CN212384685U - Adjustable finish machining face milling cutter - Google Patents
Adjustable finish machining face milling cutter Download PDFInfo
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- CN212384685U CN212384685U CN202020612419.3U CN202020612419U CN212384685U CN 212384685 U CN212384685 U CN 212384685U CN 202020612419 U CN202020612419 U CN 202020612419U CN 212384685 U CN212384685 U CN 212384685U
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- tool holder
- accommodating cavity
- adjusting block
- adjustable
- positioning surface
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Abstract
The utility model discloses an adjustable finish machining face milling cutter, which comprises a cutter body, a cutting blade, an adjustable cutter holder, a blade clamping screw, an adjusting block, an adjusting stud screw and a cutter holder clamping screw; the tool body is at least provided with a tool holder accommodating cavity capable of accommodating an adjustable tool holder; the adjustable tool holder is respectively provided with a blade accommodating cavity, an adjusting block accommodating cavity and a tool holder screw accommodating cavity; the cutting blade is arranged in the blade accommodating cavity and is fixed by the blade clamping screw; the adjustable tool holder is arranged in a tool holder accommodating cavity of the tool body through a tool holder clamping screw; the adjusting block is arranged in the adjusting block accommodating cavity and is connected with the cutter body through an adjusting double-headed screw; the adjusting block accommodating cavity is a rectangular cavity with one open side; and is provided with a guide surface and a first positioning surface respectively, and the guide surface has a guide surface included angle which is not equal to 0 degree relative to the first positioning surface. The utility model has the characteristics of two-way equivalence is gradual, stable in structure, easy operation, reducible processing auxiliary time and realize the finish machining.
Description
Technical Field
The utility model relates to the technical field of cutters, especially, relate to an adjustable finish machining face milling cutter utensil.
Background
In the metal cutting processing industry, finish machining of face milling is a difficult point, the pursuit of high-requirement surface roughness is an important development direction of a cutting tool, and in order to achieve the purpose, the actual cutting tool is required to have high jumping requirement and stable precision retentivity, so that higher requirements are provided for tool manufacturing. Therefore, in order to reduce the difficulty of tool manufacturing, face milling finish machining tools are generally manufactured into adjustable structures.
In the metal milling industry, milling tools with modular tool holders have become very popular, and with the increasing precision of machining, it is often required to use milling tools with adjustable tool holders. Modular tool holders for such milling tools are usually made up of five parts, an insert locking unit, a tool holder body, a tool holder locking unit, an adjustable unit. The blade is made of hard materials, has a cutting edge and a certain mounting and positioning structure, and can be mounted and fixed on the tool holder body by depending on the positioning surface provided by the blade locking unit and the tool holder. The cutter holder body is fixed on the cutter body by the cutter holder positioning unit, and the position of the cutter holder can be adjusted within a certain range in a certain direction through the adjustable unit, so that the purpose of adjusting the position of the blade is achieved. In the cutting process, reducing the processing auxiliary time is one of the effective ways to improve the processing efficiency and reduce the cost, so whether the position of the blade can be quickly and accurately adjusted through the adjustable unit is very important.
Patent document CN1046228C discloses a cutting tool with an adjustable structure, wherein a movable tool seat embedded with a cutting insert is locked on a tool body by two screws, an eccentric adjusting screw is used as an adjusting structure, and the relative position between the eccentric adjusting screw and the movable tool seat is changed by the rotation of the eccentric adjusting screw, so that the movable tool seat is forced to displace along the axis direction of the tool, and the purpose of adjusting the jumping of the cutting insert is achieved. The adjusting structure can realize bidirectional adjustment, but due to the unique characteristic of the eccentric screw, the adjusting action of the cutter in the adjusting process cannot realize equivalent progressive adjustment, namely, the eccentric screw can not realize equivalent movement amount in the axial direction by rotating the same angle, so that the adjusting precision level of the adjusting structure cannot be estimated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide an adjustable finish machining face milling cutter, have that two-way equivalence is gradual, stable in structure, easy operation, reducible processing assistance time and realize the finish machining characteristics.
The utility model provides a technical scheme that its technical problem adopted is: an adjustable finish machining face milling cutter comprises a cutter body, a cutting blade, an adjustable cutter holder, a blade clamping screw, an adjusting block, an adjusting stud screw and a cutter holder clamping screw; the tool body is at least provided with a tool holder accommodating cavity capable of accommodating the adjustable tool holder; the adjustable tool holder is respectively provided with a blade accommodating cavity, an adjusting block accommodating cavity and a tool holder screw accommodating cavity; the cutting blade is arranged in the blade accommodating cavity and is fixed by the blade clamping screw; the adjustable tool holder is arranged in a tool holder accommodating cavity of the tool body through a tool holder clamping screw; the adjusting block is arranged in the adjusting block accommodating cavity and is connected with the cutter body through an adjusting double-headed screw; the adjusting block accommodating cavity is a rectangular cavity with one open side; one of two opposite cavity walls of the rectangular cavity is set as a guide surface, the other cavity wall is set as a first positioning surface matched with the adjusting block, and the guide surface has a guide surface included angle which is not equal to 0 degree relative to the first positioning surface.
In the adjustable tool holder, an adjusting block accommodating cavity is positioned below an insert accommodating cavity, and a tool holder screw accommodating cavity is positioned below the adjusting block accommodating cavity; the guide surface of the adjusting block accommodating cavity is arranged on the upper side, and the first positioning surface of the adjusting block accommodating cavity is arranged on the lower side.
In the adjustable tool holder, one surface opposite to the single-side opening of the adjusting block accommodating cavity is set as a second positioning surface matched with the tool body, and a clamping hole included angle which is not equal to 0 degree and used for the tool holder is formed between the axis of the screw hole used for the tool holder in the tool holder screw accommodating cavity and the second positioning surface in the adjustable tool holder.
The adjusting double-head screw is provided with two sections of threads, the rotating directions of the two sections of threads are the same, the thread pitches are different, one section of the threads of the adjusting double-head screw is connected with the adjusting block, and the other section of the threads of the adjusting double-head screw is connected with the cutter body.
The adjusting block accommodating cavity is also provided with a third positioning surface which is used for being matched with the adjusting block and is vertical to the first positioning surface; the adjusting block is respectively provided with a guide surface, a fourth positioning surface and a fifth positioning surface; the adjusting block is arranged in the adjusting block accommodating cavity through the matching of the guide surface of the adjusting block and the guide surface of the adjusting block accommodating cavity of the adjustable tool holder, and the positioning is realized through the matching of the fourth positioning surface and the fifth positioning surface of the adjusting block and the first positioning surface and the third positioning surface of the adjustable tool holder.
The included angle of the guide surface of the adjusting block accommodating cavity relative to the guide surface of the first positioning surface is alpha, and alpha is more than 0 and less than or equal to 30 degrees.
The included angle of the clamping hole for the tool holder between the axis of the screw hole for the tool holder in the tool holder screw accommodating cavity of the adjustable tool holder and the second positioning surface in the adjustable tool holder is beta, and beta is more than 0 and less than or equal to 30 degrees.
The adjusting block is provided with a double-end screw hole, and the adjusting double-end screw is matched in the double-end screw hole; the adjustable tool holder is provided with a sixth positioning surface matched with the tool body, the sixth positioning surface is approximately vertically intersected with the second positioning surface, and the axis of the double-head screw hole is intersected with the sixth positioning surface.
The adjustable tool holder is provided with a seventh positioning surface matched with the tool body, the seventh positioning surface is approximately vertically intersected with the second positioning surface and the sixth positioning surface respectively, and the axis of the screw hole for the tool holder is parallel to the seventh positioning surface.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model adopts the cutter body, the cutting blade, the adjustable cutter holder, the blade clamping screw, the adjusting block, the adjusting stud screw and the cutter holder clamping screw to form the adjustable finish machining face milling cutter; the tool body is at least provided with a tool holder accommodating cavity capable of accommodating the adjustable tool holder; the adjustable tool holder is respectively provided with a blade accommodating cavity, an adjusting block accommodating cavity and a tool holder screw accommodating cavity; the cutting blade is arranged in the blade accommodating cavity and is fixed by the blade clamping screw; the adjustable tool holder is arranged in a tool holder accommodating cavity of the tool body through a tool holder clamping screw; the adjusting block is arranged in the adjusting block accommodating cavity and is connected with the cutter body through an adjusting double-headed screw; the adjusting block accommodating cavity is a rectangular cavity with one open side; one of two opposite cavity walls of the rectangular cavity is set as a guide surface, the other cavity wall is set as a first positioning surface matched with the adjusting block, and the guide surface has a guide surface included angle which is not equal to 0 degree relative to the first positioning surface. The utility model discloses a this kind of structure has that two-way equivalence is gradual, stable in structure, easy operation, reducible processing auxiliary time and realize the finish machining characteristics.
The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the present invention is not limited to the embodiments.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a perspective view of an adjustable toolholder according to an embodiment of the invention;
FIG. 3 is a front view of an adjustable toolholder according to an embodiment of the invention;
FIG. 4 is a right side view of an adjustable toolholder according to an embodiment of the invention;
FIG. 5 is a bottom view of an adjustable toolholder according to an embodiment of the invention;
fig. 6 is a schematic perspective view of an adjusting block according to an embodiment of the present invention;
FIG. 7 is a cross-sectional view taken along line A-A of FIG. 6;
fig. 8 is a front view of an embodiment of the present invention;
fig. 9 is a sectional view taken along line B-B in fig. 8.
In the drawings, 1, a tool body: 2. a cutting insert; 3. an adjustable tool holder; 4. an insert clamping screw; 5. an adjusting block; 6. adjusting double-headed screws; 7. a toolholder clamping screw; 14. a tool holder accommodating cavity; 15. a blade accommodating cavity; 16. an adjusting block accommodating cavity; 17. a tool holder screw receiving cavity; 111a, sixth positioning surface: 111b and a second positioning surface; 111c and a seventh positioning surface; 112a, a first positioning surface; 112b and a third positioning surface; 113. the guide surface of the adjusting block accommodating cavity; 114a and a fourth positioning surface; 114b and a fifth positioning surface; 115. a guide surface of the adjusting block; c1, the axis of rotation of the tool body; c2, stud hole axis; c3, screw hole axis for tool holder; c4, insert screw hole axis; alpha, adjusting the included angle of the guide surface of the accommodating cavity of the block relative to the guide surface of the first positioning surface; beta, and the included angle of the clamping hole for the tool holder between the axis of the screw hole for the tool holder and the second positioning surface in the adjustable tool holder.
Detailed Description
Examples
Referring to fig. 1 to 9, the adjustable finish milling cutter of the present invention comprises a cutter body 1, a cutting insert 2, an adjustable cutter holder 3, an insert clamping screw 4, an adjusting block 5, an adjusting stud screw 6 and a cutter holder clamping screw 7; the tool body 1 is at least provided with a tool holder accommodating cavity 14 which can accommodate the adjustable tool holder; the adjustable tool holder 3 is respectively provided with an insert accommodating cavity 15, an adjusting block accommodating cavity 16 and a tool holder screw accommodating cavity 17; the cutting insert 2 is mounted in the insert receiving cavity 15 and fixed by the insert clamping screw 4; the adjustable tool holder 3 is arranged in a tool holder accommodating cavity 14 of the tool body 1 through a tool holder clamping screw 7; the adjusting block 5 is arranged in the adjusting block accommodating cavity 16 and is connected with the cutter body 1 through an adjusting stud 6.
As shown in fig. 2, the adjustable tool holder 3 is provided with a sixth positioning surface 111a, a second positioning surface 111b and a seventh positioning surface 111c, which are used for matching with the tool holder accommodating cavity 14 of the tool body, the second positioning surface 111b and the sixth positioning surface 111a are arranged on the side surface of the adjustable tool holder 3 and are approximately perpendicularly intersected, the seventh positioning surface 111c is arranged on the bottom surface of the adjustable tool holder 3, the seventh positioning surface 111c is approximately perpendicularly intersected with the second positioning surface 111b and the sixth positioning surface 111a, respectively, the adjustable tool holder 3 is tightly attached to the corresponding surface of the tool holder accommodating cavity 14 in the tool body 1 through the sixth positioning surface 111a, the second positioning surface 111b and the seventh positioning surface 111c, in the adjustable tool holder 3, the adjusting block accommodating cavity 16 is arranged below the insert accommodating cavity 15, and the tool holder screw accommodating cavity 17 is arranged below the adjusting block accommodating cavity 16; wherein the adjustment block receiving cavity 16 is a single-sided open rectangular cavity wherein the cutting insert 2 is fastened to the adjustable toolholder 3 by the insert clamping screw 4 in the direction of the insert screw hole axis C4.
As shown in fig. 3 and 4, one of two opposite chamber walls of the rectangular chamber of the adjusting block accommodating chamber 16 is set as a guide surface 113, the other chamber wall is set as a first positioning surface 112a for cooperating with the adjusting block 5, and the guide surface 113 has a guide surface included angle α different from 0 degree with respect to the first positioning surface 112a, and 0< α ≦ 30 °. The guide surface 113 of the adjusting block accommodating cavity is arranged above, and the first positioning surface 112a of the adjusting block accommodating cavity is arranged below; the adjusting block accommodating cavity 16 is further provided with a third positioning surface 112b which is used for matching with the adjusting block 5 and is vertical to the first positioning surface 112 a; the adjusting block accommodating cavity 16 is tightly matched with the corresponding surfaces of the adjusting block 5 through the first positioning surface 112a, the third positioning surface 112b and the guide surface 113 of the adjusting block 5.
As shown in fig. 5, the second positioning surface 111b is provided in a side opposite to the single-sided opening of the adjustment block receiving cavity 16, and a clamping hole angle β for the tool holder, which is not equal to 0 degrees, is provided between the screw hole axis C3 for the tool holder in the tool holder screw receiving cavity 17 and the second positioning surface 111b in the adjustable tool holder, wherein 0< β <30 °, and the angle β provides a fastening force in the locking direction for pressing the second positioning surface 111 b.
As shown in fig. 6 and 7, the adjusting block 5 is of a polygon-like structure, and the adjusting block 5 is provided with a guide surface 115, a fourth positioning surface 114a and a fifth positioning surface 114 b; the adjusting block 5 is arranged in the adjusting block accommodating cavity 16 through the matching of the guide surface 115 of the adjusting block and the guide surface 113 of the adjusting block accommodating cavity 16 of the adjustable tool holder, and the positioning is realized through the matching of the fourth positioning surface 114a and the fifth positioning surface 114b of the adjusting block 5 and the first positioning surface 112a and the third positioning surface 112b of the adjustable tool holder; wherein a guide surface included angle alpha is formed between the guide surface 115 of the adjusting block 5 and the fourth positioning surface 114a of the adjusting block, wherein 0< alpha <30 deg.
As shown in fig. 8 and 9, the adjustable tool holder 5 is screwed onto the adjustable tool holder by means of a tool holder clamping screw 7, the tool holder clamping tail being in threaded engagement with the tool body; the adjusting double-head screw 6 is used for tightly attaching the adjusting block 5 and the guide surface 113 of the adjusting tool holder 3 and the adjusting block positioning surfaces 112a and 112b and adjusting the tool holder 5 and the tool body 1 in a screw thread tightening and matching mode, wherein the adjusting double-head screw 6 has the same screw thread turning direction and different thread pitches of big and small heads, the screw thread matching with the adjusting block 5 is M5, the thread pitch is 1.0mm and the right hand, the screw thread matching with the tool body 1 is M4, and the thread pitch is 0.8mm and the right hand; if the adjusting stud 6 rotates clockwise one turn at an included angle α of 5.8 °, the adjusting block 5 will advance 1.0-0.8 to 0.2mm/r along the diameter decreasing direction of the tool body 1 because both the adjusting block and the guiding stud are rotated clockwise one turn at a pitch difference of two turns, the adjusting block 5 and the guiding surface 113 are tightly attached to each other, the displacement of the adjusting block 5 in the diameter direction of the tool body 1 is transmitted through the guiding surface, the tool holder screw receiving cavity 17 will generate the deformation in the height direction of the tool body 1, the deformation amount is 0.2 to 0.1 to 0.02mm/r, similarly, if the stud rotates counterclockwise, the adjusting block 5 will advance 1.0-0.8 to 0.2mm/r along the diameter increasing direction of the tool body 1, the deformed tool holder screw receiving cavity 17 will recover the deformation in the height direction of the tool body 1 due to the rigidity of the material itself, and the adjusting stud angle α is fixed because the pitch difference and the included angle α of the guiding stud are fixed, when the adjusting block 5 and the guide surface 113 are closely attached to each other, the deformation division value in the height direction of a single turn is 0.02mm/r, and the height increases clockwise and decreases counterclockwise. Through the two-way equivalence of adjustable cutter holder 3 upper cutter holder screw holding chamber 17 progressive for the rotation adjustment double-end screw 6 can be realized, easy operation's adjustment, simultaneously in the adjustment process, need not to loosen cutter holder clamping screw 7, the reducible processing auxiliary time of operation, under adjusting block 5 and the close laminating condition of spigot surface 113, the adjusting block provides stable holding power, so stable in structure.
The utility model discloses an adjustable finish machining face milling cutter, which adopts a cutter body 1, a cutting blade 2, an adjustable cutter holder 3, a blade clamping screw 4, an adjusting block 5, an adjusting stud 6 and a cutter holder clamping screw 7 to form the adjustable finish machining face milling cutter; the tool body 1 is at least provided with a tool holder accommodating cavity 14 for accommodating an adjustable tool holder; the adjustable tool holder 3 is respectively provided with an insert accommodating cavity 15, an adjusting block accommodating cavity 16 and a tool holder screw accommodating cavity 17; the cutting insert 2 is mounted in the insert receiving cavity 15 and fixed by the insert clamping screw 4; the adjustable tool holder 3 is mounted in a tool holder accommodating cavity 14 of the tool body 1 by a tool holder clamping screw 7; the adjusting block 5 is arranged in the adjusting block accommodating cavity 16 and is connected with the cutter body 1 through an adjusting double-headed screw 7; the adjusting block accommodating 16 cavity is a rectangular cavity with one open side; one of two opposite cavity walls of the rectangular cavity is set as a guide surface 113, the other cavity wall is set as a first positioning surface 112a for matching with the adjusting block, and the guide surface 113 has a guide surface included angle different from 0 degree relative to the first positioning surface 112 a. The utility model discloses a this kind of structure has that two-way equivalence is gradual, stable in structure, easy operation, reducible processing auxiliary time and realize the finish machining characteristics.
The foregoing is illustrative of the preferred embodiment of the present invention and is not to be construed as limiting the invention in any way. Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solutions disclosed above can be used by those skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the present invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (9)
1. An adjustable finish machining face milling cutter comprises a cutter body, a cutting blade, an adjustable cutter holder, a blade clamping screw, an adjusting block, an adjusting stud screw and a cutter holder clamping screw; the tool body is at least provided with a tool holder accommodating cavity capable of accommodating the adjustable tool holder; the method is characterized in that: the adjustable tool holder is respectively provided with a blade accommodating cavity, an adjusting block accommodating cavity and a tool holder screw accommodating cavity; the cutting blade is arranged in the blade accommodating cavity and is fixed by the blade clamping screw; the adjustable tool holder is arranged in a tool holder accommodating cavity of the tool body through a tool holder clamping screw; the adjusting block is arranged in the adjusting block accommodating cavity and is connected with the cutter body through an adjusting double-headed screw; the adjusting block accommodating cavity is a rectangular cavity with one open side; one of two opposite cavity walls of the rectangular cavity is set as a guide surface, the other cavity wall is set as a first positioning surface matched with the adjusting block, and the guide surface has a guide surface included angle which is not equal to 0 degree relative to the first positioning surface.
2. The adjustable finish face milling tool of claim 1, wherein: in the adjustable tool holder, an adjusting block accommodating cavity is positioned below an insert accommodating cavity, and a tool holder screw accommodating cavity is positioned below the adjusting block accommodating cavity; the guide surface of the adjusting block accommodating cavity is arranged on the upper side, and the first positioning surface of the adjusting block accommodating cavity is arranged on the lower side.
3. The adjustable finish face milling tool of claim 2, wherein: in the adjustable tool holder, one surface opposite to the single-side opening of the adjusting block accommodating cavity is set as a second positioning surface matched with the tool body, and a clamping hole included angle which is not equal to 0 degree and used for the tool holder is formed between the axis of the screw hole used for the tool holder in the tool holder screw accommodating cavity and the second positioning surface in the adjustable tool holder.
4. The adjustable finish face milling tool of claim 2, wherein: the adjusting double-head screw is provided with two sections of threads, the rotating directions of the two sections of threads are the same, the thread pitches are different, one section of the threads of the adjusting double-head screw is connected with the adjusting block, and the other section of the threads of the adjusting double-head screw is connected with the cutter body.
5. The adjustable finish face milling tool of claim 2, wherein: the adjusting block accommodating cavity is also provided with a third positioning surface which is used for being matched with the adjusting block and is vertical to the first positioning surface; the adjusting block is respectively provided with a guide surface, a fourth positioning surface and a fifth positioning surface; the adjusting block is arranged in the adjusting block accommodating cavity through the matching of the guide surface of the adjusting block and the guide surface of the adjusting block accommodating cavity of the adjustable tool holder, and the positioning is realized through the matching of the fourth positioning surface and the fifth positioning surface of the adjusting block and the first positioning surface and the third positioning surface of the adjustable tool holder.
6. The adjustable finish face milling tool of claim 2, wherein: the included angle of the guide surface of the adjusting block accommodating cavity relative to the guide surface of the first positioning surface is alpha, and alpha is more than 0 and less than or equal to 30 degrees.
7. The adjustable finish face milling tool of claim 3, wherein: the included angle of the clamping hole for the tool holder between the axis of the screw hole for the tool holder in the tool holder screw accommodating cavity of the adjustable tool holder and the second positioning surface in the adjustable tool holder is beta, and beta is more than 0 and less than or equal to 30 degrees.
8. The adjustable finish face milling tool of claim 3, wherein: the adjusting block is provided with a double-end screw hole, and the adjusting double-end screw is matched in the double-end screw hole; the adjustable tool holder is provided with a sixth positioning surface matched with the tool body, the sixth positioning surface is approximately vertically intersected with the second positioning surface, and the axis of the double-head screw hole is intersected with the sixth positioning surface.
9. The adjustable finish face milling tool of claim 8, wherein: the adjustable tool holder is provided with a seventh positioning surface matched with the tool body, the seventh positioning surface is approximately vertically intersected with the second positioning surface and the sixth positioning surface respectively, and the axis of the screw hole for the tool holder is parallel to the seventh positioning surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020612419.3U CN212384685U (en) | 2020-04-22 | 2020-04-22 | Adjustable finish machining face milling cutter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020612419.3U CN212384685U (en) | 2020-04-22 | 2020-04-22 | Adjustable finish machining face milling cutter |
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| CN212384685U true CN212384685U (en) | 2021-01-22 |
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| CN202020612419.3U Active CN212384685U (en) | 2020-04-22 | 2020-04-22 | Adjustable finish machining face milling cutter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116748601A (en) * | 2023-08-21 | 2023-09-15 | 成都航空职业技术学院 | Valve body machining equipment and machining method |
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2020
- 2020-04-22 CN CN202020612419.3U patent/CN212384685U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116748601A (en) * | 2023-08-21 | 2023-09-15 | 成都航空职业技术学院 | Valve body machining equipment and machining method |
| CN116748601B (en) * | 2023-08-21 | 2023-10-20 | 成都航空职业技术学院 | Valve body machining equipment and machining method |
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