CN106493761B - A kind of dustless rock wool cutter of bonding gold and its processing method - Google Patents
A kind of dustless rock wool cutter of bonding gold and its processing method Download PDFInfo
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- CN106493761B CN106493761B CN201611266946.8A CN201611266946A CN106493761B CN 106493761 B CN106493761 B CN 106493761B CN 201611266946 A CN201611266946 A CN 201611266946A CN 106493761 B CN106493761 B CN 106493761B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/0006—Cutting members therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/0006—Cutting members therefor
- B26D2001/006—Cutting members therefor the cutting blade having a special shape, e.g. a special outline, serrations
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Abstract
The invention discloses a kind of dustless rock wool cutter of bonding gold and its processing methods, belong to technical field of mechanical cutters, processing noise big problem more to solve existing rock wool cutter Dust Capacity when cutting to rock wool.A kind of dustless rock wool cutter of bonding gold include cutter hub and blade, and cutter hub is circle, and blade is arc section shape, and blade is uniformly welded on cutter hub lateral surface, forms complete circumference blade, are equipped with silencing groove in the outer nose circle of cutter hub.Its processing method is to cast cutter hub and blade blank first, carries out semifinishing to cutter hub blank；Then by blade blank uniform welding on the lateral surface of cutter hub；Silencing groove is subsequently processed on cutter hub；Finally to the progress grinding of cutter hub periphery upper knife edge is welded on, the production of cutter is completed.Since blade circumference of the invention is complete, no sawtooth gap, so Dust Capacity is few when cutting rock wool board, and the silencing groove on cutter hub can be very good to reduce processing noise.
Description
Technical field
The invention belongs to technical field of mechanical cutters, more specifically to a kind of dustless rock wool cutter of bonding gold and
Its processing method.
Background technique
Rock wool be it is a kind of heat preservation, heat-insulated, sound insulation material, since it is with superior energy conservation, fire prevention, sound insulation, environmental protection, nothing
Burn into is "dead" can, so being widely used in the occasions such as heat preservation, fire prevention of industry and building etc..Rock wool is cut
When processing, if cutting tool choice is improper, the rock wool appearance after will lead to cutting is expanded, is fallen apart, surface irregularity or surrounding are stuck up
Phenomena such as rising, influences the use of rock wool.The cutting tool that rock wool production is equipped at present, what is generallyd use is with serrate
Saw blade, since the thickness of sawtooth is thicker, knife edge part has jagged gap, and the rock wool of cutting is considered to be worth doing to fly at knife-edge gap
Out, the Dust Capacity generated when cutting is very big, so the requirement to dust collection device is high, the labor intensity of the energy consumption and worker gathered dust
It is very big, and common cutting tool material is ordinary carbon steel, and the wearability of cutter is poor, and service life is shorter.On the other hand,
When due to cutting, the vibration of cutter is bigger, so the noise of generation is bigger when cutting rock wool, the environment of production and processing is disliked
It is bad.
Chinese utility model patent, publication number: publication date: CN201863302U on 06 15th, 2011, discloses one kind
Dustless rock wool cutting tool, which is characterized in that including cutterhead, the cutterhead is circular ring shape, and cutterhead outer rim is provided with a ring shape
The section of blade, the circular blade is triangular in shape by apex angle of point of a knife；The cutterhead is with a thickness of 3~8mm, the nose angle
Degree is 3~18 °, and the common material of the utility model is hard alloy steel.The utility model has the beneficial effect that, when producing rock wool
Dust Capacity it is few, it is not necessary to use dust collection device, Tool in Cutting amount is small, rock wool board high yield rate, avoid due to Dust Capacity is big,
Dust collection effect difference causes dust to remain in product surface and influences product quality, reduces the labor intensity of cleaning dust.
But the common material of the utility model is hard alloy steel, blade is identical with the material of cutterhead, and in actual use, only
There is knife edge part to bear the active force of cutting, so the intensity requirement of intermediate cutterhead does not need too high, is made using hard alloy
Cutterhead will cause the waste of resource, and the manufacturing cost of the utility model is higher.
Publication number: CN105666709A publication date: Chinese invention patent on 06 15th, 2016, discloses a kind of cutting
Cutter, including in circular ring shape cutterhead, be set to the outer peripheral circular ring shape blade of cutterhead, be set to outside the blade
The titanium nitride layer on surface, the mounting hole being opened at the cutter head center, the cross section of the blade are in isosceles triangle,
Dust Capacity when cutting rock wool board is few, without fugitive dust, it is not necessary to use dust collection device；Tool in Cutting amount is small, rock wool board high yield rate；
It avoids and causes dust to remain in product surface since Dust Capacity is big, dust collection effect is poor and influence product quality；Reduce cleaning
The labor intensity of workers of dust, and by the wearability of setting titanium nitride layer increase blade, it prolongs its service life.But the hair
It is the intensity of enhancing knife edge part in bright, needs to increase titanium nitride layer in blade surface, process is more many and diverse, and processes work
Skill and the titanium nitride layer cost of raw material are higher, and in use, blade and rock wool friction vibration are larger, and generation is made an uproar for the invention
Sound is larger, causes processing environment severe.
Summary of the invention
1, it to solve the problems, such as
For existing rock wool cutter when being cut to rock wool, lead to the problem of more than dust, the present invention provides one kind
The dustless rock wool cutter of bonding gold and its processing method.The dustless rock wool cutter of a kind of bonding gold of the invention are in cutting rock wool
When, Dust Capacity is few, and noise very little when cutting；A kind of processing side of the dustless rock wool cutter of bonding gold through the invention
Method can fast and efficiently process a kind of above-mentioned dustless rock wool cutter of bonding gold.
2, technical solution
To solve the above problems, the present invention adopts the following technical scheme that.
A kind of dustless rock wool cutter of bonding gold, including cutter hub and blade, cutter hub are circle, blade is arc-shaped, blade
It is connected to cutter hub lateral surface in turn.
Blade is sectional arc-shaped, and compared to entire circular blade, it is more convenient to process, using die forging into
When row processing, the size of mold is smaller.And when notch occurs in blade, this section of blade of indentation, there can be removed, be replaced
Reusing for solid tool can be realized in new blade, compared with solid tool in the prior art, the reuse of material
Rate is improved.
It as a further improvement of the present invention, further include silencing groove, silencing groove is evenly distributed on cutter hub and blade, is disappeared
Sound slot runs through cutter hub and blade, and silencing groove includes centre bore, spiral section and straightway, and spiral section connects centre bore with straightway
For an entirety, centre bore and spiral section are located on cutter hub, and straightway extends on cutter hub through blade.
Silencing groove is processed on cutter hub and blade, it is possible to reduce noise of the cutter in cutting process improves production and processing
Environment.Silencing groove is evenly distributed on cutter hub and blade, in the case where not influencing cutter hub and edge strength, the quantity of silencing groove
It is 8~10.The spiral section of silencing groove connects centre bore and straightway, and the concussion that knife edge part generates is along straightway
It is transmitted to spiral section, vibration is absorbed decreases, finally disappears in central hole, effective less knife edge part and rock wool cutting
When the noise that generates.And the end of silencing groove is helical form, body portion will not continue to crack along straightway, the intensity of cutter hub
It is guaranteed.
As a further improvement of the present invention, the cutter hub further includes axis hole and connecting hole, and axis hole is located at the circle of cutter hub
At the heart, connecting hole is evenly distributed on the outside of axis hole, and the distribution circle that the center of circle of all connecting holes is constituted is concentric with axis hole.
Axis hole is set at cutter hub center, cutter is facilitated to be attached with power device, it can be quickly by knife by connecting hole
Piece is fixed in power device, improves the dismounting convenience of cutter.
As a further improvement of the present invention, the blade includes changeover portion and point of a knife section, changeover portion and cutter hub it is outer
Side connection, it is 3 °~60 ° that the extension line of point of a knife section, which is formed by angle,.The changeover portion of blade is attached with cutter hub, point of a knife
Section is formed by angle and is set as 3 °~60 ° for cutting rock wool, the extension line of point of a knife section, guarantees that point of a knife has centainly strong
Degree also has preferable cutting performance.
As a further improvement of the present invention, the material of cutter hub is steel alloy, and the material of blade is hard alloy.Blade part
Divide for cutting rock wool, needs to bear cutting force, so making blade using the higher hard alloy of intensity, body portion is used for
Knife edge part is supported, the rotary force of cutter is primarily subjected to, so the preferable steel alloy of rigidity is selected to make cutter hub, cutter hub and blade
Using different materials, the service performance of cutter not only ensure that, but also saved manufacturing cost.
A kind of dustless rock wool cutter processing method of bonding gold, comprising the following steps:
The first step casts the blank of cutter hub with steel alloy according to a kind of above-mentioned dustless rock wool cutter of bonding gold；
Second step carries out mechanical semifinishing to the blank of cutter hub；
Third step casts blade blank using hard alloy；
4th step, processes silencing groove on cutter hub and blade, and the silencing groove of processing is evenly distributed on cutter hub and blade；
Blade blank is successively welded on the lateral surface of cutter hub by the 5th step, and two pieces of adjacent blades are welded on one
It rises；
6th step carries out grinding to the blade being welded on cutter hub lateral surface, completes the production of blade.
Before blade is welded on cutter hub, first blade and cutter hub blank are processed, for the difficulty for reducing post-production
Degree carries out mechanical semifinishing to cutter hub, silencing groove is then processed on cutter hub and blade, then by one section before welding
One section of blade is welded to the lateral surface of cutter hub, after the completion of welding, polishes weld seam；Finally knife edge part is ground
Processing, makes the junction smooth welded seam of blade and cutter hub, so that the extension line of the point of a knife section of blade is formed by angle and reach setting
It is worth (3 °~60 °), and roughness at the surface of blade point of a knife section is made to reach Ra0.8.
As a further improvement of the present invention, in second step, carrying out semi-finished part to cutter hub includes axis hole and company
Connect hole.Axis hole is located at the center point of cutter hub, and connecting hole is evenly distributed on the outside of axis hole, point that the center of circle of all connecting holes is constituted
Cloth circle is concentric with axis hole.After blade welding, the machining of body portion can be more many and diverse, so in welding blade
Before, the axis hole and connecting hole of body portion are first processed.
As a further improvement of the present invention, in the 4th step, the welding method of blade is soldering.Using than cutter hub and blade
Low-melting copper wire makees solder, cutter hub and blade is heated to above to the fusing point of copper wire, but be lower than the temperature of cutter hub and blade fusing point
Degree soaks cutter hub and blade using liquid copper, and fills play movement, liquid copper and cutter hub and the counterdiffusion of blade phase and realize knife
The connection of body and blade.When soldering, cutter hub and blade homogeneous heating, cutter hub and blade relative deformation and soldered fitting it is residual
Residue stress is smaller, it is ensured that the precise measure of cutter hub and blade.
As a further improvement of the present invention, in the 5th step, the method for processing silencing groove is wire cutting.First processing linear
Section continues to process spiral section then along straightway, finally processes centre bore in end.Wire cutting is directly carried out using electric energy
Pulsed discharge processing, tool-electrode and workpiece are not directly contacted with, and macroscopical cutting force in no machining can process various
Fine hole slot, narrow slit, arbitrary curve, the silencing groove being suitble on processing cutter hub and blade.It can be quick using wire cutting method
The silencing groove of setting is processed on cutter hub and blade, shortens the process-cycle.
As a further improvement of the present invention, in the 6th step, when being ground to blade, first the commissure of blade is carried out
Grinding, flushes weld seam and the surface of blade and cutter hub, is then ground the changeover portion of blade, keeps cutter hub and the transition of point of a knife section flat
It is sliding, it is finally ground the point of a knife section of blade, so that the extension line of point of a knife section is formed by angle and reaches 3 °~60 °.
By grinding, make the smooth welded seam of the junction of cutter hub and blade, improves the surface roughness of cutter；Mill
Changeover portion is cut, makes have constant slope between changeover portion and cutter hub, the transitions smooth between point of a knife section and cutter hub guarantees the knot of blade
Structure intensity；The extension line of point of a knife section is finally formed by angle and is ground to 3 °~60 °, makes the keen edge of cutter, to reach
Service performance requirement.
3, beneficial effect
Compared with the prior art, the invention has the benefit that
(1) the dustless rock wool cutter of a kind of bonding of the invention gold, sectional blade are evenly distributed on the outer of cutter hub
Nose circle forms whole cutter, and the knife edge part of cutter is continuous, and when cutting rock wool, the Dust Capacity of generation is few；In cutter hub and
Knife edge part is equipped with silencing groove, the vibration for the bad student that rubs between blade and rock wool can be eliminated, when significantly lower processing
Noise；
(2) spiral section of the dustless rock wool cutter of a kind of bonding of the invention gold, silencing groove connects centre bore and straightway
It picks up and, the concussion that knife edge part generates is transmitted to spiral section along straightway, and vibration is absorbed decrease, finally disappears in center
At hole, the noise generated when knife edge part and rock wool cutting is effectively reduced, and the end of silencing groove is helical form, cutter hub
Part will not continue to crack along straightway, and the intensity of cutter hub is ensured；
(3) the dustless rock wool cutter of a kind of bonding of the invention gold, cutter hub includes axis hole and connecting hole, and axis hole is located at cutter hub
The center point, connecting hole is evenly distributed on the outside of axis hole, and the distribution circle that the center of circle of all connecting holes is constituted is concentric with axis hole,
Axis hole is arranged in cutter hub center, facilitates cutter to be attached with power device, can be quickly fixed on blade by connecting hole dynamic
On power device, the dismounting convenience of cutter is improved；
(4) material of the dustless rock wool cutter of a kind of bonding of the invention gold, cutter hub is steel alloy, and cutter hub is rigidly preferable,
The rotary force of cutter can be born, the material of blade is hard alloy, and the intensity of blade is higher, and blade can bear to cut with rock wool
Cutting force when cutting, cutter hub and blade use different materials, not only ensure that the service performance of cutter, but saved manufacture at
This；
(5) the dustless rock wool cutter processing method of a kind of bonding of the invention gold, before blade is welded on cutter hub,
First blade and cutter hub blank are processed, before welding, mechanical semifinishing is carried out to cutter hub, reduces the difficulty of post-production
Degree；All blades are welded on cutter hub, silencing groove is processed and then grinding is carried out to knife edge part, are guaranteed all
Flatness between blade is higher；
(6) the dustless rock wool cutter processing method of a kind of bonding of the invention gold, using more low-melting than cutter hub and blade
Copper wire makees solder, cutter hub and blade is heated to above to the fusing point of copper wire, but be lower than the temperature of cutter hub and blade fusing point, utilizes liquid
State copper soaks cutter hub and blade, and fills play movement, liquid copper and cutter hub and the counterdiffusion of blade phase and realize cutter hub and blade
Connection, when soldering, the residual stress of cutter hub and blade homogeneous heating, cutter hub and blade relative deformation and soldered fitting compared with
It is small, it is ensured that the precise measure of cutter hub and blade；
(7) the dustless rock wool cutter processing method of a kind of bonding of the invention gold processes noise reduction using the method for wire cutting
Slot, wire cutting directly carry out pulsed discharge processing using electric energy, and tool-electrode and workpiece are not directly contacted with, in no machining
Macroscopical cutting force can process various fine hole slots, narrow slit, arbitrary curve, be suitble to the noise reduction of processing cutter hub and knife edge part
Slot can quickly process the silencing groove of setting using wire cutting method on cutter hub and blade, shorten the process-cycle.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the dustless rock wool cutter of bonding gold of the invention；
Fig. 2 is partial enlarged view at a kind of A of the dustless rock wool cutter of bonding gold of the invention；
Fig. 3 is a kind of cutter hub of the dustless rock wool cutter of bonding gold of the invention and the connection sectional view of blade.
In figure: 1, cutter hub；2, blade；11, silencing groove；12, axis hole；13, connecting hole；21, changeover portion；22, point of a knife section；
111, straightway；112, spiral section；113, centre bore.
Specific embodiment
The present invention is further described below combined with specific embodiments below.
Embodiment 1
As shown in Figure 1 and Figure 2, the dustless rock wool cutter of a kind of bonding gold, including cutter hub 1 and blade 2, cutter hub 1 are circle,
Blade 2 is arc-shaped, and blade 2 is connected to 1 lateral surface of cutter hub in turn.
Blade 2 is sectional arc-shaped, and compared to entire circular blade, it is more convenient to process, using die forging
When being processed, the size of mold is smaller.And when notch occurs in blade 2, this section of blade 2 of indentation, there can be removed,
The blade 2 more renewed, can be realized reusing for solid tool.
Embodiment 2
A kind of dustless rock wool cutter of bonding gold of the present embodiment, it is similar to Example 1, the difference is that, this implementation
Example further includes silencing groove 11, and silencing groove 11 is evenly distributed on cutter hub 1 and blade 2, and silencing groove 11 runs through cutter hub 1 and blade 2,
Silencing groove 11 includes centre bore 113, spiral section 112 and straightway 111, and spiral section 112 connects centre bore 113 and straightway 111
It is connected in an entirety, centre bore 113 and spiral section 112 are located on cutter hub 1, and straightway 111 extends on cutter hub 1 through blade 2.
In the present embodiment, silencing groove 11 is located at commissure of the straightway 111 on blade 2 between two pieces of blades 2, by
In commissure, the material is soft, easy to process, further improves the easy making process of the present embodiment.
In the present embodiment, silencing groove 11 is processed on cutter hub 1 and blade 2, it is possible to reduce cutter making an uproar in cutting process
Sound improves production and processing environment.Silencing groove 11 is evenly distributed on cutter hub 1 and blade 2, is not influencing 2 intensity of cutter hub 1 and blade
In the case where, the quantity of silencing groove 11 is 8~10.The spiral section 112 of silencing groove 11 connects centre bore 113 and straightway 111
It picks up and, the vibration that 2 part of blade generates is transmitted to spiral section 112 along straightway 111, and vibration is absorbed decrease, finally disappears
It loses at centre bore 113, effectively reduces the noise generated when 2 part of blade and rock wool cutting.And in silencing groove 11
Between be partially helical form 112,2 part of cutter hub will not continue to crack along straightway 111, and the intensity of cutter hub 2 is guaranteed.
Embodiment 3
A kind of dustless rock wool cutter of bonding gold of the present embodiment, it is similar to Example 2, the difference is that, it is described
Cutter hub 2 further includes axis hole 12 and connecting hole 13, and axis hole 12 is located at the center point of cutter hub 2, and connecting hole 13 is evenly distributed on axis hole 12
Outside, the circle and axis hole 12 that the centers of circle of all connecting holes 13 is constituted be concentric.
In the present embodiment, axis hole 12 is set at 2 center of cutter hub, facilitates cutter to be attached with power device, passes through connection
Cutter can be quickly fixed in power device by hole 13, improve the dismounting convenience of cutter.
Embodiment 4
As shown in figure 3, a kind of dustless rock wool cutter of bonding gold of the present embodiment, similar to Example 3, difference exists
In the blade 2 includes changeover portion 21 and point of a knife section 22, and changeover portion 21 is connect with the lateral surface of cutter hub 1, and point of a knife section 22 is prolonged
Stretching line to be formed by angle a is 3 °~60 °, and in the application of the present embodiment, angle value can choose 3 °, 45 ° and 60 ° angularly
Value.
In the present embodiment, the changeover portion 21 of blade 2 with cutter hub 1 for being attached, and point of a knife section 22 is for cutting rock wool, knife
The extension line of apical segment 22 is formed by angle a and is set as 3 °~60 °, guarantees that point of a knife 2 has certain intensity, also has preferable
Cutting performance.
Embodiment 5
A kind of dustless rock wool cutter of bonding gold of the present embodiment, it is similar with any technical solution of embodiment 1-4, difference
It is in the material of cutter hub 1 is steel alloy, and the material of blade 2 is hard alloy.
In the present embodiment, cutting force is born, using the higher hard alloy of intensity, cutter hub 1 for cutting in 2 part of blade
Part is used to support knife edge part, is primarily subjected to the rotary force of cutter, so selecting the preferable steel alloy of rigidity.Cutter hub 1 and knife
Sword 2 uses different materials, not only ensure that the service performance of cutter, but also saved manufacturing cost.
Embodiment 6
A kind of dustless rock wool cutter processing method of bonding gold, comprising the following steps:
The first step casts the blank of cutter hub 1 with steel alloy according to a kind of above-mentioned dustless rock wool cutter of bonding gold；
Second step carries out mechanical semifinishing to the blank of cutter hub 1；
Third step casts 2 blank of blade using hard alloy；
4th step, processes silencing groove 11 on cutter hub 1 and blade 2, and the silencing groove 11 of processing is evenly distributed on cutter hub 1 and knife
On sword 2；
2 blank of blade is successively welded on the lateral surface of cutter hub 1 by the 5th step, and two pieces of adjacent blades 2 are welded on
Together；
6th step carries out grinding to cutter hub lateral surface upper knife edge 2 is welded on, completes the production of cutter.
Before blade 2 is welded on cutter hub 1, first blade 2 and 1 blank of cutter hub are processed, to reduce post-production
Difficulty mechanical semifinishing is carried out to cutter hub 1 before welding, then process and disappear on whole cutter hub 1 and blade 2
Sound slot 11, then sectional blade 2 is welded to the outer nose circle of cutter hub 1, after the completion of welding, polish weld seam；Finally
Grinding processing is carried out to 2 part of blade, makes the junction smooth welded seam of blade 2 Yu cutter hub 1, makes prolonging for the point of a knife section 22 of blade 2
Stretch line and be formed by angle a and reach setting value, and make blade 2 point of a knife section 22 surface at roughness reach Ra0.8.
Embodiment 7
A kind of dustless rock wool cutter processing method of bonding gold of the present embodiment, similar to Example 6, difference exists
In in second step, carrying out semi-finished part to cutter hub 1 includes axis hole 12 and connecting hole 13, and axis hole 12 is located at cutter hub 1
The center point, connecting hole 13 are evenly distributed on the outside of axis hole 12, the distribution circle and axis hole 12 that the center of circle of all connecting holes 13 is constituted
With one heart.After welding in view of blade 2, the machining of 1 part of cutter hub can be more many and diverse, so before welding blade 2, first
Process the axis hole 12 and connecting hole 13 of 1 part of cutter hub.
In 5th step, the method for processing silencing groove 11 is wire cutting.First processing linear section 111, then along straightway 111
Continue to process spiral section 112, finally processes centre bore 113 in end.Wire cutting directly carries out pulsed discharge using electric energy and adds
Work, tool-electrode and workpiece are not directly contacted with, macroscopical cutting force in no machining, can process various fine hole slots,
Narrow slit, arbitrary curve are suitble to the silencing groove of processing cutter hub 1 and 2 part of blade.It can be quickly in cutter hub using wire cutting method
1 and blade 2 on process the silencing groove 11 of setting, shorten the process-cycle.
Embodiment 8
A kind of dustless rock wool cutter processing method of bonding gold of the present embodiment, similar to Example 7, difference exists
In in the 4th step, the welding method of blade 2 is soldering.In 6th step, when being ground to blade 2, first to the weld seam of blade 2
Place is ground, and weld seam and the surface of blade 2 and cutter hub 1 are flushed, and is then ground the changeover portion 21 of blade 2, is made cutter hub 1 and knife
22 transitions smooth of apical segment is finally ground the point of a knife section 22 of blade 2, so that the extension line of point of a knife section 22 is formed by angle a and reach 3 °
~60 °.
In the present embodiment, makees solder using than cutter hub 1 and the low-melting copper wire of blade 2, cutter hub 1 and blade 2 are heated to
Higher than the fusing point of copper wire, but it is lower than the temperature of 2 fusing point of cutter hub 1 and blade, soaks cutter hub 1 and blade 2 using liquid copper, and fill
Play movement, liquid copper realize connection weldment with cutter hub 1 and 2 phase counterdiffusion of blade.When soldering, cutter hub 1 and blade 2 are heated
Even, the residual stress of cutter hub 1 and 2 relative deformation of blade and soldered fitting is smaller, it is ensured that the essence of cutter hub 1 and blade 2
Close size.
In the present embodiment, by grinding, makes the smooth welded seam of the junction of cutter hub 1 and blade 2, improve cutter
Surface roughness；It is ground changeover portion 21, makes have constant slope between changeover portion 21 and cutter hub 1, between point of a knife section 22 and cutter hub 1
Transitions smooth guarantees the structural strength of blade 2；Finally by the extension line of point of a knife section 22 be formed by angle a be ground to 3 °~
60 °, keep the blade 2 of cutter sharp, to reach service performance requirement.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (9)
1. a kind of dustless rock wool cutter of bonding gold, including cutter hub (1) and blade (2), it is characterised in that: cutter hub (1) is circle,
Blade (2) is arc-shaped, and blade (2) is connected to cutter hub (1) lateral surface in turn；The blade (2) include changeover portion (21) and
Point of a knife section (22), changeover portion (21) are connect with the lateral surface of cutter hub (1), are ground changeover portion (21), are made changeover portion (21) and cutter hub
(1) there are constant slope, the transitions smooth between point of a knife section (22) and cutter hub (1) between, the extension line of point of a knife section (22) is formed
Angle grinding be 3 °~60 °, when being ground to blade (2), first the commissure of blade (2) is ground, make weld seam with
The surface of blade (2) and cutter hub (1) flushes, and is then ground the changeover portion (21) of blade (2), makes cutter hub (1) and point of a knife section (22)
Transitions smooth, finally be ground blade (2) point of a knife section (22), make the extension line of point of a knife section (22) be formed by angle reach 3 °~
60°。
2. a kind of dustless rock wool cutter of bonding gold according to claim 1, it is characterised in that: further include silencing groove
(11), silencing groove (11) is evenly distributed on cutter hub (1) and blade (2), and silencing groove (11) runs through cutter hub (1) and blade (2).
3. a kind of dustless rock wool cutter of bonding gold according to claim 2, it is characterised in that: the cutter hub (1) is also
Including axis hole (12) and connecting hole (13), axis hole (12) is located at the center point of cutter hub (1), and connecting hole (13) is evenly distributed on axis hole
(12) outside, the distribution circle that the center of circle of all connecting holes (13) is constituted are concentric with axis hole (12).
4. a kind of dustless rock wool cutter of bonding gold according to claim 1-3, it is characterised in that: cutter hub (1)
Material be steel alloy, the material of blade (2) is hard alloy.
5. a kind of dustless rock wool cutter processing method of bonding gold, comprising the following steps:
A kind of first step, the dustless rock wool cutter of bonding gold according to claim 1, casts cutter hub (1) with steel alloy
Blank, blank are discoid；
Second step carries out mechanical semifinishing to the blank of cutter hub (1)；
Third step casts blade (2) blank using hard alloy；
4th step, processes silencing groove (11) on cutter hub (1) and blade (2), and the silencing groove (11) of processing is evenly distributed on cutter hub
(1) and on blade (2)；
Blade (2) blank is successively welded on the lateral surface of cutter hub (1) by the 5th step, and two pieces of adjacent blades (2) are welded
Together；
6th step carries out grinding to the blade (2) being welded on cutter hub (1) lateral surface, completes the production of blade.
6. a kind of dustless rock wool cutter processing method of bonding gold according to claim 5, it is characterised in that: second step
In, carrying out semi-finished part to cutter hub (1) includes axis hole (12) and connecting hole (13), and axis hole (12) is located at cutter hub (1)
The center point, connecting hole (13) are evenly distributed on the outside of axis hole (12), the distribution circle that the center of circle of all connecting holes (13) is constituted with
Axis hole (12) is concentric.
7. a kind of dustless rock wool cutter processing method of bonding gold according to claim 6, it is characterised in that: the 4th step
In, the welding method of blade (2) is soldering.
8. a kind of dustless rock wool cutter processing method of bonding gold according to claim 7, it is characterised in that: the 5th step
In, the method for processing silencing groove (11) is wire cutting.
9. a kind of dustless rock wool cutter processing method of bonding gold according to claim 8, it is characterised in that: the 6th step
In, when being ground to blade (2), first the commissure of blade (2) is ground, makes weld seam and blade (2) and cutter hub (1)
Surface flushes, and is then ground the changeover portion (21) of blade (2), makes cutter hub (1) and point of a knife section (22) transitions smooth, last grinding cutter
The point of a knife section (22) of sword (2) makes the extension line of point of a knife section (22) be formed by angle and reaches 3 °~60 °.
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102018118959B3 (en) * | 2018-08-03 | 2019-11-21 | Albert Knebel Holding Gmbh | cutting wheel |
| CN109262719B (en) * | 2018-11-16 | 2021-03-05 | 徐州工程学院 | Partitioned hot cutting knife |
| CN109531638B (en) * | 2018-12-12 | 2024-03-26 | 强浩机械科技(青岛)有限公司 | Dust-free cutter for cutting rock wool |
| CN110576222B (en) * | 2019-08-28 | 2023-07-04 | 马鞍山市松林刮刀锯有限公司 | Alloy-inlaid dust-free cutter and manufacturing process thereof |
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