Flaw detector for detecting back disc of impeller

Abstract

The utility model relates to the technical field of impeller detection, in particular to a flaw detector for detecting an impeller back disc, which comprises a base, a driving mechanism is arranged on the upper surface of the base and comprises a servo motor, and the lower surface of the servo motor is fixedly connected with the upper surface of the base. The upper surface of the servo motor is fixedly connected with a speed reducer, the inner surface of the base is fixedly connected with a fixing sleeve, the upper surface of the fixing sleeve is fixedly connected with an upper stand column, and the upper surface of the upper stand column is fixedly connected with a cover plate. Through the arrangement of the speed reducer, the servo motor, the upper stand column, the outer rotating pipe sleeve, the mechanical arm body and the eddy current scanner body, the speed reducer is matched with the outer rotating pipe sleeve, so that the outer rotating pipe sleeve can drive impellers to rotate, and therefore batch impellers are driven to rotate; after batch impellers are detected through the eddy current scanner body, unqualified impellers are grabbed through the manipulator body.

Description

TECHNICAL FIELD

[0001] The utility model relates to impeller detection technical field, concretely to a flaw detector for detecting impeller back disc. BACKGROUND

[0002] Impeller is the important structural component of the punch water pump, and the water pump impeller is made of cast iron, and the blade on the water pump impeller plays a major role, and the shape and size of the water pump impeller are closely related to the water pump performance, and are the main influencing factors of working efficiency, so the quality of the water pump impeller is particularly important, and the detection of the water pump impeller is also an essential process, therefore, the impeller needs to be strictly detected in strength and size during production.

[0003] Through the search, the authorized announcement number of China is CN 221860388 U discloses a punch water pump blade gauge, and relates to the water pump technical field, and the scheme is that the top of the detection machine table is provided with a flaw detector body and a clamping structure, the clamping structure includes a mounting frame, the back side of the mounting frame is fixedly provided with a driving motor, and a driving cavity is formed in the mounting frame; the punch water pump blade gauge is provided with the clamping structure, the driving motor drives the guide groove to drive the guide pin to offset the position of the clamping arc plate through the rotating disc, so that the three groups of clamping arc plates can clamp and fix the water pump impellers of different sizes and specifications, the applicability of the gauge is increased, the problem that the position of the water pump impeller body is touched and moved when the flaw detector body detects the water pump impeller body, and the water pump impeller may shake to cause the data detected by the flaw detector to deviate greatly is solved, and the product qualification rate of the punch water pump blade is improved.

[0004] But since the impeller is produced in batches, the existing detection method is to detect the impeller separately, and when detecting the batch impellers, the detection efficiency is slow, therefore, we provide a flaw detector for detecting impeller back disc. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a flaw detector for detecting impeller back disc, which solves the problem of low efficiency when batch impellers need to be detected.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The utility model provides a kind of flaw detector for detecting impeller back disc, including base, the upper surface of the base is provided with driving mechanism, the driving mechanism includes servo motor, the lower surface of the servo motor is fixedly connected with the upper surface of base, the upper surface of the servo motor is fixedly connected with speed reducer, the inner surface of the base is fixedly connected with fixed sleeve, the upper surface of the fixed sleeve is fixedly connected with upper stand, the upper surface of the upper stand is fixedly connected with cover plate, the inner surface of the fixed sleeve is fixedly connected with bearing one, the upper surface of the bearing one is rotatably connected with outer rotating tube sleeve, the inner surface of the outer rotating tube sleeve is fixedly connected with bearing two, the upper surface of the bearing two is fixedly connected with connecting plate.

[0008] Preferably, the upper surface of the cover plate is fixedly connected with an eddy current scanner body, and the upper surface of the cover plate is fixedly connected with a mechanical hand body.

[0009] Preferably, the outer arc surface of the outer rotating tube sleeve is fixedly connected with an arc plate, and the outer arc surface of the arc plate is in contact with the output shaft of the speed reducer.

[0010] Preferably, the upper surface of the outer rotating tube sleeve is provided with a placing mechanism, the placing mechanism includes a clamping plate, the lower surface of the clamping plate is fixedly connected with the upper surface of the outer rotating tube sleeve, the lower surface of the clamping plate penetrates through a limiting rod and is slidably connected with the limiting rod, the lower surface of the limiting rod is slidably connected with a sliding ring, the upper surface of the clamping plate is slidably connected with a special mold in a circumferential array, and the limiting rod penetrates through the special mold and is slidably connected with the special mold.

[0011] Preferably, the upper surface of the special mold is provided with a placing hole in a linear array, and the upper surface of the special mold is provided with an unqualified rejection groove.

[0012] Preferably, the lower surface of the sliding ring is provided with a clamping groove in a circumferential array, and the lower surface of the clamping plate is provided with an L-shaped limiting plate in a circumferential array.

[0013] Preferably, the width of the L-shaped limiting plate is the same as the width of the clamping groove, and the L-shaped limiting plate is in contact with the sliding ring.

[0014] Through the above technical solution, the utility model provides a kind of flaw detector for detecting impeller back disc. At least have the following beneficial effects:

[0015] (1), the utility model discloses a speed reducer, servo motor, upper stand, outer rotating tube sleeve, mechanical hand body and eddy current scanner body are set up, and the outer rotating sleeve pipe is driven to rotate impeller by speed reducer cooperation, so as to drive batch impeller to rotate, after batch impeller is detected by eddy current scanner body, unqualified impeller is grabbed by mechanical hand body.

[0016] (2), the utility model discloses a special mould, limiting rod, clamping plate and L shape limit board are set up, and the special mould is positioned to special mould through limiting rod, makes the special mould when rotating through speed reducer, will not drop due to centrifugal force, and the special mould can be replaced conveniently according to different model impeller. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings, which are included to provide a further understanding of the present application and are incorporated in and constitute a part of this application, illustrate embodiments of the present application and serve to explain the principles of the present application.

[0018] Figure 1 It is whole structure schematic diagram of the utility model;

[0019] Figure 2 It is whole sectional structure schematic diagram of the utility model;

[0020] Figure 3 It is the utility model's Figure 2 A part structure enlarged schematic diagram of the utility model;

[0021] Figure 4 It is the utility model's sliding ring whole structure schematic diagram;

[0022] Figure 5 It is the utility model's cover plate overhead structure schematic diagram.

[0023] In the drawing: 1, base;2, drive mechanism;21, servo motor;22, speed reducer;23, fixed sleeve;24, upper stand;25, cover plate;26, bearing one;27, outer rotating pipe sleeve;28, bearing two;29, connecting plate;210, eddy current scanner body;211, manipulator body;212, arc plate;3, placing mechanism;31, clamping plate;32, limiting rod;33, sliding ring;34, special mould;35, placing hole;36, unqualified rejection groove;37, clamping groove;38, L-shaped limit plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0025] Embodiment one

[0026] Please refer to Figures 1-5The utility model provides a kind of flaw detector for detecting impeller back disc, including base 1, the upper surface of base 1 is provided with driving mechanism 2, driving mechanism 2 includes servo motor 21, the lower surface of servo motor 21 is fixedly connected with the upper surface of base 1, the upper surface of servo motor 21 is fixedly connected with speed reducer 22, the rotating speed of servo motor 21 is reduced by speed reducer 22 cooperation servo motor 21, prevent servo motor 21 from rotating too fast, the inner surface of base 1 is fixedly connected with fixed sleeve tube 23, the upper surface of fixed sleeve tube 23 is fixedly connected with upper stand 24, the upper surface of upper stand 24 is fixedly connected with cover plate 25, cover plate 25 is fixed on upper stand 24 by bolt, the inner surface of fixed sleeve tube 23 is fixedly connected with bearing one 26, the upper surface of bearing one 26 is rotatably connected with outer rotating tube sleeve 27, the inner surface of outer rotating tube sleeve 27 is fixedly connected with bearing two 28, the upper surface of bearing two 28 is fixedly connected with connecting plate 29, the upper surface of cover plate 25 is fixedly connected with eddy current scanner body 210, batch detection can be carried out to the back disc of impeller by eddy current scanner body 210, the upper surface of cover plate 25 is fixedly connected with mechanical hand body 211, mechanical hand body 211 is formed by support table, two groups of hydraulic press and mechanical claw, by this setting, can be grabbed and placed in specified position by impeller, the outer arc surface of outer rotating tube sleeve 27 is fixedly connected with arc plate 212, the outer arc surface of arc plate 212 is in contact with the output shaft of speed reducer 22, the cooperation of arc plate 212 and speed reducer 22 output shaft can drive arc plate 212 to rotate by speed reducer 22, arc plate 212 can drive outer rotating tube sleeve 27 to rotate.

[0027] In the embodiment, by setting the speed reducer 22, servo motor 21, upper stand 24, outer rotating tube sleeve 27, mechanical hand body 211 and eddy current scanner body 210, the outer rotating tube sleeve 27 can drive the impeller to rotate by speed reducer 22 cooperation outer rotating tube sleeve 27, so as to drive batch impeller to rotate, after batch impeller is detected by eddy current scanner body 210, unqualified impeller is grabbed by mechanical hand body 211.

[0028] Embodiment two

[0029] Please refer to Figures 1-5The upper surface of the outer rotating sleeve 27 is provided with a placing mechanism 3, the placing mechanism 3 comprises a clamping plate 31, the lower surface of the clamping plate 31 is fixedly connected with the upper surface of the outer rotating sleeve 27, the lower surface of the clamping plate 31 penetrates through a limiting rod 32 and is slidably connected with the limiting rod 32, the lower surface of the limiting rod 32 is slidably connected with a sliding ring 33, the upper surface of the clamping plate 31 is slidably connected with a special mold 34 in a circumferential array, the limiting rod 32 penetrates through the special mold 34 and is slidably connected with the special mold 34, the upper surface of the special mold 34 is provided with a placing hole 35 in a linear array, through the placing hole 35 provided on the special mold 34, a batch of impellers can be placed in the placing hole 35, so that the function of limiting the impeller is realized, the upper surface of the special mold 34 is provided with an unqualified rejection groove 36, through the unqualified rejection groove 36 provided on the special mold 34, the unqualified impeller can be placed in the unqualified rejection groove 36, so that the detection efficiency of the impeller is higher, the lower surface of the sliding ring 33 is provided with a clamping groove 37 in a circumferential array, the lower surface of the clamping plate 31 is provided with an L-shaped limiting plate 38 in a circumferential array, through rotating the sliding ring 33, the L-shaped limiting plate 38 can limit the sliding ring 33, through the L-shaped limiting plate 38, the sliding ring 33 is dragged, so that the limiting rod 32 is always clamped in the special mold 34, so that the special mold 34 remains stable, the width of the L-shaped limiting plate 38 is the same as the width of the clamping groove 37, the L-shaped limiting plate 38 is in contact with the sliding ring 33, and through a plurality of L-shaped limiting plates 38, the sliding ring 33 is limited at multiple angles, so that the stability of the special mold 34 is further ensured.

[0030] In the embodiment, through the special mold 34, the limiting rod 32, the clamping plate 31 and the L-shaped limiting plate 38, the special mold 34 is limited by the limiting rod 32, so that the special mold 34 will not fall due to centrifugal force when rotating through the speed reducer 22, and the special mold 34 can be conveniently replaced according to different types of impellers.

[0031] The working principle is that when batch impellers need to be detected, the slide ring 33 is pulled downward, the limiting rod 32 is driven by the slide ring 33 to disengage from the special mold 34, the special mold 34 is pulled out from between the clamping plate 31 and the cover plate 25, the impeller is placed in the placing hole 35 of the special mold 34, the special mold 34 is re-clamped between the cover plate 25 and the clamping plate 31, the slide ring 33 is pushed upward, the slide ring 33 drives the limiting rod 32 to insert into the special mold 34, the slide ring 33 is rotated, the L-shaped limiting plate 38 is not in the same horizontal plane with the clamping groove 37, the L-shaped limiting plate 38 drags the slide ring 33, the servo motor 21 is started, the output shaft of the speed reducer 22 is rotated under the driving of the servo motor 21, the outer rotating tube sleeve 27 is rotated through the arc-shaped plate 212, the outer rotating tube sleeve 27 is connected with the bearing one 26 and the bearing two 28, the clamping plate 31 and the special mold 34 are rotated, and the back of the impeller is detected through the eddy current scanner body 210, the mechanical hand body 211 places the unqualified impeller in the unqualified rejection groove 36, and the batch impeller detection efficiency is improved.

[0032] It should be noted that the relative terms such as first and second, and the like are used herein solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0033] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A flaw detector for detecting a back shroud of an impeller, comprising a base (1), characterized in that: The upper surface of the base (1) is provided with a driving mechanism (2), the driving mechanism (2) comprises a servo motor (21), the lower surface of the servo motor (21) is fixedly connected with the upper surface of the base (1), the upper surface of the servo motor (21) is fixedly connected with a speed reducer (22), the inner surface of the base (1) is fixedly connected with a fixed sleeve (23), the upper surface of the fixed sleeve (23) is fixedly connected with an upper stand column (24), the upper surface of the upper stand column (24) is fixedly connected with a cover plate (25), the inner surface of the fixed sleeve (23) is fixedly connected with a bearing one (26), the upper surface of the bearing one (26) is rotatably connected with an outer rotating tube sleeve (27), the inner surface of the outer rotating tube sleeve (27) is fixedly connected with a bearing two (28), the upper surface of the bearing two (28) is fixedly connected with a connecting plate (29).

2. The flaw detector for detecting the backshroud of an impeller according to claim 1, wherein: The upper surface of the cover plate (25) is fixedly connected with an eddy current scanner body (210), and the upper surface of the cover plate (25) is fixedly connected with a mechanical hand body (211).

3. The flaw detector for detecting the backshroud of an impeller according to claim 2, wherein: The outer arc surface of the outer rotating tube sleeve (27) is fixedly connected with an arc plate (212), and the outer arc surface of the arc plate (212) is in contact with the output shaft of the speed reducer (22).

4. The flaw detector of claim 3, wherein: The upper surface of the outer rotating tube sleeve (27) is provided with a placing mechanism (3), the placing mechanism (3) comprises a clamping plate (31), the lower surface of the clamping plate (31) is fixedly connected with the upper surface of the outer rotating tube sleeve (27), the lower surface of the clamping plate (31) penetrates through a limiting rod (32) and is slidably connected with the limiting rod (32), the lower surface of the limiting rod (32) is slidably connected with a sliding ring (33), the upper surface of the clamping plate (31) is slidably connected with a special mold (34) in a circumferential array, and the limiting rod (32) penetrates through the special mold (34) and is slidably connected with the special mold (34).

5. The flaw detector of claim 4, wherein: The upper surface of the special mold (34) is linearly and arrayedly provided with a placing hole (35), and the upper surface of the special mold (34) is provided with an unqualified rejection groove (36).

6. The flaw detector of claim 5, wherein: The lower surface of the sliding ring (33) is circumferentially and arrayedly provided with a clamping groove (37), and the lower surface of the clamping plate (31) is circumferentially and arrayedly provided with an L-shaped limiting plate (38).

7. The flaw detector of claim 6, wherein: The width of the L-shaped limiting plate (38) is same as the width of the clamping groove (37), and the L-shaped limiting plate (38) is in contact with the sliding ring (33).

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