阅读说明：本技术 一种硬质合金刀具材料及其制备方法和设备 (Hard alloy cutter material and preparation method and equipment thereof ) 是由 徐综荣 邹鹏 刘署生 彭正芳 陈登容 于 2021-09-02 设计创作，主要内容包括：本发明涉及刀具加工技术领域,具体涉及一种硬质合金刀具材料及其制备方法和设备,工作台具有制备室和操作台,制备室和操作台间隔设置,移动组件设置在操作台上,切割组件包括切割机体、切割刀头和卡合结构,切割刀头与切割机体拆卸连接,切割机体固定安装在操作台的上方,切割刀头与切割机体拆卸连接,切割刀头的两侧设置有连接支架,切割机体具有安装腔,安装腔的内侧面上设置有卡合结构,卡合结构包括第一压簧和卡合片,第一压簧的两端分别与切割机体和卡合片相抵持,第一压簧位于切割机体的内部,卡合片与切割机体滑动连接,以便于对切割刀头进行更换。(The invention relates to the technical field of cutter processing, in particular to a hard alloy cutter material and a preparation method and equipment thereof, wherein a workbench is provided with a preparation chamber and an operating platform which are arranged at intervals, a moving assembly is arranged on the operating platform, a cutting assembly comprises a cutting machine body, cutting tool bit and block structure, cutting tool bit is dismantled with the cutting organism and is connected, cutting organism fixed mounting is in the top of operation panel, cutting tool bit is dismantled with the cutting organism and is connected, cutting tool bit's both sides are provided with the linking bridge, the cutting organism has the installation cavity, be provided with the block structure on the medial surface of installation cavity, the block structure includes first pressure spring and block piece, the both ends of first pressure spring are held with cutting organism and block piece counterbalance respectively, first pressure spring is located the inside of cutting organism, block piece and cutting organism sliding connection, so that change the cutting tool bit.)

1. A hard alloy cutter material is characterized in that,

comprises the following raw materials in percentage by weight: 0.05-4% of nano yttrium oxide, 0.01-0.1% of titanium nitride, 1-2% of vanadium carbide, 5-15% of cobalt, 4-10% of adhesive and the balance of tungsten carbide.

2. The method for preparing the hard alloy cutter material according to claim 1, which comprises the following steps:

weighing the raw materials in percentage by weight and mixing;

ball-milling the mixture by using n-hexane for 5 hours, wherein the ball-milling time is 1.5: 1;

and drying, pressing and molding and sintering the ball-milled mixture in sequence to obtain the hard alloy cutter material.

3. The method for producing a cemented carbide cutting tool material according to claim 2,

in the step of sequentially drying, press-forming and sintering the ball-milled mixture to obtain the cemented carbide tool material: the pressure of the pressing forming is 0.9-1.5T/cm³The sintering temperature is 1400-1550 ℃, and the sintering time is 2.5 h.

4. An apparatus for use in the method of manufacturing cemented carbide tool material as claimed in claim 3,

the cutting device comprises a workbench, a cutting assembly and a moving assembly, wherein the workbench is provided with a preparation chamber and an operating platform, the preparation chamber and the operating platform are arranged at intervals, and the moving assembly is arranged on the operating platform;

the cutting assembly comprises a cutting machine body, a cutting tool bit and a clamping structure, the cutting tool bit is detachably connected with the cutting machine body, the cutting machine body is fixedly mounted above the operating platform, the cutting tool bit is detachably connected with the cutting machine body, the connecting supports are arranged on two sides of the cutting tool bit, the cutting machine body is provided with a mounting cavity, and the clamping structure is arranged on the inner side surface of the mounting cavity;

the clamping structure comprises a first pressure spring and a clamping piece, two ends of the first pressure spring are respectively abutted against the cutting machine body and the clamping piece, the first pressure spring is located inside the cutting machine body, and the clamping piece is connected with the cutting machine body in a sliding mode.

5. The apparatus for producing cemented carbide tool material as claimed in claim 4,

the inside of cutting organism still is provided with locking Assembly, locking Assembly includes second pressure spring and locking post, the both ends of second pressure spring respectively with cutting organism with locking post fixed connection, the second pressure spring cover is established the outside of locking post, the locking post with cutting organism sliding connection, the block piece has the through-hole, the locking post is worn to establish the inside of through-hole.

6. The apparatus for producing cemented carbide tool material as claimed in claim 5,

the movable assembly further comprises a first movable structure and a second movable structure, the first movable structure comprises a first motor, a first ball screw and a fixed plate, the first motor is fixedly mounted on the operating table, the input end of the first ball screw is fixedly connected with the output end of the first motor, the fixed plate is fixedly connected with the output end of the first ball screw, the second movable structure comprises a second motor, a second ball screw and a mounting frame, the second motor is fixedly mounted on the side face of the fixed plate, the input end of the second ball screw is fixedly connected with the output end of the second motor, and the mounting frame is fixedly connected with the output end of the second ball screw.

Technical Field

The invention relates to the technical field of cutter processing, in particular to a hard alloy cutter material and a preparation method and equipment thereof.

Background

The hard alloy is an alloy material prepared from a hard compound of refractory metal and bonding metal through a powder metallurgy process, and has a series of excellent properties of high hardness, wear resistance, good strength and toughness, heat resistance, corrosion resistance and the like.

The cutter that carbide material made need receive the line and cut carbide in the course of working, and the cutting tool bit is worn and torn easily, needs the periodic replacement, and traditional cutting equipment's cutting tool bit replacement step is comparatively loaded down with trivial details, is not convenient for change the tool bit.

Disclosure of Invention

The invention aims to provide a hard alloy cutter material, a preparation method and equipment thereof, which are used for conveniently replacing a cutter head.

In order to achieve the purpose, the invention provides a hard alloy cutter material which comprises the following raw materials in percentage by weight: 0.05-4% of nano yttrium oxide, 0.01-0.1% of titanium nitride, 1-2% of vanadium carbide, 5-15% of cobalt, 4-10% of adhesive and the balance of tungsten carbide.

The invention also provides a preparation method for the hard alloy cutter material, which comprises the following steps:

weighing the raw materials in percentage by weight and mixing;

ball-milling the mixture by using n-hexane for 5 hours, wherein the ball-milling time is 1.5: 1;

and drying, pressing and molding and sintering the ball-milled mixture in sequence to obtain the hard alloy cutter material.

The invention also provides equipment for the preparation method of the hard alloy cutter material, which comprises a workbench, a cutting assembly and a moving assembly, wherein the workbench is provided with a preparation chamber and an operating platform, the preparation chamber and the operating platform are arranged at intervals, and the moving assembly is arranged on the operating platform;

the cutting assembly comprises a cutting machine body, a cutting tool bit and a clamping structure, the cutting tool bit is detachably connected with the cutting machine body, the cutting machine body is fixedly mounted above the operating platform, the cutting tool bit is detachably connected with the cutting machine body, the connecting supports are arranged on two sides of the cutting tool bit, the cutting machine body is provided with a mounting cavity, and the clamping structure is arranged on the inner side surface of the mounting cavity;

the clamping structure comprises a first pressure spring and a clamping piece, two ends of the first pressure spring are respectively abutted against the cutting machine body and the clamping piece, the first pressure spring is located inside the cutting machine body, and the clamping piece is connected with the cutting machine body in a sliding mode so as to conveniently replace the cutter head.

Wherein, the inside of cutting organism still is provided with locking Assembly, locking Assembly includes second pressure spring and locking post, the both ends of second pressure spring respectively with the cutting organism with locking post fixed connection, the second pressure spring cover is established the outside of locking post, the locking post with cutting organism sliding connection, the block piece has the through-hole, the locking post is worn to establish the inside of through-hole, it is right to increase the fixed effect of cutting tool bit.

Wherein, the removal subassembly still includes first movable structure and second movable structure, first movable structure includes first motor, first ball and fixed plate, first motor fixed mounting be in on the operation panel, first ball's input with the output fixed connection of first motor, the fixed plate with first ball's output fixed connection, second movable structure includes second motor, second ball and mounting bracket, second motor fixed mounting be in the side of fixed plate, second ball's input with the output fixed connection of second motor, the mounting bracket with second ball's output fixed connection to drive carbide tool material and remove.

The invention relates to a hard alloy cutter material and a preparation method and equipment thereof, wherein a preparation chamber is used for preparing a hard alloy cutter material blank, the hard alloy cutter material blank is taken out of the preparation chamber after being prepared and is fixed by a moving component on an operating platform, the cutting component cuts the hard alloy cutter material blank so as to obtain the hard alloy cutter material, a cutting tool bit needs to be replaced after being used for a long time, connecting supports are arranged on two sides of the cutting tool bit and are positioned in an installation cavity, clamping pieces extend out of a cutting machine body under the abutting action of a first pressure spring so as to abut against the connecting supports, the cutting tool bit is fixed in the installation cavity, and when the cutting tool bit needs to be replaced, the clamping pieces are pressed into the cutting machine body, the cutting tool bit just can follow the inside of installation cavity is taken out, and it is comparatively convenient to dismantle the process to it is right to be convenient for the cutting tool bit is changed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a flow chart of a method for preparing a hard alloy cutter material provided by the invention.

Fig. 2 is a schematic structural diagram of a preparation device for cemented carbide tool material provided by the invention.

Fig. 3 is a sectional view of a manufacturing apparatus for cemented carbide tool material according to the present invention.

Fig. 4 is a cross-sectional view taken at a-a of fig. 3 in accordance with the present invention.

Fig. 5 is a cross-sectional view at B-B of fig. 3 in accordance with the present invention.

Fig. 6 is a partial enlarged view at C of fig. 3 provided by the present invention.

Fig. 7 is a partial enlarged view of fig. 3D provided by the present invention.

1-a workbench, 11-a preparation chamber, 12-an operation table, 2-a cutting component, 21-a cutting machine body, 211-an installation cavity, 22-a cutting tool bit, 221-a connecting bracket, 23-a clamping structure, 231-a first pressure spring, 232-a clamping sheet, 2321-a through hole, 3-a moving component, 31-a first movable structure and 311-a first motor, 312-a first ball screw, 313-a fixed plate, 32-a second movable structure, 321-a second motor, 322-a second ball screw, 323-a mounting frame, 3231-a fixed frame, 3232-a rotary cylinder, 3233-a movable frame, 3234-a movable bolt, 3235-a protection plate, 3236-a mounting groove, 4-a locking component, 41-a second pressure spring and 42-a locking column.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 7, the present invention provides a cemented carbide cutting tool material, which comprises the following raw materials by weight: 0.05-4% of nano yttrium oxide, 0.01-0.1% of titanium nitride, 1-2% of vanadium carbide, 5-15% of cobalt, 4-10% of adhesive and the balance of tungsten carbide.

The invention also provides a preparation method for the hard alloy cutter material, which comprises the following steps:

s1: weighing the raw materials in percentage by weight and mixing;

s2: ball-milling the mixture by using n-hexane for 5 hours, wherein the ball-milling time is 1.5: 1;

s3: and drying, pressing and molding and sintering the ball-milled mixture in sequence to obtain the hard alloy cutter material.

Further, in the step of sequentially drying, press-forming and sintering the ball-milled mixture to obtain the cemented carbide tool material: the pressure of the pressing forming is 0.9-1.5T/cm³The sintering temperature is 1400-1550 ℃, and the sintering time is 2.5 h.

Example 1:

weighing raw materials of 0.05 percent of nano yttrium oxide, 0.1 percent of titanium nitride, 1 percent of vanadium carbide, 10 percent of cobalt, 5 percent of adhesive and the balance of tungsten carbide in percentage by weight, mixing, ball-milling the mixture by adopting normal hexane for 5 hours, wherein the ball-milling time is 1.5:1, and drying, press-molding and sintering the ball-milled mixture in sequence to obtain the hard alloy cutter material.

Example 2:

weighing raw materials of 1% of nano yttrium oxide, 0.1% of titanium nitride, 2% of vanadium carbide, 15% of cobalt, 8% of adhesive and the balance of tungsten carbide in percentage by weight, mixing, ball-milling the mixture by adopting n-hexane for 5 hours at a ball-to-material ratio of 1.5:1, and drying, press-forming and sintering the ball-milled mixture in sequence to obtain the hard alloy cutter material.

Example 3:

weighing raw materials of 1% of nano yttrium oxide, 0.05% of titanium nitride, 2% of vanadium carbide, 5% of cobalt, 10% of adhesive and the balance of tungsten carbide in percentage by weight, mixing, ball-milling the mixture by adopting n-hexane for 5 hours at a ball-to-material ratio of 1.5:1, and drying, press-forming and sintering the ball-milled mixture in sequence to obtain the hard alloy cutter material.

The invention also provides equipment for the preparation method of the hard alloy cutter material, which comprises a workbench 1, a cutting assembly 2 and a moving assembly 3, wherein the workbench 1 is provided with a preparation chamber 11 and an operating platform 12, the preparation chamber 11 and the operating platform 12 are arranged at intervals, and the moving assembly 3 is arranged on the operating platform 12;

the cutting assembly 2 comprises a cutting machine body 21, a cutting tool bit 22 and a clamping structure 23, the cutting tool bit 22 is detachably connected with the cutting machine body 21, the cutting machine body 21 is fixedly installed above the operating platform 12, the cutting tool bit 22 is detachably connected with the cutting machine body 21, the connecting supports 221 are arranged on two sides of the cutting tool bit 22, the cutting machine body 21 is provided with an installation cavity 211, and the clamping structure 23 is arranged on the inner side surface of the installation cavity 211;

the clamping structure 23 includes a first pressure spring 231 and a clamping piece 232, two ends of the first pressure spring 231 respectively abut against the cutting machine body 21 and the clamping piece 232, the first pressure spring 231 is located inside the cutting machine body 21, and the clamping piece 232 is slidably connected with the cutting machine body 21.

In this embodiment, the preparation chamber 11 and the operation table 12 are disposed at an interval on the working table 1, the preparation chamber 11 is used for preparing a blank of a cemented carbide tool material, the blank of the cemented carbide tool material is taken out of the preparation chamber 11 after being prepared, and is fixed by the moving assembly 3 on the operation table 12, the cutting assembly 2 cuts the blank of the cemented carbide tool material to obtain the cemented carbide tool material, the cutting head 22 needs to be replaced after being used for a long time, the connecting brackets 221 are disposed on two sides of the cutting head 22, the connecting brackets 221 are located inside the installation cavity 211, the engaging pieces 232 extend out of the cutting body 21 under the abutting action of the first compression springs 231, so as to abut against the connecting brackets 221, so as to fix the cutting head 22 inside the installation cavity 211, when the cutting tool bit 22 needs to be replaced, the clamping sheet 232 is pressed into the cutting machine body 21, the cutting tool bit 22 can be taken out from the inside of the installation cavity 211, and the disassembly process is convenient, so that the cutting tool bit 22 is replaced.

Further, the inside of the cutting machine body 21 is also provided with a locking assembly 4, the locking assembly 4 comprises a second pressure spring 41 and a locking column 42, two ends of the second pressure spring 41 are respectively connected with the cutting machine body 21 and the locking column 42 in a fixed manner, the second pressure spring 41 is sleeved outside the locking column 42, the locking column 42 is connected with the cutting machine body 21 in a sliding manner, the clamping piece 232 is provided with a through hole 2321, and the locking column 42 is arranged in the through hole 2321 in a penetrating manner.

In this embodiment, the locking assembly 4 can fix the engaging piece 232 so that the engaging piece 232 cannot move relative to the cutting machine body 21 to fix the engaging piece 232, thereby increasing the fixing ability of the engaging piece 232 to the cutting head 22, the locking post 42 can slide inside the cutting machine body 21, the second pressure spring 41 can reset the cutting machine body 21, one end of the locking post 42 is inserted into the through hole 2321 to fix the engaging piece 232 without an external force, and when the cutting head 22 needs to be detached, the locking post 42 is pulled out from the inside of the through hole 2321 to press the engaging piece 232, thereby detaching the cutting head 22.

Further, the moving assembly 3 further includes a first moving structure 31 and a second moving structure 32, the first moving structure 31 includes a first motor 311, a first ball screw 312 and a fixing plate 313, the first motor 311 is fixedly mounted on the operating table 12, an input end of the first ball screw 312 is fixedly connected with an output end of the first motor 311, the fixing plate 313 is fixedly connected with an output end of the first ball screw 312, the second moving structure 32 includes a second motor 321, a second ball screw 322 and a mounting bracket 323, the second motor 321 is fixedly mounted on a side surface of the fixing plate 313, an input end of the second ball screw 322 is fixedly connected with an output end of the second motor 321, and the mounting bracket 323 is fixedly connected with an output end of the second ball screw 322;

the mounting rack 323 comprises a fixed rack 3231, a rotary cylinder 3232 and a movable rack 3233, the fixed rack 3231 is fixedly connected with the output end of the second ball screw 322, the rotary cylinder 3232 is fixedly mounted inside the fixed rack 3231, the movable rack 3233 is rotatably connected with the fixed rack 3231, and the movable rack 3233 is fixedly connected with the output end of the rotary cylinder 3232;

one end of the movable frame 3233, which is far away from the fixed frame 3231, is provided with a mounting groove 3236, and a plurality of movable bolts 3234 are arranged in the mounting groove 3236 at intervals;

the mounting bracket 323 further comprises a protection plate 3235, the protection plate 3235 is fixedly connected with the movable bolt 3234, and the protection plate 3235 is located inside the mounting groove 3236.

In this embodiment, an input end of the first ball screw 312 is fixedly connected to an output end of the first motor 311, the fixing plate 313 is fixedly connected to an output end of the first ball screw 312, the motor can drive a screw of the first ball screw 312 to rotate during operation, so as to drive the fixing plate 313 to move, the second motor 321 is fixedly mounted on the fixing plate 313, an input end of the second ball screw 322 is fixedly connected to an output end of the second motor 321, the mounting frame 323 is fixedly connected to an output end of the second ball screw 322, the second motor 321 can drive a screw of the second ball screw 322 to rotate during operation, so as to drive the mounting frame 323 to move, the mounting frame 323 includes the fixing frame 3231, the rotating cylinder 3232 and the movable frame 3233, the fixing frame 3231 is fixedly connected to an output end of the second ball screw 322, the rotary cylinder 3232 is fixedly installed inside the fixed frame 3231, the movable frame 3233 is fixedly connected with an output end of the rotary cylinder 3232, the rotary cylinder 3232 can drive the movable frame 3233 to rotate relative to the fixed frame 3231, the side surface of the movable frame 3233 is provided with the installation groove 3236, a plurality of movable bolts 3234 are arranged at intervals at the installation groove 3236, the movable bolts 3234 can rotate relative to the movable frame 3233, one end of each movable bolt 3234 is provided with the protection plate 3235 which can increase the contact area with the blank of the hard alloy cutter material, so that the stability is improved, the blank of the hard alloy cutter material is inserted into the installation groove 3236, the movable bolts 3234 are screwed, and the protection plate 3235 supports against the blank of the hard alloy cutter material, so that the blank of the hard alloy cutter material is fixed, the first movable structure and the second movable structure are matched with each other, so that the hard alloy cutter material is driven to move in a plane, the rotary cylinder 3232 can adjust the angle of the blank of the hard alloy cutter material, and the cutting assembly 2 is convenient to cut the blank of the hard alloy cutter material.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.