CN101597883B - Milling mechanism and cutter thereof - Google Patents
Milling mechanism and cutter thereof Download PDFInfo
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- CN101597883B CN101597883B CN2009101352350A CN200910135235A CN101597883B CN 101597883 B CN101597883 B CN 101597883B CN 2009101352350 A CN2009101352350 A CN 2009101352350A CN 200910135235 A CN200910135235 A CN 200910135235A CN 101597883 B CN101597883 B CN 101597883B
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- cutter
- groove
- milling mechanism
- annular shim
- head
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Abstract
The invention discloses a cutter of a milling mechanism, which comprises a cutter head, a cutter body and an annular gasket, wherein the cutter body comprises a round platform shaped head and a cylindrical body, the cutter head is connected with the round platform shaped head, and the annular gasket is sleeved on the cylindrical body; and the lateral wall of the round platform shaped head is provided with a first groove which intersects with the generating line of a rotating surface and forms proper included angle, the annular gasket is provided with a channel generally extending along the circumferential direction, and the channel is communicated with the upper surface and the lower surface of the annular gasket. By adopting the cutter of the milling mechanism, the problem of eccentric wear of the cutter is effectively solved so that the service life of the cutter is prolonged.
Description
Technical field
The present invention relates to field of mechanical technique, particularly a kind of milling mechanism.The invention still further relates to a kind of cutter of milling mechanism.
Background technology
Normally a kind of maintenance machinery that is used to remove ground surface material of milling mechanism rotates at a high speed and the milling rotor that is covered with cutter adopts the mode of climb cutting or upmilling to excise rigid pavements such as pitch, cement.Because ground surface material complicated component, hardness height, the sharp wear of cutter makes it become consumption parts comparatively rapidly, has significantly increased operating expenses.
The main working parts of milling mechanism is the milling rotor, and the milling rotor is made up of milling armature spindle and a plurality of cutters etc., and cutter comprises cutter hub and cutter head.
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of cutter of typical milling mechanism in the prior art.
As shown in Figure 1, the cutter of milling mechanism of the prior art comprises cutter head 1, cutter hub 2, lining 3 and pad 4, and cutter head 2 comprises truncated cone-shaped 21 and cylindrical body portion 22; Cutter head 1 is welded in truncated cone-shaped head 21, and lining 3 is placed in cylindrical body portion 22, and pad 4 is stuck on the external cylindrical surface of lining 3.
In the milling mechanism course of work, the power set of milling mechanism drive the revolution of milling rotor, and the epitrochanterian a plurality of cutters of milling are along with the revolution of milling rotor, thus the cutting road surface.Pad 4 on the cutter is along with cutter revolves round the sun.Cutter is when incision ground, and the axis of cutter hub 2 becomes suitable angle with the work trajectory plane of cutter head 1, impels cutter head 1 rotation in along with the revolution of milling rotor.
In the milling mechanism course of work, the cutter of milling mechanism, especially cutter head 1, produces violent friction, rapid wearing with ground and waste material.Because job status is abominable or the cutter installation site is special, cutter hub 2 also directly contacts with ground surface material with pad 4, weares and teares simultaneously.Tool wear occurs in cutter head 1, cutter hub 2 and pad 4.
In order to make cutter head 1, cutter hub 2 and pad 4 wearing and tearing evenly, prolong its application life, cutter must guarantee rotation takes place simultaneously when incision ground, and each part of the side face of cutter head 1, cutter hub 2 and pad 4 is all contacted with ground surface material, thus uniform wear.
But in the practice of construction process, asphalt concrete pavement is to be binder with high-consistency pitch, forces mixs, paves, rolls and form through high temperature heating and various mineral materials.Asphalt concrete pavement material is a mixed material, and its main composition element is elements such as silicon, calcium, aluminium, carbon, potassium, iron, and what wherein content was more is silicon and calcium, and hardness is very high.Therefore in the milling mechanism course of work, always having that a certain proportion of cutter is stuck in the tool rest can not rotation, thereby cutter head 1, cutter hub 2 and pad 4 only produce wearing and tearing in a side, has produced eccentric wear.If connect the cutter hub 2 long-time eccentric wears of cutter head 1, then can produce excessive wear, this moment, cutter head 1 hardness still had enough more than needed, as instantaneously changing cutter not, then Mo Sun cutter hub 2 is not enough to support cutter head 1 cutting hard surfacing and is fractureed, and then the tool rest that begins to wear and tear, and equipment is caused more major injury.
How effectively solving the eccentric wear problem of the cutter of milling mechanism, and then prolong the application life of cutter, is the present technical issues that need to address of those skilled in the art.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of cutter of milling mechanism, and the cutter of this milling mechanism can effectively solve the eccentric wear problem of cutter in the work progress, thereby prolongs the application life of cutter; The present invention provides a kind of milling mechanism that comprises above-mentioned cutter in addition, and this milling mechanism use cost in work progress is lower.
For solving the problems of the technologies described above, the invention provides a kind of cutter of milling mechanism, comprise cutter head, cutter hub and annular shim; Described cutter hub comprises truncated cone-shaped head and cylindrical body portion, and described cutter head is connected in described truncated cone-shaped head, and described annular shim is placed in described cylindrical body portion; Have on the sidewall of described truncated cone-shaped head and intersect with the bus of its surfaces of revolution and form greater than 0 ° of first groove less than 90 ° angle, described annular shim has generally along the passage of the circumferential extension of described annular shim, the upper surface and the soffit of the described annular shim of described channel connection.
Preferably, described passage comprise second groove and with the 3rd groove of the second groove smooth connection; Described second groove is opened in the upper surface of described annular shim and generally along the circumferential extension of described annular shim, described the 3rd groove is opened in the side of described annular shim and extending axially along described annular shim.
Preferably, described first groove and described second groove are deep-slotted chip breaker.
Preferably, the degree of depth of described first groove axially deepening downwards along described cutter; The degree of depth of described second groove is along the intensification radially outward of described annular shim.
Preferably, the bottom surface of described first groove, described second groove and described the 3rd groove is a cambered surface.
Preferably, the number scope of described first groove and described passage is respectively 3～10.
Preferably, the direction of rotation of described first groove and described passage is identical.
Preferably, the front end face of described truncated cone-shaped head is provided with boss, and the rear end face of described cutter head has the shrinkage pool that matches with described boss.
The present invention provides a kind of milling mechanism in addition, comprises the cutter of above-mentioned any milling mechanism.
Has first groove that intersects and form suitable angle with the bus of its surfaces of revolution on the sidewall of the truncated cone-shaped head of the cutter of milling mechanism provided by the present invention, described annular shim has the passage that circumferentially extends generally along it, the upper surface and the soffit of the described annular shim of described channel connection.
In work progress, broken ground surface material has produced higher speed, enter in the passage of first groove on the truncated cone-shaped head side wall and annular shim, since the bearing of trend of first groove and passage be substantially along cutter hub circumferentially, therefore broken ground surface material has produced the turning effort power of promotion cutter rotation, has promoted the rotation of cutter.Cutter rotation performance increases, and has avoided cutter head, cutter hub and pad only to produce wearing and tearing in a side, thereby has solved the eccentric wear problem of cutter effectively, has prolonged the application life of cutter significantly.
On the basis of above-mentioned embodiment, the passage that annular shim of the present invention has may further include second groove and with the 3rd groove of the second groove smooth connection; Described second groove is opened in the upper surface of described annular shim and generally along its circumferential extension, described the 3rd groove is opened in the side of described annular shim and extends axially along it.In the milling mechanism course of work, ground surface material with fair speed enters second groove and the 3rd groove generally along circumferential extension, has produced a turning effort power, promotes the annular shim rotation, thereby more effectively avoid the eccentric wear of annular shim, prolong the application life of cutter.
First groove of the present invention and second groove can further be deep-slotted chip breaker.In the milling mechanism course of work, with respect to straight trough, broken ground surface material can enter in the deep-slotted chip breaker at faster speed, and therefore the turning effort power that produces is bigger, thereby promotes cutter rotation quickly.
Description of drawings
Fig. 1 is the structural representation of a kind of cutter of typical milling mechanism in the prior art;
Fig. 2 is the axonometric drawing that the cutter head of the cutter of milling mechanism in a kind of specific embodiment of the present invention separates with cutter hub;
Fig. 3 is the cutter head of the cutter of milling mechanism in a kind of specific embodiment of the present invention and the axonometric drawing that cutter hub is installed together;
Fig. 4 is the structural representation of the cutter of milling mechanism in a kind of specific embodiment of the present invention.
The specific embodiment
Core of the present invention provides a kind of cutter of milling mechanism, and the cutter of this milling mechanism can effectively solve the eccentric wear problem of cutter in the course of work, thereby prolongs the application life of cutter.
In order to make those skilled in the art understand technical scheme of the present invention better, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 2, Fig. 2 is the axonometric drawing that the cutter head of the cutter of milling mechanism in a kind of specific embodiment of the present invention separates with cutter hub.
In first kind of embodiment, as shown in Figure 2, the invention provides a kind of cutter of milling mechanism, comprise cutter head 1, cutter hub 2 and annular shim 4; Cutter hub 2 comprises truncated cone-shaped head 21 and cylindrical body portion 22, and cutter head 1 is connected in described truncated cone-shaped head 21, and annular shim 4 is placed in described cylindrical body portion 22; Have first groove 211 that intersects and form suitable angle with the bus of its surfaces of revolution on the sidewall of truncated cone-shaped head, the scope of this suitable angle is: greater than 0 °, less than 90 °.Annular shim 4 has the passage 41 that circumferentially extends generally along it, and passage 41 does not repel it simultaneously again along the extending axially of annular shim along the circumferential extension of annular shim 4, and passage 41 is communicated with the upper surface 42 and the soffit (not marking on the figure) of described annular shim.
Now the surfaces of revolution and the bus thereof of truncated cone-shaped head 21 are made explanations.On solid geometry, it is axis of rotation that round platform can be regarded as with the straight line perpendicular to the waist place on base in the right-angled trapezium, the solid that curved surface surrounded that right-angled trapezium is rotated a circle and forms, this curved surface is exactly the surfaces of revolution, is exactly the bus of round platform with right-angled trapezium perpendicular to that relative limit of the waist of bottom.
In the milling mechanism course of work, the power set of milling mechanism drive the revolution of milling rotor, and the epitrochanterian a plurality of cutters of milling are along with the revolution of milling rotor, thus the cutting road surface.Pad 4 on the cutter is along with cutter revolves round the sun.Cutter is when incision ground, and the axis of cutter hub 2 becomes suitable angle with the work trajectory plane of cutter head 1, impels cutter head 1 rotation in along with the revolution of milling rotor.
But in the practice of construction process, the rigid pavement is to force mixs, pave, roll and form through various mineral materials such as high temperature heating and cement, stone with high-consistency pitch, and hardness is very high.Therefore in the milling mechanism course of work, always having a certain proportion of cutter to be stuck in the tool rest can not rotation, thereby cutter head 1, cutter hub 2 and pad 4 only produce wearing and tearing in a side, has produced eccentric wear, thereby has reduced application life.
The present invention has first groove 211 that intersects and form suitable angle with the bus of its surfaces of revolution on the sidewall of the truncated cone-shaped head 21 of cutter hub 2, annular shim 4 has the passage 41 that circumferentially extends generally along it, and passage 41 is communicated with the upper surface 42 and the soffit (not marking on the figure) of annular shim 4.In the course of the work, broken ground surface material has produced higher speed, enter in the passage 41 of first groove 211 on truncated cone-shaped head 21 sidewalls and annular shim 4, since the bearing of trend of first groove 211 and passage 41 be substantially along cutter circumferentially, therefore broken ground surface material has produced the turning effort power of promotion cutter rotation, has promoted the rotation of cutter.Cutter rotation performance increases, and avoids cutter head 1, cutter hub 2 and annular shim 4 only to produce wearing and tearing in a side, thereby has solved the eccentric wear problem of cutter effectively, has prolonged the application life of cutter significantly.
Please refer to Fig. 3, Fig. 3 is the cutter head of the cutter of milling mechanism in a kind of specific embodiment of the present invention and the axonometric drawing that cutter hub is installed together.
As shown in Figure 3, on the basis of above-mentioned first kind of embodiment, passage 41 may further include second groove 411 and with the 3rd groove 412 of second groove, 411 smooth connections; Second groove 411 is opened in the upper surface 42 of annular shim 4 and generally along circumferential extension, the 3rd groove 412 is opened in the side 43 of annular shim 4 and extends axially along it.Certainly, passage 41 can also be offered with other mode.
In the milling mechanism course of work, ground surface material with fair speed enters second groove 411 and the 3rd groove 412 generally along circumferential extension, produces a turning effort power, promotes annular shim 4 rotations, thereby more effectively avoid the eccentric wear of annular shim 4, prolonged the application life of cutter.
Please refer to Fig. 4, Fig. 4 is the structural representation of the cutter of milling mechanism in a kind of specific embodiment of the present invention.
In second kind of embodiment, as shown in Figure 4, on the basis of the foregoing description, first groove 211 used in the present invention and second groove 411 can further be deep-slotted chip breaker, can certainly adopt the groove of other shapes.
In the milling mechanism course of work, the global shape of first groove 211 and second groove 411 is an arc, therefore with respect to straight trough, broken ground surface material can enter first groove 211 and second groove 411 at faster speed, therefore the turning effort power that produces is bigger, thereby promotes cutter rotation quickly.
On the basis of above-mentioned second kind of embodiment, the degree of depth of the present invention's first groove 211 can further be the axially intensification downwards along cutter, and the degree of depth of second groove 411 can further be the intensification radially outward along annular shim 4.The degree of depth of certain first groove 211 and second groove 411 also can remain unchanged.
The degree of depth of the present invention's first groove 211 is axially deepened downwards along cutter, and the degree of depth of second groove 411 is along the intensification radially outward of annular shim 4.After first groove 211 and second groove 411 adopt this mode to be provided with, the broken motion process of ground surface material in first groove 211 and second groove 411 is little by little from light to dark a process, and broken ground surface material also little by little becomes big at the space of first groove 211 and second groove 411.At this moment, broken ground surface material will become more rapid in the motion of first groove 211 and second groove 411, therefore speed up, and the turning effort power of generation is bigger, thereby promote cutter rotation quickly.
Simultaneously, the space of first groove 211 and second groove 411 little by little becomes greatly, and therefore the broken ground surface material that enters wherein also can increase gradually, and therefore the turning effort power that produces also can increase gradually, thereby promotes cutter rotation quickly.
Please refer to Fig. 4, Fig. 4 is the structural representation of the cutter of milling mechanism in a kind of specific embodiment of the present invention.
In the third embodiment, as shown in Figure 4, on the basis of the foregoing description, the bottom surface of first groove 211, second groove 411 and the 3rd groove 412 can further be a cambered surface.Certainly the bottom surface of above-mentioned three grooves also can be set to the face of other shapes.
In the milling mechanism course of work, after the bottom surface of first groove 211, second groove 411 and the 3rd groove 412 is set to cambered surface, at this moment, with respect to rectangular surfaces, the obstruction that broken ground surface material is subjected in first groove 211, second groove 411 and the 3rd groove 412 is less, and therefore, broken ground surface material can move quickly, therefore the turning effort power that produces is bigger, thereby promotes cutter rotation quickly.
Simultaneously, after the bottom surface of first groove 211, second groove 411 and the 3rd groove 412 is set to cambered surface, the contact surface of broken ground surface material and first groove 211, second groove 411 and the 3rd groove 412 threes' sidewall strengthens, the same turning effort power that produces can be bigger, thereby promote cutter rotation quickly.
On the basis of above-mentioned the third embodiment, the number scope of first groove 211 and passage 41 can further be respectively 3～10.
In the milling mechanism work progress, the number of first groove 211 and passage 41 is set to 4 respectively, and passage comprises second groove 411 and the 3rd groove 412.Therefore, upwards have 4 first groove 211 week of the truncated cone-shaped head 21 of cutter hub 2, the week of annular shim 4 upwards has 4 second grooves 411 and the 3rd groove 412 respectively.After adopting this set, broken ground surface material cutter circumferentially on enter in first groove 211, second groove 411 and the 3rd groove 412, because the number scope of above-mentioned three grooves is 4, therefore can upwards produce a bigger turning effort in the week of cutter makes a concerted effort, thereby promoted the rotation of cutter more significantly, more effectively solved the eccentric wear problem of cutter.
On the basis of above-mentioned three kinds of specific embodiments, as shown in Figure 2, the direction of rotation of first groove 211 and passage 41 can further be set to identical.
In the milling mechanism course of work, the direction of rotation of first groove 211 and passage 41 is set to identical, and broken ground surface material enters first groove 211 and passage 41, thereby can produce bigger turning effort power, and then promotes the rotation of cutter more significantly.
On the basis of above-mentioned three kinds of specific embodiments, as shown in Figure 2, the front end face of truncated cone-shaped head 21 can further be provided with boss 212, and the rear end face of cutter head 1 can further have the shrinkage pool (not marking on the figure) that matches with boss 212.
In the milling mechanism work progress, after the truncated cone-shaped head 21 of cutter head 1 and cutter hub 2 adopted convex-concaves to cooperate, cutter head 1 was not easy to come off when working, and the stability that cutter head 1 is welded on the cutter hub 2 is strengthened, thereby has prolonged the application life of cutter.
Milling mechanism provided by the present invention comprises the described cutter of above-mentioned any specific embodiment; Other parts can be with reference to prior art, and this paper no longer launches.
More than be that to work in the road surface with milling mechanism be that example is set forth the specific embodiment of the present invention, milling mechanism provided by the present invention and cutter thereof can also be used for other operating modes certainly.
More than milling mechanism provided by the present invention and cutter thereof are described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (9)
1. the cutter of a milling mechanism comprises cutter head, cutter hub and annular shim; Described cutter hub comprises truncated cone-shaped head and cylindrical body portion, described cutter head is connected in described truncated cone-shaped head, described annular shim is placed in described cylindrical body portion, it is characterized in that: have bus with its surfaces of revolution on the sidewall of described truncated cone-shaped head and intersect and form greater than 0 ° of first groove less than 90 ° angle; Described annular shim has generally along the passage of the circumferential extension of described annular shim, the upper surface and the soffit of the described annular shim of described channel connection.
2. the cutter of milling mechanism as claimed in claim 1 is characterized in that: described passage comprise second groove and with the 3rd groove of the second groove smooth connection; Described second groove is opened in the upper surface of described annular shim and generally along the circumferential extension of described annular shim, described the 3rd groove is opened in the side of described annular shim and extending axially along described annular shim.
3. the cutter of milling mechanism as claimed in claim 2, it is characterized in that: described first groove and described second groove are deep-slotted chip breaker.
4. the cutter of milling mechanism as claimed in claim 3 is characterized in that: the degree of depth of described first groove is axially deepened downwards along described cutter; The degree of depth of described second groove is along the intensification radially outward of described annular shim.
5. the cutter of milling mechanism as claimed in claim 4, it is characterized in that: the bottom surface of described first groove, described second groove and described the 3rd groove is a cambered surface.
6. the cutter of milling mechanism as claimed in claim 5, it is characterized in that: the number scope of described first groove and described passage is respectively 3～10.
7. as the cutter of the described milling mechanism of the arbitrary claim of claim 1 to 6, it is characterized in that: the direction of rotation of described first groove and described passage is identical.
8. as the cutter of the described milling mechanism of the arbitrary claim of claim 1 to 6, it is characterized in that: the front end face of described truncated cone-shaped head is provided with boss, and the rear end face of described cutter head has the shrinkage pool that matches with described boss.
9. a milling mechanism is characterized in that: the cutter that comprises the described milling mechanism of the arbitrary claim of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101352350A CN101597883B (en) | 2009-04-21 | 2009-04-21 | Milling mechanism and cutter thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101352350A CN101597883B (en) | 2009-04-21 | 2009-04-21 | Milling mechanism and cutter thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101597883A CN101597883A (en) | 2009-12-09 |
| CN101597883B true CN101597883B (en) | 2010-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101352350A Expired - Fee Related CN101597883B (en) | 2009-04-21 | 2009-04-21 | Milling mechanism and cutter thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN101597883B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10184336B2 (en) * | 2016-01-13 | 2019-01-22 | Caterpillar Paving Products Inc. | Milling tool holder |
| CN105862559A (en) * | 2016-04-08 | 2016-08-17 | 江苏大学 | Prepressing spacer capable of improving windmilling performance of cutter |
| CN105887638A (en) * | 2016-05-14 | 2016-08-24 | 湘潭大学 | Milling machine cutting pick |
| CN105839507A (en) * | 2016-05-16 | 2016-08-10 | 苏州凯通工程机械有限公司 | Novel milling-planing cutting pick for milling-planing machine |
| CN108049295A (en) * | 2017-12-04 | 2018-05-18 | 苏州五元素机械制造有限公司 | A kind of band handle chisel for road milling machine |
| CN114908652B (en) * | 2022-05-31 | 2023-10-03 | 江苏徐工工程机械研究院有限公司 | Milling cutter head, forming method thereof, milling rotor and pavement milling machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1019359A (en) * | 1962-12-24 | 1966-02-02 | Papst Hermann | Boundary layer control means and method of producing the same |
| CN2647910Y (en) * | 2003-10-10 | 2004-10-13 | 王立斌 | Special cutter of milling planing machine for road surface |
| CN201169740Y (en) * | 2007-12-28 | 2008-12-24 | 天津工程机械研究院 | Cutting tool of road surface mechanical cutter body with ridges |
-
2009
- 2009-04-21 CN CN2009101352350A patent/CN101597883B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1019359A (en) * | 1962-12-24 | 1966-02-02 | Papst Hermann | Boundary layer control means and method of producing the same |
| CN2647910Y (en) * | 2003-10-10 | 2004-10-13 | 王立斌 | Special cutter of milling planing machine for road surface |
| CN201169740Y (en) * | 2007-12-28 | 2008-12-24 | 天津工程机械研究院 | Cutting tool of road surface mechanical cutter body with ridges |
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| Publication number | Publication date |
|---|---|
| CN101597883A (en) | 2009-12-09 |
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