Coaxiality detection equipment for rod-shaped object

Abstract

The utility model discloses a rod-shaped object coaxiality detection device comprising a rack, and a plurality of support frames are arranged in the rack along the length direction at intervals and are used for supporting a rod-shaped object to be detected; a coaxiality detection mechanism runs in the rack, and the coaxiality detection mechanism moves in the rack along the axis to detect the coaxiality of the rod-shaped object on the supporting frame; a translation mechanism is arranged on one side of the coaxiality detection mechanism, and the coaxiality detection mechanism is driven by the translation mechanism to move in the axial direction to detect the coaxiality of the rod-shaped object on the supporting frame. Based on the four contact sensors of the coaxiality detection mechanism, the coaxiality detection equipment for the rod-shaped object improves the accuracy, repeatability and reliability of measurement, reduces the equipment cost, simplifies the operation process, is suitable for detection of rod-shaped objects with different sizes and shapes, can stably run in various industrial environments, and improves the detection efficiency. And the method has important significance on improving the product quality and the production efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of coaxiality detection equipment, in particular to a rod-shaped object coaxiality detection equipment. Background Art

[0002] Rod coaxiality testing equipment is a key tool used to ensure correct alignment and consistency of the rotation axis during the manufacturing and processing of rod-shaped components (such as shafts, rods, tubes, etc.).

[0003] As a special component, the coaxiality of the drill pipe directly affects its performance. Traditional coaxiality detection methods include using manual tools such as micrometers, gauge blocks, V-blocks and dial indicators for measurement. These methods are cumbersome to operate, require high skills from the operator, and the measurement results are easily affected by human factors, resulting in low efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a rod-shaped object coaxiality detection device, which improves the measurement accuracy, repeatability and reliability based on electronic sensors, while reducing equipment costs, simplifying the operating process, adapting to the detection of rod-shaped objects of different sizes and shapes, and being able to operate stably in various industrial environments, which is of great significance for improving product quality and production efficiency.

[0005] In order to solve the above technical problems, the utility model provides a rod-shaped object coaxiality detection device, comprising a frame,

[0006] A plurality of support frames are arranged in the frame at intervals along the length direction, and are used to support the rod-shaped object to be detected;

[0007] A coaxiality detection mechanism is running in the frame, and the coaxiality detection mechanism moves along the axis in the frame to detect the coaxiality of the rod-shaped object on the support frame;

[0008] A translation mechanism is provided on one side of the coaxiality detection mechanism, and the coaxiality detection mechanism is driven to move axially by the translation mechanism to detect the coaxiality of the rod-shaped object on the support frame.

[0009] Preferably, the coaxiality detection mechanism comprises a detection plate, on which a plurality of detection components are arranged, and the coaxiality of the rod-shaped object is detected by the detection components;

[0010] A through hole is provided at the center of the detection plate, and a plurality of detection components are evenly distributed around the center of the through hole. Coaxiality detection is performed by surrounding the outer circle of the rod-shaped object with the plurality of detection components. During detection, the rod-shaped object passes through the through hole, and the plurality of detection components move from one end of the rod-shaped object to the other end for coaxiality detection.

[0011] Preferably, the detection components are provided with four groups, contacting and detecting the outer circle of the rod-shaped object from four directions.

[0012] Preferably, one side of the detection plate of the coaxiality detection mechanism is connected to a lifting guide rail, and the height of the coaxiality detection mechanism is adjusted by the lifting guide rail to adapt to rod-shaped objects with different diameters.

[0013] Preferably, the detection component comprises a contact sensor and a detection cylinder, and the contact sensor is close to the outer circle of the rod-shaped object for detection under the action of the detection cylinder.

[0014] Preferably, the touch sensor is provided with a contact rod which moves synchronously with the touch sensor, and the touch sensor is protected by the contact rod directly contacting the outer circle of the rod-shaped object.

[0015] Preferably, a roller is installed at the end of the contact rod, so that during the movement, the roller makes rolling contact with the outer circle of the rod-shaped object.

[0016] Preferably, the detection component further comprises a fine-tuning slide, and the contact sensor and the radial position of the contact sensor are adjusted by the fine-tuning slide.

[0017] Preferably, the translation mechanism includes a translation motor and a translation guide rail, and the coaxiality detection mechanism is driven to move along the translation guide rail under the action of the translation motor.

[0018] Preferably, the support frame includes a V-shaped frame body, in which a spring rod and a proximity switch are provided. When a rod-shaped object is placed on the V-shaped frame body, the spring rod is pressed downward, and the proximity switch feeds back a signal indicating that there is an object.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] The rod coaxiality detection equipment is based on four contact sensors of the coaxiality detection mechanism to improve the measurement accuracy, repeatability and reliability, while reducing equipment costs, simplifying the operating process, adapting to the detection of rods of different sizes and shapes, and being able to operate stably in various industrial environments, which is of great significance for improving product quality and production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the rod-shaped object coaxiality detection device provided by the utility model;

[0022] Figure 2 It is a schematic diagram of the internal structure of the rod-shaped object coaxiality detection device provided by the utility model;

[0023] Figure 3It is a structural schematic diagram of the coaxiality detection mechanism provided by the utility model;

[0024] Figure 4 It is a front view of the coaxiality detection mechanism provided by the utility model;

[0025] Figure 5 It is a schematic diagram of the connection between the coaxiality detection mechanism and the lifting guide rail provided by the utility model;

[0026] Figure 6 It is a structural schematic diagram of the detection component provided by the utility model;

[0027] Figure 7 It is a structural schematic diagram of the support frame provided by the utility model.

[0028] In the figure: 1. frame; 2. support frame; 3. coaxiality detection mechanism; 4. translation mechanism; 5. detection plate; 6. detection component; 7. through hole; 8. lifting guide rail; 100. rod-shaped object; 201. V-shaped frame; 202. spring rod; 203. proximity switch; 601. contact sensor; 602. detection cylinder; 603. contact rod; 604. fine-tuning slide. DETAILED DESCRIPTION

[0029] The following is a further detailed description of the present invention in conjunction with the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description and claims. It should be noted that the drawings are in very simplified form and in non-precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0030] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second" and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances. Example

[0032] The utility model provides a rod-shaped object coaxiality detection device, please refer to Figure 1 and Figure 2 , comprising a frame 1, in which a plurality of support frames 2 are arranged at intervals along the length direction, for supporting a rod-shaped object 100 to be detected; a coaxiality detection mechanism 3 is operated in the frame 1, and the coaxiality detection mechanism 3 moves along the axis in the frame 1 to detect the coaxiality of the rod-shaped object 100 on the support frame 2; a translation mechanism 4 is provided on one side of the coaxiality detection mechanism 3, and the coaxiality detection mechanism 3 is driven by the translation mechanism 4 to move along the axial direction to detect the coaxiality of the rod-shaped object 100 on the support frame 2.

[0033] For details, please refer to Figure 3 and Figure 4 The coaxiality detection mechanism 3 includes a detection plate 5, on which a plurality of detection components 6 are arranged, and the coaxiality of the rod-shaped object 100 is detected by the detection components 6; a through hole 7 is opened in the center of the detection plate 5, and a plurality of the detection components 6 are evenly distributed around the center of the through hole 7, and the coaxiality detection is performed around the outer circle of the rod-shaped object 100 by the plurality of detection components 6. During the detection, the rod-shaped object 100 passes through the through hole 7, and the plurality of detection components 6 move from one end of the rod-shaped object 100 to the other end to perform the coaxiality detection.

[0034] In some embodiments, the detection components 6 are provided in four groups, contacting the outer circle of the detection rod 100 from four directions.

[0035] Further, such as Figure 5 As shown, a lifting guide rail 8 is connected to one side of the detection plate 5 of the coaxiality detection mechanism 3, and the height of the coaxiality detection mechanism 3 is adjusted by the lifting guide rail 8 to adapt to rod-shaped objects with different diameters.

[0036] Specifically, Figure 6As shown, the detection assembly 6 includes a contact sensor 601 and a detection cylinder 602. The contact sensor 601 approaches the outer circle of the rod-shaped object 100 for detection under the action of the detection cylinder 602. In addition, the contact sensor 601 is provided with a contact rod 603 that moves synchronously with the contact sensor 601. The contact rod directly contacts the outer circle of the rod-shaped object 100, thereby protecting the contact sensor 601.

[0037] In some embodiments, a roller is installed at the end of the contact rod 603 so that during the movement, the roller makes rolling contact with the outer circle of the rod-shaped object 100 .

[0038] In some embodiments, the detection component 6 further includes a fine-tuning slide 604 , and the contact sensor 601 and the radial position of the contact sensor 601 are adjusted by the fine-tuning slide 604 .

[0039] Specifically, the translation mechanism 4 includes a translation motor and a translation guide rail, and the coaxiality detection mechanism 3 is driven to move along the translation guide rail under the action of the translation motor.

[0040] Specifically, Figure 7 As shown, the support frame 2 includes a V-shaped frame body 201, in which a spring rod 202 and a proximity switch 203 are provided. When a rod-shaped object 100 is placed on the V-shaped frame body 201, the spring rod 202 is pressed downward, and the proximity switch 203 feeds back a signal of an object being present.

[0041] The above description is only a description of the preferred embodiment of the utility model, and is not any limitation on the scope of the utility model. Any changes and modifications made by ordinary technicians in the field of the utility model based on the above disclosure shall fall within the scope of protection of the claims.

Claims

1. A rod-shaped object coaxiality detection device, characterized in that: Includes rack (1), A plurality of support frames (2) are arranged at intervals along the length direction in the frame (1) and are used to support the rod-shaped object (100) to be detected; A coaxiality detection mechanism (3) is running in the frame (1), and the coaxiality detection mechanism (3) moves along the axis in the frame (1) to detect the coaxiality of the rod-shaped object (100) on the support frame (2); A translation mechanism (4) is provided on one side of the coaxiality detection mechanism (3), and the coaxiality detection mechanism (3) is driven by the translation mechanism (4) to move axially to detect the coaxiality of the rod-shaped object (100) on the support frame (2).

2. A rod-shaped object coaxiality detection device as claimed in claim 1, characterized in that: The coaxiality detection mechanism (3) comprises a detection plate (5), on which a plurality of detection components (6) are arranged, and the coaxiality of the rod-shaped object (100) is detected by the detection components (6); A through hole (7) is provided at the center of the detection plate (5), and a plurality of the detection components (6) are evenly distributed around the center of the through hole (7). The plurality of detection components (6) are used to surround the outer circle of the rod-shaped object (100) to perform coaxiality detection. During detection, the rod-shaped object (100) passes through the through hole (7), and the plurality of detection components (6) are moved from one end of the rod-shaped object (100) to the other end to perform coaxiality detection.

3. A rod-shaped object coaxiality detection device as claimed in claim 2, characterized in that: The detection components (6) are provided in four groups, contacting the outer circle of the detection rod-shaped object (100) from four directions.

4. A rod-shaped object coaxiality detection device as claimed in claim 1, characterized in that: A lifting guide rail (8) is connected to one side of the detection plate (5) of the coaxiality detection mechanism (3), and the height of the coaxiality detection mechanism (3) is adjusted by the lifting guide rail (8) to adapt to rod-shaped objects with different diameters.

5. A rod-shaped object coaxiality detection device as claimed in claim 2, characterized in that: The detection component (6) comprises a contact sensor (601) and a detection cylinder (602). Under the action of the detection cylinder (602), the contact sensor (601) approaches the outer circle of the rod-shaped object (100) for detection.

6. A rod-shaped object coaxiality detection device as claimed in claim 5, characterized in that: The contact sensor (601) is provided with a contact rod (603) that moves synchronously with the contact sensor (601), and the contact rod is in direct contact with the outer circle of the rod-shaped object (100), thereby protecting the contact sensor (601).

7. A rod-shaped object coaxiality detection device as claimed in claim 6, characterized in that: A roller is installed at the end of the contact rod (603), so that during the movement, the roller makes rolling contact with the outer circle of the rod-shaped object (100).

8. A rod-shaped object coaxiality detection device as claimed in claim 6, characterized in that: The detection component (6) further comprises a fine-tuning slide (604), and the contact sensor (601) and the radial position of the contact sensor (601) are adjusted by means of the fine-tuning slide (604).

9. The rod-shaped object coaxiality detection device according to claim 1, characterized in that: The translation mechanism (4) comprises a translation motor and a translation guide rail, and the coaxiality detection mechanism (3) is driven to move along the translation guide rail under the action of the translation motor.

10. The rod-shaped object coaxiality detection device according to claim 1, characterized in that: The support frame (2) comprises a V-shaped frame body (201), wherein a spring rod (202) and a proximity switch (203) are arranged inside the V-shaped frame body (201); when a rod-shaped object (100) is placed on the V-shaped frame body (201), the spring rod (202) is pressed downward, and the proximity switch (203) feeds back a signal indicating the presence of an object.

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