CN213658199U - Leak detection device for automatically detecting forming quality of oil duct of workpiece - Google Patents
Leak detection device for automatically detecting forming quality of oil duct of workpiece Download PDFInfo
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- CN213658199U CN213658199U CN202023239156.5U CN202023239156U CN213658199U CN 213658199 U CN213658199 U CN 213658199U CN 202023239156 U CN202023239156 U CN 202023239156U CN 213658199 U CN213658199 U CN 213658199U
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Abstract
The utility model belongs to the technical field of workpiece leak detection equipment, in particular to a leak detection device for automatically detecting the forming quality of a workpiece oil duct, which comprises a clamp, wherein an air inlet pipe with one end capable of being in sealing fit with one end of the oil duct is connected on the clamp, and the other end of the air inlet pipe is communicated with a pneumatic position sensor; the clamp is connected with an air outlet pipe, one end of the air outlet pipe can be in sealing fit with the other end of the oil duct, and the other end of the air outlet pipe is communicated with a pneumatic pressure sensor; the pneumatic position sensor and the pneumatic pressure sensor are both electrically connected with the PLC, and the PLC is electrically connected with a signal prompter. The scheme solves the problem that the forming quality of the oil duct of the workpiece is easily in an out-of-control state during leakage detection in the prior art.
Description
Technical Field
The utility model belongs to the technical field of work piece leak hunting equipment, specifically be an automatic leak hunting device of detection work piece oil duct shaping quality.
Background
On workpieces that are connected to and supported by rotating parts, oil channels are often provided for conveying a lubricating or cooling fluid, such as the casing of an engine. The air tightness detection of the forming quality of the workpiece is mainly performed by a leakage detection device, and the detection of the forming quality of the oil channel is mainly performed by visual inspection, namely visual inspection of whether the oil channel is cracked or penetrated is performed. For some oil ducts with hidden positions, the oil ducts cannot be detected in a visual inspection mode, so that the oil ducts are easily in a state of out-of-control detection, and workpieces with quality problems enter the next flow easily, so that the greater quality problems are caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic leak hunting device of detection work piece oil duct shaping quality to the shaping quality of work piece oil duct is in the problem of out of control state easily when the leak hunting among the solution prior art.
In order to achieve the purpose, the basic scheme of the utility model provides a leak detection device for automatically detecting the forming quality of a workpiece oil duct, which comprises a clamp, wherein an air inlet pipe with one end capable of being matched with one end of the oil duct in a sealing way is connected on the clamp, and the other end of the air inlet pipe is communicated with a pneumatic position sensor; the clamp is connected with an air outlet pipe, one end of the air outlet pipe can be in sealing fit with the other end of the oil duct, and the other end of the air outlet pipe is communicated with a pneumatic pressure sensor; the pneumatic position sensor and the pneumatic pressure sensor are both electrically connected with the PLC, and the PLC is electrically connected with a signal prompter.
The principle and the beneficial effect of the basic scheme are as follows: air with rated pressure enters an air inlet pipe through a pneumatic position sensor and enters an oil duct from the air inlet pipe, when the oil duct has no cracks, parameters of the air flowing out of the oil duct are in a normal value range, a normal value is set on the pneumatic position sensor at the moment, an air parameter signal detected by the pneumatic position sensor is in a normally set numerical value range, and a PLC continues to execute the next control procedure after judging that no cracks exist according to the signal of the pneumatic position sensor; when the oil duct has cracks, parameters of air flowing out of the oil duct deviate from a normal range, at the moment, air parameter signals detected in the pneumatic position sensor deviate from a normally set numerical range, and the PLC makes judgment that the oil duct has cracks according to signals of the pneumatic position sensor and gives an alarm through the signal prompter. When the pneumatic pressure sensor detects the air pressure in the oil duct through the air outlet pipe, a normally through signal is sent to the PLC controller, and the PLC controller continues to execute the next control procedure after making a judgment according to the signal; when the oil duct is not communicated, the pneumatic pressure sensor does not detect the air pressure in the oil duct, a no-pressure signal is sent to the PLC, the PLC judges that the oil duct is not communicated according to the signal and sends a prompt through the signal prompter, and the next control procedure is stopped. By adopting the arrangement, the forming quality of the oil duct is automatically detected on the leakage detecting device, and the condition that the detection of the oil duct is out of control is avoided.
Further, the signal prompting device comprises a buzzer alarm. By adopting the arrangement, the unqualified workpiece in the oil outlet channel can be conveniently detected by prompting through the alarm sound, so that the attention of an operator can be conveniently aroused.
Further, the signal prompting device comprises a display screen. By adopting the arrangement, unqualified quality reasons of the workpiece can be displayed conveniently through the display screen, and an operator can conveniently perform corresponding treatment.
Furthermore, the air inlet end of the air outlet pipe is connected with a plugging mechanism, the plugging mechanism comprises a compression screw rod in sliding connection with the clamp, one end, facing the placing position of the workpiece, of the compression screw rod is sleeved with a rigid top sleeve and a flexible transmission sleeve, a plugging air cylinder is connected between one end, away from the top sleeve, of the compression screw rod and the clamp, and an air guide channel for communicating the air outlet pipe with an oil duct is arranged on the transmission sleeve. By adopting the arrangement, the connection between the air outlet pipe and the oil duct is more convenient, thereby facilitating the operation.
Drawings
Fig. 1 is a schematic diagram of an embodiment of a leak detection apparatus for automatically detecting the forming quality of a workpiece oil duct according to the present invention;
FIG. 2 is a schematic structural view of the plugging mechanism of FIG. 1;
fig. 3 is a cross-sectional view of fig. 2.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a buzzer alarm 1, a display screen 2, a PLC (programmable logic controller) 3, a pneumatic position sensor 4, an air inlet pipe 5, a movable clamp part 61, a fixed clamp part 62, a pneumatic pressure sensor 7, an air outlet pipe 8, a plugging cylinder 9, a transmission sleeve 10, a top sleeve 11, a compression screw 12, a joint part 13 and a workpiece A.
The embodiment is substantially as shown in figures 1, 2 and 3 of the accompanying drawings: the utility model provides an automatic detect leak hunting device of work piece oil duct shaping quality, includes the frame, is provided with anchor clamps in the frame, and anchor clamps are including deciding anchor clamps portion 62 and moving anchor clamps portion 61, decide anchor clamps portion 62 fixed mounting in the frame, move anchor clamps portion 61 be located the upside of deciding anchor clamps portion 62 and with the frame between be connected with the cylinder. Move and be connected with intake pipe 5 on the anchor clamps portion 61, the end of giving vent to anger of intake pipe 5 is fixed on moving anchor clamps portion 61, and the end of giving vent to anger through moving anchor clamps portion 61 and driving intake pipe 5 removes, can make the end of giving vent to anger of intake pipe 5 and the oil duct sealing fit of work piece and communicate. The inlet end of the inlet pipe 5 is connected to a pneumatic position sensor 4, in this embodiment the pneumatic position sensor 4 is preferably a digital position sensor of the type SMC-ISA2-GE 25P. The outlet pipe 8 is mounted on the stationary jig portion 62, the inlet end of the outlet pipe 8 is fixed on the stationary jig portion 62, and when a workpiece is placed on the stationary jig portion 62, the inlet end of the outlet pipe 8 is in sealing engagement with and communicates with the oil passage of the workpiece. In this embodiment, the air inlet end of the air outlet pipe 8 is connected with a plugging mechanism, the plugging mechanism includes a compression screw 12 slidably connected with a fixed clamp portion 62, one end of the compression screw 12 facing the placing position of the workpiece is sleeved with a rigid top sleeve 11 and a flexible transmission sleeve 10, a plugging cylinder 9 is connected between one end of the compression screw 12 far away from the top sleeve 11 and the fixed clamp portion 62, the transmission sleeve 10 is provided with an air guide channel capable of communicating the air outlet pipe 8 with an oil passage, and the transmission sleeve 10 is provided with a joint portion 13 for communicating the air guide channel with the air outlet pipe 8; when the plugging mechanism is used, the compression screw 12, the top sleeve 11 and the transmission sleeve 10 of the plugging mechanism are all inserted into an oil duct, the plugging cylinder 9 drives the top sleeve 11 to move through the compression screw 12, the top sleeve 11 extrudes the transmission sleeve 10, and therefore the flexible transmission sleeve 10 is radially expanded and deformed, the end portion of the oil duct is plugged, the oil duct can be communicated with the air outlet pipe 8 only through the air guide channel, and air at the end portion of the oil duct can be discharged from the air outlet pipe 8 only. The air outlet end of the air outlet pipe 8 IS connected with a pneumatic pressure sensor 7, and in the embodiment, the pneumatic pressure sensor 7 IS preferably a pressure sensor with the model of 3C-IS 3000-02. Pneumatic type position sensor 4 and pneumatic pressure sensor 7 all are connected with PLC controller 3 electricity, and PLC controller 3 gathers and handles pneumatic type position sensor 4 and pneumatic pressure sensor 7's signal. Still be connected with signal prompt on the PLC controller 3, in this embodiment, signal prompt is preferred buzzer siren 1 and display screen 2, can open buzzer siren 1 and report to the police when detecting unqualified signal, shows the reason of specific unqualified signal simultaneously on display screen 2.
The specific implementation process is as follows: a workpiece A is placed on a fixed clamp part 62, the workpiece A is provided with two oil ducts to be detected, two air outlet pipes 8 and two pneumatic pressure sensors 7 are arranged on the leakage detecting device, a plugging mechanism connected with the air outlet pipes 8 on the fixed clamp part 62 is inserted into the air outlet ends of the oil ducts of the workpiece, and the plugging mechanism plugs the air outlet ends of the oil ducts, so that the oil ducts are communicated with the air outlet pipes 8; the movable clamp part 61 drives the air outlet end of the air inlet pipe 5 to be tightly pressed on the air inlet end of the oil passage of the workpiece in a sealing manner. Air with rated pressure enters an air inlet pipe 5 through a pneumatic position sensor 4 and enters an oil duct from the air inlet pipe 5, when the oil duct has no cracks, parameters when the air flows out of the oil duct are in a normal value range, an air parameter signal detected by the pneumatic position sensor 4 is in a normally set numerical value range, and a PLC (programmable logic controller) 3 makes a crack-free judgment according to a signal of the pneumatic position sensor 4 and then continues to execute the next control process; when the oil duct has cracks, parameters of air flowing out of the oil duct deviate from a normal range, at the moment, air parameter signals detected by the pneumatic position sensor 4 deviate from a normally set numerical range, the PLC 3 judges that the air is cracked according to the signals of the pneumatic position sensor 4, and the PLC gives an alarm through a signal prompter, namely the buzzer alarm 1 and the display screen 2. When the pneumatic pressure sensor 7 detects the air pressure in the oil duct through the air outlet pipe 8, a normally through signal is sent to the PLC 3, and the PLC 3 makes a judgment according to the signal and continues to execute the next control procedure; when the oil duct is not communicated, the pneumatic pressure sensor 7 can not detect the air pressure in the oil duct, a no-pressure signal can be sent to the PLC 3, the PLC 3 can make judgment that the oil duct is not communicated according to the signal, and the signal prompter, namely the buzzer alarm 1 and the display screen 2, can give out prompt, and stops executing the next control procedure. By adopting the arrangement, the forming quality of the oil duct is automatically detected on the leakage detecting device, and the condition that the detection of the oil duct is out of control is avoided.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (4)
1. The utility model provides an automatic detect leak hunting device of work piece oil duct shaping quality, includes anchor clamps, its characterized in that: the clamp is connected with an air inlet pipe, one end of the air inlet pipe can be in sealing fit with one end of the oil duct, and the other end of the air inlet pipe is communicated with a pneumatic position sensor; the clamp is connected with an air outlet pipe, one end of the air outlet pipe can be in sealing fit with the other end of the oil duct, and the other end of the air outlet pipe is communicated with a pneumatic pressure sensor; the pneumatic position sensor and the pneumatic pressure sensor are both electrically connected with the PLC, and the PLC is electrically connected with a signal prompter.
2. The leak detection device for automatically detecting the forming quality of the oil passage of the workpiece according to claim 1, is characterized in that: the signal prompter comprises a buzzer alarm.
3. The leak detection device for automatically detecting the forming quality of the oil passage of the workpiece according to claim 2, characterized in that: the signal prompter comprises a display screen.
4. The leak detection device for automatically detecting the forming quality of the oil passage of the workpiece according to any one of claims 1 to 3, wherein: the air inlet end of the air outlet pipe is connected with a plugging mechanism, the plugging mechanism comprises a compression screw rod in sliding connection with a clamp, one end, facing the placing position of a workpiece, of the compression screw rod is sleeved with a rigid top sleeve and a flexible transmission sleeve, a plugging air cylinder is connected between one end, away from the top sleeve, of the compression screw rod and the clamp, and an air guide channel for communicating the air outlet pipe with an oil duct is arranged on the transmission sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023239156.5U CN213658199U (en) | 2020-12-29 | 2020-12-29 | Leak detection device for automatically detecting forming quality of oil duct of workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023239156.5U CN213658199U (en) | 2020-12-29 | 2020-12-29 | Leak detection device for automatically detecting forming quality of oil duct of workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213658199U true CN213658199U (en) | 2021-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023239156.5U Active CN213658199U (en) | 2020-12-29 | 2020-12-29 | Leak detection device for automatically detecting forming quality of oil duct of workpiece |
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| Country | Link |
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| CN (1) | CN213658199U (en) |
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2020
- 2020-12-29 CN CN202023239156.5U patent/CN213658199U/en active Active
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