CN115256217A - Sealing tile grinding device - Google Patents
Sealing tile grinding device Download PDFInfo
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- CN115256217A CN115256217A CN202210717915.9A CN202210717915A CN115256217A CN 115256217 A CN115256217 A CN 115256217A CN 202210717915 A CN202210717915 A CN 202210717915A CN 115256217 A CN115256217 A CN 115256217A
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- 238000007789 sealing Methods 0.000 title abstract description 29
- 230000000694 effects Effects 0.000 claims abstract description 18
- 230000006835 compression Effects 0.000 claims description 29
- 238000007906 compression Methods 0.000 claims description 29
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 244000309464 bull Species 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/11—Lapping tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/34—Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B45/00—Means for securing grinding wheels on rotary arbors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention relates to a sealing tile grinding device.A clamping tool is arranged in the middle of a grinding frame, a telescopic hanging rod is arranged on the upper side of the grinding frame, a motor fixing seat is arranged at the lower end of the telescopic hanging rod, a grinding motor is arranged on the motor fixing seat, a rotating shaft of the grinding motor extends downwards and is provided with a grinding assembly, the grinding assembly comprises a fixed disk and a movable disk, a plurality of grinding head seats are rotatably arranged on the movable disk, and a plurality of grinding heads are arranged on each grinding head seat; an elastic pressing component is also arranged between the fixed disc and the movable disc. This application is through setting up the grinding unit who includes fixed disk, activity dish, installs a plurality of head bases that rotationally install a plurality of use pivots to set up as central symmetry on the activity dish, the bistrique of a plurality of different lengths of mountable, different roughness on every head base, can conveniently switch the bistrique as required from this, can show improvement grinding efficiency, assurance grinding precision and grinding uniformity.
Description
Technical Field
The invention relates to a thermal power maintenance technology, in particular to a sealing tile grinding device.
Background
After a generator sealing tile of a large-scale generator set runs for a certain period, the black gold surface of the sealing tile is abraded and needs to be scraped or ground. When the sealing bush is overhauled, the sealing bush needs to be disassembled along the radial joint surface, namely the sealing bush in a complete circle shape is disassembled from the generator shaft and then assembled on the clamping tool for grinding.
At present, manual grinding is mostly adopted for grinding the sealing bush of the generator, and the inner diameter ovality of the sealing bush is easy to exceed the standard under the influence of uncertain factors such as the proficiency of an overhaul master, the cutting force of a scraper, the cutting angle and the like, so that the contact between the black gold surface of the sealing bush and the journal of the rotor does not meet the requirement. The manual scraping operation period is long, the scraping precision cannot be guaranteed, the ovality of the sealing tile is prone to exceeding the standard seriously, the sealing tile can be scrapped seriously, and the maintenance period plan and the service life of equipment are influenced.
Disclosure of Invention
The invention aims to provide a sealing tile grinding device which is used for solving the problems of poor manual grinding precision, long grinding period and low efficiency of a sealing tile of a generator.
In order to solve the problems, the invention provides a sealing tile grinding device, wherein a clamping tool for fixing a sealing tile is arranged in the middle of a grinding frame, a telescopic hanging rod positioned above the clamping tool is arranged on the upper side of the grinding frame, a motor fixing seat is arranged at the lower end of the telescopic hanging rod, a grinding motor is arranged on the motor fixing seat, a rotating shaft of the grinding motor extends downwards, a grinding assembly is arranged on the rotating shaft, the grinding assembly comprises a fixed disc fixedly connected with the rotating shaft, a grinding head positioning vertical plate is arranged on one side of the fixed disc, which is far away from the grinding motor, and a grinding head positioning groove is arranged on the grinding head positioning vertical plate; the fixed disc is also provided with a movable disc, the movable disc can move relative to the fixed disc along the axial direction of the rotating shaft, the movable disc is rotatably provided with a plurality of grinding head seats which are symmetrically arranged by taking the rotating shaft as the center, and each grinding head seat is provided with a plurality of grinding heads; an elastic pressing component for pressing the grinding head seat on the fixed disc is further arranged between the fixed disc and the movable disc; when the elastic pressing component presses the grinding head seat on the fixed disk, one grinding head on the grinding head seat is clamped in the grinding head positioning groove, the grinding end of the grinding head extends out of the fixed disk, and the grinding head seat can rotate along with the fixed disk and the movable disk by taking the rotating shaft as a center.
The sealing tile grinding device provided by the invention also has the following technical characteristics:
furthermore, the elastic compression assembly comprises a compression rod, a compression spring and a compression plate, the fixed disk is provided with a plurality of through holes which are symmetrically arranged by taking the rotating shaft as a center, the compression rod is arranged in the through holes in a penetrating manner, one end of the compression rod is fixedly connected with the movable disk, the compression plate is arranged at the other end of the compression rod, the compression spring is arranged on the compression rod in a penetrating manner, one end of the compression spring is abutted against the compression plate, and the other end of the compression spring is abutted against the fixed disk, so that the movable disk is close to the fixed disk under the action of the compression spring; pressing the pressure plate to enable the movable disc to be far away from the fixed disc enables the grinding head to be separated from the grinding head positioning vertical plate.
Further, the rotating shaft comprises a first connecting section, a spline section and a guide section, wherein the outer diameter of the spline section is smaller than that of the first connecting section, and the outer diameter of the guide section is smaller than that of the spline section; the fixed disk is characterized in that the outer wall of the spline section is provided with connecting threads and a first spline groove, the center of the fixed disk is provided with a spline hole matched with the spline section, and the spline section is further sleeved with a first locking nut used for locking the fixed disk in the rotating shaft.
Further, the cylindric supporting seat of bistrique seat packing, be equipped with the bistrique mounting hole on the lateral wall of supporting seat, the top of supporting seat is equipped with the backup pad, the center of backup pad is equipped with the support column to the epirelief, be equipped with on the activity dish with the through-hole of support column adaptation, the bistrique seat passes through the support column is rotationally installed on the activity dish.
Further, first pinion is still installed to the upper end of support column, first pinion with the support column is fixed to link to each other, the guide section of pivot still overlaps and is equipped with rotatable center sleeve, be fixed with first gear wheel on the center sleeve, first gear wheel and each on the bistrique seat first pinion meshes, the bistrique breaks away from rotate during bistrique location riser center sleeve can drive each the bistrique seat synchronous revolution.
Further, the length of the guide section is greater than that of the central sleeve, the central sleeve can move along the axial direction of the rotating shaft, and a sleeve positioning stop ring is further mounted at the end part of the guide section to prevent the central sleeve from being separated from the guide section; the center of activity dish is equipped with the through-hole, the telescopic lower extreme in center wears to establish in the through-hole at activity dish center and can be relative the activity dish rotates, the activity dish is followed can drive simultaneously during the axial displacement of pivot the headstock the center sleeve along the activity dish removes together.
Furthermore, a grinding head adjusting assembly is further arranged in the grinding head seat and comprises an adjusting shaft and an eccentric wheel, one end of the adjusting shaft is fixedly connected with the eccentric wheel, a mounting hole is formed in the center of the supporting column, the adjusting shaft penetrates through the mounting hole, the end part of the adjusting shaft extends out of the supporting column, and the eccentric wheel is located in the supporting seat and can rotate along with the adjusting shaft in the supporting seat; the upper and lower both sides of eccentric wheel still are equipped with the regulation crown plate, the relative regulation annular has been seted up on the regulation crown plate, the inner of bistrique is equipped with the articulated shaft, the both ends of articulated shaft are inserted respectively and are established two in the regulation annular of regulation crown plate, rotate the regulating spindle can drive the outer end of bistrique is in flexible in the bistrique mounting hole of supporting seat.
Furthermore, the inner end of the grinding head is provided with a hinge hole, the hinge shaft penetrates through the hinge hole, and the adjusting ring plate, which is far away from the adjusting shaft, on the eccentric wheel is connected with the eccentric wheel through a bolt.
Furthermore, a second pinion is further installed at the end of the adjusting shaft, a second bull gear capable of rotating relative to the central sleeve is further installed on the central sleeve, the second bull gear is meshed with the second pinions on the adjusting shafts, and the second bull gear is rotated to drive the eccentric wheels to rotate synchronously.
Furthermore, be equipped with connecting thread and second splined groove on the outer wall of adjusting shaft tip, the center of second pinion is equipped with the splined hole, the tip of adjusting shaft still the cover be equipped with be used for with the second pinion locks second lock nut on the adjusting shaft.
The invention has the following beneficial effects: through setting up the grinding unit who includes fixed disk, activity dish, install a plurality of head bases that rotationally install a plurality of use the pivot as central symmetry and set up on the activity dish, the bistrique of a plurality of different length, different roughness of mountable on every head base from this can conveniently switch the bistrique as required, can show improvement grinding efficiency, guarantee to grind precision and grinding uniformity.
Drawings
FIG. 1 is a schematic structural view of a seal shoe grinding apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of an embodiment of an abrasive assembly according to the present invention;
FIG. 3 is a cross-sectional view of the abrasive assembly of FIG. 2;
FIG. 4 is an enlarged partial view taken at A in FIG. 3;
fig. 5 is a partial enlarged view at B in fig. 3;
FIG. 6 is an enlarged partial view at C of FIG. 3;
FIG. 7 is an enlarged partial view taken at D in FIG. 3;
fig. 8 is a schematic view of a grinding head seat mounting structure in the embodiment of the invention;
fig. 9 is an internal structural view of a grinding head base mounting structure in an embodiment of the invention;
fig. 10 is a schematic structural view of a grinding head holder in the embodiment of the invention;
FIG. 11 is a schematic view of the construction of a second pinion gear in an embodiment of the present invention;
fig. 12 is a schematic structural view of a grinding head adjustment assembly in an embodiment of the invention;
fig. 13 is a schematic structural view of a grinding head in an embodiment of the invention.
Detailed Description
The invention will be described in detail hereinafter with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In an embodiment of the sealing tile grinding device of the present invention as shown in fig. 1 to 13, in the sealing tile grinding device, a clamping fixture 102 for fixing a sealing tile 101 is installed in the middle of a grinding frame 100, a telescopic boom 103 located above the clamping fixture 102 is installed on the upper side of the grinding frame 100, a motor fixing seat 104 is installed at the lower end of the telescopic boom 103, a grinding motor 105 is installed on the motor fixing seat 104, a rotating shaft 10 of the grinding motor 105 extends downward, a grinding assembly 200 is installed on the rotating shaft 10, the grinding assembly 200 includes a fixed disk 20 fixedly connected to the rotating shaft 10, a grinding head positioning riser 21 is installed on one side of the fixed disk 20 away from the grinding motor 105, and a grinding head positioning groove is installed on the grinding head positioning riser 21; the fixed disk 20 is also provided with a movable disk 30, the movable disk 30 can move along the axial direction of the rotating shaft 10 relative to the fixed disk 20, the movable disk 30 is rotatably provided with a plurality of grinding head seats 40 which are symmetrically arranged by taking the rotating shaft 10 as the center, and each grinding head seat 40 is provided with a plurality of grinding heads 401; an elastic pressing component for pressing the grinding head seat 40 on the fixed disc 20 is also arranged between the fixed disc 20 and the movable disc 30; when the elastic pressing component presses the grinding head seat 40 on the fixed disk 20, one grinding head 401 on the grinding head seat 40 is clamped in the grinding head positioning groove and the grinding end of the grinding head extends out of the fixed disk 20, the grinding head seat 40 can rotate along with the fixed disk 20 and the movable disk 30 by taking the rotating shaft 10 as the center, particularly, under the action of the elastic pressing component, one grinding head 401 on the grinding head seat 40 is clamped in the grinding head positioning groove on the fixed disk 20, so that the grinding head seat 40 and the movable disk 30 are static relative to the fixed disk 20, and when the fixed disk 20 rotates under the driving of the rotating shaft 10, the outer end of the grinding head 401 extending out of the fixed disk 20 can grind the inner surface of the sealed tile.
When the sealing tile grinding device is used, the sealing tile 101 is assembled and then fixed on the clamping tool 102, and the clamping tool 102 clamps the outer wall of the sealing tile and supports the sealing tile at the bottom; after the sealing shoe 101 is fixed, the telescopic suspension rod 103 of the grinding frame 100 is extended downward to move the grinding assembly downward, and when the grinding heads of the grinding assembly contact the inner surface of the sealing shoe, the grinding heads rotating with the fixed disk can grind the inner surface of the sealing shoe.
The utility model provides a sealed tile grinder, through setting up the grinding unit who includes fixed disk, activity dish, install a plurality of bistriques seat that rotationally install a plurality of use pivots as central symmetry setting on the activity dish, the bistriques of a plurality of different lengths of mountable, different roughness on every bistrique seat from this can conveniently switch the bistrique as required, can show improvement grinding efficiency, guarantee to grind the precision and grind the uniformity.
In an embodiment of the present application, preferably, the elastic pressing assembly includes a pressing rod 23, a pressing spring 24 and a pressing plate 25, the fixed disk 20 is provided with a plurality of through holes symmetrically arranged with the rotating shaft 10 as a center, the pressing rod 23 is inserted into the through hole on the fixed disk 20, and one end of the pressing rod 23 is fixedly connected with the movable disk 30, the other end of the pressing rod 23 is provided with the pressing plate 25, the pressing spring 24 is inserted onto the pressing rod 23, one end of the pressing spring 24 abuts against the pressing plate 25, and the other end abuts against the fixed disk 20, so that the movable disk 30 is close to the fixed disk 20 under the action of the pressing spring 24 to press the grinding head seat 40 on the fixed disk 20; pressing the pressing plate 25 so that the movable disk 30 is away from the fixed disk 20 can disengage the grinding heads 401 from the grinding-head positioning risers 21, whereby the grinding-head base 40 can be rotated to switch the positions of the respective grinding heads 401 on the grinding-head base 40, enabling switching of the grinding heads extending out of the fixed disk 20. Preferably, the end of the pressing rod 23 is fixedly connected with the movable disk 30 through a thread, thereby facilitating the assembly of the pressing rod and the compression spring.
In one embodiment of the present application, preferably, the rotating shaft 10 includes a first connecting section 11, a spline section 12 and a guiding section 13, the outer diameter of the spline section 12 is smaller than the outer diameter of the first connecting section 11, and the outer diameter of the guiding section 13 is smaller than the outer diameter of the spline section 12; the outer wall of the spline section 12 is provided with a connecting thread 122 and a first spline groove 121, the center of the fixed disk 20 is provided with a spline hole matched with the spline section 12, and the spline section 12 is further sleeved with a first locking nut 123 for locking the fixed disk 20 on the rotating shaft 10, so that the fixed disk 20 is reliably mounted on the rotating shaft 10.
In one embodiment of the present application, preferably, the grinding head seat 40 encloses a cylindrical support seat 41, a grinding head mounting hole 411 is formed on a side wall of the support seat 41, a support plate 42 is arranged at the top end of the support seat 41, a support column 43 is convexly arranged at the center of the support plate 42, a through hole adapted to the support column 43 is formed on the movable disc 30, and the grinding head seat 40 is rotatably mounted on the movable disc 30 through the support column 43; preferably, a snap ring 44 is clamped on the support column 43, so that the support column 43 is axially limited by the snap ring 44 to prevent the support column 43 from axially moving, so that the support column 43 can only rotate on the movable plate 30.
In one embodiment of the present application, preferably, the upper end of the supporting column 43 is further provided with a first pinion 51, the first pinion 41 is fixedly connected with the supporting column 43, the guiding section 13 of the rotating shaft 10 is further sleeved with a rotatable center sleeve 60, a first gearwheel 61 is fixed on the center sleeve 60, the first gearwheel 61 is engaged with the first pinion 51 on each grinding head seat 40, and when the grinding head 401 is disengaged from the grinding head positioning vertical plate 21, the center sleeve 60 is rotated to drive each grinding head seat 40 to synchronously rotate so as to simultaneously switch the positions of the grinding heads on each grinding head seat 40; specifically, after the grinding motor 105 stops rotating, when the grinding heads extending out of the fixed disk 20 are changed according to grinding requirements, the movable disk 30 is far away from the fixed disk 20 by pressing the pressing plate 25, the movable disk 30 drives the grinding head seat to move, so that the grinding heads 401 are separated from the grinding head positioning vertical plate 21 on the fixed disk 20, then the central sleeve 60 is rotated, so that the central sleeve 60 drives the grinding head seats 40 to synchronously rotate through the first large gear and the first small gear, thereby synchronously switching the grinding heads on the grinding head seats 40, after the grinding head switching is finished, the pressing of the pressing plate 25 is removed, the movable disk 30 resets under the action of the pressing rod 23 and the pressure spring 24, and the grinding heads switched on the grinding head seats are clamped in the grinding head positioning grooves on the fixed disk 20 again.
In one embodiment of the present application, preferably, the length of the guide section 13 is greater than that of the center sleeve 60, the center sleeve 60 is movable on the guide section 13 in the axial direction of the rotating shaft 10, and the end of the guide section 13 is further mounted with a sleeve positioning stop ring 134 to prevent the center sleeve 60 from being separated from the guide section 13; a through hole is formed in the center of the movable disc 30, the lower end of the central sleeve 60 penetrates through the through hole in the center of the movable disc 30 and can rotate relative to the movable disc 30, and the movable disc 30 can simultaneously drive the grinding head seat 40 and the central sleeve 60 to move along with the movable disc 30 when moving along the axial direction of the rotating shaft 10; specifically, the lower end of the central sleeve 60 is provided with a positioning step and a positioning stop ring 631, and the movable disk 30 can be axially limited by the positioning step and the positioning stop ring 631, so that the central sleeve 60 and the movable disk 30 can only move synchronously in the axial direction, and therefore, the first gearwheel and the first pinion can be prevented from being disengaged due to the axial movement of the central sleeve 60 relative to the movable disk 30, and the transmission of grinding heads on each grinding head seat is reliable during synchronous switching. Preferably, the upper end of the central sleeve 60 is further provided with a retaining ring 632 and a third locking nut 633 for axially positioning the second large gear 62 to prevent the second large gear 62 from being disengaged from the central sleeve.
In one embodiment of the present application, it is preferable that the maximum distance between the sleeve positioning ring 134 and the end of the central sleeve 60 is greater than 1.2 times the height of the wheelhead positioning riser 21, whereby when the movable disk 30 is moved away from the fixed disk 20 by pressing the pressing plate 25, the wheelhead 401 on the wheelhead base 40 can be completely separated from the wheelhead positioning grooves, whereby the wheelhead base can be rotated to switch wheelheads; preferably, the upper end of the center sleeve 60 is provided with a first dial 601 to facilitate rotation of the center sleeve.
In one embodiment of the present application, preferably, a grinding head adjusting assembly 70 is further disposed in the grinding head seat 40, the grinding head adjusting assembly 70 includes an adjusting shaft 71 and an eccentric wheel 72, one end of the adjusting shaft 71 is fixedly connected with the eccentric wheel 72, a mounting hole is disposed in the center of the supporting column 43, the adjusting shaft 71 is inserted into the mounting hole in the center of the supporting column 43, and an end of the adjusting shaft extends out of the supporting column 43, the eccentric wheel 72 is located in the supporting seat 41 and can rotate with the adjusting shaft 71 in the supporting seat 41; adjusting ring plates 73 are further arranged on the upper side and the lower side of the eccentric wheel 72, opposite adjusting ring grooves 74 are formed in the adjusting ring plates 73, hinge shafts 402 are arranged at the inner ends of the grinding heads 401, two ends of the hinge shafts 402 are respectively inserted into the adjusting ring grooves 74 of the two adjusting ring plates 73, the outer ends of the grinding heads 401 can be driven to stretch in grinding head mounting holes 411 of the supporting seat 41 by rotating the adjusting shafts 71 through the eccentric wheel 72 and the adjusting ring grooves 74, therefore, the length of the grinding heads 401 extending out of the fixed disk 20 can be conveniently changed as required, and the extending lengths of the grinding heads can be finely adjusted as required after the grinding heads used are determined.
In one embodiment of the present application, preferably, the inner end of the grinding head 401 is provided with a hinge hole 403, a hinge shaft 402 is arranged in the hinge hole 403, an adjusting ring plate 73 of the eccentric wheel 72 far away from the adjusting shaft 71 is connected with the eccentric wheel 71 through a bolt 75, thereby facilitating the installation of the grinding head adjusting assembly and the grinding head; specifically, during assembly, the adjusting ring plate 73 far away from the adjusting shaft 71 is separated from the eccentric wheel 72, the adjusting shaft 71 is firstly inserted into the supporting column 43 from the opening end of the supporting seat 41, the eccentric wheel 72 is positioned in the supporting seat 41, then the inner end of the grinding head passes through the grinding head mounting hole 411 on the supporting seat 41 and extends into the supporting seat 41, then the hinge shaft 402 is inserted into the hinge hole 403, so that one end of the hinge shaft extends into the adjusting ring groove 74 on the adjusting ring plate 73 close to the adjusting shaft 71, finally the unassembled adjusting ring plate 73 is mounted on the eccentric wheel 72, so that the other end of the hinge shaft 402 is positioned in the adjusting ring groove 74, and then the adjusting ring plate 72 is fixedly connected with the eccentric wheel through the bolt 75.
In one embodiment of the present application, preferably, the end of the adjusting shaft 71 is further mounted with a second small gear 52, the central sleeve 60 is further mounted with a second large gear 62 capable of rotating relative to the central sleeve 60, the second large gear 62 is engaged with the second small gear 52 on each adjusting shaft 71, and rotating the second large gear 63 can drive each eccentric wheel 72 to rotate synchronously to adjust the extension length of the grinding head 401, thereby realizing synchronous adjustment of the extension length of each grinding head. Preferably, a second shifting block 602 is further provided on the second large gear 62 so as to adjust the extending length of the grinding head by rotating the second large gear.
In one embodiment of the present application, it is preferable that the outer wall of the end of the adjusting shaft 71 is provided with a connecting thread 711 and a second spline groove 712, the center of the second pinion 52 is provided with a spline hole, and the end of the adjusting shaft 71 is further sleeved with a second lock nut 713 for locking the second pinion 52 on the adjusting shaft 71, so that the second pinion is fixed and reliable. Preferably, a protrusion 521 is further disposed on one side of the second small gear 52, after the second locking nut 713 locks the second small gear, the protrusion 521 on the second small gear abuts against the first small gear 51, so that the adjusting shaft 71 cannot rotate relative to the burr base 40, and at this time, the second large gear 62 cannot rotate relative to the central sleeve 60; after the second locking nut 713 is unlocked, the second pinion gear can drive the adjusting shaft 71 to rotate relative to the headstock 40. Preferably, the adjusting shaft 71 is further sleeved with a return spring 53 located between the first pinion 51 and the second pinion 52, so that after the second lock nut 713 is unlocked, the second pinion 52 can move 3mm to 6mm under the action of the return spring 53 to be out of contact with the first pinion 51, and therefore, the adjusting shafts 71 can be driven to rotate synchronously through the second large gear 62.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A sealed tile grinding device is characterized in that a telescopic hanging rod positioned above the clamping tool is installed on the upper side of a grinding frame, a motor fixing seat is installed at the lower end of the telescopic hanging rod, a grinding motor is installed on the motor fixing seat, a rotating shaft of the grinding motor extends downwards, a grinding assembly is installed on the rotating shaft, the grinding assembly comprises a fixing disc fixedly connected with the rotating shaft, a grinding head positioning vertical plate is arranged on one side, away from the grinding motor, of the fixing disc, and a grinding head positioning groove is formed in the grinding head positioning vertical plate; the fixed disc is also provided with a movable disc, the movable disc can move relative to the fixed disc along the axial direction of the rotating shaft, the movable disc is rotatably provided with a plurality of grinding head seats which are symmetrically arranged by taking the rotating shaft as the center, and each grinding head seat is provided with a plurality of grinding heads; an elastic pressing component for pressing the grinding head seat on the fixed disc is further arranged between the fixed disc and the movable disc; when the elastic pressing component presses the grinding head seat on the fixed disk, one grinding head on the grinding head seat is clamped in the grinding head positioning groove, the grinding end of the grinding head extends out of the fixed disk, and the grinding head seat can rotate along with the fixed disk and the movable disk by taking the rotating shaft as a center.
2. The seal shoe grinding apparatus of claim 1 wherein: the elastic compression assembly comprises a compression rod, a compression spring and a compression plate, the fixed disk is provided with a plurality of through holes which are symmetrically arranged by taking the rotating shaft as a center, the compression rod is arranged in the through holes in a penetrating manner, one end of the compression rod is fixedly connected with the movable disk, the compression plate is arranged at the other end of the compression rod, the compression spring is arranged on the compression rod in a penetrating manner, one end of the compression spring is abutted against the compression plate, and the other end of the compression spring is abutted against the fixed disk, so that the movable disk is close to the fixed disk under the action of the compression spring; pressing the pressure plate to enable the movable disc to be far away from the fixed disc enables the grinding head to be separated from the grinding head positioning vertical plate.
3. The seal shoe grinding apparatus of claim 2 wherein: the rotating shaft comprises a first connecting section, a spline section and a guide section, wherein the outer diameter of the spline section is smaller than that of the first connecting section, and the outer diameter of the guide section is smaller than that of the spline section; the fixed disk is characterized in that the outer wall of the spline section is provided with connecting threads and a first spline groove, the center of the fixed disk is provided with a spline hole matched with the spline section, and the spline section is further sleeved with a first locking nut used for locking the fixed disk in the rotating shaft.
4. The seal shoe grinding apparatus of claim 3 wherein: the grinding head seat is packaged with a cylindrical supporting seat, grinding head mounting holes are formed in the side wall of the supporting seat, a supporting plate is arranged at the top end of the supporting seat, a supporting column is arranged at the center of the supporting plate in an upward protruding mode, a through hole matched with the supporting column is formed in the movable disc, and the grinding head seat is installed on the movable disc in a rotating mode through the supporting column.
5. The seal shoe grinding apparatus of claim 4 wherein: first pinion is still installed to the upper end of support column, first pinion with the support column is fixed continuous, the direction section of pivot is still overlapped and is equipped with rotatable center sleeve, be fixed with first gear wheel on the center sleeve, first gear wheel and each on the bistrique seat first pinion engagement, the bistrique breaks away from rotate during the bistrique location riser center sleeve can drive each the bistrique seat synchronous revolution.
6. The seal shoe grinding apparatus of claim 5 wherein: the length of the guide section is greater than that of the central sleeve, the central sleeve can move along the axial direction of the rotating shaft, and a sleeve positioning retaining ring is further mounted at the end part of the guide section; the center of activity dish is equipped with the through-hole, the telescopic lower extreme in center wears to establish in the through-hole at activity dish center and can be relative the activity dish rotates, the activity dish is followed can drive simultaneously during the axial displacement of pivot the headstock the center sleeve along the activity dish removes together.
7. The seal shoe grinding apparatus of claim 6 wherein: a grinding head adjusting assembly is further arranged in the grinding head seat and comprises an adjusting shaft and an eccentric wheel, one end of the adjusting shaft is fixedly connected with the eccentric wheel, a mounting hole is formed in the center of the supporting column, the adjusting shaft penetrates through the mounting hole, the end part of the adjusting shaft extends out of the supporting column, and the eccentric wheel is located in the supporting seat and can rotate along with the adjusting shaft in the supporting seat; the upper and lower both sides of eccentric wheel still are equipped with the regulating ring board, set up relative regulation annular on the regulating ring board, the inner of bistrique is equipped with the articulated shaft, the both ends of articulated shaft are inserted respectively and are established two in the regulation annular of regulating ring board, rotate the regulating shaft can drive the outer end of bistrique is in flexible in the bistrique mounting hole of supporting seat.
8. The seal shoe grinding apparatus of claim 7 wherein: the inner of bistrique is equipped with the hinge hole, the articulated shaft wears to establish in the hinge hole, keep away from on the eccentric wheel the regulating ring board of regulating spindle links to each other with the eccentric wheel through the bolt.
9. The seal shoe grinding apparatus as set forth in claim 7, wherein: the end part of the adjusting shaft is also provided with a second pinion, the central sleeve is also provided with a second gearwheel which can rotate relative to the central sleeve, the second gearwheel is meshed with the second pinions on the adjusting shafts, and the second gearwheel can drive the eccentric wheels to synchronously rotate.
10. The seal shoe grinding apparatus of claim 9 wherein: the outer wall of the end part of the adjusting shaft is provided with connecting threads and a second spline groove, the center of the second pinion is provided with a spline hole, and the end part of the adjusting shaft is further sleeved with a second locking nut used for locking the second pinion on the adjusting shaft.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210717915.9A CN115256217B (en) | 2022-06-23 | 2022-06-23 | Sealing tile grinding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210717915.9A CN115256217B (en) | 2022-06-23 | 2022-06-23 | Sealing tile grinding device |
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| CN115256217A true CN115256217A (en) | 2022-11-01 |
| CN115256217B CN115256217B (en) | 2024-01-23 |
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| CN215144734U (en) * | 2021-03-31 | 2021-12-14 | 中广核核电运营有限公司 | Machining mould for sealing tile of generator |
| CN215357901U (en) * | 2021-05-24 | 2021-12-31 | 福建华清电子材料科技有限公司 | Aluminum nitride ceramic substrate surface treatment grinds machine |
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| CN208880484U (en) * | 2018-09-20 | 2019-05-21 | 广州信博包装机械有限公司 | A kind of bistrique drive mechanism of polishing machine |
| KR20200117662A (en) * | 2019-04-05 | 2020-10-14 | 두산공작기계 주식회사 | Machine tool grinding head device |
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| CN115256217B (en) | 2024-01-23 |
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