CN217026609U - Combined tool apron for milling machine - Google Patents
Combined tool apron for milling machine Download PDFInfo
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- CN217026609U CN217026609U CN202220237618.XU CN202220237618U CN217026609U CN 217026609 U CN217026609 U CN 217026609U CN 202220237618 U CN202220237618 U CN 202220237618U CN 217026609 U CN217026609 U CN 217026609U
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Abstract
A combined tool apron for a milling machine comprises a tool apron matrix and a handle, wherein an assembling hole is formed in the tool apron matrix, a tool sleeve is arranged in the assembling hole, an installation hole is formed in the tool sleeve along the axial direction of the tool sleeve, and an annular ring is arranged on the outer ring of the upper end of the tool sleeve; the upper end surfaces of the knife sleeve and the annular ring are provided with wear-resistant coatings; the outer wall of the cutter sleeve is provided with an annular groove, the cutter holder base body is provided with a pin hole, the middle part of the pin hole is communicated with the assembling hole, a bolt is arranged in the pin hole, when the cutter holder base body is assembled with the cutter sleeve, the pin hole of the cutter holder base body is communicated with the annular groove of the cutter sleeve, and the middle part of the bolt is positioned between the pin hole and the annular groove; a first threaded hole is formed in the side wall of the cutter holder base body, a second threaded hole is formed in the side wall of the cutter sleeve, and a fastening bolt is arranged between the first threaded hole of the cutter holder base body and the second threaded hole of the cutter sleeve; the utility model has the advantages of good wear resistance, long service life, stable structure, convenient assembly, sustainable use of the base body of the tool apron, effective reduction of waste of alloy materials and the like.
Description
Technical Field
The utility model relates to a milling cutter holder, in particular to a combined cutter holder for a milling machine.
Background
The road milling machine is used as a main device for road maintenance, and is used for milling and crushing an asphalt (or cement) road surface or a roadbed which influences normal use of a highway. When the road milling machine works, the milling rotor arranged at the lower part of the road milling machine rotates to drive a plurality of milling cutter heads fixedly arranged on the rotor, the milling cutter heads cut and crush the road surface or the roadbed to be repaired, the road milling machine simultaneously removes cutting products, and then the road surface or the roadbed is paved again to finish the maintenance of the road.
The milling cutter head is arranged on the milling rotor via a milling cutter seat which supports the milling cutter head during operation and is simultaneously subjected to severe crushing, severe wear and impact. Because the use working condition is very complicated and severe, the end face of one end of the milling cutter seat used for supporting the milling cutter head is easy to wear in use, so that the milling cutter seat is scrapped, but in most cases, the wear loss of the scrapped milling cutter seat is only about 10% of the whole weight, and great waste of alloy materials and additional values of the alloy materials is caused.
SUMMERY OF THE UTILITY MODEL
The combined tool apron for the milling machine, which is disclosed by the utility model, aims to solve the defects of the prior art, has the advantages of good wear resistance, long service life, stable structure, convenience in assembly, sustainable use of the tool apron matrix and capability of effectively reducing the waste of alloy materials.
The technical scheme adopted by the utility model for solving the technical problem is as follows: a combined tool apron for a milling machine comprises a tool apron base body, wherein a handle is arranged at the lower end of the tool apron base body, an assembling hole is formed in the tool apron base body, a tool sleeve is arranged in the assembling hole, an installing hole is formed in the tool sleeve along the axial direction of the tool sleeve, and an annular ring is arranged on the outer ring of the upper end of the tool sleeve; the upper end surfaces of the knife sleeve and the annular ring are provided with wear-resistant coatings; the outer wall of the cutter sleeve is provided with an annular groove, the cutter holder base body is provided with a pin hole, the middle part of the pin hole is communicated with an assembling hole, a bolt is arranged in the pin hole, when the cutter holder base body is assembled with the cutter sleeve, the pin hole of the cutter holder base body is communicated with the annular groove of the cutter sleeve, and the middle part of the bolt is positioned between the pin hole and the annular groove; the side wall of the tool apron base body is provided with a first threaded hole, the side wall of the tool sleeve is provided with a second threaded hole, and a fastening bolt is arranged between the first threaded hole of the tool apron base body and the second threaded hole of the tool sleeve.
Preferably, the upper end face of the cutter holder base body is provided with a plurality of positioning blocks, and the lower surface of the annular ring of the cutter sleeve is provided with a plurality of positioning grooves matched with the positioning blocks.
Preferably, the length of the plug pin is less than or equal to the length of the pin hole.
Preferably, an extension groove is formed in a side wall of the tool apron base, the first threaded hole is formed in the extension groove, and a head end of the fastening bolt is located in the extension groove when the tool apron base is assembled with the tool sleeve.
Preferably, the tool apron base body is provided with a tool unloading hole at the lower end of the assembling hole, and the diameter of the tool unloading hole is larger than that of the assembling hole.
Preferably, the lower end surface of the cutter sleeve penetrates through the assembling hole and extends into the cutter unloading hole, a clamping ring is arranged on the outer ring of the lower end surface, and a check ring is arranged between the clamping ring and the inner end surface of the cutter unloading hole at the lower end of the cutter sleeve.
Preferably, the wear-resistant coating is a wear-resistant layer deposited on the upper end faces of the cutter sleeve and the annular ring by adopting a plasma arc self-fluxing alloy powder spray welding technology.
Preferably, the tool apron base body and the handle are integrally formed, and the tool sleeve and the annular ring are integrally formed by hard alloy.
The tool apron matrix arranged on the milling rotor and the tool sleeve for supporting the milling cutter head adopt split structures, the tool sleeve which is easily worn in the using process is processed by hard alloy, and the end surface of the tool sleeve is provided with the wear-resistant coating, so that the wear resistance and the service life of the tool sleeve are greatly enhanced; the cutter holder base body and the cutter sleeve adopt a split structure, so that the worn and scrapped cutter sleeve can be detached from the cutter holder base body to be replaced by a new cutter sleeve, and the loss of the cutter holder base body can be reduced; the cutter holder base body and the cutter sleeve are respectively provided with the positioning block and the positioning groove, so that the assembly between the cutter holder base body and the cutter sleeve is facilitated; the plug pin and the fastening bolt are arranged between the cutter holder base body and the cutter sleeve, so that the cutter holder base body and the cutter sleeve can be axially and circumferentially fixed, and the stability of the whole structure is ensured; the cutter base body is provided with the cutter unloading hole at the lower end of the assembling hole, so that the milling cutter head is convenient to disassemble, and the retainer ring is arranged between the lower end of the cutter sleeve and the cutter base body, so that the axial stability and the circumferential stability of the cutter base body and the cutter sleeve are further improved on the premise of ensuring the sealing property between the cutter base body and the cutter sleeve; the utility model has the advantages of good wear resistance, long service life, stable structure, convenient assembly, sustainable use of the base body of the tool apron, effective reduction of waste of alloy materials and the like.
Drawings
FIG. 1 is a schematic view of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic view of a base of the tool holder of the present invention;
fig. 3 is a schematic structural view of the knife pouch of the present invention.
In the figure: 1. a tool apron base; 11. assembling holes; 12. a pin hole; 13. a first threaded hole; 14. positioning blocks; 15. an extension groove; 16. a tool discharge hole; 2. a handle; 3. a knife sheath; 31. mounting holes; 32. an annular ring; 33. a wear-resistant coating; 34. an annular groove; 35. a second threaded hole; 36. positioning a groove; 37. a snap ring; 4. a bolt; 5. fastening a bolt; 6. and a retainer ring.
Detailed Description
The technical solution of the present invention is further specifically described below by using specific embodiments and with reference to the accompanying drawings.
Example (b):
fig. 1 to fig. 3 show a milling machine is with combination blade holder, including blade holder base member 1, the lower extreme of blade holder base member 1 is equipped with handle 2, blade holder base member 1 and handle 2 integrated into one piece, assembly hole 11 has been seted up on the blade holder base member 1, be equipped with the broach shell 3 in the assembly hole 11, be equipped with mounting hole 31 along its axial in the broach shell 3, the upper end outer lane of broach shell 3 is equipped with annular ring 32, broach shell 3 and annular ring 32 are by carbide integrated into one piece, be equipped with wear-resistant coating 33 on the up end of broach shell 3 and annular ring 32, wear-resistant coating 33 is the one deck plasma arc wearing layer that adopts self-fluxing nature alloy powder spray welding technique to melt at the up end of broach shell 3 with annular ring 32.
The upper end surface of the tool apron base body 1 is provided with a plurality of positioning blocks 14, and the lower surface of the annular ring 32 of the tool sleeve 3 is provided with a plurality of positioning grooves 36 matched with the positioning blocks 14; the outer wall of the cutter sleeve 3 is provided with an annular groove 34, the cutter holder base body 1 is provided with a pin hole 12, the middle of the pin hole 12 is communicated with an assembling hole 11, a bolt 4 is arranged in the pin hole 12, the length of the bolt 4 is smaller than or equal to that of a through hole, when the cutter holder base body 1 is assembled with the cutter sleeve 3, the pin hole 12 of the cutter holder base body 1 is communicated with the annular groove 34 of the cutter sleeve 3, and the middle of the bolt 4 is positioned between the pin hole 12 and the annular groove 34; a first threaded hole 13 is formed in the side wall of the tool apron base body 1, a second threaded hole 35 is formed in the side wall of the tool sleeve 3, a fastening bolt 5 is arranged between the first threaded hole 13 of the tool apron base body 1 and the second threaded hole 35 of the tool sleeve 3, an extension groove 15 is formed in the side wall of the tool apron base body 1, the first threaded hole 13 is arranged in the extension groove 15, and the head end of the fastening bolt 5 is located in the extension groove 15 when the tool apron base body 1 and the tool sleeve 3 are assembled; the tool apron base body 1 is provided with a tool unloading hole 16 at the lower end of the assembling hole 11, the diameter of the tool unloading hole 16 is larger than that of the assembling hole 11, the lower end face of the tool sleeve 3 penetrates through the assembling hole 11 and extends into the tool unloading hole 16, a clamping ring 37 is arranged on the outer ring of the lower end face of the tool sleeve 3, and a check ring 6 is arranged between the clamping ring 37 and the inner end face of the tool unloading hole 16 at the lower end of the tool sleeve 3.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the utility model as set forth in the claims.
Claims (8)
1. The utility model provides a combination blade holder for milling machine, includes blade holder base member (1), the lower extreme of blade holder base member (1) is equipped with handle (2), its characterized in that: an assembling hole (11) is formed in the tool apron base body (1), a tool sleeve (3) is arranged in the assembling hole (11), a mounting hole (31) is formed in the tool sleeve (3) along the axial direction of the tool sleeve, and an annular ring (32) is arranged on the outer ring of the upper end of the tool sleeve (3); the upper end surfaces of the knife sleeve (3) and the annular ring (32) are provided with wear-resistant coatings (33); an annular groove (34) is formed in the outer wall of the cutter sleeve (3), a pin hole (12) is formed in the cutter holder base body (1), the middle of the pin hole (12) is communicated with the assembling hole (11), a plug pin (4) is arranged in the pin hole (12), when the cutter holder base body (1) is assembled with the cutter sleeve (3), the pin hole (12) of the cutter holder base body (1) is communicated with the annular groove (34) of the cutter sleeve (3), and the middle of the plug pin (4) is located between the pin hole (12) and the annular groove (34); the tool apron is characterized in that a first threaded hole (13) is formed in the side wall of the tool apron base body (1), a second threaded hole (35) is formed in the side wall of the tool sleeve (3), and a fastening bolt (5) is arranged between the first threaded hole (13) of the tool apron base body (1) and the second threaded hole (35) of the tool sleeve (3).
2. The gang tool holder of claim 1, wherein: the upper end surface of the tool apron base body (1) is provided with a plurality of positioning blocks (14), and the lower surface of the annular ring (32) of the tool sleeve (3) is provided with a plurality of positioning grooves (36) matched with the positioning blocks (14).
3. The gang tool holder of claim 1, wherein: the length of the bolt (4) is smaller than or equal to that of the pin hole (12).
4. The gang tool holder of claim 1, wherein: the side wall of the tool apron base body (1) is provided with an extending groove (15), the first threaded hole (13) is formed in the extending groove (15), and the head end of the fastening bolt (5) is located in the extending groove (15) when the tool apron base body (1) and the tool sleeve (3) are assembled.
5. The gang tool holder of claim 1, wherein: the lower end of the tool apron base body (1) in the assembling hole (11) is provided with a tool unloading hole (16), and the diameter of the tool unloading hole (16) is larger than that of the assembling hole (11).
6. The gang tool holder of claim 5, wherein: the lower end face of the cutter sleeve (3) penetrates through the assembly hole (11) and extends into the cutter unloading hole (16), the outer ring of the lower end face of the cutter sleeve is provided with a clamping ring (37), and a check ring (6) is arranged between the clamping ring (37) and the inner end face of the cutter unloading hole (16) at the lower end of the cutter sleeve (3).
7. The gang tool holder of claim 1, wherein: the wear-resistant coating (33) is a wear-resistant layer deposited on the upper end surfaces of the knife sleeve (3) and the annular ring (32) by adopting a plasma arc self-fluxing alloy powder spray welding technology.
8. The gang tool holder of claim 1, wherein: the tool apron base body (1) and the handle (2) are integrally processed and formed, and the tool sleeve (3) and the annular ring (32) are integrally processed and formed by hard alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220237618.XU CN217026609U (en) | 2022-01-28 | 2022-01-28 | Combined tool apron for milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220237618.XU CN217026609U (en) | 2022-01-28 | 2022-01-28 | Combined tool apron for milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217026609U true CN217026609U (en) | 2022-07-22 |
Family
ID=82449812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220237618.XU Active CN217026609U (en) | 2022-01-28 | 2022-01-28 | Combined tool apron for milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217026609U (en) |
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2022
- 2022-01-28 CN CN202220237618.XU patent/CN217026609U/en active Active
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