CN117961757A - Polishing and grinding device for repairing surface of silicon carbide ceramic - Google Patents
Polishing and grinding device for repairing surface of silicon carbide ceramic Download PDFInfo
- Publication number
- CN117961757A CN117961757A CN202410370442.9A CN202410370442A CN117961757A CN 117961757 A CN117961757 A CN 117961757A CN 202410370442 A CN202410370442 A CN 202410370442A CN 117961757 A CN117961757 A CN 117961757A
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- silicon carbide
- carbide ceramic
- protection box
- sliding
- plates
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- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 133
- 239000000919 ceramic Substances 0.000 title claims abstract description 129
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims abstract description 124
- 238000005498 polishing Methods 0.000 title claims abstract description 49
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims description 14
- 230000000737 periodic effect Effects 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 11
- 239000000843 powder Substances 0.000 description 16
- 238000007599 discharging Methods 0.000 description 15
- 230000002441 reversible effect Effects 0.000 description 11
- 238000005245 sintering Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- B24B37/02—Lapping machines or devices; Accessories designed for working surfaces of revolution
-
- 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
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
-
- 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
- B24B27/00—Other grinding machines or devices
- B24B27/0092—Grinding attachments for lathes or the like
-
- 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
- B24B37/27—Work carriers
-
- 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
-
- 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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/50—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground, e.g. strings
-
- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
-
- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
A polishing and grinding device for repairing the surface of silicon carbide ceramic relates to the technical field of polishing devices, and comprises a protection box which is fixedly arranged, wherein an inner sliding circular ring which is vertically arranged is arranged in the protection box, four grinding wheels which are rotationally arranged along a horizontal line are uniformly distributed on the inner wall of the inner sliding circular ring along the circumferential direction of the inner sliding circular ring, clamping assemblies are arranged on the opposite inner wall of the protection box along the radial sliding direction of the inner sliding circular ring, each clamping assembly comprises a hollow plate disc which is coaxially arranged with the inner sliding circular ring, and three swinging plates which are rotationally connected with the end part of the hollow plate disc are uniformly distributed along the circumferential direction of the end part of the hollow plate disc. The invention solves the problem that the existing silicon carbide ceramic polishing and grinding device is easy to deviate when fixing the silicon carbide ceramic roller rod, so that the polishing and grinding effect is poor; the adjusting process is complicated when a plurality of grinding wheels are adjusted, and the contact degree of each grinding wheel to the surface of the silicon carbide ceramic roller is inconsistent; the automation degree is lower, and the operation control is complicated.
Description
Technical Field
The invention relates to the technical field of polishing devices, in particular to a polishing device for repairing the surface of silicon carbide ceramic.
Background
Nowadays, with the continuous development of science and technology, basic research and new technology development of ceramics are also continuously advanced, silicon carbide ceramics are widely applied as engineering materials with excellent performance, and the silicon carbide ceramics not only have excellent normal-temperature mechanical properties, such as high bending strength, excellent oxidation resistance, good corrosion resistance, high abrasion resistance and low friction coefficient, but also are optimal in the known ceramic materials, and based on the excellent properties of the silicon carbide ceramics, the silicon carbide ceramic roller is widely applied in the high-temperature industry and takes the dominant role.
The silicon carbide ceramic roller needs to be sintered in the process of processing a finished product, and more raw materials are adhered to the surface of the silicon carbide ceramic roller after the sintering process is finished, so that a polishing and repairing treatment is needed to be carried out on the surface of the silicon carbide ceramic roller by using a polishing and grinding device.
The prior art discloses a patent with publication number CN113290487A, and this scheme includes the main part, and the inside of main part sets up installs the installation component, and the center of installation component is provided with place the platform, and fixed mounting has fixing device on the inside of installation component, and buffering gasbag is installed to fixing device's inside setting, and fixing device's right side movable mounting has the linkage subassembly. This high-efficient burnishing device suitable for new material carborundum pottery processing usefulness drives polishing mechanism through burnishing device and polishes carborundum pottery, based on the non-Newtonian fluid in the polishing mechanism inside of messenger under the effect of pressure, and then makes non-Newtonian fluid adapt to the specification of this carborundum pottery, utilizes the clearance head on the cleaning device to carry out effective absorption with the sweeps on the carborundum pottery simultaneously to further promote the polishing effect of carborundum pottery, improved the availability factor of the device simultaneously.
The prior art including the above patent also gradually exposes the disadvantages of the technology during use:
Firstly, in order to improve the polishing and grinding efficiency of the silicon carbide ceramic roller, a plurality of grinding wheels are generally used for polishing the silicon carbide ceramic roller simultaneously, a plurality of grinding wheels encircle to form a circle, the silicon carbide ceramic roller is fixed between a plurality of grinding wheels for polishing and grinding, but the silicon carbide ceramic roller is easy to deviate in the fixing process, namely, the circle encircled by the grinding wheels is not coaxial with the silicon carbide ceramic roller, so that the polishing and grinding effect on the surface of the silicon carbide ceramic roller is poor, and the silicon carbide ceramic roller is directly scrapped when the coaxiality is low.
Second, before adopting the mode of a plurality of grinding millers to the silicon carbide ceramic roller to throw the mill to the silicon carbide ceramic roller, need adjust all grinding millers one by one, make its and silicon carbide ceramic roller surface contact, adjustment process is loaded down with trivial details, waste time and energy, leads to the device practicality relatively poor to every grinding miller is inconsistent to the contact degree on silicon carbide ceramic roller surface, and then influences the throwing effect to the silicon carbide ceramic roller.
Thirdly, the silicon carbide ceramic polishing device of the same model can only polish silicon carbide ceramic roller bars of the same specification, and when polishing silicon carbide ceramic roller bars of different specifications, the corresponding polishing device needs to be replaced, so that the device has larger use limitation.
Fourth, the polishing device can produce a large amount of powder to the in-process that polishes the silicon carbide ceramic roller, and the powder not only scatters on the device, still adsorbs on the surface of silicon carbide ceramic roller easily, and operating workman need clear up the powder on silicon carbide ceramic roller and the device after processing a period, has increased operating workman's intensity of labour, has reduced machining efficiency.
Fifth, the degree of automation of the existing polishing device is low, and in the polishing process of the silicon carbide ceramic roller, operators are required to manually push or rotate the silicon carbide ceramic roller to adjust the polishing position, so that the operation procedure is complex.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of Invention
Aiming at the defects in the prior art, the technical problem to be solved by the invention is to provide a polishing and grinding device for repairing the surface of silicon carbide ceramic, which can improve the coaxiality of a circle formed by a silicon carbide ceramic roller and a plurality of grinding wheels, thereby improving the polishing and grinding effect on the silicon carbide ceramic roller;
the device can also synchronously adjust all grinding wheels, simplifies the adjusting procedure of the grinding wheels, realizes the consistent contact degree of each grinding wheel and the silicon carbide ceramic roller rod, and further improves the polishing and grinding effect of the silicon carbide ceramic roller rod;
the device can also realize polishing and grinding of silicon carbide ceramic roller rods with different specifications, and the practicability of the device is improved;
the device can also clean the surface of the silicon carbide ceramic roller and the powder on the device, so that the labor intensity of operators is reduced, and the processing efficiency is improved;
the device can also realize automatic polishing and grinding of the silicon carbide ceramic roller, and reduces the operation procedures of operators.
In order to solve the problems, the invention provides the following technical scheme:
The polishing and grinding device for repairing the surface of the silicon carbide ceramic comprises a protection box which is fixedly arranged, wherein a vertically placed inner sliding ring is arranged in the protection box, four grinding wheels which are rotationally arranged along a horizontal line are uniformly distributed on the inner wall of the inner sliding ring along the circumferential direction of the inner sliding ring, the four grinding wheels are also slidingly arranged along the radial direction of the inner sliding ring,
Clamping assemblies are arranged on the opposite inner walls of the protection box, so that silicon carbide ceramic rollers with different specifications can be clamped through the clamping assemblies, and the coaxiality of a circle surrounded by the silicon carbide ceramic rollers and four grinding wheels can be improved;
The clamping assembly comprises a hollow plate disc coaxially arranged with the inner sliding ring, three swinging plates rotationally connected with the hollow plate disc are uniformly distributed at the end part of the hollow plate disc along the circumferential direction, the swinging ends of the three swinging plates extend to the middle part of the hollow plate disc, and the three swinging plates are synchronously rotationally arranged,
The swinging ends of the three swinging plates are fixedly provided with rubber columns which are horizontally arranged, and when the three swinging plates swing synchronously, the circle surrounded by the three rubber columns is always coaxial with the hollow plate disc.
As an optimized scheme, one end of the inner sliding ring is uniformly distributed with four sliding plates which are in sliding connection with the inner sliding ring along the circumferential direction of the inner sliding ring, the four sliding plates are synchronously arranged in opposite directions or in relative sliding manner, the opposite ends of the four sliding plates are respectively provided with a protection component, the four grinding wheels are respectively and rotatably arranged on the four protection components,
The protection component can protect the grinding wheel and prevent the grinding wheel from being damaged due to excessive sintering residues at the local position of the surface of the silicon carbide ceramic roller.
As an optimized scheme, the protection component comprises a U-shaped plate with an opening end facing the silicon carbide ceramic roller rod, two ends of the grinding wheel are correspondingly connected with the relative inner wall of the U-shaped plate in a rotating mode, one end of the sliding plate, located in the middle of the inner sliding ring, is fixedly provided with a connecting plate, and the connecting plate is in sliding connection with the U-shaped plate.
As an optimized scheme, four limiting plates fixedly connected with the limiting plates are uniformly distributed at the other end of the inner sliding ring along the circumferential direction, the four limiting plates extend out of the inner sliding ring, driven racks are fixedly connected to the side walls of the four sliding plates, driven gears which are rotatably arranged along the horizontal line are arranged on the limiting plates, and the four driven gears are correspondingly meshed with the four driven racks.
As an optimized scheme, the inner sliding ring is sleeved with an outer sliding ring which is coaxially arranged with the inner sliding ring, the four limiting plates are fixedly connected with the outer sliding ring, the inner wall of the outer sliding ring is rotatably provided with an inner gear ring which is coaxially arranged with the outer sliding ring, and the four driven gears are meshed with the inner gear ring.
As an optimized scheme, the two hollow plate discs are arranged in a synchronous and periodic reciprocating rotation mode along the axis of the hollow plate discs, the outer sliding rings are arranged in a horizontal reciprocating sliding mode, the hollow plate discs drive the silicon carbide ceramic roller to rotate in a reciprocating mode when rotating in a reciprocating mode, and the grinding wheels are driven to slide in a horizontal reciprocating mode in the horizontal reciprocating sliding mode of the outer sliding rings, and then the silicon carbide ceramic roller is polished automatically.
As an optimized scheme, the cleaning component is arranged on the protection box, powder on the surface of the silicon carbide ceramic roller and in the device can be cleaned through the cleaning component,
The cleaning component comprises a gas distribution box horizontally arranged on the inner wall of the protection box, a plurality of lower air nozzles communicated with the inner cavity of the gas distribution box are horizontally arranged at the end part of the gas distribution box in parallel, the air nozzles of the lower air nozzles are obliquely arranged towards the inner bottom of the protection box,
A discharging square pipe which is arranged opposite to the air distribution box is also fixedly arranged on one inner wall of the protection box, the inner bottom of the discharging square pipe is level with the inner bottom of the protection box, one port of the discharging square pipe penetrates through the protection box and extends to the outside,
When the lower air nozzle blows air to the bottom in the protection box, powder at the bottom in the protection box can be cleaned to the outside of the protection box through the square discharging pipe for collection.
As an optimized scheme, the opposite inner walls of the protection box are respectively provided with an outer rotating pipe, the opposite ports of the two outer rotating pipes penetrate through the protection box to extend to the outside, the opposite ports of the two outer rotating pipes are correspondingly and coaxially fixedly connected with the two hollow plate discs,
Four upper air nozzles which are oppositely arranged are fixedly arranged on one side wall of the protection box, the four upper air nozzles are uniformly distributed on the periphery of the outer rotating pipe, and the four air nozzles of the upper air nozzles extend into the outer rotating pipe and are obliquely arranged towards the protection box.
As an optimized scheme, the top of the protection box is fixedly provided with an air pump, the air outlet of the air pump is communicated with the air distribution box and the four upper air nozzles through a communicating pipe,
The port of the discharge square pipe outside the protection box is a sealing arrangement, a discharge hopper communicated with the inner cavity of the discharge square pipe is fixedly arranged at the bottom of the discharge square pipe, and a collecting box is arranged below the discharge hopper.
As an optimized scheme, the opposite side walls of the protection box are respectively provided with a feeding component, the silicon carbide ceramic roller can be conveniently conveyed through the feeding components,
The feeding assembly comprises an arc plate which is vertically lifted, a plurality of rotating wheels which are arranged in a rotating mode are uniformly distributed on the inner wall of the arc plate along the circumferential direction of the arc plate, and when the silicon carbide ceramic roller is conveyed, the arc plate is lifted to the position that the rotating wheels are propped against the surface of the silicon carbide ceramic roller to push the silicon carbide ceramic roller to convey the silicon carbide ceramic roller.
Compared with the prior art, the invention has the beneficial effects that:
1. The coaxiality of a circle surrounded by the silicon carbide ceramic roller and the four grinding wheels can be improved through the clamping assembly, so that the polishing effect on the silicon carbide ceramic roller is improved;
2. The inner gear ring can be driven to rotate when the driving gear rotates, so that the four driven gears are driven to synchronously rotate, and the four driven racks and the four grinding wheels are driven to synchronously face each other or slide relatively, so that the adjusting procedure of the grinding wheels is simplified, the contact degree of each grinding wheel and the silicon carbide ceramic roller is consistent, and the polishing effect on the silicon carbide ceramic roller is further improved;
3. The clamping assembly can also clamp silicon carbide ceramic rollers with different specifications, and under the cooperation of four grinding wheels which synchronously face each other or slide relatively, the silicon carbide ceramic rollers with different specifications can be polished, so that the practicability of the device is improved;
4. Powder inside the device and on the surface of the silicon carbide ceramic roller can be quickly cleaned through the cleaning assembly, so that the labor intensity of operators is reduced, and the processing efficiency is improved;
5. The motor forward and backward rotation time delay controller controls the third forward and backward rotation motor to periodically reciprocate, so that the two hollow plate discs and the silicon carbide ceramic roller bars are driven to periodically reciprocate, and meanwhile, the servo motor drives the reciprocating screw rod to rotate, so that the moving block, the outer sliding circular ring and the four grinding wheels are driven to horizontally reciprocate, and therefore the silicon carbide ceramic roller bars are automatically polished, the automation degree of the device is improved, and the operation procedures of operators are reduced;
6. Can protect the grinding wheel through protection component, prevent to lead to causing the damage to the grinding wheel because of the sintering residual material is too much in the local position on carborundum ceramic roller surface, can be convenient for carry carborundum ceramic roller through feeding assembly, further improved the practicality of device.
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. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a protection component according to the present invention;
FIG. 3 is a schematic diagram of a moving block according to the present invention;
FIG. 4 is a schematic structural view of a limiting plate according to the present invention;
FIG. 5 is a schematic view of a clamping assembly according to the present invention;
FIG. 6 is a schematic view of a feed assembly of the present invention;
FIG. 7 is a schematic view of a cleaning assembly according to the present invention;
fig. 8 is a schematic structural view of the rotor of the present invention.
In the figure: 1-a clamping assembly; 2-a protection box; 3-an outer sliding ring; 4-sliding the ring; 5-cleaning the assembly; 6-silicon carbide ceramic roller; 7-grinding wheels; 8-a limit column; 9-connecting plates; 10-compressing a spring; 11-a protection component; 12-U-shaped plates; 13-controlling the motor; 14-an outer rotating tube; 15-a reciprocating screw rod; 16-limit rods; 17-driven rack; 18-a driven gear; 19-a sliding plate; 20-an inner gear ring; 21-a drive gear; 22-a first forward and reverse rotation motor; 23-moving blocks; 24-moving plate; 25-fixing plates; 26-limiting plates; 27-a control gear; 28-an outer toothed ring; 29-hollow plate discs; 30-a rubber column; 31-swinging plate; 32-fixing the ring; 33-rotating square tubes; 34-rotating the tube; 35-a single-tooth screw rod; 36-rotating the block; 37-a fixed block; 38-rotating plate; 39-a second reversible motor; 40-discharging hoppers; 41-discharging square pipes; 42-an air pump; 43-communicating pipe; 44-a support plate; 45-upper air nozzles; 46-an air distribution box; 47-lower air nozzle; 48-arc plate; 49-rotating wheel; 50-positioning plates; 51-a servo motor; 52-a telescopic cylinder; 53-a feeding assembly; 54-a third forward and reverse rotation motor; 55-a motor forward and backward rotation delay controller; 56-a driven shaft; 57-collection box.
Detailed Description
Embodiments of the technical scheme of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and thus are merely examples, and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 8, the polishing device for repairing the surface of the silicon carbide ceramic comprises a protection box 2 which is fixedly arranged, wherein a vertically placed inner sliding ring 4 is arranged in the protection box 2, four grinding wheels 7 which are rotationally arranged along a horizontal line are uniformly distributed on the inner wall of the inner sliding ring 4 along the circumferential direction of the inner sliding ring, the four grinding wheels 7 are also slidingly arranged along the radial direction of the inner sliding ring 4,
The clamping assemblies 1 are arranged on the opposite inner walls of the protection box 2, so that clamping of silicon carbide ceramic rollers 6 with different specifications can be realized through the clamping assemblies 1, and the coaxiality of a circle surrounded by the silicon carbide ceramic rollers 6 and four grinding wheels 7 can be improved;
the clamping assembly 1 comprises a hollow plate disc 29 coaxially arranged with the inner sliding ring 4, three swinging plates 31 rotationally connected with the hollow plate disc 29 are uniformly distributed at the end part of the hollow plate disc 29 along the circumferential direction, the swinging ends of the three swinging plates 31 extend to the middle part of the hollow plate disc 29, and the three swinging plates 31 are synchronously rotationally arranged,
The swinging ends of the three swinging plates 31 are fixedly provided with rubber columns 30 which are horizontally arranged, and a circle surrounded by the three rubber columns 30 is always coaxial with the hollow plate disc 29 when the three swinging plates 31 swing synchronously.
One end of the inner sliding ring 4 is uniformly distributed with four sliding plates 19 which are in sliding connection with the inner sliding ring along the circumferential direction, the four sliding plates 19 are synchronously arranged in opposite directions or are arranged in a sliding manner, the opposite ends of the four sliding plates 19 are respectively provided with a protection component 11, the four grinding wheels 7 are respectively and rotatably arranged on the four protection components 11,
The four grinding wheels 7 slide synchronously and oppositely, so that the adjusting process can be simplified, the contact degree of the four grinding wheels 7 and the silicon carbide ceramic roller 6 can be ensured to be consistent,
The protection component 11 can protect the grinding wheel 7 and prevent the grinding wheel 7 from being damaged due to excessive sintering residues at the local positions of the surface of the silicon carbide ceramic roller 6.
The protection subassembly 11 includes U template 12 that open end orientation carborundum ceramic roller 6 set up, and the both ends of grinding miller 7 correspond to be connected with the relative inner wall rotation of U template 12, and the one end that slide plate 19 is located the middle part position of interior slip ring 4 is fixed to be equipped with connecting plate 9, connecting plate 9 and U template 12 sliding connection.
A plurality of limit posts 8 which are in sliding connection with the connecting plate 9 are inserted on the connecting plate 9, the limit posts 8 are fixedly connected with the U-shaped plate 12, compression springs 10 are sleeved on the limit posts 8, and two ends of each compression spring 10 correspondingly abut against the U-shaped plate 12 and the limit plate 26.
The other end of the inner sliding ring 4 is uniformly distributed with four limiting plates 26 fixedly connected with the inner sliding ring 4 along the circumferential direction, the four limiting plates 26 extend out of the inner sliding ring 4, driven racks 17 are fixedly connected to the side walls of the four sliding plates 19, driven gears 18 which are rotatably arranged along the horizontal line are arranged on the four limiting plates 26, and the four driven gears 18 are correspondingly meshed with the four driven racks 17.
The inner sliding ring 4 is sleeved with an outer sliding ring 3 coaxially arranged with the inner sliding ring, four limiting plates 26 are fixedly connected with the outer sliding ring 3, an inner gear ring 20 coaxially arranged with the outer sliding ring 3 is rotatably arranged on the inner wall of the outer sliding ring 3, and four driven gears 18 are meshed with the inner gear ring 20.
The other end of the inner sliding ring 4 is also fixedly provided with a fixed plate 25, and one end of the fixed plate 25 is rotatably provided with a driving gear 21 meshed with the inner gear ring 20 along a horizontal line.
The four sliding plates 19 are all in sliding connection with the outer sliding circular ring 3, T-shaped sliding plates are fixedly connected to the four sliding plates 19, and T-shaped sliding grooves matched with the T-shaped sliding plates are formed in the inner sliding circular ring 4 and the outer sliding circular ring 3.
The outer wall of the U-shaped plate 12 is fixedly provided with a control motor 13, and the output end of the control motor 13 penetrates through the U-shaped plate 12 and is fixedly connected with the grinding wheel 7.
The other end of the fixed plate 25 is fixedly provided with a first forward and backward motor 22, and the output end of the first forward and backward motor 22 passes through the fixed plate 25 and is fixedly connected with the driving gear 21.
An inner rotary pipe 34 coaxially arranged with the hollow plate disc 29 is rotatably arranged on the inner wall of the hollow plate disc 29, one end of the inner rotary pipe 34 extends out of the hollow plate disc 29 and is fixedly sleeved with a fixed circular ring 32,
One end of the fixed ring 32 is uniformly provided with three rotating square pipes 33 which are rotationally connected with the fixed ring along the circumferential direction, and the three rotating square pipes 33 are correspondingly sleeved on the three swinging plates 31 and are in sliding connection with the swinging plates 31.
A fixed block 37 is fixedly connected on the outer wall of the fixed ring 32, a rotating block 36 which is rotatably arranged along a horizontal line is arranged at the end part of the fixed block 37,
One end of the hollow plate disc 29 is also rotatably provided with a rotary plate 38, a second positive and negative rotating motor 39 is fixedly arranged on the rotary plate 38, a single-tooth screw rod 35 is fixedly connected to the output end of the second positive and negative rotating motor 39, and one end of the single-tooth screw rod 35 penetrates through the rotary block 36 and is in threaded connection with the rotary block 36.
The two hollow plate discs 29 are arranged along the axis of the hollow plate discs in a synchronous and periodic reciprocating rotation mode, the outer sliding circular rings 3 are also arranged in a horizontal reciprocating sliding mode, the hollow plate discs 29 drive the silicon carbide ceramic roller rods 6 to rotate in a reciprocating mode when rotating in a reciprocating mode, the grinding wheels 7 are driven to slide in a horizontal reciprocating mode in the process of the outer sliding circular rings 3, and then automatic polishing and grinding are conducted on the silicon carbide ceramic roller rods 6.
The outer rotating pipes 14 which are arranged along the horizontal line in a rotating way are arranged on the opposite inner walls of the protection box 2, the opposite ports of the two outer rotating pipes 14 extend to the outside through the protection box 2, and the opposite ports of the two outer rotating pipes 14 are correspondingly and coaxially fixedly connected with the two hollow plate discs 29.
The two hollow plate discs 29 are fixedly sleeved with outer gear rings 28, control gears 27 which are rotatably arranged along a horizontal line are respectively arranged on the opposite inner walls of the protection box 2, and the two control gears 27 are correspondingly meshed with the two outer gear rings 28.
One end of one control gear 27 is coaxially and fixedly connected with a driven shaft 56, one end of the driven shaft 56 is coaxially and fixedly connected with the other control gear 27,
The outer wall of the protection box 2 is fixedly provided with a third forward and reverse rotation motor 54, and the output end of the third forward and reverse rotation motor 54 passes through the protection box 2 and is fixedly connected with one of the control gears 27.
The outer wall of the protection box 2 is also fixedly provided with a motor forward and reverse rotation time delay controller 55, and the motor forward and reverse rotation time delay controller 55 can control the third forward and reverse rotation motor 54 to perform periodical forward and reverse rotation.
The protection box 2 is internally provided with a moving block 23 in a horizontal reciprocating sliding manner, and the moving block 23 is fixedly connected with the outer sliding circular ring 3 through a moving plate 24.
The protection box 2 is internally provided with a reciprocating screw rod 15 which is rotationally arranged along a horizontal line, and one end of the reciprocating screw rod 15 passes through the moving block 23 and is in threaded connection with the moving block 23.
Two limiting rods 16 are horizontally arranged in the protection box 2, and the two limiting rods 16 respectively penetrate through the moving block 23 and are in sliding connection with the moving block 23.
The two ends of the reciprocating screw rod 15 are correspondingly and rotatably connected with the opposite inner walls of the protection box 2, and the two ends of the two limiting rods 16 are correspondingly and fixedly connected with the opposite inner walls of the protection box 2.
A servo motor 51 is fixedly arranged on the side wall of the protection box 2, and the output end of the servo motor 51 penetrates through the protection box 2 and is fixedly connected with the reciprocating screw rod 15.
The protection box 2 is provided with a cleaning component 5, powder on the surface of the silicon carbide ceramic roller 6 and in the device can be cleaned through the cleaning component 5,
The cleaning component 5 comprises a gas distribution box 46 horizontally arranged on the inner wall of the protection box 2, a plurality of lower air nozzles 47 communicated with the inner cavity of the gas distribution box 46 are horizontally arranged at the end part of the gas distribution box 46 in parallel, the air nozzles of the lower air nozzles 47 are all obliquely arranged towards the inner bottom of the protection box 2,
A discharging square pipe 41 which is arranged opposite to the air distribution box 46 is also fixedly arranged on one inner wall of the protection box 2, the inner bottom of the discharging square pipe 41 is flush with the inner bottom of the protection box 2, one port of the discharging square pipe 41 passes through the protection box 2 to extend to the outside,
When the lower air nozzle 47 blows air to the inner bottom of the protection box 2, powder at the inner bottom of the protection box 2 can be cleaned to the outside of the protection box 2 through the square discharging pipe for collection.
Four upper air nozzles 45 which are oppositely arranged are fixedly arranged on one side wall of the protection box 2, the four upper air nozzles 45 are uniformly distributed on the periphery of the outer rotary pipe 14, the air nozzles of the four upper air nozzles 45 extend into the outer rotary pipe 14 and are obliquely arranged towards the protection box 2,
When the silicon carbide ceramic roller 6 is conveyed outwards, the upper air nozzle 45 blows air and cleans powder on the surface of the upper air nozzle.
The top of the protection box 2 is fixedly provided with an air pump 42, and the air outlet of the air pump 42 is communicated with an air distribution box 46 and four upper air nozzles 45 through a communicating pipe 43.
The port of the square discharging tube 41 outside the protection box 2 is provided with a seal, the bottom of the square discharging tube 41 is fixedly provided with a discharging hopper 40 communicated with the inner cavity of the square discharging tube, and a collecting box 57 is arranged below the discharging hopper 40.
Four supporting plates 44 are fixedly connected to one side wall of the protection box 2, the four supporting plates 44 are uniformly distributed around the outer rotary tube 14, and four upper air nozzles 45 are correspondingly and fixedly connected with the four supporting plates 44.
The opposite side walls of the protection box 2 are respectively provided with a feeding component 53, the silicon carbide ceramic roller rod 6 can be conveniently conveyed by the feeding components 53,
The feeding component 53 comprises an arc plate 48 which is vertically lifted, a plurality of rotating wheels 49 which are arranged in a rotating way are uniformly distributed on the inner wall of the arc plate 48 along the circumferential direction of the arc plate, and when the silicon carbide ceramic roller 6 is conveyed, the arc plate 48 is lifted to the rotating wheels 49 to abut against the surface of the silicon carbide ceramic roller 6 so as to push the silicon carbide ceramic roller 6 to convey the silicon carbide ceramic roller.
The opposite side walls of the protection box 2 are fixedly connected with positioning plates 50, the positioning plates 50 are fixedly connected with telescopic cylinders 52, and the telescopic ends of the two telescopic cylinders 52 are correspondingly and fixedly connected with the two arc plates 48.
The working principle of the device is as follows:
When the silicon carbide ceramic roller 6 is placed in the device, the two telescopic cylinders 52 are prolonged to drive the two arc plates 48 to ascend, when the arc plates 48 ascend to a required position, one end of the silicon carbide ceramic roller 6 is placed on one of the arc plates 48, a part of rotating wheels 49 on the arc plates 48 are propped against the silicon carbide ceramic roller 6 to push the silicon carbide ceramic roller 6 inwards, the silicon carbide ceramic roller 6 moves inwards in the device under the cooperation of the rotating wheels 49, and similarly, when the polishing position of the silicon carbide ceramic roller 6 needs to be replaced or the silicon carbide ceramic roller 6 is conveyed out of the device, the operation is repeated, so that the function of conveniently conveying the silicon carbide ceramic roller 6 is realized;
When the silicon carbide ceramic roller 6 is clamped, the second forward and backward rotating motor 39 rotates positively and drives the single-tooth screw rod 35 to rotate, so that the rotating block 36 and the fixed block 37 are controlled to rotate in a direction away from the rotating plate 38, the fixed block 37 drives the lower fixed circular ring 32 and the inner rotating pipe 34 to rotate, and further drives the three rotating square pipes 33 to rotate, and the three swinging plates 31 and the three rubber columns 30 move towards the middle position of the hollow plate disc 29 under the driving of the three rotating square pipes 33 until the three rubber columns 30 are propped against the silicon carbide ceramic roller 6, and in the same way, the three rubber columns 30 at the other end of the protection box 2 are propped against the silicon carbide ceramic roller 6, and at the moment, the silicon carbide ceramic roller 6 is coaxial with a circle surrounded by the four grinding wheels 7, so that the function of improving the coaxiality of the silicon carbide ceramic roller 6 and the circle surrounded by the four grinding wheels 7 is realized, and the polishing effect on the silicon carbide ceramic roller 6 is improved;
When the four grinding wheels 7 are adjusted, the first positive and negative rotation driving motor drives the driving gear 21 and the inner gear ring 20 to rotate positively and further drives the four driven gears 18 to rotate synchronously, so that the four driven racks 17 and the four sliding plates 19 are controlled to slide synchronously and oppositely, the four grinding wheels 7 slide relatively under the driving of the sliding plates 19 until the four grinding wheels 7 are propped against the surface of the silicon carbide ceramic roller 6, the adjusting process of the grinding wheels 7 is simplified, the function that the contact degree of each grinding wheel 7 and the silicon carbide ceramic roller 6 is consistent is realized, and the polishing effect of the silicon carbide ceramic roller 6 is further improved;
When the silicon carbide ceramic roller 6 is polished, the third forward and backward rotating motor 54 is matched with the forward and backward rotating time delay controller 55 to perform periodic reciprocating rotation, so that the two control gears 27 are controlled to perform periodic reciprocating rotation, the two outer tooth rings 28 and the two hollow plate discs 29 are driven to perform periodic reciprocating rotation, the silicon carbide ceramic roller 6 is driven by the two hollow plate discs 29 to perform periodic reciprocating rotation, meanwhile, the motor 13 is controlled to drive the grinding wheel 7 to rotate, the servo motor 51 drives the reciprocating screw rod 15 to rotate, the moving block 23 is matched with the limiting rod 16 to perform horizontal reciprocating sliding, and then the moving plate 24, the outer sliding circular ring 3, the inner sliding circular ring 4 and the four grinding wheels 7 are driven to perform horizontal reciprocating sliding, the four grinding wheels 7 perform automatic polishing on the silicon carbide ceramic roller 6, the automation degree of the device is improved, and the operation procedures of operators are reduced;
During polishing, when polishing is performed on the position, where sintering residues exist, of the surface of the silicon carbide ceramic roller 6, the grinding wheel 7 and the sintering residues are extruded, so that the grinding wheel 7 and the U-shaped plate 12 slide outwards along the radial direction of the inner sliding ring 4, the compression spring 10 is compressed to protect the grinding wheel 7, damage to the grinding wheel 7 caused by excessive sintering residues at the local position of the surface of the silicon carbide ceramic roller 6 is prevented, and the service life of the grinding wheel 7 is prolonged;
After polishing and grinding the silicon carbide ceramic roller 6, the first forward and reverse rotating motor 22 reversely rotates, the four grinding wheels 7 are separated from the silicon carbide ceramic roller 6, the two second forward and reverse rotating motors 39 reversely rotate, the rubber columns 30 on the two hollow plate discs 29 are separated from the silicon carbide ceramic roller 6, the silicon carbide ceramic roller 6 moves downwards and is propped against the rotating wheels 49 on the arc plates 48, the air pump 42 is started, the air pump 42 conveys air into the air distribution box 46 and the upper air nozzles 45 through the communicating pipes 43, the upper air nozzles 45 blow air to the surface of the silicon carbide ceramic roller 6, so that powder on the surface of the silicon carbide ceramic roller 6 is cleaned, the silicon carbide ceramic roller 6 is pushed to clean the powder on the surface of the silicon carbide ceramic roller 6, and the air in the air distribution box 46 is sprayed out through the lower air nozzles 47, so that the powder on the inner bottom of the air distribution box 2 is cleaned through the discharge square pipes 41 and the discharge hoppers 40, the powder is collected into the collection box 57, the rapid powder cleaning function is realized, the powder cleaning efficiency is reduced, and the processing efficiency is improved;
Through the position of the rubber column 30 on the adjusting hollow plate disc 29, the silicon carbide ceramic roller 6 with different specifications can be clamped, the clamped silicon carbide ceramic roller 6 is always coaxial with the circle surrounded by the four grinding wheels 7, and the silicon carbide ceramic roller 6 with different specifications can be polished by adjusting the relative positions of the four grinding wheels 7, so that the practicability of the device is improved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the 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 scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description.
Claims (10)
1. A throw grinding device for silicon carbide ceramic surface repair, its characterized in that: the grinding device comprises a protection box (2) which is fixedly arranged, wherein an inner sliding ring (4) which is vertically arranged is arranged in the protection box (2), four grinding wheels (7) which are rotationally arranged along a horizontal line are uniformly distributed on the inner wall of the inner sliding ring (4) along the circumferential direction of the inner sliding ring, the four grinding wheels (7) are also arranged along the radial sliding of the inner sliding ring (4), and clamping assemblies (1) are arranged on the opposite inner walls of the protection box (2);
The clamping assembly (1) comprises a hollow plate disc (29) coaxially arranged with the inner sliding ring (4), three swinging plates (31) rotationally connected with the hollow plate disc (29) are uniformly distributed at the end part of the hollow plate disc (29) along the circumferential direction, the swinging ends of the three swinging plates (31) extend to the middle part of the hollow plate disc (29), and the three swinging plates (31) are synchronously rotationally arranged,
The swinging ends of the three swinging plates (31) are fixedly provided with rubber columns (30) which are horizontally arranged, and a circle surrounded by the three rubber columns (30) is always coaxial with the hollow plate disc (29) when the three swinging plates (31) swing synchronously.
2. A polishing device for silicon carbide ceramic surface repair according to claim 1, wherein: one end of the inner sliding ring (4) is uniformly distributed with four sliding plates (19) which are in sliding connection with the sliding plates along the circumferential direction of the inner sliding ring, the four sliding plates (19) are arranged in a synchronous opposite or opposite sliding mode, the opposite end parts of the four sliding plates (19) are respectively provided with a protection component (11), and the four grinding wheels (7) are respectively and rotatably arranged on the four protection components (11).
3. A polishing device for silicon carbide ceramic surface repair according to claim 2, wherein: the protection assembly (11) comprises a U-shaped plate (12) with an opening end facing the silicon carbide ceramic roller (6), two ends of the grinding wheel (7) are correspondingly connected with the relative inner wall of the U-shaped plate (12) in a rotating mode, one end of the sliding plate (19) located in the middle of the inner sliding ring (4) is fixedly provided with a connecting plate (9), and the connecting plate (9) is in sliding connection with the U-shaped plate (12).
4. A polishing device for silicon carbide ceramic surface repair according to claim 2, wherein: four limiting plates (26) fixedly connected with the limiting plates are uniformly distributed at the other end of the inner sliding ring (4) along the circumferential direction, the four limiting plates (26) extend out of the inner sliding ring (4), driven racks (17) are fixedly connected to the side walls of the four sliding plates (19), driven gears (18) which are arranged along the horizontal line in a rotating mode are arranged on the limiting plates (26), and the four driven gears (18) are meshed with the four driven racks (17) correspondingly.
5. The polishing device for repairing the surface of the silicon carbide ceramic according to claim 4, wherein: the inner sliding ring (4) is sleeved with an outer sliding ring (3) coaxially arranged with the inner sliding ring, four limiting plates (26) are fixedly connected with the outer sliding ring (3), an inner gear ring (20) coaxially arranged with the outer sliding ring (3) is rotatably arranged on the inner wall of the outer sliding ring (3), and four driven gears (18) are meshed with the inner gear ring (20).
6. A polishing device for repairing a silicon carbide ceramic surface according to claim 5, wherein: the two hollow plate discs (29) are arranged along the axis of the hollow plate discs in a synchronous and periodic reciprocating rotation mode, the outer sliding circular rings (3) are arranged in a horizontal reciprocating sliding mode, the hollow plate discs (29) drive the silicon carbide ceramic roller rods (6) to rotate in a reciprocating mode when rotating in a reciprocating mode, and the outer sliding circular rings (3) drive the grinding wheels (7) to slide in a horizontal reciprocating mode in a reciprocating mode, and then the silicon carbide ceramic roller rods (6) are polished automatically.
7. A polishing device for silicon carbide ceramic surface repair according to claim 1, wherein: the cleaning assembly (5) is arranged on the protection box (2), the cleaning assembly (5) comprises a gas distribution box (46) horizontally arranged on the inner wall of the protection box (2), a plurality of lower air nozzles (47) communicated with the inner cavity of the gas distribution box (46) are horizontally arranged at the end part of the gas distribution box (46) in parallel, the air nozzles of the lower air nozzles (47) are all obliquely arranged towards the inner bottom of the protection box (2),
The air distribution box is characterized in that a discharge square pipe (41) which is arranged opposite to the air distribution box (46) is further fixedly arranged on one inner wall of the protection box (2), the inner bottom of the discharge square pipe (41) is flush with the inner bottom of the protection box (2), and one port of the discharge square pipe (41) penetrates through the protection box (2) and extends to the outside.
8. A polishing device for repairing a silicon carbide ceramic surface according to claim 7, wherein: the opposite inner walls of the protection box (2) are respectively provided with an outer rotating pipe (14), the opposite ports of the two outer rotating pipes (14) penetrate through the protection box (2) to extend to the outside, the opposite ports of the two outer rotating pipes (14) are correspondingly and coaxially fixedly connected with the two hollow plate discs (29),
Four upper air nozzles (45) which are oppositely arranged are fixedly arranged on one side wall of the protection box (2), the four upper air nozzles (45) are uniformly distributed around the outer rotary pipe (14), and the air nozzles of the four upper air nozzles (45) extend into the outer rotary pipe (14) and are obliquely arranged towards the protection box (2).
9. A polishing device for repairing a silicon carbide ceramic surface according to claim 8, wherein: an air pump (42) is fixedly arranged at the top of the protection box (2), an air outlet of the air pump (42) is communicated with an air distribution box (46) and four upper air nozzles (45) through a communicating pipe (43),
The port of the discharge square tube (41) positioned outside the protection box (2) is a seal, a discharge hopper (40) communicated with the inner cavity of the discharge square tube (41) is fixedly arranged at the bottom of the discharge square tube, and a collecting box (57) is arranged below the discharge hopper (40).
10. A polishing device for silicon carbide ceramic surface repair according to claim 1, wherein: the feeding device is characterized in that feeding assemblies (53) are arranged on the opposite side walls of the protection box (2), each feeding assembly (53) comprises an arc-shaped plate (48) which is vertically lifted, and a plurality of rotating wheels (49) which are arranged in a rotating mode are uniformly distributed on the inner wall of each arc-shaped plate (48) along the circumferential direction of each arc-shaped plate.
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| CN202410370442.9A CN117961757A (en) | 2024-03-29 | 2024-03-29 | Polishing and grinding device for repairing surface of silicon carbide ceramic |
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| CN202410370442.9A CN117961757A (en) | 2024-03-29 | 2024-03-29 | Polishing and grinding device for repairing surface of silicon carbide ceramic |
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| CN202410370442.9A Pending CN117961757A (en) | 2024-03-29 | 2024-03-29 | Polishing and grinding device for repairing surface of silicon carbide ceramic |
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