CN220240727U - Special fixture for four-axis machining center - Google Patents

Abstract

The utility model discloses a special fixture for a four-axis machining center, which belongs to the technical field of four-axis machining and comprises a fixture main body. The upper rotation is installed the threaded rod, install the splint on the threaded rod spiral, fixed mounting has fixed clamp splice on the anchor clamps main part, all seted up the lift groove on fixed clamp splice and the splint, the inside rotation in lift groove is installed and is gone up the screw thread axle. The utility model has the advantages that: when part of the side wall of the article is required to be processed, the rotating block is rotated, the lifting threaded shaft in the lifting groove is driven by the rotating block to rotate, so that the lifting plate on the lifting threaded shaft is lifted, after the lifting plate moves to a set position, the article requiring side wall processing is placed on the lifting plate on the clamping plate and the fixed clamping block, the height adjustment can be carried out on the position of the clamped article, the stability of the article is higher, and the handling part can be better regardless of the side wall processing of the thickness of the article.

Description

Special fixture for four-axis machining center

Technical Field

The utility model relates to the technical field of four-axis machining, in particular to a special fixture for a four-axis machining center.

Background

The fixture is used to fix the machining object in the correct position during the machining process to accept the construction or detection. In a broad sense, any process in the process, the device for rapidly, conveniently and safely mounting the workpiece can be called a fixture, and the fixture is generally composed of a positioning element (determining the correct position of the workpiece in the fixture), a clamping device, a tool setting guiding element (determining the relative position of a tool and the workpiece or guiding the tool direction), an indexing device (processing a workpiece in a single mounting process to complete a plurality of stations, including a rotary indexing device and a linear movement indexing device), a connecting element, a fixture body and the like;

when the side wall of an article is processed, a part of the article is clamped by using clamping plates, but the bottom end of the article is unsupported, and the stability of the article is poor.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a special fixture for a four-axis machining center.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a four-axis machining center special fixture, includes the anchor clamps main part, rotate in the anchor clamps main part and install the threaded rod, install the splint on the threaded rod spiral, fixed mounting has fixed clamp splice in the anchor clamps main part, all seted up the lift groove on fixed clamp splice and the splint, the inside in lift groove rotates installs the lift screw thread axle, and goes up and down the screw thread axle and extend to the outside of splint, the epaxial demountable installation of lift screw thread in splint outside has rotatory piece, all install the structure of increaseing on fixed clamp splice and the splint.

Preferably, the height adjusting structure comprises a lifting plate which is spirally arranged on the lifting threaded shaft, and the lifting plate extends to the outer side of the lifting groove.

Preferably, the clamping plate is fixedly provided with a guide rod, the guide rod penetrates through the lifting plate, and the guide rod is in sliding connection with the lifting plate.

Preferably, a plurality of auxiliary fixing grooves are formed in the inner wall of the lifting groove, and the auxiliary fixing grooves are uniformly formed.

Preferably, the lifting plate is provided with a telescopic slot, a trapezoidal clamping block is slidably arranged in the telescopic slot, and a reset spring is fixedly arranged between the trapezoidal clamping block and the inner wall of the telescopic slot.

Preferably, the control sliding grooves are formed in two sides of the lifting plate, the control sliding plate is slidably arranged in the control sliding grooves, and the control sliding plate extends to the outer sides of the control sliding grooves.

Preferably, a through hole is formed between the telescopic groove and the control sliding groove, a connecting rope is fixedly arranged on one side, close to the telescopic groove, of the control sliding plate, and the other end of the connecting rope is fixedly connected to the trapezoid clamping block through the through hole.

By adopting the technical scheme, when part of the side wall of an article is required to be processed, the rotating block is rotated, the lifting threaded shaft in the lifting groove is driven by the rotating block to rotate, so that the lifting plate on the lifting threaded shaft is lifted, and after the lifting plate moves to a set position, the article requiring side wall processing is placed on the lifting plate on the clamping plate and the fixed clamping block, so that the height of the position for clamping the article can be adjusted, the stability of the article is higher, and the side wall processing of the article can be better dealt with part regardless of the thickness of the article;

by adopting the technical scheme, when the lifter plate moves upwards, the trapezoid clamping blocks shrink into the telescopic slots due to the inclined surfaces of the trapezoid clamping blocks, after moving to a proper position, the trapezoid clamping blocks can be clamped into the auxiliary fixing slots due to the reset springs, so that the positions of the lifter plate are further fixed, when the lifter plate needs to be adjusted to move downwards, the control sliding plate is pushed to move, the trapezoid clamping blocks in the telescopic slots are pulled to shrink by the connecting ropes, the trapezoid clamping blocks completely shrink into the telescopic slots, and then the fixing of the lifter plate can be loosened, so that the stability of the lifter plate during working can be further improved, and the stability of an article during processing is improved.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;

FIG. 2 is a schematic view of a splint according to the present utility model;

FIG. 3 is a schematic view of a lifting plate in a three-dimensional structure according to the present utility model;

fig. 4 is a schematic diagram of a three-dimensional connection structure of internal parts of the telescopic slot and the control chute of the utility model.

In the figure: 1. a clamp body; 2. a threaded rod; 3. a clamping plate; 4. a lifting groove; 5. lifting a threaded shaft; 6. a lifting plate; 7. a rotating block; 8. an auxiliary fixing groove; 9. a telescopic slot; 10. controlling the chute; 11. a trapezoidal clamping block; 12. controlling a sliding plate; 13. a return spring; 14. a connecting rope; 15. and guiding the rod.

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.

Example 1:

referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a four-axis machining center special fixture, including anchor clamps main part 1, rotate on the anchor clamps main part 1 and install threaded rod 2, install splint 3 on the threaded rod 2 spiral, fixed clamp splice on the anchor clamps main part 1, lift groove 4 has all been seted up on fixed clamp splice and the splint 3, lift screw thread axle 5 is installed in the inside rotation of lift groove 4, and lift screw thread axle 5 extends to the outside of splint 3, demountable installation has rotatory piece 7 on the lift screw thread axle 5 in the splint 3 outside, all install the structure of increaseing on fixed clamp splice and the splint 3, the structure of increaseing includes that the spiral is installed at lift screw thread epaxial 6, and lift plate 6 extends to the outside of lift groove 4, fixed mounting has guide arm 15 on the splint 3, and guide arm 15 runs through lift plate 6 setting, be sliding connection between guide arm 15 and the lift plate 6.

Specifically, when this four-axis machining center needs to use special fixture to carry out the centre gripping to article, place the article between splint 3 and the fixed clamp splice, rotate lift screw thread axle 5 and make splint 3 to the direction of fixed clamp splice remove, then it is fixed to article centre gripping, when needs to process the partial lateral wall of article, rotate rotatory piece 7, utilize rotatory piece 7 to drive the lift screw thread axle 5 rotation in the lift groove 4, thereby make lift screw thread epaxial lifter plate 6 go on going up and down, after lifter plate 6 moves to the settlement position, will again place the article that will need the lateral wall processing on splint 3 and the lifter plate 6 on the fixed clamp splice, like this can carry out the altitude mixture control to the position of centre gripping article, and the stability of article is higher, the handling part that can be better is no matter the lateral wall processing of wearing article thickness.

Example 2:

referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a four-axis machining center special fixture, rotate on the anchor clamps main part 1 and install threaded rod 2, install splint 3 on the threaded rod 2 spiral, fixed clamp splice on the anchor clamps main part 1, fixed clamp splice and all seted up lift groove 4 on splint 3, lift threaded shaft 5 is installed in the internal rotation of lift groove 4, and lift threaded shaft 5 extends to the outside of splint 3, demountable installation has rotatory piece 7 on the lift threaded shaft 5 in splint 3 outsides, all install the height-adjusting structure on fixed clamp splice and splint 3, a plurality of assistance fixed slot 8 have been seted up on the inner wall of lift groove 4, and assistance fixed slot 8 is even setting, telescopic slot 9 has been seted up on the lift plate 6, trapezoidal fixture block 11 has been seted up to inside slidable mounting of telescopic slot 9, and fixed mounting has reset spring 13 between the inner wall of trapezoidal fixture block 11 and telescopic slot 9, control spout 10 has been seted up to the both sides of lift plate 6, and control spout 10's inside slidable mounting has control slide 12, and control slide 12 extends to the outside of control spout 10, set up the through-hole between telescopic slot 9 and the control spout 10, one side that control slide 12 is close to 9 fixedly connected with rope 14, and the other end is connected to rope 14 through-hole fixed connection to trapezoidal fixture block 11.

Specifically, when lifter plate 6 upwards moves, because of the inclined plane of trapezoidal fixture block 11, can make trapezoidal fixture block 11 shrink get into in the expansion tank 9, after moving to suitable position, trapezoidal fixture block 11 can be because of reset spring 13's reason card is in assisting fixed inslot 8, thereby further fix the position of lifter plate 6, when needs adjustment lifter plate 6 moves down, promote control slide 12 and remove, utilize the trapezoidal fixture block 11 shrink in the expansion tank 9 of connecting rope 14 pulling, make trapezoidal fixture block 11 shrink completely get into in the expansion tank 9, at this moment just can loosen the fixed to lifter plate 6, can further improve the stability of lifter plate 6 during operation like this, stability when increasing article processing.

Working principle: when this four-axis machining center needs to use special fixture to carry out the centre gripping to article, place splint 3 with article between the fixed clamp splice, rotate lift screw thread axle 5 and make splint 3 to the direction of fixed clamp splice remove, then to article centre gripping is fixed, when needs to process the partial lateral wall of article, rotate rotatory piece 7, utilize rotatory piece 7 to drive the lift screw thread axle 5 rotation in the lift groove 4, thereby make lift plate 6 on the lift screw thread axle 5 go up and down, after lift plate 6 moves to the settlement position, will place the article that will need the lateral wall processing on splint 3 and the fixed clamp splice on lift plate 6, can carry out the altitude mixture control to the position of centre gripping article like this, and the stability of article is higher, the handling part that can be better is no matter the lateral wall processing of wearing article thickness, when lift plate 6 upwards moves, because of the inclined plane of trapezoidal fixture block 11, can make trapezoidal fixture block 11 shrink get into expansion groove 9, after moving to suitable position, trapezoidal fixture block 11 can be because of reset spring 13's reason card in auxiliary groove 8, thereby further fix the position to lift plate 6, when lift plate 6 moves down, the position adjustment, can be improved by the expansion groove 11, when the expansion groove is moved down, can be improved and stable when the expansion groove is moved to the expansion groove is connected to the expansion groove is realized, and the expansion joint is further, can be improved, and stable when the expansion joint 9 is moved, and the expansion joint is moved, and can be moved to the expansion joint is moved, and then, and the expansion joint is used.

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 (3)

1. The utility model provides a four-axis machining center special fixture, includes anchor clamps main part (1), its characterized in that: the fixture comprises a fixture main body (1), wherein a threaded rod (2) is rotatably arranged on the fixture main body (1), a clamping plate (3) is spirally arranged on the threaded rod (2), a fixed clamping block is fixedly arranged on the fixture main body (1), lifting grooves (4) are formed in the fixed clamping block and the clamping plate (3), lifting threaded shafts (5) are rotatably arranged in the lifting grooves (4), the lifting threaded shafts (5) extend to the outer side of the clamping plate (3), a rotating block (7) is detachably arranged on the lifting threaded shafts (5) on the outer side of the clamping plate (3), and height-adjusting structures are arranged on the fixed clamping block and the clamping plate (3);

the height adjusting structure comprises a lifting plate (6) which is spirally arranged on the lifting threaded shaft (5), and the lifting plate (6) extends to the outer side of the lifting groove (4);

the lifting plate (6) is provided with a telescopic groove (9), a trapezoidal clamping block (11) is slidably arranged in the telescopic groove (9), and a return spring (13) is fixedly arranged between the trapezoidal clamping block (11) and the inner wall of the telescopic groove (9);

control sliding grooves (10) are formed in two sides of the lifting plate (6), a control sliding plate (12) is slidably arranged in the control sliding groove (10), and the control sliding plate (12) extends to the outer side of the control sliding groove (10);

a through hole is formed between the telescopic groove (9) and the control sliding groove (10), a connecting rope (14) is fixedly arranged on one side, close to the telescopic groove (9), of the control sliding plate (12), and the other end of the connecting rope (14) is fixedly connected to the trapezoid clamping block (11) through the through hole.

2. The four-axis machining center special fixture according to claim 1, wherein: the clamping plate (3) is fixedly provided with a guide rod (15), the guide rod (15) penetrates through the lifting plate (6), and the guide rod (15) is in sliding connection with the lifting plate (6).

3. The four-axis machining center special fixture according to claim 1, wherein: a plurality of auxiliary fixing grooves (8) are formed in the inner wall of the lifting groove (4), and the auxiliary fixing grooves (8) are uniformly formed.