CN219336119U

CN219336119U - 3F unequal ball cutter

Info

Publication number: CN219336119U
Application number: CN202320028833.3U
Authority: CN
Inventors: 娄兵占
Original assignee: Kunshan Xiangrun Tool Equipment Co ltd
Current assignee: Kunshan Xiangrun Tool Equipment Co ltd
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-07-14
Anticipated expiration: 2033-01-06

Abstract

The utility model discloses a 3F unequal ball cutter in the field of ball cutters, which comprises a ball cutter main body, wherein a fixed disc is fixed at the upper end of the ball cutter main body, a connecting block is fixed on the upper surface of the fixed disc, three retaining grooves are formed in the connecting block at unequal intervals along the circumferential direction, milling cutters are fixed in the retaining grooves, the included angles between adjacent milling cutters are different, fixed columns are arranged between the milling cutters in a sliding manner along the vertical direction, the upper ends of the milling cutters are arc-shaped and incline downwards towards one side far away from the middle part of the fixed disc, the fixed columns and the connecting block are fixedly arranged, in the using process, the service life of the milling cutters can be greatly prolonged by changing two-edge milling cutters in the ball cutter into three-edge milling cutters, and the unequal design of the milling cutters can avoid the phenomenon of vibrating the milling cutters, is beneficial to guaranteeing the service life of the milling cutters and is beneficial to guaranteeing the smoothness of the surface of a processed workpiece.

Description

3F unequal ball cutter

Technical Field

The utility model relates to the field of ball knives, in particular to a 3F unequal ball knife.

Background

The ball cutter is a tool commonly used in the cutting field, and a milling cutter on the surface of the ball cutter is used for processing a workpiece so as to process and produce the workpiece, wherein 3F, namely 3T, is three-edge.

The prior art discloses the application number: the ball end milling cutter of CN201921478317.0 comprises a ball end milling cutter main body and a blade, wherein the blade is fixedly inserted into the bottom end of the ball end milling cutter main body, the ball end milling cutter is fixedly arranged in the ball end milling cutter main body, a connecting block is movably arranged on the outer surface of the ball end milling cutter, an inserting groove is formed in the bottom of the ball end milling cutter, a clamping groove is formed in the outer surface of the lower part of the ball end milling cutter, a limiting groove is formed in the clamping groove, sliding grooves are formed in the two side surfaces of the clamping groove, a first threaded hole is formed in the edge of the outer surface of the bottom end of the ball end milling cutter, and a connecting rod is fixedly connected to the outer surface of the connecting block; however, the ball end mill has the defects that the ball end mill is a single-edge ball cutter, the phenomenon of cutter vibration possibly exists in the process of machining a workpiece, and when the cutter in the ball cutter generates the cutter vibration phenomenon, the service life of the cutter in the ball cutter can be influenced, so that the surface smoothness of the machined workpiece is not guaranteed.

Therefore, we propose a 3F split ball knife.

Disclosure of Invention

The utility model aims to provide a 3F unequal ball cutter so as to solve the problems in the prior art.

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

3F unequally divide ball sword, including the ball sword main part, the upper end of ball sword main part is fixed with the fixed disk, and the upper surface fixed of fixed disk has the connecting block, along the unequal interval of circumferencial direction on the connecting block being equipped with three and keep somewhere the groove, lie in on the connecting block and keep somewhere the inslot and be fixed with the milling cutter, the contained angle between the adjacent milling cutter is different from each other, has the fixed column along vertical direction slidable mounting jointly between the milling cutter, and the upper end of milling cutter all is the arc and leans downwards towards one side of keeping away from the fixed disk middle part, looks fixed mounting between fixed column and the connecting block.

As a further scheme of the utility model: first bolts are inserted between the two ends of the bottom of the milling cutter and corresponding positions on the connecting block through common threads, and the first bolts are in a horizontal state.

By adopting the technical scheme: the setting of connecting block helps installing the milling cutter, is convenient for use the milling cutter.

As still further aspects of the utility model: the screw rod of the first bolt penetrates through the surface of the corresponding position of the milling cutter and the connecting block, and the screw rod on the first bolt is in a horizontal state.

By adopting the technical scheme: the setting of first bolt helps fixing between milling cutter and the connecting block, and the stable milling cutter of being convenient for uses.

As still further aspects of the utility model: the screw rod of first bolt keeps away from the outside thread bush of bolt head one end and is equipped with assorted nut, is the state of laminating mutually between the corresponding position on nut and the connecting block.

By adopting the technical scheme: the arrangement of the screw cap is beneficial to the installation of the first bolt, and the first bolt is convenient to use.

As still further aspects of the utility model: the fixed column is vertical state, and the second bolt is inserted to the common screw thread between the middle part of fixed column and the middle part of connecting block, and the second bolt runs through the middle part of fixed column upper and lower surface and the screw thread is inserted and is established in the middle part of connecting block.

By adopting the technical scheme: the setting of connecting block helps installing the fixed column, is convenient for use the fixed column.

As still further aspects of the utility model: the second bolt is vertical, and the bolt head of second bolt is located the upside of fixed column, is the state of laminating mutually between the bolt head lower surface of second bolt and the upper surface of fixed column.

By adopting the technical scheme: the setting of second bolt can install between fixed column and the connecting block.

As still further aspects of the utility model: the fixed column is provided with a limit groove corresponding to the milling cutter, a damping pad is fixed in the limit groove, the outer side surface of the damping pad is in a fit state with the inner surface of the limit groove, and the inner surface of the damping pad is in a fit state with the outer surface of the milling cutter.

By adopting the technical scheme: the setting of shock pad helps carrying out the shock attenuation between fixed column and the milling cutter, helps the fixed column to protect and fix the milling cutter.

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

1. according to the utility model, the connecting blocks fixedly connected with each other can be driven to rotate in the rotating process of the fixed disc, the milling cutter in the retaining groove can be driven to rotate in the rotating process of the connecting blocks, and the workpiece to be processed is corresponding to the milling cutter in the rotating process of the milling cutter, so that the workpiece to be processed can be processed when the milling cutter rotates, the service life of the milling cutter can be greatly prolonged when the two-edge milling cutter in the ball milling cutter is changed into the three-edge milling cutter in use, the phenomenon of vibration of the milling cutter can be avoided due to unequal design of the milling cutter, the service life of the milling cutter is guaranteed, and the smoothness of the surface of the processed workpiece is guaranteed conveniently.

2. According to the utility model, the connecting block can fix and limit the milling cutter through the first bolt and the nut, so that the stable milling cutter can be used, the connecting block can fix and limit the fixing column through the second bolt, the stable fixing column can be used conveniently, the fixing column can be driven to rotate in the rotating process of the connecting block, the connecting block can limit the milling cutter through the limit groove on the fixing column and the shock pad in the limit groove, and the stable milling cutter can be used.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

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

FIG. 3 is a schematic view of a second bolt according to the present utility model;

FIG. 4 is a schematic view of a shock pad according to the present utility model;

fig. 5 is a schematic top view of the present utility model.

In the figure: 1. a ball cutter body; 2. a fixed plate; 3. a connecting block; 4. a retention groove; 5. a milling cutter; 6. a first bolt; 7. a second bolt; 8. a screw cap; 9. fixing the column; 10. a limit groove; 11. and a shock pad.

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. 1-5, in the embodiment of the utility model, the 3F unequal ball cutter comprises a ball cutter main body 1, a fixed disc 2 is fixed at the upper end of the ball cutter main body 1, a connecting block 3 is fixed on the upper surface of the fixed disc 2, three retaining grooves 4 are arranged on the connecting block 3 at unequal intervals along the circumferential direction, milling cutters 5 are fixed in the retaining grooves 4, the included angles between adjacent milling cutters 5 are different, fixing columns 9 are slidably mounted between the milling cutters 5 along the vertical direction, the upper ends of the milling cutters 5 are arc-shaped and incline downwards towards one side far away from the middle of the fixed disc 2, the fixing columns 9 are fixedly mounted with the connecting block 3, the connecting block 3 fixedly connected with each other can be driven to rotate in the rotating process of the fixed disc 2, the milling cutters 5 in the retaining grooves 4 can be driven to rotate in the rotating process of the connecting block 3, workpieces to be machined are corresponding to the milling cutters 5 in the rotating process of the milling cutters 5, the workpieces to be machined when the milling cutters 5 rotate, the two edges 5 in the ball cutters can be greatly improved in the vertical direction, the service lives of the milling cutters 5 can be greatly prolonged, the milling cutters 5 cannot be prolonged, and the milling cutters can be guaranteed to be clean, and the milling cutters 5 cannot be used for machining the milling cutters.

First bolts 6 are inserted between two ends of the bottom of the milling cutter 5 and corresponding positions on the connecting block 3 in a common thread mode, the first bolts 6 are in a horizontal state, the connecting block 3 is beneficial to mounting the milling cutter 5, and the milling cutter 5 is convenient to use; the screw rod of first bolt 6 runs through milling cutter 5 and connecting block 3's corresponding position surface, and the screw rod on the first bolt 6 is the horizontality, and first bolt 6 helps fixing between milling cutter 5 and the connecting block 3, and the stable milling cutter 5 of being convenient for uses.

The screw rod of the first bolt 6 is sleeved with a matched screw cap 8 at the outer side of one end far away from the bolt head, the screw cap 8 is in a fit state with the corresponding position on the connecting block 3, and the screw cap 8 is beneficial to the installation of the first bolt 6 and is convenient to use the first bolt 6; the fixed column 9 is vertical state, and the second bolt 7 is inserted to the common screw thread between the middle part of fixed column 9 and the middle part of connecting block 3, and the second bolt 7 runs through the middle part of the upper and lower surface of fixed column 9 and the screw thread is inserted and is established in the middle part of connecting block 3, and connecting block 3 helps installing fixed column 9, is convenient for use fixed column 9.

The second bolt 7 is in a vertical state, the bolt head of the second bolt 7 is positioned on the upper side of the fixed column 9, the lower surface of the bolt head of the second bolt 7 is in a fit state with the upper surface of the fixed column 9, and the second bolt 7 can be used for installing the fixed column 9 and the connecting block 3; the spacing groove 10 has been seted up to the milling cutter 5 that corresponds on the fixed column 9, is located spacing groove 10 internal fixation on the fixed column 9 and is had a shock pad 11, is the state of laminating mutually between the outside surface of shock pad 11 and the internal surface of spacing groove 10, is the state of closely laminating mutually between the internal surface of shock pad 11 and the surface of the corresponding partial milling cutter 5, and shock pad 11 helps carrying out the shock attenuation between fixed column 9 and milling cutter 5, helps fixed column 9 to protect and fix milling cutter 5.

The working principle of the utility model is as follows: in the use, install this ball sword main part 1 on the grinding machine that external needs used for the grinding machine can support and fix through ball sword main part 1 to fixed disk 2 and each partial subassembly of assembly on fixed disk 2, each partial subassembly of assembly on fixed disk 2 is convenient for stable use, drive ball sword main part 1 through external grinding machine during the use and rotate, can rotate through fixed disk 2 of looks fixed connection at ball sword main part 1 pivoted in-process, can drive fixed connection's connecting block 3 and rotate at fixed disk 2 pivoted in-process, can drive the milling cutter 5 of keeping somewhere in groove 4 at connecting block 3 pivoted in-process, connecting block 3 can be fixed and spacing milling cutter 5 through first bolt 6 and nut 8, help stable use milling cutter 5, connecting block 3 can be fixed and spacing fixed column 9 through second bolt 7, the stable use fixed column 9 of being convenient for.

Can drive fixed column 9 at connecting block 3 pivoted in-process and rotate, connecting block 3 can be through spacing between milling cutter 5 through spacing groove 10 and the shock pad 11 in the spacing groove 10 on the fixed column 9, help stable use milling cutter 5, at milling cutter 5 pivoted in-process, the work piece that will need process corresponds to milling cutter 5 department, make milling cutter 5 rotate the time can process the work piece that needs to process, because of adopting three unequal milling cutter 5, when processing the work piece through milling cutter 5, can be great improvement life, adopt the design of unequal can effectually avoid appearing the phenomenon of shaking the sword of the in-process of processing, in order to increase milling cutter 5's life and the surface finish of processed work piece, shock pad 11 can carry out shock attenuation protection between milling cutter 5 and the fixed column 9, avoid causing the damage to milling cutter 5 or be fixed column 9 because of the vibration when using, help normal use milling cutter 5 and fixed column 9, be convenient for guarantee milling cutter 5 and fixed column 9's life.

In the use process, the two-edge milling cutter 5 in the ball cutter is changed into the three-edge milling cutter 5, so that the service life of the milling cutter 5 can be greatly prolonged, the milling cutter 5 is not equally designed, the phenomenon of cutter vibration of the milling cutter 5 can be avoided, the service life of the milling cutter 5 is guaranteed, and the smoothness of the surface of a machined workpiece is guaranteed.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1.3F unequal ball sword, including ball sword main part (1), its characterized in that: the ball sword main part (1) upper end is fixed with fixed disk (2), the upper surface mounting of fixed disk (2) has connecting block (3), be equipped with three on connecting block (3) along the unequal interval of circumferencial direction and keep somewhere groove (4), be located on connecting block (3) and keep somewhere inslot and be fixed with milling cutter (5), contained angle between adjacent milling cutter (5) is different, install fixed column (9) along vertical direction slidable mounting jointly between milling cutter (5), the upper end of milling cutter (5) is the arc and is directed towards one side downward sloping in keeping away from fixed disk (2) middle part, fixed column (9) and connecting block (3) between looks fixed mounting.

2. The 3F unequal ball blade of claim 1, wherein: a first bolt (6) is inserted between the two ends of the bottom of the milling cutter (5) and the corresponding positions on the connecting block (3) in a common thread mode, and the first bolt (6) is in a horizontal state.

3. The 3F unequal ball blade of claim 2, wherein: the screw rod of the first bolt (6) penetrates through the corresponding position surfaces of the milling cutter (5) and the connecting block (3), and the screw rod on the first bolt (6) is in a horizontal state.

4. A 3F unequal ball blade according to claim 3, wherein: the screw rod of first bolt (6) keeps away from outside thread bush of bolt head one end and is equipped with assorted nut (8), is the state of laminating mutually between the corresponding position on nut (8) and connecting block (3).

5. The 3F unequal ball blade of claim 1, wherein: the fixing column (9) is in a vertical state, a second bolt (7) is inserted between the middle part of the fixing column (9) and the middle part of the connecting block (3) through common threads, and the second bolt (7) penetrates through the middle parts of the upper surface and the lower surface of the fixing column (9) and is inserted in the middle part of the connecting block (3) through threads.

6. The 3F unequal ball blade of claim 5, wherein: the second bolt (7) is in a vertical state, the bolt head of the second bolt (7) is positioned on the upper side of the fixed column (9), and the lower surface of the bolt head of the second bolt (7) is in a fit state with the upper surface of the fixed column (9).

7. The 3F unequal ball blade of claim 1, wherein: limiting grooves (10) are formed in the fixing columns (9) corresponding to the milling cutters (5), shock absorption pads (11) are fixedly arranged in the limiting grooves (10) on the fixing columns (9), the outer side surfaces of the shock absorption pads (11) are in a mutually attached state with the inner surfaces of the limiting grooves (10), and the inner surfaces of the shock absorption pads (11) are in a mutually tightly attached state with the outer surfaces of the corresponding part of the milling cutters (5).