CN216247062U

CN216247062U - Flywheel casing detection device

Info

Publication number: CN216247062U
Application number: CN202122789849.XU
Authority: CN
Inventors: 任玮嘉; 翟新宇; 王柏山; 张明哲
Original assignee: Jilin Dahua Machine Manufacturing Co ltd
Current assignee: Jilin Dahua Machine Manufacturing Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-04-08
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses a flywheel casing detection device, which relates to the field of flywheel casing processing and comprises a rack, a moving assembly, a plugging assembly and a detection assembly, wherein the moving assembly, the plugging assembly and the detection assembly are arranged on the rack, a flywheel casing is placed on the moving assembly and is brought to the position below the plugging assembly, the plugging assembly is pressed on the surface of the flywheel casing and is inflated to plug a through hole of the flywheel casing, and the detection assembly is arranged on the moving assembly and is used for detecting the air tightness of the flywheel casing. The utility model effectively avoids air leakage when the flywheel housing is detected and avoids damage to the flywheel housing.

Description

Flywheel casing detection device

Technical Field

The utility model relates to the field of flywheel shell machining, in particular to a flywheel shell detection device.

Background

The flywheel shell is an external protective shell arranged between an engine and a gearbox of an automobile, is externally connected with a crankcase, a starter and an oil pan and is mainly used for installing a flywheel assembly, plays the roles of connecting a machine body, protecting and serving as a carrier, and has the main function of realizing the effective connection of the engine and a transmission, and the flywheel shell needs to be placed by stacking after being processed.

At present, the gas tightness detection device of bell housing includes air supply, workstation and sets up end cap and the driving piece in the workstation top, and general end cap is including guide frustum and butt sealing portion, and the end cap is general softer. During detection, the driving piece drives the plug to descend, in order to ensure the sealing property, the abutting sealing part of the plug is larger than the hole, the plug is in interference fit with the hole, then air is supplied into the flywheel shell through an air source, and the quality of air tightness is judged through pressure change in a period of time after air supply; after detecting the completion, because the interference fit in end cap and hole, when the end cap rose or when descending, the end cap all can produce pressure to the through-hole of bell housing, because bell housing through-hole department is comparatively, drags or presses the through-hole of bell housing, all can influence the performance of bell housing, can cause bell housing through-hole department to produce the crack even, because of the performance of bell housing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flywheel casing detection device, which solves the problems that when a plug is in interference fit with a hole, the plug can generate pressure on a through hole of a flywheel casing when the plug rises or falls, and the performance of the flywheel casing is influenced by pulling or pressing the through hole of the flywheel casing due to the fact that the through hole of the flywheel casing is relatively large, even cracks are generated at the through hole of the flywheel casing, and the performance of the flywheel casing is influenced.

The utility model provides a flywheel casing detection device, includes frame, setting removal subassembly, shutoff subassembly and the determine module in the frame, remove the below of placing the flywheel casing on the subassembly and taking the flywheel casing to the shutoff subassembly, the shutoff subassembly presses the surface of flywheel casing and aerifys and carry out the shutoff to the through-hole of flywheel casing, the determine module sets up on removing the subassembly and detects the gas tightness of flywheel casing.

Preferably, the shutoff subassembly includes shutoff cylinder, support frame and shutoff gasbag, the support frame is established the top of removal subassembly just the top of support frame is equipped with the shutoff cylinder, the expansion end cover of shutoff cylinder is equipped with the clamp plate, the bottom of clamp plate is equipped with the shutoff head that corresponds the bell housing through-hole, the surface coating of shutoff head has the shutoff gasbag just the inner wall at the bell housing through-hole is pasted after the shutoff gasbag is aerifyd.

Preferably, the removal subassembly includes movable guide and testing platform, movable guide fixes the top of frame just movable end fixedly connected with of movable guide detection platform, testing platform's surface is equipped with annular gasbag just testing platform's middle part is opened there is the air inlet, the middle part of annular gasbag is equipped with the spacing groove of placing flywheel casing outward flange just annular gasbag with shutoff gasbag intercommunication.

Preferably, an air pump is arranged at the bottom of the frame, an air outlet of the air pump is communicated with an air pipe I and an air pipe II, the air pipe I is communicated with the air inlet, and the air pipe II is communicated with the annular air bag.

Preferably, the detection assembly comprises an air pressure sensor and a display screen, the air pressure sensor is arranged at the middle of the detection platform, the detection platform is further provided with the display screen, and the air pressure sensor is electrically connected with the display screen.

The utility model has the following advantages:

the utility model is provided with a moving component and a plugging component, a worker firstly buckles a flywheel casing in a limit groove of an annular air bag in an inverted manner, then the moving component drives the flywheel casing to move to the lower part of the plugging component, a plugging cylinder drives a plugging head and a pressing plate to move downwards and press the surface of the flywheel casing, the pressing plate presses the surface of the flywheel casing to prevent the flywheel casing from moving during inflation detection, the plugging head moves into a through hole of the flywheel casing, an air pump is used for inflating the annular air bag and the plugging air bag, the annular air bag is wrapped on the inner wall and the outer wall of the flywheel casing after being inflated to fill the uneven part of the flywheel casing, air leakage is not easy to occur, the plugging air bag is attached to the inner wall of the through hole of the flywheel casing after being inflated to prevent the flywheel casing from being pressed and damage to the flywheel casing, then air is ventilated between the flywheel casing and a detection platform through an air inlet hole to detect the air tightness of the flywheel casing, and when the flywheel casing is subsequently replaced, the blocking air bag and the annular air bag are deflated, so that the blocking air bag can be quickly separated from the flywheel shell, the flywheel shell cannot be damaged, and the flywheel shell cannot be pulled.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic structural diagram of the testing platform with the structure shown in FIG. 1.

FIG. 3 is a schematic view of the platen of the structure shown in FIG. 1;

fig. 4 is a schematic structural diagram of a flywheel housing in the prior art.

The labels in the figures are:

1. a frame; 11. an air pump; 12. a first trachea; 13. a second trachea;

2. a moving assembly; 21. a moving guide rail; 22. a detection platform; 23. an air inlet; 24. an annular air bag; 25. a limiting groove;

3. a plugging component; 31. a support frame; 32. plugging the air cylinder; 33. pressing a plate; 34. plugging a plug; 35. plugging air bag

4. A detection component; 41. an air pressure sensor; 42. a display screen.

5. A flywheel housing.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a more complete, accurate and thorough understanding of the inventive concept and technical solution of the present invention by those skilled in the art.

As shown in fig. 1-3, the utility model provides a flywheel housing detection device, which comprises a rack 1, a moving assembly 2 arranged on the rack 1, a blocking assembly 3 and a detection assembly 4, wherein a flywheel housing 5 is placed on the moving assembly 2, the flywheel housing 5 is brought to the lower part of the blocking assembly 3, the blocking assembly 3 is pressed on the surface of the flywheel housing 5 and is inflated to block a through hole of the flywheel housing 5, and the detection assembly 4 is arranged on the moving assembly 2 and detects the air tightness of the flywheel housing 5.

The plugging component 3 includes plugging cylinder 32, support frame 31 and plugging air bag 35, the support frame 31 is established the top of moving the subassembly 2 just the top of support frame 31 is equipped with plugging cylinder 32, the expansion end cover of plugging cylinder 32 is equipped with clamp plate 33, the bottom of clamp plate 33 is equipped with the plugging head 34 that corresponds 5 through-holes of flywheel casing, the surface coating of plugging head 34 has plugging air bag 35 just the inner wall of pasting at 5 through-holes of flywheel casing after plugging air bag 35 aerifys.

Be provided with three through-hole on the flywheel casing 5 as shown in fig. 4, so also can set up three shutoff head 34 as shown in fig. 3 in the bottom of clamp plate 33, and the shutoff gasbag 35 that sets up on three shutoff head 34 all passes through the pipeline intercommunication, after flywheel casing 5 moved the below of support frame 31, shutoff cylinder 32 drove clamp plate 33 and moves down and presses on the surface of flywheel casing, avoid flywheel casing 5 to remove when detecting, shutoff head 34 moves in the through-hole of flywheel casing 5, the shutoff gasbag 35 pastes the inner wall at flywheel casing 5 through-hole after aerifing, can block up the through-hole fast like this, avoid gas leakage on the one hand, also can not cause the too big pressure of flywheel casing 5 on the other hand.

Remove subassembly 2 including moving guide 21 and testing platform 22, moving guide 21 fixes the top of frame 1 just moving guide 21's expansion end fixedly connected with testing platform 22, testing platform 22's surface is equipped with annular gasbag 24 just testing platform 22's middle part is opened has air inlet 23, the middle part of annular gasbag 24 is equipped with the spacing groove 25 of placing 5 outward flanges of flywheel casing just annular gasbag 24 with shutoff gasbag 35 communicates.

Under initial condition, moving guide 21 drives testing platform 22 and keeps away from support frame 31, the staff places flywheel casing 5 on

testing platform

22, and 5 outward flanges of flywheel casing set up in annular gasbag 24's spacing groove 25, then utilize moving guide 21 to drive testing platform 22 and move the below of shutoff subassembly 3, clamp plate 33 pushes down behind flywheel casing 5, make annular gasbag 24 aerify, can make the inner wall and the outer wall of spacing groove 25 extrude respectively at the inner wall and the outer wall of flywheel casing 5, reduce the clearance between flywheel casing 5 and the annular gasbag 24, can avoid flywheel casing 5 gas leakage when detecting, annular gasbag 24 and shutoff gasbag 35 intercommunication, can aerify simultaneously. The inflation efficiency is accelerated.

An air pump 11 is arranged at the bottom of the rack 1, an air outlet of the air pump 11 is communicated with an air pipe I12 and an air pipe II 13, the air pipe I12 is communicated with the air inlet 23, and the air pipe II 13 is communicated with the annular air bag 24.

The air pump 11 is used for conveying air to the first air pipe 12 and the second air pipe 13, the first air pipe 12 is communicated with the air inlet 23, air can be injected into the flywheel housing 5 through the air inlet 23 in the subsequent detection, the air tightness is detected, a valve can be arranged on the first air pipe 12, the valve is opened in the detection process, the valve is closed in the non-detection process, and the second air pipe 13 is used for inflating the annular air bag 24 and the blocking air bag 35 to play a role in blocking the flywheel housing 5.

The detecting component 4 comprises an air pressure sensor 41 and a display screen 42, the air pressure sensor 41 is arranged at the middle part of the detecting platform 22, the detecting platform 22 is also provided with the display screen 42, and the air pressure sensor 41 is electrically connected with the display screen 42.

The model of the air pressure sensor 41 can be selected as JC351, after the flywheel housing 5 is sealed, the air pressure sensor 41 can be used for detecting the change of the air pressure, and the numerical value is displayed on the display screen 42, if the air pressure is gradually reduced, the air tightness of the flywheel housing 5 is poor, and if the air pressure is not changed, the air tightness of the flywheel housing 5 is good.

The working principle is as follows: in an initial state, the movable guide rail 21 drives the detection platform 22 to be far away from the support frame 31, a worker places the flywheel housing 5 on the detection platform 22, the outer edge of the flywheel housing 5 is arranged in the limit groove 25 of the annular air bag 24, then the movable guide rail 21 drives the detection platform 22 to move to the position below the plugging component 3, after the pressure plate 33 presses the flywheel housing 5, the plugging head 34 moves into the through hole of the flywheel housing 5, then the air pump 11 works, the annular air bag 24 and the plugging air bag 35 are inflated by means of the air pipe two 13, the inner wall and the outer wall of the limit groove 25 can be respectively extruded on the inner wall and the outer wall of the flywheel housing 5 by the annular air bag 24, the gap between the flywheel housing 5 and the annular air bag 24 is reduced, the air leakage of the flywheel housing 5 during detection can be avoided, the plugging air bag 35 is attached to the inner wall of the through hole of the flywheel housing 5 after being inflated, so that the through hole can be quickly plugged, and the pressing of the flywheel housing 5 can be avoided, avoid causing the damage to flywheel casing 5, then ventilate to between flywheel casing 5 and the testing platform 22 through air inlet 23 again, detect the gas tightness of flywheel casing 5, when follow-up change flywheel casing 5, shutoff gasbag 35 and annular gasbag 24 are lost heart, can break away from flywheel casing 5 fast, also can not cause the damage to flywheel casing 5, can not cause to drag flywheel casing 5.

The present invention has been described in connection with the accompanying drawings, and it is to be understood that the utility model is not limited to the specific embodiments disclosed, but is intended to cover various insubstantial modifications of the inventive concepts and solutions disclosed herein, or other applications in which the inventive concepts and solutions are directly applicable without such modifications, and is within the scope of the utility model.

Claims

1. A flywheel casing detection device which characterized in that: including frame (1), setting removal subassembly (2), shutoff subassembly (3) and determine module (4) in frame (1), place flywheel casing (5) and take flywheel casing (5) to the below of shutoff subassembly (3) on removing subassembly (2), shutoff subassembly (3) are pressed on the surface of flywheel casing (5) and are aerifyd and carry out the shutoff to the through-hole of flywheel casing (5), determine module (4) set up on removing subassembly (2) and detect the gas tightness of flywheel casing (5).

2. The flywheel housing detection apparatus of claim 1, wherein: plugging component (3) are including shutoff cylinder (32), support frame (31) and shutoff gasbag (35), establish support frame (31) the top of removing subassembly (2) just the top of support frame (31) is equipped with shutoff cylinder (32), the expansion end cover of shutoff cylinder (32) is equipped with clamp plate (33), the bottom of clamp plate (33) is equipped with shutoff head (34) that corresponds flywheel shell (5) through-hole, the surface coating of shutoff head (34) has shutoff gasbag (35) just paste the inner wall at flywheel shell (5) through-hole after shutoff gasbag (35) are aerifyd.

3. The flywheel housing detection apparatus of claim 2, wherein: remove subassembly (2) including moving guide (21) and testing platform (22), moving guide (21) are fixed the top of frame (1) just the expansion end fixedly connected with of moving guide (21) testing platform (22), the surface of testing platform (22) is equipped with annular gasbag (24) just open at the middle part of testing platform (22) has air inlet (23), the middle part of annular gasbag (24) is equipped with spacing groove (25) of placing flywheel housing (5) outward flange just annular gasbag (24) with shutoff gasbag (35) intercommunication.

4. A flywheel housing detection apparatus according to claim 3, wherein: the air pump (11) is arranged at the bottom of the rack (1), an air outlet of the air pump (11) is communicated with a first air pipe (12) and a second air pipe (13), the first air pipe (12) is communicated with the air inlet (23), and the second air pipe (13) is communicated with the annular air bag (24).

5. A flywheel housing detection apparatus according to claim 3, wherein: detection element (4) include baroceptor (41) and display screen (42), baroceptor (41) are established the middle part of testing platform (22) just testing platform (22) still are equipped with display screen (42), baroceptor (41) with display screen (42) electric connection.