CN216116548U - Oil pump gas tightness detection device - Google Patents
Oil pump gas tightness detection device Download PDFInfo
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- CN216116548U CN216116548U CN202122367255.XU CN202122367255U CN216116548U CN 216116548 U CN216116548 U CN 216116548U CN 202122367255 U CN202122367255 U CN 202122367255U CN 216116548 U CN216116548 U CN 216116548U
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- oil pump
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- airtight
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Abstract
The utility model discloses an oil pump air tightness detection device which comprises a workbench, wherein an air tightness detector and a support device are arranged on the workbench, a rack bottom plate is arranged on the support bottom plate, a guide rail extending forwards and backwards is arranged on the rack bottom plate, an oil pump air tightness tool lower plate is slidably arranged on the guide rail, a groove matched with the outline of a pump body of an oil pump is arranged on the oil pump air tightness tool lower plate, a first sealing ring is arranged in the groove, an air hole is formed in the oil pump air tightness tool lower plate, one end of the air hole is communicated with an air pipe of the air tightness detector, the other end of the air hole is used for being communicated with an inner cavity of the oil pump, the same movable plate is movably sleeved on all support stand columns, the lower end of the movable plate is connected with a cover plate, a second sealing ring is arranged on the lower surface of the cover plate, a pneumatic press machine is arranged on the support top plate, and a piston rod of the pneumatic press machine extends downwards to penetrate through the support top plate and then is connected with the movable plate. The utility model has the advantages of convenient use, high detection precision and high detection efficiency.
Description
Technical Field
The utility model relates to the technical field of air tightness detection, in particular to an oil pump air tightness detection device.
Background
The automobile oil pump is in practical process, and fluid directly passes through from the pump chamber, consequently has higher requirement for the gas tightness of oil pump, need pass through the gas tightness after the oil pump assembly is accomplished and detect.
However, in the prior art, the air tightness detection of the oil pump usually depends on manual detection. One detection method is as follows: the oil inlet of the oil pump is connected with the air pipe by a worker to block the oil outlet of the oil pump, then the oil pump is put into water, and finally the air is supplied to the oil pump through the air pipe; if no bubble is generated at each position of the oil pump, the air tightness of the oil pump is good, and if the bubble is generated, the air tightness of the oil pump is not good. The other detection mode is as follows: the staff passes through the screw manual tightening with the oil pump with the detection head of airtight detector earlier, then detects the atmospheric pressure change of oil pump inner chamber, if appear changing then explain that the oil pump gas tightness is not good. The efficiency of both detection modes is low, and the manpower consumption is large.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model aims to provide the oil pump air tightness detection device which is convenient to use, labor-saving, high in detection precision and high in detection efficiency.
In order to achieve the purpose, the utility model provides an oil pump air tightness detection device, which comprises a workbench, wherein an air tightness detector and a supporting device are arranged on the workbench, the supporting device consists of a supporting bottom plate, a supporting top plate and a plurality of supporting stand columns connected between the supporting bottom plate and the supporting top plate, a rack bottom plate is arranged on the supporting bottom plate, a guide rail extending forwards and backwards is arranged on the rack bottom plate, an oil pump air tightness tool lower plate is arranged on the guide rail in a sliding manner, a groove matched with the outer contour of a pump body of an oil pump is arranged on the oil pump air tightness tool lower plate, a first sealing ring used for forming sealing with the pump body of the oil pump is arranged in the groove, an air hole is arranged on the oil pump air tightness tool lower plate, one end of the air hole is communicated with an air pipe of the air tightness detector, the other end of the air hole is used for being communicated with an inner cavity of the oil pump, and a movable plate is sleeved on all the supporting stand columns, the lower extreme of fly leaf is connected with the apron that corresponds from top to bottom with the airtight frock hypoplastron of oil pump, be provided with on the lower surface of apron and be used for forming sealed second sealing washer with the end cover of oil pump, be provided with the pneumatic press that can provide 1.8-2.6 MPa pressure on the supporting roof, the piston rod downwardly extending of pneumatic press is connected with the fly leaf after running through the supporting roof.
In the scheme, the method comprises the following steps: the automatic oil pump loading and unloading device is characterized in that a manipulator for clamping an oil pump is arranged in front of the workbench, a product collecting box to be detected, a qualified product collecting box to be detected and an unqualified product collecting box to be detected are arranged near the manipulator respectively, the manipulator can automatically load and unload the oil pump, a sensing device at the front end of the manipulator can make corresponding judgment according to a detection result, the manipulator is instructed to classify and collect qualified products and unqualified products, and compared with manual loading and unloading, the automatic oil pump loading and unloading device greatly improves the detection efficiency of the oil pump, so that the automatic oil pump loading, detection and unloading are fully automated.
In the scheme, the method comprises the following steps: the manipulator is provided with an intelligent sensing camera, the detection result of the air tightness detector is judged through the intelligent sensing camera, the corresponding program is executed, the work flow induction program of the full-automatic oil pump air tightness detection device is solidified, so that the detection device can operate the corresponding program and remove simple faults when the detection device breaks down, and the shutdown alarm is implemented for faults without the corresponding program.
In the scheme, the method comprises the following steps: the air tightness detector is characterized in that a controller and a switch button are arranged on the workbench, the switch button is electrically connected with the controller, and the controller is electrically connected with the electric cylinder, the air tightness detector and the pneumatic press respectively.
In the scheme, the method comprises the following steps: an electric cylinder is arranged behind the oil pump airtight tool lower plate, and a piston rod of the electric cylinder is connected with the rear end of the oil pump airtight tool lower plate. When the air tightness is detected, the lower plate of the oil pump air-tight tool needs to be moved to the front, then the oil pump is placed in the groove of the lower plate of the oil pump air-tight tool, and then the lower plate of the oil pump air-tight tool is moved backwards to a specified position; set up electric cylinder at the rear of the airtight frock hypoplastron of oil pump, drive the airtight frock hypoplastron of oil pump along the guide rail back-and-forth movement through electric cylinder, saved the human cost of this step, also guaranteed staff's safety, still be favorable to further improvement detection efficiency.
In the scheme, the method comprises the following steps: the four supporting columns are respectively arranged at four corners of the supporting top plate and the supporting bottom plate, guide sleeves are correspondingly arranged at four corners of the movable plate, and the supporting columns penetrate through the guide sleeves. The guide sleeve plays a guiding role, so that the cover plate arranged at the lower end of the movable plate can be accurately butted with the oil pump cover, and sealing is formed under the action of the second sealing ring.
In the scheme, the method comprises the following steps: the electric cylinders are two and are arranged at the rear of the oil pump airtight tool lower plate side by side, the most front ends of the two electric cylinders are transversely provided with the same door-shaped limiting block, piston rods of the two electric cylinders are connected with the oil pump airtight tool lower plate after being penetrated out of an opening of the door-shaped limiting block, and the door-shaped limiting block can limit backward movement of the oil pump airtight tool lower plate and prevent the oil pump airtight tool from excessively backward movement so as to slide out a guide rail.
In the scheme, the method comprises the following steps: the door-shaped limiting block is just arranged at the rearmost end of the bottom plate of the rack. The door-shaped limiting block and the rack bottom plate can be connected through bolts, and the bolt connection structure is simple and convenient to disassemble and assemble.
In the scheme, the method comprises the following steps: the sealing structure is characterized in that a first annular groove corresponding to an opening of the pump body is formed in the groove, the first sealing ring is embedded in the first annular groove and protrudes outwards, a second annular groove corresponding to a through hole in the end cover is formed in the lower surface of the cover plate, and the second sealing ring is embedded in the second annular groove and protrudes outwards. Each sealing ring is arranged in the corresponding annular groove and is not easy to fall off.
The utility model has the beneficial effects that:
1. the device is provided with a gas press machine which can provide 1.8-2.6 MPa pressure; the pressure of the inner cavity of the oil pump is 0.6-0.8 MPa and is less than the pressure of the gas press; therefore, the cover plate can be tightly pressed on the oil pump by means of the gas pressure machine, so that the cover plate, the oil pump and the oil pump airtight tool lower plate are tightly connected, and then the first sealing ring and the second sealing ring are matched to form a sealing effect on an inner cavity of the oil pump; compared with the traditional screw connection method for forming sealing, the automatic sealing can be realized by the design, so that the detection efficiency is greatly improved, the labor cost is saved, the sealing precision is ensured, and the accuracy of the detection result is ensured;
2. the whole automation degree is high, the automatic sealing of the oil collecting oil pump and the automatic detection of the oil pump are integrated, and the labor cost is low.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a partial front view of the present invention.
Fig. 3 is a schematic view of the installation of the first sealing ring on the lower plate of the oil pump airtight tool.
Fig. 4 is a schematic view of the mounting of the second seal ring on the cover plate.
Fig. 5 is a partial rear view of the present invention.
Fig. 6 is a schematic structural view of the oil pump end cover side.
Fig. 7 is a schematic structural view of the oil pump body side.
Detailed Description
As shown in fig. 1-5, an oil pump air tightness detection device mainly comprises a workbench 1, an air tightness detector 2 and a supporting device.
Fig. 6-7 show an oil pump 25.
Referring to fig. 1 to 7, the air tightness detector 2 and the supporting device are fixed on the worktable 1, and the supporting device is composed of a supporting bottom plate 3, a supporting top plate 4 and a plurality of supporting columns 5 connected between the supporting bottom plate 3 and the supporting top plate 4.
Be provided with rack bottom plate 6 on the supporting baseplate 3, be provided with guide rail 7 that extends around on rack bottom plate 6, 7 slidable mounting have an oil pump airtight frock hypoplastron 8 on the guide rail. The oil pump airtight tool lower plate 8 is provided with a groove 9 matched with the outer contour of the pump body of the oil pump 25, and a first sealing ring 10 used for forming sealing with the pump body of the oil pump 25 is arranged in the groove 9. An air hole 11 is formed in the oil pump airtight tool lower plate 8, one end of the air hole 11 is communicated with an air pipe of the airtight detector 2, and the other end of the air hole 11 is communicated with an inner cavity of the oil pump 25.
The same movable plate 13 is movably sleeved on all the supporting columns 5, the lower end of the movable plate 13 is connected with a cover plate 14 which vertically corresponds to the oil pump airtight tool lower plate 8, and a second sealing ring 15 which is used for forming sealing with an end cover of an oil pump 25 is arranged on the lower surface of the cover plate 14. The supporting top plate 4 is provided with a pneumatic press 16 which can provide 1.8-2.6 MPa of pressure, and a piston rod of the pneumatic press 16 extends downwards to penetrate through the supporting top plate 4 and then is connected with the movable plate 13.
Preferably, a manipulator 18 for clamping the oil pump 25 is arranged in front of the workbench 1, a product collecting box 19 to be detected, a qualified product collecting box 20 to be detected and an unqualified product collecting box 21 to be detected are respectively arranged near the manipulator 18, the manipulator 18 can automatically carry out feeding and discharging of the oil pump 25, a sensing device at the front end of the manipulator 18 can also make corresponding judgment according to a detection result, the manipulator 18 is instructed to classify and collect qualified products and unqualified products, and compared with manual feeding and discharging, the device greatly improves the detection efficiency of the oil pump 25, so that the full automation of feeding, detecting and discharging is realized.
Preferably, the manipulator 18 is provided with an intelligent sensing camera 22, the detection result of the air tightness detector 2 is judged through the intelligent sensing camera 22, a corresponding program is executed, the intelligent sensing camera 22 at the front end of the manipulator 18 can make a corresponding judgment according to the detection result, qualified products and unqualified products are classified and collected, and a working flow induction program of the full-automatic oil pump air tightness detection device is solidified, so that a corresponding program can be operated and simple faults can be removed when the detection device fails, and a shutdown alarm is implemented on faults without corresponding programs.
Preferably, the worktable 1 is provided with a controller 17 and a switch button 26, the switch button 26 is electrically connected with the controller 17, and the controller 17 is electrically connected with the electric cylinder 12, the air tightness detector 2 and the pneumatic press 16 respectively.
Preferably, an electric cylinder 12 is disposed behind the oil pump airtight tool lower plate 8, and a piston rod of the electric cylinder 12 is connected to the rear end of the oil pump airtight tool lower plate 8. When the air tightness is detected, the lower plate 8 of the oil pump air-tight tool needs to be moved to the front, then the oil pump 25 is placed in the groove 9 of the lower plate 8 of the oil pump air-tight tool, and then the lower plate 8 of the oil pump air-tight tool is moved backwards to a specified position; set up electric cylinder 12 at the rear of oil pump airtight frock hypoplastron 8, drive oil pump airtight frock hypoplastron 8 along the back-and-forth movement of guide rail 7 through electric cylinder 12, saved the human cost of this step, also guaranteed staff's safety, still do benefit to further improvement detection efficiency.
Preferably, four support columns 5 are respectively disposed at four corners of the support top plate and the support bottom plate, guide sleeves 23 are correspondingly disposed at four corners of the movable plate 13, and the support columns 5 pass through the guide sleeves 23. The guide sleeve 23 plays a guiding role, so that the cover plate 14 installed at the lower end of the movable plate 13 can be precisely butted with the pump cover of the oil pump 25, and a seal is formed under the action of the second seal ring 15.
Preferably, two electric cylinders 12 are arranged side by side behind the oil pump airtight tool lower plate 8, the foremost ends of the two electric cylinders 12 are transversely provided with the same door-shaped limiting block 24, piston rods of the two electric cylinders 12 penetrate out of an opening of the door-shaped limiting block 24 to be connected with the oil pump airtight tool lower plate 8, and the door-shaped limiting block 24 can limit backward movement of the oil pump airtight tool lower plate 8. And the lower plate 8 of the oil pump airtight tool is prevented from excessively moving backwards and sliding out of the guide rail 7.
Preferably, a "door" type stop 24 is mounted just aft of the gantry floor 6. The door-shaped limiting block 24 and the rack bottom plate 6 can be connected through bolts, and the bolt connection structure is simple and convenient to disassemble and assemble.
Preferably, the recess 9 is provided with a first annular groove corresponding to the opening of the pump body, the first sealing ring 10 is fitted in the first annular groove and protrudes outward, the lower surface of the cover plate 14 is provided with a second annular groove corresponding to the through hole of the end cover, and the second sealing ring 15 is fitted in the second annular groove and protrudes outward. Each sealing ring is arranged in the corresponding annular groove and is not easy to fall off.
Claims (9)
1. The utility model provides an oil pump gas tightness detection device, includes workstation (1), be provided with airtight detector (2) and strutting arrangement on workstation (1), its characterized in that: the supporting device comprises a supporting bottom plate (3), a supporting top plate (4) and a plurality of supporting columns (5) connected between the supporting bottom plate (3) and the supporting top plate (4), wherein a rack bottom plate (6) is arranged on the supporting bottom plate (3), a guide rail (7) extending from front to back is arranged on the rack bottom plate (6), an oil pump airtight tool lower plate (8) is slidably arranged on the guide rail (7), a groove (9) matched with the outer contour of a pump body of an oil pump (25) is arranged on the oil pump airtight tool lower plate (8), a first sealing ring (10) used for forming sealing with the pump body of the oil pump (25) is arranged in the groove (9), an air hole (11) is arranged on the oil pump airtight tool lower plate (8), one end of the air hole (11) is communicated with an air pipe of an airtight detector (2), and the other end of the air hole (11) is communicated with the inner cavity of the oil pump (25), the movable sleeve is equipped with same fly leaf (13) on all support post (5), the lower extreme of fly leaf (13) is connected with apron (14) that correspond from top to bottom with airtight frock hypoplastron (8) of oil pump, be provided with on the lower surface of apron (14) and be used for forming sealed second sealing washer (15) with the end cover of oil pump (25), be provided with on supporting roof (4) and provide pneumatic press (16) of 1.8-2.6 MPa pressure, the piston rod downwardly extending of pneumatic press (16) runs through and is connected with fly leaf (13) behind supporting roof (4).
2. The oil pump airtightness detection apparatus according to claim 1, characterized in that: the manipulator (18) used for clamping the oil pump (25) is arranged in front of the workbench (1), and a product collecting box (19) to be detected, a qualified product collecting box (20) to be detected and an unqualified product collecting box (21) to be detected are respectively arranged near the manipulator (18).
3. The oil pump airtightness detection apparatus according to claim 2, characterized in that: and an intelligent sensing camera (22) is arranged on the manipulator (18).
4. The oil pump airtightness detection apparatus according to claim 1, characterized in that: an electric cylinder (12) is arranged behind the oil pump airtight tool lower plate (8), and a piston rod of the electric cylinder (12) is connected with the rear end of the oil pump airtight tool lower plate (8).
5. The oil pump airtightness detection apparatus according to claim 4, characterized in that: be provided with controller (17) and shift knob (26) on workstation (1), shift knob (26) and controller (17) electric connection, controller (17) respectively with electric cylinder (12), airtight detector (2), pneumatic press (16) electric connection.
6. The oil pump airtightness detection apparatus according to claim 1, characterized in that: the four supporting columns (5) are respectively arranged at four corners of the supporting top plate and the supporting bottom plate, guide sleeves (23) are correspondingly arranged at four corners of the movable plate (13), and the supporting columns (5) penetrate through the guide sleeves (23).
7. The oil pump airtightness detection apparatus according to claim 4, characterized in that: the oil pump airtight tool is characterized in that the number of the electric cylinders (12) is two, the electric cylinders are arranged at the rear of the oil pump airtight tool lower plate (8) side by side, the foremost ends of the two electric cylinders (12) are transversely provided with the same door-shaped limiting block (24), piston rods of the two electric cylinders (12) penetrate out of an opening of the door-shaped limiting block (24) and are connected with the oil pump airtight tool lower plate (8), and the door-shaped limiting block (24) can limit backward movement of the oil pump airtight tool lower plate (8).
8. The oil pump airtightness detection apparatus according to claim 7, characterized in that: the door-shaped limiting block (24) is just arranged at the rearmost end of the rack bottom plate (6).
9. The oil pump airtightness detection apparatus according to claim 1, characterized in that: a first annular groove corresponding to an opening of the pump body is formed in the groove (9), the first sealing ring (10) is embedded in the first annular groove and protrudes outwards, a second annular groove corresponding to the through hole in the end cover is formed in the lower surface of the cover plate (14), and the second sealing ring (15) is embedded in the second annular groove and protrudes outwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122367255.XU CN216116548U (en) | 2021-09-28 | 2021-09-28 | Oil pump gas tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122367255.XU CN216116548U (en) | 2021-09-28 | 2021-09-28 | Oil pump gas tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216116548U true CN216116548U (en) | 2022-03-22 |
Family
ID=80689693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122367255.XU Active CN216116548U (en) | 2021-09-28 | 2021-09-28 | Oil pump gas tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216116548U (en) |
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2021
- 2021-09-28 CN CN202122367255.XU patent/CN216116548U/en active Active
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