CN221147511U

CN221147511U - Piston runout detector

Info

Publication number: CN221147511U
Application number: CN202323128828.9U
Authority: CN
Inventors: 汤许诺; 汤本全
Original assignee: Zhuhai Jiyou Technology Co ltd
Current assignee: Zhuhai Jiyou Technology Co ltd
Priority date: 2023-11-20
Filing date: 2023-11-20
Publication date: 2024-06-14
Anticipated expiration: 2033-11-20

Abstract

The utility model discloses a piston runout detector, which comprises a lower rack and a detection mechanism; the lower frame: the middle part of the upper surface of the lower frame is provided with a pneumatic spindle clamping seat, the upper side wall of the lower frame is provided with an electromagnetic reversing valve I, the air outlet end of the electromagnetic reversing valve I is connected with an air tap of the outer cambered surface of the pneumatic spindle clamping seat through an air pipe I, the upper surface of the lower frame is provided with an upper frame, and the front end of the upper frame is provided with a display; the detection mechanism comprises: the detection mechanism is arranged on the upper surface of the lower frame and is positioned in the upper frame; wherein: the automatic control device is characterized by further comprising an industrial personal computer, wherein the industrial personal computer is arranged at the front end of the inner part of the lower frame, the input ends of the first electromagnetic reversing valve and the display are electrically connected with the output end of the industrial personal computer, the input end of the industrial personal computer is electrically connected with an external power supply, the piston jump detector is good in accuracy of the mounting position of the piston, the measuring error can be reduced, the automatic rotation can be realized, the jump detection can be realized by utilizing the laser displacement sensor, the structure is simple, the detection precision is high, and the use is convenient.

Description

Piston runout detector

Technical Field

The utility model relates to the technical field of piston detection, in particular to a piston runout detector.

Background

The piston is a reciprocating motion part in a cylinder or a pump, and is generally disc-shaped or cylindrical, in the engine cylinder, the piston is used for changing the pressure of steam or fuel burst into mechanical energy to push a machine to operate, the piston needs higher machining precision, the jump of the piston can be detected in the machining process, the piston is generally supported by using V-shaped iron in detection, the piston is rotated by hand stirring and then detected by using a dial indicator, the structure is simple, the use cost is low, the detection accuracy is general, meanwhile, the manual detection speed is slower, and the detection efficiency is influenced.

Disclosure of utility model

The utility model aims to overcome the existing defects, and provides the piston runout detector, which has the advantages that the accuracy of the mounting position of a piston is good, the measuring error is reduced, the runout detection can be carried out by using a laser displacement sensor in an automatic rotation mode, the structure is simple, the detection precision is good, the efficiency is high, the use is convenient, and the problems in the background technology can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a piston runout detector comprises a lower frame and a detection mechanism;

The lower frame: the middle part of the upper surface of the lower frame is provided with a pneumatic spindle clamping seat, the upper side wall of the lower frame is provided with an electromagnetic reversing valve I, the air outlet end of the electromagnetic reversing valve I is connected with an air tap of the outer cambered surface of the pneumatic spindle clamping seat through an air pipe I, the upper surface of the lower frame is provided with an upper frame, and the front end of the upper frame is provided with a display;

The detection mechanism comprises: the detection mechanism is arranged on the upper surface of the lower frame and is positioned in the upper frame;

Wherein: the automatic detection device is characterized by further comprising an industrial personal computer, wherein the industrial personal computer is arranged at the front end of the inner part of the lower frame, the input ends of the first electromagnetic directional valve and the display are electrically connected with the output end of the industrial personal computer, the input end of the industrial personal computer is electrically connected with an external power supply, the upper end and the lower end of the piston can be simultaneously fixed, the accuracy of the installation position is good, the measurement error is reduced, the automatic detection device can automatically rotate, the end face of the piston is detected by utilizing the laser displacement sensor, the automatic detection device is simple in structure, high in detection precision and convenient to use.

Further, detection mechanism includes guide pillar, guide pin bushing, backup pad and laser displacement sensor, the guide pillar symmetry sets up in the upper surface of lower frame, and the equal sliding connection of upper end of guide pillar extrados has the guide pin bushing, and two guide pins all are with backup pad fixed connection, and the backup pad is located the inside of upper frame, and the backup pad lower surface is equipped with laser displacement sensor, and laser displacement sensor is located pneumatic spindle holder's top, and laser displacement sensor's output electricity is connected the input of industrial computer, makes things convenient for the detection that the terminal surface beats.

Further, the number of the guide posts is two, the upper end between the two guide posts is provided with an air cylinder through a connecting plate, the telescopic end of the air cylinder is fixedly connected with the upper surface of the supporting plate, the upper end of the outer cambered surface of the air cylinder is provided with a second electromagnetic reversing valve, the air outlet end of the second electromagnetic reversing valve is connected with an air pipe joint of the air cylinder through an air pipe, and the input end of the second electromagnetic reversing valve is electrically connected with the output end of the industrial personal computer, so that the upward and downward movement of the supporting plate can be controlled conveniently.

Furthermore, the lower surface of the supporting plate is provided with a rotary center, so that the piston is conveniently positioned.

Further, the upper side wall of the lower rack is provided with a servo motor through a motor seat, an output shaft of the servo motor is provided with a first synchronous pulley, the lower end of the pneumatic spindle clamping seat is provided with a second synchronous pulley, the second synchronous pulley is in transmission connection with the first synchronous pulley through a synchronous belt, and the input end of the servo motor is electrically connected with the output end of the industrial personal computer, so that the piston can be conveniently driven to rotate.

Further, the front side of the upper frame is provided with a safety grating, the output end of the safety grating is electrically connected with the input end of the industrial personal computer, detection of operators is facilitated, and safety during use is improved.

Furthermore, the four corners of the lower surface of the lower frame are provided with casters and foot cups, so that the lower frame can be conveniently moved and supported.

Compared with the prior art, the utility model has the beneficial effects that: this piston detection machine that beats has following benefit:

1. The control industrial personal computer controls the first work of the electromagnetic directional valve, the electromagnetic directional valve controls a pair of pneumatic spindle clamping seats to convey compressed air, the pneumatic spindle clamping seats control the spring clamping heads to shrink to clamp a rod body of the piston, then the electromagnetic directional valve works, the electromagnetic directional valve controls a pair of air cylinders to supply air, the telescopic end of each air cylinder drives the supporting plate to move downwards, the supporting plate drives the guide sleeve to slide downwards along the guide pillar, the supporting plate drives the laser displacement sensor and the rotating center to move downwards, the rotating center tightly pushes a reserved hole at the upper end of the piston rod body, the laser displacement sensor is close to a detection surface of the piston, the single-point height of the detection surface is detected, the air cylinders can be utilized to drive the laser displacement sensor and the rotating center to move downwards when the control industrial personal computer is used, accuracy of the installation position of the piston is enhanced, meanwhile, the end face of the piston is detected by the laser displacement sensor, and the control industrial personal computer is simple in structure and high in detection precision.

2. The servo motor works, the output shaft of the servo motor drives the synchronous pulley I, the synchronous pulley I drives the synchronous pulley II to rotate through the synchronous belt, the synchronous pulley II drives the mandrel of the pneumatic spindle holder to rotate, the mandrel of the pneumatic spindle holder drives the piston to rotate through the collet chuck, the detection surface of the piston rotates and passes through the lower part of the laser displacement sensor, the laser displacement sensor detects the height of the piston detection surface round, the laser displacement sensor transmits detection data to the industrial personal computer, the industrial personal computer analyzes the detection data, then the detection result is transmitted to the display to be displayed, the servo motor can be used for driving the piston to rotate, the rotation speed is convenient to adjust, the laser displacement sensor is convenient to collect the change of the piston end surface round data, the detection of piston jumping is facilitated, and the detection convenience is good.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the lower housing of the present utility model;

Fig. 3 is an enlarged schematic view of the structure of the present utility model at a.

In the figure: the device comprises a lower frame 1, an upper frame 2, a pneumatic spindle holder 3, a first electromagnetic directional valve 4, a detection mechanism 5, a guide pillar 51, a guide sleeve 52, a support plate 53, a laser displacement sensor 54, a servo motor 6, a synchronous pulley 7, a synchronous pulley 8, a rotary center 9, a second electromagnetic directional valve 10, a rotary center 11, a safety grating 12, a trundle 13, a pin 14, a display 15 and an industrial personal computer 16.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present embodiment provides a technical solution: a piston runout detector comprises a lower frame 1 and a detection mechanism 5;

Lower frame 1: the middle part of the upper surface of the lower frame 1 is provided with a pneumatic spindle clamping seat 3, a lower frame 1 provides an installation position for the above parts, a rod body at the lower end of a piston is inserted into a spring chuck at the middle part of the pneumatic spindle clamping seat 3 during detection, the step surface of the piston rod body is aligned with the upper surface of the chuck, the upper side wall of the lower frame 1 is provided with an electromagnetic directional valve I4, the air outlet end of the electromagnetic directional valve I4 is connected with an air tap of the outer cambered surface of the pneumatic spindle clamping seat 3 through an air pipe I, the electromagnetic directional valve I4 conveys compressed air to the pneumatic spindle clamping seat 3, the pneumatic spindle clamping seat 3 controls the spring chuck to shrink to clamp the rod body of the piston, the upper surface of the lower frame 1 is provided with an upper frame 2, the front end of the upper frame 2 is provided with a display 15, the upper frame 2 provides an installation position for the display 15 displays the detection result, the upper frame 2 provides protection for one circle of a working table, the upper side wall of the lower frame 1 is provided with a servo motor 6 through a motor seat, the output shaft of the servo motor 6 is provided with a first synchronous pulley 7, the lower end of the pneumatic spindle holder 3 is provided with a second synchronous pulley 8, the second synchronous pulley 8 is in transmission connection with the first synchronous pulley 7 through a synchronous belt, the input end of the servo motor 6 is electrically connected with the output end of the industrial personal computer 16, the servo motor 6 works, the output shaft of the servo motor 6 drives the first synchronous pulley 7 to rotate, the first synchronous pulley 7 drives the second synchronous pulley 8 to rotate through a synchronous belt, the second synchronous pulley 8 drives the mandrel of the pneumatic spindle holder 3 to rotate, the mandrel of the pneumatic spindle holder 3 drives a piston to rotate through a spring chuck, the front side surface of the upper frame 2 is provided with a safety grating 12, the output end of the safety grating 12 is electrically connected with the input end of the industrial personal computer 16, the safety grating 12 detects the opening at the front end of the upper frame 2, the four corners of the lower surface of the lower frame 1 are respectively provided with a trundle 13 and a foot cup 14, the trundle 13 facilitates the movement of the lower frame 1, and the foot cup 14 can provide support for the lower frame 1;

detection mechanism 5: the detection mechanism 5 is arranged on the upper surface of the lower frame 1, the detection mechanism 5 is positioned in the upper frame 2, the detection mechanism 5 comprises guide posts 51, guide sleeves 52, supporting plates 53 and laser displacement sensors 54, the guide posts 51 are symmetrically arranged on the upper surface of the lower frame 1, the upper ends of the outer cambered surfaces of the guide posts 51 are all in sliding connection with the guide sleeves 52, the two guide sleeves 52 are fixedly connected with the supporting plates 53, the supporting plates 53 are positioned in the upper frame 2, the lower surface of the supporting plates 53 is provided with the laser displacement sensors 54, the laser displacement sensors 54 are positioned above a pneumatic main shaft clamping seat 3, the output ends of the laser displacement sensors 54 are electrically connected with the input end of an industrial personal computer 16, the supporting plates 53 drive the guide sleeves 52 to slide downwards along the guide posts 51, the supporting plates 53 drive the laser displacement sensors 54 to move downwards, the laser displacement sensors 54 are close to the detection surface of a piston, the detection surface of the piston is rotated through the lower part of the laser displacement sensors 54, the laser displacement sensors 54 detect the height of a circle of the piston detection surface, the number of the two guide posts is detected, the upper ends of the guide posts 51 are tightly connected with the upper end 9 of a reversing valve, the upper end of the reversing valve 9 of the reversing valve is arranged on the reversing valve 9, the reversing valve is connected with the upper end of the reversing valve 10 of the reversing valve 9 of the reversing valve, the reversing valve is connected with the reversing valve 10, and the reversing valve 10 is connected with the upper end of the reversing valve 10 of the reversing valve 11 is positioned on the reversing valve, and the reversing valve is connected with the reversing valve 11;

Wherein: the safety grating comprises a lower frame 1, an electromagnetic directional valve I4, a display 15, an industrial personal computer 16, a laser displacement sensor 54, an industrial personal computer 16, a safety grating 12, an electric signal and other electrical components, wherein the industrial personal computer 16 is arranged at the front end of the lower frame 1, the electromagnetic directional valve I4 and the input end of the display 15 are electrically connected with the output end of the industrial personal computer 16, the input end of the industrial personal computer 16 is electrically connected with an external power supply, the laser displacement sensor 54 transmits detection data to the industrial personal computer 16, the industrial personal computer 16 analyzes the detection data, and when the correlation light of the safety grating 12 is covered by an operator, the safety grating 12 transmits the electric signal to the industrial personal computer 16, and the industrial personal computer 16 limits the work of the other electrical components.

The working principle of the piston runout detector provided by the utility model is as follows: before use, the air inlet ends of the electromagnetic directional valve II 10 and the electromagnetic directional valve I4 are connected with an external compressed air pipe, a rod body at the lower end of a piston is inserted into a spring chuck at the middle part of the pneumatic main shaft chuck 3 during detection, the step surface of the piston rod body is aligned with the upper surface of the chuck, then the industrial personal computer 16 is regulated and controlled, the industrial personal computer 16 controls the electromagnetic directional valve II 10 to work, the electromagnetic directional valve II 10 supplies air to the air cylinder 9, the telescopic end of the air cylinder 9 drives the supporting plate 53 to move downwards, the supporting plate 53 drives the guide sleeve 52 to slide downwards along the guide pillar 51, the supporting plate 53 drives the laser displacement sensor 54 and the rotary center 11 to move downwards, the rotary center 11 pushes up a reserved hole at the upper end of the piston rod body, the electromagnetic directional valve I4 works, the electromagnetic directional valve I4 conveys compressed air to the pneumatic main shaft chuck 3, the pneumatic spindle clamp holder 3 controls the collet chuck to shrink to clamp the rod body of the piston, the laser displacement sensor 54 detects the height of a single point on the end face of the piston, the servo motor 6 works, the output shaft of the servo motor 6 drives the synchronous pulley I7 to rotate, the synchronous pulley I7 drives the synchronous pulley II 8 to rotate through the synchronous belt, the synchronous pulley II 8 drives the mandrel of the pneumatic spindle clamp holder 3 to rotate, the mandrel of the pneumatic spindle clamp holder 3 drives the piston to rotate through the collet chuck, the detection face of the piston rotates through the lower portion of the laser displacement sensor 54, the laser displacement sensor 54 detects the height of a circle of the piston detection face, the laser displacement sensor 54 transmits detection data to the industrial computer 16, the industrial computer 16 analyzes the detection data, and then the detection result is transmitted to the display 15 to be displayed.

It should be noted that, in the above embodiment, the electromagnetic directional valve one 4, the display 15, the laser displacement sensor 54, the electromagnetic directional valve two 10, the servo motor 6, the safety grating 12 and the industrial personal computer 16 may be freely configured according to practical application scenarios, the laser displacement sensor 54 may be an IL-S065 laser displacement sensor, the safety grating 12 may be a ZGS-20-4 safety grating, the servo motor 6 may be an ECMA-C20604RS servo motor, and the industrial personal computer 16 controls the electromagnetic directional valve one 4, the display 15, the laser displacement sensor 54, the electromagnetic directional valve two 10, the servo motor 6 and the safety grating 12 to operate by methods commonly used in the prior art.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A piston runout detector which is characterized in that: comprises a lower frame (1) and a detection mechanism (5);

Lower frame (1): the middle part of the upper surface of the lower frame (1) is provided with a pneumatic spindle clamping seat (3), the upper side wall of the lower frame (1) is provided with an electromagnetic reversing valve I (4), the air outlet end of the electromagnetic reversing valve I (4) is connected with an air tap of the outer cambered surface of the pneumatic spindle clamping seat (3) through an air pipe I, the upper surface of the lower frame (1) is provided with an upper frame (2), and the front end of the upper frame (2) is provided with a display (15);

Detection mechanism (5): the detection mechanism (5) is arranged on the upper surface of the lower frame (1) and is positioned in the upper frame (2);

Wherein: the intelligent control system further comprises an industrial personal computer (16), wherein the industrial personal computer (16) is arranged at the front end of the inside of the lower frame (1), the input ends of the first electromagnetic directional valve (4) and the display (15) are electrically connected with the output end of the industrial personal computer (16), and the input end of the industrial personal computer (16) is electrically connected with an external power supply.

2. A piston runout detector according to claim 1, wherein: the detection mechanism (5) comprises guide posts (51), guide sleeves (52), support plates (53) and laser displacement sensors (54), the guide posts (51) are symmetrically arranged on the upper surface of the lower frame (1), the upper ends of the outer cambered surfaces of the guide posts (51) are all connected with the guide sleeves (52) in a sliding mode, the two guide sleeves (52) are fixedly connected with the support plates (53), the support plates (53) are located inside the upper frame (2), the laser displacement sensors (54) are arranged on the lower surface of the support plates (53), the laser displacement sensors (54) are located above the pneumatic spindle clamping seat (3), and the output ends of the laser displacement sensors (54) are electrically connected with the input ends of the industrial personal computer (16).

3. A piston runout detector according to claim 2, wherein: the number of the guide posts (51) is two, the upper ends between the two guide posts (51) are provided with air cylinders (9) through connecting plates, the telescopic ends of the air cylinders (9) are fixedly connected with the upper surface of the supporting plate (53), the upper ends of the outer cambered surfaces of the air cylinders (9) are provided with electromagnetic reversing valves II (10), the air outlet ends of the electromagnetic reversing valves II (10) are connected with the air pipe joints of the air cylinders (9) through air pipes II, and the input ends of the electromagnetic reversing valves II (10) are electrically connected with the output ends of the industrial personal computers (16).

4. A piston runout detector according to claim 2, wherein: the lower surface of the supporting plate (53) is provided with a rotary center (11).

5. A piston runout detector according to claim 1, wherein: the upper side wall of the lower frame (1) is provided with a servo motor (6) through a motor seat, an output shaft of the servo motor (6) is provided with a first synchronous pulley (7), the lower end of the pneumatic main shaft holder (3) is provided with a second synchronous pulley (8), the second synchronous pulley (8) is in transmission connection with the first synchronous pulley (7) through a synchronous belt, and the input end of the servo motor (6) is electrically connected with the output end of the industrial personal computer (16).

6. A piston runout detector according to claim 1, wherein: the front side of the upper frame (2) is provided with a safety grating (12), and the output end of the safety grating (12) is electrically connected with the input end of the industrial personal computer (16).

7. A piston runout detector according to claim 1, wherein: four corners of the lower surface of the lower frame (1) are respectively provided with a trundle (13) and a foot cup (14).