Gantry type three-coordinate measuring machine guide rail adjustable connecting mechanism

Abstract

The utility model relates to an adjustable connecting mechanism for a guide rail of a gantry type three-coordinate measuring machine, which is arranged between the guide rail and a base and comprises an upper seat, a lower seat and a lower seat, the base is arranged on the base; the hemisphere is arranged in the upper seat and is used for fine angle adjustment; the adjustable screw rod is arranged on the hemisphere and is used for adjusting the distance between the upper seat and the base; and the screw penetrates through the adjustable screw rod and the hemisphere and is connected with the upper seat. The position of the guide rail is adjusted by rotating the adjustable screw rod and adjusting the position between the upper seat and the base, so that the accuracy of the guide rail meets the use requirement, then the screws are fastened, and finally the fastening screws on the upper seat and the base are mounted, so that the guide rail and the base are connected and fastened.

Description

Technical Field

[0001] The utility model relates to the technical field of three-coordinate measuring machines, in particular to an adjustable guide rail connecting mechanism for a gantry type three-coordinate measuring machine. Background Art

[0002] For gantry-type three-dimensional coordinate measuring machines, the guide rails are usually installed on the base. Generally, the gantry-type three-dimensional coordinate measuring machine has a long guide rail and multiple bases are set. In order to ensure the accuracy of the guide rail after connection, the position of the guide rail should be adjustable during connection. After the accuracy meets the requirements, the guide rail and the base need to be connected to ensure the reliability of the equipment. Generally, the gantry-type three-dimensional coordinate measuring machine separates the adjustment mechanism from the connection mechanism, and the structure is relatively complicated, and the adjustment and connection process is also slightly complicated. Utility Model Content

[0003] In view of this, the utility model proposes an adjustable guide rail connection mechanism for a gantry type three-coordinate measuring machine, aiming to solve the problems existing in the prior art.

[0004] Specifically, the utility model provides a gantry type three-coordinate measuring machine guide rail adjustable connection mechanism, which is arranged between the guide rail and the base, and includes:

[0005] An upper seat disposed below the guide rail;

[0006] a base disposed on the base;

[0007] A hemisphere disposed in the upper seat for fine-tuning the angle;

[0008] An adjustable screw rod disposed on the hemisphere for adjusting the distance between the upper seat and the base;

[0009] and a screw passing through the adjustable screw rod and the hemisphere and connected to the upper seat.

[0010] On the basis of the above solution, the upper seat includes a first bottom plate and a first cylindrical boss;

[0011] A tapered hole in contact with the hemisphere is arranged at the end of the first cylindrical boss.

[0012] On the basis of the above scheme, it also includes: a disc spring group arranged on the screw for bearing axial load.

[0013] On the basis of the above solution, the base is provided with a through hole matched with the adjustable screw along its central axis direction, and an internal thread matching with the external thread of the adjustable screw is provided on the inner side wall of the through hole.

[0014] Based on the above solution, a socket for connecting with an external tool to rotate the adjustable screw is provided on the side wall of the adjustable screw.

[0015] Based on the above solution, six sockets are evenly distributed along the circumferential direction on the side wall of the adjustable screw.

[0016] On the basis of the above solution, the side walls of the upper seat and the base are both provided with threaded holes perpendicular to the central axis thereof, and fastening screws are arranged in the threaded holes.

[0017] The utility model inserts a spanner into the socket of the adjustable screw to rotate the adjustable screw, adjusts the position between the upper seat and the base, and then adjusts the position of the guide rail, so that the accuracy of the guide rail meets the use requirements, combines the adjustment mechanism with the connection mechanism, and has a simple overall structure; at the same time, the conical surface and the spherical surface are fitted, and the adjustment mechanism is flexible. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] By reading the detailed description of the preferred embodiment below, various other advantages and benefits will become clear to those of ordinary skill in the art. The accompanying drawings are only used for the purpose of illustrating the preferred embodiment and are not considered to be limiting of the present invention. Moreover, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0019] Figure 1 The utility model is a schematic diagram of the structure of the adjustable guide rail connection mechanism of the gantry type three-coordinate measuring machine. DETAILED DESCRIPTION

[0020] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided in order to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art. It should be noted that, in the absence of conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0021] like Figure 1 As shown, a gantry type three-coordinate measuring machine guide rail adjustable connecting mechanism, the adjustable connecting mechanism is arranged on the guide rail, and the adjustable connecting mechanism includes:

[0022] An upper seat 1 arranged below the guide rail;

[0023] A hemisphere 2 is arranged in the upper seat 1;

[0024] An adjustable screw 3 is arranged on the hemisphere 2;

[0025] A screw 6 that passes through the adjustable screw rod 3 and the hemisphere 2 and is connected to the upper seat 1;

[0026] and a base 7 arranged on the base and arranged outside the adjustable screw rod 3 .

[0027] The hemisphere 2 is provided with a through hole perpendicular to the end surface along its central axis.

[0028] As a specific implementation scheme, a disc spring group 5 for bearing axial load is arranged on the screw 6; specifically, the disc spring group 5 is composed of a plurality of disc springs stacked together, and different combinations are adopted according to usage conditions.

[0029] As a specific implementation scheme, the base 7 is provided with a through hole matched with the adjustable screw 3 along its central axis direction, and an internal thread matching with the external thread of the adjustable screw 3 is provided on the inner side wall of the through hole.

[0030] As a specific embodiment, the upper seat 1 includes a first base plate 1-1 and a first cylindrical boss 1-2, a conical hole 1-2-1 is arranged at the end of the first cylindrical boss 1-2, a first threaded hole 1-2-2 is arranged on the upper seat 1 along the central axis direction, wherein the first threaded hole 1-2-2 and the conical hole 1-2-1 are coaxially arranged, and one side of the first base plate 1-1 is installed on the guide rail.

[0031] As a specific implementation scheme, a threaded hole 1-2-3 perpendicular to the first threaded hole 1-2-2 is provided on the side wall of the first cylindrical boss 1-2, and a fastening screw 4 for connecting with the screw 6 is provided in the threaded hole 1-2-3 to make the connection more reliable.

[0032] As a specific implementation scheme, a socket 3-1 for connecting with an external tool to rotate the adjustable screw 3 is provided on the side wall of the adjustable screw 3; a socket for inserting a wrench is provided outside the adjustable screw cylinder, so that the adjustment is convenient and labor-saving. By rotating the adjustable screw 3, the position between the upper seat 1 and the base 7 is adjusted, and then the position of the guide rail is adjusted so that the guide rail accuracy meets the use requirements. Specifically, one end of the adjustable screw 3 is cylindrical, and a circular sink is provided at the end. The side wall of the adjustable screw 3 is provided with six sockets 3-1 perpendicular to the central axis. The other end of the adjustable screw 3 is a concentric external threaded column, and the adjustable screw is provided with a through hole along the central axis.

[0033] The arc surface of the hemisphere 2 contacts the conical hole 1-2-1, and the spherical cap plane abuts against the circular sink at the end of the adjustable screw 3, and the conical surface and the spherical surface are abutted to meet the needs of flexible adjustment. The external thread column of the adjustable screw 3 is a fine pitch thread.

[0034] As a specific implementation scheme, the base 7 is fixed on the pedestal, and the base 7 has a similar structure to the upper seat 1. The base 7 includes a second bottom plate and a second cylindrical boss arranged on the second bottom plate. A threaded hole is provided on the side wall of the second cylindrical boss, in which a fastening screw 4 fixedly connected to the adjustable screw 3 is installed. The external threaded column of the adjustable screw 3 cooperates with the internal threaded hole of the second cylindrical boss, and the cylindrical end thereof is located opposite to the mounting surface of the base 7; the disc spring group 5 is passed through the screw rod of the screw 6 and is close to the screw head side, and the threaded end of the screw 6 is successively passed through the center holes of the adjustable screw 3 and the hemisphere 2, and finally screwed into the first threaded hole 1-2-2 of the upper seat 1.

[0035] In the above scheme, the base: specifically, the Y-guide rail mounting base of the three-dimensional coordinate measuring machine.

[0036] Working principle:

[0037] By inserting a wrench into the socket 3-1 of the adjustable screw and rotating the adjustable screw 3, the position between the upper seat 1 and the base 7 is adjusted, and then the position of the guide rail is adjusted so that the guide rail accuracy meets the use requirements, and then the screw 6 is tightened, and finally the fastening screw 4 on the upper seat 1 and the base 7 is screwed in to ensure that the guide rail and the base are tightly connected, thereby playing the role of adjustment and connection.

[0038] The utility model discloses a gantry type three-coordinate measuring machine guide rail adjustable connecting mechanism, which not only ensures a large installation adjustment margin, labor-saving adjustment, and convenient installation, but also has the advantages of reliable connection due to the provision of a locking mechanism, simple structure, low parts precision, and convenient processing.

[0039] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A gantry type three-coordinate measuring machine guide rail adjustable connection mechanism, arranged between the guide rail and the base, characterized in that: include: An upper seat (1) disposed below the guide rail; A base (7) disposed on the base; A hemisphere (2) disposed in the upper seat (1) and used for fine-tuning the angle; An adjustable screw (3) disposed on the hemisphere (2) and used for adjusting the distance between the upper seat (1) and the base (7); and a screw (6) passing through the adjustable screw rod (3) and the hemisphere (2) and connected to the upper seat (1).

2. The gantry type three-coordinate measuring machine guide rail adjustable connection mechanism according to claim 1, characterized in that: The upper seat (1) comprises a first bottom plate (1-1) and a first cylindrical boss (1-2); A conical hole (1-2-1) in contact with the hemisphere (2) is provided at the end of the first cylindrical boss (1-2).

3. The adjustable guide rail connection mechanism of a gantry type three-dimensional coordinate measuring machine according to claim 1, characterized in that: Also includes: A disc spring assembly (5) arranged on the screw (6) and used for bearing axial load.

4. The adjustable guide rail connection mechanism of a gantry type three-dimensional coordinate measuring machine according to claim 1, characterized in that: The base (7) is provided with a through hole matching the adjustable screw rod (3) along its central axis direction, and an internal thread matching the external thread of the adjustable screw rod (3) is provided on the inner side wall of the through hole.

5. The adjustable guide rail connection mechanism of a gantry type three-dimensional coordinate measuring machine according to claim 1, characterized in that: A plurality of sockets (3-1) for connecting with an external tool to rotate the adjustable screw (3) are arranged on the side wall of the adjustable screw (3).

6. The adjustable guide rail connection mechanism of a gantry type three-dimensional coordinate measuring machine according to claim 5, characterized in that: Six sockets (3-1) are evenly distributed along the circumference on the side wall of the adjustable screw rod (3).

7. The adjustable guide rail connection mechanism of a gantry type three-dimensional coordinate measuring machine according to claim 1, characterized in that: The side walls of the upper seat (1) and the base (7) are both provided with threaded holes perpendicular to their central axes, and fastening screws (4) are arranged in the threaded holes.

Images