CN216791086U - Auxiliary tool for detecting concentricity of cylindrical parts - Google Patents
Auxiliary tool for detecting concentricity of cylindrical parts Download PDFInfo
- Publication number
- CN216791086U CN216791086U CN202220505553.2U CN202220505553U CN216791086U CN 216791086 U CN216791086 U CN 216791086U CN 202220505553 U CN202220505553 U CN 202220505553U CN 216791086 U CN216791086 U CN 216791086U
- Authority
- CN
- China
- Prior art keywords
- concentricity
- dial indicator
- auxiliary tool
- gauge stand
- mounting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to the technical field of turning, in particular to a concentricity detection auxiliary tool for cylindrical parts; the auxiliary tool comprises a base plate, a positioning device for determining the position of a cylindrical part is arranged on the base plate, an installation gauge stand is installed and fixed at a proper position on the base plate, a dial indicator is installed on the gauge stand, the part needing to be detected is selected, a project needing to be detected is detected by using a three-coordinate system, the part is used as a standard part, the dial indicator is zeroed according to detection data, the concentricity and other external dimensions of the part needing to be detected are detected by the dial indicator, a dimension value is obtained, the corresponding dimension of a product is judged, and the auxiliary tool is adjusted in time, so that the qualification rate of the part is improved.
Description
Technical Field
The utility model relates to the technical field of turning, in particular to a concentricity detection auxiliary tool for cylindrical parts.
Background
Modern parts similar to cylinders such as a piston body and a cap cylinder of a scroll compressor and having high accuracy requirements for external dimensions are assembled and operated according to the principle of the parts, the piston body and the cap are assembled and then processed to meet the requirements for concentricity of the parts, and the piston body and the cap are reciprocated in the cylinder body, so that the qualification rate and the refrigerating performance of the assembled parts are directly influenced. Therefore, in addition to taking measures on the processing technology to improve the processing precision, an auxiliary device for accurately, conveniently and quickly grouping the concentricity and other external dimensions is also needed.
The turning processing of the cylindrical parts adopts the alignment center positioning on the original vehicle according to the part positioning reference due to the manufacturability, and the alignment center always has a certain error with the actual center, so that the processing size fluctuates in a certain range around the center, and the hidden trouble that the concentricity and the external dimension of the processed parts are out of tolerance is generated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an auxiliary tool for detecting the concentricity of a cylindrical part, and aims to solve the technical problem that the concentricity and the external dimension of the machined part are out of tolerance due to the fact that a machining dimension fluctuates in a certain range around a center because a certain error always exists between an alignment center and an actual center of the cylindrical part in the prior art.
In order to achieve the purpose, the utility model provides an auxiliary tool for detecting the concentricity of a cylindrical part, which comprises a bottom plate, an installation gauge stand, a standard part, a dial indicator and a positioning body, wherein the installation gauge stand is detachably connected with the bottom plate and is positioned above the bottom plate, the dial indicator is detachably connected with the installation gauge stand and is positioned above the installation gauge stand, the top end of the installation gauge stand is provided with a positioning hole, the positioning body is fixedly connected with the installation gauge stand and is positioned above the positioning hole, and the standard part is detachably connected with the positioning body and is positioned inside the positioning body.
The standard part is detected by utilizing the three coordinates and is used as a reference for subsequent detection, the subsequent detection speed is increased, and the machining precision of the concentricity and other external dimensions of the cylindrical part is improved through quick detection and confirmation.
The top end of the bottom plate is provided with two mounting holes, and the two mounting holes are located below the mounting gauge stand.
And fixing the mounting gauge stand above the bottom plate by using the mounting hole.
The mounting gauge stand comprises a stand body and two first compression bolts, the stand body is arranged above the two mounting holes, the number of the first compression bolts is two, and the two first compression bolts respectively penetrate through the stand body to be in threaded connection with the bottom plate and are respectively located in the corresponding mounting holes.
The first compression bolt penetrates through the base body and is screwed into the corresponding mounting hole, so that the mounting and dismounting of the mounting gauge stand are facilitated.
The mounting gauge seat further comprises a second compression bolt, and the second compression bolt is in threaded connection with the mounting gauge seat and the dial indicator respectively and is located between the mounting gauge seat and the dial indicator respectively.
The bottom of the second compression bolt is consistent with the appearance of the gauge head of the dial indicator, namely, the gauge head is cylindrical, and the bottom of the second compression bolt is concave arc-shaped basically consistent with the radius of the gauge head cylinder, so that the compression and the fixation are reliable.
And the pointer of the dial indicator and the detection part of the workpiece to be detected are positioned on the same horizontal plane.
When the concentricity of the workpiece to be measured deviates, the length of the pointer can be changed, so that the specific deviation value can be obtained through the reading of the dial indicator.
According to the auxiliary tool for detecting the concentricity of the cylindrical parts, the standard part is detected by utilizing the three coordinates and is used as a reference for subsequent detection, the subsequent detection speed is greatly increased, the detection time and cost of the concentricity and other external dimensions of the cylindrical parts are reduced through rapid detection and confirmation, a foundation is provided for batch production and assembly due to rapid confirmation of the concentricity and other external dimensions of the cylindrical parts, and the processing accuracy of the concentricity and other external dimensions of the cylindrical parts is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a sectional view of the concentricity testing aid for cylindrical parts provided by the utility model.
Fig. 2 is a top view of the concentricity testing aid for cylindrical parts provided by the utility model.
1-bottom plate, 2-meter mounting base, 21-base body, 22-first compression bolt, 23-second compression bolt, 3-standard part, 4-dial indicator, 5-positioning body, 6-positioning hole and 7-mounting hole.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 and 2, the utility model provides an auxiliary tool for detecting concentricity of a cylindrical part, which includes a bottom plate 1, an installation gauge stand 2, a standard part 3, a dial indicator 4 and a positioning body 5, wherein the installation gauge stand 2 is detachably connected with the bottom plate 1 and is located above the bottom plate 1, the dial indicator 4 is detachably connected with the installation gauge stand 2 and is located above the installation gauge stand 2, a positioning hole 6 is arranged at the top end of the installation gauge stand 2, the positioning body 5 is fixedly connected with the installation gauge stand 2 and is located above the positioning hole 6, and the standard part 3 is detachably connected with the positioning body 5 and is located inside the positioning body 5.
In the present embodiment, the detection is performed according to the following steps: selecting a detected part, detecting an item to be detected by using a three-coordinate system, taking the part as the standard part 3, and when the standard part 3 is selected, ensuring that the precision standard of the standard part 3 is less than 0.5mm because the clearance between the installation and positioning diameter of the part and the aperture of the positioning hole 6 is less than 1 mm; marking the standard component 3 according to the detection data to serve as a comparison basis of the detection data of the part to be detected, zeroing the dial indicator 4 according to the detection data, and if the three-coordinate detection size is +0.03mm, dialing the pointer to the +0.03 position on the indicator by rotating the indicator cover; when the part is detected, firstly, the pointer is pulled out, then the part to be detected is installed in the positioning hole 6, the part is lightly pressed by one hand, the part and the positioning hole 6 are completely in place, the pointer is lightly released and slowly contacts the detection surface of the part, and then the hand is released; and confirming the reading of the pointer, wherein if the reading is +0.04 and the standard part is added to +0.03, the detection data of the part is + 0.07.
The standard component 3 is detected by utilizing the three coordinates, the data are detected by the three coordinates within 5 minutes, the detection cost is more than 30 yuan, the time after the grouping auxiliary tool is used is 20 seconds, the cost is basically not high, the subsequent detection speed is greatly increased as the reference of the subsequent detection, the detection time and cost of the concentricity and other external dimensions of the cylindrical component are reduced through rapid detection confirmation, the basis is provided for batch production and assembly due to the rapid confirmation of the concentricity and other external dimensions of the cylindrical component, and the processing precision of the concentricity and other external dimensions of the cylindrical component is improved.
Further, two mounting holes 8 are formed in the top end of the bottom plate 1, and the two mounting holes 8 are located below the mounting gauge stand 2; the mounting meter base 2 comprises a base body 21 and two first compression bolts 22, the base body 21 is arranged above the two mounting holes 8, the number of the first compression bolts 22 is two, and the two first compression bolts 22 respectively penetrate through the base body 21 to be in threaded connection with the bottom plate 1 and are respectively positioned in the corresponding mounting holes 8; the mounting gauge stand 2 further comprises a second compression bolt 23, and the second compression bolt 23 is in threaded connection with the mounting gauge stand 2 and the dial indicator 4 respectively and is positioned between the mounting gauge stand 2 and the dial indicator 4 respectively; and the pointer of the dial indicator 4 and the detection part of the workpiece to be detected are positioned on the same horizontal plane.
In this embodiment, the first compression bolt 22 is used to penetrate through the base body 21 and then screwed into the corresponding mounting hole 8, so as to facilitate the mounting and dismounting of the mounting gauge stand 2, the bottom of the second compression bolt 23 is consistent with the gauge head of the dial indicator 4 in shape, that is, the gauge head is cylindrical, and the bottom of the second compression bolt 23 is concave arc-shaped and substantially consistent with the radius of the gauge head cylinder, so that the compression fixation is ensured to be reliable, and when the concentricity of the workpiece to be measured is deviated, the length change of the gauge needle is caused, so that the specific deviation value is obtained by reading the dial indicator 4.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.
Claims (5)
1. An auxiliary tool for detecting the concentricity of cylindrical parts is characterized in that,
the auxiliary tool for detecting the concentricity of the cylindrical part comprises a bottom plate, an installation gauge stand, a standard component, a dial indicator and a positioning body, wherein the installation gauge stand is detachably connected with the bottom plate and is positioned above the bottom plate, the dial indicator is detachably connected with the installation gauge stand and is positioned above the installation gauge stand, a positioning hole is formed in the top end of the installation gauge stand, the positioning body is fixedly connected with the installation gauge stand and is positioned above the positioning hole, and the standard component is detachably connected with the positioning body and is positioned inside the positioning body.
2. The cylinder part concentricity testing aid of claim 1,
the top of bottom plate is provided with two mounting holes, two the mounting hole all is located the below of installation gauge stand.
3. The auxiliary tool for detecting the concentricity of a cylindrical part according to claim 2,
the mounting gauge stand comprises a stand body and two first compression bolts, the stand body is arranged above the two mounting holes, the number of the first compression bolts is two, and the two first compression bolts respectively penetrate through the stand body to be in threaded connection with the bottom plate and are respectively located in the corresponding mounting holes.
4. The auxiliary tool for detecting the concentricity of a cylindrical part according to claim 3,
the mounting gauge seat further comprises a second compression bolt, and the second compression bolt is in threaded connection with the mounting gauge seat and the dial indicator respectively and is located between the mounting gauge seat and the dial indicator respectively.
5. The cylinder part concentricity testing aid of claim 4,
and the pointer of the dial indicator and the detection part of the workpiece to be detected are positioned on the same horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220505553.2U CN216791086U (en) | 2022-03-10 | 2022-03-10 | Auxiliary tool for detecting concentricity of cylindrical parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220505553.2U CN216791086U (en) | 2022-03-10 | 2022-03-10 | Auxiliary tool for detecting concentricity of cylindrical parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216791086U true CN216791086U (en) | 2022-06-21 |
Family
ID=82001779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220505553.2U Active CN216791086U (en) | 2022-03-10 | 2022-03-10 | Auxiliary tool for detecting concentricity of cylindrical parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216791086U (en) |
-
2022
- 2022-03-10 CN CN202220505553.2U patent/CN216791086U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10760890B2 (en) | Gage for measuring a distance from a hole center to a plane | |
| CN110207565B (en) | Tool and method for measuring crankshaft assembling position degree of high-speed warp knitting machine | |
| CN216791086U (en) | Auxiliary tool for detecting concentricity of cylindrical parts | |
| CN112146553B (en) | Design method and use method of inner inclined hole position size measuring device | |
| CN110425965B (en) | Contrast gauge for detecting distance between inner hole clamp spring groove and outer end face of bevel gear | |
| CN210165868U (en) | Contrast gauge for detecting distance between inner hole clamp spring groove and outer end face of bevel gear | |
| CN114838638B (en) | Gauge and measuring method for measuring position accuracy of trimming line of stamped part | |
| CN217110767U (en) | Measuring device for radial bearing clearance | |
| CN210154507U (en) | Device for detecting eccentricity | |
| CN211824165U (en) | Length measuring tool on conical surface nominal circle | |
| CN111023936B (en) | Method for measuring critical dimension of performance of emergency valve | |
| CN209978760U (en) | Automobile synchronizer ring gear detection device | |
| CN209857836U (en) | Utensil is examined to cylinder head disk seat hole and pipe hole axiality | |
| CN214039785U (en) | Piston rod space size detection measuring tool | |
| CN216348284U (en) | Tool for rapidly detecting radius size of main shaft hole of engine bearing cover | |
| CN214039859U (en) | Shaft sleeve coaxiality detection device | |
| CN201440064U (en) | Measuring device for measuring space between two holes | |
| CN218673444U (en) | Output shaft internal diameter detection device | |
| CN218973368U (en) | Automobile interior trim part positioning column position detection mechanism | |
| CN219015165U (en) | Device for detecting length and size of limited space | |
| CN215236899U (en) | Mechanical platform instrument and machining equipment of flare-outing | |
| CN203163658U (en) | Depth testing fixture for spark-plug installation hole of engine cylinder cover | |
| CN211626326U (en) | Height detection device for measuring circle of engine cooling water pump shell | |
| CN219244472U (en) | Guide wheel detection device | |
| CN218329713U (en) | Center distance detection device and measuring equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |