CN215865052U

CN215865052U - Knuckle blank deflection detection tool

Info

Publication number: CN215865052U
Application number: CN202121761295.6U
Authority: CN
Inventors: 李昆; 王德伟; 张宝
Original assignee: Changchun Jitong Kaisa Aluminum Co ltd
Current assignee: Changchun Jitong Kaisa Aluminum Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-02-18
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses a steering knuckle blank deformation detection tool which comprises a base, a positioning column A, a positioning column B, a positioning column C, a positioning pin A, a positioning pin B, a cushion block, a clamp, a support A, a support B, a support C, a dial indicator, a measuring pin and a positioning block, wherein the positioning column A, the positioning column B and the positioning column C are fixed at one end of the base; the cushion block is fixedly connected to the base, and the clamp is fixedly connected to the top of the cushion block; the support A, the support B and the support C are fixedly connected to the edge of the other end of the base, and the positioning block is fixed on the base and located between the support A and the support B; the measuring pin is horizontally connected to the top edge of the bracket A; the dial indicator is fixedly connected to the top of the bracket C; and the positioning pin B is horizontally fixed at the top edge of the bracket B and close to one side of the positioning block.

Description

Knuckle blank deflection detection tool

Technical Field

The utility model relates to a detection tool, in particular to a steering knuckle blank deformation detection tool.

Background

The automobile steering knuckle is one of important parts on an automobile steering axle, and mainly bears front side load when the steering knuckle works, so that the driving direction of an automobile is transmitted, and a front wheel of the automobile is driven to rotate around a main shaft, so that the automobile is steered and stably runs. At present, the high-speed development and the prosperous automobile industry are developed, the demand of a steering knuckle blank is increased gradually, the problem that the steering knuckle blank is deformed in production cannot be solved, and the steering knuckle bears variable load during working, so that higher requirements are provided for the precision of the steering knuckle blank.

Therefore, how to provide a gauge which is simple to operate, low in cost and capable of rapidly detecting the deformation of the universal joint blank in batch is a problem which needs to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a steering knuckle blank deformation detection tool which is simple to operate, high in detection efficiency and suitable for batch detection.

In order to achieve the purpose, the utility model adopts the following technical scheme: a steering knuckle blank deformation detection gauge comprises a base, a positioning column A, a positioning column B, a positioning column C, a positioning column A, a positioning column B, a cushion block, a clamp, a support A, a support B, a support C, a dial indicator, a measuring pin and a positioning block, wherein the positioning column A, the positioning column B and the positioning column C are fixed at the position, close to one end of the base, of the base; the cushion block is fixedly connected to the base and close to the position of the positioning column B, and the clamp is fixedly connected to the top of the cushion block; the support A, the support B and the support C are fixedly connected to the position, close to the other end of the base, and the positioning block is fixedly connected to the base and located between the support A and the support B; the measuring pin is horizontally connected to the top edge of the bracket A; the dial indicator is fixedly connected to the top of the bracket C; the positioning pin B limits the horizontal displacement of the blank piece, and is horizontally fixed on the top edge of the bracket B and close to one side of the positioning block; the positioning column A, the positioning column C and the positioning block limit the z direction of the blank; the positioning pin A and the positioning pin B limit the x direction of the blank; the positioning pin a restricts the y direction of the blank member.

The utility model has the beneficial effects that: the checking fixture adopts a 3-2-1 positioning principle, and the positioning column A, the positioning column C and the positioning block limit the z direction of a blank; the positioning pin A and the positioning pin B limit the x direction of the blank; the locating pin A limits the y direction of the blank, accurately limits the steering knuckle blank on the checking fixture, and is quickly clamped by the clamp, the dial indicator on the support C and the measuring pin on the support A can quickly measure the deformation of the blank, the efficiency is high, and the measurement is accurate.

Preferably, the bottom of reference column A, reference column C all sets up circular pedestal, all set up locating hole and bolt hole on the pedestal, set up a plurality of pinholes and screw hole on the base, locating hole on the pedestal is interior to connect pinhole looks and round pin and the base on the pinhole adaptation connection, the bolt hole corresponds with the screw hole and passes through bolt fixed connection.

Preferably, reference column B's bottom sets up the mount pad, the mount pad is disc and one side has the arc breach, the arc breach of mount pad one side with the pedestal lateral wall of reference column C bottom corresponds the butt, the mount pad passes through the bolt fastening on the base.

Preferably, a shaft hole is formed in the position, corresponding to the positioning column B, of the base, the shaft hole is in a stepped shape along the axial direction of the shaft hole, a positioning shaft is connected in the shaft hole in an adaptive mode, and the top end of the positioning shaft is located in the cavity and abutted to the pressure spring.

Preferably, one end part of each of the positioning column a, the positioning column B, the positioning column C, the positioning pin a and the positioning pin B is in a circular truncated cone shape, and the small-size end corresponding to each of the positioning column a, the positioning column B, the positioning column C, the positioning pin a and the positioning pin B is a positioning surface.

Preferably, the locating piece is rectangular, the locating piece passes through bolt fixed connection on the base, set up the locating hole on the locating piece, the locating pin location of connecting in the locating hole is in on the base, its top be the locating surface and with blank butt.

Preferably, the support C is located on one side, away from the positioning column C, of the support B, a mounting hole is formed in the top of the support C, and a mounting shaft of the dial indicator is fixedly connected in the mounting hole. And a pointer probe of the dial indicator is close to one side of the bracket A.

Preferably, a through hole is formed in the side wall of the top of the support A, a guide shaft sleeve is connected in the through hole in an adaptive mode, and the measuring pin is sleeved in the guide shaft sleeve in an adaptive mode.

Preferably, the bottom of the base is fixedly connected with a supporting transverse rib through a bolt, and the supporting transverse ribs are arranged in groups and placed on the inspection bench.

Drawings

FIG. 1 is an overall schematic view of a knuckle blank deformation detection fixture of the present invention;

FIG. 2 is a schematic view of a blank piece detected by the knuckle blank deformation detection gauge of the utility model;

FIG. 3 is a schematic view of a positioning column B of the steering knuckle blank deformation detection gauge of the utility model;

FIG. 4 is a schematic view of a bracket C of the knuckle blank deformation detection tool of the utility model;

fig. 5 is a schematic view of a positioning pin a of the knuckle blank deformation amount detection tool.

The device comprises a base 1, a positioning column A2, a positioning column B3, a positioning column C4, a positioning pin A5, a positioning pin B6, a cushion block 7, a clamp 8, a support A9, a support B10, a support C11, a dial indicator 12, a measuring pin 13, a positioning block 14, a pressure spring 15, a pedestal 16, a blank 17, a positioning shaft 18, a supporting transverse rib 19, a through hole 20, a step seat 21, a mounting seat 22 and a mounting hole 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5 of the present invention, a steering knuckle blank deformation amount detection fixture according to an embodiment of the present invention includes a base 1, a positioning post a2, a positioning post B3, a positioning post C4, a positioning post a5, a positioning post B6, a pad 7, a clamp 8, a support a9, a support B10, a support C11, a dial indicator 12, a measuring pin 13, and a positioning block 14, wherein the positioning post a2, the positioning post B3, and the positioning post C4 are fixed at a position of the base 1 near one end thereof, the positioning post B3 is located between the positioning post a2 and the positioning post C4 and is arranged near the positioning post C4, a cavity is axially arranged inside the positioning post B3 and has an open bottom, a through hole 20 is formed at the top of the positioning post B3, a compression spring 15 is arranged in the cavity, one end of the positioning post a5 extends outward in a radial direction to form a step seat 21 is limited in the cavity and is connected to the compression spring 15, and the other end of the positioning post a5 passes through the through hole 20;

the cushion block 7 is fixedly connected to the base 1 and is close to the position of the positioning column B3, and the clamp 8 is fixedly connected to the top of the cushion block 7; the support A9, the support B10 and the support C11 are fixedly connected to the position, close to the other end of the base 1, of the base, and the positioning block 14 is fixedly connected to the base 1 and located between the support A9 and the support B10; the measuring pin 13 is horizontally connected to the top edge of the bracket A9; the dial indicator 12 is fixedly connected to the top edge of the bracket C11; the positioning pin B6 limits the horizontal displacement of the blank, and the positioning pin B6 is horizontally fixed at the top edge of the bracket B10 and close to one side of the positioning block 14; the positioning column A, the positioning column C and the positioning block limit the z direction of the blank; the positioning pin A and the positioning pin B limit the x direction of the blank; the positioning pin a restricts the y direction of the blank member.

When measuring the blank, the blank is placed on examining the utensil according to preset position, and reference column A, reference column B, reference column C, locating pin A, locating pin B can pinpoint, and the use of cooperation clamp can the quick fixation blank, can the short-term test blank's deflection through measuring pin and the percentage table that sets up. It is determined whether it is acceptable.

In some embodiments, circular pedestal 16 is arranged at the bottom of positioning column a2 and positioning column C4, positioning holes and bolt holes are arranged on pedestal 16, multiple pin holes and threaded holes are arranged on base 1, a pin is connected in the positioning hole on pedestal 16 and is in adaptive connection with the pin hole on the base, the bolt hole corresponds to the threaded hole and is fixedly connected through a bolt, the positioning column and the base are fixed through the pin for positioning, and then the positioning connection is accurate, so that the measurement error is reduced.

In other embodiments, the bottom of the positioning column B3 is provided with the mounting seat 22, the mounting seat 22 is disc-shaped and has an arc-shaped notch on one side, the arc-shaped notch on one side of the mounting seat 22 is correspondingly abutted against the side wall of the pedestal at the bottom of the positioning column C4, and the mounting seat 22 is fixed on the base 1 through bolts.

Specifically, the position that corresponds reference column B3 on the base 1 is equipped with the shaft hole, the shaft hole is the echelonment along its axial, the location axle 18 of adaptation connection in the shaft hole, the top of location axle 18 be located the die cavity and with the butt of pressure spring 15, the position of the accurate restriction reference column B of setting up in shaft hole, pressure spring in the die cavity can butt locating pin A, locating pin A is portable from top to bottom relatively, because the location center ball socket degree of depth of blank forging is not unanimous, there is the point difference, locating pin A prevents that blank forging has the unsafe condition in location to take place.

In other embodiments, one end of the positioning column a2, the positioning column B3, the positioning column C4, the positioning pin a5 and the positioning pin B6 are all in a truncated cone shape, and the small-size ends corresponding to the positioning column a5 and the positioning pin B6 are positioning surfaces respectively, so that the positioning points of the blank can be conveniently adapted.

In other specific embodiments, the positioning block 14 is rectangular, the positioning block 14 is fixedly connected to the base 1 through a bolt, a positioning hole is formed in the positioning block 14, a positioning pin is connected in the positioning hole and positioned on the base 1, and the top of the positioning block is a positioning surface and abutted against the blank 17 to limit the degree of freedom of the blank in the z direction.

In other embodiments, the bracket C11 is located on the side of the bracket B10 away from the positioning column C4, the top of the bracket C11 is provided with a mounting hole 23, the mounting shaft of the dial indicator 12 is fixedly connected in the mounting hole 23, the pointer probe of the dial indicator 12 is close to the side of the bracket a9, the bracket C is arranged to mount the dial indicator, and the probe of the dial indicator abuts against the side wall of the blank to measure the deformation of the blank to judge the qualification of the blank.

If the reading of the dial indicator is in the range of 0.8-2.4 mm, the part is qualified. Otherwise, the piece is not qualified.

Specifically, a locking hole is formed in the support C, and the mounting shaft of the dial indicator is fastened through a locking bolt in the locking hole.

More specifically, a through hole is formed in the side wall of the top of the support A9, a guide shaft sleeve is connected in the through hole in a matching mode, the measuring pin 13 is sleeved in the guide shaft sleeve in a matching mode, the measuring pin is in a step shape and comprises a detection surface I and a detection surface II, and whether the blank is qualified or not is proved if the detection surface detects a gap between the detection surface and the blank 17.

In other embodiments, the bottom of the base 1 is fixedly connected with a supporting transverse rib 19 through a bolt, the supporting transverse ribs 19 are arranged in groups and placed on the inspection bench, the supporting transverse ribs prevent the base from deforming, and the detection error of a blank piece is reduced.

The utility model has the beneficial detection effects that:

the utility model relates to a steering knuckle blank deformation detection tool, which solves the problems of complex detection operation, time-consuming detection and the like of a steering knuckle blank. The checking fixture can research the clamping mode of a product on the checking fixture according to the positioning point on the steering knuckle, quickly clamp and disassemble the product, effectively and quickly distinguish good products and defective products of the forged aluminum alloy steering knuckle by matching and using a dial gauge and a measuring pin (step-shaped), and shorten the detection time and improve the detection rate by a new process detection mode; the checking fixture is mainly positioned by a positioning column B and a positioning pin A, the positioning pin A can stretch under the action of a pressure spring, the positioning precision is high, the speed is high, the checking fixture adopts a 3-2-1 positioning principle, and the positioning column A, the positioning column C and the positioning block control the Z direction of the maximum projection plane of a product; the connecting line of the positioning pin A and the positioning pin B controls the x direction of the product; the locating pin A controls the y direction of the product. The hardness of the measuring surface of the measuring pin after heat treatment reaches above 60HRC, the wear resistance is enhanced, and the service life is longer. The checking fixture is simple to operate, flexible to clamp, special for special objects and free of repeated disassembly and assembly. Through the novel detection tool, the advantages of convenience in detection of workers in production, high detection efficiency, low detection cost, low requirement on working environment and the like can be realized in batches, the production beat is shortened, the production efficiency is improved, the problems that in the prior art, when a three-coordinate detection machine is used for detecting deformation, the operation is complex, the detection is time-consuming, the detection efficiency is low and the like are solved, the technical requirement of an operator is reduced, and the cost is saved. According to the positioning point on the steering knuckle, the clamping mode of the product on the checking fixture is researched, the product is quickly clamped and disassembled, and the method has a wide application prospect in the batch production of the automobile steering knuckle blank.

For the device and the using method disclosed by the embodiment, the description is simple because the device and the using method correspond to the method disclosed by the embodiment, and the relevant points can be referred to the description of the method part.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A steering knuckle blank deformation detection tool is characterized by comprising a base (1), a positioning column A (2), a positioning column B (3), a positioning column C (4), a positioning pin A (5), a positioning pin B (6), a cushion block (7), a clamp (8), a support A (9), a support B (10), a support C (11), a dial indicator (12), a measuring pin (13) and a positioning block (14), wherein the positioning column A (2), the positioning column B (3) and the positioning column C (4) are fixed at a position, close to one end of the base (1), of the base, the positioning column B (3) is located between the positioning column A (2) and the positioning column C (4) and is arranged close to the positioning column C (4), a cavity is formed in the inner portion of the positioning column B (3) along the axial direction of the positioning column B, the bottom of the positioning column B is open, a through hole (20) is formed in the top of the positioning column B (3), a pressure spring (15) is arranged in the cavity, one end of the positioning pin A (5) extends outwards along the radial direction of the positioning pin A to form a step seat (21), the step seat (21) is limited in the cavity and is abutted against the pressure spring (15), and the other end of the positioning pin A (5) penetrates through the through hole (20);

the cushion block (7) is fixedly connected to the base (1) and is close to the position of the positioning column B (3), and the clamp (8) is fixedly connected to the top of the cushion block (7); the support A (9), the support B (10) and the support C (11) are fixedly connected to the position, close to the other end of the base (1), of the base, and the positioning block (14) is fixedly connected to the base (1) and located between the support A (9) and the support B (10); the measuring pin (13) is horizontally connected to the top edge of the bracket A (9); the dial indicator (12) is fixedly connected to the top edge of the bracket C (11); the positioning pin B (6) limits the horizontal displacement of the blank piece (17), and the blank piece is horizontally fixed on the top edge of the bracket B (10) and close to one side of the positioning block (14); the positioning column A, the positioning column C and the positioning block limit the z direction of the blank; the positioning pin A and the positioning pin B limit the x direction of the blank; the positioning pin a restricts the y direction of the blank member.

2. The knuckle blank deformation detection tool according to claim 1, wherein a circular pedestal (16) is arranged at the bottom of each of the positioning columns A (2) and C (4), positioning holes and bolt holes are arranged on the pedestal (16), a plurality of pin holes and threaded holes are arranged on the pedestal (1), a pin is connected in each positioning hole on the pedestal (16) and is in adaptive connection with the pin hole on the pedestal, and the bolt holes correspond to the threaded holes and are fixedly connected through bolts.

3. The knuckle blank deformation detection tool according to claim 2, wherein an installation seat (22) is arranged at the bottom of the positioning column B (3), the installation seat (22) is disc-shaped and has an arc-shaped notch at one side, the arc-shaped notch at one side of the installation seat (22) is correspondingly abutted to the pedestal side wall at the bottom of the positioning column C (4), and the installation seat (22) is fixed on the base (1) through a bolt.

4. The knuckle blank deformation detection tool according to claim 3, wherein a shaft hole is formed in the base (1) corresponding to the positioning column B (3), the shaft hole is stepped along the axial direction of the shaft hole, a positioning shaft (18) is connected in the shaft hole in a matching mode, and the top end of the positioning shaft (18) is located in the cavity and abutted to the pressure spring (15).

5. The knuckle blank deformation detection tool according to claim 4, wherein one end of each of the positioning column A (2), the positioning column B (3), the positioning column C (4), the positioning pin A (5) and the positioning pin B (6) is in a truncated cone shape, and the small-size ends corresponding to the positioning columns are positioning surfaces.

6. The knuckle blank deformation amount detection tool according to claim 1, wherein the positioning block (14) is rectangular, the positioning block (14) is fixedly connected to the base (1) through a bolt, a positioning hole is formed in the positioning block (14), a positioning pin is connected in the positioning hole and positioned on the base (1), and the top of the positioning hole is a positioning surface and is abutted to a blank piece (17).

7. The knuckle blank deformation amount detection tool according to claim 1, wherein the support C (11) is located on one side, away from the positioning column C (4), of the support B (10), a mounting hole (23) is formed in the top of the support C (11), a mounting shaft of the dial indicator (12) is fixedly connected in the mounting hole (23), and a pointer probe of the dial indicator (12) is close to one side of the support A (9).

8. The knuckle blank deformation detection tool according to claim 1, wherein a through hole is formed in a top side wall of the support A (9), a guide shaft sleeve is connected in the through hole in a matched mode, and the measuring pin (13) is sleeved in the guide shaft sleeve in a matched mode.

9. The knuckle blank deformation detection tool according to claim 1, wherein the bottom of the base (1) is fixedly connected with supporting transverse ribs (19) through bolts, and the supporting transverse ribs (19) are arranged in groups two by two and placed on a test bench.