CN214992933U - Quick-change alloy gear sleeve - Google Patents
Quick-change alloy gear sleeve Download PDFInfo
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- CN214992933U CN214992933U CN202121218842.6U CN202121218842U CN214992933U CN 214992933 U CN214992933 U CN 214992933U CN 202121218842 U CN202121218842 U CN 202121218842U CN 214992933 U CN214992933 U CN 214992933U
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Abstract
The utility model provides a quick-change alloy tooth sleeve, belonging to the field of engineering machinery, comprising a tooth holder; the alloy tooth sleeve is arranged on the tooth holder, and a mounting hole is formed in the front end of the alloy tooth sleeve; the cutter head is connected to the mounting hole; wherein the front end of the alloy gear sleeve is provided with an alloy sleeve. The utility model discloses set up the alloy cover on the terminal surface of the mounting hole of alloy tooth cover, improved the hardness of tooth cover tool bit mounting hole terminal surface, reach extension tooth cover life's effect.
Description
Technical Field
The utility model relates to a quick change alloy tooth cover belongs to the engineering machine tool field.
Background
During the milling process of the milling drum, irregular twisting is inevitably generated between the cutter head and the milled material, so that the cutter head is driven to rotate to work, and the twisting torque enables the friction between the cutter head and the gear sleeve. After a period of time, torsional friction between the tool bit and the gear sleeve can cause the end face of the tool bit mounting hole of the gear sleeve to be worn, and then the service life of the milling drum gear sleeve can be influenced.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem that exists among the prior art, the utility model provides a quick change alloy tooth cover sets up the alloy cover on the terminal surface of the mounting hole of alloy tooth cover, has improved the hardness of tooth cover tool bit mounting hole terminal surface, reaches extension tooth cover life's effect.
The utility model provides a quick change alloy tooth cover, include:
a tooth holder;
the alloy tooth sleeve is arranged on the tooth holder, and a mounting hole is formed in the front end of the alloy tooth sleeve; and
the cutter head is connected to the mounting hole;
wherein the front end of the alloy gear sleeve is provided with an alloy sleeve.
The utility model is further improved in that the rear end of the alloy gear sleeve is provided with a connecting part for connecting the gear seat, and the front end is provided with an installation part for installing the tool bit; the mounting hole is axially arranged on the mounting part.
The utility model discloses a further improvement lies in, the alloy cover includes cylindric piece and connection the annular piece of cylindric piece, wherein, the cladding of cylindric piece is in on the outer wall of installation department, the annular piece covers the front end of installation department.
The utility model discloses a further improvement lies in, alloy cover adopts YG20N tungsten steel material.
The utility model discloses a further improvement lies in, the installation department is toper or cylindric structure, the coaxial setting of mounting hole is in on the installation department.
The utility model discloses a further improvement lies in, connecting portion are taper shank column structure, be provided with on the toothholder with connecting portion shape matched with slotted hole, connecting portion peg graft in the slotted hole.
The utility model discloses a further improvement lies in, the upper end of alloy tooth cover is provided with the connection the cooling hole of mounting hole.
The utility model discloses a further improvement lies in, the middle part of tool bit sets up the toper main part, the front end of toper main part is provided with the knife tip, the rear end be provided with mounting hole matched with connecting rod.
The utility model discloses a further improvement lies in, the connecting rod with adopt interference fit's mode to link to each other between the mounting hole.
The further improvement of the utility model is that the shape of the alloy sleeve is a round, oval or special-shaped structure.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses a quick change alloy tooth cover sets up the alloy cover on the terminal surface of the mounting hole of alloy tooth cover, and the alloy cover has improved the hardness of tooth cover tool bit mounting hole terminal surface, and in the course of the work, the torsion of tool bit cause and the friction between the alloy tooth cover all is born by the alloy cover, because the hardness of alloy cover is high, be difficult to produce wearing and tearing to reach extension tooth cover life's effect.
Drawings
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural view of a quick-change alloy tooth sleeve according to an embodiment of the present invention, showing a top view structure;
fig. 2 is a schematic cross-sectional view of a quick-change alloy gear sleeve according to an embodiment of the present invention;
fig. 3 is an exploded view of a quick-change alloy tooth sleeve according to an embodiment of the present invention, showing the positional relationship of the parts.
In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.
The meaning of the reference symbols in the drawings is as follows: 1. alloy tooth sleeve 2, tooth holder 3, tool bit 11, alloy sleeve 12, mounting part 13, connecting part 14, mounting hole 15, cooling hole 21, slotted hole 31, conical main body 32, tool tip 33 and connecting rod.
Detailed Description
In order to make the technical solutions and advantages of the present invention more clearly understood, the following description is made in further detail with reference to the accompanying drawings. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not an exhaustive list of all embodiments. And the embodiments and features of the embodiments may be combined with each other without conflict.
Fig. 1 schematically shows a quick-change alloy sleeve according to an embodiment of the present invention, including a tooth holder 2. The gear seat 2 is provided with an alloy gear sleeve 1, the alloy gear sleeve 1 is made of alloy materials, the rear end of the alloy gear sleeve 1 is fixedly connected to the gear seat 2, and the front end of the alloy gear sleeve is provided with a mounting hole 14 for mounting the cutter head 3. The cutter head 3 is disposed in the mounting hole 14. The front end of the alloy gear sleeve 1 is provided with an alloy sleeve 11, and the alloy sleeve 11 is arranged at a position connected with the cutter head 3.
In the quick-change alloy gear sleeve according to the embodiment, the alloy sleeve 11 is arranged at the front end of the alloy gear sleeve 1, so that the strength of the end face of the mounting hole 14 of the alloy gear sleeve 1 can be increased, and the abrasion degree between the cutter head 3 and the alloy gear sleeve 1 can be reduced.
In one embodiment, as shown in fig. 2, the rear end of the alloy gear sleeve 1 is provided with a connecting part 13, and the connecting part 13 is used for connecting the gear seat 2; the front end of the alloy gear sleeve 1 is provided with a mounting part 12, and the mounting part 12 is used for mounting the cutter head 3. Preferably, the connecting portion 13 has a tapered structure, the mounting portion 12 has a tapered structure or a columnar structure, and the mounting portion 12 is provided with a mounting hole 14 along an axial direction.
When assembling the quick-change alloy sleeve gear according to the present embodiment, the connecting portion 13 at the rear end of the alloy sleeve gear 1 is connected to the gear holder 2. Preferably, one or more slots 21 are arranged on the tooth holder 2, and the connecting part 13 of the alloy tooth sleeve 1 is inserted into the slot 21 of the tooth holder 2. The tool bit 3 is inserted into the mounting hole 14, and the assembly is completed.
In one embodiment, the alloy sleeve 11 includes a cylindrical piece having a cylindrical shape or a conical cylindrical shape and a shape corresponding to the outer wall of the connection portion 13, and an annular piece having a shape corresponding to the end of the connection portion 13. The outer ring of the annular sheet is connected with the end part of the cylindrical sheet, and the inner ring of the annular sheet is matched with the mounting hole 14. In this embodiment, the cylindrical piece is coated on the outer wall of the mounting portion 12, and the annular piece is coated on the front end of the mounting portion 12.
In one embodiment, as shown in FIG. 2, the mounting portion 12 is a tapered, cylindrical or tubular shank-like structure, the mounting hole 14 is disposed at the center of the tubular shank-like mounting portion 12, and the center axis of the mounting hole 14 is coaxial with the center axis of the mounting portion 12.
In one embodiment, the connecting portion 13 is a taper shank structure, and one end close to the center of the alloy gear sleeve 1 is thicker, and the other end far away from the center of the alloy gear sleeve 1 is thinner. The tooth holder 2 is provided with a slotted hole 21, the shape of the slotted hole 21 is matched with that of the connecting part 13, and the connecting part 13 is inserted in the slotted hole 21.
In one embodiment, the upper end of the alloy sleeve 1 is provided with a cooling hole 15 connected with the mounting hole 14. The cooling hole 15 inclines upward the setting in vertical direction, can add the coolant liquid through cooling hole 15 at the in-process of work, and the coolant liquid passes through cooling hole 15 enter into mounting hole 14 with between the gap of tool bit 3, for the tool bit 3 cooling. In a preferred embodiment, the cooling liquid level is water.
When using the quick change alloy tooth cover according to this embodiment, cooling hole 15 and mounting hole 14 intersect and are located the handle of a knife top, alloy tooth cover 1 and toothholder 2 equipment back, when cooling to tool bit 3 watering, water can get into mounting hole 14 from the disassembly hole, and tool bit 3 self is cooled down, promotes the cooling effect.
In one embodiment, as shown in fig. 3, a tapered body 31 is provided in the middle of the cutter head 3, the tapered body 31 is provided with a cutting tip 32 at the front end, and a connecting rod 33 is provided at the rear end to be matched with the mounting hole 14. The conical body 31 makes the cutting head 3 more stable and also increases the strength without affecting its sharpness.
In a preferred embodiment, the connecting rod 33 is connected with the mounting hole 14 by interference fit.
In this embodiment, the cooling hole 15 can also serve as a dismounting tool for dismounting the tool bit 3, and when the dismounting tool is mounted in the cooling hole 15, the tool bit 3 can be dismounted from the mounting hole 14 along the dismounting slope by hammering the dismounting tool. In the embodiment, the inclined plane is disassembled, so that the cutter head 3 can be conveniently and labor-saving disassembled from the alloy gear sleeve 1, and the time for assembling and disassembling is saved.
In one embodiment, the shape of the alloy sleeve is a circular, oval or profiled structure, but other shapes are also possible.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, the appended claims are intended to be construed to include preferred embodiments and all such changes and/or modifications as fall within the scope of the invention, and all such changes and/or modifications as are made to the embodiments of the present invention are intended to be covered by the scope of the invention.
Claims (10)
1. A quick-change alloy gear sleeve is characterized by comprising:
a tooth holder (2);
the alloy tooth sleeve (1) is arranged on the tooth holder (2), and the front end of the alloy tooth sleeve (1) is provided with a mounting hole (14); and
the cutter head (3) is connected to the mounting hole (14);
wherein the front end of the alloy gear sleeve (1) is provided with an alloy sleeve (11).
2. The quick-change alloy gear sleeve according to claim 1, characterized in that the rear end of the alloy gear sleeve is provided with a connecting part (13) connected with the gear seat (2), and the front end is provided with a mounting part (12) for mounting the cutter head (3); the mounting hole (14) is axially provided in the mounting portion (12).
3. The quick-change alloy gear sleeve according to claim 2, characterized in that the alloy sleeve (11) comprises a cylindrical piece and a ring piece connected with the cylindrical piece, wherein the cylindrical piece is coated on the outer wall of the mounting part (12), and the ring piece is coated on the front end of the mounting part (12).
4. The quick-change alloy gear sleeve according to claim 3, wherein the alloy sleeve (11) is made of YG20N tungsten steel.
5. The quick-change alloy toothed sleeve according to claim 4, characterized in that the mounting portion (12) is of a conical or cylindrical structure, and the mounting hole (14) is coaxially arranged on the mounting portion (12).
6. The quick-change alloy tooth sleeve according to claim 5, characterized in that the connecting part (13) is a taper shank structure, a slotted hole (21) matched with the connecting part (13) in shape is formed in the tooth holder (2), and the connecting part (13) is inserted into the slotted hole (21).
7. The quick-change alloy sleeve according to claim 6, characterized in that the upper end of the alloy sleeve (1) is provided with cooling holes (15) which connect to the mounting holes (14).
8. The quick-change alloy tooth socket according to claim 7, characterized in that a conical body (31) is arranged in the middle of the cutter head (3), a cutter tip (32) is arranged at the front end of the conical body (31), and a connecting rod (33) matched with the mounting hole (14) is arranged at the rear end of the conical body.
9. The quick-change alloy gear sleeve according to claim 8, characterized in that the connecting rod (33) is connected with the mounting hole (14) in an interference fit manner.
10. The quick-change alloy tooth sleeve according to claim 8, characterized in that the shape of the alloy sleeve (11) is a round, oval or profiled structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121218842.6U CN214992933U (en) | 2021-06-02 | 2021-06-02 | Quick-change alloy gear sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121218842.6U CN214992933U (en) | 2021-06-02 | 2021-06-02 | Quick-change alloy gear sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214992933U true CN214992933U (en) | 2021-12-03 |
Family
ID=79085404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121218842.6U Active CN214992933U (en) | 2021-06-02 | 2021-06-02 | Quick-change alloy gear sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214992933U (en) |
-
2021
- 2021-06-02 CN CN202121218842.6U patent/CN214992933U/en active Active
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