CN209812816U - Tool bit for dry cutting sandstone - Google Patents
Tool bit for dry cutting sandstone Download PDFInfo
- Publication number
- CN209812816U CN209812816U CN201920136481.7U CN201920136481U CN209812816U CN 209812816 U CN209812816 U CN 209812816U CN 201920136481 U CN201920136481 U CN 201920136481U CN 209812816 U CN209812816 U CN 209812816U
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- CN
- China
- Prior art keywords
- tool bit
- protection piece
- bit body
- circular saw
- saw base
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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 - Fee Related
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Abstract
The utility model discloses a tool bit of dry-cutting sandstone, including the circular saw base member, the inside central point of circular saw base member puts the department and is provided with the perforation, and angles such as the fenestrate outside evenly are provided with the fixed mounting hole, angles such as the surface of circular saw base member evenly are fixed with the protection piece, and the inside both sides of protection piece all install first self-tightening bolt, the last surface of protection piece evenly is fixed with the alloy lug, the inside bottom of protection piece is provided with the recess, and the internal connection of recess has the tool bit body, the second self-tightening bolt is all installed to the inside both sides of tool bit body, the inside fixed welding in top of protection piece has the strengthening rib. The utility model discloses be provided with protection piece and tool bit body, wearing and tearing appear in protection piece and tool bit body and can change alone, invade the cutting to the sandstone through the alloy lug is preferential, is convenient for protect piece and tool bit body and carries out further cutting to the sandstone, makes the speed of tool bit body wearing and tearing obtain reducing through the protection piece.
Description
Technical Field
The utility model relates to a grinding tool technical field specifically is a dry-cutting sandstone's tool bit.
Background
Sandstone materials need a fixed length and width specification so as to be convenient for construction and use, so sandstone needs to be treated, a tool bit is machined by adopting a hot pressing method at present, then the tool bit is welded on a circular saw base body by adopting a high-frequency welding method, and the phenomena of tool bit abrasion and falling off are easy to occur in the circular saw machined by the method.
Present tool bit and circular saw base member are fixed welding mode, if a tool bit appears wearing and tearing and need change whole circular saw base member, whole circular saw base member needs often to be changed, has increased the cost of construction, and the tool bit is when the cutting sandstone simultaneously, and the direct blunt of tool bit hits the surface at the sandstone, though work efficiency improves the wearing and tearing of having accelerated the tool bit, and the speed of tool bit wearing and tearing accelerates, has reduced the life of tool bit.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tool bit of dry-cutting sandstone to the circular saw base member that proposes in solving above-mentioned background art needs often to change with the fast problem of tool bit wearing and tearing speed.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dry-cutting sandstone's tool bit, includes the circular saw base member, the inside central point department of putting of circular saw base member is provided with the perforation, and angles such as fenestrate outside evenly are provided with the fixed mounting hole, the angles such as surface of circular saw base member evenly are fixed with the protection piece, and the inside both sides of protection piece all install first self-tightening bolt, the upper surface of protection piece evenly is fixed with the alloy lug, the inside bottom of protection piece is provided with the recess, and the internal connection of recess has the tool bit body, the second self-tightening bolt is all installed to the inside both sides of tool bit body, the inside fixed welding in top of protection piece has the strengthening rib.
Preferably, the surface of the circular saw base body is uniformly provided with a preformed groove at an equal angle, and the inner wall of the preformed groove is provided with an internal thread matched with the external thread on the surface of the first self-tightening bolt for use.
Preferably, the protection block is of a convex structure, and the radian of the lower surface of the protection block is consistent with that of the surface of the circular saw base body.
Preferably, the inside hole that all is provided with in both sides of protection piece and tool bit body, the inside hole diameter size of protection piece is the same with the diameter size of first self-tightening bolt, the diameter size in the inside hole of tool bit body is the same with the diameter size of second self-tightening bolt.
Preferably, the alloy lugs are arranged in two groups, and the alloy lugs are symmetrically distributed about the central axis of the protective block.
Preferably, the shape of the tool bit body is consistent with that of the protection block, and the size of the transverse cutting area of the bottom end of the tool bit body is the same as that of the bottom end of the groove.
Compared with the prior art, the beneficial effects of the utility model are that: this dry-cutting sandstone's tool bit is provided with protection piece and tool bit body, and protection piece and tool bit body appear wearing and tearing and can change alone, need not change the circular saw base member, can change alone, through the preferential contact with the sandstone of alloy lug and invade the sandstone, the protection piece of being convenient for and tool bit body carry out further cutting to the sandstone, through the protection of protection piece to the tool bit body, the speed of tool bit body wearing and tearing obtains reducing.
(1) The device is through being provided with protection piece and tool bit body, and tool bit body passes through second from tighting bolt and circular saw base member fixed connection, and protection piece is through first from tighting bolt and circular saw base member fixed connection, and tool bit body wearing and tearing appear can change alone, need not change the circular saw base member, can change tool bit body alone, has reduced the cost of construction.
(2) The device is through installing protection piece and alloy lug, and the alloy lug is preferred to be contacted with the sandstone and invade the cutting to the sandstone, makes the sandstone take place the crack, and the protection piece of being convenient for and tool bit body carry out further cutting to the sandstone, have improved the availability factor of tool bit body.
(3) The device is through the protection of protection piece to the tool bit body, and the speed of tool bit body wearing and tearing is reduced, has increased the life of tool bit body.
Drawings
FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;
FIG. 2 is a schematic front view of the structure of the protection block and the alloy bump of the present invention;
fig. 3 is a schematic front sectional view of the structure of the protection block and the alloy bump of the present invention.
In the figure: 1. a circular saw base; 2. perforating; 3. fixing the mounting hole; 4. a protection block; 5. a first self-tightening bolt; 6. a second self-tightening bolt; 7. an alloy bump; 8. a groove; 9. a tool bit body; 10. and (5) reinforcing ribs.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides an embodiment: a cutter head for dry cutting sandstone comprises a circular saw base body 1, a through hole 2 is arranged at the center of the inner part of the circular saw base body 1, fixed mounting holes 3 are uniformly arranged at equal angles on the outer side of the through hole 2, a reserved groove is uniformly arranged at equal angles on the surface of the circular saw base body 1, an inner thread matched with an outer thread on the surface of a first self-tightening bolt 5 is arranged on the inner wall of the reserved groove, the circular saw base body 1 is provided with two groups of first self-tightening bolts 5, the first self-tightening bolts 5 can fix a protective block 4, the surface of the circular saw base body 1 is uniformly fixed with the protective block 4 at equal angles, the first self-tightening bolts 5 are arranged on two inner sides of the protective block 4, the protective block 4 is of a convex structure, the radian of the lower surface of the protective block 4 is consistent with the radian of the surface of the circular saw base body 1, the protective block 4 can be tightly attached, the stability of the protection block 4 is increased.
Holes are arranged inside two sides of the protection block 4 and the tool bit body 9, the diameter of the hole inside the protection block 4 is the same as that of the first self-tightening bolt 5, the diameter of the hole inside the tool bit body 9 is the same as that of the second self-tightening bolt 6, the protection block 4 and the tool bit body 9 can be firmly fixed through the first self-tightening bolt 5 and the second self-tightening bolt 6, alloy lugs 7 are uniformly fixed on the upper surface of the protection block 4, two groups of alloy lugs 7 are arranged, the alloy lugs 7 are symmetrically distributed relative to the central shaft of the protection block 4, the alloy lugs 7 can preferentially cut sandstone, the use efficiency of the device is improved, a groove 8 is arranged at the bottom inside the protection block 4, the tool bit body 9 is connected with the tool bit body 9 inside, the shape of the tool bit body 9 is consistent with that of the protection block 4, the transverse cutting area at the bottom end of the tool bit body 9 is the same as that at the bottom end of the groove 8, tool bit body 9 cup joints in the inside of protection piece 4, and the protection piece 4 or tool bit body 9 of being convenient for are changed alone, and the second is from tight bolt 6 all installed to the inside both sides of tool bit body 9, and the inside fixed welding in top of protection piece 4 has strengthening rib 10, and strengthening rib 10 has increased the intensity of protection piece 4, has increased the life of protection piece 4.
The working principle is as follows: when the circular saw is used, a sandstone material is well fixed, the circular saw base body 1 is fixed on a device through the fixed mounting hole 3, the circular saw base body 1 rotates to drive the protective block 4 to rotate, the alloy lug 7 on the surface of the protective block 4 preferentially contacts with sandstone and cuts the sandstone, so that the sandstone is cracked, then the protective block 4 and the tool bit body 9 further cut the sandstone, after the alloy lug 7 and the protective block 4 are abraded, the first self-tightening bolt 5 is rotated to detach the alloy lug 7 and the protective block 4, the tool bit body 9 left on the surface of the circular saw base body 1 can be used independently, after the tool bit body 9 is abraded, a new protective block 4 is sleeved on the surface of the tool bit body 9, the protective block 4 is fixedly arranged on the surface of the circular saw base body 1 through the two groups of first self-tightening bolts 5, the protective block 4 and the tool bit body 9 are normally used, and after the protective block 4 and the tool bit body 9 are abraded, first from tighting bolt 5 and second from tighting bolt 6 are dismantled in the rotation, and protection piece 4 and tool bit body 9 are changed simultaneously, and protection piece 4 and tool bit body 9 can be changed alone, do not need whole change circular saw base member 1, have reduced circular saw base member 1's use cost.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a tool bit of dry-cutting sandstone, includes circular saw base member (1), its characterized in that: the utility model discloses a circular saw, including circular saw base member (1), the inside central point of circular saw base member (1) puts the department and is provided with perforation (2), and the angle such as the outside of perforation (2) evenly is provided with fixed mounting hole (3), the angle such as the surface of circular saw base member (1) evenly is fixed with protection piece (4), and the inside both sides of protection piece (4) all install first from tight bolt (5), the upper surface of protection piece (4) evenly is fixed with alloy lug (7), the inside bottom of protection piece (4) is provided with recess (8), and the internal connection of recess (8) has tool bit body (9), the second is all installed from tight bolt (6) to the inside both sides of tool bit body (9), the inside fixed welding in top of protection piece (4) has strengthening rib (10).
2. The bit for dry cutting sandstone according to claim 1, wherein: the surface of the circular saw base body (1) is uniformly provided with a preformed groove at equal angles, and the inner wall of the preformed groove is provided with an internal thread matched with the external thread on the surface of the first self-tightening bolt (5).
3. The bit for dry cutting sandstone according to claim 1, wherein: the protection block (4) is of a convex structure, and the radian of the lower surface of the protection block (4) is consistent with that of the surface of the circular saw base body (1).
4. The bit for dry cutting sandstone according to claim 1, wherein: the inside hole that all is provided with in both sides of protection piece (4) and tool bit body (9), the inside hole diameter size of protection piece (4) is the same with the diameter size of first self-tightening bolt (5), the diameter size in the inside hole of tool bit body (9) is the same with the diameter size of second self-tightening bolt (6).
5. The bit for dry cutting sandstone according to claim 1, wherein: the alloy bumps (7) are arranged in two groups, and the alloy bumps (7) are symmetrically distributed around the central axis of the protection block (4).
6. The bit for dry cutting sandstone according to claim 1, wherein: the shape of the tool bit body (9) is consistent with that of the protection block (4), and the size of the transverse cutting area of the bottom end of the tool bit body (9) is the same as that of the bottom end of the groove (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920136481.7U CN209812816U (en) | 2019-01-27 | 2019-01-27 | Tool bit for dry cutting sandstone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920136481.7U CN209812816U (en) | 2019-01-27 | 2019-01-27 | Tool bit for dry cutting sandstone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209812816U true CN209812816U (en) | 2019-12-20 |
Family
ID=68872369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920136481.7U Expired - Fee Related CN209812816U (en) | 2019-01-27 | 2019-01-27 | Tool bit for dry cutting sandstone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209812816U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113799200A (en) * | 2021-09-09 | 2021-12-17 | 扬州优索机械科技有限公司 | Multifunctional vegetable cutter capable of changing vegetable cutting shape |
-
2019
- 2019-01-27 CN CN201920136481.7U patent/CN209812816U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113799200A (en) * | 2021-09-09 | 2021-12-17 | 扬州优索机械科技有限公司 | Multifunctional vegetable cutter capable of changing vegetable cutting shape |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 Termination date: 20220127 |