CN220073999U - Milling machine fixture capable of being used for numerical control milling machine - Google Patents

Abstract

The utility model discloses a milling machine fixture for a numerical control milling machine, which comprises a base; the clamping structure comprises a strip-shaped groove, a first threaded rod, a sliding clamping plate, a fixed clamping plate and a first rotating handle; the utility model relates to the technical field of milling machine clamps, in particular to the milling machine clamp which comprises a supporting structure, wherein a trapezoid slider is arranged in the inner cavity of the bottom of a sliding clamping plate in a sliding manner, a plurality of through holes are formed in the lower end of the inner cavity and perpendicular to the inclined surface of the trapezoid slider, supporting blocks which can be abutted against the upper surface of a base are arranged on the inner sides of the through holes, the tops of the supporting blocks are in sliding connection with the inclined surface of the trapezoid slider, and a driving assembly for driving the trapezoid slider to move is arranged on the sliding clamping plate.

Description

Milling machine fixture capable of being used for numerical control milling machine

Technical Field

The utility model relates to the technical field of milling machine fixtures, in particular to a milling machine fixture capable of being used for a numerical control milling machine.

Background

Milling machines mainly refer to machine tools for machining various surfaces of a workpiece by using milling cutters. Typically, the milling cutter is moved mainly in a rotary motion, and the movement of the workpiece and the milling cutter is a feed motion. It can be used for machining plane and groove, and also can be used for machining various curved surfaces and gears, etc.

In the prior art, when a milling machine processes a workpiece, the workpiece is clamped and fixed through a mounting fixture on the milling machine, but because a milling cutter can vibrate when cutting the workpiece, the clamping structure is easy to loosen in the long term, and the cutting precision of the milling machine is affected.

Disclosure of Invention

The utility model aims to provide a milling machine fixture for a numerical control milling machine, which solves the problems that the milling machine can vibrate when cutting a workpiece, so that the clamping structure is easy to loosen and the cutting precision of the milling machine is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a milling machine fixture for use in a numerically controlled milling machine, comprising:

a base;

the clamping structure comprises a strip-shaped groove arranged on the base, a first threaded rod is rotatably arranged on the inner side of the strip-shaped groove, a sliding clamping plate is connected to the first threaded rod in a threaded manner, a fixed clamping plate is arranged on the base and located on one side of the strip-shaped groove, and one end of the first threaded rod, far away from the fixed clamping plate, penetrates through the strip-shaped groove and is provided with a first rotating handle;

the supporting structure comprises an inner cavity arranged at the bottom of the sliding clamping plate, a trapezoidal sliding block is slidably arranged in the inner cavity, a plurality of through holes are formed in the lower end of the inner cavity vertically and in the inclined plane of the trapezoidal sliding block, supporting blocks capable of being abutted to the upper surface of the base are arranged on the inner sides of the through holes, the top of each supporting block is slidably connected with the inclined plane of the trapezoidal sliding block, and a driving assembly for driving the trapezoidal sliding block to move is arranged on the sliding clamping plate.

Preferably, the drive assembly includes the second threaded rod of rotation installation between the upper and lower inner wall of inner chamber, the drive assembly is including rotating the second threaded rod of installing between the upper and lower inner wall of inner chamber and with trapezoidal slider threaded connection, the top of second threaded rod runs through the inner chamber and is equipped with the turbine, be equipped with the worm with turbine looks adaptation on the slip splint, the one end of worm is equipped with the second stem.

Preferably, the inclined surface of the trapezoid slide block is provided with a T-shaped slide rail, and the support block is provided with a slide groove matched with the T-shaped slide rail.

Preferably, a plurality of guide rods penetrating through the trapezoidal sliding blocks are arranged between the upper surface and the lower surface of the inner cavity.

Preferably, the bottom of supporting shoe is equipped with spacing tooth, the upper surface of base is equipped with spacing tooth's socket with spacing tooth matched with.

Compared with the prior art, the utility model has the beneficial effects that: according to the milling machine fixture capable of being used for the numerical control milling machine, after the workpiece is clamped through the clamping structure during machining, the driving assembly drives the second threaded rod to rotate, the second threaded rod drives the trapezoidal sliding block to move downwards, the trapezoidal sliding block drives the supporting block to abut against the upper surface of the base, the supporting block supports the sliding clamping plate, the fixing effect of clamping the workpiece is improved, the clamping structure is prevented from loosening in the process of cutting the workpiece for a long time, and the cutting precision of the milling machine is guaranteed.

Drawings

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

FIG. 2 is a left cross-sectional schematic view of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

FIG. 4 is a schematic view of a partial enlarged structure at A in FIG. 1;

fig. 5 is a schematic structural view of the support block of the present utility model.

In the figure: 1. a base; 2. a strip-shaped groove; 3. a first threaded rod; 4. a sliding clamping plate; 5. a fixed clamping plate; 6. a first swivel handle; 7. an inner cavity; 8. a trapezoidal slider; 9. a through port; 10. a support block; 11-1, a second threaded rod; 11-2, a turbine; 11-3, a worm; 11-4, a second rotating handle; 12. a T-shaped slide rail; 13. a chute; 14. a guide rod; 15. limit teeth; 16. limiting tooth grooves.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but 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.

Referring to fig. 1-5, the present utility model provides a technical solution: a milling machine fixture for a numerical control milling machine comprises a base 1; the clamping structure comprises a strip-shaped groove 2 arranged on a base 1, a first threaded rod 3 is rotatably arranged on the inner side of the strip-shaped groove 2, a sliding clamping plate 4 is connected to the first threaded rod 3 in a threaded manner, a fixed clamping plate 5 is arranged on the base 1 and located on one side of the strip-shaped groove 2, one end of the first threaded rod 3, which is far away from the fixed clamping plate 5, penetrates through the strip-shaped groove 2 and is provided with a first rotating handle 6, the first threaded rod 3 is driven to rotate by rotating the first rotating handle 6, and the first threaded rod 3 is enabled to rotate to drive the sliding clamping plate 4 to be close to the fixed clamping plate 5 so as to achieve clamping operation on a workpiece.

Specifically, bearing structure is including setting up in the inner chamber 7 of slip splint 4 bottom, the inside slidable mounting of inner chamber 7 has trapezoidal slider 8, the lower extreme of inner chamber 7 is perpendicular to be equipped with a plurality of openings 9 with trapezoidal slider 8 inclined plane, the inboard of opening 9 is equipped with the supporting shoe 10 that can contradict with base 1 upper surface, the top of supporting shoe 10 and trapezoidal slider 8 inclined plane sliding connection, be equipped with the drive assembly that drive trapezoidal slider 8 removed on the slip splint 4, drive trapezoidal slider 8 and remove through drive assembly, drive supporting shoe 10 removal through trapezoidal slider 8 inclined plane, and support with base 1's upper surface is inconsistent, realize supporting shoe 10 to slip splint 4 support, the fixed effect to the work piece centre gripping has been increased, the in-process that has avoided the clamping structure to cut the work piece in the past has led to the clamping structure to loosen for a long time, the cutting accuracy of milling machine has been guaranteed.

Specifically, the drive assembly includes the second threaded rod 11-1 of rotation installation between the upper and lower inner wall of inner chamber 7, the drive assembly is including rotating the second threaded rod 11-1 of installing between the upper and lower inner wall of inner chamber 7 and with trapezoidal slider 8 threaded connection, the top of second threaded rod 11-1 runs through inner chamber 7 and is equipped with turbine 11-2, be equipped with on the slip splint 4 with turbine 11-2 looks adaptation worm 11-3, the one end of worm 11-3 is equipped with second turnhandle 11-4, drive worm 11-3 through rotating second turnhandle 11-4 and rotate, drive worm wheel 11-2 and second threaded rod 11-1 through worm 11-3 and rotate, realized driving trapezoidal slider 8 and reciprocate, and through the auto-lock between the worm wheel and the worm, trapezoidal slider 8 is not hard up when having avoided processing the work piece.

Specifically, a T-shaped sliding rail 12 is arranged on the inclined surface of the trapezoidal sliding block 8, a sliding groove 13 matched with the T-shaped sliding rail 12 is arranged on the supporting block 10, and the supporting block 10 is driven to reset when the trapezoidal sliding block 8 ascends through the matching of the T-shaped sliding rail 12 and the sliding groove 13.

Specifically, a plurality of guide rods 14 penetrating through the trapezoidal sliding blocks 8 are arranged between the upper surface and the lower surface of the inner cavity 7, and the sliding stability of the trapezoidal sliding blocks 8 is ensured by arranging the guide rods 14.

Specifically, the bottom of supporting shoe 10 is equipped with spacing tooth 15, and the upper surface of base 1 is equipped with spacing tooth groove 16 with spacing tooth 15 matched with, when supporting shoe 10 and base 1 support, carries out the joint through spacing tooth 15 and spacing tooth groove 16, has avoided supporting shoe 10 to slide on base 1, has guaranteed the stability that supporting shoe 10 supported slide clamp plate 4.

Working principle: in the use process of the utility model, the first rotating handle 6 is rotated to drive the first threaded rod 3 to rotate, the first threaded rod 3 is rotated to drive the sliding clamping plate 4 to be close to the clamping of the fixed clamping plate 5 on a workpiece, the second rotating handle 11-4 is rotated to drive the worm 11-3 to rotate, the worm 11-3 is used for driving the worm wheel 11-2 and the second threaded rod 11-1 to rotate, the second threaded rod 11-1 is used for driving the trapezoid slide block 8 to move downwards, and the inclined surface of the trapezoid slide block 8 is used for driving the supporting block 10 to move and to prop against the upper surface of the base 1 to realize supporting.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.

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

Claims (5)

1. Milling machine fixture usable in a numerically controlled milling machine, characterized by comprising:

a base (1);

the clamping structure comprises a strip-shaped groove (2) arranged on the base (1), a first threaded rod (3) is rotatably arranged on the inner side of the strip-shaped groove (2), a sliding clamping plate (4) is connected to the first threaded rod (3) in a threaded mode, a fixed clamping plate (5) is arranged on the base (1) and located on one side of the strip-shaped groove (2), and one end, far away from the fixed clamping plate (5), of the first threaded rod (3) penetrates through the strip-shaped groove (2) and is provided with a first rotating handle (6);

the supporting structure comprises an inner cavity (7) arranged at the bottom of the sliding clamping plate (4), a trapezoidal sliding block (8) is slidably mounted in the inner cavity (7), a plurality of through holes (9) are formed in the lower end of the inner cavity (7) perpendicularly and in an inclined plane of the trapezoidal sliding block (8), supporting blocks (10) capable of being abutted against the upper surface of the base (1) are arranged on the inner side of the through holes (9), the top of the supporting blocks (10) is slidably connected with the inclined plane of the trapezoidal sliding block (8), and a driving assembly for driving the trapezoidal sliding block (8) to move is arranged on the sliding clamping plate (4).

2. A milling machine fixture for a numerically controlled milling machine as in claim 1, wherein: the driving assembly comprises a second threaded rod (11-1) which is rotatably installed between the upper inner wall and the lower inner wall of the inner cavity (7), the driving assembly comprises a second threaded rod (11-1) which is rotatably installed between the upper inner wall and the lower inner wall of the inner cavity (7) and is in threaded connection with the trapezoidal sliding block (8), the top of the second threaded rod (11-1) penetrates through the inner cavity (7) and is provided with a turbine (11-2), a worm (11-3) which is matched with the turbine (11-2) is arranged on the sliding clamping plate (4), and one end of the worm (11-3) is provided with a second rotating handle (11-4).

3. A milling machine fixture for a numerically controlled milling machine as in claim 1, wherein: the trapezoid sliding block (8) is provided with a T-shaped sliding rail (12) on an inclined surface, and the supporting block (10) is provided with a sliding groove (13) matched with the T-shaped sliding rail (12).

4. A milling machine fixture for a numerically controlled milling machine as in claim 1, wherein: a plurality of guide rods (14) penetrating through the trapezoid sliding blocks (8) are arranged between the upper surface and the lower surface of the inner cavity (7).

5. A milling machine fixture for a numerically controlled milling machine as in claim 1, wherein: the bottom of supporting shoe (10) is equipped with spacing tooth (15), the upper surface of base (1) is equipped with spacing tooth's socket (16) with spacing tooth (15) matched with.