CN223000142U - A vehicle steering knuckle clamp mechanism - Google Patents

Abstract

The utility model relates to a vehicle steering knuckle clamping mechanism which comprises a left clamping arm and a right clamping arm which are oppositely arranged, wherein a left clamping table is fixedly arranged on the top surface of the left clamping arm, the top surface of the left clamping table is an inclined surface which rises from left to right, the right clamping arm is symmetrical with the left clamping arm, a first locking mechanism and a second locking mechanism are also arranged on a main frame, the first locking mechanism is symmetrical left and right with the second locking mechanism, the first locking mechanism comprises a first telescopic device, and a first locking block which is arranged at the extending end of the first telescopic device, and the bottom surface of the first locking block is matched with the top surface of the left clamping table. The left clamp arm and the right clamp arm are driven to move close to each other by the driving device, so that the transverse movement clamping of the steering knuckle is realized, the outward movement of the left clamping table is limited by the inclined bottom surface of the first locking block through the extension of the first telescopic device and the second telescopic device, and the outward movement of the right clamping table is limited by the inclined bottom surface of the second locking block, so that the reliable locking of the clamping steering knuckle is realized.

Description

Vehicle knuckle clamp mechanism

Technical Field

The utility model relates to the technical field of knuckle transfer equipment, in particular to a knuckle blank and finished product processing loading and unloading clamping mechanism, in particular to a vehicle knuckle clamping mechanism.

Background

The steering knuckle is an important part in an automobile steering axle, and the structure of the steering knuckle mainly comprises a main shaft and a fork-shaped structure arranged at one end of the main shaft, and the steering knuckle is mainly used for guaranteeing stable running and reliable steering of a vehicle, and an automatic machine tool is adopted to process a steering knuckle blank at present so as to obtain a steering knuckle finished product.

In the processing process of the steering knuckle, manual clamping is mostly adopted for feeding and discharging operations, and the feeding and the discharging operations are matched with hoisting equipment and a traditional clamp for hoisting and clamping and then are carried out on the equipment. The labor intensity of workers in the machining mode is high, the shapes of knuckle blanks and finished products are irregular, the centers of workpieces cannot be accurately determined, looseness is easy to occur after clamping, and therefore the workpieces and clamps need to be adjusted for many times during hoisting, feeding and discharging efficiency is low, and machining efficiency is improved.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides the clamping mechanism for the steering knuckle of the vehicle, which not only realizes clamping of the steering knuckle, but also performs anti-loosening setting on clamping of the steering knuckle, and ensures the clamping efficiency.

The utility model is realized by the following technical scheme, and provides a vehicle steering knuckle clamping mechanism which comprises a left clamping arm, a right clamping arm and a driving device, wherein the left clamping arm and the right clamping arm are oppositely arranged on a main frame, the driving device is used for driving the left clamping arm and the right clamping arm to move relatively, a left clamping table is fixedly arranged on the top surface of the left clamping arm, the top surface of the left clamping table is an inclined surface which rises from left to right, a right clamping table is fixedly arranged on the top surface of the right clamping arm, and the top surface of the right clamping table is an inclined surface which rises from right to left;

The main frame is also provided with a first locking mechanism corresponding to the left clamp arm and a second locking mechanism corresponding to the right clamp arm, the first locking mechanism comprises a first telescopic device arranged on the main frame and a first locking block arranged at the extending end of the first telescopic device, the first locking block is positioned above the left clamping table, the bottom surface of the first locking block is matched with the top surface of the left clamping table, the second locking mechanism comprises a second telescopic device arranged on the main frame and a second locking block arranged at the extending end of the second telescopic device, the second locking block is positioned above the right clamping table, and the bottom surface of the second locking block is matched with the top surface of the right clamping table.

When the steering knuckle clamping device is used, the left clamp arm and the right clamp arm are driven to move close to each other through the driving device, the outer side wall of the steering knuckle fork-shaped structure is clamped, then the bottom surface of the first locking block is pressed on the top surface of the left clamping table through the extension of the first telescopic device and the second telescopic device, the bottom surface of the second locking block is pressed on the top surface of the right clamping table, the left clamping table and the right clamping table are limited to move away from each other through the inclined bottom surfaces of the two locking blocks, locking is achieved, and accordingly the left clamp arm and the right clamp arm are prevented from moving outwards, and clamping of a steering knuckle is guaranteed.

As optimization, the draw-in groove that link up along left and right directions has been seted up in the first latch segment, and the top surface of first latch segment is equipped with the opening that link up to the draw-in groove downwards, and open-ended width is less than the width of draw-in groove, and the fixture block that extends to in the draw-in groove downwards through the opening is installed to the end that stretches out of first telescoping device, and fixture block lower extreme width is greater than the opening width. The first locking block of this optimization scheme is connected with a telescoping device through the fixture block, utilizes the step that the fixture block lower extreme formed to form the support to first locking block, and simple structure drives the reliability that first locking block reciprocated is high.

As optimization, the bottom surface of the clamping block is fixedly provided with a downward extending bulge, and the bottom of the clamping groove is provided with a counter bore matched with the bulge. According to the optimization scheme, through the arrangement of the bulges and the counter bores, relative displacement between the clamping block and the first locking block in the left-right direction is prevented, and the locking effect of the clamp arm is further guaranteed.

As optimization, the left clamp arm and the right clamp arm comprise a main arm extending along the left-right direction and a clamping jaw arm extending downwards from the main arm, a jaw is formed between the two clamping jaw arms, and a guide frame which is matched with the main arm and is in sliding connection is fixedly arranged on the main frame. The left clamp arm and the right clamp arm of the optimization scheme are simple in structure and small in manufacturing difficulty, the left clamp arm and the right clamp arm are respectively guided by the guide frames arranged on the main frame, the force application directions of the steering knuckle are guaranteed to be opposite, and the clamping effect is further guaranteed.

As optimization, the clamping jaw arms of the left clamp arm and the clamping jaw arms of the right clamp arm are respectively and detachably fixedly connected with an insert clamping jaw, and the insert clamping jaw of the left clamp arm and the insert clamping jaw of the right clamp arm are oppositely arranged along the left-right direction. The insert clamping jaw is detachably arranged in the optimization scheme, so that the insert clamping jaw is convenient to replace, and the clamping requirements on a steering knuckle finished product and a steering knuckle blank are met respectively.

As the optimization, drive arrangement is including installing the hydro-cylinder that just stretches out downwards on the main frame, the drive block is installed to the piston rod lower extreme of hydro-cylinder, be equipped with two slope guide slots that bilateral symmetry set up on the drive block, and two the upper end interval of slope guide slot is less than the lower extreme interval, be equipped with the inclined rail with the slope guide slot adaptation in left side on the left clamp arm, be equipped with the inclined rail with the slope guide slot adaptation in right side on the right clamp arm. According to the driving device of the optimization scheme, the oil cylinder is used for providing clamping power, when the oil cylinder drives the driving block to move downwards, the left clamp arm and the right clamp arm move close to each other under the action of horizontal component force of the inclined guide groove, and translational clamping is achieved.

As optimization, the driving block is trapezoidal, the front side and the rear side of the driving block are respectively and fixedly provided with a hanging plate, the opposite side surfaces of the two hanging plates are provided with hanging grooves which are communicated in the left-right direction, the lower end of a piston rod of the oil cylinder is fixedly provided with a hanging shaft which extends downwards to a position between the two hanging plates, and the hanging shaft is fixedly provided with a supporting table which is matched with the two hanging grooves. The driving block is arranged to be trapezoid, the side edges of the trapezoid are respectively parallel to the two inclined guide grooves, the weight of the driving block is reduced, the hanging groove is hung through the supporting table, and the reliability of driving the driving block to move along the vertical direction is guaranteed.

The steering knuckle clamping device has the beneficial effects that the left clamp arm and the right clamp arm are driven to move close to each other through the driving device, so that the transverse movement clamping of the steering knuckle fork structure is realized, the outward movement of the left clamping table is limited by the inclined bottom surface of the first locking block through the extension of the first telescopic device and the second telescopic device, and the outward movement of the right clamping table is limited by the inclined bottom surface of the second locking block, so that the reliable locking of the clamping knuckle is realized.

Drawings

FIG. 1 is a schematic view of the present utility model in use;

FIG. 2 is a perspective view I (with the rear side panel and left side guide frame of the main frame removed) of the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a schematic diagram of the connection between the first locking block and the locking block;

FIG. 5 is a schematic diagram of the left clamp arm, right clamp arm and drive block connections;

FIG. 6 is a perspective view II (with the main frame and the right side guide frame removed) of the present utility model;

FIG. 7 is an enlarged view of a portion of FIG. 6;

fig. 8 is a side view of the second lock block.

The figure shows:

1. The clamping device comprises a left clamp arm, 2, a main frame, 3, a first telescopic device, 4, an oil cylinder, 5, a second telescopic device, 6, a guide frame, 7, a spring, 8, a right clamp arm, 9, an insert clamping jaw, 10, a driving block, 11, a first locking block, 12, a left clamping table, 13, a clamping groove, 14, a hanging shaft, 15, a clamping block, 16, a hanging plate, 17, a guide rod, 18, a fixing plate, 19 and a right clamping table.

Detailed Description

Aiming at the problem that the overall shape of the steering knuckle of the commercial vehicle is irregular and the clamping is inconvenient, the embodiment provides a clamping mechanism for clamping the outer side face of a steering knuckle fork-shaped structure, and the scheme is explained through a specific implementation mode below for clearly explaining the technical characteristics of the scheme.

A vehicle knuckle clamp mechanism as shown in fig. 1, 2, 6 includes a main frame 2, left and right clamp arms 1, 8 provided opposite to each other in a lateral direction on the main frame 2, and a driving device that drives the left and right clamp arms to move relative to each other. The main frame comprises a top plate, a rear side plate, a bottom plate and a front side plate which are fixedly connected in sequence along the circumferential direction, so that a hollow frame structure is formed, and the weight is reduced.

The top surface of left clamp arm has set firmly left clamping table 12, and the top surface of left clamping table is the inclined plane that rises from left to right, the top surface of right clamp arm has set firmly right clamping table 19, and the top surface of right clamping table is the inclined plane that rises from right to left, and left clamping table and right clamping table bilateral symmetry set up.

The main frame is also provided with a first locking mechanism corresponding to the left clamp arm and a second locking mechanism corresponding to the right clamp arm, the first locking mechanism comprises a first telescopic device 3 arranged on the main frame and a first locking block 11 arranged at the extending end of the first telescopic device, the extending direction of the first telescopic device is perpendicular to the moving direction of the left clamp arm, the first locking block 11 is positioned above the left clamping table 12, and the bottom surface of the first locking block is matched with the top surface of the left clamping table. The second locking mechanism comprises a second telescopic device 5 arranged on the main frame and a second locking block arranged at the extending end of the second telescopic device, the extending direction of the second telescopic device is perpendicular to the moving direction of the right clamp arm, the second locking block is positioned above the right clamping table, and the bottom surface of the second locking block is matched with the top surface of the right clamping table. The first telescopic device 3 and the second telescopic device 5 both adopt air cylinders to ensure the rapid locking action.

The clamping groove 13 that link up along left and right directions has been seted up in the first latch segment, and the top surface of first latch segment is equipped with the opening that link up downwards to clamping groove 13, and the width of the fore-and-aft direction of opening is less than the width of the fore-and-aft direction of clamping groove, and open-ended lateral wall and the lateral wall of clamping groove form spacing platform, and the fixture block 15 that extends to the clamping groove in the opening downwards through the opening is installed to the end that stretches out of first telescoping device, and fixture block lower extreme width is greater than the opening width.

After the left clamp arm and the right clamp arm clamp the steering knuckle, the first telescopic device stretches downwards, the bottom surface of the first locking block falls on the top surface of the left clamping table, the downward thrust of the first telescopic device presses the first locking block through the clamping block, the first locking block is tightly attached to the left clamping table, the left clamp arm is prevented from moving outwards under the action of the inclined plane, and the left clamp arm is locked.

The second locking block is bilaterally symmetrical with the first locking block, a clamping block which downwards extends into the clamping groove through the opening of the second locking block is arranged at the extending end of the second telescopic device, and the locking principle of the right clamp arm is the same as that of the left clamp arm.

In order to prevent the relative displacement between the clamping block and the first and second locking blocks in the left-right direction, a downward extending protrusion is fixedly arranged on the bottom surface of the clamping block 15, and a counter bore matched with the protrusion is arranged at the bottom of the clamping groove.

The left clamp arm and the right clamp arm are bilaterally symmetrical, the left clamp arm and the right clamp arm both comprise a main arm extending along the left-right direction and clamping jaw arms extending downwards from the main arm, jaws are formed between the two clamping jaw arms, a guide frame 6 which is matched with the main arm and is in sliding connection with the main arm is fixedly arranged on the main frame, the section of the main arm is rectangular, a guide hole which is matched with the section of the main arm is formed in the guide frame, the guide hole extends along the left-right direction, and the main arm slides left and right along the guide hole. The guide frames are two, are bilaterally symmetrical, and provide guidance for the left clamp arm by the left guide frame and provide guidance for the right clamp arm by the right guide frame.

The two clamping jaw arms are respectively fixedly provided with a guide rod 17 extending towards the side where the clamped steering knuckle is located, the bottom surface of the main frame is fixedly provided with two fixing plates 18 which are respectively opposite to the two guide rods, the two fixing plates are distributed left and right, each fixing plate is provided with a through hole for the guide rod on the side to pass through, a spring 7 sleeved on the left guide rod is arranged between the left fixing plate and the left clamping jaw arm, and a spring sleeved on the right guide rod is arranged between the right fixing plate and the right clamping jaw arm. The clamping action is buffered to a certain extent by the elasticity of the springs, and when the two clamping jaw arms are released, the clamping action is faster.

In order to meet the requirements of clamping knuckle blanks and knuckle finished products respectively, insert clamping jaws 9 are detachably and fixedly connected to clamping jaw arms of a left clamp arm and clamping jaw arms of a right clamp arm respectively through bolts, and the insert clamping jaws of the left clamp arm and the insert clamping jaws of the right clamp arm are oppositely arranged in the left-right direction. When the steering knuckle is used, the insert clamping jaw clamps the outer side face of the steering knuckle fork-shaped structure. The insert clamping jaw adopts the prior art, and its structure mainly includes clamping jaw board and the blotter of setting at clamping jaw board orientation work piece side, prevents fish tail work piece clamping surface.

The driving device comprises an oil cylinder 4 which is arranged on the main frame and extends downwards, a driving block 10 is arranged at the lower end of a piston rod of the oil cylinder, two inclined guide grooves which are symmetrically arranged left and right are arranged on the driving block, the upper end interval of each inclined guide groove is smaller than the lower end interval, a diagonal rail which is matched with the inclined guide groove on the left side is arranged on the left clamp arm, and a diagonal rail which is matched with the inclined guide groove on the right side is arranged on the right clamp arm.

The drive block of this embodiment is trapezoidal, and the drive block middle part has been seted up and has subtracted heavy round hole, and trapezoidal two hypotenuses are parallel with two slope guide slots respectively, and the front and back side of drive block has set firmly respectively and has been hung fishplate bar 16, and the opposite side of two fishplate bars has been seted up along the link groove that link up of left and right directions, and the link groove on both sides sets up relatively, and the piston rod lower extreme of hydro-cylinder is equipped with the peg 14 that downwardly extending to between two fishplate bars, has set firmly the brace table with two link groove adaptations on the peg, and the link groove is located the top of drive block in the direction of height.

The whole clamp mechanism of this embodiment is bilateral symmetry about the axis of hydro-cylinder, when the hydro-cylinder stretches out, utilize the oblique guide way of driving piece to the horizontal component force of left clamp arm and right clamp arm, make left clamp arm and right clamp arm be close to the removal mutually, realize the clamp of knuckle and get, then two cylinders stretch out respectively, respectively exert pressure to first latch segment through the fixture block, the second latch segment, make first latch segment bottom surface and left clamping bench top surface paste tightly, second latch segment bottom surface and right clamping bench top surface paste tightly, utilize the effect of inclined plane, prevent left clamp arm and left clamp arm to keep away from the removal mutually, realize the locking to left clamp arm and right clamp arm, the tight effect of clamp to the knuckle has been guaranteed.

It should be understood that the foregoing embodiments and the accompanying drawings are only for illustrating the technical aspects of the present utility model, but not for limiting the present utility model, and that the present utility model is not limited to the preferred embodiments, and that the changes, modifications, additions or substitutions made by those skilled in the art within the spirit and scope of the present utility model will not depart from the spirit and scope of the present utility model as defined in the appended claims.

Claims (7)

1. The vehicle steering knuckle clamp mechanism comprises a left clamp arm (1) and a right clamp arm (8) which are oppositely arranged on a main frame (2), and a driving device for driving the left clamp arm and the right clamp arm to move relatively, and is characterized in that a left clamping table (12) is fixedly arranged on the top surface of the left clamp arm, the top surface of the left clamping table is an inclined surface which is lifted from left to right, a right clamping table (19) is fixedly arranged on the top surface of the right clamp arm, and the top surface of the right clamping table is an inclined surface which is lifted from right to left;

The main frame is also provided with a first locking mechanism corresponding to the left clamp arm and a second locking mechanism corresponding to the right clamp arm, the first locking mechanism comprises a first telescopic device (3) arranged on the main frame and a first locking block (11) arranged at the extending end of the first telescopic device, the first locking block (11) is positioned above the left clamping table (12) and the bottom surface of the first locking block is matched with the top surface of the left clamping table, the second locking mechanism comprises a second telescopic device (5) arranged on the main frame and a second locking block arranged at the extending end of the second telescopic device, the second locking block is positioned above the right clamping table and the bottom surface of the second locking block is matched with the top surface of the right clamping table.

2. The vehicle steering knuckle clamping mechanism according to claim 1, wherein the first locking block is internally provided with a clamping groove (13) penetrating in the left-right direction, the top surface of the first locking block is provided with an opening penetrating downwards to the clamping groove (13), the width of the opening is smaller than that of the clamping groove, the extending end of the first telescopic device is provided with a clamping block (15) extending downwards to the clamping groove through the opening, and the width of the lower end of the clamping block is larger than that of the opening.

3. The vehicle steering knuckle clamping mechanism according to claim 2, wherein a downward extending protrusion is fixedly arranged on the bottom surface of the clamping block (15), and a counter bore matched with the protrusion is arranged at the bottom of the clamping groove.

4. The knuckle clamp mechanism of claim 1, wherein the left clamp arm and the right clamp arm each comprise a main arm extending in a left-right direction and a clamping jaw arm extending downwards from the main arm, a jaw is formed between the two clamping jaw arms, and a guide frame (6) which is matched with and in sliding connection with the main arm is fixedly arranged on the main frame.

5. The knuckle clamp mechanism of claim 4, wherein the clamping jaw arms of the left clamp arm and the right clamp arm are detachably and fixedly connected with an insert clamping jaw (9) respectively, and the insert clamping jaw of the left clamp arm and the insert clamping jaw of the right clamp arm are oppositely arranged along the left-right direction.

6. The vehicle knuckle clamp mechanism according to claim 1, wherein the driving device comprises an oil cylinder (4) which is arranged on the main frame and extends downwards, a driving block (10) is arranged at the lower end of a piston rod of the oil cylinder, two inclined guide grooves which are symmetrically arranged left and right are arranged on the driving block, the upper end interval of the two inclined guide grooves is smaller than the lower end interval, a diagonal rail which is matched with the left inclined guide groove is arranged on the left clamp arm, and a diagonal rail which is matched with the right inclined guide groove is arranged on the right clamp arm.

7. The vehicle steering knuckle clamping mechanism of claim 6, wherein the driving block is trapezoid, the front side and the rear side of the driving block are respectively and fixedly provided with a hanging plate (16), opposite sides of the two hanging plates are provided with hanging grooves which are communicated in the left-right direction, the lower end of a piston rod of the oil cylinder is fixedly provided with a hanging shaft (14) which extends downwards to a position between the two hanging plates, and the hanging shaft is fixedly provided with a supporting table which is matched with the two hanging grooves.