CN213704039U - Tool bit for chain arm saw - Google Patents
Tool bit for chain arm saw Download PDFInfo
- Publication number
- CN213704039U CN213704039U CN202022148096.XU CN202022148096U CN213704039U CN 213704039 U CN213704039 U CN 213704039U CN 202022148096 U CN202022148096 U CN 202022148096U CN 213704039 U CN213704039 U CN 213704039U
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- CN
- China
- Prior art keywords
- mounting surface
- polycrystalline diamond
- base body
- arm saw
- chain arm
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Abstract
The utility model relates to a superhard materials technical field, name are tool bit for chain arm saw, including the base member that steel or carbide made, the base member above be the base member installation face, polycrystalline diamond synthesis piece has on the base member, polycrystalline diamond synthesis piece below have polycrystalline diamond synthesis piece installation face, polycrystalline diamond synthesis piece include alloy base member below and polycrystalline diamond layer above again, base member installation face and polycrystalline diamond synthesis piece installation face connect; the tool bit for the chain arm saw has the advantages of high bearing strength and long service life.
Description
Technical Field
The utility model belongs to the technical field of the superhard materials technique and specifically relates to a chain arm is tool bit for saw.
Background
The chain arm saw is mainly used for cutting large blocks of rough materials and cutting strip mine ores; the chain arm saw have a frame, the frame on install chain arm saw cutting system and loader two parts, install the chain sword on chain arm saw cutting system, the chain sword include the chain and install a plurality of chain arm saw on the chain with the tool bit, a plurality of chain arm saw are installed on the chain with the tool bit and are formed the profile of tooth structure, the chain install and can move on chain arm saw cutting system, at the in-process of chain operation, the cutter body can cut the ore.
The chain arm saw tool bit comprises a base body made of steel or hard alloy, wherein the upper surface of the base body is a mounting surface, a polycrystalline diamond composite sheet is arranged on the base body, and the polycrystalline diamond composite sheet comprises a lower alloy base body and an upper polycrystalline diamond layer; in the prior art, the mounting surface on the base body is of a planar structure, and the chain arm saw bit has the defects of low bearing strength and short service life.
Disclosure of Invention
The utility model aims to solve the problem, a chain arm saw bit with high bearing strength and long service life is provided.
The technical scheme of the utility model is realized like this: a cutter head for a chain arm saw comprises a base body made of steel or hard alloy, wherein a base body mounting surface is arranged on the base body, a polycrystalline diamond synthetic sheet mounting surface is arranged below the polycrystalline diamond synthetic sheet, the polycrystalline diamond synthetic sheet comprises a lower alloy base body and an upper polycrystalline diamond layer, and the base body mounting surface is connected with the polycrystalline diamond synthetic sheet mounting surface; the method is characterized in that: the base body mounting surface is provided with convex strips or grooves, and the polycrystalline diamond synthetic sheet mounting surface is provided with grooves or convex strips matched with the convex strips or grooves.
Furthermore, the convex strip section of the base body mounting surface or the polycrystalline diamond composite sheet mounting surface has a structure with a wide root part and a narrow root part, and the width of the convex strip section is far away from the root part.
Furthermore, the cross section of the convex strip of the base body mounting surface or the polycrystalline diamond composite sheet mounting surface is of a rectangular structure.
Furthermore, the two sides of the upper side or the lower side of the convex strip are provided with acute angle structures.
Furthermore, both sides of the upper surface of each convex strip are provided with structures with round corners.
Furthermore, two sides below the raised line are also provided with a lower round angle structure.
Further, the convex strip is provided with a plurality of convex strips.
The beneficial effects of the utility model are that, such tool bit for chain arm saw has the advantage that bearing strength is high, long service life.
Drawings
Fig. 1 is a schematic side view of the present invention.
Fig. 2 is a schematic cross-sectional view a-a of the first embodiment of fig. 1.
Fig. 3 is a schematic cross-sectional view a-a of the second embodiment of fig. 1.
Fig. 4 is a schematic cross-sectional view a-a of the third embodiment of fig. 1.
Fig. 5 is a schematic cross-sectional view a-a of the fourth embodiment of fig. 1.
Fig. 6 is a schematic cross-sectional view a-a of the fifth embodiment of fig. 1.
Fig. 7 is a schematic sectional view a-a of the sixth embodiment in fig. 1.
Fig. 8 is a schematic cross-sectional view a-a of the embodiment of fig. 1.
Wherein: 1. the polycrystalline diamond composite sheet comprises a base body 2, a base body mounting surface 3, a polycrystalline diamond composite sheet 4, a polycrystalline diamond composite sheet mounting surface 5, an alloy base body 6, a polycrystalline diamond layer 7, a convex strip or groove 8, an acute-angle structure 9, an upper rounded corner structure 10, a lower rounded corner structure 11 and a buckle.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, 2, 3, 4, 5, 6 and 7, the cutter head for the chain arm saw comprises a substrate 1 made of steel or hard alloy, wherein a substrate mounting surface 2 is arranged on the substrate, a polycrystalline diamond composite sheet 3 is arranged on the substrate, a polycrystalline diamond composite sheet mounting surface 4 is arranged below the polycrystalline diamond composite sheet, the polycrystalline diamond composite sheet comprises a lower alloy substrate 5 and an upper polycrystalline diamond layer 6, and the substrate mounting surface is connected with the polycrystalline diamond composite sheet mounting surface; the method is characterized in that: the installation surface of the base body is provided with a convex strip or a groove 7, and the installation surface of the polycrystalline diamond composite sheet is provided with a groove or a convex strip matched with the convex strip or the groove.
The utility model discloses a structure of mortise and tenon has increased the intensity of synthetic piece and concatenation back alloy or steel, can reach the utility model discloses a purpose.
Further, the protrusion is formed by a snap 11 with a thin middle part, the snap is arranged in a groove of the base body mounting surface, and the snap on the base body mounting surface is formed with the protrusion, as shown in fig. 8.
That is, the substrate mounting surface is provided with a groove, the polycrystalline diamond composite sheet mounting surface is also provided with a groove, and the two grooves are connected by a thin middle buckle.
Furthermore, the convex strip section of the substrate mounting surface 2 or the polycrystalline diamond composite sheet mounting surface has a structure with a wide part width and a narrow root part far away from the root part. As shown in fig. 2, 3, 5, 6.
That is to say, the structure of the polycrystalline diamond composite sheet above cannot be pulled out after the base body mounting surface and the polycrystalline diamond composite sheet mounting surface are combined, so that the connection is firmer.
Furthermore, the convex strip section of the substrate mounting surface 2 or the polycrystalline diamond composite sheet mounting surface 4 is of a rectangular structure. As shown in fig. 4.
Therefore, the connection is simpler and the installation is more convenient.
Furthermore, the two sides of the upper or lower side of the convex strip are provided with acute angle structures 8. As shown in fig. 2 and 7.
Furthermore, the two sides of the upper surface of each convex strip are also provided with structures 9 with round corners. As shown in fig. 6.
Furthermore, the two sides below the convex strip are also provided with a structure 10 with a lower round angle. As shown in fig. 7.
Further, the convex strip is provided with a plurality of convex strips.
The installation is firmer by adopting the measures.
The above description is only an embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications within the field of the present invention by those skilled in the art are covered within the scope of the present invention.
Claims (9)
1. A cutter head for a chain arm saw comprises a base body made of steel or hard alloy, wherein a base body mounting surface is arranged on the base body, a polycrystalline diamond synthetic sheet mounting surface is arranged below the polycrystalline diamond synthetic sheet, the polycrystalline diamond synthetic sheet comprises a lower alloy base body and an upper polycrystalline diamond layer, and the base body mounting surface is connected with the polycrystalline diamond synthetic sheet mounting surface; the method is characterized in that: the base body mounting surface is provided with convex strips or grooves, and the polycrystalline diamond synthetic sheet mounting surface is provided with grooves or convex strips matched with the convex strips or grooves.
2. The blade for a chain arm saw as set forth in claim 1, wherein: the convex strip is formed by a buckle with a thin middle part, the buckle is arranged in the groove of the base body mounting surface, and the buckle on the base body mounting surface forms the convex strip.
3. The blade for a chain arm saw as defined in claim 1 or 2, wherein: the convex strip section of the base body mounting surface or the polycrystalline diamond composite sheet mounting surface has a structure with a bit width far away from the root and a narrow root.
4. The blade for a chain arm saw as defined in claim 3, wherein: the cross section of the convex strip of the base body mounting surface or the polycrystalline diamond composite sheet mounting surface is of a rectangular structure.
5. The blade for a chain arm saw as set forth in claim 4, wherein: the two sides above or below the convex strip are also provided with acute angle structures.
6. The blade for a chain arm saw as set forth in claim 5, wherein: both sides of the upper surface of each convex strip are also provided with structures with round corners.
7. The blade for a chain arm saw as set forth in claim 5, wherein: the two sides below the convex strip are also provided with a lower round angle structure.
8. The blade for a chain arm saw as defined in claim 1 or 2, wherein: the convex strip is a plurality of convex strips.
9. The blade for a chain arm saw as defined in claim 3, wherein: the convex strip is a plurality of convex strips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022148096.XU CN213704039U (en) | 2020-09-27 | 2020-09-27 | Tool bit for chain arm saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022148096.XU CN213704039U (en) | 2020-09-27 | 2020-09-27 | Tool bit for chain arm saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213704039U true CN213704039U (en) | 2021-07-16 |
Family
ID=76795815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022148096.XU Active CN213704039U (en) | 2020-09-27 | 2020-09-27 | Tool bit for chain arm saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213704039U (en) |
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2020
- 2020-09-27 CN CN202022148096.XU patent/CN213704039U/en active Active
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