CN216205820U

CN216205820U - Device for testing position degree of end face threaded hole of ball nut

Info

Publication number: CN216205820U
Application number: CN202122759890.2U
Authority: CN
Inventors: 施淳译; 余兵浩; 王婷婷; 朱俊民; 张佳玲
Original assignee: Qidong Jinqiao Bearing Co ltd
Current assignee: Qidong Jinqiao Bearing Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-04-05
Anticipated expiration: 2031-11-11

Abstract

The utility model discloses a device for checking the position degree of a threaded hole on the end surface of a ball nut, which is characterized by comprising a base and a fixed support, wherein the fixed support is fixed on the base, the fixed support is provided with a pushing mechanism, a ball nut clamping mechanism and a checking mechanism, the ball nut clamping mechanism comprises a pressing plate and a placing table for placing the ball nut, the placing table is fixed on the fixed support, the placing table is fixedly provided with a conical head and a limiting block for positioning the ball nut to be tested, and the pressing plate is connected with the pushing mechanism; the ball nut inspection device has the advantages of simple structure, convenience in operation, low cost and low requirement on environment, and can be used for inspecting the ball nut in real time in a production workshop; due to the fact that the inspection rod position adjusting mechanism and the limiting block position adjusting mechanism are arranged, the positions of the inspection rod and the limiting block can be adjusted, the inspection rod can be used for inspecting ball nuts of different specifications, and adaptability is good.

Description

Device for testing position degree of end face threaded hole of ball nut

Technical Field

The utility model relates to a ball nut testing device, in particular to a device for testing the position degree of an end face threaded hole of a ball nut.

Background

The ball nut is an extremely important part in an automobile transmission system, the structural characteristics are complex, various production requirements are very strict, the end face threaded hole is an important structural characteristic for assembling and connecting the ball nut and other transmission parts, and the position degree of the ball nut is good or not, so that the assembling function of the ball nut is directly influenced. Therefore, the position degree of the end face threaded hole belongs to an important characteristic, and management and control are required to be enhanced in the machining process. Most of the traditional methods for checking the position degree of the end face threaded hole are CMM three-coordinate detection methods. However, the CMM detection apparatus is expensive, the detection is cumbersome, and has a constant temperature and humidity requirement on the detection environment, and the detection cost is high, but the most inconvenient place of the CMM detection method is that the detection efficiency and the detection frequency are low, so that the quality control of the end face threaded hole position degree in the production field cannot meet the requirement of real-time inspection and confirmation.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the device for detecting the position degree of the end face threaded hole of the ball nut, which has a simple structure and is convenient to operate, and can be used for detecting the position degree of the end face threaded hole of the ball nut in real time in a production field.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a ball nut's terminal surface screw hole position degree verifying attachment, includes base and fixed bolster, the fixed bolster fix the base on, the fixed bolster on be provided with pushing mechanism, ball nut fixture and inspection mechanism, ball nut fixture include the clamp plate and be used for placing ball nut place the platform, place the platform and fix the fixed bolster on, just place bench fixed be provided with be used for fixing a position ball nut's that awaits measuring conical head and stopper, the clamp plate with pushing mechanism be connected.

Preferably, the pushing mechanism comprises a push rod, a handle, a connecting rod frame and a hinged seat, a fixed support is fixedly provided with a fixed seat, the lower end of the push rod penetrates through the fixed seat and the pressing plate to be fixed, the hinged seat is fixed on the fixed seat, two ends of the connecting rod frame are respectively hinged with the handle and the hinged seat, an ear plate is fixedly arranged on the handle, and the upper end of the push rod is hinged with the ear plate.

Preferably, the inspection mechanism comprises a plurality of inspection rods, the inspection rods correspond to the end face threaded holes of the ball nuts in position and quantity one by one, the lower ends of the inspection rods abut against the base, and the upper ends of the inspection rods upwards penetrate through the placing table and are in vertical sliding fit with the placing table.

Preferably, the placing table is provided with a check rod position adjusting mechanism.

Preferably, the check rod position adjusting mechanism comprises a plurality of waist-shaped holes formed in the placing table, the upper ends of the check rods penetrate through the waist-shaped holes in a one-to-one mode, sleeves are sleeved on the upper ends of the check rods, protruding blocks are coaxially and integrally arranged at the lower ends of the sleeves, first locating blocks are oppositely arranged on two sides of each protruding block, a plurality of groups of locating grooves are oppositely arranged on the edges of the waist-shaped holes, the protruding blocks are arranged in the waist-shaped holes, and the first locating blocks are embedded in one group of locating grooves.

Preferably, the check rod is fixedly provided with a stop block.

Preferably, the placing table is provided with a position adjusting mechanism of a limiting block.

Preferably, the limiting block position adjusting mechanism comprises a limiting groove arranged on the placing table, a second positioning block is fixedly arranged at the bottom of the limiting block, and the second positioning block is embedded in the limiting groove.

Compared with the prior art, the utility model has the advantages of simple structure, convenient operation, low cost and low requirement on environment, and can carry out real-time inspection on the ball nut in a production workshop; due to the fact that the inspection rod position adjusting mechanism and the limiting block position adjusting mechanism are arranged, the positions of the inspection rod and the limiting block can be adjusted, the inspection rod can be used for inspecting ball nuts of different specifications, and adaptability is good.

Drawings

FIG. 1 is a schematic view of an end threaded bore of a ball nut;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is an enlarged partial schematic view of the utility model at A of FIG. 3;

FIG. 4 is a schematic perspective view of the inspection device of the present invention;

fig. 5 is a schematic view of the usage state of the present invention.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 1-4, an end face threaded hole position degree inspection device for a ball nut comprises a base 1 and a fixed support 2, the fixed support 2 is fixed on the base 1, a pushing mechanism, a ball nut clamping mechanism and an inspection mechanism are arranged on the fixed support 2, the ball nut clamping mechanism comprises a pressure plate 4 and a placing table 3 for placing the ball nut, the placing table 3 is fixed on the fixed support 2, a conical head 31 and a limiting block 32 for positioning the ball nut to be inspected are fixedly arranged on the placing table 3, the limiting block 32 is matched with a key groove 51 on the end face of the ball nut 5 to angularly position the ball nut 5, the pushing mechanism comprises a push rod 61, a handle 62, a connecting rod frame 63 and a hinge seat 64, a fixed seat 21 is fixedly arranged on the fixed support 2, the lower end of the push rod 61 penetrates through the fixed seat 21 to be fixed with the pressure plate 4, the hinge seat 64 is fixed on the fixed seat 21, the both ends of connecting rod frame 63 are articulated mutually with handle 62, articulated seat 64 respectively, and the fixed otic placode 621 that is provided with on the handle 62, and otic placode 621 is articulated mutually with the upper end of push rod 61, and inspection mechanism includes many check rods 7, and the position of check rod 7 and ball nut 5's terminal surface screw hole 52, quantity one-to-one, the lower extreme and the base 1 of check rod 7 offset, and the upper end of check rod 7 upwards wears out and places platform 3 and with place the platform 3 about sliding fit.

In the above embodiment, it is provided with check rod position adjustment mechanism and stopper position adjustment mechanism to place bench 3, check rod position adjustment mechanism includes a plurality of waist shape hole 8 of setting on placing bench 3, the upper end one-to-one of check rod 7 upwards passes waist shape hole 8 with passing, the pot head of every check rod 7 has sleeve 81, the coaxial an organic whole of lower extreme of sleeve 81 is provided with lug 82, and lug 82's both sides are provided with first locating piece 821 relatively, waist shape hole 8's border is provided with multiunit constant head tank 83 relatively, lug 82 sets up in waist shape hole 8, first locating piece 821 inlays in one of them set of constant head tank 83, stopper position adjustment mechanism is including setting up the spacing groove 9 on placing bench 3, the fixed second locating piece 321 that is provided with in bottom of stopper 32, second locating piece 321 inlays in spacing groove 9.

In the above embodiment, the check rod 7 is fixedly provided with the stopper 71.

As shown in fig. 5: the process of inspecting the positional accuracy of the end-face threaded hole 52 of the ball nut 5 by using this inspection apparatus is: the positions of the inspection rod 7 and the limiting block 32 on the placing table 3 are adjusted according to the standard component corresponding to the ball nut 5 to be inspected, then the ball nut 5 to be inspected is taken, the key groove 51 of the end face of the ball nut is aligned to the limiting block 32, the inner hole of the ball nut is aligned to the conical head 31, the placing table 3 is placed, then the handle 62 is pulled downwards, the push rod 61 drives the pressing plate 4 to move downwards, the pressing plate 4 supports against the upper end face of the ball nut 5, then the inspection rod 7 is shifted upwards in sequence, if all the inspection rods 7 can smoothly pass through the end face threaded holes 52, the produced ball nut 5 is qualified, as long as one inspection rod 7 does not pass through the end face threaded holes 52, the produced ball nut 5 is unqualified, then the handle 62 is pulled upwards, the ball nut 5 is taken down, and inspection is completed.

The scope of the present invention includes, but is not limited to, the above embodiments, and the present invention is defined by the appended claims, and any alterations, modifications, and improvements that may occur to those skilled in the art are all within the scope of the present invention.

Claims

1. The utility model provides a ball nut's terminal surface screw hole position degree verifying attachment, its characterized in that includes base and fixed bolster, the fixed bolster fix the base on, the fixed bolster on be provided with pushing mechanism, ball nut fixture and inspection mechanism, ball nut fixture include the clamp plate and be used for placing ball nut place the platform, place the platform and fix the fixed bolster on, just place bench fixed be provided with the cone head and the stopper that are used for fixing a position ball nut that awaits measuring, the clamp plate with pushing mechanism be connected.

2. The apparatus for testing the positional accuracy of an end-face threaded hole of a ball nut according to claim 1, wherein: pushing mechanism include push rod, handle, connecting rod frame and articulated seat, the fixed bolster on the fixed fixing base that is provided with, the lower extreme of push rod pass the fixing base with the clamp plate fixed mutually, articulated seat fix the fixing base on, the connecting rod frame both ends respectively with the handle articulated seat articulated mutually, just the handle on the fixed otic placode that is provided with, the otic placode with the upper end of push rod articulated mutually.

3. The apparatus for testing the positional accuracy of an end-face threaded hole of a ball nut according to claim 1, wherein: the inspection mechanism comprises a plurality of inspection rods, the inspection rods correspond to the end face threaded holes of the ball nuts in position and quantity one to one, the lower ends of the inspection rods are abutted to the base, and the upper ends of the inspection rods upwards penetrate through the placing table and are in sliding fit with the placing table up and down.

4. The apparatus for inspecting the positional accuracy of an end-face threaded hole of a ball nut according to claim 3, wherein: the placing table is provided with a detection rod position adjusting mechanism.

5. The apparatus for inspecting the positional accuracy of an end-face threaded hole of a ball nut according to claim 4, wherein: the utility model discloses a test rod position adjustment mechanism, including a plurality of settings waist shape hole placing the bench, the upper end one-to-one of test rod upwards pass waist shape hole, the last pot head of test rod have the sleeve, the coaxial an organic whole of telescopic lower extreme be provided with the lug, just the both sides of lug be provided with first constant head tank relatively, the border in waist shape hole be provided with the multiunit constant head tank relatively, the lug set up waist shape downthehole, first constant head tank inlay in one of them a set of constant head tank.

6. The apparatus for inspecting the positional accuracy of an end-face threaded hole of a ball nut according to claim 3, wherein: and a check block is fixedly arranged on the check rod.

7. The apparatus for testing the positional accuracy of an end-face threaded hole of a ball nut according to claim 1, wherein: the placing table is provided with a limiting block position adjusting mechanism.

8. The apparatus for testing the positional accuracy of an end-face threaded hole of a ball nut according to claim 7, wherein: the limiting block position adjusting mechanism comprises a limiting groove arranged on the placing table, a second positioning block is fixedly arranged at the bottom of the limiting block, and the second positioning block is embedded in the limiting groove.