CN218162901U

CN218162901U - Special-shaped blade heating core

Info

Publication number: CN218162901U
Application number: CN202222011852.3U
Authority: CN
Inventors: 王振然; 郭亚东; 李俊红; 张慧鸽; 程英硕
Original assignee: Zhengzhou Xiangtai Electronic Technology Co ltd
Current assignee: Zhengzhou Xiangtai Electronic Technology Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2022-12-27
Anticipated expiration: 2032-08-01

Abstract

The utility model discloses a dysmorphism blade heating core, including first alumina ceramic piece, second alumina ceramic piece and tungsten thick liquid printing circuit, tungsten thick liquid printing circuit sets up between first alumina ceramic piece and second alumina ceramic piece, and first alumina ceramic piece and second alumina ceramic piece overall dimension are the same and the structure is the blade structure, and the handle of a knife position of alumina ceramic piece and second alumina ceramic piece is provided with the circular through-hole that the diameter is the same, and the knife tip of first alumina ceramic piece and second alumina ceramic piece is oblique sword point, tungsten thick liquid printing circuit includes the inflection circuit that links to each other with two electrode pads respectively, inflection circuit includes the straightway and the slash section that are used for connecting two continuous horizontal line sections of a plurality of horizontal line sections that are parallel to each other setting, and a plurality of horizontal line sections are established ties in proper order; the utility model discloses can heat up and heat evenly to special-shaped blade fast, can not produce the naked light.

Description

Special-shaped blade heating core

Technical Field

The utility model relates to a ceramic heating core technical field especially relates to a dysmorphism blade heating core.

Background

A blade is a part of a knife, weapon, or machine, the edge of which is designed to pierce, cut, or scrape a material surface. The blade may be made of flint, metal, ceramic, or other material. The cutting tool or blade made of metal is the most common in production, and with the development of a new technical revolution, the requirements of continuously improving the cutting processing productivity and reducing the production cost are required, at present, various new materials which are high in strength, hardness, corrosion resistance, wear resistance and high temperature resistance and difficult to cut are increasingly increased, the use of ceramic cutting tools or blades is also increasingly increased, the use requirements of the blades are often higher as important parts of the cutting tool, in the use process of the blades, the blades are sometimes required to be heated to achieve the effect of quickly cutting certain materials, the problem solved in the prior art is mainly that the blades are electrically heated, the blades can be quickly heated by the treatment mode, but the cutting effect is easily influenced by uneven heating of the blades, open flames are easily generated during heating, and great potential safety hazards are generated; therefore, a heating device capable of rapidly increasing the temperature and uniformly heating without generating open fire is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can rapid heating up and heat evenly, can not produce the special-shaped blade heating core of naked light.

The technical solution of the utility model is that:

a heating core of a special-shaped blade comprises a first aluminum oxide ceramic wafer, a second aluminum oxide ceramic wafer and a tungsten paste printing circuit, wherein the tungsten paste printing circuit is arranged between the first aluminum oxide ceramic wafer and the second aluminum oxide ceramic wafer, the tungsten paste printing circuit is connected with two electrode pads, two electrode holes matched with the electrode pads are formed in the second aluminum oxide ceramic wafer, the electrode pads are connected with nickel wire leads, the first aluminum oxide ceramic wafer and the second aluminum oxide ceramic wafer are identical in appearance size and are of blade structures, a plurality of circular through holes with the same diameter are formed in the positions of tool shanks of the first aluminum oxide ceramic wafer and the second aluminum oxide ceramic wafer, and tool tips of the first aluminum oxide ceramic wafer and the second aluminum oxide ceramic wafer are oblique tool tips;

the two electrode pads are arranged at one end, far away from the oblique knife tip, of the first alumina ceramic chip, the tungsten paste printing circuit comprises a folding circuit connected with the two electrode pads respectively, the folding circuit comprises a plurality of horizontal line segments arranged in parallel, straight line segments connected with the two horizontal line segments and oblique line segments, and the horizontal line segments are connected in series in sequence.

The beneficial effects of the utility model are that:

the utility model discloses this kind of thermal stability of aluminium oxide potsherd that adopts is high, the leakproofness is good, the material that the coefficient of heat dissipation is high is as base plate printed circuit, and creatively designed its circuit arrangement mode on special-shaped blade, it is even to make this special-shaped blade have can rapid heating up and heating power distribution, can not produce the nature of naked light, let this device can rapid stabilization heat in the use, reduce the time that the blade heated the cutting material, and simultaneously, the blade surface also can keep being heated evenly always, the problem of the uneven cutting that arouses because of the blade is heated has been avoided, and in the continuous heating process, this device can not make the blade produce the naked light yet, the fire has been avoided suffering from.

Further, the oblique line segment is obliquely parallel to the oblique tool tip.

The line of this device oblique tool point department can guarantee the even being heated of tool point department with the oblique parallel of tool point slope.

Furthermore, the first aluminum oxide ceramic sheet and the second ceramic sheet are connected into a whole through sintering.

The first alumina ceramic piece and the second ceramic piece of the device can enhance the chemical property and the heat dissipation coefficient thereof through sintering, and the first alumina ceramic piece and the second ceramic piece are connected into a whole, so that the structure can ensure good sealing property, and the heat loss in the heating process is reduced.

Furthermore, a Teflon sleeve is arranged on the nickel wire.

The device is provided with the Teflon casing pipe on the outer layer of the nickel wire, so that the nickel wire can be well protected, and the nickel wire can better resist high temperature, corrosion and weathering.

Furthermore, the head part of the nickel wire lead is connected to the electrode pad, and the tail part of the nickel wire lead is stained with tin.

The tail of the nickel wire in the device is tin-dipped, so that good anti-oxidation effect can be achieved, and the service life of the nickel wire is prolonged.

Drawings

Fig. 1 is a top view of the utility model;

fig. 2 is a bottom view of the utility model;

FIG. 3 is a schematic illustration of the printing of a tungsten paste printed circuit;

wherein: 1. the electrode comprises a first aluminum oxide ceramic piece, a second aluminum oxide ceramic piece, a tungsten paste printing circuit, a horizontal line segment, a straight line segment, a diagonal line segment, an electrode pad, an electrode hole, a nickel wire, a circular through hole, an oblique cutter point, a nickel wire, a circular through hole, a Teflon sleeve and a tungsten paste printing circuit, wherein the tungsten paste printing circuit comprises 3 parts of a tungsten paste printing circuit, 301 parts of a horizontal line segment, 302 parts of a straight line segment, 303 parts of a diagonal line segment, 4 parts of an electrode pad, 5 parts of an electrode hole, 6 parts of a nickel wire, 7 parts of a circular through hole, 8 parts of an oblique cutter point and 9 parts of a Teflon sleeve.

Detailed Description

Referring to fig. 1, 2 and 3, a heating core of a special-shaped blade comprises a first alumina ceramic plate 1, a second alumina ceramic plate 2 and a tungsten slurry printing circuit 3, wherein the content of alumina in the substrate materials of the first alumina ceramic plate 1 and the second alumina ceramic plate 2 is not lower than 96%, the first alumina ceramic plate 1 and the second alumina ceramic plate are connected into a whole through sintering, the tungsten slurry printing circuit 3 is printed on the alumina ceramic plate and is positioned between the first alumina ceramic plate 1 and the second alumina ceramic plate 2, the tungsten slurry printing circuit 3 is connected with two electrode pads 4, the second alumina ceramic plate 2 is provided with two electrode holes 5 matched with the electrode pads 4, the electrode pads 4 are connected with a nickel wire 6, the head of the nickel wire 6 is connected to the electrode pads 4, the tail of the nickel wire 6 is coated with tin, an iron fluorine sleeve 9 is sleeved on the nickel wire 6, the first alumina ceramic plate 1 and the second alumina ceramic plate 2 have the same external dimension and the same structure, the first alumina ceramic plate 1 and the second alumina ceramic plate 2 are provided with circular through holes 7 with the same diameter, and the circular through holes 7 can be used as the tip of the first alumina ceramic plate 1 and the second alumina ceramic plate 2, and the tip of the second alumina ceramic plate 2 can be mounted with the tip 8; two electrode pad 4 set up in the one end that oblique knife tip 8 was kept away from to first alumina ceramic wafer 1, tungsten thick liquid printing circuit 3 is including the inflection circuit that links to each other with two electrode pad 4 respectively, the inflection circuit includes a plurality of horizontal line section 301 of parallel arrangement each other and is used for connecting straightway 302 and the oblique line section 303 of two horizontal line section 301 that link to each other, and a plurality of horizontal line section 301 establish ties in proper order, oblique line section 303 with oblique knife tip 8 slope is parallel.

Specifically, the thickness of the aluminum oxide ceramic plate is 1.6-1.8mm, the length of the Teflon sleeve 9 is 23-25mm, the length of the nickel wire lead 6 with tin attached to the tail is 5-7mm, the diameter of each circular through hole 7 is 1.9-2.1mm, the distance between the circle centers of the two circular through holes 7 is 5.8-6.2mm, and the horizontal length of the knife handle is 9.8-10.2mm. The vertical length of the knife handle is 3.9-4.1mm, a 45-degree chamfer is arranged at the intersection of the upper ends of the horizontal length and the vertical length, the linear dimension of the chamfer is 2.3-2.7mm, the width of the blade is 22.3-23.3mm, the total length of the upper end of the blade is 73.87-75.87mm, the total length of the lower end of the blade is 50.36-51.36mm, and fillets with the same radius are arranged at the joint of the two ends of the knife edge and the joint of the two ends of the oblique knife point 8.

When the device is implemented, a plurality of tungsten paste printing circuits 3 are arranged on the first alumina ceramic sheet 1 in order. And an electrode bonding pad 4 is arranged, an electrode hole 5 corresponding to the position of the electrode bonding pad 44 is punched on the second aluminum oxide ceramic plate 2, then the first aluminum oxide ceramic plate 1 and the second aluminum oxide ceramic plate 2 are sintered into a whole at 1630 ℃, and then the single plates are thermally cut according to each tungsten paste printing circuit 3 for batch production.

The utility model is provided with the circular through holes 7 with the same diameter at the knife handle positions of the first alumina ceramic plate 1 and the second alumina ceramic plate 2, the volume is small, and the fixation is convenient; the tungsten paste printing circuit 3 is of a reverse-folded structure and is fully distributed on the whole heating plate, so that the heating efficiency is high, the uniformity is good, the power density is high, the service life is long, the surface is safe and uncharged, the insulating property is good, the tungsten paste printing circuit can withstand a voltage withstanding test of 4500V/1S, breakdown is avoided, and the leakage current is less than 0.5mA; the device has no impact peak current, no power attenuation, rapid temperature rise, safety and no open fire; the energy is saved remarkably, and the unit heat and power consumption is saved by 20-30% compared with PTC.

Claims

1. The utility model provides a dysmorphism blade heating core, includes first alumina ceramic wafer, second alumina ceramic wafer and tungsten thick liquid printed circuit, tungsten thick liquid printed circuit sets up between first alumina ceramic wafer and second alumina ceramic wafer, two electrode pads of tungsten thick liquid printed circuit connection, be provided with on the second alumina ceramic wafer with two electrode hole of electrode pad matched with, nickel wire, its characterized in that are connected to the electrode pad: the first aluminum oxide ceramic sheet and the second aluminum oxide ceramic sheet have the same size and are in a knife body structure, a plurality of circular through holes with the same diameter are formed in the positions of knife handles of the first aluminum oxide ceramic sheet and the second aluminum oxide ceramic sheet, and knife tips of the first aluminum oxide ceramic sheet and the second aluminum oxide ceramic sheet are oblique knife tips;

2. The profiled blade heating core of claim 1 wherein the diagonal segment is obliquely parallel to the diagonal tip.

3. The profiled blade heating core of claim 1, wherein the first alumina ceramic sheet and the second ceramic sheet are connected into a whole by sintering.

4. The profiled blade heating core of claim 1 wherein a teflon sleeve is disposed over the nickel wire lead.

5. The profiled blade heating core as claimed in claim 1, wherein the nickel wire leads have a head portion connected to the electrode pad and a tail portion coated with tin.