CN112276099A - Hard alloy gear forming processing method - Google Patents
Hard alloy gear forming processing method Download PDFInfo
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- CN112276099A CN112276099A CN202011196080.4A CN202011196080A CN112276099A CN 112276099 A CN112276099 A CN 112276099A CN 202011196080 A CN202011196080 A CN 202011196080A CN 112276099 A CN112276099 A CN 112276099A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/08—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of toothed articles, e.g. gear wheels; of cam discs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
- B22F2003/247—Removing material: carving, cleaning, grinding, hobbing, honing, lapping, polishing, milling, shaving, skiving, turning the surface
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to a hard alloy gear molding processing method, which mainly comprises the following steps of material preparation, extrusion operation, drying cutting, sintering operation, polishing treatment, inspection packaging and other processes, wherein the used gear polishing equipment comprises a bottom plate, a clamping device, a positioning device, a rotating device and a polishing device; and b, when the existing polishing equipment polishes the hard alloy gear, the clamping of the hard alloy gear is unstable, so that the polishing effect on the burrs of the hard alloy gear is difficult to guarantee, and the polishing efficiency and quality of the hard alloy gear can be improved.
Description
Technical Field
The invention relates to the technical field of gear production and processing, in particular to a hard alloy gear forming and processing method.
Background
Cemented carbide is an alloy material made from a hard compound of refractory metals and a binder metal by a powder metallurgy process. The hard alloy has a series of excellent performances of high hardness, wear resistance, good strength and toughness, heat resistance, corrosion resistance and the like, particularly the high hardness, the gear made of the hard alloy can improve the hardness and the wear resistance of the gear, the service life of the gear is prolonged, and after the hard alloy gear is formed, the hard alloy gear needs to be polished due to more burrs.
However, the following problems exist in the prior art of polishing the hard alloy gear, namely, a, when the conventional hard alloy gear is polished, manual polishing is required by using a file, metal debris generated in the manual polishing affects the air environment of polishing the hard alloy gear, the manual polishing efficiency is low, the machining precision is poor, the use reliability is low, and unnecessary economic loss is caused; and b, when the existing polishing equipment polishes the hard alloy gear, the clamping of the hard alloy gear is unstable, so that the polishing effect on the burrs of the hard alloy gear is difficult to guarantee, and the polishing efficiency and quality of the hard alloy gear can be improved.
Disclosure of Invention
In order to solve the problems, the invention provides a method for forming and processing a hard alloy gear, which can solve the problems existing in the grinding of the hard alloy gear.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a hard alloy gear molding processing method mainly comprises the following steps:
step one, preparing materials, namely preparing raw materials required by the production of the hard alloy gear, drying and crushing the raw materials, and uniformly mixing the raw materials to obtain hard alloy powder;
step two, performing extrusion operation, namely performing extrusion operation on the hard alloy powder obtained in the step one to obtain an extruded hard alloy material;
step three, drying and cutting, namely drying the extruded hard alloy material obtained in the step two, and cutting the dried hard alloy material into a gear shape after drying to obtain a hard alloy gear semi-finished product;
step four, sintering operation, namely sintering the semi-finished product of the hard alloy gear obtained in the step three, and naturally cooling to obtain a hard alloy gear blank;
step five, polishing treatment, namely placing the hard alloy gear blank obtained in the step four into gear polishing equipment to polish the hard alloy gear blank, and obtaining a hard alloy gear finished product after polishing;
and step six, checking and packaging, namely checking the hard alloy gear finished product obtained in the step five, reprocessing the hard alloy gear which is not detected, and packaging the hard alloy gear which is detected to be qualified to obtain the packaged hard alloy gear.
The gear polishing equipment used in the steps comprises a bottom plate, a clamping device, a positioning device, a rotating device and a polishing device, wherein the clamping device is installed on the bottom plate, the rotating device is installed on the clamping device, the positioning device is installed on the left portion of the bottom plate, and the polishing device is installed on the left side of the positioning device on the bottom plate.
The clamping device comprises a U-shaped plate, a rotary round rod, a hollow round rod, a first motor, a jacking roller, a jacking rod, an arc-shaped plate, a rubber plate, a return spring rod, a connecting round rod and a propping round rod, wherein the U-shaped plate is arranged at the right end of the bottom plate, a rotary round groove is formed in the left end of the U-shaped plate, the rotary round rod is arranged in the rotary round groove in a rotation fit mode, the hollow round rod is arranged at the left end of the rotary round rod, the first motor is arranged in the middle of the inner wall of the left end of the hollow round rod, the connecting round rod is arranged at the output end of the first motor, the left end of the connecting round rod is arranged on the inner wall of the left end of the hollow round rod through a bearing, the jacking roller is uniformly arranged from the left end to the right end of the connecting round rod, sliding holes are uniformly formed in the inner wall of the hollow round rod along the circumferential direction of the hollow round rod, the jacking rod is arranged in the sliding holes, the inner of return spring beam is connected on hollow round bar outer wall, installs the rubber slab on the arc outer wall, and jacking rod inner supports tightly on the jacking roller outer wall, installs fixture on the inner wall of hollow round bar left end, installs on the outer wall of hollow round bar left end to support tight round bar, supports tight round bar middle part and has seted up the arc annular, can carry out stable centre gripping operation to the carbide gear.
The polishing device comprises a supporting plate, a telescopic rod, a lifting cylinder, a cushion block, a long strip plate, a vibration spring rod, a flat plate, a long strip rod, a square plate, a positioning round rod, a rotating plate, a polishing spring rod, a bidirectional cylinder, a driving block, a polishing strip, a second motor and a power circular plate, wherein the supporting plate is installed at the left end of the bottom plate, the telescopic rods are symmetrically installed at the front and back of the upper ends of the supporting plate and the U-shaped plate, the lifting cylinder is installed at the gap between the telescopic rods at the upper ends of the supporting plate and the U-shaped plate, the output ends of the lifting cylinders on the supporting plate and the U-shaped plate are connected with the upper ends of the telescopic rods through the cushion blocks, the cushion blocks are connected through the long strip plate, sliding grooves are symmetrically formed at the front and back of the left part of the long strip plate, the flat plate, the middle part of the flat plate is provided with a long bar, the lower end of the long bar is provided with a square plate, the front end and the rear end of the square plate are symmetrically and uniformly provided with square grooves from the left end to the right end, the square groove is internally provided with a positioning round bar through a bearing, the positioning round bar is provided with a rotating plate, the rotating plate is symmetrically provided with polishing spring bars left and right, the upper end of each polishing spring bar is connected to the outer wall of the lower end of the flat plate, the front part and the rear part of the flat plate are symmetrically provided with clamping grooves, the middle parts of the long bar are provided with two-way air cylinders, the front part and the rear part of the output end of each two-way air cylinder are symmetrically provided with driving blocks, the driving blocks are arranged in the clamping grooves in a sliding fit mode, the lower ends of the driving blocks are in an inclined plane shape, the lower ends, and the power circular plate and the flat plate are mutually matched for use, so that the hard alloy gear can be comprehensively and uniformly polished.
As a preferred technical scheme of the invention, the clamping mechanism comprises a clamping cylinder, a clamping circular tube, a resisting circular ring, a lower pressure rod, an arc panel, a tensioning spring rod and a rubber strip, wherein the inner wall of the left end of the hollow circular rod is provided with the clamping circular tube, the upper end and the lower end of the inner wall of the clamping circular tube are symmetrically provided with through holes, the lower pressure rod is arranged in the through holes in a sliding fit manner, the arc panel is arranged at the inner end of the lower pressure rod, the tensioning spring rod is symmetrically arranged on the outer wall of the arc panel in the left-right direction, the outer end of the tensioning spring rod is connected to the inner wall of the hollow circular rod, the rubber strip is arranged on the inner wall of the arc panel, the clamping cylinder is symmetrically arranged on the inner wall of the left end of the hollow circular rod in the up-down direction, the resisting circular ring is arranged at the output end of the clamping cylinder, the resisting, the stability of carbide gear centre gripping has been improved.
As a preferred technical scheme of the invention, the rotating device comprises a driven circular plate, a T-shaped circular plate, an L-shaped rod, a notched circular plate and a third motor, wherein the driven circular plate is installed at the right end of the rotating circular rod, driven grooves are uniformly formed in the driven circular plate along the circumferential direction of the driven circular plate, the T-shaped circular plate is installed on the outer wall of the right end of the driven circular plate, arc-shaped grooves are uniformly formed in the outer wall of the right part of the T-shaped circular plate along the circumferential direction of the driven circular plate, the third motor is installed on the inner wall of the right end of the U-shaped plate, the notched circular plate is installed at the output end of the third motor, the notched circular plate and the T-shaped circular plate are matched with each other for use, the L-shaped rod is installed on the upper side of the notch on the outer wall of the left.
As a preferred technical scheme of the invention, the positioning device comprises a return plate, a fourth motor, a bidirectional threaded rod, a straight plate and a rotating ball, wherein the left part of the bottom plate is positioned on the right side of the supporting plate and is provided with a flat groove, the straight plate is symmetrically arranged in the flat groove in a front-back manner in a sliding fit manner, the lower side of the straight plate is provided with a transmission threaded groove, the outer wall of the inner end of the upper side of the straight plate is provided with an arc-shaped groove, the inner wall of the arc-shaped groove is uniformly provided with a groove along the circumferential direction, the rotating ball is arranged in the groove in a rotating fit manner, the rotating ball and an arc-shaped ring groove on the abutting round rod are mutually matched for use, the return plate is symmetrically arranged on the front side and the back side of the flat groove on the bottom plate, the fourth motor is arranged on the outer wall of the return plate at the front end of the bottom plate, and the bidirectional threaded rod is arranged in the transmission thread groove in a thread meshing mode, so that stable positioning operation can be performed on the abutting round rod, and the polishing stability of the hard alloy gear is ensured.
As a preferred technical scheme of the invention, the middle part of the bottom plate is provided with the collecting box, the lower end of the bottom plate is uniformly provided with the universal wheels, and the collecting box can collect scraps generated in the process of polishing the hard alloy gear.
In a preferred embodiment of the present invention, the driven groove on the driven circular plate is an inclined notch groove, and the inclined notch groove and the L-shaped rod are used in cooperation with each other, so that the L-shaped rod can drive the driven circular plate to rotate by a certain angle.
As a preferred technical scheme of the invention, the outer wall of the jacking roller is uniformly provided with arc-shaped notches along the circumferential direction of the outer wall, so that the jacking roller can drive the jacking rod to move, and the jacking rod can clamp the hard alloy gear through the rubber plate on the arc-shaped plate.
As a preferred technical scheme of the invention, the inner wall of the tightly-abutting circular ring is provided with an inclined ring groove along the circumferential direction, the outer end of the lower pressing rod is an inclined surface, and the inclined surface at the outer end of the lower pressing rod and the inclined ring groove are matched with each other for use, so that the tightly-abutting circular ring can drive the lower pressing rod to move.
The invention has the beneficial effects that:
1. the invention can solve the following problems existing in the prior hard alloy gear grinding, a, when the traditional hard alloy gear is ground, a file is needed to be manually used for grinding, metal scraps generated in the manual grinding affect the air environment of the hard alloy gear grinding, the manual grinding efficiency is lower, the processing precision is poorer, the use reliability is lower, and unnecessary economic loss is caused; and b, when the existing polishing equipment polishes the hard alloy gear, the clamping of the hard alloy gear is unstable, so that the polishing effect on the burrs of the hard alloy gear is difficult to guarantee, and the polishing efficiency and quality of the hard alloy gear can be improved.
2. According to the clamping device and the clamping mechanism, the connecting round rod is driven to rotate by the first motor, the connecting round rod can drive the jacking rod to move through the mutual matching operation between the hollow round rod, the jacking roller, the jacking rod, the arc plate, the rubber plate, the return spring rod and the abutting round rod, the jacking roller can drive the jacking rod to move, the jacking rod can clamp the hard alloy gear through the rubber plate on the arc plate, the abutting ring is driven to move through the clamping cylinder, and the abutting ring can clamp and position the connecting round rod through the mutual matching operation among the clamping round tube, the lower pressing rod, the arc panel, the tensioning spring rod and the rubber strip, so that the rubber strip on the arc panel can clamp and position the connecting round rod, the clamping stability of the hard alloy gear is improved, and a stable working environment is provided for polishing of the hard alloy gear.
3. According to the polishing device, the bidirectional cylinder drives the driving block to move, the driving block is matched with the square plate, the positioning round rod, the rotating plate and the polishing strip, so that the polishing strip can rotate to a proper polishing angle, the second motor drives the power round plate to rotate, the power round plate is matched with the long strip plate, the vibration spring rod and the flat plate, the vibration spring rod can drive the flat plate to do linear reciprocating motion, the polishing strip can polish a hard alloy gear, and polishing efficiency and quality of the hard alloy gear are improved.
4. According to the rotary device, the notch circular plate is driven to rotate by the third motor, and the notch circular plate is matched with the driven circular plate, the T-shaped circular plate and the L-shaped rod, so that the driven circular plate can drive the hard alloy gear clamped on the clamping device to rotate by a certain angle through the rotary circular rod, the grinding device can comprehensively grind the hard alloy gear, and the grinding comprehensiveness of the hard alloy gear is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of the operation of the present invention;
FIG. 2 is a schematic structural view of the gear grinding apparatus of the present invention;
FIG. 3 is a partial cross-sectional view of FIG. 2 of the present invention;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3 in accordance with the present invention;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3 in accordance with the present invention;
FIG. 6 is an enlarged view of the invention taken along line K of FIG. 3;
FIG. 7 is a partial schematic view of the rotary apparatus of the present invention;
fig. 8 is a partial structural schematic view of the polishing apparatus of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 8, a method for forming a cemented carbide gear mainly includes the following steps:
step one, preparing materials, namely preparing raw materials required by the production of the hard alloy gear, drying and crushing the raw materials, and uniformly mixing the raw materials to obtain hard alloy powder;
step two, performing extrusion operation, namely performing extrusion operation on the hard alloy powder obtained in the step one to obtain an extruded hard alloy material;
step three, drying and cutting, namely drying the extruded hard alloy material obtained in the step two, and cutting the dried hard alloy material into a gear shape after drying to obtain a hard alloy gear semi-finished product;
step four, sintering operation, namely sintering the semi-finished product of the hard alloy gear obtained in the step three, and naturally cooling to obtain a hard alloy gear blank;
step five, polishing treatment, namely placing the hard alloy gear blank obtained in the step four into gear polishing equipment to polish the hard alloy gear blank, and obtaining a hard alloy gear finished product after polishing;
and step six, checking and packaging, namely checking the hard alloy gear finished product obtained in the step five, reprocessing the hard alloy gear which is not detected, and packaging the hard alloy gear which is detected to be qualified to obtain the packaged hard alloy gear.
The gear grinding equipment used in the steps comprises a bottom plate 1, a clamping device 2, a positioning device 3, a rotating device 4 and a grinding device 5, wherein the clamping device 2 is installed on the bottom plate 1, the rotating device 4 is installed on the clamping device 2, the positioning device 3 is installed on the left portion of the bottom plate 1, and the grinding device 5 is installed on the left side, located on the positioning device 3, of the bottom plate 1.
The clamping device 2 comprises a U-shaped plate 2a, a rotary round rod 2b, a hollow round rod 2c, a first motor 2d, a jacking roller 2e, a jacking rod 2f, an arc-shaped plate 2g, a rubber plate 2h, a return spring rod 2i, a connecting round rod 2j and a propping round rod 2k, the U-shaped plate 2a is installed at the right end of the bottom plate 1, a rotary round groove is formed at the left end of the U-shaped plate 2a, the rotary round rod 2b is installed in the rotary round groove in a rotating fit mode, the hollow round rod 2c is installed at the left end of the rotary round rod 2b, the first motor 2d is installed at the middle part of the inner wall at the left end of the hollow round rod 2c, the connecting round rod 2j is installed at the output end of the first motor 2d, the left end of the connecting round rod 2j is installed on the inner wall at the left end of the hollow round rod 2c through a bearing, the jacking rollers 2e are evenly installed at the upper left end to the right end of the connecting round rod 2j, install jacking rod 2f through sliding fit's mode in the sliding hole, 2g of arc are installed to jacking rod 2f outer end, return spring bar 2i is installed to the symmetry around on the 2g lower extreme inner wall of arc, return spring bar 2i inner is connected on hollow round bar 2c outer wall, install rubber slab 2h on the 2g outer wall of arc, 2f inner of jacking rod is supported tightly on jacking roller 2e outer wall, install fixture 22 on the hollow round bar 2c left end inner wall, install on the hollow round bar 2c left end outer wall and support tight round bar 2k, support tight round bar 2k middle part and seted up the arc annular.
The outer wall of the jacking roller 2e is evenly provided with arc-shaped notches along the circumferential direction.
During specific work, the hard alloy gear that needs to be polished is sleeved on the outer wall of the rubber plate 2h on the arc-shaped plate 2g manually, the first motor 2d drives the connecting round rod 2j to rotate, the connecting round rod 2j drives the jacking roller 2e to rotate, the jacking roller 2e drives the jacking rod 2f to move towards the outer end, the jacking rod 2f drives the arc-shaped plate 2g to move towards the outer end, the arc-shaped plate 2g drives the rubber plate 2h to move towards the outer end, so that the rubber plate 2h is tightly supported on the inner wall of the hard alloy gear to clamp the hard alloy gear, and meanwhile, the arc-shaped plate 2g drives the return spring rod 2i to move, and the return spring rod 2i is in a stretching state.
The clamping mechanism 22 comprises a clamping cylinder 221, a clamping round tube 222, a butting round ring 223, a lower pressing rod 224, an arc panel 225, a tension spring rod 226 and a rubber strip 227, the inner wall of the left end of the hollow round rod 2c is provided with a clamping round tube 222, the upper end and the lower end of the inner wall of the clamping round tube 222 are symmetrically provided with through holes, a lower pressing rod 224 is arranged in the through holes in a sliding fit mode, the inner end of the lower pressing rod 224 is provided with an arc panel 225, tensioning spring rods 226 are symmetrically arranged on the outer wall of the arc panel 225 in a bilateral mode, the outer end of each tensioning spring rod 226 is connected onto the inner wall of the hollow round rod 2c, a rubber strip 227 is arranged on the inner wall of the arc panel 225, clamping cylinders 221 are symmetrically arranged on the inner wall of the left end of the hollow round rod 2c in the vertical mode, abutting rings 223 are arranged at the output end of each clamping cylinder 221, the abutting rings 223 are sleeved.
Support and be provided with the inclined ring groove along its circumferential direction on the ring 223 inner wall tightly, the lower depression bar 224 outer end is the inclined plane, and use mutually supporting between the inclined plane and the inclined ring groove of lower depression bar 224 outer end.
During specific work, rubber sheet 2h on the arc 2g accomplishes the back to carbide gear centre gripping, a motor 2d stall, centre gripping cylinder 221 drives and supports tight ring 223 motion, support tight ring 223 and drive depression bar 224 motion down through the inclined ring groove, depression bar 224 drives the motion of cambered plate 225 down, cambered plate 225 drives the motion of rubber strip 227, make rubber strip 227 support tightly on connecting round bar 2j outer wall, carry out centre gripping location operation to connecting round bar 2j, and simultaneously, cambered plate 225 drives the motion of take-up spring pole 226, make take-up spring pole 226 be in tensile state.
The positioning device 3 comprises a return plate 31, a fourth motor 32, a bidirectional threaded rod 33, a straight plate 34 and a rotary ball 35, the left part of the bottom plate 1 is positioned on the right side of the supporting plate 5a and is provided with a flat groove, the straight plate 34 is symmetrically arranged in the flat groove in a front-back sliding fit mode, the lower side of the straight plate 34 is provided with a transmission threaded groove, the outer wall of the inner end of the upper side of the straight plate 34 is provided with an arc groove, the inner wall of the arc groove is uniformly provided with a groove along the circumferential direction, the rotary ball 35 is arranged in the groove in a rotating fit mode, the rotary ball 35 and an arc ring groove on the abutting round rod 2k are mutually matched for use, the return plate 31 is symmetrically arranged on the front side and the rear side of the flat groove on the bottom plate 1, the fourth motor 32 is arranged on the outer wall of the return plate 31 at the front end of the bottom plate 1, the output end of the fourth motor 32 penetrates through the return plate 31 and is provided, and the bidirectional threaded rod 33 is installed in the driving threaded groove by means of threaded engagement.
During specific work, after the clamping and positioning of the connecting round rod 2j are completed, the motor 32 drives the bidirectional threaded rod 33 to rotate, the bidirectional threaded rod 33 drives the straight plate 34 to move towards the inner end in a threaded engagement mode, and the straight plate 34 drives the rotating ball 35 to move towards the inner end, so that the rotating ball 35 is abutted against the inner wall of the arc-shaped annular groove abutted to the round rod 2 k.
The polishing device 5 comprises a supporting plate 5a, an expansion link 5b, a lifting cylinder 5c, a cushion block 5d, a long slat 5e, a vibration spring rod 5f, a flat plate 5g, a long strip rod 5h, a square plate 5i, a positioning round rod 5j, a rotating plate 5k, a polishing spring rod 5l, a bidirectional cylinder 5m, a driving block 5n, a polishing strip 5o, a second motor 5p and a power circular plate 5q, wherein the left end of the bottom plate 1 is provided with the supporting plate 5a, the front and back upper ends of the supporting plate 5a and the U-shaped plate 2a are symmetrically provided with the expansion links 5b, the upper ends of the supporting plate 5a and the U-shaped plate 2a, which are positioned between the expansion link 5b, are connected through the cushion block 5d, the cushion blocks 5d are connected through the long slat 5e, the front and back of the left part of the long slat 5e are symmetrically provided with sliding grooves, a flat plate 5g is arranged in the sliding groove in a sliding fit mode, a vibration spring rod 5f is uniformly arranged on the outer wall of the right end of the flat plate 5g, the right end of the vibration spring rod 5f is connected on the outer wall of the left end of a cushion block 5d on a lifting cylinder 5c positioned on the U-shaped plate 2a, a long rod 5h is arranged in the middle of the flat plate 5g, a square plate 5i is arranged at the lower end of the long rod 5h, a square groove is symmetrically formed in the front end and the rear end of the square plate 5i from the left end to the right end, a positioning round rod 5j is arranged in the square groove through a bearing, a rotating plate 5k is arranged on the positioning round rod 5j, polishing spring rods 5l are symmetrically arranged on the rotating plate 5k from left to right, the upper end of each polishing spring rod 5l is connected on the outer wall of the lower end of the flat plate 5g, clamping grooves are symmetrically formed in the front and rear direction of the, and drive piece 5n and install in the draw-in groove through sliding fit's mode, drive piece 5n lower extreme is the inclined plane form, and drives 5n lower extreme and support tightly on rotor plate 5k, rotor plate 5k and square board 5i middle part all install the polishing strip 5o, No. two motors 5p are installed to rectangular board 5e upper end left side, No. two motor 5p output passes rectangular board 5e eccentric mounting and has power plectane 5q, and mutually support between power plectane 5q and the flat board 5g and use.
The middle of the bottom plate 1 is provided with a collecting box 11, and the lower end of the bottom plate 1 is uniformly provided with universal wheels 12.
When the grinding machine works, after the rotary balls 35 are tightly abutted against the inner wall of the arc-shaped ring groove on the abutting round rod 2k, the lifting cylinder 5c drives the cushion block 5d to move downwards to a proper grinding position, the cushion block 5d drives the long strip plate 5e to move downwards to a proper grinding position, the long strip plate 5e drives the flat plate 5g to move downwards to a proper grinding position, the bidirectional cylinder 5m drives the driving block 5n to move, the driving block 5n drives the rotating plate 5k to rotate, the rotating plate 5k drives the grinding strip 5o to rotate to abut against a hard alloy gear, meanwhile, the rotating plate 5k drives the grinding spring rod 5l to move, so that the grinding spring rod 5l is in an energy storage state, the second motor 5p drives the power round plate 5q to rotate, the power round plate 5q drives the flat plate 5g to move, the flat plate 5g drives the vibration spring rod 5f to move, under the action of rebounding and compressing of the vibration spring rod 5f, make vibrations spring beam 5f drive dull and stereotyped 5g and carry out straight reciprocating motion, dull and stereotyped 5g drives the operation of polishing to the carbide gear of strip 5o on square slab 5i and the rotor plate 5k, and the piece that produces when the carbide gear is polished falls into to collection box 11 in, and carbide gear upper portion is polished and is accomplished the back, and lift cylinder 5c drives cushion 5d and moves to the initial position to the upper end.
The driven groove of the driven circular plate 41 is an inclined notch groove, and the inclined notch groove and the L-shaped rod 43 are used in cooperation.
During specific work, after the lifting cylinder 5c drives the cushion block 5d to move to the starting position towards the upper end, the third motor 45 drives the notch circular plate 44 to rotate, the notch circular plate 44 drives the L-shaped rod 43 to rotate, the L-shaped rod 43 drives the driven circular plate 41 to rotate for a certain angle through the driven groove, the driven circular plate 41 drives the rotary circular rod 2b to rotate for a certain angle, the rotary circular rod 2b drives the hollow circular rod 2c to rotate for a certain angle, the hollow circular rod 2c drives the hard alloy gear clamped on the rubber plate 2h on the arc-shaped plate 2g to rotate for a certain angle, meanwhile, the notch circular plate 44 carries out positioning operation on the T-shaped circular plate 42, the grinding device 5 continues to work to grind the hard alloy gear, and the operation is repeated in such a way, the overall grinding operation can be carried out on the hard alloy gear, and after the hard alloy gear is ground, the clamping device 2, the, Grinding device 5 and rotary device 4 all move to the initial position, and the carbide gear of accomplishing of polishing is taken off to the manual work, and is repeated so, can carry out comprehensive operation of polishing to a plurality of carbide gears simultaneously.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A hard alloy gear forming processing method is characterized in that: the method mainly comprises the following steps:
step one, preparing materials, namely preparing raw materials required by the production of the hard alloy gear, drying and crushing the raw materials, and uniformly mixing the raw materials to obtain hard alloy powder;
step two, performing extrusion operation, namely performing extrusion operation on the hard alloy powder obtained in the step one to obtain an extruded hard alloy material;
step three, drying and cutting, namely drying the extruded hard alloy material obtained in the step two, and cutting the dried hard alloy material into a gear shape after drying to obtain a hard alloy gear semi-finished product;
step four, sintering operation, namely sintering the semi-finished product of the hard alloy gear obtained in the step three, and naturally cooling to obtain a hard alloy gear blank;
step five, polishing treatment, namely placing the hard alloy gear blank obtained in the step four into gear polishing equipment to polish the hard alloy gear blank, and obtaining a hard alloy gear finished product after polishing;
checking and packaging, namely checking the hard alloy gear finished product obtained in the step five, reprocessing the hard alloy gear which is not detected, and packaging the hard alloy gear which is detected to be qualified to obtain a packaged hard alloy gear;
the gear polishing equipment used in the steps comprises a bottom plate (1), a clamping device (2), a positioning device (3), a rotating device (4) and a polishing device (5), wherein the clamping device (2) is installed on the bottom plate (1), the rotating device (4) is installed on the clamping device (2), the positioning device (3) is installed on the left part of the bottom plate (1), and the polishing device (5) is installed on the left side, located on the positioning device (3), of the bottom plate (1);
the clamping device (2) comprises a U-shaped plate (2a), a rotary round rod (2b), a hollow round rod (2c), a first motor (2d), a jacking roller (2e), a jacking rod (2f), an arc-shaped plate (2g), a rubber plate (2h), a return spring rod (2i), a connecting round rod (2j) and a propping round rod (2k), wherein the U-shaped plate (2a) is installed at the right end of the bottom plate (1), a rotary round groove is formed in the left end of the U-shaped plate (2a), the rotary round rod (2b) is installed in the rotary round groove in a rotation matching mode, the hollow round rod (2c) is installed at the left end of the rotary round rod (2b), the first motor (2d) is installed in the middle of the inner wall of the left end of the hollow round rod (2c), the connecting round rod (2j) is installed at the output end of the first motor (2d), and the left end of the connecting round rod (2j) is installed on the inner wall of the hollow, jacking rollers (2e) are uniformly arranged from the left end to the right end of the upper connecting round rod (2j), sliding holes are uniformly formed in the inner wall of the hollow round rod (2c) from the left end to the right end along the circumferential direction of the hollow round rod, jacking rods (2f) are arranged in the sliding holes in a sliding fit mode, an arc plate (2g) is arranged at the outer end of each jacking rod (2f), return spring rods (2i) are symmetrically arranged on the inner wall of the lower end of each arc plate (2g) from front to back, the inner ends of the return spring rods (2i) are connected to the outer wall of the hollow round rod (2c), a rubber plate (2h) is arranged on the outer wall of the arc plate (2g), the inner ends of the jacking rods (2f) are abutted against the outer wall of the jacking rollers (2e), a clamping mechanism (22) is arranged on the inner wall of the left end of the hollow round rod (2c), a abutting round rod (2k) is arranged on the outer wall of the left;
grinding device (5) including backup pad (5a), telescopic link (5b), lift cylinder (5c), cushion (5d), rectangular board (5e), vibrations spring lever (5f), dull and stereotyped (5g), rectangular bar (5h), square plate (5i), location pole (5j), rotor plate (5k), grinding spring lever (5l), two-way cylinder (5m), drive piece (5n), grinding bar (5o), No. two motor (5p) and power plectane (5q), bottom plate (1) left end install backup pad (5a), telescopic link (5b) are installed to backup pad (5a) and U template (2a) upper end longitudinal symmetry, lift cylinder (5c) are installed to the clearance department that is located between telescopic link (5b) backup pad (5a) and U template (2a) upper end, lift cylinder (5c) output and telescopic link (5b) that are located on backup pad (5a) and U template (2a) The upper ends of the two square plates are connected through a cushion block (5d), the cushion blocks (5d) are connected through a long slat (5e), sliding grooves are symmetrically formed in the front and back of the left part of the long slat (5e), a flat plate (5g) is installed in the sliding grooves in a sliding fit mode, a vibration spring rod (5f) is uniformly installed on the outer wall of the right end of the flat plate (5g), the right end of the vibration spring rod (5f) is connected to the outer wall of the left end of the cushion block (5d) on a lifting cylinder (5c) located on a U-shaped plate (2a), a long rod (5h) is installed in the middle of the flat plate (5g), a square plate (5i) is installed at the lower end of the long rod (5h), square grooves are symmetrically formed in the front end and the rear end of the square plate (5i) from the left end to the right end, positioning round rods (5j) are installed in the square grooves through bearings, a rotating plate (5k), the upper end of a polishing spring rod (5l) is connected on the outer wall of the lower end of a flat plate (5g), clamping grooves are symmetrically formed in the middle of the flat plate (5g) in the front and back direction, a through groove is formed in the middle of a long rod (5h), a bidirectional cylinder (5m) is installed in the through groove, driving blocks (5n) are symmetrically installed in the front and back direction of the output end of the bidirectional cylinder (5m), the driving block (5n) is arranged in the clamping groove in a sliding fit mode, the lower end of the driving block (5n) is in an inclined plane shape, and drive piece (5n) lower extreme and support tightly on rotor plate (5k), rotor plate (5k) and square board (5i) middle part all install polishing strip (5o), No. two motor (5p) are installed to rectangular board (5e) upper end left side, and No. two motor (5p) output passes rectangular board (5e) eccentric mounting has power plectane (5q), and mutually support between power plectane (5q) and dull and stereotyped (5g) and use.
2. The method of forming a cemented carbide gear according to claim 1, wherein: the clamping mechanism (22) comprises a clamping cylinder (221), a clamping circular tube (222), a clamping circular ring (223), a lower pressing rod (224), an arc panel (225), a tensioning spring rod (226) and a rubber strip (227), wherein the clamping circular tube (222) is installed on the inner wall of the left end of the hollow circular rod (2c), through holes are symmetrically formed in the upper end and the lower end of the inner wall of the clamping circular tube (222), the lower pressing rod (224) is installed in the through holes in a sliding fit mode, the arc panel (225) is installed at the inner end of the lower pressing rod (224), the tensioning spring rod (226) is symmetrically installed on the outer wall of the arc panel (225) in the left-right direction, the outer end of the tensioning spring rod (226) is connected to the inner wall of the hollow circular rod (2c), the rubber strip (227) is installed on the inner wall of the arc panel (225), the clamping cylinder (221) is symmetrically installed on the inner wall of the left end, the tight-resisting ring (223) is sleeved on the outer wall of the clamping circular tube (222), and the inner wall of the tight-resisting ring (223) is tightly pressed against the outer end of the lower pressing rod (224).
3. The method of forming a cemented carbide gear according to claim 1, wherein: rotary device (4) including driven plectane (41), T type plectane (42), L type pole (43), breach plectane (44) and No. three motor (45), rotatory plectane (2b) right-hand member install driven plectane (41), driven plectane (41) are gone up and have evenly been seted up the driven tank along its circumferential direction, install T type plectane (42) on driven plectane (41) right-hand member outer wall, the arc groove has evenly been seted up along its circumferential direction on the outer wall of T type plectane (42) right-hand member, install No. three motor (45) on U template (2a) right-hand member inner wall, breach plectane (44) is installed to No. three motor (45) output, mutually support between breach plectane (44) and T type plectane (42) and use, lie in the breach upside on breach plectane (44) left end.
4. The method of forming a cemented carbide gear according to claim 1, wherein: the positioning device (3) comprises a return plate (31), a fourth motor (32), a two-way threaded rod (33), a straight plate (34) and a rotary bead (35), the left part of the bottom plate (1) is positioned on the right side of the support plate (5a) and is provided with a flat groove, the straight plate (34) is symmetrically arranged in the flat groove in the front and at the back in a sliding fit mode, a transmission threaded groove is arranged on the lower side of the straight plate (34), the outer wall of the inner end of the upper side of the straight plate (34) is provided with an arc-shaped groove, the inner wall of the arc-shaped groove is uniformly provided with a groove in the circumferential direction, the rotary bead (35) is arranged in the groove in a rotating fit mode, the rotary bead (35) and an arc-shaped ring groove on the abutting round rod (2k) are mutually matched for use, the return plate (31) is symmetrically arranged on the front side and at the back side of the flat groove on the bottom plate (, the output end of the fourth motor (32) penetrates through the return plate (31) to be provided with a bidirectional threaded rod (33), the rear end of the bidirectional threaded rod (33) is arranged on the inner wall of the return plate (31) positioned at the rear end of the bottom plate (1) through a bearing, and the bidirectional threaded rod (33) is arranged in a transmission thread groove in a thread meshing mode.
5. The method of forming a cemented carbide gear according to claim 1, wherein: the middle of the bottom plate (1) is provided with a collecting box (11), and the lower end of the bottom plate (1) is uniformly provided with universal wheels (12).
6. The method of forming a cemented carbide gear according to claim 3, wherein: the driven groove on the driven circular plate (41) is an inclined plane notch groove, and the inclined plane notch groove and the L-shaped rod (43) are matched with each other for use.
7. The method of forming a cemented carbide gear according to claim 1, wherein: the outer wall of the jacking roller (2e) is uniformly provided with arc-shaped notches along the circumferential direction.
8. The method of forming a cemented carbide gear according to claim 1, wherein: support and be provided with oblique annular groove along its circumferential direction on tight ring (223) inner wall, depression bar (224) outer end is the inclined plane, and use mutually supporting between the inclined plane of depression bar (224) outer end and the oblique annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011196080.4A CN112276099A (en) | 2020-10-31 | 2020-10-31 | Hard alloy gear forming processing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011196080.4A CN112276099A (en) | 2020-10-31 | 2020-10-31 | Hard alloy gear forming processing method |
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| CN112276099A true CN112276099A (en) | 2021-01-29 |
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| CN202011196080.4A Withdrawn CN112276099A (en) | 2020-10-31 | 2020-10-31 | Hard alloy gear forming processing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2080936A2 (en) * | 2008-01-16 | 2009-07-22 | Miba Sinter Austria GmbH | Sintered gear |
| WO2014148390A1 (en) * | 2013-03-22 | 2014-09-25 | 三菱重工業株式会社 | Gear machining apparatus |
| CN110394452A (en) * | 2019-08-29 | 2019-11-01 | 闫晶晶 | A kind of powder metallurgical gear manufacturing method |
| CN110948302A (en) * | 2019-12-13 | 2020-04-03 | 潘苗妃 | Petrochemical groove jar flange processing system |
| CN111130283A (en) * | 2020-01-15 | 2020-05-08 | 高峰 | Machining method for manufacturing motor rotor punching sheet |
| CN111283505A (en) * | 2020-04-02 | 2020-06-16 | 马闪 | Metal powder metallurgy product precision finishing equipment |
| CN111376119A (en) * | 2020-04-27 | 2020-07-07 | 赵大为 | A kind of batch processing method of stainless steel flange |
| CN111438570A (en) * | 2020-04-02 | 2020-07-24 | 马闪 | Precision processing method for sintered and molded metal powder metallurgy product |
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2020
- 2020-10-31 CN CN202011196080.4A patent/CN112276099A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2080936A2 (en) * | 2008-01-16 | 2009-07-22 | Miba Sinter Austria GmbH | Sintered gear |
| WO2014148390A1 (en) * | 2013-03-22 | 2014-09-25 | 三菱重工業株式会社 | Gear machining apparatus |
| CN110394452A (en) * | 2019-08-29 | 2019-11-01 | 闫晶晶 | A kind of powder metallurgical gear manufacturing method |
| CN110948302A (en) * | 2019-12-13 | 2020-04-03 | 潘苗妃 | Petrochemical groove jar flange processing system |
| CN111130283A (en) * | 2020-01-15 | 2020-05-08 | 高峰 | Machining method for manufacturing motor rotor punching sheet |
| CN111283505A (en) * | 2020-04-02 | 2020-06-16 | 马闪 | Metal powder metallurgy product precision finishing equipment |
| CN111438570A (en) * | 2020-04-02 | 2020-07-24 | 马闪 | Precision processing method for sintered and molded metal powder metallurgy product |
| CN111376119A (en) * | 2020-04-27 | 2020-07-07 | 赵大为 | A kind of batch processing method of stainless steel flange |
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