Pressing spring type LCD (Liquid Crystal Display) positioning jig for intelligent face attendance machine

Abstract

The utility model discloses a pressing spring type liquid crystal display (LCD) positioning jig for an intelligent face attendance machine. The pressing spring type LCD positioning jig comprises a base plate, a positioning pin is fixedly connected to the upper surface of the base plate, an LCD screen is movably connected to the upper surface of the base plate, a shell material is movably connected to the upper surface of the LCD screen, and a positioning jig is movably connected to the upper surface of the shell material. Through the structure, the LCD screen, the shell material and the positioning jig are sequentially installed, then the positioning jig is manually pressed to enable the LCD screen to be attached to the shell material, and then the position of the positioning jig is determined through movable connection of the pin holes and the positioning pins on the base plate. And then the position of the shell material is adjusted through the positioning jig, and after the position of the shell material is determined, the position of the LCD screen is determined through the shell material. In this way, the pressing spring type LCD can be fully utilized for positioning and attaching, the pressing plate is pressed through the positioning column, accurate and rapid positioning and attaching can be achieved, and operation efficiency is improved. The precision of fitting of the LCD and the front shell is improved, and the productivity is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of LCD positioning fixtures for intelligent face attendance machines in the electronics industry, in particular to a spring-pressed LCD positioning fixture for intelligent face attendance machines. Background Art

[0002] The facial attendance machine collects facial data through a camera, or imports students' facial photos through the system to create files. When someone is in the recognition area of ​​the facial recognition attendance machine, the attendance machine obtains feature values ​​from the collected photos through the facial recognition algorithm and analyzes and compares them with the feature values ​​of facial photos pre-stored in the database. It will quickly record the attendance status and save the records.

[0003] The current LCD lamination shell material positioning requires the use of cylindrical elliptical positioning columns for each operation. The elliptical positioning column operation is prone to cause LCD deviation, which cannot meet the product attachment requirements. The cylindrical elliptical positioning column operation has a low yield rate. Utility Model Content

[0004] The utility model provides a spring-pressing LCD positioning fixture for an intelligent face attendance machine, which can improve the efficiency of the LCD and shell material bonding operation by using the spring-pressing LCD positioning fixture, and can improve the timeliness of the operation and the efficiency by the spring-pressing positioning and pressing and bonding operation.

[0005] In order to achieve the above-mentioned purpose, a spring-loaded LCD positioning jig for an intelligent face attendance machine is provided, comprising a substrate, a positioning pin is fixedly connected to the upper surface of the substrate, an LCD screen is movably connected to the upper surface of the substrate, a shell material is movably connected to the upper surface of the LCD screen, and a positioning jig is movably connected to the upper surface of the shell material. The positioning pin is provided to facilitate the determination of the position of the positioning jig to adjust the function of the LCD screen and the shell material, and the positioning jig is provided to facilitate the positioning with the positioning pin and the positioning column to adjust the function of the LCD screen and the shell material.

[0006] According to the described intelligent face attendance machine pressing spring type LCD positioning fixture, a speaker hole is provided above the LCD screen, and a screen positioning column is provided on the upper surface of the LCD screen away from the speaker hole. The speaker hole is provided to facilitate alignment with the second jig positioning column to facilitate adjustment of the position of the LCD screen, and the screen positioning column is provided to facilitate alignment of the screen positioning column with the first positioning column, the second positioning column, the first jig positioning column and the second jig positioning column to position the LCD screen and the shell material.

[0007] According to the described intelligent face attendance machine pressing spring type LCD positioning jig, the upper surface of the shell material is fixedly connected with positioning column 2, and the upper surface of the shell material away from positioning column 2 is fixedly connected with positioning column 1. The positioning column 2 is provided to facilitate the alignment of the speaker hole and the second jig positioning column to adjust the LCD screen and the shell material, and the positioning column 1 is provided to facilitate the alignment of the positioning column 1 with the first jig positioning column.

[0008] According to the described intelligent face attendance machine pressing spring type LCD positioning jig, the upper surface of the positioning jig is provided with a No. 1 jig positioning column, the upper surface of the positioning jig away from the No. 1 jig positioning column is provided with a No. 2 jig positioning column, and the lower surface of the positioning jig is provided with a pin hole. The No. 1 jig positioning column is provided to facilitate alignment of the positioning column 1 with the No. 1 jig positioning column to adjust the function of the shell material, and the No. 2 jig positioning column is provided to facilitate alignment of the positioning column 2 with the No. 2 jig positioning column to adjust the function of the shell material.

[0009] According to the spring-pressed LCD positioning fixture of the intelligent face attendance machine, the LCD screen is in a disc shape, and the shell material is in a disc shape.

[0010] According to the described intelligent face attendance machine pressing spring type LCD positioning jig, the number of the pin holes and the positioning pins are both multiple, and the number of the pin holes and the number of the positioning pins are the same. The pin holes and the positioning pins are provided to facilitate the fixing of the LCD positioning jig to align the LCD screen with the shell material.

[0011] The beneficial effects of the utility model are as follows: the position of the LCD screen is adjusted by aligning the speaker hole position on the LCD with the positioning column on the jig. Before the shell material is attached, the LCD and the shell material are positioned by the positioning pin, and the pressure plate positioning column is aligned with the shell material and the screen positioning column to adjust the shell material position. The spring-type LCD positioning press can accurately position, improve the efficiency of the LCD and shell material attachment operation, improve the operation efficiency, improve the timeliness of the operation, and improve the production capacity.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0014] Figure 1 This is a three-dimensional diagram of the external structure of a spring-type LCD positioning fixture for an intelligent face attendance machine of the utility model;

[0015] Figure 2This is a schematic diagram of the substrate structure of a spring-type LCD positioning fixture for an intelligent face attendance machine of the utility model;

[0016] Figure 3 This is a schematic diagram of the LCD screen of a spring-type LCD positioning fixture for an intelligent face attendance machine of the utility model;

[0017] Figure 4 This is a schematic diagram of the shell material structure of a spring-type LCD positioning fixture for an intelligent face attendance machine of the utility model;

[0018] Figure 5 The utility model is a schematic diagram of the structure of an LCD positioning fixture of a spring-type LCD positioning fixture for an intelligent face attendance machine.

[0019] Legend:

[0020] 1. Substrate; 2. Positioning pins; 3. LCD screen; 4. Speaker hole; 5. Screen positioning column; 6. Shell material; 7. Positioning column one; 8. Positioning column two; 9. Positioning jig; 10. Positioning column of jig No. 1; 11. Positioning column of jig No. 2; 12. Pin hole. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figures 1 to 5 The utility model embodiment is a spring-loaded LCD positioning fixture for an intelligent face attendance machine, which includes a substrate 1, a positioning pin 2 is fixedly connected to the upper surface of the substrate 1, an LCD screen 3 is movably connected to the upper surface of the substrate 1, a shell material 6 is movably connected to the upper surface of the LCD screen 3, and a positioning fixture 9 is movably connected to the upper surface of the shell material 6. The center of the substrate 1 is a circular groove for placing the LCD screen 3 and the shell material 6.

[0023] A speaker hole 4 is provided above the LCD screen 3, and a screen positioning column 5 is provided on the upper surface of the LCD screen 3 away from the speaker hole 4. The speaker hole 4 on the LCD screen 3 is circular as a whole, and is aligned with the second positioning column 8 of the shell material 6, and the second positioning column 8 of the shell material 6 is aligned with the second jig positioning column 11 of the positioning jig 9, and the upper positioning jig 9 can be used to adjust the positions of the LCD screen 3 and the shell material 6.

[0024] The upper surface of the shell material 6 is fixedly connected with a second positioning post 8, and the upper surface of the shell material 6 away from the second positioning post 8 is fixedly connected with a first positioning post 7. The second positioning post 8 needs to be aligned with the speaker hole 4 below and the second jig positioning post 11 above to adjust the LCD screen 3 and the shell material 6 to align the positioning jig 9.

[0025] The upper surface of the positioning jig 9 is provided with a No. 1 jig positioning column 10, and the upper surface of the positioning jig 9 away from the No. 1 jig positioning column 10 is provided with a No. 2 jig positioning column 11, and the lower surface of the positioning jig 9 is provided with a pin hole 12. The No. 1 jig positioning column 10 is aligned with the positioning column 1 7 above the shell material 6 to adjust the position of the shell material 6, the No. 2 jig positioning column 11 is used to align the positioning column 2 8 and the speaker hole 4 to adjust the position of the shell material 6 and the LCD screen 3, and the pin hole 12 is used to flexibly connect with the positioning pin 2 to determine the position of the positioning jig 9. After the position of the positioning jig 9 is determined, the position of the shell material 6 and the LCD screen 3 can be determined according to the No. 1 jig positioning column 10 and the No. 2 jig positioning column 11, so as to complete rapid positioning and improve efficiency.

[0026] The LCD screen 3 is in the shape of a disk, and the shell material 6 is in the shape of a disk.

[0027] There are multiple pin holes 12 and multiple positioning pins 2, and the number of pin holes 12 is the same as the number of positioning pins 2. Pin holes 12 are used to flexibly connect with positioning pins 2 to determine the position of positioning jig 9. After the position of positioning jig 9 is determined, the positions of shell material 6 and LCD screen 3 can be determined according to jig No. 1 positioning column 10 and jig No. 2 positioning column 11 to improve work efficiency.

[0028] Working principle: When working, install the LCD screen 3, shell material 6 and positioning jig 9 in sequence, then manually press the positioning jig 9 to make the LCD screen 3 fit with the shell material 6, and then flexibly connect the pin hole 12 with the positioning pin 2 on the substrate 1 to determine the position of the positioning jig 9. Then, align the No. 1 jig positioning column 10 above the positioning jig 9 with the positioning column 1 to adjust the position of the shell material 6. After determining the position of the shell material 6, align the positioning column 2 above the shell material 6 with the speaker hole 4 to determine the position of the LCD screen 3.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A spring-loaded LCD positioning fixture for an intelligent face attendance machine, comprising a substrate (1), characterized in that: The upper surface of the substrate (1) is fixedly connected to a positioning pin (2), the upper surface of the substrate (1) is movably connected to an LCD screen (3), the upper surface of the LCD screen (3) is movably connected to a shell material (6), and the upper surface of the shell material (6) is movably connected to a positioning jig (9).

2. According to claim 1, a spring-loaded LCD positioning fixture for an intelligent face attendance machine is characterized in that: A speaker hole (4) is arranged above the LCD screen (3), and a screen positioning column (5) is arranged on the upper surface of the LCD screen (3) away from the speaker hole (4).

3. According to claim 2, a spring-loaded LCD positioning fixture for an intelligent face attendance machine is characterized in that: The upper surface of the shell material (6) is fixedly connected to a second positioning column (8), and the upper surface of the shell material (6) away from the second positioning column (8) is fixedly connected to a first positioning column (7).

4. According to claim 3, the spring-type LCD positioning fixture for the intelligent face attendance machine is characterized in that: A first jig positioning column (10) is arranged on the upper surface of the positioning jig (9), a second jig positioning column (11) is arranged on the upper surface of the positioning jig (9) away from the first jig positioning column (10), and a pin hole (12) is arranged on the lower surface of the positioning jig (9).

5. According to claim 4, a spring-loaded LCD positioning fixture for an intelligent face attendance machine is characterized in that: The LCD screen (3) is in the shape of a disk, and the shell material (6) is in the shape of a disk.

6. The spring-loaded LCD positioning fixture for an intelligent face attendance machine according to claim 5, characterized in that: The number of the pin holes (12) and the number of the positioning pins (2) are both multiple, and the number of the pin holes (12) and the number of the positioning pins (2) are the same.

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