CN218696270U - Fixing device for five-axis machining center - Google Patents

Abstract

The application discloses a fixing device for a five-axis machining center, which comprises a clamping block and a lifting rod, wherein the clamping block is arranged on the lifting rod, a rotator is arranged on the lifting rod, the rotator is connected with the clamping block, the lifting rod is arranged on a clamping mechanism, the clamping mechanism is arranged on a base, and the base is arranged on a workbench through a bolt; through the spout that sets up the symmetry form on the base, and install fixture in the spout, make the motor B on the fixture start the back, it is rotatory to drive gear C, make the gear D who meshes with gear C rotate, the screw rod of installing on gear D is rotatory, the movable block that passes through the bearing connection on the screw rod moves on the screw rod, the grip block of installation on the lifter that makes on the movable block carries out centre gripping fixed to the processing work piece of placing on the base, prevent that five-axis machining center is carrying out the course of working to the work piece, the work piece slides and removes the machining precision that influences the work piece, solve the problem that the work piece is difficult to the turn-over in the course of working simultaneously.

Description

Fixing device for five-axis machining center

Technical Field

The disclosure relates to the technical field of machining fixing devices, in particular to a fixing device for a five-axis machining center.

Background

The five-axis machining center is also called as a five-axis linkage machining center, is a machining center which is high in technological content and precision and is specially used for machining complex curved surfaces, and is provided with five axes of x, y, z, a and c, wherein the xyz and the ac axes form five-axis linkage machining, and the five-axis linkage machining center is good at spatial curved surface machining, special-shaped machining, hollow machining, punching, inclined hole, beveling and the like. The pentahedral machining center is similar to a triaxial machining center, but five faces can be machined at the same time, but the pentahedral machining center cannot be used for special-shaped machining, inclined hole drilling, inclined plane cutting and the like.

The high-precision mechanical part needs to be fixed and installed by using a clamp when the high-precision mechanical part is subjected to three-dimensional machining, and the conventional mechanical part fixing device is mainly used for fixing a square object or a cylindrical object singly when the conventional mechanical part fixing device is used. In the patent, 10/15/2021, a fixing device for five-axis machining center (No. CN 214393250U) published by the national patent office proposes to place a square machine part or a cylindrical machine part to be machined between two sets of the clamping and fixing mechanisms above a base plate. Rotating arc splint one side and removing the regulating part, arc splint press close to the backup pad, and the extensible member output promotes backup pad and square splint and removes for the fixed square spare part of two sets of square splint centre gripping. The adjusting piece is moved on one side of the square clamping plate in a rotating mode, the square clamping plate is pressed close to the supporting plate, the output end of the telescopic piece pushes the supporting plate and the arc-shaped clamping plates to move, square parts are fixed through clamping of the two sets of arc-shaped clamping plates, and clamping of the parts is more convenient.

However, in the use process, the workpiece cannot be turned over, after a machining surface of the machined workpiece is machined, the fixed bottom surface needs to be machined, and at this time, a worker needs to detach the machined workpiece, turn over the workpiece and fix the workpiece on the fixing device, so that the fixing mode influences the machining efficiency and the machining quality of the five-axis machining center on the machined workpiece. In order to improve the traditional clamping and fixing mode, the fixing device for the five-axis machining center is particularly provided, and the problem of workpiece turnover in the machining process is solved.

Disclosure of Invention

In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide a five-axis machining center fixture.

In a first aspect, the present application provides a five-axis machining center fixing device, including:

the lifting rod is provided with a clamping block, the lifting rod is provided with a rotator, the rotator is connected with the clamping block, the lifting rod is arranged on a clamping mechanism, the clamping mechanism is arranged on a base, and the base is arranged on a workbench through bolts.

According to the technical scheme that this application embodiment provided, the grip block includes fixed plate A, connecting block and fixed plate B, fixed plate A with fixed plate B is the symmetry form and installs the connecting block both sides, just install rotary mechanism in the mounting groove A in the connecting block, rotary mechanism last rotary rod both ends respectively with fixed plate A with fixed plate B connects.

According to the technical scheme that this application embodiment provided, rotary mechanism include motor A, gear B and the rotary rod, the rotary rod is installed on the gear B, gear B with gear A meshing, gear A through pivot A with motor A is connected.

According to the technical scheme that this application embodiment provided, be provided with on the lifter the circulator, the circulator pass through connecting rod A with the grip block is connected, just still be provided with the constant head tank on the lifter, the constant head tank with the locating lever joint that sets up on the grip block.

According to the technical scheme provided by the embodiment of the application, the base is provided with a sliding groove, and the moving block on the clamping mechanism is installed in the sliding groove.

According to the technical scheme that this application embodiment provided, fixture includes motor B, gear C, gear D, screw rod and movable block, the movable block is installed on the screw rod, just the stopper is installed at both ends about the screw rod, the screw rod is installed gear D is last, gear D with gear C meshes, gear C through pivot B with motor B is connected.

According to the technical scheme provided by the embodiment of the application, the moving block is connected with the screw rod through a bearing.

In summary, the technical scheme specifically discloses a fixing device for a five-axis machining center, wherein symmetrical chutes are formed in a base, and a clamping mechanism is installed in the chutes, so that a motor B on the clamping mechanism is started to drive a gear C to rotate, so that a gear D meshed with the gear C rotates, a screw rod installed on the gear D rotates, a moving block connected to the screw rod through a bearing moves on the screw rod, a clamping block installed on a lifting rod installed on the moving block clamps and fixes a machining workpiece placed on the base, and the workpiece sliding and moving of the five-axis machining center during the machining process of the workpiece are prevented from affecting the machining precision of the workpiece;

the fixed plate A and the fixed plate B which are of an arc structure and a rectangular structure are arranged on the clamping block, and the fixed plate A and the fixed plate B are arranged on the connecting block through the rotating mechanism, so that after the fixed plate A or the fixed plate B clamps and processes a processed workpiece, the gear A connected with the motor A is driven to rotate after the motor A on the rotating mechanism is started, the gear B meshed with the gear A rotates, the rotating rod arranged on the gear B rotates to drive the processed workpiece clamped by the fixed plate A or the fixed plate B to overturn, the position of the five-axis processing center for processing the workpiece is adjusted, and the processing efficiency of the five-axis processing center is improved;

the lifting rod is symmetrically arranged on the moving block on the base, so that after one side of a processed workpiece is processed, the lifting rod rises, the rotating mechanism arranged on the clamping block drives the processed workpiece clamped by the clamping block to turn over after rising, processing of different surfaces is carried out, the processing efficiency is improved, the rotator is arranged at the top end of the lifting rod, the connecting rod A on the rotator is connected with the clamping block, when the clamping surface of the processed workpiece is a cambered surface or a plane, the rotator drives the clamping block to rotate, the clamping block is enabled to convert a fixed plate clamped by the workpiece, the clamping block is enabled to be suitable for clamping and fixing workpieces with different structures, and the processing efficiency of a five-axis processing center is improved.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

fig. 1 is a schematic structural view of a fixing device for a five-axis machining center.

Fig. 2 is a front view of a five-axis machining center fixture.

Fig. 3 is a top view of a five-axis machining center fixture.

Fig. 4 is an exploded view of a five-axis machining center fixture.

FIG. 5 is a schematic view of a clamping mechanism.

Fig. 6 is a schematic view of the moving block structure.

Fig. 7 is a schematic view of a clamping block structure.

Fig. 8 is a schematic structural view of the rotating mechanism.

Reference numbers in the figures: 1. a clamping block; 1.1, connecting blocks; 1.2, fixing a plate A;1.3, fixing plate B; 2. a lifting rod; 2.1, a rotator; 2.2, positioning a groove; 3. a clamping mechanism; 3.1, motor B;3.2, gear C;3.3, gear D;3.4, a screw rod; 3.5, a bearing; 3.6, a limiting block; 4. a moving block; 5. a base; 5.1, a chute; 6. a work table; 7. a rotation mechanism; 7.1, motor A;7.2, gear A;7.3, gear B;7.4, rotating the rod.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example one

Referring to fig. 1 to 8, in a fixing device for a five-axis machining center, a clamping block 1 is mounted on a lifting rod 2, a rotator 2.1 is mounted on the lifting rod 2, the rotator 2.1 is connected with the clamping block 1, the lifting rod 2 is mounted on a clamping mechanism 3, the clamping mechanism 3 is mounted on a base 5, and the base 5 is mounted on a worktable 6 through bolts.

Be provided with spout 5.1 on the base 5, spout 5.1 has two, and spout 5.1 is the symmetry form and sets up in the base 5 left and right sides, 4 slidable mounting of movable block on fixture 3 are in spout 5.1, 4 activities of movable block set up on screw rod 3.4, and both ends install stopper 3.6 about screw rod 3.4, screw rod 3.4 is installed on gear D3.3, gear D3.3 and gear 3.2C meshing, gear C3.2 is connected with motor B3.1 through pivot B, movable block 4 is connected with screw rod 3.4 through bearing 3.5, bearing 3.5 inner circle and screw rod 3.4 looks spiro union, and movable block 4 has two, movable block 4 is the symmetry form and sets up on screw rod 3.4.

Fixed plate A1.2 and fixed plate B1.3 on the grip block 1 are the symmetry and install in connecting block 1.1 both sides, fixed plate A1.2 is the arc structure fixed plate, and fixed plate B1.3 is the rectangle structure fixed plate, install rotary mechanism 7 in the mounting groove A in the connecting block 1.1, rotary rod 7.4 and fixed plate A1.2 and fixed plate B1.3 on the rotary mechanism 7 are connected, rotary rod 7.4 on the rotary mechanism 7 is installed on gear B7.3, gear B7.3 and gear A7.2 meshing, gear A7.2 is connected with motor A7.1 through pivot A.

Grip block 1, lifter 2 have two sets ofly, and grip block 1 and lifter 2 are the symmetry and describe and install on movable block 4, are provided with circulator 2.1 on the lifter 2, and circulator 2.1 is connected with grip block 1 through connecting rod A, and still is provided with constant head tank 2.2 on the lifter 2, constant head tank 2.2 and the locating lever joint that sets up on the grip block 1.

The working principle is as follows: before the five-axis machining center carries out curved surface machining on a machined workpiece, a worker fixes a base 5 on a workbench 6 and places the machined workpiece on the base 5, a clamping mechanism 3 on the base 5 is driven by a motor B3.1 to move in a sliding groove 5.1, so that a clamping block 1 clamps and fixes the machined workpiece, before clamping and fixing are carried out, the worker controls the clamping block 1 connected on a lifting rod 2 to rotate through a controller, a fixing plate A1.2 or a fixing plate B1.3 on the clamping block 1 is connected with the machined workpiece, and the machined workpiece is clamped and fixed under the driving of the clamping mechanism 3, the fixing efficiency and the fixing quality of the fixing device to the workpiece are improved, and meanwhile, the machining efficiency and the machining quality of the five-axis machining center to the workpiece are improved.

The fixed plate A1.2 and the fixed plate B1.3 which are of an arc structure and a rectangular structure are arranged on the clamping block 1, the fixed plate A1.2 and the fixed plate B1.3 are arranged on the connecting block 1.1 through the rotating mechanism 7, after the workpiece to be machined is fixedly machined by the fixed plate A1.2 or the fixed plate B1.3, the gear A7.2 connected with the motor A7.1 is driven to rotate after the motor A7.1 on the rotating mechanism 7 is started, the gear B7.3 meshed with the gear A7.2 rotates, and the rotating rod 7.4 arranged on the gear B7.3 rotates to drive the workpiece to be machined clamped by the fixed plate A1.2 or the fixed plate B1.3 to overturn, so that the position of workpiece machining on a five-axis machining center is adjusted, and the machining efficiency of the five-axis machining center is improved.

The lifting rod 2 is symmetrically arranged on the moving block 4 on the base 5, after one side of a processed workpiece is processed, the lifting rod 2 rises, the rotating mechanism 7 arranged on the clamping block 1 drives the processed workpiece clamped by the clamping block 1 to turn over after rising, processing of different surfaces is carried out, and the processing efficiency is improved.

The symmetrical sliding grooves 5.1 are formed in the base 5, the clamping mechanism 3 is installed in the sliding grooves 5.1, the motor B3.1 on the clamping mechanism 3 is started to drive the gear C3.2 to rotate, the gear D3.3 meshed with the gear C3.2 is rotated, the screw rod 3.4 installed on the gear D3.3 rotates, the moving block 4 connected to the screw rod 3.4 through the bearing 3.5 moves on the screw rod 3.4, the clamping block 1 installed on the lifting rod 2 installed on the moving block 3.4 clamps and fixes a machining workpiece placed on the base 5, and the workpiece sliding and moving in the machining process of the workpiece in the five-axis machining center are prevented from affecting the machining precision of the workpiece.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims (7)

1. The utility model provides a five machining center are with fixing device which characterized in that includes:

lifter (2), install grip block (1) on lifter (2), just install circulator (2.1) on lifter (2), circulator (2.1) with grip block (1) is connected, lifter (2) are installed on fixture (3), just fixture (3) are installed on base (5), base (5) are installed on workstation (6) through the bolt.

2. The fixing device for the five-axis machining center according to claim 1, wherein the clamping block (1) comprises a fixing plate A (1.2), a connecting block (1.1) and a fixing plate B (1.3), the fixing plate A (1.2) and the fixing plate B (1.3) are symmetrically installed on two sides of the connecting block (1.1), a rotating mechanism (7) is installed in an installation groove A in the connecting block (1.1), and two ends of a rotating rod (7.4) on the rotating mechanism (7) are respectively connected with the fixing plate A (1.2) and the fixing plate B (1.3).

3. A five-axis machining center fixing device according to claim 2, characterized in that the rotating mechanism (7) comprises a motor a (7.1), a gear a (7.2), a gear B (7.3) and the rotating rod (7.4), the rotating rod (7.4) is mounted on the gear B (7.3), the gear B (7.3) is meshed with the gear a (7.2), and the gear a (7.2) is connected with the motor a (7.1) through a rotating shaft a.

4. The fixing device for the five-axis machining center according to claim 1, characterized in that the lifting rod (2) is provided with the rotator (2.1), the rotator (2.1) is connected with the clamping block (1) through a connecting rod A, the lifting rod (2) is further provided with a positioning groove (2.2), and the positioning groove (2.2) is clamped with a positioning rod arranged on the clamping block (1).

5. The fixing device for the five-axis machining center according to claim 1, characterized in that a sliding groove (5.1) is formed in the base (5), and a moving block (4) on the clamping mechanism (3) is installed in the sliding groove (5.1).

6. The fixing device for the five-axis machining center according to claim 1, wherein the clamping mechanism (3) comprises a motor B (3.1), a gear C (3.2), a gear D (3.3), a screw (3.4) and a moving block (4), the moving block (4) is mounted on the screw (3.4), limit blocks (3.6) are mounted at the left end and the right end of the screw (3.4), the screw (3.4) is mounted on the gear D (3.3), the gear D (3.3) is meshed with the gear C (3.2), and the gear C (3.2) is connected with the motor B (3.1) through a rotating shaft B.

7. The five-axis machining center fixing device as claimed in claim 6, wherein the moving block (4) is connected with the screw (3.4) through a bearing (3.5).

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