CN220113114U - Front steering knuckle automatic clamping device - Google Patents

Abstract

The utility model provides an automatic front steering knuckle clamping device which comprises a supporting seat and automatic clamping mechanisms, wherein the supporting seat is arranged on a bedplate of a split charging line and used for clamping the bottom of a front steering knuckle assembly, the two automatic clamping mechanisms are symmetrically arranged on two sides of the split charging line, and clamping blocks are detachably connected to the end parts of the automatic clamping mechanisms and used for clamping a brake disc of the front steering knuckle assembly. The utility model can be compatible with front knuckle assemblies of different types and automatically clamp the brake disc of the front knuckle assembly, thereby preventing the front knuckle assembly from tilting.

Description

Front steering knuckle automatic clamping device

Technical Field

The utility model relates to the field of automobile manufacturing, in particular to an automatic clamping device for a front steering knuckle.

Background

The front steering knuckle is one of main parts on the steering axle of the automobile, can make the automobile stably run and sensitively transmit the running direction, and is required to bear the front load of the automobile, support and drive the front wheel to rotate around the kingpin so as to steer the automobile. In the running state of the automobile, it is subjected to various impact loads, and therefore, it is required to have high strength.

In automobile production processing, a front steering knuckle is generally assembled with a brake disc to be processed as a front steering knuckle assembly, but because different automobile types are processed in a collinear way, the axle joint has different shapes and is limited by tool motion tracks of different bolt fastening torques, multi-point fixation cannot be carried out, and a multi-automobile type sharing scheme for compressing and fixing a central point is not provided. The prior art adopts the mode that the side wall single point is fixed and multiple vehicle types share, is limited by the molding difference of the front steering knuckle of different models, and the hold-down mechanism can not be used universally, and the convenience of technician operation is guaranteed in the processing, and the hold-down force is not suitable too big, so that the hold-down is left, the effective hold-down is further caused, and the front steering knuckle assembly can take place the perk under the effect of rotation force.

The current domestic application scheme is as follows: aiming at different vehicle types, a special multipoint pressing mechanism is designed.

The disadvantage of this solution is: the front steering knuckle assembly is only applicable to a certain type of front steering knuckle assembly, and has poor universality; in the processing process, the front steering knuckle cannot be fully compressed, the front steering knuckle cannot be prevented from being tilted, and the compression effect is poor; special parts are needed, and space is occupied when the compaction tool for the vehicle type is not needed to be stored.

Disclosure of Invention

The utility model aims to overcome at least one defect in the prior art, and provides an automatic front steering knuckle clamping device which can be compatible with front steering knuckle assemblies of different types and prevent the front steering knuckle assemblies from tilting during processing.

In order to achieve the above purpose, the utility model provides an automatic front steering knuckle clamping device, which comprises a supporting seat and automatic clamping mechanisms, wherein the supporting seat is arranged on a bedplate of a split charging line and is used for clamping the bottom of a front steering knuckle assembly, two automatic clamping mechanisms are symmetrically arranged on two sides of the split charging line, and the end parts of the automatic clamping mechanisms are detachably connected with clamping blocks and are used for clamping a brake disc of the front steering knuckle assembly.

According to the utility model, the supporting seat is arranged on the bedplate and clamps the bottom of the front knuckle assembly to realize axial fixation, the bedplate is driven by the conveying belt of the split charging line to move along the split charging line, when the bedplate moves to the position of the automatic clamping mechanism, the automatic clamping mechanism starts to work, and the two sides of the brake disc are clamped by the clamping blocks to realize radial fixation, so that the clamping fixation of the front knuckle assembly is finished, and the situation that the front knuckle assembly is tilted in the processing process is prevented.

As a preferable mode, in order to provide the automatic clamping mechanism with a telescopic function and to clamp a brake disc, the automatic clamping mechanism includes: the clamping block support is fixed at the telescopic end of the air cylinder.

Further, the bottom of cylinder is equipped with the cylinder support, the top of cylinder support with the bottom of cylinder passes through bolted connection, the bottom of cylinder support passes through bolted connection with the side of branch line. The cylinder support is used for supporting the cylinder and fixing the cylinder on the side of the split line.

Further, the telescopic shaft of the air cylinder stretches along the width direction of the sub-assembly line, so that the clamping block clamps a brake disc of the front steering knuckle assembly placed on the supporting seat.

Further, a first connecting hole matched with the telescopic end of the air cylinder is formed in the clamping block support, so that the clamping block support is connected with the telescopic end of the air cylinder through a bolt. The clamping block support is used for installing the clamping block, so that the clamping block can stretch and retract along with the air cylinder to realize an automatic clamping function.

Further, the clamping block support is provided with a positioning groove matched with the clamping block, the clamping block is clamped and installed on the positioning groove, and the positioning groove is used for limiting the clamping block.

Further, in order to further fix the clamping block, second connecting holes communicated with the positioning grooves are formed in two sides of the clamping block support, inserting holes corresponding to the second connecting holes are formed in two sides of the clamping block, and when the clamping block is clamped in the positioning grooves, the clamping block is inserted into the inserting holes through the locking pins and penetrates through the second connecting holes, so that limiting and fixing of the clamping block are achieved. The clamping block is arranged in the convenient installation and fixation mode, so that the clamping block has a quick-change function, and a technician can quickly replace the clamping block to adapt to brake discs of different sizes and further be compatible with front knuckle assemblies of different models.

Further, in order to further fix the front knuckle assembly, tilting of the front knuckle assembly is prevented, so the clamping block is provided with a pressing groove, and the pressing groove is matched with the edge of the brake disc.

As a preferred solution, in order to prevent the safety hazard caused by the technician extending his or her hand into the active area of the cylinder, the top cover of the cylinder is provided with an anti-pinch guard.

Further, in order to fix the anti-pinch guard plate, the anti-pinch guard plate moves along with the cylinder in a telescopic mode, so that the anti-pinch guard plate is fixed to two sides of the telescopic end of the cylinder through bolts, and the length of the anti-pinch guard plate is matched with the stroke of the cylinder.

Compared with the prior art, the utility model has the beneficial effects that:

1. the detachable clamping blocks are adopted to clamp the brake disc of the front steering knuckle assembly, and the front steering knuckle assembly with different types can be compatible only by replacing different clamping blocks.

2. The automatic clamping mechanism with the clamping blocks is matched with the supporting seat to fix the axial direction and the radial direction of the brake disc of the front steering knuckle assembly, so that the front steering knuckle assembly is effectively prevented from tilting.

Drawings

FIG. 1 is a schematic view of the front knuckle self-clamping device of the present utility model in an operating condition;

FIG. 2 is a schematic view of the overall structure of the front knuckle self-clamping device;

FIG. 3 is an assembly schematic of the automated clamping mechanism;

FIG. 4 is an exploded schematic view of the automated clamping mechanism;

FIG. 5 is a schematic view of the structure of the clamp block mount;

FIG. 6 is a schematic view of the structure of the clamping block;

in the figure: a split line 1; a platen 101; a support base 2; a cylinder 3; an anti-pinch guard 301; a clamping block support 4; a first connection hole 401; a second connection hole 402; a lock pin 403; a positioning groove 404; a clamping block 5; a pressing groove 501; a jack 502; a weight reduction groove 503; a cylinder mount 6; an anti-rotation mechanism 7; a front knuckle assembly 8; a brake disk 801; a displacement sensor 9.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that if there are terms "upper", "lower", "left", "right"

The orientation or positional relationship indicated by "long", "short", etc. is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present utility model and simplifying the description, and is not intended to indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationship in the drawings are merely used for exemplary illustration and are not to be construed as limiting the present patent, and the specific meaning of the terms described above will be understood by those of ordinary skill in the art according to the specific circumstances.

The technical scheme of the utility model is further specifically described by the following specific embodiments with reference to the accompanying drawings:

example 1:

as shown in fig. 1 to 6, there is provided a front knuckle automatic clamping device, which comprises a supporting seat 2 and an automatic clamping mechanism, wherein the supporting seat 2 is arranged on a bedplate 101 of a split charging line 1 and is used for clamping the bottom of a front knuckle assembly 8, two automatic clamping mechanisms are symmetrically arranged on two sides of the split charging line 1, and the end part of the automatic clamping mechanism is detachably connected with a clamping block 5 and is used for radially clamping a brake disc 801 of the front knuckle assembly 8.

In this embodiment, the supporting seat 2 is annular, the diameter of the supporting seat is matched with the size of the brake disc 801, the supporting seat 2 is clamped with the brake disc 801, so that the brake disc 801 is axially fixed, the preliminary support and fixation of the front knuckle assembly 8 is realized, the rotation of the front knuckle assembly is prevented, the supporting seat 2 is fixed on the platen 101 through bolts, and the platen 101 moves along with the conveyor belt of the split charging line 1.

Specifically, as shown in fig. 3 and 4, the automatic clamping mechanism includes: the clamping block support 4 is fixed to the telescopic end of the air cylinder 3, and the clamping block 5 is detachably mounted on the clamping block support 4 and used for clamping the brake disc 801.

In this embodiment, the cylinders 3 are linear motion cylinders with the model number TCL50-30S, the stroke of the cylinders 3 meets the clamping requirement on the brake disc 801, in addition, two cylinders 3 are connected with an air compressor, the air compressor provides air source power for the expansion and contraction of the cylinders 3, and a pneumatic triple is further connected between the cylinders 3 and the air compressor: the pressure reducing valve can stabilize the air source, so that the air source is in a constant state, damage to hardware such as a valve or an actuator and the like when the air pressure of the air source is suddenly changed can be reduced, the filter is used for cleaning the air source, water in compressed air can be filtered, the water is prevented from entering the device along with the air, the oil atomizer can lubricate moving parts of the machine body, and can lubricate parts inconvenient to be lubricated, so that the service life of the machine body is greatly prolonged. The technician controls the movement of the cylinder 3 through the solenoid valve to make the present utility model have both the extended clamping and the retracted unclamping states, and adjusts the air pressure through the pressure reducing valve, thereby adjusting the clamping pressure to the brake disc 801. In this embodiment, the cylinder 3 may be replaced by a hydraulic cylinder, and the power source may be replaced by a plunger pump, so that the present utility model is driven by original air pressure instead of hydraulic pressure, and the clamping of the front knuckle assembly 8 may also be achieved.

Specifically, as shown in fig. 1, a cylinder support 6 is arranged at the bottom of the cylinder 3, the top of the cylinder support 6 is connected with the bottom of the cylinder 3 through a bolt, and the bottom of the cylinder support 6 is connected with the side edge of the sub-assembly line 1 through a bolt.

In this embodiment, the cylinder support 6 is L-shaped, be equipped with the slotted hole that supplies to connect cylinder 3 and partial shipment line 1 on the cylinder support 6, cylinder support 6 one end with when cylinder 3 passes through bolted connection, the other end passes through bolted connection with partial shipment line 1, fine setting about the position of cylinder 3 can be gone on, makes automatic clamping mechanism's clamping position is more accurate, guarantees the reliability that front steering knuckle assembly 8 pressed from both sides tightly. The cylinder support 6 is welded with reinforcing ribs, so that the situation that the front steering knuckle assembly 8 cannot be clamped at the position of the automatic clamping mechanism due to fatigue deformation caused by long-term stress of the cylinder support 6 is prevented.

Specifically, the telescopic shaft of the cylinder 3 stretches and contracts along the width direction of the sub-assembly line 1, so that the clamping block 5 radially clamps the brake disc 801 of the front knuckle assembly 8 placed on the support seat 2.

Specifically, the clamping block support 4 is provided with a first connecting hole 401 adapted to the telescopic end of the air cylinder 3, so that the clamping block support 4 is connected with the telescopic end of the air cylinder 3 through a bolt, and in this embodiment, the mode of the bolt connection has the characteristics of convenience in disassembly and assembly, reliability in connection and the like.

Specifically, the clamping block support 4 is provided with a positioning groove 404 adapted to the clamping block 5, and the clamping block 5 is clamped and mounted on the positioning groove 404.

Specifically, the two sides of the clamping block support 4 are provided with second connecting holes 402 which are communicated with the positioning grooves 404, the two sides of the clamping block 5 are provided with insertion holes 502 corresponding to the second connecting holes 402, and when the clamping block 5 is clamped in the positioning grooves 404, the clamping block 5 is inserted into the insertion holes 502 through the locking pins 403 passing through the second connecting holes 402, so that the limiting and fixing of the clamping block 5 are realized.

In this embodiment, the clamping block 5 is used as a quick-change component, and is fixed by adopting the manner that the positioning groove 404 is clamped with the locking pin 403, so that the clamping block 5 is fixed more reliably, and the disassembly and assembly are more convenient.

In particular, the clamping block 5 is provided with a pressing groove 501, and the pressing groove 501 is matched with the edge of the brake disc 801. In this embodiment, the pressing groove 501 is an arc groove, the groove width of the arc groove is adapted to the thickness of the brake disc 801, the radian of the arc groove is adapted to the radian of the edge of the brake disc 801, so that the clamping block 5 is attached to the edge of the brake disc 801, and the front knuckle assembly 8 is further fixed more reliably.

The process of realizing automatic clamping by the automatic clamping device in the embodiment is as follows:

the technical staff firstly installs the clamping blocks 5 matched with the brake discs 801 of the front steering knuckle assembly 8, clamps the clamping blocks 5 into the clamping block support 4 and locks the clamping blocks 5 through the locking pins 403, then installs the brake discs 801 of the front steering knuckle assembly 8 on the supporting seat 2 of the bedplate 101 and moves along with the bedplate 101, the bedplate 101 moves to an automatic clamping mechanism and then stops, at the moment, the cylinders 3 in the two automatic clamping mechanisms start to work, drive the two clamping blocks 5 to extend out along the width direction of the split charging line 1 and clamp and fix the two sides of the brake discs 801, then the front steering knuckle assembly 8 can be processed, after the processing is finished, the cylinders 3 move reversely, so that the clamping blocks 5 move along, the brake discs 801 are loosened, and the technical staff can take the front steering knuckle assembly 8 off the supporting seat 2.

Example 2:

this embodiment is similar to embodiment 1 except that in this embodiment, as shown in fig. 3, the top cover of the cylinder 3 is provided with an anti-pinch plate 301.

Specifically, the anti-clamping guard plates 301 are fixed on two sides of the telescopic end of the air cylinder 3 through bolts, and the length of the anti-clamping guard plates 301 is matched with the stroke of the air cylinder 3.

In this embodiment, the anti-clamping guard plate 301 moves along with the telescopic end of the air cylinder 3, so that a safety hazard is effectively prevented from occurring when a technician stretches the handle into the movable area of the air cylinder 3 during the telescopic process of the air cylinder 3.

Example 3:

the embodiment is similar to embodiment 1, except that in this embodiment, as shown in fig. 1 and 2, an anti-rotation mechanism 7 is disposed on the platen 101, the anti-rotation mechanism 7 corresponds to the position of the support seat 2, and a limit groove is disposed on the anti-rotation mechanism 7 and is clamped with a branch of the front knuckle 8, so as to limit rotation of the front knuckle assembly 8, and assist in limiting the front knuckle assembly.

Example 4:

the difference between this embodiment and embodiment 1 is that in this embodiment, as shown in fig. 1 and fig. 2, a displacement sensor 9 is disposed on the platen 101, where the displacement sensor 9 can identify the position of the platen 101 and is linked with the automatic clamping mechanism, and after the platen 101 enters the station of the automatic clamping mechanism, the displacement sensor 9 controls the platen 101 to stop through signal transmission, and at the same time controls the automatic clamping mechanism to work, so as to achieve clamping and fixing of the front steering knuckle assembly 8.

Example 5:

the embodiment is similar to embodiment 1, except that in this embodiment, the clamping block 5 is provided with a plurality of weight-reducing grooves 503, and on the premise of ensuring the strength of the clamping block 5, the weight of the clamping block 5 can be reduced by the arrangement of the weight-reducing grooves 503, so that the clamping block 5 is convenient to disassemble and assemble.

Specifically, a rubber gasket may be further installed in the clamping groove 501 of the clamping block 5, so that the clamping block 5 and the brake disc 801 are prevented from being directly contacted to cause abrasion of the brake disc 801 during the clamping process.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and are not intended to limit the scope of the utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. The utility model provides a preceding knuckle self-holding device, its characterized in that, includes supporting seat (2), self-holding mechanism, supporting seat (2) set up on platen (101) of partial shipment line (1) for carry out the joint to the bottom of preceding knuckle assembly (8), self-holding mechanism has two, two self-holding mechanism symmetry sets up in the both sides of partial shipment line (1), self-holding mechanism's tip can be dismantled and be connected with clamping piece (5), is used for pressing from both sides tight brake disc (801) of preceding knuckle assembly (8).

2. The front knuckle self-clamping device of claim 1, wherein said self-clamping mechanism comprises: the clamping block support (4) is fixed to the telescopic end of the air cylinder (3), and the clamping block (5) is mounted on the clamping block support (4).

3. The automatic front knuckle clamping device according to claim 2, characterized in that a cylinder support (6) is arranged at the bottom of the cylinder (3), the top of the cylinder support (6) is connected with the bottom of the cylinder (3) through bolts, and the bottom of the cylinder support (6) is connected with the side edge of the split charging line (1) through bolts.

4. A front knuckle automatic clamping device according to claim 3, characterized in that the telescopic shaft of the cylinder (3) is telescopic in the width direction of the split line (1) to enable the clamping block (5) to clamp the brake disc (801) of the front knuckle assembly (8) placed on the support base (2).

5. The automatic front knuckle clamping device according to claim 2, characterized in that the clamping block support (4) is provided with a first connecting hole (401) adapted to the telescopic end of the cylinder (3) so that the clamping block support (4) is connected to the telescopic end of the cylinder (3) by a bolt.

6. The automatic front steering knuckle clamping device according to claim 2, wherein the clamping block support (4) is provided with a positioning groove (404) matched with the clamping block (5), and the clamping block (5) is mounted on the positioning groove (404) in a clamping manner.

7. The automatic front steering knuckle clamping device according to claim 6, wherein second connecting holes (402) communicated with the positioning grooves (404) are formed in two sides of the clamping block support (4), insertion holes (502) corresponding to the second connecting holes (402) are formed in two sides of the clamping block (5), and when the clamping block (5) is clamped in the positioning grooves (404), the clamping block is inserted into the insertion holes (502) through the second connecting holes (402) through locking pins (403) to achieve limit fixing of the clamping block (5).

8. The automatic front knuckle clamping device of claim 7, characterized in that the clamping block (5) is provided with a clamping groove (501), the clamping groove (501) being adapted to the rim of the brake disc (801).

9. A front knuckle automatic clamping device according to claim 2, characterized in that the top cover of the cylinder (3) is provided with anti-pinch guard (301).

10. The automatic front knuckle clamping device of claim 9, wherein the anti-pinch guard (301) is fixed to both sides of the telescopic end of the cylinder (3) by bolts, and the length of the anti-pinch guard (301) is matched with the stroke of the cylinder (3).