Electric spindle testing device

Abstract

The utility model discloses a motorized spindle testing device which comprises an operation table, a fixed testing mechanism and an inner diameter testing mechanism. The upper end of the operation table is fixedly connected with a test table; the fixed testing mechanism is arranged in the testing table; the number of the inner diameter testing mechanisms is two, the two inner diameter testing mechanisms are both fixedly connected to the upper end of the fixed testing mechanism, the motorized spindle testing device is mechanically driven, the axial error of the motorized spindle is rapidly measured and calculated in the fixed placement process of the motorized spindle, and the axial error of the motorized spindle is rapidly measured and calculated through motor driving. The inner supporting structures on the two sides make contact with the inner wall of the motorized spindle, radial error testing of the motorized spindle is achieved, stable testing operation of the motorized spindle is achieved, the device is mechanically driven and easy to operate, and by additionally arranging the blocking and protecting assembly, testing operation can be conveniently carried out when a worker places the motorized spindle needing to be tested on the device.

Description

Technical Field

[0001] The utility model relates to the technical field of electric spindles, in particular to an electric spindle testing device. Background Art

[0002] The motor spindle is the core component of the motor and directly affects the working efficiency and performance of the motor. The electric spindle test method is an important test method that can evaluate the performance and reliability of the motor spindle. Through this method, problems with the spindle can be discovered in time to ensure the normal operation of the motor. Therefore, in the process of motor production and maintenance, the electric spindle test method is indispensable. Only through scientific and effective testing methods can the quality and reliability of the motor spindle be guaranteed and the competitiveness of the product be improved. In order to facilitate the testing of the electric spindle, an electric spindle test device is required;

[0003] Traditionally, the electric spindle is tested by manually measuring the electric spindle with a vernier caliper and reading the caliper data to complete the test of the electric spindle.

[0004] There are problems. Traditionally, part of the electric spindle test is measured manually using a vernier caliper, which is prone to errors and inconvenient to read the required data. When measuring multiple groups of electric spindles, the efficiency is low. For this reason, we propose an electric spindle testing device. Utility Model Content

[0005] The technical problem to be solved by the present invention is to overcome the existing defects and provide an electric spindle testing device. The device is mechanically driven to quickly calculate the axial error of the electric spindle during the process of fixing the electric spindle. The internal support structures on both sides are driven by a motor to contact the inner wall of the electric spindle to realize the radial error test of the electric spindle, thereby realizing stable testing operation of the electric spindle, which can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the present utility model provides the following technical solutions: an electric spindle testing device, comprising an operating table, a fixed testing mechanism and an inner diameter testing mechanism;

[0007] Operating table: The upper end of the operating table is fixedly connected to the test table;

[0008] Fixed test mechanism: It is set inside the test bench;

[0009] Inner diameter testing mechanism: There are two of them, and both are fixedly connected to the upper end of the fixed testing mechanism. The device is mechanically driven to quickly calculate the axial error of the electric spindle during the fixed placement of the electric spindle. The motor drives the inner support structures on both sides to contact the inner wall of the electric spindle to realize the radial error test of the electric spindle and achieve stable testing operation of the electric spindle.

[0010] Furthermore, it also includes a single-chip microcomputer, which is fixedly connected to the upper end of the operating table. The input end of the single-chip microcomputer is electrically connected to an external power supply to regulate the normal operation of the motor.

[0011] Furthermore, the fixed test mechanism includes a slider, a fixed platform, a threaded rod, a photoelectric light emitter and a photoelectric light receiver. The threaded rod is rotatably connected to the inside of the test platform through a bearing. The outer surface of the threaded rod is threadedly connected to symmetrically distributed sliders. A slide groove is opened inside the test platform. The sliders are slidably connected to the slide groove. The upper ends of the sliders are fixedly connected to the fixed platform. The front ends of the sliders are respectively fixedly connected to the photoelectric light emitter and the photoelectric light receiver. The output end of the single-chip microcomputer is electrically connected to the input end of the photoelectric light emitter, the output end of the photoelectric light emitter is electrically connected to the input end of the photoelectric light receiver, and the output end of the photoelectric light receiver is electrically connected to the input end of the single-chip microcomputer, which facilitates axial fixed measurement of the electric spindle. The smaller the axial error, the more stable the operation of the electric spindle.

[0012] Furthermore, the fixed test mechanism also includes a drive motor, which is connected to the inside of the test bench through evenly distributed screws. The right end of the output shaft of the drive motor is fixedly connected to the left end of the threaded rod, and the input end of the drive motor is electrically connected to the output end of the microcontroller to provide power support for the fixed test device.

[0013] Furthermore, the fixed test mechanism also includes an arc-shaped baffle, which is fixedly connected to the upper end of the test table. The lower end of the fixed table is in sliding contact with the upper end of the arc-shaped baffle, which is convenient for placing the electric spindle.

[0014] Furthermore, the inner diameter testing mechanism includes a scale, a scale pointer, a screw, a T-shaped top plate and a test slider. The screws are rotatably connected to the inside of the fixed platform respectively. The outer surfaces of the screws are threadedly connected with symmetrically distributed test sliders. The opposite inner sides of the test sliders are fixedly connected with T-shaped top plates. The opposite outer sides of the test sliders are fixedly connected with scale pointers. The opposite outer sides of the fixed platform are provided with scales. The scales are installed in conjunction with the vertically adjacent scale pointers to facilitate the measurement of the inner diameter of the electric spindle. The smaller the radial error, the higher the accuracy of the electric spindle during operation.

[0015] Furthermore, the inner diameter testing mechanism also includes a starting motor, which is threadedly connected to the upper end of the fixed platform through screws, the lower end of the output shaft of the starting motor is fixedly connected to the upper end of the screw rod, and the input end of the starting motor is electrically connected to the output end of the single-chip microcomputer to provide power support for the inner diameter testing device.

[0016] Compared with the prior art, the beneficial effects of the present invention are: the electric spindle testing device has the following advantages:

[0017] During the actual use of the electric spindle test device, the operating table is moved to the required position of the electric spindle test device and placed. The staff places the electric spindle to be tested on the test table and uses two arc-shaped baffles to prevent the electric spindle from sliding and falling. The staff controls the single-chip microcomputer to start the drive motor. The output shaft of the drive motor rotates to drive the threaded rod to rotate, so that the two sliders drive the fixed table along the internal slide of the test table to move inward or outward at the same time, so that the two fixed tables fix the electric spindle. When the fixation is completed, the staff controls the single-chip microcomputer to start the photoelectric light emitter. The photoelectric light emitter emits rays for the photoelectric light receiver to receive, so that the photoelectric light receiver The signal is given to the single-chip microcomputer to test the axis length of the electric spindle. After the electric spindle is fixed, the staff starts the starting motor through the single-chip microcomputer control. The output shaft of the starting motor rotates to drive the screw to rotate, so that the test slider drives the T-shaped top plate to move outward at the same time, so that the T-end of the T-shaped top plate contacts the inner wall of the electric spindle, and the scale pointer is driven to the same height by the test slider. The device is mechanically driven to quickly calculate the axial error of the electric spindle during the process of fixing the electric spindle. Through the motor drive, the internal support structures on both sides contact the inner wall of the electric spindle to realize the radial error test of the electric spindle, and realize stable testing operation of the electric spindle. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model.

[0020] In the figure: 1 operating table, 2 fixed test mechanism, 21 driving motor, 22 slider, 23 fixed table, 24 threaded rod, 25 arc baffle, 26 photoelectric light emitter, 27 photoelectric light receiver, 3 inner diameter test mechanism, 31 starting motor, 32 scale, 33 scale pointer, 34 screw rod, 35 T-shaped top plate, 36 test slider, 4 single chip microcomputer, 5 test table. DETAILED DESCRIPTION

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

[0022] See also Figure 1-2 ,This embodiment provides a technical solution: an electric spindle testing device, comprising an operating table 1, a fixed testing mechanism 2 and an inner diameter testing mechanism 3;

[0023] Operating table 1: The upper end of the operating table is fixedly connected to the test table 5, and also includes a single-chip microcomputer 4, which is fixedly connected to the upper end of the operating table 1. The input end of the single-chip microcomputer 4 is electrically connected to the external power supply to regulate the normal operation of the motor;

[0024] Fixed test mechanism 2: It is arranged inside the test bench 5, and the fixed test mechanism 2 includes a slider 22, a fixed platform 23, a threaded rod 24, a photoelectric light emitter 26 and a photoelectric light receiver 27. The threaded rod 24 is rotatably connected to the inside of the test bench 5 through a bearing. The outer surface of the threaded rod 24 is threadedly connected with symmetrically distributed sliders 22. A slide groove is provided inside the test bench 5, and the sliders 22 are all slidably connected to the slide groove. The upper ends of the sliders 22 are fixedly connected to the fixed platform 23, and the front ends of the sliders 22 are respectively fixedly connected to the photoelectric light emitter 26 and the photoelectric light receiver 27. The output end of the single-chip microcomputer 4 is electrically connected to the input end of the photoelectric light emitter 26, the output end of the photoelectric light emitter 26 is electrically connected to the input end of the photoelectric light receiver 27, and the output end of the photoelectric light receiver 27 is electrically connected to the input end of the single-chip microcomputer 427. The fixed test mechanism 2 also includes a drive motor 21, which is uniformly distributed. The screws are connected to the inside of the test bench 5, the right end of the output shaft of the drive motor 21 is fixedly connected to the left end of the threaded rod 24, the input end of the drive motor 21 is electrically connected to the output end of the single-chip microcomputer 4, and the fixed test mechanism 2 also includes an arc-shaped baffle 25, which is respectively fixedly connected to the upper end of the test bench 5, and the lower end of the fixed platform 23 is in sliding contact with the upper end of the arc-shaped baffle 25. The output shaft of the drive motor 21 rotates to drive the threaded rod 24 to rotate, so that the two sliders 22 drive the fixed platform 23 along the internal slide groove of the test bench 5 to move inward or outward at the same time, so that the two fixed platforms 23 fix the electric spindle. When the fixation is completed, the staff controls the single-chip microcomputer 4 to start the photoelectric light emitter 26. The photoelectric light emitter 26 emits rays for the photoelectric light receiver 27 to receive, so that the photoelectric light receiver 27 sends the signal to the single-chip microcomputer 4 to realize the test of the axis length of the electric spindle;

[0025] Inner diameter testing mechanism 3: There are two of them. The two inner diameter testing mechanisms 3 are fixedly connected to the upper end of the fixed testing mechanism 2. The inner diameter testing mechanism 3 includes a scale 32, a scale pointer 33, a screw 34, a T-shaped top plate 35 and a test slider 36. The screw 34 is rotatably connected to the inside of the fixed platform 23. The outer surface of the screw 34 is threadedly connected with symmetrically distributed test sliders 36. The opposite inner sides of the test sliders 36 are fixedly connected with the T-shaped top plates 35. The opposite outer sides of the test sliders 36 are fixedly connected with the scale pointers 33. The opposite outer sides of the fixed platform 23 are provided with scales 32. The scales 32 are installed in conjunction with the vertically adjacent scale pointers 33. The test mechanism 3 also includes a starting motor 31, which is threadedly connected to the upper end of the fixed platform 23 by screws. The lower end of the output shaft of the starting motor 31 is fixedly connected to the upper end of the screw rod 34, and the input end of the starting motor 31 is electrically connected to the output end of the single-chip microcomputer 4. The output shaft of the starting motor 31 rotates to drive the screw rod 34 to rotate, so that the test slider 36 drives the T-shaped top plate 35 to move outward at the same time, so that the T-end of the T-shaped top plate 35 contacts the inner wall of the electric spindle, so that the scale pointer 33 is driven to the same height by the test slider 36. The staff calculates the inner diameter of the electric spindle by reading the value of the scale ruler 32 where the scale pointer 33 is located, and measures the inner diameter of the electric spindle.

[0026] The working principle of an electric spindle testing device provided by the present invention is as follows: the operating table 1 is moved to the required position of the electric spindle testing device and placed there, the staff places the electric spindle to be tested on the test table 5, and two arc-shaped baffles 25 are used to prevent the electric spindle from sliding and falling. The staff controls and starts the drive motor 21 through the single-chip microcomputer 4, and the output shaft of the drive motor 21 rotates to drive the threaded rod 24 to rotate, so that the two sliders 22 drive the fixed table 23 along the internal slide groove of the test table 5 to move inward or outward at the same time, so that the two fixed tables 23 fix the electric spindle. When the fixation is completed, the staff controls and starts the photoelectric light emitter 26 through the single-chip microcomputer 4, and the photoelectric light emitter 26 emits rays to make the photoelectric light receive The device 27 receives the signal, so that the photoelectric receiver 27 sends the signal to the single-chip microcomputer 4 to test the axial length of the electric spindle. After the electric spindle is fixed, the staff controls the single-chip microcomputer 4 to start the starting motor 31. The output shaft of the starting motor 31 rotates to drive the screw 34 to rotate, so that the test slider 36 drives the T-shaped top plate 35 to move outward at the same time, so that the T-end of the T-shaped top plate 35 contacts the inner wall of the electric spindle, so that the scale pointer 33 is driven to the same height by the test slider 36. The staff reads the value of the scale ruler 32 where the scale pointer 33 is located, calculates the inner diameter of the electric spindle, and measures the inner diameter of the electric spindle. By comparing the actual data, the axial and radial error tests of the electric spindle are met.

[0027] It is worth noting that the drive motor 21 disclosed in the above embodiments can be GF28-400W-60S, the starting motor 31 can be 86BLF02, the photoelectric light emitter 26 can be a CPK-TR40MR3 light emitter, and the photoelectric light receiver 27 can be a CPK-TR40MR3 light receiver. The microcontroller 4 controls the operation of the drive motor 21, the starting motor 31, the photoelectric light emitter 26 and the photoelectric light receiver 27 using methods commonly used in the prior art.

[0028] The above description is merely 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 description 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. An electric spindle testing device, characterized in that: It comprises an operating table (1), a fixed testing mechanism (2) and an inner diameter testing mechanism (3); Operating table (1): the upper end of which is fixedly connected to a test table (5); Fixed testing mechanism (2): It is arranged inside the testing table (5); Inner diameter testing mechanisms (3): There are two inner diameter testing mechanisms (3), and both inner diameter testing mechanisms (3) are fixedly connected to the upper end of the fixed testing mechanism (2).

2. The electric spindle testing device according to claim 1, characterized in that: It also includes a single-chip microcomputer (4), which is fixedly connected to the upper end of the operating table (1), and the input end of the single-chip microcomputer (4) is electrically connected to an external power supply.

3. The electric spindle testing device according to claim 2, characterized in that: The fixed test mechanism (2) includes a slider (22), a fixed platform (23), a threaded rod (24), a photoelectric light emitter (26) and a photoelectric light receiver (27). The threaded rod (24) is rotatably connected to the inside of the test platform (5) through a bearing. The outer surface of the threaded rod (24) is threadedly connected to the sliders (22) that are symmetrically distributed. A slide groove is provided inside the test platform (5). The sliders (22) are all slidably connected to the slide groove. The upper ends of the sliders (22) are fixedly connected to the fixed platform (23). The front ends of the sliders (22) are respectively fixedly connected to the photoelectric light emitter (26) and the photoelectric light receiver (27). The output end of the single-chip microcomputer (4) is electrically connected to the input end of the photoelectric light emitter (26), the output end of the photoelectric light emitter (26) is electrically connected to the input end of the photoelectric light receiver (27), and the output end of the photoelectric light receiver (27) is electrically connected to the input end of the single-chip microcomputer (4) (27).

4. The electric spindle testing device according to claim 3, characterized in that: The fixed test mechanism (2) further comprises a drive motor (21), the drive motor (21) being connected to the interior of the test bench (5) via evenly distributed screws, the right end of the output shaft of the drive motor (21) being fixedly connected to the left end of the threaded rod (24), and the input end of the drive motor (21) being electrically connected to the output end of the single-chip computer (4).

5. The electric spindle testing device according to claim 3, characterized in that: The fixed test mechanism (2) further comprises an arc-shaped baffle (25), wherein the arc-shaped baffle (25) is respectively fixedly connected to the upper end of the test platform (5), and the lower end of the fixed platform (23) is in sliding contact with the upper end of the arc-shaped baffle (25).

6. The electric spindle testing device according to claim 3, characterized in that: The inner diameter testing mechanism (3) comprises a scale (32), a scale pointer (33), a screw (34), a T-shaped top plate (35) and a test slider (36); the screw (34) is rotatably connected to the inside of the fixed platform (23); the outer surface of the screw (34) is threadedly connected to the symmetrically distributed test sliders (36); the opposite inner side surfaces of the test sliders (36) are fixedly connected to the T-shaped top plates (35); the opposite outer side surfaces of the test sliders (36) are fixedly connected to the scale pointers (33); the opposite outer side surfaces of the fixed platform (23) are provided with scales (32); the scales (32) are mounted in conjunction with the vertically adjacent scale pointers (33).

7. The electric spindle testing device according to claim 6, characterized in that: The inner diameter testing mechanism (3) further comprises a starting motor (31), wherein the starting motor (31) is threadedly connected to the upper end of the fixing platform (23) via screws, the lower end of the output shaft of the starting motor (31) is fixedly connected to the upper end of the screw rod (34), and the input end of the starting motor (31) is electrically connected to the output end of the single chip computer (4).

Images