Detection and positioning tool for internal spline of new energy motor shaft

Abstract

The utility model discloses a new energy motor shaft internal spline detection positioning tool comprising a workbench, the top end of the workbench is provided with an installation disc, the top end of the installation disc is fixedly connected with a positioning cylinder, and the center line of the positioning cylinder and the center line of the installation disc are on the same vertical plane. According to the detection positioning tool for the internal spline of the new energy motor shaft, the positioning cylinder is arranged, before detection, the internal spline of the motor shaft is placed in the positioning cylinder and kept at the central position in the positioning cylinder, then the positioning bolts on the periphery are rotated, and the positioning bolts can move towards the interior of the positioning cylinder when rotating in threaded holes, so that the internal spline of the motor shaft is detected. According to the positioning cylinder, the positioning bolts on the periphery are attached to the exterior of the internal spline of the motor shaft so that the internal spline can be positioned, the supporting cylinder outside the positioning cylinder is attached to the exterior of the positioning bolts so that the positioning bolts can be supported, the stability of the positioning bolts is improved, the stability of a positioned workpiece is guaranteed, and the problem that the workpiece cannot be quickly positioned is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of motor accessory detection, in particular to a new energy motor shaft internal spline detection and positioning tool. Background Art

[0002] The internal spline shaft is an important part of the new energy motor, which plays the role of connection and driving. In order to ensure the stability of the new energy motor during operation after assembly, the internal spline shaft needs to be strictly tested to ensure that its dimensional data in all aspects meet the qualified standards to prevent the stability of the motor drive system from being affected by defects in the internal spline shaft. When testing the internal spline of the motor shaft, it needs to be positioned to ensure stability during testing.

[0003] However, the positioning device currently used for detecting the internal spline of the new energy motor shaft still has some defects in use. The internal spline of the motor shaft cannot be quickly positioned during detection, and cumbersome operations are required to position the workpiece, which affects the efficiency of the detection work.

[0004] Now a new type of new energy motor shaft internal spline detection and positioning tooling is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a new energy motor shaft internal spline detection and positioning tool to solve the problem of the inability to quickly position the workpiece proposed in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new energy motor shaft internal spline detection and positioning tool, comprising a workbench, a mounting plate is arranged at the top of the workbench, a positioning cylinder is fixedly connected to the top of the mounting plate, the center line of the positioning cylinder and the center line of the mounting plate are on the same vertical plane, and a positioning structure for positioning a workpiece is arranged inside the positioning cylinder;

[0007] The positioning structure includes threaded holes. A group of threaded holes are respectively opened on both sides and both ends of the outside of the positioning cylinder. A group of support cylinders are respectively fixedly connected on both sides and both ends of the outside of the positioning cylinder. Positioning bolts are movably connected inside the threaded holes.

[0008] Preferably, the positioning bolt is movably connected to the support tube, and the support tube is communicated with the interior of the threaded hole.

[0009] Preferably, the support tubes outside the positioning tubes are arranged symmetrically, and the center lines of the support tubes and the center lines of the threaded holes are on the same vertical plane.

[0010] Preferably, the interior of the positioning cylinder is movably connected to a support plate, threaded rods are fixedly connected to both sides of the support plate, grooves are provided on both sides of the positioning cylinder, a through slot is provided on one side of the groove, and the threaded rod passes through the through slot and is movably connected to a positioning nut.

[0011] Preferably, the positioning nut is movably connected to the groove, and the through groove is communicated with the interior of the positioning cylinder.

[0012] Preferably, the threaded rods on both sides of the support plate are arranged symmetrically, and the center line of the groove and the center line of the through slot are on the same vertical plane.

[0013] Preferably, a reduction motor is fixedly connected to the top of the workbench, a fixed frame is fixedly connected to the top of the workbench, the fixed frame is movably connected to the mounting plate, a bottom groove is provided at the bottom end of the mounting plate, an annular groove is provided at the top of the bottom groove, a ball is movably connected inside the annular groove, and a connecting shaft is fixedly connected to the output end of the reduction motor.

[0014] Preferably, the connecting shaft passes through the top end of the workbench and is fixedly connected to the bottom groove, and the center line of the connecting shaft and the center line of the mounting plate are on the same vertical plane.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the new energy motor shaft internal spline detection and positioning tooling can not only realize the rapid positioning of the workpiece, realize the effective support of the workpiece, but also realize the ability to drive the workpiece to rotate for detection;

[0016] By providing a positioning cylinder, a threaded hole, a support cylinder and a positioning bolt, before testing, the motor shaft inner spline is placed inside the positioning cylinder and maintained at the center position inside the positioning cylinder, and then the positioning bolts around are rotated. When the positioning bolts rotate inside the threaded hole, they move toward the inside of the positioning cylinder, so that the positioning bolts around are attached to the outside of the motor shaft inner spline to position it, and the support cylinder outside the positioning cylinder is attached to the outside of the positioning bolt to support the positioning bolt, thereby improving the stability of the positioning bolt, so as to ensure the stability of the workpiece after positioning, and realize the rapid positioning of the workpiece to be tested;

[0017] By providing a positioning cylinder, a support plate, a threaded rod, a through groove, a positioning nut and a groove, when positioning the spline in the motor shaft, after placing it into the interior of the positioning cylinder, the threaded rod can be pulled to drive the support plate to rise, so that the support plate fits the bottom of the spline in the motor shaft, and then the positioning nut is rotated to fit the interior of the groove, so that the support plate is positioned by the threaded rod, and the support plate can effectively support the spline in the motor shaft, so as to improve the stability of the workpiece during detection, and realize effective support for the workpiece;

[0018] By providing a fixed frame, a mounting plate, a positioning cylinder, a ball, a bottom groove, a reduction motor, an annular groove and a connecting shaft, when performing inspection, the reduction motor is started to drive the mounting plate to rotate through the connecting shaft, and the mounting plate rotates while driving the internal workpiece to rotate through the positioning cylinder, and the ball at the bottom of the mounting plate can support the mounting plate, and the fixed frame on the top of the workbench can limit the mounting plate to ensure the stability of the rotation of the mounting plate, so that the spline in the motor shaft can be quickly inspected in cooperation with the detector, and the spline in the motor shaft can be automatically driven to rotate for inspection. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of the installation plate of the utility model when viewed from above;

[0021] Figure 3 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0022] Figure 4 It is a front view structural schematic diagram of the positioning tube of the utility model.

[0023] In the figure: 1. workbench; 2. fixing frame; 3. mounting plate; 4. positioning cylinder; 5. threaded hole; 6. supporting cylinder; 7. positioning bolt; 8. supporting plate; 9. ball bearing; 10. bottom groove; 11. reduction motor; 12. annular groove; 13. connecting shaft; 14. threaded rod; 15. through groove; 16. positioning nut; 17. groove. DETAILED DESCRIPTION

[0024] 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.

[0025] Example 1: Please refer to Figure 1-4 A new energy motor shaft internal spline detection and positioning tooling includes a workbench 1, a mounting plate 3 is arranged on the top of the workbench 1, a positioning cylinder 4 is fixedly connected to the top of the mounting plate 3, the center line of the positioning cylinder 4 and the center line of the mounting plate 3 are on the same vertical plane, and a positioning structure for positioning a workpiece is arranged inside the positioning cylinder 4;

[0026] The positioning structure includes threaded holes 5. A group of threaded holes 5 are respectively opened on both sides and both ends of the outside of the positioning cylinder 4. A group of support cylinders 6 are respectively fixedly connected on both sides and both ends of the outside of the positioning cylinder 4. Positioning bolts 7 are movably connected inside the threaded holes 5.

[0027] The positioning bolt 7 is movably connected to the support tube 6, and the support tube 6 is connected to the inside of the threaded hole 5;

[0028] The support tubes 6 outside the positioning tubes 4 are arranged symmetrically, and the center line of the support tubes 6 and the center line of the threaded hole 5 are on the same vertical plane;

[0029] Specifically, Figure 1 and Figure 4 As shown, before testing, the spline inside the motor shaft is placed inside the positioning tube 4 and maintained at the center position inside the positioning tube 4, and then the positioning bolts 7 around are rotated. When the positioning bolts 7 rotate inside the threaded hole 5, they will move toward the inside of the positioning tube 4, so that the positioning bolts 7 around are fitted to the outside of the spline inside the motor shaft to position it, and the supporting tube 6 outside the positioning tube 4 is fitted to the outside of the positioning bolts 7 to support the positioning bolts 7, thereby improving the stability of the positioning bolts 7, so as to ensure the stability of the workpiece after positioning, and realize the rapid positioning of the workpiece to be inspected.

[0030] Embodiment 2: The interior of the positioning cylinder 4 is movably connected with the support plate 8, and the two sides of the support plate 8 are fixedly connected with the threaded rod 14. The two sides of the positioning cylinder 4 are provided with grooves 17, and one side of the groove 17 is provided with a through groove 15. The threaded rod 14 passes through the through groove 15 and is movably connected with the positioning nut 16;

[0031] The positioning nut 16 is movably connected to the groove 17, and the through groove 15 is connected to the interior of the positioning cylinder 4;

[0032] The threaded rods 14 on both sides of the support plate 8 are arranged symmetrically, and the center line of the groove 17 and the center line of the through groove 15 are on the same vertical plane;

[0033] Specifically, Figure 1 , Figure 3 and Figure 4 As shown, when positioning the spline inside the motor shaft, after placing it into the positioning tube 4, the threaded rod 14 can be pulled to drive the support plate 8 to rise, so that the support plate 8 fits the bottom of the spline inside the motor shaft, and then the positioning nut 16 is rotated to fit the inside of the groove 17, so that the support plate 8 is positioned by the threaded rod 14. The support plate 8 can effectively support the spline inside the motor shaft to improve the stability of the workpiece during detection, thereby achieving effective support for the workpiece.

[0034] Embodiment 3: A reduction motor 11 is fixedly connected to the top of the workbench 1, a fixing frame 2 is fixedly connected to the top of the workbench 1, the fixing frame 2 is movably connected to the mounting plate 3, a bottom groove 10 is provided at the bottom end of the mounting plate 3, an annular groove 12 is provided at the top of the bottom groove 10, a ball 9 is movably connected inside the annular groove 12, and a connecting shaft 13 is fixedly connected to the output end of the reduction motor 11;

[0035] The connecting shaft 13 passes through the top of the workbench 1 and is fixedly connected to the bottom groove 10. The center line of the connecting shaft 13 and the center line of the mounting plate 3 are in the same vertical plane.

[0036] Specifically, Figure 1 and Figure 2 As shown, when performing inspection, the reduction motor 11 is started to drive the mounting disk 3 to rotate through the connecting shaft 13. While the mounting disk 3 rotates, the internal workpiece is driven to rotate through the positioning tube 4, and the ball 9 at the bottom end of the mounting disk 3 can support the mounting disk 3. The fixed frame 2 on the top of the workbench 1 can limit the mounting disk 3 to ensure the stability of the rotation of the mounting disk 3. In this way, the detector can cooperate with the detector to quickly detect the splines in the motor shaft, so that the splines in the motor shaft can be automatically driven to rotate for inspection.

[0037] Working principle: When the utility model is used, before testing, the motor shaft spline is placed inside the positioning tube 4 and maintained at the center position inside the positioning tube 4, and then the positioning bolts 7 around are rotated. When the positioning bolts 7 rotate inside the threaded hole 5, they will move toward the inside of the positioning tube 4, so that the positioning bolts 7 around are attached to the outside of the motor shaft spline to position it, and the support tube 6 outside the positioning tube 4 is attached to the outside of the positioning bolt 7 to support the positioning bolt 7, thereby improving the stability of the positioning bolt 7 to ensure the stability of the workpiece after positioning. After the motor shaft spline is placed inside the positioning tube 4, the threaded rod 14 can be pulled to drive the support plate 8 to rise, so that the support The disk 8 fits the bottom of the spline in the motor shaft, and then the positioning nut 16 is rotated to make it fit inside the groove 17, so that the support disk 8 is positioned through the threaded rod 14. The support disk 8 can effectively support the spline in the motor shaft to improve the stability of the workpiece during detection. When performing detection, start the reduction motor 11 to drive the mounting disk 3 to rotate through the connecting shaft 13. While the mounting disk 3 rotates, the positioning cylinder 4 drives the internal workpiece to rotate, and the ball 9 at the bottom of the mounting disk 3 can support the mounting disk 3. The fixed frame 2 on the top of the workbench 1 can limit the mounting disk 3 to ensure the stability of the rotation of the mounting disk 3. In this way, the spline in the motor shaft can be quickly detected in cooperation with the detector.

Claims

1. A new energy motor shaft internal spline detection and positioning tool, comprising a workbench (1), characterized in that: A mounting plate (3) is disposed at the top of the workbench (1), a positioning cylinder (4) is fixedly connected to the top of the mounting plate (3), a center line of the positioning cylinder (4) and a center line of the mounting plate (3) are on the same vertical plane, and a positioning structure for positioning a workpiece is disposed inside the positioning cylinder (4); The positioning structure comprises a threaded hole (5), a group of threaded holes (5) are respectively opened on both sides and both ends of the exterior of the positioning cylinder (4), a group of support cylinders (6) are respectively fixedly connected to both sides and both ends of the exterior of the positioning cylinder (4), and a positioning bolt (7) is movably connected inside the threaded hole (5).

2. A new energy motor shaft internal spline detection and positioning tool according to claim 1, characterized in that: The positioning bolt (7) is movably connected to the support tube (6), and the support tube (6) is communicated with the interior of the threaded hole (5).

3. A new energy motor shaft internal spline detection and positioning tool according to claim 1, characterized in that: The support tubes (6) outside the positioning tubes (4) are arranged symmetrically, and the center line of the support tubes (6) and the center line of the threaded hole (5) are on the same vertical plane.

4. The new energy motor shaft internal spline detection and positioning tool according to claim 1, characterized in that: The interior of the positioning cylinder (4) is movably connected to a support plate (8), and threaded rods (14) are fixedly connected to both sides of the support plate (8). Grooves (17) are provided on both sides of the positioning cylinder (4), and a through groove (15) is provided on one side of the groove (17). The threaded rod (14) passes through the through groove (15) and is movably connected to a positioning nut (16).

5. A new energy motor shaft internal spline detection and positioning tool according to claim 4, characterized in that: The positioning nut (16) is movably connected to the groove (17), and the through groove (15) is connected to the interior of the positioning cylinder (4).

6. A new energy motor shaft internal spline detection and positioning tool according to claim 4, characterized in that: The threaded rods (14) on both sides of the support plate (8) are arranged symmetrically, and the center line of the groove (17) and the center line of the through groove (15) are on the same vertical plane.

7. The new energy motor shaft internal spline detection and positioning tool according to claim 1, characterized in that: A reduction motor (11) is fixedly connected to the top of the workbench (1), a fixed frame (2) is fixedly connected to the top of the workbench (1), the fixed frame (2) is movably connected to the mounting plate (3), a bottom groove (10) is provided at the bottom end of the mounting plate (3), an annular groove (12) is provided at the top end of the bottom groove (10), a ball bearing (9) is movably connected inside the annular groove (12), and a connecting shaft (13) is fixedly connected to the output end of the reduction motor (11).

8. The new energy motor shaft internal spline detection and positioning tool according to claim 7, characterized in that: The connecting shaft (13) passes through the top end of the workbench (1) and is fixedly connected to the bottom groove (10), and the center line of the connecting shaft (13) and the center line of the mounting plate (3) are on the same vertical plane.

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