CN105171363A - Gear machining method through which sintering is performed while quenching is performed - Google Patents
Gear machining method through which sintering is performed while quenching is performed Download PDFInfo
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- CN105171363A CN105171363A CN201510463361.4A CN201510463361A CN105171363A CN 105171363 A CN105171363 A CN 105171363A CN 201510463361 A CN201510463361 A CN 201510463361A CN 105171363 A CN105171363 A CN 105171363A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
Abstract
The invention provides a gear machining method, and discloses a gear machining method through which sintering is performed while quenching is performed. The method aims at overcoming the technical defects that in the existing technology, the technology is complicated when gears are machined, machining time is long, the machining difficulty is large and machining cost is high. A gear comprises a gear body which is formed by stacking a plurality of sheet parts with teeth. The spaces between the sheet parts and the surface of the gear body are filled with metal powder. At least one connecting hole is formed in each sheet part. The connecting holes overlap to form a through hole after the sheet parts are stacked. The connecting holes are fixedly connected into the gear body through connecting pieces. After the gear body is quenched and cooled, the metal powder is solidified into metal, the spaces between the sheet parts of the gear body and the surface of the gear body are filled with the metal, and the gear is formed by stacking the sheet parts with the teeth; and by means of the gear machining method through which sintering is performed while quenching is performed on the whole gear, the technical purposes that the high-physical-performance gear is rapidly manufactured with the lost are achieved.
Description
Technical field
The present invention relates to a kind of processing method of gear, particularly relate to a kind of gear be formed by stacking by the toothed sheet parts of multi-disc, while overall gear quenching, carry out the gear working method sintered.
Background technology
Gear refers to, and wheel rim has tooth can engage the mechanical organ transmitting motion and power continuously, the initial gear drive of China was brought into use from the period of Three Kingdoms, started there is gear-driven record at B.C. 300 years abroad, therefore, gear drive at mechanical field from ancient times with regard to extensive use.
Common gear can be divided into cross section to be circular gear, the non-circular special shape gear of tooth bar and cross section from outward appearance.
Conventional gear working method is generally divided into form copying and generation method, such as: gear-hobbing machine gear hobbing process, milling machine Gear Milling, slotting machine Gear Shaping, cold forging machine forge the methods such as tooth processing, the processing of gear shaper gear-shaping, the processing of accurate casting tooth, the processing of gear grinding machines roll flute, the processing of die casting machine casting tooth, gear shaving machine processing.
Such as: produce common straight spur gear for form copyings such as gear-hobbing machine gear hobbing process, milling machine Gear Milling, slotting machine Gear Shaping, the processing of gear shaper gear-shaping, the processing of gear grinding machines roll flute, gear shaving machine processing, processing technology must have: → tempering that blanking → material forges (eliminate material fracture and pore) (reduce and cut difficulty) → outer garden profile and interior garden profile cut → line → calibration profiling Gear shape process → keyway processing → quenching → flank of tooth honing fine finishining → inspection → warehouse-in is carried out to each tooth.
Such as: forge the common straight spur gear of tooth processing for cold forging machine, processing technology must have: (technique is loaded down with trivial details, slightly to forge Mould Machining.) → heating materials → forge processing → gear surface roughing → heat treatment → gear surface fine finishining → inspection → warehouse-in; Each mould can only produce the gear of a model.
Such as: for the common straight spur gear of lost wax casting method precision casting tooth processing, processing technology must have: (technique is loaded down with trivial details, slightly for the processing of metal wax-pattern.) → wax-pattern is shaped, and (technique is loaded down with trivial details, slightly.) → sand mo(u)ld shaping → sand mo(u)ld dewaxing → metal melt → cast → the demoulding → sand removal → gear surface fine finishining → inspection → warehouse-in; Cast gear is generally not suitable for heat treatment process, and therefore, the strength of gear of production is little, generally can not heat treatment further, and each mould can only produce the gear of a model.
Such as: the common straight spur gear of metal dust die casting machine casting tooth processing is example, and processing technology must have: (technique is loaded down with trivial details, slightly for Mould Machining.) → metal dust die casting machine casting tooth → gear surface fine finishining → inspection → warehouse-in; Cast gear is generally not suitable for heat treatment process, and therefore, the strength of gear of production is little, generally can not heat treatment further, and each mould can only produce the gear of a model.
In order to ensure physical accuracy and the mechanical strength of gear, no matter adopt above arbitrary processing method, all have that actual processing technology complexity, long processing time, difficulty of processing are large, processing cost high-technology defect, these technological deficiencies are more outstanding when production large gear or special shape gear.
Summary of the invention
The technical problem that the present invention solves is: complex process during in order to solve prior art machining gears, long processing time, difficulty of processing are large, processing cost high-technology defect, a kind of processing method of gear is provided, particularly relate to a kind of gear be formed by stacking by the toothed sheet parts of multi-disc, carry out the gear working method sintered while overall gear quenching, reach low cost, manufacture the technical purpose of high physical property gear fast.
The technical scheme of technical solution problem of the present invention is:
In order to achieve the above object, the gear working method sintered is carried out in a kind of quenching provided by the invention simultaneously, described gear comprises gear mass, gear mass is formed by stacking mutually by the toothed sheet parts of multi-disc, between each sheet parts and surface is filled with metal powder, described sheet parts has a connecting hole at least, connecting hole after the superposition of multi-disc sheet parts is overlapped into through hole, gear mass is fixedly connected into connector between connecting hole, gear mass is after quenching and cool, metal powder is frozen into metal and is filled between each sheet parts of gear mass and the surface of gear mass, it is characterized in that procedure of processing is as follows:
Step 1): sheet metal is machined into toothed sheet parts; Described sheet parts has a connecting hole at least;
Step 2): the mould then multi-disc sheet parts being entered gear shape carries out stacking splicing, formative gear moulding, and the connecting hole after the superposition of multi-disc sheet parts is overlapped into through hole;
Step 3): be then fixed connection by inserting connector between the connecting hole of the gear after above-mentioned moulding, formative gear body;
Step 4): carry out the inspection of semifinished product to described gear mass, the qualified gear mass reaching drawing configuration design requirement enters next step, and defective gear mass is checked after entering the mould squeezing shaping of gear shape again, enters next step after qualified;
Step 5): then by the surperficial prefluxing of said gear body;
Step 6): then at the outer matel coated powder of scaling powder, metal powder is filled between each sheet parts;
Step 7): then quenched by the gear scribbling metal powder, while quenching, gear surface is sintered into one, and forms the sintered gear(s) of quenching;
Step 8): then the gear of above-mentioned thermal sintering is carried out product inspection, qualified finished gear warehouse-in, defective gear is checked after carrying out the process of gear outer contour surface again, the finished gear warehouse-in after qualified.
A processing method for the gear be more preferably, completes gear mass quenching in vacuum tank.
A kind of processing method of the gear be more preferably, when quenching in vacuum tank, close vavuum pump, open intake valve fast, make air inlet fast in vacuum tank, by the time, in vacuum tank when pressure and normal-pressure balance, close intake valve and reopen vavuum pump and carry out negative-pressure ward, above-mentioned rapid pressure and fast decompression process hocket once.
A processing method for the gear be more preferably, adopts wherein a kind of method of punching press, Linear cut, laser cutting, plasma cut, the cutting of high pressure liquid muscle power, by toothed for sheet metal machine-shaping sheet parts.
A processing method for the gear be more preferably, the metal powder of outer painting is selected from the mixing of following any one or two or more arbitrary proportions: lead powder, glass putty, copper powder, aluminium powder.
A processing method for the gear be more preferably, quenching adopts high-frequency quenching, mid frequency induction hardening or heat-treatment furnace heating quenching.
A kind of processing method of the gear be more preferably, when producing long tooth bar, on the mould of rack shapes, the sheet parts of long rack-shaped is connected to form with thin slice rack-shaped part more than a slice, the mode that the long rack-shaped sheet parts that the long rack-shaped sheet parts of upper a slice splicing and lower a slice are spliced carries out staggered superposition is spliced, form long rack shapes with the sheet parts of the long rack-shaped of multi-layer spliced, and the connecting hole after the long rack-shaped sheet parts superposition of multi-disc is overlapped into through hole.
A kind of processing method of the gear be more preferably, when producing circular gear, on the mould of gear shape, circular sheet parts is connected to form with shaping thin slice circular arc part more than a slice, the mode that the sheet parts of the circle that the sheet parts of circle of last layer splicing and lower one deck splice carries out staggered superposition is spliced, with the sheet parts formative gear shape of the circle of multi-layer spliced, and the connecting hole after the superposition of the sheet parts of multi-layer circular is overlapped into through hole.
A kind of processing method of the gear be more preferably, when producing special shape gear, on the mould of special shape gear shape, the sheet parts of special shape gear is connected to form with the fragment of the sheet parts of shaping special shape gear more than a slice, the mode that the sheet parts of the special shape gear that the sheet parts of special shape gear of last layer splicing and lower one deck splice carries out staggered superposition is spliced, with the sheet parts formative gear shape of the circle of multi-layer spliced, and the connecting hole after the superposition of the sheet parts of multi-layer circular is overlapped into through hole.
Compare with current gear machining technology, the Advantageous Effects that the present invention obtains is: quenching sinters simultaneously, saves technological process, simplified processing process, shorten process time, the metal powder that scaling powder is coated with outward is lead powder, glass putty, copper powder, copper alloy powder, be all flexible metallic material after terne metal powder solidifies, after stressed extruding, flexible metal can be extruded from the flank of tooth or remove, and does not affect tooth face hardness and flank of tooth physical parameter, reduces difficulty of processing, reaches low cost, the technical purpose of the high physical property gear of quick manufacture, complex process when solving prior art machining gears, long processing time, difficulty of processing is large, processing cost high-technology defect, vacuum state can discharge the gas in the metallic solution after metal powder thawing, when quenching in vacuum tank, rapid pressure and fast decompression process hocket, and make granulated metal in gear mass, produce motion after liquefaction, in accelerating gear body, air is discharged, make in gear mass finer and close, improve gear mass mechanical performance, and produce large gear or the more outstanding above-mentioned technological deficiency of special shape gear, simplified processing process of the present invention, shorten process time, reduce difficulty of processing, reach low cost, the technical purpose of the high physical property gear of quick manufacture, complex process when solving prior art machining gears, long processing time, difficulty of processing is large, processing cost high-technology defect, and produce the more outstanding above-mentioned technological deficiency of large gear or special shape gear, practicality is large.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1: be process chart of the present invention.
Fig. 2: be thin slice rack-shaped part schematic diagram of the present invention.
Fig. 3: be that the mould that thin slice rack-shaped part of the present invention enters rack shapes carries out stacking splicing formative gear moulding schematic diagram.
Fig. 4: be the present invention's short rack-shaped gear mass schematic diagram.
Fig. 5: be the present invention when producing long tooth bar, rack-shaped arrangements of components method schematic diagram.
Fig. 6: be the present invention when producing long tooth bar, sheet parts enters mould and carries out stacking splicing formative gear moulding schematic diagram.
Fig. 7: be the present invention's long rack-shaped gear mass schematic diagram.
Fig. 8: be thin slice circular pieces schematic diagram of the present invention.
Fig. 9: when being thin slice circular pieces of the present invention production gear, thin slice circular pieces aligning method schematic diagram.
Figure 10: be that thin slice circular pieces of the present invention produces straight spur gear shape gear mass schematic diagram.
Figure 11: be the semicircle part schematic diagram of thin slice of the present invention.
Figure 12: when being thin slice of the present invention semicircle part production gear, thin slice semicircle arrangements of components method schematic diagram.
Figure 13: when being thin slice of the present invention semicircle part production gear, the semicircle part of thin slice stacks schematic diagram.
Figure 14: schematic diagram when being thin slice of the present invention semicircle part production straight spur gear.
Figure 15: be thin slice 1/4 circular pieces schematic diagram of the present invention.
Figure 16: when being thin slice 1/4 circular pieces of the present invention production gear, thin slice 1/4 circular pieces aligning method schematic diagram.
Figure 17: when being thin slice 1/4 circular pieces of the present invention production gear, thin slice 1/4 circular pieces stacks schematic diagram.
Figure 18: be that thin slice 1/4 circular pieces of the present invention produces straight spur gear shape gear mass schematic diagram.
Figure 19: be that thin slice circular pieces of the present invention produces helical gears shape gear mass schematic diagram.
Figure 20: be that helical gears shape gear mass schematic diagram produced by the semicircle part of thin slice of the present invention.
Figure 21: be that thin slice 1/4 circular pieces of the present invention produces helical gears shape gear mass schematic diagram.
Figure 22: be that thin slice circular pieces of the present invention produces bevel gear body schematic diagram.
Figure 23: be that bevel gear body schematic diagram produced by the semicircle part of thin slice of the present invention.
Figure 24: be that thin slice 1/4 circular pieces of the present invention produces bevel gear body schematic diagram.
Figure 25: be thin slice internal gear parts schematic diagram of the present invention.
Figure 26: be the gear mass schematic diagram that thin slice internal gear parts of the present invention produces internal gear.
Figure 27: be thin slice 1/2 internal gear parts schematic diagram of the present invention.
Figure 28: arrangements of components method schematic diagram when being thin slice 1/2 internal gear parts of the present invention production internal gear.
Figure 29: be the superposition schematic diagram that thin slice 1/2 internal gear parts of the present invention produces internal gear.
Figure 30: be thin slice 1/4 internal gear parts schematic diagram of the present invention.
Figure 31: arrangements of components method schematic diagram when being thin slice 1/4 internal gear parts of the present invention production internal gear.
Figure 32: be the superposition schematic diagram that thin slice 1/4 internal gear parts of the present invention produces internal gear.
Figure 33: be thin slice special-shaped part schematic diagram of the present invention.
Figure 34: arrangements of components method schematic diagram when being thin slice special-shaped part of the present invention production special shape gear.
Figure 35: be the gear mass schematic diagram that thin slice special-shaped part of the present invention produces special shape gear.
Figure 36: be thin slice 1/2 special-shaped part schematic diagram of the present invention.
Figure 37: arrangements of components method schematic diagram when being thin slice 1/2 special-shaped part of the present invention production special shape gear.
Figure 38: be the gear mass schematic diagram that thin slice 1/2 special-shaped part of the present invention produces special shape gear.
1. sheet parts in figure, 1-1. thin slice rack-shaped part, 1-2. thin slice circular pieces, 1-3. thin slice left semicircle shape part, 1-4. thin slice right semicircular part, first circular pieces of 1-5. thin slice, 1-6. thin slice lower semi-circular part, 1-7. upper thin slice 1/4 circular pieces, thin slice 1/4 circular pieces under 1-8., 1-9. right thin slice 1/4 circular pieces, 1-10. left thin slice 1/4 circular pieces, 1-11. upper left thin slice 1/4 circular pieces, 1-12. upper right thin slice 1/4 circular pieces, 1-13. bottom left thin slice 1/4 circular pieces, 1-14. bottom right thin slice 1/4 circular pieces, 1-15. thin slice special shape gear part, the left half special shape gear part of 1-16. thin slice, the right half special shape gear part of 1-17. thin slice, first special shape gear part of 1-18. thin slice, second special shape gear part of 1-19. thin slice, 1-20. thin slice internal gear parts, 1-21. thin slice 1/2 internal gear parts, 1-22. thin slice 1/4 internal gear parts, 2. connecting hole, 3. the mould of gear shape, 4. tie point, 5. gear mass, the short tooth bar of 5-1., the long tooth bar of 5-2., 5-3. straight spur gear, 5-4. cylindric spiral gear, 5-5. helical gear.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention will be further described, but protection domain of the presently claimed invention is not limited to the scope described by specific embodiment.
Example 1: as shown in Fig. 1 to Figure 38, the gear working method sintered is carried out in disclosed a kind of quenching simultaneously, described gear comprises gear mass 5, gear mass 5 is formed by stacking mutually by the toothed sheet parts 1 of multi-disc, between each sheet parts 1 and surface is filled with metal powder, described sheet parts 1 has a connecting hole 2 at least, connecting hole 2 after multi-disc sheet parts 1 superposes is overlapped into through hole, gear mass 5 is fixedly connected into connector between connecting hole 2, gear mass 5 is after quenching and cool, metal powder is frozen into metal and is filled between each sheet parts 1 of gear mass 5 and the surface of gear mass 5, it is characterized in that procedure of processing is as follows:
Step 1): sheet metal is machined into toothed sheet parts 1; Described sheet parts 1 has a connecting hole 2 at least;
Step 2): the mould 3 then multi-disc sheet parts 1 being entered gear shape carries out stacking splicing, formative gear moulding, and the connecting hole 2 after multi-disc sheet parts 1 superposes is overlapped into through hole;
Step 3): be then fixed connection by inserting connector between the connecting hole of the gear after above-mentioned moulding, formative gear body 5;
Step 4): carry out the inspection of semifinished product to described gear mass 5, the qualified gear mass 5 reaching drawing configuration design requirement enters next step, and defective gear mass 5 is checked after entering mould 3 squeezing shaping of gear shape again, enters next step after qualified;
Step 5): then by the surperficial prefluxing of said gear body 5;
Step 6): then at the outer matel coated powder of scaling powder, metal powder is filled between each sheet parts;
Step 7): then quenched by the gear scribbling metal powder, while quenching, gear surface is sintered into one, and forms the sintered gear(s) of quenching;
Step 8): then the gear of above-mentioned thermal sintering is carried out product inspection, qualified finished gear warehouse-in, defective gear is checked after carrying out the process of gear outer contour surface again, the finished gear warehouse-in after qualified.
Example 2: as shown in Figures 1 to 4, adopt the method manufacturing gear strip of example 1, step is:
Step 1): wherein a kind of method that the 45# steel plate of 0.2mm thickness adopts punching press, Linear cut, laser cutting, plasma cut, high pressure liquid muscle power to cut is processed into thin slice rack-shaped part 1-1, and thin slice rack-shaped part 1-1 has two connecting holes 2;
Step 2): the mould 3 then 8 plate sheet rack-shaped part 1-1 being entered rack shapes carries out stacking splicing, forms tooth bar moulding, and the connecting hole 2 after 8 plate sheet rack-shaped part 1-1 superpose is overlapped into through hole;
Step 3): being then fixed connection by inserting the connector such as rivet or bolt between the connecting hole of the tooth bar after above-mentioned moulding, forming short tooth bar 5-1;
Step 4): carry out the inspection of semifinished product to described short tooth bar 5-1, the qualified short tooth bar 5-1 reaching drawing configuration design requirement enters next step, again checks, enter next step after qualified after defective short tooth bar 5-1 enters tooth bar mould squeezing shaping;
Step 5): then by the surperficial prefluxing of above-mentioned short tooth bar 5-1;
Step 6): be then coated with No. 45 high-carbon comminuted steel shots outward at scaling powder, metal powder is filled between each sheet parts;
Step 7): then the tooth bar scribbling metal powder is quenched, while quenching, short tooth bar 5-1 surface is sintered into one, form the short tooth bar 5-1 of sintering of quenching, quenching adopts any one of the technique such as high-frequency quenching, mid frequency induction hardening or heat-treatment furnace heating quenching;
Step 8): then the short tooth bar 5-1 of above-mentioned thermal sintering is carried out product inspection, the short tooth bar 5-1 of qualified finished product puts in storage, and defective tooth bar is checked after carrying out the process of gear outer contour surface again, the finished gear warehouse-in after qualified.
Example 3: as Fig. 1, shown in Fig. 2 and Fig. 5 to Fig. 7, the method of example 1 is adopted to add section chief's tooth bar, when producing long tooth bar, the aligning method of thin slice rack-shaped part 1-1 is: first on the mould of rack shapes, the sheet parts of long rack-shaped is connected to form with thin slice rack-shaped part 1-1 more than a slice, then sheet parts multilayer being connected to form long rack-shaped superposes, the mode that the long rack-shaped sheet parts that the long rack-shaped sheet parts of upper a slice splicing and lower a slice are spliced carries out staggered superposition is spliced, long rack shapes is formed with the sheet parts of the long rack-shaped of multi-layer spliced, and the connecting hole after the long rack-shaped sheet parts superposition of multi-disc is overlapped into through hole.
Example 4: as shown in Fig. 1 and Fig. 8 to Figure 10, adopt the method machining cylindrical gear of example 1, step is:
Step 1): wherein a kind of method that the 45# steel plate of 0.8mm thickness adopts punching press, Linear cut, laser cutting, plasma cut, high pressure liquid muscle power to cut is processed into thin slice circular pieces 1-2, thin slice circular pieces 1-2 there are 4 connecting holes 2, outside diameter of gear 100mm;
Step 2): the mould 3 then 30 plate sheet circular pieces 1-2 being entered roller gear shape carries out stacking splicing, forms roller gear moulding, and the connecting hole 2 after 30 plate sheet circular pieces 1-2 superpose is overlapped into through hole;
Step 3): being then fixed connection by inserting the connector such as rivet or bolt between the connecting hole of the roller gear after above-mentioned moulding, forming straight spur gear 5-3;
Step 4): the inspection of semifinished product is carried out to described straight spur gear 5-3, the qualified straight spur gear 5-3 reaching drawing configuration design requirement enters next step, defective straight spur gear 5-3 checks after entering tooth bar mould squeezing shaping again, enters next step after qualified;
Step 5): then by the surperficial prefluxing of above-mentioned straight spur gear 5-3;
Step 6): the metal powder be then coated with outward at scaling powder is selected from the mixing of following any one or two or more arbitrary proportions: lead powder, glass putty, copper powder, aluminium powder;
Step 7): then the tooth bar scribbling metal powder is quenched, while quenching, straight spur gear 5-3 surface is sintered into one, form the sintering straight spur gear 5-3 of quenching, quenching adopts any one of the technique such as high-frequency quenching, mid frequency induction hardening or heat-treatment furnace heating quenching, quenches to complete in vacuum tank;
Step 8): then the straight spur gear 5-3 of above-mentioned thermal sintering is carried out product inspection, qualified finished product straight spur gear 5-3 puts in storage, and defective tooth bar is checked after carrying out the process of gear outer contour surface again, the finished gear warehouse-in after qualified.
Example 5: as shown in Fig. 1, Fig. 8, Fig. 9 and Figure 19, adopt the method for above-mentioned example 1 and example 4 when processing column helical gear, the mould that thin slice circular pieces 1-2 enters cylindric spiral gear shape carries out stacking splicing, can cylindric spiral gear be processed, when quenching in vacuum tank, close vavuum pump, open intake valve fast, make air inlet fast in vacuum tank, when waiting until pressure and normal-pressure balance in vacuum tank, cut out intake valve reopens vavuum pump and carries out negative-pressure ward.
Example 6: as shown in Fig. 1, Fig. 8, Fig. 9 and Figure 22, adopt the method for above-mentioned example 1 and example 4 when processing turriform helical gear, the mould entering turriform helical shape with the thin slice circular pieces 1-2 of different-diameter carries out stacking splicing, turriform helical gear can be processed, when quenching in vacuum tank, close vavuum pump, open intake valve fast, make air inlet fast in vacuum tank, by the time in vacuum tank when pressure and normal-pressure balance, cut out intake valve reopens vavuum pump and carries out negative-pressure ward, and above-mentioned rapid pressure and fast decompression process hocket twice.
Example 7: as shown in Fig. 1, Figure 33 to 35, adopts the method for above-mentioned example 1 and example 4 when processing profiled gear, and the mould that thin slice special shape gear part 1-15 enters special shape gear shape carries out stacking splicing, can process special shape gear.
Example 8: as shown in Figure 1, Figure 25, shown in Figure 26, adopt the method for above-mentioned example 1 and example 4 when machining interal, the mould that thin slice internal gear parts 1-20 enters internal gear shape carries out stacking splicing, can process internal gear.
Example 9: as shown in Fig. 1, Figure 11 to Figure 14, when adopting the method machining cylindrical gear of above-mentioned example 1;
Step 1): wherein a kind of method that the 45# steel plate of 2.5mm thickness adopts punching press, Linear cut, laser cutting, plasma cut, high pressure liquid muscle power to cut is processed into the semicircle part of thin slice, outside diameter of gear 600mm;
Thin slice left semicircle shape part 1-3, thin slice right semicircular part 1-4, thin slice first circular pieces 1-5 and thin slice lower semi-circular part 1-6 is formed after the semicircle part of thin slice rotates;
Step 2): then thin slice left semicircle shape part 1-3 and thin slice right semicircular part 1-4 is entered the mould 3 of roller gear shape as bottom, placing sheets first circular pieces 1-5 and thin slice lower semi-circular part 1-6 on it, placing sheets left semicircle shape part 1-3 and thin slice right semicircular part 1-4 again after stacking, two-layer mutual circulation repeats placement 20 layers above, staggered superposition between every one deck, form roller gear moulding, the connecting hole 2 after superposition is overlapped into through hole;
Step 3) identical with example 4 to step 8).
Example 10: as shown in Fig. 1, Figure 11 to Figure 13 and Figure 20, adopt the method for above-mentioned example 1 and example 9 when processing column helical gear, the mould that the semicircle part of thin slice enters cylindric spiral gear shape carries out staggered superposition splicing, can process the cylindric spiral gear of medium-sized volume.
Example 11: as shown in Fig. 1, Figure 11 to Figure 13 and Figure 23, adopt the method for above-mentioned example 1 and example 9 to example 10 when processing turriform helical gear, carry out staggered superposition splicing with the mould that the semicircle part of the thin slice of different-diameter enters turriform helical shape, the turriform helical gear of medium-sized volume can be processed.
Example 12: as shown in Fig. 1, Figure 36 to Figure 38, adopt the method for above-mentioned example 1 and example 9 to example 10 when processing profiled gear, the mould that the left half special shape gear part 1-16 thin slice of thin slice right half first special shape gear part of special shape gear part 1-17 thin slice 1-18, second special shape gear part of thin slice 1-19 enter special shape gear shape carries out stacking splicing, can process the special shape gear of medium-sized volume.
Example 13: as shown in Figure 1, Figure 2 shown in 7 to Figure 29, when adopting the method machining interal of above-mentioned example 1 and example 9 to example 10, the mould that thin slice 1/2 internal gear parts 1-21 enters internal gear shape carries out stacking splicing, can process the internal gear of medium-sized volume.
Example 14: as shown in Fig. 1, Figure 15 to Figure 18, when adopting the method for example 1 to process medium-and-large-sized roller gear;
Step 1): wherein a kind of method that the steel plate of 5mm thickness adopts punching press, Linear cut, laser cutting, plasma cut, high pressure liquid muscle power to cut is processed into thin slice 1/4 circular pieces, outside diameter of gear 1200mm;
Thin slice 1/4 circular pieces is formed after rotating: upper thin slice 1/4 circular pieces 1-7, lower thin slice 1/4 circular pieces 1-8, right thin slice 1/4 circular pieces 1-9, left thin slice 1/4 circular pieces 1-10, upper left thin slice 1/4 circular pieces 1-11, upper right thin slice 1/4 circular pieces 1-12, bottom left thin slice 1/4 circular pieces 1-13, bottom right thin slice 1/4 circular pieces 1-14;
Step 2): then upper thin slice 1/4 circular pieces 1-7 and lower thin slice 1/4 circular pieces 1-8 and right thin slice 1/4 circular pieces 1-9 and left thin slice 1/4 circular pieces 1-10 is entered the mould 3 of roller gear shape as bottom, it places upper left thin slice 1/4 circular pieces 1-11 and upper right thin slice 1/4 circular pieces 1-12 and bottom left thin slice 1/4 circular pieces 1-13 and bottom right thin slice 1/4 circular pieces 1-14, two-layer mutual circulation repeats placement 40 layers above, staggered superposition between every one deck, form roller gear moulding, the connecting hole 2 after superposition is overlapped into through hole;
Step 3) identical with example 4 to step 8);
When quenching in vacuum tank, close vavuum pump, open intake valve fast, make air inlet fast in vacuum tank, by the time, in vacuum tank when pressure and normal-pressure balance, close intake valve and reopen vavuum pump and carry out negative-pressure ward, above-mentioned rapid pressure and fast decompression process hocket three times.
Example 15: as shown in Fig. 1, Figure 15 to Figure 17 and Figure 21, when adopting the method processing column helical gear of example 1 and example 14, the mould that thin slice 1/4 circular pieces enters cylindric spiral gear shape carries out staggered superposition splicing, can process the cylindric spiral gear of medium-sized volume.
Example 16: as shown in Fig. 1, Figure 15 to Figure 17 and Figure 24, when adopting the processing turriform helical gear of example 1 and example 14, the mould entering turriform helical shape with thin slice 1/4 circular pieces of different-diameter carries out staggered superposition splicing, can process the turriform helical gear of medium-sized volume.
Example 17: as shown in Fig. 1, Figure 15-17, adopt the method for example 1 and example 14 when processing profiled gear, 4 plate sheet 1/4 special shape gear parts are entered the mould of special shape gear shape as bottom, it places other 4 plate sheet 1/4 special shape gear parts, two-layer mutual circulation repeats placement 50 layers above, staggered superposition between every one deck, forms special shape gear moulding, connecting hole 2 after superposition is overlapped into through hole, can process the special shape gear of medium-sized volume.
Example 18: as shown in Fig. 1, Figure 30 to Figure 32, adopt the method for example 1 and example 14 when machining interal, 4 plate sheet 1/4 internal gear parts 1-22 are entered the mould of internal gear shape as bottom, it places other 4 plate sheet 1/4 internal gear parts 1-22, two-layer mutual circulation repeats placement 60 layers above, staggered superposition between every one deck, forms internal gear moulding, connecting hole 2 after superposition is overlapped into through hole, can process the internal gear of medium-sized volume.
Example 19: when producing large gear, according to the concrete shape of gear contour dimension and gear, is divided into the web gear part of some deciles according to the number of teeth by gear;
Such as: thin slice 1/8 gear part, thin slice 1/16 gear part, thin slice 1/24 gear part, thin slice 1/30 gear part, thin slice 1/40 gear part;
Such as: produce diameter more than 20 meters ultra-large type gears time, can the limit two of gear gear teeth are divided into a slice web gear part;
The web gear part of above-mentioned segmentation is according to segmentation multiple, the cross section of complete gear is formed after rotary splicing, the mould of gear shape is entered as bottom after the web gear part splicing of above-mentioned segmentation, it places the spliced web gear part of other one deck, two-layer mutual circulation repeats to place the thickness needed, staggered superposition between every one deck, formative gear moulding above, connecting hole 2 after superposition is overlapped into through hole, can process the gear of large-scale volume.
Below by reference to the accompanying drawings embodiments of the present invention are explained in detail; but the present invention is not limited thereto; in the ken that person of ordinary skill in the field possesses; can also make a variety of changes under the prerequisite not departing from present inventive concept; person of ordinary skill in the field is from above-mentioned design; without performing creative labour, done all conversion, all drop within protection scope of the present invention.
Claims (9)
1. quench the gear working method simultaneously carrying out sintering, and comprise gear mass (5), gear mass (5) is formed by stacking mutually by the toothed sheet parts of multi-disc (1), it is characterized in that:
Procedure of processing is as follows:
Step 1): sheet metal is machined into toothed sheet parts, and (1, described sheet parts (has a connecting hole (2 at least on 1;
Step 2): the mould (3) then multi-disc sheet parts (1) being entered gear shape carries out stacking splicing, formative gear moulding, and the connecting hole (2) after multi-disc sheet parts (1) superposition is overlapped into through hole;
Step 3): be then fixed connection, formative gear body (5) by inserting connector between the connecting hole (2) of the gear after above-mentioned moulding;
Step 4): carry out the inspection of semifinished product to described gear mass (15), qualified gear mass (15) enters next step, and defective gear mass (5) is checked after entering the mould squeezing shaping of gear shape again, enters next step after qualified;
Step 5): then by the surperficial prefluxing of said gear body (5);
Step 6): then at the outer matel coated powder of scaling powder, metal powder is filled between each sheet parts (1);
Step 7): then quenched by the gear scribbling metal powder, while quenching, gear surface is sintered into one, and forms the sintered gear(s) of quenching;
Step 8): then the gear of above-mentioned thermal sintering is carried out product inspection, qualified finished gear warehouse-in, defective gear is checked after carrying out the process of gear outer contour surface again, the finished gear warehouse-in after qualified.
2. the gear working method that sinters is carried out in a kind of quenching according to claim 1 simultaneously, it is characterized in that: the wherein a kind of method adopting punching press, Linear cut, laser cutting, plasma cut, the cutting of high pressure liquid muscle power, by toothed for sheet metal machine-shaping sheet parts (1).
3. the gear working method that sinters is carried out in a kind of quenching according to claim 1 simultaneously, it is characterized in that: the outer metal powder be coated with is selected from the mixing of following any one or two or more arbitrary proportions: lead powder, glass putty, copper powder, aluminium powder.
4. the gear working method that sinters is carried out in a kind of quenching according to claim 1 simultaneously, it is characterized in that: in vacuum tank, complete gear mass (5) quenching.
5. the gear working method that sinters is carried out in a kind of quenching according to claim 1 simultaneously, it is characterized in that: quenching adopts wherein a kind of method of high-frequency quenching, mid frequency induction hardening or heat-treatment furnace quenching.
6. the gear working method sintered is carried out in the quenching according to claim 1-5 simultaneously, when producing long tooth bar (5-2), the aligning method of the sheet parts (1) of rack-shaped, it is characterized in that: on the mould of rack shapes, the sheet parts (1) of long tooth bar (5-2) shape is connected to form with thin slice rack-shaped part (1-1) more than a slice, the mode that long tooth bar (5-2) shape sheet parts (1) that long tooth bar (5-2) shape sheet parts (1) of upper a slice splicing and lower a slice are spliced carries out staggered superposition is spliced, long tooth bar (5-2) shape is formed with the sheet parts (1) of long tooth bar (5-2) shape of multi-layer spliced, and the connecting hole (2) after the long tooth bar of multi-disc (5-2) shape sheet parts (1) superposition is overlapped into through hole.
7. the gear working method that the quenching according to claim 1-5 is carried out sintering simultaneously is when producing circular gear, the aligning method of sheet parts (1), it is characterized in that: on the mould (3) of gear shape, circular sheet parts (1) is connected to form with shaping thin slice circular arc part more than a slice, the mode that the sheet parts (1) of the circle that sheet parts (1) and lower one deck of the circle of last layer splicing splice carries out staggered superposition is spliced, with the sheet parts of the circle of multi-layer spliced (1) formative gear shape, and the connecting hole (2) after the sheet parts of multi-layer circular (1) superposition is overlapped into through hole.
8. a kind of gear working method that the quenching according to claim 1-5 is carried out sintering simultaneously is when producing special shape gear, the aligning method of sheet parts (1), it is characterized in that: on the mould (3) of special shape gear shape, the sheet parts (1) of special shape gear is connected to form with the fragment of the sheet parts (1) of shaping special shape gear more than a slice, the mode that the sheet parts (1) of the special shape gear that sheet parts (1) and lower one deck of the special shape gear of last layer splicing splice carries out staggered superposition is spliced, with the sheet parts of the circle of multi-layer spliced (1) formative gear shape, and the connecting hole (2) after the sheet parts of multi-layer circular (1) superposition is overlapped into through hole.
9. the gear working method that sinters is carried out in a kind of quenching according to claim 4 simultaneously, it is characterized in that: when quenching in vacuum tank, close vavuum pump, open intake valve fast, make air inlet fast in vacuum tank, by the time, in vacuum tank when pressure and normal-pressure balance, close intake valve and reopen vavuum pump and carry out negative-pressure ward, above-mentioned rapid pressure and fast decompression process hocket once.
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Application publication date: 20151223 |