CBN (Cubic Boron Nitride) blade coated with impact-resistant wear-resistant coating on surface

Abstract

The utility model relates to a CBN (Cubic Boron Nitride) blade coated with an impact-resistant wear-resistant coating on the surface, which comprises a tool apron, tool grooves are formed in two opposite end parts of the tool apron, a plurality of blades are arranged in the tool grooves through positioning pieces, and limiting pieces are also arranged on the side walls of the tool grooves; the positioning piece comprises a bottom groove, a sliding block, a threaded rod, a first bevel gear, a second bevel gear and an adjusting rod. The utility model relates to the technical field of cbn blades. When the CBN blade with the surface coated with the impact-resistant and wear-resistant coating is used, the blade can be rapidly replaced, in addition, the whole blade is shrunk at the same position of the tool apron and is divided into a plurality of blades, and therefore after the blade located in the front is damaged, the subsequent blade can be directly replaced; and the blade replacement efficiency is improved, meanwhile, the blade utilization rate is increased, and the practicability effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cbn blade, especially surface coating has the CBN blade of anti-impact wear -resisting coating. BACKGROUND

[0002] CBN, namely cubic boron nitride, is extremely hard, microhardness HV7200~9800Mpa, and the hardness is lower than diamond. Similar to diamond, cubic boron nitride is an insulator but is an excellent heat conductor.

[0003] Among them, in order to improve the service life of CBN blade, generally, protective coating is coated, and coating materials such as TiN (titanium nitride), TiCN (titanium carbonitride) or Al TiN (aluminum titanium nitride) have higher hardness than matrix material. These coatings can form a protective layer, effectively reduce wear and impact during cutting, thereby significantly prolonging the service life of the blade.

[0004] In the prior art, the CBN cutter is generally connected with the blade to be installed at the end of the mounting seat. After long-term use, the cutting end of the blade is worn, and then the whole blade is directly replaced. The remaining part of the worn blade is directly discarded, thereby reducing the utilization rate of the blade during use, and increasing the use cost of the blade. UTILITY MODEL CONTENTS

[0005] According to the deficiencies in the prior art, the utility model aims to provide a CBN blade coated with anti-impact wear-resistant coating on the surface, so as to solve the technical problems mentioned in the background art.

[0006] The above technical purpose of the utility model is realized by the following technical scheme:

[0007] A CBN blade coated with anti-impact wear-resistant coating on the surface, comprising a blade seat, the opposite two ends of the blade seat are provided with a blade groove, a plurality of blades are arranged in the blade groove through a positioning piece, and a limiting piece is further arranged on the side wall of the blade groove.

[0008] The positioning member comprises a bottom groove, a sliding block, a threaded rod, a first bevel gear, a second bevel gear and an adjusting rod, the bottom groove is arranged on the bottom side wall of the cutter groove, the number of the sliding blocks corresponds to the number of the blades, a plurality of the sliding blocks are linearly arranged and slidably arranged in the bottom groove, each blade is fixedly connected with a corresponding sliding block, the blade is slidably connected with the cutter groove, the end side wall in the bottom groove is rotatably connected with the threaded rod, the threaded rod penetrates through all the sliding blocks and is threadedly connected with the sliding blocks, the first bevel gear is fixedly connected with one end of the threaded rod away from the sliding blocks, the adjusting rod is inserted into the top side of the cutter holder and extends into the bottom groove, the second bevel gear is fixedly connected with the bottom end of the adjusting rod, and the first bevel gear is engaged with the second bevel gear.

[0009] In a preferred example, the utility model discloses further can be configured as: the blade is V-shaped arrangement, and the adjacent two blades mutually adhere to each other.

[0010] In a preferred example, the utility model discloses further can be configured as: the included angle of the blade edge end of the blade corresponds with the included angle of the cutter holder end, and the outer side of the blade is aligned with the side of the cutter holder.

[0011] In a preferred example, the utility model discloses further can be configured as: the limiting member comprises two sliding grooves, and the two sliding grooves are arranged on two inner side walls in the cutter groove respectively, and the end of each blade is fixedly connected with a limiting block, and the limiting block is slidably connected with the corresponding sliding groove.

[0012] In a preferred example, the utility model discloses further can be configured as: the top end of the adjusting rod is aligned with the top side of the cutter holder, and the top end of the adjusting rod is provided with a hexagonal groove.

[0013] In summary, the utility model discloses at least one of the following beneficial technical effects:

[0014] 1. The CBN blade coated with impact-resistant and wear-resistant coating can be quickly replaced, and the whole blade is divided into a plurality of blades at the same position of the cutter holder, so that the subsequent blade can be directly replaced after the front blade is damaged, the blade replacement efficiency is improved, the utilization rate of the blade is improved, and the practicability is improved.

[0015] 2. The CBN blade coated with impact-resistant and wear-resistant coating is provided with a blade edge angle corresponding to the angle of the cutter holder end, and the outer side of the blade is aligned with the side of the cutter holder, so that the blade can be directly installed in the sliding groove, and the position can be quickly and accurately observed when the blade is replaced, and the convenience of blade replacement is improved.

[0016] 3. The CBN blade coated with impact-resistant wear-resistant coating on the surface, wherein the sliding groove is arranged to enable the limiting block to slide inside, and the limiting block is connected with the blade, the blade will be limited by the sliding groove and the limiting block, the blade and the sliding groove cooperate with the threaded rod and the sliding block to further limit the blade, and the stability of the blade during use is improved.

[0017] 4. The CBN blade coated with impact-resistant wear-resistant coating on the surface, wherein the blade is arranged in a V shape, and adjacent two blades are attached to each other, so that the space at the end of the blade holder can be utilized to the maximum to concentrate multiple blades together, thereby facilitating the installation of multiple blades and improving the utilization rate of the blades. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings described in the following are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0019] Figure 1 It is a whole structure schematic view of the CBN blade coated with impact-resistant wear-resistant coating on the surface of the present application.

[0020] Figure 2 It is a bottom groove inner structure schematic view of the CBN blade coated with impact-resistant wear-resistant coating on the surface of the present application.

[0021] Figure 3 It is a bottom groove inner structure schematic view of the CBN blade coated with impact-resistant wear-resistant coating on the surface of the present application. Figure 2

[0022] In the figure, 1, the blade holder; 2, the blade groove; 3, the blade; 4, the limiting piece; 5, the bottom groove; 6, the sliding block; 7, the threaded rod; 8, the first bevel gear; 9, the second bevel gear; 10, the adjusting rod; 11, the sliding groove; 12, the limiting block; 13, the hexagonal groove; 14, the positioning piece. DETAILED DESCRIPTION

[0023] The present application will be further described in detail below with reference to the drawings.

[0024] Embodiment:

[0025] With reference to Figures 1-3 The CBN blade coated with impact-resistant wear-resistant coating on the surface disclosed by the present application comprises a blade holder 1, opposite two ends of the blade holder are both provided with a blade groove 2, a plurality of blades 3 are arranged in the blade groove 2 through a positioning piece 14, and a limiting piece 4 is further arranged on the side wall of the blade groove 2.

[0026] ​The positioning member 14 comprises a bottom groove 5, sliding blocks 6, a threaded rod 7, a first bevel gear 8, a second bevel gear 9 and an adjusting rod 10, the bottom groove 5 is arranged on the bottom side wall of the cutter groove 2, the number of the sliding blocks 6 corresponds to the number of the blades 3, a plurality of the sliding blocks 6 are linearly arranged and slidably arranged in the bottom groove 5, each blade 3 is fixedly connected with the corresponding sliding block 6, the blade 3 is slidably connected with the cutter groove 2, the end side wall of the bottom groove 5 is rotatably connected with the threaded rod 7, the threaded rod 7 penetrates through all the sliding blocks 6 and is threadedly connected with the sliding blocks 6, the first bevel gear 8 is fixedly connected with one end of the threaded rod 7 away from the sliding blocks 6, the adjusting rod 10 is inserted into the top side of the cutter holder 1 and extends into the bottom groove 5, the second bevel gear 9 is fixedly connected with the bottom end of the adjusting rod 10, and the first bevel gear 8 is engaged with the second bevel gear 9.

[0027] In the embodiment, when in use, the sliding blocks 6 are limited by the threaded rod 7, so that the plurality of blades 3 are limited, and the blade 3 located at the front end can cut the workpiece; when the blade 3 located at the front end needs to be replaced due to wear, the adjusting rod 10 is rotated, the adjusting rod 10 drives the first bevel gear 8 to rotate through the second bevel gear 9, and then drives the threaded rod 7 to rotate, so that the plurality of sliding blocks 6 slide, and the sliding block 6 located at the front end gradually separates from the threaded rod 7, so that the blade 3 connected with the sliding block 6 falls off from the cutter groove 2, and the cutting part of the blade 3 behind the blade 3 is exposed, then the adjusting rod 10 is continuously rotated until the blade 3 is moved to a proper position, so that the blade 3 can be quickly replaced, the plurality of blades 3 are arranged in the same position of the cutter holder 1, the plurality of blades 3 are divided into a plurality of blades 3, so that the subsequent blade 3 can be directly replaced after the blade 3 located at the front end is damaged, the replacement efficiency of the blade 3 is improved, and the utilization rate of the blade 3 is improved.

[0028] In a further preferable embodiment of the utility model, as shown in Figures 1-3 The blade 3 is V-shaped, and the two adjacent blades 3 are mutually attached.

[0029] In the embodiment, the blade 3 is V-shaped, and the two adjacent blades 3 are mutually attached, so that the plurality of blades 3 can be concentrated together to utilize the space of the end of the cutter holder 1, and the plurality of blades 3 are installed to improve the utilization rate of the blade 3.

[0030] In a further preferable embodiment of the utility model, as shown in Figures 1-3 The included angle of the blade edge end of the blade 3 corresponds to the included angle of the end of the cutter holder 1, and the outer side of the blade 3 is aligned with the side of the cutter holder 1.

[0031] The included angle of the blade and the included angle of the end of the tool holder 1 correspond, and the outer side of the blade 3 is aligned with the side of the tool holder 1, so that the blade 3 can be directly installed in the sliding groove 11, and the position of the blade 3 can be quickly positioned and observed during replacement, thereby improving the convenience of replacing the blade 3.

[0032] In a further preferred embodiment of the utility model, as shown in Figures 1-3 The limiting piece 12 is slidably connected with the corresponding sliding groove 11.

[0033] In the embodiment, the sliding groove 11 allows the limiting piece 12 to slide inside, and the limiting piece 12 is connected with the blade 3, so that the blade 3 is limited by the sliding groove 11 and the limiting piece 12, and the blade 3 and the sliding groove 11 cooperate with the threaded rod 7 and the sliding block 6 to further limit the blade 3, thereby improving the stability of the blade 3 during use.

[0034] In a further preferred embodiment of the utility model, as shown in Figures 1-3 The top end of the adjusting rod 10 is aligned with the top side of the tool holder 1, and the top end of the adjusting rod 10 is provided with a hexagonal groove 13.

[0035] In the embodiment, the top end of the adjusting rod 10 is aligned with the top side of the tool holder 1, and the end of the adjusting rod 10 is hidden in the circumferential side, so as to avoid damage caused by external impact. The hexagonal groove 13 can be inserted into the hexagonal groove 13 by a hexagonal wrench to drive the adjusting rod 10 to rotate and replace the blade 3.

[0036] The embodiments of the specific embodiment are preferred embodiments of the utility model, and do not limit the protection scope of the utility model, so that: any equivalent changes made according to the structure, shape and principle of the utility model should be covered within the protection scope of the utility model.

Claims

1. A CBN insert coated with an impact resistant wear resistant coating on the surface, comprising an insert seat (1), characterized in that, The opposite two ends of the tool holder (1) are provided with tool grooves (2), and a plurality of tool blades (3) are arranged in the tool grooves (2) through positioning members (14); and limiting members (4) are further arranged on the side walls of the tool grooves (2). The positioning member (14) comprises a bottom groove (5), a sliding block (6), a threaded rod (7), a first bevel gear (8), a second bevel gear (9) and an adjusting rod (10); the bottom groove (5) is arranged on the bottom side wall of the tool groove (2); the number of the sliding blocks (6) corresponds to the number of the tool blades (3); a plurality of the sliding blocks (6) are linearly arranged and slidably arranged in the bottom groove (5); each tool blade (3) is fixedly connected with the corresponding sliding block (6); the tool blade (3) is slidably connected with the tool groove (2); the end side wall of the bottom groove (5) is rotatably connected with the threaded rod (7); the threaded rod (7) penetrates through all the sliding blocks (6) and is threadedly connected with the sliding blocks (6); the first bevel gear (8) is fixedly connected with the end of the threaded rod (7) away from the sliding blocks (6); the adjusting rod (10) is inserted into the top side of the tool holder (1) and extends into the bottom groove (5); the second bevel gear (9) is fixedly connected with the bottom end of the adjusting rod (10); and the first bevel gear (8) is engaged with the second bevel gear (9).

2. A CBN insert coated on its surface with an impact and wear resistant coating according to claim 1, characterized in that, The tool blade (3) is arranged in a V shape, and two adjacent tool blades (3) are in contact with each other.

3. A CBN insert coated on its surface with an impact and wear resistant coating according to claim 2, characterized in that, The included angle of the blade end of the tool blade (3) corresponds to the included angle of the end of the tool holder (1); and the outer side of the tool blade (3) is aligned with the side of the tool holder (1).

4. A CBN insert coated on its surface with an impact and wear resistant coating according to claim 3, characterized in that, The limiting member (4) comprises two sliding grooves (11), and the two sliding grooves (11) are respectively arranged on the two inner side walls of the tool groove (2); the end of each tool blade (3) is fixedly connected with a limiting block (12); and the limiting block (12) is slidably connected with the corresponding sliding groove (11).

5. A CBN insert coated on its surface with an impact and wear resistant coating according to claim 4, characterized in that, The top end of the adjusting rod (10) is aligned with the top side of the tool holder (1); and a hexagonal groove (13) is arranged on the top end of the adjusting rod (10). The top end of the adjusting rod (10) is aligned with the top side of the tool holder (1); and a hexagonal groove (13) is arranged on the top end of the adjusting rod (10).

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