CN216593051U

CN216593051U - Impeller size detection device

Info

Publication number: CN216593051U
Application number: CN202122425512.0U
Authority: CN
Inventors: 王坤; 张寅�; 董欣; 郁晋军; 马建; 刘敏强
Original assignee: Hefei Yuchi Vacuum Technology Co ltd
Current assignee: Hefei Yuchi Vacuum Technology Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-05-24
Anticipated expiration: 2031-09-30

Abstract

The utility model relates to an impeller size detection device, which comprises a detection platform, a support module, a detection module and a display module; the supporting module, the detecting module and the display module are all arranged on the detecting platform, the supporting module is rotatably provided with a fixing unit, an impeller to be detected is fixed on the fixing unit, the detecting module is used for detecting the appearance and the size of the impeller, and the display module is used for displaying data detected by the detecting module. The impeller size detection device provided by the disclosure is characterized in that the supporting module is arranged on the detection platform, the fixing unit is rotatably arranged on the supporting module, the rotatable impeller to be detected is arranged on the fixing unit, the appearance and the size of the impeller are detected by the detecting module, and the detected data are displayed by the display module. Therefore, the detection efficiency and precision of the impeller are improved, errors caused by human factors are reduced, and the stability of a detection result is improved.

Description

Impeller size detection device

Technical Field

The utility model relates to an impeller detects technical field, especially relates to an impeller size detection device.

Background

The molecular pump is used for vacuumizing a container, belongs to the technical field of vacuum obtaining equipment, and has the working principle that gas in a cavity of the container is pumped out through an impeller rotating at a high speed, and gas molecules in the cavity are directionally pumped out, so that a required high-vacuum environment is obtained.

The impeller is used as a core component of the molecular pump and plays an important role in the overall performance, service life, reliability and cost of the molecular pump. The size and the form and position precision of the impeller have great influence on the performance and the service life of the molecular pump, and bring great difficulty to the operation and debugging of the molecular pump. The finished impeller needs to be inspected before assembly, and the inspection includes appearance inspection and size inspection.

At present, no matter appearance detection or size detection is carried out, manual observation is carried out manually or measuring is carried out manually by using a measuring tool, so that the detection efficiency is low, human factors are large, and the stability of a detection result is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem described above or at least partially solve the technical problem described above, the present disclosure provides an impeller size detection apparatus.

The utility model provides an impeller size detection device, which comprises a detection platform, a support module, a detection module and a display module;

the support module, the detection module and the display module are all arranged on the detection platform, a fixing unit is rotatably arranged on the support module, an impeller to be detected is fixed on the fixing unit, the detection module is used for detecting the appearance and the size of the impeller, and the display module is used for displaying data detected by the detection module.

Optionally, the support module includes a first support column and a second support column which are oppositely arranged;

the fixed units are arranged in two numbers, the two fixed units are respectively arranged on the first supporting column and the second supporting column, and the two fixed units are oppositely arranged.

Optionally, a slide rail is arranged on the detection platform, the second support column is slidably arranged on the slide rail, and the arrangement direction of the slide rail is the direction in which the first support column and the second support column are arranged relatively.

Optionally, the fixing unit includes a clamp and a turntable;

one side of the rotary table is rotatably arranged on the supporting module, the clamp is arranged on one side, away from the supporting module, of the rotary table, and the clamp is telescopically arranged on the rotary table.

Optionally, an air cylinder is arranged on one side of the turntable, which is far away from the support module, two connecting rods which can slide and stretch are arranged on two opposite sides of the air cylinder, the number of the two clamps is two, the two clamps are respectively connected with the connecting rods on two sides of the air cylinder, and the connecting rods drive the clamps to move;

the fixture is characterized in that an adjusting assembly is arranged on the cylinder, one end of the adjusting assembly is connected with the cylinder, the other end of the adjusting assembly is connected with the fixture on one side of the cylinder, and the adjusting assembly is used for fixing the position of the fixture on one side of the cylinder.

Optionally, the clamp includes a clamping jaw and a connecting plate, and the clamping jaw is connected with the connecting rod through the connecting plate.

Optionally, the detection module includes a coaxiality detection unit, an end face detection unit, a roundness detection unit, and a size detection unit.

Optionally, the coaxiality detection unit is arranged on one side of the support module, a linear module is arranged on the detection platform, the linear module is arranged along the axial direction of the impeller on the support module, and the coaxiality detection unit is slidably arranged on the linear module.

Optionally, the coaxiality detection unit comprises a lifting support, an adjusting mechanism is arranged on the lifting support, a first measuring instrument is arranged on the adjusting mechanism, and the adjusting mechanism is used for adjusting the position of the first measuring instrument.

Optionally, the end face detection unit, the roundness detection unit and the size detection unit are all composed of six-degree-of-freedom manipulators, and the manipulators are provided with second measuring instruments.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

the impeller size detection device provided by the disclosure is characterized in that the supporting module is arranged on the detection platform, the fixing unit is rotatably arranged on the supporting module, the rotatable impeller to be detected is arranged on the fixing unit, the appearance and the size of the impeller are detected by the detecting module, and the detected data are displayed by the display module. Therefore, the detection efficiency and precision of the impeller are improved, errors caused by human factors are reduced, and the stability of a detection result is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of an impeller size detection apparatus according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a fixing unit according to an embodiment of the disclosure;

fig. 3 is a schematic structural diagram of a coaxiality detection unit according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a robot according to an embodiment of the present disclosure.

10, detecting a platform; 11. an impeller; 20. a support module; 21. a fixing unit; 211. a clamp; 2111. a clamping jaw; 2112. a connecting plate; 212. a turntable; 22. a first support column; 23. a second support column; 24. a slide rail; 25. a cylinder; 26. a connecting rod; 27. an adjustment assembly; 30. a detection module; 31. a coaxiality detection unit; 311. a linear module; 312. a lifting support; 313. an adjustment mechanism; 314. a first measuring instrument; 32. an end face detection unit; 33. a roundness detection unit; 34. a size detection unit; 35. a manipulator; 36. a second measuring instrument; 40. and a display module.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

In this embodiment, the impeller in the molecular pump is exemplified, and in other embodiments, the impeller may be in other pump apparatuses.

The present disclosure provides an impeller size detection apparatus, as shown in fig. 1, including a detection platform 10, a support module 20, a detection module 30, and a display module 40. Wherein, the top of testing platform 10 is equipped with horizontal desktop, and support module 20, detection module 30 and display module 40 all set up on the horizontal desktop of testing platform 10. The supporting module 20 is used for supporting the impeller 11 to be detected, so that the impeller 11 is in a suspended state, and the detection of the impeller 11 is facilitated. The support module 20 is provided with a fixing unit 21, the fixing unit 21 is rotatably connected to the support module 20, and the impeller 11 to be detected is fixed by the fixing unit 21. The impeller 11 to be detected can rotate on the fixing unit 21, so that the requirement in detection is met, and the detection is more comprehensive. The detection module 30 is used for detecting the appearance and the size of the impeller 11, the detection module 30 is specifically arranged around the support module 20, and after the impeller 11 to be detected is fixed on the fixing unit 21, the detection module 30 detects the impeller 11 and realizes comprehensive detection of the impeller 11 by continuously rotating the impeller 11. After the detection of the impeller 11 is completed, the current impeller 11 is detached from the fixing unit 21, and the next impeller 11 to be detected is installed, so that the cycle is repeated, and the rapid detection of the impeller 11 is realized. The display module 40 is used for displaying the data of the impeller 11 detected by the detection module 30, and the operator determines whether the appearance and the size of the impeller 11 meet the requirements by analyzing the detected data.

According to the impeller size detection device provided by the disclosure, the support module 20 is arranged on the detection platform 10, the fixing unit 21 is rotatably arranged on the support module 20, the rotatable impeller 11 to be detected is arranged on the fixing unit 21, the appearance and the size of the impeller 11 are detected by the detection module 30, and the detected data are displayed by the display module 40. Therefore, the detection efficiency and the detection precision of the impeller 11 are improved, errors caused by human factors are reduced, and the stability of a detection result is improved.

Preferably, the display module 40 may display the detection data synchronously when the detection module 30 detects the impeller 11, so as to ensure real-time performance of the detection data. Furthermore, the display module 40 may further be provided with a data storage unit and a data transmission unit to store the detected data, collect the stored data, and perform the next processing on the collected data.

Specifically, as shown in fig. 1, the support module 20 includes a first support column 22 and a second support column 23 which are oppositely disposed. The number of the fixing units 21 is two, the two fixing units 21 are respectively disposed on the first support column 22 and the second support column 23, and the arrangement directions of the two fixing units 21 are also opposite. The impeller 11 to be detected is fixed by two fixing units 21 which are oppositely arranged, and the two fixing units 21 fix two ends of the impeller 11 respectively.

As shown in fig. 1, a slide rail 24 is disposed on the detection platform 10, the slide rail 24 has two slide ways, the two slide ways are disposed in parallel, a slide groove matched with the slide way is disposed on the second support pillar 23, and the second support pillar 23 is slidably disposed on the slide rail 24 through the matching between the slide groove and the slide rail 24. The arrangement direction of the slide rail 24 and the first support column 22 and the second support column 23 are located in the same direction, the second support column 23 moves along the slide rail 24 to be far away from or close to the first support column 22, the distance between the two fixing units 21 is adjusted, and it is guaranteed that the impellers 11 with different lengths can be installed on the fixing units 21.

Further, as shown in fig. 2, the fixing unit 21 includes a clamp 211 and a turntable 212. One side of the turntable 212 is rotatably disposed on the support module 20, the clamp 211 is disposed on one side of the turntable 212 far away from the support module 20, and the rotation of the turntable 212 drives the clamp 211 to rotate, so as to drive the impeller 11 to rotate. The holder 211 is telescopically arranged to fix impellers 11 of different diameters.

Furthermore, as shown in fig. 2, a cylinder 25 is disposed on one side of the turntable 212 away from the support module 20, the cylinder 25 is specifically of a rectangular parallelepiped or square structure, two opposite sides of the cylinder 25 are both provided with a connecting rod 26 capable of sliding and extending, the connecting rod 26 contracts toward the inside of the cylinder 25 or extends toward the outside of the cylinder 25, the clamps 211 are respectively connected to the connecting rods 26 on the two sides, and the connecting rod 26 drives the clamps 211 to move, so that the clamps 211 contract or expand, and the impellers 11 with different diameters can be fixed by the clamps 211.

As shown in fig. 2, the clamp 211 includes two clamping jaws 2111 and a connecting plate 2112, one end of the two clamping jaws 2111 is fixed on the connecting plate 2112, the two clamping jaws 2111 are spaced apart, the connecting plate 2112 is fixedly connected with the connecting rod 26, and the other end of the clamping jaw 2111 extends toward a side away from the support module 20 to fix the impeller 11. Each fixing unit 21 includes two sets of clamps 211, and the two sets of clamps 211 are respectively disposed on the connecting rods 26 on both sides of the cylinder 25. The clamping jaws 2111 of the first support column 22 and the second support column 23 can be arranged in or out of the hole according to the actual size of the hole diameter at the two ends of the impeller 11. If the aperture at the end of the impeller 11 is large, the jaws 2111 may be inserted into the aperture, with the jaws 2111 relaxing outwardly, creating an outward force on the aperture to secure the impeller 11. If the aperture at the end of the impeller 11 is small enough that the four jaws 2111 do not extend into the aperture, the jaws 2111 are positioned outside the aperture and an inward force is applied to the aperture by inward contraction of the jaws 2111 to hold the impeller 11 in place. When the impeller 11 is detected, the clamping jaws 2111 on the first supporting column 22 and the second supporting column 23 act on two ends of the impeller 11 at the same time, so that the impeller 11 is fixed.

As shown in fig. 1, the detection module 30 specifically includes a coaxiality detection unit 31, an end face detection unit 32, a roundness detection unit 33, and a size detection unit 34. The coaxiality detection unit 31 is used for detecting the coaxiality of the impeller 11; the end face detection unit 32 is used for detecting the size of the end face of the impeller 11; the roundness detection unit 33 is used for detecting the roundness of a circle formed by the blades on the impeller 11; the size detection unit 34 is used for detecting the specific size of each part of the impeller 11.

Through the setting of each detecting element, 11 size detection devices of impeller can detect data such as 11 size axiality of impeller, circularity, terminal surface, size in proper order in a testing process, have improved the efficiency and the precision of detection, have reduced artificial participation, have saved the labour.

As shown in fig. 3, the coaxiality detecting unit 31 is disposed on one side of the support module 20, the detecting platform 10 is provided with a linear module 311, the linear module 311 is disposed along the axial direction of the impeller 11 mounted on the support module 20, and the coaxiality detecting unit 31 is slidably disposed on the horizontal guide linear module 311. The coaxiality detection unit 31 reciprocally slides on the linear block 311 to detect the coaxiality of the impeller 11.

Further, the fixing unit 21 further includes an adjusting assembly 27, one end of the adjusting assembly 27 is fixed on the outer side of the cylinder 25, and the other end of the adjusting assembly 27 is connected to the clamp 211 on one side of the cylinder 25, and is specifically connected to the connecting plate 2112 of the clamp 211. The length of the adjusting assembly 27 can be adjusted according to actual needs. When the impeller 11 is fixed, after the clamps 211 at both sides of the cylinder 25 of the fixing unit 21 on the first support column 22 extend for a certain distance, one of the clamps 211 is fixed by the adjusting assembly 27, so that the distance between the clamp 211 and the cylinder 25 is kept constant, and the other clamp 211 is adjusted. Similarly, the clamp 211 on one side of the cylinder 25 on the second supporting column 23 is also fixed by the adjusting assembly 27, and the clamp 211 on the other side is adjusted to adjust the axial direction of the impeller 11 to a predetermined direction, i.e. parallel to the direction of the linear module 311.

As shown in fig. 3, the coaxiality detecting unit 31 includes a lifting support 312, the lifting support 312 is disposed in a vertical direction, a slider is disposed at a bottom of the lifting support 312, the slider is slidably disposed on the linear module 311, an adjusting mechanism 313 is disposed at a top of the lifting support 312, and a first measuring instrument 314 is disposed on the adjusting mechanism 313. The adjustment mechanism 313 can adaptively adjust the first measuring instrument 314 for different impellers 11, and adjust the first measuring instrument 314 to a predetermined position to perform the coaxiality measurement on the impellers 11.

As shown in fig. 4, the end surface detecting unit 32, the roundness detecting unit 33, and the size detecting unit 34 are each composed of a six-degree-of-freedom robot 35, and the robot 35 is provided with a second measuring instrument 36. The adoption of the six-degree-of-freedom manipulator 35 can realize the all-round detection of the impeller 11 without dead angles. The end face detection unit 32, the roundness detection unit 33, and the size detection unit 34 are fixed to the detection platform 10, respectively. An end face detection unit 32 is fixed near the end face of the impeller 11, a roundness detection unit 33 is fixed near the blades of the impeller 11, and a size detection unit 34 is provided at a middle position of the impeller 11.

When the impeller 11 needs to be measured, the impeller 11 to be measured is fixed on the detection platform 10 through the clamping jaws 2111 on the first support column 22 and the second support column 23, the coaxiality detection unit 31 adjusts the first measuring instrument 314 to a preset position through the adjusting mechanism 313, and detects the coaxiality of the impeller 11, the size detection unit 34, the end face detection unit 32 and the roundness detection unit 33 sequentially complete the detection of the size, the end face and the roundness of the impeller 11, and the detected data are stored and displayed on the display module 40 in real time. After the detection is completed, the impeller 11 is detached from the jig 211, and the next impeller 11 to be detected is mounted.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The impeller size detection device is characterized by comprising a detection platform (10), a support module (20), a detection module (30) and a display module (40);

the supporting module (20), the detecting module (30) and the display module (40) are all arranged on the detecting platform (10), the supporting module (20) is rotatably provided with a fixing unit (21), an impeller (11) to be detected is fixed on the fixing unit (21), the detecting module (30) is used for detecting the appearance and the size of the impeller (11), and the display module (40) is used for displaying data detected by the detecting module (30).

2. The impeller size detection device according to claim 1, characterized in that said support module (20) comprises a first support column (22) and a second support column (23) arranged opposite each other;

the number of the fixed units (21) is two, the fixed units (21) are respectively arranged on the first supporting column (22) and the second supporting column (23), and the fixed units (21) are oppositely arranged.

3. The impeller size detection device according to claim 2, wherein a slide rail (24) is provided on the detection platform (10), the second support column (23) is slidably disposed on the slide rail (24), and the slide rail (24) is disposed in a direction in which the first support column (22) and the second support column (23) are disposed opposite to each other.

4. The impeller size detecting apparatus according to claim 1, wherein the fixing unit (21) includes a jig (211) and a turntable (212);

one side of the rotary table (212) is rotatably arranged on the supporting module (20), the clamp (211) is arranged on one side, away from the supporting module (20), of the rotary table (212), and the clamp (211) is telescopically arranged on the rotary table (212).

5. The impeller size detection device according to claim 4, characterized in that a cylinder (25) is arranged on one side of the turntable (212) far away from the support module (20), two sliding and telescopic connecting rods (26) are arranged on two opposite sides of the cylinder (25), the number of the clamps (211) is two, the two clamps (211) are respectively connected with the connecting rods (26) on two sides of the cylinder (25), and the connecting rods (26) drive the clamps (211) to move;

be equipped with adjusting part (27) on cylinder (25), adjusting part (27) one end with cylinder (25) are connected, and the other end is connected cylinder (25) one side anchor clamps (211), adjusting part (27) are used for fixing cylinder (25) with cylinder (25) one side the position of anchor clamps (211).

6. The impeller size detection device according to claim 5, characterized in that the clamp (211) comprises a clamping jaw (2111) and a connection plate (2112), the clamping jaw (2111) being connected with the connection rod (26) through the connection plate (2112).

7. The impeller size detection device according to claim 1, wherein the detection module (30) includes a coaxiality detection unit (31), an end face detection unit (32), a roundness detection unit (33), and a size detection unit (34).

8. The impeller size detecting apparatus according to claim 7, wherein the coaxiality detecting unit (31) is provided on a side of the support module (20), a linear block (311) is provided on the detecting platform (10), the linear block (311) is provided along an axial direction of the impeller (11) mounted on the support module (20), and the coaxiality detecting unit (31) is slidably provided on the linear block (311).

9. The impeller size detection device according to claim 8, wherein the coaxiality detection unit (31) comprises a lifting support (312), an adjusting mechanism (313) is arranged on the lifting support (312), a first measuring instrument (314) is arranged on the adjusting mechanism (313), and the adjusting mechanism (313) is used for adjusting the position of the first measuring instrument (314).

10. The impeller size detection device according to claim 7, wherein the end face detection unit (32), the roundness detection unit (33), and the size detection unit (34) are each composed of a six-degree-of-freedom robot (35), and a second measuring instrument (36) is provided on the robot (35).