CN209919010U

CN209919010U - Saw blade with brazed hard alloy modules

Info

Publication number: CN209919010U
Application number: CN201920536171.4U
Authority: CN
Inventors: 庄政伟; 庄敏伟
Original assignee: FUNLIN SUPER HARD TOOLS Co Ltd
Current assignee: FUNLIN SUPER HARD TOOLS Co Ltd
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2020-01-10
Anticipated expiration: 2029-04-19

Abstract

The utility model discloses a saw bit with carbide module of brazing, the saw bit with carbide module of brazing includes the saw bit body, its characterized in that be provided with the lightening hole that inside and outside two rings of annular array arranged on the saw bit body, inside and outside two rings of lightening hole staggered arrangement, the periphery of saw bit body is provided with the inflation groove in the directional centre of a circle of multichannel, and the inflation groove equipartition has five, be provided with a plurality of carbide modules of interval arrangement on the outer peripheral face of saw bit body, be provided with the clearance between two adjacent carbide modules, be provided with six carbide modules between two adjacent inflation grooves, the utility model discloses carbide module integrated into one piece welds the compactness of the work portion that sends whole saw bit after on the saw bit body good, has the production of being convenient for, and product quality is higher, the longer advantage of life.

Description

Saw blade with brazed hard alloy modules

Technical Field

The utility model belongs to the technical field of the saw bit is relevant, concretely relates to saw bit with hard alloy module brazes.

Background

With the development of the modern machining industry, the requirements on the cutting quality and precision are continuously improved, and the requirements on improving the production efficiency, reducing the production cost and having a high-intelligent automatic cutting function are also improved. The traditional saw blade production process with the hard alloy is to weld one hard alloy particle to the periphery of a saw blade body through flame surfacing, because the size precision of the flame surfacing is uncontrollable, the surfacing efficiency is low, in addition, because the efficiency of the mode is low, the hard alloy particles with the same size and particle size can be only subjected to surfacing generally during the flame surfacing, therefore, the gap between two adjacent hard alloy particles can be relatively large, the compactness of the working part of the whole saw blade is poor, and the product quality and the service life are influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a saw bit with carbide module of brazing provides the production of being convenient for, and product quality is higher, the longer saw bit with carbide module of brazing of life.

In order to achieve the above object, the utility model provides a following technical scheme:

the saw blade with the brazing hard alloy modules comprises a saw blade body, wherein the saw blade body is provided with an inner circle of lightening holes and an outer circle of lightening holes which are arranged in an annular array manner, the number of the lightening holes of the inner circle is 15, the aperture of the lightening holes of the inner circle is 18mm, the number of the lightening holes of the outer circle is 15, the aperture of the lightening holes of the outer circle is 20mm, the inner circle of lightening holes and the outer circle of lightening holes are arranged in a staggered manner, the periphery of the saw blade body is provided with a plurality of expansion grooves pointing to the circle center, the width of each expansion groove is 4mm, the aperture of the inner section of each expansion groove is 6mm, five expansion grooves are uniformly distributed, the peripheral surface of the saw blade body is provided with a plurality of hard alloy modules which are arranged at intervals, a gap is formed between every two adjacent hard alloy modules, six hard alloy modules are arranged between every two adjacent expansion grooves, the length of the two middle hard, the lengths of the other two hard alloy modules are 25mm, the heights and the widths of the six hard alloy modules are respectively 6.5mm and 10mm, and the error range of the sizes is within 5 percent.

Wherein the size of the hard alloy module is approximately rectangular block-shaped structure, according to different sizes of the six hard alloy modules, a die for producing the hard alloy module aiming at the hard alloy module production is designed, the die is made of ceramic materials, the die comprises a die bottom plate which is transversely arranged, an end fixing plate is upwards arranged at the left end of the die bottom plate, side fixing plates are upwards arranged at the front end and the rear end of the die bottom plate, transverse sliding grooves are respectively arranged on the top surface of the die bottom plate and the inner side surfaces of the side fixing plates, a plurality of vertical limiting holes which are arranged at intervals are arranged on the right section of the sliding groove of the die bottom plate, a movable plate is arranged between the die bottom plate and the two side fixing plates, the movable plate and the end fixing plates are arranged in parallel, a movable plate handle is arranged on the right end surface, therefore, the size of the five plates is adjusted, and the manufacturing of hard alloy modules with different sizes is met.

Compared with the prior art, the utility model provides a saw bit with carbide module of brazing possesses following beneficial effect:

the utility model discloses carbide module integrated into one piece welds the compactness that causes the working part of whole saw bit after on the saw bit body good, has the production of being convenient for, and product quality is higher, the longer advantage of life.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic view of the novel structure provided by the present invention;

fig. 2 is a schematic structural diagram of the novel application in the cutting machine provided by the present invention;

fig. 3 is a schematic structural view of a mobile device according to the present invention;

fig. 4 is a schematic view of a motor structure according to the present invention;

fig. 5 is a schematic view of the mold provided by the present invention.

In the figure: 1. replacing the carbon brush port; 2. a motor; 3. a locking switch button; 4. a grip; 5. a power line; 6. a cutter switch key; 7. a cutting depth adjusting knob; 8. a saw blade protecting cover; 9. a saw blade; 10. A motor shaft; 11. a metal base plate; 12. a mobile device; 21. a bearing; 22. a rotor; 23. a fan; 111. a drum; 112. a fixed mount; 113. moving the rotating shaft; 114. and a rotating shaft hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a saw blade with brazed cemented carbide modules, comprising: the saw blade with the brazing hard alloy modules comprises a saw blade body 901, wherein the saw blade body 901 is provided with two circles of lightening holes 902 which are arranged in an annular array mode, 15 lightening holes 902 are arranged in the inner circle, the aperture of the lightening hole 902 in the inner circle is 18mm, 15 lightening holes 902 in the outer circle is 20mm, the two circles of lightening holes 902 in the outer circle are arranged in a staggered mode, a plurality of expansion grooves 903 pointing to the circle center are formed in the periphery of the saw blade body 901, the width of each expansion groove 903 is 4mm, the aperture of the inner section of each expansion groove 903 is 6mm, five expansion grooves 903 are evenly distributed, a plurality of hard alloy modules 904 are arranged on the outer peripheral surface of the saw blade body 901 at intervals, a gap 905 is formed between every two adjacent hard alloy modules 904, six hard alloy modules 904 are arranged between every two adjacent expansion grooves 903, and the length of the two middle hard alloy modules 904 in the six hard alloy modules 904 is 20mm, the two cemented carbide modules 904 closest to the expansion tank 903 are 30mm in length, the remaining two cemented carbide modules 904 are 25mm in length, and the six cemented carbide modules 904 are 6.5mm and 10mm in height and width, respectively, with a tolerance of the above dimensions within 5%.

The size of the cemented carbide module 904 is approximately a rectangular block structure, according to different sizes of the six cemented carbide modules 904, a dedicated mold 909 for producing the cemented carbide module 904 is designed, the mold 909 is a ceramic mold, the mold 909 includes a mold base plate 909.1 arranged transversely, an end fixing plate 909.2 is arranged upwards at the left end of the mold base plate 909.1, side fixing plates 909.3 are arranged upwards at the front and rear ends of the mold base plate 909.1, transverse sliding grooves 909.4 are arranged on the top surface of the mold base plate 909.1 and the inner side surface of the side fixing plate 909.3, a plurality of vertical limiting holes 909.5 arranged at intervals are arranged on the right section of a sliding groove 909.4 of the mold base plate 909.1, a movable plate 909.6 is arranged between the mold base plate 909.1 and the two side fixing plates 909.3, a movable plate 909.6 is arranged parallel to the end fixing plate 909.2, a movable plate handle 909.7 is arranged on the right end surface of the movable, the movable plate handle 909.7 is controlled to control the movable plate 909.6 to move left and right in the sliding groove 909.4, so that the size between five plates (a mold bottom plate 909.1, an end fixing plate 909.2, two front and rear side fixing plates 909.3 and a movable plate 909.6) is adjusted, the manufacture of the hard alloy modules 904 with different sizes is met, when the hard alloy modules 904 with corresponding sizes need to be manufactured, the movable plate 909.6 moves to a corresponding position, a pin 909.8 is inserted into a limiting hole 909.5, hard alloy materials are filled into the area surrounded by the five plates, the hard alloy materials comprise small particles with different composite sizes and different particle sizes, the possibility that small air holes are generated among the particles in the subsequent brazing process is overcome, the overall strength of the hard alloy modules is increased, the mixed materials are added into a mold 909, solder is added, the mass fraction of Cu in the solder is 90 parts, the mass portion of Cr is 3, the mass portion of Ni is 7, wherein the infiltration performance of Cr and hard alloy material is good, then the die 909 is moved into a vacuum brazing furnace: in vacuum degree higher than 3X 10^-3Soldering at 900-920 ℃ in Pa atmosphere, preferably 920 ℃, and keeping the temperature for 10 minutes to obtain a hard alloy module 904 finished productThe cemented carbide modules 904 are then welded to the blade body 901 in a full high frequency welding.

The saw blade with the brazing hard alloy module (saw blade 9 for short) is assembled to form a saw blade machine, the saw blade machine comprises a motor 2 and a handle 4, the upper end of the motor 2 is provided with the handle 4, the upper part of the front end of the handle 4 is embedded with a locking switch button 3, the left lower end of the locking switch button 3 is positioned at the upper end of the motor 2 and is embedded with a cutting machine switch key 6, the right end of the handle 4 is provided with a power wire 5, the power wire 5 is electrically connected with an external power supply, the rear side of the left end of the saw blade 9 is provided with a carbon brush replacing port 1, the front end of the saw blade 9 is connected with a saw blade protecting cover 8 through a bolt, the lower side of the right end of the saw blade protecting cover 8 is connected with a cutting depth adjusting knob 7 through a bolt, the lower end of the left side of the cutting, the left and right sides of the lower end of the metal bottom plate 11 are welded with moving devices 12.

Further, the metal base plate 11 includes a roller 111, a fixing frame 112, a movable rotating shaft 113 and a rotating shaft hole 114, the movable rotating shaft 113 penetrates through the metal base plate 11, the rotating shaft holes 114 are connected to the left and right ends of the movable rotating shaft 113 through bolts, the rotating shaft hole 114 penetrates through the fixing frame 112, and the length of the movable rotating shaft is 70 mm.

Further, motor 2 includes bearing 21, rotor 22 and fan 23, and bearing 21 lower extreme has cup jointed rotor 22 through motor shaft 10, and the lower extreme that rotor 22 lower extreme is located bearing 21 has cup jointed fan 23 mobile device 12 through motor shaft 10 and has been provided with two altogether, and two mobile device 12 weld respectively in the 11 lower extreme left and right sides of metal soleplate, and metal soleplate 11 material is 304 stainless steel material, and wherein 304 stainless steel has the anticorrosion, and is able to bear or endure the oxidation, advantages such as toughness height.

Furthermore, two moving devices 12 are provided, and the two moving devices 12 are respectively welded at the left and right sides of the lower end of the metal bottom plate 11, and the metal bottom plate 11 is made of 304 stainless steel

Furthermore, a total of five chip removal holes 94 are arranged, and the five chip removal holes 94 uniformly penetrate through the side of the saw face 93, wherein the diameter of each chip removal hole 94 is 18 mm.

Furthermore, the number of the fixing frames 112 is two, and the two fixing frames 112 are made of cast iron, wherein the cast iron has the advantages of high hardness, corrosion resistance and the like.

Further, two bearings 21 are arranged, the two bearings 21 are respectively sleeved on the upper end and the lower end of the rotor 22, the bearing 21 is made of 304 stainless steel, and the 304 stainless steel has the advantages of corrosion resistance, oxidation resistance, high toughness and the like.

The utility model discloses a theory of operation and use flow: the utility model discloses install the back, at first with power cord 5 connection, put the cutting machine on the cutting material cutting thing, adjust depth of cut through depth of cut adjust knob 7, the staff holds handle 4 and holds cutting machine on & off key 6, the model is YP50152E motor 2 and begins to rotate and drive saw bit 9 through motor shaft 10 and rotate and begin to cut the material, saw bit safety cover 8 blocks the dust of upwards taking and discharges from chip removal hole 94 when the cutting, thereby the mobile device 12 under the metal soleplate 11 drives cylinder 111 through artifical atress and rotates and accomplish the material cutting forward when continuing to promote the cutting forward when the mobile device 12 that metal soleplate 11 connects.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The saw blade with the brazing hard alloy modules comprises a saw blade body and is characterized in that the saw blade body is provided with two circles of lightening holes which are arranged in an annular array mode, 15 lightening holes are arranged on an inner circle, the aperture of the lightening holes is 18mm, 15 lightening holes are arranged on an outer circle, the aperture of the lightening holes is 20mm, the inner circle and the outer circle of lightening holes are arranged in a staggered mode, a plurality of expansion grooves pointing to the circle center are formed in the periphery of the saw blade body, the width of each expansion groove is 4mm, the aperture of the inner section of each expansion groove is 6mm, five expansion grooves are evenly distributed, a plurality of hard alloy modules are arranged on the periphery of the saw blade body at intervals, a gap is formed between every two adjacent hard alloy modules, six hard alloy modules are arranged between every two adjacent expansion grooves, and the length of the two middle hard alloy modules in the six hard alloy modules is 20mm, the length of two hard alloy modules closest to the expansion tank is 30mm, the length of the other two hard alloy modules is 25mm, the height and the width of six hard alloy modules are respectively 6.5mm and 10mm, and the error range of the sizes is within 5%.

2. The saw blade with brazed cemented carbide modules as in claim 1, wherein the cemented carbide modules are dimensioned as rectangular blocks.