CN203744876U - High-precision testing fixture for detecting dimension of slide rail - Google Patents

Abstract

The utility model relates to an automobile testing fixture, and specifically relates to a high-precision testing fixture for detecting the dimension of a slide rail. The testing fixture comprises a mat column, a first insert block, a second insert block, a first slide block, a second slide block, a first slide seat, a second slide seat and a standard insert block which are fixed on the inner side of a positioning block. The mat column is compacted and fixed to the inner side of the positioning block; a guide shaft is installed in the first block; a third block is fixed to the second slide seat; a digital display dial gauge and a digital display depth gauge are respectively fixed in the second slide block and the third slide block; and a taper top pin and a spring are installed in the second insert block through the bottom surface of the positioning plate. According to the utility model, by using the testing fixture, the dimension of a slide rail part can be rapidly detected in a production field, the product qualified rate is improved, the production efficiency is improved, and the equipment maintenance cost is reduced.

Description

A Checking Tool for High-Precision Detecting the Size of Slide Rail

technical field

The utility model relates to a checking tool, in particular to a checking tool for detecting the size of a slide rail with high precision.

Background technique

With the rapid development and intensified competition of the domestic automobile industry, the requirements for the quality of the complete vehicle are constantly improving. At present, special inspection fixtures or fixtures are used as the main detection means for general auto parts to control the product quality between parts. Therefore, special inspection fixtures with convenient operation and higher detection accuracy are designed and manufactured. It is very important.

For example: the slide rail on the car seat has high requirements on dimensional accuracy. In order to meet the installation position and dimensional accuracy of a single slide rail part on the whole vehicle to meet the requirements of mass production and interchangeability, it is required to develop an easy-to-operate , The special high-precision inspection tool with high detection accuracy detects the size of the slide rail. The general structure of the existing inspection tool for detecting the size of the slide rail on the car seat is composed of a base, a detection body, a detection block, a reference block, a detection pin, and a presser hand. This simple structure of the inspection tool cannot meet the requirements of the slide rail parts. The requirements for detection accuracy still have the following defects: first, the size of the slide rail parts cannot be quickly detected on the production site; second, the slide rail parts on the production site must rely on CMM three-coordinate measurement; third, the on-site personnel cannot perform repeated inspections on the slide rail parts , make a self-inspection report; Fourth, in the production process, the slide rail parts often have deviations due to the detection size, so repeated measurements seriously affect the production efficiency, and cause considerable trouble for the production personnel to accurately judge qualified parts. At the same time, the production line It is also impossible to stop the punching machine due to the problem of the detection size of the slide rail parts, resulting in a decrease in staff emptiness and equipment utilization, which increases the cost.

Contents of the invention

The purpose of the utility model is to provide a high-precision inspection tool for detecting the size of slide rails. The inspection tool can overcome the defects of the prior art, improve the detection speed, and improve the detection accuracy.

In order to solve the above technical problems, the technical solution adopted by the utility model is: a high-precision inspection tool for detecting the size of the slide rail, the inspection tool includes a detection body, a detection part, a positioning part, a pressing hand part, and a positioning part and a pressing hand part The sliding parts between them are characterized in that the detection body includes a positioning plate, a first insert, a second insert, a backing plate and a backing post; the detection parts include a standard insert, a first stop block , the second stop block, the third stop block, the digital display dial indicator and the digital display depth gauge; the positioning part includes a taper ejector pin and a spring; the pressing hand part includes a pressing hand and a pressing plate; The sliding parts include the first slider, the second slider, the first slider, the second slider, the third slider and the guide shaft; the pad column, the first insert, the second insert, the first The slider, the second slider, the first slider, the second slider, and the standard insert are fixed on the inner side of the positioning plate; the backing plate is pressed and fixed on the outer side of the positioning plate; the guide shaft is installed In the first slider; the third slider is fixed in the second slider; the digital dial indicator and the digital depth gauge are respectively fixed in the second slider and the third slider; the The above-mentioned tapered ejector pin and spring are installed in the second insert through the bottom surface of the positioning plate.

Preferably: the pad column, the first insert, the second insert, the first slide, the second slide, the first slide, the second slide, and the standard insert are all fixed on the positioning plate by screws on the inside.

Preferably: the backing plate is fixed on the outer side of the positioning plate by screws.

Preferably: the guide shaft is fixedly installed in the first slider with screws.

The beneficial effects of the utility model are: the parts of the inspection tool are fixed together by screws, which is convenient for disassembly, and makes the detection of slide rail parts easier, so as to meet the requirements of mass production and interchangeability, so that the production site can quickly detect slide rails Part size; through the digital display dial gauge and digital display depth gauge, the on-site slide rail parts do not need to rely on CMM three-coordinate measurement, and the on-site personnel can perform repeated inspections on the slide rail parts and make self-inspection reports; the production line does not have to inspect the slide rail parts The size problem stops the punching machine, resulting in staff emptiness and a decrease in equipment utilization; the inspection tool improves production efficiency; improves the utilization rate of punching equipment; reduces equipment maintenance costs.

Description of drawings

Fig. 1, the front view of the utility model structure;

Fig. 2, the right side view of structure of the present utility model;

Fig. 3, the bottom view of the utility model structure.

Detailed ways

The specific implementation of the present utility model will be further described in detail below in conjunction with the accompanying drawings and preferred solutions.

Combined with accompanying drawings 1, 2 and 3, it is a structural schematic diagram of the present utility model, a checking tool for detecting the size of a slide rail with high precision, and the checking tool specifically includes a testing body, testing parts, positioning parts, pressing hand parts and sliding rails. Parts; the detection body includes a positioning plate 10, a first insert 16, a second insert 17, a backing plate 19 and a backing column 20; the detection parts include a standard insert 5, a first stop block 1, The second stop block 2, the third stop block 3, the digital display dial gauge 21 and the digital display depth gauge 22; the positioning parts include the taper pin 4 and the spring 6; the pressing hand parts include the pressing hand 24 and pressing plate 23; The sliding part includes the first slide block 11, the second slide block 14, the first slide block 12, the second slide block 13, the third slide block 15 and the guide shaft 18; the pad column 20. The first insert 16, the second insert 17, the first slider 12, the second slider 13, the first slide 11, the second slide 14, and the standard insert 5 are fixed on the inner side of the positioning plate 10 The backing plate 19 is pressed and fixed on the outside of the positioning plate 10; the guide shaft 18 is installed in the first slider 12; the third slider 15 is fixed in the second slider 14; The digital display dial indicator 21 and the digital display depth gauge 22 are fixed in the second slide block 13 and the third slide block 15 respectively; Inside the insert 17.

Embodiment: The pad column 20, the first insert 16, the second insert 17, the first slider 12, the second slider 13, the first slider 11, the second slider 14, The standard inserts 5 are fixed on the inner side of the positioning plate 10 by screws; the backing plate 19 is fixed on the outer side of the positioning plate 10 by screw compression; the guide shaft 18 is installed on the first slider 12 by screws Inside; the third slider 15 is fixed in the second slider 14 by screws; the digital display dial indicator 21 and the digital depth gauge 22 are respectively fixed on the second slider 13 and the third slider by screws In the block 15; the taper push pin 4 and the spring 6 are screwed through the bottom surface of the bit plate and installed in the second insert 17.

Working principle: first prepare the slide rail parts to be inspected, after the inspection tool is assembled, galvanized, sent to precision inspection, and coated with anti-rust oil; Significant depth ruler 22 returns to zero with the standard insert block 5 effect of parts, and workpiece is pasted on the round pin surface, compresses slide rail parts. The digital display dial indicator 21 slides along the second sliding seat 14 to read the stopwatch size respectively, and judges whether the slide rail parts are qualified according to the product drawing. The digital display depth gauge 22 slides along the guide shaft 18 to read the stopwatch size respectively, and judge whether the size of the slide rail parts is qualified according to the product drawing (stopwatch size≤+/-0.25, ≤+/-0.1).

The inspection tool can quickly detect the size of the slide rail parts, thereby improving production efficiency, improving the pass rate of products, and reducing costs.

Claims (7)

1. high precision detects a cubing for slide rail size, comprises and detects main body, detection part, locating element, pressure hand part and sliding part; It is characterized in that: described detection main body comprises that location-plate (10), first is inserted (16), second inserted (7), backing plate (19) and pad post (20); Described detection part comprises that standard is inserted (5), the first stop-pass piece (1), the second stop-pass piece (2), the 3rd stop-pass piece (3), digital display dial gauge (21) and digital display pit gauge (22); Described locating element comprises tapering ejector pin (4) and spring (6); Described pressure hand part comprises presses hand (24) and pressing plate (23); Described sliding part comprises the first slide (11), the second slide (14), the first slide block (12), the second slide block (13), the 3rd slide block (15) and the axis of guide (18); Described pad post (20), first inserts (16), second insert (17), the first slide block (12), the second slide block (13), the first slide (11), the second slide (14), standard are inserted, and (5) are fixed on the inner side of location-plate (10); Described backing plate (19) is pressed abd fixed on the outside of location-plate (10); The described axis of guide (18) is arranged in the first slide block (12); The 3rd described slide block (15) is fixed in the second slide (14); Described digital display dial gauge (21) and digital display pit gauge (22) are separately fixed in the second slide block (13) and the 3rd slide block (15); Described tapering ejector pin (4) and spring (6) are arranged on second by the bottom surface of location-plate and insert in (17).

2. high precision according to claim 1 detects the cubing of slide rail size, it is characterized in that: described pad post (20), first inserts (16), second insert (17), the first slide block (12), the second slide block (13), the first slide (11), the second slide (14), standard are inserted, and (5) are screwed on the inner side of location-plate (10).

3. high precision according to claim 1 detects the cubing of slide rail size, it is characterized in that: described backing plate (19) is pressed abd fixed on the outside of location-plate (10) by screw.

4. high precision according to claim 1 detects the cubing of slide rail size, it is characterized in that: the described axis of guide (18) is arranged in the first slide block (12) by screw.

5. high precision according to claim 1 detects the cubing of slide rail size, it is characterized in that: the 3rd described slide block (15) is screwed in the second slide (14).

6. high precision according to claim 1 detects the cubing of slide rail size, it is characterized in that: described digital display dial gauge (21) and digital display pit gauge (22) are screwed in respectively in the second slide block (13) and the 3rd slide block (15).

7. high precision according to claim 1 detects the cubing of slide rail size, it is characterized in that: described tapering ejector pin (4) and spring (6) screw are arranged on second by the bottom surface of location-plate and insert in (17).