CN212963262U - Novel part hole position degree detection device - Google Patents
Novel part hole position degree detection device Download PDFInfo
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- CN212963262U CN212963262U CN202022131053.0U CN202022131053U CN212963262U CN 212963262 U CN212963262 U CN 212963262U CN 202022131053 U CN202022131053 U CN 202022131053U CN 212963262 U CN212963262 U CN 212963262U
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Abstract
The utility model relates to a novel part hole position degree detection device for wait to detect the inspection hole of treating on treating the part, include: the detection tool comprises a workbench, a detection tool body, a clamping device and detection equipment, wherein the detection tool body, the clamping device and the detection equipment are fixedly arranged on the workbench; the detection device comprises a handle and aperture detection units arranged at two ends of the handle; the utility model discloses a part hole position degree detection device reasonable in design, the structure is ingenious, and wherein mutually support between the subassembly such as the utensil body of examining and check out test set of design, can treat detecting in the part to wait that the hole carries out aperture measurement and hole position degree measurement, and measurement process convenient and fast can satisfy the requirement that modern society detected industrial development to the part.
Description
Technical Field
The utility model relates to a product detection technical field especially relates to a novel part hole position degree detection device.
Background
With the continuous development of science and technology, the update and iteration of science and technology is an indispensable power source for promoting the development of social economy. For the detection of automobile parts, the convenient detection tool not only saves labor, but also can save a lot of manufacturing cost, and for the automobile industry, the automobile parts should detect the aperture size and the position degree of the parts by using a detection device which is simple in operation and accurate in positioning so as to obtain accurate and stable measurement data.
The existing detection device generally uses a detection pin for detection, and has the following disadvantages:
(1) when the number of part holes is large, the corresponding pin is found regularly, the detection of the hole diameter is inconvenient, and the working efficiency is reduced;
(2) when each set of the checking fixture is used for detecting holes with different hole diameters, corresponding detection pins are required, the universality is poor, and the workload of checking and checking the tool is increased;
(3) when the number of the corresponding detection pins is large, the risk of dimension processing errors is caused, and the manufacturing cost and the labor cost are increased.
Based on the circumstances, the utility model provides a novel part hole position degree detection device can effectively solve above problem.
SUMMERY OF THE UTILITY MODEL
To prior art's situation, for overcoming above defect, the utility model relates to a rationally, the structure is ingenious, and wherein mutually support between the subassembly such as the utensil body of examining of design and check out test set, can treat waiting to detect in the detection part and detect the hole and carry out aperture measurement and hole position degree measurement, and measurement process convenient and fast can satisfy the requirement of modern society to part detection industry development.
The utility model discloses a following technical scheme realizes:
the utility model provides a novel part hole site degree of putting detection device for the detection waits to treat waiting on the part inspection hole, include: the detection tool comprises a workbench, a detection tool body, a clamping device and detection equipment, wherein the detection tool body, the clamping device and the detection equipment are fixedly arranged on the workbench; the detection device comprises a handle and aperture detection units arranged at two ends of the handle; the aperture detection unit comprises a display fixedly connected with one end of the handle and a conical detection body fixedly connected with the display, a single chip microcomputer and a contact type digital display sensor which are electrically connected with each other are arranged in the display, the large end of the conical detection body is fixedly connected with the display, a zero-position shaft penetrates through a conical surface close to the small end of the conical detection body, one end of the zero-position shaft extends into the display and is movably connected with the display through a spring, the other end of the zero-position shaft extends out of the conical surface of the conical detection body, and the contact type digital display sensor is used for detecting the compression depth of the zero-position shaft; and a guide shaft is arranged on the end face of the small end of the conical detection body at any end of the handle, and the guide shaft is in clearance fit with the pin sleeve in the state of detecting the position degree of the hole to be detected.
Furthermore, an included angle between a bus of the conical detection body and the plane of the large end of the conical detection body is beta, and beta is more than or equal to 10 degrees and less than or equal to 80 degrees.
Further, an included angle beta between a generatrix of the conical detection body and the plane of the large end of the conical detection body is 15 degrees.
Further, the distance between the checking fixture body and the part to be detected is 5 mm.
Further, the length of the guide shaft extending out of the tapered detection body is larger than the length of the zero-position shaft extending out of the tapered detection body.
Further, the depth of the pin sleeve is larger than the length of the guide shaft extending out of the conical detection body.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the utility model discloses a part hole position degree detection device, which comprises a detection tool body, detection equipment and other components, wherein the end of the handle without a guide shaft is used for detecting the size of the hole diameter, and the end of the handle with the guide shaft is used for detecting the position degree of the hole; the device for detecting the position degree of the part hole has reasonable design and ingenious structure, does not need to search a corresponding pin gauge when a plurality of holes to be detected are arranged on the part, and has convenient detection of the hole diameter and high working efficiency; corresponding detection pins are not needed when the holes with different hole diameters are detected, the universality is strong, the workload of checking and checking tools is reduced, and the manufacturing cost and the labor cost are saved.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of a novel component hole position degree detection device provided by the present invention;
fig. 2 is a schematic perspective view of a first embodiment of a detection apparatus provided by the present invention;
fig. 3 is a schematic cross-sectional structure diagram of a first embodiment of a partial structure of the novel part hole position degree detection device provided by the present invention;
fig. 4 is a schematic view of a geometric structure of the first embodiment of the novel part hole position degree detection device provided by the present invention.
Reference numerals: 1. a work table; 2. the gauge comprises a gauge body; 21. a pin bush; 3. a clamping device; 4. a detection device; 41. a handle; 42. an aperture detection unit; 421. a display; 4211. a spring; 422. a cone-shaped detection body; 423. a zero axis; 43. a guide shaft; 800. a part to be detected; 900. and (6) detecting the hole to be detected.
Detailed Description
The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.
Example 1:
as shown in fig. 1 to 4, a novel device for detecting the position degree of a part hole is used for detecting a hole 900 to be detected on a part 800 to be detected, which includes: the detection tool comprises a workbench 1, a detection tool body 2, a clamping device 3 and detection equipment 4, wherein the detection tool body 2, the clamping device 3 and the detection equipment 4 are fixedly arranged on the workbench 1, the clamping device 3 is used for clamping a part 800 to be detected, a distance for detecting the detection equipment 4 is reserved between the detection tool body 2 and the part 800 to be detected, and a pin bush 21 is arranged at the position, corresponding to a hole 900 to be detected, of the detection tool body 2; the detection device 4 comprises a handle 41 and aperture detection units 42 arranged at two ends of the handle 41; the aperture detection unit 42 comprises a display 421 fixedly connected with one end of the handle 41 and a cone-shaped detection body 422 fixedly connected with the display 421, a single chip microcomputer and a contact type digital display sensor which are electrically connected with each other are arranged in the display 421, the large end of the cone-shaped detection body 422 is fixedly connected with the display 421, a zero axis 423 is arranged on a conical surface close to the small end of the cone-shaped detection body 422 in a penetrating manner, one end of the zero axis 423 extends into the display 421 and is movably connected with the display 421 through a spring 4211, the other end of the zero axis 423 extends out of the conical surface of the cone-shaped detection body 422, and the contact type digital display sensor is used for detecting the compression depth of the zero axis 423; a guide shaft 43 is arranged on the end face of the small end of the conical detection body 422 at any end of the handle 41, and the guide shaft 43 is in clearance fit with the pin bush 21 in the state of detecting the position degree of the hole 900 to be detected.
The checking fixture body 2 is machined according to an actual part 800 to be detected, the pin bush 21 of the checking fixture body 2 is also arranged according to the position of a hole 900 to be detected on the part 800 to be detected, and the detecting device 4 is a handle-type device and is manually operated.
When the hole 900 to be detected on the part 800 to be detected is detected, the part 800 to be detected is clamped by the clamping device 3 (the clamping device 3 comprises a plurality of mechanical clamping arms), and a certain distance is reserved between the detection tool body 2 and the part 800 to be detected (cushion blocks with different height specifications can be placed between the detection tool body 2 and the part 800 to be detected, or other structures capable of adjusting the distance between the detection tool body 2 and the part 800 to be detected); then, detecting the aperture size of the hole 900 to be detected, and then detecting the hole position degree of the hole 900 to be detected, wherein the part 800 to be detected is qualified only if the aperture size of the hole 900 to be detected and the numerical value of the hole position degree detection are both within the standard tolerance range, otherwise, the hole 900 to be detected is unqualified;
wherein, the end of the handle 41 without the guiding shaft 43 is used for detecting the aperture size, and the step of detecting the aperture size of the hole 900 to be detected is as follows: firstly, the end of the handle 41 without the guiding shaft 43 is inserted into the hole 900 to be detected, when the zero axis 423 passes through the hole 900 to be detected and contacts with the detecting tool body 2 (considering that the part has a material thickness, the zero axis 423 is adjustable, the length of the zero axis 423 exposed outside is the part material thickness value + the part and detecting tool surface gap value, and the gap value between the part and the detecting tool body 2 can be adjusted according to actual needs), at this time, the zero axis 423 does not compress the spring 4211, then the handle 41 is pressed towards the detecting tool body 2 until the side surface of the conical detecting body 422 completely fits with the hole 900 to be detected, a single chip microcomputer and a contact digital display sensor which are electrically connected with each other are arranged in the display 421, and the depth value compressed by the zero axis 423 is converted into the hole diameter of the detecting body stop position through the conversion relation of the built-in trigonometric function, outputting data through the display 421, comparing the detected data with the standard hole size to determine whether the detected data is within the tolerance range, if so, continuing to detect the position of the hole, otherwise, stopping the detection of the hole;
after the aperture size of the hole 900 to be detected is detected to be qualified, the end of the handle 41 provided with the guide shaft 43 is used for detecting the hole position degree of the hole 900 to be detected, and the step of detecting the hole position degree of the hole 900 to be detected is as follows: firstly, the guide shaft 43 penetrates through the hole 900 to be detected and extends into the pin sleeve 21 on the detection tool body 2 (the cooperation between the guide shaft 43 and the pin sleeve 21 mainly serves as a standard position of a locking hole), the zero-position shaft 423 starts to measure when contacting the detection tool, the measured value is zero at the moment, then the conical detection body 422 continues to extend into the pin sleeve 21 along with the guide shaft 43 until the side surface of the conical detection body 422 contacts with the edge of a part hole and stops, a single chip microcomputer and a contact type digital display sensor which are electrically connected with each other are arranged in the display 421, the compressed depth value of the zero-position shaft 423 is converted into the hole diameter of the stop position of the detection body through the conversion relation of a built-in trigonometric function, data are output through the display 421, and the detected data are the minimum inscribed circle diameter of the hole under the condition of the guide position, and then are compared with the standard numerical value, judging whether the tolerance range is within, if so, determining that the part 800 to be detected is qualified, and if not, determining that the part 800 to be detected is unqualified;
as shown in fig. 4, the depth value compressed by the zero axis 423 is converted into the hole diameter of the stop position of the cone-shaped detection body 422, and the measurement principle is as follows: an included angle between a bus of the conical detection body 422 and a plane of the large end of the conical detection body 422 is beta, beta is more than or equal to 10 degrees and less than or equal to 80 degrees, when the zero-position shaft 423 contacts the detection tool body 2, a point of the conical detection body 422C is flush with a surface where a part hole is located, when the conical detection body 422 is pressed towards the detection tool body 2, the conical detection body is blocked by the hole when reaching a certain value (such as the position of AB), the length of a line where the AB is located is just equal to the diameter d of the hole, at the moment, a vertical distance from the point C to the point AB is measured to be h (actually, the depth value compressed by the zero-position shaft 423) by using a built-in high-precision contact type digital display sensor measuring mechanism, and then the h value is converted into the d value through a built-in single chip microcomputer.
When the aperture of the hole 900 to be detected is large, an included angle between a bus of the conical detection body 422 and a plane of the large end of the conical detection body 422 should be small, and the angle can be set to 10 degrees at the moment; when the aperture of the hole 900 to be detected is small, an included angle between a bus of the conical detection body 422 and the plane of the large end of the conical detection body 422 should be larger, and the angle can be set to be 80 degrees at the moment; in actual detection, the size of an included angle between a bus of the conical detection body 422 and the plane of the large end of the conical detection body 422 can be determined according to the distribution range of the pore size of the hole 900 to be detected, so that the detection work can be more convenient and quicker.
A gap is provided between the guide shaft 43 and the zero position shaft 423.
Further, in another embodiment, an included angle β between a generatrix of the cone-shaped detection body 422 and a plane of a large end of the cone-shaped detection body 422 is 15 °.
Further, in another embodiment, the distance between the checking fixture body 2 and the part 800 to be detected is 5 mm.
When the included angle between the bus of the conical detection body 422 and the plane of the large end of the conical detection body 422 is 15 degrees, the distance between the detection tool body 2 and the part 800 to be detected is 5mm, the aperture range measurable by the device is 5mm-35mm, and only circular holes can be detected, compared with the existing aperture detection range, the aperture of 5mm-35mm basically covers more than 80% of detection holes of the automobile part, therefore, the hole position detection device under the scheme has strong universality, is suitable for mass production, and is used in hole detection work.
Further, in another embodiment, a length of the guide shaft 43 protruding outside the cone detection body 422 is larger than a length of the zero-position shaft 423 protruding outside the cone detection body 422.
Further, in another embodiment, the depth of the pin sleeve 21 is greater than the length of the guide shaft 43 extending outside the tapered detector 422.
In actual operation, two operators can be arranged to respectively detect the aperture size and the hole position degree of the hole 900 to be detected, the part 800 to be detected is qualified only if the aperture size and the hole position degree of the hole 900 to be detected are detected within a standard tolerance range, and otherwise, the hole 900 to be detected is unqualified.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.
Claims (6)
1. The utility model provides a novel part hole site degree detection device for the detection waits to wait to detect the hole on the part, a serial communication port, include: the detection tool comprises a workbench, a detection tool body, a clamping device and detection equipment, wherein the detection tool body, the clamping device and the detection equipment are fixedly arranged on the workbench; the detection device comprises a handle and aperture detection units arranged at two ends of the handle; the aperture detection unit comprises a display fixedly connected with one end of the handle and a conical detection body fixedly connected with the display, a single chip microcomputer and a contact type digital display sensor which are electrically connected with each other are arranged in the display, the large end of the conical detection body is fixedly connected with the display, a zero-position shaft penetrates through a conical surface close to the small end of the conical detection body, one end of the zero-position shaft extends into the display and is movably connected with the display through a spring, the other end of the zero-position shaft extends out of the conical surface of the conical detection body, and the contact type digital display sensor is used for detecting the compression depth of the zero-position shaft; and a guide shaft is arranged on the end face of the small end of the conical detection body at any end of the handle, and the guide shaft is in clearance fit with the pin sleeve in the state of detecting the position degree of the hole to be detected.
2. The novel part hole position degree detection device according to claim 1, characterized in that: an included angle between a bus of the conical detection body and the plane of the large end of the conical detection body is beta, and the beta is more than or equal to 10 degrees and less than or equal to 80 degrees.
3. The novel part hole position degree detection device according to claim 2, characterized in that: an included angle beta between a generatrix of the conical detection body and the end plane of the large end of the conical detection body is 15 degrees.
4. The novel part hole position degree detection device according to claim 3, characterized in that: the distance between the checking fixture body and the part to be detected is 5 mm.
5. The novel part hole position degree detection device according to claim 1, characterized in that: the length of the guide shaft extending out of the conical detection body is larger than the length of the zero-position shaft extending out of the conical detection body.
6. The novel part hole position degree detection device according to claim 1, characterized in that: the depth of the pin sleeve is larger than the length of the guide shaft extending out of the outer side of the conical detection body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022131053.0U CN212963262U (en) | 2020-09-24 | 2020-09-24 | Novel part hole position degree detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022131053.0U CN212963262U (en) | 2020-09-24 | 2020-09-24 | Novel part hole position degree detection device |
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| Publication Number | Publication Date |
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| CN212963262U true CN212963262U (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022131053.0U Active CN212963262U (en) | 2020-09-24 | 2020-09-24 | Novel part hole position degree detection device |
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| CN (1) | CN212963262U (en) |
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Address after: 430056 No.99, Minli 4th Road, Wuhan Economic and Technological Development Zone, Hubei Province Patentee after: Dongshi (Wuhan) Automotive Parts Co.,Ltd. Address before: 430056 No.99, Minli 4th Road, Wuhan Economic and Technological Development Zone, Hubei Province Patentee before: DONGFENG (WUHAN) MOTOR PARTS AND COMPONENTS CO.,LTD. |