Proximity sensor testing device

Abstract

The utility model belongs to the technical field of sensor testing, and discloses a proximity sensor testing device. The proximity sensor testing device comprises a base plate, the upper surface of the base plate is fixedly connected with a positioning table, the upper surface of the positioning table is fixedly connected with a supporting block, the upper surface of the supporting block is fixedly connected with an upper cover plate, a clamping mechanism is arranged above the positioning table, a driving motor is fixedly installed on the upper surface of the upper cover plate, and the driving motor is fixedly connected with the supporting block. And the output end of the driving motor penetrates through the upper cover plate and is fixedly connected with a driving wheel. According to the proximity sensor testing device, through the clamping device, on one hand, a proximity sensor can be conveniently installed and taken down, the situation that the proximity sensor cannot be taken down after installation and testing is avoided, and on the other hand, through the adjusting assembly arranged in the clamping device, the proximity sensor testing device can be suitable for proximity sensors with different diameters; and the application range of the device is effectively expanded.

Description

Technical Field

[0001] The utility model relates to the technical field of sensor testing, in particular to a proximity sensor testing device. Background Art

[0002] Proximity sensors are a general term for sensors that replace contact detection methods such as limit switches and are designed to detect without contacting the detection object. In order to ensure the reliability of proximity sensors, they must be tested before leaving the factory. However, existing test devices can usually only test a single proximity sensor by fixing it. The proximity sensor is usually fixed by welding, but this method is more troublesome to remove after the test is completed. Utility Model Content

[0003] The utility model aims to provide a proximity sensor testing device, which effectively solves the problem that the existing testing device can usually only fix and test a single proximity sensor, and the proximity sensor is usually fixed by welding, but this method is troublesome to remove after the test is completed.

[0004] To achieve the above purpose, the utility model is implemented through the following technical solutions: a proximity sensor testing device, comprising a substrate, a positioning platform is fixedly connected to the upper surface of the substrate, a support block is fixedly connected to the upper surface of the positioning platform, an upper cover is fixedly connected to the upper surface of the support block, a clamping mechanism is arranged above the positioning platform, a driving motor is fixedly installed on the upper surface of the upper cover, and the output end of the driving motor passes through the upper cover and is fixedly connected to a driving wheel;

[0005] The clamping mechanism includes a movable belt, a fixed block, a clamping cylinder, a guide groove, a movable block, an adjusting block, a push rod and an adjusting assembly. The upper surface of the positioning table is movably connected with the movable belt, the outer side of the movable belt is fixedly connected with the fixed block, the front side of the fixed block is fixedly connected with the clamping cylinder, the fixed block is provided with a guide groove, the inner side of the guide groove provided in the fixed block is movably connected with the movable block, and the movable block is fixedly connected to the back side of the clamping cylinder, the left and right sides of the fixed block are provided with grooves and movably connected with the adjusting block, the inner side of the adjusting block is fixedly connected with the push rod, and the interior of the fixed block is provided with an adjusting assembly.

[0006] Through the above technical scheme, the provided clamping mechanism is used in conjunction with the adjustment component. The push rod can be pushed through the adjustment block by pressing the adjustment block, and then the push rod further pushes the adjustment rod to expand the top of the adjustment rod outward, and at the same time drives the movable block to move outward to further push the clamping tube. The clamping tube moves outward to clamp and fix the proximity sensor or remove it, which is convenient for use.

[0007] Preferably, a driven belt is fixedly connected to the upper surface of the movable belt, and the driven belt is meshed with the driving wheel, a fixed rod is fixedly connected to the upper surface of the base plate, an electric slide rail is fixedly connected to the back of the fixed rod, the electric slide rail is slidably connected to a slider, an electric push rod is fixedly connected to the back of the slider, and a test plate is fixedly connected to the output end of the electric push rod.

[0008] Through the above technical solution, the present application relies on the electric slide rail and the electric push rod to enable the test plate to move horizontally, and uses the electric push rod to enable the test plate to approach or move away from the proximity sensor, thereby testing the limit test distance of the proximity sensor.

[0009] Preferably, the adjusting assembly includes a positioning shaft, an adjusting rod, a push rod, a positioning plate, a guide plate and a return spring, the interior of the fixed block is movably connected to the positioning shaft, the outer side of the positioning shaft is fixedly connected to the adjusting rod, the end of the adjusting rod away from the movable belt is rotatably connected to the push block via a rotating rod, the inner wall of the fixed block is fixedly connected to the positioning plate, a guide plate is arranged between the positioning plate and the adjusting rod, a return spring is arranged on the outer side of the guide plate, and both ends of the return spring are in contact with the guide plate and the adjusting rod respectively.

[0010] Through the above technical solution, the adjustment component of the present application enables the clamping cylinder to be adjusted to adapt to proximity sensors of different diameters, thereby making the device more widely applicable.

[0011] Preferably, ten groups of the clamping mechanisms are provided, and the ten groups of the clamping mechanisms are evenly distributed on the outside of the movable belt.

[0012] Preferably, matching grooves are provided on both left and right sides of the fixing block corresponding to the adjusting block, and limiting blocks are provided on the front and back sides of the adjusting block.

[0013] Preferably, a matching gear tooth groove is provided on the inner side of the driven belt corresponding to the driving wheel, and the upper surface of the driven belt is in contact with the upper cover plate.

[0014] By adopting the above technical solution, the beneficial effects of the utility model are:

[0015] The proximity sensor testing device can facilitate installation and removal of the proximity sensor through the clamping device, avoiding the situation where the proximity sensor cannot be removed after installation and testing. On the other hand, the adjustment component arranged in the clamping device can make it suitable for proximity sensors of different diameters, effectively increasing the scope of application of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 This is the front view of the utility model;

[0018] Figure 3 For this utility model Figure 2 Cross-sectional view at AA in the middle;

[0019] Figure 4 For this utility model Figure 3 Enlarged view of point B in the middle.

[0020] In the figure: 1. substrate; 2. positioning table; 3. support block; 4. upper cover; 5. clamping mechanism; 51. movable belt; 52. fixed block; 53. clamping cylinder; 54. guide groove; 55. movable block; 56. adjusting block; 57. push rod; 58. adjusting assembly; 581. positioning shaft; 582. adjusting rod; 583. push block; 584. positioning plate; 585. guide plate; 586. reset spring; 6. driving wheel; 7. driven belt; 8. driving motor; 9. fixed rod; 10. electric slide rail; 11. slider; 12. electric push rod; 13. test plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0023] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] See also Figure 1-4 The utility model provides a technical solution: a proximity sensor testing device, comprising a substrate 1, a positioning platform 2 is fixedly connected to the upper surface of the substrate 1, a supporting block 3 is fixedly connected to the upper surface of the positioning platform 2, an upper cover plate 4 is fixedly connected to the upper surface of the supporting block 3, a clamping mechanism 5 is arranged above the positioning platform 2, a driving motor 8 is fixedly installed on the upper surface of the upper cover plate 4, and an output end of the driving motor 8 passes through the upper cover plate 4 and is fixedly connected to a driving wheel 6;

[0025] The clamping mechanism 5 includes a movable belt 51, a fixed block 52, a clamping cylinder 53, a guide groove 54, a movable block 55, an adjustment block 56, a push rod 57 and an adjustment assembly 58. The upper surface of the positioning platform 2 is movably connected with the movable belt 51, the outer side of the movable belt 51 is fixedly connected with the fixed block 52, the front side of the fixed block 52 is fixedly connected with the clamping cylinder 53, the fixed block 52 is provided with a guide groove 54, the inner side of the guide groove 54 provided in the fixed block 52 is movably connected with the movable block 55, and the movable block 55 is fixedly connected to the back side of the clamping cylinder 53, and the left and right sides of the fixed block 52 are provided with grooves. The adjusting block 56 is movably connected, and a push rod 57 is fixedly connected to the inner side of the adjusting block 56. An adjusting assembly 58 is arranged inside the fixed block 52. The clamping mechanism 5 is used in conjunction with the adjusting assembly 58. By pressing the adjusting block 56, the push rod 57 can be pushed by the adjusting block 56, and then the push rod 57 further pushes the adjusting rod 582 to expand the top of the adjusting rod 582 outward, and at the same time drives the movable block 55 to move outward to further push the clamping tube 53, so that the clamping tube 53 moves outward to clamp and fix the proximity sensor or remove it, which is convenient for use;

[0026] Reference Figure 1 , 3As shown, the upper surface of the movable belt 51 is fixedly connected with a driven belt 7, and the driven belt 7 is meshed and installed with the driving wheel 6, the upper surface of the base plate 1 is fixedly connected with a fixed rod 9, the back of the fixed rod 9 is fixedly connected with an electric slide rail 10, the electric slide rail 10 is slidably connected with a slider 11, the back of the slider 11 is fixedly connected with an electric push rod 12, and the output end of the electric push rod 12 is fixedly connected with a test board 13, and the test board 13 can be moved horizontally by relying on the set electric slide rail 10 and the electric push rod 12, and the electric push rod 12 can be used to make the test board 13 approach or move away from the proximity sensor, so as to test the limit test distance of the proximity sensor.

[0027] Reference Figure 4 As shown, the adjustment component 58 includes a positioning shaft 581, an adjustment rod 582, a push rod 57, a positioning plate 584, a guide plate 585 and a return spring 586. The internal movably connected to the fixed block 52 is the positioning shaft 581, the outer side of the positioning shaft 581 is fixedly connected to the adjustment rod 582, the end of the adjustment rod 582 away from the movable belt 51 is rotatably connected to the push 583 through a rotating rod, the inner wall of the fixed block 52 is fixedly connected to the positioning plate 584, a guide plate 585 is arranged between the positioning plate 584 and the adjustment rod 582, a return spring 586 is arranged on the outer side of the guide plate 585, and the two ends of the return spring 586 are respectively in contact with the guide plate 585 and the adjustment rod 582. The adjustment component 58 enables the clamping cylinder 53 to be adjusted to adapt to proximity sensors of different diameters, so that the device has a wider range of applications.

[0028] Reference Figure 1 , 3 As shown, there are ten groups of clamping mechanisms 5 in total, and the ten groups of clamping mechanisms 5 are evenly distributed on the outside of the movable belt 51 .

[0029] Reference Figure 3 , 4 As shown, matching grooves are provided on both the left and right sides of the fixing block 52 corresponding to the adjusting block 56 , and limiting blocks are provided on the front and back sides of the adjusting block 56 .

[0030] Reference Figure 3 As shown, a matching gear tooth groove is provided on the inner side of the driven belt 7 corresponding to the driving wheel 6 , and the upper surface of the driven belt 7 is in contact with the upper cover plate 4 .

[0031] When the proximity sensor testing device is working, first press the adjustment blocks 56 on both sides of the fixed block 52, and then the adjustment blocks 56 squeeze the adjustment rod 582 through the push rod 57, and further squeeze outward through the end of the adjustment rod 582 and push the movable block 55 outward by pushing 583, so as to push the clamping tube 53 outward, and then clamp the proximity sensor, and then start the driving motor 8. After the driving motor 8 drives the driving wheel 6 to rotate, the driven belt 7 follows the rotation of the driving wheel 6, and then the driven belt 7 drives the movable belt 51 to move, and then the clamping device clamps the proximity sensor to move. When the clamping mechanism 5 is in the vertical test plate 13, start the electric slide rail 10 and the electric push rod 12 to test the limit distance of the proximity sensor, and then remove the tested proximity sensor by the above method.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A proximity sensor testing device, comprising a substrate, characterized in that: The upper surface of the substrate is fixedly connected with a positioning platform, the upper surface of the positioning platform is fixedly connected with a support block, the upper surface of the support block is fixedly connected with an upper cover plate, a clamping mechanism is arranged above the positioning platform, a driving motor is fixedly installed on the upper surface of the upper cover plate, and the output end of the driving motor passes through the upper cover plate and is fixedly connected with a driving wheel; The clamping mechanism includes a movable belt, a fixed block, a clamping cylinder, a guide groove, a movable block, an adjusting block, a push rod and an adjusting assembly. The upper surface of the positioning table is movably connected with the movable belt, the outer side of the movable belt is fixedly connected with the fixed block, the front side of the fixed block is fixedly connected with the clamping cylinder, the fixed block is provided with a guide groove, the inner side of the guide groove provided in the fixed block is movably connected with the movable block, and the movable block is fixedly connected to the back side of the clamping cylinder, the left and right sides of the fixed block are provided with grooves and movably connected with the adjusting block, the inner side of the adjusting block is fixedly connected with the push rod, and the interior of the fixed block is provided with an adjusting assembly.

2. A proximity sensor testing device according to claim 1, characterized in that: A driven belt is fixedly connected to the upper surface of the movable belt, and the driven belt is meshed with the driving wheel and installed; a fixed rod is fixedly connected to the upper surface of the base plate, an electric slide rail is fixedly connected to the back of the fixed rod, a slider is slidably connected to the electric slide rail, an electric push rod is fixedly connected to the back of the slider, and a test plate is fixedly connected to the output end of the electric push rod.

3. A proximity sensor testing device according to claim 2, characterized in that: The adjusting assembly includes a positioning shaft, an adjusting rod, a push rod, a positioning plate, a guide plate and a return spring. The interior of the fixed block is movably connected with the positioning shaft, the outer side of the positioning shaft is fixedly connected with the adjusting rod, the end of the adjusting rod away from the movable belt is rotatably connected with the push block through a rotating rod, the inner wall of the fixed block is fixedly connected with the positioning plate, a guide plate is arranged between the positioning plate and the adjusting rod, a return spring is arranged on the outer side of the guide plate, and the two ends of the return spring are respectively in contact with the guide plate and the adjusting rod.

4. A proximity sensor testing device according to claim 3, characterized in that: There are ten groups of the clamping mechanisms in total, and the ten groups of the clamping mechanisms are evenly distributed on the outside of the movable belt.

5. A proximity sensor testing device according to claim 4, characterized in that: The left and right sides of the fixed block are provided with matching grooves corresponding to the adjusting block, and the front and back sides of the adjusting block are provided with limit blocks.

6. A proximity sensor testing device according to claim 5, characterized in that: The inner side of the driven belt is provided with a matching gear tooth groove corresponding to the driving wheel, and the upper surface of the driven belt is in contact with the upper cover plate.

Images