External diameter measuring device for cylindrical workpiece

Abstract

The utility model provides an external diameter measuring device for a cylindrical workpiece, and relates to the technical field of measurement. The upper end face of a cylindrical workpiece is provided with two cylinders which are oppositely arranged, the outer diameter measuring device comprises a base, a positioning seat, an arc support, a first measuring mechanism and a position sensor, the positioning seat is arranged on the base, the arc support and the positioning seat are oppositely arranged on the base, the first measuring mechanism is arranged on the base and movably arranged on the outer side of the positioning seat, and the position sensor is arranged on the base. The first measuring mechanism is arranged on the base and used for measuring the distance between two cylinders, the position sensor is arranged on the base and connected with the first measuring mechanism, and after a cylindrical workpiece is placed on the positioning seat and the arc support, the first measuring mechanism is driven to move so as to clamp the outer edges of the two cylinders; and the displacement of the first measuring mechanism is recorded through the position sensor so as to obtain distance data between the two cylinders. The tool has strong versatility, solves the problem of dimension inspection of workpieces of the type, saves time and production cost, and improves production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of measurement technology, specifically to a device for measuring the outer diameter of cylindrical workpieces. Background Technology

[0002] After a certain cylindrical workpiece is assembled, its external dimensions and weight need to be measured. Due to the large number of dimensional inspection items, the complexity of dimensional measurement, and the existence of measurement errors, in order to ensure assembly quality and meet installation requirements, an outer diameter measuring device needs to be designed to quickly and accurately inspect the relevant dimensions to ensure that all dimensions of the workpiece meet the requirements. Utility Model Content

[0003] To address the problems existing in the prior art, this utility model provides a device for measuring the outer diameter of a cylindrical workpiece. The cylindrical workpiece has two opposing cylinders on its upper end surface. The outer diameter measuring device includes:

[0004] Base;

[0005] Positioning seat, mounted on the base;

[0006] The arc support is mounted on the base opposite to the positioning seat;

[0007] The first measuring mechanism, mounted on the base and movably positioned outside the positioning seat, is used to measure the distance between two cylinders;

[0008] A position sensor is mounted on the base and connected to the first measuring mechanism;

[0009] In this process, after the cylindrical workpiece is placed on the positioning seat and the arc support, the first measuring mechanism is driven to move to clamp the outer edges of the two cylinders. The displacement of the first measuring mechanism is recorded by the position sensor to obtain the distance data between the two cylinders.

[0010] Preferably, the base is provided with a first slide rail and a second slide rail opposite to each other, the first slide rail and the second slide rail are located outside the positioning seat, and the first measuring mechanism includes:

[0011] The first chuck pin is positioned in the first slide rail;

[0012] The second caliper pin is positioned in the second slide rail opposite to the first caliper pin;

[0013] The first and second pins are connected to a position sensor. After the first and second pins are driven to move to clamp the outer edges of the two cylinders, the displacement of the first and second pins is recorded by the position sensor to obtain the distance data between the two cylinders.

[0014] Preferably, the above-mentioned outer diameter measuring device includes:

[0015] The second measuring mechanism is movably mounted on the base and connected to the position sensor. The second measuring mechanism is driven to move to clamp the outer wall of the cylindrical workpiece. The displacement of the second measuring mechanism is recorded by the position sensor to obtain the diameter data of the cylindrical workpiece.

[0016] Preferably, the base has two opposing first sides, and the top surface of the base is provided with a third slide rail and a fourth slide rail, which are perpendicular to the first sides. The second measuring mechanism includes:

[0017] The third pin is located in the third slide.

[0018] The fourth pin is positioned in the fourth slide, opposite to the third pin.

[0019] The third and fourth chucks are connected to the position sensor. After the third and fourth chucks are driven to move to clamp the outer wall of the cylindrical workpiece, the displacement of the third and fourth chucks is recorded by the position sensor to obtain the diameter data of the cylindrical workpiece.

[0020] Preferably, the above-mentioned outer diameter measuring device further includes:

[0021] The third measuring mechanism is movably mounted on the base and connected to the position sensor. The third measuring mechanism is driven to move to clamp the upper and lower end faces of the cylindrical workpiece. The displacement of the third measuring mechanism is recorded by the position sensor to obtain the length data of the cylindrical workpiece.

[0022] Preferably, the base has two opposing second sides, and a fifth slide rail and a sixth slide rail are formed oppositely on the top surface of the base. The fifth slide rail and the sixth slide rail are perpendicular to the second sides. The third measuring mechanism includes:

[0023] The fifth pin is located in the fifth slide.

[0024] The sixth pin is located in the sixth slide, opposite to the fifth pin;

[0025] The fifth and sixth chuck pins are connected to a position sensor, which drives the fifth and sixth chuck pins to move and clamp the upper and lower ends of the cylindrical workpiece. The position sensor records the displacement of the fifth and sixth chuck pins to obtain the length data of the cylindrical workpiece.

[0026] Preferably, the above-mentioned outer diameter measuring device includes:

[0027] The display, mounted on the base, is connected to the position sensor to display the data measured by the position sensor.

[0028] Preferably, the above-mentioned outer diameter measuring device includes:

[0029] A gravity sensor, mounted on the base, is used to measure the weight of cylindrical workpieces.

[0030] Preferably, the gravity sensor is connected to the display.

[0031] Preferably, the aforementioned positioning seat and arc support are mounted on the base by bolts.

[0032] The beneficial effects of this utility model are as follows:

[0033] It has strong versatility, solves the problem of inspecting the dimensions of similar workpieces, saves time, reduces production costs, and improves production efficiency. Attached Figure Description

[0034] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0035] Figure 1 This is a schematic diagram of the present invention;

[0036] Figure 2 This is a schematic diagram of a cylindrical workpiece.

[0037] The attached figures are labeled as follows:

[0038] Base 1; Positioning base 2; Arc support 3; Monitor 4;

[0039] First caliper pin K1; Second caliper pin K2; Third caliper pin K3;

[0040] Fourth caliper pin K4; Fifth caliper pin K5; Sixth caliper pin K6;

[0041] First slide H1; Second slide H2; Third slide H3;

[0042] Fourth slide H4; Fifth slide H5; Sixth slide H6;

[0043] First side surface S1; Second side surface S2; Cylinder Y1. Detailed Implementation

[0044] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0045] The illustrative embodiments and descriptions of this utility model are used to explain the utility model, but are not intended to limit the utility model. Furthermore, elements / components using the same or similar reference numerals in the drawings and embodiments are used to represent the same or similar parts.

[0046] The terms "first," "second," "S1," "S2," etc., used in this document do not specifically refer to any order or sequence, nor are they intended to limit the present invention. They are merely used to distinguish elements or operations described with the same technical terms.

[0047] The directional terms used in this article, such as up, down, left, right, front, or back, are for reference only when referring to the accompanying drawings. Therefore, the use of directional terms is for illustrative purposes and not to limit this work.

[0048] The terms “include,” “including,” “have,” “contain,” etc., used in this article are all open-ended terms, meaning that they include but are not limited to.

[0049] The term "and / or" as used herein includes any or all of the things mentioned.

[0050] The term "multiple" in this article includes "two" and "more than two"; the term "multiple groups" in this article includes "two groups" and "more than two groups".

[0051] Certain terms used to describe this application will be discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in describing the application.

[0052] Please refer to Figures 1 to 2 , Figure 1 This is a schematic diagram of the present invention. Figure 2 A schematic diagram of a cylindrical workpiece is shown below. Figures 1 to 2As shown, this utility model provides an outer diameter measuring device for a cylindrical workpiece. The upper end face of the cylindrical workpiece has two cylinders Y1 arranged opposite to each other. The outer diameter measuring device includes: a base 1, a positioning seat 2, an arc support 3, a first measuring mechanism, and a position sensor. The positioning seat 2 is disposed on the base 1, and the arc support 3 is disposed on the base 1 opposite to the positioning seat 2. The first measuring mechanism is mounted on the base 1 and movably disposed outside the positioning seat 2, and is used to measure the distance between the two cylinders Y1. The position sensor is mounted on the base 1 and connected to the first measuring mechanism. After the cylindrical workpiece is placed on the positioning seat 2 and the arc support 3, the first measuring mechanism is driven to move to clamp the outer edges of the two cylinders Y1. The displacement of the first measuring mechanism is recorded by the position sensor to obtain the distance data between the two cylinders Y1.

[0053] The aforementioned positioning seat 2 and arc support 3 are mounted on the base 1 by bolts.

[0054] Furthermore, please refer to Figures 1 to 2 The base 1 is provided with a first slide rail H1 and a second slide rail H2 opposite to each other. The first slide rail H1 and the second slide rail H2 are located outside the positioning seat 2. The first measuring mechanism includes a first locating pin K1 and a second locating pin K2. The first locating pin K1 is disposed in the first slide rail H1, and the second locating pin K2 is disposed opposite to the first locating pin K1 in the second slide rail H2. The first locating pin K1 and the second locating pin K2 are connected to a position sensor. After the first locating pin K1 and the second locating pin K2 are driven to move to clamp the outer edges of the two cylinders Y1, the displacement of the first locating pin K1 and the second locating pin K2 is recorded by the position sensor to obtain the distance data between the two cylinders Y1.

[0055] Furthermore, please refer to Figures 1 to 2 The aforementioned outer diameter measuring device includes: a second measuring mechanism, which is movably mounted on the base 1 and connected to a position sensor. The second measuring mechanism is driven to move to clamp the outer wall of the cylindrical workpiece, and the displacement of the second measuring mechanism is recorded by the position sensor to obtain the diameter data of the cylindrical workpiece.

[0056] Furthermore, please refer to Figures 1 to 2The base 1 has two opposing first sides S1. The top surface of the base 1 is provided with a third slide H3 and a fourth slide H4 facing each other. The third slide H3 and the fourth slide H4 are perpendicular to the first sides S1. The second measuring mechanism includes a third chuck K3 and a fourth chuck K4. The third chuck K3 is disposed in the third slide H3, and the fourth chuck K4 is disposed opposite to the third chuck K3 in the fourth slide H4. The third chuck K3 and the fourth chuck K4 are connected to a position sensor. After the third chuck K3 and the fourth chuck K4 are driven to move to clamp the outer wall of the cylindrical workpiece, the displacement of the third chuck K3 and the fourth chuck K4 is recorded by the position sensor to obtain the diameter data of the cylindrical workpiece.

[0057] Furthermore, please refer to Figures 1 to 2 The aforementioned outer diameter measuring device further includes: a third measuring mechanism, which is movably mounted on the base 1 and connected to a position sensor. The third measuring mechanism is driven to move to clamp the upper and lower end faces of the cylindrical workpiece. The displacement of the third measuring mechanism is recorded by the position sensor to obtain the length data of the cylindrical workpiece.

[0058] Furthermore, please refer to Figures 1 to 2 The base 1 has two opposing second sides S2. The top surface of the base 1 is provided with a fifth slide H5 and a sixth slide H6 facing each other. The fifth slide H5 and the sixth slide H6 are perpendicular to the second sides S2. The third measuring mechanism includes a fifth chuck K5 and a sixth chuck K6. The fifth chuck K5 is disposed in the fifth slide H5, and the sixth chuck K6 is disposed opposite to the fifth chuck K5 in the sixth slide H6. The fifth chuck K5 and the sixth chuck K6 are connected to a position sensor, which drives the fifth chuck K5 and the sixth chuck K6 to move to clamp the upper and lower ends of the cylindrical workpiece. The displacement of the fifth chuck K5 and the sixth chuck K6 is recorded by the position sensor to obtain the length data of the cylindrical workpiece.

[0059] Furthermore, please refer to Figures 1 to 2 The aforementioned outer diameter measuring device includes: a display 4, which is mounted on the base 1 and connected to the position sensor to display the data measured by the position sensor.

[0060] Furthermore, please refer to Figures 1 to 2 The aforementioned outer diameter measuring device includes: a gravity sensor, which is mounted on the base 1 and is used to measure the weight data of the cylindrical workpiece.

[0061] The gravity sensor mentioned above is connected to the display 4.

[0062] Specifically, in this embodiment of the invention, the base 1 is a rectangular metal plate. To reduce the weight of the base 1, the middle part of the base 1 is hollowed out, making the base 1 have a U-shaped structure. Since the cylindrical workpiece needs to have its length, diameter, and the distance (radius of the distribution circle) between two cylinders Y1 measured, the base 1 is equipped with a first caliper K1 and a second caliper K2 for measuring the distance between the two cylinders Y1, a third caliper K3 and a fourth caliper K4 for measuring the diameter of the cylindrical workpiece, and a fifth caliper K5 and a sixth caliper K6 for measuring the length of the cylindrical workpiece. These six calipers are respectively installed in six slides opened on the base 1, wherein the first slide H1 and the second slide H2 are opposite each other and opened on the outside of the positioning seat 2, and the first… Slides H1 and H2 are perpendicular to the first side S1 of base 1. Slides H3 and H4 are opposite each other in the middle of base 1, and are also perpendicular to the first side S1 of base 1. Slide H5 is located on the outside of positioning seat 2, and slide H6 is opposite to slide H5 on the outside of arc support 3. Both slides H5 and H6 are perpendicular to the second side S2 of base 1. All pins are connected to a chain (not shown in the figure), which drives the pins to move within the slides. All pins are also connected to position sensors (not shown in the figure), which record the distance the pins travel within the slides to obtain corresponding measurement data. In addition, a gravity sensor (not shown in the figure) is installed on base 1 to measure the weight of the cylindrical workpiece. Both the position sensor and the gravity sensor are connected to a display 4 on base 1, and the measured data is transmitted to the display 4 in real time.

[0063] In summary, the beneficial effects of this utility model are: it has strong versatility, solves the problem of inspecting the dimensions of similar workpieces, saves time, reduces production costs, and improves production efficiency.

[0064] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A device for measuring the outer diameter of a cylindrical workpiece, wherein the upper end face of the cylindrical workpiece has two opposing cylinders, characterized in that, The outer diameter measuring device includes: Base; A positioning seat is disposed on the base; An arc-shaped support is disposed on the base opposite to the positioning seat; The first measuring mechanism is mounted on the base and movably disposed on the outside of the positioning seat, and is used to measure the distance between the two cylinders; A position sensor is mounted on the base and connected to the first measuring mechanism; After the cylindrical workpiece is placed on the positioning seat and the arc support, the first measuring mechanism is driven to move to clamp the outer edges of the two cylinders. The displacement of the first measuring mechanism is recorded by the position sensor to obtain the distance data between the two cylinders.

2. The outer diameter measuring device as described in claim 1, characterized in that, The base has a first slide rail and a second slide rail opposite to each other, the first slide rail and the second slide rail are located outside the positioning seat, and the first measuring mechanism includes: The first chuck pin is positioned in the first slide rail; The second pin is disposed in the second slide rail opposite to the first pin; The first and second pins are connected to the position sensor. After the first and second pins are driven to move to clamp the outer edges of the two cylinders, the displacement of the first and second pins is recorded by the position sensor to obtain the distance data between the two cylinders.

3. The outer diameter measuring device as described in claim 2, characterized in that, include: The second measuring mechanism is movably mounted on the base and connected to the position sensor. The second measuring mechanism is driven to move to clamp the outer wall of the cylindrical workpiece. The displacement of the second measuring mechanism is recorded by the position sensor to obtain the diameter data of the cylindrical workpiece.

4. The outer diameter measuring device as described in claim 3, characterized in that, The base has two opposing first sides, and a third slide rail and a fourth slide rail are respectively formed on the top surface of the base. The third slide rail and the fourth slide rail are perpendicular to the first sides. The second measuring mechanism includes: The third pin is disposed in the third slide rail; The fourth pin is disposed in the fourth slide rail opposite to the third pin; The third and fourth chucks are connected to the position sensor. After the third and fourth chucks are driven to move to clamp the outer wall of the cylindrical workpiece, the displacement of the third and fourth chucks is recorded by the position sensor to obtain the diameter data of the cylindrical workpiece.

5. The outer diameter measuring device as described in claim 4, characterized in that, Also includes: The third measuring mechanism is movably mounted on the base and connected to the position sensor. The third measuring mechanism is driven to move to clamp the upper and lower end faces of the cylindrical workpiece. The displacement of the third measuring mechanism is recorded by the position sensor to obtain the length data of the cylindrical workpiece.

6. The outer diameter measuring device as described in claim 5, characterized in that, The base has two opposing second sides, and a fifth slide rail and a sixth slide rail are formed oppositely on the top surface of the base. The fifth slide rail and the sixth slide rail are perpendicular to the second sides. The third measuring mechanism includes: The fifth pin is located in the fifth slide rail; The sixth pin is disposed in the sixth slide rail, opposite to the fifth pin; The fifth and sixth chuck pins are connected to the position sensor, which drives the fifth and sixth chuck pins to move and clamp the upper and lower ends of the cylindrical workpiece. The position sensor records the displacement of the fifth and sixth chuck pins to obtain the length data of the cylindrical workpiece.

7. The outer diameter measuring device as described in claim 6, characterized in that, include: A display, mounted on the base and connected to the position sensor, displays the data measured by the position sensor.

8. The outer diameter measuring device as described in claim 7, characterized in that, include: A gravity sensor, mounted on the base, is used to measure the weight data of the cylindrical workpiece.

9. The outer diameter measuring device as described in claim 8, characterized in that, The gravity sensor is connected to the display.

10. The outer diameter measuring device as described in claim 9, characterized in that, The positioning seat and the arc support are mounted on the base by bolts.

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