CN206513367U - A kind of Novel cutting tooth - Google Patents
A kind of Novel cutting tooth Download PDFInfo
- Publication number
- CN206513367U CN206513367U CN201621103829.5U CN201621103829U CN206513367U CN 206513367 U CN206513367 U CN 206513367U CN 201621103829 U CN201621103829 U CN 201621103829U CN 206513367 U CN206513367 U CN 206513367U
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- China
- Prior art keywords
- matrix
- cutting tooth
- pick
- circular cone
- described matrix
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Abstract
The utility model discloses a kind of Novel cutting tooth, including the annular chock of matrix, the cutting tooth on matrix and circular cone；Wherein cutting tooth is that polycrystal diamond composite teeth is made up of polycrystalline diamond composite bed and cemented carbide base；The pick matrix includes：Matrix top and matrix underpart, the inside on matrix top is hollow-core construction, and the hollow-core construction is inlaid with the cutting tooth part and the annular chock of circular cone；The top on described matrix top is provided with coniform hole；The coniform hole that the top on the annular chock of the cutting tooth cemented carbide base, circular cone and matrix top is provided with is linked together by interference fit.The utility model is taken after such scheme, it is to avoid influence to polycrystalline diamond cutting tooth of welding or hot pressing, the impact resistance and wearability for greatly improving diamond composite teeth, greatly extends the service life of pick.
Description
Technical field
The utility model belongs to tunnelling machine, coal-winning machine and shield machine, rotary drilling rig field, and in particular to a kind of new
Pick.
Background technology
In the prior art, development machine, fully mechanized mining machine and shield machine, rotary drilling rig are widely used in various colliery tunnel piercing works
Journey is constructed；Cutterhead is development machine, fully mechanized mining machine and shield machine, the critical piece of rotary drilling rig, and pick is fixed on by toothholder and cut
Cut on head, pick generally uses hard alloy crown（Referred to as hard alloy pick）, the mostly profile of circular cone, and directly fixing
On corresponding base.In practical work process, cutterhead in the way of impacting by pick cutting rock, be it is main by
Power part.
Wherein, when running into the higher rock stratum of hardness, by larger shock loading and friction, hard alloy thereon is cut
Odontotripsis is very fast, has had a strong impact on operating efficiency.
Traditional pick is all made up of hard-metal insert head and pick matrix two parts, general to be used as solder high temperature using copper
Welding or hot-pressing technique link into an integrated entity hard-metal insert head with pick matrix.High temperature during welding can be influenceed in hard alloy
The institutional framework in portion, reduces the intensity of pick, wearability, impact resistance；So as to reduce the service life of pick.Therefore it is raw
Impact strength and the more preferable pick of wearability are needed in production.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provide that a kind of impact resistance is strong, wearability is high new section
Tooth.
The scheme that the utility model solution above-mentioned technical problem is taken is as follows：
A kind of Novel cutting tooth, including the annular chock 2 of matrix, the cutting tooth 1 on matrix and circular cone；The cutting tooth
1 is polycrystal diamond composite teeth, is made up of polycrystalline diamond composite bed 12 and cemented carbide base 13；The glomerocryst of the cutting tooth
Diamond composite layer 12 stretches out in the pick matrix as pick cutting tooth；The pick matrix includes matrix top 4 and base
Body bottom 5.
Further, the inside on described matrix top is hollow-core construction；The hollow-core construction is inlaid with the cutting teeth portion
Part 1 and the annular chock 2 of circular cone；The top on described matrix top is provided with coniform hole 8；The cutting tooth cemented carbide base 13,
The coniform hole 8 that the top on circular cone annular chock 2 and matrix top is provided with is connected by being interference fitted.
Further, described matrix top 4 and matrix underpart 5 are connected together by screw thread 6.
Further, the junction is provided with welding groove 7, by being welded together to the welding groove, makes
Be integrally formed.
Further, the top of described matrix bottom 5 is provided with a connection push rod 9, the connection push rod 9 and the cutting tooth
Cemented carbide base 13 and the annular chock 2 of circular cone are in contact.
Further, the bottom of described matrix bottom 5 is provided with the jump-ring slot 10 mutually fixed with pick base.
Further, described matrix top area easy to wear is provided with wearing layer 3；Its wearing layer will using argon arc welding welding technique
Tungsten carbide filler rod heap is welded in pick matrix area easy to wear, and is completely covered on the surface of matrix.
Further, the pick matrix top wearing layer 3 is annularly welded, and wherein Tungsten Carbide Surfacing layer is along base shaft
Every layer of line direction is sequentially overlapped, and its thickness increases successively perpendicular to matrix axis direction.
Further, the pick matrix is connected with toothholder central rotation.
Further, it is additionally provided with a cylinder table 11 in the middle part of described matrix bottom, the screw thread positioned at described matrix bottom
Lower section.
The utility model is taken after such scheme, it is to avoid the shadow of welding or hot pressing to polycrystalline diamond cutting tooth
Ring, greatly improve the impact resistance and wearability of diamond composite teeth；And pick area easy to wear adds wearing layer and to cut
The wearability enhancing of tooth, there is good supporting role to diamond composite teeth.
Other features and advantages of the utility model will illustrate in the following description, or new by implementing this practicality
Type and understand.The purpose of this utility model and other advantages can be by the specifications, claims and accompanying drawing write
Specifically noted structure is realized and obtained.
Brief description of the drawings
The utility model is described in detail below in conjunction with the accompanying drawings, to cause above-mentioned advantage of the present utility model more
Clearly.
Fig. 1 is the structural representation of the utility model pick；
Fig. 2 is the structural representation of the matrix top and the bottom of Fig. 1 Novel cutting tooth；
Fig. 3 is the structural representation of the polycrystal diamond composite teeth of the utility model pick；
Fig. 4 and Fig. 5 is the structural representation of the annular chock of circular cone of the utility model pick.
Embodiment
With reference to the accompanying drawings and examples, embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to scope of the present utility model.
It is the structural representation of the Novel cutting tooth of the utility model embodiment as described in Fig. 1 and 2, it includes：Matrix, set
In the cutting tooth part on matrix and the annular chock 2 of circular cone, the cutting tooth part includes the He of polycrystalline diamond composite bed 12
Cemented carbide base 13；The pick matrix includes：Matrix top 4 and matrix underpart 5, the inside on matrix top is hollow knot
Structure, and the hollow-core construction is inlaid with the cutting tooth part and the annular chock 2 of circular cone, in addition, the top on described matrix top
Portion is provided with coniform hole 8, and the polycrystalline diamond composite bed 12 of the cutting tooth is as pick cutting tooth above described matrix.It is described
The coniform hole 8 that the top on shown in the annular chock 2 of cutting tooth cemented carbide base 13, circular cone and matrix top is provided with is by interference
Wedging links together.
More specifically, described matrix top 4 and matrix underpart 5 are by the way that together with screwed connection, matrix top is provided with interior
Screw thread, matrix underpart be provided with male thread, and the top of matrix underpart provided with one connection push rod 9, it is described connection push rod 9 with it is described
The bottom of cutting tooth cemented carbide base 13 and the bottom of circular cone ring wedge subgraph 4 are mutually held out against, in a preferred embodiment, the company
Meet place and be provided with welding groove 7, by being welded together to the welding groove, make one.
In addition, the bottom of described matrix bottom is provided with the jump-ring slot 10 being connected with pick base, wherein, the pick base
Body is connected with toothholder central rotation.
Wherein, when installing, the annular chock 2 of the cutting tooth cemented carbide base 13 and circular cone is by matrix
The pretightning force mating connection push rod 9 of bottom sub-wire button is secured it within coniform hole, then by lower substrate on the pick for pretension
Junction is welded, and high temperature is to polycrystalline diamond cutting tooth diamond composite layer when such improvement avoids welding or hot pressing
With the influence of alloy base conjunctive tissue, the impact resistance and wearability of novel diamond complex are so substantially increased, is made
It can be applied in the pick of coal seam, rock stratum is adopted, and replace hard alloy.
Wherein, Fig. 3 is illustrated, the cutting tooth includes：Polycrystalline diamond composite bed 12, cemented carbide base 13；
The cemented carbide base 13 is fastened by circular cone ring wedge subgraph 4 and the pick matrix top taper hole wedging, and a angles are in assembling
When circular conical surface fasten wedging completely with conical chock Fig. 4 medial surfaces.The polycrystal diamond composite teeth replaces hard-metal insert
Point is used as digging tool cut rock.
Wherein, as illustrated in fig. 1 and 2, at least a portion on described matrix top is provided with wearing layer 3, and welding annular in shape, institute
On the surface for stating the area easy to wear that wearing layer is covered on the pick matrix, the wearing layer uses argon arc welding technology, will be carbonized
Tungsten electrode heap is welded in the area easy to wear of pick matrix；In welding process, make pick matrix along axle using special instrument clamping
Line rotation utilizes argon arc-welding built-up welding tungsten carbide filler rod simultaneously, and matrix is preheated before welding, to base after the completion of welding
Body uses Insulation.Strengthen the abrasion resistant effect in matrix area easy to wear with this.
Wherein, as shown in figure 4, the chock is annular in circular cone, a groove 14 is processed on its circumference；During assembling, 13 hard
Alloy base bottom circular cone table top fastens wedging, circular cone annular chock lateral surface and base completely with conical chock Fig. 4 medial surfaces
The complete wedging fastening of the coned face of body top 8.
Wherein, polycrystalline diamond cutting tooth can use existing diamond composite, for example, in preferred embodiment
In, during making, need to produce the cutting tooth of reasonable size by design parameter, diamond powder is put on hard alloy and viscous
Agent is tied, HTHP sintering is formed.
Wherein, a cylinder table 11 is additionally provided with the middle part of described matrix bottom, positioned at the lower section of the screw thread of described matrix bottom.
The utility model on the basis of existing technology using polycrystal diamond composite teeth as pick cutting tooth, after improvement
Pick employ screw thread the annular chock of cutting tooth and circular cone be fastened in matrix taper fit hole, in addition, pick is easily ground
Damage area and add wearing layer so that impact resistance and the wearability enhancing of pick.
Also, the pick matrix can provide novel diamond composite teeth good support, the diamond is combined
Tooth substitution hard-metal insert is used as digging tool cut rock.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, this is not limited to
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.
It is all it is of the present utility model spirit and principle within, any modification, equivalent substitution and improvements made etc. all should be wrapped
It is contained within protection domain of the present utility model.It will be understood by those skilled in the art that specific descriptions above are intended merely to solution
The purpose of this utility model is released, the utility model is not intended to limit.Protection domain of the present utility model by claim and its
Equivalent is limited.
Claims (8)
1. a kind of Novel cutting tooth, including the annular chock 2 of matrix, the cutting tooth 1 on matrix and circular cone；The cutting tooth 1
For polycrystal diamond composite teeth, it is made up of polycrystalline diamond composite bed 12 and cemented carbide base 13；The glomerocryst of the cutting tooth
Diamond composite layer 12 stretches out in the pick matrix as pick cutting tooth；The pick matrix includes matrix top 4 and base
Body bottom 5；
Described matrix top area easy to wear is provided with wearing layer 3；Its wearing layer uses argon arc welding welding technique by tungsten carbide filler rod heap
Pick matrix area easy to wear is welded in, and is completely covered on the surface of matrix；
The pick matrix top wearing layer 3 is annularly welded, wherein Tungsten Carbide Surfacing layer along every layer of matrix axis direction according to
Secondary superposition, its thickness increases successively perpendicular to matrix axis direction.
2. Novel cutting tooth according to claim 1, it is characterised in that the inside on described matrix top is hollow-core construction, institute
State hollow-core construction and be inlaid with the cutting tooth part 1 and the annular chock 2 of circular cone；The top on described matrix top is provided with coniform hole
8；The coniform hole 8 that the top on the annular chock 2 of the cutting tooth cemented carbide base 13, circular cone and matrix top is provided with is by mistake
It is full of mating connection.
3. Novel cutting tooth according to claim 1, it is characterised in that described matrix top 4 and matrix underpart 5 pass through screw thread
6 are connected together.
4. Novel cutting tooth according to claim 3, it is characterised in that the junction is provided with welding groove 7.
5. Novel cutting tooth according to claim 1, it is characterised in that the top of described matrix bottom 5 is provided with a connection top
Bar 9, the connection push rod 9 is in contact with the cutting tooth cemented carbide base 13 and the annular chock 2 of circular cone.
6. Novel cutting tooth according to claim 1, it is characterised in that the bottom of described matrix bottom 5 is provided with and pick bottom
The jump-ring slot 10 that seat is mutually fixed.
7. Novel cutting tooth according to claim 1, it is characterised in that the pick matrix connects with toothholder central rotation
Connect.
8. Novel cutting tooth according to claim 1 a, it is characterised in that cylinder table is additionally provided with the middle part of described matrix bottom
11, positioned at the lower section of the screw thread of described matrix bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621103829.5U CN206513367U (en) | 2016-10-09 | 2016-10-09 | A kind of Novel cutting tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621103829.5U CN206513367U (en) | 2016-10-09 | 2016-10-09 | A kind of Novel cutting tooth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206513367U true CN206513367U (en) | 2017-09-22 |
Family
ID=59861050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621103829.5U Active CN206513367U (en) | 2016-10-09 | 2016-10-09 | A kind of Novel cutting tooth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206513367U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018064901A1 (en) * | 2016-10-09 | 2018-04-12 | 杨岗 | New cutting pick |
| CN111088948A (en) * | 2020-01-09 | 2020-05-01 | 杨政龙 | Diamond cutting tooth and processing method thereof |
-
2016
- 2016-10-09 CN CN201621103829.5U patent/CN206513367U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018064901A1 (en) * | 2016-10-09 | 2018-04-12 | 杨岗 | New cutting pick |
| CN111088948A (en) * | 2020-01-09 | 2020-05-01 | 杨政龙 | Diamond cutting tooth and processing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221129 Address after: 710065 Room 1-10934, Crystal Island Apartment Building, No. 38, Fenghui South Road, Hi tech Zone, Xi'an, Shaanxi Patentee after: Xi'an Jingwei Diamond Superhard Materials Co.,Ltd. Address before: 710043 No. B, Floor 9, Unit 1, Building 9, No. 63, Xiying Road, Yanta District, Xi'an, Shaanxi Patentee before: Yang Gang |
|
| TR01 | Transfer of patent right |