CN111203568A

CN111203568A - Movable drilling device of numerical control lathe

Info

Publication number: CN111203568A
Application number: CN202010046150.1A
Authority: CN
Inventors: 户建军; 聂永红; 葛敬伟; 陈洪; 张�林
Original assignee: Xiangyang Hangtai Power Machine Factory
Current assignee: Xiangyang Hangtai Power Machine Factory
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-05-29

Abstract

The invention discloses a movable drilling device of a numerical control lathe, which comprises a chuck seat, wherein the bottom of the chuck seat is provided with a key groove, a positioning block is movably connected inside the key groove, and two sides of the bottom of the positioning block are both in threaded connection with a locking screw of the positioning block. The movable drilling device of the numerical control lathe can expand the function of drilling holes with the diameter of 1-13 mm on the premise of not influencing the function of the main tool rest, greatly improves the machining efficiency of parts, can be installed in different grooves according to the movable drilling device, can extend the length to 200 plus 300mm, solves the technical problem that the drill chuck cannot be directly installed on the numerical control lathe to fix a drill bit for machining, expands the tool position, namely 8 tool positions originally and 9 tool positions after being used, enlarges the machining range, has high drilling efficiency and certain drilling feeding speed of the numerical control lathe, and is favorable for ensuring the quality of the holes and improving the wear resistance of the drill bit compared with a bench worker for machining the holes.

Description

Movable drilling device of numerical control lathe

Technical Field

The invention relates to the technical field of numerical control machining, in particular to a movable drilling device of a numerical control lathe.

Background

The numerically controlled lathe is one of the widely used numerically controlled machine tools at present, it is mainly used for cutting processing of the inner and outer cylindrical surfaces of shaft parts or disk parts, inner and outer conical surfaces of any taper angle, complex rotary inner and outer curved surfaces, cylinders, conical threads, etc., and can perform grooving, drilling, reaming, boring, etc., the numerically controlled machine tool automatically processes the parts to be processed according to the processing program prepared in advance, we write the processing process route, process parameters, movement track, displacement, cutting parameters and auxiliary functions of the parts into a processing program list according to the instruction code and program format specified by the numerically controlled machine tool, and then record the contents in the program list on a control medium, and then input the control medium into the numerically controlled machine tool, thereby commanding the machine tool to process the parts.

The HTC1608 NC lathe is a small-sized NC lathe, in order to process various shaft parts, the cylindrical surface, surface of ladder etc. revolution curved surface are given first place, mainly used in turning excircle in production, grooving, chamfer and boring process, because this model NC lathe tool carrier is shorter with the main shaft distance, the maximum turning length is only 80mm, and the length of the drill chuck of the plain drill is about 100mm generally, in the actual production operation, meet the part needing drilling process, can't fix the drill bit to carry on drilling process through installing the drill chuck directly on the tool carrier, cause the part machining process that needs drilling process to be complicated, waste time and energy, the machining efficiency is very low.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a movable drilling device of a numerical control lathe, which solves the problem that in the actual production operation, when parts needing drilling are encountered, the drilling process cannot be carried out by directly installing a drill chuck fixed drill bit on a tool rest, so that the part processing procedure is complicated.

Technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a numerical control lathe activity drilling equipment, includes the fixture seat, the keyway has been seted up to the bottom of fixture seat, the inside swing joint of keyway has the locating piece, the equal threaded connection in both sides of locating piece bottom has locating piece locking screw, fixture seat passes through fixture seat locking screw fixed connection with movable nut, the mounting hole has been seted up in the front of fixture seat, the equal threaded connection in front and the back at fixture seat top has installation locking screw.

Preferably, the inside of the mounting hole is movably connected with a drill chuck, the bottom of the chuck seat is movably connected with a workbench, and one side of the top of the workbench is fixedly connected with a machine table.

Preferably, the front of the machine table is fixedly connected with a tool rest, and a groove is formed in the top of the workbench and located on one side of the tool rest.

Preferably, the width dimension of the positioning block changes along with the dimension change of the actually measured groove, and the positioning block is arranged in different grooves according to the length requirement of the actually processed workpiece.

Preferably, the positioning block is in clearance fit with the key slot, and the clearance value is 0.02 mm.

Preferably, the size of the central position of the mounting hole varies according to the size of the actual measuring table or the groove.

Preferably, the movable nut is of a T-shaped step shaft structure, the head of the movable nut is symmetrically milled flat, one flat end of the movable nut is arranged in the key groove, and the other end of the movable nut is arranged on the workbench.

Preferably, the groove is a T-shaped groove.

(III) advantageous effects

The invention provides a movable drilling device of a numerical control lathe. The method has the following beneficial effects:

(1) the key groove is formed in the bottom of the chuck seat, the positioning block is movably connected inside the key groove, the positioning block locking screws are in threaded connection with the two sides of the bottom of the positioning block, the chuck seat is fixedly connected with the movable nut through the chuck seat locking screws, the front side of the chuck seat is provided with the mounting hole, the front side and the back side of the top of the chuck seat are in threaded connection with the mounting locking screws, the drill chuck is movably connected inside the mounting hole, the bottom of the chuck seat is movably connected with the workbench, one side of the top of the workbench is fixedly connected with the machine table, the front side of the machine table is fixedly connected with the tool rest, the groove is formed in the top of the workbench and positioned on one side of the tool rest, the function of drilling holes with the numerical control lathe of the model number of phi 1 mm-phi 13mm can be expanded on the, the movable drilling device can be installed in different grooves to extend the length to 200 plus 300mm and is unequal, the technical problem that the drill chuck cannot be directly installed on the numerical control lathe to fix the drill bit for machining is solved, the cutter position is expanded, the original 8 cutter position is adopted, the cutter position is 9 cutter position after the movable drilling device is used, the machining range is expanded, the drilling efficiency of the numerical control lathe is high, the drilling feeding speed is constant, and compared with a bench worker machining hole, the movable drilling device is favorable for guaranteeing the quality of the hole and improving the wear resistance of the drill bit.

(2) This numerical control lathe activity drilling equipment, the equal threaded connection in both sides through the locating piece bottom has locating piece locking screw, chuck seat passes through chuck seat locking screw fixed connection with movable nut, the mounting hole has been seted up in the front of chuck seat, the equal threaded connection in front and the back at chuck seat top has installation locking screw, can realize the fixed connection between locating piece and the chuck seat through locating piece locking screw, can make things convenient for follow-up drill chuck to carry out zonulae occludens inside the mounting hole through installation locking screw.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a cross-sectional view of a chuck base structure according to the present invention;

FIG. 3 is a schematic view of a keyway arrangement according to the present invention;

FIG. 4 is a bottom view of the spacer structure of the present invention;

fig. 5 is a bottom view of the removable nut construction of the present invention.

In the figure: 1-workbench, 2-movable nut, 3-groove, 4-chuck seat, 5-key slot, 6-positioning block, 7-positioning block locking screw, 8-chuck seat locking screw, 9-mounting hole, 10-mounting locking screw, 11-drill chuck, 12-machine table and 13-tool rest.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention provides a technical solution: a numerical control lathe movable drilling device can expand the function of drilling phi 1 mm-phi 13mm holes on the premise of not influencing the function of a main tool rest 13, greatly improves the processing efficiency of parts, can be installed in different grooves 3 according to the movable drilling device to extend the length to 200 plus 300mm, solves the technical problem that the numerical control lathe cannot be directly installed with a drill chuck 11 to fix drill bit processing, expands the tool position, originally 8 tool positions and 9 tool positions after use, expands the processing range, has high drilling efficiency and certain drilling feeding speed, is favorable for ensuring the quality of the holes and improving the wear resistance of the drill bit compared with a bench tool processing hole, and comprises a chuck seat 4, a movable nut 2 is of a T-shaped step shaft structure, the head is symmetrically milled flat, one end with a flat is installed in a key groove 5, and the other end is installed on a workbench 1, the width size of the positioning block 6 changes along with the size change of the groove 3 which is actually measured, the positioning block is arranged in different grooves 3 according to the length requirement of an actually processed workpiece, the groove 3 is a T-shaped groove and is provided with 4 grooves 3, wherein the upper width size of the first groove 3 is 10mm, the lower width size is 18mm, the upper width size of the second groove 3 is 10.1mm, the lower width size is 18.12mm, the upper width size of the third groove 3 is 10.2mm, the lower width size is 18.2mm, the upper width size of the fourth groove 3 is 10.1mm, the lower width size is 18.2mm, the bottom of the chuck seat 4 is provided with a key groove 5, the positioning block 6 is movably connected with the key groove 5 in a clearance fit mode, the clearance value is 0.02mm, both sides of the bottom of the positioning block 6 are in threaded connection with positioning block locking screws 7, the chuck seat 4 is fixedly connected with movable nuts 2 through chuck seat locking screws 8, the front surface of the clamp holder seat 4 is provided with a mounting hole 9, the size of the mounting hole 9 is phi 20+0.020mm, the roughness is Ra1.6 mu m, the mounting hole is used for mounting a drill chuck 11, the coaxiality of the central axis of the mounting hole 9 and the central axis of a machine tool spindle is within +/-0.01 mm, the central position size of the mounting hole 9 is changed according to the size of an actually measured workbench 1 or a groove 3, the interior of the mounting hole 9 is movably connected with the drill chuck 11, the bottom of the clamp holder seat 4 is movably connected with the workbench 1, one side of the top of the workbench 1 is fixedly connected with a machine table 12, the front surface of the machine table 12 is fixedly connected with a tool rest 13, the tool rest 13 is provided with a tool bit for realizing the work of turning, grooving, chamfering, boring and the like, the groove 3 is arranged on the top of the workbench 1 and one side of the tool rest 13, the, the positioning block locking screw 7 can realize the fixed connection between the positioning block 6 and the chuck seat 4, and the subsequent drill chuck 11 can be conveniently and tightly connected in the mounting hole 9 by installing the locking screw 10.

When in use, the centers of the key slot 5 and the positioning block 6 are aligned, the positioning block 6 is arranged in the key slot 5 and is symmetrically locked by the positioning block locking screw 7, the positioning block 6 and the chuck seat 4 are connected into a whole to form a chuck seat assembly, the groove 3 is cleaned by kerosene or other cleaning agents and then dried, the two movable nuts 2 are arranged in the groove 3, the chuck seat assembly is arranged between the two movable nuts 2 of the groove 3 through the positioning block 6 for debugging, the drill bit center and the core rod center are aligned through the height gauge and the core rod, after alignment, the chuck seat assembly is symmetrically fixed by the chuck seat locking screw 8 and is marked at the fixed position for providing reference for later assembly, after the assembly of the movable drilling device 3 is completed according to the steps, the drill chuck 11 is arranged in the mounting hole 9 phi 20+0.020, the drill chuck 11 is symmetrically locked by the mounting locking screws 10, and then the drilling processing can be carried out.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a numerical control lathe activity drilling equipment, includes chuck seat (4), keyway (5), its characterized in that have been seted up to the bottom of chuck seat (4): the inside swing joint of keyway (5) has locating piece (6), the equal threaded connection in both sides of locating piece (6) bottom has locating piece locking screw (7), chuck seat (4) pass through chuck seat locking screw (8) fixed connection with movable nut (2), mounting hole (9) have been seted up in the front of chuck seat (4), the equal threaded connection in front and the back at chuck seat (4) top has installation locking screw (10).

2. The numerical control lathe movable drilling device according to claim 1, characterized in that: the drill chuck (11) is movably connected inside the mounting hole (9), the bottom of the chuck seat (4) is movably connected with a workbench (1), and a machine table (12) is fixedly connected to one side of the top of the workbench (1).

3. The numerical control lathe movable drilling device according to claim 2, characterized in that: the front face of the machine table (12) is fixedly connected with a tool rest (13), and a groove (3) is formed in the top of the workbench (1) and located on one side of the tool rest (13).

4. The numerical control lathe movable drilling device according to claim 3, characterized in that: the width size of the positioning block (6) changes along with the size change of the actually measured groove (3), and the positioning block is arranged in different grooves (3) according to the length requirement of an actually processed workpiece.

5. The numerical control lathe movable drilling device according to claim 1, characterized in that: the positioning block (6) is in clearance fit with the key groove (5), and the clearance value is 0.02 mm.

6. The numerical control lathe movable drilling device according to claim 1, characterized in that: the size of the central position of the mounting hole (9) is changed according to the size of the actual measuring workbench (1) or the groove (3).

7. The numerical control lathe movable drilling device according to claim 1, characterized in that: the movable nut (2) is of a T-shaped step shaft structure, the head of the movable nut is symmetrically milled flat, one end of the movable nut with the flat is installed in the key groove (5), and the other end of the movable nut with the flat is installed on the workbench (1).

8. The numerical control lathe movable drilling device according to claim 3, characterized in that: the groove (3) is a T-shaped groove.