CN222626977U

CN222626977U - A CNC machining center auxiliary fixture

Info

Publication number: CN222626977U
Application number: CN202420993720.1U
Authority: CN
Inventors: 许伟声; 林颜; 梁志清; 陆永强
Original assignee: Guangdong Enqinier Special Plastics Co ltd
Current assignee: Guangdong Enqinier Special Plastics Co ltd
Priority date: 2024-05-08
Filing date: 2024-05-08
Publication date: 2025-03-18
Anticipated expiration: 2034-05-08

Abstract

The utility model discloses an auxiliary fixture for a CNC machining center, and relates to the technical field of CNC fixtures. The utility model comprises a fixture seat, four slide grooves are provided on the top of the fixture seat, a clamping block slidably connected to the slide grooves is movably connected to the top of the fixture seat, a cavity connected to the slide grooves is formed inside the fixture seat, a turntable is driven by a motor in the cavity, four connecting rods are connected to the outer wall of the turntable, one end of the connecting rod is movably connected to a swing rod, one end of the swing rod is rotatably connected to the bottom of the clamping block, and two of the four clamping blocks are provided with a clamping mechanism. During use, the auxiliary fixture for the CNC machining center can clamp the workpiece from above through the clamping mechanism when the workpiece to be processed is clamped by the clamping block, so as to ensure the reliability of the CNC fixture clamping the target and prevent the target workpiece from falling off the CNC fixture during the machining process.

Description

CNC machining center auxiliary fixtures anchor clamps

Technical Field

The utility model relates to the technical field of CNC (computer numerical control) clamps, in particular to an auxiliary tool clamp for a CNC machining center.

Background

CNC machining center is a digit control machine tool, carries out programming control by the numerical control processing language, and the processing of the processing tool through the numerical control has the advantages of processingquality stability, machining precision is high, and repetition precision is high, and production efficiency is higher under the circumstances of many varieties, small batch production, can reduce the time of production preparation, lathe adjustment and process inspection.

In the CNC processing process, before a series of operations such as polishing and cutting are carried out on some workpieces, the workpieces need to be clamped, therefore, a working clamp is needed to be used for fixing the workpieces, the workpieces are enabled to have correct positions, higher processing precision and working efficiency can be guaranteed, when the workpieces are clamped and fixed, the existing special clamp is usually provided with a plurality of clamping pieces which are close to each other so as to clamp the workpieces, the clamping of the workpieces is carried out by adopting the technical scheme that the clamping pieces are close to each other, the workpieces can only be clamped along the opposite directions of the two clamping pieces, in the workpiece clamping process, if the workpiece clamping is unstable, the workpieces easily fall off along the clamp in the processing process.

Disclosure of utility model

The utility model provides an auxiliary fixture for a CNC machining center, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme is that the CNC machining center auxiliary fixture comprises a fixture seat, four sliding grooves are formed in the top of the fixture seat, clamping blocks which are connected with the sliding grooves in a sliding mode are movably connected to the top of the fixture seat, a cavity communicated with the sliding grooves is formed in the fixture seat, a turntable is driven by a motor to the cavity, four connecting rods are connected to the outer wall of the turntable, one end of each connecting rod is movably connected with a swinging rod, one end of each swinging rod is rotatably connected with the bottoms of the clamping blocks, and a pressing mechanism is arranged on two of the four clamping blocks.

Further, two hold-down mechanisms are arranged on two adjacent clamping blocks.

Further, the two pressing mechanisms are arranged on the two opposite clamping blocks.

Further, hold-down mechanism includes mounting panel, bracing piece, depression bar and electric putter, the detachable connection mounting panel in top of grip block, the top installation bracing piece of mounting panel, the top swing joint depression bar of bracing piece, the electric putter of output shaft and the one end swing joint of depression bar is still installed at the top of mounting panel.

Further, a movable groove is formed in the bottom of the pressure rod, a movable block is movably connected in the movable groove, and an output shaft of the electric push rod is hinged to the movable block.

Further, corresponding mounting holes are formed in four corners of the top of the clamping block and the mounting plate, and the clamping block and the mounting plate are connected through the cooperation of the mounting holes and bolts.

Further, a protruding rod is installed at one end of the clamping block.

Compared with the prior art, the auxiliary fixture for the CNC machining center has the beneficial effects that in the using process, when the workpiece to be machined is clamped through the matching of the clamping blocks, the workpiece can be pressed from the upper side through the pressing mechanism, so that the reliability of the CNC fixture for clamping a target is ensured, and the target workpiece is prevented from falling off from the CNC fixture in the machining process.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the clamp seat of the present utility model;

FIG. 3 is a schematic view of a clamping block according to the present utility model;

fig. 4 is a schematic plan view of a compression bar according to the present utility model.

The clamping device comprises a clamping seat 1, a sliding groove 2, a clamping block 3, a cavity 4, a rotary table 5, a connecting rod 6, a 7, a swinging rod 8, a motor 9, a supporting rod 10, a pressing rod 11, an electric pushing rod 12, a movable groove 13, a movable block 14, a mounting plate 15, a convex rod 16 and a bolt.

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. 1-4, the utility model discloses an auxiliary fixture for a CNC machining center, which comprises a fixture seat 1, wherein four sliding grooves 2 are formed in the top of the fixture seat 1, a clamping block 3 which is in sliding connection with the sliding grooves 2 is movably connected to the top of the fixture seat 1, a cavity 4 which is communicated with the sliding grooves 2 is formed in the fixture seat 1, a turntable 5 is driven by the cavity 4 through a motor 8, four connecting rods 6 are connected to the outer wall of the turntable 5, one end of each connecting rod 6 is movably connected with a swinging rod 7, one end of each swinging rod 7 is rotatably connected with the bottom of the clamping block 3, and two of the four clamping blocks 3 are provided with a pressing mechanism.

The clamping block 3 is provided with a protruding part penetrating downwards through the chute 2, and the swing rod 7 is rotationally connected with the protruding part of the clamping block 3.

Specifically, two said hold-down mechanisms are arranged on two adjacent holding blocks 3.

In this embodiment, the pressing mechanism on the adjacent two clamping blocks 3 can apply pressure to the workpiece from above to ensure the stability of the workpiece.

Specifically, two said hold-down mechanisms are arranged on two opposite clamping blocks 3.

In this embodiment, the clamping mechanism on the two opposite clamping blocks 3 can ensure the stable clamping of the workpiece.

Specifically, hold-down mechanism includes mounting panel 14, bracing piece 9, depression bar 10 and electric putter 11, the detachable connection mounting panel 14 in top of grip block 3, mounting panel 14's top installation bracing piece 9, the top swing joint depression bar 10 of bracing piece 9, output shaft and the one end swing joint's of depression bar 10 electric putter 11 are still installed at the top of mounting panel 14.

The bottom of the pressure lever 10 is provided with a movable groove 12, a movable block 13 is movably connected in the movable groove 12, and an output shaft of the electric push rod 11 is hinged with the movable block 13.

In this embodiment, the movable groove 12 is a T-shaped groove, and the movable block 13 is a T-shaped block.

The extension and shortening of the output shaft of the electric push rod 11 can control the movable block 13 to move in the movable groove 12 so as to generate acting force on the press rod 10, so that the end part of the press rod 10 is lifted or put down, and the clamping operation on a workpiece is realized.

Specifically, corresponding mounting holes are formed in four corners of the tops of the clamping block 3 and the mounting plate 14, and the clamping block 3 and the mounting plate 14 are connected through the cooperation of the mounting holes and the bolts 16.

Specifically, a protruding rod 15 is installed at one end of the clamping block 3.

In this embodiment, the protruding rod 15 is arranged, so that the clamping block 3 can press the workpiece through the protruding rod 15 to achieve the clamping effect.

To sum up, this CNC machining center auxiliary fixture, in the in-process of using, when the work piece of waiting to process through the cooperation centre gripping of grip block 3, can push down the work piece from the top through hold-down mechanism to guarantee the reliability of this CNC fixture to the target centre gripping, prevent that the target work piece from coming off from CNC fixture at the course of working.

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

1. The auxiliary tool clamp for the CNC machining center comprises a clamp seat (1) and is characterized in that four sliding grooves (2) are formed in the top of the clamp seat (1), clamping blocks (3) which are in sliding connection with the sliding grooves (2) are movably connected to the top of the clamp seat (1), a cavity (4) which is communicated with the sliding grooves (2) is formed in the clamp seat (1), a turntable (5) is driven by a motor (8) in the cavity (4), four connecting rods (6) are connected to the outer wall of the turntable (5), one end of each connecting rod (6) is movably connected with a swinging rod (7), one end of each swinging rod (7) is rotatably connected with the bottom of each clamping block (3), and a pressing mechanism is arranged on two of the four clamping blocks (3).

2. The CNC machining center auxiliary fixture is characterized in that two pressing mechanisms are arranged on two adjacent clamping blocks (3).

3. The CNC machining center auxiliary fixture is characterized in that two pressing mechanisms are arranged on two opposite clamping blocks (3).

4. The CNC machining center auxiliary fixture of claim 1, wherein the pressing mechanism comprises a mounting plate (14), a supporting rod (9), a pressing rod (10) and an electric pushing rod (11), the top of the clamping block (3) is detachably connected with the mounting plate (14), the supporting rod (9) is mounted on the top of the mounting plate (14), the pressing rod (10) is movably connected with the top of the supporting rod (9), and the electric pushing rod (11) with an output shaft movably connected with one end of the pressing rod (10) is further mounted on the top of the mounting plate (14).

5. The CNC machining center auxiliary fixture is characterized in that a movable groove (12) is formed in the bottom of the pressing rod (10), a movable block (13) is movably connected in the movable groove (12), and an output shaft of the electric push rod (11) is hinged to the movable block (13).

6. The CNC machining center auxiliary fixture of claim 4, wherein corresponding mounting holes are formed in four corners of the tops of the clamping blocks (3) and the mounting plates (14), and the clamping blocks (3) and the mounting plates (14) are connected through the cooperation of the mounting holes and bolts (16).

7. The CNC machining center auxiliary fixture according to claim 1 is characterized in that a protruding rod (15) is arranged at one end of the clamping block (3).