CN215003386U

CN215003386U - Concentricity tester for shaft precision parts

Info

Publication number: CN215003386U
Application number: CN202121208006.XU
Authority: CN
Inventors: 黄刚; 陈明锋; 黄田甜; 田晶晶
Original assignee: Wuhan Maichuang Precision Machinery Co ltd
Current assignee: Wuhan Maichuang Precision Machinery Co ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-12-03
Anticipated expiration: 2031-06-01

Abstract

The application discloses a concentricity tester for shaft precision parts, which belongs to the field of measuring equipment and comprises a base, wherein a left supporting plate and a right supporting plate are respectively and fixedly connected to two ends of the upper side of the base correspondingly, a rotating shaft is rotatably connected to the middle end of the left supporting plate, a three-jaw chuck is fixedly connected to the right side of the rotating shaft, a workpiece is fixedly connected to the inside of the three-jaw chuck, a rotating disc is rotatably connected to the left side of the right supporting plate, an electric telescopic rod is fixedly connected to the left side of the rotating disc, and the output end of the electric telescopic rod is in contact with the workpiece; the device is provided with the fixed block through the upside at the base to and the cooperation is provided with left branch fagging, right branch fagging, pivot, three-jaw chuck, electric telescopic handle, sliding block, gyro wheel and lug, rotate the pivot and make the lug remove, the most value of its removal, be exactly centre of a circle minimum radius and maximum radius, thereby can obtain the concentricity, need not record all the time, provide work efficiency.

Description

Concentricity tester for shaft precision parts

Technical Field

The application relates to the field of measuring equipment, more specifically relates to a concentricity tester for shaft precision parts.

Background

Coaxiality is an important technical index for evaluating a cylindrical workpiece, and coaxiality errors directly influence the assembly and use of the workpiece. However, when the measured element axis of the workpiece is extremely short, it is very difficult to evaluate the coaxiality of the workpiece, and the concentricity is usually used for evaluation.

The prior art is when measuring the concentricity, will await measuring the axle and fix rotation on a support usually, then measure the radial maximum value of axle and minimum of awaiting measuring through the amesdial to reach the concentricity, need keep energy height concentrated like this and go to observe the amesdial and record data, can make the people too tired like this, thereby reduce work efficiency.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the work efficiency is reduced by concentrating on observing the dial indicator for a long time in the existing measuring process so as to easily cause the fatigue of people, the application provides an axle type precision part concentricity tester.

The application provides a precision spare part concentricity apparatus of axle type adopts following technical scheme:

the utility model provides an accurate spare part concentricity apparatus of axle type, includes the base, fixedly connected with left branch fagging and right branch fagging are corresponded respectively at the upside both ends of base, the middle-end of left branch fagging rotates and is connected with the pivot, the right side fixedly connected with three-jaw chuck of pivot, the inside fixedly connected with work piece of three-jaw chuck, the left side of right branch fagging rotates and is connected with the carousel, the left side fixedly connected with electric telescopic handle of carousel, electric telescopic handle's output contacts with the work piece, the upside of base is provided with the fixed block, the spout has been seted up to the inside of fixed block, the inside sliding connection of spout has the sliding block, the upper end of sliding block rotates through the connecting axle and is connected with the gyro wheel.

Further, the lower extreme inner wall fixedly connected with of spout has first spring, the upper end and the sliding block fixed connection of first spring.

Above-mentioned technical scheme, through the first spring that sets up, can make the sliding block reciprocate.

Furthermore, a lifting groove is formed in the left side of the fixing block and communicated with the sliding groove, and scale marks are arranged on one side of the lifting groove.

According to the technical scheme, the lifting groove is formed in the left side of the fixing block, and the scale marks are arranged on one side of the lifting groove, so that the radius of the workpiece can be more visually represented.

Furthermore, the left side fixedly connected with lug of sliding block, the lug is located the inside slip of lift inslot.

Above-mentioned technical scheme can conveniently observe the radius of work piece through the lug that sets up.

Further, a moving groove is formed in the upper side of the base, clamping grooves are formed in the side wall of the moving groove, the clamping grooves are arranged in a plurality of mode, and the plurality of clamping grooves are evenly arranged at equal intervals.

According to the technical scheme, the movable groove is formed, so that the fixed block can be positioned in the movable groove to slide.

Furthermore, a groove is formed in the right side of the fixing block, a second spring is fixedly connected inside the groove, a clamping column is fixedly connected to the right end of the second spring, and the clamping column is matched with the clamping groove.

Above-mentioned technical scheme, the device cooperatees through making card post and draw-in groove to can adjust the position of fixed block.

In summary, the present application includes at least one of the following advantageous technical effects:

(1) the device is provided with the fixed block through the upside at the base to and the cooperation is provided with left branch fagging, right branch fagging, the pivot, three-jaw chuck, electric telescopic handle, sliding block, gyro wheel, thereby the work piece can be fixed through three-jaw chuck, the gyro wheel can be extruded to the work piece this moment, then at the slow pivot of rotating, when the lug reciprocated, the most value of its removal was exactly centre of a circle minimum radius and maximum radius, thereby can obtain the concentricity, need not record all the time, provide work efficiency.

(2) The device has been seted up the shifting chute through the upside at the base, and is provided with the draw-in groove in the inside of shifting chute to the cooperation is provided with the card post in one side of fixed block, and makes card post and draw-in groove cooperate, thereby when the work piece of different length need be measured, can be located the fixed block and slide in the shifting chute, and fix through draw-in groove and card post cooperation, thereby can measure the work piece of different length, improve the practicality of device.

Drawings

FIG. 1 is a schematic overall structure of the present application;

FIG. 2 is an enlarged view of the structure of part A of the present application;

FIG. 3 is a front view of the present application;

fig. 4 is a cross-sectional view of a mounting block of the present application.

The reference numbers in the figures illustrate:

1. a base; 2. a left support plate; 3. a three-jaw chuck; 4. a workpiece; 5. a turntable; 6. an electric telescopic rod; 7. a fixed block; 701. a chute; 702. a first spring; 703. a lifting groove; 704. a groove; 705. a second spring; 706. clamping the column; 707. scale lines; 8. a slider; 801. a bump; 9. a roller; 10. a rotating shaft; 11. a right support plate; 12. a moving groove; 121. a clamping groove.

Detailed Description

The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those of ordinary skill in the art without any inventive work based on the embodiments in the present application belong to the protection scope of the present application.

In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses a concentricity tester for shaft precision parts, please refer to fig. 1, which comprises a base 1, wherein two ends of the upper side of the base 1 are respectively and fixedly connected with a left support plate 2 and a right support plate 11 correspondingly, the middle end of the left support plate 2 is rotatably connected with a rotating shaft 10, the right side of the rotating shaft 10 is fixedly connected with a three-jaw chuck 3, the inside of the three-jaw chuck 3 is fixedly connected with a workpiece 4, the left side of the right support plate 11 is rotatably connected with a rotating disc 5, the left side of the rotating disc 5 is fixedly connected with an electric telescopic rod 6, the output end of the electric telescopic rod 6 is contacted with the workpiece 4, the upper side of the base 1 is provided with a fixed block 7, in combination with fig. 4, the left side of the fixed block 7 is provided with a lifting groove 703, the lifting groove 703 is communicated with a sliding groove 701, one side of the lifting groove 703 is provided with a scale mark 707, can make the more audio-visual performance of radius of work piece 4, further combine fig. 2 and fig. 3, spout 701 has been seted up to the inside of fixed block 7, the first spring 702 of lower extreme inner wall fixedly connected with of spout 701, the upper end and the sliding block 8 fixed connection of first spring 702, through the first spring 702 that sets up, can make sliding block 8 reciprocate, the inside sliding connection of spout 701 has sliding block 8, the upper end of sliding block 8 is connected with gyro wheel 9 through the connecting axle rotation

Referring to fig. 1, a moving slot 12 is formed in the upper side of a base 1, a plurality of clamping slots 121 are formed in the side wall of the moving slot 12, the clamping slots 121 are uniformly arranged, and the moving slot 12 is arranged, so that a fixing block 7 can slide in the moving slot 12, further referring to fig. 4, a groove 704 is formed in the right side of the fixing block 7, a second spring 705 is fixedly connected in the groove 704, a clamping column 706 is fixedly connected to the right end of the second spring 705, the clamping column 706 is matched with the clamping slot 121, and the device can adjust the position of the fixing block 7 by matching the clamping column 706 with the clamping slot 121.

The implementation principle of the concentricity tester for the shaft precision parts in the embodiment of the application is as follows: when the device is used, a workpiece 4 to be measured is fixedly clamped through the three-jaw chuck 3, then the electric telescopic rod 6 is controlled to extend, the output end of the electric telescopic rod 6 is abutted against the workpiece 4, the workpiece 4 can be fixed in an auxiliary mode, the workpiece 4 is prevented from shaking, then the rotating shaft 10 is slowly rotated, and when the lug 801 moves up and down, the moving maximum value is the minimum radius and the maximum radius of the circle center, so that the concentricity can be obtained, the constant recording is not needed, and the working efficiency is improved; secondly when the work piece 4 of different length need be measured, can be located the shifting chute 12 with fixed block 7 and slide to cooperate through draw-in groove 121 and card post 706 and fix, thereby can measure the work piece 4 of different length, improve the practicality of device.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an accurate spare part concentricity apparatus of axle type, includes base (1), its characterized in that: the two ends of the upper side of the base (1) are respectively and fixedly connected with a left supporting plate (2) and a right supporting plate (11) correspondingly, the middle end of the left supporting plate (2) is rotationally connected with a rotating shaft (10), the right side of the rotating shaft (10) is fixedly connected with a three-jaw chuck (3), a workpiece (4) is fixedly connected inside the three-jaw chuck (3), the left side of the right supporting plate (11) is rotatably connected with a turntable (5), the left side of the rotary table (5) is fixedly connected with an electric telescopic rod (6), the output end of the electric telescopic rod (6) is contacted with the workpiece (4), a fixed block (7) is arranged on the upper side of the base (1), a sliding groove (701) is arranged inside the fixed block (7), the inside sliding connection of spout (701) has sliding block (8), the upper end of sliding block (8) is rotated through the connecting axle and is connected with gyro wheel (9).

2. The concentricity tester for precision shaft parts according to claim 1, wherein: the lower extreme inner wall fixedly connected with of spout (701) first spring (702), the upper end and the sliding block (8) fixed connection of first spring (702).

3. The concentricity tester for precision shaft parts according to claim 1, wherein: the left side of the fixed block (7) is provided with a lifting groove (703), the lifting groove (703) is communicated with the sliding groove (701), and one side of the lifting groove (703) is provided with a scale mark (707).

4. The concentricity tester for precision shaft parts according to claim 1, wherein: the left side fixedly connected with lug (801) of sliding block (8), lug (801) are located and slide in lift groove (703).

5. The concentricity tester for precision shaft parts according to claim 1, wherein: the movable groove (12) is formed in the upper side of the base (1), the clamping grooves (121) are formed in the side walls of the movable groove (12), the clamping grooves (121) are arranged in a plurality, and the clamping grooves (121) are evenly arranged at equal intervals.

6. The concentricity tester for precision shaft parts according to claim 1, wherein: the right side of the fixed block (7) is provided with a groove (704), a second spring (705) is fixedly connected inside the groove (704), the right end of the second spring (705) is fixedly connected with a clamping column (706), and the clamping column (706) is matched with the clamping groove (121).