Flywheel signal tooth detector

Abstract

The utility model discloses a flywheel signal tooth detection machine, which relates to the technical field of on-line automatic detection and comprises a frame, a pressing mechanism, a positioning mechanism and a detection mechanism. The frame comprises a lower frame and an upper frame; the pressing mechanism is fixedly installed on the lower frame and comprises a pressing air cylinder and a pressing head. The positioning mechanism is located under the pressing head and installed on the lower frame. The positioning mechanism comprises a tensioning clamp and an elastic positioning pin. The detection mechanism is installed on the lower frame and located on the side face of the positioning mechanism, the detection mechanism comprises correlation sensors and a lifting sliding table, the multiple sets of correlation sensors are used, the upper portion, the middle portion and the lower portion of the teeth are measured respectively, the size of burrs can be detected according to measurement results of the sensors, and the straight edge straightness of the signal teeth can be controlled.

Description

TECHNICAL FIELD

[0001] The utility model relates to online automatic detection technical field, concretely is a flywheel signal tooth detection machine. BACKGROUND

[0002] In modern industrial manufacturing, signal tooth application occasions are more and more, especially in automobile and automation equipment, are widely used in engine timing ignition and position sensing etc., since signal tooth influences position precision and ignition time, thereby influence emission index, so along with the emission requirement of strictness, the division precision (angle precision and position degree precision) of relevant signal tooth also is higher and higher. The precision of using existing general mechanical gauge is influenced by manufacturing precision and various matching clearances, and the cost under the precision promotion is higher. At the same time, using existing mechanical gauge often detects manually, difficult to carry out 100% full detection to dozens of teeth, and the efficiency is low and easy to miss and mistake. Use three coordinates etc. Gauge, and the detection time is long, and the cost is higher. And, since signal tooth precision is high, often adopts cutting, stamping, milling etc., is easy to produce burr in signal tooth edge, influences signal tooth sensor signal precision, once produces, since the number of teeth is too much, subsequent detection is difficult to identify and eliminate.

[0003] To avoid these problems, often need to greatly improve the equipment, tool precision and comprehensive process capability in production process, and invest better equipment, more precise tooling etc., once invests resource, and the risk is high, and it is difficult to avoid the unqualified product mixing due to debugging and error parameters.

[0004] In view of the deficiency of prior art, the utility model aims at providing an automatic detection machine with automatic online signal tooth detection. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a flywheel signal tooth detection machine to solve the problems in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a flywheel signal tooth detection machine, including frame, pressing mechanism, positioning mechanism and detection mechanism;

[0007] The frame includes lower frame and upper frame, and the upper frame is fixedly installed on the lower frame.

[0008] The pressing mechanism is fixedly installed on the lower frame, and the pressing mechanism includes a pressing cylinder and a pressing head, and the pressing head is fixedly installed at the end of the output shaft of the pressing cylinder.

[0009] The positioning mechanism is located directly below the pressing head and is installed on the lower frame, and the positioning mechanism includes a tension clamp and an elastic positioning pin, and the tension clamp is used for fixedly installed on the flywheel.

[0010] The detection mechanism is installed on the lower frame and located at the side of the positioning mechanism, and the detection mechanism comprises a pair of photoelectric sensors and a lifting slide, the pair of photoelectric sensors are arranged on the lifting slide and can be driven to move up and down by the lifting slide.

[0011] Preferably, the upper frame is provided with a display panel.

[0012] Preferably, the pressing cylinder is fixedly installed on the support frame, and the support frame is fixedly installed on the lower frame.

[0013] Preferably, the tension clamp is installed on the wear-resistant pad through an elastic positioning pin, the wear-resistant pad is fixedly installed on a bearing seat, the bearing seat is installed on a mounting frame, the mounting frame is installed on the lower frame, the tension clamp is internally provided with a main shaft, the tension clamp generates expansion and contraction changes when moving up and down on the main shaft, and the bearing seat is provided with an optical encoder below.

[0014] Preferably, the bottom of the mounting frame is provided with a cylinder, the output shaft of the cylinder passes through a synchronous belt wheel set, the top of the synchronous belt wheel set is connected to the bearing seat and the side surface of the synchronous belt wheel set is connected to the output shaft of a rotary motor, the rotary motor is installed in the lower frame, the main shaft is connected to the main shaft, and the synchronous belt wheel set is provided with an optical encoder below.

[0015] Preferably, the pair of photoelectric sensors are provided in multiple groups and are fixedly installed in a sensor support, the sensor support is installed on the sliding block of the lifting slide, the sliding block of the lifting slide is connected to the output shaft of a detection cylinder, and the lifting slide is connected to the transverse slide through a connecting plate.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. The utility model uses multiple groups of the pair of photoelectric sensors, measures the upper, middle and lower of the tooth respectively, detects the burr size according to the measurement result of the sensor, and controls the straightness of the straight edge of the signal tooth.

[0018] 2. The utility model can program the measurement and display of the related specific tooth projects, can adapt to the automatic detection and screening of the projects such as the circumferential tooth angle, position degree and burr of similar products, has the characteristics of fast detection rhythm, high precision and the like, can be widely applied to the self-checking of the rotary signal tooth related parts, greatly improves the production efficiency, and avoids the product quality risk. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is the front view of the utility model;

[0020] Fig. 2 It is the side view of the utility model;

[0021] Fig. 3 The utility model discloses a positioning mechanism diagram.

[0022] In the drawing: 1 - frame, 11 - lower frame, 12 - upper frame,

[0023] 2 - compression mechanism, 21 - compression cylinder, 22 - compression head, 23 - support frame,

[0024] 3 - positioning mechanism, 31 - tension clamp, 32 - elastic positioning pin, 33 - wear pad, 34 - bearing seat, 35 - mounting bracket, 36 - cylinder, 37 - synchronous pulley set, 38 - rotary motor, 311 - main shaft,

[0025] 4 - detection mechanism, 41 - opposite emission sensor, 42 - lifting slide, 43 - sensor support, 44 - detection cylinder, 45 - connecting plate, 46 - transverse slide. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0027] Please refer to Figs. 1 to 3 The utility model provides a kind of technical scheme: a flywheel signal tooth detection machine, including frame 1, compression mechanism 2, positioning mechanism 3 and detection mechanism 4.

[0028] The frame 1 includes lower frame 11 and upper frame 12, and the upper frame 12 is fixedly installed on the lower frame 11.

[0029] The compression mechanism 2 is fixedly installed on the lower frame 11, and the compression mechanism 2 includes a compression cylinder 21 and a compression head 22, and the compression head 22 is fixedly installed at the output shaft end of the compression cylinder 21.

[0030] The positioning mechanism 3 is located directly below the compression head 22 and is installed on the lower frame 11, and the positioning mechanism 3 includes a tension clamp 31 and an elastic positioning pin 32, and the tension clamp 31 is used to be fixedly installed on the flywheel.

[0031] The detection mechanism 4 is installed on the lower frame 11 and located at the side of the positioning mechanism 3, and the detection mechanism 4 includes a pair of emission sensors 41 and a lifting slide 42, and the pair of emission sensors 41 are arranged on the lifting slide 42 and can be driven by the lifting slide 42 to move up and down.

[0032] In the embodiment, the upper frame 12 is provided with a display panel for displaying various information of the device.

[0033] In the embodiment, the pressing cylinder 21 is fixedly installed on the support frame 23, the support frame 23 is fixedly installed on the lower frame 11, the flywheel position is fixed on the positioning mechanism 3 by the pressing cylinder 21, and detection is facilitated.

[0034] In the embodiment, the tension clamp 31 is installed on the wear-resistant pad 33 through the elastic positioning pin 32, the wear-resistant pad 33 is fixedly installed on the bearing seat 34, the bearing seat 34 is installed on the mounting frame 35, the mounting frame 35 is installed on the lower frame 11, the tension clamp 31 is internally provided with a main shaft 311, the tension clamp 31 expands and shrinks when moving up and down on the main shaft 311, the tension clamp 31 is driven to expand and shrink by the up and down movement of the main shaft 311, and the clamping and loosening of the workpiece are realized.

[0035] In the embodiment, the bottom of the mounting frame 35 is provided with a cylinder 36, the output shaft of the cylinder 36 passes through the synchronous pulley set 37, the top of the synchronous pulley set 37 is connected to the bearing seat 34 and the side surface is connected to the output shaft of the rotary motor 38, the rotary motor 38 is installed in the lower frame 11, the main shaft 311 is connected to the main shaft 311, the main shaft 311 is driven to move up and down by the cylinder 36, the bearing seat 34 is driven to rotate by the motor 38, and the rotation of the flywheel workpiece is realized.

[0036] In the embodiment, the three groups of light barriers 41 are fixedly installed in the sensor support 43, the sensor support 43 is installed on the sliding block of the lifting sliding table 42, the sliding block of the lifting sliding table 42 is connected to the output shaft of the detection cylinder 44, the lifting sliding table 42 is connected to the transverse sliding table 46 through the connecting plate 45, the lifting sliding table 42 is driven to move left and right by the transverse sliding table 46, the light barriers 41 are driven to move up and down by the lifting sliding table 42, and the flywheel workpiece is detected.

[0037] Working principle

[0038] 1. The workpiece center hole is introduced along the tension clamp 31 to the workpiece and the wear-resistant pad, the pressing cylinder 21 is extended to drive the pressing head 22 to press the workpiece;

[0039] 2. The positions of the three groups of light barriers 41 are at the signal tooth hole position, the installation surface sensor detection position is determined according to the first signal tooth position and the encoder angle;

[0040] 3. The rotating motor 38 drives the workpiece to rotate, the workpiece angle is determined according to the on-off of the light transmission sensor 41 and the photoelectric encoder below the main shaft, and whether the workpiece is qualified is determined according to the comparison of the 20th tooth angle and the calibration piece.

[0041] 4. The device determines whether the signal tooth is abnormal and whether there is burr influence according to the detection values of the three groups of sensors.

[0042] It is to be understood by those skilled in the art that the utility model can be realized through other embodiments without departing from the spirit or essential characteristics thereof. Therefore, the above disclosed embodiments are merely illustrative in all aspects, and are not the only ones. All changes within the scope of the utility model or within the scope equivalent to the utility model are included in the utility model.

Claims

1. A flywheel signal tooth detection machine characterized by: Frame (1), pressing mechanism (2), positioning mechanism (3) and detection mechanism (4) are included. The frame (1) comprises a lower frame (11) and an upper frame (12), wherein the upper frame (12) is fixedly installed on the lower frame (11). The pressing mechanism (2) is fixedly installed on the lower frame (11), and the pressing mechanism (2) comprises a pressing cylinder (21) and a pressing head (22), wherein the pressing head (22) is fixedly installed on the output shaft end of the pressing cylinder (21). The positioning mechanism (3) is located directly below the pressing head (22) and is installed on the lower frame (11), and the positioning mechanism (3) comprises a tension clamp (31) and an elastic positioning pin (32), wherein the tension clamp (31) is used for fixedly installing on the flywheel. The detection mechanism (4) is installed on the lower frame (11) and located on the side of the positioning mechanism (3), and the detection mechanism (4) comprises a pair of sensors (41) and a lifting slide (42), wherein the pair of sensors (41) are arranged on the lifting slide (42) and can be driven by the lifting slide (42) to move up and down.

2. A flywheel signal tooth detection machine according to claim 1, wherein: The upper frame (12) is provided with a display panel.

3. A flywheel signal tooth detection machine as claimed in claim 1, wherein: The pressing cylinder (21) is fixedly installed on the support frame (23), and the support frame (23) is fixedly installed on the lower frame (11).

4. A flywheel signal tooth detection machine as claimed in claim 1, wherein: The tension clamp (31) is installed on the wear pad (33) through the elastic positioning pin (32), the wear pad (33) is fixedly installed on the bearing seat (34), the bearing seat (34) is installed on the mounting bracket (35), the mounting bracket (35) is installed on the lower frame (11), the tension clamp (31) is provided with a main shaft (311) inside, the tension clamp (31) will produce expansion and contraction change when moving up and down on the main shaft (311), and the lower side of the bearing seat (34) is provided with an optical encoder.

5. A flywheel signal tooth detection machine as claimed in claim 4, wherein: The bottom of the mounting bracket (35) is provided with a cylinder (36), the output shaft of the cylinder (36) penetrates through a synchronous pulley set (37), the top of the synchronous pulley set (37) is connected to the bearing seat (34) and the side is connected to the output shaft of the rotary motor (38), the rotary motor (38) is installed in the lower frame (11), the main shaft (311) is connected to the main shaft (311), and the lower side of the synchronous pulley set (37) is provided with an optical encoder.

6. A flywheel signal tooth detection machine as claimed in claim 1, wherein: The pair of sensors (41) are provided with several groups and are fixedly installed in the sensor support (43), the sensor support (43) is installed on the sliding block of the lifting slide (42), the sliding block of the lifting slide (42) is connected to the output shaft of the detection cylinder (44), and the lifting slide (42) is connected to the transverse slide (46) through the connecting plate (45).

Images