CN217210769U - Pneumatic measuring device for valve seat ring width straightness with crawling mechanism - Google Patents
Pneumatic measuring device for valve seat ring width straightness with crawling mechanism Download PDFInfo
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- CN217210769U CN217210769U CN202123433583.1U CN202123433583U CN217210769U CN 217210769 U CN217210769 U CN 217210769U CN 202123433583 U CN202123433583 U CN 202123433583U CN 217210769 U CN217210769 U CN 217210769U
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Abstract
The utility model belongs to the technical field of the technique of engine cylinder head and specifically relates to a pneumatic measuring device of valve seat circle width straightness accuracy with mechanism of crawling is disclosed, including the housing, communicate in the measuring staff, the setting of housing are in the mechanism of crawling in the housing, be connected with the access air cock on the housing, it is connected with the measuring pin through the shell fragment to crawl in the mechanism, the mechanism drive of crawling the linear motion is carried out to the measuring pin in the housing, the housing in-connection has proximity switch and sensor, the sensor is disposed in the measurement the movement distance of measuring pin, proximity switch passes through control system electric connection in the mechanism of crawling. This application inserts the measuring staff into the disk seat circle, and the mechanism of crawling drives the measuring staff and moves along the generating line direction of disk seat circle, and measuring staff and sensor carry out data acquisition, measure the seat circle width of disk seat, angle, straightness accuracy and the theoretical diameter of disk seat to the distance of edge from top to bottom, the simple operation, check-out time is short, and detection efficiency is high.
Description
Technical Field
The application relates to the technical field of engine cylinder covers, in particular to a valve seat ring width straightness pneumatic measuring device with a crawling mechanism.
Background
The engine cylinder cover is used for closing the cylinder and forming a combustion chamber, and is one of parts of the core of an automobile engine. In the machining process, strict requirements are made on the width straightness of a seat ring of a valve seat of an engine cylinder cover.
At present, in the production process, the width, the angle, the straightness and the distance from the theoretical diameter to the upper edge and the lower edge of the valve seat ring are generally detected by three coordinates, however, the three-coordinate detection operation is complex, long detection time is needed, and the detection efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to improve the detection efficiency of the width, the angle, the straightness accuracy and the distance from the theoretical diameter to the upper edge and the lower edge of the valve seat ring, the technical scheme of the application provides a pneumatic measuring device for the width straightness accuracy of the valve seat ring with a crawling mechanism. The technical scheme is as follows:
the application provides a pneumatic measuring device of disk seat circle width straightness accuracy with mechanism of crawling, including housing, communicate in the measuring staff, the setting of housing are in the mechanism of crawling in the housing, be connected with the access air cock on the housing, it is connected with the measuring pin through the shell fragment in the mechanism of crawling, the mechanism's drive of crawling the straight reciprocating motion is carried out to the measuring pin in the housing, housing in-connection has proximity switch and sensor, the sensor is configured in measuring the movement distance of measuring pin, proximity switch pass through control system electric connection in the mechanism of crawling.
Through above-mentioned technical scheme, insert the measuring staff in the valve guide pipe hole of valve seat circle, the mechanism of crawling drives the measuring stylus and carries out linear motion along the generating line direction of valve seat circle, and the sensor measures the movement distance of measuring stylus, and when the measuring stylus was located extreme position, proximity switch sent signal, and the mechanism of crawling drives the measuring stylus and resets, and when the measuring stylus resets, proximity switch sent signal, the mechanism of crawling stop motion. The external equipment analyzes the data collected by the measuring needle and the sensor, calculates the width, the angle, the straightness and the distance from the theoretical diameter to the upper edge and the lower edge of the valve seat ring, is convenient to operate, requires short detection time, and improves the detection efficiency.
Specifically, the mechanism of crawling including the installation cover, rotate connect in the lead screw of installation cover, rotate the cover and establish motion seat on the lead screw, the axial of lead screw with the direction of motion syntropy of survey needle, motion seat with the cooperation of sliding of installation cover, motion seat connect in the shell fragment, be connected with on the installation cover and be used for driving lead screw pivoted driving source.
Furthermore, a guide mechanism is connected in the housing and comprises a guide rod connected to the housing, a guide sleeve sleeved on the guide rod in a sliding manner, the guide sleeve is connected to the moving seat, and the guide rod is parallel to the lead screw.
Particularly, the guide sleeve is connected with the moving seat through a switching sliding block, the switching sliding block is connected with a switching air nozzle, and an elastic piece is arranged between the switching sliding block and the inner wall of the housing.
Specifically, the elastic part is a spring, and the center line of the spring is parallel to the center line of the lead screw.
Further, a guide head is connected to the end part, far away from the cover shell, of the measuring rod.
Particularly, the motion seat is connected with an extension part, and the extension part is provided with an inclined surface which is used for abutting against the sensor.
Specifically, one side of the housing, which deviates from the measuring rod, is sequentially connected with a handle, a connecting piece and a cable connector.
Compared with the prior art, the application has the beneficial effects that: during measurement, an operator accesses an air source and inserts the measuring rod into the valve seat ring, then the motor is started, the motor is linked with the screw rod, the moving seat, the switching slide block and the guide sleeve are matched, and the measuring needle is driven to perform linear motion along the bus direction of the valve seat ring. In the process of the movement of the measuring needle, the sensor is abutted against the extension part, and the displacement of the measuring needle is detected. When the measuring needle moves to a measuring limit position point, the proximity switch drives the motor to rotate reversely through the control system to drive the measuring needle to reset, and when the measuring needle resets, the proximity switch turns off the motor through the control system to stop moving the measuring needle. The external industrial personal computer analyzes the acquired information, calculates the width, the angle, the straightness and the distance from the theoretical diameter to the upper edge and the lower edge of the valve seat ring, is convenient to operate, requires short detection time, and improves the detection efficiency.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the application, in which:
FIG. 1 is a schematic overall structure of the present application;
FIG. 2 is a schematic view of a creeper assembly of the present application.
Reference numerals: 1. a housing; 101. a lower housing; 102. an upper cover body; 2. a measuring rod; 201. a guide head; 3. a crawling mechanism; 301. installing a sleeve; 302. a lead screw; 303. a motion base; 304. a motor; 4. a spring plate; 5. measuring a needle; 6. a guide mechanism; 601. a guide bar; 602. a guide sleeve; 603. A fixed block; 7. a transfer slide block; 701. switching an air tap; 702. a groove; 8. a spring; 9. A handle; 10. a connecting member; 11. a cable joint; 12. a sensor; 13. connecting an air faucet; 14. Mounting blocks; 15. an extension portion; 16. a bevel; 17. a clamping block; 18. a proximity switch.
Detailed Description
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
The engine cylinder cover is used for closing the cylinder and forming a combustion chamber, and is one of parts of the core of an automobile engine. During the machining process, strict requirements are imposed on the width straightness of a seat ring of a valve seat of an engine cylinder cover.
At present, in the production process, the width, the angle, the straightness and the distance from the theoretical diameter to the upper edge and the lower edge of the valve seat ring are generally detected by three coordinates, however, the three-coordinate detection operation is complex, long detection time is needed, and the detection efficiency is low.
In order to improve the detection efficiency of the seat ring width straightness accuracy of the valve seat, the technical scheme of the application provides a valve seat ring width straightness accuracy pneumatic measurement device with a crawling mechanism. The technical scheme is as follows:
the present application is described in further detail below with reference to fig. 1-2.
As shown in FIG. 1, the application provides a valve seat ring width straightness pneumatic measuring device with a crawling mechanism, which comprises a housing 1, a measuring rod 2 and a crawling mechanism 3. The measuring rod 2 is vertically arranged, the top end of the measuring rod 2 is connected to the bottom of the housing 1, and the bottom end of the measuring rod 2 is connected with the guide head 201.
As shown in fig. 1, the crawling mechanism 3 is arranged in the housing 1, and the crawling mechanism 3 is connected with a measuring pin 5 through an elastic sheet 4. During the in-service use, insert measuring staff 2 in the valve guide downthehole of valve seat circle, then, crawl mechanism 3 drive measuring pin 5 and carry out linear reciprocating motion along the width direction of valve seat circle, the tip of measuring pin 5 is contradicted the valve seat circle, measures the sampling to the width of valve seat circle, angle, straightness accuracy and the theoretical diameter of valve seat circle to the distance of upper and lower edge, has improved detection efficiency.
As shown in fig. 1 and 2, the housing 1 includes a lower case 101 and an upper case 102 connected to each other, and the upper case 102 is located right above the lower case 101. The crawling mechanism 3 comprises a mounting sleeve 301, a lead screw 302 and a moving seat 303, wherein the mounting sleeve 301 is connected to the inner wall of the lower shell 101. The lead screw 302 is rotatably connected in the mounting sleeve 301, and the axial direction of the lead screw 302 is the same as the moving direction of the measuring pin 5.
As shown in fig. 2, the moving seat 303 is rotatably sleeved on the screw 302, and the moving seat 303 abuts against the mounting sleeve 301 and is slidably fitted with the mounting sleeve 301. The mounting sleeve 301 is connected to a driving source, which in this embodiment is a motor 304 coaxially connected to a lead screw 302.
As shown in fig. 2, a guide mechanism 6 is connected to the housing 1, and the guide mechanism 6 includes a guide rod 601 and a guide sleeve 602. The guide rod 601 is connected to the mounting sleeve 301 through a fixing block 603, and the axial direction of the guide rod 601 is the same as that of the lead screw 302.
As shown in fig. 2, the guide sleeve 602 is slidably sleeved on the guide rod 601, the guide sleeve 602 is connected with the moving seat 303 through the adaptor slider 7, and the adaptor slider 7 is in sliding fit with the mounting sleeve 301. The elastic sheet 4 is connected to the side wall of the switching slide block 7, and the switching slide block 7 is connected with a switching air nozzle 701.
During practical use, the motor 304 is linked with the screw rod 302 to rotate, the screw rod 302 drives the moving seat 303 to slide, the moving seat 303 is linked with the switching slide block 7 and the guide sleeve 602 to drive the elastic sheet 4 and the measuring pin 5 to move, and the measuring pin 5 measures the width of the valve seat ring. Meanwhile, the guide sleeve 602 and the guide rod 601 are matched with each other to limit and guide the movement of the switching slide block 7, so that the stability of the measuring needle 5 in the movement process is improved, and the measuring accuracy is improved.
As shown in fig. 1 and 2, an elastic member is provided between the adaptor slider 7 and the lower housing 101 in order to further improve the stability of the stylus 5. In this embodiment, the elastic member is a spring 8, one end of the spring 8 abuts against the inner wall of the lower housing 101, the other end abuts against the adapting slider 7, a groove 702 for inserting the end of the spring 8 is formed in the adapting slider 7, and the center line of the spring 8 is parallel to the center line of the lead screw 302.
As shown in fig. 1, the upper housing 102 is provided with a handle 9, a connecting member 10 and a cable connector 11 connected in sequence on the side facing away from the measuring bar 2. The upper cover body 102 is provided with a sensor 12 and an access air nozzle 13 in a penetrating manner, the access air nozzle 13 is connected with the upper shell through a mounting block 14, and the bottom end of the sensor 12 extends into the lower shell 101.
As shown in fig. 1 and 2, the motion base 303 is connected to an extension portion 15 through a bolt, an inclined surface 16 is provided on the extension portion 15, and the inclined surface 16 abuts against the end of the sensor 12. A proximity switch 18 is connected to the lower case 101 through a clamp block 17.
In actual use, the sensor 12 and the extension part 15 keep abutting, so that the displacement of the measuring pin 5 in the sliding process is detected, when the measuring pin 5 moves to a measured limit position point, the proximity switch 18 drives the motor 304 to rotate reversely through the control system to drive the measuring pin 5 to reset, and when the measuring pin 5 resets, the proximity switch 18 turns off the motor 304 through the control system, so that the measuring pin 5 stops moving.
The application has the implementation principle that: during measurement, an operator accesses an air source and inserts the measuring rod 2 into the valve seat ring, then the motor 304 is started, the motor 304 is linked with the screw rod 302, the moving seat 303, the switching slide block 7 and the guide sleeve 602 are matched, and the measuring needle 5 is driven to perform linear motion along the width direction of the valve seat ring. During the movement of the stylus 5, the sensor 12 and the extension 15 are abutted, and the displacement of the stylus 5 is detected.
When the measuring needle 5 moves to the measuring extreme position point, the proximity switch 18 drives the motor 304 to rotate reversely through the control system to drive the measuring needle 5 to reset, and when the measuring needle 5 resets, the proximity switch 18 turns off the motor 304 through the control system, and the measuring needle 5 stops moving. The external industrial personal computer analyzes the acquired information, calculates the width, the angle, the straightness and the distance from the theoretical diameter to the upper edge and the lower edge of the valve seat ring, is convenient to operate, requires short detection time, and improves the detection efficiency.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (8)
1. Pneumatic measuring device of disk seat circle width straightness accuracy with mechanism of crawling, its characterized in that, including the housing, communicate in the measuring staff, the setting of housing are in the mechanism of crawling in the housing, be connected with the access air cock on the housing, it is connected with the measuring pin through the shell fragment in the mechanism of crawling, the mechanism's drive of crawling the measuring pin carries out sharp reciprocating motion in the housing, housing in-connection has proximity switch and sensor, the sensor is configured in measuring the movement distance of measuring pin, proximity switch pass through control system electric connection in the mechanism of crawling.
2. The pneumatic measuring device for the width straightness of the valve seat ring with the crawling mechanism according to claim 1, wherein the crawling mechanism comprises a mounting sleeve, a lead screw rotationally connected to the mounting sleeve, and a moving seat rotationally sleeved on the lead screw, the axial direction of the lead screw and the moving direction of the measuring pin are in the same direction, the moving seat is in sliding fit with the mounting sleeve, the moving seat is connected to the elastic piece, and a driving source for driving the lead screw to rotate is connected to the mounting sleeve.
3. The pneumatic measuring device for the valve seat ring width straightness with the crawling mechanism according to claim 2, wherein a guiding mechanism is connected in the housing, the guiding mechanism comprises a guide rod connected to the housing, and a guide sleeve slidably sleeved on the guide rod, the guide sleeve is connected to the moving seat, and the guide rod is parallel to the lead screw.
4. The pneumatic measuring device for the width straightness of the valve seat ring with the crawling mechanism according to claim 3, wherein the guide sleeve is connected with the moving seat through a switching slider, a switching air nozzle is connected onto the switching slider, and an elastic piece is arranged between the switching slider and the inner wall of the housing.
5. The pneumatic valve seat ring width straightness measurement device with a crawling mechanism according to claim 4, wherein the elastic member is a spring, and a center line of the spring is parallel to a center line of the lead screw.
6. The pneumatic valve seat ring width straightness measuring device with a crawling mechanism according to claim 1, wherein a guiding head is connected to an end of the measuring rod far from the housing.
7. The pneumatic measuring device for the valve seat ring width straightness with the crawling mechanism according to claim 2, wherein an extension part is connected to the moving seat, and an inclined surface for abutting against the sensor is arranged on the extension part.
8. The pneumatic valve seat ring width straightness measuring device with the crawling mechanism according to claim 1, wherein a handle, a connecting piece and a cable connector are sequentially connected to one side of the casing, which faces away from the measuring rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123433583.1U CN217210769U (en) | 2021-12-30 | 2021-12-30 | Pneumatic measuring device for valve seat ring width straightness with crawling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123433583.1U CN217210769U (en) | 2021-12-30 | 2021-12-30 | Pneumatic measuring device for valve seat ring width straightness with crawling mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217210769U true CN217210769U (en) | 2022-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123433583.1U Active CN217210769U (en) | 2021-12-30 | 2021-12-30 | Pneumatic measuring device for valve seat ring width straightness with crawling mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217210769U (en) |
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2021
- 2021-12-30 CN CN202123433583.1U patent/CN217210769U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230111 Address after: 214000 99 Xishan road three, Xishan Economic Development Zone, Wuxi, Jiangsu Patentee after: Nipodin (Wuxi) precision measuring instrument Co.,Ltd. Address before: 214000 Taoyuan Village, Yangshan Town, Huishan District, Wuxi City, Jiangsu Province Patentee before: Lindong measurement and control technology Wuxi Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230823 Address after: 214000 99 Xishan road three, Xishan Economic Development Zone, Wuxi, Jiangsu Patentee after: Nipodin (Wuxi) precision measuring instrument Co.,Ltd. Patentee after: Wuxi Liaide Precision Machinery Manufacturing Co.,Ltd. Address before: 214000 99 Xishan road three, Xishan Economic Development Zone, Wuxi, Jiangsu Patentee before: Nipodin (Wuxi) precision measuring instrument Co.,Ltd. |