CN115507760B - Tubular product external diameter caliber of multiplicable accuracy - Google Patents
Tubular product external diameter caliber of multiplicable accuracy Download PDFInfo
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- CN115507760B CN115507760B CN202211465014.1A CN202211465014A CN115507760B CN 115507760 B CN115507760 B CN 115507760B CN 202211465014 A CN202211465014 A CN 202211465014A CN 115507760 B CN115507760 B CN 115507760B
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- 230000007246 mechanism Effects 0.000 claims abstract description 69
- 238000001125 extrusion Methods 0.000 claims abstract description 58
- 230000000399 orthopedic effect Effects 0.000 claims abstract description 20
- 238000005259 measurement Methods 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims description 76
- 238000007790 scraping Methods 0.000 claims description 17
- 238000012360 testing method Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000001737 promoting effect Effects 0.000 abstract 1
- 239000013307 optical fiber Substances 0.000 description 11
- 238000001514 detection method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000691 measurement method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
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Abstract
The invention relates to a pipe diameter measuring technology, in particular to a pipe outer diameter measurer capable of increasing accuracy. The invention provides a pipe outer diameter measurer capable of increasing accuracy when measuring the outer diameter of a skew deformed pipe. The utility model provides a tubular product external diameter caliber of multiplicable accuracy, includes base and support frame, and the support frame is installed at the base top, still including orthopedic mechanism and measuring mechanism, the middle part is equipped with the orthopedic mechanism who is used for correcting crooked deformation tubular product in the support frame, and the support frame left side is equipped with the measuring mechanism who is used for the accurate measurement by orthopedic tubular product external diameter. Through promoting the extrusion frame leftwards, the extrusion frame extrusion is propped open the frame and is outwards slided in step along the guide frame, props open the frame and struts tubular product in step for the tubular product of deformation is corrected, avoids laser diameter measuring appearance direct measurement tubular product, and the external diameter measured data that leads to tubular product is accurate inadequately.
Description
Technical Field
The invention relates to a pipe diameter measuring technology, in particular to a pipe outer diameter measurer capable of increasing accuracy.
Background
The pipe is widely applied to the building industry and the chemical industry, and the pipe products need to measure the outer diameter in real time, for example, two pipes with the same diameter are butted to prolong a pipeline, and then, for example, a large-diameter seamless pipe is obtained through a pipeline expanding technology, and the outer diameter value of the pipe needs to be measured accurately under the conditions.
At present, common contact and non-contact detection methods for measuring the outer diameter of a pipe comprise a vernier caliper measurement method, a contour measurement method, a CCD dimension measurement technology and the like, and a patent with the publication number of CN114199145A discloses an expanded diameter pipe diameter and roundness detection device based on distributed optical fiber sensing, which comprises a rack, a lifting base arranged at the bottom of the rack, a detection device arranged in the rack and a detected pipe arranged in the rack; the detection device comprises a driving screw rod module mechanism, a driven screw rod module mechanism, a transmission mechanism, a first optical fiber line receiving and transmitting mechanism and a second optical fiber line receiving and transmitting mechanism; the driving screw rod module mechanism and the driven screw rod module mechanism are respectively arranged at the top and the bottom of the rack; the transmission mechanism is respectively in transmission connection with the driving screw rod module mechanism and the driven screw rod module mechanism. The first optical fiber line and the second optical fiber line move inwards to be attached to the outer wall of the pipeline to be tested, and the computer analyzes the signal change conditions received by the first optical fiber line receiving end and the second optical fiber line receiving end to obtain the strain data of the first optical fiber line and the second optical fiber line and obtain the shape data of the attached surface of the pipeline to be tested and the first optical fiber line and the second optical fiber line.
The traditional method and the cited patent are difficult to intuitively control the diameter position of the pipe when measuring the outer diameter of the pipe, and cannot avoid the influence of the deformation of the pipe on the measurement accuracy of the outer diameter.
Disclosure of Invention
In order to overcome the defect that the outer diameter of a skew deformed pipe cannot be accurately measured by the conventional pipe outer diameter measuring method, the invention provides the pipe outer diameter measurer capable of increasing the accuracy when the outer diameter of the skew deformed pipe is measured.
The utility model provides a multiplicable accuracy's tubular product external diameter caliber, including base and support frame, the support frame is installed at the base top, still including orthopedic mechanism and measuring mechanism, the middle part is equipped with the orthopedic mechanism who is used for correcting crooked deformation tubular product in the support frame, orthopedic mechanism is including the guide frame, the opening frame, orthopedic spring and extrusion subassembly, the middle part is connected with the guide frame in the support frame, circumference evenly sliding type is connected with the opening frame on the guide frame, when opening frame all penetrates a mouth of pipe of tubular product, opening frame outer wall and tubular product inner wall contact, the opening frame extrudees the tubular product inner wall when outwards sliding, correct the tubular product of deformation, opening frame all is connected with two piece at least orthopedic spring with between the guide frame inner wall, orthopedic spring all winds on the opening frame, orthopedic spring coefficient of stiffness is the same, and the opening frame inboard position equals with the distance between the guide frame inner wall, the support frame right side is equipped with the extrusion subassembly, the support frame left side is equipped with the measuring mechanism that is used for accurate directly perceived external diameter value of measuring by orthopedic tubular product, measuring mechanism passes through the mode of laser.
Furthermore, extrusion frame and return spring constitute the extrusion subassembly, the support frame right side sliding type is connected with the extrusion frame, the extrusion frame left part sets up to horizontal round platform, it sets up to the inclined plane of below left side to prop open the frame right flank, the round platform side of extrusion frame left part and the contact of propping open the frame right flank, the extrusion frame slides left and extrudees the frame and outwards slides for correct in step to tubular product, the extrusion frame right part is around having return spring, both ends are connected with support frame and extrusion frame respectively about the return spring.
Further, a linear motor, rolling rods, a laser diameter measuring instrument, a testing spring, an auxiliary rolling ball and a guide rod form a measuring mechanism, the linear motor is symmetrically arranged on the front side and the rear side of the top of the left side of the support frame, the rolling rods are arranged between the linear motors in a sliding manner, a strip-shaped groove is formed in the left side of the top of the support frame, the rolling rods slide up and down and slide left and right in the strip-shaped groove, the guide rod is connected to the left side of the upper portion of the support frame, a laser transmitter and a laser receiver of the laser diameter measuring instrument are respectively arranged on the front side and the rear side of the guide rod in a sliding manner, the laser transmitter and the laser receiver are both connected with the rolling rods in a sliding manner, the laser transmitter is processed into parallel light through a group of lenses, the pipe blocks the light beam, a signal is generated on the laser receiver, and is transmitted to a special computer processor through a photoelectric sensor, reading out the outer diameter parameter of the measured pipe, winding test springs around the front part and the rear part of the guide rod, respectively connecting the inner end and the outer end of each test spring with the laser diameter gauge and the inner wall of the support frame, rotatably mounting auxiliary rolling balls on the front side and the rear side of the bottom of the rolling rod, contacting the upper outer wall of the pipe, and in the process that the auxiliary rolling balls roll downwards along the outer wall of the pipe, along with the gradual increase of the diameter between the front side and the rear side of the pipe, the auxiliary rolling balls drive the rolling rods to slide outwards along the strip-shaped grooves of the support frame and the guide rod, compressing the test springs, when the diameter between the front side and the rear side of the pipe is increased to the maximum and is kept unchanged, enabling the rolling rods not to slide outwards, setting the distance between the laser transmitter and the laser receiver of the laser diameter gauge as the outer diameter of the pipe, and starting the laser diameter gauge to measure the outer diameter of the orthopedic pipe.
Further, still including the mechanism of striking off that is used for striking off tubular product outer wall spot, the scraper blade, torsion spring and volute spiral spring constitute and strike off the mechanism, the rotary type is connected with the scraper blade that is used for striking off tubular product outer wall spot between the supplementary rolling ball left and right sides, the scraper blade is inwards swung and is contacted with tubular product upper portion outer wall, be connected with torsion spring between scraper blade left and right sides both and the rolling rod, be connected with volute spiral spring between scraper blade left and right sides both and the supplementary rolling ball, volute spiral spring is located the torsion spring outside, when supplementary rolling ball rolls down along the tubular product outer wall, supplementary rolling ball is rotatory to make volute spiral spring deformation accumulate power, volute spiral spring holds power and drives the scraper blade rotation, torsion spring deformation, when the scraper blade is rotatory to contacting with the tubular product outer wall, in supplementary rolling ball continues roll process downwards, the tubular product outer wall is hugged closely always to the scraper blade, volute spiral spring lasts and is in deformation and accumulates the power state.
Further, still including the auxiliary stay mechanism who is used for the auxiliary stay tubular product, backup pad and supporting spring constitute auxiliary stay mechanism, and base top left side slidingtype is connected with the backup pad that is used for the auxiliary stay tubular product, and the backup pad is located the below of downside expanding frame, and the backup pad left and right sides all has around supporting spring, and both ends are connected with base and backup pad respectively about supporting spring.
Further, still including being used for continuing orthopedic clamping mechanism to tubular product, the locating lever, positioning spring and locating frame constitute clamping mechanism, support frame right side inner wall slidingtype connection has the locating lever, the locating lever bottom sets up the inclined plane of below slope to the left side, extrusion frame right side top is connected with the fixture block, the locating lever bottom is opened there is the draw-in groove, when the fixture block card advances in the draw-in groove, return spring is compressed, the state of extrusion expanding frame is maintained to the extrusion frame, expanding frame continues to orthopedic to tubular product, the locating lever top is connected with the locating frame, the shape of locating frame is the rectangle, the locating frame left side passes the roll bar front and back both sides, roll bar upward movement and locating frame contact, and drive locating frame upward movement, the draw-in groove that the locating frame drove the locating lever upwards breaks away from the fixture block, return spring resets and drives the extrusion frame and slides right, the locating lever lower part is around there being positioning spring, positioning spring's upper and lower both ends are connected with support frame and locating lever respectively.
Furthermore, the device also comprises a positioning plate and a supporting rod, wherein the middle part of the extrusion frame is connected with the positioning plate, the bottom of the positioning plate is connected with the supporting rod, the supporting rod is connected with the right side of the supporting frame in a sliding manner, and the positioning plate and the supporting rod are used for assisting in supporting the extrusion frame.
The invention has the following beneficial effects:
1. the extrusion frame is pushed leftwards, the extrusion frame extrudes the opening frame to synchronously slide outwards along the guide frame, and the opening frame synchronously opens the pipe, so that the deformed pipe is corrected, and the phenomenon that the outer diameter measurement data of the pipe is not accurate enough because the pipe is directly measured by a laser diameter measuring instrument is avoided;
2. when the rolling rod is observed not to slide outwards along the strip-shaped groove in the downward movement process, the distance between the laser transmitter and the laser receiver of the laser diameter gauge is the length of the outer diameter of the pipe, so that the outer diameter of the pipe can be conveniently and accurately measured;
3. under the action of the torsion spring and the volute spiral spring, when the auxiliary rolling ball rolls along the outer wall of the pipe from top to bottom, the scraper can be always attached to the outer wall of the pipe, and stains on the outer wall of the pipe are scraped.
4. When the pipe is sleeved between the opening frames, the supporting plate plays a role in auxiliary supporting for the bottom of the pipe, and the supporting spring plays a role in buffering;
5. when the clamping block is clamped into the clamping groove, the extrusion frame is fixed, so that the extrusion frame does not need to be pushed all the way when the outer diameter value is measured, the measuring time is prolonged, the data measured by the laser diameter measuring instrument is stable and reliable, and the accuracy of measuring the outer diameter value is further improved;
6. through the setting of locating plate and bracing piece, the gliding stability of increase extrusion frame on the support frame.
Drawings
Fig. 1 is a schematic view of a first perspective structure according to the present invention.
Fig. 2 is a schematic perspective view of a second perspective structure according to the present invention.
Fig. 3 is a first perspective view of the orthopedic mechanism of the present invention.
Fig. 4 is a perspective view of a second embodiment of the orthopedic mechanism of the present invention.
Fig. 5 is a schematic perspective view of the measuring mechanism of the present invention.
Fig. 6 is a perspective view of the scraping mechanism of the present invention.
Fig. 7 is a partial perspective view of the scraping mechanism of the present invention.
Fig. 8 is a schematic perspective view of the auxiliary supporting mechanism of the present invention.
Fig. 9 is a schematic perspective view of the locking mechanism of the present invention.
Fig. 10 is a schematic perspective view of the supporting frame, the pressing frame, the positioning plate and the supporting rod according to the present invention.
In the above drawings: 1: base, 2: support frame, 3: orthopedic mechanism, 31: guide frame, 32: spreader, 33: orthopedic spring, 34: extrusion frame, 35: return spring, 4: measurement mechanism, 41: linear motor, 42: roll lever, 43: laser caliper, 44: test spring, 45: auxiliary rolling ball, 46: guide rod, 5: scraping mechanism, 51: blade, 52: torsion spring, 53: scroll spring, 6: auxiliary support mechanism, 61: support plate, 62: support spring, 7: detent mechanism, 71: positioning rod, 72: positioning spring, 73: positioning frame, 8: positioning plate, 9: a support rod.
Detailed Description
The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which presently preferred embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for completeness and fully convey the scope of the invention to the skilled person.
Example 1
A pipe outer diameter measuring device capable of increasing accuracy is disclosed, as shown in figures 1 and 2, because the pipe outer diameter measuring device comprises a base 1, a supporting frame 2, an correcting mechanism 3 and a measuring mechanism 4, the supporting frame 2 is installed at the top of the base 1 through bolts, the correcting mechanism 3 is arranged in the middle of the supporting frame 2, the correcting mechanism 3 is used for correcting a pipe which is inclined and deformed, the measuring mechanism 4 is arranged on the left side of the supporting frame 2, and the measuring mechanism 4 is used for accurately and visually measuring the outer diameter of the corrected pipe.
As shown in fig. 1, 2, 3 and 4, the straightening mechanism 3 includes a guide frame 31, an opening frame 32, straightening springs 33, an extrusion frame 34 and a return spring 35, the guide frame 31 is connected to the middle portion of the support frame 2 through a mortise and tenon, the opening frame 32 is uniformly and slidably connected to the guide frame 31 in the circumferential direction, the right side surface of the opening frame 32 is provided with an inclined surface inclined to the lower left, two straightening springs 33 are connected between the opening frame 32 and the inner wall of the guide frame 31, the straightening springs 33 are wound on the opening frame 32, the distances between the inner side portion of the opening frame 32 and the inner wall of the guide frame 31 are equal, the stiffness coefficients of the straightening springs 33 are the same, the extrusion frame 34 is slidably connected to the right side of the support frame 2, the left portion of the extrusion frame 34 is provided with a horizontal circular table, the side surface of the left portion of the extrusion frame 34 is in contact with the right side surface of the opening frame 32, the return spring 35 is wound on the right portion of the extrusion frame 34, and the left and right ends of the return spring 35 are respectively connected to the support frame 2 and the extrusion frame 34.
As shown in fig. 1, 2, 5 and 6, the measuring mechanism 4 includes a linear motor 41, rolling rods 42, a laser diameter measuring instrument 43, a testing spring 44, two auxiliary rolling balls 45 and a guide rod 46, the linear motor 41 is provided in two numbers, the linear motor 41 is symmetrically installed on the front and rear sides of the left top of the support frame 2 through screws, the rolling rods 42 are slidably installed between the linear motors 41, the left top of the support frame 2 is provided with a strip-shaped groove, the rolling rods 42 slide up and down and left and right in the strip-shaped groove, the guide rod 46 is welded on the left upper portion of the support frame 2, the laser emitter and the laser receiver of the laser diameter measuring instrument 43 are slidably installed on the front and rear sides of the guide rod 46, the laser emitter and the laser receiver are slidably connected with the rolling rods 42, the testing spring 44 is wound around the front and rear sides of the guide rod 46, the inner and outer ends of the testing spring 44 are respectively connected with the inner walls of the laser diameter measuring instrument 43 and the support frame 2, the auxiliary rolling balls 45 are provided in two numbers, the two auxiliary rolling balls 45 are respectively installed on the front and rear sides of the bottom of the rolling rods 42 through bearings, and the auxiliary rolling balls 45 are in contact with the outer wall of the tube.
Therefore, when people need to measure the outer diameter of a skew deformed pipe, the pipe outer diameter measuring device capable of increasing the accuracy can be used, firstly, the opening frame 32 is enabled to completely penetrate into a pipe orifice of the pipe, the outer wall of the opening frame 32 is in contact with the inner wall of the pipe, so that the pipe is sleeved between the opening frames 32, then the extrusion frame 34 is pushed leftwards, the return spring 35 is compressed, the extrusion frame 34 extrudes the opening frame 32 to synchronously slide outwards along the guide frame 31, the shape-righting spring 33 is compressed, the opening frame 32 synchronously opens the pipe, the deformed pipe is corrected, then the linear motor 41 is started, the linear motor 41 is controlled to drive the rolling rod 42 to downwards move along the strip-shaped groove of the support frame 2 and the laser diameter measuring instrument 43, the rolling rod 42 drives the auxiliary rolling ball 45 to downwards roll on the outer wall of the upper part of the pipe, and in the downwards rolling process, the diameter between the front part and the back part of the pipe is gradually increased, the auxiliary rolling ball 45 drives the rolling rod 42 to slide outwards along the strip groove of the support frame 2 and the guide rod 46, the test spring 44 is compressed, when the radial length between the front and the back of the pipe is increased to the maximum and keeps unchanged, the rolling rod 42 is observed not to slide outwards at this time, the laser emitter of the laser diameter measuring instrument 43 is started to emit laser, the laser is processed into parallel light through a group of lenses, the pipe blocks light beams, signals are generated on the laser receiver of the laser diameter measuring instrument 43 and are transmitted to the special computer processor through the photoelectric sensor, diameter parameters of the measured pipe outer diameter are read out, so that the accuracy of measuring the skew deformed pipe outer diameter is improved, after the measurement is completed, the laser diameter measuring instrument 43 is closed, the linear motor 41 is controlled to drive the rolling rod 42 to move upwards along the strip groove of the support frame 2 and the laser diameter measuring instrument 43, the rolling rod 42 drives the auxiliary rolling ball 45 to move upwards, when the extrusion frame 34 is released, the return spring 35 resets to drive the extrusion frame 34 to slide rightwards, the extrusion frame 34 releases the opening frame 32, the orthopedic spring 33 resets to drive the opening frame 32 to synchronously slide inwards along the guide frame 31, the opening frame 32 is separated from the inner wall of the pipe, so that the pipe is taken down from the opening frame 32, the auxiliary rolling ball 45 is not in contact with the pipe, the test spring 44 resets to drive the rolling rod 42 to slide inwards along the strip-shaped groove of the support frame 2 and the guide rod 46 to reset, and finally the linear motor 41 is closed.
Example 2
Based on embodiment 1, as shown in fig. 1, 2, 6 and 7, since the scraping device 5 is further included, the scraping device 5 includes a scraper 51, a torsion spring 52 and a spiral spring 53, the scraper 51 is rotatably connected between the left side and the right side of the auxiliary rolling ball 45, initially, the scraper 51 swings outwards, the torsion spring 52 is connected between the left side and the right side of the scraper 51 and the rolling rod 42, the spiral spring 53 is connected between the left side and the right side of the scraper 51 and the auxiliary rolling ball 45, and the spiral spring 53 is located outside the torsion spring 52. So when rolling rod 42 moves down makes supplementary rolling ball 45 and tubular product outer wall contact, have frictional force between supplementary rolling ball 45 and the tubular product outer wall, make supplementary rolling ball 45 take place to rotate, supplementary rolling ball 45 is rotatory to make spiral spring 53 deformation accumulate power, spiral spring 53 accumulates power and drives scraper blade 51 rotatory, scraper blade 51 is rotatory to make torsion spring 52 deformation, when scraper blade 51 is rotatory to contact with the tubular product outer wall, scraper blade 51 can hug closely the tubular product outer wall always, scrape off the spot of tubular product outer wall, supplementary rolling ball 45 continues rotatory this moment, supplementary rolling ball 45 continues to rotate and makes spiral spring 53 continue to be in deformation and accumulate the power state, when supplementary rolling ball 45 moves to and breaks away from with the tubular product outer wall, torsion spring 52 resets and drives scraper blade 51 and resets, spiral spring 53 resets and will drive supplementary rolling ball 45 rotatory reset.
As shown in fig. 1, fig. 2 and fig. 8, because the auxiliary supporting mechanism 6 is further included, the auxiliary supporting mechanism 6 includes a supporting plate 61 and two supporting springs 62, the supporting plate 61 is slidably connected to the left side of the top of the base 1, the supporting plate 61 is located below the lowermost unfolding frame 32, the number of the supporting springs 62 is two, the supporting springs 62 are respectively wound on the left and right sides of the supporting plate 61, and the upper and lower ends of the supporting springs 62 are respectively connected to the base 1 and the supporting plate 61. When the tube is sleeved between the expanding frames 32, the supporting plate 61 plays a role of auxiliary support for the bottom of the tube, and the supporting spring 62 plays a role of buffer.
As shown in fig. 1, fig. 2 and fig. 9, the clamping mechanism 7 further comprises a positioning mechanism 7, the clamping mechanism 7 comprises a positioning rod 71, a positioning spring 72 and a positioning frame 73, the positioning rod 71 is slidably connected to the inner wall of the right side of the support frame 2, the bottom of the positioning rod 71 is provided with an inclined surface inclined towards the left lower side, the top of the right side of the extrusion frame 34 is connected with a clamping block, the bottom of the positioning rod 71 is provided with a clamping groove, when the clamping block is clamped into the clamping groove, the return spring 35 is compressed, the positioning frame 73 is welded to the top of the positioning rod 71, the positioning frame 73 is rectangular, the left side of the positioning frame 73 penetrates through the front side and the rear side of the rolling rod 42, the rolling rod 42 moves upwards to contact the positioning frame 73, the positioning spring 72 is wound on the lower portion of the positioning rod 71, and the upper end and the lower end of the positioning spring 72 are respectively connected with the support frame 2 and the positioning rod 71. Therefore, when people push the extrusion frame 34 leftwards, the extrusion frame 34 drives the clamping block to move leftwards to firstly extrude the positioning rod 71 to move upwards, the positioning spring 72 is compressed, when the clamping block corresponds to the clamping groove, the positioning spring 72 resets to drive the positioning rod 71 to move downwards, the clamping block is clamped in the clamping groove, so that the extrusion frame 34 is fixed, when the outer diameter value is measured, the extrusion frame 34 does not need to be pushed all the way, the measuring time is prolonged, the data measured by the laser diameter measuring instrument 43 are stable and reliable, the accuracy of measuring the outer diameter value is further increased, when the rolling rod 42 moves upwards, the lower part of the rolling rod 42 moves upwards to contact with the positioning frame 73 and drive the positioning frame 73 to move upwards, the positioning frame 73 drives the clamping groove of the positioning rod 71 to separate from the clamping block upwards, and the return spring 35 resets to drive the extrusion frame 34 to move rightwards to reset.
As shown in fig. 2 and 10, the supporting device further comprises a positioning plate 8 and a supporting rod 9, the positioning plate 8 is fixedly connected to the middle of the extrusion frame 34, the supporting rod 9 is fixedly connected to the bottom of the positioning plate 8, and the supporting rod 9 is slidably connected to the right side of the supporting frame 2. The stability of the extrusion rack 34 sliding on the support frame 2 is increased by the arrangement of the positioning plate 8 and the support rod 9.
The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that various changes, modifications and substitutions may be made by those skilled in the art without departing from the spirit of the invention, and all are intended to be included within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (5)
1. The pipe outer diameter measurer capable of increasing the accuracy comprises a base (1) and a support frame (2), wherein the support frame (2) is installed at the top of the base (1), and the pipe outer diameter measurer is characterized by further comprising a straightening mechanism (3) and a measuring mechanism (4), the straightening mechanism (3) for correcting a skew deformation pipe is arranged in the middle of the support frame (2), the straightening mechanism (3) comprises a guide frame (31), an opening frame (32), a straightening spring (33) and an extrusion assembly, the guide frame (31) is connected to the middle of the support frame (2), the opening frame (32) is uniformly and slidably connected to the upper circumference of the guide frame (31), when the opening frame (32) completely penetrates into one pipe orifice of the pipe, the outer wall of the opening frame (32) is in contact with the inner wall of the pipe, the inner wall of the pipe is extruded when the opening frame (32) slides outwards, the deformed pipe is corrected, at least two straightening springs (33) are connected between the opening frame (32) and the inner wall of the guide frame (31), the straightening springs (33) are all wound on the opening frame (32), the straightening springs (33) are arranged on the right side of the straightening frame, the straightening mechanism (32) is used for measuring the accurate measurement of the right side of the straightening mechanism, and the straightening mechanism (4) is arranged on the inner side of the straightening mechanism for measuring mechanism, the measuring mechanism (4) measures the outer diameter value of the pipe in a laser mode;
the extrusion frame (34) and the return spring (35) form an extrusion assembly, the right side of the support frame (2) is connected with the extrusion frame (34) in a sliding manner, the left part of the extrusion frame (34) is arranged to be a transverse circular table, the right side surface of the opening frame (32) is arranged to be an inclined plane inclined towards the left lower side, the side surface of the circular table at the left part of the extrusion frame (34) is in contact with the right side surface of the opening frame (32), the extrusion frame (34) slides towards the left to extrude the opening frame (32) to slide outwards for synchronously correcting the pipe, the return spring (35) is wound at the right part of the extrusion frame (34), and the left end and the right end of the return spring (35) are respectively connected with the support frame (2) and the extrusion frame (34);
the measuring mechanism (4) is composed of a linear motor (41), rolling rods (42), a laser diameter measuring instrument (43), a testing spring (44), an auxiliary rolling ball (45) and a guide rod (46), the linear motor (41) is symmetrically installed on the front side and the rear side of the top of the left side of the support frame (2), the rolling rods (42) are installed between the linear motors (41) in a sliding mode, a strip-shaped groove is formed in the left side of the top of the support frame (2), the rolling rods (42) slide up and down and slide left and right in the strip-shaped groove, the guide rod (46) is connected to the left side of the upper portion of the support frame (2), a laser emitter and a laser receiver of the laser diameter measuring instrument (43) are installed on the front side and the rear side of the guide rod (46) in a sliding mode respectively, and are both connected with the rolling rods (42) in a sliding mode, the laser transmitter is processed by a group of lenses to become parallel light, the pipe blocks light beams, signals are generated on the laser receiver, the signals are transmitted to a special computer processor through a photoelectric sensor to read out the outer diameter parameters of the measured pipe, the front part and the rear part of the guide rod (46) are respectively wound with a test spring (44), the inner end and the outer end of the test spring (44) are respectively connected with a laser diameter measuring instrument (43) and the inner wall of the support frame (2), the front side and the rear side of the bottom of the rolling rod (42) are respectively and rotatably provided with an auxiliary rolling ball (45), the auxiliary rolling ball (45) is contacted with the outer wall of the upper part of the pipe, in the process that the auxiliary rolling ball (45) rolls downwards along the outer wall of the pipe, along with the gradual increase of the diameter length between the front and back of the pipe, the auxiliary rolling ball (45) drives the rolling rod (42) to slide outwards along the strip-shaped groove of the support frame (2) and the guide rod (46), the test spring (44) is compressed, when the diameter length between the front and back of the pipe is increased to the maximum and is kept unchanged, the rolling rod (42) does not slide outwards any more, the distance between the laser transmitter and the laser receiver of the laser diameter measuring instrument (43) is the outer diameter length of the pipe, and the laser diameter measuring instrument (43) is started to measure the outer diameter of the orthopedic pipe.
2. The pipe outer diameter measurer capable of increasing the accuracy according to claim 1, characterized by further comprising a scraping mechanism (5) for scraping dirt on the outer wall of the pipe, wherein the scraping mechanism (5) is composed of a scraping plate (51), a torsion spring (52) and a scroll spring (53), the scraping plate (51) for scraping the dirt on the outer wall of the pipe is rotatably connected between the left side and the right side of the auxiliary rolling ball (45), the scraping plate (51) swings inwards to be in contact with the outer wall of the upper portion of the pipe, the torsion spring (52) is connected between the left side and the right side of the scraping plate (51) and the rolling rod (42), the scroll spring (53) is connected between the left side and the right side of the scraping plate (51) and the auxiliary rolling ball (45), the scroll spring (45) rotates to deform the scroll spring (53) when the auxiliary rolling ball (45) rolls downwards along the outer wall of the pipe, the scroll spring (53) drives the scraping plate (51) to rotate by the force, the torsion spring (52) deforms, and when the scraping plate (51) rotates to be in close to the outer wall of the pipe, the auxiliary rolling ball (45) continues to deform, and the outer wall of the pipe (51) continuously deforms in a state when the scraping plate (53) rolls downwards.
3. The pipe outer diameter measurer capable of increasing the accuracy according to claim 1, further comprising an auxiliary support mechanism (6) for auxiliary supporting the pipe, wherein the auxiliary support mechanism (6) is composed of a support plate (61) and a support spring (62), the support plate (61) for auxiliary supporting the pipe is slidably connected to the left side of the top of the base (1), the support plate (61) is located below the lowermost opening frame (32), the support springs (62) are wound around the left side and the right side of the support plate (61), and the upper end and the lower end of the support spring (62) are respectively connected with the base (1) and the support plate (61).
4. The pipe outer diameter measurer capable of increasing the accuracy according to claim 1, further comprising a clamping mechanism (7) for continuously correcting the shape of the pipe, wherein the clamping mechanism (7) is composed of a positioning rod (71), a positioning spring (72) and a positioning frame (73), the positioning rod (71) is slidably connected to the inner wall of the right side of the support frame (2), the bottom of the positioning rod (71) is provided with an inclined surface inclined towards the lower left, the top of the right side of the extrusion frame (34) is connected with a clamping block, the bottom of the positioning rod (71) is provided with a clamping groove, and when the clamping block is clamped into the clamping groove, the return spring (35) is compressed, the extrusion frame (34) maintains the state of extruding the opening frame (32), the opening frame (32) continuously reshapes the pipe, the top of the positioning rod (71) is connected with a positioning frame (73), the positioning frame (73) is rectangular, the left side of the positioning frame (73) penetrates through the front side and the rear side of the rolling rod (42), the rolling rod (42) moves upwards to be in contact with the positioning frame (73), and drive positioning frame (73) upward movement, positioning frame (73) drive the draw-in groove of locating lever (71) upwards break away from the fixture block, return spring (35) restore to the throne and drive extrusion frame (34) and slide right, locating spring (72) is around having located the lower part of locating lever (71), the upper and lower both ends of locating spring (72) are connected with support frame (2) and locating lever (71) respectively.
5. The pipe outer diameter measurer capable of increasing the accuracy according to claim 1, further comprising a positioning plate (8) and a supporting rod (9), wherein the positioning plate (8) is connected to the middle of the extrusion frame (34), the supporting rod (9) is connected to the bottom of the positioning plate (8), the supporting rod (9) is slidably connected to the right side of the supporting frame (2), and the positioning plate (8) and the supporting rod (9) are used for assisting in supporting the extrusion frame (34).
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| CN118500274B (en) * | 2024-05-13 | 2024-10-15 | 台壹(山东)机床有限公司 | Automatic external diameter measuring device of high efficiency lathe |
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Effective date of registration: 20240517 Address after: 066000 North side of Wei'er Road, Industrial Park, Lulong Town, Lulong County, Qinhuangdao City, Hebei Province Patentee after: Qinhuangdao Jiabo Automotive Products Co.,Ltd. Country or region after: China Address before: No. 9, West Road, North District University, Tangshan City Road, Hebei Province, Hebei Patentee before: TANGSHAN College Country or region before: China |