CN214444618U

CN214444618U - End face drilling and tapping clamp with special-shaped pipe fitting as shell

Info

Publication number: CN214444618U
Application number: CN202120157441.8U
Authority: CN
Inventors: 汤国为; 黄烽; 黄健成; 侯文瑞; 沈光彦
Original assignee: Shiyan Aobei Technology Co ltd
Current assignee: Shiyan Aobei Technology Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-10-22
Anticipated expiration: 2031-01-21

Abstract

The utility model relates to an end face drilling and tapping clamp with a special-shaped pipe fitting as a shell, wherein a shaft tube is upwards arranged on a base, a movable window is outwards arranged on the side wall of the shaft tube, and a movable block is arranged in the movable window; the inside of the shaft tube is provided with an expansion device, wherein the expansion device corresponds to the movable block, so that the movable block moves inside and outside to form loosening and expansion of an inner hole of the special-shaped pipe fitting; the expansion device comprises an upper conical block, wherein the conical degree of the upper conical block moves downwards and downwards, the conical degree of a lower conical block is fixed on a base in the shaft tube downwards and upwards, the upper conical block is connected with the lower conical block through a pressing bolt, the relative conical degree of the upper conical block and the lower conical block corresponds to the movable block to form an expansion structure with conical movement, and springs are arranged on the outer shaft diameter of the shaft tube and the movable block. When the special-shaped pipe fitting is used, the expansion device in the shaft pipe correspondingly forms loosening and expansion of the inner hole of the special-shaped pipe fitting, the purpose of fixing the special-shaped pipe fitting is achieved, then drilling and tapping are carried out on the end face of the special-shaped pipe fitting, simplicity and convenience are achieved, and the relative position and precision of the special-shaped pipe fitting are guaranteed.

Description

End face drilling and tapping clamp with special-shaped pipe fitting as shell

Technical Field

The utility model relates to a processing technology of the terminal surface of special-shaped pipe fitting specifically is a terminal surface drilling, tapping anchor clamps of shell for special-shaped pipe fitting.

Background

The automobile parts are different in shape and structure due to the layout and assembly, the parts with the special-shaped pipe shells need to be subjected to finish machining, the special-shaped pipe pieces need to be subjected to auxiliary drilling, tapping and other part butt joint after finish machining, the special-shaped pipe shells need to be fixed after being machined for the end faces of the special-shaped pipe pieces, and the special-shaped pipe pieces need to be fixed and machined by special or adaptive clamps due to the fact that the relative positions and the relative accuracy of the special-shaped pipe pieces need to be guaranteed due to positioning and size.

Disclosure of Invention

The utility model discloses a can guarantee the relative position and the precision of special-shaped pipe fitting, especially to the processing of terminal surface, provide a shell for special-shaped pipe fitting's terminal surface drilling, tapping anchor clamps specially.

Therefore, the technical scheme of the utility model is that, a shell is end face drilling, tapping anchor clamps of special-shaped pipe fitting, including a base, the base upwards is equipped with central siphon, its characterized in that: a movable window is arranged outwards on the side wall of the shaft tube, and a movable block is arranged in the movable window; the shaft tube is internally provided with an expansion device, wherein the expansion device corresponds to the movable block, so that the movable block moves inside and outside to loosen and expand the inner hole of the special-shaped pipe fitting.

The further improvement lies in that: the expansion device comprises an upper conical block, wherein the conical degree of the upper conical block moves downwards and downwards, the conical degree of a lower conical block is fixed on a base in the shaft tube downwards and upwards, the upper conical block is connected with the lower conical block through a pressing bolt, the relative conical degree of the upper conical block and the lower conical block corresponds to that of the movable block to form an expansion structure with conical degree movement, and springs are arranged on the outer shaft diameter of the shaft tube and the outer shaft diameter of the movable block.

The further improvement lies in that: the movable window and the movable blocks are two to a plurality of and are evenly distributed on the side wall of the shaft tube.

The further improvement lies in that: the movable window and the movable block are three and are evenly distributed on the side wall of the shaft tube.

The further improvement lies in that: and a positioning or limiting block is also upwards arranged on the base, and an adjusting bolt is arranged on the positioning or limiting block.

Has the advantages that:

the utility model discloses when using with special-shaped pipe fitting suit on the central siphon of base, the lower terminal surface and the base contact of special-shaped pipe fitting, the tight device that expands in the central siphon corresponds movable block shape and becomes loosening and expanding tight of special-shaped pipe fitting hole in pairs, reaches the purpose of fixed special-shaped pipe fitting promptly, then drills, the tapping to the terminal surface of special-shaped pipe fitting again, and is simple and convenient, has guaranteed its relative position and precision.

Go up the taper block among the tight device that expands and correspond the tight structure that expands that the movable block formed the tapering motion with the relative tapering of lower taper block in the central siphon, this structure processing is convenient relatively, and change easily after wearing and tearing, the use of clamp bolt and spring makes it reach automatic re-setting's purpose simultaneously, loosen behind the clamp bolt because the power of holding tightly of spring makes the movable block can remove the tight state of expanding through activity window to the central siphon internal motion, go up the taper block upward movement and break away from the movable block, it is also convenient to take out the work piece again, it is light.

The movable blocks are three and evenly distributed on the side wall of the shaft tube, the clamping force and the expansion state are optimal, and the stress is even.

The positioning or limiting block and the adjusting bolt are used, so that the shell is limited and positioned by the special-shaped pipe fitting.

The utility model discloses simple structure especially drills, taps the terminal surface of special-shaped pipe fitting, and is simple and convenient, has guaranteed its relative position and precision.

Drawings

Fig. 1 is a schematic view of the main view of the present invention.

Fig. 2 is a schematic left-side view of the present invention.

Fig. 3 is a schematic perspective partial sectional view of the present invention.

Fig. 4 is a sectional view of the usage state of the present invention.

Fig. 5 is a three-dimensional partial sectional view of the utility model in use.

Reference numerals: 1 is a base, 2 is an axle tube, 3 is a movable window, 4 is a movable block, 5 is an expansion device, 51 is an upper conical block, 52 is a lower conical block, 53 is a compression bolt, and 54 is a spring;

6 is special-shaped pipe, 61 is the terminal surface, 62 is the screw, 63 is the hole, 7 is location or stopper, 8 is adjusting bolt.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

The technical solution and the advantages of the present invention will be more clear and clear by further describing the embodiments of the present invention with reference to the drawings of the specification. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.

An end face drilling and tapping clamp with a special-shaped pipe fitting as a shell comprises a base 1, wherein a shaft tube 2 is upwards arranged on the base, a movable window 3 is outwards arranged on the side wall of the shaft tube 2, and a movable block 4 is arranged in the movable window 3; the shaft tube 2 is internally provided with an expansion device 5, wherein the expansion device 5 corresponds to the movable block 4, so that the movable block 4 moves inside and outside to loosen and expand the inner hole of the special-shaped pipe fitting 6.

The expansion device 5 comprises an upper conical block 51 with downward and downward movement of taper, a lower conical block 52 with downward and upward fixed taper on the base 1 in the shaft tube 2, the upper conical block 51 is connected with the lower conical block 52 through a hold-down bolt 53, wherein the relative taper of the upper conical block 51 and the lower conical block 52 corresponds to the movable block 4 to form an expansion structure with taper movement, and a spring 54 is arranged on the outer shaft diameter of the shaft tube 2 and the movable block 4.

The movable window 3 and the movable block 4 are two to a plurality of which are uniformly distributed on the side wall of the shaft tube 2, and the plurality of movable windows 3 and the plurality of movable blocks 4 are arranged or the cost of the movable windows is increased.

The movable window 3 and the movable block 4 are three and are evenly distributed on the side wall of the shaft tube 2.

A positioning or limiting block 7 is further arranged on the base 1 upwards, and an adjusting bolt 8 is arranged on the positioning or limiting block 7.

When the special-shaped pipe fitting fixing device is used, the special-shaped pipe fitting 6 is sleeved on the shaft pipe 2 of the base 1, the lower end face of the special-shaped pipe fitting 6 is in contact with the base 2, the expansion device 5 in the shaft pipe 2 corresponds to the movable block 4 to loosen and expand the inner hole 63 of the special-shaped pipe fitting 6, namely the purpose of fixing the special-shaped pipe fitting 6 is achieved, and then the positioning is adjusted through the adjusting bolt 8 on the positioning or limiting block 7; and then the end surface 61 of the special-shaped pipe fitting 6 is drilled and tapped to form a screw hole 62, so that the method is simple and convenient, and the relative position and the precision are ensured.

Claims

1. The utility model provides a shell is end face drilling, tapping anchor clamps of special-shaped pipe fitting, includes a base (1), and the base upwards is equipped with central siphon (2), its characterized in that: a movable window (3) is arranged outwards on the side wall of the shaft tube (2), and a movable block (4) is arranged in the movable window (3); the shaft tube (2) is internally provided with an expansion device (5), wherein the expansion device (5) corresponds to the movable block (4), so that the movable block (4) can move inwards and outwards to form loosening and expansion of an inner hole (63) of the special-shaped pipe fitting (6).

2. The end face drilling and tapping clamp for the special-shaped pipe fitting as claimed in claim 1, wherein the clamp comprises: the expansion device (5) comprises an upper conical block (51) with downward and downward movement of taper, a lower conical block (52) with downward and upward fixing of taper on a base (1) in the shaft tube (2), the upper conical block (51) is connected with the lower conical block (52) through a compression bolt (53), wherein the relative taper of the upper conical block (51) and the lower conical block (52) corresponds to the movable block (4) to form an expansion structure of taper movement, and a spring (54) is arranged on the outer shaft diameter of the shaft tube (2) and the movable block (4).

3. The end face drilling and tapping clamp for the special-shaped pipe fitting as claimed in claim 1 or 2, wherein: the movable window (3) and the movable block (4) are two to a plurality of and are evenly distributed on the side wall of the shaft tube (2).

4. The end face drilling and tapping clamp for the special-shaped pipe fitting as claimed in claim 3, wherein the clamp comprises: the movable window (3) and the movable block (4) are three and are evenly distributed on the side wall of the shaft tube (2).

5. The end face drilling and tapping clamp for the special-shaped pipe fitting as claimed in claim 1, wherein the clamp comprises: a positioning or limiting block (7) is further arranged on the base (1) upwards, and an adjusting bolt (8) is arranged on the positioning or limiting block (7).