CN-121655448-B - Roundness detection device for columnar steel material

Abstract

The invention relates to the field of roundness detection, in particular to a columnar steel material roundness detection device which comprises a support plate, wherein the support plate provides a support foundation for the whole device, a vertical rail is fixedly arranged at the top of the support plate and extends along the vertical direction, a first motor is fixedly arranged at the top of the vertical rail, a first threaded rod is fixedly connected with the output end of the first motor through a coupler, the first threaded rod is arranged along the length direction of the vertical rail, two ends of the first threaded rod are rotatably arranged in the vertical rail through bearings and are driven to rotate by the first motor, a sliding frame is in threaded connection with the outer side of the first threaded rod, the sliding frame is driven to lift along the vertical rail when the first threaded rod rotates, a translation table can horizontally move along the inner wall of the sliding frame, and the columnar steel material roundness detection device can accurately identify flatness deviation through closed loop feedback formed by matching of two groups of symmetrical laser components and laser beam collineation judgment.

Inventors

• LIANG JINLONG
• ZHOU TAO

Assignees

• 重庆北特科技有限公司

Dates

Publication Date

20260512

Application Date

20260204

Claims (6)

1. 1. The utility model provides a column steel material circularity detection device which characterized in that includes: The support plate provides a support foundation for the whole device; the top of the supporting plate is fixedly provided with a vertical rail which extends along the vertical direction, the top of the vertical rail is fixedly provided with a first motor, the output end of the first motor is fixedly connected with a first threaded rod through a coupler, the first threaded rod is arranged along the length direction of the vertical rail, and the two ends of the first threaded rod are rotatably arranged in the vertical rail through bearings and are driven to rotate by the first motor; The sliding frame is in threaded connection with the outer side of the first threaded rod, and drives the sliding frame to lift along the vertical rail when the first threaded rod rotates; the measuring head assembly is arranged at one end of the translation table far away from the sliding frame and consists of a measuring head, a measuring rod and a sensor, wherein the measuring head is contacted with the outer wall of the columnar steel material and is used for acquiring roundness data, and the sensor converts a contact signal into an electric signal; The following mechanism is arranged on the translation table and is used for carrying out cutter following support on the long-size columnar steel material and ensuring the stability of the material in the detection process; The limiting mechanism is arranged on the supporting plate and used for radially limiting the columnar steel material and realizing leveling detection of the bottom end of the columnar steel material; When the device works, the first motor drives the first threaded rod to rotate, the detection height of the measuring head assembly is adjusted through the lifting of the sliding frame, and the detection distance between the measuring head assembly and the outer wall of the columnar steel material is controlled through the horizontal movement of the translation table; The limiting mechanism comprises a protective shell, wherein the protective shell is fixedly arranged at the top of the supporting plate and used for protecting internal components, a second motor is fixedly arranged in the protective shell, a rotating table is fixedly arranged outside the output end of the second motor, and a bottom flat component is arranged in the rotating table and used for leveling detection of the bottom end of a columnar steel material; The bottom flat assembly comprises a first rail, the first rail is fixedly arranged at the bottom of the inner cavity of the rotating table, a second rail is fixedly arranged at the top of the first rail, a plugboard is slidably matched in the second rail, an elastic piece is fixedly connected to the bottom of the plugboard, and the elastic piece is fixedly arranged in the second rail; The bottom of the plugboard is fixedly provided with a pneumatic rod, the top of the output end of the pneumatic rod is fixedly connected with a jogging plate, the top of the plugboard is respectively provided with a strip groove and a square groove, and the inner wall of the square groove is in sliding fit with the jogging plate; an extension bar is fixedly connected to the outer side of the embedded plate, and the extension bar is embedded and matched with the strip groove; The bottom of the embedded plate is fixedly connected with a bottom connecting rod, the bottom connecting rod penetrates through the bottom of the second rail and extends to the inside of the first rail, the bottom end of the bottom connecting rod is fixedly connected with a moving block, and the outer side of the moving block is fixedly provided with a laser component for detecting the flatness of the bottom end of the columnar steel material; the top of the inner cavity of the rotating table is fixedly provided with a first reflecting chamber and a second reflecting chamber respectively, and reflectors are fixedly connected inside the first reflecting chamber and the second reflecting chamber.
2. 2. The roundness detection device for the columnar steel material according to claim 1, wherein the following mechanism comprises an electric push rod, the electric push rod is fixedly arranged at the top of the translation table, the output end of the electric push rod stretches out and draws back along the vertical direction, the output end of the top of the electric push rod is fixedly connected with a connecting rod through a plate, the electric push rod synchronously ascends and descends along with the electric push rod, the bottom end of the connecting rod is fixedly provided with a following frame, the following frame is of a semi-surrounding structure, and the following frame is semi-wrapped on the outer wall of the columnar steel material to realize cutter following support.
3. 3. The roundness detection device for the columnar steel material according to claim 2, wherein a through groove is formed in the outer wall of the following frame, an inner thread sleeve is fixedly arranged in the through groove, a second threaded rod is connected with the inner thread of the inner thread sleeve, the extending length is adjusted through rotation, a deep groove ball bearing is rotatably matched with the outer end face of the second threaded rod, and a rubber head is fixedly connected to the outer side of the deep groove ball bearing; The rubber head is in sliding fit with the outer wall of the columnar steel material, the fitting degree of the rubber head and the outer wall of the material is adjusted through rotating the second threaded rod, and the stability of the follow-up cutter is enhanced.
4. 4. The roundness detection device for the columnar steel material according to claim 1, wherein a fixed disc is fixedly arranged in the rotating table, a fixed rail is fixedly arranged at the top of the fixed disc, a straight-opening groove is formed in the fixed rail, a first hinge rod is slidably matched in the straight-opening groove, the first hinge rod slides along the straight-opening groove to adjust the position, and a curved handle is rotatably arranged at the top of the first hinge rod and used for manually adjusting the position of the first hinge rod.
5. 5. The roundness detection device for the columnar steel material of claim 4, wherein a turntable is rotatably arranged at the top of the fixed disc, the top of the turntable is rotatably connected with the bottom of the fixed rail, a second hinging rod is rotatably arranged at the top of the turntable, a round handle is rotatably arranged at the outer side of the second hinging rod, and the outer side of the round handle is fixedly connected with the crank; the second hinging rod is driven to rotate through the rotating crank, and the first hinging rod is linked to move.
6. 6. The roundness detection device for the columnar steel material of claim 5, wherein a connecting block is fixedly arranged at the top of the turntable, a lantern ring is fixedly connected to the top of the connecting block, the lantern ring is rotationally connected with the second hinging rod and used for assisting the second hinging rod to flexibly swing, and a first gear is fixedly connected to the outer side of the lantern ring; the outside fixedly connected with frame of fixed disk, the top fixed mounting of frame has No. three motors, no. two gears of outside fixedly connected with of No. three motor output, no. two the outside of gear with No. one gear meshing transmission.

Description

Roundness detection device for columnar steel material Technical Field The invention relates to the technical field of roundness detection, in particular to a roundness detection device for columnar steel materials. Background The columnar steel material (such as round steel) is used as a core basic component in the fields of machine manufacturing, constructional engineering, automobile industry and the like, and the bottom planeness and the full-length roundness of the columnar steel material are key geometric parameters affecting the assembly precision, the bearing stability and the service life. For long round steel, the existing equipment has no special supporting structure, materials are bent due to dead weight, roundness errors are amplified when the bent materials are detected, flatness detection can be biased due to end sagging, part of equipment is supported by a simple support, the support is fixed in height and cannot be suitable for materials with different diameters, and supporting points are easy to scratch the surfaces of the materials. Disclosure of Invention The invention provides a roundness detection device for columnar steel materials, which solves the problems in the prior art. The invention provides a roundness detection device for columnar steel materials, which comprises a support plate, wherein the support plate provides a support foundation for the whole device, a vertical rail is fixedly arranged at the top of the support plate and extends along the vertical direction, a first motor is fixedly arranged at the top of the vertical rail, the output end of the first motor is fixedly connected with a first threaded rod through a coupler, the first threaded rod is arranged along the length direction of the vertical rail, and two ends of the first threaded rod are rotatably arranged in the vertical rail through bearings and are driven to rotate by the first motor; The sliding frame is in threaded connection with the outer side of the first threaded rod, and drives the sliding frame to lift along the vertical rail when the first threaded rod rotates; the measuring head assembly is arranged at one end of the translation table far away from the sliding frame and consists of a measuring head, a measuring rod and a sensor, wherein the measuring head is contacted with the outer wall of the columnar steel material and is used for acquiring roundness data, and the sensor converts a contact signal into an electric signal; The following mechanism is arranged on the translation table and is used for carrying out cutter following support on the long-size columnar steel material and ensuring the stability of the material in the detection process; The limiting mechanism is arranged on the supporting plate and used for radially limiting the columnar steel material and realizing leveling detection of the bottom end of the columnar steel material; During operation, the first motor drives the first threaded rod to rotate, the detection height of the measuring head assembly is adjusted through the lifting of the sliding frame, and the detection distance between the measuring head assembly and the outer wall of the columnar steel material is controlled through the horizontal movement of the translation table. Preferably, the following mechanism comprises an electric push rod, the electric push rod is fixedly mounted at the top of the translation table, the output end of the electric push rod stretches out and draws back along the vertical direction, the output end of the top of the electric push rod is fixedly connected with a connecting rod through a plate, the electric push rod synchronously goes up and down along with the electric push rod, a following frame is fixedly mounted at the bottom end of the connecting rod, the following frame is of a semi-surrounding structure, is semi-wrapped on the outer wall of a columnar steel material, and realizes cutter following support. Preferably, a through groove is formed in the outer wall of the following frame, an internal thread sleeve is fixedly arranged in the through groove, a second threaded rod is connected with the internal thread of the internal thread sleeve, the extending length is adjusted through rotation, a deep groove ball bearing is rotatably matched with the outer end face of the second threaded rod, and a rubber head is fixedly connected to the outer side of the deep groove ball bearing; The rubber head is in sliding fit with the outer wall of the columnar steel material, the fitting degree of the rubber head and the outer wall of the material is adjusted through rotating the second threaded rod, and the stability of the follow-up cutter is enhanced. Preferably, the stop gear includes the protective housing, protective housing fixed mounting in the top of backup pad for protection inner part, the inside fixed mounting of protective housing has No. two motors, no. two motor's output outside fixed mounting has the rolling table, the inside of rolli