Internal and external diameter detection tool and part detection equipment

Abstract

The utility model discloses an internal and external diameter detection tool and a part detection device, which belong to the technical field of part processing, and comprise a support, the first end of the support is provided with a first mounting hole, and the second end of the support is provided with a second mounting hole; the positioning rod piece is arranged in the first mounting hole in a penetrating mode, the measuring head rod piece is movably arranged in the second mounting hole, the first end of the positioning rod piece extends out of the first mounting hole, the first end of the measuring head rod piece extends out of the second mounting hole, and the second end of the measuring head rod piece abuts against a probe of the dial indicator; the first end of the positioning rod piece and the first end of the measuring head rod piece are used for being matched with each other and abutting against the outer circle surface of the shaft part or abutting against the inner wall of an inner hole of the shaft part at the same time. The dial indicator is used for reading the displacement change reading of the measuring head rod piece so as to detect the inner diameter or the outer diameter of each position of the shaft part. The device is simple in structure, small in occupied space, convenient to operate and capable of detecting and measuring the inner diameter or the outer diameter of the shaft part.

Description

Technical Field

[0001] The utility model relates to the technical field of parts processing, in particular, to an inner and outer diameter detection tool. In addition, the utility model also relates to a parts detection device comprising the inner and outer diameter detection tool. Background Art

[0002] In the field of parts processing technology, it is often necessary to measure the inner diameter or outer diameter of a part. For example, a large-size outer diameter detection tool disclosed in a Chinese patent with patent publication number CN209512726U can measure the large-size outer diameter of shaft parts by changing the position of a dial indicator. However, the detection tool occupies a large space, especially when grinding the outer diameter of a large shaft, when the detection tool is used to measure the outer diameter on an external cylindrical grinder, the space is limited, the measurement is inconvenient, and it is easy to cause a large measurement error.

[0003] In addition, the detection tools in the prior art are not convenient for measuring the inner diameter of shaft parts, so further improvement is needed. Utility Model Content

[0004] One purpose of the utility model is to provide an inner and outer diameter detection tool to solve the technical problems that the existing detection tools occupy a large space, are inconvenient to measure, and have limited functions due to the inconvenience in measuring the inner diameter or outer diameter of shaft parts.

[0005] Another object of the utility model is to provide a parts detection device comprising the above inner and outer diameter detection tool.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] An inner and outer diameter detection tool is used to detect the inner diameter or outer diameter of a shaft part. The inner and outer diameter detection tool includes:

[0008] A bracket, wherein a first mounting hole is formed at a first end of the bracket, a second mounting hole is formed at a second end of the bracket, and the first mounting hole and the second mounting hole are positioned opposite to each other and are coaxially arranged;

[0009] A positioning rod, a probe rod and a dial indicator, the positioning rod is inserted into the first mounting hole, the probe rod is movably arranged in the second mounting hole, the first end of the positioning rod extends out of the first mounting hole, the first end of the probe rod extends out of the second mounting hole, the second end of the probe rod abuts against the probe of the dial indicator, the dial indicator is fixedly arranged in the second mounting hole, the first end of the positioning rod and the first end of the probe rod are used to cooperate with each other and abut against the outer cylindrical surface of the shaft part or the inner wall of the inner hole of the shaft part at the same time, the bracket is used to drive the positioning rod and the probe rod to rotate around the axis of the shaft part, and the dial indicator is used to read the displacement change reading of the probe rod and then detect the inner diameter or outer diameter of each part of the shaft part.

[0010] In one or more embodiments of the inner and outer diameter detection tool, the first mounting hole is a screw hole structure, and the second end of the positioning rod is threadedly connected to the first mounting hole.

[0011] In one or more embodiments of the inner and outer diameter detection tool, the first mounting hole is a smooth through hole structure, the bracket is located at the first mounting hole and has a mounting groove, an adjusting nut that can rotate relative to the mounting groove is arranged in the mounting groove, and the second end of the positioning rod passes through the adjusting nut and is connected with the adjusting nut thread.

[0012] In one or more embodiments of the inner and outer diameter detection tool, the inner and outer diameter detection tool also includes a locking piece, the second end of the positioning rod passes through the adjusting nut and extends out of the first mounting hole and is connected to the locking piece, the locking piece is threadedly connected to the second end of the positioning rod, and the locking piece is used to abut the end surface of the first mounting hole and then cooperate with the adjusting nut to axially lock and limit the positioning rod.

[0013] In one or more embodiments of the inner and outer diameter detection tool, a spring is arranged in the second mounting hole, the first end of the spring is connected to the inner wall of the second mounting hole, and the second end of the spring is connected to the second end of the probe rod. The spring is used to apply an elastic force to the probe rod in a direction toward the positioning rod.

[0014] In one or more embodiments of the inner and outer diameter detection tool, a mounting sleeve is provided in the second mounting hole, the dial indicator is inserted into the mounting sleeve, and the mounting sleeve is used to fix the dial indicator.

[0015] In one or more embodiments of the inner and outer diameter detection tool, the mounting sleeve is made of elastic material, and a locking sleeve is provided on the outer wall of the mounting sleeve. The locking sleeve is used to compress the diameter of the mounting sleeve and thereby tighten and fix the dial indicator.

[0016] In one or more embodiments of the inner and outer diameter detection tool, a spring is arranged in the second mounting hole, the first end of the spring abuts against the end surface of the mounting sleeve located in the second mounting hole, the second end of the spring is connected to the second end of the probe rod, and the spring is used to apply an elastic force to the probe rod in a direction toward the positioning rod.

[0017] In one or more embodiments of the inner and outer diameter detection tool, the end faces of the first end of the positioning rod and the first end of the probe rod are both provided with pads.

[0018] According to another aspect of the utility model, a parts detection device is also provided, which includes the above-mentioned inner and outer diameter detection tool.

[0019] The utility model has the following beneficial effects:

[0020] The utility model has a simple structure for inner and outer diameter detection tool, which is convenient for hand-held operation, and can flexibly measure the inner diameter or outer diameter of shaft parts in a limited space, and the measurement progress is high. The bracket plays the role of installing the overall measuring component, and the bracket is provided with a first mounting hole and a second mounting hole which are coaxial and correspond to each other on both sides. The first mounting hole and the second mounting hole are respectively used to install the positioning rod and the probe rod, and the probe rod is connected to the dial indicator at the same time, and the dial indicator is also fixed in the second mounting hole. The probe rod is movably installed, so the positioning rod and the probe rod can be driven by the bracket to rotate around the axis of the shaft part, and the positioning rod and the probe rod can simultaneously fit the inner wall or outer cylindrical surface of the shaft part for inspection and measurement. The diameter value of each circumferential point can be measured by the dial indicator, and the diameter parameter of the measured part can be conveniently and quickly detected by comparing with the standard value, and the operation is very convenient and efficient.

[0021] The parts detection equipment of the utility model also has the above-mentioned beneficial effects.

[0022] Of course, any product implementing the present invention does not necessarily need to achieve all the advantages described above at the same time. In addition to the purposes, features and advantages described above, the present invention also has other purposes, features and advantages. The present invention will be further described in detail with reference to the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0024] Figure 1 It is a schematic diagram of the overall structure of a preferred embodiment of the utility model;

[0025] Figure 2 It is a structural schematic diagram of a locking member of a preferred embodiment of the utility model.

[0026] Figure 3 It is a structural schematic diagram of a positioning rod according to a preferred embodiment of the utility model.

[0027] Figure 4 It is a structural schematic diagram of a probe rod member of a preferred embodiment of the utility model.

[0028] Legend: 1. Locking piece; 2. Adjusting nut; 3. Positioning rod; 4. Bracket; 5. Probe rod; 6. Spring; 7. Locking sleeve; 8. Dial indicator; 9. Mounting sleeve; 10. Alloy block. DETAILED DESCRIPTION

[0029] The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. However, the present invention can be implemented in a variety of different ways as defined and covered below.

[0030] Please refer to the attached drawing, which is a structural schematic diagram of a preferred embodiment of an inner and outer diameter detection tool and a parts detection device provided by the utility model.

[0031] An inner and outer diameter detection tool is used to detect the inner diameter or outer diameter of a shaft part. The inner and outer diameter detection tool includes:

[0032] A bracket 4, wherein a first mounting hole is formed at a first end of the bracket 4, and a second mounting hole is formed at a second end of the bracket, wherein the first mounting hole and the second mounting hole are oppositely positioned and coaxially arranged;

[0033] The positioning rod 3, the probe rod 5 and the dial indicator 8, the positioning rod 3 is inserted into the first mounting hole, the probe rod 5 is movably arranged in the second mounting hole, the first end of the positioning rod 3 extends out of the first mounting hole, the first end of the probe rod 5 extends out of the second mounting hole, the second end of the probe rod 5 abuts against the probe of the dial indicator 8, the dial indicator 8 is fixedly arranged in the second mounting hole, the first end of the positioning rod 3 and the first end of the probe rod 5 are used to cooperate with each other and abut against the outer cylindrical surface of the shaft part or the inner wall of the inner hole of the shaft part at the same time, the bracket 4 is used to drive the positioning rod 3 and the probe rod 5 to rotate around the axis of the shaft part, and the dial indicator 8 is used to read the displacement change reading of the probe rod 5 and then detect the inner diameter or outer diameter of each part of the shaft part.

[0034] Here, the meaning of "bracket 4" refers to a structure that plays a role in mounting the positioning rod 3 and the probe rod 5. In some embodiments, the bracket 4 is a U-shaped plate or a U-shaped rod structure. The first mounting hole and the second mounting hole are holes opened at both ends of the bracket 4 that correspond to each other and are coaxial.

[0035] The utility model has a simple structure and is convenient for hand-held operation. It can flexibly measure the inner diameter or outer diameter of shaft parts in a limited space, and the measurement progress is high. The bracket 4 plays the role of installing the overall measuring component. The bracket 4 is provided with a first mounting hole and a second mounting hole that correspond to each other and are coaxial on both sides. The first mounting hole and the second mounting hole are used to install the positioning rod 3 and the probe rod 5 respectively, and the probe rod 5 is connected to the dial indicator 8 at the same time. The dial indicator 8 is also fixed in the second mounting hole. The probe rod 5 is movably installed, so the positioning rod 3 and the probe rod 5 can be driven by the bracket 4 to rotate around the axis of the shaft part. The positioning rod 3 and the probe rod 5 are simultaneously attached to the inner wall or outer cylindrical surface of the shaft part for inspection and measurement. The diameter value of each circumferential point can be measured by the dial indicator 8. By comparing with the standard value, the diameter parameter of the measured part can be conveniently and quickly detected. The operation is very convenient and efficient.

[0036] In one embodiment, the first mounting hole is a screw hole structure, and the second end of the positioning rod 3 is threadedly connected to the first mounting hole.

[0037] It can be understood that the positioning rod 3 is threadedly connected to the first mounting hole, and the positioning rod 3 can be rotated to screw it in and out, thereby adjusting the position of the positioning rod 3 and the length of the first end of the positioning rod 3 to meet the measurement requirements of shaft parts of different diameters.

[0038] In another embodiment, please refer to Figure 1 As shown, the first mounting hole is a smooth through hole structure, the bracket 4 is located at the first mounting hole and has a mounting groove, an adjusting nut 2 that can rotate relative to the mounting groove is arranged in the mounting groove, and the second end of the positioning rod 3 passes through the adjusting nut 2 and is threadedly connected with the adjusting nut 2.

[0039] Optionally, see Figure 1 As shown, the inner and outer diameter detection tool also includes a locking piece 1. The second end of the positioning rod 3 passes through the adjusting nut 2 and then extends out of the first mounting hole and is connected to the locking piece 1. The locking piece 1 is threadedly connected to the second end of the positioning rod 3. The locking piece 1 is used to abut the end face of the first mounting hole and then cooperate with the adjusting nut 2 to axially lock and limit the positioning rod 3.

[0040] It can be understood that in this embodiment, only the adjusting nut 2 needs to be rotated to drive the positioning rod 3 to move axially and adjust the position of the positioning rod 3, which is very convenient to operate. The axial displacement of the positioning rod 3 can be locked and limited in cooperation with the locking member 1. The locking member 1 can be a locking nut, which plays a role in locking and limiting the positioning rod 3 through the locking member 1 and the adjusting nut 2. The locking member 1 and the adjusting nut 2 play the main role in bearing force. The locking member 1 and the adjusting nut 2 are both wearing parts that are easy to disassemble and replace, which can improve the efficiency of maintenance and replacement, thereby extending the service life of the entire device, ensuring the stability of the state of long-term use, and reducing the loosening of the measuring components.

[0041] Preferably, a spring 6 is arranged in the second mounting hole, the first end of the spring 6 is connected to the inner wall of the second mounting hole, the second end of the spring 6 is connected to the second end of the probe rod 5, and the spring 6 is used to apply an elastic force to the probe rod 5 in a direction toward the positioning rod 3.

[0042] It can be understood that the probe rod 5 is movably installed in the second mounting hole and is limited by the spring 6. The spring 6 not only plays a buffering role for the probe rod 5 to prevent the probe rod 5 from strong collision and impact with the part to be measured, but also can flexibly adjust the position of the probe rod 5 and make the probe rod 5 have a reset function, which is convenient for forming a measuring space with a certain distance between the probe rod 5 and the positioning rod 3 to ensure the accuracy of the measurement.

[0043] Preferably, please refer to Figure 1 As shown, a mounting sleeve 9 is provided in the second mounting hole, and the dial indicator 8 is inserted into the mounting sleeve 9 . The mounting sleeve 9 is used to fix the dial indicator 8 .

[0044] Optionally, the installation sleeve 9 is made of elastic material, and a locking sleeve 7 is provided on the outer wall of the installation sleeve 9. The locking sleeve 7 is used to compress the diameter of the installation sleeve 9 and thereby tighten and fix the dial indicator 8.

[0045] It can be understood that the installation sleeve 9 realizes the fixed installation of the dial gauge 8 in the second installation hole. The installation sleeve 9 with an elastic structure can compress the diameter of the installation sleeve 9 through the locking sleeve 7, thereby pressing the dial gauge 8 and tightening the dial gauge 8. At the same time, the dial gauge 8 can be conveniently disassembled by removing the locking sleeve 7. Of course, the utility model does not exclude the possibility that the dial gauge 8 is fixed with a fixing sleeve with external threads on the body of the dial gauge 8. Through the solution of threaded connection between the fixing sleeve and the second installation hole, the dial gauge 8 can also be conveniently fixed and installed in the second installation hole, and can be disassembled with simple operation.

[0046] In this preferred embodiment, a spring 6 is arranged in the second mounting hole, the first end of the spring 6 abuts against the end surface of the mounting sleeve 9 located in the second mounting hole, the second end of the spring 6 is connected to the second end of the probe rod 5, and the spring 6 is used to apply an elastic force to the probe rod 5 in a direction toward the positioning rod 3.

[0047] It can be understood that the spring 6 can be movably installed, the first end of the spring 6 is connected to the installation sleeve 9, and the second end of the spring 6 can be abutted or fixedly connected to the probe rod 5, which can facilitate the removal and replacement of the spring 6.

[0048] Preferably, please refer to Figure 1 As shown, the end surfaces of the first end of the positioning rod 3 and the first end of the probe rod 5 are both provided with pads.

[0049] It is understandable that the pad can improve the wear resistance of the first end of the positioning rod 3 and the probe rod 5, which is conducive to extending the service life of the positioning rod 3 and the probe rod 5. In some embodiments, the pad can be an alloy block 10 made of alloy material. Of course, the utility model does not exclude the technical solution of setting rollers at the first ends of the positioning rod 3 and the probe rod 5, which can further reduce the friction between the two and the shaft parts when they are in contact.

[0050] According to another aspect of the present invention, a part detection device is also provided, which includes the above inner and outer diameter detection tool. It should be noted that the part detection device of the present invention also includes a mechanical arm in some embodiments.

[0051] The parts detection equipment of the utility model also has the above-mentioned beneficial effects.

[0052] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0053] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above is only the preferred implementation method of the utility model. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, ordinary technicians in this technical field can make several improvements, modifications or changes without departing from the principles of the utility model, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection of the utility model.

Claims

1. An inner and outer diameter detection tool for detecting the inner diameter or outer diameter of shaft parts, characterized in that: Inside and outside diameter inspection tools include: A bracket (4), wherein a first mounting hole is formed at a first end of the bracket (4), and a second mounting hole is formed at a second end of the bracket, wherein the first mounting hole and the second mounting hole are positioned opposite to each other and are coaxially arranged; A positioning rod (3), a probe rod (5) and a dial indicator (8), wherein the positioning rod (3) is inserted into the first mounting hole, the probe rod (5) is movably arranged in the second mounting hole, the first end of the positioning rod (3) extends out of the first mounting hole, the first end of the probe rod (5) extends out of the second mounting hole, the second end of the probe rod (5) abuts against the probe of the dial indicator (8), the dial indicator (8) is fixedly arranged in the second mounting hole, the first end of the positioning rod (3) and the first end of the probe rod (5) are used to cooperate with each other and abut against the outer cylindrical surface of the shaft part or the inner wall of the inner hole of the shaft part at the same time, the bracket (4) is used to drive the positioning rod (3) and the probe rod (5) to rotate around the axis of the shaft part, and the dial indicator (8) is used to read the displacement change reading of the probe rod (5) and then detect the inner diameter or outer diameter of each part of the shaft part.

2. An inner and outer diameter detection tool according to claim 1, characterized in that: The first mounting hole is a screw hole structure, and the second end of the positioning rod (3) is threadedly connected to the first mounting hole.

3. The inner and outer diameter detection tool according to claim 1, characterized in that: The first mounting hole is a smooth through-hole structure, and the bracket (4) is provided with a mounting groove at the first mounting hole, and an adjusting nut (2) is arranged in the mounting groove and can rotate relative to the mounting groove, and the second end of the positioning rod (3) passes through the adjusting nut (2) and is threadedly connected with the adjusting nut (2).

4. The inner and outer diameter detection tool according to claim 3, characterized in that: The inner and outer diameter detection tool also includes a locking piece (1), the second end of the positioning rod (3) passes through the adjusting nut (2) and then extends out of the first mounting hole and is connected to the locking piece (1), the locking piece (1) is threadedly connected to the second end of the positioning rod (3), and the locking piece (1) is used to abut the end surface of the first mounting hole and then cooperate with the adjusting nut (2) to axially lock and limit the positioning rod (3).

5. The inner and outer diameter detection tool according to claim 1, characterized in that: A spring (6) is arranged in the second mounting hole, a first end of the spring (6) is connected to the inner wall of the second mounting hole, a second end of the spring (6) is connected to the second end of the probe rod (5), and the spring (6) is used to apply an elastic force to the probe rod (5) in a direction toward the positioning rod (3).

6. The inner and outer diameter detection tool according to claim 1, characterized in that: A mounting sleeve (9) is arranged in the second mounting hole, the dial gauge (8) is inserted into the mounting sleeve (9), and the mounting sleeve (9) is used for fixing and connecting the dial gauge (8).

7. The inner and outer diameter detection tool according to claim 6, characterized in that: The installation sleeve (9) is made of elastic material. The outer wall of the installation sleeve (9) is provided with a locking sleeve (7). The locking sleeve (7) is used to compress the diameter of the installation sleeve (9) and thereby tighten and fix the dial indicator (8).

8. The inner and outer diameter detection tool according to claim 6, characterized in that: A spring (6) is arranged in the second mounting hole, a first end of the spring (6) abuts against an end surface of the mounting sleeve (9) located in the second mounting hole, a second end of the spring (6) is connected to a second end of the probe rod (5), and the spring (6) is used to apply an elastic force to the probe rod (5) in a direction toward the positioning rod (3).

9. The inner and outer diameter detection tool according to claim 1, characterized in that: The end surfaces of the first end of the positioning rod (3) and the first end of the measuring head rod (5) are both provided with cushion blocks.

10. A parts detection device, characterized in that: It comprises the inner and outer diameter detection tool as described in any one of claims 1 to 9.

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