CN216081929U - Leak detection device and assembly line - Google Patents

Leak detection device and assembly line Download PDF

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Publication number
CN216081929U
CN216081929U CN202121115847.6U CN202121115847U CN216081929U CN 216081929 U CN216081929 U CN 216081929U CN 202121115847 U CN202121115847 U CN 202121115847U CN 216081929 U CN216081929 U CN 216081929U
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detected
leak detection
pressure
bearing
piece
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CN202121115847.6U
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王小平
曹万
吴林
唐文
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Wuhan Finemems Inc
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Wuhan Finemems Inc
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Abstract

The utility model discloses a leak detection device and an assembly production line, the leak detection device comprises a base body, a detection mechanism and a pressure head assembly, the detection mechanism and the pressure head assembly are arranged on the base body, the detection mechanism comprises a bearing seat, the bearing seat is provided with a plurality of bearing positions, each bearing position is used for bearing a piece to be detected, each bearing position is provided with a plurality of pipelines, one end of each pipeline is connected with a medium input source, the other end of each pipeline is connected with each piece to be detected, the pressure head assembly can be movably arranged on the base body up and down to have a movable stroke far away from or close to the bearing seat, the pressure head assembly comprises a plurality of pressure heads, the plurality of pressure heads and the plurality of bearing positions are arranged in a one-to-one opposite mode in the up-and-down direction, and each pressure head is used for pressing against the corresponding piece to be detected in the movable stroke close to the bearing seat. According to the technical scheme provided by the utility model, when each pressure head presses each piece to be detected, the medium input source conveys fluid into the pipeline, and the fluid generates certain pressure on the piece to be detected covered on the pipeline to detect whether the fluid leaks, so that the high-efficiency leak detection device is provided.

Description

Leak detection device and assembly line
Technical Field
The utility model relates to the field of electronic element production equipment, in particular to a leakage detection device and an assembly production line.
Background
At present, because the pressure sensor has strict requirements on the sealing performance, in order to reliably apply the pressure sensor to a specific environment, after production, a fluid is generally required to be introduced into the sensor (such as a sealing steel ball and the like) to detect the sealing performance of the sensor, so as to test whether the sensor meets the factory-qualified standards.
In the prior art, for detecting the leak of the sensor, usually, the output end of the detection device is manually butted with the position to be detected of the sensor, and fluid is introduced into the position to be detected of the sensor through the detection device to perform leak detection. The existing leak detection method of the sensor has the technical problem of low detection efficiency because manual butt joint is adopted and detection needs to be carried out one by one.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a leak detection device and an assembly production line, and aims to solve the problem of low detection efficiency of the existing leak detection device.
In order to achieve the above object, the present invention provides a leak detection apparatus, wherein the leak detection apparatus includes:
the base body is provided with a plurality of fixing holes,
the detection mechanism is arranged on the seat body and comprises a bearing seat, the bearing seat is provided with a plurality of bearing positions, each bearing position is used for bearing one piece to be detected, each bearing position is provided with a plurality of pipelines, one end of each pipeline is connected with a medium input source, the other end of each pipeline is connected with each piece to be detected, and fluid is input into each piece to be detected which is covered on each pipeline;
the pressure head assembly can be movably arranged on the base body up and down to be far away from or close to the movable stroke of the bearing seat, the pressure head assembly comprises a plurality of pressure heads, the pressure heads and the bearing seats are arranged oppositely one by one in the up-down direction, and each pressure head is used for pressing and abutting against the corresponding piece to be detected in the movable stroke close to the bearing seat.
Optionally, the pressure head assembly includes pressure plates, each pressure head is connected to a corresponding lower side of the pressure plate, the leak detection apparatus further includes a driving assembly disposed on the base body, and the driving assembly is drivingly connected to the pressure plates to drive the pressure plates to move away from or close to the bearing base.
Optionally, the bearing seats are provided in a plurality, and each bearing seat is arranged at intervals in the first horizontal direction.
Optionally, the driving assembly includes a first driving device and a second driving device, the first driving device is disposed on the seat body, the first driving device has a first driving portion, the first driving portion has a moving stroke in the first horizontal direction, and the second driving device is mounted on the first driving portion;
the second driving device is provided with a second driving part, the second driving part is provided with a movable stroke along the vertical direction, and the pressing plate is arranged on the second driving part.
Optionally, the leak detection apparatus further includes a controller, a sensing element and a triggering element, one of the sensing element and the triggering element is disposed on the pressing plate, the other is disposed on the bearing seat, the controller is electrically connected to the sensing element and the first driving device, and is configured to control the first driving device to stop driving when the pressing plate moves to the position above the bearing seat and is aligned with the bearing seat.
Optionally, the controller is electrically connected to the second driving device, and is configured to control the second driving device to drive the pressing plate to move towards the bearing seat when the pressing plate moves above the bearing seat and is aligned with the bearing seat.
Optionally, the upper side of the bearing seat is provided with a plurality of placement grooves with upward openings, each placement groove is used for placing each piece to be detected, the bottom wall of each placement groove is provided with a through hole along the vertical direction, and the through holes form each pipeline.
Optionally, the leak detection device further comprises a plurality of sealing rings, each sealing ring is disposed in each of the disposition grooves, so that each sealing ring is sandwiched between each to-be-detected member and the bottom wall of each disposition groove.
Optionally, the detection mechanism further includes a pressure sensor, the pressure sensor is disposed on each side wall of the through hole, and the pressure sensor is configured to detect a pressure value in the pipeline.
The utility model also provides a pressure sensor production device, which is used for assembling a pressure sensor, and the pressure sensor production device comprises the leak detection device, and the leak detection device comprises:
the base body is provided with a plurality of fixing holes,
the detection mechanism is arranged on the seat body and comprises a bearing seat, the bearing seat is provided with a plurality of bearing positions, each bearing position is used for bearing one piece to be detected, each bearing position is provided with a plurality of pipelines, one end of each pipeline is connected with a medium input source, the other end of each pipeline is connected with each piece to be detected, and fluid is input into each piece to be detected which is covered on each pipeline;
the pressure head assembly can be movably arranged on the base body up and down to be far away from or close to the movable stroke of the bearing seat, the pressure head assembly comprises a plurality of pressure heads, the pressure heads and the bearing seats are arranged oppositely one by one in the up-down direction, and each pressure head is used for pressing and abutting against the corresponding piece to be detected in the movable stroke close to the bearing seat.
In the technical scheme provided by the utility model, the leak detection device is provided with a base body, a detection mechanism and a pressure head assembly, wherein the detection mechanism and the pressure head assembly are arranged on the base body, the detection mechanism comprises a bearing seat, the bearing seat is provided with a plurality of bearing positions, each bearing position is used for bearing an element to be detected, the pressure head assembly is arranged above the bearing seat, the pressure head assembly can be movably arranged on the base body up and down so as to have a movable stroke far away from or close to the bearing seat, the pressure head assembly comprises a plurality of pressure heads, the plurality of pressure heads and the plurality of bearing positions are arranged in a vertical one-to-one opposite mode, each pressure head is used for pressing the corresponding element to be detected in the movable stroke close to the bearing seat, as each bearing position is provided with a plurality of pipelines, the element to be detected is covered on each pipeline, and one end of each pipeline is connected with a medium input source, the other end of the pressure head is used for being connected with the pieces to be detected, when the pressure head presses against the pieces to be detected, the medium input source conveys fluid into the pipeline, and the fluid generates certain pressure on the pieces to be detected covered on the pipeline to detect whether the fluid leaks, so that the leakage detecting device for detecting the leakage efficiently is provided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic perspective view of one embodiment of leak detection apparatus provided by the present invention;
FIG. 2 is a partial cross-sectional view of the sensing mechanism of FIG. 1.
The reference numbers illustrate:
reference numerals Name (R) Reference numerals Name (R)
100 Leak detection device 22 Sealing ring
1000 Piece to be detected 3 Pressure head assembly
1 Base body 31 Pressure head
2 Detection mechanism 32 Pressing plate
21 Bearing seat 4 Drive assembly
211 Placing groove 41 First driving device
212 Pipeline 42 Second driving device
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
At present, because the pressure sensor has strict requirements on the sealing performance, in order to reliably apply the pressure sensor to a specific environment, after production, a fluid is generally required to be introduced into the sensor (such as a sealing steel ball and the like) to detect the sealing performance of the sensor, so as to test whether the sensor meets the factory-qualified standards. In the prior art, for detecting the leak of the sensor, usually, the output end of the detection device is manually butted with the position to be detected of the sensor, and fluid is introduced into the position to be detected of the sensor through the detection device to perform leak detection. The existing leak detection method of the sensor has the technical problem of low detection efficiency because manual butt joint is adopted and detection needs to be carried out one by one.
In order to solve the above-described problems, the present invention provides a leak detection apparatus 100, and fig. 1 to 2 show an embodiment of the leak detection apparatus 100 provided by the present invention.
Referring to fig. 1 to 2, the leak detection apparatus 100 includes a base 1, a detection mechanism 2 and a pressure head assembly 3, the detection mechanism 2 is disposed on the base 1, the detection mechanism 2 includes a bearing base 21, the bearing base 21 has a plurality of bearing positions, each of the bearing positions is configured to bear one to-be-detected element 1000, each of the bearing positions is provided with a plurality of pipelines 212, one end of each of the pipelines 212 is connected to a medium input source, and the other end of each of the pipelines 212 is configured to be connected to each of the to-be-detected elements 1000, so as to input a fluid to each of the to-be-detected elements 1000 covered on each of the pipelines 212; the pressure head assembly 3 is movably disposed on the base 1 up and down to have a moving stroke away from or close to the bearing seat 21, the pressure head assembly 3 includes a plurality of pressure heads 31, the plurality of pressure heads 31 and the plurality of bearing positions are disposed in an up-down direction and opposite to each other, and each pressure head 31 is used for pressing against the corresponding to-be-detected object 1000 in the moving stroke close to the bearing seat 21.
In the technical solution provided by the present invention, a leak detection apparatus 100 is provided with a base body 1, and a detection mechanism 2 and a pressure head assembly 3 which are arranged on the base body 1, wherein the detection mechanism 2 includes a bearing seat 21, the bearing seat 21 has a plurality of bearing positions, each of the bearing positions is used for bearing one piece to be detected 1000, the pressure head assembly 3 is arranged above the bearing seat 21, the pressure head assembly 3 can be movably arranged on the base body 1 up and down to have a moving stroke far away from or close to the bearing seat 21, the pressure head assembly 3 includes a plurality of pressure heads 31, the plurality of pressure heads 31 and the plurality of bearing positions are arranged in a one-to-one opposite manner in the up and down direction, each pressure head 31 is used for pressing against the corresponding piece to be detected 1000 in the moving stroke close to the bearing seat 21, because each of the bearing position is provided with a plurality of pipelines 212, the piece to be detected 1000 is covered on each pipeline 212, one end of each pipeline 212 is connected with a medium input source, and the other end of each pipeline is used for being connected with each piece to be detected 1000, when each pressure head 31 presses against each piece to be detected 1000, the medium input source conveys fluid into the pipeline 212, and the fluid generates certain pressure on the piece to be detected 1000 covered on the pipeline 212, so as to detect whether the fluid leaks, thereby providing the leak detection device 100 for high-efficiency leak detection.
Specifically, in order to conveniently control the moving stroke and the pressure of the pressing heads 31 when the pressing heads press against the pieces to be detected 1000, in this embodiment, the pressing head assembly 3 includes a pressing plate 32, each pressing head 31 is connected to the lower side of the corresponding pressing plate 32, the leak detection apparatus 100 further includes a driving assembly 4 disposed on the base body 1, the driving assembly 4 is connected to the pressing plate 32 in a driving manner to drive the pressing plate 32 to move away from or close to the bearing seat 21, so that the pressing plate 32 is driven by the driving assembly 4 to move, the pressing plates 32 drive the pressing heads 31 to move simultaneously, the moving strokes are consistent, it is ensured that the pressures applied to the pieces to be detected 1000 are the same, it is not necessary to provide a plurality of driving assemblies 4 to press against the pieces to be detected 1000, the setting is convenient for control, and the apparatus has a simple structure, and the cost is low.
Further, in order to improve the detection efficiency, in this embodiment, the bearing seats 21 are provided in a plurality, and each bearing seat 21 is arranged at an interval in the first horizontal direction, so that when the to-be-detected piece 1000 on one of the bearing seats 21 of the plurality of bearing seats 21 is detected, a plurality of to-be-detected pieces 1000 can be placed on the other bearing seats 21, and thus, after each to-be-detected piece 1000 of the previous batch is detected, each to-be-detected piece 1000 of the next batch can be detected immediately.
Specifically, the manner of driving each pressing head 31 is various, specifically in this embodiment, the driving assembly 4 includes a first driving device 41 and a second driving device 42, the first driving device 41 is disposed on the base body 1, the first driving device 41 has a first driving portion, the first driving portion has a movable stroke in the first horizontal direction, so that each pressing head 31 can press down a plurality of pieces 1000 to be detected on the bearing seats 21 disposed in the first horizontal direction, the second driving device 42 is mounted on the first driving portion, the second driving device 42 has a second driving portion, the second driving portion has a movable stroke in the up-down direction, the pressing plate 32 is disposed on the second driving portion, and the second driving portion drives the pressing plate 32 to press down.
Further, in this embodiment, the leak detection apparatus 100 further includes a controller, a sensing element and a triggering element, one of the sensing element and the triggering element is disposed on the pressing plate 32, the other is disposed on the bearing seat 21, the controller is electrically connected to the sensing element and the first driving device 41, so that when the pressing plate 32 moves above the bearing seat 21 and is aligned, the controller controls the first driving device 41 to stop driving, and thus, by setting the sensing element and the triggering element, the precise position of the pressing plate 32 is accurately controlled, so that each pressing head 31 on the pressing plate 32 can be accurately and correspondingly pressed on each to-be-detected element 1000. The sensor and the trigger piece can be infrared sensors or microwave sensors and the like, the type of the sensor is not limited by the scheme, and all inductive switches capable of triggering and sensing are within the protection range of the scheme.
Further, similarly, in order to stop the driving of the first driving device 41, each pressing head 31 on the pressing plate 32 starts to press each to-be-detected object 1000, in this embodiment, the controller is electrically connected to the second driving device 42, so that when the pressing plate 32 moves above the bearing seat 21 and is aligned, the controller controls the second driving device 42 to drive the pressing plate 32 to move towards the bearing seat 21.
Further, referring to fig. 2, in this embodiment, the upper side of the bearing seat 21 is provided with a plurality of disposition grooves 211 with upward openings, so that when the pieces to be detected 1000 are placed in the disposition grooves 211 to shake, the side walls of the disposition grooves 211 exert a certain supporting force on the peripheral sides of the pieces to be detected 1000, so that the pieces to be detected 1000 can be stably placed on the bearing seat 21, each disposition groove 211 is used for disposing each piece to be detected 1000, and the bottom wall of each disposition groove 211 is provided with a through hole extending in the vertical direction, so that the input port of the medium input source can be directly connected with the lower side of the through hole, so that the through hole forms each pipeline 212.
Further, because the bottom of each to-be-detected member 1000 is not absolutely flat, and in the detection process, it is necessary to ensure that the pipeline 212 is in a sealed state, in this embodiment, the detection mechanism 2 further includes a plurality of sealing rings 22, each sealing ring 22 is disposed in each disposition groove 211, so that each sealing ring 22 is sandwiched between each to-be-detected member 1000 and the bottom wall of each disposition groove 211, the sealing ring 22 is made of an elastic material, and when each to-be-detected member 1000 is pressed down, the sealing ring 22 is elastically deformed to a certain extent, and is attached to the bottom wall of each disposition groove 211 and the bottom of each to-be-detected member 1000, so as to ensure that the detection environment is in a sealed state, and ensure the accuracy of the detection result.
Specifically, the to-be-detected member 1000 may be a plurality of products having requirements on sealing performance in a real product, taking a pressure sensor as an example, because the pressure sensor is an electronic component for testing pressure magnitude or pressure variation, if the pressure sensor tests a pressure value of gas or liquid, the pressure sensor must have strict sealing performance in order to ensure that the tested pressure value is accurate, in this embodiment, the detection mechanism 2 further includes a pressure sensor, the pressure sensor is disposed on a side wall of each through hole, the pressure sensor is configured to detect a pressure value in the pipeline 212, it should be noted that the pressure sensor is a standard pressure sensor, the pressure value in the pipeline 212 tested by the standard pressure sensor is a standard value, and the pressure value tested by the to-be-detected member 1000 may be compared with the value of the standard pressure sensor, to detect whether the piece 1000 to be detected is qualified or not and the condition of air leakage does not exist.
The present invention further provides an assembly line, configured to assemble a pressure sensor, where the assembly line includes the leak detection apparatus 100, and the specific structure of the leak detection apparatus 100 refers to the foregoing embodiments, and since the assembly line employs all technical solutions of all the foregoing embodiments, the assembly line at least has all beneficial effects brought by all the technical solutions of all the foregoing embodiments, and details are not repeated here.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. A leak detection apparatus, comprising:
the base body is provided with a plurality of fixing holes,
the detection mechanism is arranged on the seat body and comprises a bearing seat, the bearing seat is provided with a plurality of bearing positions, each bearing position is used for bearing one piece to be detected, each bearing position is provided with a plurality of pipelines, one end of each pipeline is connected with a medium input source, the other end of each pipeline is connected with each piece to be detected, and fluid is input into each piece to be detected which is covered on each pipeline;
the pressure head assembly can be movably arranged on the base body up and down to be far away from or close to the movable stroke of the bearing seat, the pressure head assembly comprises a plurality of pressure heads, the pressure heads and the bearing seats are arranged oppositely one by one in the up-down direction, and each pressure head is used for pressing and abutting against the corresponding piece to be detected in the movable stroke close to the bearing seat.
2. Leak detection apparatus according to claim 1, wherein said ram assemblies include pressure plates, each of said rams being connected to an underside of a corresponding one of said pressure plates, said leak detection apparatus further comprising a drive assembly disposed in said housing, said drive assembly being drivingly connected to said pressure plates for driving said pressure plates away from or toward said carrier.
3. Leak detection apparatus according to claim 2, wherein said carrier block is provided in plurality, and said carrier blocks are arranged at intervals in the first horizontal direction.
4. The leak detection apparatus as defined in claim 3, wherein said drive assembly includes a first drive unit and a second drive unit, said first drive unit being disposed on said housing, said first drive unit having a first drive portion with a travel in said first horizontal direction, said second drive unit being mounted to said first drive portion;
the second driving device is provided with a second driving part, the second driving part is provided with a movable stroke along the vertical direction, and the pressing plate is arranged on the second driving part.
5. The leak detection apparatus as defined in claim 4, further comprising a controller, a sensing element and a triggering element, one of the sensing element and the triggering element being disposed on the pressure plate and the other of the sensing element and the triggering element being disposed on the carrier, the controller being electrically connected to the sensing element and the first driving device for controlling the first driving device to stop driving when the pressure plate moves above the carrier and is aligned.
6. The leak detection apparatus as defined in claim 5, wherein the controller is electrically connected to the second driving device for controlling the second driving device to drive the pressing plate to move toward the carrier when the pressing plate moves above and aligns with the carrier.
7. The leak detection device according to claim 1, wherein a plurality of placement grooves with upward openings are formed in the upper side of the bearing seat, each placement groove is used for placing each piece to be detected, a through hole penetrates through the bottom wall of each placement groove in the vertical direction, and each pipeline is formed by the through holes.
8. The leak detection apparatus as defined in claim 7, further comprising a plurality of sealing rings, each of which is disposed in each of the disposition grooves such that each of the sealing rings is interposed between each of the members to be detected and the bottom wall of each of the disposition grooves.
9. The leak detection apparatus as defined in claim 8, wherein said sensing mechanism further comprises a pressure sensor disposed in each of said through-hole sidewalls, said pressure sensor being configured to sense a pressure value within said conduit.
10. An assembly line for assembling a pressure sensor, comprising a leak detection apparatus as claimed in any one of claims 1 to 9.
CN202121115847.6U 2021-05-24 2021-05-24 Leak detection device and assembly line Active CN216081929U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121115847.6U CN216081929U (en) 2021-05-24 2021-05-24 Leak detection device and assembly line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121115847.6U CN216081929U (en) 2021-05-24 2021-05-24 Leak detection device and assembly line

Publications (1)

Publication Number Publication Date
CN216081929U true CN216081929U (en) 2022-03-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121115847.6U Active CN216081929U (en) 2021-05-24 2021-05-24 Leak detection device and assembly line

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Country Link
CN (1) CN216081929U (en)

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