CN218225513U

CN218225513U - Four-axis turntable clamp self-locking mechanism of machining center

Info

Publication number: CN218225513U
Application number: CN202222225254.6U
Authority: CN
Inventors: 薛涛
Original assignee: Yangzhou Xin3d Precision Machinery Co ltd
Current assignee: Yangzhou Xin3d Precision Machinery Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2023-01-06
Anticipated expiration: 2032-08-24

Abstract

The utility model relates to the technical field of machining centers, and discloses a four-axis turntable clamp self-locking mechanism of a machining center, which solves the problem that the current rotating rod is exposed outside, and when the rotating rod is touched from the outside, the rotating rod is easy to rotate, and then the rotating rod and the threaded rod are easy to drive to rotate, so that the clamping of a workpiece can be influenced; the utility model discloses, through the cooperation between rotary disk and movable rod and the screw rod, then can make two kelly downstream and with solid fixed ring separation, then can make the screw rod rotate, the spring is tensile simultaneously, and can make two kelly upstream be located corresponding locating hole inboard until its top when the spring resets, then can be fixed with the rotary disk to be convenient for fix the screw rod, avoid the rotary disk to take place to rotate because of external touching.

Description

Four-axis turntable clamp self-locking mechanism of machining center

Technical Field

The utility model belongs to the technical field of machining center, specifically be a machining center four-axis revolving stage anchor clamps self-locking mechanism.

Background

The numerical control machining center is a high-efficiency automatic machine tool which consists of mechanical equipment and a numerical control system and is suitable for machining complex parts, and the high-efficiency automatic machine tool is specially classified according to functions as follows: the machining center of a single workbench, a double workbench and a plurality of workbenches, the machining center of a single shaft, a double shaft, a three shaft and a replaceable spindle box and the like, wherein the circumferential feeding and the indexing of the three shaft machining center are implemented by a turntable and can be called as a fourth shaft, and the four shaft turntable can realize the cutting machining in a plane except a positioning surface or be linked with three coordinate shafts of X, Y and Z so as to machine various spheres, circular arc curves and the like; according to the authorization notice number: patent document No. cn202110372930.X entitled "a fixing device with self-locking mechanism for four-axis turntable clamp in machining center", which describes in the specification: the four-axis turntable clamp for the machining center is provided with a movable rod, a threaded rod, a butting block and a movable block by using a fixing device with an automatic locking mechanism, when the clamp needs to be installed, four groups of fixed blocks are respectively arranged above chamfers, then the rotating rod is rotated, the movable rod is driven to rotate when the rotating rod rotates, the threaded rod can move upwards when the movable rod rotates, the butting block can be butted with the four groups of movable blocks when the threaded rod moves upwards, and therefore four groups of clamping jaws rotate around the four groups of connecting rods, the four groups of fixed blocks are tightly butted with the four groups of chamfers, and the fixation is finished; the following drawbacks still exist:

its dwang exposes in the outside, and touches the dwang when external, makes it rotate easily, drives the rotation of movable rod and threaded rod then easily to can influence the centre gripping to the work piece.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a machining center four-axis revolving stage anchor clamps self-locking mechanism, the effectual present dwang of having solved exposes in the outside, and touches the dwang when the external world, makes its rotation easily, drives the rotation of movable rod and threaded rod then easily to can influence the problem to the centre gripping of work piece.

In order to achieve the above object, the utility model provides a following technical scheme: a self-locking mechanism of a four-axis turntable clamp of a machining center comprises a bottom plate, wherein a clamping mechanism is installed at the top of the bottom plate, sliding grooves are formed in the top of the bottom plate at equal angles, a locking mechanism is installed at the bottom of the bottom plate, and the locking mechanism is connected with the clamping mechanism;

the clamping mechanism comprises an inner rod fixed on the inner side of the sliding groove, a sliding block is movably mounted on the outer side of the inner rod, a top plate is fixedly mounted at the top of the sliding block, and a clamping plate is fixedly mounted on one side of the top plate.

Preferably, the bottom of the bottom plate is rotatably connected with a rotating column, a screw rod is fixedly installed at the bottom end of the rotating column, and a threaded sleeve is sleeved on the outer side of the screw rod in a threaded manner.

Preferably, the fixed sleeve is fixedly sleeved on the outer side of the screw sleeve, the outer side of the fixed sleeve is connected with a rotating rod in an equiangular rotation mode, and the top end of the rotating rod is connected with the bottom of the sliding block in a rotation mode.

Preferably, locking mechanism includes movable mounting in the movable rod of screw rod bottom, and the top of movable rod extends to the inboard of screw rod, and the bottom fixed mounting of movable rod has the rotary disk, and the equal fixed mounting in top both sides of rotary disk has the gag lever post, two gag lever posts all with screw rod swing joint.

Preferably, a spring is connected between the rotating disc and the screw rod, and the spring is movably sleeved with the movable rod.

Preferably, the bottom of bottom plate is equiangularly fixed to be installed with the sill bar, sill bar and fixed cover swing joint, and the bottom fixed mounting of sill bar has solid fixed ring, and solid fixed ring's bottom is equiangularly seted up the locating hole.

Preferably, clamping rods are fixedly mounted on two sides of the top of the rotating disc and are matched with the positioning holes.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The utility model discloses, through the cooperation between rotary disk and movable rod and the screw rod, then can make two kellies move downwards and separate with solid fixed ring, then can make the screw rod rotate, the spring is tensile simultaneously, and can make two kellies move upwards when the spring resets until its top is located corresponding locating hole inboard, then can fix the rotary disk to be convenient for fix the screw rod, avoid the rotary disk to take place to rotate because of external touching;

(2) This is novel through screw rod and swivel nut and fixed cover and the cooperation between the roof, can make then fixed cover downstream to through the cooperation between dwang and interior pole and slider and the roof, can make then four splint be close to each other, thereby be convenient for carry out the centre gripping to the work piece at bottom plate top and fix.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of the structure of the clamping mechanism of the present invention;

FIG. 4 is a schematic structural view of the locking mechanism of the present invention;

in the figure: 1. a base plate; 2. a clamping mechanism; 201. an inner rod; 202. rotating the rod; 203. a threaded sleeve; 204. a screw; 205. fixing a sleeve; 206. a slider; 207. a splint; 208. a top plate; 209. rotating the column; 3. a chute; 4. a locking mechanism; 401. a movable rod; 402. a spring; 403. a fixing ring; 404. a bottom bar; 405. positioning holes; 406. a clamping rod; 407. a limiting rod; 408. the disc is rotated.

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 some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Embodiment one is given by fig. 1-4, the utility model discloses a bottom plate 1, fixture 2 is installed at the top of bottom plate 1, and the angle such as top of bottom plate 1 is equipped with spout 3, and locking mechanism 4 is installed to the bottom of bottom plate 1, and locking mechanism 4 is connected with fixture 2.

In the second embodiment, on the basis of the first embodiment, the clamping mechanism 2 includes an inner rod 201 fixed on the inner side of the chute 3, a slider 206 is movably installed on the outer side of the inner rod 201, a top plate 208 is fixedly installed on the top of the slider 206, a clamping plate 207 is fixedly installed on one side of the top plate 208, a rotating column 209 is rotatably connected to the bottom of the bottom plate 1, a screw 204 is fixedly installed at the bottom end of the rotating column 209, a threaded sleeve 203 is sleeved on the outer side of the screw 204 in a threaded manner, a fixing sleeve 205 is fixedly sleeved on the outer side of the threaded sleeve 203, a rotating rod 202 is rotatably connected to the outer side of the fixing sleeve 205 at an equal angle, and the top end of the rotating rod 202 is rotatably connected to the bottom of the slider 206;

firstly, the rotating disc 408 is rotated to drive the screw 204 to rotate, and the screw sleeve 203 and the fixing sleeve 205 are driven to move downwards along the bottom rod 404, then the rotating rod 202 drives the sliding block 206 to move along the inner rod 201, and simultaneously drives the top plate 208 to move, at this time, the four clamping plates 207 are close to each other, and finally, the clamping and fixing of the top workpiece of the bottom plate 1 are completed.

In the third embodiment, on the basis of the first embodiment, the locking mechanism 4 includes a movable rod 401 movably mounted at the bottom end of the screw 204, the top end of the movable rod 401 extends to the inner side of the screw 204, a rotating disc 408 is fixedly mounted at the bottom end of the movable rod 401, stop rods 407 are fixedly mounted on both sides of the top of the rotating disc 408, both the two stop rods 407 are movably connected with the screw 204, a spring 402 is connected between the rotating disc 408 and the screw 204, the spring 402 is movably sleeved with the movable rod 401, a bottom rod 404 is fixedly mounted at the bottom of the base plate 1 at an equal angle, the bottom rod 404 is movably connected with the fixed sleeve 205, a fixed ring 403 is fixedly mounted at the bottom end of the bottom rod 404, a positioning hole 405 is formed at the bottom of the fixed ring 403 at an equal angle, clamping rods 406 are fixedly mounted on both sides of the top of the rotating disc 408, and the clamping rods 406 are adapted to the positioning hole 405;

firstly, the rotating disc 408 is moved downwards to drive the movable rod 401 to move downwards, at the moment, the spring 402 is stretched to drive the two clamping rods 406 to move downwards and separate from the fixed ring 403, then the rotating disc 408 is rotated to enable the screw 204 to rotate, after the screw 204 is rotated, the control on the rotating disc 408 is released, at the moment, the spring 402 is reset to drive the rotating disc 408 to move upwards and drive the two clamping rods 406 to move upwards until the top ends of the two clamping rods 406 are respectively positioned at the inner sides of the two positioning holes 405, at the moment, the position of the rotating disc 408 is fixed, and finally, the rotating disc 408 is prevented from being touched by the outside to rotate.

The working principle is as follows: when the clamping device is used, the rotating disc 408 is moved downwards at first, the movable rod 401 is driven to move downwards, the spring 402 is stretched at the moment, the two clamping rods 406 are driven to move downwards and are separated from the fixed ring 403, then the rotating disc 408 is rotated, the screw rod 204 is driven to rotate, the screw sleeve 203 and the fixed sleeve 205 are driven to move downwards along the bottom rod 404, then the slider 206 is driven to move along the inner rod 201 through the rotating rod 202, the top plate 208 is driven to move, the four clamping plates 207 are close to each other at the moment, clamping and fixing of a workpiece on the top of the bottom plate 1 are finished, then control over the rotating disc 408 is released, the spring 402 is reset at the moment, the rotating disc 408 is driven to move upwards, the two clamping rods 406 are driven to move upwards until the top ends of the two clamping rods 406 are located on the inner sides of the two positioning holes 405 respectively, the position of the rotating disc 408 is fixed at the moment, and finally, the rotating disc 408 is prevented from being touched by the outside to rotate.

Claims

1. The utility model provides a machining center four-axis revolving stage anchor clamps self-locking mechanism, includes bottom plate (1), its characterized in that: the clamping mechanism (2) is installed at the top of the bottom plate (1), sliding grooves (3) are formed in the top of the bottom plate (1) at equal angles, a locking mechanism (4) is installed at the bottom of the bottom plate (1), and the locking mechanism (4) is connected with the clamping mechanism (2);

the clamping mechanism (2) comprises an inner rod (201) fixed on the inner side of the sliding groove (3), a sliding block (206) is movably mounted on the outer side of the inner rod (201), a top plate (208) is fixedly mounted at the top of the sliding block (206), and a clamping plate (207) is fixedly mounted on one side of the top plate (208).

2. The self-locking mechanism of the four-axis turntable clamp of the machining center according to claim 1, characterized in that: the bottom of the bottom plate (1) is rotatably connected with a rotating column (209), a screw rod (204) is fixedly mounted at the bottom end of the rotating column (209), and a threaded sleeve (203) is sleeved on the outer side of the screw rod (204) in a threaded manner.

3. The self-locking mechanism of the four-axis turntable clamp of the machining center according to claim 2, characterized in that: the outer side of the threaded sleeve (203) is fixedly sleeved with a fixed sleeve (205), the outer side of the fixed sleeve (205) is connected with a rotating rod (202) in an equal-angle rotating mode, and the top end of the rotating rod (202) is connected with the bottom of the sliding block (206) in a rotating mode.

4. The self-locking mechanism of the four-axis turntable clamp of the machining center according to claim 1, characterized in that: locking mechanism (4) are including movable rod (401) of movable mounting in screw rod (204) bottom, and the top of movable rod (401) extends to the inboard of screw rod (204), and the bottom fixed mounting of movable rod (401) has rotary disk (408), and the equal fixed mounting in top both sides of rotary disk (408) has gag lever post (407), two gag lever posts (407) all with screw rod (204) swing joint.

5. The self-locking mechanism of the four-axis turntable clamp of the machining center according to claim 4, is characterized in that: a spring (402) is connected between the rotating disc (408) and the screw rod (204), and the spring (402) is movably sleeved with the movable rod (401).

6. The self-locking mechanism of the four-axis turntable clamp of the machining center according to claim 1, characterized in that: the bottom of bottom plate (1) is equiangularly fixed mounting has sill bar (404), sill bar (404) and fixed cover (205) swing joint, and the bottom fixed mounting of sill bar (404) has solid fixed ring (403), and locating hole (405) have been seted up to the bottom equiangularly of solid fixed ring (403).

7. The self-locking mechanism of the four-axis turntable clamp of the machining center according to claim 4, is characterized in that: clamping rods (406) are fixedly mounted on two sides of the top of the rotating disc (408), and the clamping rods (406) are matched with the positioning holes (405).