Clamping tool for steering knuckle machining

Abstract

The utility model is suitable for the technical field of knuckle machining, and provides a clamping tool for knuckle machining, which comprises a machining table. A fixing groove is formed in the inner side of the machining table and located in the center of the machining table. Four fixing cylinders are fixedly mounted at the top of the machining table and are located on the peripheries of the fixing grooves correspondingly; a movable rod is slidably mounted on the inner side of each fixed cylinder, and the four movable rods extend out of one ends of the inner sides of the four fixed cylinders correspondingly; a supporting cylinder is fixedly mounted at the bottom of the machining table and located below the fixing groove, and a conical cylinder is slidably mounted on the inner side of the supporting cylinder. According to the clamping tool for machining the steering knuckle, the steering knuckle can be automatically positioned during clamping, the limiting rod and the conical barrel are automatically reset during taking, chippings left on the steering knuckle during machining can be blown away, and meanwhile a milling cutter and the steering knuckle during machining can be cooled.

Description

TECHNICAL FIELD

[0001] The utility model belongs to steering knuckle processing technical field especially, it relates to a clamping tool for steering knuckle machining. BACKGROUND

[0002] Steering knuckle, also known as "goat horn", is one of important parts in automobile steering axle, steering knuckle is complex in shape, and it concentrates the structural characteristics of four kinds of parts of axle neck, sleeve, disc ring and fork, mainly composed of bearing axle neck, flange and fork, its structure is generally fork-shaped, and the two forks have two coaxial holes for installing kingpin, the axle neck of steering knuckle is used for installing wheels, and the steering knuckle needs to be clamped and fixed during processing, and the clamping tool for steering knuckle machining needs to be used.

[0003] Chinese patent discloses a kind of tooling for clamping and processing steering knuckle plane, and the publication number is CN211661603U, wherein "including base, support fixed on the upper side of base, bearing plate fixed in the upper part of support and opening in the middle part of bearing plate;Bearing plate middle part is provided with clamping mechanism, and the upper end surface of bearing plate is provided with adjusting mechanism on both sides, clamping mechanism includes hydraulic cylinder, the upper end of piston rod of hydraulic cylinder is fixedly connected with main wedge block, main wedge block both sides are first wedge block and second wedge block, first wedge block and second wedge block are located on the bearing plate on both sides of opening, first wedge block bottom end is fixedly connected with first dovetail block, first dovetail block is slidably connected in first dovetail groove, second wedge block bottom end is fixedly connected with second dovetail block, second dovetail block is slidably connected in second dovetail groove, first dovetail groove and second dovetail groove are symmetrically arranged in bearing plate both sides" are proposed.

[0004] But the above-mentioned scheme is not convenient for automatic positioning of steering knuckle, steering knuckle is prone to skew during clamping, which affects processing effect, and it is not convenient to blow away debris during machining, and it is not convenient to cool and cool milling cutter and steering knuckle. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of clamping tool for steering knuckle machining, to solve the problem that some clamping tool currently used is not convenient for automatic positioning.

[0006] The utility model discloses a kind of clamping toolings for machining knuckle, including processing table;The inside of the processing table is provided with fixed groove, the fixed groove is located the center position of processing table;The top of the processing table is fixedly installed with four fixed cylinders, four The fixed cylinder is located the periphery of fixed groove respectively;The inside of each fixed cylinder is slidably installed with movable rod, four The movable rod extends out the inside one end of four fixed cylinders respectively;The bottom of the processing table is fixedly installed with support cylinder, the support cylinder is below fixed groove, the inside of the support cylinder is slidably installed with conical cylinder;The bottom of the processing table is slidably installed with four limit rods, four The limit rod is located the periphery of fixed groove, the inside of four The limit rod is extended to the inside of support cylinder;The bottom between each limit rod and conical cylinder is movably connected by a connecting rod, the outside one end of each limit rod is fixedly connected with tension spring;The top of the processing table is movably connected with fixed plate by support frame, the fixed plate is above fixed groove;The bottom of the fixed plate is rotatably installed with drive rod, the bottom of the drive rod is fixedly connected with milling cutter;The bottom of the fixed plate is fixedly installed with two fixed covers, two The fixed cover is located the two sides of drive rod;The bottom of the fixed plate is rotatably installed with two first rotary rods, two The first rotary rod is located the inside of two fixed covers, the bottom of two The first rotary rod is movably connected with second rotary rod, the bottom of two The second rotary rod is inwards inclined shape;The outside of two The second rotary rod is fixedly installed with fan blade;The outside of the drive rod is fixedly installed with driving gear, the outside of two The first rotary rod is fixedly connected with driven gear, two The driven gear is meshed with the two sides of driving gear respectively.

[0007] Preferably, the bottom of the processing table is fixedly installed with four support legs, four The support leg is located the periphery of support cylinder.

[0008] Preferably, the axis of the drive rod extends out the fixed plate and is fixedly connected with the output end of motor, and the motor is fixedly installed on the top of the fixed plate through the mounting piece.

[0009] Preferably, the bottom of the processing table is fixedly installed with four support plates, four The support plate is located the outside of four tension springs and is fixedly connected with one end of four tension springs.

[0010] Preferably, the inside of each fixed cylinder is fixedly installed with a telescopic rod, the output end of each telescopic rod is fixedly connected with one end of a movable rod, and the inside of four The movable rod is fixedly installed with clamping block.

[0011] Preferably, the outside of the support cylinder is provided with four sliding grooves, four The connecting rod is movably connected with conical cylinder through the inside of four sliding grooves, and the conical cylinder is slidably connected with support cylinder.

[0012] Preferably, the bottom of the processing table is fixedly provided with four sliding frames, and the four limiting rods are slidingly arranged with the four sliding frames respectively.

[0013] Preferably, the bottom of the driving rod is fixedly provided with a fixed seat, and each milling cutter is fixedly connected to the bottom of the fixed seat.

[0014] Preferably, each of the first rotating rods and the second rotating rods is movably connected through a universal joint, and the bottom of each fixed cover is provided with a plurality of movable grooves.

[0015] Preferably, the inner side of each fixed cover is fixedly provided with two supporting rods, and each of the first rotating rods and the second rotating rods is rotatably connected to one end of a supporting rod.

[0016] Compared with the related art, the clamping tool for machining knuckle has the following advantages.

[0017] Beneficial effects:

[0018] 1. By inserting the shaft journal of the knuckle into the fixed groove, inserting one end of the shaft journal into the conical cylinder, and using the conical angle in the conical cylinder, the one end of the shaft journal of the knuckle can be positioned in the middle position. By moving the conical cylinder downward driven by the knuckle, the one end of the four connecting rods is moved downward synchronously, the other end of the connecting rod drives the four limiting rods to move inward synchronously, the shaft journal of the knuckle can be clamped and limited in the middle position. The knuckle can be automatically positioned during clamping. By driving the four movable rods to extend out of the four fixed cylinders, the four clamping blocks can be moved inward to clamp and fix the knuckle. By driving the four clamping blocks to separate and then picking up the knuckle upward, the four limiting rods can be moved outward synchronously by the pulling force of the tension spring. The limiting rods and the conical cylinder are reset when the knuckle is picked up. The knuckle is automatically positioned during clamping, and the limiting rods and the conical cylinder are automatically reset when the knuckle is picked up.

[0019] 2. The milling cutter can be quickly rotated by the driving rod, and the fixed plate can be moved in three dimensions by the supporting frame. The knuckle can be machined. The driving rod is synchronously rotated when rotating, and the two first rotating rods are quickly rotated by the meshing of the two driven gears and the driving gear. The two second rotating rods are synchronously quickly rotated by the universal joint transmission. The fan blades are quickly rotated by the second rotating rods, and the airflow is blown downward. The debris remaining on the knuckle during machining can be blown away. The milling cutter and the knuckle during machining can be cooled and cooled at the same time. The fan blades can be protected by the fixed cover to avoid the situation that the personnel are injured by accidentally touching the fan blades. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1It is the front appearance structure schematic view of the utility model;

[0021] Figure 2 It is the processing table cut structure schematic view of the utility model;

[0022] Figure 3 It is the support cylinder cut structure schematic view of the utility model;

[0023] Figure 4 It is the fixed plate cut structure schematic view of the utility model;

[0024] Figure 5 It is the fixed cover cut structure schematic view of the utility model.

[0025] In the drawing: 1, processing table; 2, support leg; 3, fixed groove; 4, fixed cylinder; 5, support cylinder; 6, support frame; 7, fixed plate; 8, motor; 9, conical cylinder; 10, limit rod; 11, connecting rod; 12, support plate; 13, tension spring; 14, movable rod; 15, clamping block; 16, telescopic rod; 17, sliding groove; 18, sliding frame; 19, fixed seat; 20, milling cutter; 21, fixed cover; 22, first rotating rod; 23, second rotating rod; 24, fan blade; 25, universal coupling; 26, support rod; 27, movable groove; 28, driving rod; 29, driving gear; 30, driven gear. DETAILED DESCRIPTION

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application; the present application will be described with reference to the drawings in which is shown by way of illustration the application in accordance with embodiments described herein in which:

[0027] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "in an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily all directed to the same embodiment, or to a single alternative embodiment. It is explicitly contemplated that embodiments described herein can be combined with each other.

[0028] Embodiment 1

[0029] The preferred embodiment of the clamping tool for machining knuckle provided by the utility model like Figures 1 to 5The utility model discloses a knuckle machining clamping tool, including the processing platform 1, the inside of processing platform 1 is seted up fixed groove 3, and fixed groove 3 is located the center position of processing platform 1, the top of processing platform 1 is fixedly installed four fixed cylinders 4, and four fixed cylinders 4 are located the periphery of fixed groove 3 respectively, the inside of each fixed cylinder 4 is slidably installed movable rod 14, and four movable rods 14 respectively extend one end inside four fixed cylinders 4, the bottom of processing platform 1 is fixedly installed support cylinder 5, and support cylinder 5 is located below fixed groove 3, and the inside of support cylinder 5 is slidably installed conical cylinder 9, the bottom of processing platform 1 is slidably installed four limit rods 10, and four limit rods 10 are located the periphery of fixed groove 3, and the inside of four limit rods 10 is extended to the inside of support cylinder 5, and the bottom of each limit rod 10 and conical cylinder 9 are movably connected through a connecting rod 11, and the outside one end of each limit rod 10 is fixedly connected with tension spring 13, the top of processing platform 1 is movably connected with fixed plate 7 through support frame 6, and fixed plate 7 is located above fixed groove 3, the bottom of fixed plate 7 is rotatably installed drive rod 28, and the bottom of drive rod 28 is fixedly connected with milling cutter 20, the bottom of fixed plate 7 is fixedly installed two fixed covers 21, and two fixed covers 21 are located the two sides of drive rod 28, the bottom of fixed plate 7 is rotatably installed two first rotary rods 22, and two first rotary rods 22 are located the inside of two fixed covers 21 respectively, and the bottom of two first rotary rods 22 is movably connected with second rotary rod 23, and the bottom of two second rotary rods 23 is inclined inwards, and the outside of two second rotary rods 23 is fixedly installed fan blade 24, the outside of drive rod 28 is fixedly installed drive gear 29, and the outside of two first rotary rods 22 is fixedly connected with driven gear 30, and two driven gears 30 are engaged with the two sides of drive gear 29 respectively.

[0030] It needs to explain, some knuckle machining clamping tool still has certain insufficient place in actual use process, is not convenient for the automatic positioning of knuckle when clamping fixed.

[0031] In the embodiment, the axle journal of the knuckle is first inserted into the fixed groove 3, one end of the axle journal is inserted into the conical cylinder 9, the conical angle in the conical cylinder 9 can position one end of the axle journal of the knuckle in the middle position, the conical cylinder 9 is driven downward by the knuckle, one end of the four connecting rods 11 is simultaneously driven to move downward, the other end of the connecting rod 11 simultaneously drives the four limiting rods 10 to move inward, the axle journal of the knuckle is clamped and limited in the middle position, the knuckle is automatically positioned during clamping, the four movable rods 14 are driven to extend out of the four fixed cylinders 4, the knuckle is clamped and fixed, the milling cutter 20 is quickly rotated by the driving rod 28, the fixed plate 7 is driven to move in three dimensions by the support frame 6, the milling cutter 20 is simultaneously driven to move in three dimensions, the knuckle is machined, the driving rod 28 simultaneously drives the driving gear 29 to rotate during rotation, the two driven gears 30 are engaged with the driving gear 29, the two first rotating rods 22 are quickly rotated, the two second rotating rods 23 are simultaneously quickly rotated, the fan blades 24 are quickly rotated by the second rotating rods 23, air flow is blown downward, the chips remaining on the knuckle during machining are blown away, the milling cutter 20 and the knuckle during machining are simultaneously cooled, the fan blades 24 are protected by the fixed cover 21, the fan blades 24 are prevented from being touched by mistake to cause injury, the four movable rods 14 are driven to separate, the knuckle is then lifted upward, the four limiting rods 10 are simultaneously moved outward by the pulling force of the tension springs 13, the limiting rods 10 and the conical cylinder 9 are reset when the knuckle is lifted upward, the limiting rods 10 and the conical cylinder 9 are automatically reset during clamping and lifting.

[0032] In the further preferred embodiment of the utility model, four supporting legs 2 are fixedly installed at the bottom of the processing table 1, and the four supporting legs 2 are located at the periphery of the supporting cylinder 5.

[0033] In the embodiment, the processing table 1 can be supported by the supporting legs 2.

[0034] In the further preferred embodiment of the utility model, the axis of the driving rod 28 extends out of the fixed plate 7 and is fixedly connected with the output end of the motor 8, and the motor 8 is fixedly installed at the top of the fixed plate 7 through a mounting piece.

[0035] In the embodiment, the motor can drive the driving rod 28 to rotate.

[0036] In the further preferred embodiment of the utility model, four supporting plates 12 are fixedly installed at the bottom of the processing table 1, and the four supporting plates 12 are respectively located at the outer sides of the four tension springs 13 and are fixedly connected with one ends of the four tension springs 13.

[0037] In the embodiment, one end of the tension spring 13 can be supported and fixed by the support plate 12, so that the tension spring 13 can pull the limiting rod 10 to slide outward.

[0038] Embodiment 2

[0039] On the basis of the embodiment 1, the better embodiment of the clamping tool for machining steering knuckle provided by the utility model like Figures 1 to 5 As shown: the inner side of each fixed cylinder 4 is fixedly installed with one telescopic rod 16, the output end of each telescopic rod 16 is fixedly connected with one end of one movable rod 14, the inner side of four movable rods 14 is fixedly installed with clamping blocks 15.

[0040] In the embodiment, the movable rod 14 can be driven by the telescopic rod 16 to extend or retract along the fixed cylinder 4, and the clamping block 15 is synchronously driven to move to close or separate, so that the steering knuckle can be clamped and fixed.

[0041] In the further better embodiment of the utility model, the outer side of the support cylinder 5 is provided with four sliding grooves 17, four connecting rods 11 are movably connected with the conical cylinder 9 through the inner sides of the four sliding grooves 17, and the conical cylinder 9 is slidably connected with the support cylinder 5.

[0042] In the embodiment, the conical cylinder 9 can drive one end of the connecting rod 11 to move up and down through the sliding groove 17.

[0043] In the further better embodiment of the utility model, the bottom of the machining table 1 is fixedly installed with four sliding frames 18, and four limiting rods 10 are slidably installed with the four sliding frames 18.

[0044] In the embodiment, the limiting rod 10 can be stably slid through the sliding frame 18.

[0045] In the further better embodiment of the utility model, the bottom of the driving rod 28 is fixedly installed with a fixed seat 19, and each milling cutter 20 is fixedly connected to the bottom of the fixed seat 19.

[0046] In the embodiment, the milling cutter 20 can be conveniently installed and fixed through the fixed seat 19, and the milling cutter 20 can be conveniently disassembled and replaced.

[0047] In the further better embodiment of the utility model, each second rotating rod 23 is movably connected with one first rotating rod 22 through one universal joint 25, and the bottom of each fixed cover 21 is provided with a plurality of movable grooves 27.

[0048] In the embodiment, the universal joint 25 can conveniently drive the second rotating rod 23 to rotate by the first rotating rod 22, the movable slot 27 can conveniently blow the air downward by the fan blade 24, and the fixed cover 21 can conveniently protect the fan blade 24, so that the fan blade 24 is prevented from being damaged by the splashing of the knuckle processing.

[0049] In the further preferred embodiment of the utility model, two supporting rods 26 are fixedly installed on the inner side of each fixed cover 21, and the first rotating rod 22 and the second rotating rod 23 are respectively rotatably connected to one end of the supporting rod 26.

[0050] In the embodiment, the supporting rod 26 can support the first rotating rod 22 and the second rotating rod 23, and conveniently drive the first rotating rod 22 and the second rotating rod 23 to rotate, so that the first rotating rod 22 and the second rotating rod 23 are prevented from shaking during rotation.

[0051] In summary, the splashing of the knuckle can be blown away by the rotation of the fan blade 24, and the milling cutter 20 and the knuckle during processing can be cooled.

[0052] It should be noted that the circuit, electronic components and modules involved in the utility model are prior art, and a person skilled in the art can realize them without further description, and the content protected by the utility model does not involve the improvement of software and methods.

[0053] In several embodiments provided by the present application, it should be understood that the disclosed device can be implemented by other ways. For example, the device embodiments described above are only illustrative, for example, the division of the above units is only a logical function division, and actual implementation can have another division manner, for example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or communication connection between the displayed or discussed units can be indirect coupling or communication connection through some interfaces, devices or units, and can be electrical signal or other forms.

[0054] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit the protection scope of the present application. Obviously, the described examples are only some of the embodiments of the present application, not all the embodiments. Based on these examples, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application. Although the present application has been described in detail with reference to the above examples, those of ordinary skill in the art can still combine, add or delete the features in the embodiments of the present application according to the circumstances without creative labor, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence, and these technical solutions also fall within the scope of the present application.

Claims

1. A clamping fixture for machining a steering knuckle, characterized in that, Include: Processing platform (1); The inner side of the processing platform (1) is provided with a fixed groove (3), and the fixed groove (3) is located at the center position of the processing platform (1); The top of the processing platform (1) is fixedly provided with four fixed cylinders (4), and the four fixed cylinders (4) are respectively located at the periphery of the fixed groove (3); The inner side of each fixed cylinder (4) is slidably provided with a movable rod (14), and the four movable rods (14) respectively extend out from one end of the inner side of the four fixed cylinders (4); The bottom of the processing platform (1) is fixedly provided with a supporting cylinder (5), and the supporting cylinder (5) is located below the fixed groove (3), and the inner side of the supporting cylinder (5) is slidably provided with a conical cylinder (9); The bottom of the processing platform (1) is slidably provided with four limiting rods (10), and the four limiting rods (10) are located at the periphery of the fixed groove (3), and the inner sides of the four limiting rods (10) extend to the inner side of the supporting cylinder (5); Each limiting rod (10) is movably connected between the bottom of each limiting rod (10) and the conical cylinder (9), and each limiting rod (10) is fixedly connected with a tension spring (13) at one end of the outer side; The top of the processing platform (1) is movably connected with a fixed plate (7) through a support frame (6), and the fixed plate (7) is located above the fixed groove (3); The bottom of the fixed plate (7) is rotatably provided with a driving rod (28), and the bottom of the driving rod (28) is fixedly connected with a milling cutter (20); The bottom of the fixed plate (7) is fixedly provided with two fixed covers (21), and the two fixed covers (21) are located on both sides of the driving rod (28); The bottom of the fixed plate (7) is rotatably provided with two first rotating rods (22), and the two first rotating rods (22) are respectively located on the inner sides of the two fixed covers (21), and the bottoms of the two first rotating rods (22) are movably connected with a second rotating rod (23), and the bottom ends of the two second rotating rods (23) are inwardly inclined; The outer sides of the two second rotating rods (23) are fixedly provided with a fan blade (24); The outer side of the driving rod (28) is fixedly provided with a driving gear (29), and the outer sides of the two first rotating rods (22) are fixedly connected with a driven gear (30), and the two driven gears (30) are respectively meshed with both sides of the driving gear (29).

2. The machining jig for a knuckle as set forth in claim 1, characterized by The bottom of the processing platform (1) is fixedly provided with four supporting legs (2), and the four supporting legs (2) are located at the periphery of the supporting cylinder (5).

3. The machining jig for a knuckle as set forth in claim 1, characterized by The axis of the driving rod (28) extends out of the fixed plate (7) and is fixedly connected with the output end of the motor (8), and the motor (8) is fixedly installed on the top of the fixed plate (7) through a mounting piece.

4. The machining jig for a knuckle as set forth in claim 1, characterized by The bottom of the processing platform (1) is fixedly provided with four supporting plates (12), and the four supporting plates (12) are respectively located on the outer sides of the four tension springs (13) and are fixedly connected with one end of the four tension springs (13).

5. The knuckle machining clamp fixture according to claim 1, wherein The inner side of each fixing cylinder (4) is fixedly installed with an extension rod (16), and the output end of each extension rod (16) is fixedly connected with one end of a movable rod (14), and the inner side of each movable rod (14) is fixedly installed with a clamping block (15).

6. The machining jig for a knuckle as set forth in claim 5, characterized by The outer side of the supporting cylinder (5) is provided with four sliding grooves (17), and the four connecting rods (11) are movably connected with the conical cylinder (9) through the inner sides of the four sliding grooves (17), and the conical cylinder (9) is slidably connected with the supporting cylinder (5).

7. The knuckle machining fixture according to claim 1, wherein The bottom of the processing table (1) is fixedly installed with four sliding frames (18), and the four limiting rods (10) are slidably installed with the four sliding frames (18) respectively.

8. The machining jig for a knuckle as set forth in claim 1, characterized by The bottom of the driving rod (28) is fixedly installed with a fixed seat (19), and each milling cutter (20) is fixedly connected at the bottom of the fixed seat (19).

9. The machining jig for a knuckle according to Claim 8, wherein Each second rotating rod (23) and a first rotating rod (22) are movably connected through a universal joint (25), and the bottom of each fixed cover (21) is provided with a plurality of movable grooves (27).

10. The machining jig for a knuckle as set forth in claim 1, characterized by The inner side of each fixed cover (21) is fixedly installed with two supporting rods (26), and each first rotating rod (22) and second rotating rod (23) is rotatably connected with one end of a supporting rod (26).

Images