Auxiliary tool for three-coordinate detection

Abstract

The utility model discloses an auxiliary tool for three-coordinate detection. The auxiliary tool comprises a supporting mechanism, an adjusting mechanism, a driving mechanism and a fixing mechanism. The supporting mechanism comprises a supporting plate and a supporting pad; the supporting plate is detachably arranged on the top face of a workbench of the three-coordinate detector and used for providing supporting and working space for the whole tool. A bendable supporting pad is arranged in the center of the top surface of the supporting plate; the supporting pad is made of rubber; adjusting mechanisms are installed at the two ends, in the length direction, of the supporting plate correspondingly and used for adjusting the bending degree of the supporting pad. The adjusting mechanism comprises a sliding block, a sliding way and a telescopic rod. A driving mechanism is mounted at one end, in the length direction, of the supporting plate and used for driving the sliding block to move; the driving mechanism comprises a screw rod, a motor and a connecting box; fixing mechanisms are symmetrically arranged on the two end faces of the supporting plate in the length direction; the fixing mechanism comprises a fixing plate, a stud and a pressing plate. The auxiliary tool for three-coordinate detection is simple, practical and convenient to adjust.

Description

Technical Field

[0001] This application relates to the technical field of coordinate measuring technology, and particularly to an auxiliary tooling for three-coordinate measurement. Background Art

[0002] A three-coordinate measuring instrument, also known as a coordinate measuring machine (CMM), is a device used to accurately measure the dimensions and shapes of parts. It obtains the three-dimensional coordinate data of the part surface by moving the probe head in three mutually perpendicular directions, thereby achieving high-precision measurement of the geometric characteristics of the part. Three-coordinate measuring instruments are widely used in the manufacturing industry, especially in cases where it is necessary to ensure that parts meet strict tolerance requirements.

[0003] When using a three-coordinate measuring instrument to detect a workpiece, the workpiece needs to be stably placed on the workbench of the three-coordinate measuring instrument, and at the same time, it is necessary to ensure that the workpiece does not shake or move during the three-coordinate measurement, so as to prevent the low accuracy of the measurement data caused by shaking and moving, which affects the work efficiency. In the field of mechanical part production and processing, there are some workpieces with unconventional shapes, or cylindrical or spherical workpieces. Such workpieces often have multiple curved surfaces, few flat surfaces or no flat surfaces, and are not easy to be stably placed on the workbench of the three-coordinate measuring instrument. Therefore, it is necessary to design a simple and practical auxiliary tooling for three-coordinate measurement that can provide auxiliary support to make the workpiece not easy to shake and move. Summary of the Invention

[0004] In view of the above-mentioned defects or deficiencies in the prior art, it is desirable to provide a simple, practical and easy-to-adjust auxiliary tooling for three-coordinate measurement.

[0005] An auxiliary tooling for three-coordinate measurement provided by this application includes a support mechanism, an adjustment mechanism, a driving mechanism and a fixing mechanism;

[0006] The support mechanism includes a support plate and a support pad; the support plate is set as a cuboid; the support plate is detachably arranged on the top surface of the workbench of the three-coordinate measuring instrument, and is used to provide support and working space for the overall tooling; a bendable support pad is arranged at the center of the top surface of the support plate; the bottom surface of the middle part of the support pad along the length direction is fixedly connected to the top surface of the support plate; the material of the support pad is set as rubber;

[0007] Adjustment mechanisms are installed at both ends of the support plate along the length direction, and are used to adjust the bending degree of the support pad; the adjustment mechanism includes a slider, a slideway and a telescopic rod;

[0008] A driving mechanism is installed at one end of the support plate along the length direction, and is used to drive the slider to move; the driving mechanism includes a screw rod, a motor and a connection box;

[0009] At both ends of the support plate symmetrically along the length direction, fixing mechanisms are installed for fixing the support plate to the coordinate measuring instrument; the fixing mechanism includes a fixing plate, a stud and a pressing plate.

[0010] Preferably, adjustment chambers are respectively provided through the support plate along the height direction at both ends along the length direction; the length direction of the adjustment chambers is parallel to the length direction of the support plate; the two adjustment chambers are respectively located below both ends of the support pad along the length direction; a slider is slidably arranged inside the adjustment chambers along the length direction; slideways are fixedly provided along the length direction on the inner walls at both ends of the adjustment chambers along the width direction; the slider is slidably connected with the corresponding slideways on both sides; telescopic rods are installed vertically on the top surfaces at both ends of the slider along the width direction of the support plate.

[0011] Preferably, connecting blocks are fixedly provided on both sides at both ends of the support pad along the length direction; the connecting blocks are arranged corresponding to the telescopic rods for rotatably connecting the telescopic rods with the support pad; the top ends of the telescopic rods are rotatably connected with the corresponding connecting blocks.

[0012] Preferably, a screw rod is rotatably penetrated through the support plate along the length direction; the screw rod is in threaded connection with the slider; a motor is installed on the top surface at one end of the support plate along the length direction; a connection box is fixedly provided on the top surface at one end of the support plate along the length direction close to the motor corresponding to the motor; the output end of the motor is located inside the connection box and is in transmission connection with the screw rod.

[0013] Preferably, fixing plates are fixedly provided at both ends of the support plate along the length direction; a stud is rotatably penetrated through the fixing plate along the length direction of the support plate; the stud is in threaded connection with the adjacent fixing plate; a pressing plate is rotatably arranged at one end of the stud along the axial direction close to the center of the support plate.

[0014] Preferably, the coordinate measuring instrument includes a workbench, a work box, main legs, a cross beam, auxiliary legs, a z-axis housing, a z-axis and a probe.

[0015] Compared with the prior art, the beneficial effects of the present application are as follows:

[0016] (1) The overall auxiliary tooling of the present application is used to assist in fixing some mechanical workpieces such as cylindrical and spherical ones that are not easy to be stably placed on a plane, so that they can be stably placed on the workbench of the coordinate measuring instrument with the help of the support pad for three-coordinate measurement work, increasing the stability of these workpieces during three-coordinate measurement work and improving the work efficiency of three-coordinate measurement work.

[0017] (2) The overall auxiliary tooling of the present application can adapt to cylindrical workpieces of various specifications by adjusting the bending degree of the support pad. At the same time, the support pad made of rubber material can wrap and fix when making multi-point contact with some irregular workpieces or spherical workpieces, increasing the applicability of the auxiliary tooling.

[0018] It should be understood that the content described in the section of the invention content is not intended to limit the key or important features of the embodiments of the present application, nor to limit the scope of the present application. Other features of the present application will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] By reading the detailed description of the non-limiting embodiments with reference to the following drawings, other features, objects, and advantages of the present application will become more apparent:

[0020] Figure 1 Structural schematic diagram of an auxiliary tooling for three-coordinate measurement and a three-coordinate measuring instrument provided for an embodiment of the present application;

[0021] Figure 2 Structural schematic diagram of an auxiliary tooling for three-coordinate measurement provided for an embodiment of the present application.

[0022] Reference numerals in the figure: 1, support mechanism; 2, adjustment mechanism; 3, drive mechanism; 4, fixing mechanism; 5, three-coordinate measuring instrument;

[0023] 11, support plate; 12, support pad; 13, adjustment chamber;

[0024] 21, slider; 22, slideway; 23, telescopic rod; 24, connecting block;

[0025] 31, screw; 32, motor; 33, connecting box;

[0026] 41, fixing plate; 42, stud; 43, pressing plate;

[0027] 51, workbench; 52, work box; 53, main leg; 54, cross beam; 55, auxiliary leg; 56, z-axis outer cover; 57, z-axis; 58, probe head. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] The present application will be further described in detail below with reference to the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the relevant application, rather than limiting the application. Additionally, it should be noted that for the sake of description, only the parts related to the application are shown in the drawings.

[0029] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the drawings and embodiments.

[0030] Please refer to Figure 1 , Figure 2, embodiments of the present application provide an auxiliary tooling for three - coordinate detection, including a support mechanism 1, an adjustment mechanism 2, a drive mechanism 3, and a fixing mechanism 4;

[0031] The support mechanism 1 includes a support plate 11 and a support pad 12; the support plate 11 is set as a cuboid; the support plate 11 is detachably arranged on the top surface of the workbench of the three - coordinate detector 5, and is used to provide support and working space for the overall tooling; a bendable support pad 12 is arranged at the center of the top surface of the support plate 11; the bottom surface of the middle part of the support pad 12 along the length direction is fixedly connected to the top surface of the support plate 11; the material of the support pad 12 is set as rubber;

[0032] Adjustment mechanisms 2 are installed at both ends of the support plate 11 along the length direction, and are used to adjust the bending degree of the support pad 12; the adjustment mechanism 2 includes a slider 21, a slideway 22, and a telescopic rod 23;

[0033] A drive mechanism 3 is installed at one end of the support plate 11 along the length direction, and is used to drive the slider 21 to move; the drive mechanism 3 includes a screw 31, a motor 32, and a connection box 33;

[0034] Fixing mechanisms 4 are symmetrically installed on the end faces at both ends of the support plate 11 along the length direction, and are used to install and fix the support plate 11 on the three - coordinate detector 5; the fixing mechanism 4 includes a fixing plate 41, a stud 42, and a pressing plate 43.

[0035] In this embodiment, the overall auxiliary tooling is used to assist in fixing some mechanical workpieces such as cylindrical and spherical ones that are not easy to be stably placed on a plane, so that they can be stably placed on the workbench 51 of the three - coordinate detector 5 with the help of the support pad 12 for three - coordinate detection work, increasing the stability of these workpieces during three - coordinate detection work and improving the work efficiency of three - coordinate detection work.

[0036] The overall auxiliary tooling adjusts the bending degree of the support pad 12, so that the support pad 12 can adapt to various specifications of cylindrical workpieces. At the same time, the rubber - material support pad 12 can wrap and fix when making multi - point contact with some irregular workpieces or spherical workpieces, increasing the applicability of the auxiliary tooling.

[0037] In a preferred embodiment, adjustment chambers 13 are respectively opened through the support plate 11 along the height direction at both ends of the support plate 11 along the length direction; the length direction of the adjustment chambers 13 is parallel to the length direction of the support plate 11; the two adjustment chambers 13 are respectively located below both ends of the support pad 12 along the length direction; sliders 21 are slidably arranged inside the adjustment chambers 13 along the length direction; slideways 22 are fixedly opened along the length direction on the inner walls at both ends of the adjustment chambers 13 along the width direction; the sliders 21 are slidably connected to the corresponding slideways 22 on both sides; telescopic rods 23 are vertically installed on the top surfaces at both ends of the sliders 21 along the width direction of the support plate 11.

[0038] In a preferred embodiment, connecting blocks 24 are fixedly arranged on both sides at the two ends of the support pad 12 along the length direction; the connecting blocks 24 are arranged corresponding to the telescopic rods 23 for rotatably connecting the telescopic rods 23 and the support pad 12; the top ends of the telescopic rods 23 are rotatably connected to the corresponding connecting blocks 24.

[0039] Please refer to Figure 1 、 Figure 2 , in this embodiment, the overall auxiliary tooling is used to assist in fixing workpieces such as cylindrical and spherical workpieces that are not easy to be stably placed on a plane, so that they can be stably placed on the support pad 12 with the help of the support pad 12 for three-coordinate detection work. The bending degree of the support pad 12 can be adjusted to facilitate the application to multi-model workpieces with different specifications and sizes.

[0040] When adjusting the bending degree of the support pad 12: simultaneously drive the two sliders 21 to slide along the direction of the slideway 22, so that the two sliders 21 move relatively (or move away from each other), and at the same time make the telescopic rods 23 extend (or shorten), thereby driving the two ends of the support pad 12 along the length direction to move, so that the radian of the support pad 12 changes. The material of the support pad 12 is rubber, which has certain flexibility and ductility, and the tightness of the support pad 12 (the two ends of the support pad 12 are tightened or sagged) can be adjusted according to actual use needs.

[0041] In a preferred embodiment, a screw rod 31 is rotatably penetrated through the support plate 11 along the length direction; the screw rod 31 is threadedly connected to the slider 21; a motor 32 is installed on the top surface of one end of the support plate 11 along the length direction; a connection box 33 is fixedly arranged on the top surface of the support plate 11 along the length direction near the motor 32 corresponding to the motor 32; the output end of the motor 32 is located inside the connection box 33 and is in transmission connection with the screw rod 31.

[0042] Please refer to Figure 1 、 Figure 2 , in this embodiment, an external thread is arranged on the outer wall of the part of the screw rod 31 located in the adjustment chamber 13, a threaded hole is penetrated through the slider 21, and the screw rod 31 penetrates through the threaded hole and is threadedly connected to the slider 21. The thread directions of the threaded holes on the two sliders 21 are opposite. When the screw rod 31 rotates, the two sliders 21 move towards each other or move away from each other.

[0043] In a preferred embodiment, fixing plates 41 are fixedly arranged at both ends of the support plate 11 along the length direction; a stud 42 is rotatably penetrated through the fixing plates 41 along the length direction of the support plate 11; the stud 42 is threadedly connected to the adjacent fixing plate 41; a pressing plate 43 is rotatably arranged at one end of the stud 42 along the axial direction close to the center of the support plate 11.

[0044] Please refer to Figure 1 、Figure 2 In this embodiment, when fixing the overall auxiliary tooling: Place the support plate 11 on the workbench 51 of the coordinate measuring instrument 5, with the two fixing plates 41 located at both ends of the workbench 51 respectively. Then, turn the stud 42, which is threadedly connected to the adjacent fixing plate 41. When the stud 42 rotates, it will move along the length direction of the support plate 11 at the same time, causing the pressing plate 43 rotatably connected to it to move and press against the workbench 51, thereby completing the fixing work of the support plate 11.

[0045] In a preferred embodiment, the coordinate measuring instrument 5 includes a workbench 51, a work box 52, main legs 53, a cross beam 54, auxiliary legs 55, a z-axis housing 56, a z-axis 57, and a probe 58.

[0046] Please refer to Figure 1 、 Figure 2 In this embodiment, the coordinate measuring instrument 5 is a prior art, and the auxiliary tooling of the present application is designed for the workpiece placement problem of the coordinate measuring instrument 5.

[0047] In the description of this specification, terms such as "connection", "installation", and "fixation" should all be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0048] In the description of this specification, the description of terms such as "one embodiment" and "some embodiments" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0049] The above are only the preferred embodiments of the present application and are not used to limit the present application. For those skilled in the art, various changes and modifications can be made to the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included within the protection scope of the present application.

Claims

1. An auxiliary tooling for three-coordinate detection, characterized in that It includes a support mechanism, an adjustment mechanism, a driving mechanism and a fixing mechanism; The support mechanism includes a support plate and a support pad; the support plate is arranged as a cuboid; the support plate is detachably arranged on the top surface of the workbench of the coordinate measuring instrument, and is used to provide support and working space for the overall tooling; a bendable support pad is arranged at the center of the top surface of the support plate; the bottom surface of the middle part of the support pad along the length direction is fixedly connected to the top surface of the support plate; the material of the support pad is set as rubber; The adjustment mechanisms are installed at both ends of the support plate along the length direction, and are used to adjust the bending degree of the support pad; the adjustment mechanism includes a slider, a slideway and a telescopic rod; The driving mechanism is installed at one end of the support plate along the length direction, and is used to drive the slider to move; the driving mechanism includes a screw rod, a motor and a connection box; The fixing mechanisms are symmetrically installed at both end faces of the support plate along the length direction, and are used to install and fix the support plate on the coordinate measuring instrument; the fixing mechanism includes a fixing plate, a stud and a pressing plate.

2. The auxiliary tooling for three - coordinate detection according to claim 1, characterized in that, Adjustment chambers are respectively arranged through the support plate along the height direction at both ends of the support plate along the length direction; the length direction of the adjustment chamber is parallel to the length direction of the support plate; the two adjustment chambers are respectively located below both ends of the support pad along the length direction; the slider is slidably arranged in the adjustment chamber along the length direction; slideways are fixedly arranged along the length direction on the inner walls at both ends of the adjustment chamber along the width direction; the slider is slidably connected to the corresponding slideways on both sides; telescopic rods are installed vertically on the top surfaces of both ends of the slider along the width direction of the support plate.

3. The auxiliary tooling for three-coordinate measurement according to claim 2, characterized in that, Connection blocks are fixedly arranged on both sides of both ends of the support pad along the length direction; the connection blocks are arranged corresponding to the telescopic rods, and are used for the telescopic rods to be rotatably connected to the support pad; the top end of the telescopic rod is rotatably connected to the corresponding connection block.

4. The auxiliary tooling for three - coordinate detection according to claim 3, wherein, The screw rod is rotatably arranged through the support plate along the length direction; the screw rod is threadedly connected to the slider; the motor is installed on the top surface of one end of the support plate along the length direction; the connection box is fixedly arranged on the top surface of the support plate along the length direction near the motor corresponding to the motor; the output end of the motor is located inside the connection box and is in transmission connection with the screw rod.

5. The auxiliary tooling for three-coordinate detection according to claim 4, wherein, The fixing plates are fixedly arranged at both ends of the support plate along the length direction; the stud is rotatably arranged through the fixing plate along the length direction of the support plate; the stud is threadedly connected to the adjacent fixing plate; the pressing plate is rotatably arranged at one end of the stud along the axial direction close to the center of the support plate.

6. The auxiliary tooling for three - coordinate detection according to claim 5, wherein, The coordinate measuring instrument includes the workbench, the work box, the main legs, the cross beam, the sub legs, the z-axis outer cover, the z-axis and the probe head.

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