CN220568351U - Workpiece air tightness detection structure - Google Patents

Workpiece air tightness detection structure Download PDF

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Publication number
CN220568351U
CN220568351U CN202321867771.1U CN202321867771U CN220568351U CN 220568351 U CN220568351 U CN 220568351U CN 202321867771 U CN202321867771 U CN 202321867771U CN 220568351 U CN220568351 U CN 220568351U
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China
Prior art keywords
workpiece
plate
positioning
detection
air tightness
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Application number
CN202321867771.1U
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Chinese (zh)
Inventor
蒋云泉
朱庆华
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Suzhou Tianye Precision Manufacturing Co ltd
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Suzhou Tianye Precision Manufacturing Co ltd
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Abstract

The utility model relates to the technical field of air tightness detection, in particular to a workpiece air tightness detection structure. According to the utility model, the workpiece in the vacuum cavity is positioned through the positioning jig, the movable assembly drives the sealing cover plate to cover the detection shell, the workpiece is pressed on the positioning jig by the pressing part, the air tightness of the shock absorber part is judged through the change of the pressure in the sealing cavity by introducing air into the sealing cavity, the air tightness of the shock absorber can be rapidly detected, the detection is reliable, the operation is convenient and fast, the automation degree is high, the detection cost can be effectively reduced, the air tightness detection process is simplified, the detection efficiency is improved, the workpiece is positioned by the positioning jig, the air tightness detection tool can be repeatedly utilized, and the maintenance cost is reduced.

Description

Workpiece air tightness detection structure
Technical Field
The utility model relates to the technical field of air tightness detection, in particular to a workpiece air tightness detection structure.
Background
Air tightness detection is an important task in the processing of shock absorber components, and if the shock absorber has leakage phenomena exceeding design requirements, the shock absorber can only be scrapped. Therefore, the air tightness detection is an indispensable detection procedure, if the shock absorber leaks air and oil, the shock absorption effect is poor, the shock absorber can be damaged after long-term use, moreover, the shock absorber parts are subjected to bending deformation, the service life of the shock absorber can be greatly reduced, the shock absorber air tightness equipment in the prior art is generally required to be placed in the equipment one by one in a manual mode, the labor intensity of workers is increased, the accuracy of the air tightness detection of the shock absorber parts is influenced, meanwhile, the production efficiency is low, and the detection precision is low.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the workpiece air tightness detection structure which can rapidly detect the air tightness of the shock absorber, ensures reliable detection, convenient operation and high automation degree and is beneficial to improving the detection efficiency.
In order to solve the technical problems, the technical scheme adopted by the utility model for solving the technical problems is as follows:
a work-piece air-tightness detection structure, comprising:
the machine table is provided with a detection shell, and the detection shell is provided with a vacuum cavity;
the positioning jig is arranged in the vacuum cavity and is used for positioning a workpiece;
the sealing cover plate is arranged above the detection shell, and a sealing cavity is formed by the sealing cover plate and the detection shell;
the pressing component is arranged on the sealing cover plate and used for pressing the workpiece on the positioning jig;
the movable assembly is arranged on the machine table and is in driving connection with the sealing cover plate, and the movable assembly is used for driving the sealing cover plate to cover the detection shell.
In one embodiment of the utility model, the positioning jig comprises a plurality of positioning components, the positioning components are uniformly arranged in the vacuum cavity, a detection frame is arranged in the vacuum cavity, a detection sensor is arranged on the detection frame, and the detection sensor is used for the position condition of the workpiece on each positioning component.
In one embodiment of the utility model, the positioning component comprises a positioning plate, the positioning plate is connected with the detection shell, positioning protrusions matched with the workpiece are arranged on the positioning plate, and positioning grooves are formed in the periphery of the positioning protrusions.
In one embodiment of the utility model, the pressing component comprises at least one pressing seat, a mounting hole is formed in the pressing seat, an intermediate rod is arranged on the mounting hole, a spring is arranged in the mounting hole and connected with the intermediate rod, a limiting protrusion is arranged on the intermediate rod, so that the intermediate rod cannot be separated from the mounting hole, and a pressing head matched with the workpiece is arranged on the free end of the intermediate rod.
In one embodiment of the utility model, the moving assembly comprises a sliding plate, the sliding plate is arranged on the machine table in a sliding way, a lifting component is arranged on the sliding plate and is in driving connection with the sealing cover plate, a moving air cylinder is arranged on the machine table and is in driving connection with the sliding plate, and the moving air cylinder drives the sealing cover plate on the sliding plate to move relative to the detection shell.
In one embodiment of the utility model, the lifting component comprises a lifting frame, a sliding rod is arranged on the lifting frame, a sliding plate is arranged on the sliding rod, the sealing cover plate is arranged on the sliding plate, a lifting cylinder is arranged on the sliding plate and is in driving connection with the sliding plate, and the lifting cylinder drives the sliding plate to move along the sliding rod so as to enable the sealing cover plate to be in sealing connection with the detection shell.
In one embodiment of the utility model, a limiting block is arranged at one end of the machine, a buffer frame is arranged at the other end of the machine, a hydraulic buffer is arranged on the buffer frame, and the hydraulic buffer, the limiting block and the sliding plate are arranged opposite.
In one embodiment of the utility model, the workpiece positioning device further comprises a conveying assembly, wherein the conveying assembly comprises a conveying frame, a linear module is arranged on the conveying frame and is in driving connection with the conveying support, a conveying gripper is arranged on the conveying support, and the linear module is used for driving the conveying gripper to convey the workpiece to the positioning jig.
In one embodiment of the utility model, the carrying gripper comprises a lifting plate, the lifting plate is arranged on the carrying support in a sliding manner, an upper cylinder and a lower cylinder are arranged on the carrying support, the upper cylinder and the lower cylinder are in driving connection with the lifting plate, a mounting plate is arranged at the free end of the lifting plate, a plurality of clamping jaw cylinders are arranged on the mounting plate, clamping blocks are arranged on clamping arms of the clamping jaw cylinders, and clamping grooves matched with the shape of a workpiece are formed in the clamping blocks.
In one embodiment of the utility model, the number of the carrying grippers is at least two, the two carrying grippers are arranged on the linear module, and the two carrying grippers are used for feeding the workpiece to the positioning jig and discharging the detected workpiece respectively.
The utility model has the beneficial effects that:
according to the utility model, the workpiece in the vacuum cavity is positioned through the positioning jig, the movable assembly drives the sealing cover plate to cover the detection shell, the workpiece is pressed on the positioning jig by the pressing part, the air tightness of the shock absorber part is judged through the change of the pressure in the sealing cavity by introducing air into the sealing cavity, the air tightness of the shock absorber can be rapidly detected, the detection is reliable, the operation is convenient and fast, the automation degree is high, the detection cost can be effectively reduced, the air tightness detection process is simplified, the detection efficiency is improved, the workpiece is positioned by the positioning jig, the air tightness detection tool can be repeatedly utilized, and the maintenance cost is reduced.
Drawings
Fig. 1 is a schematic diagram of a workpiece air tightness detection structure of the present utility model.
Fig. 2 is a schematic diagram of a mobile assembly of the present utility model.
Fig. 3 is a schematic view of a hold down member of the present utility model.
Fig. 4 is a schematic view of a test housing of the present utility model.
The reference numerals in the figures illustrate: 1. a machine table; 11. a limiting block; 12. a buffer frame; 13. a hydraulic buffer; 2. a detection housing; 21. a vacuum chamber; 22. positioning jig; 23. a positioning plate; 24. positioning the bulge; 25. a positioning groove; 26. a detection frame; 27. a detection sensor; 3. sealing the cover plate; 4. a moving assembly; 41. a sliding plate; 42. a moving cylinder; 43. a lifting frame; 44. a slide plate; 45. a slide bar; 46. a lifting cylinder; 5. a pressing member; 51. a compressing seat; 52. a mounting hole; 53. an intermediate lever; 54. a spring; 55. a compacting head; 6. a handling assembly; 61. a transport rack; 62. a linear module; 63. carrying grippers; 64. carrying a bracket; 65. a lifting plate; 66. an upper cylinder and a lower cylinder; 67. a clamping jaw cylinder; 68. and a clamping block.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Referring to fig. 1 to 4, a workpiece air tightness detecting structure includes:
the machine table 1 is provided with a detection shell 2, and a vacuum cavity 21 is arranged on the detection shell 2;
the positioning jig 22 is arranged in the vacuum cavity 21, and the positioning jig 22 is used for positioning a workpiece;
the sealing cover plate 3 is arranged above the detection shell 2, and the sealing cover plate 3 and the detection shell 2 form a sealing cavity;
the pressing component 5 is arranged on the sealing cover plate 3, and the pressing component 5 is used for pressing a workpiece on the positioning jig 22;
the moving assembly 4 is arranged on the machine table 1, the moving assembly 4 is in driving connection with the sealing cover plate 3, and the moving assembly 4 is used for driving the sealing cover plate 3 to cover and arrange on the detection shell 2.
According to the utility model, the workpiece in the vacuum cavity 21 is positioned through the positioning jig 22, the movable assembly 4 drives the sealing cover plate 3 to cover the detection shell 2, the workpiece is pressed on the positioning jig 22 by the pressing part 5, the air tightness of the shock absorber part is judged through the change of the pressure in the sealing cavity by introducing air into the sealing cavity, the air tightness of the shock absorber can be rapidly detected, the detection reliability, the operation convenience and the high degree of automation are ensured, the detection cost can be effectively reduced, the air tightness detection process is simplified, the detection efficiency is improved, the workpiece is positioned by the positioning jig 22, the air tightness detection tool can be repeatedly utilized, and the maintenance cost is reduced.
In one embodiment of the present utility model, the positioning fixture 22 includes a plurality of positioning components, the plurality of positioning components are uniformly disposed in the vacuum cavity 21, a detection frame 26 is disposed in the vacuum cavity 21, a detection sensor 27 is disposed on the detection frame 26, and the detection sensor 27 is used for the position condition of the workpiece on each positioning component.
Specifically, the detection sensor 27 detects the position of the workpiece on each positioning member, so that the detection effect of each workpiece can be ensured, the accuracy of air tightness detection can be ensured, and the detection efficiency can be improved.
In one embodiment of the present utility model, the positioning component includes a positioning plate 23, the positioning plate 23 is connected with the detection housing 2, a positioning protrusion 24 matched with the workpiece is disposed on the positioning plate 23, and positioning grooves 25 are disposed around the positioning protrusion 24.
Specifically, the workpiece is sleeved on the positioning protrusion 24, and meanwhile, the workpiece is matched with the positioning groove 25 for positioning, so that the positioning precision of the workpiece can be effectively ensured, and the air tightness detection accuracy is ensured.
In one embodiment of the present utility model, the pressing component 5 includes at least one pressing seat 51, a mounting hole 52 is provided on the pressing seat 51, an intermediate rod 53 is provided on the mounting hole 52, a spring 54 is provided in the mounting hole 52, the spring 54 is connected with the intermediate rod 53, a limiting protrusion is provided on the intermediate rod 53, so that the intermediate rod 53 cannot be separated from the mounting hole 52, and a pressing head 55 matched with the workpiece is provided on a free end of the intermediate rod 53.
Specifically, compress tightly head 55 and work piece butt under the drive of lift cylinder 46, compress the spring 54 on compressing tightly seat 51, make under the reaction force of spring 54 compress tightly head 55 with the work piece support tightly on locating plate 23, with compress tightly the work piece on the locating plate 23, conveniently compress tightly the work piece fast, the spring 54 is convenient for adjust the distance of compressing tightly head 55 and work piece, can adapt to the work piece of different specifications, need not the manual work and carry out the clamping, effectively reduce the operation with the installation compress tightly for the work piece, improve production efficiency, the gas tightness detection operation of being convenient for goes on, guarantee gas tightness detection precision.
In one embodiment of the present utility model, the moving assembly 4 includes a sliding plate 41, the sliding plate 41 is slidably disposed on the machine table 1, a lifting component is disposed on the sliding plate 41, the lifting component is in driving connection with the sealing cover plate 3, a moving cylinder 42 is disposed on the machine table 1, the moving cylinder 42 is in driving connection with the sliding plate 41, and the moving cylinder 42 drives the sealing cover plate 3 on the sliding plate 41 to move relatively to the detection housing 2.
Specifically, the movable air cylinder 42 drives the sealing cover plate 3 on the sliding plate 41 to move to the position right above the detection shell 2, so that the centering and positioning of the sealing cover plate 3 and the detection shell 2 are realized quickly, the structure is simple, the operation is convenient, the cost is low, the degree of automation is effectively improved, and the movable air cylinder has a good application prospect.
In one embodiment of the present utility model, the lifting component includes a lifting frame 43, a sliding rod 45 is disposed on the lifting frame 43, a sliding plate 44 is disposed on the sliding rod 45, the sealing cover plate 3 is disposed on the sliding plate 44, a lifting cylinder 46 is disposed on the sliding plate 41, the lifting cylinder 46 is in driving connection with the sliding plate 44, and the lifting cylinder 46 drives the sliding plate 44 to move along the sliding rod 45 so as to enable the sealing cover plate 3 to be in sealing connection with the detection housing 2.
Specifically, the lifting cylinder 46 drives the sliding plate 44 to move along the sliding rod 45 towards the detection housing 2, and the lifting cylinder 46 continues to drive the sealing cover plate 3 to move towards the detection housing 2, so that the sealing cover plate 3 is pressed on the detection housing 2 until the two are in sealing connection, and the working efficiency is high and the sealing effect is good.
In one embodiment of the present utility model, the machine 1 has a limiting block 11 at one end and a buffer frame 12 at the other end, and the buffer frame 12 is provided with a hydraulic buffer 13, where the hydraulic buffer 13 is disposed opposite to the limiting block 11 and the sliding plate 41.
Specifically, the pressure buffer and the limiting block 11 are disposed opposite to the sliding plate 41, so that the position accuracy of the sliding plate 41 in the reciprocating motion process is effectively avoided, the structure is simple and compact, the cost is lower, and the sliding plate 41 can be effectively limited.
In one embodiment of the present utility model, the handling assembly 6 further includes a handling frame 61, a linear module 62 is disposed on the handling frame 61, the linear module 62 is in driving connection with a handling support 64, a handling gripper 63 is disposed on the handling support 64, and the linear module 62 is used for driving the handling gripper 63 to handle the workpiece onto the positioning fixture 22.
Specifically, the straight line module 62 drives one transport tongs 63 in two transport tongs 63 to snatch a plurality of work pieces, moves to the location tool 22 top under the drive of straight line module 62, and transport tongs 63 establishes the work piece cover of centre gripping at the location arch 24 to can promote the unloading speed to with last production speed phase-match that has equipment, when improving production efficiency, saved a large amount of manpowers, alleviateed workman's intensity of labour, practiced thrift the cost of labor of mill.
In one embodiment of the present utility model, the carrying gripper 63 includes a lifting plate 65, the lifting plate 65 is slidably disposed on the carrying support 64, an up-down air cylinder 66 is disposed on the carrying support 64, the up-down air cylinder 66 is in driving connection with the lifting plate 65, a mounting plate is disposed at a free end of the lifting plate 65, a plurality of clamping jaw air cylinders 67 are disposed on the mounting plate, a clamping block 68 is disposed on a clamping arm of the clamping jaw air cylinder 67, and a clamping groove matched with a workpiece in shape is disposed on the clamping block 68.
Specifically, the up-down air cylinder 66 drives the mounting plate to move downwards, so that the workpiece clamped by the clamping air cylinder is sleeved on the positioning protrusion 24, the clamping jaw air cylinder 67 is in one-to-one correspondence with the positioning plate 23, and a plurality of workpieces can be taken and discharged by using one carrying gripper 63, so that automation is facilitated, production cost is reduced, and compared with the existing carrying efficiency of taking and discharging one by one, the carrying efficiency is greatly improved.
In one embodiment of the present utility model, at least two handling grippers 63 are provided, and two handling grippers 63 are disposed on the linear module 62, and the two handling grippers 63 are used for feeding the workpiece to the positioning fixture 22 and discharging the detected workpiece.
Specifically, two transport tongs 63 are to work piece material loading to location tool 22 respectively and will accomplish and detect the work piece unloading, its simple structure, convenient to use, and the transport efficiency of a transport tongs 63 of comparison now improves greatly, can get fast through two transport tongs 63 cooperation and put the work piece, and installation and maintenance are very convenient moreover, low price, can effectually reduce manufacturing cost, improvement production efficiency.
The use process
The linear module 62 drives one carrying gripper 63 of the two carrying grippers 63 to grasp a plurality of workpieces, the carrying gripper 63 is driven by the linear module 62 to move to the upper side of the positioning jig 22, the up-down cylinder 66 drives the mounting plate to move downwards, the workpieces clamped by the clamping cylinder are sleeved on the positioning protrusions 24, meanwhile, the workpieces are matched and positioned with the positioning grooves 25, after the position conditions of the workpieces on each positioning part are detected by the detection sensor 27, the moving cylinder 42 drives the sealing cover plate 3 on the sliding plate 41 to move to the position right above the detection shell 2, the lifting cylinder 46 drives the sliding plate 44 to move along the sliding rod 45 towards the direction of the detection shell 2, the pressing head 55 is abutted with the workpieces, the spring 54 on the pressing seat 51 is compressed under the driving of the lifting cylinder 46, the pressing head 55 is abutted against the workpieces on the positioning plate 23 under the reaction force of the spring 54, the lifting cylinder 46 continues to drive the sealing cover plate 3 towards the direction of the detection shell 2, the sealing cover plate 3 is pressed on the detection shell 2 until the two sealing connection is carried out, the detection shell 2 is aerated, the air tightness detection of each workpiece is completed, and the other workpiece is carried by the other carrying gripper 63 after the detection is completed.
The above-described embodiments are merely preferred embodiments for fully explaining the present utility model, and the scope of the present utility model is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present utility model, and are intended to be within the scope of the present utility model. The protection scope of the utility model is subject to the claims.

Claims (10)

1. The utility model provides a work piece gas tightness detects structure which characterized in that includes:
the machine table is provided with a detection shell, and the detection shell is provided with a vacuum cavity;
the positioning jig is arranged in the vacuum cavity and is used for positioning a workpiece;
the sealing cover plate is arranged above the detection shell, and a sealing cavity is formed by the sealing cover plate and the detection shell;
the pressing component is arranged on the sealing cover plate and used for pressing the workpiece on the positioning jig;
the movable assembly is arranged on the machine table and is in driving connection with the sealing cover plate, and the movable assembly is used for driving the sealing cover plate to cover the detection shell.
2. The workpiece air tightness detection structure according to claim 1, wherein the positioning jig comprises a plurality of positioning members, the plurality of positioning members are uniformly arranged in the vacuum cavity, a detection frame is arranged in the vacuum cavity, a detection sensor is arranged on the detection frame, and the detection sensor is used for the position condition of the workpiece on each positioning member.
3. The workpiece air tightness detection structure as recited in claim 2, wherein the positioning component comprises a positioning plate, the positioning plate is connected with the detection shell, positioning protrusions matched with the workpiece are arranged on the positioning plate, and positioning grooves are formed in the periphery of the positioning protrusions.
4. The workpiece air tightness detection structure according to claim 1, wherein the pressing component comprises at least one pressing seat, a mounting hole is formed in the pressing seat, an intermediate rod is arranged in the mounting hole, a spring is arranged in the mounting hole and connected with the intermediate rod, a limiting protrusion is arranged on the intermediate rod, so that the intermediate rod cannot be separated from the mounting hole, and a pressing head matched with the workpiece is arranged at the free end of the intermediate rod.
5. The workpiece air tightness detection structure according to claim 1, wherein the moving assembly comprises a sliding plate, the sliding plate is arranged on the machine table in a sliding mode, a lifting component is arranged on the sliding plate and is in driving connection with the sealing cover plate, a moving air cylinder is arranged on the machine table and is in driving connection with the sliding plate, and the moving air cylinder drives the sealing cover plate on the sliding plate to move relative to the detection shell.
6. The workpiece air tightness detection structure according to claim 5, wherein the lifting component comprises a lifting frame, a sliding rod is arranged on the lifting frame, a sliding plate is arranged on the sliding rod, the sealing cover plate is arranged on the sliding plate, a lifting cylinder is arranged on the sliding plate and is in driving connection with the sliding plate, and the lifting cylinder drives the sliding plate to move along the sliding rod so as to enable the sealing cover plate to be in sealing connection with the detection shell.
7. The workpiece air tightness detection structure according to claim 5, wherein a limiting block is arranged at one end of the machine table, a buffer frame is arranged at the other end of the machine table, a hydraulic buffer is arranged on the buffer frame, and the hydraulic buffer is arranged opposite to the limiting block and the sliding plate.
8. The workpiece air tightness detection structure of claim 1 further comprising a handling assembly, wherein the handling assembly comprises a handling frame, a linear module is arranged on the handling frame and is in driving connection with the handling frame, a handling gripper is arranged on the handling frame, and the linear module is used for driving the handling gripper to carry the workpiece to the positioning jig.
9. The workpiece air tightness detection structure according to claim 8, wherein the carrying gripper comprises a lifting plate, the lifting plate is slidably arranged on the carrying support, an upper cylinder and a lower cylinder are arranged on the carrying support and are in driving connection with the lifting plate, a mounting plate is arranged at the free end of the lifting plate, a plurality of clamping jaw cylinders are arranged on the mounting plate, clamping blocks are arranged on clamping arms of the clamping jaw cylinders, and clamping grooves matched with the shape of the workpiece are formed in the clamping blocks.
10. The workpiece air tightness detection structure according to claim 8, wherein at least two carrying grippers are provided, the two carrying grippers are arranged on the linear module, and the two carrying grippers are used for respectively feeding the workpiece to the positioning jig and discharging the detected workpiece.
CN202321867771.1U 2023-07-17 2023-07-17 Workpiece air tightness detection structure Active CN220568351U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321867771.1U CN220568351U (en) 2023-07-17 2023-07-17 Workpiece air tightness detection structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321867771.1U CN220568351U (en) 2023-07-17 2023-07-17 Workpiece air tightness detection structure

Publications (1)

Publication Number Publication Date
CN220568351U true CN220568351U (en) 2024-03-08

Family

ID=90102100

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321867771.1U Active CN220568351U (en) 2023-07-17 2023-07-17 Workpiece air tightness detection structure

Country Status (1)

Country Link
CN (1) CN220568351U (en)

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