CN109323644B - Shaft workpiece surface roundness detection tool and shaft workpiece roundness detection method - Google Patents
Shaft workpiece surface roundness detection tool and shaft workpiece roundness detection method Download PDFInfo
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- CN109323644B CN109323644B CN201811200107.5A CN201811200107A CN109323644B CN 109323644 B CN109323644 B CN 109323644B CN 201811200107 A CN201811200107 A CN 201811200107A CN 109323644 B CN109323644 B CN 109323644B
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- 230000005540 biological transmission Effects 0.000 claims description 47
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- 230000007704 transition Effects 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 15
- 239000000049 pigment Substances 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 21
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
- G01B5/201—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures for measuring roundness
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Abstract
The invention relates to a shaft workpiece surface roundness detection tool and a shaft workpiece roundness detection method. The invention can solve the problems that the roundness detection of the surface of the shaft workpiece needs a manual handheld tool, the working stability is poor, the protrusions and the depressions on the surface of the workpiece cannot be respectively detected, the recording of the defect positions is not accurate, and the like in the conventional roundness detection process of the surface of the shaft workpiece, can realize the function of automatically detecting the roundness of the surface of the shaft workpiece, and has the advantages of no need of manual detection, good working stability, capability of respectively detecting the protrusions and the depressions on the surface of the workpiece, accurate recording of the defect positions, and the like.
Description
Technical Field
The invention relates to the field of workpiece detection equipment, in particular to a shaft workpiece surface roundness detection tool and a shaft workpiece roundness detection method.
Background
Before a shaft workpiece is put into use or remanufactured, the roundness of the surface of the shaft workpiece needs to be detected, the roundness of the shaft workpiece is detected by using a roundness measuring instrument by workers at present, the workers need to hold the roundness measuring instrument to detect the surface of the workpiece one by one, in the detection process, the situation of inaccurate detection results is easily caused by hand shaking of the workers, and when the roundness of the workpiece is detected, bulges and depressions on the surface of the workpiece cannot be detected respectively, the workload for repairing the defects later is increased, besides, the existing roundness measuring instrument cannot mark the positions of the defects on the workpiece during working, the workers often need to record manually, and the error of the measurement results is increased undoubtedly. In order to solve the problems, the invention provides a tool for detecting the surface roundness of a shaft workpiece.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a shaft workpiece surface roundness detection tool and a shaft workpiece roundness detection method, which can solve the problems that the roundness detection process of the surface of the conventional shaft workpiece needs a manual handheld tool for detection, the working stability is poor, the protrusions and the depressions on the surface of the workpiece cannot be respectively detected, the recording of the defect positions is inaccurate, and the like, can realize the function of automatically detecting the roundness of the surface of the shaft workpiece, and have the advantages of no need of manual detection, good working stability, capability of respectively detecting the protrusions and the depressions on the surface of the workpiece, accurate recording of the defect positions, and the like.
The technical scheme adopted by the invention to solve the technical problem is as follows: the shaft workpiece surface roundness detection tool comprises a bottom plate, a mounting frame, a workpiece clamping mechanism, a transmission mechanism and a detection mechanism, wherein the mounting frame is mounted on the bottom plate, the transmission mechanism is mounted on the side wall of the mounting frame, the lower end of the transmission mechanism is connected with the workpiece clamping mechanism, the detection mechanism is arranged at the upper end of the workpiece clamping mechanism, and the detection mechanism is mounted on the side wall of the mounting frame; wherein:
the transmission mechanism comprises a transmission motor, a transmission gear, a transition gear, a driven gear, a rotating column, a first indicating disc, a second indicating disc and a pointer, the transmission motor is arranged on the side wall of the mounting frame through a motor base, an output shaft of the transmission motor is connected with the side wall of the transmission gear, the upper end of the transmission gear is meshed with the lower end of the transition gear, the transition gear is arranged on the side wall of the mounting frame through a bearing, the upper end of the transition gear is meshed with the lower end of the driven gear, the side wall of the driven gear is connected with one end of the rotating column, the rotating column is connected with the side wall of the mounting frame through a bearing, the first indicating disc is arranged at the other end of the rotating column, the pointer is arranged at the lower end of the first indicating disc, the second indicating disc is arranged at the lower end of the pointer, the second indicating disc is, the zero scale mark on the first indicating dial and the zero scale mark on the second indicating dial are arranged in an up-and-down symmetrical mode; after the position of the workpiece is fixed, the transmission gear is driven to rotate through the transmission motor, and under the transitional action of the transition gear, the driven gear and the transmission gear rotate in the same direction, so that the scales of the pointer on the first indicating disc and the second indicating disc are the same, and the position with unqualified roundness of the workpiece can be corrected conveniently.
The workpiece clamping mechanism comprises two rotating plates, an adjusting cylinder, an adjusting frame, a limiting frame, an adjusting electric push rod and a pressing plate, wherein the side wall of one rotating plate is connected with the side wall of a transmission gear, the other rotating plate is arranged on the side wall of the mounting frame through a bearing, the two rotating plates are symmetrically arranged on the left side and the right side of the mounting frame, the inner sides of the rotating plates are connected with the bottom end of the adjusting cylinder, the top end of the adjusting cylinder is arranged on the side wall of the adjusting frame, the adjusting frame is of a circular structure, the limiting frame is arranged in the middle of the adjusting frame, the limiting frame is of a hollow cylindrical structure with an opening at one end, limiting holes are uniformly formed in the side wall of the limiting frame along the circumferential direction of the limiting frame, the adjusting electric push rod is arranged in the limiting; the staff puts into the spacing with the work piece one end that awaits measuring to according to the difference of work piece actual length, adjust the alignment jig position through the concertina movement of adjusting cylinder, after the alignment jig position adjustment is suitable, put into another spacing with the work piece other end again, drive the clamp plate through the concertina movement of adjusting electric putter and carry out rectilinear motion, hug closely mutually with the work piece lateral wall until the clamp plate lateral wall, make the work piece can not change in subsequent testing process position, with the accuracy of assurance testing result.
The detection mechanism comprises guide rails, an electric slide block, a guide frame, a sliding plate, a first detection frame, an electric push rod for adjusting length, a detection plate, a compression spring, a working plate, an electric push rod for working, a pressing block, a transverse plate, a connecting electric push rod, a second detection frame and an adjusting spring, wherein the number of the guide rails is two, the two guide rails are symmetrically arranged on the side wall of the mounting frame from front to back, the electric slide block is arranged between the two guide rails in a sliding fit mode, a round hole is formed in the upper end of the electric slide block, the guide frame is arranged at the upper end of the round hole and is of a hollow cylindrical structure with openings at the upper end and the lower end, a guide groove is formed in the side wall of the guide frame, the sliding plate is arranged in the guide groove in a sliding fit mode, the upper end of the sliding, the lower end of the sliding plate is provided with a length-adjusting electric push rod, the top end of the length-adjusting electric push rod is provided with a detection plate, the middle part of the lower end of the detection plate is provided with an auxiliary groove, sponges are symmetrically arranged on the front side and the back side of the lower end of the detection plate, the lower end of the sponges is of a cambered surface structure, the detection plate is provided with two detection holes which are symmetrically arranged left and right, the side wall of the fixed end of the length-adjusting electric push rod is provided with a working plate, the left end and the right end of the working plate are symmetrically provided with working electric push rods, the top end of each working electric push rod is provided with a pressing block, the lower end of each pressing block is provided with a transverse plate, the middle part of each transverse plate is provided with a through hole, the upper, the top end of the electric push rod is connected with the upper end of the second detection frame, and pigments are coated on the top ends of the first detection frame and the second detection frame; after the electric slide block moves to a proper position, the length of the electric push rod for adjusting the length is adjusted according to the actual diameter of a workpiece to be detected until the lower end of a sponge arranged on the detection plate is contacted with the working side wall, the length of the electric push rod for working is adjusted, so that the lower end of the press block is not contacted with the upper end of the transverse plate, the bulges and the depressions on the surface of the workpiece are respectively detected in the rotating process of the workpiece, when the bulges exist, the position of the second detection frame is adjusted by connecting the telescopic motion of the electric push rod, the second detection frame is positioned in the auxiliary groove, the lower end of the second detection frame does not exceed the lower end of the detection plate, if the bulges exist on the surface of the workpiece, the bulges can jack up the second detection frame, so that the sliding plate drives the first detection frame to move upwards, the pigment on the top end of the first detection frame is coated on the surface of the rotating column, and then the, so that the lower end of the second detection frame extends out of the auxiliary groove and the lower end of the second detection frame does not exceed the lower end face of the sponge, if the surface of the workpiece is sunken, under the elastic force of the pressing spring, the sliding plate drives the length-adjusting electric push rod to move downwards, so that the pressing block at the top end of the working electric push rod arranged at the lower end of the working plate generates pressure on the transverse plate, and then the connecting electric push rod is driven to move downwards, so that the second detection frame prints the pigment on the corresponding position of the surface of the workpiece, after the surface bulge or the surface depression is detected each time, the worker needs to record the scales indicated by the pointer on the first indicating dial or the second indicating dial, can respectively detect the protrusion and the depression of the surface of the workpiece, therefore, the defects can be repaired by different methods in the later working process, the positions of the defects can be accurately recorded, and the time for repairing the defects later is saved.
In addition, the invention also provides a shaft workpiece roundness detection method of the shaft workpiece surface roundness detection tool, which comprises the following steps:
1. a worker puts one end of a workpiece to be detected into a limiting frame, adjusts the position of an adjusting frame through the telescopic motion of an adjusting cylinder according to the difference of the actual lengths of the workpiece, puts the other end of the workpiece into the other limiting frame after the position of the adjusting frame is properly adjusted, and drives a pressing plate to linearly move through the telescopic motion of an adjusting electric push rod until the side wall of the pressing plate is attached to the side wall of the workpiece, so that the position of the workpiece cannot change in the subsequent detection process;
2. after the position of a workpiece is fixed, a transmission gear is driven to rotate through a transmission motor, and a driven gear and the transmission gear rotate in the same direction under the transitional action of a transition gear, so that the scales of a pointer on a first indicating dial and a second indicating dial are the same;
3. after the electric sliding block moves to a proper position, adjusting the length of the length-adjusting electric push rod according to the actual diameter of the workpiece to be detected until the lower end of the sponge mounted on the detection plate is contacted with the working side wall, adjusting the length of the working electric push rod to prevent the lower end of the pressing block from being contacted with the upper end of the transverse plate, and detecting the convex and concave positions of the surface of the workpiece respectively in the rotating process of the workpiece;
4. when the protrusion is detected, the position of the second detection frame is adjusted through the telescopic motion of the connecting electric push rod, so that the second detection frame is positioned in the auxiliary groove, the lower end of the second detection frame does not exceed the lower end of the detection plate, if the protrusion exists on the surface of the workpiece, the protrusion can jack the second detection frame, the sliding plate drives the first detection frame to move upwards, and the pigment at the top end of the first detection frame is smeared on the surface of the rotating column;
5. then, the position of the second detection frame is adjusted through the telescopic motion of the connecting electric push rod, so that the lower end of the second detection frame extends out of the auxiliary groove, and the lower end of the second detection frame does not exceed the lower end face of the sponge;
6. after the surface bulge or recess is detected each time, the worker needs to record the scales indicated by the pointer on the first indicating dial or the second indicating dial, the invention can solve the problems that the surface roundness detection of the shaft workpiece needs to be carried out by a manual hand tool, the working stability is poor, the bulge and recess on the surface of the workpiece cannot be respectively detected, the defect position recording is inaccurate and the like in the existing shaft workpiece surface roundness detection process, and can realize the function of automatically detecting the surface roundness of the shaft workpiece.
Compared with the prior art, the invention has the following advantages:
1. the invention can solve the problems that the roundness detection process of the surface of the existing shaft workpiece needs a manual handheld tool to detect, has poor working stability, can not respectively detect the bulges and the depressions on the surface of the workpiece and has inaccurate defect position record and the like, can realize the function of automatically detecting the roundness of the surface of the shaft workpiece, and has the advantages of no need of manual detection, good working stability, capability of respectively detecting the bulges and the depressions on the surface of the workpiece and accurate defect position record and the like;
2. the invention is provided with the transmission mechanism, can ensure that the scales of the pointer on the first indicating disc and the second indicating disc are the same, and is convenient for accurately recording the defect position so as to correct the position with unqualified roundness of the workpiece;
3. the workpiece clamping mechanism is arranged, so that the workpiece can be fixed, the position of the workpiece cannot change in the subsequent detection process, the stability in the working process is improved, and the accuracy of the detection result is ensured;
4. the invention is provided with the detection mechanism which can respectively detect the bulges and the depressions on the surface of the workpiece so as to repair the defects by using different methods in the later working process, and can accurately record the positions of the defects, thereby saving the time required for repairing the defects later.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the workpiece clamping mechanism of the present invention;
FIG. 3 is a schematic view of a first perspective between the mounting bracket and the transmission mechanism of the present invention;
FIG. 4 is a second perspective view of the present invention between the mounting bracket and the transmission mechanism;
FIG. 5 is a schematic view of a first perspective structure of the detection mechanism of the present invention;
fig. 6 is a schematic diagram of a second three-dimensional structure of the detecting mechanism of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
As shown in fig. 1 to 6, the tool for detecting the surface roundness of the shaft workpiece comprises a bottom plate 1, an installation frame 2, a workpiece clamping mechanism 3, a transmission mechanism 4 and a detection mechanism 5, wherein the installation frame 2 is installed on the bottom plate 1, the transmission mechanism 4 is installed on the side wall of the installation frame 2, the lower end of the transmission mechanism 4 is connected with the workpiece clamping mechanism 3, the detection mechanism 5 is arranged at the upper end of the workpiece clamping mechanism 3, and the detection mechanism 5 is installed on the side wall of the installation frame 2; wherein:
the transmission mechanism 4 comprises a transmission motor 41, a transmission gear 42, a transition gear 43, a driven gear 44, a rotating column 45, a first indicating disc 46, a second indicating disc 47 and a pointer 48, the transmission motor 41 is installed on the side wall of the installation frame 2 through a motor base, an output shaft of the transmission motor 41 is connected with the side wall of the transmission gear 42, the upper end of the transmission gear 42 is meshed with the lower end of the transition gear 43, the transition gear 43 is installed on the side wall of the installation frame 2 through a bearing, the upper end of the transition gear 43 is meshed with the lower end of the driven gear 44, the side wall of the driven gear 44 is connected with one end of the rotating column 45, the rotating column 45 is connected with the side wall of the installation frame 2 through a bearing, the first indicating disc 46 is installed at the other end of the rotating column 45, the pointer 48 is arranged at the lower end of the first indicating disc 46, the pointer 48 is installed, scale marks are uniformly arranged on the first indicating dial 46 and the second indicating dial 47 along the circumferential direction of the first indicating dial and the second indicating dial, and the zero scale marks on the first indicating dial 46 and the zero scale marks on the second indicating dial 47 are arranged in an up-and-down symmetrical mode; after the position of the workpiece is fixed, the transmission motor 41 drives the transmission gear 42 to rotate, and under the transitional action of the transition gear 43, the driven gear 44 and the transmission gear 42 rotate in the same direction, so that the scales of the pointer 48 on the first indicating disc 46 and the second indicating disc 47 are the same, and the position of the unqualified roundness of the workpiece can be corrected conveniently.
The workpiece clamping mechanism 3 comprises two rotating plates 31, an adjusting cylinder 32, an adjusting frame 33, a limiting frame 34, an adjusting electric push rod 35 and a pressing plate 36, wherein the number of the rotating plates 31 is two, the side wall of one rotating plate 31 is connected with the side wall of a transmission gear 42, the other rotating plate 31 is arranged on the side wall of the mounting frame 2 through a bearing, the two rotating plates 31 are symmetrically arranged on the left side and the right side of the mounting frame 2, the inner side of the rotating plate 31 is connected with the bottom end of the adjusting cylinder 32, the top end of the adjusting cylinder 32 is arranged on the side wall of the adjusting frame 33, the adjusting frame 33 is of a circular structure, the limiting frame 34 is arranged in the middle of the adjusting frame 33, the limiting frame 34 is of a hollow cylindrical structure with an opening at one end, limiting holes are uniformly formed in the side wall of the limiting frame 34 along the circumferential direction, the bottom end of the adjusting electric push rod 35 is arranged on the side wall of the adjusting frame 33; a worker puts one end of a workpiece to be detected into the limiting frame 34, adjusts the position of the adjusting frame 33 through the telescopic motion of the adjusting cylinder 32 according to the difference of the actual length of the workpiece, after the position of the adjusting frame 33 is properly adjusted, puts the other end of the workpiece into the other limiting frame 34, drives the pressing plate 36 to linearly move through the telescopic motion of the adjusting electric push rod 35 until the side wall of the pressing plate 36 is attached to the side wall of the workpiece, so that the position of the workpiece cannot be changed in the subsequent detection process, and the accuracy of a detection result is guaranteed.
The detection mechanism 5 comprises guide rails 51, an electric slide block 52, a guide frame 53, a sliding plate 54, a first detection frame 55, an electric push rod 56 for adjusting the length, a detection plate 57, a compression spring 58, a working plate 59, an electric push rod 510 for working, a pressing block 511, a transverse plate 512, an electric push rod 513 for connecting, a second detection frame 514 and an adjusting spring 515, wherein the number of the guide rails 51 is two, the two guide rails 51 are symmetrically arranged on the side wall of the mounting frame 2 in the front-back direction, the electric slide block 52 is arranged between the two guide rails 51 in a sliding fit manner, the upper end of the electric slide block 52 is provided with a round hole, the upper end of the round hole is provided with the guide frame 53, the guide frame 53 is of a hollow cylindrical structure with openings at the upper end and the lower end, the side wall of the guide frame 53 is provided with a guide groove, the sliding plate 54 is arranged in the guide groove, the middle part of the upper end of the sliding plate 54 is provided with a first detection frame 55, the lower end of the sliding plate 54 is provided with a length-adjusting electric push rod 56, the top end of the length-adjusting electric push rod 56 is provided with a detection plate 57, the middle part of the lower end of the detection plate 57 is provided with an auxiliary groove, the front side and the rear side of the lower end of the detection plate 57 are symmetrically provided with sponges, the lower end of the sponges is of a cambered surface structure, the detection plate 57 is provided with two detection holes, the two detection holes are symmetrically arranged in a left-right mode, the side wall of the fixed end of the length-adjusting electric push rod 56 is provided with a working plate 59, the left end and the right end of the working plate 59 are symmetrically provided with working electric push rods 510, the top end of each working electric push rod 510 is provided with, the number of the connecting electric push rods 513 is two, the two connecting electric push rods 513 are arranged in bilateral symmetry, the two connecting electric push rods 513 are respectively located in corresponding detection holes, the top ends of the connecting electric push rods 513 are connected with the upper end of the second detection frame 514, and the top ends of the first detection frame 55 and the second detection frame 514 are coated with pigments; after the electric sliding block 52 moves to a proper position, the length of the length-adjusting electric push rod 56 is adjusted according to the actual diameter of the workpiece to be detected until the lower end of the sponge mounted on the detection plate 57 contacts with the working side wall, and the length of the working electric push rod 510 is adjusted, so that the lower end of the pressing block 511 does not contact with the upper end of the transverse plate 512, the protrusions and the depressions on the surface of the workpiece are respectively detected in the rotating process of the workpiece, when the protrusions exist, the position of the second detection frame 514 is adjusted through the telescopic motion of the connecting electric push rod 513, the second detection frame 514 is located in the auxiliary groove, the lower end of the second detection frame does not exceed the lower end of the detection plate 57, if the protrusions exist on the surface of the workpiece, the protrusions can jack up the second detection frame 514, the sliding plate 54 drives the first detection frame 55 to move upwards, the pigment on the top end of the first detection frame 55, then, the position of the second detection frame 514 is adjusted through the telescopic motion of the connecting electric push rod 513, so that the lower end of the second detection frame 514 extends out of the auxiliary groove and the lower end of the second detection frame does not exceed the lower end surface of the sponge, if the surface of the workpiece is sunken, under the elastic force of the compression spring 58, the sliding plate 54 drives the length-adjusting electric push rod 56 to move downwards, the pressing block 511 at the top end of the working electric push rod 510 mounted at the lower end of the working plate 59 generates pressure on the transverse plate 512, so that the connecting electric push rod 513 is driven to move downwards, so that the second detection frame 514 prints pigments on the corresponding position of the surface of the workpiece, after the bulge or the dent on the surface is detected each time, a worker needs to record the scales indicated by the first indication disc 46 or the second indication disc 47 according to the pointer 48, the bulge and the dent on the surface of the workpiece can be detected respectively, so as to repair the defects, and the position of the defect can be accurately recorded, so that the time for repairing the defect later is saved.
In addition, the invention also provides a shaft workpiece roundness detection method of the shaft workpiece surface roundness detection tool, which comprises the following steps:
1. a worker puts one end of a workpiece to be detected into the limiting frame 34, adjusts the position of the adjusting frame 33 through the telescopic motion of the adjusting cylinder 32 according to the difference of the actual lengths of the workpiece, puts the other end of the workpiece into the other limiting frame 34 after the position of the adjusting frame 33 is properly adjusted, and drives the pressing plate 36 to linearly move through the telescopic motion of the adjusting electric push rod 35 until the side wall of the pressing plate 36 is attached to the side wall of the workpiece, so that the position of the workpiece cannot change in the subsequent detection process;
2. after the position of the workpiece is fixed, the transmission motor 41 drives the transmission gear 42 to rotate, and under the transitional action of the transition gear 43, the driven gear 44 and the transmission gear 42 rotate in the same direction, so that the scales of the pointer 48 on the first indicating dial 46 and the second indicating dial 47 are the same;
3. after the electric sliding block 52 moves to a proper position, the length of the length-adjusting electric push rod 56 is adjusted according to the actual diameter of the workpiece to be detected until the lower end of the sponge mounted on the detection plate 57 is contacted with the working side wall, the length of the working electric push rod 510 is adjusted, the lower end of the pressing block 511 is not contacted with the upper end of the transverse plate 512, and the protrusions and the depressions on the surface of the workpiece are respectively detected in the rotating process of the workpiece;
4. when detecting whether the bulge exists or not, firstly, the position of the second detection frame 514 is adjusted through the telescopic motion of the connecting electric push rod 513, so that the second detection frame 514 is positioned in the auxiliary groove, the lower end of the second detection frame does not exceed the lower end of the detection plate 57, if the bulge exists on the surface of the workpiece, the bulge can jack up the second detection frame 514, the sliding plate 54 drives the first detection frame 55 to move upwards, and the pigment at the top end of the first detection frame 55 is smeared on the surface of the rotating column 45;
5. then, the position of the second detection frame 514 is adjusted through the telescopic motion of the connecting electric push rod 513, so that the lower end of the second detection frame 514 extends out of the auxiliary groove and the lower end of the second detection frame does not exceed the lower end face of the sponge, if the surface of the workpiece is sunken, under the elastic action of the compression spring 58, the sliding plate 54 drives the length-adjusting electric push rod 56 to move downwards, a pressing block 511 at the top end of the working electric push rod 510 mounted at the lower end of the working plate 59 generates pressure on the transverse plate 512, and then the connecting electric push rod 513 is driven to move downwards, so that the second detection frame 514 prints pigments on the corresponding position of the surface of the workpiece;
6. after the surface protrusions or depressions are detected each time, the staff needs to record the scales indicated by the pointer 48 on the first indicating dial 46 or the second indicating dial 47, the problems that in the existing shaft workpiece surface roundness detection process, manual hand tools are needed for detection, the working stability is poor, the protrusions and depressions on the workpiece surface cannot be detected respectively, the defect position recording is inaccurate and the like are solved, the function of automatically detecting the shaft workpiece surface roundness is realized, and the purpose is achieved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides an axle type work piece surface roundness detection instrument, includes bottom plate (1), mounting bracket (2), work piece fixture (3), drive mechanism (4) and detection mechanism (5), its characterized in that: the bottom plate (1) is provided with an installation frame (2), the side wall of the installation frame (2) is provided with a transmission mechanism (4), the lower end of the transmission mechanism (4) is connected with the workpiece clamping mechanism (3), the upper end of the workpiece clamping mechanism (3) is provided with a detection mechanism (5), and the detection mechanism (5) is installed on the side wall of the installation frame (2); wherein:
the transmission mechanism (4) comprises a transmission motor (41), a transmission gear (42), a transition gear (43), a driven gear (44), a rotating column (45), a first indicating disc (46), a second indicating disc (47) and a pointer (48), the transmission motor (41) is installed on the side wall of the installation frame (2) through a motor base, an output shaft of the transmission motor (41) is connected with the side wall of the transmission gear (42), the upper end of the transmission gear (42) is meshed with the lower end of the transition gear (43), the transition gear (43) is installed on the side wall of the installation frame (2) through a bearing, the upper end of the transition gear (43) is meshed with the lower end of the driven gear (44), the side wall of the driven gear (44) is connected with one end of the rotating column (45), the rotating column (45) is connected with the side wall of the installation frame (2) through a bearing, the other end, a pointer (48) is arranged at the lower end of the first indicating disc (46), the pointer (48) is installed on the side wall of the installation frame (2), a second indicating disc (47) is arranged at the lower end of the pointer (48), and the second indicating disc (47) is installed on the side wall of the installation frame (2) through a bearing;
the detection mechanism (5) comprises guide rails (51), electric sliding blocks (52), guide frames (53), sliding plates (54), a first detection frame (55), length adjusting electric push rods (56), a detection plate (57), a compression spring (58), a working plate (59), working electric push rods (510), a pressing block (511), a transverse plate (512), a connecting electric push rod (513), a second detection frame (514) and an adjusting spring (515), wherein the number of the guide rails (51) is two, the two guide rails (51) are symmetrically arranged on the side wall of the mounting frame (2) in the front-back direction, the electric sliding blocks (52) are arranged between the two guide rails (51) in a sliding fit manner, the upper ends of the electric sliding blocks (52) are provided with round holes, the upper ends of the round holes are provided with the guide frames (53), the guide frames (53) are of hollow cylindrical structures with openings at the upper and lower ends, the side walls of the guide, a sliding plate (54) is installed in the guide groove in a sliding fit mode, the upper end of the sliding plate (54) is connected with one end of a compression spring (58), the other end of the compression spring (58) is installed on the side wall of the guide frame (53), a first detection frame (55) is installed in the middle of the upper end of the sliding plate (54), a length-adjusting electric push rod (56) is installed at the lower end of the sliding plate (54), a detection plate (57) is installed at the top end of the length-adjusting electric push rod (56), an auxiliary groove is formed in the middle of the lower end of the detection plate (57), two detection holes are formed in the detection plate (57), the two detection holes are arranged in a bilateral symmetry mode, a working plate (59) is installed on the side wall of the fixed end of the length-adjusting electric push rod (56), working electric push rods (510) are symmetrically installed at the, a through hole is formed in the middle of the transverse plate (512), the upper end of the transverse plate (512) is connected with one end of an adjusting spring (515), the other end of the adjusting spring (515) is installed at the lower end of the electric slider (52), a connecting electric push rod (513) is installed at the lower end of the transverse plate (512), the number of the connecting electric push rods (513) is two, the two connecting electric push rods (513) are symmetrically arranged in the left and right direction, the two connecting electric push rods (513) are respectively located in corresponding detection holes, and the top end of the connecting electric push rod (513) is connected with the upper end of a second;
the first indicating dial (46) and the second indicating dial (47) are uniformly provided with scale marks along the circumferential direction, and the zero scale marks on the first indicating dial (46) and the zero scale marks on the second indicating dial (47) are arranged in an up-and-down symmetrical mode.
2. The tool for detecting the surface roundness of the shaft workpiece according to claim 1, wherein: the workpiece clamping mechanism (3) comprises two rotating plates (31), an adjusting cylinder (32), an adjusting frame (33), a limiting frame (34), an adjusting electric push rod (35) and a pressing plate (36), wherein the number of the rotating plates (31) is two, the side wall of one rotating plate (31) is connected with the side wall of a transmission gear (42), the other rotating plate (31) is arranged on the side wall of the mounting frame (2) through a bearing, the two rotating plates (31) are symmetrically arranged on the left side and the right side of the mounting frame (2), the inner side of the rotating plate (31) is connected with the bottom end of the adjusting cylinder (32), the top end of the adjusting cylinder (32) is arranged on the side wall of the adjusting frame (33), the adjusting frame (33) is of a circular structure, the limiting frame (34) is arranged in the middle of the adjusting frame (33), the limiting frame (34) is of a hollow cylindrical structure with an opening at one end, and, an adjusting electric push rod (35) is arranged in the limiting hole, a pressing plate (36) is installed at the top end of the adjusting electric push rod (35), the pressing plate (36) is of a cambered surface structure, and the bottom end of the adjusting electric push rod (35) is installed on the side wall of the adjusting frame (33).
3. The tool for detecting the surface roundness of the shaft workpiece according to claim 1, wherein: sponges are symmetrically arranged on the front side and the rear side of the lower end of the detection plate (57), and the lower end of each sponge is of an arc-surface structure.
4. The tool for detecting the surface roundness of the shaft workpiece according to claim 1, wherein: the top ends of the first detection frame (55) and the second detection frame (514) are coated with pigments.
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| CN201811200107.5A CN109323644B (en) | 2018-10-16 | 2018-10-16 | Shaft workpiece surface roundness detection tool and shaft workpiece roundness detection method |
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| CN201811200107.5A CN109323644B (en) | 2018-10-16 | 2018-10-16 | Shaft workpiece surface roundness detection tool and shaft workpiece roundness detection method |
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| CN110068260B (en) * | 2019-06-03 | 2020-09-29 | 上海铜正技术服务中心(有限合伙) | A device for detecting concentricity of motor output shaft |
| CN111006570A (en) * | 2019-12-10 | 2020-04-14 | 上海铭钰能源科技股份有限公司 | Automatic monitoring device is used in aluminum alloy piston production |
| CN111678420B (en) * | 2020-06-22 | 2022-01-07 | 温岭市福荣齿轮有限公司 | System and method for rapidly detecting concentricity of gear shaft |
| CN114061508B (en) * | 2021-11-16 | 2024-02-06 | 苏州立德麦自动化有限公司 | Automobile steering wheel rotating shaft detection equipment |
| CN114636392B (en) * | 2022-03-14 | 2024-07-02 | 重庆涵村机械制造有限公司 | Roundness detection machine based on shaft workpiece |
| CN116487114B (en) * | 2023-06-19 | 2023-08-29 | 成都四威科技股份有限公司 | Cable surface defect detection and repair device and detection and repair method thereof |
| CN118179978B (en) * | 2024-05-17 | 2024-09-13 | 江苏圣欣不锈钢制品有限公司 | Stainless steel pipe defect detection sorting machine |
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