CN103538153B - Unit head - Google Patents
Unit head Download PDFInfo
- Publication number
- CN103538153B CN103538153B CN201310288804.1A CN201310288804A CN103538153B CN 103538153 B CN103538153 B CN 103538153B CN 201310288804 A CN201310288804 A CN 201310288804A CN 103538153 B CN103538153 B CN 103538153B
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- CN
- China
- Prior art keywords
- unit head
- cutting element
- drill bushing
- head according
- placement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000005520 cutting process Methods 0.000 claims abstract description 187
- 239000000463 material Substances 0.000 claims abstract description 42
- 238000005553 drilling Methods 0.000 claims abstract description 18
- 229910000679 solder Inorganic materials 0.000 claims abstract description 17
- 230000002787 reinforcement Effects 0.000 claims abstract description 3
- 239000011435 rock Substances 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 23
- 238000003466 welding Methods 0.000 claims description 22
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 8
- 229910000510 noble metal Inorganic materials 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 29
- 238000012986 modification Methods 0.000 description 10
- 230000004048 modification Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229910000923 precious metal alloy Inorganic materials 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
- B28D1/041—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs with cylinder saws, e.g. trepanning; saw cylinders, e.g. having their cutting rim equipped with abrasive particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/04—Drills for trepanning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2226/00—Materials of tools or workpieces not comprising a metal
- B23B2226/75—Stone, rock or concrete
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to a kind of unit head（1）, especially one be used for rotary impact mode drilling armored concrete or other reinforcement materials or the hammer unit head of rock material or a rotary power head or a hole saw, it includes a clamping handle（2）, one there is drill bushing bottom（4）Drill bushing（3）With at least one cutting element, wherein, the cutting element is arranged on the drill bushing（3）Go up and protrude past the drill bushing（3）.Here, a cutting element（5）Cutting element in other words（5）In at least one be configured to lay cutting element（5）, the cutting element（5）By at least two solder joints（P）Combine, the cutting element（5）Material is soldered to the drill bushing in locking manner（3）A surface a surface segment on.
Description
Technical field
It is used for the present invention relates to a kind of unit head, especially one with rotary impact mode drilling armored concrete or other
Reinforcement material or the hammer unit head of rock material or a rotary power head or a hole saw.It is used for the invention further relates to one kind
The method for manufacturing unit head.
Background technology
A kind of unit head as known to the A1 of DE 197 40 277, it include a clamping handle, a drill bushing and at least one
Cutting element, wherein, cutting element is arranged on drill bushing and cutting element protrudes past drill bushing.
The content of the invention
The task of the present invention is to provide a kind of unit head, and it can simply and especially personalizedly make in process technology
Make and wherein a small amount of hard material just forms cutting element enough.
The task is solved by the present invention.The favourable and suitable extension structure of the present invention is provided in the following description
Type.
In the unit head according to the present invention, at least one of a cutting element in other words in cutting element is constructed
For the cutting element of placement, wherein, cutting element is combined by least two solder joints, wherein, cutting element material is in locking manner
It is welded in a surface segment on a surface of drill bushing.Opened up thus without on the surface of unit head for cutting element
One for example keeps cutting element with carrying out shape sealed in the recess of otch or the form that drills.But can avoid for shearing
The surface of cutting element and drill bushing is connected in the case of shape sealed needed for power transmission.Therefore, core of the invention is to cut
The connection on the surface of element and drill bushing is cut, wherein, it is not necessary to the metal cutting process before unit head is come for cutting element
There is provided and receive possibility and the cutting element that is connected with drill bushing is preferably using its whole volume as acting on material to be processed
On cutting element and not most of be moved into drill bushing.In addition by according to the present invention placement cutting element by
The composition of single solder joint, it is not necessary to the former for manufacturing cutting element, so that single cutting element is in no process technology
Designed in the case of more consumings personalizable.
According to present invention provide that, the cutting element of placement protrudes past the drill bushing in the direction of feed of the unit head
And/or radially inwardly protrude past the circle that an internal valve by the drill bushing is limited on the longitudinal axis of the unit head
Week and/or radially outwardly protrude past a circumference limited by shell surface on the longitudinal axis of the unit head.Thus
Can be just as made unit head adapt to all requirements and for example constitute in this wise using embedded cutting element
The cutting element of placement, so that it protrudes past end face and projects radially outwardly shell more than drill bushing in feed direction
Face.
According to present invention provide that, the cutting element of placement only (is protruded past described in the direction of feed of the unit head on x
Drill bushing.The planform is especially provided for drill bushing, and the state is used only for especially up to 7cm small drilling depth.
The present invention also provides, the surface segment on the surface of the drill bushing be in particular designed as flat surface segment or
It is in particular designed as the surface segment of concave curved shape or is in particular designed as the surface segment of evagination shape or is in particular designed as
Diametrically outwards against direction of feed decline inclined surface segment or be in particular designed as diametrically inwardly against
The inclined surface segment that direction of feed declines, welds the cutting element of the placement in the surface segment.By single solder joint
Landforms constitute, cutting element and its surface segment applied that lay are independently sealed by its material with drill bushing
Connect and a toothed drill bushing is formed with the connection carried with drill bushing and together with drill bushing.Thus without
It is：The surface segment for being provided for occupying by cutting element on drill bushing surface is specially constructed or pre-processed.
The present invention also provides that the cutting element of the placement has more than or equal to HRC60 and especially in HRC60 extremely
Hardness in HRC80 scope, wherein, the cutting element of the placement is especially more than 50% and preferably greater than 90% by gold
Category, especially noble metal are made or are especially made up of metal and hard material.The cutting element of such placement is in Qi Te
Property aspect and in terms of its material cost relative to traditional cutting element for being configured to embedded hard alloy cutting body
It is competitive.
According to present invention provide that, the cutting element of the placement is made up of multiple n layers in other words, wherein, at least n-1
Individual layer includes multiple solder joints respectively, wherein, the orlop that the quantity of every layer of solder joint is contacted from the surface with drill bushing is towards most upper
Layer is especially to maintain constant or especially in turn reduces or reduce and at least especially at least one section
Keep constant in one other section.Cutting body is allowed in shape personalized to adapt to requirement at it by such structure
And be for example extruded and it is solid ground or slenderly implement.
According to present invention provide that, the cutting element of the unit head has different cutting element shapes and especially many
Individual different odontoid is especially with a repetition period successive.It is complete to each cutting element thus, it is possible to be accomplished that
Special task is arranged entirely, wherein, different cutting elements are not only shaped differently according to the present invention, and are dashed forward to some extent
Go out exceed drill bushing surface and therefore in a different manner with material to be processed.
According to present invention provide that, the unit head includes spiral, and the spiral is arranged on the shell surface of the drill bushing
Above and especially repeatedly around the drill bushing.Thus be conducive to exporting drilling from drilling.
The present invention also provides that at least one in the cutting element is as embedded cutting element, especially as embedding
The hard alloy cutting element entered is constituted, and it is fixed in otch of the construction in the unit head.By with mixing
This unit head that installs additional of cutting element can also assign their such characteristics, these characteristics only can be by embedded cutting
Element is obtained, as it is for example obtained in the extreme requirement to the hardness of cutting element.
The present invention it further provides that the surface segment on the surface of the drill bushing is configured to recess, especially otch or drilling,
The cutting element of the placement is welded in the surface segment, wherein, the cutting element of the placement especially protrudes past institute
State recess.Thus the cutting element laid can be for example arranged to drill bushing, the drill bushing is configured to for embedded cutting in itself
Element is embedded in.
The present invention also provides that the unit head includes a plate armour being connected at least one described cutting element, its
In, it is described armoring including at least one layer, wherein, the layer is made up of multiple solder joints being arranged side by side, wherein, the thickness of a layer
Degree is about 0.5mm to 1.5mm and described armoring especially including two layers and preferably three layers, wherein, the armoring tool
Have the hardness especially in HRC60 to HRC80 scope, wherein, the plate armour be especially made up of steel alloy or
Especially it is made up or is especially made up of steel alloy and hard material of precious metal alloys.Pass through such plate armour --- it from
One cutting element sets out to form a protection coating --- a kind of longevity of the unit head especially in material during drilling can be made
Life is longer, forms the drilling cuttings with extra high corrasion in drilling within this material.Herein present invention provide that, drill bushing
Side and/or the region being connected with side of shell surface are provided with such armoring.
Provided in the method for being used to manufacture unit head according to the present invention, in order to form the cutting element of placement, by one
Individual welding wire by the welding process of successive constitute about at least two be stacked, respectively there are multiple solder joints being arranged side by side to be made
Layer, wherein, nethermost first layer is welded in a surface segment of the unit head and will be each ensuing, more
High layer is welded on corresponding previous layer.Such method can realize the personalized designs of cutting element, and be this not
Need former and need not distinguishingly design the surface segment of drill bushing herein.The core of the present invention is that manufacture one has placement
The unit head of cutting element, it is built in the surface segment on the surface of drill bushing with the sealed connection of material step by step.
The present invention it further provides that, with least one described cutting element adjacently in other words with least one in cutting element
Adjacently apply a plate armour, the plate armour is made up of at least one layer, and the layer is passed through by multiple solder joints being arranged side by side
The welding process of successive is made up of a welding wire.Thus, it is possible in the circumference of area is arbitrarily met and several with surface
What shape independently sets up a protective layer, and the protective layer is directly connected on cutting element and is transitioned into other words in cutting element
Protruded in other words from cutting element.
According to the present invention, the welding process is performed in the case of using cold metal transfer method to form cutting for placement
Cut element and/or form armoring, wherein, the welding wire especially control steel alloy or especially include precious metal alloys or outstanding
It is made up of steel alloy and hard material, wherein, the cutting element formed after the welding process by welding wire is in other words by welding
The plate armour that silk is formed after the welding process has at least 60HRC hardness.Thus, it is possible to manufacture have personalized teeth portion and/
Or armoring unit head.
It is last present invention provide that, the unit head is hard at least one heat before cutting element and/or plate armour in welding
Hardened during change.Ability to work thus, it is possible to further improve unit head, without influenceing cutting element by processing method
With armoring quality.
In the sense of the present invention, the surface of drill bushing is not only interpreted as the drill bushing pointed in feed direction a side,
And it is interpreted as a shell surface of drill bushing and an internal valve of drill bushing.
Brief description of the drawings
The other details of the present invention is in the accompanying drawings according to the embodiment explanation schematically illustrated.
Shown for this：
Fig. 1 a：The diagrammatic side view of the first unit head according to the present invention with cutting element and spiral；
Fig. 1 b-1d：Other views of shown unit head in fig 1 a；
Fig. 2 a, 2b：The signal details of the cutting element of the placement of first unit head；
Fig. 2 c：The schematic diagram of second unit head；
Fig. 2 d, 2e：The schematic diagram of one part of the 3rd unit head；
Fig. 2 f：The schematic diagram of one part of the 4th unit head；
Fig. 3 a：According to the present invention with the cutting element being placed on side and shell surface and embedded cutting element
The diagrammatic side view of 5th unit head；
Fig. 3 b, 3c：Other views of shown unit head in fig. 3 a；
Fig. 4 a：The signal of the 6th unit head according to the present invention with the cutting element being placed on side and shell surface
Side view；
Fig. 4 b, 4c：Other views of shown unit head in fig .4；
Fig. 5 a：With the cutting element being placed on side with the cutting element and spiral being embedded according to the present invention's
The diagrammatic side view of 7th unit head；
Fig. 5 b, 5c：Other views of shown unit head in fig 5 a；
Fig. 6 a：With the cutting element being placed on side and shell surface with embedded cutting element according to the present invention's
The diagrammatic side view of 8th unit head；
Fig. 6 b：Other views of unit head shown in Fig. 6 a；
Fig. 7：The 9th power according to the present invention with the cutting element being placed on side and embedded cutting element
The diagrammatic side view of head；
Fig. 8：The tenth unit head according to the present invention with the cutting element being placed on side and no spiral
Diagrammatic side view.
Embodiment
The first unit head 1 hollow unit head in other words according to the present invention is illustrated with the side view of signal in fig 1 a.It is dynamic
Power first 1 includes the cutting element 5 of a clamping handle 2, a drill bushing 3 with drill bushing bottom 4 and placement.Clamping handle 2 and cup
The drill bushing bottom 4 of the drill bushing 3 of shape is connected.Cutting element 5 is arranged on the side 6 of the annular of drill bushing 3.Unit head 1 is also optional
Ground includes a pilot bit 7, and it is arranged on the extended line of clamping handle 2 and and drill bushing in the longitudinal axis L 1 of unit head 1
Bottom 4 is connected.In rotating operation, unit head 1 surrounds its longitudinal axis L 1 by a unshowned machine and turned on the w of direction of rotation
Move and be also forced into herein on direction of arrow x on a material M to be processed.In rotary impact operation, not only carry out
Rotation on the w of direction of rotation and the feeding on direction of arrow x, and feeding on direction of arrow x is additionally to impact
Pulse mode is carried out mode in other words, so that cutting element 5 is smashed to pieces in other words with cutting cutting way in other words and being cut with chisel
Mode is acted on material M to be processed.A spiral 9 is also set up on the shell surface 8 of drill bushing 3, its operation in unit head 1
It is middle that by unshowned drilling cuttings, x ' is transported out from a drilling 10 in the direction of the arrow.Drill bushing 3 includes drill bushing bottom 4 and a drill bushing
Shell 11, wherein, drill bushing shell 11 has side 6, shell surface 8 and an internal valve 12 for annular (referring also to Fig. 1 c).Annular
Side 6, shell surface 8 and internal valve 12 formation drill bushing 3 surface A, wherein, the cutting element 5 of placement is soldered to the surface A
Surface segment A5 on (referring also to Fig. 1 b).
In Figure 1b, drill bushing 3 is enlargedly shown in the region of its side 6, wherein, eliminate what is shown in fig 1 a
The view of pilot bit.Again it can be seen that single cutting element 5 in side 6.
It can be seen in the figure by the shown vertical view to the side 6 of drill bushing 3 in other words of unit head 1 in figure 1 c, on side 6
Provided with 12 cutting elements 5 altogether, wherein, they are divided into six group 13a-13f respectively with two cutting elements 5.Here,
Each group 13a-13f has a cutting element 5, and its another cutting element 5 diametrically than same group is closer to the longitudinal axis
Line L1.With to that short-range cutting element 5 of longitudinal axis L 1 towards longitudinal axis L 1 protrude past internal valve 12 and by
This is extend into the interior room 22 of drill bushing 3.Inwardly projecting cutting element 5 is responsible in drilling：Unit head 1 is being bored relative to one
Cut the drill core K (referring to Fig. 1) of middle formation have it is small rub and especially avoid drill bushing 3 internal valve 12 and drill core K it
Between planar friction.The cutting element 5 that clamping handle 2 and drill bushing 3 are constituted and laid by the first material W1 with its drill bushing bottom 4 by
Second material W2 is constituted, wherein, the second material W2 is harder than the first material W1.
One in the cutting element 5 shown in Fig. 1 b is shown enlarged in Fig. 1 d.In the amplification of the cutting element 5
Depending on can be seen in the figure, it is made up of seven layer S1-S7, wherein, the orlop drill bushing 3 of first layer S1 and unit head 1 in other words
Side 6 is connected.Each layer of S1-S7 is set as the concentric circle K1-K7 of the longitudinal axis L 5 relative to cutting element 5, and they are at it
Diametrically the tip 14 towards cutting element 5 successively reduces.
Illustrate the basic structure of the cutting element 5 of placement again according to two schematic diagrames in Fig. 2 a and 2b.They are with side
View and illustrate cutting element 5 according to cutting line IIb-IIb section view.The cutting element 5 of unit head 1 is by eight layer S1-S8
Constitute, a cutting element 5 rotationally symmetrical relative to longitudinal axis L 5 is formed by them.Cutting element 5 according to cutting line
IIb-IIb section opens S7 sight.It is made up of, these solder joints many solder joint P --- as shown in figure 2b ---
Mutually reclined in the case of no intermediate space in the actual embodiment of cutting element 5 and formed one it is non-porous
Layer, supports next layer of S8 same and non-porously on the layer.Orlop S1 is also bored with one non-porously in actual embodiment
The side 6 of set 3 is connected.
The cutting of another placement is illustrated with the side view of the signal of the drill bushing 103 to the second unit head 101 in figure 2 c
Element 105.The cutting element 105 is differently arranged on surface A with cutting element shown before as the cutting element of placement
A surface segment A105 on, wherein, surface segment A105 is constructed in drill bushing 103 as recess 115 in the form of otch 116
In.The cutting element 105 of placement includes five layer S101-S105, wherein, layer S101 and S102 filling otch 116 and layer
S103 to S105 protrudes past the side 106 of drill bushing 103 on direction of feed x.Pass through this of the cutting element 105 of a placement
The embodiment of sample can be accomplished that unit head also arranges the cutting element of placement, themselves be arranged for using embedding
The cutting element that the cutting element entered is laid in other words not only material in locking manner and also shape sealed be connected with drill bushing.
A part for 3rd unit head 201 is shown with three-dimensional view in figure 2d.The cutting of two placements shown partially
Element 205, they are arranged on a side 206 of a drill bushing 203.Here, two cutting elements 205 are set as vernier
Put in a prominent, circular projection 217 on direction of feed x of side 206.Lead in the cutting element 205 of placement
The material for filling otch need not be often used for, thus identical quantity of material can be used compared with traditional, insertion cutting element
The cutting element elongated on circumferencial direction is formed in, it has one in the case of the similar plussage 218 more than side 206
The individual big guiding length 219 measured in a circumferential direction and quiet, low vibration the fortune for being thus conducive to unit head 201
OK.
A part for one implementation modification of the 3rd unit head 201 is shown in Fig. 2 e with three-dimensional view.The part shows again
Go out the cutting element 205 of two placements, they are arranged on the side 206 of drill bushing 203.Here, two cutting elements 205 are as swum
Mark is equally arranged in a prominent, circular projection 217 on direction of feed x of side 206.With it is shown in figure 2d
First embodiment is different, and the cutting element 205a on the right plussage 218a is more than the cutting element 205b on left side plussage
218b.This change of plussage simply and is especially processed in the cutting element 205 of placement in drill bushing 203 without deviation
Carried out in the following manner in the case of manufacturing in other words, that is, weld other layer.
The part schematically illustrated to the 4th unit head 301 shown in expansion is shown in figure 2f.The one of unit head 301
Individual drill bushing 303 has a projection 326 pointed on direction of feed x.By two be welded on projection 326 on layer S301 and
S302 formation one has the cutting element 305 of the placement of cutting face (above) 327 and the scope of freedom (below) 328.
Illustrate the 5th implementation modification of unit head 401 with side view into 3c in Fig. 3 a.For the basic knot of unit head 401
Structure is with reference to the description to Fig. 1 a to 1c.It is different to the first unit head shown in 1c from Fig. 1 a, in Fig. 3 a to shown in 3c
Unit head 401 not only has the cutting element 405 laid on the side 406 of an annular, and in its drill bushing 403
Shell surface 408 on there are many other cutting elements 420, they are in particular for unit head 401 in deep drilling
Even running.The cutting member of insertion is also set on side 406 between the cutting element 405 of placement in otch 425 in addition
Part 421, they are main with cutting mode and guidance mode effect in the unit head 401 for be configured to dynamic impact problem head, on the contrary, end
Side, the cutting element 405 laid is main in impact mode and smashs mode to pieces and act on material to be processed.
Illustrate the 6th implementation modification of a unit head 501 with side view into 4c in Fig. 4 a.For the base of unit head 501
This structure is with reference to the description to Fig. 1 a to 1c.It is different to the first unit head shown in 1c from Fig. 1 a, in Fig. 4 a into 4c institute
The unit head 501 shown not only has the cutting element 505 laid on the side 506 of an annular, and in its brill
There are many other cutting elements 520, they are in particular for unit head 501 in deep drilling on the shell surface 508 of set 503
In even running.
Illustrate the 7th implementation modification of a unit head 601 with side view into 5c in Fig. 5 a.For the base of unit head 601
This structure is with reference to the description to Fig. 1 a to 1c.It is different to the first unit head shown in 1c from Fig. 1 a, at one of drill bushing 603
Embedded cutting element 621 is also provided with side 606 between the cutting element 605 of placement, they are being configured to dynamic impact problem
It is main in the unit head 601 of head to be acted on cutting mode and guidance mode.It is same the unit head as shown in Fig. 1 a to 1c that
Sample a, shell surface 608 is made up of spiral 609.
Illustrate a unit head 701 in Fig. 6 a and 6b with side view the 8th implements modification.For the base of unit head 701
This structure is with reference to the description to Fig. 1 a to 1c.It is different to the first unit head shown in 1c from Fig. 1 a, the institute in Fig. 6 a and 6b
The unit head 701 shown not only has the cutting element 705 laid on the side 706 of an annular, and in its brill
There is the cutting element 720 of many other placements, they are in particular for unit head 701 in depth on the shell surface 708 of set 703
Drilling in even running and for conveying unshowned drilling cuttings on the x ' of direction against direction of feed x, be consequently formed cunning
Dynamic element and director element.Embedded cutting element 721 is also provided between the cutting element 705 of placement also on side 706,
They are mainly acted in the unit head 701 for be configured to dynamic impact problem head with cutting mode and guidance mode, on the contrary, side,
The cutting element 705 of placement is main in impact mode and to be smashed mode to pieces and acts on material to be processed.Nethermost surround is bored
The mark for piercing depth that the cutting element 720 --- it closest to clamping handle 702 --- of set 3 is set as maximum.
Illustrate a unit head 801 in the figure 7 with side view the 9th implements modification.For the basic knot of unit head 801
Structure is with reference to the description to Fig. 1 a to 1c.It is different to the first unit head shown in 1c from Fig. 1 a, shown unit head in the figure 7
801 also have embedded cutting element 821 on a side 806 between the cutting element 805 of placement, and they are being configured to
It is main in the unit head 801 of dynamic impact problem head to be acted on cutting mode and guidance mode, on the contrary, side, placement cutting member
Part 805 is main in impact mode and to be smashed mode to pieces and acts on material to be processed.One shell surface 808 of drill bushing 803 is glossily
Constitute, inexpensively to manufacture unit head 801.
Illustrate a unit head 901 in fig. 8 with side view the tenth implements modification.For the basic knot of unit head 901
Structure is with reference to the description to Fig. 1 a to 1c.In Fig. 1 a to the first unit head as shown in 1c, shown unit head in fig. 8
901 only have the cutting element 905 laid on a side 906.With in Fig. 1 to the unit head shown in 1c, drill bushing 903
A shell surface 908 glossily and without spirally constituting, inexpensively to manufacture unit head 901.The entire surface of side 906 is set
There is plate armour 923, the layer S901 that plate armour is welded by pointwise is constituted.Here, implementing modification regulation according to first, first by plate armour application
Next cutting element 905 is installed on to side 906 and in plate armour 923.Implement modification regulation according to second, install first
Cutting element 905, then constitutes plate armour 923 around existing cutting element 905.Another implements modification regulation, and plate armour 923 is not
It is placed only on side 906, and an annular region 924 adjacent with side 906 of the shell surface 908 of drill bushing 903 is filled
At least one layer of first and unit head 901 is thus also set to become especially wear-resisting in the region 924.
Claims (31)
1. unit head (1；101；201；301；401；501；601；701；801；901), including：
One clamping handle (2；102；202；302；402；502；602；702；802；902), one has drill bushing bottom (4；104；
204；304；404；504；604；704；804；904) drill bushing (3；103；203；303；403；503；603；703；803；903)
With at least one cutting element,
Wherein, the cutting element is arranged on the drill bushing (3；103；203；303；403；503；603；703；803；903) on
And protrude past the drill bushing (3；103；203；303；403；503；603；703；803；903),
Characterized in that, a cutting element (5；105；205；305；405；505；605；705；805；905；420；520；
720) cutting element (5 in other words；105；205；305；405；505；605；705；805；905；420；520；720) at least
One be configured to lay cutting element (5；105；205；305；405；505；605；705；805；905；420；520；
720),
Wherein, the cutting element (5；105；205；305；405；505；605；705；805；905；420；520；720) by extremely
Few two solder joints (P) combine,
Wherein, the cutting element (5；105；205；305；405；505；605；705；805；905；420；520；720) material
The drill bushing (3 is soldered in locking manner；103；203；303；403；503；603；703；803；903) a surface (A)
One surface segment (A5；A105 on).
2. unit head according to claim 1, it is characterised in that the cutting element (5 of the placement；105；205；305；
405；505；605；705；805；905；420；520；720) in the unit head (1；101；201；301；401；501；601；
701；801；901) drill bushing (3 is protruded past in direction of feed (x)；103；203；303；403；503；603；703；
803；903) and/or on the unit head (1；101；201；301；401；501；601；701；801；901) longitudinal axis
(L1) one is radially inwardly protruded past by the drill bushing (3；103；203；303；403；503；603；703；803；903)
Internal valve (12) limit circumference and/or on the unit head (1；101；201；301；401；501；601；701；801；
901) longitudinal axis (L1) radially outwardly protrudes past one by shell surface (8；408；508；608；708；808；908) limit
Fixed circumference.
3. unit head according to claim 1, it is characterised in that the cutting element (5 of the placement；105；205；305；
405；505；605；705；805；905；420；520；720) only in the unit head (1；101；201；301；401；501；601；
701；801；901) drill bushing (3 is protruded past in direction of feed (x)；103；203；303；403；503；603；703；
803；903).
4. unit head according to claim 1, it is characterised in that the drill bushing (3；103；203；303；403；503；
603；703；803；903) a surface segment (A5 on surface (A)；A105) it is configured to flat surface segment or is configured to
The surface segment of spill is configured to the surface segment of convex or is configured to diametrically outwards against direction of feed decline
Inclined surface segment or be configured to diametrically inwardly against direction of feed decline inclined surface segment, in the table
The cutting element (5 of the placement is welded on the section of face；105；205；305；405；505；605；705；805；905；420；520；
720)。
5. unit head according to any one of claim 1 to 4, it is characterised in that the cutting element (5 of the placement；
105；205；305；405；505；605；705；805；905；420；520；720) there is the hardness more than or equal to HRC60, wherein,
The cutting element (5 of the placement；105；205；305；405；505；605；705；805；905；420；520；720) more than 50%
It is made of metal or is made up of metal and hard material.
6. unit head according to any one of claim 1 to 4, it is characterised in that the cutting element (5 of the placement；
105；205；305；405；505；605；705；805；905；420；520；720) multiple n layer (S1-S8 in other words are passed through；
S101-S105；S301, S302) constitute, wherein, at least n-1 layer (S1-S8；S101-S105；S301, S302) include respectively
Multiple solder joints (P), wherein, every layer of (S1-S8；S101-S105；S301, S302) solder joint (P) quantity from the surface with drill bushing
Orlop (the S1 of contact；S101；S301) towards the superiors (S8；S105；S302) keep it is constant or in turn reduce or
Reduce at least one section and keep constant at least one other section.
7. unit head according to any one of claim 1 to 4, it is characterised in that the unit head (1；101；201；
301；401；501；601；701；801；901) cutting element (5；105；205；305；405；505；605；705；805；905；
420；520；720) there is different cutting element shapes.
8. unit head according to any one of claim 1 to 4, it is characterised in that the unit head (1；101；201；
301；401；501；601；701；801；901) spiral (9 is included；609), the spiral is arranged on the drill bushing (3；103；
203；303；403；503；603；703；803；903) shell surface (8；408；508；608；708；808；908) on.
9. unit head according to any one of claim 1 to 4, it is characterised in that at least one in the cutting element
It is individual to be used as embedded cutting element (421；621；721；821) constitute, it is fixed on a construction in the unit head (1；101；
201；301；401；501；601；701；801；901) in the otch (425) in.
10. unit head according to any one of claim 1 to 4, it is characterised in that the drill bushing (3；103；203；
303；403；503；603；703；803；903) surface segment on surface (A) is configured to recess (115), in the surface district
The cutting element (5 of the placement is welded in section；105；205；305；405；505；605；705；805；905；420；520；
720)。
11. unit head according to any one of claim 1 to 4, it is characterised in that the unit head (1；101；201；
301；401；501；601；701；801；901) plate armour (923) being connected at least one described cutting element is included,
Wherein, described armoring (923) include at least one layer, wherein, the layer is made up of multiple solder joints being arranged side by side, wherein, one
The thickness of individual layer is about 0.5mm to 1.5mm.
12. unit head according to claim 1, it is characterised in that the unit head (1；101；201；301；401；501；
601；701；801；901) being one is used for rotary impact mode drilling armored concrete or other reinforcement materials or rock material
The hammer unit head of material or a rotary power head or a hole saw.
13. unit head according to claim 5, it is characterised in that the cutting element (5 of the placement；105；205；305；
405；505；605；705；805；905；420；520；720) there is the hardness in HRC60 to HRC80 scope.
14. unit head according to claim 5, it is characterised in that the cutting element (5 of the placement；105；205；305；
405；505；605；705；805；905；420；520；720) it is made of metal or by metal and hard material system more than 90%
Into.
15. unit head according to claim 5, it is characterised in that the metal is noble metal.
16. unit head according to claim 14, it is characterised in that the metal is noble metal.
17. unit head according to claim 7, it is characterised in that before multiple different odontoids are with a repetition period
It is successive afterwards.
18. unit head according to claim 8, it is characterised in that the spiral is repeatedly around the drill bushing (3；103；
203；303；403；503；603；703；803；903).
19. unit head according to claim 9, it is characterised in that it is described at least one be used as embedded cutting element
(421；621；721；821) it is as embedded hard alloy cutting element.
20. unit head according to claim 10, it is characterised in that the recess (115) is otch (116) or drilling.
21. unit head according to claim 10, it is characterised in that the cutting element (5 of the placement；105；205；
305；405；505；605；705；805；905；420；520；720) recess (115) is protruded past.
22. unit head according to claim 11, it is characterised in that described armoring including two layers.
23. unit head according to claim 11, it is characterised in that described armoring including three layers.
24. unit head according to claim 11, it is characterised in that it is described it is armoring have one in HRC60 to HRC80's
Hardness in scope.
25. unit head according to claim 11, it is characterised in that the plate armour is made up of steel alloy or by noble metal
Alloy is made or is made up of steel alloy and hard material.
26. for manufacturing unit head (1；101；201；301；401；501；601；701；801；901) method, wherein, it is described
Unit head (1；101；201；301；401；501；601；701；801；901) clamping handle (2 is included；102；202；302；
402；502；602；702；802；902), one has the drill bushing bottom (4 being made up of the first material (W1)；104；204；304；
404；504；604；704；804；904) drill bushing (3；103；203；303；403；503；603；703；803；903) with least one
The individual cutting element being made up of the second material (W2), wherein, than the first material (W1) firmly, its feature exists second material (W2)
In in order to form the cutting element (5 of placement；105；205；305；405；505；605；705；805；905；420；520；720),
It is stacked, each by multiple solder joints being arranged side by side that by the welding process of successive about at least two are constituted by a welding wire
(P) layer (S1-S8 being made；S101-S105；S301, S302), wherein, nethermost first layer (S1；S101；S301) weld
In the unit head (1；101；201；301；401；501；601；701；801；901) a surface segment (A5；A105 on)
And by each ensuing, higher layer (S2-S8；S102-S105；S302) it is welded on corresponding previous layer.
27. method according to claim 26, it is characterised in that with least one described cutting element adjacently in other words
With cutting element (5；105；205；305；405；505；605；705；805；905；420；520；720) at least one adjoining in
Ground applies a plate armour (923), and the plate armour is made up of at least one layer, and the layer passes through successive by a welding wire
Welding process is made up of multiple solder joints being arranged side by side.
28. the method according to claim 26 or 27, it is characterised in that held in the case where using cold metal transfer method
The welding process is gone to form the cutting element (5 of placement；105；205；305；405；505；605；705；805；905；420；
520；720) and/or formed armoring (923), wherein, the cutting element (5 formed after the welding process by welding wire；105；205；
305；405；505；605；705；805；905；420；520；720) plate armour formed after the welding process by welding wire in other words
(923) there is at least 60HRC hardness.
29. method according to claim 27, it is characterised in that the unit head (1；101；201；301；401；501；
601；701；801；901) cutting element (5 in welding；105；205；305；405；505；605；705；805；905；420；
520；720) and/or before armoring (923) hardened during at least one thermmohardening.
30. method according to claim 26, it is characterised in that the unit head (1；101；201；301；401；501；
601；701；801；901) it is that unit head (1 on material to be processed (M) is applied to by being used for of driving of machine；101；201；
301；401；501；601；701；801；901).
31. method according to claim 28, it is characterised in that the welding wire includes steel alloy or closed including noble metal
Gold is made up of steel alloy and hard material.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012212042.4 | 2012-07-10 | ||
| DE201210212042 DE102012212042A1 (en) | 2012-07-10 | 2012-07-10 | Rotary drill bit e.g. machine-driven drill bit for drilling of e.g. reinforced concrete, has cutting element that is composed of two welding points which is cohesively welded on surface portion of surface area of drill sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103538153A CN103538153A (en) | 2014-01-29 |
| CN103538153B true CN103538153B (en) | 2017-09-29 |
Family
ID=49912154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310288804.1A Expired - Fee Related CN103538153B (en) | 2012-07-10 | 2013-07-10 | Unit head |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103538153B (en) |
| DE (1) | DE102012212042A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014007958A1 (en) * | 2014-06-04 | 2015-12-17 | Vittorio Pittana | Device and method for reducing the necessary drive power in core drilling |
| JP2016132143A (en) * | 2015-01-19 | 2016-07-25 | 協正金属實業有限公司 | Improvement in hole saw structure of drill for reinforced concrete |
| GB201712503D0 (en) * | 2017-08-03 | 2017-09-20 | Johnson Matthey Plc | Component proceduced for cold metal transfer process |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2423511A1 (en) * | 1974-05-15 | 1975-11-27 | Krupp Gmbh | DRILL WITH CONVEYOR |
| DE2807198A1 (en) * | 1978-02-20 | 1979-08-30 | Heller Verwaltungsges | Cup-shaped boring tool mfr. - in which cutters are welded onto rim of cup and end of central drill |
| CN1027430C (en) * | 1991-11-22 | 1995-01-18 | 河南省黄河磨具厂 | Dry hollow diamond drilling bit |
| CN2108165U (en) * | 1991-12-27 | 1992-06-24 | 昌盛 | Multipurpose light driller |
| DE19507487A1 (en) * | 1995-03-03 | 1996-09-05 | Hawera Probst Kg Hartmetall | Drill bit for rotary drilling of preferably rock, concrete or the like |
| DE19740277B4 (en) | 1997-09-13 | 2012-05-24 | Robert Bosch Gmbh | drilling |
| JP2002285777A (en) * | 2001-03-23 | 2002-10-03 | Shuei Kogyo:Kk | Rotary casing drill |
| CN2533251Y (en) * | 2002-01-25 | 2003-01-29 | 夏宪成 | Composite double-functional drill bit |
| US7152702B1 (en) * | 2005-11-04 | 2006-12-26 | Smith International, Inc. | Modular system for a back reamer and method |
| CN201002141Y (en) * | 2007-03-06 | 2008-01-09 | 张伟 | Drill bit |
-
2012
- 2012-07-10 DE DE201210212042 patent/DE102012212042A1/en active Pending
-
2013
- 2013-07-10 CN CN201310288804.1A patent/CN103538153B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE102012212042A1 (en) | 2014-01-30 |
| CN103538153A (en) | 2014-01-29 |
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Granted publication date: 20170929 Termination date: 20200710 |