Cross-flow fan blade detection tool

Abstract

The utility model discloses a cross-flow fan blade detection tool, and relates to the technical field of cross-flow fan blades, and the cross-flow fan blade detection tool comprises a detection pedestal, the top of the detection pedestal is slidingly connected with a clamping plate, and the inner cavity of the detection pedestal drives the clamping plate to move through a clamping mechanism, and is used for installing cross-flow fan blades with different lengths for detection. The moving box is pushed by the electric push rod to slide along the sliding rail plate, the diameter detection mechanism starts to work, the sensing plate can monitor outer diameter data of the cross-flow fan blade in real time and convert the outer diameter data into electric signals, laser beams are emitted through the distance measuring instrument, fan blade surface reflection signals are received through the distance measuring instrument, and the radial run-out condition during rotation of the fan blade is dynamically monitored. According to the technical scheme, the method is advantaged in that fan blade run-out error data are acquired, detection of the diameter and run-out of the cross-flow fan blade can be synchronously completed in one-time clamping process, the multi-parameter integrated detection mode effectively avoids errors caused by multiple times of fan blade clamping in a traditional detection method, and accuracy and reliability of a detection result are substantially improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cross-flow fan blade technical field especially relates to a cross-flow fan blade detection tool. BACKGROUND

[0002] In the production and manufacturing process of cross-flow fan blade, quality detection plays a decisive role in ensuring product performance, and the traditional cross-flow fan blade detection tool has significant defects, mainly relying on manual operation, for example, the detection personnel observe or check the blade whether there is a crack through naked eyes or with the help of simple tools, this way cannot accurately measure the fan blade diameter, and it is more difficult to accurately obtain the dynamic runout error of the fan blade rotation, which causes a large number of size deviation or runout abnormal defective products to flow into the subsequent production line, seriously affecting the overall performance of the equipment using the cross-flow fan blade, such as the stability of air conditioner air outlet, the uniformity of ventilation equipment air volume and the like.

[0003] Although some detection devices in the prior art have introduced sliding rods to assist positioning, servo motors to drive partial actions and other automatic components, the functional integration degree is seriously insufficient, these devices cannot detect multiple key parameters such as fan blade diameter and radial runout on the same equipment at the same time, the detection process needs to clamp the fan blade multiple times, which not only consumes time, but also easily introduces clamping errors, in addition, in the face of different specifications and sizes of fan blades, the existing tool has poor adaptive adjustment capability, and complex modification or replacement of a large number of parts of the equipment is often required, which greatly increases the production cost and detection period, therefore, the utility model provides a cross-flow fan blade detection tool. UTILITY MODEL CONTENT

[0004] In order to make up for the deficiencies of the prior art, the purpose of the utility model is to solve the problem that multiple key parameters such as fan blade diameter and radial runout cannot be detected on the same equipment at the same time by using a diameter detection mechanism and a range finder.

[0005] In order to solve the problems in the prior art, the technical scheme of the utility model is as follows: a cross-flow fan blade detection tool, including a detection base, a clamping plate is slidably connected to the top of the detection base, the inner cavity of the detection base drives the clamping plate to move through a clamping mechanism, for installing cross-flow fan blades of different lengths for detection, the outer wall of the clamping plate is fixedly connected with a rotary motor, the output shaft of the rotary motor is fixedly connected with a rotating plate through a shaft coupling, the inner side of the rotating plate is fixed with cross-flow fan blades of different diameters through a fixed assembly for detection, the top of the detection base is slidably connected with a moving box through a sliding rail plate, the inner cavity of the moving box drives a sensing plate to move through a diameter detection mechanism, for real-time feedback of the outer diameter data of the cross-flow fan blade, the top of the detection base is fixedly connected with an electric push rod, one end of the piston rod of the electric push rod is fixedly connected with one side of the moving box, the top of the detection base is fixedly connected with a range finder, for dynamically monitoring the radial runout of the cross-flow fan blade during rotation.

[0006] Preferably, the clamping mechanism comprises a bidirectional threaded rod, one end of the bidirectional threaded rod is rotatably connected with the inner wall of the detection base, the inner wall of the detection base is fixedly connected with a clamping motor, one end of the output shaft of the clamping motor is fixedly connected with the other end of the bidirectional threaded rod through a shaft coupling, and the outer wall of the bidirectional threaded rod is threadedly connected with a clamping block, the two sides of the clamping block are slidably connected with the inner wall of the detection base, the top of the clamping block is connected with the clamping plate through a driving assembly, and the driving assembly comprises a driving block, the bottom of the driving block is fixedly connected with the top of the clamping block, the top of the detection base is provided with a driving groove, the inner wall of the driving groove is slidably connected with the outer wall of the driving block, and the top of the driving block is fixedly connected with the bottom of the clamping plate, the bidirectional threaded rod can drive the two clamping blocks above to move synchronously towards each other or reversely, that is, the two clamping plates move synchronously towards each other or reversely, and the two clamping plates move towards each other to clamp the cross-flow fan blade with a short clamping length, and the two clamping plates move reversely to clamp the cross-flow fan blade with a long clamping length.

[0007] Preferably, the fixing assembly comprises a fixed plate, one side of the fixed plate is fixedly connected with a compression rod, the compression rod penetrates through the rotating plate and can slide relative to the rotating plate, a spring is sleeved on the outer wall of the compression rod, and the two ends of the spring are fixedly connected with the opposite sides of the fixed plate and the rotating plate, respectively, and the rotating plate has two rotating plates located on the two clamping plates, respectively, and one side of the rotating plate is directly connected with the rotating motor, and the other side of the rotating plate is directly rotatably connected with the clamping plate.

[0008] Preferably, the diameter detection mechanism comprises a rack, one side of the rack is slidably connected with the inner wall of the moving box, the bottom of the inner cavity of the moving box is fixedly connected with a diameter detection motor, one end of the output shaft of the diameter detection motor is fixedly connected with a gear through a shaft coupling, the gear is meshed with the rack, and the two ends of the rack are connected with a sensing plate through a sliding assembly, the sliding assembly comprises a sliding block, the bottom of the sliding block is fixedly connected with one side of the rack, the top of the moving box is provided with a sliding groove, the inner wall of the sliding groove is slidably connected with the outer wall of the sliding block, and the top of the sliding block is fixedly connected with the bottom of the sensing plate.

[0009] Compared with the prior art, the utility model has the advantages as follows:

[0010] The moving box slides along the sliding rail plate under the pushing of the electric push rod, the diameter detection mechanism starts to work, the sensing plate can monitor the outer diameter data of the cross-flow fan blade in real time, and the outer diameter data is converted into an electric signal, the range finder emits a laser beam and receives a reflected signal of the surface of the fan blade, the radial runout of the fan blade during rotation is dynamically monitored, and the fan blade runout error data is obtained, so that the diameter and runout of the cross-flow fan blade can be detected synchronously in one clamping process, the multi-parameter integrated detection method effectively avoids the error introduced by the multiple clamping of the fan blade in the traditional detection method, and the accuracy and reliability of the detection result are greatly improved.

[0011] The utility model discloses a clamping mechanism adjusts the spacing of clamping plate to adapt to the different length of fan blade, and the cross flow fan blade is placed on the rotary plate, and through the fixed assembly can adapt to the different diameter of fan blade, and ensure that the fan blade keeps stable in the rotation process, thereby making the tooling can quickly, flexibly adapt to different specifications size's cross flow fan blade, facing different model fan blade, need not complex equipment modification, only need simple adjustment measure to satisfy the detection demand, greatly reduce the equipment modification cost, promote the tooling versatility and use efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the structure schematic diagram of the whole first visual angle of the utility model;

[0013] Fig. 2 It is the structure schematic diagram of the whole second visual angle of the utility model;

[0014] Fig. 3 It is the structure schematic diagram of bidirectional screw rod of the utility model;

[0015] Fig. 4 It is the structure schematic diagram of rotary plate of the utility model;

[0016] Fig. 5 It is the structure schematic diagram of sensing plate of the utility model;

[0017] Fig. 6 It is the structure schematic diagram of mobile box of the utility model.

[0018] In the drawing mark: 1, detection baseplate;2, clamping plate;3, rotary motor;4, rotary plate;5, mobile box;6, sensing plate;7, electric push rod;8, range finder;9, bidirectional screw rod;10, clamping motor;11, clamping block;12, driving block;13, driving groove;14, fixed plate;15, compression rod;16, spring;17, rack;18, diameter detection motor;19, gear;20, sliding block;21, sliding groove. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments.

[0020] Please refer to Figs. 1-6The utility model provides a kind of cross-flow fan blade detection tool, including detection base 1, detection base 1 as the support and fixed structure of entire detection tool, ensure that all components can work stably, accurately, detection base 1 with all electrical elements in entire detection tool electrically connected, and be provided with control system, equipped with display screen, real-time display fan blade diameter, jump value determination result, convenient for operator to intuitively master detection condition, the top of detection base 1 is slidably connected with clamping plate 2, clamping plate 2 is used to hold and fix cross-flow fan blade, ensure that fan blade does not loosen or shift during detection process, the inner chamber of detection base 1 moves clamping plate 2 by clamping mechanism, for installing different length cross-flow fan blade to detect, the outer wall of clamping plate 2 is fixedly connected with rotating motor 3, rotating motor 3 is connected with external power supply and is three-phase asynchronous motor, provides power, drives rotating plate 4 rotation, to drive cross-flow fan blade rotation, the stability and precision of rotating motor 3 are crucial to the accuracy of detection result, one end of rotating motor 3 output shaft is fixedly connected with rotating plate 4 by coupling, rotating plate 4 is as the support and rotating platform of cross-flow fan blade, is connected with clamping plate 2 by fixed component, ensure that fan blade keeps stable during rotation, the inner side of rotating plate 4 is fixed with different diameter cross-flow fan blade by fixed component and detects, the top of detection base 1 is slidably connected with moving box 5 by slide rail plate, moving box 5 is as the carrier of diameter detection mechanism, moves along slide rail plate by the push of electric push rod 7, realizes the detection of different positions of cross-flow fan blade, the inner chamber of moving box 5 moves sensing plate 6 by diameter detection mechanism, for real-time feedback cross-flow fan blade outer diameter data, sensing plate 6 is contact sensor, is electrically connected with detection base 1, can real-time feedback the outer diameter information of fan blade, helps detection personnel to find potential problem in time, the top of detection base 1 is fixedly connected with electric push rod 7, electric push rod 7 is connected with external power supply, pushes moving box 5 along slide rail plate and slides, realizes the detection of different positions of cross-flow fan blade, the one end of electric push rod 7 piston rod is fixedly connected with one side of moving box 5, the top of detection base 1 is fixedly connected with range finder 8, for the radial runout condition of dynamic monitoring cross-flow fan blade when rotating, range finder 8 is infrared range finder 8, is electrically connected with detection base 1, by emitting laser beam and receiving fan blade surface reflection signal, dynamic monitoring radial runout condition when fan blade rotates, obtains fan blade runout error data, the spacing of clamping plate 2 is adjusted by clamping mechanism to adapt to different length fan blade, cross-flow fan blade is placed on rotating plate 4, and by fixed component can adapt to different diameter fan blade, and ensure that fan blade keeps stable during rotation, so that the tool can quickly, flexibly adapt to different specifications size cross-flow fan blade, face different model fan blade, need only simple adjustment measurement to meet the detection demand without complex equipment modification, greatly reduce equipment modification cost, improve tool universality and use efficiency.

[0021] Please refer to Figs. 1-3The clamping mechanism comprises a bidirectional threaded rod 9, one end of which is rotatably connected to the inner wall of the detection base 1, the inner wall of the detection base 1 is fixedly connected with a clamping motor 10, the clamping motor 10 is connected with an external power supply and is a three-phase asynchronous motor, one end of the output shaft of the clamping motor 10 is fixedly connected with one end of the bidirectional threaded rod 9 through a shaft coupling, and the outer wall of the bidirectional threaded rod 9 is threadedly connected with a clamping block 11, the two sides of the clamping block 11 are slidably connected with the inner wall of the detection base 1, the top of the clamping block 11 is connected with the clamping plate 2 through a driving assembly, the driving assembly connects the clamping block 11 and the clamping plate 2, and transmits the movement of the clamping mechanism to the clamping plate 2, so that the clamping plate 2 can accurately and stably clamp the fan blade, and the driving assembly comprises a driving block 12, the bottom of the driving block 12 is fixedly connected with the top of the clamping block 11, the top of the detection base 1 is provided with a driving groove 13, the inner wall of the driving groove 13 is slidably connected with the outer wall of the driving block 12, and the top of the driving block 12 is fixedly connected with the bottom of the clamping plate 2, the bidirectional threaded rod 9 can drive the two clamping blocks 11 above to move synchronously towards each other or reversely, that is, the two clamping plates 2 move synchronously towards each other or reversely, and the two clamping plates 2 move towards each other, that is, the cross-flow fan blade with short clamping length, and the two clamping plates 2 move reversely, that is, the cross-flow fan blade with long clamping length.

[0022] Please refer to Fig. 4 The fixing assembly comprises a fixed plate 14, one side of the fixed plate 14 is fixedly connected with a compression rod 15, the compression rod 15 penetrates through the rotating plate 4 and can slide relative to the rotating plate 4, a spring 16 is sleeved on the outer wall of the compression rod 15, and the two ends of the spring 16 are fixedly connected with the opposite sides of the fixed plate 14 and the rotating plate 4, respectively, the rotating plate 4 has two and is located on the two clamping plates 2, respectively, one side of the rotating plate 4 is directly connected with the rotating motor 3, and the other side of the rotating plate 4 is directly rotatably connected with the clamping plate 2, and the design of the fixing assembly ensures that the fan blade will not loosen or displace during rotation due to diameter difference.

[0023] Please refer to Figs. 5-6The diameter detection mechanism comprises a rack 17, one side of the rack 17 is in sliding connection with the inner wall of the moving box 5, the bottom of the inner cavity of the moving box 5 is fixedly connected with a diameter detection motor 18, the diameter detection motor 18 is connected with an external power supply and is a three-phase asynchronous motor, one end of the output shaft of the diameter detection motor 18 is fixedly connected with a gear 19 through a shaft coupling, the gear 19 is in meshing connection with the rack 17, and both ends of the rack 17 are connected with the sensing plate 6 through a sliding assembly, the sliding assembly comprises a sliding block 20, the bottom of the sliding block 20 is fixedly connected with one side of the rack 17, the top of the moving box 5 is provided with a sliding groove 21, the inner wall of the sliding groove 21 is in sliding connection with the outer wall of the sliding block 20, the top of the sliding block 20 is fixedly connected with the bottom of the sensing plate 6, the moving box 5 slides along the sliding rail plate under the pushing of the electric push rod 7, the diameter detection mechanism starts to work, the sensing plate 6 can monitor the outer diameter data of the cross-flow fan blade in real time and convert the outer diameter data into an electric signal, the range finder 8 emits a laser beam and receives a reflected signal of the fan blade surface, the diameter jump condition of the fan blade during rotation is dynamically monitored, the fan blade jump error data is obtained, so that the diameter and jump of the cross-flow fan blade can be detected synchronously in one clamping process, the multi-parameter integrated detection method effectively avoids the error introduced by the multiple clamping of the fan blade in the traditional detection method, and the accuracy and reliability of the detection result are greatly improved.

[0024] In use, according to the size of the cross-flow fan blade to be detected, the clamping mechanism is adjusted, the bidirectional threaded rod 9 is driven by the clamping motor 10 to drive the two clamping blocks 11 to move synchronously towards or reversely through threaded connection, so as to adjust the spacing of the clamping plate 2 to adapt to fan blades of different lengths, the cross-flow fan blade is placed on the rotating plate 4 and clamped by the fixing assembly (the fixing plate 14, the compression rod 15 and the spring 16), the fixing assembly provides elastic clamping force, can adapt to fan blades of different diameters, and ensures that the fan blade remains stable during rotation, according to detection requirements, the rotation speed of the rotating motor 3, the pushing speed of the electric push rod 7 and the monitoring range of the range finder 8 and other parameters are set, the rotating motor 3 starts to work, drives the rotating plate 4 to rotate through the shaft coupling, so as to drive the cross-flow fan blade to rotate, the stability and accuracy of the rotating motor 3 ensure the stability and accuracy of the fan blade during rotation, while the fan blade rotates, the moving box 5 slides along the slide rail plate under the pushing of the electric push rod 7, the diameter detection mechanism starts to work, the rack 17 in the diameter detection mechanism slides along the inner wall of the moving box 5 under the driving of the diameter detection motor 18, the gear 19 is engaged with the rack 17 to drive the sensing plate 6 to move to adapt to the diameter of the cross-flow fan blade to be detected, the sensing plate 6 can monitor the outer diameter data of the cross-flow fan blade in real time and convert it into an electrical signal, which is quickly transmitted to the control module to provide a reliable basis for subsequent data analysis and judgment, the range finder 8 emits a laser beam and receives the reflected signal on the surface of the fan blade to dynamically monitor the radial runout of the fan blade during rotation, obtains the runout error data of the fan blade, and during the detection process, all related data (such as the outer diameter data and the radial runout) are recorded, and the detection personnel can analyze these data to evaluate the quality and performance of the cross-flow fan blade.

[0025] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A cross-flow fan blade detection tool, comprising a detection base (1), characterized in that: The top of the detection base (1) is slidably connected with a clamping plate (2), the inner cavity of the detection base (1) drives the clamping plate (2) to move through a clamping mechanism, for installing different length of cross-flow fan blades to detect, the outer wall of the clamping plate (2) is fixedly connected with a rotary motor (3), the output shaft of the rotary motor (3) is fixedly connected with a rotating plate (4) through a shaft coupling, the inner side of the rotating plate (4) is fixed with different diameter cross-flow fan blades through a fixing assembly to detect, the top of the detection base (1) is slidably connected with a moving box (5) through a slide rail plate, the inner cavity of the moving box (5) drives a sensing plate (6) to move through a radial detection mechanism, for real-time feedback of the outer diameter data of the cross-flow fan blade, the top of the detection base (1) is fixedly connected with an electric push rod (7), the piston rod of the electric push rod (7) is fixedly connected with one side of the moving box (5), the top of the detection base (1) is fixedly connected with a distance measuring instrument (8), for dynamically monitoring the radial runout of the cross-flow fan blade when rotating.

2. The cross-flow impeller detection tool of claim 1, wherein: The clamping mechanism comprises a bidirectional threaded rod (9), one end of the bidirectional threaded rod (9) is rotatably connected with the inner wall of the detection base (1), the inner wall of the detection base (1) is fixedly connected with a clamping motor (10), one end of the output shaft of the clamping motor (10) is fixedly connected with one end of the bidirectional threaded rod (9) through a shaft coupling, and the outer wall of the bidirectional threaded rod (9) is threadedly connected with a clamping block (11), the two sides of the clamping block (11) are slidably connected with the inner wall of the detection base (1), and the top of the clamping block (11) is connected with the clamping plate (2) through a driving assembly.

3. The cross-flow impeller detection tool of claim 2, wherein: The driving assembly comprises a driving block (12), the bottom of the driving block (12) is fixedly connected with the top of the clamping block (11), the top of the detection base (1) is provided with a driving groove (13), the inner wall of the driving groove (13) is slidably connected with the outer wall of the driving block (12), and the top of the driving block (12) is fixedly connected with the bottom of the clamping plate (2).

4. The cross-flow impeller detection tool of claim 2, wherein: The bidirectional threaded rod (9) can drive the two clamping blocks (11) above to move synchronously towards or reversely, that is, the two clamping plates (2) move synchronously towards or reversely, the two clamping plates (2) move towards to clamp the cross-flow fan blade with short length, and the two clamping plates (2) move reversely to clamp the cross-flow fan blade with long length.

5. The cross-flow impeller detection tool of claim 1, wherein: The fixing assembly comprises a fixed plate (14), one side of the fixed plate (14) is fixedly connected with a compression rod (15), the compression rod (15) penetrates through the rotating plate (4) and can slide relative to the rotating plate (4), the outer wall of the compression rod (15) is sleeved with a spring (16), and the two ends of the spring (16) are fixedly connected with the opposite sides of the fixed plate (14) and the rotating plate (4) respectively.

6. The cross-flow impeller detection tool of claim 1, wherein: The rotating plate (4) has two rotating plates (4) respectively located on the two clamping plates (2), one side of the rotating plate (4) is directly connected with the rotary motor (3), and the other side of the rotating plate (4) is directly rotatably connected with the clamping plate (2).

7. The cross-flow impeller detection tool of claim 1, wherein: The diameter inspection mechanism comprises a rack (17), one side of the rack (17) is in sliding connection with the inner wall of the moving box (5), the bottom of the inner cavity of the moving box (5) is fixedly connected with a diameter inspection motor (18), one end of the output shaft of the diameter inspection motor (18) is fixedly connected with a gear (19) through a shaft coupling, the gear (19) is in meshing connection with the rack (17), and both ends of the rack (17) are connected with the sensing plate (6) through sliding assemblies.

8. The cross-flow impeller detection tool of claim 7, wherein: The sliding assembly comprises a sliding block (20), the bottom of the sliding block (20) is fixedly connected with one side of the rack (17), the top of the moving box (5) is provided with a sliding groove (21), the inner wall of the sliding groove (21) is in sliding connection with the outer wall of the sliding block (20), and the top of the sliding block (20) is fixedly connected with the bottom of the sensing plate (6).

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