a compression spring (16) is arranged around the outer surface of the damping rod (15), and the bottom end of the damping rod (15) is fixedly connected with the top end of the pressing rod (902).

Description

Paper positioning mechanism for printing machine Technical Field The utility model relates to the technical field of paper positioning of printers, in particular to a paper positioning mechanism for a printer. Background Printing is a technique of transferring ink onto surfaces of materials such as paper, textiles, plastics, leather, PVC, PC and the like by performing procedures such as plate making, ink application, pressurization and the like on originals such as characters, pictures, photos and anti-counterfeiting, and copying original contents in batches. Printing is to transfer approved printing plate to the printing stock through printing machine and special ink, and the paper needs to be installed first during printing, but the existing printing machine lacks paper locating mechanism, so that the paper is easy to deviate during delivery. The utility model provides a paper positioning mechanism for printing machine that publication number "CN 217947020U" provided, including the device body, the device body includes base, mounting cabinet, workstation, first positioner, second positioner, conveyer belt and suction anti-shift device, the base is located device body bottom, the mounting cabinet is installed at the base top, the workstation is installed at the mounting cabinet top, first positioner and second positioner are the symmetry mode and install both ends about the workstation top, the suction anti-shift device is installed inside the mounting cabinet, the recess has been seted up to workstation top middle-end, the conveyer belt is installed in the recess, can fix a position the effect of righting the paper of slope effectively to make things convenient for the printing machine to carry out printing work to the paper, and this kind of device easy operation, the staff of being convenient for uses. The above device still has the following problems in the implementation: The printer paper positioning mechanism of current device has lacked the positioning mechanism at paper top when using, and positioning accuracy is lower, when need the printing of independent material loading to thick various specification cardboard of thickness, current positioning mechanism lacks effectual adaptability adjustment ability, leads to the paper to appear skew, crooked scheduling problem easily at the in-process of printing transport to cause quality defects such as printing pattern dislocation, the overprinting is inaccurate, has not only reduced printing efficiency, still increases rejection rate and manufacturing cost. Disclosure of utility model The present utility model is directed to a paper positioning mechanism for a printing press, which solves the above-mentioned problems of the prior art. In order to achieve the above purpose, the present utility model provides the following technical solutions: The paper positioning mechanism for the printer comprises a bottom plate and a workbench, wherein the workbench is arranged at the central position of the upper surface of the bottom plate, four groups of mounting grooves are symmetrically formed in two sides of the workbench, each group of mounting grooves is internally and fixedly connected with a first electric push rod, the output ends of every two adjacent groups of first electric push rods are commonly connected with a connecting base, the top surfaces of the connecting bases are fixedly connected with a conveying assembly through fixing rods, and the height of the conveying assembly is matched with that of the workbench; Four groups of second electric push rods are symmetrically arranged at four corners of the upper surface of the bottom plate in an evenly distributed mode, the output ends of the second electric push rods are connected with a top plate together, the top plate is arranged at the position above the workbench, a pressing plate is arranged on the bottom surface of the top plate, and a pressing assembly is arranged between four corners of the upper surface of the pressing plate and the top plate. Preferably, the conveying assembly comprises a connecting block and a conveying frame, two groups of fixing rods are mounted on the upper surface of each group of the connecting base, the top ends of every two adjacent groups of fixing rods are connected to the bottom surface of the connecting block together, and one side of the conveying frame is fixedly connected with one side of the connecting block. Preferably, the conveying shafts are arranged on two sides of the conveying frame, the conveying belts are sleeved on the outer surface of the conveying frame, the conveying shafts are used for driving the conveying belts, and when the printing processing is carried out, the paper is conveyed through the two groups of conveying belts. Preferably, two groups of side baffles are fixedly connected with one side of the upper surface of the connecting block, the two groups of side baffles are correspondingly arranged, and two sides of the connecting block are li