CN217818432U - Automatic line ruler detection device - Google Patents

Abstract

The utility model discloses a line chi automatic checkout device, this detection device includes platform base, line chi detection clamping platform, automatic visual detection device and laser interferometer etc., the platform base is the marble material, is equipped with the locating hole on it, and line chi detection clamping platform is fixed in on the marble base through the locating hole, and automatic visual detection device is fixed in line chi detection clamping platform one side, and the laser interferometer is used for being as length standard device, and "V" type support that the equidistance was placed is used for the detection of three wait metal line chi to fix; the ruler hook alignment lock is used for fixedly mounting ruler hooks of tape rulers, and the linear ruler fixing clamps are arranged at equal intervals for fixing linear ruler belts; the laser interferometer is used as a length standard device and is arranged at one end of the detection platform, a matched reflecting mirror of the laser interferometer is fixed on the guide rail sliding block, and the interference mirror is fixed on the base. The device can realize the quick automatic detection of the line ruler, and obviously provides the detection work efficiency.

Description

An automatic detection device for a linear scale

technical field

The utility model relates to the field of linear rulers, in particular to an automatic detection device for linear rulers.

Background technique

The main structure of the steel tape is a whole tape with certain elasticity, which is rolled in a ruler box or frame made of metal or plastic material. The end of the steel tape is equipped with a pull ring or a hook; With a button device for winding, the steel ruler includes ordinary steel ruler and cotton fiber steel ruler. It is a measuring tool for measuring length. It is made of stainless steel sheet. The working section, the other end is arc-shaped and has a hanging hole. The third-class metal linear ruler is a rigid ruler, and its engraved lines are on two inclined surfaces at an angle of 45° to the bottom surface. Both sides are engraved with engraved lines. The linear ruler is a commonly used length measurement tool. Its products cover a wide range of specifications and varieties, and the demand is large. The production demand of a large number of linear ruler products also puts forward higher requirements for its detection mode.

At present, the detection of linear rulers in the industry mainly relies on manual detection, manual recording, manual analysis and feedback. At the same time, there are many locations and quantities that need to be detected, the detection cost is low, the manual detection efficiency is low, and the detection personnel need a certain level of technology, which is complicated. The manual detection method requires a lot of labor intensity for the detection personnel, so it is necessary to develop an automatic detection device for the linear scale.

Utility model content

In order to overcome the above-mentioned defects of the prior art, the utility model provides an automatic detection device for a linear scale to solve the problems existing in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: an automatic detection device for a linear ruler, the detection device includes a platform base, a linear ruler detection and clamping platform, an automatic visual detection device and a laser interferometer length standard device, etc. , the platform base is made of marble, and a positioning hole is provided on it, the linear ruler detection and clamping platform is fixed on the marble base through the positioning hole, and the automatic visual inspection device is fixed on one side of the linear ruler detection and clamping platform, The laser interferometer is used as a length standard device and is installed at one end of the linear ruler detection and clamping platform; the linear ruler detection and clamping platform includes a "V"-shaped bracket, a linear ruler fixing clip, an experimental plate, a ruler hook alignment lock and Platform feet and other devices, the "V"-shaped brackets placed at equal distances are used for the detection and fixation of third-class metal linear rulers; the experimental plate is fixed on the marble base through the platform feet, and the linear ruler fixing clips and ruler hooks are aligned on the platform Lock, ruler hook alignment lock is used for fixed installation of tape measure ruler hooks, linear ruler fixing clips are placed equidistantly for fixing linear ruler tape; automatic visual inspection device includes linear guide rail, camera, servo motor, PLC controller, Servo drive, etc., the linear guide rail is fixed on one side of the experimental plate, and one end is connected to the servo motor. Two visual detection and recognition cameras are installed on the guide rail slider, which are used for different types of linear scale detection. The servo motor is driven and controlled by PLC, and communicates with the host computer. Connection, the specified distance movement and visual inspection are realized through the host computer; the laser interferometer is installed at one end of the inspection platform as a length standard device, and its matching mirror is fixed on the guide rail slider, and the interferometer is fixed on the base.

Technical effect and advantage of the present utility model:

The detection device has a simple structure and is easy to operate. It adopts non-contact machine vision detection technology with higher detection accuracy and better stability. Compared with the manual naked eye detection method using a microscope in the traditional method, the detection efficiency of this device is higher, and the technical ability requirements of the detection personnel are lower; the use of machine vision detection, combined with the development of software can realize one-stop recording of detection data and data analysis feedback.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the utility model.

Fig. 2 is a top view structural diagram of the utility model.

The reference signs are: 1. Laser head; 2. Interference mirror; 3. Ruler hook alignment lock; 4. Round head screw; 5. Linear ruler fixing clip; 6. Experimental plate; ;9. The camera used for the side detection of the experimental platform; 10. The linear guide rail; 11. The third-class metal linear ruler; 12. The fixed frame; 16. The camera for "V" type bracket detection; 17. The first working block; 18. The protective device; 19. The guide rail installation device; 20. The working column; 21. The working ruler; 22. The working device.

Detailed ways

The technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. In addition, the forms of the structures described in the following embodiments are only examples, and a wire related to the present invention The automatic ruler detection device is not limited to the structures described in the following embodiments, and all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention.

The utility model provides an automatic detection device for a linear ruler. Referring to FIG. 1, the detection device includes a platform base 15, a linear ruler detection and clamping platform, an automatic visual detection device and a laser interferometer length standard device, etc., wherein the linear The measuring and clamping platform for the ruler includes a "V" bracket 14, a fixing clip 5 for the ruler, an experimental plate 6, a ruler hook alignment lock 3 and platform feet 13, and the "V" brackets 14 placed equidistantly are used to fix the The third-class metal linear ruler 11; the experimental plate 6 is fixed on the marble base through the platform feet 13, and the platform is equipped with a linear ruler fixing clip 5 and a ruler hook alignment lock 3, and the ruler hook alignment lock 3 is used for tape measure ruler hooks The fixed installation of the line pattern ruler, the line pattern ruler fixing clip 5 is equidistantly placed for fixing the line pattern ruler tape.

Referring to Figure 2, the visual inspection part of the automated visual inspection device is different. The fixed bracket 8 is installed on the linear guide rail 10, and the servo motor is connected to the rolling shaft of the linear guide rail 10; the camera 9 used for the detection of the experimental platform side includes a "V" type bracket detection The cameras 16 are fixed on both sides of the linear guide rail 10 respectively.

Referring to Figure 2, the length standard device of the laser interferometer, the laser head 1 is installed on one end of the clamping platform for linear scale detection, and connected to the marble base through the fixing frame 12, the interference mirror 2 is installed on the fixing frame 12 with a screw rod, and the reflector 7 Installed on the fixed bracket 8.

Referring to Fig. 2, the linear ruler fixing clip 5 is fixed on the side of the experimental platform by using a "T" type slider nut, and a round head screw 4 with a rotating thread is installed on the top.

With reference to Figure 2, the ruler hook is aligned with the lock 3, and the ruler hook is locked with a screw rod and a fixed block, and the front and rear distance adjustment is fine-tuned through the knob.

Referring to FIG. 2 , the top of the experimental panel 6 is fixedly connected with a guide rail installation device 19 , the inside of the guide rail installation device 19 is fixedly connected with a guard 18 , and the top of the guard 18 is fixedly connected with a first working block 17 .

Referring to Fig. 2, the inside of the camera 9 used for the detection of the experimental platform side is fixedly connected with a working ruler 21, the top of the working ruler 21 is fixedly connected with a working device 22, and the top of the working ruler 21 is fixedly connected with a working column 20.

The working principle of the first embodiment of the utility model: the detection device has a simple structure and is easy to operate. It adopts non-contact machine vision detection technology, has higher detection accuracy and better stability, and is suitable for a variety of line scales of different specifications. Detection can carry out multiple parameter detection at the same time. Compared with the manual naked eye detection method using a microscope in the traditional method, the detection efficiency of this device is higher, and the technical ability of the detection personnel is lower; the use of machine vision detection combined with the development of software can realize One-stop recording of test data and data analysis feedback.

The last few points should be explained: First, in the description of this application, it should be explained that, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, which can be mechanical connection Or electrical connection, it can also be the internal communication of two components, it can be directly connected, "up", "down", "left", "right", etc. are only used to indicate the relative positional relationship, when the absolute position of the object being described Change, the relative positional relationship may change;

Secondly: in the accompanying drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are involved. Other structures can refer to the usual design. Under the condition of no conflict, the same embodiment of the utility model and different embodiments can be used mutually. combination;

Finally: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the utility model shall include Within the protection scope of the present utility model.

Claims (7)

1. A linear ruler automatic detection device, the detection device comprises a platform base (15), a linear ruler detection and clamping platform, an automatic visual detection device and a laser interferometer length standard device, etc., wherein the linear ruler detection clamping The platform includes a "V"-shaped bracket (14), a linear ruler fixing clip (5), an experimental plate (6), a ruler hook alignment lock (3) and platform feet (13), and is characterized in that "V" placed at equal distances " type support (14) is used for fixing the third-class metal linear ruler (11) to be checked; the experimental plate (6) is fixed on the marble base by platform feet (13), and the linear ruler fixing clip (5 ) and the ruler hook alignment lock (3), the ruler hook alignment lock (3) is used for the fixed installation of the tape measure ruler hook, and the linear ruler fixing clip (5) is placed equidistantly for fixing the linear ruler tape. 2. The automatic detection device for a linear ruler according to claim 1, characterized in that: the visual detection part of the automatic visual detection device is different from the fixed bracket (8) installed on the linear guide rail (10), and the servo motor It is connected with the rolling shaft of the linear guide rail (10); the camera (9) used for the detection of the experimental platform side includes a camera (16) for "V" type bracket detection, which is respectively fixed on both sides of the linear guide rail (10). 3. A linear ruler automatic detection device according to claim 1, characterized in that: the laser interferometer length standard device, the laser head (1) is installed on one end of the linear ruler detection and clamping platform, and fixed The frame (12) is connected to the marble base, the interference mirror (2) is installed on the fixed frame (12) by a screw mandrel, and the reflecting mirror (7) is installed on the fixed bracket (8). 4. A linear ruler automatic detection device according to claim 1, characterized in that: the linear ruler fixing clip (5) is fixed on the side of the experimental platform by a "T" type slider nut, and the top is installed There is a round head screw (4) with a rotating thread. 5. An automatic detection device for a linear ruler according to claim 1, characterized in that: the ruler hook is aligned with the lock (3), the ruler hook is locked with a screw rod and a fixed block, and the front and rear distance adjustment is fine-tuned through a knob. 6. A kind of linear ruler automatic detection device according to claim 1, is characterized in that: the top of described experiment plate (6) is fixedly connected with guide rail installation device (19), and the guide rail installation device (19) A protective device (18) is fixedly connected inside, and a first working block (17) is fixedly connected to the top of the protective device (18). 7. A kind of linear ruler automatic detection device according to claim 2, characterized in that: the inside of the camera (9) used for the detection of the experimental platform side is fixedly connected with a working ruler (21), and the working ruler A working device (22) is fixedly connected to the top of the (21), and a working column (20) is fixedly connected to the top of the working ruler (21).

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