CN111941020B - Machining process for steering knuckle rod part - Google Patents

Machining process for steering knuckle rod part Download PDF

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Publication number
CN111941020B
CN111941020B CN202010598286.3A CN202010598286A CN111941020B CN 111941020 B CN111941020 B CN 111941020B CN 202010598286 A CN202010598286 A CN 202010598286A CN 111941020 B CN111941020 B CN 111941020B
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China
Prior art keywords
steering knuckle
rod
clamping
bevel gear
rotating rod
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CN202010598286.3A
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CN111941020A (en
Inventor
张运军
秦健
王战兵
徐生荣
孙立峰
黄锐
甘龙
刘智
艾然
杨娟
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HUBEI TRI-RING FORGING CO LTD
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HUBEI TRI-RING FORGING CO LTD
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Priority to CN202010598286.3A priority Critical patent/CN111941020B/en
Publication of CN111941020A publication Critical patent/CN111941020A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/14Making 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 machining process of a steering knuckle rod part, which comprises the following steps: step S1: roughly turning a steering knuckle rod part; step S2: semi-finish turning a shaft head, a shaft neck, a spigot and a disc surface of the rod part of the steering knuckle; step S3: drilling a cross hole at the head of the steering knuckle rod part; step S4: axially fixing the steering knuckle on a lathe, and fixing an upper ear of the steering knuckle; step S5: finish turning of a shaft head, a shaft neck, a spigot and a disc surface of the rod part of the steering knuckle. The invention adopts the optimization of the processing technology of the rod part of the steering knuckle and the mutual combined action of the improvement on the positioning clamp of the drive plate (11), ensures the form and position tolerance of the spigot and the disc surface relative to the shaft neck while the cross hole is not damaged by processing, improves the precision of the rod part, and simultaneously adopts an automatic clamping mechanism when clamping the steering knuckle on a lathe, can quickly clamp the steering knuckle and drive the clamping blocks at the two sides of the upper lug of the steering knuckle to simultaneously clamp the upper lug, ensures the stress uniformity of the steering knuckle and ensures the precision of finish turning of the steering knuckle.

Description

Machining process for steering knuckle rod part
Technical Field
The invention relates to the technical field of steering knuckle processing and installation, in particular to a steering knuckle rod portion processing technology.
Background
The steering knuckle is a hinge for steering wheels, is one of important parts in an automobile steering axle, and can enable an automobile to stably run and sensitively transmit the running direction. The steering knuckle is generally fork-shaped, two main pin holes for mounting main pins are arranged on an upper lug and a lower lug, and a shaft neck of a rod part of the steering knuckle is used for mounting a wheel. The existing processing technology of the steering knuckle rod part comprises the following steps: rough turning the rod part of the steering knuckle → semi-finish turning the shaft neck of the steering knuckle while one-step finish turning the spigot and the disc face → drilling the cross hole at the head of the rod part shaft → finish turning the shaft neck of the steering knuckle. However, in the processing technology, the process of semi-finish turning the shaft neck of the spigot and the disc surface is finished by one step, separated from the subsequent procedure of finish turning the shaft neck, the form and position tolerance of the spigot and the disc surface relative to the shaft neck is difficult to ensure, in order to avoid scratching the shaft neck in the clamping process in the process of finish turning, firstly, a cross hole needs to be drilled, and finally, the shaft neck of the rod part needs to be finish turned, but when drilling cross holes, the drill bit can damage the central hole at the shaft head, which seriously affects the precision of final finish turning of the shaft neck, moreover, after the steering knuckle needs to be axially fixed by the existing clamping and positioning clamp on the finish turning, the upper ear of the steering knuckle is fixed by bolts at two sides through the fixing bolt on the clamp, as shown in figure 1, the clamp adjusts the bolt stretching amount of the two sides by manually judging the clamping degree of the two sides to the steering knuckle, the steering knuckle is stressed unevenly, and the steering knuckle jumps easily during finish machining, so that the machining precision of the rod part of the steering knuckle is influenced.
Therefore, a new steering knuckle lever part processing technology needs to be designed to solve the problems in the prior art.
Disclosure of Invention
The invention adopts the optimization of the processing technology of the rod part of the steering knuckle and the mutual interaction of the improvement on the positioning fixture of the drive plate, ensures the form and position tolerance of the spigot and the disc surface relative to the shaft neck while the cross hole is not damaged by processing, improves the precision of the rod part, and simultaneously adopts an automatic clamping mechanism when clamping the steering knuckle on a lathe, can quickly clamp the steering knuckle and drive the clamping blocks at the two sides of the upper lug of the steering knuckle to simultaneously clamp the upper lug, ensures the stress uniformity of the steering knuckle and ensures the precision of finish turning of the steering knuckle.
The technical purpose of the invention is realized by the following technical scheme: the machining process of the steering knuckle rod part comprises the following steps:
step S1: roughly turning a steering knuckle rod part;
step S2: semi-finish turning a shaft head, a shaft neck, a spigot and a disc surface of the rod part of the steering knuckle;
step S3: drilling a cross hole at the head of the steering knuckle rod part;
step S4: axially fixing the steering knuckle on a lathe, and fixing an upper ear of the steering knuckle;
step S5: finish turning of a shaft head, a shaft neck, a spigot and a disc surface of the rod part of the steering knuckle.
As a further arrangement of the present invention, step S4 is to fix the upper lug of the steering knuckle on the fixture, the first central hole of the upper lug is matched with the first thimble of the fixture, the upper lug of the upper lug is fixed on the automatic clamping mechanism, the slide carriage box at the end far away from the fixture is moved, and the second thimble of the slide carriage box is matched with the second central hole of the shaft head of the rod part of the steering knuckle.
As a further arrangement of the invention, one end of the central hole II is communicated with the cross hole, and the other end is an open end which is coplanar with the end part of the shaft head.
As a further arrangement of the invention, the axle head of the steering knuckle is lengthened from 42mm to 44mm, and the distance between the outer end surface of the axle head and the center of the cross hole along the axial direction of the steering knuckle is lengthened from 10.5mm to 12.5 mm.
The fixture comprises a dial plate and a first thimble, wherein the first thimble is fixedly arranged in a central through groove of the dial plate, the first thimble extends out of the central through groove, and an automatic clamping mechanism for clamping an upper lug of the steering knuckle is fixedly arranged on the surface of the dial plate.
As a further arrangement of the automatic clamping mechanism, the automatic clamping mechanism comprises a moving block, the moving block comprises a knuckle contact surface, two opposite side surfaces adjacent to the knuckle contact surface are respectively provided with a first clamping mechanism and a second clamping mechanism, the first clamping mechanism and the second clamping mechanism are symmetrical along the center of the moving block, the first clamping mechanism is provided with a first rack, the first rack is meshed with a first gear, the first gear and a bevel gear are coaxially fixed on a first rotating rod, the first rotating rod is fixedly provided with a driving plate, the first bevel gear is meshed with the second bevel gear, the second bevel gear and the second gear are coaxially fixed on a second rotating rod, the second rotating rod is fixed on the driving plate, the second rotating rod is perpendicular to the first rotating rod, and the second gear is meshed with a driven rack arm;
the second clamping mechanism is provided with a second rack, the second rack is meshed with a third rack, the third rack and a third bevel gear are coaxially fixed on a third rotating rod, the third rotating rod is fixedly provided with a driving plate, the third bevel gear is meshed with a fourth bevel gear, the fourth bevel gear and a fourth gear are coaxially fixed on a fourth rotating rod, the fourth rotating rod is fixedly provided with a driving plate, the fourth rotating rod is perpendicular to the third rotating rod, and the fourth gear is meshed with a second driven rack arm;
the first driven rack arm and the second driven rack arm are arranged in parallel and opposite, the first driven rack arm is fixedly connected with the first clamping block, the second driven rack arm is fixedly connected with the second clamping block, and the first clamping block and the second clamping block clamp/unclamp an upper lug of the steering knuckle.
As a further arrangement of the invention, the surface of the drive plate is evenly provided with weight holes along the circumferential direction of the edge of the drive plate.
As a further configuration of the present invention, step S1 is preceded by step S0: and selecting a thick round rod, milling one end of the thick round rod into a conical surface, clamping the thick round rod in the central through groove of the driving plate, and finely turning and molding the conical surface extending out of the end part of the central through groove to form the first thimble.
The beneficial effect of this scheme is:
1. in the steering knuckle rod part processing technology, the original process operation of separating the finish turning spigot, the disc surface and the finish turning shaft neck is changed, and all parts in the rod part, including the spigot, the disc surface and the shaft neck, are operated in the same finish turning procedure, so that the form and position tolerance of the spigot and the disc surface relative to the shaft neck is ensured, and the processing precision of the steering knuckle rod part is improved.
2. According to the invention, the axle head of the rod part of the steering knuckle is lengthened by 2mm, so that the central hole of the axle head moves outwards, the central hole is prevented from being damaged when a cross hole is drilled, the precision of finish turning and positioning is greatly improved, and the precision requirements of the rod part on the dimensions such as diameter, form and position tolerance and the like are ensured.
3. According to the invention, the balance weight holes are fully distributed on the periphery of the drive plate, and the dynamic balancing instrument is used as a clamp for balancing weight, so that the dynamic balance during finish turning is greatly improved, and the size precision of the rod part is ensured.
4. The fixture is provided with the positioning groove matched with the profile of the upper lug of the steering knuckle, when the steering knuckle is required to be clamped and fixed on the fixture, the upper lug of the steering knuckle is inserted into the positioning groove, the center hole of the fork part is matched with the ejector pin, the primary positioning of the steering knuckle can be quickly realized, the slide carriage box on one side of the steering knuckle, which is far away from the fixture, is close to the steering knuckle until the ejector pin on the slide carriage box tightly abuts against the center hole at the shaft head of the steering knuckle, the axial fixing of the steering knuckle is realized, the axial fixing accuracy of the steering knuckle is improved, and the machining accuracy of a subsequent steering knuckle is improved.
5. The clamp is provided with an automatic clamping mechanism, the automatic clamping mechanism comprises a moving block, a first clamping mechanism and a second clamping mechanism are arranged on the moving block, racks are arranged on the first clamping mechanism and the second clamping mechanism, when a steering knuckle is tightly pushed and close to the clamp by an ejector pin of a slide carriage box, the upper lug of the steering knuckle extrudes the moving block into a drive plate, the racks drive a first gear meshed with the first clamping mechanism to rotate when the moving block moves, the first gear drives a coaxial first bevel gear to rotate, the first bevel gear drives a second bevel gear meshed with the first bevel gear to rotate, the second bevel gear drives a coaxial second gear to rotate, the second gear drives a first driven rack arm to move, and similarly, the second clamping mechanisms which are symmetrically arranged in the center and have the same transmission structure as that of the first clamping mechanism drive a second driven rack arm to move, and respectively drive the first clamping block and the second clamping block to mutually close, so that the clamping blocks on the, The purpose of tight knuckle upper ear is pressed from both sides, make things convenient for the knuckle lever part to carry out processing operation, the knuckle is kept away from to the thimble of swift current case after processing is accomplished, the upper ear of knuckle disappears to the biasing effort of movable block, the reset spring effect of movable block bottom, outwards pass the movable block, through the rack, gear one, bevel gear two and gear two, driven rack arm keeps away from each other, press from both sides tight piece automatic release knuckle upper ear, the knuckle of being convenient for breaks away from the lathe, the automatic clamp dress mechanism of this scheme can be fixed with the upper ear simultaneously in the in-process that the knuckle axial was gradually fixed, the axial fixed precision of knuckle has been improved, and the clamp force that the upper ear both sides were applyed is the same, the fixed axiality of knuckle has been improved, effectively improve the precision of back-order finish turning.
6. When the thimble is worn and needs to be replaced, the thick round rod is selected to be subjected to finish turning forming on the lathe, so that the bouncing of the conical surface of the thimble can be reduced to be below 0.01, the bouncing during finish turning is reduced, and the machining precision of the size of the rod part is further ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of the construction of a knuckle and clamp of the present invention;
FIG. 2 is a schematic view of the knuckle and clamp of the present invention from another perspective;
FIG. 3 is a schematic view of the automatic clamping mechanism;
fig. 4 is a schematic view of the automatic clamping mechanism from another perspective.
In the figure, 1, a steering knuckle rod part, 2, a shaft neck, 3, a spigot, 4, a disc surface, 5, an upper lug, 6, a first central hole, 7, a clamp, 8, an automatic clamping mechanism, 9, a shaft head, 10, a second central hole, 11, a drive plate, 12, a first thimble, 13, a central through groove, 14, a moving block, 15, a steering knuckle contact surface, 16, a first clamping mechanism, 17, a second clamping mechanism, 18, a first rack, 19, a first gear, 20, a first rotating rod, 21, a second bevel gear, 22, a second gear, 23, a second rotating rod, 24, a first driven rack arm, 25, a second rack, 26, a third gear, 27, a third rotating rod, 28, a fourth bevel gear, 29, a fourth gear, 30, a fourth rotating rod, 31, a second driven rack arm, 32, a first clamping block, 33, a second clamping block, 34, a hole, 35, a cross hole, 36, a first bevel gear, 37 and a third bevel gear.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
Referring to fig. 1-4, the process for machining the rod part of the steering knuckle comprises the following steps:
step S1: roughly turning a steering knuckle rod part 1;
step S2: a shaft head 9, a shaft neck 2, a spigot 3 and a disc surface 4 of a semi-finish turning steering knuckle rod part 1;
step S3: drilling a cross hole 35 at the shaft head 9 part of the steering knuckle rod part 1;
step S4: axially fixing the steering knuckle on a lathe and fixing an upper ear 5 of the steering knuckle;
step S5: finish turning of a shaft head 9, a shaft neck 2, a spigot 3 and a disc surface 4 of the steering knuckle rod part 1.
Specifically, in step S4, the knuckle upper lug 5 is fixed on the fixture 7, the first center hole 6 of the upper lug 5 is matched with the first ejector pin 12 of the fixture 7, the upper lug 5 is fixed on the automatic clamping mechanism 8, the slide box located at the end far away from the fixture 7 is moved, and the second ejector pin of the slide box is matched with the second center hole 10 of the rod shaft head 9 of the knuckle.
Specifically, one end of the second central hole 10 is communicated with the cross hole 35, and the other end is an open end and is coplanar with the end part of the spindle head 9.
Specifically, the spindle nose 9 of the steering knuckle is lengthened from 42mm to 44mm, and the distance between the outer end face of the spindle nose 9 and the center of the cross hole 35 along the axial direction of the steering knuckle is lengthened from 10.5mm to 12.5 mm.
Specifically, the clamp 7 comprises a dial 11 and a first thimble 12, the first thimble 12 is fixedly arranged in a central through groove 13 of the dial 11, the first thimble 12 extends out of the central through groove 13, and an automatic clamping mechanism 8 for clamping an upper lug of the steering knuckle is fixed on the surface of the dial 11.
Specifically, the automatic clamping mechanism 8 comprises a moving block 14, the moving block 14 can be fixedly connected with a drive plate 11 through a spring, the moving block 14 comprises a knuckle contact surface 15, two opposite side surfaces adjacent to the knuckle contact surface 15 are respectively provided with a first clamping mechanism 16 and a second clamping mechanism 17, the first clamping mechanism 16 and the second clamping mechanism 17 are symmetrical along the center of the moving block 14, the first clamping mechanism 16 is provided with a first rack 18, the first rack 18 is meshed with a first gear 19, the first gear 19 and a first bevel gear 36 are coaxially fixed on a first rotating rod 20, the first rotating rod 20 is fixedly connected with the drive plate 11, the first bevel gear 36 is meshed with a second bevel gear 21, the second bevel gear 21 and the second gear 22 are coaxially fixed on a second rotating rod 23, the second rotating rod 23 is fixedly connected with the drive plate 11, and the second rotating rod 23 is perpendicular to the first rotating rod 20, the second gear 22 is meshed with the first driven rack arm 24;
the second clamping mechanism 17 is provided with a second rack 25, the second rack 25 is meshed with a third rack 26, the third rack 26 and a third bevel gear 37 are coaxially fixed on a third rotating rod 27, the third rotating rod 27 is fixed on the drive plate 11, the third bevel gear 37 is meshed with a fourth bevel gear 28, the fourth bevel gear 28 and a fourth gear 29 are coaxially fixed on a fourth rotating rod 30, the fourth rotating rod 30 is fixed on the drive plate 11, the fourth rotating rod 30 is perpendicular to the third rotating rod 27, and the fourth gear 29 is meshed with a second driven rack arm 31;
the first driven rack arm 24 and the second driven rack arm 31 are arranged oppositely in parallel, the first driven rack arm 24 is fixedly connected with the first clamping block 32, the second driven rack arm 31 is fixedly connected with the second clamping block 33, the first clamping block 32 and the second clamping block 33 clamp/loosen an upper lug of a steering knuckle, and the first clamping block 32 and the second clamping block 33 are embedded in the drive plate 11 through a T-shaped sliding groove and can slide along the drive plate 11.
Specifically, the surface of the drive plate 11 is evenly provided with weight holes 34 along the circumferential direction of the edge of the drive plate 11.
Specifically, step S1 is preceded by step S0: and (3) selecting a thick round rod, milling one end of the thick round rod into a conical surface, clamping the thick round rod in the central through groove 13 of the driving plate 11, and finely turning and molding the conical surface extending out of the end part of the central through groove 13 to form the first thimble 12.
The automatic clamping mechanism 8 automatically clamps the working process: racks are arranged on the first clamping mechanism 16 and the second clamping mechanism 16, when the steering knuckle is tightly pushed and close to the clamp 7 by a thimble of the slide carriage, an upper lug of the steering knuckle extrudes the moving block 14 into the drive plate 11, the rack drives the first gear 19 meshed with the moving block 14 to rotate when the moving block 14 moves, the first gear 19 drives the first coaxial bevel gear 36 to rotate, the first bevel gear 36 drives the second bevel gear 21 meshed with the first bevel gear to rotate, the second bevel gear 21 drives the second coaxial gear 22 to rotate, the second gear 22 drives the first driven rack arm 24 to move, and similarly, the second clamping mechanisms 17 which are arranged in central symmetry and have the same transmission structure as the first clamping mechanism 16 drive the second driven rack arm 31 to move and respectively drive the first clamping block 32 and the second clamping block 33 to mutually close, so that the purposes of mutually closing the clamping blocks on the driven rack arm and clamping the upper lug of the steering knuckle are achieved, and the processing operation of the rod part, after the machining is finished, the ejector pin of the slide carriage box is far away from the steering knuckle, the abutting action force of the upper lug of the steering knuckle on the moving block 14 disappears, the reset spring at the bottom of the moving block 14 pushes the moving block 14 outwards, the driven rack arms are far away from each other through the rack, the first gear 19, the first bevel gear 36, the second bevel gear 21 and the second gear 22, and the clamping block automatically loosens the upper lug of the steering knuckle, so that the steering knuckle is conveniently separated from a lathe.
The process for machining the knuckle lever part according to the present invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are set forth only to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (5)

1. The machining process of the steering knuckle rod part is characterized by comprising the following steps of:
step S1: roughly turning a steering knuckle rod part (1);
step S2: a shaft head (9), a shaft neck (2), a spigot (3) and a disc surface (4) of a semi-finish turning steering knuckle rod part (1);
step S3: drilling a cross hole (35) at the shaft head (9) part of the steering knuckle rod part (1);
step S4: fixing an upper lug (5) of a steering knuckle on a clamp (7), matching a first center hole (6) of the upper lug (5) with a first ejector pin (12) of the clamp (7), fixing the upper lug of the upper lug (5) on an automatic clamping mechanism (8), moving a slide box positioned at one end far away from the clamp (7), and matching a second ejector pin of the slide box with a second center hole (10) of a rod part shaft head (9) of the steering knuckle;
step S5: finish turning a shaft neck (2), a spigot (3) and a disc surface (4) of a steering knuckle rod part (1);
the fixture (7) comprises a driving plate (11) and a first thimble (12), the first thimble (12) is fixedly arranged in a central through groove (13) of the driving plate (11), the first thimble (12) extends out of the central through groove (13), and an automatic clamping mechanism (8) for clamping an upper lug of the steering knuckle is fixed on the surface of the driving plate (11); the automatic clamping mechanism (8) comprises a moving block (14), the moving block (14) comprises a knuckle contact surface (15), two adjacent opposite side surfaces of the knuckle contact surface (15) are respectively provided with a first clamping mechanism (16) and a second clamping mechanism (17), the first clamping mechanism (16) and the second clamping mechanism (17) are symmetrical along the center of the moving block (14), the first clamping mechanism (16) is provided with a first rack (18), the first rack (18) is meshed with a first gear (19), the first gear (19) and a first bevel gear (36) are coaxially fixed on a first rotating rod (20), the first rotating rod (20) is fixedly provided with a driving plate (11), the first bevel gear (36) is meshed with a second bevel gear (21), the second bevel gear (21) and the second gear (22) are coaxially fixed on a second rotating rod (23), and the second bevel gear (23) is fixedly provided with the driving plate (11), the second rotating rod (23) is perpendicular to the first rotating rod (20), and the second gear (22) is meshed with the first driven rack arm (24);
the second clamping mechanism (17) is provided with a second rack (25), the second rack (25) is meshed with a third rack (26), the third rack (26) and a third bevel gear (37) are coaxially fixed on a third rotating rod (27), the third rotating rod (27) is fixed on a driving plate (11), the third bevel gear (37) is meshed with a fourth bevel gear (28), the fourth bevel gear (28) and a fourth gear (29) are coaxially fixed on a fourth rotating rod (30), the fourth rotating rod (30) is fixed on the driving plate (11), the fourth rotating rod (30) is perpendicular to the third rotating rod (27), and the fourth gear (29) is meshed with a second driven rack arm (31);
the steering knuckle is characterized in that the driven rack arm I (24) and the driven rack arm II (31) are oppositely arranged in parallel, the driven rack arm I (24) is fixedly connected with the clamping block I (32), the driven rack arm II (31) is fixedly connected with the clamping block II (33), and the clamping block I (32) and the clamping block II (33) clamp/release an upper lug of the steering knuckle.
2. The process for machining the rod part of the steering knuckle according to claim 1, wherein one end of the second central hole (10) is communicated with the cross hole (35), and the other end of the second central hole is an open end which is coplanar with the end part of the shaft head (9).
3. The process for machining the rod part of the steering knuckle according to claim 2, wherein the shaft head (9) of the steering knuckle is lengthened from 42mm to 44mm, and the distance between the outer end surface of the shaft head (9) and the center of the cross hole (35) in the axial direction of the steering knuckle is lengthened from 10.5mm to 12.5 mm.
4. The process for machining the rod part of the steering knuckle according to claim 1, wherein the surface of the drive plate (11) is evenly provided with weight holes (34) along the periphery of the drive plate (11).
5. The knuckle shank machining process according to claim 1, further comprising, before the step S1, a step S0: and (2) selecting a thick round rod, milling one end of the thick round rod into a conical surface, clamping the thick round rod in the central through groove (13) of the driving plate (11), and finely turning and molding the conical surface extending out of the end part of the central through groove (13) to form the first thimble (12).
CN202010598286.3A 2020-06-28 2020-06-28 Machining process for steering knuckle rod part Active CN111941020B (en)

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CN202010598286.3A CN111941020B (en) 2020-06-28 2020-06-28 Machining process for steering knuckle rod part

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Application Number Priority Date Filing Date Title
CN202010598286.3A CN111941020B (en) 2020-06-28 2020-06-28 Machining process for steering knuckle rod part

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CN111941020B true CN111941020B (en) 2021-07-13

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090070181A (en) * 2007-12-27 2009-07-01 명화공업주식회사 Method for manufacturing knuckle of vehicle
CN102091922A (en) * 2011-01-17 2011-06-15 重庆大江工业有限责任公司 Machining method of automotive non-driven vehicle-bridge steering knuckle
CN105945518A (en) * 2016-05-16 2016-09-21 湖北三环锻造有限公司 Machining technology for steering knuckle with special-shaped center hole
CN206500893U (en) * 2017-02-20 2017-09-19 安徽江淮汽车集团股份有限公司 A kind of knuckle fixture
CN108637718A (en) * 2018-05-29 2018-10-12 重庆齐信汽车零部件有限公司 The coarse-fine vehicle clamper of knuckle
CN208391586U (en) * 2018-05-31 2019-01-18 杭州泽正机械有限公司 Knuckle special poke rod chucking appliance

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090070181A (en) * 2007-12-27 2009-07-01 명화공업주식회사 Method for manufacturing knuckle of vehicle
CN102091922A (en) * 2011-01-17 2011-06-15 重庆大江工业有限责任公司 Machining method of automotive non-driven vehicle-bridge steering knuckle
CN105945518A (en) * 2016-05-16 2016-09-21 湖北三环锻造有限公司 Machining technology for steering knuckle with special-shaped center hole
CN206500893U (en) * 2017-02-20 2017-09-19 安徽江淮汽车集团股份有限公司 A kind of knuckle fixture
CN108637718A (en) * 2018-05-29 2018-10-12 重庆齐信汽车零部件有限公司 The coarse-fine vehicle clamper of knuckle
CN208391586U (en) * 2018-05-31 2019-01-18 杭州泽正机械有限公司 Knuckle special poke rod chucking appliance

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
一种车铣精加工汽车转向节的卡具设计;李颜平;《制造技术与机床》;20180115(第12期);第153-156页 *
轻卡整体式转向节机械加工工艺分析;郑长秀;《2012年山东省科协学术年会论文集》;20170425;第185-188页 *

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