Hard alloy drill bit cutting edge passivating treatment device

Abstract

The utility model relates to the field of alloy drill bit machining, and discloses a hard alloy drill bit cutting edge passivating treatment device which comprises a passivating tank, supporting legs are fixedly connected to the bottom of the passivating tank, a fixing disc is fixedly connected to the inner sides of the supporting legs, a power assembly is fixedly connected to the bottom end of the fixing disc, and the power assembly is used for providing rotating power. A rotating shaft is fixedly connected to the top end of the rotating assembly, a connecting arm is fixedly connected to the periphery of the rotating shaft, an auxiliary shaft is rotatably connected to the interior of the connecting arm, and a strong magnet is fixedly connected to the periphery of the auxiliary shaft. According to the alloy drill bit passivating and grinding device, by arranging the driven gear, the inner gear, the strong magnet and other structures, the rotating motor is started to enable magnetic metal particles in the suspension liquid to rotate in the suspension liquid, passivating and grinding are conducted on the surface of an alloy drill bit, and therefore the surface of the alloy drill bit can be ground without adjusting the grinding angle, and grinding is uniform; and the use is relatively convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to alloy drill bit processing field especially relates to a hard alloy drill bit cutting edge passivation treatment device. BACKGROUND

[0002] Alloy drill bit, especially hard alloy drill bit, is a kind of tool widely used in various material processing, and the main components of hard alloy include tungsten carbide, cobalt etc., and its hardness is usually above HRC 90 degrees, suitable for batch processing and difficult hard processing occasions, alloy drill bit has the characteristics such as wear resistance and strong cutting ability, and is widely used in drilling, grooving and grinding etc.

[0003] In order to improve the durability and cutting performance of drill bit, the cutting edge of alloy drill bit needs to be passivated, and therefore a hard alloy drill bit cutting edge passivation treatment device is needed.

[0004] At present, the cutting edge of hard alloy drill bit usually adopts nylon brush or diamond, and the cutting edge of drill bit is rubbed to achieve passivation effect, but this method needs to constantly adjust the friction angle and friction position of the cutting edge of drill bit, and it is difficult to uniformly passivate each part of the cutting edge of drill bit, and therefore a hard alloy drill bit cutting edge passivation treatment device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a hard alloy drill bit cutting edge passivation treatment device, which aims at improving the problem that the cutting edge of drill bit is not easy to be uniformly passivated in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a hard alloy drill bit cutting edge passivation treatment device, including passivation tank, the passivation tank bottom is fixedly connected with support leg, the support leg inner side is fixedly connected with fixed disc, the fixed disc bottom end is fixedly connected with power assembly, the power assembly is used to provide rotating power, the power assembly top end is fixedly connected with rotating shaft, the rotating shaft outer periphery is fixedly connected with connecting arm, the connecting arm inside rotationally connected with auxiliary shaft, the auxiliary shaft outer periphery is fixedly connected with strong magnet, the auxiliary shaft outer periphery is fixedly connected with driven gear, the fixed disc inner side is fixedly connected with internal gear, the passivation tank left and right sides are fixedly connected with side tank, the side tank bottom end inner wall is provided with hydraulic oil cylinder, the hydraulic oil cylinder top telescopic end is fixedly connected with top cover, the top cover inside is provided with clamping assembly, and the clamping assembly is used to clamp alloy drill bit.

[0007] As a further description of the above technical scheme:

[0008] The clamping assembly comprises an electric push rod, the bottom end of the electric push rod is fixedly connected to the top end of the top cover, the inner side telescopic end of the electric push rod is fixedly connected with a rack, the rack is meshed with a rotating gear on the toothed side, the rotating gear is fixedly connected with a rotating column inside, the rotating column is fixedly connected with a rotating disc on the outer periphery, the bottom end of the rotating disc is hingedly connected with a connecting rod, one end of the outer side of the connecting rod is hingedly connected with a sliding sleeve, the sliding sleeve is slidably connected with a sliding rail inside, and the bottom end of the sliding sleeve is provided with a clamping roller.

[0009] As a further description of the above technical solution:

[0010] The power assembly comprises a motor support, the top end of the motor support is fixedly connected to the bottom of the fixed disc, the left side of the motor support is fixedly connected with a rotating motor, and the bottom end of the rotating shaft is fixedly connected to the top end output shaft of the rotating motor.

[0011] As a further description of the above technical solution:

[0012] The rotating shaft penetrates and is rotatably connected inside the fixed disc.

[0013] As a further description of the above technical solution:

[0014] The outer side of the driven gear is meshed inside the internal gear.

[0015] As a further description of the above technical solution:

[0016] The outer periphery of the rotating column penetrates and is rotatably connected inside the top cover, and the top surface of the rotating disc is rotatably connected to the bottom surface of the top cover.

[0017] As a further description of the above technical solution:

[0018] The top surface of the sliding rail is fixedly connected to the bottom surface of the top cover.

[0019] As a further description of the above technical solution:

[0020] The clamping roller is made of rubber, and the surface is provided with friction lines.

[0021] The utility model has the advantages of the following beneficial effects:

[0022] 1、The utility model discloses, through setting up driven gear, internal gear, strong magnet and so on structure, open rotating motor and make the metal particle that has magnetism in suspension liquid rotate in suspension liquid to the passivation polishing of alloy drill bit's surface, thereby can carry out the polishing to alloy drill bit surface without adjusting the polishing angle, and the polishing is more uniform, and use is more convenient.

[0023] 2. The utility model discloses, through setting up rack, gear, connecting rod etc. structure, open electric push rod, make four groups of clamping roller move inwards simultaneously, and the hard alloy drill bit is clamped, can different diameter size alloy drill bit is clamped, and the convenient clamping alloy drill bit of different kinds is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a whole frontal schematic view of the hard alloy drill bit edge passivation treatment device provided by the utility model;

[0025] Figure 2 It is a fixed disc top surface schematic view of the hard alloy drill bit edge passivation treatment device provided by the utility model;

[0026] Figure 3 It is a passivation tank frontal section schematic view of the hard alloy drill bit edge passivation treatment device provided by the utility model;

[0027] Figure 4 It is a rotating disc bottom surface schematic view of the hard alloy drill bit edge passivation treatment device provided by the utility model.

[0028] LEGEND:

[0029] 1, passivation tank, 2, support leg, 3, fixed disc, 4, motor support, 5, rotating motor, 6, rotating shaft, 7, connecting arm, 8, auxiliary shaft, 9, strong magnet, 10, driven gear, 11, inner gear, 12, side tank, 13, hydraulic oil cylinder, 14, top cover, 15, electric push rod, 16, rack, 17, rotating gear, 18, rotating column, 19, rotating disc, 20, connecting rod, 21, sliding sleeve, 22, slide rail, 23, clamping roller. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] REFERENCE Figures 1-2The utility model provides an embodiment: a kind of hard alloy drill bit cutting edge passivation treatment device, including passivation tank 1, suspension liquid is placed in passivation tank 1, suspension liquid contains the metal sand particle with magnetism, passivation tank 1 bottom is fixedly connected with support leg 2, support leg 2 is provided with three groups, annular equidistance is arranged at the bottom of passivation tank 1, support leg 2 inside is fixedly connected with fixed disc 3, fixed disc 3 bottom end is fixedly connected with power assembly, power assembly is used to provide rotating power, power assembly includes the motor support 4 of fixed connection effect, motor support 4 top end is fixedly connected at the bottom of fixed disc 3, motor support 4 left side is fixedly connected with the rotating motor 5 of providing rotating power, power assembly top end is fixedly connected with rotating shaft 6.

[0032] With reference to Figure 2 Rotating shaft 6 bottom end is fixedly connected on rotating motor 5 top end output shaft, opens rotating motor 5, rotating motor 5 will drive rotating shaft 6 rotation, rotating shaft 6 penetrates and is rotationally connected in the inside of fixed disc 3, rotating shaft 6 outer periphery is fixedly connected with connecting arm 7, connecting arm 7 is provided with four groups, annular equidistance is arranged at the outer periphery of rotating shaft 6, connecting arm 7 inside rotationally connected with the auxiliary shaft 8 of fixed connection effect, auxiliary shaft 8 outer periphery is fixedly connected with strong magnet 9, strong magnet 9 has strong magnetism, strong magnet 9 movement can drive metal sand particle in suspension liquid movement, auxiliary shaft 8 outer periphery is fixedly connected with driven gear 10, fixed disc 3 inside is fixedly connected with internal gear 11, driven gear 10 outside is engaged in the inside of internal gear 11, when driven gear 10 rotates around rotating shaft 6, internal gear 11 can drive driven gear 10 rotation.

[0033] With reference to Figures 3-4The left and right sides of the passivation tank 1 are fixedly connected with side tanks 12, the inner wall of the bottom end of the side tank 12 is provided with a hydraulic oil cylinder 13 for providing linear power, the top end of the hydraulic oil cylinder 13 is fixedly connected with a top cover 14, the hydraulic oil cylinder 13 is opened, the top end of the hydraulic oil cylinder 13 drives the top cover 14 to move up and down, the inside of the top cover 14 is provided with a clamping assembly for clamping the alloy drill bit, the clamping assembly comprises a power-driven push rod 15 for providing clamping power, the bottom end of the power-driven push rod 15 is fixedly connected to the top end of the top cover 14, the inside of the power-driven push rod 15 is fixedly connected with a rack 16, the power-driven push rod 15 is opened, the power-driven push rod 15 drives the rack 16 to move, the rack 16 is meshed with a rotating gear 17 on the toothed side, the movement of the rack 16 drives the rotating gear 17 to rotate, the rotating gear 17 is fixedly connected with a rotating column 18 inside for fixing and connecting, the rotating column 18 penetrates through the outside of the rotating disc 19 and is rotatably connected in the inside of the top cover 14, the rotating disc 19 is rotatably connected to the bottom surface of the top cover 14, the bottom end of the rotating disc 19 is hingedly connected with a connecting rod 20, the connecting rod 20 is provided with four groups, which are arranged in a ring shape and equidistantly arranged at the bottom of the rotating disc 19, the outside of one end of the connecting rod 20 is hingedly connected with a sliding sleeve 21, the inside of the sliding sleeve 21 is slidably connected with a sliding rail 22, the sliding rail 22 limits the sliding of the sliding sleeve 21 along the outer wall of the sliding rail 22, the top surface of the sliding rail 22 is fixedly connected to the bottom surface of the top cover 14, the bottom end of the sliding sleeve 21 is provided with a clamping roller 23 for conveniently clamping the alloy drill bit, the clamping roller 23 is made of rubber, and a friction pattern is arranged on the surface to increase the friction force and improve the clamping force on the alloy drill bit.

[0034] Working principle: when it is convenient to passivate the alloy drill bit, the alloy drill bit is fixed at the bottom of the top cover 14, the suspension liquid is poured into the inside of the passivation tank 1, the hydraulic oil cylinder 13 is opened, the alloy drill bit is immersed in the inside of the suspension liquid, the rotating motor 5 is opened, the output shaft at the top end of the rotating motor 5 drives the rotating shaft 6 to rotate, the rotating shaft 6 drives the connecting arm 7 to rotate, the connecting arm 7 drives the secondary shaft 8 to rotate around the rotating shaft 6 as the center, the secondary shaft 8 drives the driven gear 10 to rotate around the rotating shaft 6 as the center, at this time, the inner gear 11 drives the driven gear 10 to rotate, so that the strong magnet 9 rotates around the rotating shaft 6 while rotating, the magnetism of the strong magnet 9 makes the metal sand particles in the suspension liquid rotate in the suspension liquid, and the surface of the alloy drill bit is passivated and polished, due to the characteristics of the liquid, the passivation is more uniform. When it is desired to clamp alloy drill bits of different sizes, the alloy drill bit is placed below the rotating disc 19, the power-driven push rod 15 is opened, the power-driven push rod 15 drives the rack 16 to move, the rack 16 drives the rotating gear 17 to rotate, the rotating gear 17 drives the rotating column 18 to rotate, the rotating column 18 drives the rotating disc 19 to rotate, the rotating disc 19 drives the sliding sleeve 21 to slide inwards along the sliding rail 22 through the connecting rod 20, the sliding sleeve 21 drives the clamping roller 23 to slide inwards, so that alloy drill bits of different diameters can be clamped, different types of alloy drill bits can be conveniently clamped, and the use is more convenient.

[0035] It should be pointed out finally that: the above only for the preferred embodiments of the utility model have, and do not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A device for passivating the cutting edge of a cemented carbide drill bit, comprising a passivation tank (1), characterised in that: The bottom of the passivation tank (1) is fixedly connected with a supporting leg (2), the inner side of the supporting leg (2) is fixedly connected with a fixed disc (3), the bottom end of the fixed disc (3) is fixedly connected with a power assembly, the power assembly is used for providing rotating power, the top end of the power assembly is fixedly connected with a rotating shaft (6), the outer periphery of the rotating shaft (6) is fixedly connected with a connecting arm (7), the inside of the connecting arm (7) is rotatably connected with a secondary shaft (8), the outer periphery of the secondary shaft (8) is fixedly connected with a strong magnet (9), the outer periphery of the secondary shaft (8) is fixedly connected with a driven gear (10), the inner side of the fixed disc (3) is fixedly connected with an internal gear (11), the left and right sides of the passivation tank (1) are fixedly connected with side tanks (12), the bottom end inner wall of the side tank (12) is provided with a hydraulic oil cylinder (13), the top of the hydraulic oil cylinder (13) is fixedly connected with a top cover (14), the inside of the top cover (14) is provided with a clamping assembly, and the clamping assembly is used for clamping an alloy drill bit.

2. A device for passivating the cutting edge of a cemented carbide drill bit according to claim 1, characterized in that: The clamping assembly comprises an electric push rod (15), the bottom end of the electric push rod (15) is fixedly connected to the top end of the top cover (14), the inner side of the electric push rod (15) is fixedly connected with a rack (16), the toothed side of the rack (16) is engaged with a rotating gear (17), the inside of the rotating gear (17) is fixedly connected with a rotating column (18), the outer periphery of the rotating column (18) is fixedly connected with a rotating disc (19), the bottom end of the rotating disc (19) is hingedly connected with a connecting rod (20), one end of the outer side of the connecting rod (20) is hingedly connected with a sliding sleeve (21), the inside of the sliding sleeve (21) is slidably connected with a sliding rail (22), and the bottom end of the sliding sleeve (21) is provided with a clamping roller (23).

3. A device for passivating the cutting edge of a cemented carbide drill bit according to claim 1, characterized in that: The power assembly comprises a motor support (4), the top end of the motor support (4) is fixedly connected to the bottom of the fixed disc (3), the left side of the motor support (4) is fixedly connected with a rotating motor (5), and the bottom end of the rotating shaft (6) is fixedly connected to the top end output shaft of the rotating motor (5).

4. A device for passivating the cutting edge of a carbide drill bit according to claim 1, characterized in that: The rotating shaft (6) penetrates and is rotatably connected in the inside of the fixed disc (3).

5. A device for passivating the cutting edge of a carbide drill bit according to claim 1, characterized in that: The outer side of the driven gear (10) is engaged in the inside of the internal gear (11).

6. A device for passivating the cutting edge of a carbide drill bit according to claim 2, characterized in that: The outer periphery of the rotating column (18) penetrates and is rotatably connected in the inside of the top cover (14), and the top surface of the rotating disc (19) is rotatably connected to the bottom surface of the top cover (14).

7. A device for passivating the cutting edge of a carbide drill bit according to claim 2, characterized in that: The top surface of the sliding rail (22) is fixedly connected to the bottom surface of the top cover (14).

8. A device for passivating the cutting edge of a carbide drill bit according to claim 2, characterized in that: The clamping roller (23) is made of rubber, and the surface is provided with friction lines.

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