CN211840193U

CN211840193U - Drilling indexing fixture for drilling machine

Info

Publication number: CN211840193U
Application number: CN202020370395.5U
Authority: CN
Inventors: 高文革; 张睿
Original assignee: Baoji Fuqi Titanium Nickel Pipe Fittings Manufacturing Co ltd
Current assignee: Baoji Fuqi Titanium Nickel Pipe Fittings Manufacturing Co ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-11-03
Anticipated expiration: 2030-03-23

Abstract

The utility model provides a drilling graduation anchor clamps for in drilling machine has graduated disk and three-jaw chuck, the graduated disk is fixed in on the workstation of drilling machine, and the connection pad that is located the graduated disk top sets up with the graduated disk is concentric to on removable being fixed in the graduated disk, the three-jaw chuck links firmly face on the connection pad with one heart, the graduated disk drives the work piece rotation back that clamps and be fixed in on the three-jaw chuck according to the index angle between waiting to process the hole position and realizes waiting to process the graduation location of hole site on the work piece. The utility model discloses a set up the graduated disk on the workstation of drilling machine to connect graduated disk and three-jaw chuck as an organic whole by the connection pad, make the graduated disk drive the work piece on the three-jaw chuck according to the dividing angle between waiting to process the hole position and realize waiting to process the indexing location of hole site on the work piece after rotating, simplified work piece drilling manufacturing procedure, improved the precision of hole site, work piece drilling uniformity is good, drilling efficiency is high, need not frequently to rule, change anchor clamps alright accomplish the drilling processing of work piece, higher use value has.

Description

Drilling indexing fixture for drilling machine

Technical Field

The utility model belongs to the technical field of frock clamp, concretely relates to drilling indexing fixture for in drilling machine.

Background

In modern life, disc-shaped parts such as flanges and end covers are common parts in the machining industry, the shapes and specifications of the flange and end cover parts are various, the flange and end cover parts are mostly made of steel or castings, the parts are mostly exposed parts, the appearance is attractive, and meanwhile, the parts are required to be interchangeable when in use, namely, the positions of bolt holes of the parts are required to be accurate. The traditional hole machining method comprises the following steps: turning blank forming, platform alignment, marking off, punching, drilling machine clamping, tool setting and drilling, the method is suitable for single-hole processing, the production efficiency is low, the marking off process is required before drilling, the disc-shaped parts are not easy to find a central point, the marking off work is quite complex, if the number of the parts is small and the parts need to be replaced, frequent marking off and clamp replacement are required, the production efficiency is greatly reduced, manpower and material resources are wasted, the production cost is high, at present, in order to solve the defects of the drilling mode of manual positioning, no group is formed by the clamp with the indexing function and the drilling machine, but the defects of complex structure and overhigh cost are mostly existed, for example, in the document with the application number of '201620234628.2', the patent name of 'a multipurpose drilling machine' (hereinafter referred to as a reference document), the drilling machine with the indexing function is disclosed, and during the work, the indexing disc driving device 4 (comprising the indexing disc driving motor 41, the indexing disc driving motor, worm 42 and worm wheel) automatically drives the index plate 21 to rotate, so as to automatically rotate the valve workpiece to the position where drilling is needed, then the hydraulic station 7 drives the hydraulic cylinder 6 to drive the main shaft to descend, the main shaft driving device 8 (including the main shaft driving motor 81 and the transmission mechanism 82) drives the main shaft to rotate, when the second sensor 32 senses information, the hydraulic cylinder 6 slows down the descending speed, the drill bit 51 starts to drill the valve workpiece, when the third sensor 33 senses information, the drilling is completed, in the above working principle, the rotation of the index plate 21 is driven by the index plate driving motor 41, but in the patent document, it is not disclosed from the beginning to the end that how the index plate driving motor 41 specifically controls the rotation angle of the index plate 21, the program control or the control of other structures is adopted, the disclosure of the part is not sufficient, and furthermore, if a person skilled in the art wants to put the structure into production, the cost is greatly increased, the structure is complex and the cost is high due to the need of equipping various matched devices and professional control systems, so that improvement is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem: the utility model provides a drilling graduation anchor clamps for among drilling machine, through set up the graduated disk on the workstation of drilling machine, and connect graduated disk and three-jaw chuck as an organic whole by the connection pad, make the graduated disk drive the work piece on the three-jaw chuck and rotate the back and realize waiting to process the graduation location of hole site on the work piece according to the index angle between waiting to process the hole site, the work piece drilling manufacturing procedure has been simplified, the precision of hole site has been improved, the work piece drilling uniformity is good, drilling efficiency is high, moreover, the steam generator is simple in structure, and convenient for operation, need not frequently to rule, the drilling processing of work piece can be accomplished to change anchor clamps, and the steam generator has high.

The utility model adopts the technical proposal that: the drilling hole indexing fixture used in the drilling machine is provided with an indexing disc and a three-jaw chuck, wherein the indexing disc is fixed on a workbench of the drilling machine, a connecting disc and the indexing disc which are positioned above the indexing disc are arranged concentrically and are detachably fixed on the indexing disc, the three-jaw chuck is fixedly connected to the upper plate surface of the connecting disc concentrically, and the indexing disc drives a workpiece which is clamped and fixed on the three-jaw chuck to rotate according to an indexing angle between holes to be machined so as to realize indexing positioning of the holes to be machined on the workpiece.

Furthermore, a positioning boss is arranged on the rotating disc of the index plate, a positioning groove which is arranged on the bottom surface of the connecting disc is matched with the positioning boss, and the connecting disc and the rotating disc of the index plate are detachably and fixedly connected into a whole through bolts.

Furthermore, the three-jaw chuck is fixedly connected with the connecting disc into a whole in a welding mode.

Further, the index plate is a manual index plate.

The utility model has the advantages compared with the prior art:

1. according to the technical scheme, the index plate is arranged on the workbench of the drilling machine, and the index plate and the three-jaw chuck are connected into a whole through the connecting plate, so that the index plate drives a workpiece on the three-jaw chuck to rotate according to an index angle between the positions of the holes to be machined, then the indexing positioning of the positions of the holes to be machined on the workpiece is realized, the drilling machining of the workpiece can be completed without frequent marking and fixture replacement, and the drilling efficiency of the workpiece is greatly improved;

2. according to the technical scheme, the positioning boss is arranged on the rotating disc of the index plate, and the positioning structure which enables the positioning groove in the bottom surface of the connecting disc to be matched with the positioning boss ensures the concentricity of the connecting disc and the rotating disc of the index plate, and provides necessary conditions for the drilling precision of a workpiece;

3. the technical scheme adopts a connecting structure that a connecting disc fixed with a three-jaw chuck is detachably and fixedly connected with an index plate, meets the use requirement of indexing and positioning a workpiece hole site after the three-jaw chuck and the index plate are assembled, does not limit the use position of the index plate, and is convenient for the division of the index plate and the three-jaw chuck;

4. the technical scheme simplifies the workpiece drilling processing procedure, improves the hole site precision, and has the advantages of good workpiece drilling consistency, simple structure, convenient operation and higher use value.

Drawings

FIG. 1 is an exploded view of the present invention;

fig. 2 is a schematic structural diagram of the present invention.

Detailed Description

An embodiment of the present invention will be described in conjunction with fig. 1-2, so that the technical solution will be described clearly and completely, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, not the whole embodiment.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The drilling hole indexing fixture used in the drilling machine is provided with an indexing disc 1 and a three-jaw chuck 2, wherein the indexing disc 1 is fixed on a workbench of the drilling machine, a connecting disc 3 positioned above the indexing disc 1 and the indexing disc 1 are arranged concentrically and detachably fixed on the indexing disc 1, the three-jaw chuck 2 is fixedly connected to the upper plate surface of the connecting disc 3 concentrically, and the indexing disc 1 drives a workpiece clamped and fixed on the three-jaw chuck 2 to rotate according to an indexing angle between holes to be machined so as to realize indexing positioning of the holes to be machined on the workpiece; specifically, a positioning boss 4 is arranged on the rotating disc of the index plate 1, a positioning groove 5 arranged on the bottom surface of the connecting disc 3 is matched with the positioning boss 4, and the connecting disc 3 and the rotating disc of the index plate 1 are detachably and fixedly connected into a whole through bolts; specifically, the three-jaw chuck 2 and the connecting disc 3 are fixedly connected into a whole in a welding mode; specifically, the index plate 1 is a manual index plate.

When the three-jaw chuck works, a workpiece is clamped and fixed on the three-jaw chuck 2, the position of a drill bit and the rotating angle of a rotating disc of the index plate 1 are respectively determined according to the reference circle diameter of a hole to be machined on the workpiece and the reference angle between hole positions, the drill bit is adjusted to be positioned on the reference circle of the hole to be machined, a first hole is machined on the workpiece, the clutch handle is adjusted to loosen the rotating disc of the index plate 1, the hand wheel of the index plate 1 is rotated to enable the rotating disc of the index plate 1 to rotate by the same angle as the reference angle between the first hole and a second hole, the clutch handle is adjusted to lock the rotating disc of the index plate 1, the next hole is machined, and the steps are repeated to complete the machining of the hole on the workpiece.

The technical scheme is that the index plate 1 is arranged on a workbench of a drilling machine, the index plate 1 and the three-jaw chuck 2 are connected into a whole by the connecting plate 3, the index plate 1 drives a workpiece on the three-jaw chuck 2 to rotate according to an index angle between holes to be machined, then the indexing positioning of the holes to be machined on the workpiece is realized, the drilling machining of the workpiece can be completed without frequent marking and fixture replacement, the drilling efficiency of the workpiece is greatly improved, the positioning boss 4 is arranged on the rotating disc of the index plate 1, the positioning structure which is matched with the positioning boss 4 and the positioning groove 5 on the bottom surface of the connecting plate 3 is adopted, the concentricity of the connecting plate 3 and the rotating disc of the index plate 1 is ensured, necessary conditions are provided for the drilling precision of the workpiece, the connecting structure which is fixed with the connecting plate 3 of the three-jaw chuck 2 and the index plate 1 in a detachable and fixedly connected mode is adopted, the use requirement of the indexing positioning of the workpiece, meanwhile, the use position of the index plate 1 is not limited, the index plate 1 and the three-jaw chuck 2 are convenient to split, the workpiece drilling machining process is simplified, the hole position precision is improved, the workpiece drilling consistency is good, the structure is simple, the operation is convenient, and the use value is high.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that all equivalent changes made by the contents of the claims of the present invention should be included in the scope of the claims of the present invention.

Claims

1. Drilling indexing fixture for use in a drilling machine, having an indexing disk (1) and a three-jaw chuck (2), characterized in that: the dividing plate (1) is fixed on a workbench of a drilling machine, a connecting plate (3) located above the dividing plate (1) and the dividing plate (1) are concentrically arranged and detachably fixed on the dividing plate (1), the three-jaw chuck (2) is concentrically and fixedly connected to the upper plate surface of the connecting plate (3), and the dividing plate (1) drives a workpiece clamped and fixed on the three-jaw chuck (2) to rotate according to a dividing angle between holes to be machined to realize the dividing positioning of the holes to be machined on the workpiece.

2. The drill hole indexing jig for use in a drilling machine according to claim 1, wherein: the rotary disc of the index plate (1) is provided with a positioning boss (4), a positioning groove (5) which is arranged on the bottom surface of the connecting disc (3) is matched with the positioning boss (4), and the connecting disc (3) and the rotary disc of the index plate (1) are detachably fixedly connected into a whole through bolts.

3. The drill hole indexing jig for use in a drilling machine according to claim 1, wherein: the three-jaw chuck (2) is fixedly connected with the connecting disc (3) into a whole in a welding way.

4. A drill hole indexing jig for use in a drill according to claim 1, 2 or 3, wherein: the index plate (1) is a manual index plate.