CN115570175A - Machine tool special for steering knuckle - Google Patents
Machine tool special for steering knuckle Download PDFInfo
- Publication number
- CN115570175A CN115570175A CN202211212386.3A CN202211212386A CN115570175A CN 115570175 A CN115570175 A CN 115570175A CN 202211212386 A CN202211212386 A CN 202211212386A CN 115570175 A CN115570175 A CN 115570175A
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- Prior art keywords
- wedge
- knuckle
- steering knuckle
- longitudinal
- pressing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B41/02—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for boring deep holes; Trepanning, e.g. of gun or rifle barrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
-
- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention relates to the technical field of steering knuckle processing, and discloses a machine tool special for a steering knuckle, which comprises a machine tool body, wherein horizontal drilling devices are arranged on two sides of the machine tool body, each horizontal drilling device comprises a rotary drill bit for respectively processing holes of two lug parts of the steering knuckle, the rotary drill bits are arranged on the left side and the right side of the machine tool body through numerical control sliding tables, a positioning device for clamping and positioning the steering knuckle is arranged between the two numerical control sliding tables, each positioning device comprises a positioning body for positioning the steering knuckle and a pressing device for fixing the positioned steering knuckle, each pressing device comprises a transverse supporting device for transversely supporting the lug part of the steering knuckle and a longitudinal pressing device for longitudinally pressing, and the transverse supporting device and the longitudinal pressing device are connected through a pressing driving device.
Description
Technical Field
The invention relates to the technical field of steering knuckle processing, in particular to a machine tool special for a steering knuckle.
Background
The steering knuckle is also called as a cleat, 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 functions to transmit and bear the front load of the automobile, support and drive the front wheel to rotate around the main pin so as to steer the automobile.
In the process of drilling the steering knuckle, the steering knuckle needs to be kept stable, but the conventional steering knuckle drilling device cannot keep the steering knuckle completely stable, so that the steering knuckle shakes in the drilling process to influence the drilling effect; and only one side of the steering knuckle can be drilled at each time, and the two sides of the steering knuckle cannot be drilled simultaneously, so that the drilling efficiency is low.
The utility model discloses a grant utility model patent that bulletin number is CN216096533U discloses a drilling of truck knuckle double-end is equipped, including the bedstead, install the work piece on the bedstead and press from both sides dress location frock, press from both sides the both sides of dress location frock at the work piece and all install a horizontal drilling equipment, horizontal drilling equipment installs on the numerical control slip table of direction about the level, horizontal drilling equipment's main shaft is connected with driving motor: the workpiece clamping and positioning tool comprises an inclined plane, a through hole is formed in the inclined plane, the size of the through hole is matched with the diameter of a rod on the lower end face of a steering knuckle, a positioning pin is further arranged on the inclined plane, and the positioning pin corresponds to a positioning hole in the steering knuckle: two supporting columns are fixedly installed at the position close to the inclined plane, the upper end of each supporting column is hinged with a pressing claw, the rear end of each pressing claw is hinged to a cylinder rod of the pressing oil cylinder, and the front ends of the two pressing claws are respectively positioned above one groove surface. Although the patent can improve the working efficiency by finishing the processing of two holes at one time, the following defects still exist:
the both ends drill bit can be followed transverse direction and fed when driling to drilling face (groove face) has certain lateral extrusion force, thereby makes two drilling faces warp towards the one side that is close to each other bending, leads to two drilling faces (groove face) after the processing is accomplished can't keep original vertical state, even the later stage aligning also can't guarantee that the hole of drilling is coaxial on two drilling faces, makes the knuckle after the processing be difficult to accord with the design requirement.
Disclosure of Invention
The invention aims to provide a machine tool special for a steering knuckle, which has the advantages of high machining precision, good stability, simplicity in operation, high machining efficiency and the like.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides a lathe of knuckle is exclusively used in, includes the lathe body, both sides on the lathe body all are equipped with horizontal drilling equipment, horizontal drilling equipment is including being used for respectively carrying out the rotary drill of spot facing work to two ears of knuckle, rotary drill passes through the numerical control slip table and installs the left and right sides at the lathe body, is equipped with the positioner who is used for carrying out the clamping location to the knuckle between two numerical control slip tables, positioner is including being used for carrying out the location body of fixing a position and being used for carrying out the closing device who fixes a position the knuckle after to the knuckle, closing device is including being used for carrying out the horizontal strutting arrangement of horizontal support and the vertical closing device who vertically compresses tightly of horizontal strutting arrangement and vertical closing device that transversely supports the knuckle ear, horizontal strutting arrangement and vertical closing device are connected through compressing tightly drive arrangement.
Through adopting the above technical scheme, rotary drill among the horizontal drilling equipment carries out transverse feed and high-speed rotation from the knuckle both sides when numerical control slip table lateral sliding, thereby realize carrying out drilling simultaneously to two ears of knuckle, the machining efficiency in hole has effectively been improved, positioner carries out axial and circumference location through the location body to the pole portion of knuckle, make two ears of knuckle wait to process the position and rotary drill's drilling route phase-match, the machining precision in hole has effectively been guaranteed, closing device is used for carrying out vertical compression and horizontal support to two ears of knuckle when drilling, the stability of knuckle ear in drilling course of working has effectively been guaranteed, the machining precision in knuckle ear hole has further been improved.
The invention is further provided with: the positioning body is provided with a positioning surface for positioning the disc part of the steering knuckle, the positioning surface is provided with a positioning hole matched with the rod part of the steering knuckle and a positioning pin matched with a hole in the disc part of the steering knuckle, and an included angle between the positioning surface and a horizontal plane is equal to an included angle between the disc part of the steering knuckle and an axis of a hole to be drilled of two lug parts of the steering knuckle.
By adopting the technical scheme, only need during the location insert the locating hole with the pole portion of knuckle and make the locating pin phase-match on corresponding hole and the locating surface on the knuckle dish portion, and make the dish portion of knuckle and the locating surface of the location body support tightly, can realize the axial and circumference location of knuckle, positioning process is simple, and convenient for operation, and because the contained angle between locating surface and the horizontal plane on the location body equals with the contained angle between the axis of the two ears of knuckle dish portion and knuckle and waiting to drill and make knuckle dish portion and locating surface support tightly the back, the axis that the two ears of knuckle were waiting to drill is coaxial with the rotary drill, thereby make the rotary drill only need transverse feed just can realize the processing in the two ears of knuckle hole, the course of working is simple, the machining precision is high.
The invention is further provided with: the lateral support device comprises: carry out the wedge one and the wedge two that transversely support to two ear medial surfaces of knuckle respectively, one side that wedge one and wedge two are close to two ears of knuckle offsets with the medial surface of two ears of knuckle respectively, one side that two ears of knuckle were kept away from to wedge one and wedge two is the wedge inclined plane, the wedge inclined plane of wedge one and wedge two respectively with the wedge inclined plane sliding fit of wedge driving block both sides, the wedge driving block is connected with compressing tightly drive arrangement.
Through adopting above-mentioned technical scheme, the wedge-shaped drive block downstream under the drive that compresses tightly drive arrangement, the bottom until wedge-shaped piece one and wedge-shaped piece one contradict with the part that the knuckle disk part is located between two ears, along with the continuation downstream of wedge-shaped drive block, the wedge inclined plane of wedge-shaped drive block both sides constantly extrudes wedge-shaped piece one and wedge-shaped piece two, make wedge-shaped piece one and wedge-shaped piece two move to the direction of the medial surface that turns to two ears respectively and contradict to the medial surface with two ears of knuckle, thereby realize carrying out the horizontal support to two ears of knuckle, guarantee that two ears of knuckle ear can not take place the deformation under the transverse feed pressure effect of rotary drill bit, thereby make the drilling face of two ears of knuckle remain original vertical state after the drilling of knuckle ear, knuckle ear drilling precision has further been improved, make the knuckle more accord with the design requirement after the processing.
The invention is further configured as follows: the wedge inclined plane mutual symmetry of wedge driving block both sides just extends along one side that is close to each other from top to bottom, all be equipped with T type spout on the wedge inclined plane of wedge driving block both sides, be equipped with respectively on wedge one and the wedge two with T type spout sliding fit's T type slide rail, the upper end of T type spout is connected through compression spring one and compression spring two respectively on the T type slide rail upper end of stated wedge one and wedge two and the wedge inclined plane of wedge driving block both sides.
By adopting the technical scheme, the wedge-shaped driving block is matched with the T-shaped sliding rails on the first wedge-shaped block and the second wedge-shaped block through the T-shaped sliding grooves, so that the first wedge-shaped block and the second wedge-shaped block can be connected with each other and can slide relatively, the first compression spring and the second compression spring are used for connecting and resetting relative positions between the first wedge-shaped block and the second wedge-shaped block and the wedge-shaped driving block, the first wedge-shaped block and the second wedge-shaped block are ensured to be positioned at the bottom of the wedge-shaped driving block before entering between two lugs of the steering knuckle, the distance between the first wedge-shaped block and the second wedge-shaped block before entering between the two lugs of the steering knuckle is ensured to be smaller than the distance between the inner sides of the two lugs of the steering knuckle, the first wedge-shaped block and the second wedge-shaped block can more easily enter between the inner sides of the two lugs of the steering knuckle, after the first wedge-shaped block and the first wedge-shaped block enter between the inner sides of the two lugs of the steering knuckle and are abutted against the part of the steering knuckle, the wedge-shaped driving block and the two lugs, the wedge-shaped block can still tightly press the two lugs of the steering knuckle, and the transverse abutting against the lug and the two lugs, and the steering knuckle, and the wedge-shaped block can also can realize the effect of the supporting of the lifting of the steering knuckle.
The invention is further configured as follows: the longitudinal pressing device comprises a first longitudinal pressing arm and a second longitudinal pressing arm which are respectively positioned above the two steering knuckles, and the upper ends of the first longitudinal pressing arm and the second longitudinal pressing arm are connected with the pressing driving device.
By adopting the technical scheme, the compression driving device drives the longitudinal pressure arm I and the longitudinal pressure arm II to move downwards so as to realize longitudinal compression of two ears of the steering knuckle, and the stability of the two ears of the steering knuckle is better in the drilling process, so that the accuracy of the drilling of the ears of the steering knuckle is further improved.
The invention is further provided with: the pressing driving device comprises a pressing cylinder and a pressing plate, the pressing cylinder is fixed on the cylinder support, the pressing plate is connected with a telescopic shaft of the pressing cylinder, and a wedge-shaped driving block in the transverse supporting device and a longitudinal pressing arm I and a longitudinal pressing arm II in the longitudinal pressing device are both connected with the pressing plate.
Through adopting above-mentioned technical scheme, thereby compress tightly or loosen of knuckle that the pressure cylinder is used for driving the clamp plate up-and-down motion realization, thereby the synchronous up-and-down motion of wedge drive block, vertical pressure arm one and vertical pressure arm two that drive rather than being connected simultaneously during the clamp plate up-and-down motion to realize that the knuckle ear is fixed or loosen, effectively guaranteed the machining precision of knuckle, and simple structure, convenient operation.
The invention is further provided with: the upper portion of the wedge-shaped driving block is provided with a first driving rod, the lower end of the first driving rod is hinged to the wedge-shaped driving block, the upper end of the first driving rod is rotatably connected with a first supporting arm and a second supporting arm through pin shafts, the middle portions of the second driving rod and the third driving rod are respectively hinged to a first supporting arm and a second supporting arm which are fixed to the bottom of the pressing plate, and the waist-shaped long holes of the other ends of the second driving rod and the third driving rod are respectively rotatably connected with a first longitudinal pressing arm and a second longitudinal pressing arm through pin shafts.
By adopting the technical scheme, when the pressing plate moves downwards, the first driving rod, the first longitudinal pressing arm and the second longitudinal pressing arm which are connected with the two ends of the pressing plate are driven to synchronously move downwards by the first supporting arm and the second supporting arm, when the bottom ends of the first longitudinal pressing arm and the second longitudinal pressing arm are contacted with the upper ends of the two ears of the steering knuckle, along with the continuous downward movement of the pressing plate, one ends of the second driving rod and the third driving rod which are connected with the first driving rod start to rotate downwards around the points where the first driving rod and the second longitudinal pressing arm are connected with the first longitudinal pressing arm and the second longitudinal pressing arm, so that the first driving rod and the third driving rod are driven to move downwards and drive the wedge-shaped driving block to move downwards, the wedge-shaped driving block drives the first wedge-shaped block and the wedge-shaped block to downwards press the ears of the steering knuckle after pressing the steering knuckle disk part downwards, and simultaneously, the lower ends of the first longitudinal pressing arm and the second longitudinal pressing arm are gradually pressed at the upper ends of the two ears of the steering knuckle, so that the steering knuckle and the steering wheel part can simultaneously realize the longitudinal pressing and the transverse supporting of the ears, the steering knuckle has better stability in the processing process, not only effectively improves the processing precision of the steering knuckle, but also greatly improves the positioning efficiency of the steering knuckle, has high automation degree and simple operation process, controls the pressing cylinder to drive the pressing plate to move upwards after the ear part of the steering knuckle is drilled, thereby driving the longitudinal pressing arm I, the longitudinal pressing arm II and the wedge-shaped driving block to move upwards, the longitudinal pressing arm I and the longitudinal pressing arm II are separated from the ear part of the steering knuckle when moving upwards, the pressure of the compression spring I and the compression spring II is gradually reduced when the wedge-shaped driving block moves upwards, thereby the wedge-shaped block I and the wedge-shaped block II are gradually separated from the inner side surface of the ear part of the steering knuckle and move upwards to be separated from the position between the two ear parts of the steering knuckle along with the wedge-shaped driving block, at the moment, the processed steering knuckle is taken down and then is put into a new steering knuckle to be processed, the process is repeated to realize continuous production and processing, the labor intensity of workers is low, the operation is simple, and the efficiency is high.
The invention is further provided with: the upper ends of the first longitudinal pressing arm and the second longitudinal pressing arm are respectively in longitudinal sliding fit with the first guide sleeve and the second guide sleeve which are fixed at the bottom of the pressing plate, a third compression spring and a fourth compression spring are further arranged in the first guide sleeve and the second guide sleeve respectively, one ends of the third compression spring and the fourth compression spring are respectively fixed at the tops of the first longitudinal pressing arm and the second longitudinal pressing arm, and the other ends of the third compression spring and the fourth compression spring are respectively fixed at the tops of the first guide sleeve and the second guide sleeve.
By adopting the technical scheme, the third compression spring and the fourth compression spring accumulate spring force when the pressing plate moves downwards, the first longitudinal pressing arm and the second longitudinal pressing arm are further compressed by the spring force, the condition that the force of the bottoms of the first longitudinal pressing arm and the second longitudinal pressing arm on the lug part of the steering knuckle is gradually increased is ensured, the impact force between the first longitudinal pressing arm and the second longitudinal pressing arm and the lug part of the steering knuckle can be effectively reduced, the appearance quality of the steering knuckle is effectively improved, the service lives of the first longitudinal pressing arm and the second longitudinal pressing arm are effectively prolonged, the first guide sleeve and the second guide sleeve can limit the first longitudinal pressing arm and the second longitudinal pressing arm, the first longitudinal pressing arm and the second longitudinal pressing arm can only slide up and down along the first guide sleeve and the second guide sleeve, the condition that the lug part of the steering knuckle cannot be compressed or the compression effect is poor due to the fact that the first longitudinal pressing arm and the second longitudinal pressing arm are deflected is avoided, and the reliability of the device is greatly improved.
The invention is further configured as follows: and through holes penetrating through the wedge blocks are formed in the side surfaces of the first wedge block and the second wedge block, and the diameter of each through hole is larger than the aperture of a hole to be drilled in two lug parts of the steering knuckle.
Through adopting above-mentioned technical scheme, the setting up of through-hole makes the rotary drill bit after the drilling can run through completely, avoids the rotary drill bit to run through the back and causes the problem of damage to wedge one and wedge two, and the diameter of through-hole is greater than the aperture of treating drilling on two ears of knuckle, can effectively reduce through-hole size required precision and simultaneously can also guarantee that rotary drill bit can not take place to interfere with the inner wall side of through-hole and damage the condition of frock, has further improved the reliability of device.
The invention is further provided with: and the included angle between the plane where the bottom surfaces of the first wedge block and the second wedge block are located and the horizontal plane is equal to the included angle between the steering knuckle disc part and the axis of the to-be-drilled hole of the two lug parts of the steering knuckle.
Through adopting above-mentioned technical scheme, the contained angle between the plane and the horizontal plane that the bottom surface of wedge first and wedge second is located equals with the contained angle between the axis that the drilling was treated to knuckle dish portion and knuckle two ears for wedge first and wedge second are parallel and paste tightly with the ear medial surface of knuckle when downwards motion to its bottom and knuckle dish portion contact with the side that the knuckle ear is relative with wedge second and wedge, thereby guarantee that wedge first and wedge are to the transverse support effect of knuckle ear better.
The invention has the beneficial effects that:
1. according to the invention, the rotary drill bit in the horizontal drilling device transversely feeds from two sides of the steering knuckle and rotates at a high speed when the numerical control sliding table transversely slides, so that two lugs of the steering knuckle are simultaneously drilled, the hole machining efficiency is effectively improved, the positioning device axially and circumferentially positions the rod part of the steering knuckle through the positioning body, so that positions to be machined of the two lugs of the steering knuckle are matched with a drilling path of the rotary drill bit, the hole machining precision is effectively ensured, the two lugs of the steering knuckle are longitudinally pressed and transversely supported by the pressing device during drilling, the lug stability of the steering knuckle in the drilling machining process is effectively ensured, and the machining precision of the lug hole of the steering knuckle is further improved.
2. When the steering knuckle is positioned, the rod part of the steering knuckle is inserted into the positioning hole, the corresponding hole on the disc part of the steering knuckle is matched with the positioning pin on the positioning surface, and the disc part of the steering knuckle is tightly abutted against the positioning surface of the positioning body, so that the axial and circumferential positioning of the steering knuckle can be realized.
3. According to the invention, the wedge-shaped driving block moves downwards to drive the wedge-shaped block I and the wedge-shaped block I to move towards the direction of the inner side surfaces of the two lug parts of the steering knuckle respectively and to be abutted against the inner side surfaces of the two lug parts of the steering knuckle, so that the two lug parts of the steering knuckle are transversely supported, and the two lug parts of the steering knuckle are prevented from deforming under the action of transverse feeding pressure of the rotary drill bit, so that the drilling surfaces of the two lug parts of the steering knuckle are always kept in an original vertical state after the lug parts of the steering knuckle are drilled, the drilling precision of the lug parts of the steering knuckle is further improved, and the machined steering knuckle is more in line with the design requirements.
4. According to the invention, through the through holes which are arranged on the side surfaces of the wedge-shaped block I and the wedge-shaped block II, the rotary drill bit after drilling can completely penetrate, the problem that the rotary drill bit damages the wedge-shaped block I and the wedge-shaped block II after penetrating is avoided, the diameter of the through hole is larger than the hole diameter of the hole to be drilled on the two lug parts of the steering knuckle, the requirement on the size precision of the through hole can be effectively reduced, the rotary drill bit can be ensured not to interfere with the inner wall of the through hole to damage a tool, and the reliability of the device is further improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of a machine tool special for a steering knuckle of the invention.
Fig. 2 is a partially enlarged schematic view of a in fig. 1.
FIG. 3 is a schematic cross-sectional structure diagram of a T-shaped slide rail on a wedge block I and a wedge block II in a machine tool special for a steering knuckle, which are respectively matched with a T-shaped slide groove on a wedge-shaped driving block.
In the figure, 1, a machine tool body; 2. a horizontal drilling device; 3. a knuckle; 4. an ear portion; 5. rotating the drill bit; 6. a numerical control sliding table; 7. a positioning device; 8. a positioning body; 9. a pressing device; 91. a lateral support device; 92. a longitudinal pressing device; 10. a compression drive device; 11. a disc portion; 12. positioning the surface; 13. a rod portion; 14. positioning holes; 15. a first wedge block; 16. a second wedge block; 17. a wedge-shaped driving block; 18. a T-shaped chute; 19. a T-shaped slide rail; 20. a first compression spring; 21. a second compression spring; 22. a first longitudinal pressing arm; 23. a second longitudinal pressing arm; 24. a pressing cylinder; 25. pressing a plate; 26. a cylinder support; 27. a first driving rod; 28. a second driving rod; 29. a third driving rod; 30. a first supporting arm; 31. a second supporting arm; 32. a first guide sleeve; 33. a second guide sleeve; 34. a third compression spring; 35. a fourth compression spring; 36. a through hole; 37. and positioning pins.
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 and 2, a lathe special for knuckle, including lathe body 1, both sides on the lathe body 1 all are equipped with horizontal drilling equipment 2, horizontal drilling equipment 2 is including being used for respectively carrying out the rotary drill 5 of spot facing work to two ears 4 of knuckle 3, rotary drill 5 passes through numerical control slip table 6 and installs the left and right sides at lathe body 1, is equipped with between two numerical control slip tables 6 to be used for carrying out the positioner 7 of clamping location to knuckle 3, positioner 7 is including being used for carrying out the location body 8 of fixing a position and being used for carrying out the closing device 9 that fixes to the knuckle 3 after the location, closing device 9 is including being used for carrying out horizontal strutting arrangement 91 that transversely supports and the vertical closing device 92 that vertically compresses tightly to knuckle 3 ear 4, horizontal strutting arrangement 91 and vertical closing device 92 are connected through compressing drive device 10.
Specifically, be equipped with the locating surface 12 that is used for going on fixing a position to the disk portion 11 of knuckle 3 on the locating body 8, be equipped with on the locating surface 12 with the pole portion 13 assorted locating hole 14 of knuckle 3 and with the knuckle 3 disk portion 11 on the locating pin 37 of hole assorted, contained angle between locating surface 12 and the horizontal plane is equal with the knuckle 3 disk portion 11 and the contained angle between the axis of two ears 4 of knuckle 3 waiting to drill.
Specifically, the lateral supporting device 91 includes: carry out the wedge 15 and the wedge two 16 that transversely support to two 4 medial surfaces of ear of knuckle 3 respectively, one side that one 15 and two 16 wedge are close to two ears 4 of knuckle 3 offsets with the medial surface of two ears 4 of knuckle 3 respectively, one side that two ears 4 of knuckle 3 were kept away from to wedge 15 and two 16 wedges is the wedge inclined plane, the wedge inclined plane of wedge 15 and two 16 wedges respectively with the wedge inclined plane sliding fit of wedge driving block 17 both sides, wedge driving block 17 is connected with compress tightly drive arrangement 10.
Specifically, as shown in fig. 2 and fig. 3, the wedge-shaped inclined planes at the two sides of the wedge-shaped driving block 17 are symmetrical to each other and extend from top to bottom along one side close to each other, the wedge-shaped inclined planes at the two sides of the wedge-shaped driving block 17 are respectively provided with a T-shaped sliding groove 18, the first wedge-shaped block 15 and the second wedge-shaped block 16 are respectively provided with a T-shaped sliding rail 19 in sliding fit with the T-shaped sliding groove 18, and the upper ends of the T-shaped sliding rails 19 of the first wedge-shaped block 15 and the second wedge-shaped block 16 are respectively connected with the upper ends of the T-shaped sliding grooves 18 on the wedge-shaped inclined planes at the two sides of the wedge-shaped driving block 17 through a first compression spring 20 and a second compression spring 21.
Specifically, the longitudinal pressing device 92 includes a first longitudinal pressing arm 22 and a second longitudinal pressing arm 23 which are respectively located above the two steering knuckles 3, and the upper ends of the first longitudinal pressing arm 22 and the second longitudinal pressing arm 23 are both connected with the pressing driving device 10.
Specifically, the pressing driving device 10 includes a pressing cylinder 24 and a pressing plate 25, the pressing cylinder 24 is fixed on a cylinder bracket 26, the pressing plate 25 is connected with an expansion shaft of the pressing cylinder 24, and the wedge-shaped driving block 17 in the transverse supporting device 91 and the longitudinal pressing arm one 22 and the longitudinal pressing arm two 23 in the longitudinal pressing device 92 are both connected with the pressing plate 25.
Furthermore, a first driving rod 27 is arranged above the wedge-shaped driving block 17, the lower end of the first driving rod 27 is hinged to the wedge-shaped driving block 17, the upper end of the first driving rod 27 is rotatably connected with the waist-shaped long hole at one end of the second driving rod 28 and the third driving rod 29 through a pin shaft, the middle parts of the second driving rod 28 and the third driving rod 29 are respectively hinged to a first supporting arm 30 and a second supporting arm 31 which are fixed to the bottom of the pressing plate 25, and the waist-shaped long holes at the other ends of the second driving rod 28 and the third driving rod 29 are respectively rotatably connected with a first longitudinal pressing arm 22 and a second longitudinal pressing arm 23 through a pin shaft.
Furthermore, the upper ends of the first longitudinal pressure arm 22 and the second longitudinal pressure arm 23 are respectively in longitudinal sliding fit with a first guide sleeve 32 and a second guide sleeve 33 fixed at the bottom of the pressure plate 25, a third compression spring 34 and a fourth compression spring 35 are further respectively arranged in the first guide sleeve 32 and the second guide sleeve 33, one ends of the third compression spring 34 and the fourth compression spring 35 are respectively fixed at the tops of the first longitudinal pressure arm 22 and the second longitudinal pressure arm 23, and the other ends of the third compression spring 34 and the second compression spring are respectively fixed at the tops of the first guide sleeve 32 and the second guide sleeve 33.
Further, through holes 36 penetrating through the wedge blocks are formed in the side faces of the first wedge block 15 and the second wedge block 16, and the diameter of each through hole 36 is larger than the aperture of a hole to be drilled in the two lug parts 4 of the steering knuckle 3.
Furthermore, the included angle between the plane where the bottom surfaces of the first wedge-shaped block 15 and the second wedge-shaped block 16 are located and the horizontal plane is equal to the included angle between the disc part 11 of the steering knuckle 3 and the axis of the hole to be drilled of the two lug parts 4 of the steering knuckle 3.
The working principle of the invention is as follows: firstly, positioning a steering knuckle 3 to be processed, during positioning, firstly inserting a rod part 13 of the steering knuckle 3 into a positioning hole, enabling a corresponding hole on a disc part 11 of the steering knuckle 3 to be matched with a positioning pin 37 on a positioning surface 12, and enabling the disc part 11 of the steering knuckle 3 to be tightly propped against the positioning surface 12 of a positioning body 8, so that axial and circumferential positioning of the steering knuckle 3 can be realized, then starting a pressing cylinder 24, driving a pressing plate 25 to move downwards when a telescopic shaft of the pressing cylinder 24 extends out, driving a driving rod 27, a longitudinal pressing arm I22 and a longitudinal pressing arm II 23 which are connected with two ends of the pressing plate to synchronously move downwards through a supporting arm I30 and a supporting arm II 31 when the pressing plate 25 moves downwards, and when the bottom ends of the longitudinal pressing arm I22 and the longitudinal pressing arm II 23 are connected with the upper ends of two lug parts 4 of the steering knuckle 3, continuing to move downwards along with the pressing plate 25, one end of the driving rod II 28 and the driving rod III 29 connected with the driving rod I27 starts to rotate downwards around the point where the driving rod I27 and the driving rod II 23 are connected, so that the driving rod I27 is driven to move downwards and the wedge-shaped driving block 17 is driven to move downwards, the wedge-shaped driving block 17 drives the wedge-shaped block I15 and the wedge-shaped block II 16 to downwards press the disc part 11 of the steering knuckle 3 and then gradually press the lug parts 4 of the steering knuckle 3 towards two sides, and simultaneously, the lower ends of the longitudinal pressing arm I22 and the longitudinal pressing arm II 23 are gradually pressed at the upper ends of the two lug parts 4 of the steering knuckle 3, so that the steering knuckle 3 can simultaneously realize the longitudinal pressing of the lug parts 4 and the disc part 11 of the steering knuckle 3 and the transverse supporting of the lug parts 4, the stability of the steering knuckle 3 in the machining process is better, the machining precision of the steering knuckle 3 is effectively improved, the positioning efficiency of the steering knuckle 3 is greatly improved, the automation degree is high, the operation process is simple, after the drilling machining of the lug parts 4 of the steering knuckle 3 is completed, the pressing air cylinder 24 is controlled to drive the pressing plate 25 to move upwards, so that the longitudinal pressing arm I22, the longitudinal pressing arm II 23 and the wedge-shaped driving block 17 are driven to move upwards, the longitudinal pressing arm I22 and the longitudinal pressing arm II 23 are separated from the lug parts 4 of the steering knuckle 3 when moving upwards, the pressure of the compression spring I20 and the compression spring II 21 on the wedge-shaped block I15 and the wedge-shaped block II 16 is gradually reduced when the wedge-shaped driving block 17 moves upwards, so that the wedge-shaped block I15 and the wedge-shaped block II 16 are gradually separated from the inner side surfaces of the lug parts 4 of the steering knuckle 3 and move upwards along with the wedge-shaped driving block 17 to be separated from the lug parts 4 of the steering knuckle 3, at the moment, the machined steering knuckle 3 is taken down and then placed into a new steering knuckle 3 to be machined, the processes are repeated, and continuous production and machining are achieved, and the manual labor intensity is low, the operation is simple and the efficiency is high.
Claims (10)
1. The utility model provides a lathe of knuckle is exclusively used in, includes lathe body (1), both sides on lathe body (1) all are equipped with horizontal drilling equipment (2), horizontal drilling equipment (2) are including being used for respectively carrying out spot facing work's rotary drill bit (5) to two ears (4) of knuckle (3), install the left and right sides in lathe body (1) through numerical control slip table (6) rotary drill bit (5), its characterized in that: be equipped with between two numerical control slip tables (6) and be used for carrying out positioner (7) of clamping location to knuckle (3), positioner (7) are including being used for carrying out the locating body (8) of fixing a position to knuckle (3) and being used for carrying out closing device (9) fixed to knuckle (3) after the location, closing device (9) are including being used for carrying out horizontal strutting arrangement (91) that transversely supports and vertical closing device (92) that vertically compress tightly knuckle (3) to knuckle (3) ear (4), horizontal strutting arrangement (91) and vertical closing device (92) are connected through compressing tightly drive arrangement (10).
2. A machine tool dedicated to a steering knuckle according to claim 1, characterized in that: be equipped with locating surface (12) that is used for going on fixing a position to dish portion (11) of knuckle (3) on the locating body (8), be equipped with on locating surface (12) with pole portion (13) assorted locating hole (14) of knuckle (3) and with knuckle (3) dish portion (11) on hole assorted locating pin (37), contained angle between locating surface (12) and the horizontal plane is equal with knuckle (3) dish portion (11) and knuckle (3) two ears (4) contained angle between the axis of treating the drilling.
3. A machine tool dedicated to a steering knuckle according to claim 1, characterized in that: the lateral support device (91) comprises: wedge (15) and wedge two (16) that transversely support are carried out two ear (4) medial surfaces of knuckle (3) respectively, one side that one (15) of wedge and two (16) are close to two ear (4) of knuckle (3) offsets with the medial surface of two ear (4) of knuckle (3) respectively, one side that two ear (4) of knuckle (3) were kept away from in wedge (15) and wedge two (16) is the wedge inclined plane, the wedge inclined plane of wedge (15) and wedge two (16) respectively with the wedge inclined plane sliding fit of wedge drive block (17) both sides, wedge drive block (17) are connected with compress tightly drive arrangement (10).
4. A machine tool dedicated to a steering knuckle according to claim 3, characterized in that: the wedge inclined plane of wedge driving block (17) both sides is symmetry each other and from top to bottom extends along one side that is close to each other, all be equipped with T type spout (18) on the wedge inclined plane of wedge driving block (17) both sides, be equipped with respectively on wedge (15) and the wedge two (16) with T type spout (18) sliding fit's T type slide rail (19), the upper end of T type spout (18) is connected through compression spring (20) and compression spring two (21) respectively on the wedge inclined plane of T type slide rail (19) upper end and wedge driving block (17) both sides of wedge (15) and wedge two (16).
5. A machine tool dedicated to a steering knuckle according to claim 1, characterized in that: the longitudinal pressing device (92) comprises a first longitudinal pressing arm (22) and a second longitudinal pressing arm (23) which are respectively positioned above the two steering knuckles (3), and the upper ends of the first longitudinal pressing arm (22) and the second longitudinal pressing arm (23) are connected with the pressing driving device (10).
6. A machine tool dedicated to a steering knuckle according to any one of claims 4 or 5, characterized in that: the pressing driving device (10) comprises a pressing cylinder (24) and a pressing plate (25), the pressing cylinder (24) is fixed on a cylinder support (26), the pressing plate (25) is connected with an expansion shaft of the pressing cylinder (24), and a wedge-shaped driving block (17) in the transverse supporting device (91) and a longitudinal pressing arm I (22) and a longitudinal pressing arm II (23) in the longitudinal pressing device (92) are connected with the pressing plate (25).
7. A machine tool dedicated to a steering knuckle according to claim 6, characterized in that: the top of wedge drive block (17) is equipped with actuating lever (27), the lower extreme of actuating lever (27) is articulated with wedge drive block (17), the upper end of actuating lever (27) rotates with the waist type slot hole through the round pin axle and the one end of actuating lever two (28) and actuating lever three (29) to be connected, the middle part of actuating lever two (28) and actuating lever three (29) is articulated with support arm one (30) and support arm two (31) of fixing in clamp plate (25) bottom respectively, the waist type slot hole of the other end of actuating lever two (28) and actuating lever three (29) rotates through round pin axle and vertical pressure arm one (22) and vertical pressure arm two (23) to be connected.
8. A machine tool dedicated to a steering knuckle according to claim 7, characterized in that: the upper ends of the first longitudinal pressure arm (22) and the second longitudinal pressure arm (23) are respectively in longitudinal sliding fit with a first guide sleeve (32) and a second guide sleeve (33) which are fixed at the bottom of the pressure plate (25), a third compression spring (34) and a fourth compression spring (35) are further arranged in the first guide sleeve (32) and the second guide sleeve (33) respectively, one ends of the third compression spring (34) and the fourth compression spring (35) are fixed at the tops of the first longitudinal pressure arm (22) and the second longitudinal pressure arm (23) respectively, and the other ends of the third compression spring (34) and the compression spring are fixed at the tops of the first guide sleeve (32) and the second guide sleeve (33) respectively.
9. A machine tool dedicated to a steering knuckle according to claim 3, characterized in that: all be equipped with through-hole (36) that run through on the side of wedge (15) and wedge (16), the diameter of through-hole (36) is greater than the aperture of treating drilling on two ears (4) of knuckle (3).
10. A machine tool dedicated to a steering knuckle according to claim 3, characterized in that: the included angle between the plane where the bottom surfaces of the first wedge-shaped block (15) and the second wedge-shaped block (16) are located and the horizontal plane is equal to the included angle between the disc part (11) of the steering knuckle (3) and the axis of the hole to be drilled of the two lug parts (4) of the steering knuckle (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211212386.3A CN115570175B (en) | 2022-09-29 | 2022-09-29 | Machine tool special for steering knuckle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211212386.3A CN115570175B (en) | 2022-09-29 | 2022-09-29 | Machine tool special for steering knuckle |
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| Publication Number | Publication Date |
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| CN115570175A true CN115570175A (en) | 2023-01-06 |
| CN115570175B CN115570175B (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211212386.3A Active CN115570175B (en) | 2022-09-29 | 2022-09-29 | Machine tool special for steering knuckle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116871562A (en) * | 2023-09-07 | 2023-10-13 | 河南祥瑞汽车部件有限公司 | High-precision middle hole positioning device for steering knuckle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070050962A1 (en) * | 2005-08-23 | 2007-03-08 | Ebert James L | Steering knuckle boring apparatus and method |
| CN202461575U (en) * | 2011-10-31 | 2012-10-03 | 吴朱刚 | Novel chuck |
| CN204486865U (en) * | 2014-12-30 | 2015-07-22 | 湖北三环锻造有限公司 | Knuckle bores cross bore fixture |
| CN205008622U (en) * | 2015-09-21 | 2016-02-03 | 重庆祥顺机械配件制造有限公司 | AD knuckle taper hole car anchor clamps |
| CN206550694U (en) * | 2016-12-31 | 2017-10-13 | 苏州博众精工科技有限公司 | A kind of inner edge clamp system |
| CN113211144A (en) * | 2021-05-06 | 2021-08-06 | 湖北三环锻造有限公司 | Drilling fixture for main pin hole of steering knuckle with arm |
| CN216096533U (en) * | 2021-11-15 | 2022-03-22 | 安阳三一机械有限公司 | Double-end drilling equipment for truck steering knuckle |
-
2022
- 2022-09-29 CN CN202211212386.3A patent/CN115570175B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070050962A1 (en) * | 2005-08-23 | 2007-03-08 | Ebert James L | Steering knuckle boring apparatus and method |
| CN202461575U (en) * | 2011-10-31 | 2012-10-03 | 吴朱刚 | Novel chuck |
| CN204486865U (en) * | 2014-12-30 | 2015-07-22 | 湖北三环锻造有限公司 | Knuckle bores cross bore fixture |
| CN205008622U (en) * | 2015-09-21 | 2016-02-03 | 重庆祥顺机械配件制造有限公司 | AD knuckle taper hole car anchor clamps |
| CN206550694U (en) * | 2016-12-31 | 2017-10-13 | 苏州博众精工科技有限公司 | A kind of inner edge clamp system |
| CN113211144A (en) * | 2021-05-06 | 2021-08-06 | 湖北三环锻造有限公司 | Drilling fixture for main pin hole of steering knuckle with arm |
| CN216096533U (en) * | 2021-11-15 | 2022-03-22 | 安阳三一机械有限公司 | Double-end drilling equipment for truck steering knuckle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116871562A (en) * | 2023-09-07 | 2023-10-13 | 河南祥瑞汽车部件有限公司 | High-precision middle hole positioning device for steering knuckle |
| CN116871562B (en) * | 2023-09-07 | 2023-11-21 | 河南祥瑞汽车部件有限公司 | High-precision middle hole positioning device for steering knuckle |
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| Publication number | Publication date |
|---|---|
| CN115570175B (en) | 2023-07-25 |
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