A magnetoelectric angle sensor testing and adjustment device and method

Abstract

The present invention discloses a device and method for testing and adjusting a magnetoelectric angle sensor. A tooling disk is fixedly connected to the rear side of a movable disk, and a main disk is provided on the front side of the movable disk. A secondary disk is disposed between the movable disk and the tooling disk, and the secondary disk is provided with multiple short copper screws that cooperate with precision screws to securely connect the secondary disk to the main disk. The movable disk and the secondary disk are provided with rolling devices for moving the movable disk relative to the secondary disk. Multiple long copper screws are also fixed to the outer edge of the main disk, and the long copper screws are threadedly connected to flat adjustment screws, the ends of which radially press against the outer circumferential surface of the movable disk. The head end of a long push rod presses against the front side of the movable disk, and the tail end passes through a guide hole in the main disk. A compression spring is sleeved on the long push rod and is located between the movable disk and the main disk. The present invention uses a ball bearing structure to combine the movable disk and the secondary disk to form two parallel reference surfaces that can move horizontally relative to each other, thereby improving the efficiency of mass installation and testing of magnetoelectric sensors.

Description

Technical Field

[0001] The present invention relates to the technical field of angle measurement, and in particular to a magnetoelectric angle sensor testing and adjusting device and method thereof. Background Art

[0002] The accuracy of various angle sensors widely used in high-end equipment depends not only on manufacturing precision, but also on the accuracy of installation and adjustment. The installation and adjustment methods are crucial. Magnetoelectric angle sensors, a new type of high-precision sensor, are experiencing a surge in demand. However, the process of mass-producing magnetoelectric angle sensors often involves time-consuming and repeated adjustments for parallelism and coaxiality, resulting in low production efficiency. The present invention utilizes a ball bearing structure to combine a movable disk and a sub-disk to form two parallel reference surfaces that can move horizontally relative to each other. This solves the problem of repeated installation and adjustment associated with traditional direct connection methods and improves the efficiency of mass-production installation and testing of magnetoelectric sensors. Summary of the Invention

[0003] The purpose of the present invention is to solve the problem of repeated installation and adjustment of magnetoelectric angle sensors in batches, and to propose a magnetoelectric angle sensor testing and adjustment device and method.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] A magnetoelectric angle sensor test and adjustment device, comprising a main plate, a movable plate, a secondary plate, a tooling plate, a long push rod, a compression spring, a long copper screw sleeve, a flat adjustment screw, a precision ball bearing, a flat steel ring, a precision screw, and a short copper screw sleeve;

[0006] The rear side of the movable plate is fixedly connected with a tooling plate, and the front side of the movable plate is provided with a main plate;

[0007] The auxiliary plate is set between the moving plate and the tooling plate. There are multiple short copper screw sleeves on the auxiliary plate. The short copper screw sleeves cooperate with precision screws to fix the auxiliary plate to the main plate.

[0008] The movable plate and the auxiliary plate are provided with rolling devices for moving the movable plate relative to the auxiliary plate;

[0009] A plurality of long copper screw sleeves are fixed on the outer edge of the main plate, which are threadedly connected to the plane adjustment screw. The end of the plane adjustment screw is radially pressed against the outer surface of the movable plate to adjust the position of the movable plate.

[0010] The head end of the long push rod is pressed against the front side of the movable disk, and the tail end passes through the guide hole on the main disk. The compression spring is sleeved on the long push rod and is located between the movable disk and the main disk.

[0011] Furthermore, the rolling device includes corresponding annular grooves provided on the opposite surfaces of the movable plate and the auxiliary plate, the flat steel ring is fixed in the groove of the auxiliary plate, and the precision ball is arranged between the groove of the movable plate and the flat steel ring.

[0012] There are four groups of long copper screw sleeves and plane adjusting screws, which are evenly and symmetrically distributed on the outer circumferences of the main disk and the movable disk.

[0013] Preferably, the roundness of the flat steel ring reaches 3 microns.

[0014] Preferably, the groove flatness of the movable disk reaches 3 microns.

[0015] Preferably, the precision steel balls have an accuracy grade of G3.

[0016] A magnetoelectric angle sensor testing and adjustment method, using the magnetoelectric angle sensor testing and adjustment device, the method comprising the following steps:

[0017] Step 1: Install the magnetoelectric angle sensor on the tooling plate and the main shaft on the main plate;

[0018] Step 2: Adjust the parallelism of the moving plate relative to the mounting surface of the magnetoelectric angle sensor to 5 microns by rotating the precision screw;

[0019] Step three, adjust the coaxiality of the movable plate by rotating the plane adjustment screw, and through the rolling device, the horizontal movement direction of the movable plate is perpendicular to the plane formed in step two.

[0020] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0021] 1. The present invention adopts a ball structure to combine the movable disk and the auxiliary disk to form two parallel reference surfaces that can move horizontally relative to each other, solving the problem of repeated installation and adjustment in the traditional direct connection method and improving the efficiency of batch installation and testing of magnetoelectric sensors. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 Schematic diagram of the cross-section of the structure of the magnetoelectric angle sensor test and adjustment device of the present invention;

[0023] Figure 2 for Figure 1 Schematic diagram of the left side view;

[0024] Legend:

[0025] 1. Main plate; 2. Moving plate; 3. Sub-plate; 4. Tooling plate; 5. Long push rod; 6. Compression spring; 7. Long copper screw sleeve; 8. Flat adjustment screw; 9. Precision ball bearing; 10. Flat steel ring; 11. Precision screw; 12. Short copper screw sleeve. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0027] Reference Figure 1-Figure 2 A magnetoelectric angle sensor test and adjustment device includes a main plate 1, a movable plate 2, a sub-plate 3, a tooling plate 4, a long push rod 5, a compression spring 6, a long copper screw sleeve 7, a flat adjustment screw 8, a precision ball 9, a flat steel ring 10, a precision screw 11, and a short copper screw sleeve 12;

[0028] The rear side of the movable plate 2 is fixedly connected with a tooling plate 4, and the front side of the movable plate 2 is provided with a main plate 1;

[0029] The auxiliary plate 3 is arranged between the movable plate 2 and the tooling plate 4. A plurality of short copper screw sleeves 12 are provided on the auxiliary plate 3. The short copper screw sleeves 12 cooperate with the precision screws 11 to fix the auxiliary plate 3 to the main plate 1.

[0030] The movable disk 2 and the auxiliary disk 3 are provided with a rolling device for moving the movable disk 2 relative to the auxiliary disk 3; the rolling device includes corresponding annular grooves provided on the opposite surfaces of the movable disk 2 and the auxiliary disk 3, a flat steel ring 10 is fixed in the groove of the auxiliary disk 3, and a precision ball 9 is arranged between the groove of the movable disk 2 and the flat steel ring 10.

[0031] A plurality of long copper screw sleeves 7 are also fixed to the outer edge of the main disk 1, and the long copper screw sleeves 7 are threadedly connected to the plane adjustment screw 8. The end of the plane adjustment screw 8 radially presses on the outer circumference of the movable disk 2 to adjust the position of the movable disk 2; there are four groups of long copper screw sleeves 7 and plane adjustment screws 8 described in this embodiment, which are evenly and symmetrically distributed on the outer circumference of the main disk 1 and the movable disk 2.

[0032] The head end of the long push rod 5 is against the front side of the movable disk 2, and the tail end passes through the guide hole on the main disk 1. The compression spring 6 is sleeved on the long push rod 5 and is located between the movable disk 2 and the main disk 1.

[0033] Working principle: When using,

[0034] Step 1: Manually install the magnetoelectric angle sensor on the tooling disk 4 and the main shaft on the main disk 1;

[0035] Step 2: Adjust the parallelism of the moving plate 2 relative to the mounting surface of the magnetoelectric angle sensor to 5 microns by rotating the precision screw 11;

[0036] Step three, adjust the coaxiality of the movable disk 2 by rotating the plane adjustment screw 8. Under the structure of the precision ball 9, the horizontal movement direction of the movable disk 2 is perpendicular to the plane formed in step two. Adjusting the coaxiality of the movable disk 2 does not affect the parallelism, thereby avoiding repeated calibration of the parallelism and coaxiality of the movable disk 2 and the mounting surface of the magnetoelectric angle sensor, thereby completing the high-precision test installation of the magnetoelectric angle sensor split.

[0037] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A magnetoelectric angle sensor testing and adjustment device, characterized by: It includes a main plate (1), a movable plate (2), a sub-plate (3), a tooling plate (4), a long push rod (5), a compression spring (6), a long copper screw sleeve (7), a flat adjustment screw (8), a precision ball (9), a flat steel ring (10), a precision screw (11), and a short copper screw sleeve (12); A tooling plate (4) is fixedly connected to the rear side of the movable plate (2), and a main plate (1) is provided on the front side of the movable plate (2); The auxiliary disk (3) is arranged between the movable disk (2) and the tooling disk (4), and a plurality of short copper screw sleeves (12) are provided on the auxiliary disk (3). The short copper screw sleeves (12) cooperate with the precision screw (11) to fix the auxiliary disk (3) and the main disk (1); The movable disk (2) and the auxiliary disk (3) are provided with rolling devices, the rolling devices comprising corresponding annular grooves provided on the opposing surfaces of the movable disk (2) and the auxiliary disk (3), a flat steel ring (10) fixed in the groove of the auxiliary disk (3), and precision balls (9) provided between the groove of the movable disk (2) and the flat steel ring (10), forming a rolling matching structure of the movable disk (2) relative to the auxiliary disk (3), for moving the movable disk (2) relative to the auxiliary disk (3); A plurality of long copper screw sleeves (7) are fixed to the outer edge of the main disk (1), and the long copper screw sleeves (7) are threadedly connected to the plane adjustment screw (8), and the end of the plane adjustment screw (8) is radially pressed against the outer circumferential surface of the movable disk (2) for adjusting the position of the movable disk (2); The head end of the long push rod (5) is pressed against the front side of the movable disk (2), and the tail end passes through the guide hole on the main disk (1). The compression spring (6) is sleeved on the long push rod (5) and is located between the movable disk (2) and the main disk (1).

2. The magnetoelectric angle sensor testing and adjustment device according to claim 1, characterized in that: There are four groups of the long copper screw sleeves (7) and the flat adjusting screws (8), which are evenly and symmetrically distributed on the outer circumferences of the main disk (1) and the movable disk (2).

3. A magnetoelectric angle sensor test and adjustment method, characterized in that: The magnetoelectric angle sensor testing and adjustment device according to claim 1 or 2 is used, and the method comprises the following steps: Step 1: Install the magnetoelectric angle sensor separately on the tooling disk (4) and install the main shaft on the main disk (1); Step 2: Adjust the parallelism of the movable plate (2) relative to the mounting surface of the magnetoelectric angle sensor to 5 microns by rotating the precision screw (11); Step 3: Adjust the coaxiality of the movable disk (2) by rotating the plane adjustment screw (8). Through the rolling device, the horizontal movement direction of the movable disk (2) is perpendicular to the plane formed in step 2.

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