Device for measuring inner diameter of hollow copper rod

Abstract

The utility model provides a device for measuring the inner diameter of a hollow copper rod, which relates to the technical field of measuring instruments and comprises an operating platform, a case is mounted at the bottom end of the operating platform, and a fixing mechanism is mounted on the operating platform and consists of two fixing components. According to the utility model, through the arrangement of the fixing mechanism, the fixation of the hollow copper rod is facilitated, so that the stability during the detection of the inner diameter is ensured, and during the operation, a worker vertically places the hollow copper rod in the fixing mechanism and then starts the stepping motors in the two groups of fixing assemblies, and the stepping motors drive the two-way screws to rotate, so that the detection of the inner diameter of the hollow copper rod is realized. And then the arc-shaped extrusion plate is driven to clamp and fix the outer side face of the hollow copper rod under the driving of the moving plate, meanwhile, through the arrangement of the two sets of fixing assemblies, it is ensured that the center vertical line of the hollow copper rod coincides with the center vertical line of the pushing rod after fixing is completed, the mode is easy to operate, and later inner diameter detection of the hollow copper rod is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of measuring instruments, in particular to a hollow copper rod inner diameter measuring device. Background Art

[0002] The definition of inner diameter is: the diameter of the inner circle of a circular object, which is a straight line passing through the center of a hollow cylinder or a hollow sphere, with the two end points of the straight line on the inner surface of the object. In daily mechanical production and construction, inner diameter measurement is widely used, and the size of the error directly affects the stability and efficiency of machine production. If the inner diameter fit between instruments does not meet the standards, it is easy to produce unqualified products or even damage the machine, leading to production stagnation.

[0003] Currently, the most commonly used instrument for measuring inner diameters on the market is the vernier caliper. The error of the vernier caliper measurement depends on whether the moving parts on the vernier caliper are fixed and stable. There is no measuring handle, so the surveyor's hand is easy to slip, resulting in large errors. In addition, the complex measurement environment can easily cause the instrument to collide or fall and be damaged, increasing the measurement error and reducing the service life of the instrument.

[0004] Therefore, it is necessary to provide a hollow copper rod inner diameter measuring device to solve the above technical problems. Utility Model Content

[0005] The utility model provides a hollow copper rod inner diameter measuring device, which solves the problems in the background technology.

[0006] In order to solve the above technical problems, the utility model provides a hollow copper rod inner diameter measuring device, comprising an operating table, a cabinet is installed at the bottom of the operating table;

[0007] A fixing mechanism, the fixing mechanism is installed on the operating table, the fixing mechanism is composed of two fixing components, the fixing component includes an arc-shaped extrusion plate and a movable plate, a bidirectional screw is movably installed inside the chassis below the bottom of the operating table, one end of the bidirectional screw is connected to a stepping motor, a threaded hole is opened on the surface of the movable plate, and the movable plate is spirally connected to the bidirectional screw through the threaded hole;

[0008] The mounting frame is mounted on the top surface of the operating table, an electric push rod is vertically mounted on the top of the mounting frame, a push rod is arranged at the output end of the electric push rod, and micro laser rangefinders are symmetrically mounted on both sides of the push rod.

[0009] Preferably, an infrared receiver is embedded on the top surface of the operating table, and an infrared transmitter is vertically installed on the bottom end of the pushing rod.

[0010] Preferably, the position of the infrared receiver coincides with the center of the circle formed by the four arc-shaped extrusion plates.

[0011] Preferably, a slideway is provided through the top surface of the operating table.

[0012] Preferably, the inner width of the slideway is equal to the width of the movable plate.

[0013] Preferably, an inspection door is movably installed on the surface of the chassis.

[0014] Preferably, a controller is mounted on the surface of the mounting frame.

[0015] The above technical solution can be realized by setting a control panel control circuit through simple programming by technicians in this field. It is common knowledge in this field and is only used without modification, so the control method and circuit connection will not be described in detail.

[0016] Compared with the related art, the hollow copper rod inner diameter measuring device provided by the utility model has the following beneficial effects:

[0017] Compared with the prior art, the hollow copper rod inner diameter measuring device is convenient for fixing the hollow copper rod by setting a fixing mechanism, thereby ensuring stability during inner diameter detection. During operation, the staff vertically places the hollow copper rod inside the fixing mechanism, and then starts the stepper motors inside the two sets of fixing components. The stepper motor drives the bidirectional screw to rotate, and then the arc-shaped extrusion plate is driven by the moving plate to clamp and fix the outer side of the hollow copper rod. At the same time, the two sets of fixing components are set to ensure that the center vertical line of the hollow copper rod coincides with the center vertical line of the push rod after the fixing is completed. This method is simple to operate. Single, it is convenient to detect the inner diameter of the hollow copper rod in the later stage. Secondly, by setting the coordinated use of the electric push rod, the push rod and the micro laser rangefinder, it is convenient to measure the inner diameter of the hollow copper rod. After the hollow copper rod is fixed, the electric push rod is started, and then the electric push rod drives the push rod to move downward and extend to the inside of the hollow copper rod. Then the micro laser rangefinder is started, so that the two micro laser rangefinders measure the distance to the inner wall of the hollow copper rod. Finally, the sum of the vertical values ​​measured by the two micro laser rangefinders plus the diameter of the push rod is the inner diameter of the hollow copper rod. This method is simple to operate and is convenient for measuring the inner diameter of the hollow copper rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the structure of the hollow copper rod inner diameter measuring device provided by the utility model;

[0019] Figure 2 A schematic diagram of the slideway structure of the hollow copper rod inner diameter measuring device provided by the utility model;

[0020] Figure 3 A schematic diagram of the fixing mechanism structure of the hollow copper rod inner diameter measuring device provided by the utility model;

[0021] Figure 4 for Figure 1 A partial enlarged view of middle A.

[0022] Numbers in the figure:

[0023] 1. Operating table; 2. Mounting frame; 3. Controller; 4. Electric push rod; 5. Fixing mechanism; 6. Inspection door; 7. Slide; 8. Fixing assembly; 9. Arc extrusion plate; 10. Moving plate; 11. Bidirectional screw; 12. Threaded hole; 13. Stepping motor; 14. Push rod; 15. Mini laser rangefinder; 16. Infrared transmitter; 17. Infrared receiver. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0025] First embodiment

[0026] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in, Figure 1 A schematic diagram of the structure of the hollow copper rod inner diameter measuring device provided by the utility model; Figure 2 A schematic diagram of the slideway structure of the hollow copper rod inner diameter measuring device provided by the utility model; Figure 3 A schematic diagram of the fixing mechanism structure of the hollow copper rod inner diameter measuring device provided by the utility model; Figure 4 for Figure 1 A partial enlarged view of A in the middle. The hollow copper rod inner diameter measuring device comprises an operating table 1, and a cabinet is installed at the bottom of the operating table 1;

[0027] A fixing mechanism 5, which is installed on the operating table 1. The fixing mechanism 5 is composed of two fixing components 8, and the fixing component 8 includes an arc-shaped extrusion plate 9 and a movable plate 10. A bidirectional screw 11 is movably installed inside the chassis below the bottom of the operating table 1. A stepping motor 13 is connected to one end of the bidirectional screw 11. A threaded hole 12 is opened on the surface of the movable plate 10, and the movable plate 10 is spirally connected to the bidirectional screw 11 through the threaded hole 12;

[0028] The mounting frame 2 is mounted on the top surface of the operating table 1. An electric push rod 4 is vertically mounted on the top of the mounting frame 2. A push rod 14 is arranged at the output end of the electric push rod 4. Micro laser rangefinders 15 are symmetrically mounted on both sides of the push rod 14.

[0029] By setting the fixing mechanism 5, it is convenient to fix the hollow copper rod, so as to ensure the stability during the inner diameter detection. During the operation, the staff puts the hollow copper rod vertically inside the fixing mechanism 5, and then starts the stepper motor 13 inside the two sets of fixing components 8. The stepper motor 13 drives the bidirectional screw 11 to rotate, and then the arc-shaped extrusion plate 9 is driven by the moving plate 10 to clamp and fix the outer side of the hollow copper rod. At the same time, through the setting of the two sets of fixing components 8, it is ensured that the central vertical line of the hollow copper rod coincides with the central vertical line of the push rod 14 after the fixing is completed. This method is simple to operate and is convenient for the later hollow copper rod. The inner diameter of the hollow copper rod is detected. Secondly, the electric push rod 4, the push rod 14 and the micro laser rangefinder 15 are used in coordination to facilitate the measurement of the inner diameter of the hollow copper rod. After the hollow copper rod is fixed, the electric push rod 4 is started, and then the electric push rod 4 drives the push rod 14 to move downward and extend to the inside of the hollow copper rod. Then, the micro laser rangefinder 15 is started, so that the two micro laser rangefinders 15 measure the distance to the inner wall of the hollow copper rod. Finally, the sum of the vertical values ​​measured by the two micro laser rangefinders 15 plus the diameter of the push rod 14 is the inner diameter of the hollow copper rod. This method is simple to operate and is convenient for measuring the inner diameter of the hollow copper rod.

[0030] The working principle of the hollow copper rod inner diameter measuring device provided by the utility model is as follows:

[0031] When the hollow copper rod inner diameter measuring device is operated, the staff vertically places the hollow copper rod inside the fixing mechanism 5, and then starts the stepper motor 13 inside the two sets of fixing components 8. The stepper motor 13 drives the bidirectional screw 11 to rotate, and then the arc-shaped extrusion plate 9 is driven by the moving plate 10 to clamp and fix the outer side of the hollow copper rod. At the same time, the two sets of fixing components 8 are set to ensure that the center vertical line of the hollow copper rod coincides with the center vertical line of the push rod 14 after the fixing is completed. This method is simple to operate. After the hollow copper rod is fixed, the electric push rod 4 is started, and then the electric push rod 4 drives the push rod 14 to move downward and extend to the inside of the hollow copper rod, and then the micro laser rangefinder 15 is started, so that the two micro laser rangefinders 15 measure the distance to the inner wall of the hollow copper rod, and finally the sum of the vertical values ​​measured by the two micro laser rangefinders 15 plus the diameter of the push rod 14 is the inner diameter of the hollow copper rod. This method is simple to operate and is convenient for measuring the inner diameter of the hollow copper rod.

[0032] Second embodiment

[0033] Please refer to Figure 1-4 Based on the hollow copper rod inner diameter measuring device provided in the first embodiment of the present application, the second embodiment of the present application proposes another hollow copper rod inner diameter measuring device. The second embodiment is only a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0034] Specifically, the difference of the hollow copper rod inner diameter measuring device provided in the second embodiment of the present application is that an infrared receiver 17 is embedded and installed on the top surface of the operating table 1, and an infrared transmitter 16 is vertically installed at the bottom end of the pushing rod 14. By setting the infrared receiver 17 and the infrared transmitter 16, it is possible to ensure whether the position of the pushing rod 14 is offset.

[0035] By adopting this technical solution, the position of the infrared receiver 17 coincides with the center of the circle surrounded by the four arc-shaped extrusion plates 9. By setting the position of the infrared receiver 17 to coincide with the center of the circle surrounded by the four arc-shaped extrusion plates 9, it is ensured that when the hollow copper rod is fixed, the vertical center line of the push rod 14 coincides with the vertical center line of the hollow copper rod, thereby ensuring the accuracy of the measurement of the inner diameter of the hollow copper rod.

[0036] With this technical solution, a slideway 7 is provided through the top surface of the operating table 1 , and the slideway 7 is provided to facilitate the making way of the movable plate 10 .

[0037] By adopting this technical solution, the internal width of the slideway 7 is equal to the width of the movable plate 10. By setting the internal width of the slideway 7 to be equal to the width of the movable plate 10, it is convenient to improve the stability of the movable plate 10 moving inside the slideway 7, and it is convenient to drive the arc extrusion plate 9 to clamp and fix the hollow copper rod, thereby facilitating the later measurement of the inner diameter.

[0038] With this technical solution, an inspection door 6 is movably installed on the surface of the chassis. The inspection door 6 facilitates the inspection of parts inside the equipment.

[0039] With this technical solution, a controller 3 is installed on the surface of the mounting frame 2. By setting up the controller 3, it is convenient to control the electrical components inside the device. The control circuit of the controller 3 can be realized through simple programming by technicians in this field. It is common knowledge in this field and is only used without modification. Therefore, the control method and circuit connection will not be described in detail.

[0040] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. Hollow copper rod inner diameter measuring device, It is characterized in that It includes an operating table, and a cabinet is installed at the bottom of the operating table; A fixing mechanism, the fixing mechanism is installed on the operating table, the fixing mechanism is composed of two fixing components, the fixing component includes an arc-shaped extrusion plate and a movable plate, a bidirectional screw is movably installed inside the chassis below the bottom of the operating table, one end of the bidirectional screw is connected to a stepping motor, a threaded hole is opened on the surface of the movable plate, and the movable plate is spirally connected to the bidirectional screw through the threaded hole; The mounting frame is mounted on the top surface of the operating table, an electric push rod is vertically mounted on the top of the mounting frame, a push rod is arranged at the output end of the electric push rod, and micro laser rangefinders are symmetrically mounted on both sides of the push rod.

2. The hollow copper rod inner diameter measuring device according to claim 1, It is characterized in that An infrared receiver is embedded and installed on the top surface of the operating table, and an infrared transmitter is vertically installed on the bottom end of the pushing rod.

3. The hollow copper rod inner diameter measuring device according to claim 2, It is characterized in that The position of the infrared receiver coincides with the center of the circle surrounded by the four arc-shaped extrusion plates.

4. The hollow copper rod inner diameter measuring device according to claim 1, It is characterized in that A slideway is provided through the top surface of the operating table.

5. The hollow copper rod inner diameter measuring device according to claim 4, It is characterized in that The inner width of the slideway is equal to the width of the moving plate.

6. The hollow copper rod inner diameter measuring device according to claim 1, It is characterized in that An inspection door is movably installed on the surface of the chassis.

7. The hollow copper rod inner diameter measuring device according to claim 1, It is characterized in that A controller is mounted on the surface of the mounting frame.

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