CN210570587U

CN210570587U - Shaft part detection device

Info

Publication number: CN210570587U
Application number: CN201921997113.8U
Authority: CN
Inventors: 邵伟平
Original assignee: Wuxi Institute of Technology
Current assignee: Wuxi Institute of Technology
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-05-19
Anticipated expiration: 2029-11-18

Abstract

A shaft part detection device comprises a base, wherein a V-shaped opening is formed in the upper portion of the base, two inclined planes formed by the V-shaped opening are processed into a detection plate, a plurality of notches are formed right below the V-shaped opening, a lead screw is installed in each notch, two ends of the lead screw are respectively supported by a first supporting seat and a second supporting seat, a servo driving unit is installed at the position of the first supporting seat through a connecting shaft, a nut is sleeved on the lead screw, a distance meter is fixedly installed on the upper portion of the nut, and the distance meter is located in the second notch; first slide and second slide are installed to the interval in the V type mouth, and the bottom of first slide and second slide all sets to V type structure, matches with the V type mouth of base to can slide along the pick-up plate, first tip cone is installed to the medial surface of first slide, and the second tip cone is installed to the medial surface of second slide, centre gripping work piece or check-up stick between first tip cone and the second tip cone. The measurement is convenient, and the work efficiency is high.

Description

Shaft part detection device

Technical Field

The utility model belongs to the technical field of detection device technique and specifically relates to an axle type part detection device.

Background

In machining, the diameter and the length of the upper excircle of the shaft part need to be detected, a common detection method is to manually detect each dimension by using a common measuring tool, and manually detect each dimension by using a vernier caliper or a micrometer, which is labor-consuming and time-consuming. Furthermore, the measuring personnel is required to have skilled detection skills, and measurement errors are not avoided in the detection process.

SUMMERY OF THE UTILITY MODEL

The applicant provides a shaft part detection device aiming at the defects in the prior art, so that the detection of the diameter and the length of the excircle on the shaft is automatically completed by machinery, the detection is accurate, time and labor are saved, and the working efficiency is greatly improved.

The utility model discloses the technical scheme who adopts as follows:

a shaft part detection device comprises a base, wherein a V-shaped opening is formed in the upper portion of the base, two inclined planes formed by the V-shaped opening are processed into a detection plate, a plurality of pressure sensors are uniformly distributed in the detection plate, a first notch is formed right below the V-shaped opening, a second notch with a smaller opening is formed below the first notch, a third notch with a square cross section is arranged below the second notch, the first notch, the second notch and the third notch, the third notch is provided with a screw rod, two ends of the screw rod are respectively supported by a first supporting seat and a second supporting seat, a servo driving unit is arranged at the end of the first supporting seat through a connecting shaft and is arranged outside the base, the screw rod is sleeved with a nut, the upper part of the nut is fixedly provided with a distance meter, and the distance meter is positioned in the second notch; a first sliding seat and a second sliding seat are arranged in the V-shaped opening at intervals, the bottoms of the first sliding seat and the second sliding seat are both arranged into V-shaped structures, the V-shaped structures are matched with the V-shaped opening of the base and can slide along the detection plate, a first tip cone is arranged on the inner side surface of the first sliding seat, a second tip cone is arranged on the inner side surface of the second sliding seat, and a workpiece or a check rod is clamped between the first tip cone and the second tip cone; the base front end face is also provided with a detection control unit and a power switch unit, and the top face of the base is provided with a display unit.

The further technical scheme is as follows:

and the first supporting seat and the second supporting seat are respectively positioned at two ends of the third notch.

And the screw rods supported by the first supporting seat and the second supporting seat are parallel to the V-shaped opening.

The center position of the range finder is positioned on a bisector of the V-shaped opening of the base.

The cross sections of the first sliding seat and the second sliding seat are both L-shaped structures, and the bottoms of the first sliding seat and the second sliding seat are V-shaped structures.

The power switch unit, the detection control unit, the servo drive unit, the distance meter, the pressure sensor and the display unit are electrically connected.

The utility model has the advantages as follows:

the utility model discloses compact structure, reasonable, convenient operation through the mating reaction of screw rod mechanism, distancer, slide and apex cone, can be convenient detect out the excircle diameter and the length of axle type part, automated inspection, it is high to detect the precision, labour saving and time saving has improved work efficiency greatly.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a side view of fig. 1.

Fig. 3 is a schematic structural diagram of the base of the present invention.

Wherein: 1. a power switching unit; 2. a detection control unit; 3. a base; 4. a screw rod; 5. a first support base; 6. a servo drive unit; 7. a connecting shaft; 8. a first slider; 9. a first tip cone; 10. a workpiece; 11. a second tip cone; 12. a second slide carriage; 13. a second support seat; 14. a range finder; 15. a nut; 16. detecting a plate; 17. a display unit; 18. a pressure sensor;

301. a first notch; 302. a second notch; 303. a third notch; 304. a bevel.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1, 2 and 3, the shaft part detecting device of the present embodiment includes a base 3, a V-shaped opening is disposed on an upper portion of the base 3, two inclined planes 304 formed by the V-shaped opening are processed into a detecting plate 16, a plurality of pressure sensors 18 are uniformly distributed in the detecting plate 16, a first notch 301 is opened right below the V-shaped opening, a second notch 302 having a smaller opening than the first notch 301 is opened below the first notch 301, a third notch 303 having a square cross section is opened below the second notch 302, the first notch 301, the second notch 302 and the third notch 303 are installed on the third notch 303, a lead screw 4 is installed on the third notch 303, two ends of the lead screw 4 are respectively supported by a first supporting seat 5 and a second supporting seat 13, a servo driving unit 6 is installed at a end of the first supporting seat 5 by a connecting shaft 7, the servo driving unit 6 is installed outside the base 3, a nut 15 is sleeved on the lead screw 4, a distance measuring instrument 14 is fixedly installed at an upper portion of the nut 15, the rangefinder 14 is located within the second slot 302; a first sliding seat 8 and a second sliding seat 12 are arranged in the V-shaped opening at intervals, the bottoms of the first sliding seat 8 and the second sliding seat 12 are both arranged into a V-shaped structure, are matched with the V-shaped opening of the base 3 and can slide along a detection plate 16, a first tip cone 9 is arranged on the inner side surface of the first sliding seat 8, a second tip cone 11 is arranged on the inner side surface of the second sliding seat 12, and a workpiece 10 or a check rod is clamped between the first tip cone 9 and the second tip cone 11; the front end surface of the base 3 is also provided with a detection control unit 2 and a power switch unit 1, and the top surface of the base 3 is provided with a display unit 17.

The first supporting seat 5 and the second supporting seat 13 are respectively located at two ends of the third notch 303.

The screw rod 4 supported by the first support seat 5 and the second support seat 13 is parallel to the V-shaped opening.

The center of the distance meter 14 is located on the bisector of the V-shaped opening of the base 3.

The cross sections of the first sliding seat 8 and the second sliding seat 12 are both L-shaped structures, and the bottom of the first sliding seat and the bottom of the second sliding seat are V-shaped structures.

The power switch unit 1, the detection control unit 2, the servo drive unit 6, the distance meter 14, the pressure sensor 18 and the display unit 17 are electrically connected.

In the specific working process:

before detecting the workpiece 10, taking a check rod (assuming that the diameter of the check rod is phi 20), placing the check rod on the first and second tip cones 9 and 11 on the first and second sliding bases 8 and 12, turning on the power switch unit 1, obtaining the positions of the first and second sliding bases 8 and 12 on the base 3 by a pressure sensor 18 in the detection plate 16 according to the pressure of the first and second sliding bases 8 and 12 on the detection plate 16, the position information is transmitted to the detection control unit 2, the detection control unit 2 signals the servo driving unit 6, the servo driving unit 6 drives the screw rod 4 to rotate, the driving nut 15 slides along the screw rod 4, namely, the distance measuring instrument 14 is driven to a specific position for detection, the distance between the distance measuring instrument 14 and the lower vertex of the excircle of the check rod is measured, if the measured distance is a, the distance a exists, it can be found that the distance from the distance meter 14 to the line connecting the centers of the first tip cone 9 and the second tip cone 11 is a +10 (the radius of the check rod is 10). This verified number a +10 is input to the display unit 17.

After the device is verified, when a workpiece 10 needs to be detected, the workpiece 10 with center holes at two ends is only required to be installed on a first tip cone 9 and a second tip cone 11 on a first sliding seat 8 and a second sliding seat 12, a power switch unit 1 is turned on, a pressure sensor 18 in a detection plate 16 can know the positions of the first sliding seat 8 and the second sliding seat 12 on a base 3 according to the pressure of the first sliding seat 8 and the second sliding seat 12 on the detection plate 16, the position information is transmitted to a detection control unit 2, the detection control unit 2 sends a signal to a servo driving unit 6, the servo driving unit 6 drives a screw rod 4 to rotate, a driving nut 15 slides along the screw rod 4, namely, a distance meter 14 is driven to a specific position for detection, the distance between the distance meter 14 and the lower vertex of the excircle of the workpiece 10 is measured to be b, the measured data is transmitted to a display unit 17, the display unit 17 calculates the diameter of the workpiece 10 to be (2a +20-2, (the reason is a +10-b, which is the radius of the measured workpiece 10), the distance meter 14 uniformly detects the right end of the workpiece 10 from the left end of the workpiece 10, the display unit 17 compares whether the detected diameter data is the same as the previous diameter data, and when there is different diameter data, the display unit 17 can calculate the length between different diameters, that is, the length of different outer diameters of the workpiece 10, according to the number of degrees of rotation of the servo drive unit 6 and the pitch of the screw rod 4. The display unit 17 displays the shaft pattern according to the detected data, and marks the outer diameter and length of the workpiece 10.

The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.

Claims

1. The utility model provides an axle type part detection device which characterized in that: the detection device comprises a base (3), wherein a V-shaped opening is formed in the upper portion of the base (3), two inclined planes (304) formed by the V-shaped opening are processed into a detection plate (16), a plurality of pressure sensors (18) are uniformly distributed in the detection plate (16), a first notch (301) is formed right below the V-shaped opening, a second notch (302) with an opening smaller than the first notch (301) is formed below the first notch (301), a third notch (303) with a cross section of a square structure is formed below the second notch (302), the first notch (301), the second notch (302) and the third notch (303) are formed, a screw rod (4) is installed on the third notch (303), two ends of the screw rod (4) are respectively supported by a first supporting seat (5) and a second supporting seat (13), and a servo driving unit (6) is installed at the end of the first supporting seat (5) through a connecting shaft (7), the servo driving unit (6) is arranged outside the base (3), the screw rod (4) is sleeved with a nut (15), a distance meter (14) is fixedly arranged on the upper portion of the nut (15), and the distance meter (14) is located in the second notch (302); a first sliding seat (8) and a second sliding seat (12) are installed in the V-shaped opening at intervals, the bottoms of the first sliding seat (8) and the second sliding seat (12) are both arranged to be V-shaped structures, are matched with the V-shaped opening of the base (3) and can slide along a detection plate (16), a first tip cone (9) is installed on the inner side surface of the first sliding seat (8), a second tip cone (11) is installed on the inner side surface of the second sliding seat (12), and a workpiece (10) or a check rod is clamped between the first tip cone (9) and the second tip cone (11); the base (3) is preceding the terminal surface and still installs detection control unit (2) and switch unit (1), display element (17) are installed to the top surface of base (3).

2. The shaft part detecting device according to claim 1, wherein: the first supporting seat (5) and the second supporting seat (13) are respectively positioned at two ends of the third notch (303).

3. The shaft part detecting device according to claim 1, wherein: and the screw rods (4) supported by the first supporting seat (5) and the second supporting seat (13) are parallel to the V-shaped opening.

4. The shaft part detecting device according to claim 1, wherein: the center position of the distance meter (14) is positioned on a bisector of the V-shaped opening of the base (3).

5. The shaft part detecting device according to claim 1, wherein: the cross sections of the first sliding seat (8) and the second sliding seat (12) are both L-shaped structures, and the bottoms of the first sliding seat and the second sliding seat are V-shaped structures.

6. The shaft part detecting device according to claim 1, wherein: the power switch unit (1), the detection control unit (2), the servo drive unit (6), the range finder (14), the pressure sensor (18) and the display unit (17) are electrically connected.