CN217953381U

CN217953381U - Concentricity detection device

Info

Publication number: CN217953381U
Application number: CN202221389520.2U
Authority: CN
Inventors: 缪习川
Original assignee: Zhejiang Haitao Precision Machinery Co ltd
Current assignee: Zhejiang Haitao Precision Machinery Co ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-12-02
Anticipated expiration: 2032-06-06

Abstract

The utility model relates to the technical field of concentricity detection devices, in particular to a concentricity detection device, which comprises an inner hole measuring mechanism, an outer circle measuring mechanism and a positioning rotation supporting mechanism; the inner hole measuring mechanism comprises a first dial indicator, a first gauge stand, a first sliding table and a first sliding rail, the outer circle measuring mechanism comprises a second dial indicator, a second gauge stand, a second sliding table and a second sliding rail, and the positioning rotary supporting mechanism comprises a positioning plate, a supporting block, a bottom plate, a bearing seat, a main shaft and a positioning disc. The concentricity detection device mainly comprises an inner hole measurement mechanism, an outer circle measurement mechanism and a positioning rotation support mechanism, wherein power sources of movement mechanisms of the three parts are manual, and the concentricity detection device can realize the functions of initial positioning of a workpiece, concentricity detection of inner and outer circles of a product and the like. The concentricity detection device is compact in appearance design, suitable for aluminum die-casting forming parts, casting forming parts and powder metallurgy parts, and good in practicability.

Description

Concentricity detection device

Technical Field

The utility model relates to a concentricity detection device technical field specifically is a concentricity detection device.

Background

In the process of mass production, the sizes of all parts of the product need to be inspected and measured, whether the product is qualified or not is judged, and the production precision of the product is guaranteed.

The device to product concentricity detects that has now can only carry out single detection operation to the interior circle or the excircle of product mostly when using, leads to the practicality of device lower, consequently, needs a concentricity detection device that can detect the product interior excircle synchronization in urgent need to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a concentricity detection device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a concentricity detection device comprises an inner hole measuring mechanism, an outer circle measuring mechanism and a positioning rotary supporting mechanism; the inner hole measuring mechanism is used for measuring the concentricity of an inner hole of a workpiece and comprises a first dial indicator, a first gauge seat, a first sliding table and a first sliding rail, wherein the first dial indicator is fixed on the first gauge seat;

the excircle measuring mechanism is used for measuring the concentricity of the excircle of the workpiece and comprises a second dial indicator, a second gauge seat, a second sliding table and a second sliding rail, wherein the second dial indicator is fixed on the second gauge seat;

the positioning rotary supporting mechanism is arranged between the inner hole measuring mechanism and the outer circle measuring mechanism and comprises a positioning plate, a supporting block, a bottom plate, a bearing seat, a main shaft and a positioning disc, the supporting block is fixed on one side of the bottom plate, the positioning plate is fixed at the top end of the supporting block, and the first slide rail is fixed on the positioning plate; the second sliding rail is fixed on the other side of the bottom plate; the main shaft is rotatably arranged in the bearing seat, the bearing seat is fixed on the positioning plate, the positioning plate is fixed at the top end of the main shaft, and the workpiece is arranged on the positioning plate.

Preferably, the top end of the supporting block is provided with an installation inclined surface inclined towards one side of the workpiece, and the positioning plate is fixed on the installation inclined surface.

Preferably, the first sliding table and the second sliding table are both in threaded connection with locking nuts used for locking the sliding tables, and the locking nuts are provided with rotating handles.

Preferably, the two sides of the first sliding rail are provided with positioning pins for positioning the first sliding rail, and the positioning pins are further used for limiting the moving distance of the first sliding table.

Preferably, the two sides of the second slide rail are also provided with positioning pins for positioning the second slide rail, and the positioning pins are used for limiting the moving distance of the second sliding table.

Preferably, the positioning and rotating support mechanism further comprises an upper bearing and a lower bearing, and the upper bearing and the lower bearing are both mounted on the main shaft in the bearing block.

Preferably, the lower bearing, the bearing seat, the upper bearing, the main shaft and the positioning disc are concentrically arranged.

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

1. the utility model provides a pair of concentricity detection device, this concentricity detection device mainly comprise hole measuring mechanism, excircle measuring mechanism, the rotatory supporting mechanism triplex of location, and the motion mechanism power supply of triplex is manual, can realize functions such as concentricity detection to the initial positioning of work piece, product inside and outside circle through above-mentioned triplex.

2. The utility model provides a pair of concentricity detection device, this concentricity detection device appearance design is compact, is applicable to aluminium die-casting shaping part, casting shaping part and powder metallurgy part, has fine practicality.

Drawings

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

FIG. 2 is a schematic view of the detailed structure of the present invention;

fig. 3 is a cross-sectional view of the present invention.

In the figure: 1. a first percentile table; 2. a first gauge stand; 3. a first sliding table; 4. a first slide rail; 5. positioning a plate; 6. a support block; 7. a base plate; 8. a lower bearing; 9. a bearing seat; 10. an upper bearing; 11. a main shaft; 12. positioning a plate; 13. a workpiece; 14. a second gauge stand; 15. a second dial indicator; 16. a second sliding table; 17. a second slide rail; 18. and locking the nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the 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 invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, 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 meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a concentricity detection device comprises an inner hole measuring mechanism, an outer circle measuring mechanism and a positioning rotary supporting mechanism; the inner hole measuring mechanism is used for measuring the concentricity of an inner hole of the workpiece 13 and comprises a first dial indicator 1, a first gauge stand 2, a first sliding table 3 and a first sliding rail 4, wherein the first dial indicator 1 is fixed on the first gauge stand 2, the first gauge stand 2 is fixed on the upper surface of the first sliding table 3, and the first sliding table 3 is slidably mounted on the first sliding rail 4;

the excircle measuring mechanism is used for measuring the concentricity of the excircle of the workpiece 13, and comprises a second dial indicator 15, a second gauge seat 14, a second sliding table 16 and a second sliding rail 17, wherein the second dial indicator 15 is fixed on the second gauge seat 14, the second gauge seat 14 is fixed on the second sliding table 16, and the second sliding table 16 is slidably mounted on the second sliding rail 17;

the positioning rotation supporting mechanism is arranged between the inner hole measuring mechanism and the outer circle measuring mechanism and comprises a positioning plate 5, a supporting block 6, a bottom plate 7, a bearing seat 9, a main shaft 11 and a positioning plate 12, the supporting block 6 is fixed on one side of the bottom plate 7, the positioning plate 5 is fixed at the top end of the supporting block 6, and the first sliding rail 4 is fixed on the positioning plate 5; the second slide rail 17 is fixed on the other side of the bottom plate 7; the main shaft 11 is rotatably installed in the bearing seat 9, the bearing seat 9 is fixed on the positioning plate 5, the positioning plate 12 is fixed at the top end of the main shaft 11, and the workpiece 13 is arranged on the positioning plate 12.

Further, the top end of the support block 6 is provided with an installation inclined surface inclined toward the workpiece 13 side, and the positioning plate 5 is fixed on the installation inclined surface.

Further, the first sliding table 3 and the second sliding table 16 are both in threaded connection with a locking nut 18 for locking the sliding tables, and a rotating handle is arranged on the locking nut 18.

Furthermore, the two sides of the first slide rail 4 are provided with positioning pins for positioning the first slide rail 4, and the positioning pins are also used for limiting the moving distance of the first sliding table 3.

Further, positioning pins for positioning the second slide rail 17 are also provided on both sides of the second slide rail 17, and the positioning pins are used for limiting the moving distance of the second slide table 16.

Furthermore, the positioning and rotating support mechanism further comprises an upper bearing 10 and a lower bearing 8, and the upper bearing 10 and the lower bearing 8 are both mounted on a main shaft 11 in a bearing seat 9.

Further, the lower bearing 8, the bearing seat 9, the upper bearing 10, the main shaft 11 and the positioning disk 12 are concentrically arranged.

The working principle is as follows: when the device is in an initial state, the inner hole measuring device and the outer circle measuring device are in a return state, an operator firstly places the workpiece 13 on the clamping groove of the positioning disc 12, and at the moment, the middle parts of the positioning disc 12 and the workpiece 13 are in a concentric state.

An operator moves the first sliding table 3 on the first sliding rail 4 towards the workpiece 13 by hand, when the gauge head of the first dial indicator 1 contacts the inner circle of the workpiece 13, the numerical value of the dial indicator is adjusted, and the first sliding table 3 is locked through the corresponding locking nut 18.

Then, the operator moves the second sliding table 16 on the second slide rail 17 in the same way toward the workpiece 13, adjusts the numerical value of the dial indicator when the head of the second dial indicator 15 contacts the outer circle of the workpiece 13, and locks the second sliding table 16 through the corresponding locking nut 18.

The operator rotates the positioning plate 12 by hand for one circle, and simultaneously, the operator visually inspects the jumping values of the first dial indicator 1 and the second dial indicator 15 to see whether the jumping values are within the set range of the workpiece 13.

If the range is within the range, the workpiece 13 is qualified, otherwise, the workpiece is judged to be unqualified. After the measurement is completed, the first sliding table 3 and the second sliding table 16 are respectively moved reversely to the workpiece 13 to return states, and then the workpiece 13 is taken out, so that a complete operation is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a concentricity detection device which characterized in that: the device comprises an inner hole measuring mechanism, an outer circle measuring mechanism and a positioning rotary supporting mechanism; the inner hole measuring mechanism is used for measuring the concentricity of an inner hole of a workpiece (13), and comprises a first dial indicator (1), a first gauge stand (2), a first sliding table (3) and a first sliding rail (4), wherein the first dial indicator (1) is fixed on the first gauge stand (2), the first gauge stand (2) is fixed on the upper surface of the first sliding table (3), and the first sliding table (3) is slidably mounted on the first sliding rail (4);

the excircle measuring mechanism is used for measuring the concentricity of the excircle of the workpiece (13), and comprises a second dial indicator (15), a second gauge stand (14), a second sliding table (16) and a second sliding rail (17), wherein the second dial indicator (15) is fixed on the second gauge stand (14), the second gauge stand (14) is fixed on the second sliding table (16), and the second sliding table (16) is slidably mounted on the second sliding rail (17);

the positioning rotation supporting mechanism is arranged between the inner hole measuring mechanism and the outer circle measuring mechanism and comprises a positioning plate (5), a supporting block (6), a bottom plate (7), a bearing seat (9), a main shaft (11) and a positioning disc (12), the supporting block (6) is fixed on one side of the bottom plate (7), the positioning plate (5) is fixed at the top end of the supporting block (6), and a first sliding rail (4) is fixed on the positioning plate (5); the second sliding rail (17) is fixed on the other side of the bottom plate (7); the main shaft (11) is rotatably installed in the bearing seat (9), the bearing seat (9) is fixed on the positioning plate (5), the positioning plate (12) is fixed at the top end of the main shaft (11), and the workpiece (13) is arranged on the positioning plate (12).

2. A concentricity detection apparatus according to claim 1, wherein: the top end of the supporting block (6) is provided with an installation inclined surface inclined towards one side of the workpiece (13), and the positioning plate (5) is fixed on the installation inclined surface.

3. A concentricity detection apparatus according to claim 1, wherein: and the first sliding table (3) and the second sliding table (16) are in threaded connection with locking nuts (18) for locking the sliding tables, and the locking nuts (18) are provided with rotating handles.

4. A concentricity detection apparatus according to claim 1, wherein: the two sides of the first sliding rail (4) are provided with positioning pins for positioning the first sliding rail (4), and the positioning pins are further used for limiting the moving distance of the first sliding table (3).

5. A concentricity detection apparatus according to claim 1, wherein: and positioning pins for positioning the second sliding rail (17) are also arranged on two sides of the second sliding rail (17), and the positioning pins are used for limiting the moving distance of the second sliding table (16).

6. A concentricity detection apparatus according to claim 1, wherein: the positioning and rotating support mechanism further comprises an upper bearing (10) and a lower bearing (8), wherein the upper bearing (10) and the lower bearing (8) are both arranged on a main shaft (11) in the bearing seat (9).

7. A concentricity detection apparatus according to claim 6, wherein: the lower bearing (8), the bearing seat (9), the upper bearing (10), the main shaft (11) and the positioning disc (12) are arranged concentrically.