CN113211143A - Locating device for rough milling of inner side and outer side of upper lug and lower lug of steering knuckle - Google Patents
Locating device for rough milling of inner side and outer side of upper lug and lower lug of steering knuckle Download PDFInfo
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- CN113211143A CN113211143A CN202110491176.1A CN202110491176A CN113211143A CN 113211143 A CN113211143 A CN 113211143A CN 202110491176 A CN202110491176 A CN 202110491176A CN 113211143 A CN113211143 A CN 113211143A
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- seat
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- 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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
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Abstract
The invention relates to the technical field of steering knuckle processing devices, and discloses a positioning device for roughly milling the inner side and the outer side of an upper lug and a lower lug of a steering knuckle, which comprises a base and a positioning device arranged on the base, wherein the positioning device comprises a V seat for positioning a workpiece journal, a disc positioning plate for positioning the disc and a pressing mechanism for pressing the workpiece journal, the V seat is detachably connected with the base, positioning of products with different angles can be met by rotating the V seat out of different angles, the universality is good, the workpiece journal can be positioned by the V seat, automatic centering of the axis of the workpiece journal can be realized, the positioning error can be effectively reduced, so that the processing precision is higher, a workpiece is pressed on the V seat by the pressing mechanism, the clamping is firmer, the upper lug and the lower lug of the workpiece are further supported and pressed by the lug supporting and positioning device, so that the workpiece cannot move transversely in the mechanical processing process, the clamping stability is further improved.
Description
Technical Field
The invention relates to the technical field of steering knuckle processing devices, in particular to a positioning device for rough milling of the inner side and the outer side of an upper lug and a lower lug of a steering knuckle.
Background
The knuckle (claw) is one of the main parts of the steering axle of the automobile, and the general cargo vehicle uses the front axle as the steering axle, and the knuckle has the functions of bearing the load of the front wheel of the automobile, supporting and driving the front wheel to rotate and the like.
The steering knuckle mainly comprises a steering knuckle shaft neck, a steering part, an upper lug part, a lower lug part and the like, an automobile braking system, a steering system and a suspension system are effectively connected through different parts, the double tasks of steering and bearing are achieved, the load at the front part of an automobile is transmitted and borne, and a front wheel is supported and driven to rotate around a main pin so that the automobile is steered. In the driving state of the automobile, it bears variable impact load, and therefore, high strength and processing accuracy are required.
In the knuckle course of working, need mill cut to the inside and outside of upper ear and lower ear, make it satisfy with other automobile parts's connection requirement, it is fixed that the at first needs to treat the clamping of processing work piece to mill the in-process, because the knuckle structure is complicated, the unable fine fixing of general clamping means, need artifical supplementary, consequently, require high to workman's skill proficiency, and milling the in-process, the cutter constantly rotates, can make the knuckle take place to rock, thereby influence the machining precision of knuckle, lead to the product qualification rate low, be difficult to satisfy automobile parts's assembly requirement, and work efficiency is low.
Disclosure of Invention
The invention aims to provide a positioning device for the inner and outer side rough milling of the upper lug and the lower lug of a steering knuckle, which has the advantages of simple clamping process, good positioning effect, good quality of processed products, good universality, simple structure, ingenious design and the like.
The technical purpose of the invention is realized by the following technical scheme:
the locating device for roughly milling the inner side and the outer side of the upper lug and the lower lug of the steering knuckle comprises a base and a locating device arranged on the base, wherein the locating device comprises a V seat used for locating a workpiece journal, a disc locating plate used for locating the disc part and a pressing mechanism used for pressing the workpiece journal, the V seat is detachably connected with the base, a V-shaped surface used for locating the workpiece journal is arranged on the V seat, a cushion block used for supporting the workpiece journal is arranged on the V-shaped surface, the disc locating plate is fixed on one side of the V seat, and the pressing mechanism is located on the other side of the V seat.
By adopting the technical scheme, the V seat fixed on the base positions the workpiece shaft neck, the cushion blocks with different thicknesses are selected according to different diameters of the workpiece shaft neck, the center height of the workpiece shaft neck is ensured through the thickness of the cushion blocks, the steering knuckles with different diameters of the workpiece shaft neck can realize good positioning, the universality of the positioning device is further increased, the disc part positioning plate fixed on one side of the V seat positions the workpiece disc part to realize the positioning of the workpiece in the horizontal direction, then the workpiece is pressed on the V seat through the pressing mechanism to ensure that the workpiece is fixed on the clamp without manual assistance, the clamping process is simple, the production efficiency is high, the positioning effect is good, the workpiece shaft neck is positioned by arranging the V-shaped surface on the V seat, the automatic centering of the shaft center of the workpiece shaft neck can be realized, and the error of the diameter of the workpiece shaft neck caused by the previous process (turning), the center position of the workpiece journal in the process is influenced, the relative positions of the center of the workpiece journal and the center of the machine tool spindle can be always kept consistent, and the positioning error can be effectively reduced in the mass production process, so that the machining precision is higher.
The invention is further provided with: the base is provided with a positioning pin and a plurality of bolt holes for fixing the V seat, the V seat is provided with a positioning hole matched with the positioning pin and a plurality of fixing holes corresponding to the bolt holes, the fixing holes are long arc-shaped holes, the positioning pin is rotatably connected with the positioning holes, the bolt holes are connected with the fixing holes through bolts, the base is further provided with a plurality of angle adjusting positioning holes, the V seat is provided with a plurality of angle adjusting matching holes, and the angle adjusting matching holes are connected with the angle adjusting positioning holes through pins.
Through adopting above-mentioned technical scheme, anchor clamps V seat passes through the locating pin location with the base, make the V seat can roll out different angles after be connected angle modulation locating hole and corresponding angle modulation mating holes through the pin, make the V seat be located on the base, the rethread bolt is fixed the V seat on the base, in order to satisfy the product quick switch production of different angles, establish the fixed orifices into long circular arc, make the bolt can fix the V seat on the base with different angles, angle modulation function has been realized, make anchor clamps commonality higher, thereby reduce the development volume of anchor clamps, and the production cost is reduced.
The invention is further provided with: the pressing mechanism comprises a pressing arm, a supporting arm and a longitudinal pressing oil cylinder, one end of the supporting arm is connected with the base, the other end of the supporting arm is rotatably connected with the pressing arm, the longitudinal pressing oil cylinder is fixed on the base and is connected with one end of the pressing arm, and the other end of the pressing arm is located above a workpiece journal.
By adopting the technical scheme, the longitudinal pressing oil cylinder drives one end of the pressing arm to move up and down, so that the pressing arm rotates around a point where the pressing arm is connected with the supporting arm, the end, located above the workpiece journal, of the pressing arm is driven to move up and down to clamp or loosen the workpiece journal, meanwhile, the distance of the end, located above the workpiece journal, of the pressing arm to move up and down can be effectively controlled by controlling the stroke of the longitudinal pressing oil cylinder, pressing of products with different diameters of the workpiece journal can be met, and the universality of the clamp is further improved.
The invention is further provided with: and one end of the pressure arm, which is positioned above the workpiece shaft neck, is provided with a V-shaped pressure head, and the V-shaped surface of the V-shaped pressure head is opposite to the V-shaped surface on the V seat.
By adopting the technical scheme, the workpiece is clamped on the V-shaped seat by the V-shaped surface of the V-shaped pressure head, and the workpiece journal is positioned by the V-shaped surface of the V-shaped seat, so that the position of the V-shaped pressure head is fixed after the V-shaped pressure head is pressed on the workpiece journal, the pressure of the V-shaped pressure head on the workpiece journal always faces to the center of the workpiece journal, the workpiece journal is clamped more firmly, and the stability and the processing quality of product clamping are further improved.
The invention is further provided with: still support positioner including ear, ear supports positioner and includes ear support location base and the horizontal closing device of ear, the horizontal closing device of ear is fixed on ear supports location base, the horizontal closing device of ear is including horizontal compressing arm, horizontal support arm and horizontal compressing cylinder, the one end and the ear support location base of horizontal support arm are connected, the other end and the horizontal compressing arm rotation of horizontal support arm are connected, horizontal compressing cylinder fixes on ear supports location base, horizontal compressing cylinder is connected with the one end of horizontal compressing arm, the other end of horizontal compressing arm is relative with the position of ear about the work piece.
By adopting the technical scheme, the ear transverse pressing device in the ear supporting and positioning device further presses the workpiece in the horizontal direction, so that the workpiece cannot move transversely in the machining process, the clamping stability is further improved, the ear transverse pressing device is similar to the pressing mechanism in structure principle, the transverse pressing oil cylinder drives the transverse pressing arm to rotate around the point where the transverse pressing oil cylinder is connected with the transverse supporting arm, so that the end opposite to the positions of the upper lug and the lower lug of the workpiece is pressed tightly against the upper lug and the lower lug of the workpiece, and the disc part of the workpiece is tightly attached to the disc part positioning plate, the distance of the left-right movement of the transverse pressing arm and one end of the workpiece opposite to the upper lug and the lower lug can be effectively controlled by controlling the stroke of the transverse pressing oil cylinder, the pressing of products with different sizes of the upper lug and the lower lug can be met, and therefore the universality of the clamp is further improved.
The invention is further provided with: ear supports positioner still includes the vertical strutting arrangement of ear, the vertical strutting arrangement of ear includes the ear bracing piece, the lower extreme of ear bracing piece is installed on ear supports the location base, the upper end and the upper and lower ear of ear bracing piece offset.
Through adopting above-mentioned technical scheme, support upper and lower ear through ear's bracing piece, ear's bracing piece supports the both ends of work piece respectively with the V seat, guarantees the stability of work piece in the horizontal direction, in addition, fixes a position upper and lower ear respectively through ear's bracing piece, can effectively guarantee that upper and lower ear inboard and outside face (the machined surface promptly) is perpendicular with the horizontal plane to the machining precision of the inboard and outside face is higher about making.
The invention is further provided with: the lower end of the ear supporting rod is installed on the ear supporting and positioning base through a height adjusting mechanism.
Through adopting above-mentioned technical scheme, the height at ear's bracing piece top can be adjusted to high adjustment mechanism to the location precision of ear about further guaranteeing about adjusting the height of ear, simultaneously, through the height of adjusting ear's bracing piece, the location of the different work piece of ear size about can also realizing has further improved the commonality of anchor clamps.
The invention is further provided with: height adjusting mechanism supports the uide bushing on the location base including fixing at the ear, the outer wall of ear's bracing piece and the inner wall sliding connection of uide bushing, the below of uide bushing is equipped with the slider, the up end of slider is equipped with the inclined plane along the slip direction downward sloping, the bottom of ear's bracing piece bears on the inclined plane, the ear support be equipped with on the location base with slider complex slide, the slide direction is unanimous with the slip direction.
By adopting the technical scheme, when the slide block is driven to slide along the slide way, the inclined plane at the upper end of the slide block pushes the ear supporting rod to slide up and down along the guide sleeve, so that the height of the ear supporting rod is adjusted, the height adjusting mechanism is ingenious in structural design, and the adjusting process is simple.
The invention is further provided with: the sliding block is connected with the height adjusting oil cylinder.
By adopting the technical scheme, the height adjusting oil cylinder automatically drives the sliding block to reciprocate, so that the height can be automatically adjusted, meanwhile, the height adjusting oil cylinder can enable the sliding block to be kept at different positions according to different strokes, so that the ear supporting rods are kept at different heights, supporting and positioning of upper and lower ears of workpieces with different upper and lower ear sizes are realized, and the universality of the fixture is further improved.
The invention is further provided with: still include the bridge plate, the equal fixed mounting of base and ear support location base is on the bridge plate, the base is fixed on the bridge plate, ear supports location base through setting up T shape slider on its bottom plane and the T shape spout sliding fit of setting on the bridge plate.
Through adopting above-mentioned technical scheme, support location base fixed mounting with base and ear on the bridge plate, make each part interconnect of whole anchor clamps form a whole, be convenient for whole installation and the dismantlement of whole anchor clamps, in addition, ear supports the location base and adopts T shape slider and bridge plate T shape spout connection cooperation, make strutting arrangement carry out the quick adjustment of location support according to the inboard width of the lower ear of knuckle of not unidimensional, greatly increased the adjustability of support position, thereby greatly increased the commonality of positioner to different products.
The invention has the beneficial effects that:
1. the invention positions the workpiece shaft neck through the V seat fixed on the base, the workpiece shaft neck is supported by the cushion block, the cushion blocks with different thicknesses are selected according to different diameters of the workpiece shaft neck, the center height of the workpiece shaft neck is ensured through the thickness of the cushion block, good positioning can be realized through steering knuckles with different diameters of the workpiece shaft neck, the universality of the positioning device is further increased, the disc part positioning plate fixed on one side of the V seat positions the workpiece disc part to realize the positioning of the workpiece in the horizontal direction, then the workpiece is pressed on the V seat through the pressing mechanism to ensure that the workpiece is fixed on the clamp, no manual assistance is needed, the clamping process is simple, the production efficiency is high, the positioning effect is good, and the axis of the workpiece shaft neck is automatically centered through the positioning of the workpiece shaft neck through the arrangement of the V seat, no error of the diameter of the workpiece shaft neck caused by the previous process (turning), the center position of the workpiece journal in the process is influenced, the relative positions of the center of the workpiece journal and the center of the machine tool spindle can be always kept consistent, and the positioning error can be effectively reduced in the mass production process, so that the machining precision is higher.
2. The V seat and the base are positioned by the positioning pin, the angle adjusting positioning hole is connected with the corresponding angle adjusting matching hole by the pin after the V seat rotates out of different angles, the V seat is positioned on the base, the V seat is fixed on the base by the bolt so as to meet the requirement of fast conversion production of products with different angles, the fixing hole is designed into a long circular arc shape, the bolt can fix the V seat on the base at different angles, and the angle adjusting function is realized, so the invention has higher universality, better adaptability, lower production cost and development cost and high economic benefit, simultaneously, the invention longitudinally compresses the shaft neck by the compressing mechanism, transversely compresses and longitudinally supports the ear part by the ear part supporting and positioning device, leads the disc part of the whole workpiece to be tightly attached to the disc part positioning plate, and combines the positioning of the shaft neck by the V seat to jointly realize the positioning of the whole workpiece, the stability of product clamping is good, and the machining precision is high.
3. The pressing mechanism drives one end of the pressing arm to move downwards through the longitudinal pressing oil cylinder, so that the pressing arm rotates around a point of the pressing arm connected with the supporting arm, the end, located above a workpiece journal, of the pressing arm is driven to move up and down to clamp or loosen the workpiece journal, meanwhile, the distance of the up-and-down movement of the end, located above the workpiece journal, of the pressing arm can be effectively controlled by controlling the stroke of the longitudinal pressing oil cylinder, the pressing of products with different diameters of the workpiece journal can be met, the universality of the clamp is further improved, meanwhile, the V-shaped pressing head is arranged at the end part of the pressing arm to clamp the workpiece on the V-shaped seat, and the workpiece journal is positioned by the V-shaped surface of the V-shaped seat, so that after the V-shaped pressing head is pressed and contacted with the workpiece journal, the position of the V-shaped pressing head is further limited, and the pressure of the V-shaped pressing head on the workpiece journal always faces the center of the workpiece journal, thereby further make the clamping of work piece axle journal more firm, the stability and the processingquality of product clamping are better.
4. The ear transverse pressing device in the ear supporting and positioning device further presses the workpiece in the horizontal direction, so that the workpiece cannot move transversely in the machining process, the clamping stability is further improved, the ear transverse pressing device and the pressing mechanism are similar in structural principle, the transverse pressing oil cylinder is utilized to drive the transverse pressing arm to rotate around the point of the transverse pressing arm connected with the transverse supporting arm, so that the end opposite to the positions of the upper lug and the lower lug of the workpiece is pressed tightly against the upper lug and the lower lug of the workpiece, and the disc part of the workpiece is tightly attached to the disc part positioning plate, the distance of the left-right movement of the transverse pressing arm and one end of the workpiece opposite to the upper lug and the lower lug can be effectively controlled by controlling the stroke of the transverse pressing oil cylinder, the pressing of products with different sizes of the upper lug and the lower lug can be met, and therefore the universality of the clamp is further improved.
5. The lower end of the ear supporting rod of the invention is arranged on the ear supporting and positioning base through the height adjusting mechanism, the height adjusting mechanism can adjust the height of the top of the ear supporting rod, thereby adjusting the height of the upper ear and the lower ear, further ensuring the positioning accuracy of the upper ear and the lower ear, meanwhile, the positioning of workpieces with different sizes of the upper ear and the lower ear can be realized by adjusting the height of the ear supporting rod, the universality of the clamp is further improved, the height adjusting mechanism drives the slide block to slide along the slide way on the ear supporting and positioning base when adjusting the height of the top of the ear supporting rod, so that the inclined plane at the upper end of the slide block pushes the ear supporting rod to slide up and down along the guide sleeve, thereby realizing the adjustment of the height of the ear supporting rod, the structure design of the height adjusting mechanism is ingenious, the adjusting process is simple,
6. the height adjusting mechanism automatically drives the sliding block to reciprocate through the height adjusting oil cylinder when adjusting the height of the top of the ear supporting rod, so that the height is automatically adjusted, meanwhile, the height adjusting oil cylinder can enable the sliding block to be kept at different positions according to different strokes, so that the ear supporting rod is kept at different heights, supporting and positioning of upper and lower ears of workpieces with different sizes of the upper and lower ears are achieved, and the universality of the clamp is further improved.
7. In addition, the ear supporting and positioning base adopts the T-shaped slide block to be connected and matched with the T-shaped chute of the bridge plate, so that the supporting device can carry out positioning and supporting quick adjustment according to the widths of the inner sides of the upper ear and the lower ear of steering knuckles with different sizes, the adjustability of the supporting position is greatly increased, and the universality of the positioning device on different products is greatly increased.
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 front view of the locating device for the inner and outer rough milling of the upper and lower lugs of the knuckle of the present invention.
FIG. 2 is a left side view of the inner and outer side rough milling positioning device for the upper and lower lugs of the knuckle of the present invention.
Fig. 3 is a top view of fig. 2.
FIG. 4 is a schematic structural diagram of a middle lug transverse pressing device of the steering knuckle inner and outer side rough milling positioning device of the invention.
FIG. 5 is a schematic structural diagram of a base in the positioning device for rough milling of the inner and outer sides of the upper and lower lugs of the knuckle according to the present invention.
FIG. 6 is a schematic structural diagram of a V-shaped seat in the positioning device for inner and outer rough milling of the upper and lower lugs of the knuckle of the invention.
FIG. 7 is a schematic view of the bottom structure of the V-shaped seat in the positioning device for inner and outer rough milling of the upper and lower lugs of the knuckle according to the present invention.
FIG. 8 is a schematic structural diagram of a knuckle which is positioned by the inner and outer coarse milling positioning device for the upper and lower lugs of the knuckle according to the present invention.
In the figure, 1, a base; 11. positioning pins; 12. bolt holes; 13. an angle adjusting positioning hole; 2. a positioning device; 21. a V seat; 211. positioning holes; 212. a fixing hole; 213. an angle adjusting matching hole; 22. a disc positioning plate; 23. a hold-down mechanism; 231. Pressing the arm; 232. a support arm; 233. longitudinally pressing the oil cylinder; 234. a V-shaped pressure head; 24. ear support positioning means; 241. The ear part supports the positioning base; 2411. a T-shaped slider; 242. ear transverse compression devices; 2421. a transverse pressing arm; 2422. A transverse support arm; 2423. transversely pressing the oil cylinder; 243. ear longitudinal support means; 2431. ear support rods; 244. a height adjustment mechanism; 2441. a guide sleeve; 2442. a slider; 2443. a bevel; 2444. a slideway; 2445. a height adjusting oil cylinder; 25. a bolt; 26. cushion blocks; 4. a workpiece journal; 5. a bridge plate; 51. a T-shaped chute; 6. upper and lower ears; 7. the disc portion.
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.
As shown in fig. 1 to 8, the positioning device for rough milling inside and outside of the upper lug and the lower lug of the steering knuckle comprises a base 1 and a positioning device 2 arranged on the base 1, wherein the positioning device 2 comprises a V-shaped seat 21 for positioning a workpiece journal 4, a disc positioning plate 22 for positioning a disc 7 and a pressing mechanism 23 for pressing the workpiece journal 4, the V-shaped seat 21 is detachably connected with the base 1, a V-shaped surface for positioning the workpiece journal 4 is arranged on the V-shaped seat 21, each V-shaped surface is provided with a cushion block 26 for supporting the workpiece journal 4, each cushion block 26 can be composed of two cushion plates with the same thickness, the two cushion plates are respectively fixed on the V-shaped surface of the V-shaped seat 21, the upper surfaces of the two cushion plates are respectively parallel to the V-shaped surface of the V-shaped seat 21, the disc positioning plate 22 is fixed on one side of the V-shaped seat 21, and the pressing mechanism 23 is located on the other side of the V-shaped seat 21, the V seat 21 fixed on the base 1 positions the workpiece journal 4, the cushion blocks 26 with different thicknesses are selected according to different diameters of the workpiece journal 4, the center height of the workpiece journal 4 is ensured through the thickness of the cushion blocks 26, the steering knuckles with different diameters of the workpiece journal 4 can realize good positioning, the universality of the positioning device 2 is further increased, the disc part positioning plate 22 fixed on one side of the V seat 21 positions the workpiece disc part 7 to realize the positioning of the workpiece in the horizontal direction, then the workpiece is tightly pressed on the V seat 21 through the pressing mechanism 23 to ensure that the workpiece is fixed on a clamp, no manual assistance is needed, the clamping process is simple, the production efficiency is high, the positioning effect is good, the workpiece journal 4 is positioned by arranging the V-shaped surface on the V seat 21, the automatic centering of the axis of the workpiece journal 4 can be realized, and the error of the diameter of the workpiece journal 4 caused by the previous process (turning) can be avoided, the central position of the workpiece journal 4 in the process is influenced, the relative positions of the center of the workpiece journal 4 and the center of the machine tool spindle can be always kept consistent, and the positioning error can be effectively reduced in the mass production process, so that the processing precision is higher.
Further, the base 1 is provided with a positioning pin 11 and a plurality of bolt holes 12 for fixing the V-shaped seat 21, the V-shaped seat 21 is provided with a positioning hole 211 matched with the positioning pin 11 and a plurality of fixing holes 212 corresponding to the bolt holes 12, the fixing holes 212 are long circular arc-shaped holes, the positioning pin 11 is rotatably connected with the positioning hole 211, the bolt holes 12 are connected with the fixing holes 212 through bolts 25, the base 1 is further provided with a plurality of angle adjusting positioning holes 13, the V-shaped seat 21 is provided with a plurality of angle adjusting matching holes 213, the angle adjusting matching holes 213 are connected with the angle adjusting positioning holes 13 through pins, the V-shaped seat 21 and the base 1 are positioned through the positioning pin 11, so that the V-shaped seat 21 can be rotated out of different angles and then fixed on the base 1 through different bolt holes 12 to meet the rapid conversion production of products with different angles, and the fixing holes are set to be long circular arc-shaped, the bolt can fix the V seat on the base at different angles, so that the angle adjusting function is realized, the clamp is higher in universality, the development amount of the clamp is reduced, and the production cost is reduced.
Further, the pressing mechanism 23 includes a pressing arm 231, a supporting arm 232 and a longitudinal pressing cylinder 233, one end of the supporting arm 232 is connected with the base 1, the other end of the supporting arm 232 is rotatably connected with the pressing arm 231, the longitudinal pressing cylinder 233 is fixed on the base 1, the longitudinal pressing cylinder 233 is connected with one end of the pressing arm 231, the other end of the pressing arm 231 is located above the workpiece journal 4, the longitudinal pressing cylinder 233 drives one end of the pressing arm 231 to move downward, so that the pressing arm 231 rotates around a point where the pressing arm is connected with the supporting arm 232, and thus the end of the pressing arm 231 located above the workpiece journal 4 is driven to move up and down to clamp or loosen the workpiece journal 4, and meanwhile, by controlling the stroke of the longitudinal pressing cylinder 233, the distance of the up and down movement of the end of the pressing arm 231 located above the workpiece journal 4 can be effectively controlled, and pressing of products with different diameters of the workpiece journal 4 can be satisfied, the universality of the clamp is further improved.
Furthermore, one end of the pressing arm 231, which is located above the workpiece journal 4, is provided with a V-shaped pressing head 234, a V-shaped surface of the V-shaped pressing head 234 is opposite to a V-shaped surface on the V-shaped seat 21, the workpiece is clamped on the V-shaped seat 21 by the V-shaped surface of the V-shaped pressing head 234, and since the workpiece journal 4 is located by the V-shaped surface of the V-shaped seat 21, the position of the V-shaped pressing head 234 is fixed after the V-shaped pressing head 234 is pressed on the workpiece journal 4, so that the pressure of the V-shaped pressing head 234 on the workpiece journal 4 always faces the center of the workpiece journal 4, so that the workpiece journal 4 is clamped more firmly, and the stability and the processing quality of product clamping are further improved.
Further, the device 24 comprises an ear supporting and positioning device 24, the ear supporting and positioning device 24 comprises an ear supporting and positioning base 241 and an ear transverse pressing device 242, the ear transverse pressing device 242 is fixed on the ear supporting and positioning base 241, the ear transverse pressing device 242 comprises a transverse pressing arm 2421, a transverse supporting arm 2422 and a transverse pressing oil cylinder 2423, one end of the transverse supporting arm 2422 is connected with the ear supporting and positioning base 241, the other end of the transverse supporting arm 2422 is rotatably connected with the transverse pressing arm 2421, the transverse pressing oil cylinder 2423 is fixed on the ear supporting and positioning base 241, the transverse pressing oil cylinder 2423 is connected with one end of the transverse pressing arm 2421, the other end of the transverse pressing arm 2421 is opposite to the positions of the upper ear 6 and the lower ear 6 of the workpiece, the ear transverse pressing device 242 in the ear supporting and positioning device 24 further presses the workpiece in the horizontal direction, the workpiece cannot move transversely in the machining process, the clamping stability is further improved, the ear transverse pressing device 242 and the pressing mechanism 23 are similar in structure principle, the transverse pressing oil cylinder 2423 is used for driving the transverse pressing arm 2421 to rotate around the point where the transverse pressing arm 2422 is connected, so that the upper lug 6 and the lower lug 6 of the workpiece are pressed by the end, opposite to the positions of the upper lug 6 and the lower lug 6 of the workpiece, the disc part 7 of the workpiece is tightly attached to the disc part positioning plate 22, similarly, the distance of the left-right movement of the end, opposite to the positions of the transverse pressing arm 2421 and the upper lug 6 of the workpiece, of the transverse pressing arm 2423 can be effectively controlled by controlling the stroke size of the transverse pressing oil cylinder 2423, the pressing of products with different sizes of the upper lug 6 and the lower lug 6 can be met, and the universality of the clamp is further improved.
Further, ear supports positioner 24 and still includes ear vertical strutting arrangement 243, ear vertical strutting arrangement 243 includes ear bracing piece 2431, ear bracing piece 2431's lower extreme is installed on ear supports location base 241, ear bracing piece 2431's upper end offsets with upper and lower ear 6, supports upper and lower ear 6 through ear bracing piece 2431, and ear bracing piece 2431 supports the both ends of work piece respectively with V seat 21, guarantees the stability of work piece at the horizontal direction, in addition, fixes a position upper and lower ear 6 respectively through ear bracing piece 2431, can effectively guarantee that the interior lateral surface of upper and lower ear 6 (being the machined surface) is perpendicular with the horizontal plane to the machining precision of the interior lateral surface of upper and lower ear 6 is higher.
Further, the lower extreme of ear's bracing piece 2431 passes through height-adjusting mechanism 244 to be installed on ear supports location base 241, and height-adjusting mechanism 244 can adjust the height at ear's bracing piece 2431 top to the height of ear 6 about adjusting further guarantees the positioning accuracy of ear 6 about, simultaneously, through the height of adjusting ear's bracing piece 2431, can also realize the location of the different work piece of ear 6 size about, further improved the commonality of anchor clamps.
Further, the height adjusting mechanism 244 includes a guide sleeve 2441 fixed on the ear supporting and positioning base 241, the outer wall of the ear supporting rod 2431 is slidably connected with the inner wall of the guide sleeve 2441, a sliding block 2442 is arranged below the guide sleeve 2441, an inclined surface 2443 inclined downward along the sliding direction is arranged on the upper end surface of the sliding block 2442, the bottom of the ear supporting rod 2431 is borne on the inclined surface 2443, a sliding way 2444 matched with the sliding block 2442 is arranged on the ear supporting and positioning base 241, the direction of the sliding way 2444 is consistent with the sliding direction, when the sliding block 2442 is driven to slide along the sliding way 2444, the inclined surface on the upper end of the sliding block 2442 pushes the ear supporting rod 2431 to slide up and down along the guide sleeve 2441, so that the height of the ear supporting rod 2431 is adjusted, and the height adjusting mechanism 244 is ingenious in structural design and simple in adjusting process.
Furthermore, slider 2442 is connected with height adjustment hydro-cylinder 2445, through height adjustment hydro-cylinder 2445 automatic drive slider 2442 reciprocating motion to realize the automatically regulated of height, height adjustment hydro-cylinder 2445 can make slider 2442 keep in different positions according to the stroke of difference simultaneously, thereby makes ear's bracing piece 2431 keep in different height, thereby the support location of the upper and lower ear 6 of the work piece of 6 different sizes on the ear about realizing, has further improved the commonality of anchor clamps.
Further comprises a bridge plate 5, the base 1 and the ear supporting and positioning base 241 are both fixedly arranged on the bridge plate 5, the base 1 is fixed on the bridge plate 5, the ear supporting and positioning base 241 is in sliding fit with the T-shaped sliding groove 51 arranged on the bridge plate 5 through the T-shaped sliding block 2411 arranged on the bottom plane of the ear supporting and positioning base 241, the base 1 and the ear supporting and positioning base 241 are fixedly arranged on the bridge plate 5, all parts of the whole clamp are mutually connected to form a whole, the whole clamp is convenient to integrally install and disassemble, in addition, the ear supporting and positioning base 241 adopts the T-shaped sliding block 2411 to be connected and matched with the bridge plate T-shaped sliding groove 51, so that the ear supporting and positioning device 24 can perform positioning and supporting quick adjustment according to the widths of the inner sides of the upper and lower ears 6 of the steering knuckle with different sizes, the adjustability of the supporting position is greatly increased, and the universality of the positioning device on different products is greatly increased.
The working principle of the invention is as follows: the workpiece journal 4 is placed on the V seat 21 to position the workpiece journal 4, then the workpiece disc part 7 is positioned through the disc part positioning plate 22 fixed on one side of the V seat 21 to realize the positioning of the workpiece in the horizontal direction, then the workpiece is pressed on the V seat 21 through the pressing mechanism 23 to ensure that the workpiece is fixed on a clamp, the ear transverse pressing device 242 in the ear supporting and positioning device 24 further presses the workpiece in the horizontal direction to ensure that the workpiece does not transversely move in the machining process, the ear longitudinal supporting device 243 in the ear supporting and positioning device 24 supports the upper ear 6 and the lower ear 6 through the ear supporting rod 2431, the two ends of the workpiece are respectively supported through the ear supporting rod 2431 and the V seat 21 to ensure the stability of the workpiece in the horizontal direction, the lower end of the ear supporting rod 2431 is installed on the ear supporting and positioning base 241 through the height adjusting mechanism 244, when the sliding block 2442 in the height adjusting mechanism 244 is driven to slide along the sliding rail 2444, the inclined surface at the upper end of the sliding block 2442 pushes the ear supporting rod 2431 to slide up and down along the guide sleeve 2441, so that the height of the ear supporting rod 2431 is adjusted.
Claims (10)
1. Outer side rough milling processing positioner in ear about knuckle includes base (1) and positioner (2) of setting on base (1), its characterized in that: positioner (2) including V seat (21) that are used for work piece axle journal (4) location, a dish portion locating plate (22) that are used for dish portion (7) location and be used for carrying out hold-down mechanism (23) that compress tightly work piece axle journal (4), V seat (21) can be dismantled with base (1) and be connected, be equipped with the V-arrangement face that is used for work piece axle journal (4) location on V seat (21), all be equipped with cushion (26) that are used for supporting the work piece axle journal on the V-arrangement face, one side at V seat (21) is fixed in dish portion locating plate (22), hold-down mechanism (23) are located the opposite side of V seat (21).
2. The inner and outer coarse milling positioning device for the upper and lower lugs of the steering knuckle according to claim 1, which is characterized in that: be equipped with locating pin (11) and a plurality of bolt hole (12) that are used for fixed V seat (21) on base (1), be equipped with on V seat (21) with locating pin (11) complex locating hole (211) and a plurality of fixed orifices (212) that correspond with bolt hole (12), fixed orifices (212) are long circular arc hole, locating pin (11) and locating hole (211) coaxial cooperation, bolt hole (12) are connected through bolt (25) with fixed orifices (212), still be equipped with a plurality of angle modulation locating holes (13) on base (1), be equipped with a plurality of angle modulation mating holes (213) on V seat (21), angle modulation mating holes (213) are connected with angle modulation locating hole (13) through the pin.
3. The inner and outer coarse milling positioning device for the upper and lower lugs of the steering knuckle according to claim 2, characterized in that: the pressing mechanism (23) comprises a pressing arm (231), a supporting arm (232) and a longitudinal pressing oil cylinder (233), one end of the supporting arm (232) is connected with the base (1), the other end of the supporting arm (232) is rotatably connected with the pressing arm (231), the longitudinal pressing oil cylinder (233) is fixed on the base (1), the longitudinal pressing oil cylinder (233) is connected with one end of the pressing arm (231), and the other end of the pressing arm (231) is located above the workpiece journal (4).
4. The knuckle inner and outer side rough milling positioning device according to claim 3, which is characterized in that: one end of the pressure arm (231) above the workpiece journal (4) is provided with a V-shaped pressure head (234), and the V-shaped surface of the V-shaped pressure head (234) is opposite to the V-shaped surface on the V-shaped seat (21).
5. The inner and outer coarse milling positioning device for the upper and lower lugs of the steering knuckle according to claim 1, which is characterized in that: further comprises an ear supporting and positioning device (24), the ear supporting and positioning device (24) comprises an ear supporting and positioning base (241) and an ear transverse pressing device (242), the ear transverse pressing device (242) is fixed on an ear supporting and positioning base (241), the ear transverse pressing device (242) comprises a transverse pressing arm (2421), a transverse supporting arm (2422) and a transverse pressing oil cylinder (2423), one end of the transverse supporting arm (2422) is connected with the ear supporting and positioning base (241), the other end of the transverse supporting arm (2422) is rotationally connected with a transverse pressing arm (2421), the transverse pressing oil cylinder (2423) is fixed on the ear supporting and positioning base (241), the transverse pressing oil cylinder (2423) is connected with one end of a transverse pressing arm (2421), the other end of the transverse pressing arm (2421) is opposite to the positions of the upper lug and the lower lug (6) of the workpiece.
6. The knuckle inner and outer side rough milling positioning device according to claim 5, which is characterized in that: the ear supporting and positioning device (24) further comprises an ear longitudinal supporting device (243), the ear longitudinal supporting device (243) comprises an ear supporting rod (2431), the lower end of the ear supporting rod (2431) is installed on the ear supporting and positioning base (241), and the upper end of the ear supporting rod (2431) is abutted to the upper and lower ears (6).
7. The knuckle inner and outer side rough milling positioning device according to claim 6, which is characterized in that: the lower end of the ear supporting rod (2431) is arranged on the ear supporting and positioning base (241) through a height adjusting mechanism (244).
8. The inner and outer coarse milling positioning device for the upper and lower lugs of the steering knuckle according to claim 7, characterized in that: height adjustment mechanism (244) are including fixing uide bushing (2441) on ear support location base (241), the outer wall of ear bracing piece (2431) and the inner wall sliding connection of uide bushing (2441), the below of uide bushing (2441) is equipped with slider (2442), the up end of slider (2442) is equipped with along inclined plane (2443) of slip direction downward sloping, the bottom of ear bracing piece (2431) bears on inclined plane (2443), be equipped with on ear support location base (241) with slider (2442) complex slide (2444), slide (2444) direction is unanimous with the slip direction.
9. The inner and outer coarse milling positioning device for the upper and lower lugs of the steering knuckle according to claim 8, wherein: the sliding block (2442) is connected with a height adjusting oil cylinder (2445).
10. The inner and outer coarse milling positioning device for the upper and lower lugs of the steering knuckle according to claim 9, wherein: still include bridge plate (5), base (1) and ear support the equal fixed mounting of location base (241) on bridge plate (5), base (1) are fixed on bridge plate (5), ear supports location base (241) through setting up T shape slider 2411 on its bottom plane with set up T shape spout (51) sliding fit on bridge plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110491176.1A CN113211143B (en) | 2021-05-06 | 2021-05-06 | Locating device for rough milling of inner side and outer side of upper lug and lower lug of steering knuckle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110491176.1A CN113211143B (en) | 2021-05-06 | 2021-05-06 | Locating device for rough milling of inner side and outer side of upper lug and lower lug of steering knuckle |
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| Publication Number | Publication Date |
|---|---|
| CN113211143A true CN113211143A (en) | 2021-08-06 |
| CN113211143B CN113211143B (en) | 2022-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110491176.1A Active CN113211143B (en) | 2021-05-06 | 2021-05-06 | Locating device for rough milling of inner side and outer side of upper lug and lower lug of steering knuckle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115430862A (en) * | 2022-09-29 | 2022-12-06 | 湖北洪伯车辆有限公司 | Combined machine tool for machining steering knuckle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001002A (en) * | 2010-09-12 | 2011-04-06 | 王庆 | Fixture for machining knuckle backing pin hole |
| CN104029056A (en) * | 2014-05-29 | 2014-09-10 | 苏州卓诚钛设备有限公司 | Clamp for machining automobile steering knuckle |
| CN211414403U (en) * | 2019-12-05 | 2020-09-04 | 谷城华文汽车零部件有限公司 | Automobile steering knuckle ear milling and fixing clamp |
| CN212145091U (en) * | 2019-12-31 | 2020-12-15 | 方盛车桥（柳州）有限公司 | Axle housing accessory automatic clamping frock |
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2021
- 2021-05-06 CN CN202110491176.1A patent/CN113211143B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001002A (en) * | 2010-09-12 | 2011-04-06 | 王庆 | Fixture for machining knuckle backing pin hole |
| CN104029056A (en) * | 2014-05-29 | 2014-09-10 | 苏州卓诚钛设备有限公司 | Clamp for machining automobile steering knuckle |
| CN211414403U (en) * | 2019-12-05 | 2020-09-04 | 谷城华文汽车零部件有限公司 | Automobile steering knuckle ear milling and fixing clamp |
| CN212145091U (en) * | 2019-12-31 | 2020-12-15 | 方盛车桥（柳州）有限公司 | Axle housing accessory automatic clamping frock |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115430862A (en) * | 2022-09-29 | 2022-12-06 | 湖北洪伯车辆有限公司 | Combined machine tool for machining steering knuckle |
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| CN113211143B (en) | 2022-09-02 |
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