CN116140943A - Production process of driving shaft - Google Patents
Production process of driving shaft Download PDFInfo
- Publication number
- CN116140943A CN116140943A CN202211280048.3A CN202211280048A CN116140943A CN 116140943 A CN116140943 A CN 116140943A CN 202211280048 A CN202211280048 A CN 202211280048A CN 116140943 A CN116140943 A CN 116140943A
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- China
- Prior art keywords
- shaft
- base part
- driving shaft
- pin
- processing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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 relates to a drive shaft production process, which comprises the following steps: s1: cutting off blank metal round bars with the same length as the required driving shaft on a lathe; s2: processing a driving shaft lever on the blank round bar, processing one end of the driving shaft lever into a shaft head end, processing the other end of the driving shaft lever into a shaft tail end, and processing an outwards-expanded base part at one end of the shaft head end far away from the driving shaft lever; s3: machining a rotor mounting groove communicated with the shaft head end on the base part by using a lathe; s4: three pin shaft mounting holes distributed in an equilateral triangle shape are processed in the circumferential direction of the base part by using a drilling machine; s5: installing a pin shaft in the pin shaft installation hole; s6: the pin shafts are respectively provided with a transmission gear, and the pin shafts and the transmission gears are assembled in place through a press; s7: a copper sleeve is arranged in the rotor mounting groove; s8: the end cover matched with the outer diameter of the base part is arranged on the end surface of the base part, and the invention has the beneficial effects that: the base part and the driving shaft lever are integrally formed, the assembled pin shaft and the assembled transmission gear are more stable, and the service life of the pin shaft and the assembled transmission gear is longer.
Description
Technical Field
The invention relates to the field of driving shafts of one-way devices, in particular to a driving shaft production process.
Background
The starter is a key part of an automobile, and is a machine for converting electric energy of a storage battery into mechanical energy to drive an engine flywheel to rotate so as to realize engine starting, and the automobile starter isolator is a transmission device for transmitting torque generated by a motor to the flywheel on the automobile starter.
Different starters have different one-way devices, wherein roller-type one-way devices are widely used due to simple structures, and the roller-type one-way devices are driven by a driving shaft;
after leaving the factory, the driving shaft is required to be provided with a pin shaft in the circumferential direction of the driving surface and provided with planetary gears which are respectively meshed with the pin shaft, then the driving shaft is sleeved with an end cover, the steps are completed manually, the link most influencing the production efficiency is provided with the pin shaft and the planetary gears arranged on the pin shaft, and finally the two parts are pressed together, so that the pin shaft and the planetary gears are ensured to be arranged in place.
Disclosure of Invention
The technical problem to be solved by the present invention is to address the above-mentioned shortcomings of the prior art,
a drive shaft manufacturing process is provided.
In order to achieve the above purpose, the present invention provides the following technical solutions: a process for producing a drive shaft, comprising the steps of:
s1: cutting off blank metal round bars with the same length as the required driving shaft on a lathe;
s2: processing a driving shaft lever on the blank round bar, processing one end of the driving shaft lever into a shaft head end, processing the other end of the driving shaft lever into a shaft tail end, and processing an outwards-expanded base part at one end of the shaft head end far away from the driving shaft lever;
s3: machining a rotor mounting groove communicated with the shaft head end on the base part by using a lathe;
s4: three pin shaft mounting holes distributed in an equilateral triangle shape are processed in the circumferential direction of the base part by using a drilling machine;
s5: installing a pin shaft in the pin shaft installation hole;
s6: the pin shafts are respectively provided with a transmission gear, and the pin shafts and the transmission gears are assembled in place through a press;
s7: a copper sleeve is arranged in the rotor mounting groove;
s8: an end cover matched with the outer diameter of the base part is arranged on the end face of the base part.
By adopting the technical scheme, through the base part integrally formed at the shaft head end, the pin shaft and the transmission gear are directly arranged on the base part, the function of the driving shaft is improved without additionally arranging the pin shaft and the transmission gear after the transmission shaft is machined, the stability of the integrally arranged base part is stronger, the service life is longer, the pin shaft and the transmission gear are directly preassembled when leaving a factory, and the assembly efficiency and the integration level of the driving shaft are improved.
The above-mentioned one driving shaft production process may further be configured as follows: the outer diameter of the blank round bar is a metal round bar which is matched with the outer diameter of the base part.
By adopting the technical scheme, the base part in the existing driving shaft is arranged in a split manner with the driving shaft rod, and the base part and the driving shaft rod are assembled together after being processed according to the sizes, so that the processing mode is complex, the production and assembly efficiency is reduced, the service life between the base part and the driving shaft rod is not long, the base part and the driving shaft rod are assembled together, the base part is processed by adopting the integrated processing mode, the service life is long, the assembly is not needed, and the production and assembly efficiency is greatly improved.
The above-mentioned one driving shaft production process may further be configured as follows: and the end of the central shaft in the S2 is provided with helical teeth which are circumferentially and alternately distributed through a gear rolling machine.
By adopting the technical scheme, the bevel gears which are circumferentially and alternately distributed are processed at the end of the shaft head through the gear rolling machine, so that the driving shaft is convenient to be matched with an external bevel gear after being arranged on the whole machine.
The invention has the beneficial effects that: the base part and the driving shaft lever are integrally formed, the assembled pin shaft and the assembled transmission gear are more stable, and the service life of the pin shaft and the assembled transmission gear is longer.
The invention is described in further detail below with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic perspective view of a drive shaft according to the present invention.
Fig. 2 is a schematic front view of a drive shaft processed according to the present invention.
Fig. 3 is a schematic top view of a drive shaft processed according to the present invention.
Description of the embodiments
See fig. 1-3: a process for producing a drive shaft, comprising the steps of:
s1: cutting off blank metal round bars with the same length as the required driving shaft on a lathe;
s2: a driving shaft lever 1 is processed on the blank round bar, one end of the driving shaft lever 1 is processed into a shaft head end 11, the other end of the driving shaft lever 1 is processed into a shaft tail end 12, and an outwards-expanding base part 14 is processed at one end of the shaft head end 11 far away from the driving shaft lever 1;
s3: a rotor mounting groove 15 communicated with the shaft head end 11 is machined in the base part 14 by a lathe;
s4: three pin shaft mounting holes 141 distributed in an equilateral triangle shape are processed in the circumferential direction of the base part 14 by a drilling machine;
s5: mounting a pin 2 in the pin mounting hole 141;
s6: the driving gears 3 are respectively arranged on the pin shafts 2, and the pin shafts 2 and the driving gears 3 are assembled in place through a press;
s7: the copper bush 4 is arranged in the rotor mounting groove 15;
s8: an end cap (not shown) adapted to the outer diameter of the base portion 14 is mounted on the end surface of the base portion 14.
By adopting the technical scheme, the base part is integrally formed at the shaft head end, the pin shaft and the transmission gear are directly arranged on the base part, the function of the driving shaft is improved without additionally arranging the pin shaft and the transmission gear after the transmission shaft is machined, the integrally arranged base part is higher in stability and longer in service life, the pin shaft and the transmission gear are directly preassembled when leaving a factory, and the assembly efficiency and the integration level of the driving shaft are improved;
the outer diameter of the blank round bar is a metal round bar which is matched with the outer diameter of the base part 14.
By adopting the technical scheme, the base part in the existing driving shaft is arranged in a split manner with the driving shaft rod, and the base part and the driving shaft rod are assembled together after being processed according to the sizes, so that the processing mode is complex, the production and assembly efficiency is reduced, the service life between the base part and the driving shaft rod is not long, the base part and the driving shaft rod are assembled together, the base part is processed by adopting the integrated processing mode, the service life is long, the assembly is not needed, and the production and assembly efficiency is greatly improved.
S2, machining helical teeth 13 which are circumferentially distributed at intervals on the center shaft head end 11 through a gear rolling machine;
by adopting the technical scheme, the bevel gears which are circumferentially and alternately distributed are processed at the shaft head end through the gear rolling machine, so that the driving shaft is convenient to be matched with an external bevel gear after being arranged on the whole machine;
the driving shaft processed by the process comprises a driving shaft lever 1, one end of the driving shaft lever 1 is a shaft head end 11, the other end of the driving shaft lever is a shaft tail end 12, the shaft head end 11 is provided with inclined teeth 13 which are circumferentially and alternately distributed through a gear twisting machine, the shaft head end 11 is outwards expanded to form a base part 14, an external rotor mounting groove 15 which is communicated with the shaft head end 11 is arranged in the middle of the base part 14, at least one pin shaft 2 is arranged on one surface of the base part 14, which is far away from the shaft head end 11, a transmission gear 3 of a planetary gear structure is arranged on the pin shaft 2, and each transmission gear 3 is meshed with an external rotor which is arranged in the external rotor mounting groove 15.
The base part is integrally formed at the shaft head end, the pin shaft and the transmission gear are directly arranged on the base part, the pin shaft and the transmission gear do not need to be additionally arranged on the pin shaft and the transmission gear after the transmission shaft is machined, the function of the driving shaft is improved, the integrally arranged base part is higher in stability, and the service life is longer;
the planetary gear structure comprises three transmission gears 3 which are meshed, wherein each transmission gear 3 is circumferentially distributed along the outer rotor mounting groove 15, and an equilateral triangle is formed between the center points of each transmission gear 3;
the transmission gears are circumferentially distributed along the outer rotor mounting groove, an equilateral triangle is formed among the three transmission gears, and after the driving shaft is mounted on the whole machine and the rotor is sleeved into the outer rotor mounting groove, a stable transmission relationship is formed among the four transmission gears, so that the transmission stability is high;
copper bush 4 is sleeved in the outer rotor mounting groove 15;
a copper sleeve is sleeved in the outer rotor mounting groove in advance, so that the integration level of the product when leaving the factory is improved;
three mounting holes 141 distributed in an equilateral triangle shape are distributed on the base part 14, and one end of the pin shaft 2 is mounted in the mounting holes 141;
by presetting three mounting holes distributed in an equilateral triangle shape, the pin shaft mounting efficiency is improved, and the efficiency of mounting the transmission gear after the pin shaft is mounted is improved;
an end cap (not shown) is mounted at the end of the base portion 14 away from the shaft head end 11, and a transmission gear mounting cavity (the end cap is not mounted in the figure, and thus the transmission gear mounting cavity cannot be shown) is formed between the end cap and the base portion 14;
the transmission gear installation cavity is formed between the end cover and the base part, and the transmission gear is covered in the transmission gear installation cavity after being installed, so that the dustproof performance of the transmission gear is improved, and the service life is prolonged;
the invention has the beneficial effects that: the base part and the driving shaft lever are integrally formed, the assembled pin shaft and the assembled transmission gear are more stable, and the service life of the pin shaft and the assembled transmission gear is longer.
Claims (3)
1. A process for producing a drive shaft, comprising the steps of:
s1: cutting off blank metal round bars with the same length as the required driving shaft on a lathe;
s2: processing a driving shaft lever on the blank round bar, processing one end of the driving shaft lever into a shaft head end, processing the other end of the driving shaft lever into a shaft tail end, and processing an outwards-expanded base part at one end of the shaft head end far away from the driving shaft lever;
s3: machining a rotor mounting groove communicated with the shaft head end on the base part by using a lathe;
s4: three pin shaft mounting holes distributed in an equilateral triangle shape are processed in the circumferential direction of the base part by using a drilling machine;
s5: installing a pin shaft in the pin shaft installation hole;
s6: the pin shafts are respectively provided with a transmission gear, and the pin shafts and the transmission gears are assembled in place through a press;
s7: a copper sleeve is arranged in the rotor mounting groove;
s8: an end cover matched with the outer diameter of the base part is arranged on the end face of the base part.
2. A drive shaft manufacturing process according to claim 1, characterized in that: the outer diameter of the blank round bar is a metal round bar which is matched with the outer diameter of the base part.
3. A drive shaft manufacturing process according to claim 1, characterized in that: and the end of the central shaft in the S2 is provided with helical teeth which are circumferentially and alternately distributed through a gear rolling machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211280048.3A CN116140943A (en) | 2022-10-19 | 2022-10-19 | Production process of driving shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211280048.3A CN116140943A (en) | 2022-10-19 | 2022-10-19 | Production process of driving shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116140943A true CN116140943A (en) | 2023-05-23 |
Family
ID=86372451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211280048.3A Pending CN116140943A (en) | 2022-10-19 | 2022-10-19 | Production process of driving shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116140943A (en) |
-
2022
- 2022-10-19 CN CN202211280048.3A patent/CN116140943A/en active Pending
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