CN111069518A - Automobile gear shaft and forging method thereof - Google Patents
Automobile gear shaft and forging method thereof Download PDFInfo
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- CN111069518A CN111069518A CN201911319327.4A CN201911319327A CN111069518A CN 111069518 A CN111069518 A CN 111069518A CN 201911319327 A CN201911319327 A CN 201911319327A CN 111069518 A CN111069518 A CN 111069518A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/06—Making machine elements axles or shafts
- B21K1/066—Making machine elements axles or shafts splined
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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
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Abstract
The invention relates to the technical field of automobile accessories, in particular to an automobile gear shaft which comprises a plurality of shaft bodies with different diameters, wherein the shaft bodies are connected with one another, the central line displacements of the shaft bodies are on the same straight line, a shaft pin is arranged at the upper end of one side of each shaft body, a shaft hole penetrating through each shaft body is horizontally formed in the middle of one side of each shaft body, two ends of each shaft hole are arranged in a conical shape, and chamfers are arranged on the outer sides of the shaft bodies. Through the addition and the reasonable ratio of multiple raw materials, can effectively improve quality, intensity and the corrosion resisting capability of this gear shaft, and use multiple metal as main raw materials for this gear shaft is when lightening, and the separation of different metal levels drops, improves the life of this gear shaft.
Description
Technical Field
The invention relates to the technical field of automobile accessories, in particular to an automobile gear shaft and a forging method thereof.
Background
The gear shaft refers to a mechanical part that supports a rotating part and rotates together with it to transmit motion, torque or bending moment, and is generally a metal round bar shape, and each section may have a different diameter. The parts which do rotary motion in the machine are arranged on the shaft;
the preparation technology of the gear shaft on the existing market is complicated, and meanwhile, the strength of the gear shaft is poor, and the anti-fracture effect is poor.
Disclosure of Invention
The invention aims to solve the defects of poor strength and insufficient fracture resistance in the prior art, and provides an automobile gear shaft and a forging method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the design is a gear shaft for automobile, including a plurality of diameter sizes axis body inequality, a plurality of interconnect between the axis body, and on the same straight line of the central line displacement of a plurality of axis bodies, the pivot has been seted up to one side upper end of axis body, one side middle part level of axis body has been seted up and has been run through the axis body and obtain the shaft hole, the both ends in shaft hole are the toper setting, and are a plurality of the chamfer has all been seted up in the outside of axis body, and the size of chamfer is 2.5 mm.
The scheme also provides a forging method of the automobile gear shaft, which specifically comprises the following steps:
s1, raw materials: 15-25 parts of titanium block, 13-15 parts of lead block, 13-15 parts of stainless steel block, 20-25 parts of tin block, 3-7 parts of magnesium block, 4-7 parts of nickel block, 14-25 parts of copper block, 11-15 parts of aluminum block, 10-16 parts of iron block, 3-6 parts of copper block and 5-10 parts of zinc block;
s2, selecting the raw materials in proportion, respectively placing different raw materials into an ultrasonic cleaning device, cleaning the device at 50-70 ℃ for 5-9min, stirring the raw materials in real time in the cleaning process to ensure that the surfaces of the raw materials are cleaned in all directions, and drying the raw materials again for later use after cleaning;
s3, sequentially placing the cleaned raw materials in the S2 into a smelting furnace according to the melting point, smelting the raw materials at 1700-1900 ℃, mixing and stirring the raw materials during smelting so as to accelerate the smelting speed, forming a mixed solution after the raw materials are completely melted, and filtering the mixed solution so as to remove impurities and large particles in the mixed solution;
s4, pouring the mixed solution formed in the step S3 into a prepared die, wherein one-time pouring is required to be finished, the die needs to be shaken in real time in the pouring process, so that the solution can flow uniformly, after the pouring is finished, the mixed solution is placed under natural conditions for cooling forming, and after the primary forming is finished, a plate-shaped blank is taken out;
s5, cooling the material after the step S4 is completed;
s6, forging: and (8) when the blank is cooled to 300 ℃ of 200 ℃ in the step S5, transferring the workpiece to a forging machine for forging, controlling the forging time to be 30-40 minutes, and after finishing forging, trimming, punching and deburring the forged product.
Preferably, the cooling in the step S5 specifically includes placing the molded product into a cooling furnace for cooling, and the cooling speed is controlled at 20-40 degrees celsius per hour.
Preferably, the deburring step in S6 specifically includes the following steps:
f1, uniformly polishing the surface of the product by an operator by using a polisher, and repeatedly polishing the surface of the product for 2-4 times by using the polisher;
f2, after finishing the step F1, an operator polishes the outer surface of the product by using sand paper, and the trend of the sand paper is kept consistent as much as possible;
f3, after polishing, wiping the outer surface of the product by using a wet cloth, and wiping by using the wet cloth stained with oil.
Preferably, when forging, workers are exposed to high temperature, heat is accumulated in the body, and therefore forced rest is carried out after the workers continuously work for one hour, and water supplementing and temperature reducing treatment is carried out.
Preferably, when the casting is performed in S4, the temperature of the mold needs to be maintained above 500 degrees celsius, so as to avoid damage to the mold due to the instantaneous high temperature.
The invention provides an automobile gear shaft and a forging method thereof, which have the beneficial effects that: according to the automobile gear shaft and the forging method thereof, the quality, the strength and the corrosion resistance of the gear shaft can be effectively improved through the addition and reasonable proportioning of various raw materials, various metals are used as main raw materials, the strength of the gear shaft is guaranteed while the gear shaft is lightened, the composite board is prepared in an integrated mode, the phenomenon that different metal layers are separated and fall off when the composite board is used for a long time can be effectively avoided, and the service life of the gear shaft is prolonged.
Drawings
Fig. 1 is a schematic structural view of a gear shaft for an automobile according to the present invention.
In the figure: shaft hole 1, axis body 2, chamfer 3, pivot 4.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1, a gear shaft for car, including a plurality of diameter sizes axis body 2 inequality, interconnect between a plurality of axis bodies 2, and on the same straight line of the central line displacement of a plurality of axis bodies 2, pivot 4 has been seted up to one side upper end of axis body 2, one side middle part level of axis body 2 has been seted up and has been run through axis body 2 and obtain shaft hole 1, the both ends in shaft hole 1 are the toper setting, chamfer 3 has all been seted up in a plurality of axis body 2's the outside, and chamfer 3's size is 2.5 mm.
The invention also provides a forging method of the automobile gear shaft, which comprises the following steps:
s1, raw materials: 15 parts of titanium block, 13 parts of lead block, 13 parts of stainless steel block, 20 parts of tin block, 3 parts of magnesium block, 4 parts of nickel block, 14 parts of copper block, 11 parts of aluminum block, 10 parts of iron block, 3 parts of copper block and 5 parts of zinc block;
s2, selecting the raw materials in proportion, respectively placing different raw materials into an ultrasonic cleaning device, cleaning the device at 50 ℃ for 5min, stirring the raw materials in real time in the cleaning process to ensure that the surfaces of the raw materials are cleaned in all directions, and drying the raw materials again for later use after cleaning;
s3, sequentially placing the cleaned raw materials in the S2 into a smelting furnace according to the melting point of the raw materials, smelting the raw materials at 1700 ℃, mixing and stirring the raw materials during smelting so as to accelerate the smelting speed, forming a mixed solution after the raw materials are completely melted, filtering the mixed solution so as to remove impurities and large particles in the mixed solution, and keeping the temperature of the die at over 500 ℃, so that the die can be prevented from being damaged by instant high temperature;
s4, pouring the mixed solution formed in the step S3 into a prepared die, wherein one-time pouring is required to be finished, the die needs to be shaken in real time in the pouring process, so that the solution can flow uniformly, after the pouring is finished, the mixed solution is placed under natural conditions for cooling forming, and after the primary forming is finished, a plate-shaped blank is taken out;
s5, cooling the material after the step S4 is completed;
s6, forging: when the blank is cooled to 200 ℃ in the step S5, transferring the workpiece to a forging machine for forging, controlling the forging time to be 30 minutes, and after finishing forging, trimming, punching and deburring the forged product;
the deburring step specifically comprises the following steps:
f1, uniformly polishing the surface of the product by an operator by using a polisher, and repeatedly polishing the surface of the product for 2 times by using the polisher;
f2, after finishing the step F1, an operator polishes the outer surface of the product by using sand paper, and the trend of the sand paper is kept consistent as much as possible;
f3, after polishing, wiping the outer surface of the product by using a wet cloth, and wiping by using the wet cloth stained with oil.
When forging, workers are exposed to a high-temperature condition, heat is accumulated in the body, and therefore forced rest is carried out after the workers continuously work for one hour, and water supplementing and temperature reducing treatment is carried out.
Through the addition and the reasonable ratio of multiple raw materials, can effectively improve quality, intensity and the corrosion resisting ability of this gear shaft, and use multiple metal as main raw materials for this gear shaft is when lightening, guarantees its intensity, and this composite board adopts integrated into one piece's preparation mode, can effectively avoid using for a long time down, and the separation of different metal levels drops, improves the life of this gear shaft.
Example 2
Referring to fig. 1, as another preferred embodiment of the present invention, there is a difference from embodiment 1 in that,
the utility model provides a gear shaft for car, includes a plurality of diameters size inequality axis body 2, interconnect between a plurality of axis bodies 2, and on the same straight line of a plurality of axis body 2's central line displacement, pivot 4 has been seted up to one side upper end of axis body 2, and one side middle part level of axis body 2 has been seted up and has been run through axis body 2 and obtain shaft hole 1, and shaft hole 1's both ends are the toper setting, and chamfer 3 has all been seted up in a plurality of axis body 2's the outside, and chamfer 3's size is 2.5 mm.
The invention also provides a forging method of the automobile gear shaft, which comprises the following steps:
s1, raw materials: 20 parts of titanium block, 14 parts of lead block, 14 parts of stainless steel block, 23 parts of tin block, 5 parts of magnesium block, 5 parts of nickel block, 19 parts of copper block, 14 parts of aluminum block, 13 parts of iron block, 5 parts of copper block and 7 parts of zinc block;
s2, selecting the raw materials in proportion, respectively placing different raw materials into an ultrasonic cleaning device, cleaning the device in an environment of 60 ℃ for 6min, stirring the raw materials in real time in the cleaning process to ensure that the surfaces of the raw materials are cleaned in all directions, and drying the raw materials again for later use after cleaning;
s3, sequentially placing the cleaned raw materials in the S2 into a smelting furnace according to the melting point of the raw materials, smelting the raw materials at 1800 ℃, mixing and stirring the raw materials during smelting so as to accelerate the smelting speed, forming a mixed solution after the raw materials are completely melted, filtering the mixed solution so as to remove impurities and large particles in the mixed solution, and keeping the temperature of the die above 500 ℃, so that the die can be prevented from being damaged by instant high temperature;
s4, pouring the mixed solution formed in the step S3 into a prepared die, wherein one-time pouring is required to be finished, the die needs to be shaken in real time in the pouring process, so that the solution can flow uniformly, after the pouring is finished, the mixed solution is placed under natural conditions for cooling forming, and after the primary forming is finished, a plate-shaped blank is taken out;
s5, cooling the material after the step S4 is completed;
s6, forging: when the blank is cooled to 250 ℃ in the step S5, transferring the workpiece to a forging machine for forging, controlling the forging time to be 35 minutes, and after finishing forging, trimming, punching and deburring the forged product;
the deburring step specifically comprises the following steps:
f1, uniformly polishing the surface of the product by an operator by using a polisher, and repeatedly polishing the surface of the product for 3 times by using the polisher;
f2, after finishing the step F1, an operator polishes the outer surface of the product by using sand paper, and the trend of the sand paper is kept consistent as much as possible;
f3, after polishing, wiping the outer surface of the product by using a wet cloth, and wiping by using the wet cloth stained with oil.
When forging, workers are exposed to a high-temperature condition, heat is accumulated in the body, and therefore forced rest is carried out after the workers continuously work for one hour, and water supplementing and temperature reducing treatment is carried out.
Through the addition and the reasonable ratio of multiple raw materials, can effectively improve quality, intensity and the corrosion resisting ability of this gear shaft, and use multiple metal as main raw materials for this gear shaft is when lightening, guarantees its intensity, and this composite board adopts integrated into one piece's preparation mode, can effectively avoid using for a long time down, and the separation of different metal levels drops, improves the life of this gear shaft.
Example 3
Referring to fig. 1, as another preferred embodiment of the present invention, the difference from embodiments 1 and 2 is;
referring to fig. 1, a gear shaft for car, including a plurality of diameter sizes axis body 2 inequality, interconnect between a plurality of axis bodies 2, and on the same straight line of the central line displacement of a plurality of axis bodies 2, pivot 4 has been seted up to one side upper end of axis body 2, one side middle part level of axis body 2 has been seted up and has been run through axis body 2 and obtain shaft hole 1, the both ends in shaft hole 1 are the toper setting, chamfer 3 has all been seted up in a plurality of axis body 2's the outside, and chamfer 3's size is 2.5 mm.
The invention also provides a forging method of the automobile gear shaft, which comprises the following steps:
s1, raw materials: 25 parts of titanium block, 15 parts of lead block, 15 parts of stainless steel block, 25 parts of tin block, 7 parts of magnesium block, 7 parts of nickel block, 25 parts of copper block, 15 parts of aluminum block, 16 parts of iron block, 6 parts of copper block and 10 parts of zinc block;
s2, selecting the raw materials in proportion, respectively placing different raw materials into an ultrasonic cleaning device, cleaning the device at 70 ℃ for 9min, stirring the raw materials in real time in the cleaning process to ensure that the surfaces of the raw materials are cleaned in all directions, and drying the raw materials again for later use after cleaning;
s3, sequentially placing the cleaned raw materials in the S2 into a smelting furnace according to the melting point of the raw materials, smelting the raw materials at 1900 ℃, mixing and stirring the raw materials during smelting so as to accelerate the smelting speed, forming a mixed solution after the raw materials are completely melted, filtering the mixed solution so as to remove impurities and large particles in the mixed solution, and keeping the temperature of the die above 500 ℃, so that the die can be prevented from being damaged by instant high temperature;
s4, pouring the mixed solution formed in the step S3 into a prepared die, wherein one-time pouring is required to be finished, the die needs to be shaken in real time in the pouring process, so that the solution can flow uniformly, after the pouring is finished, the mixed solution is placed under natural conditions for cooling forming, and after the primary forming is finished, a plate-shaped blank is taken out;
s5, cooling the material after the step S4 is completed;
s6, forging: when the blank is cooled to 300 ℃ in the step S5, transferring the workpiece to a forging machine for forging, controlling the forging time to be 40 minutes, and after finishing forging, trimming, punching and deburring the forged product;
the deburring step specifically comprises the following steps:
f1, uniformly polishing the surface of the product by an operator by using a polisher, and repeatedly polishing the surface of the product for 4 times by using the polisher;
f2, after finishing the step F1, an operator polishes the outer surface of the product by using sand paper, and the trend of the sand paper is kept consistent as much as possible;
f3, after polishing, wiping the outer surface of the product by using a wet cloth, and wiping by using the wet cloth stained with oil.
When forging, workers are exposed to a high-temperature condition, heat is accumulated in the body, and therefore forced rest is carried out after the workers continuously work for one hour, and water supplementing and temperature reducing treatment is carried out.
Through the addition and the reasonable ratio of multiple raw materials, can effectively improve quality, intensity and the corrosion resisting ability of this gear shaft, and use multiple metal as main raw materials for this gear shaft is when lightening, guarantees its intensity, and this composite board adopts integrated into one piece's preparation mode, can effectively avoid using for a long time down, and the separation of different metal levels drops, improves the life of this gear shaft.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a gear shaft for car, includes shaft body (2) that a plurality of diameter sizes are inequality, its characterized in that, and is a plurality of interconnect between shaft body (2), and on the same straight line of the central line displacement of a plurality of shaft bodies (2), pivot (4) have been seted up to one side upper end of shaft body (2), one side middle part level of shaft body (2) has been seted up and has been run through shaft body (2) and obtain shaft hole (1), the both ends of shaft hole (1) are the toper setting, and are a plurality of chamfer (3) have all been seted up in the outside of shaft body (2), and the size of chamfer (3) is 2.5 mm.
2. The forging method of the gear shaft for the automobile as claimed in claim 1, comprising the steps of:
s1, raw materials: 15-25 parts of titanium block, 13-15 parts of lead block, 13-15 parts of stainless steel block, 20-25 parts of tin block, 3-7 parts of magnesium block, 4-7 parts of nickel block, 14-25 parts of copper block, 11-15 parts of aluminum block, 10-16 parts of iron block, 3-6 parts of copper block and 5-10 parts of zinc block;
s2, selecting the raw materials in proportion, respectively placing different raw materials into an ultrasonic cleaning device, cleaning the device at 50-70 ℃ for 5-9min, stirring the raw materials in real time in the cleaning process to ensure that the surfaces of the raw materials are cleaned in all directions, and drying the raw materials again for later use after cleaning;
s3, sequentially placing the cleaned raw materials in the S2 into a smelting furnace according to the melting point, smelting the raw materials at 1700-1900 ℃, mixing and stirring the raw materials during smelting so as to accelerate the smelting speed, forming a mixed solution after the raw materials are completely melted, and filtering the mixed solution so as to remove impurities and large particles in the mixed solution;
s4, pouring the mixed solution formed in the step S3 into a prepared die, wherein one-time pouring is required to be finished, the die needs to be shaken in real time in the pouring process, so that the solution can flow uniformly, after the pouring is finished, the mixed solution is placed under natural conditions for cooling forming, and after the primary forming is finished, a plate-shaped blank is taken out;
s5, cooling the material after the step S4 is completed;
s6, forging: and (8) when the blank is cooled to 300 ℃ of 200 ℃ in the step S5, transferring the workpiece to a forging machine for forging, controlling the forging time to be 30-40 minutes, and after finishing forging, trimming, punching and deburring the forged product.
3. The forging method for an automotive gear shaft as claimed in claim 2, wherein the cooling in the step S5 specifically includes cooling the formed product in a cooling furnace at a rate of 20 to 40 degrees celsius per hour.
4. The forging method of the gear shaft for the automobile as claimed in claim 2, wherein the deburring step in S6 specifically comprises the following steps:
f1, uniformly polishing the surface of the product by an operator by using a polisher, and repeatedly polishing the surface of the product for 2-4 times by using the polisher;
f2, after finishing the step F1, an operator polishes the outer surface of the product by using sand paper, and the trend of the sand paper is kept consistent as much as possible;
f3, after polishing, wiping the outer surface of the product by using a wet cloth, and wiping by using the wet cloth stained with oil.
5. The forging method of a gear shaft for an automobile as claimed in claim 2, wherein the worker is exposed to a high temperature during forging to cause heat accumulation in the body, so that the worker is forced to rest after working for one hour to perform a water replenishing and temperature reducing treatment.
6. The forging method for an automotive gear shaft as claimed in claim 2, wherein the temperature of the die is maintained at 500 ℃ or higher when casting is performed in S4, so that damage to the die due to instantaneous high temperature can be avoided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911319327.4A CN111069518A (en) | 2019-12-19 | 2019-12-19 | Automobile gear shaft and forging method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911319327.4A CN111069518A (en) | 2019-12-19 | 2019-12-19 | Automobile gear shaft and forging method thereof |
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| CN111069518A true CN111069518A (en) | 2020-04-28 |
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| CN201911319327.4A Pending CN111069518A (en) | 2019-12-19 | 2019-12-19 | Automobile gear shaft and forging method thereof |
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| CN204628245U (en) * | 2015-02-10 | 2015-09-09 | 昆山市聚杨锻造有限公司 | A kind of gear shaft forging |
| CN109185042A (en) * | 2018-08-06 | 2019-01-11 | 北京源深节能技术有限责任公司 | The installation method of wind-driven generator leaf tail wing flap |
| CN109280841A (en) * | 2018-11-08 | 2019-01-29 | 瓯锟科技温州有限公司 | A kind of slicker solder titanium composite panel material and forming method |
| CN109681518A (en) * | 2018-12-31 | 2019-04-26 | 江苏隆盛钻采机械制造有限公司 | A kind of gear shaft product forging and its processing technology |
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2019
- 2019-12-19 CN CN201911319327.4A patent/CN111069518A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110252624A1 (en) * | 2002-09-18 | 2011-10-20 | Packless Industries | Corrugated conduit and method of expanding to form a lined tubular member |
| CN203516419U (en) * | 2013-08-30 | 2014-04-02 | 宁波兴野拖拉机制造有限公司 | Clutch shaft capable of automatically centering |
| CN204628245U (en) * | 2015-02-10 | 2015-09-09 | 昆山市聚杨锻造有限公司 | A kind of gear shaft forging |
| CN109185042A (en) * | 2018-08-06 | 2019-01-11 | 北京源深节能技术有限责任公司 | The installation method of wind-driven generator leaf tail wing flap |
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Application publication date: 20200428 |
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