CN201262086Y - High abrasion-proof diamond composite cutter bit - Google Patents
High abrasion-proof diamond composite cutter bit Download PDFInfo
- Publication number
- CN201262086Y CN201262086Y CNU200820053896XU CN200820053896U CN201262086Y CN 201262086 Y CN201262086 Y CN 201262086Y CN U200820053896X U CNU200820053896X U CN U200820053896XU CN 200820053896 U CN200820053896 U CN 200820053896U CN 201262086 Y CN201262086 Y CN 201262086Y
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- CN
- China
- Prior art keywords
- pick
- box
- diamond composite
- high abrasion
- cutting
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- 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 - Lifetime
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Abstract
The utility model discloses a highly-wear resistant diamond composite cutting pick, which comprises a pick stem, a pick holder and a pick. The pick holder is connected with one end of the pick stem, and the pick is fixed inside the pick holder which is made of a hard alloy material. The highly-wear resistant diamond composite cutting pick has simple and compact structure and enhances the effective protection diameter of the pick holder, so as to prolong the overall service life of the pick and improve the efficiency of a mining machine.
Description
Technical field
The utility model is mainly concerned with colliery and mining apparatus field, refers in particular to a kind of high abrasion-proof diamond composite cutter bit that is used for equipment such as coal-winning machine, development machine.
Background technology
In the prior art, coal mining, driving pick are the key elements on large-scale coal-winning machine and the development machine, the general employing welded (brazing) together with carbide alloy cutting pick head and alloy steel, it is mainly used in the digging field such as coal mining, tunnelling in coalfield, growth day by day along with resource requirement, the use of large-scale mining machinery more and more widely, thereby to the demands for higher performance of digging pick.
At present, though the carbide alloy cutting pick head that adopts has been compared anti-wear performance preferably with steel, but can not satisfy the requirement in application life, and because this kind cutting-gear life is not good, cause frequent replacing pick, make the efficient of mining machinery not to be not fully exerted.Simultaneously, because the pick handle is formed by material preparations such as alloy steels, thereby make the pick handle utmost point not wear-resisting, make too early the coming off of carbide alloy cutting pick head, cause whole pick to damage inefficacy in advance, adopt traditionally the pick handle is heat-treated or increased abrasion resistance at pick handle surface overlaying one deck wear resistance electrode, protect footpath purpose, DeGrain to reach.Particularly in the appearance of diamond composite cutter bit head, the life-span of the pick handle that its high-wearing feature high life makes more needs well to be guaranteed.
The utility model content
The technical problems to be solved in the utility model just is: at the technical problem of prior art existence, thereby the pick that the utility model provides a kind of protection simple and compact for structure, that strengthen the pick handle to prolong the high abrasion-proof diamond composite cutter bit of the whole service life of pick, raising mining machinery efficient is protected directly.
For solving the problems of the technologies described above, the solution that the utility model proposes is: a kind of high abrasion-proof diamond composite cutter bit, it is characterized in that: it comprises pick handle, pick box and cutting pick head, pick box is connected in an end of pick handle, cutting pick head is fixed in the pick box, and described pick box is made by Hardmetal materials.
Connected mode between described cutting pick head and the pick box is that silver brazing or copper brazing or the interference of colding pressing are pressed into or the hot pressing interference is pressed into.
Connected mode between described pick box and the pick handle is that silver brazing or copper brazing or the interference of colding pressing are pressed into or the hot pressing interference is pressed into.
Described cutting pick head comprises hard alloy substrate and the dimond synneusis layer that is compound on the carbide matrix end of body.
The link of described pick handle and pick box is provided with connecting portion, offers through hole on the pick box, and this connecting portion and cutting pick head are sheathed on the two ends in the through hole respectively.
The link of described pick handle and pick box is provided with the pick box storage tank, and an end offers the cutting pick head storage tank on the pick box, and the other end and pick box storage tank are connected, and cutting pick head is sheathed in the cutting pick head storage tank of pick box.
The joint face of described carbide matrix end of body and dimond synneusis layer is provided with one or more lug boss.
The composition of described dimond synneusis layer is by weight percentage: diamond 80%～82%, silicon 6%～7%, cobalt 12%～13%.
Described lug boss evenly distributes, and it highly is 0.3～0.8mm, and diameter is 0.8～1.5mm.
Compared with prior art, advantage of the present utility model just is:
1, the characteristics of the utility model maximum are to change traditional pick structure, have added carbide alloy pick box part.This structure designs at diamond composite cutter bit, has only this radial-protecting method of pick efficiently could well satisfy the requirement of high abrasion high life diamond composite cutter bit;
2, carbide alloy pick box of the present utility model has good wear resistance, has guaranteed the radially stable of this position in the use.High abrasion resistance is arranged and under the high life-span, it can be run out of normally at the diamond composite cutter bit head, effectively improve the bulk life time of pick;
3, the utility model is owing to the raising greatly of single pick bulk life time, and the frequency that makes the mining machinery that adopts diamond composite cutter bit in use change pick reduces greatly, thereby significantly improves digging efficient;
4, the utility model is based on the raising in pick application life and the lifting of digging efficient, thereby cost of mining is reduced significantly.
Description of drawings
Fig. 1 is a cutting pick head master TV structure schematic diagram in the utility model
Fig. 2 is the main TV structure schematic diagram of a kind of embodiment of pick box in the utility model;
Fig. 3 is the main TV structure schematic diagram of a kind of embodiment of pick handle in the utility model;
Fig. 4 is the main TV structure schematic diagram of the utility model a kind of embodiment of welding intact pick;
Fig. 5 is the structural representation of hard alloy substrate in the utility model;
Fig. 6 is the main TV structure schematic diagram of the another kind of embodiment of pick box in the utility model;
Fig. 7 is the main TV structure schematic diagram of the another kind of embodiment of pick handle in the utility model;
Fig. 8 is the another kind of main TV structure schematic diagram that the utility model welds intact pick.
Marginal data
1, pick handle 2, pick box
3, cutting pick head 4, hard alloy substrate
5, dimond synneusis layer 6, lug boss
101, connecting portion 102, pick box storage tank
201, through hole 202, cutting pick head storage tank
The specific embodiment
Below with reference to the drawings and specific embodiments the utility model is described in further details.
Embodiment 1: as Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, a kind of high abrasion-proof diamond composite cutter bit of the present utility model, it comprises pick handle 1, pick box 2 and cutting pick head 3, pick box 2 is connected in an end of pick handle 1, cutting pick head 3 is fixed in the pick box 2, described pick box 2 is made by Hardmetal materials, carbide alloy pick box 2 has good wear resistance, has guaranteed the radially stable of this position in the use.Connected mode between cutting pick head 1 and the pick box 2 can for silver brazing or copper brazing or the interference of colding pressing be pressed into or the hot pressing interference is pressed into.Connected mode between pick box 2 and the pick handle 1 also can for silver brazing or copper brazing or the interference of colding pressing be pressed into or the hot pressing interference is pressed into.In the present embodiment, pick handle 1 is provided with connecting portion 101 with the link of pick box 2, offers through hole 201 on the pick box 2, and this connecting portion 101 and cutting pick head 3 are sheathed on the two ends in the through hole 201 respectively, and welding can be finished connection then.Cutting pick head 3 comprises hard alloy substrate 4 and the dimond synneusis layer 5 that is compound on hard alloy substrate 4 ends.The composition of dimond synneusis layer 5 is by weight percentage: diamond 80%, silicon 7%, cobalt 13%.The joint face of hard alloy substrate 4 ends and dimond synneusis layer 5 is provided with one or more lug boss 6.These equally distributed lug bosses 6, it highly is 0.3～0.8mm, and diameter is 0.8～1.5mm, and lug boss 6 and proximal surface are by arc transition.The even distribution of lug boss 6 on the interface, improved the contact area of hard alloy substrate 4 with dimond synneusis layer 5, thereby effectively strengthened the bond strength of dimond synneusis layer 5, improved the impact resistance of product, prolonged its application life with hard alloy substrate 4.Add man-hour in cutting pick head 3, earlier diamond and metal powder material are mixed, stir formation diamond batch mixing by a certain percentage, preliminary treatment is carried out on surface to carbide alloy, form hard alloy substrate 4 after deoiling, remove surface oxide layer, then the diamond batch mixing is packed in the carbon pipe, pre-molding, the hard alloy substrate 4 of packing into carries out vacuum purification and handles; Next the carbon pipe after vacuum purification being handled is put into pyrophillite, and between the two ends of carbon pipe and pyrophillite conducting steel ring, titanium circle and carbon plate is set, and forms synthetic piece; The conducting steel ring two ends feed electric current in synthetic piece at last, with the carbon pipe as heater, thereby in building-up process, feed the electric current heating, be 50～200 seconds heat time heating time, synthesis pressure is 80～105Map, synthesis temperature is 1500～1600 ℃, in building-up process, to guarantee six alloys top hammer simultaneously from front, rear, left and right, upper and lower six direction pressurizes to synthetic piece, utilizes homemade cubic hinge press to accomplish.
Embodiment 2: as Fig. 1, Fig. 5, Fig. 6, Fig. 7 and shown in Figure 8, a kind of high abrasion-proof diamond composite cutter bit of the present utility model, it comprises pick handle 1, pick box 2 and cutting pick head 3, pick box 2 is connected in an end of pick handle 1, cutting pick head 3 is fixed in the pick box 2, described pick box 2 is made by Hardmetal materials, carbide alloy pick box 2 has good wear resistance, has guaranteed the radially stable of this position in the use.Connected mode between cutting pick head 1 and the pick box 2 can for silver brazing or copper brazing or the interference of colding pressing be pressed into or the hot pressing interference is pressed into.Connected mode between pick box 2 and the pick handle 1 also can for silver brazing or copper brazing or the interference of colding pressing be pressed into or the hot pressing interference is pressed into.In the present embodiment, pick handle 1 is provided with pick box storage tank 102 with the link of pick box 2, pick box storage tank 102 is the counterbore shape, an end offers cutting pick head storage tank 202 on the pick box 2, the other end and pick box storage tank 102 are connected, cutting pick head 3 is sheathed in the cutting pick head storage tank 202 of pick box 2, then pick handle 1, pick box 2, cutting pick head 3 connecting portion is each other got final product by welding is fixing.Cutting pick head 3 comprises hard alloy substrate 4 and the dimond synneusis layer 5 that is compound on hard alloy substrate 4 ends.The composition of dimond synneusis layer 5 is by weight percentage: diamond 81%, silicon 7%, cobalt 12%.The joint face of hard alloy substrate 4 ends and dimond synneusis layer 5 is provided with one or more lug boss 6.These equally distributed lug bosses 6, it highly is 0.3～0.8mm, and diameter is 0.8～1.5mm, and lug boss 6 and proximal surface are by arc transition.The even distribution of lug boss 6 on the interface, improved the contact area of hard alloy substrate 4 with dimond synneusis layer 5, thereby effectively strengthened the bond strength of dimond synneusis layer 5, improved the impact resistance of product, prolonged its application life with hard alloy substrate 4.Add man-hour in cutting pick head 3, earlier diamond and metal powder material are mixed, stir formation diamond batch mixing by a certain percentage, preliminary treatment is carried out on surface to carbide alloy, form hard alloy substrate 4 after deoiling, remove surface oxide layer, then the diamond batch mixing is packed in the carbon pipe, pre-molding, the hard alloy substrate 4 of packing into carries out vacuum purification and handles; Next the carbon pipe after vacuum purification being handled is put into pyrophillite, and between the two ends of carbon pipe and pyrophillite conducting steel ring, titanium circle and carbon plate is set, and forms synthetic piece; The conducting steel ring two ends feed electric current in synthetic piece at last, with the carbon pipe as heater, thereby in building-up process, feed the electric current heating, be 50～200 seconds heat time heating time, synthesis pressure is 80～105Map, synthesis temperature is 1500～1600 ℃, in building-up process, to guarantee six alloys top hammer simultaneously from front, rear, left and right, upper and lower six direction pressurizes to synthetic piece, utilizes homemade cubic hinge press to accomplish.
Embodiment 3: as Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, a kind of high abrasion-proof diamond composite cutter bit of the present utility model, it comprises pick handle 1, pick box 2 and cutting pick head 3, pick box 2 is connected in an end of pick handle 1, cutting pick head 3 is fixed in the pick box 2, described pick box 2 is made by Hardmetal materials, carbide alloy pick box 2 has good wear resistance, has guaranteed the radially stable of this position in the use.Connected mode between cutting pick head 1 and the pick box 2 can for silver brazing or copper brazing or the interference of colding pressing be pressed into or the hot pressing interference is pressed into.Connected mode between pick box 2 and the pick handle 1 also can for silver brazing or copper brazing or the interference of colding pressing be pressed into or the hot pressing interference is pressed into.In the present embodiment, pick handle 1 is provided with connecting portion 101 with the link of pick box 2, offers through hole 201 on the pick box 2, and this connecting portion 101 and cutting pick head 3 are sheathed on the two ends in the through hole 201 respectively, and welding can be finished connection then.Cutting pick head 3 comprises hard alloy substrate 4 and the dimond synneusis layer 5 that is compound on hard alloy substrate 4 ends.The composition of dimond synneusis layer 5 is by weight percentage: diamond 82%, silicon 6%, cobalt 12%.The joint face of hard alloy substrate 4 ends and dimond synneusis layer 5 is provided with one or more lug boss 6.These equally distributed lug bosses 6, it highly is 0.3～0.8mm, and diameter is 0.8～1.5mm, and lug boss 6 and proximal surface are by arc transition.The even distribution of lug boss 6 on the interface, improved the contact area of hard alloy substrate 4 with dimond synneusis layer 5, thereby effectively strengthened the bond strength of dimond synneusis layer 5, improved the impact resistance of product, prolonged its application life with hard alloy substrate 4.Add man-hour in cutting pick head 3, earlier diamond and metal powder material are mixed, stir formation diamond batch mixing by a certain percentage, preliminary treatment is carried out on surface to carbide alloy, form hard alloy substrate 4 after deoiling, remove surface oxide layer, then the diamond batch mixing is packed in the carbon pipe, pre-molding, the hard alloy substrate 4 of packing into carries out vacuum purification and handles; Next the carbon pipe after vacuum purification being handled is put into pyrophillite, and between the two ends of carbon pipe and pyrophillite conducting steel ring, titanium circle and carbon plate is set, and forms synthetic piece; The conducting steel ring two ends feed electric current in synthetic piece at last, with the carbon pipe as heater, thereby in building-up process, feed the electric current heating, be 50～200 seconds heat time heating time, synthesis pressure is 80～105Map, synthesis temperature is 1500～1600 ℃, in building-up process, to guarantee six alloys top hammer simultaneously from front, rear, left and right, upper and lower six direction pressurizes to synthetic piece, utilizes homemade cubic hinge press to accomplish.
Claims (8)
1, a kind of high abrasion-proof diamond composite cutter bit, it is characterized in that: it comprises pick handle (1), pick box (2) and cutting pick head (3), pick box (2) is connected in an end of pick handle (1), and cutting pick head (3) is fixed in the pick box (2), and described pick box (2) is made by Hardmetal materials.
2, high abrasion-proof diamond composite cutter bit according to claim 1 is characterized in that: the connected mode between described cutting pick head (1) and the pick box (2) is that silver brazing or copper brazing or the interference of colding pressing are pressed into or the hot pressing interference is pressed into.
3, high abrasion-proof diamond composite cutter bit according to claim 1 is characterized in that: the connected mode between described pick box (2) and the pick handle (1) is that silver brazing or copper brazing or the interference of colding pressing are pressed into or the hot pressing interference is pressed into.
4, high abrasion-proof diamond composite cutter bit according to claim 1, it is characterized in that: described pick handle (1) is provided with connecting portion (101) with the link of pick box (2), offer through hole (201) on the pick box (2), this connecting portion (101) and cutting pick head (3) are sheathed on the two ends in the through hole (201) respectively.
5, high abrasion-proof diamond composite cutter bit according to claim 1, it is characterized in that: described pick handle (1) is provided with pick box storage tank (102) with the link of pick box (2), the last end of pick box (2) offers cutting pick head storage tank (202), the other end and pick box storage tank (102) are connected, and cutting pick head (3) is sheathed in the cutting pick head storage tank (202) of pick box (2).
6, according to claim 1 or 2 or 3 or 4 or 5 described high abrasion-proof diamond composite cutter bits, it is characterized in that: described cutting pick head (3) comprises hard alloy substrate (4) and is compound in dimond synneusis layer (5) on hard alloy substrate (4) end.
7, high abrasion-proof diamond composite cutter bit according to claim 6 is characterized in that: the joint face of described hard alloy substrate (4) end and dimond synneusis layer (5) is provided with more than one lug boss (6).
8, high abrasion-proof diamond composite cutter bit according to claim 7 is characterized in that: described lug boss (6) evenly distributes, and it highly is 0.3～0.8mm, and diameter is 0.8～1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820053896XU CN201262086Y (en) | 2008-07-30 | 2008-07-30 | High abrasion-proof diamond composite cutter bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820053896XU CN201262086Y (en) | 2008-07-30 | 2008-07-30 | High abrasion-proof diamond composite cutter bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201262086Y true CN201262086Y (en) | 2009-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820053896XU Expired - Lifetime CN201262086Y (en) | 2008-07-30 | 2008-07-30 | High abrasion-proof diamond composite cutter bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201262086Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047604A (en) * | 2014-06-10 | 2014-09-17 | 高建军 | Compound cutting pick and manufacturing method thereof |
| CN105201503A (en) * | 2015-09-15 | 2015-12-30 | 安徽澳德矿山机械设备科技股份有限公司 | Reinforced type high-abrasion-resistance diamond composite cutting tooth |
-
2008
- 2008-07-30 CN CNU200820053896XU patent/CN201262086Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047604A (en) * | 2014-06-10 | 2014-09-17 | 高建军 | Compound cutting pick and manufacturing method thereof |
| CN104047604B (en) * | 2014-06-10 | 2016-05-18 | 高建军 | A kind of composite cutter bit and manufacture method thereof |
| CN105201503A (en) * | 2015-09-15 | 2015-12-30 | 安徽澳德矿山机械设备科技股份有限公司 | Reinforced type high-abrasion-resistance diamond composite cutting tooth |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090624 |
|
| CX01 | Expiry of patent term |