CN114608748A - Dynamic balance detection device for cold-rolled galvanized sink roll - Google Patents
Dynamic balance detection device for cold-rolled galvanized sink roll Download PDFInfo
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- CN114608748A CN114608748A CN202210417201.6A CN202210417201A CN114608748A CN 114608748 A CN114608748 A CN 114608748A CN 202210417201 A CN202210417201 A CN 202210417201A CN 114608748 A CN114608748 A CN 114608748A
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- 238000001514 detection method Methods 0.000 title claims abstract description 127
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000005097 cold rolling Methods 0.000 claims 1
- 238000007747 plating Methods 0.000 claims 1
- 238000005520 cutting process Methods 0.000 description 13
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 6
- 229910052725 zinc Inorganic materials 0.000 description 6
- 239000011701 zinc Substances 0.000 description 6
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 241001422033 Thestylus Species 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005246 galvanizing Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/14—Determining imbalance
- G01M1/16—Determining imbalance by oscillating or rotating the body to be tested
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/02—Details of balancing machines or devices
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- A Measuring Device Byusing Mechanical Method (AREA)
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Abstract
The invention relates to the technical field of sink roll dynamic balance detection, in particular to a dynamic balance detection device for a cold-rolled galvanized sink roll, which comprises a base, wherein supports are symmetrically and fixedly connected with the front side and the rear side of the upper end surface of the base, two hinge seats are symmetrically and fixedly connected with the left side and the right side of the upper end surface of each support, and the inner sides of the hinge seats are rotatably connected with bearings through rotating shafts; the front side the place ahead of support is equipped with one-level detection mechanism, detects sink roll's dynamic balance through one-level detection mechanism the base up end left and right sides is equipped with second grade detection mechanism, second grade detection mechanism includes the pick-up plate. According to the dynamic balance detection device for the cold-rolled galvanized sinking roller, the band-type brake motor drives the movable rod to rotate around the outer surface of the sinking roller for a circle, the action track of the touch pen is recorded by matching the touch pen with the electronic whiteboard, and the shape characteristics of the turned part of the sinking roller are read through the scale marks to determine the position of the counterweight, so that the detection efficiency is improved.
Description
Technical Field
The invention relates to the technical field of sink roll dynamic balance detection, in particular to a dynamic balance detection device for a cold-rolled galvanized sink roll.
Background
In the production process of continuous hot galvanizing of the strip, as the core part of a galvanizing line, a sink roll is immersed below the liquid level of high-temperature liquid metal zinc, the condition of the roll surface of the sink roll plays a very important role in final quality, and also plays a decisive factor in product quality, so that the sink roll is ensured to run normally.
Because the sink roll is used below the liquid level of liquid high-temperature zinc liquid, under the action of high temperature and the self-rotating centrifugal force of the sink roll, the sink roll can be bent and deformed, the dynamic balance of the sink roll can be seriously influenced, the surface of the sink roll can be turned on a lathe at the moment to eliminate the bending deformation, and because the sink roll is a hollow roll, the thickness of the original sink roll is 45mm, the problem of wall thickness difference can be caused when the sink roll after the bending deformation is eliminated through turning, so that the two sides of the wall thickness and the wall thickness can generate weight difference to be used as the sink roll of a revolving body, when the sink roll rotates, the sink roll rotates under the condition that the thickness difference and the weight difference of the sink roll are large, the generated centrifugal inertia force cannot be mutually counteracted, so that the bearing abrasion is accelerated, the vibration and the noise are generated, and the mechanical life is shortened.
The prior patent (publication No. CN206927934U) is a dead weight type zinc pot sink roll static and dynamic balancing device, wherein two ends of the top of a base are fixedly connected with a double-bearing support, the double-bearing support comprises a fixed frame and a balance shaft clamping plate, the fixed frame is fixedly welded with the base, the two ends of the top of the fixed frame are fixedly welded with the balance shaft clamping plate, the top of the balance shaft clamping plate is provided with two shaft clamping grooves, the inner parts of the shaft clamping grooves are fixedly connected with a balance assembly, the balance assembly comprises a balance shaft and a bearing, two ends of the balance shaft are fixedly connected with the inner parts of the shaft clamping grooves, the middle part of the balance shaft is fixedly connected with a partition plate, two sides of the partition plate are provided with the bearing, the inner ring of the bearing is fixedly connected with the balance shaft, two ends of the sink roll are respectively placed between the two balance assemblies, the dead weight type zinc pot sink roll static and dynamic balancing device can run smoothly in a zinc pot after detecting the balance weight, the product quality is greatly improved, the service life of the equipment is greatly prolonged, and the economic loss of a company is reduced.
This dead weight formula zinc pot sink roll is quiet, dynamic balance device only utilizes gravity principle, and wall thickness and the big one side of weight can autogiration to the downside most, and the rethread welding counter weight is in order to reach dynamic balance, but the position precision of welding counter weight is lower, increases the work load that detects dynamic balance easily, reduces work efficiency.
In view of this, the invention provides a dynamic balance detection device for a cold-rolled galvanized sinking roller, which solves the technical problem.
Disclosure of Invention
The invention aims to provide a dynamic balance detection device for a cold-rolled galvanized sink roll, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
a dynamic balance detection device for a cold-rolled galvanized sink roll comprises a base, wherein supports are symmetrically and fixedly connected to the front side and the rear side of the upper end surface of the base, two hinge seats are symmetrically and fixedly connected to the left side and the right side of the upper end surface of each support, and bearings are rotatably connected to the inner sides of the hinge seats through rotating shafts;
a primary detection mechanism is arranged in front of the bracket at the front side, and the dynamic balance of the sink roll is detected through the primary detection mechanism;
the detection device comprises a base, a detection plate, a detection mechanism and a control mechanism, wherein the two sides of the upper end surface of the base are provided with two-stage detection mechanisms, each two-stage detection mechanism comprises a detection plate, the detection plates are in a semi-circular structure and are symmetrically arranged on the upper end surface of the base in the left-right direction, the front side surfaces of the detection plates are fixedly connected with electronic white boards in the semi-circular structures, and the vertical positions of the upper ends of the electronic white boards on the left side are marked with scale marks;
and measuring the offset of the thin wall side of the sink roll by the secondary detection mechanism so as to improve the precision of the balance weight.
Preferably, a second-stage sliding groove is formed in the upper end face of the base below the rear side face of the detection plate, and a second-stage sliding block is symmetrically connected to the left side and the right side inside the second-stage sliding groove in a sliding mode;
the vertical position of the upper end face of the second-stage sliding block, which is close to the rear side face of the detection plate, is fixedly connected with the rear side face of the detection plate through a short plate, and the horizontal position of the upper end face of the second-stage sliding block, which is close to the rear side face of the detection plate, is fixedly connected with the rear side face of the detection plate through a long plate.
Preferably, the center of the right side surface of the base is fixedly connected with a servo motor through a base plate, a secondary screw rod is arranged inside the secondary sliding chute, and the left end of the secondary screw rod penetrates through the left secondary sliding block and is rotatably connected with the center of the left side surface of the secondary sliding chute;
the right end of the second-stage screw rod penetrates through the second-stage sliding block on the right side and penetrates through the right side of the base to be fixedly connected with an output shaft of the servo motor, and the second-stage sliding blocks are in spiral transmission connection with the second-stage screw rod.
Preferably, the left side two vertical cross section central points about the right side of pick-up plate put the picture peg of equal fixedly connected with rectangle structure, the right side two vertical cross sections correspond about the left side of pick-up plate and have seted up and supply picture peg male slot.
Preferably, tracks with T-shaped cross sections and semicircular groove structures are arranged on the front side surfaces of the two detection plates close to the outer edges, rollers are arranged at the left ends of the inner parts of the tracks of the detection plates on the left side, the rollers are fixedly connected with a fixed plate through fixed shafts, and a band-type brake motor is fixedly connected to the left side surface of the fixed plate;
the brake motor is characterized in that an output shaft of the brake motor is fixedly connected with a gear, and gear teeth meshed with the gear are uniformly distributed on the outer annular surface of the detection plate.
Preferably, the fixed plate right flank central point puts fixedly connected with sleeve, the inside fixedly connected with movable rod of sleeve, and the movable rod left end passes through spring and the inside left end face elastic connection of sleeve.
Preferably, the right end of the movable rod is of a hemispherical structure, a touch pen is fixedly connected to the rear side face of the movable rod close to the left end of the movable rod, a movable groove for the touch pen to slide is formed in the rear side face of the sleeve, and the rear end of the touch pen penetrates through the movable groove and is in contact with the electronic whiteboard on the front side of the detection plate.
Preferably, the primary detection mechanism comprises a frame plate, the frame plate is of an L-shaped structure, a primary sliding block is fixedly connected to the center of the lower end face of the horizontal part of the frame plate, and a primary sliding groove is correspondingly formed in the upper end face of the base;
one-level slider and one-level spout sliding connection, and be equipped with the one-level lead screw in the one-level spout, the rear end of one-level lead screw runs through the one-level slider and puts the rotation with the trailing flank central point of one-level spout and be connected, and one-level slider and one-level lead screw drive are connected, the front end of one-level lead screw runs through to base leading flank and fixedly connected with hand wheel.
Preferably, the upper end of the rear side surface of the vertical part of the bracket is provided with a cutting sleeve with a cylindrical groove structure, clamping plates with arc-shaped inner side surfaces are symmetrically arranged in the cutting sleeve from top to bottom, one sides of the clamping plates far away from each other are rotatably connected with threaded rods, and the threaded rods are respectively in threaded connection with the central positions of the upper end and the lower end of the cutting sleeve;
the equal fixedly connected with stopper of leading flank central point of splint puts, and sets up on the inside round face of cutting ferrule and supply the gliding spacing groove of stopper.
Preferably, the center position in front of the clamping sleeve is fixedly connected with a connecting shaft, the connecting shaft penetrates through the upper end of the frame plate and is fixedly connected with a secondary belt pulley, and a primary belt pulley is arranged below the secondary belt pulley;
the upper end face of the horizontal part of the frame plate is fixedly connected with a stepping motor, a first-stage belt wheel is fixedly connected with an output shaft of the stepping motor, and the first-stage belt wheel is rotatably connected with a second-stage belt wheel through a belt.
Compared with the prior art, the invention has the beneficial effects that:
1. the band-type brake motor drives the movable rod to rotate around the outer surface of the sink roller for a circle, the action track of the touch pen is recorded by matching the touch pen with the electronic whiteboard, and the shape characteristics of the turned part sunk in the sink position are read through the scale marks to determine the position of the balance weight, so that the detection efficiency is improved;
2. the stability between the two detection plates is enhanced through the mutual matching of the plug board on the left detection plate and the slot on the right detection plate, and the normal operation of the band-type brake motor on the two detection plates is ensured;
3. the sink roller is fixed through the matching of the clamping sleeve and the clamping plate, so that the sink roller is prevented from rotating to influence a detection result when the movable rod rotates around the sink roller;
4. the clamping sleeve is driven to rotate through the stepping motor, so that the sink roller is driven to rotate, the sink roller is stopped at any position under the driving of the stepping motor, then the clamping plate in the clamping sleeve is loosened, whether the sink roller rotates or not is observed, whether the sink roller is balanced or not is judged, and the detection efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a first perspective view of the overall construction of the present invention;
FIG. 2 is a second perspective view of the overall construction of the present invention;
FIG. 3 is a third perspective view of the overall construction of the present invention;
FIG. 4 is a front view of the present invention;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4 in accordance with the present invention;
FIG. 6 is a cross-sectional view taken along line B-B of FIG. 4 in accordance with the present invention;
FIG. 7 is an enlarged view of the invention at C of FIG. 5;
fig. 8 is an enlarged view of the invention at D in fig. 6.
Description of reference numerals:
1. a base; 11. a support; 12. a hinged seat; 13. a bearing; 2. a primary detection mechanism; 21. a frame plate; 22. a stepping motor; 221. a primary pulley; 23. a card sleeve; 231. a connecting shaft; 232. a secondary belt pulley; 24. a splint; 241. a threaded rod; 242. a limiting groove; 243. a limiting block; 25. a first-stage chute; 251. a first-stage screw rod; 252. a first-stage slide block; 3. a secondary detection mechanism; 31. detecting a plate; 311. gear teeth; 312. a track; 313. inserting plates; 314. a slot; 32. an electronic whiteboard; 321. scale marks; 33. a band-type brake motor; 331. a fixing plate; 332. a gear; 333. a roller; 34. a sleeve; 341. a movable rod; 342. a stylus; 343. a movable groove; 35. a secondary chute; 351. a secondary slide block; 352. a long plate; 353. a short plate; 354. a second-stage screw rod; 355. a servo motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 8, the present invention provides a technical solution:
a dynamic balance detection device for a cold-rolled galvanized sink roll comprises a base 1, wherein supports 11 are symmetrically and fixedly connected to the front side and the rear side of the upper end surface of the base 1, two hinge seats 12 are symmetrically and fixedly connected to the left side and the right side of the upper end surface of each support 11, and the inner sides of the hinge seats 12 are rotatably connected with bearings 13 through rotating shafts; a primary detection mechanism 2 is arranged in front of the bracket 11 at the front side, and the dynamic balance of the sink roll is detected through the primary detection mechanism 2; the left side and the right side of the upper end face of the base 1 are provided with the secondary detection mechanisms 3, each secondary detection mechanism 3 comprises a detection plate 31, each detection plate 31 is of a semicircular structure and is symmetrically arranged on the upper end face of the base 1 in the left-right direction, the front side faces of the detection plates 31 are fixedly connected with electronic white boards 32 of the semicircular structures, and the vertical positions of the upper ends of the left electronic white boards 32 are marked with scale marks 321; and the offset of the thin wall side of the sink roll is measured by the secondary detection mechanism 3 so as to improve the precision of the balance weight.
During operation, two roll shafts of sink roll are respectively arranged between bearings 13 of the upper end surfaces of front and back side brackets 11 of the upper end surface of a base 1, the sink roll rotates under the action of self gravity, so that the wall thickness and the heavier side of the sink roll are located at the lower side, the lighter side is located at the upper side, two detection plates 31 are driven to be closed through a second-level detection mechanism 3, the shape of the outer surface of the sink roll is described through a detection mechanism, the described shape is displayed through an electronic white board 32, the offset condition of the relatively heavier side of the lighter side of the sink roll is read through a scale line 321, the position of a counterweight is determined, the precision of the counterweight is improved, dynamic balance detection is carried out on the sink roll passing through the counterweight through a first-level detection mechanism 2, and the detection efficiency is improved.
As an embodiment of the present invention, as shown in fig. 2 to 6, a secondary sliding groove 35 is formed on the upper end surface of the base 1 below the rear side surface of the detection plate 31, secondary sliders 351 are symmetrically and slidably connected to the left and right sides inside the secondary sliding groove 35, the upper end surface of the secondary slider 351 is fixedly connected to the rear side surface of the detection plate 31 through a short plate 353 near the vertical position of the rear side surface of the detection plate 31, the upper end surface of the secondary slider 351 is fixedly connected to the rear side surface of the detection plate 31 through a long plate 352 near the horizontal position of the rear side surface of the detection plate 31, a servo motor 355 is fixedly connected to the center position of the right side surface of the base 1 through a backing plate, a secondary screw 354 is arranged inside the secondary sliding groove 35, the left end of the secondary screw 354 penetrates through the left secondary slider 351 and is rotatably connected to the center position of the left side surface of the secondary sliding groove 35, the right end of the secondary screw 354 penetrates through the right secondary slider 351 and penetrates to the right side of the base 1 to be fixedly connected to an output shaft of the servo motor 355, the two-stage sliding blocks 351 are all in spiral transmission connection with the two-stage screw rod 354, the center positions of the upper vertical section and the lower vertical section of the right side of the detection plate 31 on the left side are fixedly connected with inserting plates 313 of a rectangular structure, and the upper vertical section and the lower vertical section of the left side of the detection plate 31 on the right side are correspondingly provided with inserting grooves 314 for inserting the inserting plates 313.
During operation, it is rotatory to start servo motor 355 to drive second grade lead screw 354, because second grade slider 351 all is connected with second grade lead screw 354 spiral transmission, and second grade lead screw 354 is located the inside screw direction of controlling two parts of second grade spout 35 opposite, thereby drive two second grade sliders 351 along second grade spout 35 motion in opposite directions, and then drive two detection plates 31 and be close to each other, in picture peg 313 on the detection plate 31 of left side accomplished the slot 314 that inserts on the detection plate 31 of right side, thereby accomplish the concatenation between two detection plates 31, picture peg 313 and slot 314's cooperation can improve the stability between the detection plate 31, the normal operating of second grade detection mechanism 3 has been guaranteed.
As an embodiment of the present invention, as shown in fig. 2, 4, 5 and 7, a track 312 with a cross-section of a T-shaped semicircular groove structure is formed at a position of the front side surface of each of the two detection plates 31 near the outer edge, a roller 333 is disposed at the left end inside the track 312 of the left detection plate 31, the roller 333 is fixedly connected to a fixed plate 331 through a fixed shaft, a band-type brake motor 33 is fixedly connected to the left side surface of the fixed plate 331, a gear 332 is fixedly connected to an output shaft of the band-type brake motor 33, gear teeth 311 engaged with the gear 332 are uniformly distributed on the annular outer side surface of the detection plate 31, a sleeve 34 is fixedly connected to the center position of the right side surface of the fixed plate 331, a movable rod 341 is fixedly connected to the inside of the sleeve 34, the left end surface of the movable rod 341 is elastically connected to the left end surface inside the sleeve 34 through a spring, the right end of the movable rod 341 is in a hemispherical structure, a touch pen 342 is fixedly connected to the rear side of the movable rod 341 near the left end thereof, a movable groove 343 for the touch pen 342 to slide is formed in the rear side of the sleeve 34, and the rear end of the touch pen 342 passes through the movable groove 343 and contacts the electronic whiteboard 32 in front of the detection plate 31.
During operation, based on the above embodiment, in the process that the left detection plate 31 and the right detection plate 31 approach each other, the movable rod 341 first contacts the left end of the sink roll, the left end of the movable rod 341 is extruded into the sleeve 34 for a distance along with the completion of splicing of the two detection plates 31, and then the band-type brake motor 33 is started to drive the gear 332 to rotate clockwise, because the gear 332 is engaged with the gear teeth 311 on the annular outer side surfaces of the two detection plates 31, and the two detection plates 31 are spliced into a circular ring structure, the two tracks 312 are also spliced into a circular ring structure, the roller 333 is rotatably connected with the tracks 312, the center position of the front side surface of the roller 333 is fixedly connected with the fixed plate 331 through the fixed shaft, so as to drive the fixed plate 331 to make circular motion around the sink roll, further drive the movable rod 341 to make circular motion around the sink roll, the right end of the movable rod 341 is in a hemispherical structure, thereby reducing the abrasion between the movable rod and the sink roll, when the movable rod 341 passes through the upper end of the sink roll, the upper end of the sink roll can be thinned after turning, so that the movable rod 341 can extend under the action of the spring, and further the stylus 342 at the left end of the movable rod can be driven to slide towards the center of the sink roll along the movable groove 343, so that the stylus 342 can leave a motion track on the electronic whiteboard 32, after the movable rod 341 leaves a lighter position on the upper side of the sink roll, the movable rod 341 is pressed again to shrink, after one rotation, a complete motion track can be left on the electronic whiteboard 32, a concave distance of the track is read through a scale mark 321 carved on the vertical part on the upper side of the left electronic whiteboard 32, and meanwhile, the turned amount is judged by combining the shape of the track, so that the position of the counterweight is determined, and the working efficiency is improved.
As an embodiment of the present invention, as shown in fig. 2, 4, 5, 6 and 8, the primary detection mechanism 2 includes a frame plate 21, the frame plate 21 is in an L-shaped structure, a primary slider 252 is fixedly connected to a central position of a lower end surface of a horizontal portion of the frame plate 21, a primary sliding slot 25 is correspondingly formed in an upper end surface of the base 1, the primary slider 252 is slidably connected to the primary sliding slot 25, a primary screw 251 is disposed in the primary sliding slot 25, a rear end of the primary screw 251 penetrates through the primary slider 252 and is rotatably connected to a central position of a rear side surface of the primary sliding slot 25, the primary slider 252 is spirally and drivingly connected to the primary screw 251, a front end of the primary screw 251 penetrates through a front side surface of the base 1 and is fixedly connected to a hand wheel, a cutting sleeve 23 having a cylindrical groove structure is disposed at an upper end of a rear side surface of a vertical portion of the support 11, clamping plates 24 having an arc-shaped inner side surface are vertically and symmetrically disposed inside the cutting sleeve 23, one side that splint 24 kept away from each other all rotates and is connected with threaded rod 241, threaded rod 241 puts threaded connection with the upper and lower both ends central point of cutting ferrule 23 respectively, the leading flank central point of splint 24 puts equal fixedly connected with stopper 243, and sets up on the inside circular face of cutting ferrule 23 and supply the gliding spacing groove 242 of stopper 243, the preceding central point of cutting ferrule 23 puts fixedly connected with connecting axle 231 of fixedly connected with, connecting axle 231 runs through frame plate 21 upper end and fixedly connected with second grade band pulley 232, second grade band pulley 232 below is equipped with one-level band pulley 221, the up end fixedly connected with step motor 22 of frame plate 21 horizontal part, and the output shaft fixed connection of one-level band pulley 221 and step motor 22, one-level band pulley 221 passes through the belt rotation with second grade band pulley 232 and is connected.
During operation, based on the above embodiment, before the turning amount of the sink roll is detected, the first-stage screw rod 251 is rotated by the hand wheel, as the primary slide block 252 is in spiral transmission connection with the primary screw rod 251, the primary slide block 252 is driven to move backwards, then the cutting sleeve 23 is driven to move backwards until the roller shaft at the front end of the sink roller enters the cutting sleeve 23, then the two threaded rods 241 are rotated to respectively drive the two clamping plates 24 to mutually approach to clamp the roller shaft of the sink roller, the limiting blocks 243 are fixedly connected to the center positions of the front side surfaces of the clamping plates 24, and the limiting grooves 242 for the limiting blocks 243 to slide are formed in the inner circular surfaces of the clamping sleeves 23, so that the clamping plates 24 are guaranteed to do linear motion along the limiting grooves 242 all the time without deviation, the clamping effect on the roller shafts of the sink rollers is improved, and the sink rollers are prevented from shaking to influence the detection result when the movable rods 341 of the secondary detection mechanism 3 rotate around the sink rollers;
after the sink roll passes through the welding counter weight, it is rotatory to start step motor 22 and start one-level band pulley 221, because one-level band pulley 221 passes through the belt rotation with second grade band pulley 232 and is connected, thereby it is rotatory to drive cutting ferrule 23, and then it is rotatory to drive the sink roll, drive the sink roll through step motor 22 and stop the back to the optional position, rotating threaded rod 241 drives splint 24 and keeps away from each other, thereby make the sink roll lose fixedly, observe whether the sink roll takes place to rotate, and then judge whether the sink roll reaches dynamic balance, and the work efficiency is improved.
The working principle is as follows: two roll shafts of the sink roll are respectively arranged between bearings 13 on the upper end surfaces of front and rear side brackets 11 on the upper end surface of a base 1, the sink roll rotates under the action of self gravity, so that the heavier side with the wall thickness is positioned on the lower side, the lighter side is positioned on the upper side, a first-stage lead screw 251 is rotated through a hand wheel, a first-stage slide block 252 is in screw transmission connection with the first-stage lead screw 251 so as to drive the first-stage slide block 252 to move backwards and further drive a clamping sleeve 23 to move backwards until the roll shaft at the front end of the sink roll enters the clamping sleeve 23, then two threaded rods 241 are rotated to respectively drive two clamping plates 24 to mutually approach and clamp the roll shafts of the sink roll, limiting blocks 243 are fixedly connected at the center positions of the front side surfaces of the clamping plates 24, limiting grooves 242 for the limiting blocks to slide are arranged on the inner circular surface of the clamping sleeve 23, and the clamping plates 24 are ensured to do linear motion along the limiting grooves 242 without deviation all the time, the clamping effect on the roller shaft of the sink roller is improved, and the sink roller is prevented from shaking to influence the detection result when the movable rod 341 of the secondary detection mechanism 3 rotates around the sink roller;
the servo motor 355 is started to drive the second-stage lead screw 354 to rotate, the second-stage sliding blocks 351 are in spiral transmission connection with the second-stage lead screw 354, the thread directions of the left part and the right part of the second-stage lead screw 354 located inside the second-stage sliding groove 35 are opposite, so that the two second-stage sliding blocks 351 are driven to move oppositely along the second-stage sliding groove 35, the two detection plates 31 are driven to approach each other until the insertion plate 313 on the left detection plate 31 is inserted into the insertion groove 314 on the right detection plate 31, splicing of the two detection plates 31 is completed, the stability between the detection plates 31 can be improved due to the matching of the insertion plate 313 and the insertion groove 314, and the normal operation of the second-stage detection mechanism 3 is guaranteed;
in the process that the left detection plate 31 and the right detection plate 31 approach each other, the movable rod 341 first contacts the left end of the sink roller, the left end of the movable rod 341 is extruded into the sleeve 34 for a distance along with the completion of splicing of the two detection plates 31, then the band-type brake motor 33 is started to drive the gear 332 to rotate clockwise, as the gear 332 is meshed with the gear teeth 311 on the outer annular surfaces of the two detection plates 31 and the two detection plates 31 are spliced into an annular structure, the two tracks 312 are also spliced into an annular structure, the roller 333 is rotatably connected with the tracks 312, the center position of the front side surface of the roller 333 is fixedly connected with the fixed plate 331 through the fixed shaft, so as to drive the fixed plate 331 to do circular motion around the sink roller and further drive the movable rod 341 to do circular motion around the sink roller, the right end of the movable rod 341 is of a hemispherical structure, the abrasion between the movable rod 341 and the sink roller is reduced, when the movable rod 341 passes through the upper end of the sink roller, the upper end of the sink roll is thinned after being turned, so that the movable rod 341 extends under the action of the spring, and further drives the touch pen 342 at the left end to slide towards the center of the sink roll along the movable groove 343, so that the touch pen 342 leaves a motion track on the electronic whiteboard 32, after the movable rod 341 leaves a light position on the upper side of the sink roll, the movable rod 341 is pressed again to contract, after rotating for a circle, a complete motion track is left on the electronic whiteboard 32, the distance of the concave track is read through the scale line 321 engraved in the vertical part on the upper side of the left electronic whiteboard 32, and the turned amount is judged by combining the shape of the track, so that the position of the counterweight is determined, and the working efficiency is improved;
after the sink roll passes through the welding counter weight, it is rotatory to start step motor 22 and start one-level band pulley 221, because one-level band pulley 221 passes through the belt rotation with second grade band pulley 232 and is connected, thereby it is rotatory to drive cutting ferrule 23, and then it is rotatory to drive the sink roll, drive the sink roll through step motor 22 and stop the back to the optional position, rotating threaded rod 241 drives splint 24 and keeps away from each other, thereby make the sink roll lose fixedly, observe whether the sink roll takes place to rotate, and then judge whether the sink roll reaches dynamic balance, and the work efficiency is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a cold rolling zinc-plating sink roll dynamic balance detection device, includes base (1), its characterized in that: the front side and the rear side of the upper end face of the base (1) are symmetrically and fixedly connected with a support (11), the left side and the right side of the upper end face of the support (11) are symmetrically and fixedly connected with two hinge seats (12), and the inner sides of the hinge seats (12) are rotatably connected with bearings (13) through rotating shafts;
a primary detection mechanism (2) is arranged in front of the front side support (11), and the dynamic balance of the sink roll is detected through the primary detection mechanism (2);
the two-stage detection mechanism (3) is arranged on the left side and the right side of the upper end face of the base (1), the two-stage detection mechanism (3) comprises a detection plate (31), the detection plate (31) is of a semicircular structure and is symmetrically arranged on the upper end face of the base (1) in the left-right direction, electronic whiteboards (32) of the semicircular structure are fixedly connected to the front side face of the detection plate (31), and scale marks (321) are marked at the vertical position of the upper end of the electronic whiteboard (32) on the left side;
and measuring the offset of the thin wall side of the sink roll by the secondary detection mechanism (3) so as to improve the precision of the balance weight.
2. The dynamic balance detection device for the cold-rolled galvanized sinking roller according to claim 1, characterized in that: a secondary sliding groove (35) is formed in the upper end face of the base (1) below the rear side face of the detection plate (31), and secondary sliding blocks (351) are symmetrically connected to the left side and the right side inside the secondary sliding groove (35) in a sliding mode;
the upper end face of the secondary sliding block (351) is fixedly connected with the rear side face of the detection plate (31) through a short plate (353) at a position close to the vertical position of the rear side face of the detection plate (31), and the upper end face of the secondary sliding block (351) is fixedly connected with the rear side face of the detection plate (31) through a long plate (352) at a position close to the horizontal position of the rear side face of the detection plate (31).
3. The dynamic balance detection device for the cold-rolled galvanized sinking roller according to claim 2, characterized in that: the center of the right side face of the base (1) is fixedly connected with a servo motor (355) through a base plate, a secondary screw rod (354) is arranged inside the secondary sliding groove (35), and the left end of the secondary screw rod (354) penetrates through the left secondary sliding block (351) and is rotatably connected with the center of the left side face of the secondary sliding groove (35);
the right end of the secondary screw rod (354) penetrates through the right secondary sliding block (351) and penetrates through the right side of the base (1) to be fixedly connected with an output shaft of the servo motor (355), and the secondary sliding blocks (351) are in spiral transmission connection with the secondary screw rod (354).
4. The dynamic balance detection device for the cold-rolled galvanized sinking roller according to claim 2, characterized in that: the left side two vertical cross section central points about the right side of pick-up plate (31) put equal fixedly connected with picture peg (313) of rectangle structure, the right side two vertical cross section about the left side of pick-up plate (31) correspond and have seted up confession picture peg (313) male slot (314).
5. The dynamic balance detection device for the cold-rolled galvanized sinking roller according to claim 4, characterized in that: the detection plates (31) are provided with tracks (312) with T-shaped semicircular groove structures at positions, close to the outer edges, of the front side surfaces of the two detection plates (31), rollers (333) are arranged at the left ends of the insides of the tracks (312) of the detection plates (31) on the left side, the rollers (333) are fixedly connected with a fixing plate (331) through fixing shafts, and the left side surfaces of the fixing plate (331) are fixedly connected with a band-type brake motor (33);
an output shaft of the band-type brake motor (33) is fixedly connected with a gear (332), and gear teeth (311) meshed with the gear (332) are uniformly distributed on the outer annular side surface of the detection plate (31).
6. The dynamic balance detection device for the cold-rolled galvanized sinking roller as claimed in claim 5, characterized in that: the fixed plate (331) right flank central point puts fixedly connected with sleeve (34), the inside fixedly connected with movable rod (341) of sleeve (34), and movable rod (341) left end face passes through spring and the inside left end face elastic connection of sleeve (34).
7. The dynamic balance detection device for the cold-rolled galvanized sinking roller according to claim 6, characterized in that: the right end of the movable rod (341) is of a hemispherical structure, a touch pen (342) is fixedly connected to the position, close to the left end, of the rear side face of the movable rod (341), a movable groove (343) for the touch pen (342) to slide is formed in the rear side face of the sleeve (34), and the rear end of the touch pen (342) penetrates through the movable groove (343) and is in contact with the electronic whiteboard (32) in front of the detection plate (31).
8. The dynamic balance detection device for the cold-rolled galvanized sinking roller according to claim 1, characterized in that: the primary detection mechanism (2) comprises a frame plate (21), the frame plate (21) is of an L-shaped structure, a primary sliding block (252) is fixedly connected to the center of the lower end face of the horizontal part of the frame plate (21), and a primary sliding groove (25) is correspondingly formed in the upper end face of the base (1);
one-level slider (252) and one-level spout (25) sliding connection, and be equipped with one-level lead screw (251) in one-level spout (25), the rear end of one-level lead screw (251) runs through one-level slider (252) and rotates with the trailing flank central point of one-level spout (25) and be connected, and one-level slider (252) and one-level lead screw (251) screw drive are connected, the front end of one-level lead screw (251) runs through to base (1) leading flank and fixedly connected with hand wheel.
9. The dynamic balance detection device for the cold-rolled galvanized sinking roller according to claim 8, characterized in that: the clamping sleeve (23) with a cylindrical groove structure is arranged at the upper end of the rear side face of the vertical part of the support (11), clamping plates (24) with arc-shaped inner side faces are symmetrically arranged in the clamping sleeve (23) up and down, one sides, far away from each other, of the clamping plates (24) are rotatably connected with threaded rods (241), and the threaded rods (241) are respectively in threaded connection with the central positions of the upper end and the lower end of the clamping sleeve (23);
the center of the front side of the clamping plate (24) is fixedly connected with a limiting block (243), and a limiting groove (242) for the limiting block (243) to slide is formed in the inner circular surface of the clamping sleeve (23).
10. The dynamic balance detection device for the cold-rolled galvanized sinking roller according to the claim 9, characterized in that: a connecting shaft (231) is fixedly connected to the center of the front of the clamping sleeve (23), the connecting shaft (231) penetrates through the upper end of the frame plate (21) and is fixedly connected with a secondary belt pulley (232), and a primary belt pulley (221) is arranged below the secondary belt pulley (232);
frame plate (21) horizontal part's up end fixedly connected with step motor (22), and one-level band pulley (221) and step motor (22) output shaft fixed connection, one-level band pulley (221) pass through the belt rotation with second grade band pulley (232) and are connected.
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| CN202210417201.6A CN114608748B (en) | 2022-04-20 | 2022-04-20 | Dynamic balance detection device for cold-rolled galvanized sink roll |
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Cited By (1)
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| CN117129145A (en) * | 2023-10-25 | 2023-11-28 | 贵州警察学院 | Dynamic balance testing device |
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