Anti-offset positioning device for back text printing

By designing a back-printing anti-offset positioning device, a two-way bolt and spring system is used to position the material, solving the problem of object offset during printing and improving printing accuracy and cleaning effect.

CN224130707UActive Publication Date: 2026-04-17KUNSHAN WANYUANTONG ELECTRONICS TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
KUNSHAN WANYUANTONG ELECTRONICS TECH
Filing Date
2025-06-11
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

Existing printing equipment is prone to causing object displacement during the printing process, resulting in printing misalignment and affecting the quality of the finished product.

Method used

A back-printing anti-deviation positioning device is adopted, which uses bidirectional bolts to drive the movable rod to move, the connecting block to drive the positioning block to squeeze and position the material, and uses the elastic force of the spring to maintain the positioning, while using a cleaning roller to clean the surface of the material.

Benefits of technology

It effectively prevents objects from shifting during the printing process, improves printing accuracy and finished product quality, and keeps the material surface clean.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a back text printing anti-deviation positioning device which comprises a main body, a support is fixedly connected to the bottom end of the main body, a transmission assembly is arranged in the main body, a fixed shell is fixedly connected to the top end of the main body, and a printing assembly is fixedly connected to the top end in the fixed shell. A positioning mechanism is arranged at the bottom end of the interior of the fixed shell, a fixed block is fixedly connected to the inner wall of the fixed shell, a sliding groove is formed in the bottom end of the fixed block, by rotating a rotating disc, the rotating disc drives a bidirectional bolt to rotate, the bidirectional bolt rotates to drive two movable rods to move in the opposite directions, and the movable rods move to drive connecting blocks to move; the connecting blocks drive the positioning blocks to extrude and position materials, the positioning blocks are extruded to move in the movable grooves and extrude the first springs, the first springs are extruded to position the materials through the positioning blocks by means of self elasticity, then the positions of the positioning blocks are kept, and the printing effect is improved.
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Description

Technical Field

[0001] This utility model relates to the field of printing equipment technology, specifically to a back-printing anti-deviation positioning device. Background Technology

[0002] Reverse printing, also known as back printing, is a technique commonly used in printing processes, primarily for situations where patterns or text need to be printed on the back of a material. Its basic principle is to first print the image, text, or other graphic on the back of the paper or other substrate, and then present the front view through a transparent or semi-transparent material.

[0003] While existing printing equipment can meet daily printing needs, there is still a problem where objects tend to shift during printing, leading to misalignment and poor quality of the final product. Utility Model Content

[0004] The purpose of this invention is to provide a back printing anti-offset positioning device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a back-printing anti-offset positioning device, comprising a main body, a bracket fixedly connected to the bottom end of the main body, a transmission component disposed inside the main body, a fixed outer shell fixedly connected to the top end of the main body, a printing component fixedly connected to the top end inside the fixed outer shell, a positioning mechanism disposed at the bottom end inside the fixed outer shell, a fixing block fixedly connected to the inner wall of the fixed outer shell, and a sliding groove provided at the bottom end of the fixing block.

[0006] As a further preferred embodiment of this technical solution, the inner wall of the slide is rotatably connected with a bidirectional bolt, and the outer wall of the bidirectional bolt is respectively provided with a positive thread and a negative thread. The outer walls of the positive thread and the negative thread are both rotatably connected with a movable rod.

[0007] As a further preferred embodiment of this technical solution, the movable rod is slidably connected to the inner wall of the groove, a connecting block is fixedly connected to the bottom end of the movable rod, a movable groove is provided on the outer wall of the connecting block, and a first spring is fixedly connected to the inner wall of the movable groove.

[0008] As a further preferred embodiment of this technical solution, a positioning block is fixedly connected to the outer wall of the first spring, the positioning block is slidably connected to the inner wall of the movable groove, a rotating wheel is rotatably connected to the outer wall of the positioning block, and a turntable is fixedly connected to the outer wall of the bidirectional bolt.

[0009] As a further preferred embodiment of this technical solution, a cleaning mechanism is provided at the inner top of the fixed housing, and a fixed arm is fixedly connected to the inner top of the fixed housing.

[0010] As a further preferred embodiment of this technical solution, a cavity is provided at the bottom end of the fixed arm, a second spring is fixedly connected to the top end of the cavity, and a moving rod is fixedly connected to the bottom end of the second spring.

[0011] As a further preferred embodiment of this technical solution, a connecting frame is fixedly connected to the bottom end of the moving rod, and a cleaning roller is rotatably connected to the inner wall of the connecting frame.

[0012] This utility model provides a back-printing anti-deviation positioning device, which has the following beneficial effects:

[0013] (1) This utility model rotates a turntable, which drives the bidirectional bolt to rotate. The rotation of the bidirectional bolt drives two movable rods to move in opposite directions. The movement of the movable rods drives the connecting block to move. The connecting block drives the positioning block to squeeze and position the material. The positioning block is squeezed and moves inside the movable groove and squeezes the first spring. The first spring is squeezed and relies on its own elasticity to position the material by the positioning block, thereby maintaining the position of the positioning block and improving the printing effect.

[0014] (2) In this utility model, the cleaning roller is squeezed and the connecting frame drives the moving rod to move inside the cavity. The moving rod squeezes the second spring. The second spring is squeezed and uses its own elasticity to apply a downward squeezing force to the moving rod, thereby driving the cleaning roller to clean the surface of the material. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall three-dimensional appearance structure of this utility model;

[0016] Figure 2 This is a schematic cross-sectional view of the overall structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the positioning mechanism structure of this utility model;

[0018] Figure 4 This is a schematic diagram of the cleaning mechanism structure of this utility model.

[0019] In the diagram: 1. Main body; 2. Support frame; 3. Transmission assembly; 4. Fixed outer shell; 5. Printing assembly; 6. Positioning mechanism; 61. Fixing block; 62. Slide groove; 63. Bidirectional bolt; 64. Positive thread; 65. Negative thread; 66. Movable rod; 67. Connecting block; 68. Movable groove; 69. First spring; 610. Positioning block; 611. Rotary wheel; 612. Turntable; 7. Cleaning mechanism; 71. Fixed arm; 72. Cavity; 73. Second spring; 74. Moving rod; 75. Connecting frame; 76. Cleaning roller. Detailed Implementation

[0020] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0021] This utility model provides a technical solution: such as Figures 1 to 4 As shown, in this embodiment, a back printing anti-offset positioning device includes a main body 1, a bracket 2 fixedly connected to the bottom of the main body 1, a transmission component 3 disposed inside the main body 1, a fixed outer shell 4 fixedly connected to the top of the main body 1, a printing component 5 fixedly connected to the top of the inner side of the fixed outer shell 4, a positioning mechanism 6 disposed at the bottom of the inner side of the fixed outer shell 4, a fixing block 61 fixedly connected to the inner wall of the fixed outer shell 4, and a sliding groove 62 opened at the bottom of the fixing block 61.

[0022] The inner wall of the slide 62 is rotatably connected to a bidirectional bolt 63, and the outer wall of the bidirectional bolt 63 is respectively provided with a positive thread 64 and a negative thread 65. The outer walls of both the positive thread 64 and the negative thread 65 are rotatably connected to a movable rod 66.

[0023] The rotation of the bidirectional bolt 63 can drive the two movable rods 66 to move in opposite directions.

[0024] The movable rod 66 is slidably connected to the inner wall of the slide groove 62. The bottom end of the movable rod 66 is fixedly connected to the connecting block 67. The outer wall of the connecting block 67 is provided with a movable groove 68. The inner wall of the movable groove 68 is fixedly connected to the first spring 69.

[0025] The movable rod 66 can move the connecting block 67 by moving the movable rod 66.

[0026] The first spring 69 has a positioning block 610 fixedly connected to its outer wall, the positioning block 610 is slidably connected to the inner wall of the movable groove 68, the positioning block 610 has a rotating wheel 611 rotatably connected to its outer wall, and the bidirectional bolt 63 has a turntable 612 fixedly connected to its outer wall.

[0027] The material above the transmission component 3 can be positioned by using two positioning blocks 610 in cooperation.

[0028] The cleaning mechanism 7 is provided at the top of the inner part of the fixed housing 4, and the fixed arm 71 is fixedly connected to the top of the inner part of the fixed housing 4.

[0029] The cleaning mechanism 7 can clean the surface of the material to be printed.

[0030] The fixed arm 71 has a cavity 72 at its bottom end, and a second spring 73 is fixedly connected to the top of the cavity 72. A moving rod 74 is fixedly connected to the bottom of the second spring 73.

[0031] The second spring 73 can drive the moving rod 74 to reset without being affected by external force.

[0032] The bottom end of the movable rod 74 is fixedly connected to a connecting frame 75, and a cleaning roller 76 is rotatably connected to the inner wall of the connecting frame 75.

[0033] The movement of the movable rod 74 can cause the cleaning roller 76 to fit tightly against the surface of the material.

[0034] This utility model provides a back-printing anti-deviation positioning device, the specific working principle of which is as follows:

[0035] In use, the material to be printed is placed above the conveying assembly 3. During the movement of the material, it squeezes the cleaning roller 76. The squeezing of the cleaning roller 76, driven by the connecting frame 75, moves the moving rod 74 inside the cavity 72. The moving rod 74 squeezes the second spring 73. The squeezed second spring 73 applies a downward squeezing force to the moving rod 74 based on its own elasticity, thereby driving the cleaning roller 76 to clean the surface of the material. During the movement of the material, there may be deviation. Rotating the turntable 612 drives the bidirectional bolt 63 to rotate. The rotation of the bidirectional bolt 63 drives the two movable rods 66 to move in opposite directions. The movement of the movable rods 66 drives the connecting block 67 to move. The connecting block 67 drives the positioning block 610 to squeeze and position the material. The positioning block 610, squeezed, moves inside the movable groove 68 and squeezes the first spring 69. The squeezed first spring 69 uses its own elasticity to position the material with the positioning block 610, thereby maintaining the position of the positioning block 610 and improving the printing effect.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A back-printed, anti-drift positioning device comprising a body (1), characterized in that: The bottom of the main body (1) is fixedly connected to a bracket (2), the inside of the main body (1) is provided with a transmission component (3), the top of the main body (1) is fixedly connected to a fixed shell (4), the top of the inside of the fixed shell (4) is fixedly connected to a printing component (5), the bottom of the inside of the fixed shell (4) is provided with a positioning mechanism (6), the inner wall of the fixed shell (4) is fixedly connected to a fixing block (61), and the bottom of the fixing block (61) is provided with a sliding groove (62).

2. The back-printed, anti-offset positioning device of claim 1, wherein: The inner wall of the groove (62) is rotatably connected to a bidirectional bolt (63), and the outer wall of the bidirectional bolt (63) is respectively provided with a positive thread (64) and a negative thread (65). The outer walls of the positive thread (64) and the negative thread (65) are both rotatably connected to a movable rod (66).

3. A back printing anti-offset positioning device according to claim 2, wherein: The movable rod (66) is slidably connected to the inner wall of the slide groove (62). A connecting block (67) is fixedly connected to the bottom end of the movable rod (66). An movable groove (68) is opened on the outer wall of the connecting block (67). A first spring (69) is fixedly connected to the inner wall of the movable groove (68).

4. The back printing anti-offset positioning device according to claim 3, wherein: The outer wall of the first spring (69) is fixedly connected to a positioning block (610), the positioning block (610) is slidably connected to the inner wall of the movable groove (68), the outer wall of the positioning block (610) is rotatably connected to a rotating wheel (611), and the outer wall of the bidirectional bolt (63) is fixedly connected to a turntable (612).

5. A back printing anti-offset positioning device according to claim 4, wherein: A cleaning mechanism (7) is provided at the top of the interior of the fixed housing (4), and a fixed arm (71) is fixedly connected to the top of the interior of the fixed housing (4).

6. The anti-offset positioning device for reverse printing according to claim 5, characterized in that: The bottom end of the fixed arm (71) is provided with a cavity (72), and a second spring (73) is fixedly connected to the top end of the cavity (72), and a moving rod (74) is fixedly connected to the bottom end of the second spring (73).

7. A back printing anti-offset positioning device according to claim 6, wherein: The bottom end of the movable rod (74) is fixedly connected to a connecting frame (75), and a cleaning roller (76) is rotatably connected to the inner wall of the connecting frame (75).