CN219093680U

CN219093680U - Workpiece positioning mechanism of numerical control machine tool

Info

Publication number: CN219093680U
Application number: CN202223466853.3U
Authority: CN
Inventors: 薛继瑞
Original assignee: Dalian Dewei Precision Machinery Co ltd
Current assignee: Dalian Dewei Precision Machinery Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-30
Anticipated expiration: 2032-12-26

Abstract

The utility model relates to the technical field of numerically-controlled machine tools, in particular to a workpiece positioning mechanism of a numerically-controlled machine tool. According to the utility model, a rod-shaped workpiece is fixed by utilizing the three-jaw chuck, then a plurality of L-shaped sliding plates are regulated to uniformly walk on the annular guide rail, then the screwing holes on the L-shaped connecting plates are screwed into the interference bolts, one ends of the interference bolts are abutted against the annular guide rail to fix the L-shaped sliding plates, then the inserted bars are sequentially inserted into the jacks, the inserted bars are broken off to drive adjacent screws to rotate, a plurality of abutting balls are abutted against the outer side wall of the rod-shaped workpiece, the rod-shaped workpiece is positioned and supported in an auxiliary mode, and during cutter operation, two electric pushing rods can be started to drive the annular guide rail and a plurality of interference mechanisms to move, so that cutter operation is not affected.

Description

Workpiece positioning mechanism of numerical control machine tool

Technical Field

The utility model relates to the technical field of numerical control machine tools, in particular to a workpiece positioning mechanism of a numerical control machine tool.

Background

The numerical control machine tool is an automatic machine tool with high precision, the numerical control machine tool generally utilizes a three-jaw chuck to drive a workpiece to rotate when in use, then a cutter moves to enable the rotating workpiece to be cut by the cutter, and when a part of cylindrical rod-shaped workpiece is cut, the workpiece is generally fixed by the three-jaw chuck, and under the condition that the end part of the rod-shaped workpiece is damaged, the three-jaw chuck can only clamp the intact part of the end part of the rod-shaped workpiece to position and fix, but because the length of the three-jaw chuck which can clamp the end part of the rod-shaped workpiece is reduced and only clamps the end part of the rod-shaped workpiece, the stability of the rod-shaped workpiece can be influenced, and the numerical control machine tool is inconvenient.

Disclosure of Invention

In order to overcome the technical problems, the utility model aims to provide a workpiece positioning mechanism of a numerical control machine tool, which is characterized in that a rod-shaped workpiece is fixed by utilizing a three-jaw chuck, a plurality of L-shaped sliding plates are regulated to uniformly walk on an annular guide rail, then screwing holes in a plurality of L-shaped connecting plates are screwed into a collision bolt, one end of the collision bolt collides with the annular guide rail to fix the plurality of L-shaped sliding plates, then a plug rod is sequentially inserted into a plurality of jacks, the plug rod is broken to drive adjacent screw rods to rotate, a plurality of abutting balls collide with the outer side wall of the rod-shaped workpiece, the rod-shaped workpiece is positioned and supported in an auxiliary manner, and during cutter operation, two electric push rods can be started to drive the annular guide rail and the plurality of collision mechanisms to move, so that cutter operation is not influenced.

The aim of the utility model can be achieved by the following technical scheme:

the workpiece positioning mechanism of the numerical control machine tool comprises a machine tool body, wherein a three-jaw chuck is rotatably arranged on one inner side wall of the machine tool body, an adjusting mechanism is fixedly connected to one inner side wall of the machine tool body, and a plurality of abutting mechanisms are arranged on the adjusting mechanism;

the adjusting mechanism comprises two electric push rods, one end of each electric push rod is fixedly connected with a mounting plate, the two mounting plates are fixedly connected with one inner side wall of the machine tool body through bolts, the two electric push rods are arranged on one side of each electric push rod, the movable ends of the two electric push rods are fixedly connected with one side of each annular guide rail, and the plurality of abutting mechanisms are arranged inside the annular guide rails.

The method is further characterized in that: the center of one side of the annular guide rail is horizontally parallel to the center of one side of the three-jaw chuck, and the two electric push rods are respectively positioned on two sides of the three-jaw chuck.

The method is further characterized in that: the diameter of the annular guide rail is larger than that of the three-jaw chuck.

The method is further characterized in that: the interference mechanism comprises an L-shaped sliding plate, one end of a long arm of the L-shaped sliding plate is slidably connected inside the annular guide rail, one side of the long arm of the L-shaped sliding plate is fixedly connected with an L-shaped connecting plate, a plurality of screwing holes are formed in one side of the long arm of the L-shaped connecting plate, a plurality of interference bolts with one end interfering with the other side of the annular guide rail are screwed in the screwing holes, a threaded hole is formed in one side of the short arm of the L-shaped sliding plate, and a screw rod is screwed in the threaded hole.

The method is further characterized in that: screw rod one end is located the annular guide rail inside, and screw rod one end fixedly connected with cutting ferrule, the inside movable joint of cutting ferrule has the butt ball.

The method is further characterized in that: the long arm one end fixedly connected with fixed plate of L type connecting plate, and limiting hole has been seted up to fixed plate one side, the screw rod lateral wall sliding sleeve is in limiting hole inside.

The method is further characterized in that: the screw rod other end fixedly connected with connecting block, and the jack has been seted up to the connecting block lateral wall, the jack is supporting to be provided with the inserted bar, and inserted bar one end activity grafting is inside the jack.

The utility model has the beneficial effects that:

through inserting the rod-shaped workpiece into the three-jaw chuck and utilizing the three-jaw chuck to fix, then adjust a plurality of L type slide positions, make a plurality of L type slide evenly walk on the annular guide rail, then close hole screw in conflict bolt soon on with a plurality of L type connecting plates, make conflict bolt one end conflict annular guide rail fix a plurality of L type slide, then insert the jack on a plurality of connecting blocks inside, break off with the fingers and thumb the movable rod and drive adjacent screw rod rotation, make a plurality of butt balls conflict rod-shaped workpiece lateral wall, fix a position and auxiliary support to the rod-shaped workpiece, during the cutter operation, can start two electric putter and drive annular guide rail and a plurality of conflict mechanism and remove, make it not influence the cutter operation.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a side view of the mounting location of the present utility model;

FIG. 3 is an exploded view of the structure of the abutment mechanism of the present utility model;

fig. 4 is a schematic cross-sectional view of a ferrule and a plunger according to the present utility model.

In the figure: 100. a machine tool body; 200. a three-jaw chuck; 300. an adjusting mechanism; 310. an electric push rod; 311. a mounting plate; 320. an annular guide rail; 400. a collision mechanism; 410. an L-shaped sliding plate; 411. a threaded hole; 420. an L-shaped connecting plate; 421. screwing the hole; 422. a contact bolt; 430. a screw; 440. a cutting sleeve; 441. ball supporting; 450. a fixing plate; 451. a limiting hole; 460. a connecting block; 461. a jack; 500. and a plunger.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model discloses a workpiece positioning mechanism of a numerical control machine tool, which is shown in fig. 1-4, and comprises a machine tool body 100, wherein a three-jaw chuck 200 is rotatably arranged on one inner side wall of the machine tool body 100, an adjusting mechanism 300 is fixedly connected to one inner side wall of the machine tool body 100, and a plurality of abutting mechanisms 400 are arranged on the adjusting mechanism 300;

the adjustment mechanism 300 comprises two electric push rods 310, one end of each electric push rod 310 is fixedly connected with a mounting plate 311, the two mounting plates 311 are fixedly connected with one inner side wall of the machine tool body 100 through bolts, one side of each electric push rod 310 is provided with an annular guide rail 320, the movable ends of the two electric push rods 310 are fixedly connected with one side of the annular guide rail 320, a plurality of abutting mechanisms 400 are arranged inside the annular guide rail 320, the two mounting plates 311 are mounted on the machine tool body 100 through bolts, a controller for one to two is arranged on the machine tool body 100 to synchronously control the two electric push rods 310, then a plurality of abutting mechanisms 400 are used for positioning rod-shaped workpieces, one side center of each annular guide rail 320 is horizontally parallel to one side center of each three-jaw chuck 200, the two electric push rods 310 are respectively positioned on two sides of each three-jaw chuck 200, the annular guide rail 320 is kept parallel to each three-jaw chuck 200, the diameter of each annular guide rail 320 is larger than the diameter of each three-jaw chuck 200, the annular guide rail 320 is not easy to affect cutting of a cutter, the cutter can conveniently enable the cutter to be clamped and the rod-shaped workpieces to be adjusted according to the positions of the three-jaw chuck 200, then the two electric push rods 310 are synchronously started to synchronously, the two electric push rods 310 are driven to move, and the two electric push rods can always move the two electric push rods are in parallel to the annular guide rails 320 to the two electric push rods to move along with the three-jaw chuck 320, and the annular guide rails are always to move along the annular guide rails 320, and can be positioned to be used for supporting the cutter to move along the tool 400 and the tool to be matched with the tool to be positioned.

The interference mechanism 400 comprises an L-shaped slide plate 410, one end of a long arm of the L-shaped slide plate 410 is slidably connected inside the annular guide rail 320, one side of the long arm of the L-shaped slide plate 410 is fixedly connected with an L-shaped connecting plate 420, a plurality of screwing holes 421 are formed in one side of the long arm of the L-shaped connecting plate 420, interference bolts 422 with one ends abutting against the other side of the annular guide rail 320 are screwed inside the plurality of screwing holes 421, a threaded hole 411 is formed in one side of a short arm of the L-shaped slide plate 410, a screw rod 430 is screwed inside the threaded hole 411, one end of the long arm of the L-shaped connecting plate 420 is fixedly connected with a fixing plate 450, one side of the fixing plate 450 is provided with a limiting hole 451, the outer side wall of the screw rod 430 is slidably sleeved inside the limiting hole 451, the screw rod 430 is limited by the fixing plate 450 and provides auxiliary support, the screw rod 430 is prevented from being skewed, the L-shaped slide plate 410 on the plurality of the interference mechanism 400 is adjusted to enable the plurality of interference mechanism 400 to uniformly scatter on the annular guide rail 320, the plurality of interference bolts 422 are screwed into the annular guide rail 320, the inner part of the plurality of screwing holes 421 and the annular guide rail 320, the positions of the interference mechanism 460 are screwed into the annular guide rail 460, the positions of the plurality of the interference mechanism 460 are screwed into the annular guide rail 460, the screw rod 430 is screwed into the position of the annular guide rail 430, the connecting plate 460, the three connecting rods are connected with the connecting blocks through the three connecting blocks, the connecting blocks are rotatably connected with the inner ends of the connecting blocks, and the connecting blocks 500, the connecting blocks are rotatably connected with one end of the connecting blocks 500, and one end of the connecting blocks is conveniently rotates, and one end of the connecting rod 500, and is conveniently connected to the connecting rod 500, and one end of and has and one end of and has and side. The movable clamping connection in the clamping sleeve 440 is provided with a supporting ball 441, when the three-jaw chuck 200 drives the rod-shaped workpiece to rotate through the supporting ball 441, the friction force between the workpiece and the end part of the screw rod 430 is reduced, the workpiece can still rotate when being abutted by the screw rods 430, and the screw rods 430 can further position the rod-shaped workpiece and assist in clamping and fixing.

Working principle: two mounting plates 311 are mounted on two opposite sides of the three-jaw chuck 200, two electric push rods 310 are controlled to start synchronously by arranging a two-to-one controller on the machine tool body 100, then rod-shaped workpieces are plugged into the three-jaw chuck 200 and clamped by the three-jaw chuck 200, then L-shaped sliding plates 410 on a plurality of abutting mechanisms 400 slide, so that the L-shaped sliding plates 410 uniformly walk on the annular guide rail 320, then abutting bolts 422 are screwed into screwing holes 421 on a plurality of L-shaped connecting plates 420, one ends of the abutting bolts 422 abut against the annular guide rail 320 to fix the positions of the L-shaped sliding plates 410, then the inserting rods 500 are sequentially inserted into insertion holes 461 on a plurality of connecting blocks 460 and rotate to drive adjacent screws 430 to rotate, and abutting balls 441 at one ends of the screws 430 abut against the outer side walls of the rod-shaped workpieces to support and position the rod-shaped workpieces;

during the cutting operation of the tool, a user can start the two electric push rods 310 to drive the annular guide rail 320 and the plurality of screw rods 430 to synchronously move, and slide on the outer side wall of the rod-shaped workpiece, so that the cutting operation of the tool is not easy to be affected.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely illustrative and explanatory of the utility model, as various modifications and additions may be made to the particular embodiments described, or in a similar manner, by those skilled in the art, without departing from the scope of the utility model or exceeding the scope of the utility model as defined in the claims.

Claims

1. The workpiece positioning mechanism of the numerical control machine tool comprises a machine tool body (100), wherein a three-jaw chuck (200) is rotatably arranged on one inner side wall of the machine tool body (100), and the workpiece positioning mechanism is characterized in that an adjusting mechanism (300) is fixedly connected to one inner side wall of the machine tool body (100), and a plurality of abutting mechanisms (400) are arranged on the adjusting mechanism (300);

adjustment mechanism (300) are including two electric putter (310), and two equal fixedly connected with mounting panel (311) of electric putter (310) one end, two mounting panel (311) are all through a bolt and an inside wall fixed connection of lathe body (100), two electric putter (310) one side is provided with annular guide (320), and the expansion end of two electric putter (310) all with annular guide (320) one side fixed connection, a plurality of conflict mechanism (400) all set up inside annular guide (320).

2. The workpiece positioning mechanism of a numerical control machine tool according to claim 1, wherein a center of one side of the annular guide rail (320) is horizontally parallel to a center of one side of the three-jaw chuck (200), and two electric pushers (310) are respectively located at both sides of the three-jaw chuck (200).

3. A numerically controlled machine tool workpiece positioning mechanism as in claim 2, wherein the annular rail (320) has a diameter greater than the diameter of the three-jaw chuck (200).

4. The workpiece positioning mechanism of a numerical control machine tool according to claim 1, wherein the abutting mechanism (400) comprises an L-shaped sliding plate (410), one end of a long arm of the L-shaped sliding plate (410) is slidably connected inside the annular guide rail (320), one side of the long arm of the L-shaped sliding plate (410) is fixedly connected with an L-shaped connecting plate (420), one side of the long arm of the L-shaped connecting plate (420) is provided with a plurality of screwing holes (421), a plurality of abutting bolts (422) with one ends abutting against the other side of the annular guide rail (320) are screwed inside the screwing holes (421), one side of a short arm of the L-shaped sliding plate (410) is provided with a threaded hole (411), and a screw (430) is screwed inside the threaded hole (411).

5. The workpiece positioning mechanism of a numerical control machine tool according to claim 4, wherein one end of the screw (430) is located inside the annular guide rail (320), one end of the screw (430) is fixedly connected with a clamping sleeve (440), and a ball abutting (441) is movably clamped inside the clamping sleeve (440).

6. The workpiece positioning mechanism of the numerical control machine tool according to claim 4, wherein one end of a long arm of the L-shaped connecting plate (420) is fixedly connected with a fixing plate (450), a limiting hole (451) is formed in one side of the fixing plate (450), and the outer side wall of the screw (430) is in sliding sleeve connection with the inside of the limiting hole (451).

7. The workpiece positioning mechanism of a numerical control machine tool according to claim 4, wherein the other end of the screw (430) is fixedly connected with a connecting block (460), a jack (461) is formed in the outer side wall of the connecting block (460), a plug rod (500) is arranged in the jack (461) in a matched mode, and one end of the plug rod (500) is movably inserted into the jack (461).