CN212903086U

CN212903086U - High-precision cylinder straightness detector

Info

Publication number: CN212903086U
Application number: CN202022008423.1U
Authority: CN
Inventors: 王小卫
Original assignee: Kunshan Jianyou Technology Co ltd
Current assignee: Kunshan Jianyou Technology Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-04-06
Anticipated expiration: 2030-09-15

Abstract

The utility model relates to a high accuracy cylinder straightness accuracy detector, including base, determine module and analysis subassembly. The shaft products are placed on the two rollers and are matched with the detection unit to move on the guide rail in a rotating mode, and axial and radial upward detection of the shaft products is achieved. The detection unit can be arranged on the linear guide rail in a sliding mode and driven by the servo motor, and the requirements of detecting the fixed position and the fixed direction in a moving mode are met. The analysis component is matched with the detection component, and analyzes and processes the data to obtain a real-time distance oscillogram and analyze the jitter value data of the surface of the rotating shaft. The arrangement of the specific structure solves the problems that the roundness, the straightness and the circle run-out measuring errors of the cylindrical shaft workpiece are large, and the positions of clamping jigs need to be changed when different indexes are measured.

Description

High-precision cylinder straightness detector

Technical Field

The utility model relates to a cylinder detecting instrument especially relates to a high accuracy cylinder straightness accuracy detector.

Background

With the rapid development of the mechanical manufacturing industry in China, the requirements on the detection efficiency, the precision and the like of the cylindrical shaft products are higher and higher. The existing method for measuring the straightness, the roundness and the circular runout error of the workpiece needs to establish a reference rotation axis and need to surround the reference rotation axis during measurement, or sample data on the surface of a rotating workpiece to be measured by using a fixed measuring head or a dial indicator, or sample data on the surface of the fixed workpiece to be measured by using the rotating measuring head or the dial indicator.

The use of a dial gauge, a V-shaped iron and other detection tools can cause errors in measured data due to tool precision and detection operation. And the roundness, straightness and circle run-out of the cylindrical shaft cannot be measured at one time on the part to be detected, and data acquisition and analysis are required to be carried out on different parts according to different measurement requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high accuracy cylinder straightness accuracy detector has solved the big problem that needs to change the clamping position with measuring different indexes of the big and measurement of circularity, straightness accuracy and the circle measuring error of cylinder axle type work piece.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a high accuracy cylinder straightness accuracy detector. It includes:

a base;

the detection assembly is arranged on the base and at least comprises a roll shaft, a guide rail and a detection unit; the number of the roll shafts is at least two, and the two roll shafts are arranged in the same direction and can be linked through a transmission mechanism; the guide rail is arranged below the roll shaft and is parallel to the roll shaft, and the detection unit is arranged on the guide rail in a sliding manner;

and the analysis component is matched with the detection component and is used for controlling the detection component and analyzing and processing the data collected by the detection component.

Furthermore, the detection assembly further comprises a fixing plate, wherein the fixing plate is at least provided with two fixing plates which are respectively arranged in the axial direction of the roll shaft.

Further, the roller shaft is rotatably provided on the fixed plate.

Further, the detection assembly further comprises a driving piece I and a transmission belt, wherein the transmission belt is correspondingly installed at the end part of the roll shaft and connected with the power end of the driving piece I.

Furthermore, the detection assembly further comprises a driving piece II and a connecting piece, and the detection unit is connected with the power end of the driving piece II through the connecting piece.

Further, the guide rail is provided with at least two sets.

Further, the detection assembly further comprises synchronizing wheels, and at least two synchronizing wheels are arranged at two ends of the guide rail respectively in a matched mode.

Further, the connecting piece is rotatably sleeved on the synchronizing wheel.

Further, the synchronizing wheel is connected with the power end of the driving piece II.

Furthermore, the detection unit is erected on the two guide rails and is fixedly connected with the sliding blocks on the guide rails, so that the detection unit is stable in structure and accurate in detection data.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the utility model discloses high accuracy cylinder straightness accuracy detector, axle type product are placed at two epaxial normal running fit detecting element removal on the guide rail of roller, realize counter shaft type product axial and radial ascending detection. The detection unit can be arranged on the linear guide rail in a sliding mode and driven by the servo motor, and the requirements of detecting the fixed position and the fixed direction in a moving mode are met. The analysis component is matched with the detection component, and analyzes and processes the data to obtain a real-time distance oscillogram and analyze the jitter value data of the surface of the rotating shaft.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic view of the overall structure of a high-precision cylinder straightness detector of the present invention;

fig. 2 is a schematic view of the structure of fig. 1 from another angle.

Wherein the reference numerals are as follows:

1. a base; 2. a detection component; 21. a roll shaft; 211. a gear; 212. a conveyor belt; 22. a guide rail; 23. a detection unit; 24. a fixing plate; 241. mounting holes; 242. a bearing; 25. a driving part I; 26. a driving element II; 27. a connecting member; 28. a synchronizing wheel; 29. a slider; 3. and analyzing the component.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1, the high-precision cylinder straightness detector includes a base 1, a detection assembly 2, and an analysis assembly 3.

The base 1 can be made of high-precision marble materials, and the flatness of the base 1 is improved to ensure the measurement precision.

The sensing unit 2 is mounted on the base 1 and includes a roller shaft 21, a fixing plate 24, a mounting hole 241, a bearing 242, and the like. The two fixing plates 24 are oppositely arranged and erected on the substrate 1, two mounting holes 241 arranged side by side are respectively formed in the two fixing plates 24, and axial lines of the two mounting holes 241 oppositely arranged on the two fixing plates 24 are overlapped. The roller shaft 21 is arranged in the two oppositely arranged mounting holes 24, the bearing 242 is sleeved in the mounting hole 241, two ends of the roller shaft 21 are connected with the fixing plate 24 through the bearing 242, the precision of the high-precision roller shaft 21 reaches 0.01mm, and smooth contact with cylindrical shaft products is guaranteed. In other embodiments, the number of the roller shafts 21 is not limited to two, and the rollers can be configured according to actual requirements on the basis of ensuring the matching relationship.

The detection assembly 2 further comprises a gear 211, a conveyor belt 212 and a driving member I25. The same end of the two roll shafts 21 is provided with a gear 211, and the gear 211 is sleeved at one end of the roll shaft 21 and is fixedly connected with the roll shaft 21. The two gears 211 are linked by the conveyor belt 212 and connected with the power end of the driving part I25, and the driving part I25 drives the two gears 211 to rotate through the conveyor belt 212 so as to drive the roll shaft 21 to rotate at a slow speed in the same direction.

As shown in fig. 2, the detecting assembly 2 further includes a guide rail 22, a detecting unit 23, a driving member ii 26, a connecting member 27, a synchronizing wheel 28, and a slider 29. Be provided with the determining deviation between two adjacent roller 21, axle type product is placed on two roller 21, utilizes the syntropy rotation of roller 21 to drive the synchronous rotation of axle type product to cooperation detecting element 23 realizes the detection of axle type product axial and radial ascending. A guide rail 22 is arranged below the center position between the two roll shafts 21, the guide rail 22 is installed on the base 1 and adopts a high-precision strip-shaped guide rail, the direction of the guide rail 22 is consistent with the direction of the two roll shafts 21, and the guide rails 22 are arranged in parallel and are positioned between the two fixing plates 24. In other embodiments, the length of the guide rail 22 and the distance between the two fixing plates 24 can be set according to the length of the detected cylindrical shaft products.

The detection unit 23 is erected on the two guide rails 22 and is fixedly connected with the sliding blocks 29 on the guide rails 22, and the precision of the detection unit 23 is 0.01mm, so that the detection unit 23 is stable in moving structure and the accuracy of collecting detection data is guaranteed. The inspection unit 23 is disposed below between the two rollers 21 to inspect a product placed on the two rollers 21. The synchronizing wheels 28 are arranged at two ends of the guide rail 22 through mounting seats and are positioned between the two guide rails 22, and the two synchronizing wheels 28 are correspondingly arranged and matched; the connecting member 27 is rotatably sleeved on the two synchronizing wheels 28, and the connecting member 27 can be a belt, a chain or other connecting member with a transmission function. The driving end of the driving piece II 26 is connected with a synchronizing wheel 28, and the driving piece II 26 drives the synchronizing wheel 28 to rotate so as to drive the connecting piece 27 to rotate. The driving piece II 26 is a component for providing power by a servo motor and the like. The detection unit 23 is fixedly connected with the connecting piece 27, and the connecting piece 27 drives the detection unit 23 to do reciprocating linear motion on the guide rail 22, so that the requirements of fixed position detection and detection by moving in a fixed direction are met. In other embodiments, the detection unit 23 may be a high-precision distance detection instrument such as a high-precision laser ranging instrument (e.g., a commercially available laser displacement sensor).

As shown in fig. 1 and 2, the analysis module 3 (commercially available, and generally purchased together with the detection unit 23) is in data connection with the detection unit 23, analyzes the data transmitted from the detection unit 23, obtains a real-time distance waveform diagram, and analyzes the jitter value data of the surface of the rotating shaft.

During detection, the cylindrical rotating shaft is placed on the two roller shafts 21, and the two roller shafts 21 are driven by the driving piece I25 to rotate in the same direction at a slow speed. The detection unit 23 starts to move from one end of the cylinder rotating shaft on the guide rail 22, and when the detection unit 23 detects one end of the cylinder rotating shaft, data feedback starts; the detecting unit 23 slowly advances at a constant speed, when the detecting unit 23 reaches the other end of the rotating shaft, the detecting unit 23 moves reversely until the starting end of the rotating shaft is reached, and a cycle data is measured. The analysis component 3 receives the detection data and analyzes and processes the data to obtain a real-time distance oscillogram and analyze the jitter value data of the surface of the rotating shaft.

Detecting the straightness data of the rotating shaft (the straightness of a straight line on the outer surface of the rotating shaft), closing the driving part I25, opening the driving part II 26, stopping the rotation of the two roller shafts 21, and moving the detecting unit 23 (a high-precision distance meter) at a slow speed along the linear guide rail 22;

the roundness data of the rotating shaft is detected, the driving piece I25 is opened, the driving piece II 26 is closed, the two roller shafts 21 rotate, the detection unit 23 stops linear motion along the guide rail, and the detection unit 23 (high-precision distance meter) is reserved for detection at a certain point.

The high-precision cylinder straightness detector consists of a high-precision marble base 1, an inlet high-precision guide rail 22 and a high-precision detection unit 23, and precision parts ensure the overall high precision of the equipment. The longer guide rail can widen the measurement range, and further accurately and efficiently measure the straightness, the roundness and the circular runout of the cylindrical shaft. The detector is generally applied to the fields of paper tube industry, precision machining industry and aerospace.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a high accuracy cylinder straightness accuracy detector which characterized in that, it includes:

a base (1);

the detection assembly (2), the said detection assembly (2) is installed on said base (1), it includes the roll shaft (21), guide rail (22) and detecting element (23) at least; the roll shafts (21) are at least provided with two roll shafts which are arranged in the same direction and can be linked through a transmission mechanism; the guide rail (22) is arranged below the roller shaft (21) and is parallel to the roller shaft (21), and the detection unit (23) is arranged on the guide rail (22) in a sliding manner;

the analysis component (3) is matched with the detection component (2) and used for controlling the detection component (2) and analyzing and processing the data collected by the detection component (2).

2. A high-precision cylinder straightness detector according to claim 1, wherein the detection assembly (2) further comprises at least two fixing plates (24), and the fixing plates (24) are arranged at least two and respectively arranged in the axial direction of the roller shaft (21).

3. A high precision cylinder straightness detector according to claim 2, wherein the roller shaft (21) is rotatably provided on the fixing plate (24).

4. A high precision cylinder straightness detector according to claim 3, wherein the detecting assembly (2) further comprises a driving member i (25) and a transmission belt (212), the transmission belt (212) is correspondingly installed at the end of the roller shaft (21) and is connected with the power end of the driving member i (25).

5. A high precision cylinder straightness detector according to claim 1, wherein the detection assembly (2) further comprises a driving member ii (26) and a connecting member (27), and the detection unit (23) is connected with a power end of the driving member ii (26) through the connecting member (27).

6. A high accuracy cylinder straightness detector according to claim 1, wherein the guide rails (22) are provided in at least two sets.

7. A high precision cylinder straightness detector according to claim 5, wherein the detection assembly (2) further comprises synchronizing wheels (28), at least two synchronizing wheels (28) are cooperatively arranged at two ends of the guide rail (22), respectively, and the synchronizing wheels (28) are connected with the power end of the driving member II (26).

8. A high accuracy cylinder straightness detector according to claim 7, wherein the link (27) is rotatably mounted on the synchronizing wheel (28).

9. A high precision cylinder straightness detector according to claim 1, wherein the detecting unit (23) is slidably disposed below the center position of two adjacent roller shafts (21).

10. A high precision cylinder straightness detector according to claim 9, wherein the detection unit (23) is mounted on the two guide rails (22) and is fixedly connected with the sliding blocks (29) on the guide rails (22).