CN114322879A - Surface circle run-out measuring device for motor shaft machining - Google Patents

Abstract

The invention discloses a surface circular run-out measuring device for motor shaft machining, and relates to the technical field of motor shaft machining surface circular run-out measurement; in order to improve the accuracy of the measurement; the novel V-shaped plate comprises a base, base top outer wall is provided with the V type and places board one, the V type is placed board one side outer wall and is provided with the slide bar, slide bar circumference outer wall swing joint has the V type and places board two, the V type is placed and is provided with two spacing slides, two in the two bottoms of board spacing slide inner wall swing joint has the slip post, slip post top outer wall is provided with rectangular plate, two rectangular plate one side inner wall swing joint has same semicircle board. The V-shaped placing plate I and the V-shaped placing plate II are arranged for placing motor shafts of different specifications, and the V-shaped placing plate II slides along the outer wall of the circumference of the sliding rod, so that the motor shafts of different lengths can be placed, and the flexibility is improved.

Description

A Surface Circle Runout Measuring Device for Motor Shaft Machining

technical field

The invention relates to the technical field of circular runout measurement on the machining surface of a motor shaft, in particular to a surface circular runout measurement device for machining a motor shaft.

Background technique

In the process of workpiece processing, end face circular runout measurement is a widely used measurement method. During the operation, the contact of the measuring instrument needs to be manually placed on the circumferential surface of the workpiece, but the position of the contact cannot be guaranteed by manual means. Accuracy at the time of placement, resulting in errors in measurement results.

After searching, the Chinese patent application number is CN201910781110.9, which discloses a radial circular runout measuring instrument. The measuring instrument includes: the measuring instrument includes a display instrument with a measuring needle, a mounting frame, a base, a first stable The display instrument is installed on the installation frame and can move along the length direction of the installation frame, the installation frame is installed on the base, and the installation frame can move along the axial direction parallel to the measurement axis ; The first stabilizer and the second stabilizer are mounted on the base in a manner of an adjustable distance from each other.

A radial circular runout measuring instrument in the above-mentioned patent has the following shortcomings: in the process of measurement, when the contact of the display instrument is placed on the workpiece, the position of the contact needs to be adjusted manually, so that there will be errors in the measurement process. .

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the shortcomings existing in the prior art, and proposes a surface circular runout measuring device for machining a motor shaft.

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

A surface circular runout measuring device for machining a motor shaft, comprising a base, a V-shaped placing plate is arranged on the outer wall of the top of the base, and a sliding rod is arranged on the outer wall of one side of the V-shaped placing plate, and the circumference of the sliding rod is provided. The outer wall is movably connected with a V-shaped placing plate 2, two limit slides are arranged in the bottom of the V-shaped placing plate 2, and the inner walls of the two limit slides are movably connected with sliding columns, and the sliding columns The outer wall of the top is provided with a rectangular plate, the inner wall of one side of the two rectangular plates is movably connected with the same semi-circular plate, the top of the semi-circular plate is connected with the main body of the measuring instrument through the thread, and the bottom end of the main body of the measuring instrument is provided with Measuring head, the bottom outer wall of the rectangular plate is movably connected to the second limiting piece through the damping shaft, the outer wall of one side of the semi-circular plate is provided with a U-shaped plate, the inner walls of both sides of the U-shaped plate are provided with cylindrical rods, and the cylindrical A hole-shaped plate is movably connected to the outer wall of the circumference of the rod, and the outer wall of the top of the rectangular plate is movably connected to a limiting piece 1 through a damping shaft.

Preferably, a fixing plate is arranged on the outer wall of one side of the V-shaped placing plate, and an L-shaped plate is arranged on the outer wall of the second side of the V-shaped placing plate.

Preferably, a threaded rod is connected to the outer wall of one side of the L-shaped plate through a thread, and one end of the threaded rod is provided with a pressing sheet.

As preferred in the present invention, the same spring is clamped on the inner wall of one side of the sliding rod and the outer wall of the second side of the V-shaped placing plate, and the outer wall of the second side of the V-shaped placing plate is provided with a pull rod.

As a preferred option of the present invention: a sliding frame is provided on the outer wall of the second side of the V-shaped placing plate, the outer wall of the sliding frame is movably connected with a lifting plate, and the outer wall of the top of the lifting plate is movably connected with a threaded rod 3 through a bearing, so The outer wall of the three tops of the threaded rod is provided with a hand wheel.

As a preferred aspect of the present invention: a hollow column is movably connected to the inner wall of the lifting plate, two threaded rods are connected to the outer circumferential wall of the hollow column through threads, and an elastic plate pressing plate is movably connected to the bottom outer wall of the second threaded rod through a bearing. The outer wall of the arc surface of the elastic sheet pressing plate is provided with two guide posts.

Further: a rotating column is movably connected to the inner wall of the lifting plate, and a pulley is provided on the circumferential outer wall of the rotating column and the circumferential outer wall of the hollow column.

As a further solution of the present invention, the same belt is movably connected to the circumferential outer walls of the two pulleys.

As a further solution of the present invention, a shaking handle is provided on the outer wall of one side of the rotating column.

The beneficial effects of the present invention are:

1. By setting the limited slideway, it can be used to slide the column, so that the semicircular plate can slide in the horizontal direction, so that the position of the main body of the measuring instrument and the measuring head can be adjusted, so that the motor can be adjusted. The surface circle runout is measured at different positions on the circumferential surface of the shaft. At the same time, the main body of the measuring instrument is connected to the top of the semicircular plate by screws. By rotating the main body of the measuring instrument, the distance between the measuring head and the circumferential surface of the motor shaft can be measured. Adjustment, so that the surface circular runout measurement of the motor shafts with different outer diameters can be performed. The center line of the measuring instrument body passes through the center of the circle where the semi-circular plate is located, thus ensuring that the measuring head can move up and down in the process of the motor. When the shaft is placed horizontally, the bottom of the measuring head can always be in contact with the highest point of the circumference of the motor shaft.

2. By rotating the limiting piece two, when the bottom of the semi-circular plate is rotated to coincide with the plane where the bottom of the rectangular plate is located, the semi-circular plate can be limited to ensure the stability of the semi-circular plate. At the same time, it can ensure that the semicircular plate is perpendicular to the horizontal plane.

3. The main body of the measuring instrument can be fixed with threads by being provided with a hole-type plate, so that when the semicircular plate is rotated to be parallel to the horizontal plane, the main body of the measuring instrument can be used to measure the surface circular runout of the end face of the motor shaft. The hole plate slides along the cylindrical rod, so that the contact position between the measuring head and the end face of the motor shaft can be adjusted according to the outer diameter of the motor shaft. By rotating the limit piece along the top of the rectangular plate, Therefore, the position of the semicircular plate can be defined after the semicircular plate is rotated to be parallel to the horizontal plane.

4. The distance between the V-shaped placing plate 2 and the V-shaped placing plate 1 can be freely adjusted by pulling and pushing the pull rod. The pressing piece is pressed against the outer wall of one side of the fixed plate, so that the position of the V-shaped placing plate 2 can be limited, and the V-shaped placing plate 2 can be quickly reset after the surface circular runout measurement is completed by providing a spring.

5. By rotating the threaded rod 2, the shrapnel pressing plate can move up and down along the inner wall of the hollow cylinder circumference under the guidance of the guide column, so that the circumference of the motor shaft can be clamped and fixed by the two shrapnel pressing plates. The lifting plate moves up and down under the guiding action of the sliding frame, so that the hollow column can accommodate motor shafts with different outer diameters during the up and down movement.

Description of drawings

1 is a schematic diagram of the overall structure of a surface circular runout measuring device for motor shaft machining proposed by the present invention;

Fig. 2 is a top-view structural schematic diagram of a surface circular runout measuring device for motor shaft machining proposed by the present invention;

3 is a schematic front view of the structure of a motor shaft fixing assembly of a surface circular runout measuring device for motor shaft machining proposed by the present invention;

4 is a schematic side view of the structure of a motor shaft fixing assembly of a surface circular runout measuring device for motor shaft machining proposed by the present invention;

5 is a schematic top view structure diagram of a measuring assembly of a surface circular runout measuring device for motor shaft machining proposed by the present invention;

6 is a schematic view of the bottom view structure of a measuring assembly of a surface circular runout measuring device for machining a motor shaft proposed by the present invention.

In the picture: 1-base, 2-fixed plate, 3-limit slide, 4-V-type placement plate 1, 5-slide rod, 6-spring, 7-tie rod, 8-L-shaped plate, 9-threaded rod 1. 10-tablet, 11-V-shaped placing plate 2. 12-shrapnel pressing plate, 13-hollow column, 14-threaded rod 2. 15-guide column, 16-lifting plate, 17-slide frame, 18-threaded rod 3. 19-rotating column, 20-hand wheel, 21-belt, 22-belt wheel, 23-jog handle, 24-hole plate, 25-semicircle plate, 26-limiting piece 1. 27-cylindrical rod , 28-U-shaped plate, 29-measurement instrument body, 30-limiting piece two, 31-rectangular plate, 32-sliding column, 33-measuring head.

Detailed ways

The technical solution of the present patent will be described in further detail below in conjunction with specific embodiments.

Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present patent, but should not be construed as a limitation on the present patent.

In the description of this patent, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientation or positional relationship indicated by "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing this patent and simplifying the description, rather than limiting the intended The device, structure or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation on this patent.

In the description of this patent, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected" and "arranged" should be understood in a broad sense. , it can also be detachably connected and set, or integrally connected and set. For those of ordinary skill in the art, the specific meanings of the above terms in this patent can be understood according to specific situations.

Example 1:

A surface circular runout measurement device for motor shaft machining, as shown in Figure 1-2 and Figure 5-6, includes a base 1, and a V-shaped placement plate 1 4 is fixed on the top outer wall of the base 1 by bolts. A sliding rod 5 is fixed on the outer wall of one side of the V-shaped placing plate 4 by bolts, and the outer peripheral wall of the sliding rod 5 is slidably connected with a V-shaped placing plate 2 11 . It can be used to place motor shafts of different specifications. By sliding the V-shaped placing plate 2 11 along the outer peripheral wall of the slide bar 5, the motor shafts of different lengths can be placed, and the flexibility is improved; Two limit slides 3 are fixed in the bottom of the placing plate 2 11 by bolts, and the inner walls of the two limit slides 3 are slidably connected with sliding columns 32 , and the top outer wall of the sliding columns 32 is fixed with a rectangular shape by bolts. Plate 31, the inner wall of one side of the two rectangular plates 31 is rotatably connected with the same semi-circular plate 25, the top of the semi-circular plate 25 is connected with a measuring instrument main body 29 by screws, and the bottom end of the measuring instrument main body 29 is provided There is a measuring head 33, which can be used for sliding the sliding column 32 by setting the limited slideway 3, so that the semicircular plate 25 can slide in the horizontal direction, so that the distance between the measuring instrument body 29 and the measuring head 33 can be adjusted. The position of the measuring instrument can be adjusted, so that the surface circle runout can be measured at different positions on the circumferential surface of the motor shaft. At the same time, the main body 29 of the measuring instrument is connected to the top of the semicircular plate 25 by screws. By rotating the main body of the measuring instrument 29, the measurement can be The distance between the head 33 and the peripheral surface of the motor shaft is adjusted, so that the surface circle runout measurement can be performed on motor shafts with different outer diameters, and the center line where the measuring instrument body 29 is located passes through the center of the circle where the semicircular plate 25 is located, thereby It is ensured that in the process of moving up and down the measuring head 33, when the motor shaft is placed horizontally, the bottom of the measuring head 33 can always be in contact with the highest point of the circumferential surface of the motor shaft, so as to ensure that the surface of the motor shaft is beating. The accuracy of the measurement; the bottom outer wall of the rectangular plate 31 is connected to the second limiting piece 30 through the rotation of the damping shaft. When the plane of the semicircular plate 25 is overlapped, the position of the semicircular plate 25 can be limited, so as to ensure the stability of the semicircular plate 25 and at the same time ensure that the semicircular plate 25 is perpendicular to the horizontal plane; A U-shaped plate 28 is fixed, the inner walls on both sides of the U-shaped plate 28 are fixed with cylindrical rods 27 by bolts, and the circumferential outer wall of the cylindrical rod 27 is slidably connected with a hole-shaped plate 24, and the top outer wall of the rectangular plate 31 is rotated by a damping shaft. Connecting the limiting piece 1 26, the measuring instrument main body 29 can be fixed with threads by being provided with the hole-type plate 24, so that when the semicircular plate 25 is rotated to be parallel to the horizontal plane, the measuring instrument main body 29 can be used to adjust the motor shaft. The surface runout is measured on the end face. By sliding the hole plate 24 along the cylindrical rod 27, the outer diameter of the motor shaft can be measured according to the size of the outer diameter of the motor shaft. The position where the measuring head 33 is in contact with the end face of the motor shaft is adjusted. By rotating the limiting piece 1 26 along the top of the rectangular plate 31, the semicircular plate 25 can be rotated to be parallel to the horizontal plane. The position of the semicircular plate 25 is defined.

In order to limit the position of the V-shaped placing plate 2 11 relative to the V-shaped placing plate 1 4; as shown in Figure 1-2, the outer wall of one side of the V-shaped placing plate 1 4 is fixed with a fixing plate 2 by bolts. An L-shaped plate 8 is fixed on one side of the V-shaped placing plate 11 by bolts, and a threaded rod 1 9 is threadedly connected to the outer wall of one side of the L-shaped plate 8. One end of the threaded rod 1 9 is fixed with a pressing sheet 10 by bolts. , the inner wall of one side of the sliding rod 5 and the outer wall of the V-shaped placing plate 2 11 are clamped with the same spring 6, and the outer wall of the V-shaped placing plate 2 11 is fixed with a pull rod 7 by bolts. Pulling and pushing can freely adjust the distance between the V-shaped placing plate 2 11 and the V-shaped placing plate 1 4. When the V-shaped placing plate 2 11 is moved to the appropriate position, the threaded rod 1 9 can be rotated to make the pressure The sheet 10 is crimped on the outer wall of one side of the fixing plate 2, so that the position of the V-shaped placing plate 2 11 can be limited. By being provided with a spring 6, after the measurement of the surface circular runout is completed, the V-shaped placing plate 2 11 can be quickly reset.

When this embodiment is used, firstly adjust the distance between the V-shaped placing plate 11 and the V-shaped placing plate 1 4 according to the length of the motor shaft, and then rotate the threaded rod 1 9 so that the pressing piece 10 is crimped on the fixing plate 2 surface, so as to define the relative position between the V-shaped placing plate 1 4 and the V-shaped placing plate 2 11, and then the semicircular plate 25 is rotated along the two rectangular plates 31, so that the semicircular plate 25 and the The horizontal plane is vertical, and then the second limit piece 30 is rotated to limit the position of the semicircular plate 25, and then the main body 29 of the measuring instrument is connected to the top of the semicircular plate 25 by screwing, and then the measuring head 33 is rotated during the rotation. Gradually fit with the circumferential surface of the motor shaft, and then manually rotate the motor shaft, so as to use the measuring head 33 to measure the surface circular runout of the circumferential surface of the motor shaft, and then slide the sliding column 32 along the limit slide 3, thereby The measuring head 33 is used to measure the surface runout at different positions on the circumferential surface of the motor shaft. When it is necessary to measure the surface runout of the end face of the motor shaft, the semicircular plate 25 is rotated along the rectangular plate 31, so that the semicircular plate 25 is rotated. The plate 25 is moved to be parallel to the horizontal plane, then the main body 29 of the measuring instrument is connected to the inner circumferential wall of the hole plate 24 by screwing, and then the hole plate 24 is slid along the outer circumferential wall of the cylindrical rod 27 according to the measurement position, so as to make the measurement. The head 33 is attached to the end face of the motor shaft, so that the measuring head 33 is used to measure the surface runout of the end face of the motor shaft during the rotation of the motor shaft.

Example 2:

A surface circular runout measurement device for motor shaft machining, as shown in Figure 3-4, in order to facilitate the rotation of the motor shaft; this embodiment makes the following additions on the basis of Embodiment 1: the V-shaped placement plate A sliding frame 17 is fixed to the outer wall of one side of the second 11 by bolts. The outer wall of the sliding frame 17 is slidably connected to a lifting plate 16. The outer wall of the top of the lifting plate 16 is connected to a threaded rod 18 through a bearing rotation. The top of the threaded rod 18 The outer wall is fixed with a hand wheel 20 by bolts, the inner wall of the lifting plate 16 is rotatably connected with a hollow column 13, and the outer wall of the hollow column 13 is threadedly connected with two threaded rods 14, and the bottom outer wall of the threaded rod 14 passes through a bearing. A shrapnel pressing plate 12 is rotatably connected, and two guide posts 15 are fixed on the curved outer wall of the shrapnel pressing plate 12 by bolts. By rotating the threaded rod 2 14, the shrapnel pressing plate 12 can be guided along the circumference of the hollow column 13 by the guiding action of the guide post 15. The inner wall moves up and down, so that the circumference of the motor shaft can be clamped and fixed by the two elastic plate pressing plates 12, and the lifting plate 16 can be moved up and down under the guidance of the sliding frame 17 by rotating the threaded rod 3 18, so that the hollow column 13 can be moved up and down. In the process of moving up and down, motor shafts with different outer diameters can be accommodated; the inner wall of the lifting plate 16 is rotatably connected with a rotating column 19, and the circumferential outer wall of the rotating column 19 and the circumferential outer wall of the hollow column 13 are fixed by bolts with pulleys 22. The same belt 21 is rotatably connected to the circumferential outer walls of the two pulleys 22. The outer wall of one side of the rotating column 19 is fixed with a crank handle 23 by bolts. By rotating the crank handle 23, the hollow column 13 can be driven by the belt 21. Synchronous rotation is performed under the action, so that the motor shaft can be rotated, so as to avoid manual holding and rotation of the motor shaft for a long time, resulting in hand fatigue, so as to improve the efficiency of the surface circular runout measurement of the motor shaft.

When this embodiment is used, in the process of placing the motor shaft on the V-shaped placing plate 1 4 and the V-shaped placing plate 2 11, the height of the lifting plate 16 is adjusted according to the size of the motor shaft, so that the motor shaft It can pass through the inner wall of the circumference of the hollow column 13, and then rotate the second threaded rod 14, so that the second threaded rod 14 can clamp and fix the motor shaft by the shrapnel pressing plate 12 during the rotation process, and then rotate the crank handle 23 so that the hollow column 13 can drive The motor shaft rotates, which can effectively reduce the operator's fatigue.

The above are the preferred specific embodiments of the present invention, but are not the only specific embodiments of the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims (9)

1. A surface circular runout measuring device for motor shaft machining, comprising a base (1), characterized in that the top outer wall of the base (1) is provided with a V-shaped placement plate one (4), and the V-shaped placement A sliding rod (5) is arranged on the outer wall of one side of the first plate (4), and the outer peripheral wall of the sliding rod (5) is movably connected with a V-shaped placing plate 2 (11), and the bottom of the V-shaped placing plate 2 (11) is arranged There are two limit slideways (3), the inner walls of the two limit slideways (3) are movably connected with a sliding column (32), and a rectangular plate (31) is provided on the top outer wall of the sliding column (32). ), the inner wall of one side of the two rectangular plates (31) is movably connected with the same semi-circular plate (25), the top of the semi-circular plate (25) is connected with a measuring instrument main body (29) through threads, and the The bottom end of the main body (29) of the measuring instrument is provided with a measuring head (33), the bottom outer wall of the rectangular plate (31) is movably connected to the second limiting piece (30) through the damping shaft, and the outer wall of one side of the semicircular plate (25) A U-shaped plate (28) is provided, the inner walls on both sides of the U-shaped plate (28) are provided with cylindrical rods (27), and the circumferential outer wall of the cylindrical rod (27) is movably connected with a hole-shaped plate (24). The outer wall of the top of the plate (31) is movably connected to the limiting piece one (26) through the damping shaft. 2. A surface circular runout measuring device for motor shaft machining according to claim 1, characterized in that, a fixing plate (2) is provided on the outer wall of one side of the V-shaped placing plate (4), and the An L-shaped plate (8) is arranged on the outer wall of one side of the second V-shaped placing plate (11). 3. A surface circular runout measuring device for motor shaft machining according to claim 2, wherein the outer wall of one side of the L-shaped plate (8) is threadedly connected with a threaded rod one (9), so One end of the threaded rod one (9) is provided with a pressing piece (10). 4. A surface circular runout measuring device for motor shaft machining according to claim 3, wherein the inner wall of one side of the sliding rod (5) and the outer wall of one side of the V-shaped placing plate two (11) are clamped The same spring (6) is connected, and a pull rod (7) is provided on the outer wall of one side of the second V-shaped placing plate (11). 5 . The surface circular runout measuring device for motor shaft machining according to claim 4 , wherein a sliding frame ( 17 ) is provided on the outer wall of the second (11) side of the V-shaped placing plate, and the A lift plate (16) is movably connected to the outer wall of the sliding frame (17), the top outer wall of the lift plate (16) is movably connected with a threaded rod three (18) through a bearing, and a hand wheel is provided on the top outer wall of the threaded rod three (18). (20). 6. A surface circular runout measuring device for motor shaft machining according to claim 5, characterized in that a hollow column (13) is movably connected to the inner wall of the lifting plate (16), and the hollow column (13) ) There are two threaded rods (14) connected to the outer circumferential wall by threads, and the outer wall of the bottom of the threaded rods (14) is movably connected with an elastic sheet pressing plate (12) through a bearing, and the arc surface outer wall of the elastic sheet pressing plate (12) is provided with two a guide post (15). 7 . The surface circular runout measuring device for motor shaft machining according to claim 6 , wherein the inner wall of the lift plate ( 16 ) is movably connected with a rotating column ( 19 ), and the rotating column ( 19 ). 8 . ) The circumferential outer wall and the circumferential outer wall of the hollow column (13) are provided with pulleys (22). 8 . The surface runout measuring device for motor shaft machining according to claim 7 , wherein a same belt ( 21 ) is movably connected to the circumferential outer walls of the two pulleys ( 22 ). 9 . 9 . The surface circular runout measuring device for motor shaft machining according to claim 8 , wherein a crank handle ( 23 ) is provided on the outer wall of one side of the rotating column ( 19 ). 10 .

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