CN221658709U - Machining rotary table for numerical control machining center - Google Patents

Abstract

The utility model relates to a processing turntable for a numerical control machining center, which comprises a base, wherein the base of the workbench is provided with a turntable, the upper end surface of the turntable is provided with a chuck, the horizontal surface of the chuck is fixedly provided with five clamping jaw mechanisms, each clamping jaw mechanism comprises a fixing piece fixedly arranged on the horizontal surface of the chuck, the middle part of the fixing piece is slotted and is in sliding connection with a push rod, and the central part of the horizontal surface of the chuck is slotted and is provided with a cam mechanism. This numerical control machining center is with processing revolving stage, through setting up five clamping jaw mechanism, a cam mechanism, cooperation connecting piece sliding connection cam is grooved, cooperation chuck passes through screw threaded connection revolving stage for the revolving stage drives the chuck rotation, cooperation cam mechanism fixed connection workstation and joint chuck, and then makes clamping jaw mechanism carry out the clamp to the work piece automatically under the grooved orbit of cam and unclamp, realizes multistation self-holding and loosens, and the work efficiency of processing improves.

Description

A machining turntable for a CNC machining center

Technical Field

The utility model relates to the technical field of numerical control machining, in particular to a machining turntable for a numerical control machining center.

Background Art

The machining turntable for CNC machining center is a device used to process workpieces on CNC machining center. It is usually driven by a motor and can realize precise positioning and rotation of the workpiece in multiple axial directions, so as to perform multi-faceted machining, complex contour machining, multi-angle cutting and other operations. When machining workpieces by CNC, it is necessary to clamp the workpiece and then rotate the turntable to the workstation for machining. In the prior art, most of the clamping and loosening of the workpiece is achieved through T-slots. Before machining, it is first tightened by T-slot screws, and then rotated to the machining position by the turntable. After machining is completed, it is manually loosened by the T-slot screws to remove the workpiece. The whole process is relatively time-consuming and labor-intensive, affecting the work efficiency and safety of machining.

Utility Model Content

In view of the deficiencies in the prior art, the utility model provides a machining turntable for a CNC machining center, which has the advantages of automatic clamping and loosening at multiple stations, and solves the problems of time-consuming and labor-intensive manual clamping and loosening and low machining efficiency.

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a processing turntable for a CNC machining center, comprising a worktable, the worktable having a base, the worktable base being provided with a turntable, the upper end surface of the turntable being provided with a chuck, the horizontal surface of the chuck being fixedly mounted with five clamping jaw mechanisms, the clamping jaw mechanisms comprising a fixing part fixedly mounted on the horizontal surface of the chuck, the fixing part having a groove in the middle portion and being slidably connected with a push rod, the fixing part having a groove at the top, a sliding rod being fixedly mounted on the upper end surface of the push rod, and the sliding rod being slidably connected with the groove at the top of the fixing part, the top of the sliding rod being rotatably connected with two connecting rods, the bending portion of the connecting rod being rotatably connected with two ends of the fixing part, the central portion of the horizontal surface of the chuck being grooved and being provided with a cam mechanism.

Furthermore, a screw is fixedly installed at the bottom of the chuck, and the screw is threadedly connected to the turntable.

Furthermore, one end of the push rod that is slidably connected to the slot in the middle of the fixing member is fixedly connected to a spring.

Furthermore, the cam mechanism includes a cam, and the cam is provided with a cam groove.

Furthermore, a connecting piece is connected to the other end of the push rod, and the bottom of the connecting piece is slidably connected to the cam groove formed by the cam.

Furthermore, a fixing plate is fixedly installed on the horizontal surface of the cam, and the bottom of the fixing plate fits the top of the connecting piece, the top of the fixing plate is fixedly connected to the top of the workbench, and the chuck is clamped to the cam mechanism.

Compared with the prior art, the technical solution of this application has the following beneficial effects:

1. The machining turntable of the CNC machining center is provided with five clamping jaw mechanisms and a cam mechanism. The connecting piece is slidably connected to the groove of the cam. The chuck is threadedly connected to the turntable through a screw, so that the turntable drives the chuck to rotate. The cam mechanism is fixedly connected to the workbench and the chuck is clamped, so that the clamping jaw mechanism automatically clamps and releases the workpiece along the track of the groove of the cam, realizing automatic clamping and releasing of multiple stations, and improving the machining efficiency.

2. The machining turntable for the CNC machining center is provided with a fixing plate whose bottom is fitted to the top of the connecting piece, and the connecting piece is fixedly connected to the push rod, so that the connecting piece is prevented from falling off when it is slidably connected to the groove of the cam.

BRIEF DESCRIPTION OF THE DRAWINGS

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

Fig. 2 is a schematic diagram of the structure of the utility model;

Figure 3 is a schematic diagram of the clamping jaws and cam structure of the utility model;

In the figure: 1, workbench; 2, turntable; 3, chuck; 31, screw; 4, clamping mechanism; 41, fixing piece; 42, push rod; 43, sliding rod; 44, connecting rod; 45, spring; 46, connecting piece; 5, cam mechanism; 51, cam; 52, fixing plate.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Please refer to Figures 1-3. In this embodiment, a processing turntable for a CNC machining center includes a workbench 1. The workbench 1 has a base. The base of the workbench 1 is provided with a turntable 2. A chuck 3 is provided on the upper end surface of the turntable 2. Five clamping mechanisms 4 are fixedly installed on the horizontal surface of the chuck 3. The clamping mechanism 4 includes a fixing member 41 fixedly installed on the horizontal surface of the chuck 3. The fixing member 41 is grooved in the middle and is slidably connected to a push rod 42. The fixing member 41 is grooved at the top. A slide rod 43 is fixedly installed on the upper end surface of the push rod 42, and the slide rod 43 is slidably connected to the groove at the top of the fixing member 41. The top of the slide rod 43 is rotatably connected to two connecting rods 44. The bending portion of the connecting rod 44 is rotatably connected to the two ends of the fixing member 41. The center of the horizontal surface of the chuck 3 is grooved and provided with a cam mechanism 5.

In this embodiment, the chuck 3 is threadedly connected to the turntable 2 through the screw 31, and the clamping jaw mechanism 4 is slidably connected to the fixed plate 52 through the connecting piece 46, and the cam mechanism 5 is fixedly connected to the workbench 1, so that when the turntable 2 is rotated, the chuck 3 is driven to rotate, and the connecting piece 46 slides in the fixed plate 52. When the connecting piece 46 slides to the protrusion of the groove of the fixed plate 52, since the clamping jaw mechanism 4 is fixedly connected to the upper end surface of the chuck 3, the push rod 42 is pushed to move and squeeze the spring 45, and the push rod 42 is fixedly connected with the slide rod 43. The two connecting rods 44 are rotatably connected through the slide rod 43, so that the connecting rod 44 is opened to loosen the workpiece; when the connecting piece 46 slides to the non-protrusion of the groove of the fixed plate 52, the push rod 42 is pulled back, so that the two connecting rods 44 are closed to clamp the workpiece, thereby realizing the effect of automatic clamping and loosening of multiple stations and improving work efficiency.

It should be noted that the cam 51 in the cam mechanism 5 is fixedly connected to the workbench 1, and the cam 51 fits the connecting piece 46, so that the chuck 3 can rotate while the cam mechanism 5 does not rotate, and the cam 51 prevents the connecting piece 46 from falling off when sliding.

Please refer to FIG3 , in order to achieve multi-station automatic clamping and loosening, the clamping claw mechanism 4 and the cam mechanism 5 in this embodiment;

The cam mechanism 5 includes a cam 51, which has a cam groove. The other end of the push rod 42 is connected to a connecting piece 46. The bottom of the connecting piece 46 is slidably connected to the cam groove formed by the cam 51. A fixing plate 52 is fixedly installed on the horizontal plane of the cam 51, and the bottom of the fixing plate 52 fits the top of the connecting piece 46. The top of the fixing plate 52 is fixedly connected to the top of the workbench 1, and the chuck 3 is clamped to the cam mechanism 5.

In this embodiment, a connecting member 46 is provided to be slidably connected to the groove of the fixed plate 52, and the top of the connecting member 46 is attached to the fixed plate 52 fixedly installed on the upper end surface of the cam 51, so that the connecting member 46 is prevented from falling off when sliding, and a cam mechanism 5 is provided to be fixedly connected to the workbench 1, so that the cam mechanism 5 is fixed when the chuck 3 rotates, and the connecting member 46 slides on the fixed plate 52, cooperates with a plurality of clamping mechanisms 4, so that when the connecting member 46 slides to the convex groove of the fixed plate 52, the clamping mechanism 4 releases the workpiece, and when it slides to the non-convex groove of the fixed plate 52, the clamping mechanism 4 clamps the workpiece, thereby realizing the effect of automatic clamping and loosening of multiple stations.

The working principle of the above embodiment is:

The staff threadedly connects the chuck 3 to the threaded hole of the turntable 2, drives the turntable 2 to rotate, and makes the chuck 3 rotate with the turntable 2. The five clamping jaw mechanisms 4 are fixedly installed on the chuck 3, and the push rod 42 in the clamping jaw mechanism 4 is fixedly connected to the connecting piece 46, and the connecting piece 46 is slidably connected to the groove of the cam mechanism 5. When 4 passes through the protrusion of the fixed plate 52 during rotation, it pushes the push rod 42 to move and squeeze the spring 45, and cooperates with the slide rod 43 fixed on the upper end surface of the push rod 42. The two connecting rods 44 are rotatably connected through the slide rod 43, so that the connecting rod 44 opens to loosen the workpiece. When passing through the non-protruding part of the fixed plate 52, the push rod 42 is pulled back, and the connecting rod 44 closes to clamp the workpiece, thereby realizing multi-station automatic clamping and loosening, solving the time-consuming and labor-intensive problem of manual clamping and loosening, and improving work efficiency.

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

Claims (6)

1. The utility model provides a numerical control machining center is with processing revolving stage, includes workstation (1), workstation (1) have a base, workstation (1) base is equipped with a revolving stage (2), its characterized in that: the rotary table is characterized in that a chuck (3) is arranged on the upper end face of the rotary table (2), five clamping jaw mechanisms (4) are fixedly arranged on the horizontal surface of the chuck (3), each clamping jaw mechanism (4) comprises a fixing piece (41) fixedly arranged on the horizontal surface of the chuck (3), a middle part of each fixing piece (41) is grooved and is slidably connected with a push rod (42), the top of each fixing piece (41) is grooved, a sliding rod (43) is fixedly arranged on the upper end face of each push rod (42), the sliding rods (43) are slidably connected with the grooves in the top of each fixing piece (41), two connecting rods (44) are rotatably connected to the tops of the sliding rods (43), and the central parts of the horizontal surfaces of the chucks (3) are grooved and are provided with cam mechanisms (5).

2. The machining turret for a numerical control machining center according to claim 1, wherein: the bottom of the chuck (3) is fixedly provided with a screw rod (31), and the screw rod (31) is in threaded connection with the turntable (2).

3. The machining turret for a numerical control machining center according to claim 1, wherein: the push rod (42) is connected with one end of the slot formed in the middle of the fixing piece (41) in a sliding mode, and a spring (45) is fixedly connected with the end.

4. The machining turret for a numerical control machining center according to claim 1, wherein: the cam mechanism (5) comprises a cam (51), and the cam (51) is provided with a cam groove.

5. The machining turret for a numerical control machining center according to claim 4, wherein: the other end of the push rod (42) is connected with a connecting piece (46), and the bottom of the connecting piece (46) is connected with a cam groove formed in the cam (51) in a sliding mode.

6. The machining turret for a numerical control machining center according to claim 5, wherein: the cam (51) is fixedly provided with a fixing plate (52) on the horizontal plane, the bottom of the fixing plate (52) is attached to the top of the connecting piece (46), the top of the fixing plate (52) is fixedly connected with the top of the workbench (1), and the chuck (3) is clamped with the cam mechanism (5).