CN213470294U

CN213470294U - Size checking fixture

Info

Publication number: CN213470294U
Application number: CN202021901573.9U
Authority: CN
Inventors: 金丽英; 毕伟峰; 余乐烽
Original assignee: FUJIAN WEINO CNC CO LTD
Current assignee: FUJIAN WEINO CNC CO LTD
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-06-18
Anticipated expiration: 2030-09-03

Abstract

The utility model provides a dimension checking fixture, which comprises a positioning part, a correcting part and a locking part, wherein the positioning part and the locking part are arranged at the two ends of the guiding part; the alignment portion includes first alignment portion and second alignment portion, and first alignment portion and second alignment portion are the cube, and thickness such as second alignment portion and first alignment portion is set up in first alignment portion one end side, and second alignment portion and first alignment portion one end bottom surface are located the coplanar. Controlling the size between the fixture stroke fixing block and the guide block and the parallelism of the two guide surfaces by the size gauge; the position of the locking part is limited by the support nail leaning against the fixed-stroke facing side surface of the fixed-stroke block; the positioning surface of the guide part is tightly leaned against the guide surface of the clamp through a pair of locking screws.

Description

Size checking fixture

Technical Field

The invention relates to the field of machine tool checking tools, in particular to a checking tool for size adjustment and parallel alignment required during clamp assembly.

Background

The headstock is an important part of the machine tool and is used for arranging the machine tool working spindle and its drive parts and corresponding additional mechanisms. The main spindle box is a complex transmission component and comprises a main spindle assembly, a reversing mechanism, a transmission mechanism, a braking device, an operating mechanism, a lubricating device and the like. The main function of the device is to support the main shaft and make the main shaft rotate, thus realizing the functions of starting, braking, speed changing, reversing and the like of the main shaft.

In the machining of the spindle box, because the space is limited, the guide surfaces of the two guide blocks are not in the same straight line, and therefore a special measuring tool is needed to control the deviation and the parallelism tolerance between the two guide surfaces.

A size gauge is needed to solve the problems of controlling the size deviation and the parallelism tolerance of two guide surfaces.

Disclosure of Invention

The invention provides a size gauge, which solves the problem that in the prior art, in the machining of a spindle box, because the space is limited, the guide surfaces of two guide blocks are not in the same straight line, and therefore a special measuring gauge is needed to control the deviation and parallelism tolerance between the two guide surfaces.

The invention provides a dimension checking fixture, which comprises a positioning part, an alignment part and a locking part, wherein the positioning part and the locking part are respectively arranged at two ends of the alignment part; the alignment portion comprises a first alignment portion and a second alignment portion, the first alignment portion and the second alignment portion are cubes, the second alignment portion and the first alignment portion are equal in thickness, the second alignment portion is arranged on one end side face of the first alignment portion, and bottom faces of the second alignment portion and one end of the first alignment portion are located on the same plane.

As a preferable mode, the second alignment part is parallel to the positioning surface of the first alignment part, and the distance between the second alignment part and the positioning surface of the first alignment part is 30 mm.

The first alignment part and the second alignment part are arranged in an L type and are used for controlling the size and the parallelism between the guide surfaces of the two guide blocks of the clamp.

The invention relates to a size gauge, which is a preferable mode, wherein a positioning part comprises a first positioning block, a second positioning block, a supporting nail and a first locking screw, one end of the first positioning block is vertically connected with one end of the second positioning block, the other end of the first positioning block is vertically connected with one end of the first aligning part, which is not provided with the second aligning part, a hole which is vertical to a combining surface of the first positioning block and the second positioning block is arranged in the first positioning block, the supporting nail is arranged in the hole which is vertical to the combining surface, the supporting part and the second positioning block are arranged on the same side of the first positioning block, the second positioning block is provided with the first locking screw hole, the first locking screw is arranged in the first locking screw hole, and the supporting nail is vertical to the axial lead of the first locking screw.

The first locking screw is used for locking the first guide block, the opposite surface of the locking surface of the first locking screw is the first guide surface of the stroke fixing block, the distance and the parallelism of the size are determined by the same-direction side edges of the first positioning block and the second positioning block, the supporting nail is supported on the vertical side surface of the guide surface of the first guide block, and the size of the supporting nail in the height direction is fixed and unadjustable and is used for fixing and supporting.

As a preferable mode, the end face of the first locking screw is parallel to the positioning face of the first alignment part.

The invention relates to a dimension checking fixture, which is a preferable mode, wherein a locking part comprises a locking connecting part, a locking part support, an alignment block locking support and a second locking screw, two ends of the locking part support are respectively connected with the locking connecting part and the alignment block locking support, the alignment block locking support and the locking connecting part are arranged in parallel and are arranged on two opposite side surfaces of the locking part support, the locking connecting part is arranged on a connecting surface of a first alignment part and a second alignment part and is connected with a first guide part, the connecting position is positioned on the inner side of the connecting position of the second guide part and the first guide part, a second locking screw hole with the axis vertical to the positioning surface of the alignment part is arranged on the alignment block locking support, and the second locking screw hole is internally provided with the second locking screw.

The second locking screw is used for locking the second guide block, and the opposite surface of the locking surface of the second locking screw is the second guide surface. The second locking screw and the second alignment part are used in groups, so that the clamping and positioning of the second guide block of the clamp are realized.

As a preferable mode, the length of the locking part support is larger than the height of the second alignment part.

The size alignment tool is used for controlling the size of 30mm and the parallelism of the two guide surfaces.

The invention has the following beneficial effects:

(1) controlling the size and the parallelism between the guide surfaces of the two guide blocks of the clamp through a size gauge;

(2) positioning of the dimension checking fixture in the assembling, debugging and using process of the fixture is realized through the supporting nail;

(3) two positioning surfaces of the size checking fixture are attached to two guide surfaces of the fixture through the arrangement of the pair of locking screws, so that the two guide blocks are accurately positioned.

Drawings

FIG. 1 is a schematic view of a dimensional inspection tool;

FIG. 2 is a schematic view of a positioning portion of a dimension checking fixture;

FIG. 3 is a schematic view of a guide portion of a dimension checking fixture;

fig. 4 is a schematic view of a locking portion of a dimension checking fixture.

Reference numerals:

1. a positioning part; 11. a first positioning block; 12. a second positioning block; 13. a support pin; 14. a first locking screw; 2. a guide portion; 21. a first guide portion; 22. a second guide portion; 3. a locking portion; 31. a locking connection; 32. a locking part bracket; 33. the guide block locks the bracket; 34. a second locking screw; 01. a first guide block; 02. and a second guide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1

As shown in fig. 1, a dimension testing fixture includes a positioning portion 1, a positioning portion 2 and a locking portion 3, wherein the positioning portion 1 and the locking portion 3 are respectively disposed at two ends of the positioning portion 2.

As shown in fig. 2, the positioning portion 1 includes a first positioning block 11, a second positioning block 12, a supporting nail 13 and a first locking screw 14, one end of the first positioning block 11 is vertically connected to one end of the second positioning block 12, the other end of the first positioning block 11 is vertically connected to the end of the first locating portion 21 where the second locating portion 22 is not located, the first positioning block 11 is provided with a hole perpendicular to the joint surface of the first positioning block 11 and the second positioning block 12, the supporting nail 13 is disposed in the hole perpendicular to the joint surface, and the supporting portion is on the same side as the second positioning block 12, the second positioning block 12 is provided with a first locking screw hole, the first locking screw 14 is disposed in the first locking screw hole, and the supporting nail 13 is perpendicular to the axial lead of the first locking screw 14.

As shown in fig. 3, the alignment part 2 includes a first alignment part 21 and a second alignment part 22, the first alignment part 21 and the second alignment part 22 are cubic, the second alignment part 22 and the first alignment part 21 have equal thickness, the second alignment part 22 is disposed on one end of the first alignment part 21, and the bottom surfaces of the second alignment part 22 and the first alignment part 21 are located on the same plane. The second alignment part 22 is parallel to the positioning surface of the first alignment part 21 and has a distance of 30 mm.

As shown in fig. 4, the locking portion 3 includes a locking connection portion 31, a locking portion bracket 32, an alignment block locking bracket 33 and a second locking screw 34, the two ends of the locking portion bracket 32 are respectively connected to the locking connection portion 31 and the alignment block locking bracket 33, the alignment block locking bracket 33 is parallel to the locking connection portion 31 and is disposed on two opposite side surfaces of the locking portion bracket 32, the locking connection portion 31 is disposed on the first alignment portion 21 and is connected to the second alignment portion 22, a second locking screw hole whose axis is perpendicular to the positioning surface of the alignment portion 2 is disposed on the alignment block locking bracket 33, and the second locking screw 34 is disposed inside the second locking screw hole. The locking part bracket 32 has a length greater than the height of the second aligning part 22.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a utensil is examined to size which characterized in that: the device comprises a positioning part (1), an alignment part (2) and a locking part (3), wherein the positioning part (1) and the locking part (3) are respectively arranged at two ends of the alignment part (2); the alignment part (2) comprises a first alignment part (21) and a second alignment part (22), the first alignment part (21) and the second alignment part (22) are cubes, the second alignment part (22) and the first alignment part (21) have the same thickness, the second alignment part (22) is arranged on one end side face of the first alignment part (21), and the bottom faces of the second alignment part (22) and one end of the first alignment part (21) are located on the same plane.

2. A dimensional testing fixture according to claim 1, wherein: the second alignment part (22) is parallel to the positioning surface of the first alignment part (21) and has a distance of 30 mm.

3. A dimensional testing fixture according to claim 1, wherein: the positioning part (1) comprises a first positioning block (11), a second positioning block (12), a supporting nail (13) and a first locking screw (14), one end of the first positioning block (11) is vertically connected with one end of the second positioning block (12), the other end of the first positioning block (11) is vertically connected with one end of the first alignment part (21) which is not provided with the second alignment part (22), the first positioning block (11) is provided with a hole which is vertical to the combined surface of the first positioning block (11) and the second positioning block (12), the supporting nail (13) is arranged in the hole which is vertical to the combined surface, the supporting part is arranged at the same side of the second positioning block (12), the second positioning block (12) is provided with a first locking screw hole, the first locking screw (14) is arranged in the first locking screw hole, and the supporting nail (13) is perpendicular to the axial lead of the first locking screw (14).

4. A dimensional testing fixture according to claim 3, wherein: the end face of the first locking screw (14) is parallel to the positioning face of the first alignment part (21).

5. A dimensional testing fixture according to claim 1, wherein: locking portion (3) are including locking connecting portion (31), locking portion support (32), alignment piece locking support (33) and second locking screw (34), locking portion support (32) both ends are connected respectively locking connecting portion (31) with alignment piece locking support (33), alignment piece locking support (33) with locking connecting portion (31) parallel arrangement and set up in on the relative both sides face of locking portion support (32), locking connecting portion (31) set up in first alignment portion (21) with second alignment portion (22) is connected the face connection alignment be provided with the axis in on alignment piece locking support (33) look for portion (2) locating surface vertically second locking screw, second locking screw is inside to be set up second locking screw (34).

6. A dimension testing fixture according to claim 5, wherein: the length of the locking part bracket (32) is greater than the height of the second alignment part (22).