CN218496011U - A concentricity testing device for shaft parts - Google Patents

Abstract

The utility model discloses an axle type part concentricity detection device, which comprises a base plate, a mounting seat is fixedly connected to one side of the upper end surface of the base plate, the upper end of the mounting seat is rotatably connected with a mounting shaft, a three-jaw chuck for fixing an axle type part is arranged at one end of the mounting shaft, and a limiting component for limiting the axle type part by jacking the end part of the axle type part is arranged at one end of the upper end surface of the base plate, which is far away from the mounting seat; the upper end surface of the bottom plate is also provided with a driving assembly for driving the mounting shaft to rotate; the equal fixedly connected with fixing base in bottom plate up end both sides, two slide bars of fixedly connected with between two fixing base horizontal poles, sliding connection has the sliding block between two slide bars, the utility model discloses the three-jaw chuck and the tip cone that set up can detect the axle type part of different diameters and length in the certain limit when using, and then can effectual improve equipment's application range for more have the practicality.

Description

A concentricity testing device for shaft parts

technical field

The utility model relates to the technical field of detection of shaft parts, in particular to a concentricity detection device for shaft parts.

Background technique

In industrial products, shaft parts are suitable for one or more CNC machined part maintenance operations. Shaft parts are one of the typical parts often encountered in hardware accessories. They are mainly used to support transmission parts, transmit torque and bear loads. According to the different structural forms of shaft parts, they can generally be divided into optical shafts, stepped shafts and special-shaped shafts. Three types of shafts; or divided into solid shafts, hollow shafts, etc.

During the processing of shaft parts, it is necessary to perform concentricity detection on shaft parts, and then reject unqualified products. The existing patent 203550894U proposes a concentricity detection device, including a lever gauge, a first platen, and a second platen , the first table and the second table are fixed by connecting rods, there is also a slide bar between the first table and the second table, a slidable column is provided on the slide bar, and a movable lever is provided on the column Table, the connecting rod is provided with a slidable support block, the support block is provided with two support rollers, the slide bar is also provided with a slidable roller adjustment rod, and the roller adjustment rod is provided with a movable roller fixing block, and the rollers The fixed block is provided with an elastic roller, and the device uses a lever dial indicator to cooperate with the rotation of the shaft parts to detect the concentricity of the shaft parts.

However, there are still some defects in the actual use of the existing technology. Although the use of the dial indicator for detection during use can accurately detect whether the shaft parts are qualified, it is necessary to keep an eye on the dial indicator scale during the detection process. The pointer of the disk changes. This working method is not only slow in detection speed, but also prone to fatigue during work. In view of the above problems, we provide a concentricity detection equipment for shaft parts to solve the above-mentioned problems.

Utility model content

The purpose of this utility model is to provide a concentricity detection device for shaft parts to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A concentricity detection device for shaft parts, including a base plate, a mounting base is fixedly connected to one side of the upper surface of the base plate, and a mounting shaft is rotatably connected to the upper end of the mounting base, and one end of the mounting shaft is provided for adjusting the shaft parts. A fixed three-jaw chuck, the end of the bottom plate away from the mounting seat is provided with a limit assembly for pressing against the end of the shaft part to limit the position of the shaft part;

The upper surface of the bottom plate is also provided with a drive assembly for driving the installation shaft to rotate;

Both sides of the upper surface of the base plate are fixedly connected with fixing seats, two sliding bars are fixedly connected between the cross bars of the two fixing seats, and a sliding block is slidably connected between the two sliding bars. A detection component for detecting the concentricity of shaft parts.

As a further solution of the present utility model: the position limiting assembly includes a slide rail, the slide rail is fixedly connected to the side of the bottom plate away from the mounting seat, the slide rail is slidably connected to a first slide seat, and the first slide rail is A top cone is rotatably connected to the upper end of a sliding seat, and a locking knob for fixing the position of the first sliding seat is also provided on the first sliding seat.

As a further solution of the present utility model: the drive assembly includes a drive pulley, the drive pulley is installed on the end of the installation shaft away from the three-jaw chuck, and the end surface of the bottom plate close to the mounting seat is fixedly connected with a speed reducer The motor, the output end of the reduction motor is provided with a motor pulley, and a transmission belt is installed between the motor pulley and the driving pulley.

As a further solution of the utility model: the detection assembly includes a second sliding seat, the second sliding seat is fixedly connected to the side of the sliding block close to the shaft parts, and the second sliding seat is slidably connected with a vertical slide The lower end of the vertical sliding rod is provided with a chassis, the vertical sliding rod is located between the chassis and the second sliding seat, and a top pressure spring is pierced, and the upper end of the vertical sliding rod is fixedly connected with a second conductive contact, The position where the upper end surface of the sliding block is close to the second sliding seat is also fixedly connected with a mounting vertical plate, and a sliding sleeve is slidably connected to the mounting vertical plate, and the sliding sleeve is provided with a first fixing knob for fixing the sliding sleeve. The side of the sliding sleeve close to the second conductive contact is fixedly connected with a first fixed frame, the lower end of the first fixed frame is fixedly connected with a hard spring, and the lower end of the hard spring is fixedly connected with a first conductive contact. There are measuring components for measuring shaft parts.

As a further solution of the utility model: the measuring assembly includes a second fixing frame, the second fixing frame is fixedly connected to the side of the sliding block close to the sliding seat, and the second fixing frame is slidably connected with a mounting sleeve, A second fixing knob for fixing the installation sleeve is provided on the installation sleeve, and a dial gauge is installed on the installation sleeve.

As a further solution of the present invention: the lower end of the vertical sliding rod is also provided with a rolling steel ball.

As a further solution of the utility model: an alarm is also provided on one side of the upper surface of the base plate, a controller is provided at a position close to the alarm on the upper end of the base plate, the geared motor, the first conductive contact and the second conductive contact The contacts are all electrically connected with the controller.

As a further solution of the present invention: the surface of the installation riser is also engraved with a distance scale.

As a further solution of the present invention: finger grooves for anti-slip are provided on both the edges of the second fixed knob and the first fixed knob.

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

1. The utility model can detect the concentricity of the shaft parts during use through the detection assembly provided. When testing, the bottom of the vertical slider is set on the surface of the shaft parts, and then the first conductive contact and the second contact are adjusted. The distance between the two conductive contacts, the distance between the first conductive contact is the maximum error distance allowed by the shaft parts. During the detection process, the shaft parts rotate, and then push the sliding block to move along the surface of the shaft parts at a constant speed. When After the eccentricity of shaft parts exceeds the maximum allowable error, the second conductive contact will contact the first conductive contact, and the circuit will be turned on after the first conductive contact contacts the second conductive contact, and the alarm will be controlled by the controller The alarm is issued by the device, and then the unqualified parts can be quickly found out, without the need for workers to keep staring at the dial indicator for inspection, which improves work efficiency and reduces the labor intensity of workers.

2. The three-jaw chuck and top cone provided by the utility model can detect shaft parts with different diameters and lengths within a certain range during use, thereby effectively improving the use range of the equipment and making it more practical .

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic structural view of the other side of the utility model.

Fig. 3 is a structural schematic diagram of the detection component in the utility model.

Among them: 1. Bottom plate; 2. First sliding seat; 3. Slide rail; 4. Locking knob; 5. Fixed seat; 6. Top cone; 7. Sliding rod; 8. Sliding block; 9. Three-jaw chuck; 10, driving pulley; 11, installation shaft; 12, deceleration motor; 13, transmission belt; 14, alarm; 15, mounting base; 16, controller; 17, second fixed frame; 18, sliding sleeve; The first fixed knob; 20, the installation vertical plate; 21, the first fixed frame; 22, the hard spring; 23, the first conductive contact; 24, the second conductive contact; 25, the second sliding seat; 26, top pressure Spring; 27, chassis; 28, vertical slide bar; 29, steel ball; 30, installation cover; 31, second fixed knob; 32, dial indicator.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Example 1

Please refer to Fig. 1-Fig. 3, in the embodiment of the utility model, a kind of concentricity detection equipment of shaft parts includes a bottom plate 1, a limit assembly, a drive assembly and a detection assembly, and one side of the upper end surface of the bottom plate 1 is fixedly connected with Mounting seat 15, the upper end of the mounting seat 15 is rotatably connected with a mounting shaft 11, one end of the mounting shaft 11 is provided with a three-jaw chuck 9 for fixing shaft parts, and both sides of the upper end surface of the bottom plate 1 are fixedly connected There are fixed bases 5, two sliding bars 7 are fixedly connected between the crossbars of the two fixing bases 5, and sliding blocks 8 are slidably connected between the two sliding bars 7;

When in use, clamp the parts that need to be tested on the three-jaw chuck 9, and use the limit assembly to hold the shaft parts, and then drive the three-jaw chuck 9 to rotate at a low speed through the drive assembly, and then drive the shaft parts to perform low-speed rotation. Rotate, then push the sliding block 8 to move along the shaft at a constant speed, and use the detection component to detect the shaft.

The limit assembly is arranged on the end surface of the bottom plate 1 away from the mounting seat 15, and is used to press against the end of the shaft part to limit the position of the shaft part. The limit assembly includes a slide rail 3, and the slide rail 3 is fixedly connected to the side of the upper end surface of the bottom plate 1 away from the mounting seat 15, the first sliding seat 2 is slidably connected to the slide rail 3, and the top cone 6 is rotatably connected to the upper end of the first sliding seat 2, and the first The sliding seat 2 is also provided with a locking knob 4 for fixing the position of the first sliding seat 2 .

When in use, first loosen the locking knob 4, then push the first sliding seat 2 to move towards the shaft part, and set the cone tip of the top cone 6 on the center process hole of the shaft part, and then tighten the locking knob 4. Can.

The drive assembly is arranged on the upper end surface of the base plate 1, and is used to drive the installation shaft 11 to rotate. The drive assembly includes a drive pulley 10, and the drive pulley 10 is installed on the end of the installation shaft 11 away from the three-jaw chuck 9. A reduction motor 12 is fixedly connected to the side near the mounting base 15 on the upper end surface of the base plate 1 , the output end of the reduction motor 12 is provided with a motor pulley, and a transmission belt 13 is installed between the motor pulley and the driving pulley 10 .

When working, the reduction motor 12 starts to drive the motor pulley to rotate, then the drive belt pulley 10 is driven to rotate at a low speed by the transmission of the transmission belt 13, and the drive pulley 10 rotates at a low speed and then drives the three-jaw chuck 9 to rotate at a low speed.

The detection assembly is arranged on the sliding block 8 to detect the concentricity of the shaft parts. The detection assembly includes a second sliding seat 25, and the second sliding seat 25 is fixedly connected to the sliding block 8 close to the shaft parts. The second sliding seat 25, the second sliding seat 25 is slidably connected with a vertical sliding bar 28, the lower end of the vertical sliding bar 28 is provided with a chassis 27, and the vertical sliding bar 28 is located between the chassis 27 and the second sliding seat 25 The position between is pierced with a top pressure spring 26, the upper end of the vertical sliding bar 28 is fixedly connected with the second conductive contact 24, and the position where the upper end surface of the sliding block 8 is close to the second sliding seat 25 is also fixedly connected with the installation vertical plate 20, the installation riser 20 is slidably connected with a sliding sleeve 18, the sliding sleeve 18 is provided with a first fixing knob 19 for fixing the sliding sleeve 18, and the sliding sleeve 18 is close to the second conductive contact 24 One side is fixedly connected with a first fixed frame 21, the lower end of the first fixed frame 21 is fixedly connected with a hard spring 22, and the lower end of the hard spring 22 is fixedly connected with a first conductive contact 23, and the sliding block 8 is also provided with a shaft A measuring assembly for measuring similar parts; the lower end of the vertical slide bar 28 is also provided with a rollable steel ball 29; one side of the upper end surface of the base plate 1 is also provided with an alarm 14, and the upper end of the base plate 1 is close to the position of the alarm 14 A controller 16 is provided, and the deceleration motor 12, the first conductive contact 23 and the second conductive contact 24 are all electrically connected to the controller 16; the surface of the installation riser 20 is also engraved with a distance scale.

The concentricity of the shaft parts can be detected by the provided detection assembly. During detection, the bottom of the vertical slide bar 28 is set on the surface of the shaft parts, and then the first conductive contact 23 and the second conductive contact are adjusted. The distance between the points 24 and the distance between the first conductive contacts 23 is the maximum error distance allowed by the shaft parts. During the detection process, the shaft parts rotate, and then push the sliding block 8 to move along the surface of the shaft parts at a constant speed. When After the eccentricity of shaft parts exceeds the allowable maximum error, the second conductive contact 24 will contact the first conductive contact 23, and the first conductive contact 23 will conduct the circuit after contacting the second conductive contact 24, and pass The controller 16 controls the alarm 14 to send an alarm, so that unqualified parts can be found out quickly, without the need for workers to keep an eye on the dial indicator for detection, which improves work efficiency and reduces the labor intensity of workers.

Example 2

The difference from Embodiment 1 is that the measuring assembly includes a second fixing frame 17, and the second fixing frame 17 is fixedly connected to the side of the sliding block 8 close to the second sliding seat 25, and the second fixing frame 17 The upper slide is connected with an installation sleeve 30, and the second fixing knob 31 for fixing the installation sleeve 30 is provided on the said installation sleeve 30, and a dial indicator 32 is installed on the said installation sleeve 30; There are finger grooves on the edges for non-slip.

By setting the dial indicator 32, it can be used after the alarm 14 sends out an alarm. When in use, unscrew the second fixed knob 31 to make the detection end of the dial indicator 32 push against the surface of the shaft parts, and then the alarm 14 can be sent out. After the alarm, the dial indicator 32 is used for accurate detection, so that the staff can grasp the accurate error amount, and it is convenient for later rework and repair.

The working principle of the utility model is: when in use, clamp the parts that need to be detected on the three-jaw chuck 9, unscrew the locking knob 4, and then push the first sliding seat 2 to move to the shaft parts, and the top Set the cone tip of the cone 6 to the center process hole of the shaft part, and then tighten the locking knob 4. When testing, set the bottom of the vertical slide bar 28 to the surface of the shaft part, and then adjust the first conductive contact 23 and the distance between the second conductive contact 24, the distance between the first conductive contact 23 is the maximum error distance allowed by the shaft parts. During the detection process, the shaft parts rotate, and then push the sliding block 8 along the shaft at a constant speed. When the eccentricity of shaft parts exceeds the allowable maximum error, the second conductive contact 24 will contact the first conductive contact 23, and after the first conductive contact 23 contacts the second conductive contact 24 Turn on the circuit, and control the alarm 14 to issue an alarm through the controller 16, and at the same time the deceleration motor 12 stops running. After the alarm 14 issues an alarm, use the dial indicator 32 to perform accurate detection, so that the staff can grasp the accurate error amount , which is convenient for later rework and repair.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Although this description is described according to the implementation mode, not every implementation mode includes only one technical solution. This description of the description is only for the sake of clarity. Those skilled in the art should take the description as a whole, and the technical solutions in each embodiment The schemes can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (9)

1. The utility model provides an axle type part concentricity check out test set, includes bottom plate (1), its characterized in that: a mounting seat (15) is fixedly connected to one side of the upper end face of the bottom plate (1), an installation shaft (11) is rotatably connected to the upper end of the mounting seat (15), a three-jaw chuck (9) used for fixing shaft parts is arranged at one end of the installation shaft (11), and a limiting assembly used for pressing the end part of the shaft part to limit the shaft parts is arranged at one end of the upper end face of the bottom plate (1) far away from the mounting seat (15);

the upper end surface of the bottom plate (1) is also provided with a driving assembly for driving the mounting shaft (11) to rotate;

the utility model discloses a detection device for the concentricity of shaft type part, including bottom plate (1), two slide bar (7) of fixedly connected with between two fixing base (5) horizontal poles, sliding connection has sliding block (8) between two slide bar (7), be equipped with on sliding block (8) and be used for carrying out the determine module that detects to shaft type part concentricity, bottom plate (1) up end both sides equal fixedly connected with fixing base (5).

2. The axle type part concentricity detection device according to claim 1, wherein the limiting component comprises a slide rail (3), the slide rail (3) is fixedly connected to one side of the upper end surface of the bottom plate (1) far away from the installation seat (15), the slide rail (3) is slidably connected with a first slide seat (2), the upper end of the first slide seat (2) is rotatably connected with a tip cone (6), and the first slide seat (2) is further provided with a locking knob (4) for fixing the position of the first slide seat (2).

3. The shaft part concentricity detection device according to claim 1, wherein the driving assembly comprises a driving pulley (10), the driving pulley (10) is installed at one end of the installation shaft (11) far away from the three-jaw chuck (9), a speed reduction motor (12) is fixedly connected to one side of the upper end surface of the bottom plate (1) close to the installation seat (15), a motor pulley is arranged at the output end of the speed reduction motor (12), and a transmission belt (13) is installed between the motor pulley and the driving pulley (10).

4. The axle part concentricity detection device according to claim 3, wherein the detection assembly comprises a second sliding seat (25), the second sliding seat (25) is fixedly connected to one side, close to the axle part, of the sliding block (8), a vertical sliding rod (28) is slidably connected to the second sliding seat (25), a chassis (27) is arranged at the lower end of the vertical sliding rod (28), a top pressure spring (26) penetrates through a position, between the chassis (27) and the second sliding seat (25), of the vertical sliding rod (28), a second conductive contact (24) is fixedly connected to the upper end of the vertical sliding rod (28), a mounting vertical plate (20) is further fixedly connected to the position, close to the second sliding seat (25), of the upper end face of the sliding block (8), a sliding sleeve (18) is slidably connected to the mounting vertical plate (20), a first fixing knob (19) for fixing the sliding sleeve (18) is arranged on the sliding sleeve (18), a first fixing frame (21) is fixedly connected to one side, close to the second conductive seat (24), a first fixing frame (21) is fixedly connected to the lower end of the sliding sleeve (18), a hard spring fixing frame (22) is fixedly connected to the lower end of the sliding block (23), and a hard spring assembly is used for measuring the sliding block (8).

5. The axle type part concentricity detection equipment of claim 4, wherein, measuring component includes second mount (17), second mount (17) fixed connection is in sliding block (8) the one side that is close to second sliding seat (25), sliding connection has installation cover (30) on second mount (17), be equipped with second fixed knob (31) that are used for fixed installation cover (30) on installation cover (30), install percentage table (32) on installation cover (30).

6. The shaft part concentricity detection device according to claim 4, wherein the lower end of the vertical slide rod (28) is further provided with a steel ball (29) capable of rolling.

7. The shaft part concentricity detection device according to claim 4, wherein an alarm (14) is further arranged on one side of the upper end face of the bottom plate (1), a controller (16) is arranged at a position, close to the alarm (14), of the upper end of the bottom plate (1), and the speed reduction motor (12), the first conductive contact (23) and the second conductive contact (24) are electrically connected with the controller (16).

8. The axle type part concentricity detection device according to claim 4, wherein the surface of the mounting riser (20) is further engraved with distance scales.

9. The axle part concentricity detection equipment of claim 5, wherein the second fixing knob (31) and the first fixing knob (19) are provided with finger grooves for preventing slipping at the edge positions.

Images