WO2019119512A1 - Procédé d'usinage de fusée de direction - Google Patents

Procédé d'usinage de fusée de direction Download PDF

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Publication number
WO2019119512A1
WO2019119512A1 PCT/CN2017/119798 CN2017119798W WO2019119512A1 WO 2019119512 A1 WO2019119512 A1 WO 2019119512A1 CN 2017119798 W CN2017119798 W CN 2017119798W WO 2019119512 A1 WO2019119512 A1 WO 2019119512A1
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WO
WIPO (PCT)
Prior art keywords
arm
steering
seat
block
top block
Prior art date
Application number
PCT/CN2017/119798
Other languages
English (en)
Chinese (zh)
Inventor
黄晨
Original Assignee
苏州臻嘉辰精密机械有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 苏州臻嘉辰精密机械有限公司 filed Critical 苏州臻嘉辰精密机械有限公司
Publication of WO2019119512A1 publication Critical patent/WO2019119512A1/fr

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • 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
    • B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
    • B23P2700/50—Other automobile vehicle parts, i.e. manufactured in assembly lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q2703/00—Work clamping
    • B23Q2703/02—Work clamping means
    • B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material

Definitions

  • the invention relates to a steering knuckle machining process.
  • the steering knuckle is one of the main parts on the steering axle of the car. It can make the car run stably and sensitively transmit the direction of travel.
  • the function of the knuckle is to bear the front load of the car, support and drive the front wheel to rotate around the kingpin to turn the car; As the demand for automobiles increases, the output is getting higher and higher, and the processing efficiency of the knuckle is becoming more and more stringent.
  • the structure required for machining on the knuckle is complicated, the process is more, and the existing processing The method and process are difficult to meet the production requirements of the steering knuckle.
  • the object of the present invention is to propose a knuckle machining process which improves the machining efficiency by optimizing the machining process of the knuckle.
  • a steering knuckle machining process comprising the following steps:
  • the front side of the knuckle workpiece is clamped on the center hole processing jig; the inner diameter of the front side of the roughing center hole; the inner diameter of the reverse side of the center hole of the rough finishing car; the inner diameter of the front side of the center hole of the finishing car; the ring groove of the center hole of the car;
  • the diameter of the front surface of the roughing center hole is 61.3 mm; the diameter of the reverse side of the center hole of the rough finishing car is 62 mm; the diameter of the front surface of the center hole of the finishing car is 61.8 mm; the diameter of the ring groove of the center hole of the vehicle is 65mm; in the step 2, the diameter of the end of the brake arm is 12.2 mm, and the diameter of the hole on the outer end surface of the control connecting arm is 15 mm; in the step 3, the diameter of the hole on the shock arm is 12mm, the diameter of the drill hole on the control connecting arm is 10mm, and the end face drilling standard of the ABS connecting block is M8.
  • the central hole processing fixture comprises a disc holder and an oil circuit assembly
  • the disc seat is provided with a brake arm pressing seat, a steering arm pressing seat, a steering arm top block, a control arm top block, and a damping arm a top block, a side top block and a manifold block
  • the oil passage assembly is engaged with the above components through a manifold block
  • the brake arm pressing seat and the steering arm pressing seat are both passed through a cylinder, a press arm and a block structure
  • Cooperating with the steering knuckle workpiece, the steering arm top block, the control arm top block, the shock arm top block and the side top block are hydraulic topping members
  • the brake arm pressing seat cooperates with the brake arm, and the steering arm is pressed tightly
  • the seat block and the steering arm top block cooperate with the steering arm
  • the control arm top block cooperates with the control connecting arm
  • the shock absorber arm top block cooperates with the damping arm
  • the side top block cooperates with the ABS connecting block.
  • the steering arm pressing seat and the steering arm top block are respectively disposed on two sides of the steering arm; the control arm top block is matched with the front end surface of the control connecting arm; the damping arm top block and the shock absorbing arm Cooperating with the side of the brake arm; the side top block mates with the front end of the ABS connecting block.
  • the disc holder is further provided with a plurality of weights, and the plurality of weights are arranged in a stack.
  • the horizontal clamp comprises a base, the base is provided with a main pressing seat and at least one set of horizontal clamping assemblies, the horizontal clamping assembly comprises a positioning seat, a clamping seat and two secondary pressing seats; the main pressure a pressing arm is arranged on the clamping seat, a steering arm clamp and a fixed head are arranged on the clamping seat, and a hydraulic head is arranged on the steering arm clamping block; the main pressing seat and the two auxiliary pressing seats are respectively located in the positioning seat
  • the secondary pressing seat is provided with a hydraulic push rod, a fixing block and a Z-shaped pressing arm; one end of the lower part of the Z-shaped pressing arm is hinged with the hydraulic push rod, and the other end is connected with the fixing block through the connecting plate, and is connected The two ends of the plate are respectively hinged with the fixed block and the Z-shaped pressing arm, and the upper end of the Z-shaped pressing arm is provided with a pressing block.
  • the horizontal clamping assembly has two groups, and the two sets of horizontal clamping assemblies are symmetrically disposed on both sides of the main pressing seat, and the main pressing arm on the main pressing seat is a double-head pressing arm, and the central portion of the main pressing arm It is hinged with the telescopic rod portion of the main pressing seat, and the two ends of the main pressing arm cooperate with the two sets of horizontal clamping components to clamp the workpiece.
  • the clamping seat is provided with a vertical guiding groove
  • the base is further provided with a locking pin that cooperates with the guiding groove.
  • the lateral clamp comprises a bottom plate, and the bottom plate is provided with at least one side plate frame, wherein the side plate frame is provided with a lateral oil cylinder, a brake arm positioning pin and a plurality of blocking pins; the lateral oil cylinder is provided with a side clamping assembly that cooperates with a knuckle workpiece, the brake arm positioning pin mates with the brake arm; the lateral clamping assembly includes a hydraulic plug, an oil seal, a set pin, a set ring, and a lateral socket;
  • the hydraulic plug is disposed in the lateral cylinder, the oil seal is disposed at the port of the lateral cylinder, the hydraulic plug is connected to the tightening pin through the oil seal, and is locked by the locking sleeve, the socket is provided with a socket, and the tightening ring is passed through the socket Cooperating with the pin; the lateral socket is fixedly coupled to the side frame, and the lateral socket cooperates with the pin and the set ring to clamp the knuck
  • the bottom plate is provided with two symmetrical side plates, and the respective components on the two side plates are oppositely disposed.
  • the present invention has the following advantages over the prior art:
  • the steering knuckle machining process of the invention directly and reversely clamps the knuckle workpiece through three sets of clamps, sequentially processes different parts of the workpiece in sequence, optimizes the machining process, and reduces the machining process in the steering knuckle.
  • the number of tool changes and the time of the tool increase the machining efficiency.
  • Figure 1 is a perspective view of a knuckle workpiece according to the present invention.
  • Figure 2 is a perspective view of the center hole machining jig of the present invention.
  • Figure 3 is a perspective view of the horizontal jig of the present invention.
  • Figure 4 is a perspective view of the secondary compression seat of the present invention.
  • Figure 5 is a perspective view of the lateral clamp of the present invention.
  • Figure 6 is a partial cross-sectional view of the lateral clamp of the present invention.
  • Figure 7 is a perspective view of the set ring of the present invention.
  • a knuckle processing process comprises the following steps:
  • the front side of the knuckle workpiece 1 is clamped on the center hole processing jig; the inner diameter of the front side of the roughing center hole 2; the inner diameter of the reverse side of the center hole 2 of the rough finishing car; the inner diameter of the front side of the center hole 2 of the finishing car; the ring of the center hole 2 of the car groove;
  • the diameter of the front side of the roughing center hole 2 is 61.3 mm; the diameter of the reverse side of the center hole 2 of the rough finishing car is 62 mm; the diameter of the front side of the center hole 2 of the finishing car is 61.8 mm; the ring groove of the center hole 2 of the vehicle
  • the diameter is 65 mm; in step 2, the diameter of the end of the brake arm 3 is 12.2 mm, and the diameter of the bore on the outer end surface of the control link 5 is 15 mm; in step 3, the drill on the shock arm 6
  • the hole diameter is 12 mm, the diameter of the drill hole on the control connecting arm 5 is 10 mm, and the end face drilling standard of the ABS connecting block 7 is M8.
  • the center hole machining jig includes a disk base 11 and an oil passage assembly 12, and the disk base 11 is provided with a brake arm pressing seat 13, a steering arm pressing seat 14, a steering arm top block 141, a control arm top block 15, a shock absorber arm top block 16, a side top block 17, and a manifold block;
  • the oil passage assembly 12 is engaged with the above components through a manifold block;
  • Both the abutment 13 and the steering arm compression seat 14 are engaged with the knuckle workpiece 1 by a cylinder, a press arm and a pad structure, a steering arm top block 141, a control arm top block 15, a shock arm top block 16 and a side top block 17 All of them are hydraulic topping members;
  • the brake arm pressing seat 13 cooperates with the brake arm 3, the steering arm pressing seat 14 and the steering arm top block 141 cooperate with the steering arm 4, and the control arm top block 15 and the control connecting arm are controlled.
  • the front end face of the 5 is matched, the shock absorber arm top
  • the top direction of the control arm top block 15 divides the disk base 11 into left and right sides, the brake arm pressing seat 13 and the shock absorber arm top block 16 are located on one side, and the steering arm pressing seat 14
  • the steering arm top block 141 and the side top block 17 are located on the other side, and the steering arm pressing seat 14 and the steering arm top block 141 are respectively disposed on both sides of the steering arm of the workpiece;
  • a weight 18 and a plurality of weights 18 are arranged in a stacked form.
  • the horizontal clamp comprises a base 21, and the base 21 is provided with a main pressing seat 22 and two sets of horizontal clamping assemblies symmetrically disposed on both sides of the main pressing seat 22.
  • the horizontal clamping assembly comprises a positioning seat 23, a clamping seat 24 and two secondary pressing seats 25;
  • the main pressing seat 22 is provided with a main pressing arm 26, and the main pressing arm 26 is a double-head pressing arm, and the main pressing arm
  • the middle portion of the 26 is hinged with the telescopic rod portion of the main pressing seat 22;
  • the clamping seat 24 is provided with a steering arm clamp 27 and a fixed head, and the steering arm clamp 27 is provided with a hydraulic head, and the clamping seat 24 is further
  • a vertical guide groove 28 is disposed, and the base 21 is further provided with a locking pin 29 that cooperates with the guide groove 28;
  • the main pressing seat 22 and the two secondary pressing seats 25 are respectively located at two sides of the positioning seat 23,
  • the secondary pressing seat 25 is provided with a hydraulic push rod 251, a fixing
  • the steering The main body ring on the workpiece 1 is mounted on the annular structure on the positioning seat 23, and the main pressing arm 26 cooperates with each of the auxiliary pressing seats 25 to press the annular plane on the reverse side of the main body of the knuckle workpiece 1 to fix the knuckle workpiece 1
  • the clamping seat 24 clamps the steering arm 4 of the knuckle workpiece 1.
  • the lateral clamp comprises a bottom plate 31.
  • the bottom plate 31 is provided with two symmetrical side plates 32.
  • the side plates 32 are provided with a lateral oil cylinder 33 and a brake.
  • the lateral cylinder 33 is provided with a lateral clamping assembly that cooperates with the steering knuckle workpiece 1, the brake arm positioning pin 34 is engaged with the brake arm 3;
  • the clamping assembly includes a hydraulic plug 331, an oil seal 332, a set pin 333, a set ring 334, and a lateral socket 335;
  • the hydraulic plug 331 is disposed in the lateral cylinder 33, and the oil seal 332 is disposed at a port of the lateral cylinder 33,
  • the hydraulic plug 331 is connected to the fixing pin 333 through the oil seal 332, and is locked by the locking sleeve 336.
  • the fixing ring 334 is provided with a socket, and the clamping ring 334 is engaged with the fixing pin 333 through the socket; the lateral socket The 335 is fixedly attached to the side frame 32, and the lateral socket 335 cooperates with the set pin 333 and the set ring 334 to clamp the knuckle workpiece 1.
  • the lateral cylinder 33 Before the clamping, the lateral cylinder 33 is in the pressure releasing state, the hydraulic plug 331 is in the front position, and the tightening ring 334 is in the removed state; when clamping, the steering knuckle workpiece 1 is mounted on the lateral socket 335, and is tightly mounted.
  • the ring 334 rotates the workpiece so that the brake arm 3 of the workpiece corresponds to the position of the brake arm positioning pin 34, the lateral cylinder 33 is oiled, and the hydraulic plug 331 acts in reverse, and the tightening pin 333 and the tightening ring 334 cooperate.
  • the knuckle workpiece is clamped on the lateral socket 335, the workpiece has two brake arms 3, and the holes on the two brake arms 3 are concentrically arranged along the central axis of the workpiece, so that the brake arm positioning pin 34 can be
  • the two brake arms 3 of the workpiece are respectively matched, so that the workpiece can be positioned in two positions, which facilitates multi-faceted multi-directional machining on the workpiece.

Abstract

L'invention concerne un procédé d'usinage de fusée de direction, comprenant : premièrement le serrage d'une pièce de fusée de direction (1) vers l'avant sur un montage d'usinage de trou central destiné à l'usinage; le serrage de la pièce de fusée de direction (1) vers l'arrière sur un montage horizontal destiné à l'usinage; et le serrage de la pièce de fusée de direction (1) latéralement sur un montage latéral destiné à l'usinage. Selon le procédé d'usinage de fusée de direction, la pièce de fusée de direction (1) est soumise à un serrage vers l'avant, à un serrage vers l'arrière et à un serrage latéral, au moyen des trois montages de manière correspondante. Différentes parties de la pièce de fusée de direction (1) sont usinées en séquence. Le procédé d'usinage est optimisé. Selon le procédé d'usinage de la pièce de fusée de direction (1), la fréquence de changement d'outil et le temps d'alimentation d'outil sont réduits, et l'efficacité de travail est améliorée.
PCT/CN2017/119798 2017-12-20 2017-12-29 Procédé d'usinage de fusée de direction WO2019119512A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201711379841.8A CN107984178B (zh) 2017-12-20 2017-12-20 一种转向节加工工艺
CN201711379841.8 2017-12-20

Publications (1)

Publication Number Publication Date
WO2019119512A1 true WO2019119512A1 (fr) 2019-06-27

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Application Number Title Priority Date Filing Date
PCT/CN2017/119798 WO2019119512A1 (fr) 2017-12-20 2017-12-29 Procédé d'usinage de fusée de direction

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CN (1) CN107984178B (fr)
WO (1) WO2019119512A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113385889A (zh) * 2021-05-31 2021-09-14 苏州美达王钢铁制品有限公司 一种中型装载机前机架分体机加工工艺

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CN108655982A (zh) * 2018-06-07 2018-10-16 中信戴卡股份有限公司 一种汽车转向节的夹具
CN108714772A (zh) * 2018-08-31 2018-10-30 瑞安市联众汽车零部件有限公司 一种汽车转向节加工工艺
CN109262318B (zh) * 2018-09-28 2024-01-30 芜湖先力自动化设备有限公司 一种连接板铣床液压夹具及其使用方法
CN109483294A (zh) * 2018-12-05 2019-03-19 安徽安簧机械股份有限公司 一种用于汽车转向节球销底座加工的夹具及其使用方法
CN109318021A (zh) * 2018-12-12 2019-02-12 上海西格码机床有限公司 一种自动加工转向节的夹具装置
CN109822302B (zh) * 2019-04-11 2020-11-17 湖北三环锻造有限公司 转向节直拉杆臂加工工艺
CN111546013B (zh) * 2020-05-18 2022-03-04 中国重汽集团济南动力有限公司 一种重卡转向节加工工艺
CN113560821B (zh) * 2021-07-23 2023-03-31 贵州詹阳动力重工有限公司 一种五自由度转向机构支架的加工方法

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