Calibration device for two-dimensional code scanner production

By designing an auxiliary calibration mechanism and a paper QR code placement mechanism, the problem of QR code scanner angle adjustment was solved, enabling multi-angle scanning tests and calibration of QR codes of different sizes and materials, thus improving the flexibility and accuracy of the calibration device.

CN223966907UActive Publication Date: 2026-03-03MAANSHAN ZHISHENG TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-03-03

AI Technical Summary

Technical Problem

Existing calibration devices make it difficult to adjust the horizontal angle of the QR code scanner during use, making calibration difficult.

Method used

A calibration device was designed, which includes an auxiliary calibration mechanism and a paper QR code placement mechanism. The angle of the placement rack is adjusted by moving the connecting block and the rack through an electric push rod, and the paper QR code inside the transparent protective sleeve can adapt to the calibration requirements of different sizes and materials.

Benefits of technology

It enables multi-angle scanning tests of QR code scanners, adapts to QR code calibration of different sizes and materials, and improves the flexibility and accuracy of calibration.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of calibration devices, and discloses a calibration device for two-dimensional code scanner production, which comprises a fixed pad, a support frame is fixed at the top of the fixed pad, and a mounting pad is fixed at the top of the support frame; the device is provided with an auxiliary calibration mechanism, and a rotating shaft drives a placement frame and a two-dimensional code scanner placed on the placement frame to rotate, so that the two-dimensional code scanner can perform angle adjustment and multi-angle code scanning test, and the production calibration of the two-dimensional code scanner is facilitated; the device is provided with a paper two-dimensional code placing mechanism, a paper two-dimensional code can be movably inserted into a transparent protective sleeve, two-dimensional codes of different sizes, different contrast ratios and different materials can be directly placed, the position of the transparent protective sleeve in the horizontal direction can be finely adjusted, the calibration detection requirement of two-dimensional code scanner production can be met, and the production efficiency is improved. The two-dimensional code can be replaced and the horizontal position can be adjusted according to actual conditions.
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Description

Technical Field

[0001] This utility model relates to the field of calibration device technology, specifically a calibration device used in the production of QR code scanners. Background Technology

[0002] The calibration device used in the production of QR code scanners is mainly used to ensure the accuracy, sensitivity and compatibility of the scanner, enabling it to correctly recognize QR codes of different sizes, contrasts, materials and complexities.

[0003] However, existing calibration devices typically involve placing a QR code scanner in the corresponding position and then directly scanning a paper QR code. This makes it difficult to adjust the horizontal angle of the QR code scanner during calibration. Therefore, those skilled in the art have provided a calibration device for QR code scanner production to address the problems mentioned in the background section. Utility Model Content

[0004] The purpose of this invention is to provide a calibration device for the production of QR code scanners, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A calibration device for the production of QR code scanners includes a fixing pad, a support frame fixed to the top of the fixing pad, a mounting pad fixed to the top of the support frame, an auxiliary calibration mechanism provided on the top of the fixing pad, and a paper QR code placement mechanism mounted on the top of the fixing pad.

[0007] The auxiliary calibration mechanism includes an electric push rod, with a movable connecting block fixed to one end of the output shaft of the electric push rod. Guide sliders are provided on both sides of the movable connecting block. A support rail is fixed to the top of the fixed pad. A metal connecting column is fixed to one side of the movable connecting block. A movable rack is fixed to one end of the metal connecting column. A guide block is fixed to one side of the movable rack. A guide limit sleeve is installed on the top of the mounting pad. A rotating shaft is connected to the top of the mounting pad through a bearing. A connecting gear is fixed to the outside of the rotating shaft. A placement frame is fixed to the outside of the rotating shaft.

[0008] As a further embodiment of this utility model: the paper QR code placement mechanism includes a metal bracket, a metal connecting pad is fixed at the bottom of the metal bracket, an anti-detachment slider is fixed on the outside of the metal connecting pad, an anti-detachment groove is provided on the top of the fixing pad, a movable bracket is installed on the top of the metal bracket, a fixing plate is fixed on the top of the movable bracket, and a transparent protective sleeve is installed on one side of the fixing plate.

[0009] As a further improvement of this utility model: the fixing pad is slidably connected to the anti-dislodgement slider through the anti-dislodgement groove, and the transparent protective sleeve and the movable bracket are fixedly connected.

[0010] As a further improvement of this utility model: the inside of the transparent protective sleeve is provided with a placement groove, and the bottom surface of the metal connecting pad is in contact with the fixing pad.

[0011] As a further embodiment of this utility model: the placement rack and the connecting gear are fixedly connected, and the electric push rod and the fixing pad are fixedly connected.

[0012] As a further embodiment of this utility model: the guide slider is slidably sleeved on the outside of the support rail, and the guide limiting sleeve has a guide groove inside that matches the size of the guide block.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This device is equipped with an auxiliary calibration mechanism, which allows the moving rack to drive the connecting gear meshing with it to rotate. The rotating shaft simultaneously drives the placement frame and the QR code scanner placed on the placement frame to rotate, enabling the QR code scanner to perform angle adjustment and multi-angle scanning tests, which is beneficial for the production calibration of the QR code scanner.

[0015] 2. This device is equipped with a paper QR code placement mechanism. Paper QR codes can be inserted into the transparent protective sleeve, allowing for the direct placement of QR codes of different sizes, contrasts, and materials. Furthermore, the horizontal position of the transparent protective sleeve can be finely adjusted to meet the calibration and testing requirements of QR code scanner production. The QR codes can be replaced and the horizontal position adjusted according to actual conditions. Attached Figure Description

[0016] Figure 1 A perspective view of a calibration device used in the production of QR code scanners;

[0017] Figure 2 Another structural diagram of a calibration device used in the production of QR code scanners;

[0018] Figure 3 This is a schematic diagram of the auxiliary calibration mechanism in a calibration device used in the production of QR code scanners.

[0019] Figure 4 for Figure 1 A magnified diagram of region A.

[0020] In the diagram: 1. Fixing pad; 2. Support frame; 3. Mounting pad; 4. Auxiliary calibration mechanism; 41. Electric push rod; 42. Moving connecting block; 43. Guide slider; 44. Support rail; 45. Metal connecting column; 46. Moving rack; 47. Guide block; 48. Guide limit sleeve; 49. Rotating shaft; 410. Connecting gear; 411. Placement rack; 5. Paper QR code placement mechanism; 51. Metal bracket; 52. Metal connecting pad; 53. Anti-detachment slider; 54. Anti-detachment groove; 55. Moving bracket; 56. Fixing plate; 57. Transparent protective sleeve. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-4 In this embodiment of the utility model, the calibration device for the production of QR code scanners includes a fixing pad 1, a support frame 2 fixed on the top of the fixing pad 1, an mounting pad 3 fixed on the top of the support frame 2, an auxiliary calibration mechanism 4 provided on the top of the fixing pad 1, and a paper QR code placement mechanism 5 installed on the top of the fixing pad 1.

[0023] The auxiliary calibration mechanism 4 includes an electric push rod 41. A movable connecting block 42 is fixed to one end of the output shaft of the electric push rod 41. Guide sliders 43 are provided on both sides of the movable connecting block 42. A support rail 44 is fixed to the top of the fixed pad 1. A metal connecting post 45 is fixed to one side of the movable connecting block 42. A movable rack 46 is fixed to one end of the metal connecting post 45. A guide block 47 is fixed to one side of the movable rack 46. A guide limiting sleeve 48 is installed on the top of the mounting pad 3. A rotating shaft 49 is connected to the top of the mounting pad 3 via a bearing. A connecting gear 410 is fixed to the outside of the rotating shaft 49. A placement frame 411 is fixed to the outside of the rotating shaft 49. The placement frame 411 and the connecting gear 410 are fixedly connected. The electric push rod 41 is fixedly connected to the fixed pad 1. The guide sliders 43 are slidably sleeved on the outside of the support rail 44. The guide limiting sleeve 48 is located inside... A guide groove adapted to the size of the guide block 47 is provided. During the calibration of the QR code scanner production, the corresponding QR code scanner is placed on the placement rack 411, and the paper QR code is placed in the transparent protective sleeve 57. Then, the electric push rod 41 is activated, so that one end of the electric push rod 41 drives the moving connecting block 42 to move horizontally. The guide sliders 43 on both sides of the moving connecting block 42 can slide on the outside of the corresponding support rail 44 respectively. Moreover, the moving connecting block 42 drives the moving rack 46 to move through the metal connecting column 45, so that the moving rack 46 drives the connecting gear 410 meshing with it to rotate. The rotating shaft 49 simultaneously drives the placement rack 411 and the QR code scanner placed on the placement rack 411 to rotate, so that the QR code scanner can be adjusted in angle and scanned at multiple angles, which is beneficial to the production calibration of the QR code scanner.

[0024] As one embodiment of this utility model, the paper QR code placement mechanism 5 includes a metal bracket 51, a metal connecting pad 52 fixed at the bottom of the metal bracket 51, an anti-detachment slider 53 fixed on the outside of the metal connecting pad 52, an anti-detachment groove 54 on the top of the fixing pad 1, a movable bracket 55 installed on the top of the metal bracket 51, a fixing plate 56 fixed on the top of the movable bracket 55, a transparent protective sleeve 57 installed on one side of the fixing plate 56, the fixing pad 1 is slidably connected to the anti-detachment slider 53 through the anti-detachment groove 54, the transparent protective sleeve 57 and the movable bracket 55 are fixedly connected, a placement groove is opened inside the transparent protective sleeve 57, and the bottom surface of the metal connecting pad 52 is in contact with the fixing pad 1.

[0025] The working principle of this utility model is as follows: This device is equipped with an auxiliary calibration mechanism 4. When calibrating the QR code scanner during production, the corresponding QR code scanner is placed on the placement rack 411, and the paper QR code is placed inside the transparent protective sleeve 57. Then, the electric push rod 41 is activated, causing one end of the electric push rod 41 to move the moving connecting block 42 horizontally. The guide sliders 43 on both sides of the moving connecting block 42 can slide on the outside of the corresponding support rail 44. Moreover, the moving connecting block 42 drives the moving rack 46 through the metal connecting column 45, causing the moving rack 46 to drive the connecting gear 410 meshing with it to rotate. The rotating shaft 49 simultaneously drives the placement rack 411 and the placement rack. The QR code scanner placed on 411 rotates, allowing for angle adjustment and multi-angle scanning tests, which is beneficial for QR code scanner production calibration. This device is equipped with a paper QR code placement mechanism 5, and paper QR codes can be inserted into the transparent protective sleeve 57. It can directly place QR codes of different sizes, contrasts, and materials. Moreover, the horizontal position of the transparent protective sleeve 57 can be finely adjusted. During adjustment, the metal bracket 51 is moved, causing the metal connecting pad 52 to move the anti-dislodgement slider 53 horizontally. This can adapt to the calibration and testing needs of QR code scanner production, and the QR code can be replaced and the horizontal position adjusted according to the actual situation.

[0026] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A calibration device for the production of QR code scanners, comprising a fixing pad (1), characterized in that, The top of the fixing pad (1) is fixed with a support frame (2), the top of the support frame (2) is fixed with an mounting pad (3), the top of the fixing pad (1) is provided with an auxiliary calibration mechanism (4), and the top of the fixing pad (1) is installed with a paper QR code placement mechanism (5). The auxiliary calibration mechanism (4) includes an electric push rod (41), one end of the output shaft of the electric push rod (41) is fixed with a movable connecting block (42), both sides of the movable connecting block (42) are provided with guide sliders (43), the top of the fixed pad (1) is fixed with a support rail (44), one side of the movable connecting block (42) is fixed with a metal connecting column (45), one end of the metal connecting column (45) is fixed with a movable rack (46), one side of the movable rack (46) is fixed with a guide block (47), the top of the mounting pad (3) is installed with a guide limit sleeve (48), the top of the mounting pad (3) is connected to a rotating shaft (49) through a bearing, the outside of the rotating shaft (49) is fixed with a connecting gear (410), and the outside of the rotating shaft (49) is fixed with a placement frame (411).

2. The calibration device for QR code scanner production according to claim 1, characterized in that, The paper QR code placement mechanism (5) includes a metal bracket (51), a metal connecting pad (52) is fixed at the bottom of the metal bracket (51), an anti-detachment slider (53) is fixed on the outside of the metal connecting pad (52), an anti-detachment groove (54) is provided on the top of the fixing pad (1), a movable bracket (55) is installed on the top of the metal bracket (51), a fixing plate (56) is fixed on the top of the movable bracket (55), and a transparent protective sleeve (57) is installed on one side of the fixing plate (56).

3. The calibration device for QR code scanner production according to claim 2, characterized in that, The fixing pad (1) is slidably connected to the anti-detachment slider (53) through the anti-detachment groove (54), and the transparent protective sleeve (57) and the movable bracket (55) are fixedly connected.

4. The calibration device for QR code scanner production according to claim 2, characterized in that, The transparent protective sleeve (57) has a placement groove inside, and the bottom surface of the metal connecting pad (52) is in contact with the fixing pad (1).

5. The calibration device for QR code scanner production according to claim 1, characterized in that, The placement rack (411) and the connecting gear (410) are fixedly connected, and the electric push rod (41) and the fixing pad (1) are fixedly connected.

6. The calibration device for QR code scanner production according to claim 1, characterized in that, The guide slider (43) is slidably sleeved on the outside of the support rail (44), and the guide limiting sleeve (48) has a guide groove inside that matches the size of the guide block (47).