CN219934898U - Flatness detection device for fixed chuck of fuel pump - Google Patents
Flatness detection device for fixed chuck of fuel pump Download PDFInfo
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- CN219934898U CN219934898U CN202321287560.0U CN202321287560U CN219934898U CN 219934898 U CN219934898 U CN 219934898U CN 202321287560 U CN202321287560 U CN 202321287560U CN 219934898 U CN219934898 U CN 219934898U
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- 238000001514 detection method Methods 0.000 title claims abstract description 41
- 239000000446 fuel Substances 0.000 title claims abstract description 25
- 230000002950 deficient Effects 0.000 abstract description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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Abstract
The utility model discloses a fuel pump fixed chuck flatness detection device in the field of fixed chuck flatness detection, which comprises a shell, wherein a fixed seat for positioning a fixed chuck is arranged on the upper side of the shell, a positioning block is arranged in the middle of the fixed seat, a positioning hole is formed in the positioning block, the fixed chuck is horizontally supported on the surface of the fixed seat and sleeved on the periphery of the positioning block, a plurality of distance sensors are arranged on the inner wall of the upper side of the inside of the shell at intervals along the circumferential direction, a plurality of detection holes are formed in the fixed seat and the upper part of the shell corresponding to the distance sensors, the distance sensors are connected with a PLC (programmable logic controller), the PLC is connected with a switch controller, and an OK display lamp and an NG display lamp are respectively arranged on the front side of the shell; the switch controller and the PLC controller are arranged inside the shell. The utility model has the advantages of higher detection and judgment speed, convenient use, defective products rejection and qualified delivery.
Description
Technical Field
The utility model belongs to the field of flatness detection of a fuel pump fixing chuck, and particularly relates to a flatness detection device of a fuel pump fixing chuck.
Background
The fuel pump fixing device is also called a chuck in the industry and mainly used for fixing the fuel pump of the automobile. The sealing performance of the fuel pump is critical to the safety of the automobile, and the sealing performance of the fuel pump is closely related to the flatness of the fuel pump fixture (chuck), so that it is necessary to control the flatness of the fuel pump fixture (chuck). On the other hand, the flatness has great relativity with torsion during assembly, and good flatness can ensure that the torsion is even and smooth, and is convenient for assembly.
Among the prior art, fuel pump fixing device (chuck) flatness detection mainly relies on marble platform and clearance gauge, and its problem lies in: the detection efficiency is low, the misjudgment is more, the speed is low, and the requirement of mass shipment cannot be met.
Disclosure of Invention
The utility model aims to provide a flatness detection device for a fixed chuck of a fuel pump, by adopting the detection mode, flatness detection can be automatically and rapidly carried out, the detection and judgment speed is increased to 2 seconds per chuck, the use is convenient, defective products can be removed in the detection stage, and qualified delivery is achieved.
The purpose of the utility model is realized in the following way: the utility model provides a fuel pump fixing chuck flatness detection device, includes the casing, and the casing upside is equipped with the fixing base that is used for fixing a position fixing chuck, the fixing base middle part is equipped with the locating piece, is provided with the locating hole on the locating piece, fixing chuck horizontal support is at the fixing base surface and cover locates the periphery of locating piece, and the locating hole sets up corresponding with fixing chuck, the inside upside inner wall of casing is provided with a plurality of distance sensor along circumference interval, a plurality of detection holes have all been seted up to each distance sensor to fixing base, casing upper portion, each distance sensor links to each other with the PLC controller, the PLC controller links to each other with the switch controller, the casing front side is provided with OK display lamp and NG display lamp respectively, OK display lamp and NG display lamp all link to each other with the switch controller; the switch controller and the PLC controller are arranged inside the shell.
The shell is used as an assembly carrier of each part, and the fixed seat is used for positioning a fixed chuck of the measured part and supporting the part; the distance sensor is used for detecting a distance signal of the tested part after the tested part is stably placed on the fixed chuck fixing seat of the fuel pump, and converting the distance signal into an electric signal which is used as a signal input of the PLC; the PLC is used for analyzing and calculating the input electric signals and forming a result output; the direct current power supply provides power support for equipment and converts 220V alternating current into 24V direct current; OK display lamp and NG display lamp are as the display lamp for signal output display after judging PLC, and the operator can quick discernment judge whether the part is qualified.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, a photoelectric sensor is used for detecting the distance of the fuel pump fixing device (chuck) horizontally arranged on the fixing tool, when the detection distance of the photoelectric distance detector is within a set tolerance range, a control signal is output to a green display lamp, and the flatness of the product is qualified; when the detection distance of the photoelectric distance detector exceeds the set tolerance, outputting a control signal to a red display lamp, wherein the flatness of the product is unqualified; through the detection mode, flatness detection can be automatically and rapidly carried out, the judging speed is increased to 2 seconds/each, the use is convenient, defective products can be removed in the inspection stage, and qualified delivery is achieved.
As a further improvement of the utility model, a direct current power supply is arranged in the shell, the direct current power supply supplies power to the switch controller, an alternating current power supply input port is arranged at the rear side of the shell, the alternating current power supply input port is connected with the direct current power supply, and the alternating current power supply input port also supplies power to the PLC controller. The alternating current power supply input port is connected with an alternating current power supply and provides alternating current.
In order to reset the detection device when the outstanding condition or error occurs so as to re-detect, the front side of the shell is also provided with a reset button connected with the switch controller, the OK display lamp is a green lamp, the NG display lamp is a red lamp, the front side of the shell is inclined, and the front side of the shell is inclined so as to be convenient for people to observe.
In order to position the measured fixed chuck, two positioning holes are formed and symmetrically formed in the left side and the right side of the positioning block.
In order to measure the height distances of different positions of the outer edge of the fixed chuck, six detection holes and six distance sensors are uniformly distributed along the circumferential direction, and each distance sensor is arranged corresponding to the outer edge of the fixed chuck.
As a further improvement of the present utility model, the distance sensor employs a distance-setting reflective sensor. And a distance setting reflective sensor is adopted, a red LED light source is projected to the tested surface of the part, reflected light is received by a light receiving part of the distance sensor, signal data is obtained, and the signal is sent to the PLC.
Drawings
Fig. 1 is a top view of the present utility model.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a view in the direction a of fig. 2.
Fig. 4 is a schematic view of the internal structure of the housing of the present utility model.
The device comprises a shell body 1, a fixed seat 2, a positioning block 3, a positioning hole 3a, a distance sensor 4, a detection hole 5, a PLC controller 6, a switch controller 7, an OK display lamp 8, a NG display lamp 9, a DC power supply 10, an AC power supply input port 11, a reset button 12 and a total connection line 13.
Description of the embodiments
As shown in fig. 1-4, the flatness detection device for the fuel pump fixing chuck comprises a shell 1, a fixing seat 2 for positioning the fixing chuck is arranged on the upper side of the shell 1, a positioning block 3 is arranged in the middle of the fixing seat 2, a positioning hole 3a is formed in the positioning block 3, the fixing chuck is horizontally supported on the surface of the fixing seat 2 and sleeved on the periphery of the positioning block 3, the positioning hole 3a is correspondingly arranged with the fixing chuck, a plurality of distance sensors 4 are arranged on the inner wall of the upper side of the interior of the shell 1 at intervals along the circumferential direction, a plurality of detection holes 5 are formed in the upper parts of the fixing seat 2 and the shell 1 corresponding to the distance sensors 4, the distance sensors 4 are connected with a PLC (programmable logic controller) 6 through a total connection wire 13, the PLC 6 is connected with a switch controller 7, an OK display lamp 8 and an NG display lamp 9 are respectively arranged on the front side of the shell 1, and the OK display lamp 8 and the NG display lamp 9 are connected with the switch controller 7; the switch controller 7 and the PLC controller 6 are both arranged inside the shell 1. The inside DC power supply 10 that is provided with of casing 1, DC power supply 10 is to the power supply of switch controller 7, and casing 1 rear side is equipped with alternating current power supply input port 11, and alternating current power supply input port 11 links to each other with DC power supply 10, and alternating current power supply input port 11 also supplies power to PLC controller 6. The ac power input port 11 is connected to an ac power source and supplies ac power.
In order to reset the detection device for re-detection when a protruding condition or error occurs, a reset button 12 connected with the switch controller 7 is further arranged on the front side of the shell 1, the OK display lamp 8 is a green lamp, the NG display lamp 9 is a red lamp, the front side of the shell 1 is inclined, and the front side of the shell 1 is inclined for being convenient for people to observe.
The fixing seat 2 mainly supports the measured parts, and the consistency of the assembly positions of the parts at each time is ensured by arranging the positioning blocks 3 and the positioning holes 3 a. The contact surface of the fixed seat 2 and the chuck is finely milled by fine milling, so that the flatness is ensured to be less than or equal to 5um, and the surface roughness is ensured to be less than or equal to 3um. Meanwhile, 6 fan-shaped holes are reserved in the fixing base 2 and serve as detection holes 5 of the distance sensor 4. In order to position the measured fixed chuck, two positioning holes 3a are arranged, and the two positioning holes 3a are symmetrically formed in the left side and the right side of the positioning block 3.
In order to measure the height distances of different positions of the outer edge of the fixed chuck, six detection holes 5 and six distance sensors 4 are uniformly distributed along the circumferential direction, and each distance sensor 4 is arranged corresponding to the outer edge of the fixed chuck. The distance sensor 4 is a distance-setting reflective sensor. The distance setting reflective sensor is adopted, a red LED light source is projected to the tested surface of the part, and after reflected light is received by the light receiving part of the distance sensor 4, signal data are obtained and sent to the PLC.
The model of the main chip of the PLC 6 is 224XP, and the distance information of each distance sensor 4 is collected and then subjected to secondary processing analysis to output signals. The PLC adopts a multi-channel structure, can process 6 signals at the same time, and outputs an abnormal warning when the distance exceeds a set distance range, and a red light is lighted; when the distance accords with the set range, a normal signal is output, and the green light is turned on. The PLC is provided with a reset interface for clearing abnormal information.
The shell 1 of the utility model is used as an assembly carrier of each part, the fixed seat 2 is used for positioning a fixed chuck of the measured part and supporting the part; the distance sensor 4 is used for detecting a distance signal of a measured part after the measured part is stably placed on the fuel pump fixing chuck fixing seat 2, and converting the distance signal into an electric signal which is used as a signal input of the PLC 6; the PLC 6 is used for analyzing and calculating the input electric signals and forming a result output; the direct current power supply 10 provides power support for equipment and converts 220V alternating current into 24V direct current; OK display lamp 8 and NG display lamp 9 are used as the display lamp for the signal output display after the PLC discerns, and the operator can quick discernment judge whether the part is qualified.
According to the utility model, the photoelectric sensor is used for detecting the distance of the fuel pump fixing device (chuck) horizontally arranged on the fixing tool, and when the detection distance of the photoelectric distance detector is within the set tolerance range, a control signal is output to the green display lamp, so that the flatness of the product is qualified; when the detection distance of the photoelectric distance detector exceeds the set tolerance, outputting a control signal to a red display lamp, wherein the flatness of the product is unqualified; through the detection mode, flatness detection can be automatically and rapidly carried out, the judging speed is increased to 2 seconds/each, the use is convenient, defective products can be removed in the inspection stage, and qualified delivery is achieved.
The utility model is not limited to the above embodiments, and based on the technical solution disclosed in the utility model, a person skilled in the art may make some substitutions and modifications to some technical features thereof without creative effort according to the technical content disclosed, and all the substitutions and modifications are within the protection scope of the utility model.
Claims (6)
1. The flatness detection device for the fuel pump fixing chuck is characterized by comprising a shell, wherein a fixing seat for positioning the fixing chuck is arranged on the upper side of the shell, a positioning block is arranged in the middle of the fixing seat, a positioning hole is formed in the positioning block, the fixing chuck is horizontally supported on the surface of the fixing seat and sleeved on the periphery of the positioning block, the positioning hole is arranged corresponding to the fixing chuck, a plurality of distance sensors are arranged on the inner wall of the upper side of the inside of the shell at intervals along the circumferential direction, a plurality of detection holes are formed in the fixing seat and the upper side of the shell corresponding to the distance sensors, each distance sensor is connected with a PLC, the PLC is connected with a switch controller, an OK display lamp and an NG display lamp are respectively arranged on the front side of the shell, and each OK display lamp and each NG display lamp are connected with the switch controller; the switch controller and the PLC controller are arranged inside the shell.
2. The device for detecting flatness of a chuck for a fuel pump according to claim 1, wherein a dc power supply is provided inside the housing, the dc power supply supplies power to the switch controller, an ac power supply input port is provided at a rear side of the housing, the ac power supply input port is connected to the dc power supply, and the ac power supply input port also supplies power to the PLC controller.
3. The flatness detection apparatus of a fuel pump fixing chuck according to claim 1 or 2, wherein a reset button connected to the switch controller is further provided on the front side of the housing, the OK display lamp is a green lamp, the NG display lamp is a red lamp, and the front side of the housing is inclined.
4. The flatness detection apparatus for a fuel pump fixing chuck according to claim 1 or 2, wherein two positioning holes are provided, and the two positioning holes are symmetrically provided on both left and right sides of the positioning block.
5. The flatness detection apparatus for a fuel pump fixing chuck according to claim 1 or 2, wherein six detection holes and six distance sensors are uniformly distributed along the circumferential direction, and each distance sensor is disposed corresponding to the outer edge of the fixing chuck.
6. The fuel pump fixing chuck flatness detection device according to claim 1 or 2, wherein the distance sensor is a distance setting reflection type sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321287560.0U CN219934898U (en) | 2023-05-25 | 2023-05-25 | Flatness detection device for fixed chuck of fuel pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321287560.0U CN219934898U (en) | 2023-05-25 | 2023-05-25 | Flatness detection device for fixed chuck of fuel pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219934898U true CN219934898U (en) | 2023-10-31 |
Family
ID=88497186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321287560.0U Active CN219934898U (en) | 2023-05-25 | 2023-05-25 | Flatness detection device for fixed chuck of fuel pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219934898U (en) |
-
2023
- 2023-05-25 CN CN202321287560.0U patent/CN219934898U/en active Active
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