CN215413480U

CN215413480U - Axle type full runout detection device

Info

Publication number: CN215413480U
Application number: CN202121559965.6U
Authority: CN
Inventors: 范广森; 张双伟; 钟斌; 刘加佳; 张刘伟
Original assignee: Nanjing Sanfang Chemical Equipment Supervision Co ltd
Current assignee: Nanjing Sanfang Chemical Equipment Supervision Co ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2022-01-04
Anticipated expiration: 2031-07-09

Abstract

The utility model discloses a shaft full-run-out detection device which comprises a bottom plate, V-shaped blocks, a first support and a second support, wherein the two V-shaped blocks are arranged on the bottom plate in a sliding mode, grooves are formed in two inclined planes of each V-shaped block, rollers are arranged on the grooves in a rotating mode, and workpieces are arranged on the two V-shaped blocks in a rotating mode; the first support is arranged on the bottom plate in a sliding mode, a first supporting rod is arranged on the first support in a sliding mode, and a dial indicator is arranged at the lower end of the first supporting rod; the second support slides and sets up on the bottom plate, the second support is gone up to slide and is equipped with second branch, the lower extreme of second branch rotates and is provided with the runner, the wheel face of runner contacts with the surface of work piece, the lower extreme of second branch still is provided with electric motor, electric motor is connected with the runner transmission. The utility model can reduce the abrasion of the V-shaped block to the workpiece, prevent the surface of the workpiece from being damaged, ensure that the workpiece rotates more stably and reduce the detection error.

Description

Axle type full runout detection device

Technical Field

The utility model relates to the technical field of detection devices, in particular to a shaft full run-out detection device.

Background

In the machining process of precision parts, full run-out detection is a common tolerance detection item. At present, a common full-bounce detection method is to use two V-shaped blocks to make a part overhead, then push a dial indicator at a position to be detected, and then rotate the part to perform full-bounce detection on the part. But the contact area between the part and the V-shaped block is large, so that the surface of the part is easy to be damaged by friction in the rotating process, and the precision of the part is influenced; stability is relatively poor when the part is manually rotated, and errors are easily generated in the measuring process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a shaft full run-out detection device aiming at the defects of the prior art.

In order to solve the problems, the technical scheme adopted by the utility model is as follows:

a shaft full-run-out detection device comprises a bottom plate, V-shaped blocks, a first support and a second support, wherein the two V-shaped blocks are arranged on the bottom plate in a sliding mode, grooves are formed in two inclined planes of each V-shaped block and symmetrically arranged, rolling wheels are arranged on the grooves in a rotating mode, a workpiece is arranged on the two V-shaped blocks in a rotating mode, and the surface of the workpiece is in contact with the wheel surfaces of the rolling wheels; the first support is arranged on the bottom plate in a sliding mode, a first support rod is arranged on the first support in a sliding mode, a dial indicator is arranged at the lower end of the first support rod, and a probe of the dial indicator is in contact with the surface of the workpiece; the second support slides and sets up on the bottom plate, the second support is gone up to slide and is equipped with second branch, the lower extreme of second branch rotates and is provided with the runner, the wheel face of runner contacts with the surface of work piece, the lower extreme of second branch still is provided with electric motor, electric motor is connected with the runner transmission.

Furthermore, a baffle is arranged on one side, away from the first support, of the V-shaped block, and the baffle is abutted to the end face of the workpiece.

Furthermore, the bottom of V type piece is equipped with T type slider, be equipped with T type spout along length direction on the bottom plate, T type slider slides and sets up in T type spout.

Furthermore, a vertical downward threaded hole is formed in the V-shaped block, a locking screw is connected to the threaded hole in an inner threaded mode, and the lower end of the locking screw is abutted to the bottom plate.

Furthermore, an external thread is arranged on the first supporting rod, two first locking nuts are connected to the first supporting rod in a threaded mode, and the two first locking nuts are located above and below the first support respectively; the second support rod is provided with an external thread, the second support rod is connected with two second locking nuts through the thread, and the two second locking nuts are respectively located above and below the second support.

Further, the rotating wheel is a rubber wheel.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: according to the utility model, the workpiece is erected on the two V-shaped blocks, and the workpiece is not contacted with the V-shaped blocks but contacted with the roller rotationally arranged on the V-shaped blocks, so that the contact area is reduced, the rotation is more convenient, and the surface damage of the workpiece caused by friction is prevented; when the full-jump detection is carried out, the second supporting rod is slid to enable the rotating wheel to be in contact with the workpiece and tightly press the workpiece, then the second locking nut is screwed to enable the second supporting rod to be locked and fixed, the electric motor is started to enable the rotating wheel to rotate, so that the workpiece is driven to rotate, the electric motor continuously and uninterruptedly works, the workpiece can be driven to continuously and uniformly rotate, and errors are reduced in the detection process.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a perspective view of the V-block of the present invention.

In the figure: the device comprises a base plate 1, a V-shaped block 2, a first support 3, a second support 4, a groove 5, a roller 6, a workpiece 7, a first supporting rod 8, a dial indicator 9, a second supporting rod 10, a rotating wheel 11, an electric motor 12, a baffle 13, a T-shaped sliding block 14, a T-shaped sliding groove 15, a threaded hole 16, a locking screw 17, a first locking nut 18 and a second locking nut 19.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, the shaft full run-out detection device comprises a bottom plate 1, two V-shaped blocks 2, a first support 3 and a second support 4, wherein the two V-shaped blocks 2 are slidably arranged on the bottom plate 1, grooves 5 are respectively arranged on two inclined surfaces of each V-shaped block 2, the two grooves 5 are symmetrically arranged, the grooves 5 are rotatably provided with rollers 6, a workpiece 7 is rotatably arranged on the two V-shaped blocks 2, and the surface of the workpiece 7 is in contact with the wheel surface of each roller 6; the first support 3 is arranged on the bottom plate 1 in a sliding mode, a first support rod 8 is arranged on the first support 3 in a sliding mode, a dial indicator 9 is arranged at the lower end of the first support rod 8, and a probe of the dial indicator 9 is in contact with the surface of the workpiece 7; second support 4 slides and sets up on bottom plate 1, it is equipped with second branch 10 to slide on second support 4, the lower extreme of second branch 10 is rotated and is provided with runner 11, the wheel face of runner 11 contacts with the surface of work piece 7, the lower extreme of second branch 10 still is provided with electric motor 12, electric motor 12 is connected with 11 transmissions of runner.

According to the utility model, the workpiece 7 is erected on the two V-shaped blocks 2, and the workpiece 7 is in rolling contact with the roller 6, so that the workpiece 7 can rotate more stably, and errors are reduced in the measuring process; after the work piece 7 is erected and finished, slide first support 3 to the position of waiting to detect of work piece 7, slide first branch 8 again until the probe of percentage table 9 and the surface contact of work piece 7, it makes first branch 8 locking fixed to screw up first lock nut 18, slide second branch 10 to runner 11 and the contact of work piece 7, it is fixed that second branch 10 locking is screwed up to screw up second lock nut 19, start electric motor 12 and drive runner 11 and rotate, runner 11 and the contact of work piece 7 consequently drive work piece 7 and rotate, because work piece 7 has electric motor 12 to drive, therefore work piece 7 rotates more steadily, reduce detection error.

Furthermore, a baffle 13 is arranged on one side, away from the first support 3, of the V-shaped block 2, the baffle 13 abuts against the end face of the workpiece 7, and the baffle 13 is in contact with the end face of the workpiece 7, so that the workpiece 7 can be prevented from moving.

Further, the bottom of V type piece 2 is equipped with T type slider 14, be equipped with T type spout 15 along length direction on the bottom plate 1, T type slider 14 slides and sets up in T type spout 15.

Furthermore, a vertical downward threaded hole 16 is formed in the V-shaped block 2, a locking screw 17 is connected to the threaded hole in an inner threaded manner, and the lower end of the locking screw 17 is abutted to the bottom plate 1. Because the T-shaped sliding block 14 is arranged in the T-shaped sliding groove 15 in a sliding manner, the V-shaped block 2 can only slide left and right along the bottom plate 1 and cannot move up and down, and after the locking screw 17 is screwed down, the locking screw 17 can lock and fix the V-shaped block 2 on the bottom plate 1, so that the utility model can be suitable for workpieces 7 with different sizes and has wider practicability.

Further, an external thread is arranged on the first support rod 8, two first locking nuts 18 are connected to the first support rod 8 through the thread, and the two first locking nuts 18 are respectively located above and below the first support 3; the second support rod 10 is provided with an external thread, the second support rod 10 is connected with two second locking nuts 19 through the thread, and the two second locking nuts 19 are respectively positioned above and below the second support 4.

Furthermore, the runner 11 is a rubber wheel, and the rubber wheel can increase the friction force between the runner 11 and the workpiece 7, so as to prevent the phenomenon of slipping between the runner 11 and the workpiece 7.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The shaft full-runout detection device is characterized by comprising a bottom plate (1), two V-shaped blocks (2), a first support (3) and a second support (4), wherein the two V-shaped blocks (2) are arranged on the bottom plate (1) in a sliding mode, grooves (5) are formed in two inclined planes of each V-shaped block (2), the two grooves (5) are symmetrically arranged, rolling wheels (6) are rotatably arranged in the grooves (5), a workpiece (7) is rotatably arranged on the two V-shaped blocks (2), and the surface of the workpiece (7) is in contact with the wheel surfaces of the rolling wheels (6); the first support (3) is arranged on the bottom plate (1) in a sliding mode, a first supporting rod (8) is arranged on the first support (3) in a sliding mode, a dial indicator (9) is arranged at the lower end of the first supporting rod (8), and a probe of the dial indicator (9) is in contact with the surface of the workpiece (7); second support (4) slide and set up on bottom plate (1), it is equipped with second branch (10) to slide on second support (4), the lower extreme of second branch (10) is rotated and is provided with runner (11), the wheel face of runner (11) contacts with the surface of work piece (7), the lower extreme of second branch (10) still is provided with electric motor (12), electric motor (12) are connected with runner (11) transmission.

2. The shaft type full runout detection device according to claim 1, wherein a baffle (13) is arranged on one side of the V-shaped block (2) away from the first bracket (3), and the baffle (13) abuts against the end face of the workpiece (7).

3. The shaft type full runout detection device according to claim 1, wherein a T-shaped sliding block (14) is arranged at the bottom of the V-shaped block (2), a T-shaped sliding groove (15) is arranged on the bottom plate (1) along the length direction, and the T-shaped sliding block (14) is slidably arranged in the T-shaped sliding groove (15).

4. The shaft type full runout detection device according to claim 3, wherein a vertically downward threaded hole (16) is formed in the V-shaped block (2), a locking screw (17) is connected to the threaded hole in a threaded manner, and the lower end of the locking screw (17) is abutted to the bottom plate (1).

5. The shaft type full runout detection device according to claim 1, wherein the first support rod (8) is provided with an external thread, two first locking nuts (18) are connected to the first support rod (8) in a threaded manner, and the two first locking nuts (18) are respectively positioned above and below the first bracket (3); the novel support is characterized in that an external thread is arranged on the second support rod (10), two second locking nuts (19) are connected to the second support rod (10) in a threaded mode, and the two second locking nuts (19) are located above and below the second support (4) respectively.

6. The shaft type full runout detecting device according to claim 1, characterized in that the rotating wheel (11) is a rubber wheel.