CN215910071U - Multi-station sealing detection equipment - Google Patents
Multi-station sealing detection equipment Download PDFInfo
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- CN215910071U CN215910071U CN202122498929.XU CN202122498929U CN215910071U CN 215910071 U CN215910071 U CN 215910071U CN 202122498929 U CN202122498929 U CN 202122498929U CN 215910071 U CN215910071 U CN 215910071U
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Abstract
The utility model discloses a multi-station sealing detection device, which comprises: a horizontally arranged mounting base; the clamping unit is arranged on the top surface of the mounting base, and a plurality of pressure sensors to be detected are horizontally clamped in the clamping unit; and the electrical control cabinet is arranged on the top surface of the mounting seat and is communicated with the clamping unit and a gas passage of an external gas source. It need be manual or with the help of extra instrument, like spanner twist in or screw off pressure sensor's problem when having solved the pressure sensor that is detected of switching among the prior art, when getting on the seal receptacle and putting pressure sensor, has changed the connected mode of pressure sensor with the seal receptacle, has reduced the degree of difficulty of installation and dismantlement pressure sensor. And, carry out the gas tightness through the multistation structure to a plurality of pressure sensor simultaneously and detect, improved detection efficiency.
Description
Technical Field
The utility model relates to the technical field of detection of pressure sensors, in particular to a device for detecting the tightness of a pressure sensor in a multi-station mode.
Background
In the production process of mechanical parts, the parts to be processed are generally required to have sealing performance, for example, in the automobile industry, if the sealing performance of a certain automobile part does not meet the standard, internal oil and water can permeate into other parts, and the whole automobile internal system is broken down. Pressure sensor type product belongs to one of the key safety class part of car, and pressure sensor's structure is rectangular shape, and one end is connected with the lead wire, and outside general parcel has the rubber protective sheath, and it is qualified that the sealing performance of pressure sensor in the use reaches 100%, if pressure sensor takes place into water scheduling problem, can directly influence the function realization of whole product, causes pressure sensor malfunctioning, and safety coefficient is impaired, seriously influences driving safety. Therefore, in order to ensure that the pressure sensor does not leak gas or liquid in the using process, the pressure sensor needs to be subjected to air tightness detection to determine whether the pressure sensor is qualified or not, and products with sealing performance which does not meet the standard are detected in advance, so that installation or use accidents are avoided.
In the existing practical production, see fig. 1, when performing the sealing detection on the pressure sensor with the sealing requirement, the pressure sensor 1 to be detected is generally screwed into the simple seal seat 2 through the screw thread, then the air pipe quick connector connected with the rear half part of the simple seal seat 2 provides compressed air with a certain pressure to the sealed space formed by the pressure sensor 1 and the simple seal seat 2, after the compressed air is introduced, a little soap water or bubble liquid is smeared on the end surface (grid surface) of the pressure sensor by the detector, and if the sealing performance of the pressure sensor is not up to standard, soap bubbles are generated on the end surface of the pressure sensor to identify the defective piece with the sealing performance not up to standard. However, this tightness detection method requires a tester to manually screw in or unscrew the pressure sensor, which causes inefficiency and inconvenience in switching the pressure sensor, and requires a general tool such as a wrench to operate due to a large screw resistance because it needs to be sealed.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problems, embodiments of the present invention are directed to providing a multi-station sealing detection apparatus.
The technical scheme of the utility model is realized as follows:
a multistation seal check out test set, multistation seal check out test set includes:
a horizontally arranged mounting base;
the clamping unit is mounted on the top surface of the mounting base and comprises a pressing cylinder, a multi-station positioning seat, a multi-station sealing cavity seat and a gas distribution plate, a plurality of pressure sensors to be detected are horizontally clamped in the multi-station positioning seat, the multi-station sealing cavity seat corresponds to the multi-station positioning seat one by one, the pressing cylinder is used for driving the multi-station sealing cavity seat to be close to the multi-station positioning seat in the horizontal direction so as to form a plurality of corresponding sealing spaces together with the plurality of pressure sensors to be detected clamped in the multi-station positioning seat, the gas distribution plate provides high-pressure gas required by gas tightness detection for the sealing spaces, and the pressing cylinder is further used for driving the multi-station sealing cavity seat to be far away from the multi-station positioning seat in the horizontal direction so as to release the pressure sensors to be detected;
and the electrical control cabinet is arranged on the top surface of the mounting base and is communicated with the clamping unit and a gas passage of an external gas source.
Preferably, the electrical control cabinet is provided with a pneumatic triple piece, and the pneumatic triple piece is communicated with the external air source and adjusts the input air pressure.
Preferably, the electric control cabinet is further provided with a pressure build solenoid valve and a pressure release solenoid valve, wherein the pressure build solenoid valve is matched with the pressure release solenoid valve to supply and release air to the sealed cavity through the air distribution plate.
Preferably, the electrical control cabinet is further provided with a two-position five-way electromagnetic valve, and the two-position five-way electromagnetic valve is communicated with the pressing cylinder and drives the pressing cylinder to stretch.
Preferably, divide the gas board with the sealed chamber seat syntropy of multistation arranges, divide gas board one end with build the electromagnetism valve with the pressure release solenoid valve intercommunication is the air inlet, divide be equipped with on the gas board with the same air vent of sealed chamber seat number on the sealed chamber seat of multistation, the air vent all through the pipeline with the sealed chamber seat sealing connection of multistation.
Preferably, the multistation positioning seat is equipped with a plurality of centre gripping along its length direction pressure sensor's hole, the hole is outwards opened by the upper shed, the upper shed only allows the pressure sensor pencil of waiting to examine passes through.
Preferably, the clamping unit further comprises a double button electrically connected to the pressing cylinder and requiring simultaneous pressing of both buttons to start operation.
Preferably, the clamping unit further comprises a pair of reflective photoelectric sensors for preventing hand clamping, wherein the reflective photoelectric sensors are arranged between the multi-station positioning seat and the multi-station sealed cavity seat and are electrically connected with the double buttons.
The embodiment of the utility model provides multi-station sealing detection equipment, which solves the problem that a pressure sensor needs to be screwed in or off manually or by means of an additional tool such as a wrench when the pressure sensor is switched in the prior detection technology, changes the connection mode of the pressure sensor and a sealing seat when the pressure sensor is taken and placed on the sealing seat, and reduces the difficulty of mounting and dismounting the pressure sensor. And, carry out the gas tightness through the multistation structure to a plurality of pressure sensor simultaneously and detect, improved detection efficiency.
Drawings
FIG. 1 is a prior art seal test for a pressure sensor having a seal requirement in the art;
FIG. 2 is a perspective view of the multi-station seal inspection apparatus provided in the present invention;
FIG. 3 is a front view of the multi-station seal inspection apparatus provided in the present invention;
FIG. 4 is a top view of the multi-station seal inspection apparatus provided in the present invention;
FIG. 5 is an exploded view of the multi-station seal inspection apparatus provided by the present invention;
FIG. 6 is a schematic view of a clamping unit of an embodiment of the present invention;
FIG. 7 is a pneumatic triplet of an embodiment of the present invention;
FIG. 8 is a pressure build solenoid valve and a pressure relief solenoid valve of an embodiment of the present invention;
FIG. 9 is a two-position, five-way solenoid valve according to an embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, 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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Fig. 2 is a perspective view of the multi-station seal detection apparatus provided by the present invention, fig. 3 is a front view of the multi-station seal detection apparatus provided by the present invention, fig. 4 is a plan view of the multi-station seal detection apparatus provided by the present invention, fig. 5 is an exploded view of the multi-station seal detection apparatus provided by the present invention, and fig. 6 is a schematic view of a clamping unit according to an embodiment of the present invention. Referring to fig. 2 to 6, an example of the multi-station seal inspection apparatus 100 of the present invention includes:
a horizontally disposed mounting base 110. The mounting base 110 has a plurality of threaded holes, and the mounting base 100 further has mounting slots for fixedly mounting other components on the mounting base 110. In addition, the multi-station seal inspection apparatus 100 is detachably mounted at a position to be set by screws.
And a clamping unit 120 installed on the top surface of the installation base, the clamping unit 120 being used to position and seal the pressure sensor 1 to be tested. Further, the clamping unit 120 includes a gas distribution plate 121, a pressing cylinder 122, a multi-station sealing cavity seat 123 and a multi-station positioning seat 124. The multi-station positioning seat 124 is fixedly mounted on the mounting base 110 through the mounting clamping groove, and a plurality of positioning seats are arranged side by side along the length direction of the multi-station positioning seat, and the positioning seat is shaped like a hole H matched with the pressure sensor 1 in shape of a wire end. As shown in fig. 1, the end face of the pressure sensor having the lead end remote from the lead is provided with a boss 101. The boss 101 abuts the pressure sensor 1 against the end surface of the hole H to limit the pressure sensor 1 in the horizontal direction. Further, hole H has the upper shed to outwards open, the opening only allows the wire of the pressure sensor who treats to pass through to realize accomplishing pressure sensor 1's quick getting, dress through carrying the wire, simultaneously through dragging the pencil along the horizontal direction, make pressure sensor 1's boss 101 butt multistation positioning seat 124's terminal surface accomplish pressure sensor 1's quick location.
The multi-station sealing cavity base 123 is provided with sealing cavities the number of which is the same as that of the positioning bases in the multi-station positioning base 124, the sealing cavities and the positioning bases are in one-to-one correspondence and are coaxially arranged, when the sealing cavities are close to the positioning bases, the end faces of the sealing cavities are close to and extrude the bosses 101 of the pressure sensor, and the pressure sensor 1 is clamped between the sealing cavities and the positioning bases through the multi-station sealing cavity base 123 moving in the horizontal direction, so that the part to be detected of the pressure sensor 1 is completely sealed in the sealing cavities. The horizontal movement of the multi-station sealing cavity seat 123 is driven by a pressing cylinder 122 connected with the multi-station sealing cavity seat, the pressing cylinder 122 is fixedly connected to one end of the multi-station sealing cavity seat 123, and the multi-station sealing cavity seat 123 is close to or far away from the multi-station positioning seat 124 in the horizontal direction through the pressing cylinder 122 so as to realize the sealing clamping and the dismounting of the detected pressure sensor.
Besides, when the multi-station sealing cavity seat 123 and the multi-station positioning seat 124 are used for sealing and clamping the pressure sensor 1, the clamping unit 120 further comprises a gas distribution plate 121, the gas distribution plate 121 is communicated with the interior of the multi-station sealing cavity seat 123, high-pressure gas for tightness test input through a single input channel is divided into a plurality of strands through the gas distribution plate 121, high-pressure gas for detection is input into each sealing space formed by the multi-station sealing cavity seat 123 and the multi-station positioning seat 124, and whether gas leakage exists at the unsealed end of the pressure sensor is detected through detection equipment, so that whether the pressure sensor meets the sealing standard is determined.
In some examples, the multi-station seal detection apparatus 100 further includes an electrical control cabinet 130 fixedly mounted on the top surface of the mounting base, and mainly controls the gas passage of an external gas source communicating with the clamping unit.
In some examples, the electrical control cabinet 130 is provided with a pneumatic triplet 131 that communicates with the external gas source and regulates the pressure of the incoming gas. The pneumatic triple 131 is a combination of three air source processing elements, namely an air filter (F), a pressure reducing valve (R) and an oil atomizer (L). The air source used for entering the pneumatic instrument is purified, filtered and decompressed to the rated air source pressure supplied by the instrument, which is equivalent to the function of a power transformer in a circuit. The air filter is used for cleaning an air source, and can filter moisture in compressed air and prevent the moisture from entering the device along with the air. The pressure reducing valve stabilizes the pressure of the air source to make the air source in a constant state, so that the damage to hardware such as a valve or an actuator and the like caused by sudden change of the air pressure of the air source can be reduced. And the oil atomizer lubricates moving parts of the machine body, can lubricate parts which are inconvenient to be lubricated with lubricating oil, and greatly prolongs the service life of the machine body.
In some examples, the electrical control cabinet 130 is further provided with a pressure build-up solenoid valve 132a and a pressure release solenoid valve 132b, which mainly control the flow rate and velocity of the high-pressure detection gas flowing into and out of the gas distribution plate 121, so as to cooperate with the multi-station seal cavity seat 123 and the multi-station positioning seat 124 to provide the high-pressure detection gas to the formed seal space when the pressure sensor is sealed and clamped; alternatively, before the multi-station sealing cavity seat 123 is far away from the multi-station positioning seat 124 to unload the pressure sensor, the high-pressure gas in the sealing space is released, so as to avoid the dangerous accident caused by the high-pressure gas. One end of the gas distribution plate 121, which is communicated with the pressure build-up solenoid valve 132a and the pressure relief solenoid valve 132b, is a gas inlet for high-pressure gas, and the high-pressure gas is divided into a plurality of gas strands through the gas distribution plate 121 and flows into corresponding sealed spaces respectively.
In some examples, the electrical control cabinet 130 is further provided with a two-position five-way solenoid valve 133, and the two-position five-way solenoid valve 133 is an automatic basic element for controlling fluid, and belongs to an actuator, and mainly functions to control the extension and retraction of the pressing cylinder 122 so as to complete the horizontal movement of the multi-station seal cavity seat 123.
In some examples, the clamping unit 120 further includes a safety device, which is mainly used to ensure the personal safety of the operator before the multi-station sealing detection apparatus 100 starts, referring to fig. 5, such as a reflective photoelectric sensor 141 and a dual-button device 142 fixedly installed on the mounting base 110, when the operator accidentally inserts a hand into the sealed area during the detection process, the reflective photoelectric sensor 141 senses that a human hand is present in the working area and starts a reaction procedure, so as to immediately stop the detection process; meanwhile, the device is started through the design of the double button 142, which helps to guarantee the personal safety of the operator.
According to the multi-station sealing detection equipment provided by the utility model, ten station sealing seats are arranged on a selected multi-station sealing seat, correspondingly, the multi-station sealing detection equipment can be used for simultaneously detecting ten pressure sensors, and the equipment mainly comprises: the device comprises an electric control unit, a pneumatic triple piece, a build-up electromagnetic valve, a two-position five-way electromagnetic valve, a pressure relief electromagnetic valve, an installation bottom plate, ten pressure sensors, a ten-station positioning seat, a double button, a reflection type photoelectric sensor, a ten-station sealed cavity seat, a compression cylinder and an air distribution plate; wherein the electrical control unit & dual button provides for device start-up, parameter setting; the pneumatic triple piece, the two-position five-way electromagnetic valve, the build-up electromagnetic valve, the gas distribution plate, the pressing cylinder, the ten-station sealing cavity seat, the pressure relief electromagnetic valve and the like are responsible for injecting compressed gas into the plurality of pressure sensors to complete sealing detection and releasing the compressed gas after detection is completed; the ten-station positioning seat realizes quick taking and positioning of a plurality of ten pressure sensors; the reflective photoelectric sensor provides safety guarantee and prevents hands from accidentally extending into the sensor. When the multi-station sealing detection equipment is used, ten pressure sensors are sequentially placed into ten station positioning seats through the lead wires on the traction pressure sensors; secondly, after the double buttons are started by two hands, the pressing cylinder controls the ten-station sealing cavity seat to be close to the ten-station positioning seat along the horizontal direction, the pressure sensor to be detected is sealed in a formed sealing space, and compressed gas with certain pressure intensity is supplied to the ten pressure sensors through the pressure building solenoid valve; then smearing a little bubble liquid on the end surfaces (grid surfaces) of the ten pressure sensors in sequence, and searching leaked parts through soap bubbles generated at the air leakage position; after the double buttons are started again, the pressure relief solenoid valve releases compressed gas, the compression cylinder retracts automatically, and the ten-station sealing cavity seat is driven to be far away from the ten-station positioning seat along the horizontal direction; and finally, the operator takes out the ten pressure sensors which are detected and reasonably puts the ten pressure sensors.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (8)
1. The utility model provides a multistation seals check out test set which characterized in that, multistation seals check out test set includes:
a horizontally arranged mounting base;
the clamping unit is mounted on the top surface of the mounting base and comprises a pressing cylinder, a multi-station positioning seat, a multi-station sealing cavity seat and a gas distribution plate, a plurality of pressure sensors to be detected are horizontally clamped in the multi-station positioning seat, the multi-station sealing cavity seat corresponds to the multi-station positioning seat one by one, the pressing cylinder is used for driving the multi-station sealing cavity seat to be close to the multi-station positioning seat in the horizontal direction so as to form a plurality of corresponding sealing spaces together with the plurality of pressure sensors to be detected clamped in the multi-station positioning seat, the gas distribution plate provides high-pressure gas required by gas tightness detection for the sealing spaces, and the pressing cylinder is further used for driving the multi-station sealing cavity seat to be far away from the multi-station positioning seat in the horizontal direction so as to release the pressure sensors to be detected;
and the electrical control cabinet is arranged on the top surface of the mounting base and is communicated with the clamping unit and a gas passage of an external gas source.
2. The multi-station sealing detection equipment according to claim 1, wherein a pneumatic triplet is arranged on the electric control cabinet, and the pneumatic triplet is communicated with the external air source and adjusts the pressure of the input air.
3. The multi-station seal detection equipment according to claim 1, wherein a build solenoid valve and a pressure relief solenoid valve are further arranged on the electrical control cabinet, and the build solenoid valve and the pressure relief solenoid valve are matched to supply and release air to the seal cavity through the air distribution plate.
4. The multi-station sealing detection device according to claim 1, wherein the electrical control cabinet is further provided with a two-position five-way electromagnetic valve, and the two-position five-way electromagnetic valve is communicated with the pressing cylinder and drives the pressing cylinder to stretch.
5. The multi-station sealing detection device according to claim 3, wherein the gas distribution plate is arranged in the same direction as the multi-station sealing cavity seat, one end of the gas distribution plate is communicated with the build-up solenoid valve and the pressure relief solenoid valve to form gas inlets, the gas distribution plate is provided with vent holes, the number of the vent holes is the same as that of the sealing cavity seats on the multi-station sealing cavity seat, and the vent holes are hermetically connected with the multi-station sealing cavity seat through pipelines.
6. The multi-station seal detection device according to claim 1, wherein the multi-station positioning seat is provided with a plurality of holes for clamping the pressure sensors along the length direction, the holes are opened outwards through an upper opening, and the upper opening only allows the wire harness of the pressure sensor to be detected to pass through.
7. The multi-station seal detection apparatus according to claim 1, wherein the clamping unit further comprises a double button electrically connected to the pressing cylinder and requiring two buttons to be pressed simultaneously to start operation.
8. The multi-station seal detection apparatus according to claim 7, wherein the clamping unit further comprises a pair of reflective photoelectric sensors for preventing hand clamping, the reflective photoelectric sensors are arranged between the multi-station positioning seat and the multi-station seal cavity seat and are electrically connected with the double buttons.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122498929.XU CN215910071U (en) | 2021-10-15 | 2021-10-15 | Multi-station sealing detection equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122498929.XU CN215910071U (en) | 2021-10-15 | 2021-10-15 | Multi-station sealing detection equipment |
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| CN215910071U true CN215910071U (en) | 2022-02-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115585955A (en) * | 2022-09-14 | 2023-01-10 | 广州岭南电缆股份有限公司 | High tension cable traction head air tightness test device |
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2021
- 2021-10-15 CN CN202122498929.XU patent/CN215910071U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115585955A (en) * | 2022-09-14 | 2023-01-10 | 广州岭南电缆股份有限公司 | High tension cable traction head air tightness test device |
| CN115585955B (en) * | 2022-09-14 | 2023-08-15 | 广州岭南电缆股份有限公司 | High-voltage cable traction head air tightness test device |
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