CN202442849U - System for detecting airtightness of steel ball holes of vehicle engine cylinder head - Google Patents
System for detecting airtightness of steel ball holes of vehicle engine cylinder head Download PDFInfo
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- CN202442849U CN202442849U CN 201120526708 CN201120526708U CN202442849U CN 202442849 U CN202442849 U CN 202442849U CN 201120526708 CN201120526708 CN 201120526708 CN 201120526708 U CN201120526708 U CN 201120526708U CN 202442849 U CN202442849 U CN 202442849U
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- cylinder
- steel ball
- cylinder cap
- ball hole
- cylinder head
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Abstract
The utility model discloses a system for detecting airtightness of steel ball holes of a vehicle engine cylinder head, comprising a detection device, a control system and a mechanical positioning system. A differential pressure-type leak testing device is adopted in the detection device, which is used for airtightness detection of the eight steel ball holes of the cylinder head. The control system includes a control unit CPU and a communication module, wherein the communication module configured in a PLC system is connected with an RS232 serial port of the leak testing device, and leak data of the leak testing device is uploaded to the CPU by the RS232 serial port communication protocol and is displayed in a touch screen. The mechanical positioning system mainly comprises a positioning device, a plugging pressure head, a roller table (12) and a sensor, wherein the positioning device consists of a structure for positioning the cylinder head and a structure for positioning the steel ball holes of the cylinder head, so that the positioning of the cylinder head and the plugging of the steel ball holes are realized.
Description
Technical field
The utility model relates to the air-tightness detection range of car engine seal, specifically is a kind of automobile engine cylinder head steel ball hole impermeability detection system, uses during the impermeability that is adapted at engine cylinder cover steel ball hole in the automobile industry detects.
Background technology
Owing to conflict with existing type steel ball hole position in the cylinder cap steel ball hole position of the newly-increased model of auto production line; Can't on original impermeability machines, detect; Satisfy the equipment that new model cylinder cap steel ball hole impermeability detects so need manufacture and design one again, satisfy the needs that the novel automobile cylinder cap is produced.Impermeability detects also claims Leak Detection; The air-tightness of seal is one of key factor that influences product quality; Therefore, it is essential items for inspection in engine cylinder-body, the cylinder cap production run that impermeability detects, and visible impermeability detects the importance in the motor car engine production run.
The utility model content
To the cylinder cap steel ball hole position of the newly-increased model of above-mentioned auto production line can't be on original impermeability machines the detection problem; The utility model provides a kind of automobile engine cylinder head steel ball hole impermeability to detect
system: adopting differential pressure type leak test appearance is the air-leakage detector device; PLC and touch-screen are the control carrier; With the serial communication is Data Transport Protocol; Utilizing cylinder, solenoid valve is main execution unit, accomplishes the testing of engine cylinder cover steel ball impermeability.
For realizing the foregoing invention purpose, the utility model is taked following technical scheme:
A kind of automobile engine cylinder head steel ball hole impermeability detection system is characterized in that: comprise pick-up unit, control system and mechanical navigation system; Wherein pick-up unit adopts differential pressure type leak test appearance, and the impermeability that is used for eight steel ball holes of cylinder cap detects; Control system comprises control module CPU and communication module, and the communication module of PLC system configuration links to each other with leak test appearance RS232 serial ports, the leak data of leak test appearance is uploaded to CPU and in touch-screen, shows through the RS232 serial communication protocol; Mechanical navigation system mainly comprises locating device, shutoff pressure head, roller-way and sensor, and its locating device is made up of cylinder cap location structure and cylinder cap steel ball hole location structure, realizes the location of cylinder cap and the shutoff of steel ball hole.
Pick-up unit is furnished with two differential pressure type leak test appearance, but hyperchannel detects the differential pressure type leak test appearance of the I-24 series of employing U.S. CTS Corp. simultaneously.
Said touch-screen adopts the GT12 of Mitsubishi series touch-screen, links to each other with the CPU of PLC through its serial ports, utilizes each function button of operation interface on the touch-screen, realize machines manual/three kinds of mode of operations selections of debugging.
Said cylinder cap location structure comprises the cylinder of only stopping the supple of gas or steam; Lateral register cylinder and lifting positioning cylinder, its termination cylinder of stopping the supple of gas or steam is fixed on the side of gantry support, and the lateral register cylinder is fixed on the gantry support downside; The lifting positioning cylinder is installed in below the base plate; Only stop the supple of gas or steam cylinder and lateral register cylinder makes cylinder cap locate fully at horizontal level, and moving upward of lifting positioning cylinder is pressed on the lower plane of portal frame cylinder cap, spatially cylinder cap located fully.
Said cylinder cap steel ball hole location structure is made up of 6 cover band shutoff pressure head cylinders; Wherein the lateral register cylinder is fixed on the gantry support side; 3 pressure head cylinders of gantry support upper front end band; Lifting location pressure head cylinder is installed in below the gantry support, and eight steel ball holes are corresponding one by one on the shutoff pressure head of said each cylinder and the cylinder cap, realize accurate shutoff.
The utility model beneficial effect and advantage:
1, the utility model is realized safety processing, and is simple to operate.Through touch-screen to testing process monitor in real time, leak data shows, and carries out corresponding alarm according to equipment failure, realizes that the leak test appearance detects accurately, not omission finds that defective workpiece in time reports to the police.
2, the utility model detection system compact conformation, it is little to take up room, and has reduced manufacturing cost.The roller-way that detects station adopts automatic load mode, has avoided the operator when putting into and take out workpiece, and hand can get into and detect in the station, prevents the equipment maloperation or when out of control, can damage the operator, has further increased the security of equipment;
3, but the utility model can detect respectively under the defective state owing to adopt leak test appearance hyperchannel to detect simultaneously, confirms the leak position, and all parameter settings can be through the USB interface backup; Operation of equipment is convenient, detects accurately.
Description of drawings
Fig. 1 is the utility model system construction drawing;
Fig. 2-1, Fig. 2-2 and Fig. 2-3 are mechanical positioner structural front view, right view and vertical view among Fig. 1;
Fig. 3 is the utility model control system functional flow diagram;
Fig. 4 is Fig. 1 touch-screen and active station planimetric map.
Embodiment:
In conjunction with accompanying drawing and embodiment utility model is described in further detail;
As shown in Figure 1, be the utility model system construction drawing.This is novel to be a kind of automobile engine cylinder head ball hole impermeability detection system, and it comprises pick-up unit, control system and the mechanical navigation system that is contained in the switch board; Wherein pick-up unit adopts differential pressure type leak test appearance, and the impermeability that is used for eight steel ball holes of cylinder cap detects; Control system comprises control module CPU and communication module, and the communication module of PLC system configuration links to each other with leak test appearance RS232 serial ports, the leak data of leak test appearance is uploaded to CPU and in touch-screen, shows through the RS232 serial communication protocol; Mechanical navigation system mainly comprises locating device, roller-way 12 and sensor, and its locating device is made up of cylinder cap location structure and cylinder cap steel ball hole location structure, realizes the location of cylinder cap and the shutoff of steel ball hole.
Said differential pressure type leak test appearance adopts the serial differential pressure type leak test appearance of I-24 of U.S. CTS Corp..
The CPU of said PLC; Adopt the Q02 of Mitsubishi series; CPU is as the control main body of detection system; Communication module adopts the QJ71C24N-R2 of Mitsubishi model, and the communication module of PLC system configuration links to each other with leak test appearance RS232 serial ports, the leak data of leak test appearance is uploaded to CPU and in touch-screen, shows through the RS232 serial communication protocol.
Said touch-screen adopts the GT12 of Mitsubishi series touch-screen; Link to each other with the CPU of PLC through its serial ports; Utilize operation interface on the touch-screen realize machines manual/three kinds of mode of operations of debugging; To testing process monitor in real time, leak data shows, and carries out corresponding alarm according to equipment failure.
Shown in Fig. 2-1, Fig. 2-2 and Fig. 2-3, be mechanical positioner front view, right view and vertical view.Said locating device is by lateral register cylinder, lifting positioning cylinder, only stop the supple of gas or steam cylinder, steel ball hole shutoff pressure head cylinder and gantry support constitutes mechanical positioner jointly.Its locating device is made up of cylinder cap location structure and cylinder cap steel ball hole location structure, realizes the location of cylinder cap and the shutoff of steel ball hole.
Said cylinder cap location structure comprises the cylinder 1 of only stopping the supple of gas or steam; Lateral register cylinder 5 and lifting positioning cylinder 7; Lifting positioning cylinder 7 is installed in below the base plate 11; The cylinder 1 of only stopping the supple of gas or steam makes workpiece locate fully at horizontal level with lateral register cylinder 5, and moving upward of lifting cylinder 7 makes Work-sheet pressing on the lower plane of portal frame, spatially workpiece located fully.
Said cylinder cap steel ball hole location structure is made up of 6 cover band shutoff pressure head cylinders; Said cylinder cap steel ball hole location structure is made up of 6 cover band shutoff pressure head cylinders 2 ~ 4,6,8,9; Its lateral register cylinder 3,9 is fixed on gantry support 10 sides, 3 pressure head cylinders 6 of gantry support upper front end band, and lifting location pressure head cylinder 8 is installed in below the gantry support 10; Eight steel ball holes are corresponding one by one on the shutoff pressure head of said each cylinder and the cylinder cap, realize accurate shutoff.
The cylinder of 6 cover band shutoff pressure heads described in the present embodiment, wherein positive and negative miter angle is installed shutoff pressure head cylinder 4,3 respectively on gantry support upper end installation shutoff pressure head cylinder 2, its gantry support, vertical angle is installed shutoff pressure head cylinder 8 on it, its upside tail end is installed shutoff pressure head cylinder 9 and 3 shutoff pressure heads of its upper front end mounting strap cylinder 6.
Eight steel ball holes on the cylinder cap, four holes, side wherein, hole of end face, above one, two other inclined hole lays respectively at the seamed edge place; Owing in eight steel ball holes three steel ball hole compact conformations are arranged; A steel ball hole can not carry out shutoff by a cylinder band pressure head; Cause interference easily, have three pressure heads of a cylinder band to carry out shutoff, refer to shutoff pressure head cylinder 6 so in Machine Design, adopt; So both reduce cost, dwindled the space again.
Like Fig. 3, shown in 4, be the utility model control section functional flow diagram and touch-screen and active station planimetric map.The utility model operating process and principle of work are following:
The operator is put cylinder cap to be detected on the roller-way in left side to Fig. 1, and control electric machines for roller conveying work pieces gets into detection zone, after cylinder cap gets into and puts in place; The operator presses start button; Lateral register cylinder 5 setting in motions make cylinder cap locate fully at horizontal level, after the cylinder cap horizontal location; Lifting positioning cylinder 7 moves upward cylinder cap is pressed on the lower plane of portal frame, spatially cylinder cap is located fully.Behind the cylinder cap location, carry out the accurate shutoff of eight steel ball holes of cylinder cap steel ball hole detent mechanism and cylinder cap, after the cylinder shutoff puts in place; Two bench teats leak appearance A, B begins to carry out the impermeability detection and the data communication of cylinder cap steel ball hole simultaneously, and every bench teat leaks the airtight testing that appearance is responsible for 4 steel ball holes, if the result of leak test appearance A, B detection is defective; The leak test appearance will detect respectively 4 steel ball holes, if the result that the leak test appearance detects is qualified, the leak test appearance will finish impermeability and detect; The cylinder pressure head shutoff that gets into eight steel ball holes of cylinder cap is moved back, and after shutoff fell back on the position, lifting positioning cylinder 7 moved downward workpiece is fallen on the roller plane; If it is qualified that air tightness of workpiece detects; Workpiece is let pass automatically, and is defective if air tightness of workpiece detects, and control system is reported to the police; SR by on the active station is let pass workpiece; Electric machines for roller 13 are seen workpiece off detection zone, operator's roller-way on right side from Fig. 1 is taken away and detected the cylinder cap of accomplishing, and have so just accomplished once the work to the detection of automobile engine cylinder head steel ball hole impermeability.
Claims (5)
1. an automobile engine cylinder head steel ball hole impermeability detection system is characterized in that: comprise pick-up unit, control system and mechanical navigation system; Wherein pick-up unit adopts differential pressure type leak test appearance, and the impermeability that is used for eight steel ball holes of cylinder cap detects; Control system comprises control module CPU and communication module, and the communication module of PLC system configuration links to each other with leak test appearance RS232 serial ports, the leak data of leak test appearance is uploaded to CPU and in touch-screen, shows through the RS232 serial communication protocol; Mechanical navigation system mainly comprises locating device, shutoff pressure head, roller-way (12) and sensor, and its locating device is made up of cylinder cap location structure and cylinder cap steel ball hole location structure, realizes the location of cylinder cap and the shutoff of steel ball hole.
2. according to the described a kind of automobile engine cylinder head steel ball hole impermeability detection system of claim 1; It is characterized in that: pick-up unit is furnished with two differential pressure type leak test appearance; But hyperchannel detects simultaneously, adopts the differential pressure type leak test appearance of the I-24 series of U.S. CTS Corp..
3. according to the described a kind of automobile engine cylinder head steel ball hole impermeability detection system of claim 1; It is characterized in that: said touch-screen adopts the GT12 of Mitsubishi series touch-screen; Link to each other with the CPU of PLC through its serial ports; Utilize each function button of operation interface on the touch-screen, realize machines manual/three kinds of mode of operations of debugging select.
4. according to the described a kind of automobile engine cylinder head steel ball hole impermeability detection system of claim 1; It is characterized in that: said cylinder cap location structure comprises the cylinder of only stopping the supple of gas or steam (1); Lateral register cylinder (5) and lifting positioning cylinder (7), its termination cylinder (1) of stopping the supple of gas or steam is fixed on the side of gantry support (10), and the lateral register cylinder is fixed on gantry support (10) downside; Lifting positioning cylinder (7) is installed in below the base plate (11); Only stop the supple of gas or steam cylinder (1) and lateral register cylinder (5) makes cylinder cap locate fully at horizontal level, and moving upward of lifting positioning cylinder (7) is pressed on the lower plane of portal frame cylinder cap, spatially cylinder cap located fully.
5. according to the described a kind of automobile engine cylinder head steel ball hole impermeability detection system of claim 1; It is characterized in that: said cylinder cap steel ball hole location structure is made up of 6 cover band shutoff pressure head cylinders (2～4,6,8,9); Its lateral register cylinder (3,9) is fixed on gantry support (10) side; 3 pressure head cylinders of gantry support upper front end band (6); Lifting location pressure head cylinder (8) is installed in below the gantry support (10), and eight steel ball holes are corresponding one by one on the shutoff pressure head of said each cylinder and the cylinder cap, realize accurate shutoff.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120526708 CN202442849U (en) | 2011-12-15 | 2011-12-15 | System for detecting airtightness of steel ball holes of vehicle engine cylinder head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120526708 CN202442849U (en) | 2011-12-15 | 2011-12-15 | System for detecting airtightness of steel ball holes of vehicle engine cylinder head |
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| CN202442849U true CN202442849U (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201120526708 Expired - Lifetime CN202442849U (en) | 2011-12-15 | 2011-12-15 | System for detecting airtightness of steel ball holes of vehicle engine cylinder head |
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| CN (1) | CN202442849U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931548A (en) * | 2014-03-20 | 2015-09-23 | 温州奔龙自动化科技有限公司 | Oxygen sensor lean production line |
| CN103808465B (en) * | 2012-11-14 | 2016-01-27 | 中国科学院沈阳计算技术研究所有限公司 | A kind of automobile engine cylinder head impermeability test equipment |
| CN107515076A (en) * | 2017-09-30 | 2017-12-26 | 河南太行精铸制造有限公司 | A kind of engine cylinder cap water route detection means and its detection method |
| CN108458839A (en) * | 2018-05-03 | 2018-08-28 | 广东鸿图科技股份有限公司 | A kind of engine front cover assembly leakage detection apparatus and method |
| CN108680312A (en) * | 2018-08-02 | 2018-10-19 | 重庆攀升机械制造有限公司 | The testing agency of products air tightness and its application on a kind of automatic detection production line |
| CN109724757A (en) * | 2018-12-21 | 2019-05-07 | 湖北云康动力科技有限公司 | A kind of air tightness detecting device of engine cylinder head and its detection method |
| CN113324710A (en) * | 2021-05-11 | 2021-08-31 | 广西玉柴机器股份有限公司 | Control method for online leak testing sealing performance of engine |
-
2011
- 2011-12-15 CN CN 201120526708 patent/CN202442849U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808465B (en) * | 2012-11-14 | 2016-01-27 | 中国科学院沈阳计算技术研究所有限公司 | A kind of automobile engine cylinder head impermeability test equipment |
| CN104931548A (en) * | 2014-03-20 | 2015-09-23 | 温州奔龙自动化科技有限公司 | Oxygen sensor lean production line |
| CN104931548B (en) * | 2014-03-20 | 2018-11-30 | 温州奔龙自动化科技有限公司 | A kind of lambda sensor lean production line |
| CN107515076A (en) * | 2017-09-30 | 2017-12-26 | 河南太行精铸制造有限公司 | A kind of engine cylinder cap water route detection means and its detection method |
| CN108458839A (en) * | 2018-05-03 | 2018-08-28 | 广东鸿图科技股份有限公司 | A kind of engine front cover assembly leakage detection apparatus and method |
| CN108458839B (en) * | 2018-05-03 | 2024-04-05 | 广东鸿图科技股份有限公司 | Engine front cover assembly leakage detection device and method |
| CN108680312A (en) * | 2018-08-02 | 2018-10-19 | 重庆攀升机械制造有限公司 | The testing agency of products air tightness and its application on a kind of automatic detection production line |
| CN108680312B (en) * | 2018-08-02 | 2024-01-26 | 重庆攀升机械制造有限公司 | Detection mechanism for automatically detecting product air tightness on production line and application of detection mechanism |
| CN109724757A (en) * | 2018-12-21 | 2019-05-07 | 湖北云康动力科技有限公司 | A kind of air tightness detecting device of engine cylinder head and its detection method |
| CN113324710A (en) * | 2021-05-11 | 2021-08-31 | 广西玉柴机器股份有限公司 | Control method for online leak testing sealing performance of engine |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120919 |