CN113043137A - Secondary grinding device for green silicon carbide sander - Google Patents

Secondary grinding device for green silicon carbide sander Download PDF

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Publication number
CN113043137A
CN113043137A CN202110233081.XA CN202110233081A CN113043137A CN 113043137 A CN113043137 A CN 113043137A CN 202110233081 A CN202110233081 A CN 202110233081A CN 113043137 A CN113043137 A CN 113043137A
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China
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fixedly connected
transmission shaft
transmission
wheel
driving wheel
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CN202110233081.XA
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Chinese (zh)
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CN113043137B (en
Inventor
吴小莲
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Dongguan Kangbai Industrial Ceramics Co ltd
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Individual
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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
    • 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
    • B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
    • 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
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
    • 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
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/02—Frames; Beds; Carriages
    • 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
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • 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
    • B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
    • B24B47/04—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by mechanical gearing only
    • 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
    • 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
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/04—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

The invention relates to the field of silicon carbide, in particular to a secondary grinding device of a green silicon carbide grinder. The technical problem is as follows: a secondary polishing device for a green silicon carbide polisher is provided. The technical scheme of the invention is as follows: a secondary polishing device for a green silicon carbide polisher comprises a fixing frame, a conveying mechanism, an edge polishing mechanism and a central polishing mechanism; the fixed frame is connected with the conveying mechanism; the fixed frame is connected with the edge polishing mechanism; the fixed frame is connected with the central part polishing mechanism; the conveying mechanism is connected with the edge polishing mechanism; the conveying mechanism is connected with the central part polishing mechanism. The invention can effectively polish all surfaces of the green silicon carbide sander, and can also polish the joint of the metal rod of the green silicon carbide sander and the cylindrical polishing head, thereby effectively solving the problems generated during the production of the green silicon carbide sander.

Description

Secondary grinding device for green silicon carbide sander
Technical Field
The invention relates to the field of silicon carbide, in particular to a secondary grinding device of a green silicon carbide grinder.
Background
Silicon carbide is an inorganic substance, has a chemical formula of SiC, and is prepared by smelting quartz sand, petroleum coke, wood dust and other raw materials in a resistance furnace at high temperature. Silicon carbide also has a rare mineral in nature, morusite. Among the non-oxide high-tech refractory materials such as C, N, B, silicon carbide is the most widely used and economical one, and may be called as corundum or refractory sand. Silicon carbide has four major application areas, namely: functional ceramics, high-grade refractory materials, grinding materials and metallurgical raw materials. As an abrasive, the product can be used as an abrasive tool, such as a grinding wheel, an oilstone, a grinding head, a sand tile and the like. Used as a metallurgical deoxidizer and a high-temperature resistant material. The single crystal of high purity can be used for producing semiconductors and silicon carbide fibers.
Silicon carbide is when being regarded as the abrasive material, there is a kind of sander can be made to green silicon carbide, the device of the common usefulness of polishing in this sander in a life, because at the bottom of its cost, the effect of polishing is good, consequently by extensive motion, however, in the in-process of producing it at prior art, because prior art's own weak point, make the self of sander after the production is accomplished level and smooth inadequately, and the metal bar of sander and the junction of cylindrical head of polishing often can produce the problem that the raw materials spills over, be promptly also level and inadequately, because be the junction position, consequently probably because the problem that the raw materials spilled over leads to phenomenons such as fracture, thereby cause the scrapping of sander.
Therefore, a device which can effectively polish all surfaces of the polisher and can clean and then polish raw materials overflowing from a joint is needed to solve the problems.
Disclosure of Invention
In order to overcome the self of production completion back sander and level and smooth inadequately to the junction of the metal rod of sander and cylindrical head often can produce the problem that the raw materials spills over, also level and smooth inadequately promptly, owing to be the junction position, consequently probably because the problem that the raw materials spilled over leads to phenomenons such as fracture, thereby causes the condemned shortcoming of sander, the technical problem is: a secondary polishing device for a green silicon carbide polisher is provided.
The technical scheme of the invention is as follows: a secondary polishing device for a green silicon carbide polisher comprises a fixed frame, a controller, a fixing and rotating mechanism, a conveying mechanism, an edge polishing mechanism and a central polishing mechanism; the fixed frame is connected with the controller; the fixed frame is connected with the conveying mechanism; the fixed frame is connected with the edge polishing mechanism; the fixed frame is connected with the central part polishing mechanism; a fixing and rotating mechanism is arranged on the side surface of the controller; the fixed and rotating mechanism is connected with the conveying mechanism; the conveying mechanism is connected with the edge polishing mechanism; the conveying mechanism is connected with the central part polishing mechanism.
Further, the fixing and rotating mechanism comprises a first connecting plate, a U-shaped connecting frame, a first transmission shaft, a cylindrical connecting column, a hollow cylindrical protective body, a first spring device, a second spring device, an arc-shaped fixing plate, a simulated green silicon carbide sander, a first transmission wheel, a second transmission shaft, a third transmission wheel, a fourth transmission wheel, a fifth transmission wheel, a sixth transmission wheel and a first flat gear; the first connecting plate is connected with the conveying mechanism; the first connecting plate is fixedly connected with the U-shaped connecting frame; the first connecting plate is simultaneously in rotating connection with the first transmission shaft and the second transmission shaft; the U-shaped connecting frame is simultaneously in rotating connection with the first transmission shaft and the second transmission shaft; the first transmission shaft is fixedly connected with the quasi-cylindrical connecting column; the first transmission shaft is fixedly connected with the first transmission wheel; the first transmission shaft is fixedly connected with the first flat gear; the quasi-cylindrical connecting column is fixedly connected with the hollow cylindrical protective body; the quasi-cylindrical connecting column is contacted with the simulated green silicon carbide sander; the hollow cylindrical protective body is fixedly connected with the first spring device and the second spring device at the same time; the first spring device and the second spring device are fixedly connected with the arc-shaped fixing plate at the same time; the first spring devices, the second spring devices and the arc-shaped fixing plates are arranged in the hollow cylindrical protection body in an annular array manner, and three groups are arranged in the hollow cylindrical protection body; four groups of the quasi-cylindrical connecting columns to the simulated green silicon carbide sander are arranged on the first connecting plate from left to right; the outer ring surface of the first driving wheel is in transmission connection with the second driving wheel through a belt; the second driving wheel is fixedly connected with the second transmission shaft; the second transmission shaft is fixedly connected with a third transmission wheel; the second transmission shaft is fixedly connected with a group of similar cylindrical connecting columns corresponding to the upper part of the second transmission shaft; the second transmission shafts are provided with three groups in total on the first connecting plate, and the position of each group corresponds to the position of the corresponding cylindrical connecting column; the outer ring surface of the third driving wheel is in transmission connection with the fourth driving wheel through a belt; the fourth transmission wheel is fixedly connected with a group of second transmission shafts corresponding to the fourth transmission wheel; the fifth transmission wheel is also fixedly connected with a group of second transmission shafts corresponding to the fifth transmission wheel; the outer ring surface of the fifth driving wheel is in transmission connection with the sixth driving wheel through a belt; the sixth transmission wheel is fixedly connected with a group of second transmission shafts corresponding to the sixth transmission wheel.
Further, the conveying mechanism comprises a motor, a third transmission shaft, a first bevel gear, a seventh transmission wheel, an eighth transmission wheel, a fourth transmission shaft, a ninth transmission wheel, a tenth transmission wheel, a first screw rod, an eleventh transmission wheel, a twelfth transmission wheel, a second screw rod, a first polish rod, a second polish rod, a first sliding sleeve, a second flat gear, a first electric push rod, a third flat gear and a fifth transmission shaft; the motor is fixedly connected with the third transmission shaft through an output shaft; the motor is connected with the fixed frame; the third transmission shaft is rotatably connected with the fixed frame through a connecting block; the third transmission shaft is fixedly connected with the first bevel gear; the third transmission shaft is fixedly connected with a seventh transmission wheel; the first bevel gear is connected with the edge polishing mechanism; the outer ring surface of the seventh driving wheel is in transmission connection with the eighth driving wheel through a belt; the eighth driving wheel is fixedly connected with the fourth transmission shaft; the fourth transmission shaft is connected with the central part polishing mechanism; the fourth transmission shaft is connected with the first sliding sleeve; the fourth transmission shaft is rotatably connected with the fixed frame through a connecting block; a ninth driving wheel is arranged on the side surface of the eighth driving wheel; the outer ring surface of the ninth driving wheel is in transmission connection with the tenth driving wheel through a belt; the ninth driving wheel is fixedly connected with the fifth transmission shaft; the tenth driving wheel is fixedly connected with the first screw rod; the first screw rod is rotatably connected with the fixed frame through a connecting block; the first screw rod is fixedly connected with the first connecting plate through a rod sleeve; the first screw rod is fixedly connected with the eleventh transmission wheel; the outer ring surface of the eleventh driving wheel is in transmission connection with the twelfth driving wheel through a belt; the twelfth driving wheel is fixedly connected with the second screw rod; the second screw rod is rotatably connected with the fixed frame through a connecting block; the second screw rod is fixedly connected with the first connecting plate through a rod sleeve; a first polish rod is arranged on the side surface of the first screw rod; the first polish rod is in sliding connection with the first connecting plate; the first polish rod is connected with the fixing frame through a connecting block; a second polished rod is arranged on the side surface of the second screw rod; the second polish rod is in sliding connection with the first connecting plate; the second polished rod is connected with the fixed frame through a connecting block; the first sliding sleeve is fixedly connected with the second flat gear; the first sliding sleeve is connected with the first electric push rod through a connecting block; the first electric push rod is fixedly connected with the fixed frame through an L-shaped connecting block; the fifth transmission shaft is fixedly connected with the third flat gear; the fifth transmission shaft is rotatably connected with the fixed frame through a connecting block.
Further, the edge grinding mechanism comprises a second bevel gear, a sixth transmission shaft, a thirteenth transmission wheel, a fourteenth transmission wheel, a seventh transmission shaft, a fourth flat gear, a third bevel gear, an eighth transmission shaft, a fifteenth transmission wheel, a sixteenth transmission wheel, a first grinding cleaner, a seventeenth transmission wheel, an eighteenth transmission wheel, a second grinding cleaner, a nineteenth transmission wheel, a twentieth transmission wheel, a third grinding cleaner, a fourth grinding cleaner, a fifth grinding cleaner and a first portal frame; the second bevel gear is meshed with the first bevel gear; the second bevel gear is fixedly connected with the sixth transmission shaft; the sixth transmission shaft is rotatably connected with the fixed frame; the sixth transmission shaft is fixedly connected with the thirteenth transmission wheel; the outer ring surface of the thirteenth driving wheel is in transmission connection with the fourteenth driving wheel through a belt; the fourteenth driving wheel is fixedly connected with the seventh transmission shaft; the seventh transmission shaft is rotatably connected with the fixed frame; the seventh transmission shaft is fixedly connected with the fourth flat gear; a third bevel gear is arranged above the second bevel gear; the third bevel gear is meshed with the first bevel gear; the third bevel gear is fixedly connected with the eighth transmission shaft; the eighth transmission shaft is rotatably connected with the first portal frame through a connecting block; the eighth transmission shaft is fixedly connected with the fifteenth transmission wheel; the outer ring surface of the fifteenth driving wheel is in transmission connection with the sixteenth driving wheel through a belt; the sixteenth driving wheel is fixedly connected with the first polishing cleaner; the first sanding cleaner is fixedly connected with the seventeenth driving wheel; the first grinding cleaner is rotationally connected with the first portal frame; the outer ring surface of the seventeenth driving wheel is in transmission connection with the eighteenth driving wheel through a belt; the eighteenth driving wheel is fixedly connected with the second polishing cleaner; the second polishing cleaner is fixedly connected with the nineteenth transmission wheel; the second polishing cleaner is rotationally connected with the first portal frame; the outer ring surface of the nineteenth driving wheel is in transmission connection with the twentieth driving wheel through a belt; the twentieth driving wheel is fixedly connected with the third polishing cleaner; the third polishing cleaner is rotationally connected with the first portal frame; the first portal frame is fixedly connected with the fourth polishing cleaner and the fifth polishing cleaner through connecting blocks; the left side and the right side of a connecting block between the fourth grinding cleaner and the first portal frame are respectively provided with a group of the fourth grinding cleaner and the fifth grinding cleaner; and two groups; the fourth polishing cleaner and the fifth polishing cleaner are respectively arranged at the left side and the right side of the second polishing cleaner to form a group; the first portal frame is fixedly connected with the fixing frame.
Furthermore, the central part polishing mechanism comprises a fourth bevel gear, a second sliding sleeve, a second electric push rod, a fifth bevel gear, a ninth transmission shaft, a twenty-first transmission wheel, a twenty-second transmission wheel, a tenth transmission shaft, a third bevel gear, a portal frame, a third spring device, a second connecting plate, a third electric push rod, a telescopic arc-shaped polishing knife, an eleventh transmission shaft, a first cam, a second cam, a worm gear, a worm and a waste collection frame; the fourth bevel gear is fixedly connected with the second sliding sleeve; the second sliding sleeve is connected with the third transmission shaft; the second sliding sleeve is connected with a second electric push rod through a connecting block; the second electric push rod is fixedly connected with the fixed frame through a connecting block; a fifth bevel gear is arranged on the side surface of the fourth bevel gear; the fifth bevel gear is fixedly connected with the ninth transmission shaft; the ninth transmission shaft is rotatably connected with the fixed frame; the ninth transmission shaft is fixedly connected with the twenty-first transmission wheel; the outer ring surface of the twenty-first driving wheel is in transmission connection with the twenty-second driving wheel through a belt; the twenty-second driving wheel is fixedly connected with the tenth transmission shaft; the tenth transmission shaft is rotatably connected with the fixed frame; the tenth transmission shaft is fixedly connected with the third flat gear; a portal frame is arranged on the side surface of the third horizontal gear; the portal frame is fixedly connected with the fixed frame; the portal frame is rotationally connected with the eleventh transmission shaft; the portal frame is fixedly connected with the third spring device through a connecting block; the third spring device is fixedly connected with the second connecting plate; the second connecting plate is simultaneously contacted with the first cam and the second cam; the second connecting plate is fixedly connected with the third electric push rod through a connecting block; the third electric push rod is fixedly connected with the telescopic arc-shaped polishing knife through a connecting block; four groups of telescopic arc-shaped grinding knives are arranged on the second connecting plate, the distribution positions of the telescopic arc-shaped grinding knives are respectively one group at the left side and the right side, two groups are arranged in the middle, but the angles between the middle two groups and the left side and the right side are different, namely the middle two groups are fixed at the designated positions on the second connecting plate after the telescopic arc-shaped grinding knives at the two sides rotate for ninety degrees; the eleventh transmission shaft is fixedly connected with the first cam and the second cam simultaneously; the eleventh transmission shaft is fixedly connected with the worm wheel; the worm wheel is meshed with the worm; the worm is fixedly connected with the fourth transmission shaft; the third electric push rod is respectively provided with a group at the left side and the right side of the second connecting plate.
Furthermore, the inner surface of the arc-shaped fixing plate is provided with a convex ball body for increasing friction force.
Further, the outer surfaces of the first polishing cleaner, the second polishing cleaner and the third polishing cleaner are all provided with cleaning brushes.
Furthermore, cylindrical polishing columns are arranged on the fourth polishing cleaner and the fifth polishing cleaner.
Furthermore, the polishing part of the telescopic arc-shaped polishing knife is set to be in a circular arc shape which is matched with the metal rod at the bottom of the simulated green silicon carbide polisher.
The invention has the beneficial effects that: (1) the polishing device has the advantages that the defects that the polishing device is not flat and smooth enough after production is finished, raw materials are prone to overflowing at the joint of a metal rod of the polishing device and a cylindrical polishing head, namely, the polishing device is not flat enough, and due to the position of the joint, cracking and the like are possibly caused due to the overflow of the raw materials, so that the polishing device is scrapped are overcome;
(2) the invention designs a fixing and rotating mechanism, a conveying mechanism, an edge polishing mechanism and a central part polishing mechanism: before the work, the bottom metal rod of the green silicon carbide sander is manually inserted into the fixing and rotating mechanism, the sander is ensured to be fixed, then the fixing and rotating mechanism and the sander are conveyed to the designated position of the edge grinding mechanism through the conveying mechanism, then the fixing and rotating mechanism and the edge grinding mechanism work together, namely, the joints of three surfaces and each surface of the cylindrical head of the sander are ground, burrs and redundant materials generated during production are initially generated, so that the surfaces and the joints of the cylindrical head of the sander become smooth, namely, the sale and use of later products cannot be influenced, after the treatment is completed, the conveying mechanism continues to drive the fixing and rotating mechanism and the sander to move towards the direction close to the central part grinding mechanism until the designated position of the central part grinding mechanism in the movement, and then the cylindrical head and the bottom of the sander are jointly worked through the fixing and rotating mechanism and the central part grinding mechanism Polishing the joint of the metal rod, namely, the raw material generated in production overflows to cause the unevenness of the joint and the raw material is hardened on the metal rod, so that the appearance of the polisher is influenced, and the redundant raw material which possibly causes the crack of the joint of the cylindrical head part of the polisher and the bottom metal rod is removed;
(3) the invention can effectively polish all surfaces of the green silicon carbide sander, and can also perform a careful polishing work on the joint of the metal rod of the green silicon carbide sander and the cylindrical polishing head, thereby effectively solving the problems generated during the production of the green silicon carbide sander.
Drawings
FIG. 1 is a schematic perspective view of a first embodiment of the present invention;
FIG. 2 is a schematic perspective view of a second embodiment of the present invention;
FIG. 3 is a perspective view of the fixing and rotating mechanism of the present invention;
FIG. 4 is a schematic perspective view of a portion of the fixing and rotating mechanism of the present invention;
FIG. 5 is a perspective view of the conveying mechanism of the present invention;
FIG. 6 is a schematic perspective view of an edge grinding mechanism according to the present invention;
FIG. 7 is a schematic view of a first partial body configuration of the edge grinding mechanism of the present invention;
FIG. 8 is a schematic view of a second partial body configuration of the edge grinding mechanism of the present invention;
FIG. 9 is a schematic view of a first three-dimensional configuration of a center grinding mechanism according to the present invention;
FIG. 10 is a schematic view of a second perspective view of a center grinding mechanism according to the present invention;
fig. 11 is a schematic perspective view of a portion of the center sanding mechanism of the present invention.
Part names and serial numbers in the figure: 1: mount, 2: controller, 3: fixing and rotating mechanism, 4: conveying mechanism, 5: edge grinding mechanism, 6: central part grinding machanism, 301: first connection plate, 302: u-shaped link, 303: first transmission shaft, 304: quasi-cylindrical connecting column, 305: hollow cylindrical protector, 306: first spring device, 307: second spring device, 308: arc-shaped fixing plate, 309: simulated green silicon carbide sander, 3010: first drive pulley, 3011: second drive wheel, 3012: second drive shaft, 3013: third drive wheel, 3014: fourth transmission wheel, 3015: fifth transmission wheel, 3016: sixth transmission wheel, 3017: first spur gear, 401: motor, 402: third transmission shaft, 403: first bevel gear, 404: seventh transmission wheel, 405: eighth transmission wheel, 406: fourth transmission shaft, 407: ninth drive wheel, 408: a tenth transmission wheel, 409: first lead screw, 4010: an eleventh transmission wheel, 4011: a twelfth driving wheel, 4012: second lead screw, 4013: first polish rod, 4014: second polish rod, 4015: first sliding sleeve, 4016: second spur gear, 4017: first electric putter, 4018: third spur gear, 4019: fifth propeller shaft, 501: second bevel gear, 502: sixth propeller shaft, 503: thirteenth drive wheel, 504: fourteenth transmission wheel, 505: seventh drive shaft, 506: fourth spur gear, 507: third bevel gear, 508: eighth propeller shaft, 509: fifteenth transmission wheel, 5010: sixteenth drive wheel, 5011: first abrasive cleaner, 5012: seventeenth drive wheel, 5013: eighteenth transmission wheel, 5014: second sanding cleaner, 5015: nineteenth transmission wheel, 5016: twentieth transmission wheel, 5017: third sanding cleaner, 5018: fourth sanding cleaner, 5019: fifth polisher cleaner, 5020: first gantry, 601: fourth bevel gear, 602: second runner, 603: second electric putter, 604: fifth bevel gear, 605: ninth drive shaft, 606: twenty-first transmission wheel, 607: twenty-second drive wheel, 608: tenth propeller shaft, 609: fifth spur gear, 6010: second gantry, 6011: third spring device, 6012: second connecting plate, 6013: third electric putter, 6014: telescopic arc polishing knife 6015: eleventh propeller shaft, 6016: first cam, 6017: second cam, 6018: worm gear, 6019: worm, 6020: a waste collection frame.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings.
Example 1
A secondary grinding device for a green silicon carbide grinder is shown in figures 1-11 and comprises a fixing frame, a controller, a fixing and rotating mechanism, a conveying mechanism, an edge grinding mechanism and a central part grinding mechanism; the fixed frame is connected with the controller; the fixed frame is connected with the conveying mechanism; the fixed frame is connected with the edge polishing mechanism; the fixed frame is connected with the central part polishing mechanism; a fixing and rotating mechanism is arranged on the side surface of the controller; the fixed and rotating mechanism is connected with the conveying mechanism; the conveying mechanism is connected with the edge polishing mechanism; the conveying mechanism is connected with the central part polishing mechanism.
Before the work, the bottom metal rod of the green silicon carbide sander is manually inserted into the fixing and rotating mechanism, the sander is ensured to be fixed, then the fixing and rotating mechanism and the sander are conveyed to the designated position of the edge grinding mechanism through the conveying mechanism, then the fixing and rotating mechanism and the edge grinding mechanism work together, namely, the joints of three surfaces and each surface of the cylindrical head of the sander are ground, burrs and redundant materials generated during production are initially generated, so that the surfaces and the joints of the cylindrical head of the sander become smooth, namely, the sale and use of later products cannot be influenced, after the treatment is completed, the conveying mechanism continues to drive the fixing and rotating mechanism and the sander to move towards the direction close to the central part grinding mechanism until the designated position of the central part grinding mechanism in the movement, and then the cylindrical head and the bottom of the sander are jointly worked through the fixing and rotating mechanism and the central part grinding mechanism Polishing the joint of the metal rod, namely, the raw material generated in production overflows to cause the unevenness of the joint and the raw material is hardened on the metal rod, so that the appearance of the polisher is influenced, and the redundant raw material which possibly causes the crack of the joint of the cylindrical head part of the polisher and the bottom metal rod is removed; the invention can effectively polish all surfaces of the green silicon carbide sander, and can also perform a careful polishing work on the joint of the metal rod of the green silicon carbide sander and the cylindrical polishing head, thereby effectively solving the problems generated during the production of the green silicon carbide sander.
The fixing and rotating mechanism comprises a first connecting plate, a U-shaped connecting frame, a first transmission shaft, a cylindrical connecting column, a hollow cylindrical protective body, a first spring device, a second spring device, an arc-shaped fixing plate, a simulated green silicon carbide sander, a first transmission wheel, a second transmission shaft, a third transmission wheel, a fourth transmission wheel, a fifth transmission wheel, a sixth transmission wheel and a first flat gear; the first connecting plate is connected with the conveying mechanism; the first connecting plate is fixedly connected with the U-shaped connecting frame; the first connecting plate is simultaneously in rotating connection with the first transmission shaft and the second transmission shaft; the U-shaped connecting frame is simultaneously in rotating connection with the first transmission shaft and the second transmission shaft; the first transmission shaft is fixedly connected with the quasi-cylindrical connecting column; the first transmission shaft is fixedly connected with the first transmission wheel; the first transmission shaft is fixedly connected with the first flat gear; the quasi-cylindrical connecting column is fixedly connected with the hollow cylindrical protective body; the quasi-cylindrical connecting column is contacted with the simulated green silicon carbide sander; the hollow cylindrical protective body is fixedly connected with the first spring device and the second spring device at the same time; the first spring device and the second spring device are fixedly connected with the arc-shaped fixing plate at the same time; the first spring devices, the second spring devices and the arc-shaped fixing plates are arranged in the hollow cylindrical protection body in an annular array manner, and three groups are arranged in the hollow cylindrical protection body; four groups of the quasi-cylindrical connecting columns to the simulated green silicon carbide sander are arranged on the first connecting plate from left to right; the outer ring surface of the first driving wheel is in transmission connection with the second driving wheel through a belt; the second driving wheel is fixedly connected with the second transmission shaft; the second transmission shaft is fixedly connected with a third transmission wheel; the second transmission shaft is fixedly connected with a group of similar cylindrical connecting columns corresponding to the upper part of the second transmission shaft; the second transmission shafts are provided with three groups in total on the first connecting plate, and the position of each group corresponds to the position of the corresponding cylindrical connecting column; the outer ring surface of the third driving wheel is in transmission connection with the fourth driving wheel through a belt; the fourth transmission wheel is fixedly connected with a group of second transmission shafts corresponding to the fourth transmission wheel; the fifth transmission wheel is also fixedly connected with a group of second transmission shafts corresponding to the fifth transmission wheel; the outer ring surface of the fifth driving wheel is in transmission connection with the sixth driving wheel through a belt; the sixth transmission wheel is fixedly connected with a group of second transmission shafts corresponding to the sixth transmission wheel.
Before the simulated green silicon carbide sander starts to work, a bottom metal rod of the simulated green silicon carbide sander is manually inserted into a cylindrical connecting column-like Chinese through a hollow cylindrical protective body, three groups of arc-shaped fixing plates are extruded by certain extrusion, then the simulated green silicon carbide sander is fixed among the three groups of arc-shaped fixing plates through resilience force generated after the first spring device and the second spring device are extruded, after all the simulated green silicon carbide sanders are fixed, the fixing and rotating mechanism is driven by the conveying mechanism to move towards the direction close to the edge grinding mechanism until the simulated green silicon carbide sander moves to a specified position, and then the joint of the surface of the simulated green silicon carbide sander and each surface is ground through the joint work of the first transmission wheel, the first flat gear and the edge grinding mechanism; the mechanism accomplishes the task of fixing and rotating the simulated green silicon carbide sander.
The conveying mechanism comprises a motor, a third transmission shaft, a first bevel gear, a seventh transmission wheel, an eighth transmission wheel, a fourth transmission shaft, a ninth transmission wheel, a tenth transmission wheel, a first screw rod, an eleventh transmission wheel, a twelfth transmission wheel, a second screw rod, a first polish rod, a second polish rod, a first sliding sleeve, a second flat gear, a first electric push rod, a third flat gear and a fifth transmission shaft; the motor is fixedly connected with the third transmission shaft through an output shaft; the motor is connected with the fixed frame; the third transmission shaft is rotatably connected with the fixed frame through a connecting block; the third transmission shaft is fixedly connected with the first bevel gear; the third transmission shaft is fixedly connected with a seventh transmission wheel; the first bevel gear is connected with the edge polishing mechanism; the outer ring surface of the seventh driving wheel is in transmission connection with the eighth driving wheel through a belt; the eighth driving wheel is fixedly connected with the fourth transmission shaft; the fourth transmission shaft is connected with the central part polishing mechanism; the fourth transmission shaft is connected with the first sliding sleeve; the fourth transmission shaft is rotatably connected with the fixed frame through a connecting block; a ninth driving wheel is arranged on the side surface of the eighth driving wheel; the outer ring surface of the ninth driving wheel is in transmission connection with the tenth driving wheel through a belt; the ninth driving wheel is fixedly connected with the fifth transmission shaft; the tenth driving wheel is fixedly connected with the first screw rod; the first screw rod is rotatably connected with the fixed frame through a connecting block; the first screw rod is fixedly connected with the first connecting plate through a rod sleeve; the first screw rod is fixedly connected with the eleventh transmission wheel; the outer ring surface of the eleventh driving wheel is in transmission connection with the twelfth driving wheel through a belt; the twelfth driving wheel is fixedly connected with the second screw rod; the second screw rod is rotatably connected with the fixed frame through a connecting block; the second screw rod is fixedly connected with the first connecting plate through a rod sleeve; a first polish rod is arranged on the side surface of the first screw rod; the first polish rod is in sliding connection with the first connecting plate; the first polish rod is connected with the fixing frame through a connecting block; a second polished rod is arranged on the side surface of the second screw rod; the second polish rod is in sliding connection with the first connecting plate; the second polished rod is connected with the fixed frame through a connecting block; the first sliding sleeve is fixedly connected with the second flat gear; the first sliding sleeve is connected with the first electric push rod through a connecting block; the first electric push rod is fixedly connected with the fixed frame through an L-shaped connecting block; the fifth transmission shaft is fixedly connected with the third flat gear; the fifth transmission shaft is rotatably connected with the fixed frame through a connecting block.
After the simulated green silicon carbide sander is fixed among the three groups of arc-shaped fixing plates, the motor starts to work, the motor drives the third transmission shaft to rotate through the output shaft, the third transmission shaft drives the seventh transmission wheel to rotate, the seventh transmission wheel drives the fourth transmission shaft through the eighth transmission wheel, the fourth transmission shaft drives the second flat gear through the first sliding sleeve, then the first electric push rod starts to work to drive the first sliding sleeve to move towards the position close to the third flat gear, namely the second flat gear is driven to move towards the position close to the third flat gear until the second flat gear is meshed with the third flat gear, the second flat gear drives the third flat gear to rotate, and the third flat gear drives the ninth transmission wheel through the fifth transmission shaft; the ninth driving wheel drives the first screw rod through a tenth driving wheel, the first screw rod drives the eleventh driving wheel to rotate, the eleventh driving wheel drives the second screw rod of the twelfth driving wheel through transmission, the first screw rod and the second screw rod work simultaneously to drive the fixing and rotating mechanism to move towards the direction close to the edge polishing mechanism until the green silicon carbide polisher is simulated to move to a specified position; the mechanism completes the conveying work of the fixed and rotating mechanisms.
The edge grinding mechanism comprises a second bevel gear, a sixth transmission shaft, a thirteenth transmission wheel, a fourteenth transmission wheel, a seventh transmission shaft, a fourth flat gear, a third bevel gear, an eighth transmission shaft, a fifteenth transmission wheel, a sixteenth transmission wheel, a first grinding cleaner, a seventeenth transmission wheel, an eighteenth transmission wheel, a second grinding cleaner, a nineteenth transmission wheel, a twentieth transmission wheel, a third grinding cleaner, a fourth grinding cleaner, a fifth grinding cleaner and a first portal frame; the second bevel gear is meshed with the first bevel gear; the second bevel gear is fixedly connected with the sixth transmission shaft; the sixth transmission shaft is rotatably connected with the fixed frame; the sixth transmission shaft is fixedly connected with the thirteenth transmission wheel; the outer ring surface of the thirteenth driving wheel is in transmission connection with the fourteenth driving wheel through a belt; the fourteenth driving wheel is fixedly connected with the seventh transmission shaft; the seventh transmission shaft is rotatably connected with the fixed frame; the seventh transmission shaft is fixedly connected with the fourth flat gear; a third bevel gear is arranged above the second bevel gear; the third bevel gear is meshed with the first bevel gear; the third bevel gear is fixedly connected with the eighth transmission shaft; the eighth transmission shaft is rotatably connected with the first portal frame through a connecting block; the eighth transmission shaft is fixedly connected with the fifteenth transmission wheel; the outer ring surface of the fifteenth driving wheel is in transmission connection with the sixteenth driving wheel through a belt; the sixteenth driving wheel is fixedly connected with the first polishing cleaner; the first sanding cleaner is fixedly connected with the seventeenth driving wheel; the first grinding cleaner is rotationally connected with the first portal frame; the outer ring surface of the seventeenth driving wheel is in transmission connection with the eighteenth driving wheel through a belt; the eighteenth driving wheel is fixedly connected with the second polishing cleaner; the second polishing cleaner is fixedly connected with the nineteenth transmission wheel; the second polishing cleaner is rotationally connected with the first portal frame; the outer ring surface of the nineteenth driving wheel is in transmission connection with the twentieth driving wheel through a belt; the twentieth driving wheel is fixedly connected with the third polishing cleaner; the third polishing cleaner is rotationally connected with the first portal frame; the first portal frame is fixedly connected with the fourth polishing cleaner and the fifth polishing cleaner through connecting blocks; the left side and the right side of a connecting block between the fourth grinding cleaner and the first portal frame are respectively provided with a group of the fourth grinding cleaner and the fifth grinding cleaner; and two groups; the fourth polishing cleaner and the fifth polishing cleaner are respectively arranged at the left side and the right side of the second polishing cleaner to form a group; the first portal frame is fixedly connected with the fixing frame.
When the fixing and rotating mechanism works simultaneously through the first screw rod and the second screw rod until the simulated green silicon carbide sander is conveyed to a designated position, namely, the side surfaces of the simulated green silicon carbide sanders on the left side and the right side of the first connecting plate are respectively contacted with the side surfaces of the first sanding cleaner and the third sanding cleaner, the side surfaces of the middle two groups of simulated green silicon carbide sanders are just contacted with the side surface of the second sanding cleaner, meanwhile, the bottom raised cylindrical sanding column of the fourth sanding cleaner is contacted with the upper surface of the simulated green silicon carbide sander, the raised cylindrical sanding column of the fifth sanding cleaner is contacted with the lower surface of the simulated green silicon carbide sander, at the moment, the first flat gear is just meshed with the fourth flat gear, then, the first bevel gear drives the second bevel gear and the third bevel gear to rotate simultaneously, and the second bevel gear drives the sixth transmission shaft to rotate, the sixth transmission shaft drives the thirteenth transmission wheel to rotate, the thirteenth transmission wheel drives the fourteenth transmission wheel to rotate, the fourteenth transmission wheel drives the fourth flat gear through the seventh transmission shaft, the fourth flat gear drives the first flat gear to rotate, the first flat gear drives the first transmission shaft to rotate, the first transmission shaft drives the similar cylindrical connecting column to rotate, namely, the hollow cylindrical protective body fixedly connected with the similar cylindrical connecting column is driven to rotate, namely, the first spring, the second spring and the arc-shaped fixing plates in the hollow cylindrical protective body are driven to rotate, namely, the simulated green silicon carbide sander among the three groups of arc-shaped fixing plates is driven to rotate anticlockwise, meanwhile, the first transmission shaft drives the first transmission wheel to rotate, the first transmission wheel drives the second transmission shaft through the second transmission wheel, the second transmission shaft drives the group of similar cylindrical connecting columns corresponding to the upper part of the second transmission wheel to rotate, namely, the group of simulated green silicon carbide sanders corresponding to the upper part of the, the second transmission shaft drives the third transmission wheel to rotate, the third transmission wheel drives the fourth transmission wheel to rotate, the fourth transmission wheel drives a group of corresponding second transmission shafts to rotate, namely, the simulated green silicon carbide sander above the group of second transmission shafts is driven to rotate anticlockwise, meanwhile, the group of second transmission shafts drive the fifth transmission wheel to rotate, the fifth transmission wheel drives a group of corresponding second transmission shafts to rotate through the sixth transmission wheel, namely, the simulated green silicon carbide sander above the group of second transmission shafts is driven to rotate anticlockwise, meanwhile, the third bevel gear drives the eighth transmission shaft to rotate clockwise, the eighth transmission shaft drives the fifteenth transmission wheel to rotate, the fifteenth transmission wheel drives the first sanding cleaner through the sixteenth transmission wheel, so that the first sanding cleaner rotates clockwise, the first sanding cleaner drives the seventeenth transmission wheel to rotate, the seventeenth transmission wheel drives the eighteenth transmission wheel to rotate, the eighteenth driving wheel drives the second polishing cleaner to rotate clockwise, the second polishing cleaner drives the nineteenth driving wheel to rotate, the nineteenth driving wheel drives the twentieth driving wheel to rotate, and the twentieth driving wheel drives the third polishing cleaner to rotate clockwise, so that when the connection parts of the side surfaces of the first polishing cleaner, the second polishing cleaner and the third polishing cleaner and the simulation green silicon carbide polisher and the connection parts of the upper surface, the lower surface and the side surfaces are contacted, the side surfaces of the first polishing cleaner, the second polishing cleaner and the third polishing cleaner and the connection parts of the side surfaces of the simulation green silicon carbide polisher and the upper surface, the lower surface and the side surfaces of the simulation green silicon carbide polisher can be polished, meanwhile, redundant raw materials at the connection parts of the upper surface, the lower surface and the side surfaces of the first polishing cleaner, the second polishing cleaner and the third polishing cleaner are cleaned, and cleaning soft bristles are arranged on the outer surfaces of, the side surface of the simulated green silicon carbide sander can be cleaned to a certain extent, meanwhile, when the simulated green silicon carbide sander rotates, the fourth polishing cleaner is in contact with the upper surface of the simulated green silicon carbide sander, the fifth polishing cleaner is in contact with the lower surface of the simulated green silicon carbide sander, the upper surface and the lower surface of the simulated green silicon carbide sander can be polished to a certain extent by the cylindrical polishers arranged on the fourth polishing cleaner and the fifth polishing cleaner, raw materials overflowing to the upper surface and the lower surface of the simulated green silicon carbide sander when the joints of the upper surface, the lower surface and the side surface of the simulated green silicon carbide sander are polished can be cleaned by the first polishing cleaner, the second polishing cleaner and the third polishing cleaner, cleaning soft bristles are also arranged on the fourth polishing cleaner and the fifth polishing cleaner, the cleaning soft bristles also play a role in cleaning the upper surface and the lower surface of the simulated green silicon carbide sander, and the treated waste materials automatically fall to the collecting position, after all the surfaces and joints of the simulated green silicon carbide sander are processed, the first electric push rod enables the second flat gear to be meshed with the third flat gear again, and then the simulated green silicon carbide sander is continuously driven to move towards the direction close to the central part sanding mechanism through the first lead screw and the second lead screw until the simulated green silicon carbide sander moves to a specified position; the mechanism finishes the polishing work of the side surface and the upper and lower surfaces of the simulated green silicon carbide polisher, and also polishes the joint of the side surface and the upper and lower surfaces.
The central part polishing mechanism comprises a fourth bevel gear, a second sliding sleeve, a second electric push rod, a fifth bevel gear, a ninth transmission shaft, a twenty-first transmission wheel, a twenty-second transmission wheel, a tenth transmission shaft, a third spur gear, a portal frame, a third spring device, a second connecting plate, a third electric push rod, a telescopic arc-shaped polishing knife, an eleventh transmission shaft, a first cam, a second cam, a worm wheel, a worm and a waste collection frame; the fourth bevel gear is fixedly connected with the second sliding sleeve; the second sliding sleeve is connected with the third transmission shaft; the second sliding sleeve is connected with a second electric push rod through a connecting block; the second electric push rod is fixedly connected with the fixed frame through a connecting block; a fifth bevel gear is arranged on the side surface of the fourth bevel gear; the fifth bevel gear is fixedly connected with the ninth transmission shaft; the ninth transmission shaft is rotatably connected with the fixed frame; the ninth transmission shaft is fixedly connected with the twenty-first transmission wheel; the outer ring surface of the twenty-first driving wheel is in transmission connection with the twenty-second driving wheel through a belt; the twenty-second driving wheel is fixedly connected with the tenth transmission shaft; the tenth transmission shaft is rotatably connected with the fixed frame; the tenth transmission shaft is fixedly connected with the third flat gear; a portal frame is arranged on the side surface of the third horizontal gear; the portal frame is fixedly connected with the fixed frame; the portal frame is rotationally connected with the eleventh transmission shaft; the portal frame is fixedly connected with the third spring device through a connecting block; the third spring device is fixedly connected with the second connecting plate; the second connecting plate is simultaneously contacted with the first cam and the second cam; the second connecting plate is fixedly connected with the third electric push rod through a connecting block; the third electric push rod is fixedly connected with the telescopic arc-shaped polishing knife through a connecting block; four groups of telescopic arc-shaped grinding knives are arranged on the second connecting plate, the distribution positions of the telescopic arc-shaped grinding knives are respectively one group at the left side and the right side, two groups are arranged in the middle, but the angles between the middle two groups and the left side and the right side are different, namely the middle two groups are fixed at the designated positions on the second connecting plate after the telescopic arc-shaped grinding knives at the two sides rotate for ninety degrees; the eleventh transmission shaft is fixedly connected with the first cam and the second cam simultaneously; the eleventh transmission shaft is fixedly connected with the worm wheel; the worm wheel is meshed with the worm; the worm is fixedly connected with the fourth transmission shaft; the third electric push rod is respectively provided with a group at the left side and the right side of the second connecting plate.
When the simulated green silicon carbide sander is conveyed to the joint of two groups of metal rods in the middle of the first connecting plate and the cylindrical sanding head and just contacts with two groups of telescopic arc sanding knives in the middle of the second connecting plate, the simulated green silicon carbide sander stops moving, then two groups of third spring devices simultaneously drive one group of telescopic arc sanding knives fixedly connected with the third spring devices to approach to the simulated green silicon carbide sander close to the left side and the right side of the first connecting plate until the telescopic arc sanding knives just contact with the joint of the metal rods and the cylindrical sanding head, meanwhile, the fifth flat gear just meshes with the first flat gear, then the second electric push rod starts working, the second electric push rod drives the second sliding sleeve to move towards the direction close to the fifth bevel gear, namely drives the fourth bevel gear to move towards the direction close to the fifth bevel gear until the fourth bevel gear meshes with the fifth bevel gear, and then drives the second sliding sleeve to rotate through the third transmission shaft, the second sliding sleeve drives a fifth bevel gear through a fourth bevel gear, the fifth bevel gear drives a ninth transmission shaft to rotate, the ninth transmission shaft drives a twenty-second transmission wheel through a twenty-first transmission wheel, the twenty-second transmission wheel drives a tenth transmission shaft to rotate, the tenth transmission shaft drives a first flat gear through a fifth flat gear, the first flat gear drives four groups of simulated green silicon carbide grinders to rotate when being meshed with the fourth flat gear, meanwhile, the fourth transmission shaft drives a worm to rotate, the worm drives an eleventh transmission shaft through a worm wheel, the eleventh transmission shaft drives a first cam and a second cam to rotate simultaneously, and the second connecting plate does up-and-down reciprocating motion in a short distance through indirect extrusion on the second connecting plate under the combined action of two groups of third spring devices and the first cam and the second cam in the continuous rotating process of the first cam and the second cam, namely four groups of telescopic arc polishing cutters which are driven to be fixedly connected do a short-distance up-and-down reciprocating motion, when the telescopic arc polishing cutters do the short-distance up-and-down reciprocating motion, the work of polishing the joint of the metal rod and the cylindrical polishing head can be achieved due to the rotation of the simulated green silicon carbide polisher, and the telescopic arc polishing cutters have certain telescopic shapes, so that the connection positions of the metal rod and the cylindrical polishing head of each group of the simulated green silicon carbide polisher can be flexibly changed according to the difference of the connection positions of the metal rod and the cylindrical polishing head during polishing, the problem of blocking or damage of the simulated green silicon carbide polisher and the telescopic arc polishing cutters can not occur, the treated waste material automatically falls into the waste material collecting frame, and after the joint of the simulated green silicon carbide polisher metal rod and the cylindrical polishing head is treated, the motor rotates reversely, conveying the ground simulated green silicon carbide sander to an initial position, and then taking the sander away manually; the mechanism finishes the polishing work on the joint of the metal rod of the simulated green silicon carbide polisher and the cylindrical polishing head.
And the inner surface of the arc-shaped fixing plate is provided with a convex ball body for increasing friction force.
Ensure that the simulated green silicon carbide sander can be fixed between the three groups of arc-shaped fixing plates.
And cleaning brushes are arranged on the outer surfaces of the first polishing cleaner, the second polishing cleaner and the third polishing cleaner.
Waste that is also adhered to the simulated green silicon carbide sander can be removed while the simulated green silicon carbide sander is sanded.
And cylindrical grinding columns are arranged on the fourth grinding cleaner and the fifth grinding cleaner.
The raw materials overflowing to the upper surface and the lower surface when the first polishing cleaner, the second polishing cleaner and the third polishing cleaner are polished can be cleaned, and the edges of the upper surface and the lower surface can be polished.
The polishing part of the telescopic arc-shaped polishing knife is arranged to be in a circular arc shape matched with a metal rod at the bottom of the simulated green silicon carbide polisher.
The contact part of the metal rod at the bottom of the simulated green silicon carbide sander and the cylindrical sanding head is better sanded.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (9)

1. The utility model provides a secondary grinding device to green silicon carbide sander, including mount and controller, characterized by: the device also comprises a fixing and rotating mechanism, a conveying mechanism, an edge polishing mechanism and a central part polishing mechanism; the fixed frame is connected with the controller; the fixed frame is connected with the conveying mechanism; the fixed frame is connected with the edge polishing mechanism; the fixed frame is connected with the central part polishing mechanism; a fixing and rotating mechanism is arranged on the side surface of the controller; the fixed and rotating mechanism is connected with the conveying mechanism; the conveying mechanism is connected with the edge polishing mechanism; the conveying mechanism is connected with the central part polishing mechanism.
2. A secondary sharpening unit for a green silicon carbide sander as set forth in claim 1, wherein: the fixing and rotating mechanism comprises a first connecting plate, a U-shaped connecting frame, a first transmission shaft, a cylindrical connecting column, a hollow cylindrical protective body, a first spring device, a second spring device, an arc-shaped fixing plate, a simulated green silicon carbide sander, a first transmission wheel, a second transmission shaft, a third transmission wheel, a fourth transmission wheel, a fifth transmission wheel, a sixth transmission wheel and a first flat gear; the first connecting plate is connected with the conveying mechanism; the first connecting plate is fixedly connected with the U-shaped connecting frame; the first connecting plate is simultaneously in rotating connection with the first transmission shaft and the second transmission shaft; the U-shaped connecting frame is simultaneously in rotating connection with the first transmission shaft and the second transmission shaft; the first transmission shaft is fixedly connected with the quasi-cylindrical connecting column; the first transmission shaft is fixedly connected with the first transmission wheel; the first transmission shaft is fixedly connected with the first flat gear; the quasi-cylindrical connecting column is fixedly connected with the hollow cylindrical protective body; the quasi-cylindrical connecting column is contacted with the simulated green silicon carbide sander; the hollow cylindrical protective body is fixedly connected with the first spring device and the second spring device at the same time; the first spring device and the second spring device are fixedly connected with the arc-shaped fixing plate at the same time; the first spring devices, the second spring devices and the arc-shaped fixing plates are arranged in the hollow cylindrical protection body in an annular array manner, and three groups are arranged in the hollow cylindrical protection body; four groups of the quasi-cylindrical connecting columns to the simulated green silicon carbide sander are arranged on the first connecting plate from left to right; the outer ring surface of the first driving wheel is in transmission connection with the second driving wheel through a belt; the second driving wheel is fixedly connected with the second transmission shaft; the second transmission shaft is fixedly connected with a third transmission wheel; the second transmission shaft is fixedly connected with a group of similar cylindrical connecting columns corresponding to the upper part of the second transmission shaft; the second transmission shafts are provided with three groups in total on the first connecting plate, and the position of each group corresponds to the position of the corresponding cylindrical connecting column; the outer ring surface of the third driving wheel is in transmission connection with the fourth driving wheel through a belt; the fourth transmission wheel is fixedly connected with a group of second transmission shafts corresponding to the fourth transmission wheel; the fifth transmission wheel is also fixedly connected with a group of second transmission shafts corresponding to the fifth transmission wheel; the outer ring surface of the fifth driving wheel is in transmission connection with the sixth driving wheel through a belt; the sixth transmission wheel is fixedly connected with a group of second transmission shafts corresponding to the sixth transmission wheel.
3. A secondary sharpening unit for a green silicon carbide sander as set forth in claim 2, wherein: the conveying mechanism comprises a motor, a third transmission shaft, a first bevel gear, a seventh transmission wheel, an eighth transmission wheel, a fourth transmission shaft, a ninth transmission wheel, a tenth transmission wheel, a first screw rod, an eleventh transmission wheel, a twelfth transmission wheel, a second screw rod, a first polish rod, a second polish rod, a first sliding sleeve, a second flat gear, a first electric push rod, a third flat gear and a fifth transmission shaft; the motor is fixedly connected with the third transmission shaft through an output shaft; the motor is connected with the fixed frame; the third transmission shaft is rotatably connected with the fixed frame through a connecting block; the third transmission shaft is fixedly connected with the first bevel gear; the third transmission shaft is fixedly connected with a seventh transmission wheel; the first bevel gear is connected with the edge polishing mechanism; the outer ring surface of the seventh driving wheel is in transmission connection with the eighth driving wheel through a belt; the eighth driving wheel is fixedly connected with the fourth transmission shaft; the fourth transmission shaft is connected with the central part polishing mechanism; the fourth transmission shaft is connected with the first sliding sleeve; the fourth transmission shaft is rotatably connected with the fixed frame through a connecting block; a ninth driving wheel is arranged on the side surface of the eighth driving wheel; the outer ring surface of the ninth driving wheel is in transmission connection with the tenth driving wheel through a belt; the ninth driving wheel is fixedly connected with the fifth transmission shaft; the tenth driving wheel is fixedly connected with the first screw rod; the first screw rod is rotatably connected with the fixed frame through a connecting block; the first screw rod is fixedly connected with the first connecting plate through a rod sleeve; the first screw rod is fixedly connected with the eleventh transmission wheel; the outer ring surface of the eleventh driving wheel is in transmission connection with the twelfth driving wheel through a belt; the twelfth driving wheel is fixedly connected with the second screw rod; the second screw rod is rotatably connected with the fixed frame through a connecting block; the second screw rod is fixedly connected with the first connecting plate through a rod sleeve; a first polish rod is arranged on the side surface of the first screw rod; the first polish rod is in sliding connection with the first connecting plate; the first polish rod is connected with the fixing frame through a connecting block; a second polished rod is arranged on the side surface of the second screw rod; the second polish rod is in sliding connection with the first connecting plate; the second polished rod is connected with the fixed frame through a connecting block; the first sliding sleeve is fixedly connected with the second flat gear; the first sliding sleeve is connected with the first electric push rod through a connecting block; the first electric push rod is fixedly connected with the fixed frame through an L-shaped connecting block; the fifth transmission shaft is fixedly connected with the third flat gear; the fifth transmission shaft is rotatably connected with the fixed frame through a connecting block.
4. A secondary sharpening unit for a green silicon carbide sander as set forth in claim 3, wherein: the edge grinding mechanism comprises a second bevel gear, a sixth transmission shaft, a thirteenth transmission wheel, a fourteenth transmission wheel, a seventh transmission shaft, a fourth flat gear, a third bevel gear, an eighth transmission shaft, a fifteenth transmission wheel, a sixteenth transmission wheel, a first grinding cleaner, a seventeenth transmission wheel, an eighteenth transmission wheel, a second grinding cleaner, a nineteenth transmission wheel, a twentieth transmission wheel, a third grinding cleaner, a fourth grinding cleaner, a fifth grinding cleaner and a first portal frame; the second bevel gear is meshed with the first bevel gear; the second bevel gear is fixedly connected with the sixth transmission shaft; the sixth transmission shaft is rotatably connected with the fixed frame; the sixth transmission shaft is fixedly connected with the thirteenth transmission wheel; the outer ring surface of the thirteenth driving wheel is in transmission connection with the fourteenth driving wheel through a belt; the fourteenth driving wheel is fixedly connected with the seventh transmission shaft; the seventh transmission shaft is rotatably connected with the fixed frame; the seventh transmission shaft is fixedly connected with the fourth flat gear; a third bevel gear is arranged above the second bevel gear; the third bevel gear is meshed with the first bevel gear; the third bevel gear is fixedly connected with the eighth transmission shaft; the eighth transmission shaft is rotatably connected with the first portal frame through a connecting block; the eighth transmission shaft is fixedly connected with the fifteenth transmission wheel; the outer ring surface of the fifteenth driving wheel is in transmission connection with the sixteenth driving wheel through a belt; the sixteenth driving wheel is fixedly connected with the first polishing cleaner; the first sanding cleaner is fixedly connected with the seventeenth driving wheel; the first grinding cleaner is rotationally connected with the first portal frame; the outer ring surface of the seventeenth driving wheel is in transmission connection with the eighteenth driving wheel through a belt; the eighteenth driving wheel is fixedly connected with the second polishing cleaner; the second polishing cleaner is fixedly connected with the nineteenth transmission wheel; the second polishing cleaner is rotationally connected with the first portal frame; the outer ring surface of the nineteenth driving wheel is in transmission connection with the twentieth driving wheel through a belt; the twentieth driving wheel is fixedly connected with the third polishing cleaner; the third polishing cleaner is rotationally connected with the first portal frame; the first portal frame is fixedly connected with the fourth polishing cleaner and the fifth polishing cleaner through connecting blocks; the left side and the right side of a connecting block between the fourth grinding cleaner and the first portal frame are respectively provided with a group of the fourth grinding cleaner and the fifth grinding cleaner; and two groups; the fourth polishing cleaner and the fifth polishing cleaner are respectively arranged at the left side and the right side of the second polishing cleaner to form a group; the first portal frame is fixedly connected with the fixing frame.
5. A secondary sanding device for a green silicon carbide sander as set forth in claim 4, wherein: the central part polishing mechanism comprises a fourth bevel gear, a second sliding sleeve, a second electric push rod, a fifth bevel gear, a ninth transmission shaft, a twenty-first transmission wheel, a twenty-second transmission wheel, a tenth transmission shaft, a third pinion, a portal frame, a third spring device, a second connecting plate, a third electric push rod, a telescopic arc-shaped polishing knife, an eleventh transmission shaft, a first cam, a second cam, a worm wheel, a worm and a waste collection frame; the fourth bevel gear is fixedly connected with the second sliding sleeve; the second sliding sleeve is connected with the third transmission shaft; the second sliding sleeve is connected with a second electric push rod through a connecting block; the second electric push rod is fixedly connected with the fixed frame through a connecting block; a fifth bevel gear is arranged on the side surface of the fourth bevel gear; the fifth bevel gear is fixedly connected with the ninth transmission shaft; the ninth transmission shaft is rotatably connected with the fixed frame; the ninth transmission shaft is fixedly connected with the twenty-first transmission wheel; the outer ring surface of the twenty-first driving wheel is in transmission connection with the twenty-second driving wheel through a belt; the twenty-second driving wheel is fixedly connected with the tenth transmission shaft; the tenth transmission shaft is rotatably connected with the fixed frame; the tenth transmission shaft is fixedly connected with the third flat gear; a portal frame is arranged on the side surface of the third horizontal gear; the portal frame is fixedly connected with the fixed frame; the portal frame is rotationally connected with the eleventh transmission shaft; the portal frame is fixedly connected with the third spring device through a connecting block; the third spring device is fixedly connected with the second connecting plate; the second connecting plate is simultaneously contacted with the first cam and the second cam; the second connecting plate is fixedly connected with the third electric push rod through a connecting block; the third electric push rod is fixedly connected with the telescopic arc-shaped polishing knife through a connecting block; four groups of telescopic arc-shaped grinding knives are arranged on the second connecting plate, the distribution positions of the telescopic arc-shaped grinding knives are respectively one group at the left side and the right side, two groups are arranged in the middle, but the angles between the middle two groups and the left side and the right side are different, namely the middle two groups are fixed at the designated positions on the second connecting plate after the telescopic arc-shaped grinding knives at the two sides rotate for ninety degrees; the eleventh transmission shaft is fixedly connected with the first cam and the second cam simultaneously; the eleventh transmission shaft is fixedly connected with the worm wheel; the worm wheel is meshed with the worm; the worm is fixedly connected with the fourth transmission shaft; the third electric push rod is respectively provided with a group at the left side and the right side of the second connecting plate.
6. A secondary sanding device for a green silicon carbide sander as set forth in claim 5, wherein: the inner surface of the arc-shaped fixing plate is provided with a convex ball body for increasing friction force.
7. A secondary sharpening unit for a green silicon carbide sander as set forth in claim 6, wherein: the outer surfaces of the first polishing cleaner, the second polishing cleaner and the third polishing cleaner are all provided with cleaning brushes.
8. A secondary sharpening unit for a green silicon carbide sander as set forth in claim 7, wherein: cylindrical grinding columns are arranged on the fourth grinding cleaner and the fifth grinding cleaner.
9. A secondary sharpening unit for a green silicon carbide sander as set forth in claim 8, wherein: the polishing part of the telescopic arc-shaped polishing knife is arranged to be in a circular arc shape which is matched with a metal rod at the bottom of the simulated green silicon carbide polisher.
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