CN220515445U

CN220515445U - Cubic boron nitride cutter with positive rake angle chip breaker

Info

Publication number: CN220515445U
Application number: CN202322263949.8U
Authority: CN
Inventors: 王林圣; 张颂
Original assignee: Zhengzhou Zhijiang Precision Tools Co ltd
Current assignee: Zhengzhou Zhijiang Precision Tools Co ltd
Priority date: 2023-08-23
Filing date: 2023-08-23
Publication date: 2024-02-23
Anticipated expiration: 2033-08-23

Abstract

The utility model discloses a cubic boron nitride cutter with a positive rake angle chip breaker groove, which comprises a connecting rod, wherein a groove is formed in the surface of the connecting rod, a first clamping plate is fixedly connected to one side of the upper surface of the connecting rod, a second clamping plate is fixedly connected to the other side of the upper surface of the connecting rod, and a cutter bar is fixedly connected to the lower surface of the connecting rod. This take positive rake angle chip breaker's cubic boron nitride cutter, through the setting of connecting rod, recess, first joint board, second joint board and cutter arbor, when dismantling or fixed cutter, rotate the connecting rod, the recess on surface has increased frictional force, has skid-proof effect and does not avoid taking place the hand and slide the phenomenon that causes danger, and the position of first joint board and second joint board is crisscross each other, and when clockwise rotation is fixed or anticlockwise rotation dismantles, the respective connector of alignment is dismantled and is fixed respectively, has avoided the phenomenon at the in-process waste time of change and fixed cutter.

Description

Cubic boron nitride cutter with positive rake angle chip breaker

Technical Field

The utility model relates to the technical field of cubic boron nitride cutters, in particular to a cubic boron nitride cutter with positive front angle chip breaking grooves.

Background

The CBN is first synthesized by General Electric (GE) company in the United states under high temperature and high pressure by using a manual method in the 50 th century, and the hardness is far higher than that of other materials, so that the CBN and diamond are collectively called as superhard materials, and the PCBN tool is an artificial CBN tool, can keep the characteristic of high hardness at high temperature and is mainly used for processing iron parts; the positive rake angle chip breaker is formed by machining a three-dimensional shape on the front cutter surface of the cutter in a laser carving mode, so that scrap iron is smoothly removed in the cutting process, and the size of the scrap iron is controlled.

According to the search, chinese patent publication (bulletin) No. 201420050314.8 discloses a cubic boron nitride cutter with a positive rake angle chip breaker, the shearing angle of a cutting edge is increased, so that lower cutting force and lower energy transfer are generated, and as a result, lower temperature is generated in a cutting area, the service life of the cutter is prolonged, but the cutter is inconvenient to detach and replace in the use process, so that the flexibility is low in the use process, and meanwhile, the cutter is inconvenient to fix in the use process, and time is wasted in the process of replacing and fixing the cutter, so that the design of the cubic boron nitride cutter with the positive rake angle chip breaker is necessary.

Disclosure of Invention

The utility model mainly aims to provide a cubic boron nitride cutter with positive rake angle chip breaker grooves, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the cubic boron nitride cutter with the positive rake angle chip breaker comprises a connecting rod, wherein a groove is formed in the surface of the connecting rod, and a first clamping plate is fixedly connected to one side of the upper surface of the connecting rod; the opposite side of connecting rod upper surface is fixed with the second joint board, the lower surface fixedly connected with cutter arbor of connecting rod.

In order to enable the cubic boron nitride cutter with the positive rake angle chip breaker to have a telescopic effect, the middle of the lower surface of the cutter bar is provided with a first round groove, the inner top wall of the first round groove is fixedly connected with a first round rod, the middle of the lower surface of the first round rod is provided with a second round groove, and the inside of the second round groove is connected with a second round rod in a sliding mode.

In order to achieve the buffering effect, the cubic boron nitride cutter with the positive rake angle chip breaker groove is characterized in that a buffer spring is fixedly connected to the lower surface of the first round rod, and a round table is fixedly connected to one end of the buffer spring.

In order to achieve the fixing effect, the cubic boron nitride cutter with the positive rake angle chip breaker groove is characterized in that a connecting block is fixedly connected to the lower surface of the round table.

In order to facilitate replacement, the cubic boron nitride cutter with the positive rake angle chip breaker groove is characterized in that a placing groove is formed in one side of the connecting block, a round hole is formed in the inner side wall of the placing groove, a bolt is connected with the inner thread of the round hole, and a blade is connected to the surface of the bolt in a penetrating mode.

In order to achieve the protection effect, the cubic boron nitride cutter with the positive rake angle chip breaker groove is fixedly connected with a protective shell on the lower surface of the cutter bar.

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

1. according to the utility model, through the arrangement of the connecting rod, the groove, the first clamping plate, the second clamping plate and the cutter bar, when the cutter is dismounted or fixed, the connecting rod is rotated, the friction force is increased by the groove on the surface, the phenomenon that the hand slip is dangerous is not avoided due to the anti-slip effect, the positions of the first clamping plate and the second clamping plate are staggered, and when the cutter is dismounted in a clockwise rotation or a anticlockwise rotation, the first clamping plate and the second clamping plate are respectively aligned to the respective connecting ports to be dismounted and fixed, so that the phenomenon of time waste in the process of replacing and fixing the cutter is avoided.

2. According to the utility model, through the arrangement of the cutter bar, the first round groove, the first round bar, the second round groove, the second round bar, the buffer spring and the round table, the first round bar and the second round groove have the function of telescopic travel, so that the second round bar stretches in the second round groove, when the round table rebounds towards the inside of the first round groove, the buffer spring is fixed on the lower surface of the first round bar, has the function of fixing and buffering, and the phenomenon that dangers are caused by swinging and cheering during rebound is avoided.

Drawings

FIG. 1 is a schematic view of the overall front view of an embodiment of the present utility model;

FIG. 2 is a schematic top plan view of an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of a cutter bar according to an embodiment of the present utility model;

FIG. 4 is a schematic cross-sectional view of a blade according to an embodiment of the present utility model;

fig. 5 is a schematic diagram of an overall cross-sectional structure of an embodiment of the present utility model.

In the figure: 1. a connecting rod; 2. a groove; 3. a first clamping plate; 4. a second clamping plate; 5. a cutter bar; 6. a first circular groove; 7. a first round bar; 8. a second circular groove; 9. a second round bar; 10. a buffer spring; 11. round bench; 12. a connecting block; 13. a placement groove; 14. a round hole; 15. a bolt; 16. a blade; 17. and a protective shell.

Description of the embodiments

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.

Examples

As shown in fig. 1-5, the cubic boron nitride cutter with the positive rake angle chip breaker groove comprises a connecting rod 1, wherein a groove 2 is formed in the surface of the connecting rod 1, and a first clamping plate 3 is fixedly connected to one side of the upper surface of the connecting rod 1;

in this embodiment, a second clamping plate 4 is fixed on the other side of the upper surface of the connecting rod 1, and a cutter bar 5 is fixedly connected to the lower surface of the connecting rod 1.

During specific use, through the setting of connecting rod 1, recess 2, first joint board 3, second joint board 4 and cutter arbor 5, when dismantling or fixed cutter, rotate connecting rod 1, the recess 2 on surface has increased frictional force, has skid-proof effect and does not avoid taking place the smooth phenomenon that causes danger of hand, and the position of first joint board 3 and second joint board 4 is crisscross each other, and when clockwise rotation is fixed or anticlockwise rotation is dismantled, the respective connector of aiming at respectively dismantles and is fixed, has avoided the phenomenon at the in-process waste time of change and fixed cutter.

In this embodiment, the middle part of cutter arbor 5 lower surface has seted up first circular slot 6, and the interior roof fixedly connected with first round bar 7 of first circular slot 6, and the second circular slot 8 has been seted up at the middle part of first round bar 7 lower surface, and the inside sliding connection of second circular slot 8 has second circular bar 9.

When the telescopic tool is specifically used, through the arrangement of the cutter bar 5, the first circular groove 6, the first circular bar 7, the second circular groove 8 and the second circular bar 9, the first circular bar 7 and the second circular groove 8 have the telescopic stroke function, so that the second circular bar 9 stretches and contracts in the second circular groove 8.

In this embodiment, a buffer spring 10 is fixedly connected to the lower surface of the first round rod 7, and a round table 11 is fixedly connected to one end of the buffer spring 10.

When the novel swing type round bar is specifically used, through the arrangement of the first round bar 7, the buffer spring 10 and the round table 11, when the round table 11 rebounds towards the inside of the first round groove 6, the buffer spring 10 is fixed on the lower surface of the first round bar 7 and has the effect of fixing and buffering, and the phenomenon that dangers is caused by swing and cheering during rebound is avoided.

In this embodiment, a connection block 12 is fixedly connected to the lower surface of the circular table 11.

When the novel rotary table is particularly used, the rotary table 11 and the connecting block 12 are arranged, so that the novel rotary table has a connecting and fixing function, and the overall structure is more stable.

In this embodiment, a placing groove 13 is formed in one side of the connecting block 12, a round hole 14 is formed in the inner side wall of the placing groove 13, a bolt 15 is connected to the inner thread of the round hole 14, and a blade 16 is connected to the surface of the bolt 15 in a penetrating manner.

During specific use, through connecting block 12, standing groove 13, round hole 14, bolt 15 and blade 16's setting, carry out threaded connection with round hole 14 and blade 16 with bolt 15 surface for have fixed effect between the blade 16 utensil standing groove 13, avoid producing the phenomenon that drops and cause danger in the use, the setting of bolt 15 still has the effect of being convenient for change blade 16.

In this embodiment, the lower surface of the cutter bar 5 is fixedly connected with a protective housing 17.

When the cutter bar is particularly used, through the arrangement of the cutter bar 5 and the protective shell 17, the protective shell 17 is close to the position of the connecting block 12 at the bottom end of the cutter bar 5, and has the effect of preventing chips from being blocked into the cutter bar 5.

Working principle: in use, when dismantling or fixing the cutter, the connecting rod 1 is rotated to the recess 2 on surface, the frictional force has been increased, the skid-proof effect has not avoided taking place the hand to slide and has caused dangerous phenomenon, the position of first joint board 3 and second joint board 4 is crisscross each other, when clockwise rotatory fixed or anticlockwise rotatory dismantlement, dismantle and fix respectively aimed at respective connector, avoided the phenomenon at change and the in-process waste time of fixed cutter, first round bar 7 and second circular slot 8 have the effect of flexible stroke, make second round bar 9 stretch out and draw back in second circular slot 8 inside, when round platform 11 is to the inside resilience of first circular slot 6, buffer spring 10 fixes the lower surface at first round bar 7 has fixed cushioning's effect, produce and sway and cheering and cause dangerous phenomenon when avoiding resilience, round platform 11 and connecting block 12 make overall structure more stable, carry out threaded connection with round hole 14 and blade 16 with the surface of bolt 15, avoid producing the phenomenon that drops and cause dangerous in the course of change and have the effect of flexible cutter arbor 16 between the blade 16, the bottom has the cutter arbor 17 of the setting of being convenient for in the use and is close to the cutter arbor 5 of the cutter, prevent the chip from having the effect of the inside of the connecting block 5.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a take cubic boron nitride cutter of positive rake angle chip breaker, includes connecting rod (1), its characterized in that: the surface of the connecting rod (1) is provided with a groove (2), and one side of the upper surface of the connecting rod (1) is fixedly connected with a first clamping plate (3);

the other side of the upper surface of the connecting rod (1) is fixedly provided with a second clamping plate (4), and the lower surface of the connecting rod (1) is fixedly connected with a cutter bar (5).

2. A cubic boron nitride cutter with positive rake chip breaker groove as set forth in claim 1, wherein: the middle part of cutter arbor (5) lower surface has seted up first circular slot (6), the interior roof fixedly connected with first round bar (7) of first circular slot (6), second circular slot (8) have been seted up at the middle part of first round bar (7) lower surface, the inside sliding connection of second circular slot (8) has second round bar (9).

3. A cubic boron nitride cutter with positive rake chip breaker as set forth in claim 2, wherein: the lower surface of the first round rod (7) is fixedly connected with a buffer spring (10), and one end of the buffer spring (10) is fixedly connected with a round table (11).

4. A cubic boron nitride cutter with positive rake chip breaker as set forth in claim 3, wherein: the lower surface of the round table (11) is fixedly connected with a connecting block (12).

5. A cubic boron nitride cutter with positive rake chip breaker groove as set forth in claim 4, wherein: a placing groove (13) is formed in one side of the connecting block (12), a round hole (14) is formed in the inner side wall of the placing groove (13), a bolt (15) is connected with the inner side of the round hole (14) in a threaded mode, and a blade (16) is connected to the surface of the bolt (15) in a penetrating mode.

6. A cubic boron nitride cutter with positive rake chip breaker groove as set forth in claim 1, wherein: the lower surface of the cutter bar (5) is fixedly connected with a protective shell (17).