Cutter for CBN composite coating

Abstract

The cutter for the CBN composite coating comprises a containing shell and a handle portion fixedly connected to the top of the containing shell, a blade portion is arranged on the lower half portion in the containing shell, a piston is connected in the containing shell in a sliding mode, a screw rod is fixedly connected to the top of the piston, a thread sleeve is rotationally connected to the top wall in the containing shell, and the thread sleeve is fixedly connected to the top wall of the containing shell. The upper half part of the screw rod is in threaded connection with the interior of the screw sleeve, a driving part is arranged on the upper half part in the storage shell, and the driving part is used for driving the screw sleeve to rotate; the piston is connected with the blade part, two hoses are fixedly arranged on the upper half portion of the side wall of the storage shell in a penetrating mode, and two spray heads are fixedly connected to the bottom of the piston. The utility model relates to the technical field of CBN cutters. When the blade part needs to be stored or cleaned, the driving piece works to drive the piston and the blade part to be stored in the storage shell, and the piston pushes airflow to be sprayed out of the hose and the spray head to the outer wall of the blade part to clean the outer surface of the blade part, so that the cutter cleaning and storing efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of CBN cutter, especially to a kind of cutter for CBN composite coating. BACKGROUND

[0002] CBN cutter, it is a kind of superhard cutter, is with CBN micro powder as raw material, is manufactured under the action of small amount of binder using superhigh temperature high pressure technology.CBN cutter is very suitable for processing material with hardness greater than HRC50 and strong wear resistance because of its very high hardness.

[0003] As the Chinese patent with the publication number CN220073375U, a kind of composite coating PCB cutter belongs to cutter technical field, including handle, the side of handle is provided with blade part, the outside of blade part is equipped with composite coating assembly, the side of blade part close to handle is provided with storage device, handle is connected between storage device by dust cleaning device;The utility model discloses a storage device is set, so that staff can store blade part and composite coating assembly into storage cylinder when not working, to reduce the possibility of accidental damage of blade part and composite coating assembly, to improve the durability of cutter;The utility model discloses a dust cleaning device is set, so that cutter can be cleaned by the flow of air on the surface of composite coating assembly when needed, to reduce the difficulty of cleaning, reduce the labor burden of staff, to improve the convenience of cutter.

[0004] However, when the blade part is cleaned, in order to avoid the airflow generated by the fan directly from the opening, it is necessary to first store the blade part into the storage cylinder, and then start the fan to work, and the storage of the blade part needs manual operation, so that the cleaning and storage efficiency of the cutter is not high, and needs to be improved. UTILITY MODEL CONTENTS

[0005] According to the deficiencies existing in the prior art, the purpose of the utility model is to provide a kind of cutter for CBN composite coating to solve the technical problems mentioned in the above background art.

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

[0007] A kind of cutter for CBN composite coating, including storage shell and handle fixedly connected to the top of storage shell, the lower half of the inside of storage shell is equipped with blade part, the inside of storage shell is slidably connected with piston, the top of piston is fixedly connected with screw rod, the inside of storage shell is rotatably connected with screw sleeve on top wall, the upper half of screw rod is screw-connected in the inside of screw sleeve, the upper half of the inside of storage shell is equipped with driving element, the driving element is used to drive the rotation of screw sleeve;

[0008] The piston is connected with the blade part, two hoses are fixedly arranged on the upper half of the side wall of the receiving shell, two spray heads are fixedly connected to the bottom of the piston, and the hoses are fixedly arranged through the piston and are communicated with the corresponding spray heads.

[0009] Further, the piston and the blade part are detachably connected.

[0010] Further, the driving member comprises a motor fixedly connected to the upper half of the inner wall of the receiving shell, a driving rod is drivingly connected to the output end of the motor, and the driving rod is drivingly connected with the sleeve through a bevel gear set.

[0011] Further, two cavities are arranged in the piston, a sliding rod is slidingly arranged in the lower half of the cavity, a straight rack is fixedly connected to the top end of the sliding rod, a limiting plate is fixedly connected to the inner wall of the receiving shell below the sliding rod, a spring is fixedly connected between the straight rack and the bottom wall of the cavity, and a fixed part is arranged in the piston.

[0012] Further, the fixed part comprises two vertical grooves arranged in the bottom of the piston, two fixed plates are fixedly connected to the upper half of the side wall of the blade part, the fixed plates are L-shaped, the vertical segments of the fixed plates are inserted into the corresponding vertical grooves, a clamping groove is arranged on one side of the fixed plate, a lead screw is rotatably connected to the inner wall of the cavity, a driven gear is fixedly sleeved on the outer periphery of the lead screw, the driven gear is engaged with the straight rack, a fixed block is threadedly connected to the outer periphery of the lead screw, the fixed block slidingly passes through the inner wall of the cavity and extends into the vertical groove, and the fixed block slidingly inserts into the corresponding clamping groove.

[0013] Further, the fixed block and the piston are both quadrangular prisms.

[0014] According to the CBN composite coating cutter, when the blade part needs to be received or cleaned, the driving member drives the piston and the blade part to enter the receiving shell, the piston pushes the airflow to be sprayed out of the hoses and the spray heads, the airflow is sprayed to the outer wall of the blade part, the outer surface of the blade part is cleaned, manual operation is reduced, and the cleaning and receiving efficiency of the cutter is improved.

[0015] 1. The CBN composite coating cutter, when the blade part needs to be received or cleaned, the driving member drives the piston and the blade part to enter the receiving shell, the piston pushes the airflow to be sprayed out of the hoses and the spray heads, the airflow is sprayed to the outer wall of the blade part, the outer surface of the blade part is cleaned, manual operation is reduced, and the cleaning and receiving efficiency of the cutter is improved.

[0016] 2. The CBN composite coating cutter, when the blade part needs to be disassembled, the driving member drives the piston to move downward, so that the sliding rod contacts the limiting plate and moves relative to the piston, so that the fixed block is separated from the corresponding fixed groove, the blade part is separated from the piston, and the staff can replace the blade part. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed for the embodiment description. Obviously, the drawings in the following description are only some of the embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative effort.

[0018] Figure 1 is a front view of a CBN composite coating cutter of the present embodiment;

[0019] Figure 2 is a front view of a piston in a CBN composite coating cutter of the present embodiment;

[0020] Figure 3 is a front view of a piston in a CBN composite coating cutter of the present embodiment; Figure 2 is an enlarged view of A in the present embodiment.

[0021] In the figure, 1 is a storage shell, 2 is a handle, 3 is a blade, 4 is a piston, 5 is a screw rod, 6 is a screw sleeve, 7 is a driving member, 8 is a hose, 9 is a spray head, 10 is a cavity, 11 is a sliding rod, 12 is a straight rack, 13 is a limiting plate, 14 is a spring, 15 is a fixed part, 151 is a vertical groove, 152 is a fixed plate, 153 is a clamping groove, 154 is a lead screw, 155 is a driven gear, and 156 is a fixed block. DETAILED DESCRIPTION

[0022] The present application will be further described in detail below with reference to the drawings.

[0023] Embodiment:

[0024] With reference to Figures 1 to 3 The utility model discloses a CBN composite coating cutter, including the storage shell 1 and the handle 2 of fixed connection in the top of storage shell 1, the lower half of being equipped with the blade 3 in storage shell 1, the piston 4 of sliding connection has in storage shell 1, the screw rod 5 of fixed connection has in the top of piston 4, the screw sleeve 6 of rotation connection has in the top wall of storage shell 1, the upper half of screw rod 5 is connected in the screw sleeve 6, the upper half of being equipped with the driving member 7 in storage shell 1, and the driving member 7 is used to drive screw sleeve 6 rotation;

[0025] Piston 4 is connected with blade 3, and two hoses 8 are fixedly arranged in the upper half of the side wall of the storage shell 1. Two spray heads 9 are fixedly connected to the bottom of the piston 4. The hoses 8 pass through the piston 4 and are in communication with the corresponding spray heads 9.

[0026] In the present embodiment, the piston 4 is in the form of a quadrangular prism. Therefore, when the screw sleeve 6 rotates, the screw rod 5 and the piston 4 will move vertically. When the cutter is in normal use, the lower half of the blade 3 extends below the storage shell 1. When the cutter is not in use, the driving member 7 drives the screw sleeve 6 to rotate, and the screw sleeve 6 drives the piston 4 and the blade 3 to move upward, so that the blade 3 is completely stored in the storage shell 1.

[0027] When the knife is needed to be used, the handle 2 is installed on a machine, then the lower half of the blade 3 is moved to the lower side of the storage shell 1 by the driving member 7 (as shown), and then the machine is operated to drive the blade 3 to cut. Figure 1

[0028] When the blade 3 needs to be cleaned, the driving member 7 works to drive the piston 4 to move upward, and the airflow above the piston 4 is sprayed through the hose 8 and the nozzle 9, and the airflow sprayed through the nozzle 9 directly impacts the outer wall of the blade 3 to clean the blade 3.

[0029] Further, the nozzle 9 is provided with a filter screen to prevent dust from the outside from entering the storage shell 1 when the piston 4 moves downward.

[0030] Further, the outer surface of the blade 3 is coated with a composite coating to prolong the service life of the knife and reduce friction.

[0031] In further preferable embodiments of the utility model, as shown in Figure 2 The piston 4 and the blade 3 are detachably connected.

[0032] In this embodiment, the piston 4 and the blade 3 are detachably connected, so that the device can replace the blade 3 to adapt to different working scenes.

[0033] In further preferable embodiments of the utility model, as shown in Figure 1 The driving member 7 comprises a motor fixedly connected to the upper half of the inner wall of the storage shell 1, the motor output end is drivingly connected with a driving rod, and the driving rod is drivingly connected with the screw sleeve 6 through a bevel gear set.

[0034] In this embodiment, the motor works to drive the driving rod to rotate, the driving rod drives the screw sleeve 6 to rotate, and the screw sleeve 6 drives the screw rod 5 and the piston 4 to move vertically.

[0035] In further preferable embodiments of the utility model, as shown in Figure 2 And Figure 3 Two cavities 10 are formed in the piston 4, the lower half of the cavity 10 is slidingly provided with a sliding rod 11, the top end of the sliding rod 11 is fixedly connected with a straight rack 12, a limiting plate 13 is fixedly connected to the inner wall of the storage shell 1 below the sliding rod 11, a spring 14 is fixedly connected between the straight rack 12 and the inner bottom wall of the cavity 10, and a fixed part 15 is arranged in the piston 4.

[0036] In this embodiment, under the normal working state of the blade 3, the spring 14 is in a natural state, and the sliding rod 11 does not contact the corresponding limiting plate 13 (as shown in Figure 1 ​When it is desired to replace the blade part 3, the driving member 7 is operated to make the piston 4 continue to move downward, the piston 4 drives the slide rod 11 to move downward until the slide rod 11 contacts the limiting plate 13, the slide rod 11 no longer moves, and the piston 4 moves downward relative to the slide rod 11.

[0037] In further preferable embodiments of the present application, as shown in Figure 2 and Figure 3 The fixed part 15 comprises two vertical grooves 151 formed in the bottom of the piston 4, two fixed plates 152 are fixedly connected to the upper half of the side wall of the blade part 3, the fixed plates 152 are L-shaped, the vertical sections of the fixed plates 152 are inserted into the corresponding vertical grooves 151, a clamping groove 153 is formed in one side of the fixed plate 152, a lead screw 154 is rotatably connected to the inner wall of the cavity 10, a driven gear 155 is fixedly sleeved on the outer periphery of the lead screw 154, the driven gear 155 is engaged with the straight rack 12, a fixed block 156 is threadedly connected to the outer periphery of the lead screw 154, and the fixed block 156 is in the shape of a quadrangular prism.

[0038] In the present embodiment, when the piston 4 moves downward relative to the slide rod 11, the straight rack 12 drives the driven gear 155 to rotate, the driven gear 155 drives the lead screw 154 to rotate, the lead screw 154 drives the fixed block 156 to move horizontally, so that the fixed block 156 is separated from the corresponding clamping groove 153, at this time, the fixed plate 152 can move vertically, and thus the blade part 3 is separated from the piston 4. The fixed block 156 is always partially located between the cavity 10 and the vertical groove 151, and thus cannot completely enter the cavity 10, so that when the lead screw 154 rotates, the fixed block 156 in the shape of a quadrangular prism can only move horizontally and cannot rotate with the lead screw 154.

[0039] When it is desired to install the blade part 3, the fixed plate 152 is inserted into the corresponding vertical groove 151, the blade part 3 is held by hand, and then the driving member 7 is operated to drive the piston 4 to move upward, the spring 14 is released, the driven gear 155 and the lead screw 154 rotate in the reverse direction, so that the fixed block 156 is inserted into the corresponding clamping groove 153, and the fixed plate 152 is fixed in the vertical groove 151, thereby completing the installation of the blade part 3 and the piston 4.

[0040] The embodiments of the present application are preferable embodiments of the present application, and are not intended to limit the protection scope of the present application, and thus: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A CBN composite-coated tool comprising a housing (1) and a shank (2) fixedly connected to the top of the housing (1), a lower half of the housing (1) being provided with a blade portion (3), characterized in that: The piston (4) is connected with the blade part (3), two hoses (8) are fixedly arranged on the upper half of the side wall of the receiving shell (1), two spray heads (9) are fixedly connected to the bottom of the piston (4), the hoses (8) are fixedly arranged through the piston (4) and are communicated with the corresponding spray heads (9). The piston (4) is connected with the blade part (3), two hoses (8) are fixedly arranged on the upper half of the side wall of the receiving shell (1), two spray heads (9) are fixedly connected to the bottom of the piston (4), the hoses (8) are fixedly arranged through the piston (4) and are communicated with the corresponding spray heads (9).

2. The CBN composite-coated cutting tool according to claim 1, characterized in that: The piston (4) is connected with the blade part (3), two hoses (8) are fixedly arranged on the upper half of the side wall of the receiving shell (1), two spray heads (9) are fixedly connected to the bottom of the piston (4), the hoses (8) are fixedly arranged through the piston (4) and are communicated with the corresponding spray heads (9).

3. The CBN composite coated cutting tool according to claim 2, characterized in that: The driving member (7) comprises a motor fixedly connected to the inner wall of the receiving shell (1), a driving rod is drivingly connected to the output end of the motor, and the driving rod is drivingly connected to the screw sleeve (6) through a bevel gear set.

4. The CBN composite coated cutting tool according to claim 3, characterized in that: Two cavities (10) are arranged in the piston (4), a sliding rod (11) is slidingly arranged in the lower half of the cavity (10), a straight rack (12) is fixedly connected to the top end of the sliding rod (11), a limiting plate (13) is fixedly connected to the inner wall of the receiving shell (1) below the sliding rod (11), a spring (14) is fixedly connected between the straight rack (12) and the bottom wall of the cavity (10), and a fixed part (15) is arranged in the piston (4).

5. The CBN composite coated cutting tool according to claim 4, characterized in that: The fixed part (15) comprises two vertical grooves (151) arranged in the bottom of the piston (4), two fixed plates (152) are fixedly connected to the upper half of the side wall of the blade part (3), the fixed plates (152) are L-shaped, the vertical sections of the fixed plates (152) are inserted into the corresponding vertical grooves (151), a clamping groove (153) is arranged on one side of the fixed plate (152), a lead screw (154) is rotatably connected to the inner wall of the cavity (10), a driven gear (155) is fixedly arranged on the outer periphery of the lead screw (154), the driven gear (155) is engaged with the straight rack (12), a fixed block (156) is threadedly connected to the outer periphery of the lead screw (154), the fixed block (156) is slidingly arranged through the inner wall of the cavity (10) and extends into the vertical groove (151), and the fixed block (156) is slidingly inserted into the corresponding clamping groove (153).

6. The CBN composite coated cutting tool according to claim 5, characterized in that: The fixed block (156) and the piston (4) are both quadrangular prisms.

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