CN214685288U

CN214685288U - Clamping device for conveniently fixing milling cutter

Info

Publication number: CN214685288U
Application number: CN202121008962.3U
Authority: CN
Inventors: 张志刚
Original assignee: Changzhou Lidun Tools Co ltd
Current assignee: Changzhou Lidun Tools Co ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2021-11-12
Anticipated expiration: 2031-05-12

Abstract

The utility model discloses a clamping device that convenient fixed milling cutter used relates to milling cutter centre gripping equipment technical field, including grip slipper, cylinder milling cutter, first cavity, second cavity, trapezoidal piece, stopper, spacing groove, reset spring, slider, commentaries on classics roller, third cavity, first gear, second gear, fourth cavity, connecting rod, third gear, pivot, fourth gear, first lead screw, fifth cavity, clamp plate, movable block, compression spring and second lead screw. The utility model discloses a set up first lead screw, first gear, trapezoidal piece and stopper, simplified cylindrical milling cutter's fixed and dismantlement work to play quick replacement cylindrical milling cutter's effect, guaranteed the work efficiency of device, through setting up second lead screw and clamp plate, compression spring's elasticity promotes clamp plate and cylindrical milling cutter's surface in close contact with, thereby compresses tightly work to cylindrical milling cutter, stability when having guaranteed the fixed cylindrical milling cutter of device.

Description

Clamping device for conveniently fixing milling cutter

Technical Field

The utility model relates to a milling cutter centre gripping equipment technical field specifically is a clamping device that convenient fixed milling cutter used.

Background

A milling cutter is a rotating tool for milling operations, usually having one or more cutter teeth. Milling cutters are used primarily for machining flat surfaces, forming surfaces, cutting off workpieces, etc. on milling machines. Milling cutters are generally classified into several types including cylindrical cutters, end mills, face mills, saw blade cutters, angle mills, T-type cutters, and the like. When metal machining is performed, a clamping device is generally required to clamp and fix a milling cutter for ensuring stability of the milling cutter during operation, a high-performance tool is selected during machining, the requirement on the clamping device for the milling cutter is higher and higher, and a more stable clamping device is required for clamping the milling cutter for precision machine manufacturing.

Because milling cutter often wears when using, needs frequent change, current milling cutter clamping device is carrying out clamping work to milling cutter, and is comparatively complicated to milling cutter's fixed usually, is difficult to quick assembly disassembly milling cutter, influences the work efficiency of device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clamping device that convenient fixed milling cutter used to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a clamping device convenient for fixing a milling cutter comprises a clamping seat and a cylindrical milling cutter, wherein a first cavity is formed in the bottom of the clamping seat, the cylindrical milling cutter is positioned on the inner side of the first cavity and matched with the inner wall of the first cavity, second cavities are symmetrically formed in the clamping seat and positioned on two sides of the first cavity, the second cavities are communicated with the first cavity, a sliding-connected trapezoidal block is arranged at the bottom of the inner wall of the second cavity, a limiting mechanism is arranged on one side, close to the first cavity, of the outer wall of the trapezoidal block, a reset spring is arranged on the outer wall of the trapezoidal block and above the limiting mechanism, one end of the reset spring is fixedly connected with the second cavity, a sliding-connected sliding block is arranged on one side, far away from the first cavity, of the inner wall of the second cavity, a rotating roller in rotating connection is sleeved at the bottom end of the sliding block, and is positioned on one side of the trapezoidal block, a third cavity is formed in the clamping seat above the second cavity, the two second cavities are communicated with the third cavity, a first gear in rotary connection is arranged on one side of the inner wall of the third cavity, second gears in rotary connection are symmetrically arranged on the inner wall of the third cavity on two sides of the first gear, the first gear is meshed with the second gear, a first screw rod is arranged on one side, close to the slide block, of the outer wall of the second gear, the two first screw rods are respectively in rotary connection with the two slide blocks, a fourth cavity is formed in the clamping seat on one side of the first gear, a power mechanism is arranged in the fourth cavity on one side of the outer wall of the first gear, a fifth cavity is formed in the bottom of the inner wall of the third cavity, the fifth cavity is communicated with the first cavity, and a movable block in sliding connection is arranged on the inner wall of the fifth cavity in a matching manner, and a second screw rod is arranged on one side, close to the movable block, of the outer wall of the first gear, and the second screw rod is rotatably connected with the movable block.

Further, power unit includes the connecting rod, connecting rod one end with first gear outer wall fixed connection, a connecting rod pot head is equipped with the third gear, the third gear with the rotation of fourth cavity inner wall is connected, fourth cavity inner wall one side is equipped with the pivot of rotating the connection, pivot one end in the inside cover of fourth cavity is equipped with the fourth gear, the fourth gear with third gear engagement, pivot one end extends to the grip slipper outside is equipped with the carousel with the cover, when the staff rotated the carousel, drives first gear through power unit and rotates.

Furthermore, the inside lead screw nut that is equipped with first lead screw assorted of slider, the inside logical groove that is equipped with of grip slipper with pivot assorted, when first lead screw rotates, drive the slider and move, lead to the groove and be used for guaranteeing the stability of pivot when rotating.

Furthermore, the third cavity inner wall be equipped with first gear assorted ball bearing, first cavity inner wall be equipped with slider assorted slide rail, ball bearing has guaranteed the smoothness when first gear rotates, and the slide rail is used for guaranteeing the stability when the slider moves.

Further, stop gear includes the stopper, stopper outer wall one side with trapezoidal piece fixed connection, the stopper with second cavity inner wall bottom sliding connection, cylindrical milling cutter outer wall bilateral symmetry seted up with stopper assorted spacing groove, stopper and spacing groove cooperation are fixed cylindrical milling cutter and the position of grip slipper.

Furthermore, the fifth cavity inner wall in the movable block below matches and is equipped with sliding connection's clamp plate, the clamp plate outer wall is close to movable block one side is equipped with compression spring, compression spring one end with movable block fixed connection has further guaranteed the device to cylinder milling cutter's extrusion effect.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. the utility model discloses a set up first lead screw, first gear, trapezoidal piece and stopper, simplified cylindrical milling cutter's fixed and dismantlement work to play quick replacement cylindrical milling cutter's effect, guaranteed the work efficiency of device.

2. The utility model discloses a set up second lead screw and clamp plate, compression spring's elasticity promotes clamp plate and cylindrical milling cutter's surperficial in close contact with to cylindrical milling cutter compresses tightly work, stability when having guaranteed the fixed cylindrical milling cutter of device.

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 front cross-sectional view of the present invention in its entirety;

FIG. 2 is an enlarged schematic view of the present invention at A in FIG. 1;

FIG. 3 is an enlarged schematic view of the present invention at B of FIG. 1;

fig. 4 is an enlarged schematic view of fig. 1 at C according to the present invention;

in the figure: 1. a clamping seat; 2. a cylindrical milling cutter; 3. a first cavity; 4. a second cavity; 5. a trapezoidal block; 6. a limiting block; 7. a limiting groove; 8. a return spring; 9. a slider; 10. rotating the roller; 11. a third cavity; 12. a first gear; 13. a second gear; 14. a fourth cavity; 15. a connecting rod; 16. a third gear; 17. a rotating shaft; 18. a fourth gear; 19. a first lead screw; 20. a fifth cavity; 21. pressing a plate; 22. a movable block; 23. a compression spring; 24. and a second screw rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-3, the present invention provides a technical solution: a clamping device convenient for fixing a milling cutter comprises a clamping seat 1 and a cylindrical milling cutter 2, wherein a first cavity 3 is formed at the bottom of the clamping seat 1, the cylindrical milling cutter 2 is positioned at the inner side of the first cavity 3 and matched with the inner wall of the first cavity 3, second cavities 4 are symmetrically formed in the clamping seat 1 at two sides of the first cavity 3, the second cavities 4 are communicated with the first cavity 3, a sliding connected trapezoidal block 5 is arranged at the bottom of the inner wall of the second cavity 4, a limiting block 6 is arranged on the outer wall of the trapezoidal block 5 close to one side of the first cavity 3, the limiting block 6 is slidably connected with the bottom of the inner wall of the second cavity 4, limiting grooves 7 matched with the limiting block 6 are symmetrically formed at two sides of the outer wall of the cylindrical milling cutter 2, a reset spring 8 is arranged on the outer wall of the trapezoidal block 5 above the limiting block 6, one end of the reset spring 8 is fixedly connected with the second cavity 4, a sliding block 9 in sliding connection is arranged on one side of the inner wall of the second cavity 4, which is far away from the first cavity 3, a rotating roller 10 in rotating connection is sleeved at the bottom end of the sliding block 9, the rotating roller 10 is arranged on one side of the trapezoidal block 5, a third cavity 11 is arranged above the second cavity 4 in the clamping seat 1, both the second cavities 4 are communicated with the third cavity 11, a first gear 12 in rotating connection is arranged on one side of the inner wall of the third cavity 11, second gears 13 in rotating connection are symmetrically arranged on two sides of the inner wall of the third cavity 11, which are close to two sides of the first gear 12, the first gear 12 is meshed with the second gear 13, a first screw rod 19 is arranged on one side of the outer wall of the second gear 13, which is close to the sliding block 9, two first screw rods 19 are respectively in rotating connection with the two sliding blocks 9, and a fourth cavity 14 is arranged on one side of the first gear 12 in the clamping seat 1, first gear 12 outer wall one side in the inside connecting rod 15 that is equipped with of fourth cavity 14, a connecting rod 15 pot head is equipped with third gear 16, third gear 16 with the 14 inner wall of fourth cavity rotate to be connected, 14 inner wall one side of fourth cavity is equipped with the pivot 17 of rotating to be connected, pivot 17 one end in the inside cover of fourth cavity 14 is equipped with fourth gear 18, fourth gear 18 with the meshing of

third gear

16, 17 one end of pivot extends to 1 outside of grip slipper and cover are equipped with the carousel.

Slider 9 inside be equipped with first lead screw 19 assorted screw-nut, first lead screw 19 and screw-nut rotate relatively, drive screw-nut and move, slider 9 moves thereupon, grip slipper 1 inside be equipped with pivot 17 assorted logical groove has restricted pivot 17's direction of motion, has guaranteed the stability when the carousel drives pivot 17 motion.

The inner wall of the third cavity 11 is provided with a ball bearing matched with the first gear 12, the rotation is replaced by the ball bearing, the smoothness of the first gear 12 during rotation is guaranteed, the inner wall of the first cavity 3 is provided with a sliding rail matched with the sliding block 9, the sliding rail limits the movement direction of the sliding block 9, and the stability of the sliding block 9 during movement is guaranteed.

The implementation mode is specifically as follows: when the clamping device is used, the clamping seat 1 is fixedly connected with the output shaft of the motor through the arrangement of the first screw rod 19, the first gear 12, the trapezoidal block 5 and the limiting block 6, when the cylindrical milling cutter 2 needs to be installed, the cylindrical milling cutter 2 is placed in the first cavity 3, the rotating disc is manually rotated to drive the rotating shaft 17 to rotate, the fourth gear 18 rotates along with the rotating shaft 17, so that the third gear 16 in the fourth cavity 14 is driven to move, the third gear 16 drives the connecting rod 15 to move, the connecting rod 15 drives the first gear 12 in the third cavity 11 to rotate, the second gear 13 rotates along with the first gear 12, so that the first screw rod 19 is driven to rotate, the sliding block 9 moves downwards along with the first screw rod 19, the rotating roller 10 moves along with the sliding block 9, after moving downwards for a certain distance, the rotating roller 10 is in contact with the inclined plane of the trapezoidal block 5, so as to push the trapezoidal block 5 to move towards the direction of the cylindrical milling cutter 2, the reset spring 8 is compressed, the limiting block 6 moves to the inside of the limiting groove 7 along with the trapezoidal block 5, so that the relative position of the clamping seat 1 and the cylindrical milling cutter 2 is fixed, the slide block 9 continues to move downwards to the bottom of the second cavity 4, at the moment, the slide block 9 is positioned on one side of the trapezoidal block 5, so that the position of the limiting block 6 is limited, the fixing work of the cylindrical milling cutter 2 is completed, the working effect of the device is ensured, when the cylindrical milling cutter 2 needs to be replaced, the rotary table is reversely rotated, so that the first lead screw 19 is driven to reversely move, the slide block 9 is driven to move upwards, the slide block 9 is not in contact with the trapezoidal block 5 any more, the reset spring 8 pushes the trapezoidal block 5 to restore the original position, so that the limiting block 6 is driven to be away from the limiting groove 7, the cylindrical milling cutter 2 is not limited any more, at the cylindrical milling cutter 2 is taken out for replacement, and the fixing and detaching work of the cylindrical milling cutter 2 is simplified, thereby playing the effect of quick replacement cylindrical milling cutter 2, having guaranteed the work efficiency of device.

Referring to fig. 1 and 4, the present invention provides a technical solution: the utility model provides a clamping device that convenient fixed milling cutter was used, still including offering in the fifth cavity 20 of 11 inner wall bottoms of third cavity, fifth cavity 20 with 3 intercommunications of first cavity, the 20 inner wall matchs of fifth cavity are equipped with sliding connection's clamp plate 21, the 20 inner walls of fifth cavity in the clamp plate 21 top matches the movable block 22 that is equipped with sliding connection, clamp plate 21 outer wall is close to movable block 22 one side is equipped with compression spring 23, compression spring 23 one end with movable block 22 fixed connection, first gear 12 outer wall is close to movable block 22 one side is equipped with second lead screw 24, second lead screw 24 with movable block 22 rotates to be connected.

The implementation mode is specifically as follows: during the use, through setting up second lead screw 24 and clamp plate 21, in operation, when rotating the carousel and driving first gear 12 and rotate, second lead screw 24 rotates thereupon, thereby it moves towards one side of cylinder milling cutter 2 to drive movable block 22, compression spring 23 moves thereupon with clamp plate 21, clamp plate 21 at first contacts with one side of cylinder milling cutter 2, along with going on of motion, movable block 22 is close to with the distance of clamp plate 21, compression spring 23 is compressed, compression spring 23's elasticity promotes clamp plate 21 and cylinder milling cutter 2's surface in close contact with, thereby compress tightly work to cylinder milling cutter 2, stability when having guaranteed the fixed cylinder milling cutter 2 of device.

The utility model discloses a theory of operation:

referring to the attached drawings 1-3 of the specification, the fixing and dismounting work of the cylindrical milling cutter 2 is simplified by arranging the first screw rod 19, the first gear 12, the trapezoidal block 5 and the limiting block 6, so that the effect of quickly replacing the cylindrical milling cutter 2 is achieved, and the working efficiency of the device is ensured.

Further, referring to the attached drawings 1 and 4 of the specification, by providing the second screw 24 and the pressing plate 21, the elastic force of the compression spring 23 pushes the pressing plate 21 to be in close contact with the surface of the cylindrical milling cutter 2, so that the cylindrical milling cutter 2 is pressed, and the stability of the device when the cylindrical milling cutter 2 is fixed is ensured.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a clamping device that convenient fixed milling cutter used, includes grip slipper (1) and cylindrical milling cutter (2), its characterized in that: the bottom of the clamping seat (1) is provided with a first cavity (3), the cylindrical milling cutter (2) is positioned at the inner side of the first cavity (3) and is matched with the inner wall of the first cavity (3), second cavities (4) are symmetrically arranged at two sides of the first cavity (3) in the clamping seat (1), the second cavities (4) are communicated with the first cavity (3), a sliding-connected trapezoidal block (5) is arranged at the bottom of the inner wall of the second cavity (4), one side, close to the first cavity (3), of the outer wall of the trapezoidal block (5) is provided with a limiting mechanism, a reset spring (8) is arranged above the limiting mechanism on the outer wall of the trapezoidal block (5), one end of the reset spring (8) is fixedly connected with the second cavity (4), and one side, far away from the first cavity (3), of the inner wall of the second cavity (4) is provided with a sliding-connected slider (9), the bottom end of the sliding block (9) is sleeved with a rotary roller (10) which is rotatably connected, the rotary roller (10) is positioned on one side of the trapezoidal block (5), a third cavity (11) is formed in the clamping seat (1) above the second cavity (4), the two second cavities (4) are communicated with the third cavity (11), a first gear (12) which is rotatably connected is arranged on one side of the inner wall of the third cavity (11), second gears (13) which are rotatably connected are symmetrically arranged on two sides of the first gear (12) on the inner wall of the third cavity (11), the first gear (12) is meshed with the second gears (13), a first screw rod (19) is arranged on one side, close to the sliding block (9), of the outer wall of the second gear (13), the two first screw rods (19) are respectively rotatably connected with the two sliding blocks (9), and a fourth cavity (14) is formed in the clamping seat (1) on one side of the first gear (12), first gear (12) outer wall one side in fourth cavity (14) inside is equipped with power unit, fifth cavity (20) have been seted up to third cavity (11) inner wall bottom, fifth cavity (20) with first cavity (3) intercommunication, fifth cavity (20) inner wall matching is equipped with sliding connection's movable block (22), first gear (12) outer wall is close to movable block (22) one side is equipped with second lead screw (24), second lead screw (24) with movable block (22) rotate and connect.

2. A clamping device for facilitating the fixing of a milling cutter according to claim 1, characterized in that: power unit includes connecting rod (15), connecting rod (15) one end with first gear (12) outer wall fixed connection, a pot head of connecting rod (15) is equipped with third gear (16), third gear (16) with fourth cavity (14) inner wall rotates and connects, fourth cavity (14) inner wall one side is equipped with pivot (17) that rotate the connection, pivot (17) one end in the inside cover of fourth cavity (14) is equipped with fourth gear (18), fourth gear (18) with third gear (16) meshing, pivot (17) one end extends to centre gripping seat (1) outside and cover are equipped with the carousel.

3. A clamping device for facilitating the fixing of a milling cutter according to claim 2, characterized in that: the screw rod nut matched with the first screw rod (19) is arranged inside the sliding block (9), and the through groove matched with the rotating shaft (17) is formed inside the clamping seat (1).

4. A clamping device for facilitating the fixing of a milling cutter according to claim 1, characterized in that: the inner wall of the third cavity (11) is provided with a ball bearing matched with the first gear (12), and the inner wall of the first cavity (3) is provided with a sliding rail matched with the sliding block (9).

5. A clamping device for facilitating the fixing of a milling cutter according to claim 1, characterized in that: the limiting mechanism comprises a limiting block (6), one side of the outer wall of the limiting block (6) is fixedly connected with the trapezoidal block (5), the limiting block (6) is connected with the bottom of the inner wall of the second cavity (4) in a sliding mode, and limiting grooves (7) matched with the limiting block (6) are symmetrically formed in the two sides of the outer wall of the cylindrical milling cutter (2).

6. A clamping device for facilitating the fixing of a milling cutter according to claim 1, characterized in that: fifth cavity (20) inner wall in the matching of movable block (22) below is equipped with sliding connection's clamp plate (21), clamp plate (21) outer wall is close to movable block (22) one side is equipped with compression spring (23), compression spring (23) one end with movable block (22) fixed connection.