A high-precision impeller camber runout measuring instrument

Abstract

The utility model discloses a high-precision impeller camber runout measuring instrument, comprising a bottom support frame and a data processing mechanism, the upper surface of the bottom support frame is fixedly connected to a bottom plate, the upper surface of the bottom plate is fixedly connected to a top support frame, the upper surface of the bottom plate is fixedly installed with a support frame, the bottom surface of the support frame is fixedly installed with a telescopic cylinder through a frame, the telescopic end of the telescopic cylinder is fixedly installed with a connecting seat, the top end of the connecting seat passes through the support frame and is fixedly connected with an auxiliary clamping mechanism, the output end of the auxiliary clamping mechanism is fixedly installed with a pressure head, and the output end of the positioning and rotating mechanism is transmission-connected with the positioning and rotating mechanism through a transmission mechanism. The high-precision impeller camber runout measuring instrument has high measurement accuracy and good stability, and can achieve the purpose of fast, efficient and low-cost detection of the impeller camber runout relative to the axis center, and can solve the problems of low efficiency, failure to meet the production detection rhythm, and high cost.

Description

Technical Field

[0001] The utility model relates to the field of automobile parts measurement, in particular to a high-precision impeller camber runout measuring instrument. Background Art

[0002] Among the components of automotive turbochargers, the rotating impeller is the core part. This part needs to rotate at high speed, so it has extremely high requirements for dimensional control, especially the runout of the arc surface relative to the center of the shaft, which is the key controlled dimension and directly affects the stability and life of the product during high-speed rotation. This part is made of aluminum and the surface quality control is also relatively strict. Conventional measuring tools cannot achieve effective detection. Currently, CMM scanning detection is mainly used. Although this detection method can effectively detect, it is very inefficient and cannot meet the production detection rhythm. In addition, the cost is high. For this reason, we propose a high-precision impeller arc surface runout measuring instrument to solve the above problems. Utility Model Content

[0003] The utility model aims to provide a high-precision impeller camber runout measuring instrument to solve the problems raised in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A high-precision impeller camber runout measuring instrument comprises a bottom support frame and a data processing mechanism, the upper surface of the bottom support frame is fixedly connected to a bottom plate, the upper surface of the bottom plate is fixedly connected to a top support frame, the upper surface of the bottom plate is fixedly installed with a support frame, the bottom surface of the support frame is fixedly installed with a telescopic cylinder through a frame, the telescopic end of the telescopic cylinder is fixedly installed with a connecting seat, the top end of the connecting seat passes through the support frame and is fixedly connected with an auxiliary clamping mechanism, the output end of the auxiliary clamping mechanism is fixedly installed with a pressure head, the upper surface of the support frame is respectively fixedly installed with a synchronous motor and a positioning and rotating mechanism, the output end of the positioning and rotating mechanism is transmission-connected with the positioning and rotating mechanism through a transmission mechanism, the positioning and rotating mechanism comprises a rotating shaft, one end of the rotating shaft is installed with a tapered positioning mandrel, the outer surface of the tapered positioning mandrel is sleeved with an impeller, and the outer surface of the auxiliary clamping mechanism is installed with a measuring mechanism.

[0006] In a further embodiment, a computer stand panel is fixedly mounted on the upper surface of the base plate, a display screen is mounted on the front of the computer stand panel through a connector, the data processing mechanism includes an industrial computer, an electrical channel box, an air channel box and a PLC pad, a plurality of heat dissipation ports are provided on the outer surface of the bottom support frame, and a three-color lamp is fixedly mounted on the inner top wall of the top support frame.

[0007] In a further embodiment, a plurality of fans are arranged on the back of the bottom support frame, a plexiglass door is hingedly connected to the back of the top support frame via a hinge, and a square handle is arranged on the front of the plexiglass door.

[0008] In a further embodiment, a plurality of base connecting plates are fixedly mounted on the bottom surface of the bottom support frame, a movable wheel is fixedly mounted on the bottom surface of each of the base connecting plates, a plurality of door panels are hingedly connected to the front surface of the bottom support frame through hinges, and a rotary lock is provided on the front surface of each of the door panels.

[0009] In a further embodiment, a plurality of calibration component brackets are fixedly mounted on the front side of the bottom support frame, a button box is mounted on the upper surface of each of the calibration component brackets, and a three-hole operating button is disposed on the outer surface of each of the button boxes.

[0010] In a further embodiment, a guide rail is fixedly mounted on the upper surface of the support frame, the outer surface of the guide rail is fixedly connected to the bottom surface of the auxiliary clamping mechanism via a slider, and a through opening adapted to the connecting seat is opened on the upper surface of the support frame.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. High measurement accuracy: Using high-precision Mahr contact linear displacement sensor, measurement resolution rate: 0.001mm, measurement accuracy error ≤ 0.003mm.

[0013] 2. Good stability: Under the condition of temperature change of ±2℃ / hour, the instrument accuracy can measure 0.003mm within 4 hours; GR&R≤10%

[0014] 3. Good compatibility: The taper positioning mandrel can be replaced to achieve high-precision measurement of different models of the same product. The product changeover is simple and efficient, which greatly improves the detection efficiency and reduces the quality cost.

[0015] 4. The measurement software is powerful: according to the product measurement requirements, combined with the SPC quality management system, it provides a basis for actual production process control.

[0016] 5. Simple operation and maintenance: The operator can achieve standardized operation according to the operating instructions or simple on-site training. The equipment has taken dust-proof and anti-collision measures based on ergonomics, which reduces the cost of use and maintenance and achieves the purpose of fast, efficient and low-cost detection of the impeller arc surface relative to the shaft center runout. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view stereoscopic schematic diagram of a high-precision impeller camber runout measuring instrument.

[0018] Figure 2This is a schematic diagram of the front section of the high-precision impeller camber runout measuring instrument.

[0019] Figure 3 This is a rear view schematic diagram of the high-precision impeller camber runout measuring instrument.

[0020] Figure 4 This is a front view of the support frame in the high-precision impeller camber runout measuring instrument.

[0021] Figure 5 It is a three-dimensional schematic diagram of the measuring mechanism in the high-precision impeller camber runout measuring instrument.

[0022] Figure 6 This is a top-down view of the support frame in the high-precision impeller camber runout measuring instrument.

[0023] Figure 7 This is the rear view of the support frame in the high-precision impeller camber runout measuring instrument.

[0024] In the figure: 1. bottom support frame; 2. bottom plate; 3. top support frame; 4. computer bracket panel; 5. display screen; 6. three-color light; 7. three-hole operation button; 8. industrial computer; 9. electric channel box; 10. air channel box; 11. PLC pad; 12. foot connecting plate; 13. moving wheel; 14. door panel; 15. rotating lock; 16. calibration part bracket; 17. button box; 18. support frame; 19. fan; 20. plexiglass door; 21. measuring mechanism; 22. auxiliary clamping mechanism; 23. pressure head; 24. positioning and rotating mechanism; 25. synchronous motor; 26. rotating shaft; 27. impeller; 28. transmission mechanism; 29. ​​taper positioning mandrel; 30. telescopic cylinder; 31. connecting seat; 32. guide rail. DETAILED DESCRIPTION

[0025] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-7 In the utility model, a high-precision impeller camber runout measuring instrument comprises a bottom support frame 1 and a data processing mechanism. The upper surface of the bottom support frame 1 is fixedly connected with a bottom plate 2, the upper surface of the bottom plate 2 is fixedly connected with a top support frame 3, the upper surface of the bottom plate 2 is fixedly installed with a support frame 18, the bottom surface of the support frame 18 is fixedly installed with a telescopic cylinder 30 through a frame, the telescopic end of the telescopic cylinder 30 is fixedly installed with a connecting seat 31, the top end of the connecting seat 31 passes through the support frame 18 and is fixedly connected with an auxiliary clamping mechanism 22, the output end of the auxiliary clamping mechanism 22 is fixedly installed with a pressure head 23, the upper surface of the support frame 18 is respectively fixedly installed with a synchronous motor 25 and a positioning and rotating mechanism 24, the output end of the positioning and rotating mechanism 24 is connected to the positioning and rotating mechanism 24 through a transmission mechanism 28 Transmission connection, the positioning rotation mechanism 24 includes a rotating shaft 26, one end of the rotating shaft 26 is installed with a tapered positioning spindle 29, the outer surface of the tapered positioning spindle 29 is sleeved with an impeller 27, and the outer surface of the auxiliary clamping mechanism 22 is installed with a measuring mechanism 21, wherein the measuring mechanism 21 can adopt a high-precision Mahr contact linear displacement sensor, the measurement resolution rate: 0.001mm, the measurement accuracy error ≤0.003mm, the error is small, the measurement accuracy is high, the tapered positioning spindle 29 is detachable, so that it is suitable for more parts. The data processing mechanism and the industrial computer 8 can be used according to the product measurement requirements, combined with the SPC quality management system, to provide a basis for the actual production process control, the bottom support frame 1 and the top support frame 3 are made of aluminum profiles.

[0029] A computer support panel 4 is fixedly installed on the upper surface of the base plate 2, and a display screen 5 is installed on the front of the computer support panel 4 through a connector. The data processing mechanism includes an industrial computer 8, an electric channel box 9, an air channel box 10 and a PLC pad 11. A plurality of heat dissipation ports are provided on the outer surface of the bottom support frame 1, and a three-color lamp 6 is fixedly installed on the inner top wall of the top support frame 3. The electric channel box 9, the air channel box 10 and the PLC pad 11 can be used to install relevant control electrical components, and it is convenient to connect various power supplies and air sources, so that it is convenient for workers to use. A plurality of fans 19 are arranged on the back of the bottom support frame 1, and a plexiglass door 20 is hinged on the back of the top support frame 3 through a hinge, and a square handle is arranged on the front of the plexiglass door 20. The plexiglass door 20 is arranged to facilitate observation during measurement, and the fan 19 can provide better heat dissipation effect for the equipment.

[0030] A plurality of foot connection plates 12 are fixedly installed on the bottom surface of the bottom support frame 1, and a moving wheel 13 is fixedly installed on the bottom surface of each foot connection plate 12. A plurality of door panels 14 are hingedly connected to the front of the bottom support frame 1 through hinges, and a rotating lock 15 is arranged on the front of each door panel 14, so that the staff can open the door panel 14 and install accessories on the bottom support frame 1. The foot connection plates 12 are arranged to make the equipment more stable during use. A plurality of calibration brackets 16 are fixedly installed on the front surface of the bottom support frame 1, and the upper surface of each calibration bracket 16 is A button box 17 is installed on each surface, and a three-hole operating button 7 is provided on the outer surface of each button box 17, which facilitates the operation of the equipment and makes the operation simpler during measurement. A guide rail 32 is fixedly installed on the upper surface of the support frame 18, and the outer surface of the guide rail 32 is fixedly connected to the bottom surface of the auxiliary clamping mechanism 22 through a slider. A through hole adapted to the connecting seat 31 is opened on the upper surface of the support frame 18. When the position of the auxiliary clamping mechanism 22 is adjusted, the air slides on the guide rail 32 to improve the stability of the movement and prevent deviation.

[0031] The working principle of the utility model is:

[0032] Before use, place the device on a stable place, connect the relevant power supply and relevant air source, first install the tapered positioning mandrel 29 that is compatible with the impeller 27 on the tapered positioning mandrel 29, after putting the impeller 27 into the tapered positioning mandrel 29, use the auxiliary clamping mechanism 22 and the pressure head 23 to move so that it clamps the impeller 27, and then move the measuring mechanism 21 to the measuring arc position, then the positioning rotation mechanism 24 is driven by the synchronous motor 25 to start rotating the shaft 26, and then the cross-sectional runout of the arc position of the impeller 27 can be measured, and then the data processing system and the industrial computer 8 receive the measurement data and store and analyze them, and the measurement results can be displayed on the display screen 5, which is convenient for observing the measurement results.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0034] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A high-precision impeller camber runout measuring instrument, characterized in that: The invention comprises a bottom support frame (1) and a data processing mechanism, wherein the upper surface of the bottom support frame (1) is fixedly connected to a bottom plate (2), the upper surface of the bottom plate (2) is fixedly connected to a top support frame (3), the upper surface of the bottom plate (2) is fixedly mounted with a support frame (18), the bottom surface of the support frame (18) is fixedly mounted with a telescopic cylinder (30) through a frame, the telescopic end of the telescopic cylinder (30) is fixedly mounted with a connecting seat (31), the top end of the connecting seat (31) passes through the support frame (18) and is fixedly connected to an auxiliary pressing mechanism (22), the output end of the auxiliary pressing mechanism (22) is fixedly mounted with a connecting seat (31), the top end of the connecting seat (31) passes through the supporting frame (18) and is fixedly connected to an auxiliary pressing mechanism (22), the output end of the auxiliary pressing mechanism (22) is fixedly mounted with a connecting seat (31) and a connecting seat (31 ... A pressure head (23) is fixedly mounted at the output end, a synchronous motor (25) and a positioning rotating mechanism (24) are fixedly mounted on the upper surface of the support frame (18), the output end of the positioning rotating mechanism (24) is transmission-connected to the positioning rotating mechanism (24) via a transmission mechanism (28), the positioning rotating mechanism (24) comprises a rotating shaft (26), one end of the rotating shaft (26) is mounted with a tapered positioning mandrel (29), the outer surface of the tapered positioning mandrel (29) is sleeved with an impeller (27), and the outer surface of the auxiliary clamping mechanism (22) is mounted with a measuring mechanism (21).

2. A high-precision impeller camber runout measuring instrument according to claim 1, characterized in that: A computer support panel (4) is fixedly mounted on the upper surface of the bottom plate (2); a display screen (5) is mounted on the front of the computer support panel (4) via a connector; the data processing mechanism comprises an industrial computer (8), an electric channel box (9), an air channel box (10) and a PLC pad (11); a plurality of heat dissipation openings are provided on the outer surface of the bottom support frame (1); and a three-color lamp (6) is fixedly mounted on the inner top wall of the top support frame (3).

3. A high-precision impeller camber runout measuring instrument according to claim 1, characterized in that: A plurality of fans (19) are arranged on the back of the bottom support frame (1), a plexiglass door (20) is hingedly connected to the back of the top support frame (3) via a hinge, and a square handle is arranged on the front of the plexiglass door (20).

4. The high-precision impeller camber runout measuring instrument according to claim 1, characterized in that: A plurality of foot connection plates (12) are fixedly mounted on the bottom surface of the bottom support frame (1), a moving wheel (13) is fixedly mounted on the bottom surface of each foot connection plate (12), a plurality of door panels (14) are hingedly connected to the front surface of the bottom support frame (1) via hinges, and a rotary lock (15) is arranged on the front surface of each door panel (14).

5. The high-precision impeller camber runout measuring instrument according to claim 1 is characterized in that: A plurality of calibration component brackets (16) are fixedly mounted on the front side of the bottom support frame (1), a button box (17) is mounted on the upper surface of each calibration component bracket (16), and a three-hole operating button (7) is disposed on the outer surface of each button box (17).

6. The high-precision impeller camber runout measuring instrument according to claim 1, characterized in that: A guide rail (32) is fixedly mounted on the upper surface of the support frame (18), the outer surface of the guide rail (32) is fixedly connected to the bottom surface of the auxiliary clamping mechanism (22) via a slider, and a through opening matched with the connecting seat (31) is opened on the upper surface of the support frame (18).

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