CN210198652U

CN210198652U - Aluminum head air tightness detection device

Info

Publication number: CN210198652U
Application number: CN202020194981.9U
Authority: CN
Inventors: Baochang Zhang; 张宝昌; Jianshe Chai; 柴建设; Huawei Gong; 龚华炜; Li Wang; 王丽
Original assignee: NINGBO CITY FRESH TECHNOLOGY Co Ltd
Current assignee: NINGBO CITY FRESH TECHNOLOGY Co Ltd
Priority date: 2020-02-22
Filing date: 2020-02-22
Publication date: 2020-03-27
Anticipated expiration: 2030-02-22

Abstract

The utility model relates to an aluminum head airtightness detection device, which comprises a frame, a clamping mechanism and a detection mechanism, wherein a lifting cylinder is fixedly connected at the side end of the frame, and a connecting plate is fixedly connected at the lower end of the lifting cylinder; the clamping mechanism comprises a detection table connected to one end of the connecting plate, a first air cylinder fixed on the upper side of the detection table, a second air cylinder fixed at two ends of the detection table, and a third air cylinder fixed at the rear end of the detection table and placed obliquely; the front ends of the first cylinder, the second cylinder and the third cylinder are fixedly connected with hole plugging heads, and sealing rings are embedded at the outer ends of the hole plugging heads; the detection mechanism comprises a detection pool fixed at one end of the frame and a gas injection assembly connected to the front end of the detection table in a sliding manner, and the gas injection assembly comprises a sliding block, a gas injection nozzle fixed at one end of the sliding block and a fixed part; the detection tank is filled with detection liquid. The utility model has the characteristics of the cost is lower, detect that the reliability is high, not fragile, convenient operation, be applicable to multiple work piece gas tightness detection.

Description

Aluminum head air tightness detection device

Technical Field

The utility model belongs to the technical field of the gas tightness detects and specifically relates to an aluminium head gas tightness detection device is related to.

Background

At present, the airtightness is an index reflecting the tightness of the device, and the quality of the airtightness of the device is related to whether the device has the defect of leakage. Therefore, for some devices with higher quality requirements, it is necessary to perform the airtightness detection before the production plant.

The prior patent grant publication number: CN207300512U "air tightness detection device" discloses an air tightness detection device, comprising: a gas injection assembly for injecting gas into the inner cavity; the air pressure detection piece is used for obtaining the air pressure generated by the air in the inner cavity; and the control piece is used for controlling the air pressure of the air injection assembly to reach the preset initial air pressure and detecting whether the air pressure of the inner cavity is lower than the initial air pressure after the preset time from the initial air pressure is reached. When the airtightness is detected, firstly, the control piece controls the gas injection assembly to inject gas into the inner cavity of the object to be detected until the gas pressure of the inner cavity reaches a preset initial gas pressure, after a preset time, when the control piece detects whether the gas pressure of the inner cavity is lower than the initial gas pressure, if so, the control piece obtains a detection result of abnormal airtightness; and if the air pressure is not lower than the initial air pressure, the control part obtains a detection result that the air tightness is normal.

The above prior art solutions have the following drawbacks: according to the scheme, whether the air tightness is good or not is determined by detecting the change of the air pressure through an instrument, and once the instrument for detecting the air tightness is damaged or insensitive, the construction period is delayed, so that economic loss is caused, and the development of enterprises is not facilitated.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a not fragile aluminium head gas tightness detection device.

The above object of the present invention can be achieved by the following technical solutions: the aluminum head air tightness detection device comprises a rack, a clamping mechanism and a detection mechanism, wherein a lifting cylinder is fixedly connected to the side end of the rack, and a connecting plate is fixedly connected to the lower end of the lifting cylinder; the clamping mechanism comprises a detection table connected to one end of the connecting plate, a first air cylinder fixed on the upper side of the detection table, second air cylinders fixed at two ends of the detection table, and a third air cylinder fixed at the rear end of the detection table and obliquely arranged; the front ends of the first cylinder, the second cylinder and the third cylinder are fixedly connected with hole plugging heads, and sealing rings are embedded at the outer ends of the hole plugging heads; the detection mechanism comprises a detection pool fixed at one end of the rack and a gas injection assembly connected to the front end of the detection table in a sliding manner, and the gas injection assembly comprises a sliding block, a gas injection nozzle fixed at one end of the sliding block and a fixed part; and the detection tank is filled with detection liquid.

By adopting the technical scheme, when the air tightness is detected, the connecting plate is firstly moved upwards by the lifting cylinder, the clamping mechanism is moved out from the detection pool, then the aluminum head to be detected is placed at the upper end of the detection table, the second cylinders at two sides of the detection table are driven, the front end of each second cylinder is butted against two ends of the aluminum head to be detected, meanwhile, the hole plugging heads are plugged into holes at two ends of the aluminum head to be detected and are sealed by the sealing rings, then, the first cylinder is driven, the front end of each first cylinder is butted against the upper end of the aluminum head to be detected, meanwhile, the hole plugging heads are plugged into the holes at the upper end of the aluminum head to be detected, the front end of each third cylinder which is obliquely placed is driven to be butted against one surface of the rear end of the aluminum head to be detected, the hole plugging heads are plugged into the holes at the rear end of the aluminum head to be detected, when all the holes of the aluminum, the gas injection subassembly that will detect the platform front end slides and fixes and wait to detect the aluminium head and remove on the inlet port of front end, then through the connecting plate that slides downwards for wait to detect the aluminium head and dip completely in the detection pond, aerify in to the aluminium head simultaneously, if there is the bubble on detecting the liquid surface and constantly emit, explain that the aluminium head gas tightness is not good, if detect the liquid surface and have no bubble to emit, then the aluminium head gas tightness is good. The scheme is very convenient to detect the air tightness of the aluminum head through a simple principle, and meanwhile, the equipment is low in cost, high in detection reliability and not easy to damage.

The utility model discloses further set up to: and a sealing rubber sheet is arranged on the upper end face of the detection table.

Through adopting above-mentioned technical scheme, when aluminium head or other wait to detect the hole on the work piece more, detect the platform and can place more than waiting to detect the work piece, also can seal waiting to detect the work piece through sealed film, this scheme has enlarged the scope that detects for more work pieces can all detect on this check out test set, and sealed film has increased and has waited to detect the firm degree between the work piece and the detection platform simultaneously, has improved the security.

The utility model discloses further set up to: the hole plugging head is connected to the front ends of the first cylinder, the second cylinder and the third cylinder through bolts.

Through adopting above-mentioned technical scheme, the front end of plugged hole head through threaded connection at first cylinder, second cylinder and third cylinder for the plugged hole head is when satisfying sealed requirement, and installation that can be very convenient is dismantled, and this scheme can be according to the detection work piece of difference, the random change size difference of different trompil sizes, and the plugged hole head that length is different has enlarged the scope that detects, and simultaneously, when the sealed quality of plugged hole head descends, can quick replacement, save time raises the efficiency.

The utility model discloses further set up to: the upper end of the detection table is fixedly connected with two parallel supporting plates, a plurality of groups of positioning holes are formed in the supporting plates, and the third air cylinder is rotatably connected in the positioning holes.

Through adopting above-mentioned technical scheme, when waiting to detect the work piece and possess the terminal surface of slope, connect in the locating hole through rotating the third cylinder, make the third cylinder can rotate its preceding terminal surface butt after the extension and wait to detect the slope terminal surface of work piece, if can not fine butt, can also rotate the third cylinder and be connected to in other group's locating holes, through adjusting again, make the third cylinder can be firmly wait to detect the work piece fixed, this scheme has enlarged the scope of detection, and simultaneously, the perpendicular butt of front end of third cylinder is waiting to detect the slope terminal surface of work piece, the stifled hole head of third cylinder front end can be better sealed.

The utility model discloses further set up to: the two ends of the detection table are provided with a plurality of groups of limiting holes, and the second cylinder is connected to the upper end of the detection table through bolts.

Through adopting above-mentioned technical scheme, the second cylinder that detects platform both ends can change the position through bolted connection's spacing hole, changes the position of itself, and this scheme has enlarged the scope that detects, and the volume when waiting to detect the work piece is some big or little, through removing fixed second cylinder, still can be with taking the fixed of detecting the work piece firmly, simultaneously, can also the fixed stay board on the spacing hole for detect the platform both ends and can be provided with the cylinder of slope equally.

The utility model discloses further set up to: the side end of the connecting plate is provided with a connecting transverse plate, and the detection table is connected to the upper end face of the connecting transverse plate through bolts.

Through adopting above-mentioned technical scheme, examine the spare part that the bench end was provided with a plurality of cylinders and connected the cylinder, so the whole weight ratio of clamping machine constructs is more sufficient, in addition still will place the casing on examining the bench, so examine the bench and certainly will be more firm, this scheme sets up the connection diaphragm at the side of connecting plate, will examine the bench and pass through bolted connection on the backup pad up end, under the condition that does not influence clamping machine structure and lift cylinder normal work, make and examine the bench very firm.

The utility model discloses further set up to: the fixing part comprises a fixing block which is abutted against the end face of the sliding block, one end of the fixing block penetrates through the fixing block, and the other end of the fixing block is connected with a fixing bolt at the side end of the detection table through a bolt.

Through adopting above-mentioned technical scheme, when needs carry out the gas injection to the aluminium head, with the inner terminal surface butt of fixed block at the outer terminal surface of slider, fix the fixed block through fixing bolt simultaneously for the gas injection mouth of slider front end can be firmly support the aluminium head, this scheme simple structure, the operation of being convenient for, the convenience is changed simultaneously.

The utility model discloses further set up to: the upper end is provided with the feed liquor pipe in the detection pond, and the liquid hole has been seted up to the bottom.

Through adopting above-mentioned technical scheme, when the aluminium head that detects is many or the detection liquid in the detection pond is not changed for a long time, it can be than muddy to detect liquid, leads to the airtight effect of observation that can not be very clear, so will detect liquid and discharge in the liquid outlet hole of lower extreme, pour into new or the detection liquid of handling into by the feed liquor pipe department of upper end again for whether the observation bubble that can be clear emits, this scheme has improved the reliability that detects, simple structure conveniently operates simultaneously.

To sum up, the utility model discloses a beneficial technological effect does:

1. the scheme is not provided with a precise instrument, and the air tightness of the aluminum head can be detected by simple arrangement according to a simple principle, so that the cost is low, the detection reliability is high, and the aluminum head is difficult to damage;

2. the connection of each cylinder and the detection platform greatly expands the detection range of the aluminum head detection equipment;

3. each cylinder is connected to the detection table through a bolt, and when the cylinders are damaged, the cylinders are convenient to replace and install.

Drawings

FIG. 1 is a schematic view of an appearance structure of an aluminum head airtightness detection device, showing a state in which a clamping mechanism is not immersed in a detection tank;

FIG. 2 is a schematic view of an appearance structure of the aluminum head airtightness detection device, showing a state in which the clamping mechanism is immersed in the detection liquid;

FIG. 3 is a schematic view of the assembly relationship between the clamping mechanism and all the driving components, showing that the clamping mechanism is connected to the connecting transverse plate through a bolt;

FIG. 4 is a schematic view of an appearance structure of the clamping mechanism;

FIG. 5 is a partial exploded view of the gas injection assembly.

In the figure: 1. a frame; 2. a clamping mechanism; 3. a detection mechanism; 4. a lifting cylinder; 5. a connecting plate; 6. a detection table; 7. a first cylinder; 8. a second cylinder; 9. a third cylinder; 10. plugging the hole head; 11. a detection cell; 12. a gas injection assembly; 13. detecting the liquid; 14. a support bar; 16. a groove; 17. a seal ring; 18. a support plate; 19. positioning holes; 20. a limiting hole; 21. sealing the rubber sheet; 22. a gas injection nozzle; 23. a slider; 24. a fixed block; 25. a chute; 26. a slide rail; 27. fixing the bolt; 28. a liquid inlet pipe; 29. a liquid outlet hole; 30. a fixing member; 31. connecting the transverse plates.

Detailed Description

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

Referring to fig. 1, 2 and 4, the aluminum head airtightness detection device comprises a rack 1, a clamping mechanism 2 and a detection mechanism 3, wherein a lifting cylinder 4 is fixedly connected to the upper side of the side end of the rack 1, the lower end of the lifting cylinder 4 is connected with a connecting plate 5, and the connecting plate 5 is horizontally extended and integrally provided with a connecting transverse plate 31; the clamping mechanism 2 comprises a detection table 6 fixed at the upper end of the connecting transverse plate 31 through bolts, a first air cylinder 7 fixed at the upper side of the detection table 6, second air cylinders 8 fixed at two sides of the detection table 6 and a third air cylinder 9 rotatably connected at the upper side of the rear end of the detection table 6; the front ends of the first cylinder 7, the second cylinder 8 and the third cylinder 9 are fixedly connected with hole plugging heads 10; the detection mechanism 3 comprises a detection pool 11 fixed at one end of the frame 1 and a gas injection assembly 12 fixed at the front end of the detection table 6, and detection liquid 13 is filled in the detection pool 11.

Referring to fig. 2 and 3, the side end of the frame 1 is connected to the side end of the lifting cylinder 4 through a bolt, the connecting plate 5 is fixed at the lower end of the lifting cylinder 4, so that the connecting plate 5 can slide up and down on one side of the frame 1, and the connecting plate 5 is continuously bent in shape, i.e., the connecting plate extends forward perpendicular to the side end of the frame 1, then bends downward, and finally bends forward, so that when the connecting plate 5 slides downward and is immersed in the detection tank 11, the detection table 6 fixed at the front end of the connecting plate 5 can be completely immersed in the detection tank 11.

Referring to fig. 3 and 4, the upper end surface of the front end of the connecting plate 5 is connected with a detection platform 6 through a bolt, the bolt is connected with the lower end surface of the front end of the connecting plate 5, and the detection platform 6 is a square plate with the size smaller than that of the detection pool 11.

Referring to fig. 4, examine test table 6 and have four spinal branch vaulting poles 14 through bolted connection all around, first cylinder 7 is being passed through bolted connection in the upper end of four spinal branch vaulting poles 14, the working direction of first cylinder 7 is down, make first cylinder 7 when being fixed at the upside of examining test table 6, can fix the aluminium head downwards, there is stifled hole head 10 first cylinder 7 front end through bolted connection, the appearance of stifled hole head 10 is decided according to the trompil size and the shape of aluminium head, round recess 16 has been seted up to stifled hole head 10 side, the embedded sealing ring 17 in the recess 16, make when stifled hole head 10 inserts the downthehole of aluminium head, sealing ring 17 seals the hole totally.

Referring to fig. 4, two parallel supporting plates 18 are fixedly connected to the rear side of the upper end face of the detection table 6, the height of each supporting plate 18 is smaller than the depth of the detection pool 11, multiple groups of positioning holes 19 are formed in the supporting plates 18, each group of positioning holes 19 are aligned with each other, a third cylinder 9 is rotatably connected in each positioning hole 19, when an aluminum head does not have an inclined end face, the third cylinder 9 is fixed in one group of positioning holes 19 at the lowest end of the supporting plates 18, the third cylinder 9 can fix the end face which is not inclined, when the aluminum head has an inclined end face, the third cylinder 9 is adjusted upwards, then the third cylinder 9 is rotated, the front end face of the third cylinder 9 is parallel to the inclined end face of the aluminum head, the aluminum head is fixed, and the front end of the third cylinder 9 is also connected with a.

Referring to fig. 4, the detection table 6 has been seted up at both ends about multiunit spacing hole 20, has two second cylinders 8 through bolted connection in the spacing hole 20, and two second cylinders 8 opposite directions are placed, and the working direction is middle through adjusting the position of second cylinder 8 at detection table 6 for the volume grow of the work piece that detection table 6 can detect, second cylinder 8 front end has stifled hole head 10 through bolted connection. Meanwhile, when the detected workpiece has more than one inclined surface, the second cylinder 8 can be detached, and then the third cylinder 9 and the support plate 18 are fixed in the limiting hole 20, so that the second cylinder 8 for horizontally clamping the aluminum head originally can be clamped in an inclined mode after the assembly is replaced.

Referring to fig. 4, detect that platform 6 up end middle part bonds and has sealed film 21, when the aluminium head was placed on detecting platform 6, sealed film 21 has increased the aluminium head and has detected the frictional force of platform 6 for the aluminium head is more firm on detecting platform 6, and when the trompil on the aluminium head was too much, can act as the stifled hole head with sealed film 21 and seal the hole 10 simultaneously.

Referring to fig. 4 and 5, the gas injection assembly 12 includes a gas injection nozzle 22, a sliding block 23 and a fixing part 30, a sliding rail 26 is integrally arranged at the lower end of the sliding block 23, a sliding groove 25 for the sliding rail 26 to slide is arranged at the front end of the upper end face of the detection table 6, the gas injection nozzle 22 is connected to the front end of the sliding block 23 through a bolt, a sealing ring is embedded in the outer end of the gas injection nozzle 22, the fixing part 30 includes a fixing block 24 and a fixing bolt 27, the front end of the fixing block 24 abuts against the rear end of the sliding block 23, the rear end slides on the front side of the detection table 6 through the fixing bolt 27, so that the sliding block 23 slides backwards during gas tightness detection, the gas injection nozzle 22 is inserted into a gas inlet reserved in an aluminum head, the front end of the fixing block 24 abuts against the rear end of the sliding block 23, and the fixing bolt 27 connected to.

Referring to fig. 1 and 2, a liquid inlet pipe 28 is arranged at the upper end in the detection tank 11, a liquid outlet hole 29 is formed at the lower end, and when the detection liquid 13 in the detection tank 11 is not replaced for a long time, the detection liquid 13 is turbid, so that the airtight effect cannot be clearly observed, the detection liquid 13 is discharged from the liquid outlet hole 29 at the lower end, and then a new or treated detection liquid 13 is injected from the liquid inlet pipe 28 at the upper end.

The implementation principle of the embodiment is as follows:

when the air tightness is detected, firstly, the connecting plate 5 slides upwards to enable the clamping mechanism 2 to move out of the detection pool 11, then the aluminum head to be detected is placed at the upper end of the detection table 6, the second cylinders 8 at two sides of the detection table 6 are driven to enable the front end of each second cylinder 8 to abut against two ends of the aluminum head to be detected, meanwhile, the hole plugging heads 10 are plugged into holes at two ends of the aluminum head to be detected, the aluminum head to be detected is sealed by the sealing rings 17, then, the first cylinder 7 is driven to enable the front end of the first cylinder 7 to abut against the upper end of the aluminum head to be detected, meanwhile, the hole plugging heads 10 are plugged into holes at the upper end of the aluminum head to be detected, when the third cylinder 9 which is obliquely placed is driven, the front end of the third cylinder 9 abuts against one inclined surface at the rear end of the aluminum head to be detected, meanwhile, the hole plugging heads 10 are plugged into the holes at the rear end of the aluminum head to, the gas injection assembly 12 at the front end of the detection table 6 slides and is fixed on a gas inlet hole at the front end of the aluminum head to be detected, and then the connecting plate 5 slides downwards, so that the aluminum head to be detected is completely immersed in the detection pool 11 and is simultaneously inflated into the aluminum head, if bubbles continuously emerge from the surface of the detection liquid 13, the air tightness of the aluminum head is poor, and if no bubbles emerge from the surface of the detection liquid 13, the air tightness of the aluminum head is good.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an aluminium head gas tightness detection device, includes frame (1), clamping machine structure (2) and detection mechanism (3), its characterized in that:

a lifting cylinder (4) is fixedly connected to the side end of the rack (1), and a connecting plate (5) is fixedly connected to the lower end of the lifting cylinder (4);

the clamping mechanism (2) comprises a detection table (6) connected to one end of the connecting plate (5), a first air cylinder (7) fixed on the upper side of the detection table (6), second air cylinders (8) fixed at two ends of the detection table (6), and a third air cylinder (9) fixed at the rear end of the detection table (6) and placed obliquely;

the front ends of the first cylinder (7), the second cylinder (8) and the third cylinder (9) are fixedly connected with a hole plugging head (10), and the outer end of the hole plugging head (10) is embedded with a sealing ring (17);

the detection mechanism (3) comprises a detection pool (11) fixed at one end of the rack (1) and an air injection assembly (12) connected to the front end of the detection table (6) in a sliding manner, and the air injection assembly (12) comprises a sliding block (23), an air injection nozzle (22) fixed at one end of the sliding block (23) and a fixing part (30);

and the detection pool (11) is filled with detection liquid (13).

2. The aluminum head airtightness detection apparatus according to claim 1, wherein: and a sealing rubber sheet (21) is arranged on the upper end surface of the detection table (6).

3. The aluminum head airtightness detection apparatus according to claim 2, wherein: the hole plugging head (10) is connected to the front ends of the first cylinder (7), the second cylinder (8) and the third cylinder (9) through bolts.

4. The aluminum head airtightness detection apparatus according to claim 3, wherein: the upper end of the detection table (6) is fixedly connected with two parallel supporting plates (18), a plurality of groups of positioning holes (19) are formed in the supporting plates (18), and the third air cylinder (9) is rotatably connected in the positioning holes (19).

5. The aluminum head airtightness detection apparatus according to claim 4, wherein: the detection table is characterized in that a plurality of groups of limiting holes (20) are formed in two ends of the detection table (6), and the second cylinder (8) is connected to the upper end of the detection table (6) through bolts.

6. The aluminum head airtightness detection apparatus according to claim 5, wherein: the side end of the connecting plate (5) is provided with a connecting transverse plate (31), and the detection table (6) is connected to the upper end face of the connecting transverse plate (31) through bolts.

7. The aluminum head airtightness detection apparatus according to claim 6, wherein: the fixing part (30) comprises a fixing block (24) abutted to the end face of the sliding block (23), and a fixing bolt (27) with one end penetrating out of the other end of the fixing block (24) and the other end connected to the side end of the detection table (6) through a bolt.

8. The aluminum head airtightness detection apparatus according to claim 7, wherein: the upper end in the detection pool (11) is provided with a liquid inlet pipe (28), and the bottom is provided with a liquid outlet hole (29).