CN223277563U - Milling tool positioning fixture - Google Patents

Abstract

The utility model discloses a milling cutter positioning fixture, which comprises a mounting bottom plate, wherein a fixed baffle is fixedly arranged at the top of the mounting bottom plate, a notch clamping groove for limiting a cutter is formed in one side of the fixed baffle, a movable baffle is slidably arranged on one side of the mounting bottom plate, a clamping groove lug matched with the notch clamping groove is integrally formed on one side of the movable baffle, two groups of threaded rods are driven to rotate by a driving piece in a moving mechanism, three groups of convex sliding blocks in threaded connection with the surfaces of the threaded rods are driven to move by the rotation of the two groups of threaded rods, the convex sliding blocks oppositely arranged on the outer walls of the two groups of threaded rods synchronously move to drive the movable baffle at the top of the threaded rods to move, and the clamping and fixing of cutter particles are carried out by the matching of the clamping groove lug on the movable baffle and the notch clamping groove on the fixed baffle, so that the cutter particles can be stably arranged between the clamping groove lug and the notch clamping groove, and the cutter particles are clamped conveniently and rapidly.

Description

Milling cutter positioning fixture

Technical Field

The utility model relates to the technical field of milling cutter machining, in particular to a milling cutter positioning clamp.

Background

Milling tools are cutting tools used in metal machining, and are mainly used for milling operations on machine tools such as milling machines and machining centers, and milling is a machining process for cutting or removing materials on a workpiece by rotating tools, and is generally used for manufacturing parts, dies and other workpieces with complex shapes.

For example, the positioning fixture for plane grinding of the PCBN cutter (bulletin number: CN 216707133U) comprises a left baffle plate, a right baffle plate and a supporting piece arranged between the left baffle plate and the right baffle plate, wherein a convex clamping piece is arranged on one side of the left baffle plate, a notch clamping groove is arranged on one side of the right baffle plate, and the left side and the right side of the supporting piece are respectively provided with the notch clamping groove and the convex clamping piece which are the same as the left baffle plate and the right baffle plate. The cutter grains are clamped simply, the number of the supporting pieces can be selected according to the number of the actual grinding cutter grains, the flexibility is higher, sufficient supporting force is provided for the cutter blades, the grinding precision is ensured, a plurality of cutter grains can be clamped once, and the working efficiency is higher.

Based on the above patent search and the device discovery in the prior art, the above device still relies on manual adjustment and positioning when in use, lacks automation, has lower clamping efficiency of the cutter, cannot adapt to the requirements of modern manufacturing industry on efficient and accurate processing, and the support piece between the left baffle and the right baffle lacks a limit structure, and the stability of the cutter clamped between the support pieces is poorer when in processing along with the increase of the support piece, so we need to propose a milling cutter positioning fixture.

Disclosure of utility model

The utility model aims to provide a milling cutter positioning fixture, which drives a movable baffle plate arranged on the surface of a mounting bottom plate in a sliding way to move towards a fixed baffle plate through a moving mechanism, and clamps and fixes cutter grains through the matching of a clamping groove lug on the movable baffle plate and a notch clamping groove on the fixed baffle plate so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a milling cutter positioning fixture, includes mounting plate, mounting plate's top fixed mounting has fixed stop, notch draw-in groove that carries out spacing to the cutter has been seted up to one side of fixed stop, mounting plate is located one side slidable mounting of fixed stop has movable stop, one side integrated into one piece of movable stop installs the draw-in groove lug that uses with notch draw-in groove cooperation, mounting plate's interior bottom has seted up the mounting groove, the internally mounted of mounting groove has the shifter to the movable stop that removes.

Preferably, the fixed baffle and the movable baffle are all equidistantly provided with at least three groups, and each group of notch clamping grooves on the fixed baffle and each group of clamping groove convex blocks on the movable baffle are all provided with at least three groups.

Preferably, the moving mechanism comprises two groups of threaded rods, the two groups of threaded rods are symmetrically and rotatably arranged in the mounting groove, the outer walls of the threaded rods are respectively provided with three groups of convex sliding blocks in a threaded connection mode, each group of movable baffle is fixedly arranged at the top of the two groups of convex sliding blocks which are oppositely arranged, a driven bevel gear is fixedly sleeved on one end outer wall of each threaded rod, and the two groups of driven bevel gears are meshed with driving pieces on the opposite sides of the driven bevel gears.

Preferably, the driving piece comprises a double-shaft motor, the double-shaft motor is fixedly arranged at the inner top of the mounting groove through a bracket, one ends of two output shafts of the double-shaft motor are fixedly connected with rotating rods, two groups of driving bevel gears are fixedly sleeved at opposite ends of the rotating rods, and the two groups of driving bevel gears are respectively meshed with the two groups of driven bevel gears.

Preferably, the outer walls of the two groups of rotating rods are respectively provided with a supporting frame through bearings in a rotating mode, and the tops of the supporting frames are fixedly connected with the inner tops of the mounting grooves.

Preferably, the mounting bottom plate is located above each group of the convex sliding blocks and is provided with a limiting sliding groove, and the top of each convex sliding block is slidably connected to the inside of each limiting sliding groove.

Preferably, the bottom outer wall of the convex sliding block is in sliding connection with the inner wall of the mounting groove, and the top outer wall of the convex sliding block is in sliding connection with the inner wall of the limiting sliding groove.

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

According to the utility model, the driving piece in the moving mechanism drives the two groups of threaded rods to rotate, the two groups of threaded rods rotate to drive the three groups of convex sliding blocks in threaded connection with the surfaces of the threaded rods to move, so that the convex sliding blocks arranged on the outer walls of the two groups of threaded rods synchronously move to drive the movable baffle at the top of the threaded rods to move, and the clamping and fixing of the cutter particles are carried out through the matching of the clamping groove convex blocks on the movable baffle and the notch clamping grooves on the fixed baffle, so that the cutter particles can be stably arranged between the clamping groove convex blocks and the notch clamping grooves, and the cutter particle clamping is convenient and quick, and has the advantages of improving the cutter particle machining precision and the cutter particle machining effect.

Drawings

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

FIG. 2 is a schematic view of the structure of the mounting slot and the moving mechanism of the present utility model;

fig. 3 is a schematic view of the structure of the drive bevel gear and the driving member in the moving mechanism of the present utility model.

In the figure, 1, an installation bottom plate, 2, a fixed baffle, 3, a notch clamping groove, 4, a movable baffle, 5, a clamping groove lug, 6, an installation groove, 7, a moving mechanism, 71, a threaded rod, 72, a convex sliding block, 73, a driven bevel gear, 74, a driving piece, 741, a double-shaft motor, 742, a rotating rod, 743, a driving bevel gear, 744, a supporting frame, 8 and a limiting chute.

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.

Referring to fig. 1-3, the present utility model provides a technical solution:

The utility model provides a milling cutter positioning fixture, including mounting plate 1, mounting plate 1's top fixed mounting has fixed stop 2, and notch draw-in groove 3 that carries out spacing to the cutter has been seted up to one side of fixed stop 2, and mounting plate 1 is located one side slidable mounting of fixed stop 2 has movable stop 4, and one side integrated into one piece of movable stop 4 installs draw-in groove lug 5 that uses with notch draw-in groove 3 cooperation, and mounting plate 1's interior bottom has seted up mounting groove 6, and mounting groove 6's internally mounted has the mobile mechanism 7 that removes movable stop 4.

The fixed baffle plates 2 and the movable baffle plates 4 are all equidistantly provided with at least three groups, the notch clamping grooves 3 on each group of fixed baffle plates 2 and the clamping groove convex blocks 5 on each group of movable baffle plates 4 are all provided with at least three groups, and the clamping groove convex blocks 5 on the movable baffle plates 4 and the notch clamping grooves 3 on the fixed baffle plates 2 are correspondingly arranged.

The moving mechanism 7 comprises two groups of threaded rods 71, the two groups of threaded rods 71 are symmetrically and rotatably arranged in the mounting groove 6, three groups of convex slide blocks 72 are in threaded connection with the outer walls of the two groups of threaded rods 71, each group of movable baffles 4 is fixedly arranged at the tops of the two groups of convex slide blocks 72 which are oppositely arranged, a driven bevel gear 73 is fixedly sleeved on the outer wall of one end of each threaded rod 71, a driving piece 74 is meshed with the opposite side of each group of driven bevel gears 73, the two groups of threaded rods 71 are conveniently driven to rotate through the driving piece 74, the three groups of convex slide blocks 72 which are in threaded connection with the surfaces of the two groups of threaded rods 71 are driven to move through the rotation of the two groups of threaded rods 71, and the convex slide blocks 72 which are oppositely arranged on the outer walls of the two groups of threaded rods 71 synchronously move to drive the movable baffles 4 at the tops of the two groups of the movable baffles.

The driving piece 74 comprises a double-shaft motor 741, the double-shaft motor 741 is fixedly arranged at the inner top of the mounting groove 6 through a bracket, one ends of two output shafts of the double-shaft motor 741 are fixedly connected with rotating rods 742, the opposite ends of the two groups of rotating rods 742 are fixedly sleeved with driving bevel gears 743, the two groups of driving bevel gears 743 are respectively meshed with the two groups of driven bevel gears 73, the two output shafts of the double-shaft motor 741 are convenient to drive the rotating rods 742 connected with the two output shafts to rotate respectively, the driving bevel gears 743 sleeved at one end of the rotating rods 742 are meshed with the driven bevel gears 73 on the threaded rods 71, and then the threaded rods 71 are driven to rotate.

The outer wall of two sets of dwang 742 all rotates through the bearing and installs support frame 744, and the top of support frame 744 is fixed connection with the interior top of mounting groove 6, is convenient for carry out auxiliary stay to dwang 742 through support frame 744, promotes the stability of dwang 742.

The mounting baseplate 1 is located the top of every protruding type slider 72 of group and has all seted up spacing spout 8, and the top sliding connection of protruding type slider 72 is in the inside of spacing spout 8, is convenient for carry out spacing and direction to the top of protruding type slider 72 through spacing spout 8.

The bottom outer wall of the convex slide block 72 is in sliding connection with the inner wall of the mounting groove 6, so that the convex slide block 72 can only linearly move on the outer wall of the threaded rod 71, and the top outer wall of the convex slide block 72 is in sliding connection with the inner wall of the limit chute 8.

The cutter grain clamping device has the working principle that when the cutter grain clamping device is used, cutter grains are sequentially placed in the notch clamping grooves 3 on each group of fixed baffles 2, the driving piece 74 in the moving mechanism 7 drives the two groups of threaded rods 71 to rotate, the two groups of threaded rods 71 rotate to drive the three groups of convex sliding blocks 72 in threaded connection with the surfaces of the threaded rods to move, the convex sliding blocks 72 oppositely arranged on the outer walls of the two groups of threaded rods 71 synchronously move to drive the movable baffles 4 at the top of the threaded rods to move, the clamping protrusion 5 on the movable baffles 4 is matched with the notch clamping grooves 3 on the fixed baffles 2, and the cutter grain clamping device clamps and fixes the cutter grain, so that the cutter grain can be stably installed between the clamping protrusion 5 and the notch clamping grooves 3, and the cutter grain clamping device is convenient and rapid and has the advantages of improving the cutter grain machining precision and the machining effect.

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 (7)

1. A milling cutter positioning fixture comprises a mounting base plate (1) and is characterized in that a fixed baffle plate (2) is fixedly arranged at the top of the mounting base plate (1), a notch clamping groove (3) for limiting a cutter is formed in one side of the fixed baffle plate (2), a movable baffle plate (4) is slidably arranged on one side of the fixed baffle plate (2) of the mounting base plate (1), a clamping groove protruding block (5) matched with the notch clamping groove (3) is integrally formed in one side of the movable baffle plate (4), a mounting groove (6) is formed in the inner bottom of the mounting base plate (1), and a moving mechanism (7) for moving the movable baffle plate (4) is arranged in the mounting groove (6).

2. The milling cutter positioning fixture as set forth in claim 1, wherein at least three groups of the fixed baffle plates (2) and the movable baffle plates (4) are equidistantly arranged, and at least three groups of the notch clamping grooves (3) on each group of the fixed baffle plates (2) and the clamping groove convex blocks (5) on each group of the movable baffle plates (4) are arranged.

3. The milling cutter positioning fixture according to claim 2, wherein the moving mechanism (7) comprises two groups of threaded rods (71), the two groups of threaded rods (71) are symmetrically and rotatably arranged in the mounting groove (6), three groups of convex sliding blocks (72) are connected to the outer walls of the two groups of threaded rods (71) in a threaded mode, each group of movable baffles (4) is fixedly arranged at the tops of the two groups of convex sliding blocks (72) which are oppositely arranged, driven bevel gears (73) are fixedly sleeved on the outer walls of one ends of the threaded rods (71), and driving pieces (74) are meshed with the opposite sides of the two groups of driven bevel gears (73).

4. A milling cutter positioning fixture according to claim 3, wherein the driving member (74) comprises a double-shaft motor (741), the double-shaft motor (741) is fixedly arranged at the inner top of the mounting groove (6) through a bracket, one ends of two output shafts of the double-shaft motor (741) are fixedly connected with rotating rods (742), one ends of two groups of the rotating rods (742) opposite to each other are fixedly sleeved with a driving bevel gear (743), and the two groups of the driving bevel gears (743) are respectively meshed with the two groups of driven bevel gears (73).

5. The milling cutter positioning fixture as set forth in claim 4, wherein the outer walls of the two sets of rotating rods (742) are rotatably provided with supporting frames (744) through bearings, and the tops of the supporting frames (744) are fixedly connected with the inner tops of the mounting grooves (6).

6. The milling cutter positioning fixture as set forth in claim 5, wherein the mounting base plate (1) is provided with limiting sliding grooves (8) above each group of the convex sliding blocks (72), and the tops of the convex sliding blocks (72) are slidably connected to the inside of the limiting sliding grooves (8).

7. The milling cutter positioning fixture as set forth in claim 6, wherein the bottom outer wall of the convex sliding block (72) is slidably connected with the inner wall of the mounting groove (6), and the top outer wall of the convex sliding block (72) is slidably connected with the inner wall of the limit chute (8).