CN213104705U

CN213104705U - Quick indexing positioning tool for milling groove of machining center

Info

Publication number: CN213104705U
Application number: CN202021836738.9U
Authority: CN
Inventors: 李巍; 李春平; 吴博; 耿忠忠
Original assignee: Zhengzhou Hongtuo Precision Tools Co ltd
Current assignee: Zhengzhou Hongtuo Precision Tools Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-05-04
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses a quick indexing positioning tool for milling grooves of a machining center, which comprises a tool base body, wherein a through hole for inserting a rod-shaped workpiece is formed in the tool base body, the through hole is positioned at the upper part of the tool base body, a milling track communicated with the through hole is formed on the upper surface of the tool base body, a chute is formed on the inner wall of one end of the through hole, the distance between the milling track and the chute is matched with the distance between two adjacent indexing grooves on the workpiece to be milled, the workpiece is rotated, and the whole groove formed by the chute and the indexing grooves is used for inserting an angle plate; set up in the both sides of the frock base member with the communicating screw hole of through-hole, the cooperation is installed compression bolt in the screw hole for sticis with the circumference lateral wall butt of work piece, is provided with the clamp plate in the terminal surface outside that the frock base member was equipped with chute one end, and the clamp plate passes through compression screw to be fixed on the terminal surface of frock base member, the upper portion of the inside wall of clamp plate and the terminal surface butt of work piece, above-mentioned structure can realize the accurate graduation milling flutes to the work piece.

Description

Quick indexing positioning tool for milling groove of machining center

Technical Field

The utility model relates to a mechanical tool technical field, more specifically say, it relates to a quick graduation location frock of machining center milling flutes.

Background

The modern automobile industry develops rapidly, and the processing requirements of important parts are higher and higher. Honing is a current cheap precision surface processing method, the surface roughness after processing can reach Ra3.2-Ra0.1, and the honing tool is widely applied to the industries of oil pump oil nozzles and gears, automobiles, aviation, motorcycles and the like. However, when a workpiece (a slide bar) needs an indexing groove, honing cannot meet the requirement, and the angle and the symmetry of the indexing groove of the workpiece directly determine the processing precision of a workpiece hole. When the existing method is used for milling multiple grooves, even experienced operators are difficult to ensure the precision, the efficiency is low, and the requirement for large-batch production work is difficult to meet.

Under the background, a machining center milling groove rapid indexing positioning tool needs to be designed to improve the speed and the precision of workpiece indexing milling grooves.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a quick graduation location frock of machining center milling flutes improves speed and the precision to work piece graduation milling flutes.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a milling groove quick indexing positioning tool for a machining center comprises a tool base body, wherein a horizontally arranged through hole used for inserting a rod-shaped workpiece is formed in the tool base body, the through hole is located in the upper portion of the tool base body, a milling track communicated with the through hole is formed in the upper surface of the tool base body, an inclined groove is formed in the inner wall of one end of the through hole, the distance between the milling track and the inclined groove is matched with the distance between two adjacent indexing grooves in the workpiece to be milled, the workpiece is rotated, and the whole groove formed by the inclined groove and the milled indexing grooves in the workpiece is used for inserting an angle plate;

threaded holes communicated with the through holes are formed in the two sides of the tool base body, compression bolts are installed in the threaded holes in a matched mode, and when a workpiece is inserted into the through holes, the bottoms of the compression bolts are abutted and pressed against the circumferential side walls of the workpiece;

the outer side of the end face of one end, where the chute is located, of the tool base body is provided with a pressing plate, the pressing plate is fixed to the end face of the tool base body through a pressing screw, when a workpiece is inserted into the through hole, the upper portion of the inner side wall of the pressing plate is abutted to the end face of the workpiece.

The utility model discloses further set up to: and a rubber anti-slip pad is arranged at the bottom end of the compression bolt and is abutted and pressed against the circumferential side wall of the workpiece.

The utility model discloses further set up to: and an anti-abrasion pad is arranged on the inner side of the pressing plate and is abutted against the end face of the workpiece.

The utility model discloses further set up to: the threaded holes and the compression bolts installed in the threaded holes are transversely distributed along the tool base body.

To sum up, the utility model discloses following beneficial effect has:

the rod-shaped workpiece is placed in the through hole, the end face of the workpiece is flush with the end face of the tool base body, the workpiece is locked in the through hole by using the compression bolt, the pressing plate is pressed on the end face of the tool base body, the pressing plate is locked by using the compression bolt, the workpiece can be locked in the through hole more stably, the end part of the workpiece is milled from one end far away from the pressing plate to one end of the pressing plate along the milling track by using the milling cutter, at the moment, the pressing plate can prevent the workpiece from jumping out of the through hole in the milling process, the compression bolt and the compression bolt are loosened to rotate the workpiece, the milled indexing groove in the previous step and the corresponding chute form an integral groove, the angle plate is inserted into the integral groove formed by the indexing groove and the chute to play a positioning role, the distance between the milled indexing groove in the second step and the first indexing groove meets the specification requirement, and the workpiece is locked by using the compression, the next slot milling is carried out on the workpiece, and the indexing slot milling can be accurately carried out on the workpiece;

the rubber anti-slip pad is arranged at the bottom end of the bolt, so that the rubber anti-slip pad is abutted and pressed against the circumferential side wall of the workpiece, and the threaded holes and the pressing bolts installed in the threaded holes are transversely distributed along the tool base body, so that the workpiece can be effectively prevented from being loosened in the groove milling process;

the anti-abrasion pad is arranged on the inner side of the pressing plate, so that the anti-abrasion pad is abutted to the end wall of the workpiece, and the workpiece can be effectively prevented from being abraded in the groove milling process.

Drawings

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

FIG. 2 is a schematic view of the structure when no workpiece is inserted;

FIG. 3 is a right side view of the present invention;

fig. 4 is a front sectional view of the present invention.

Reference numerals: 1. a tooling base body; 2. a through hole; 3. milling a track; 4. a chute; 5. an angle plate; 6. a threaded hole; 7. a hold-down bolt; 8. pressing a plate; 9. a compression screw; 10. A workpiece; 11. an indexing groove.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

Example (b): a quick indexing and positioning tool for milling grooves in a machining center is used for improving the speed and the precision of indexing and milling the grooves on a workpiece. As shown in fig. 1 and 2, the tool comprises a tool base body 1, wherein a horizontally arranged through hole 2 for inserting a rod-shaped workpiece 10 is formed in the tool base body 1, the through hole 2 is located at the upper part of the tool base body 1, a milling track 3 communicated with the through hole 2 is formed in the upper surface of the tool base body 1, an inclined groove 4 is formed in the inner wall of one end of the through hole 2, the distance between the milling track 3 and the inclined groove 4 is matched with the distance between two adjacent index grooves 11 in the workpiece to be milled, the workpiece 10 is rotated, and the whole groove formed by the inclined groove 4 and the index groove 11 milled in the workpiece 10 is used for inserting an angle plate 5; the two sides of the tool base body 1 are provided with threaded holes 6 communicated with the through holes 2, compression bolts 7 are installed in the threaded holes 6 in a matched mode, and when a workpiece 10 is inserted into the through holes 2, the bottom of each compression bolt 7 is abutted and pressed against the circumferential side wall of the workpiece 10. The outer side of the end face of one end, provided with the chute 4, of the tool base body 1 is provided with a pressing plate 8, the pressing plate 8 is fixed on the end face of the tool base body 1 through a pressing screw 9, and when a workpiece 10 is inserted into the through hole 2, the upper portion of the inner side wall of the pressing plate 8 is abutted to the end face of the workpiece 10.

Referring to fig. 3 and 4, a rod-shaped workpiece 10 is placed in the through hole 2, the end face of the workpiece 10 is flush with the end face of the tool base 1, the workpiece 10 is locked in the through hole 2 by a pressing bolt 7, a pressing plate 8 is pressed on the end face of the tool base 1, the pressing plate 8 is locked by a pressing screw 9 so that the workpiece 10 is locked in the through hole 2 more stably, an indexing groove 11 is milled from one end far away from the pressing plate 8 to one end of the pressing plate 8 along the milling track 3 by a milling cutter, at the moment, the pressing plate 8 can prevent the workpiece 10 from jumping out of the through hole 2 in the milling process, the pressing bolt 7 and the pressing screw 9 are loosened, the workpiece 10 is rotated, the indexing groove 11 milled in the previous operation and the corresponding inclined groove 4 form an integral groove, the angle plate 5 is inserted into the integral groove formed by the indexing groove 11 and the inclined groove 4, and the pressing bolt 7 and the pressing screw 9 are used again to lock the workpiece, the next groove milling is performed on the workpiece 10. With reference to the above, the inclined grooves 4 may be formed on the circumference of the through-hole 2 according to the positions of two adjacent indexing grooves 11 of the desired workpiece 10.

In order to avoid the workpiece 10 from loosening in the groove milling process, a rubber anti-slip pad is arranged at the bottom end of the pressing bolt 7, the rubber anti-slip pad is abutted and pressed against the circumferential side wall of the workpiece 10, and the threaded hole 6 and the pressing bolt 7 installed in the threaded hole 6 are transversely distributed along the tool base body 1.

In order to avoid the abrasion of the workpiece 10 during the groove milling process, a wear pad is provided inside the pressure plate 8, and the wear pad abuts against the end wall of the workpiece 10.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The tool for quickly indexing and positioning the milling groove of the machining center is characterized by comprising a tool base body (1), wherein a horizontally arranged through hole (2) for inserting a rod-shaped workpiece (10) is formed in the tool base body (1), the through hole (2) is positioned at the upper part of the tool base body (1), a milling track (3) communicated with the through hole (2) is formed in the upper surface of the tool base body (1), an inclined groove (4) is formed in the inner wall of one end of the through hole (2), the distance between the milling track (3) and the inclined groove (4) is matched with the distance between two adjacent indexing grooves (11) in the workpiece to be milled, the workpiece (10) is rotated, and the whole groove formed by the inclined groove (4) and the indexing groove (11) milled in the workpiece (10) is used for inserting an angle plate (5);

threaded holes (6) communicated with the through holes (2) are formed in the two sides of the tool base body (1), compression bolts (7) are installed in the threaded holes (6) in a matched mode, and when a workpiece (10) is inserted into the through holes (2), the bottom of each compression bolt (7) is abutted against and pressed against the circumferential side wall of the workpiece (10);

the tool base body (1) is provided with a pressing plate (8) on the outer side of the end face of one end where the chute (4) is located, the pressing plate (8) is fixed on the end face of the tool base body (1) through a compression screw (9), a workpiece (10) is inserted into the through hole (2), and the upper portion of the inner side wall of the pressing plate (8) is abutted to the end face of the workpiece (10).

2. The machining center milling groove quick indexing positioning tool according to claim 1, wherein a rubber anti-slip pad is arranged at the bottom end of the pressing bolt (7) and is abutted and pressed against the circumferential side wall of the workpiece (10).

3. The machining center milling groove quick indexing positioning tool according to claim 1, wherein an anti-abrasion pad is arranged on the inner side of the pressure plate (8) and abuts against the end face of a workpiece (10).

4. The machining center milling groove quick indexing positioning tool according to claim 2, wherein a plurality of threaded holes (6) and a plurality of compression bolts (7) installed in the threaded holes (6) are arranged transversely along the tool base body (1).