阅读说明：本技术 一种汽车发动机裙架气密性检测设备 (Automobile engine skirt frame gas tightness check out test set ) 是由 肖凯 于 2021-08-30 设计创作，主要内容包括：本发明公开了一种汽车发动机裙架气密性检测设备,包括操作箱体,操作箱体内设置有支撑架,支撑架包括第一支撑板、第二支撑板,第一支撑板与第二支撑板通过支柱连接,第一支撑板设置有气密性检测装置,第二支撑板设置夹紧定位装置,气密性检测装置可沿支柱上下滑动。本发明的有益效果：既能检测汽车发动机裙架的腔体气密性检测,又能对裙架的油管隔层清理情况进行检测,结构简单,效果明显。(The invention discloses an automobile engine skirt rack air tightness detection device which comprises an operation box body, wherein a support frame is arranged in the operation box body, the support frame comprises a first support plate and a second support plate, the first support plate and the second support plate are connected through a support column, the first support plate is provided with an air tightness detection device, the second support plate is provided with a clamping and positioning device, and the air tightness detection device can slide up and down along the support column. The invention has the beneficial effects that: can detect the cavity gas tightness detection of automobile engine skirt frame, can detect the oil pipe interlayer clearance condition of skirt frame again, simple structure, the effect is obvious.)

1. The utility model provides an automobile engine skirt frame gas tightness check out test set, includes operation box (1), be provided with support frame (2) in operation box (1), support frame (2) include first backup pad (3), second backup pad (4), first backup pad (3) with second backup pad (4) are connected its characterized in that through pillar (5): the first supporting plate (3) is provided with an air tightness detection device (6), the second supporting plate (4) is provided with a clamping and positioning device (7), and the air tightness detection device (6) can slide up and down along the support column (5);

the tightness detection means (6) comprise a third support plate (6-1) sliding along the support (5) between the first support plate (3) and the second support plate (4), the third supporting plate (6-1) is connected with push rods of a plurality of cylinders of the first supporting plate (3), a placing plate (6-2) and a plurality of fixing rods (6-3) are arranged on the third supporting plate (6-1), the placing plate (6-2) is connected with the third supporting plate (6-1) through a connecting rod, the placing plate (6-2) is provided with a filling block (6-4), an oil pipe air inlet (6-5), a cavity air inlet (6-6) and a pressure sensor (6-7), the fixing rod (6-3) is connected with the third supporting plate (6-1) through an elastic piece (6-8);

the clamping and positioning device (7) comprises a sliding rail (7-1), a first guide rail cylinder (7-2), a second guide rail cylinder (7-3) and a plurality of positioning pin bases (7-4) which are arranged on the supporting frame (2), the first guide rail cylinder (7-2) and the second guide rail cylinder (7-3) are symmetrically arranged on two sides of the sliding rail (7-1) and push heads of the first guide rail cylinder and the second guide rail cylinder are opposite to each other, a positioning table (7-5) is arranged on the sliding rail (7-1) in a sliding manner, a first positioning pin (7-6) used for positioning the positioning table (7-5) in a sliding manner is arranged on each positioning pin base (7-4), a first positioning part (7-7) and a second positioning part (7-11) are arranged on each positioning table (7-5), and a plurality of second positioning pins (7-8) of positioning skirts are arranged on each positioning table (7-5), the first positioning part (7-7) corresponds to a push head of the first guide rail cylinder (7-2), the push head of the second guide rail cylinder (7-3) can be matched with a positioning groove (7-8) on the positioning table (7-5), the positioning table (7-5) is provided with a first oil pipe air vent (7-9) and a second oil pipe air vent (7-10), and the first oil pipe air vent (7-9) is connected with the second oil pipe air vent (7-10) through a pipeline positioned in the positioning table (7-5).

2. The apparatus for detecting airtightness of an automobile engine skirt according to claim 1, wherein: the positioning table (7-5) and the pushing head of the first guide rail cylinder (7-2) are both provided with a hollowed-out ring belt, the hollowed-out ring belt on the positioning table (7-5) and the hollowed-out ring belt on the pushing head of the first guide rail cylinder (7-2) can be spliced into a complete hollowed-out ring belt, and a rubber sealing ring is filled in the hollowed-out ring belt.

3. The apparatus for detecting airtightness of an automobile engine skirt according to claim 1, wherein: the third supporting plate (6-1) is provided with a plurality of limiting rods (8), and the limiting rods (8) correspond to the limiting parts (9) on the second supporting plate (4).

4. The apparatus for detecting airtightness of an automobile engine skirt according to claim 1, wherein: and the positioning table (7-5) is provided with a limiting block (10) for limiting the skirt frame and a handle (11) convenient to pull.

5. The apparatus for detecting airtightness of an automobile engine skirt according to claim 1, wherein: a closed cavity is formed among the filling block (6-4), the placing plate (6-2) and the skirt rack.

Technical Field

The invention relates to automobile engine skirt rack air tightness detection equipment, and particularly belongs to the field of automobile parts.

Background

The function of the engine skirt is to close the crankcase and act as part of the sump, as well as to prevent impurities from entering the crankcase and to collect and channel lubricating oil that flows back from the various friction surfaces of the engine. In order to prevent the die-casting interlayer from being cleaned in a leakage mode, a mistake proofing step is added in the subsequent leakage testing process.

The general mistake proofing adopts the physics mistake proofing, increases the mistake proofing piece on anchor clamps, and this mistake proofing piece corresponds every skirt frame, and when the clearance was leaked to the product interlayer, the product can't be put in place, and equipment induction system reports to the police, prevents to leak the clearance. However, the cleaning method is complicated in operation and cannot be used quickly, and the detection of the interlayer cannot be complete due to the crude structure.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the automobile engine skirt air tightness detection equipment, which realizes the quick and accurate detection of the air tightness of the automobile engine skirt and solves the quick cleaning detection of the oil pipe interlayer of the automobile engine skirt.

In order to achieve the purpose, the technical scheme of the invention is as follows: the air tightness detection device comprises an operation box body, wherein a support frame is arranged in the operation box body, the support frame comprises a first support plate and a second support plate, the first support plate and the second support plate are connected through a support column, the first support plate is provided with an air tightness detection device, the second support plate is provided with a clamping and positioning device, and the air tightness detection device can slide up and down along the support column;

the air tightness detection device comprises a third support plate which is arranged between the first support plate and the second support plate and slides along the support column, the third support plate is connected with push rods of a plurality of air cylinders of the first support plate, a placing plate and a plurality of fixing rods are arranged on the third support plate, the placing plate is connected with the third support plate through a connecting rod, a filling block, an oil pipe air inlet, a cavity air inlet and a pressure sensor are arranged on the placing plate, and the fixing rods are connected with the third support plate through elastic pieces;

the clamping and positioning device comprises a slide rail arranged on the support frame, a first guide rail cylinder, a second guide rail cylinder and a plurality of positioning pin bases, the first guide rail cylinder and the second guide rail cylinder are symmetrically arranged on two sides of the slide rail, two pushing heads are opposite, a positioning table is arranged on the slide rail in a sliding mode, a first positioning pin used for positioning the sliding positioning of the positioning table is arranged on the positioning pin bases, a first positioning part and a second positioning part are arranged on the positioning table, a second positioning pin of the plurality of positioning skirts is arranged on the positioning table, the first positioning part corresponds to the pushing heads of the first guide rail cylinder, the pushing heads of the second guide rail cylinder can be matched with positioning grooves on the positioning table, the positioning table is provided with a first oil pipe air vent and a second oil pipe air vent, and the first oil pipe air vent is connected with the second oil pipe air vent through a pipeline located inside the positioning table.

Furthermore, the positioning table and the pushing head of the first guide rail cylinder are both provided with a hollowed-out ring belt, the hollowed-out ring belt on the positioning table and the hollowed-out ring belt on the pushing head of the first guide rail cylinder can be spliced into a complete hollowed-out ring belt, and a rubber sealing ring is filled in the hollowed-out ring belt.

Furthermore, the third supporting plate is provided with a plurality of limiting rods, and the limiting rods correspond to the limiting parts on the second supporting plate.

Furthermore, a limiting block used for limiting the skirt rack and a handle convenient to pull are arranged on the positioning table.

Furthermore, a closed cavity is formed among the filling block, the placing plate and the skirt rack.

The invention has the beneficial effects that: can detect the cavity gas tightness detection of automobile engine skirt frame, can detect the oil pipe interlayer clearance condition of skirt frame again, simple structure, the effect is obvious.

Drawings

FIG. 1 is a front view of the clamp of the present invention.

Fig. 2 is a schematic view of an engine skirt work piece of the present invention.

FIG. 3 is a schematic view of the air tightness detecting device of the present invention.

FIG. 4 is a schematic view of the clamping and positioning device of the present invention.

In the attached drawings, 1-an operation box body; 2-a support frame; 3-a first support plate; 4-a second support plate; 5-a pillar; 6-air tightness detection device; 6-1-a third support plate; 6-2-placing a plate; 6-3-fixing rod; 6-4-filling blocks; 6-5-oil pipe air inlet; 6-6-cavity air inlet; 6-7-pressure sensor; 6-8-an elastic member; 7-clamping and positioning means; 7-1-sliding rail; 7-2-a first rail cylinder; 7-3-a second guide rail cylinder; 7-4-positioning pin seat; 7-5-a positioning table; 7-6-a first locator pin; 7-7-a first positioning portion; 7-8-positioning grooves; 7-9-first tubing vent; 7-10-second tubing vent; 7-11-a second location portion; 8-a limiting rod; 9-a limiting member; 10-a limiting block.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments and the accompanying drawings.

As shown in fig. 1-4, the invention discloses an automobile engine skirt rack airtightness detection device, which comprises an operation box body 1, wherein various instruments and operation buttons are arranged on the operation box body 1 to facilitate operation and control, a support frame 2 is arranged in the operation box body 1, the support frame 2 comprises a first support plate 3 and a second support plate 4, the first support plate 3 is connected with the second support plate 4 through a support column 5, the first support plate 3 is provided with an airtightness detection device 6, the second support plate 4 is provided with a clamping and positioning device 7, and the airtightness detection device 6 can slide up and down along the support column 5;

the air tightness detection device 6 comprises a third support plate 6-1 which is arranged between a first support plate 3 and a second support plate 4 and slides along a support column 5, the third support plate 6-1 is connected with push rods of a plurality of cylinders of the first support plate 3 and is powered by the push rods, a placing plate 6-2 and a plurality of fixing rods 6-3 are arranged on the third support plate 6-1, the fixing rods 6-3 tightly press an engine skirt frame downwards along with the third support plate 6-1 to fix the engine skirt frame, the placing plate 6-2 is connected with the third support plate 6-1 through a connecting rod, a filling block 6-4, an oil pipe air inlet 6-5, a cavity air inlet 6-6 and a pressure sensor 6-7 are arranged on the placing plate 6-2, the fixing rods 6-3 are connected with the third support plate 6-1 through elastic parts 6-8, the buffer force can be more gentle at the moment when the buffer device moves downwards to stop;

the clamping and positioning device 7 comprises a slide rail 7-1 arranged on the support frame 2, a first guide rail cylinder 7-2, a second guide rail cylinder 7-3 and a plurality of positioning pin seats 7-4, the first guide rail cylinder 7-2 and the second guide rail cylinder 7-3 are symmetrically arranged on two sides of the slide rail 7-1, the pushing heads are opposite in pairs, a positioning table 7-5 is arranged on the slide rail 7-1 in a sliding mode, the positioning table 7-5 can slide out of the operation box body 1 to put the skirt frame on the skirt frame and then push the skirt frame into the operation box body 1, a first positioning pin 7-6 used for sliding and positioning the positioning table 7-5 is arranged on the positioning pin seat 7-4, and the first positioning pin 7-6 can also be used for plugging certain holes of the skirt frame so as to facilitate detection of air tightness. The positioning table 7-5 is provided with a first positioning part 7-7 and a second positioning part 7-11, the positioning table 7-5 is provided with a plurality of second positioning pins 7-8 for positioning the skirt rack, the first positioning part 7-7 corresponds to the push head of the first guide rail cylinder 7-2, the push head of the second guide rail cylinder 7-3 can be matched with the positioning grooves 7-8 on the positioning table 7-5, the positioning table 7-5 is provided with a first oil pipe vent 7-9 and a second oil pipe vent 7-10, and the first oil pipe vent 7-9 is connected with the second oil pipe vent 7-10 through a pipeline positioned in the positioning table 7-5.

The positioning table 7-5 and the pushing head of the first guide rail cylinder 7-2 are both provided with a hollow ring belt, the hollow ring belt on the positioning table 7-5 and the hollow ring belt on the pushing head of the first guide rail cylinder 7-2 can be spliced into a complete hollow ring belt, and the hollow ring belt is filled with a rubber sealing ring for increasing the accuracy of air tightness detection.

The third supporting plate 6-1 is provided with a plurality of limiting rods 8, the limiting rods 8 correspond to the limiting parts 9 on the second supporting plate 4, the placing plate 6-2 is prevented from excessively moving downwards, and the workpiece is protected from being damaged.

The positioning table 7-5 is provided with a limiting block 10 for limiting the skirt frame and a handle 11 convenient to pull, the positioning table 7-5 is two layers which are overlapped up and down, the positioning table 7-5 is fixed by the handle 11, and the internal pipeline is positioned in the positioning table 7-5 on the lower side.

The filling block 6-4, the placing plate 6-2 and the skirt rack form a closed cavity, and the cavity is moderate in size, so that the entering gas does not need to be too much, and enough space is provided for the pressure sensor 6-7 to have sufficient reaction time.

In summary, in the specific embodiment, after the placing plate 6-2 moves downward to form the cavity, selective deflation can be performed according to different purposes, for example, when the cleaning condition of the partition inside the oil pipeline is detected, the air can be independently admitted through the oil pipe air inlet 6-5, then the air can reach the second oil pipe air inlet 7-10 through the first oil pipe air vent 7-9 and the pipeline inside the positioning table 7-5 to reach the pressure sensor 6-7, the cleaning condition of the partition inside is judged according to the data transmitted to the operation surface of the operation box body 1 by the pressure sensor 6-7, and the air can be independently admitted through the cavity air inlet 6-6, so as to directly detect how airtight the cavity, i.e., the whole periphery of the skirt of the automobile engine, is.

The first oil pipe air vent 7-9, the second oil pipe air vent 7-10 and the channel positioned in the positioning table 7-5 can enable the first oil pipe and the second oil pipe to be connected and simultaneously detect air tightness, and the working efficiency is greatly increased.

The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.