CN214620947U - Tensioner casing and plunger equipment quality detection equipment - Google Patents
Tensioner casing and plunger equipment quality detection equipment Download PDFInfo
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- CN214620947U CN214620947U CN202120394972.9U CN202120394972U CN214620947U CN 214620947 U CN214620947 U CN 214620947U CN 202120394972 U CN202120394972 U CN 202120394972U CN 214620947 U CN214620947 U CN 214620947U
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Abstract
The utility model provides a tensioner shell and plunger assembling quality detection device aiming at the defects of low detection efficiency and detection result interference caused by human factors when detecting the tensioner in the prior art, the device comprises a tensioner airtightness measuring instrument, a tensioner airtightness detection head and a tensioner spring load pressure detector, the tensioner airtightness measuring instrument is connected with the tensioner airtightness detection head through a gas pipeline, the tensioner spring load pressure detector comprises a tensioner positioning tool, a servo electric cylinder, a tensioner pressing rod and a pressure sensor, a piston rod of the servo electric cylinder is downwards arranged and is opposite to the tensioner positioning tool, the tensioner shell and plunger assembling quality detection device adopting the structure of the utility model can complete the assembling of the plunger and the shell and the detection of whether the labyrinth is neglected or not and the spring load pressure, the detection and assembly efficiency is high, the detection result is objective, the human factors are few, better quality control can be obtained, and the detection efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of spare part equipment, detection, in particular to equipment is used in equipment, detection of automobile engine chain tensioning ware.
Background
As shown in fig. 1, the tensioner comprises a housing 203, a plunger 104, a labyrinth 121, a spring 105 and a latch and check valve (green in the figure), the plunger is disposed in a plunger hole of the housing, the spring and the labyrinth are disposed in an inner hole of the plunger, and the plunger and the housing are locked by the latch. In the process of detecting and assembling the chain tensioner of the automobile engine, the outer diameter of a plunger, the inner diameter of a shell, the sealing performance of the plunger and the sealing performance of the shell are detected, after the detection is finished, a spring and a labyrinth are installed in an inner hole of the plunger in the detection process, a one-way valve is installed in the inner hole of the shell, the assembled plunger and the assembled shell are assembled, then the assembled tensioner is detected, whether the labyrinth is neglected or not is detected, and whether the load pressure value of the spring meets the requirement or not is detected. In the prior art, manual detection is adopted, so that the detection efficiency is low, human factors exist, and the condition that the detection result is not objective sometimes occurs.
Disclosure of Invention
Aiming at the defects of low detection efficiency and detection result interference caused by human factors when the tensioner is detected in the prior art, the equipment for detecting the assembling quality of the tensioner shell and the plunger is provided.
The above object of the present invention can be achieved by the following technical solutions:
a tensioner shell and plunger assembly quality detection device comprises a tensioner airtightness measuring instrument, a tensioner airtightness detection head and a tensioner spring load pressure detector, wherein the tensioner airtightness measuring instrument is connected with the tensioner airtightness detection head through a gas pipeline five;
the tensioner positioning tool comprises a fifth support, a positioning surface is arranged on the upper surface of the fifth support, a supporting surface is arranged perpendicular to the positioning surface, connecting holes are formed in the supporting surface and correspond to the positioning holes in the tensioner in position and size, the tensioner is fixedly connected with the supporting surface through bolts, an air tightness detecting hole is formed in the positioning surface, an air tightness detecting head of the tensioner is located in the air tightness detecting hole, and the positioning surface is located below a pressing rod of the tensioner;
the pressure sensor is a weighing sensor with the model of DYFL-102;
the tensioner airtightness detection head comprises a detection head body, a vent hole is formed in the detection head body from one end to the other end of the tensioner airtightness detection head, the outer circumferential surface of the detection head body is in a step shape, the large-diameter end is a head seat 305 of the tensioner airtightness detection head, the small-diameter end is a detection head rod 306, the outer diameter of the detection head rod is matched with the inner diameter of a plunger hole of the shell, and a second sealing ring 307 is arranged at the detection head rod;
at least two sealing rings II are arranged on the outer circumference of the detection head rod;
the tensioner airtightness measuring instrument and the pressure sensor are respectively and electrically connected with the input end of the control device, and the servo electric cylinder is in electric signal connection with the control device;
the control device is also provided with an alarm prompt module, and the alarm module sends out an alarm prompt according to the analysis and comparison result of the analysis and comparison module.
Compared with the prior art, the utility model, have following advantage and effect:
the detecting device with the structure of the utility model, the tensioner air tightness detecting head and the servo electric cylinder pressure bar are arranged oppositely, therefore, when the servo pressure bar descends, the plunger can be assembled with the shell, the piston rod of the servo electric cylinder can descend according to the set displacement, when the piston rod descends to the initial position, whether the labyrinth is not installed can be judged to be more convenient, because the pressure sensor is arranged on the piston rod, the pressure on the piston rod at the appointed position can be obtained through the further descending and/or ascending of the piston rod, thereby judging whether the spring load pressure value meets the requirement or not, the tensioner shell and the plunger assembling quality detecting device with the structure of the utility model are adopted, the assembling of the plunger and the shell and the labyrinth are not installed and the spring load pressure detection can be completed together, the detecting and assembling efficiency is high, the detecting result is objective, the artificial factor is few, and the better quality control can be obtained, the detection efficiency is improved.
Drawings
FIG. 1 is a drawing of tensioner components;
FIG. 2 is a schematic structural view of an embodiment of the tensioner housing and plunger assembly quality detection apparatus of the present invention;
FIG. 3 is a perspective diagrammatic illustration of FIG. 2;
FIG. 4 is a schematic structural diagram of an embodiment of the tensioner airtightness detection head.
Description of reference numerals:
104-a plunger; 305-a headstock; 306-detecting the head stem; 307-sealing ring two;
401-tensioner positioning tooling; 402-a tensioner; 403-tensioner tightness gauge; 404-servo electric cylinder; 405-a pressure sensor; 406-tensioner strut; 407-tensioner spring force detection means; 408-tensioner gas tightness detection head; 409-gas line five; 410-installing a positioning surface; 411-scaffold five; 412 a support surface; 421-latch.
Detailed Description
The following detailed description of embodiments of the present patent refers to the accompanying drawings.
As shown in fig. 1-4, the tensioner housing and plunger assembly quality detection device of the embodiment of the present invention comprises a tensioner positioning tool 401, a tensioner airtightness measuring instrument 403, and a tensioner spring force detection device 407. The tensioner airtightness detection head of the tensioner airtightness measuring instrument 403 is arranged on the tensioner positioning tool 401, the tensioner airtightness measuring instrument 403 and the tensioner airtightness detection head are connected through a gas pipeline five 409, gas is supplied to the tensioner airtightness detection head (not shown in the figure), the detected pressure and the gas flow in the tensioner are recorded, a servo electric cylinder 404 is arranged above the tensioner positioning tool, a pressure sensor 405 is arranged on a piston rod of the servo electric cylinder 404, the pressure sensor 405 is arranged between the piston rod of the servo electric cylinder and a tensioner pressing rod 406, and the tensioner pressing rod 406 is arranged opposite to the tensioner airtightness detection head. The tensioner airtightness measuring instrument 403 and the pressure sensor 405 are respectively electrically connected with an input end of the control device, the servo electric cylinder 404 is electrically connected with the control device, the control device at least comprises a calculation, analysis and comparison module and a recording and storing module, the control device collects and records and stores the displacement of a piston rod of the servo electric cylinder, collects the pressure of the pressure sensor at the corresponding position, and compares the collected pressure value and the displacement value with the displacement and the pressure value stored in the control device.
During detection, a plunger, a spring, a labyrinth assembly, a shell and a one-way valve assembly which are detected and assembled in the previous process are manually assembled to obtain a pre-assembled tensioner 402, then the pre-assembled tensioner is clamped on a tensioner positioning tool 401 and positioned by the tensioner positioning tool 401, during installation, the gas outlet cavity of the tensioner needs to be aligned with an installation positioning surface 410, a servo electric cylinder piston rod descends, the pre-assembled tensioner is pressed, 0.2MPa compressed gas is introduced, a tensioner airtightness measuring instrument 403 measures the airtightness of the tensioner and records the gas flow data flowing out of the one-way valve, the electric signal output end of the airtightness measuring instrument is electrically connected with the electric signal input end of a control device, the recorded data is uploaded to the control device, and the data is recorded and stored by the control device and can be compared with the stored standard value; starting the servo electric cylinder 404, enabling the piston rod of the servo electric cylinder 404 to quickly descend, recording the initial position I or the stroke of the piston rod at the moment by the servo electric cylinder when the piston rod contacts the plunger 104 to generate pressure to judge whether the labyrinth is neglected to be installed or not, stopping detection and giving a prompt if the labyrinth is neglected to be installed, continuously pressing the servo electric cylinder to the fixed point position II to record the spring load pressure value if the labyrinth is not neglected to be installed, continuously pressing the servo electric cylinder to the fixed point position III to record the spring load pressure value, continuously pressing the servo electric cylinder to the fixed point position IV to record the spring load pressure value, then quickly returning the servo electric cylinder to the position I to record the pressure value, pressing the servo electric cylinder to the position IV to stay, enabling the servo electric cylinder to be connected with the control device through a data line or a network, analyzing and judging whether the received data is qualified or not by the control device, enabling unqualified stop work to give an alarm sound, enabling the servo electric cylinder to give an instruction and give a signal, enabling the cylinder to return, manually inserting a bolt, after the bolt is inserted, the micro switch acts to servo the electric cylinder to return, the tensioner is manually dismounted, and one detection cycle is completed.
The utility model discloses in, for the online automated inspection and the data acquisition who realizes the high accuracy change, choose high-precision sensor and control valve for use to detect and control, realize the online high accuracy automated inspection to the gas tightness of the various sizes of tensioning ware, part, spring load power value. The pressure sensor is preferably a weighing sensor, for example, a model DYFL-102 type can be adopted, and the measurement precision can reach 0.01 MPa.
The utility model discloses in, tensioning ware fixing device preferably adopts following structure, including five 411 of support, the upper surface of five of support is provided with installation locating surface 410, is provided with holding surface 412 with the locating surface is perpendicular, on the holding surface with tensioning ware on the corresponding department in locating hole position be provided with the connecting hole, tensioning ware passes locating hole and connecting hole fixed connection through the bolt, installation locating surface 410 is aimed at to the gas outlet of tensioning ware during fixed, is provided with the gas tightness inspection hole on the installation locating surface, tensioning ware gas tightness inspection head is located this gas tightness inspection hole. When the unqualified products need to be subjected to alarm prompt, an alarm module is arranged on the control device to perform alarm prompt.
The shell airtightness detection head 301 preferably adopts a structure including a detection head body, a vent hole is formed in the detection head body, the vent hole leads from one end of the tensioner airtightness detection head to the other end of the tensioner airtightness detection head, the outer circumferential surface of the detection head body is step-shaped, the large-diameter end of the detection head body is a head seat 305 of the tensioner airtightness detection head, the small-diameter end of the detection head body is a detection head rod 306, the outer diameter of the detection head rod is matched with the inner diameter of a plunger hole of the shell, and a second sealing ring 307 is arranged at the detection head rod. When the gas detection device is used, the shell is sleeved outside the detection rod and is in sealed connection with the shell plunger hole, and the head seat is in sealed connection with the gas pipeline five.
Claims (7)
1. The utility model provides a quality detection equipment is assembled with plunger to tensioning ware casing which characterized in that: the tensioner pressure measuring instrument is connected with the tensioner gas tightness detecting head through a gas pipeline, the tensioner spring load pressure detecting instrument comprises a tensioner positioning tool, a servo electric cylinder, a tensioner pressing rod and a pressure sensor, a piston rod of the servo electric cylinder is arranged downwards and is opposite to the tensioner positioning tool, the tensioner pressing rod is arranged on the piston rod of the servo electric cylinder, the pressure sensor is arranged between the tensioner pressing rod and the servo electric cylinder, and the tensioner gas tightness detecting head is arranged on the tensioner positioning tool and is coaxial with the tensioner piston rod.
2. The tensioner housing and plunger assembly quality detection apparatus of claim 1, wherein: tensioner location frock includes support five, and the upper surface of support five is provided with the locating surface, is provided with the holding surface with the locating surface is perpendicular, and the holding surface is last to be provided with the connecting hole with tensioner last locating hole position and size correspondence, and tensioner passes through bolt and holding surface fixed connection, is provided with the gas tightness inspection hole on the locating surface, and tensioner gas tightness detection head is located this gas tightness inspection hole, and the locating surface is located tensioner depression bar below.
3. The tensioner housing and plunger assembly quality detection apparatus of claim 1, wherein: the pressure sensor is a weighing sensor with the model of DYFL-102.
4. The tensioner housing and plunger assembly quality detection apparatus of claim 1, wherein: the tensioner airtightness detection head comprises a detection head body, a vent hole is formed in the detection head body from one end to the other end of the tensioner airtightness detection head, the outer circumferential surface of the detection head body is in a step shape, the large-diameter end is a head seat (305) of the tensioner airtightness detection head, the small-diameter end is a detection head rod (306), the outer diameter of the detection head rod is matched with the inner diameter of a casing plunger hole in size, and a sealing ring II (307) is arranged at the detection head rod.
5. The tensioner housing and plunger assembly quality detection apparatus of claim 4, wherein: and at least two sealing rings II are arranged on the outer circumference of the detection head rod.
6. The tensioner housing and plunger assembly quality detection apparatus of claim 1, wherein: the tensioner airtightness measuring instrument and the pressure sensor are respectively and electrically connected with the input end of the control device, and the servo electric cylinder is in electric signal connection with the control device.
7. The tensioner housing and plunger assembly quality detection apparatus of claim 6, wherein: the control device is also provided with an alarm prompt module, and the alarm module sends out an alarm prompt according to the analysis and comparison result of the analysis and comparison module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120394972.9U CN214620947U (en) | 2021-02-23 | 2021-02-23 | Tensioner casing and plunger equipment quality detection equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120394972.9U CN214620947U (en) | 2021-02-23 | 2021-02-23 | Tensioner casing and plunger equipment quality detection equipment |
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| CN214620947U true CN214620947U (en) | 2021-11-05 |
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| CN202120394972.9U Active CN214620947U (en) | 2021-02-23 | 2021-02-23 | Tensioner casing and plunger equipment quality detection equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902801A (en) * | 2021-02-23 | 2021-06-04 | 杭州东华链条集团有限公司 | Assembling and detecting production line and assembling and detecting method for automobile engine chain tensioner |
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2021
- 2021-02-23 CN CN202120394972.9U patent/CN214620947U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902801A (en) * | 2021-02-23 | 2021-06-04 | 杭州东华链条集团有限公司 | Assembling and detecting production line and assembling and detecting method for automobile engine chain tensioner |
| CN112902801B (en) * | 2021-02-23 | 2022-09-20 | 杭州东华链条集团有限公司 | Assembling and detecting production line and assembling and detecting method for automobile engine chain tensioner |
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