CN213080092U - Adjustable cutter holder mechanism and machining cutter thereof - Google Patents
Adjustable cutter holder mechanism and machining cutter thereof Download PDFInfo
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- CN213080092U CN213080092U CN202021288193.2U CN202021288193U CN213080092U CN 213080092 U CN213080092 U CN 213080092U CN 202021288193 U CN202021288193 U CN 202021288193U CN 213080092 U CN213080092 U CN 213080092U
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Abstract
The utility model discloses an adjustable cutter holder mechanism and a processing cutter thereof, wherein the adjustable cutter holder mechanism comprises a cutter holder and an adjusting wedge block; one end of the tool holder is provided with a blade mounting groove, the other end of the tool holder is contacted with the adjusting wedge block, and the other end of the tool holder and two surfaces of the adjusting wedge block, which are contacted with each other, are respectively provided with mutually matched inclined surfaces; a positioning surface for matching the cutter body is arranged between one end and the other end of the cutter holder; and one of the two mutually contacted surfaces of the other end of the tool holder and the adjusting wedge block is provided with a boss protruding outwards, the other surface of the tool holder is provided with a groove recessed inwards, and the bosses and the grooves of the two surfaces are mutually matched. The utility model discloses can realize the blade along the axial of cutter and rise and the callback simply swiftly, and need not to loosen cutter holder locking screw, have the stable characteristics of blade regulation precision, can improve cutter body end jump regulation efficiency greatly.
Description
Technical Field
The utility model relates to a cutter technical field especially relates to an adjustable cutter holder mechanism of processing cutter and adopt processing cutter of this kind of cutter holder mechanism.
Background
In the field of cutting processing, the axial height of the blade on the cutter body is different due to the influence of the processing precision of the cutter body and the precision of the blade, so that in order to realize better processing surface quality, an independently adjustable cutter holder mechanism is arranged on the cutter body and used for adjusting the height difference between the blades, and the cutter body has a smaller end face run-out value, so that a surface with higher quality can be processed. In the prior art, the tool holder and the adjusting block are matched to realize adjustment, the adjusting block and the tool holder are provided with inclined planes which are mutually attached, and when the adjusting block moves towards the radial direction of the tool, the tool holder is pushed in the axial direction through the inclined planes, so that the end jump of the tool holder is adjusted. However, an important drawback of such tool holder adjustment mechanisms is that the tool holder has no way of achieving a reverse set back when adjusting the insert position if the tool holder is raised beyond a predetermined position. To bring the insert to the predetermined position, the toolholder locking screw is loosened, the adjustment block is then returned to the initial position, the toolholder is lowered, and the toolholder is raised by moving the adjustment block again while the toolholder screw is locked. The tool is therefore particularly difficult and time consuming to adjust for run-out, and requires some inadvertent readjustment, which is particularly significant when more tool holders are to be adjusted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide an adjustable cutter holder mechanism and processing cutter thereof, can realize the blade along the axial of cutter and rise and the callback simply and swiftly, and need not to loosen cutter holder locking screw, have the characteristics that blade regulation precision is stable, can improve cutter body end jump regulation efficiency greatly.
The utility model provides a technical scheme that its technical problem adopted is: an adjustable tool holder mechanism includes a tool holder and an adjustment wedge; one end of the tool holder is provided with a blade mounting groove, the other end of the tool holder is contacted with the adjusting wedge block, and the other end of the tool holder and two surfaces of the adjusting wedge block, which are contacted with each other, are respectively provided with mutually matched inclined surfaces; a positioning surface for matching the cutter body is arranged between one end and the other end of the cutter holder; one of two mutually contacted surfaces of the other end of the tool holder and the adjusting wedge block is provided with a boss protruding outwards, the other surface is provided with a groove sinking inwards, and the bosses and the grooves of the two surfaces are mutually matched; the two sides of the boss are set to be inclined wall surfaces, the width of the boss is gradually increased from the root part of the boss to the tail end direction, the two sides of the groove are set to be inclined groove walls correspondingly matched with the inclined wall surfaces of the boss, and the width of the groove is gradually reduced from the groove bottom to the direction of the groove opening.
The surface of the other end of the tool holder, which is in contact with the adjusting wedge block, is a supporting surface, and the boss is arranged on the supporting surface of the tool holder; the recess is provided in a face of the adjustment wedge that contacts the toolholder.
A processing cutter comprises the adjustable cutter holder mechanism, a cutter body and a cutting blade, wherein a plurality of blade mounting grooves are formed in the periphery of one end of the cutter body, and at least one blade mounting groove in the plurality of blade mounting grooves is formed as a cutter holder mounting groove; the tool holder and the adjusting wedge are matched in the tool holder mounting groove; the cutting insert is fixed in an insert mounting pocket of the tool holder by a first locking screw.
The positioning surface of the tool holder comprises a first side wall and a second side wall which are connected with each other; the tool holder mounting groove of the tool body is provided with a third side wall and a fourth side wall which are correspondingly matched with the first side wall and the second side wall of the tool holder.
The first side wall and the second side wall have an included angle ranging between 30 ° and 150 °.
In the tool holder, one surface opposite to the first side wall is a locking surface; the tool holder is provided with a tool holder mounting hole penetrating through the first side wall and the locking surface; the third side wall of the cutter holder mounting groove of the cutter body is provided with a first threaded hole, and the cutter holder is mounted in the cutter holder mounting groove of the cutter body through a second locking screw.
The adjusting wedge block is provided with an adjusting threaded hole which is in the same direction as the tool holder mounting hole of the tool holder; and a second threaded hole is formed in the third side wall of the cutter holder installation groove of the cutter body, and the adjusting wedge block is installed in the cutter holder installation groove of the cutter body through an adjusting screw.
The adjusting screw has a first threaded portion that mates with the adjusting threaded bore of the adjusting wedge and a second threaded portion that mates with the second threaded bore of the toolholder mounting slot of the cutter body.
The first threaded portion and the second threaded portion of the adjustment screw have different pitches.
And the plurality of blade mounting grooves of the cutter body are respectively and directly locked with corresponding cutting blades.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model adopts the structure that one surface of the two surfaces which are mutually contacted with each other, namely the other end of the tool holder and the adjusting wedge block, is provided with a boss which protrudes outwards, the other surface is provided with a groove which is recessed inwards, and the bosses and the grooves of the two surfaces are mutually matched; the two sides of the boss are set to be inclined wall surfaces, the width of the boss is gradually increased from the root part of the boss to the tail end direction, the two sides of the groove are set to be inclined groove walls correspondingly matched with the inclined wall surfaces of the boss, and the width of the groove is gradually reduced from the groove bottom to the direction of the groove opening. The structure of the utility model changes the position of the adjusting wedge block by adjusting the screwed adjusting screw so as to push the position of the tool holder, and then the adjusting wedge block can return by reversely adjusting the adjusting screw, and the motion of the adjusting wedge block can pull the tool holder by the matching of the lug boss and the groove so as to realize the function of adjusting back; because boss and recess are inseparable contact cooperation, so can realize accurate displacement transmission to reach and need not to loosen the cutter holder locking screw and just can realize accurate blade positioning adjustment. Therefore, the utility model discloses can realize the blade along the axial of cutter and rise and the callback simply swiftly, and need not to loosen cutter holder locking screw, have the characteristics that the blade adjusting accuracy is stable, can improve cutter body end jump adjusting efficiency greatly.
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 of the adjustable tool holder mechanism and the machining tool thereof.
Drawings
Fig. 1 is a schematic perspective view of a machining tool according to an embodiment of the present invention;
fig. 2 is a partial configuration diagram of a machining tool according to an embodiment of the present invention;
fig. 3 is a partial configuration sectional view of a machining tool according to an embodiment of the present invention;
fig. 4 is a partial configuration schematic view of a cutter body of an embodiment of the present invention;
FIG. 5 is a perspective view of an adjustable toolholder mechanism according to an embodiment of the invention;
FIG. 6 is a perspective view of a toolholder according to an embodiment of the invention;
fig. 7 is a perspective view (reverse side) of the holder according to the embodiment of the present invention;
fig. 8 is a schematic perspective view of an adjusting wedge according to an embodiment of the present invention.
In the figure, 1, a cutter body; 11. a blade mounting groove of the cutter body; 12. a tool holder mounting groove; 121. a third side wall of the tool holder mounting groove; 122. a fourth side wall of the tool holder mounting groove; 13. a first threaded hole; 14. a second threaded hole; 2. a tool holder; 21. an insert mounting pocket of the tool holder; 22. a locating surface of the tool holder; 221. a first side wall of the tool holder; 222. a second side wall of the tool holder; 23. a support surface of the tool holder; 24. a boss of the tool holder; 241. a bevel wall surface of the tool holder; 242. another inclined wall surface of the tool holder; 25. a locking surface of the tool holder; 26. a tool holder mounting hole of the tool holder; 3. adjusting the wedge block; 31. adjusting a groove of the wedge block; 311. a chute wall of the groove of the adjusting wedge block; 312. the other chute wall of the groove of the adjusting wedge block; 32. the surface of the adjusting wedge block, which is contacted with the tool holder; 33. adjusting the threaded hole by the adjusting wedge block; 4. a cutting insert; 51. a first locking screw; 52. a second locking screw; 53. and adjusting the screw.
Detailed Description
Examples
Referring to fig. 1 to 8, the adjustable tool holder mechanism of the present invention is mounted on a tool body 1 of a machining tool, and includes a tool holder 2 and an adjusting wedge 3; an insert mounting groove 21 is formed in one end of the tool holder 2, the other end of the tool holder 2 is in contact with the adjusting wedge 3, two mutually-contacted surfaces of the other end of the tool holder 2 and the adjusting wedge 3 are respectively provided with mutually-matched inclined surfaces, and the tool holder 2 and the adjusting wedge 3 can move relatively along the mutually-contacted surfaces; a positioning surface 22 for matching the cutter body 1 is arranged between one end and the other end of the cutter holder 2, and the positioning surface 22 is used for supporting the cutter holder 2 against the cutter body 1; one of two mutually contacted surfaces of the other end of the tool holder 2 and the adjusting wedge block 3 is provided with a convex plate protruding outwards, the other surface is provided with a concave groove sinking inwards, and the convex plates and the concave grooves of the two surfaces are mutually matched; in this embodiment, the tool holder 2 is provided with a boss 24, and the adjusting wedge 3 is provided with a groove 31; the surface of the other end of the tool holder 2 contacting the adjusting wedge is a supporting surface 23 for supporting the tool holder 2, and the boss 24 is arranged at the supporting surface 23 of the tool holder 2; the recess 31 is provided in a surface 32 of the adjusting wedge 3 that is in contact with the holder.
In this embodiment, the two sides of the boss 24 are set as inclined wall surfaces 241 and 242, i.e. forming a certain angle with the support surface 23, which is 80 ° in this embodiment, and the width of the boss 24 (i.e. the width of the cross section) is gradually increased from the boss root to the end direction, the two sides of the groove 31 are set as inclined groove walls 311 and 312 correspondingly matched with the inclined wall surfaces of the boss, and the width of the groove 31 is gradually reduced from the groove bottom to the groove opening direction.
The utility model discloses a processing cutter, including adjustable cutter holder mechanism, cutter body 1 and cutting blade 4 as above-mentioned, the periphery of one end of cutter body 1 is equipped with a plurality of blade mounting grooves 11, have at least one blade mounting groove to establish as cutter holder mounting groove 12 in a plurality of blade mounting grooves; the holder 2 and the adjusting wedge 3 are fitted in the holder mounting groove 12; the cutting insert 4 is fixed in the insert mounting groove 21 of the holder 2 by a first locking screw 51.
In this embodiment, the positioning surface 22 of the holder 2 comprises a first side wall 221 and a second side wall 222 which are connected with each other; the holder mounting groove 12 of the cutter body 1 is provided with third and fourth sidewalls 121 and 122 which are correspondingly fitted to the first and second sidewalls 221 and 222 of the holder.
In this embodiment, the included angle between the first sidewall 221 and the second sidewall 222 is 90 °.
In the present embodiment, in the holder 2, a surface opposite to the first side wall 221 is a locking surface 25 (i.e., a radial locking surface with respect to the tool body); the tool holder 2 is provided with a tool holder mounting hole 26 penetrating through the first side wall 221 and the locking surface 25; the third side wall 121 of the holder mounting groove 12 of the cutter body 1 is provided with a first screw hole 13, and the holder 2 is mounted in the holder mounting groove 12 of the cutter body 1 by a second locking screw 52; the locking direction C of the second locking screw 52 intersects the first side wall 221 in the positioning surface and is parallel to the support surface 23.
In the present embodiment, the adjusting wedge 3 is provided with an adjusting threaded hole 33 in the same direction as the holder mounting hole 26 of the holder 2; the third side wall 121 of the holder mounting groove 12 of the cutter body 1 is provided with a second threaded hole 14, and the adjusting wedge 3 is mounted in the holder mounting groove 12 of the cutter body 1 by an adjusting screw 53.
In this embodiment, the adjustment screw 53 has a first threaded portion 531 and a second threaded portion 532, the first threaded portion 531 of the adjustment screw 53 is engaged with the adjustment threaded hole 33 of the adjustment wedge 3, and the second threaded portion 532 of the adjustment screw 53 is engaged with the second threaded hole 14 of the holder mounting groove 12 of the cutter body 1.
In this embodiment, the first and second threaded portions 531 and 532 of the adjustment screw 53 have different pitches.
In this embodiment, the plurality of insert mounting slots 11 of the cutter body 1 are directly locked with corresponding cutting inserts 4, respectively.
The utility model discloses an adjustable cutter holder mechanism and processing cutter thereof, during the assembly, lock into cutting blade 4 earlier on cutter holder 2's blade mounting groove 21, then with the boss 24 on cutter holder 2's the holding surface 23 in the recess 31 of sliding into regulation voussoir 3, pack into cutter holder 2 and regulation voussoir 3 into the cutter holder constant head tank 12 on the cutter body 1 together again. The adjusting screw 53 is then screwed into the adjusting wedge 3 such that the first and second threaded portions 531, 532 of the adjusting screw 53 engage the adjusting threaded hole 33 of the adjusting wedge 3 and the second threaded hole 14 of the cutter body 1, respectively. The second locking screw 52 is then screwed into the first threaded hole 13 of the holder 2 with a predetermined torque. The position of the adjusting wedge block 3 is changed by adjusting the screwed adjusting screw 53 so as to push the position of the tool holder 2, the adjusting wedge block 3 can return by reversely adjusting the adjusting screw 53, and the movement of the adjusting wedge block 3 can pull the tool holder 2 by the matching of the boss 24 and the groove 31 so as to realize the function of adjusting back.
The utility model discloses an adjustable cutter holder mechanism and a processing cutter thereof, which adopts the structure that one surface 23 is provided with a convex boss 24 which is outwards protruded, the other surface 32 is provided with a concave groove 31 which is inwards sunken, and the bosses 24 and the concave grooves 31 of the two surfaces are mutually matched in the other end of a cutter holder 2 and two mutually contacted surfaces of an adjusting wedge block 3; the two sides of the boss 24 are set as inclined wall surfaces 241, 242, and the width of the boss 24 is gradually increased from the boss root to the tail end, the two sides of the groove 31 are set as inclined groove walls 311, 312 correspondingly matched with the inclined wall surfaces of the boss, and the width of the groove 31 is gradually reduced from the groove bottom to the groove opening. The structure of the utility model changes the position of the adjusting wedge block 3 by adjusting the screwed adjusting screw 53 so as to push the position of the tool holder 2, and then the adjusting wedge block 3 can return by reversely adjusting the adjusting screw 53, and the movement of the adjusting wedge block 3 can pull the tool holder 2 by the cooperation of the boss 24 and the groove 31 so as to realize the function of adjusting back; because boss 24 and recess 31 are the close contact cooperation, so can realize accurate displacement transmission to reach and need not to loosen the cutter holder locking screw and just can realize accurate blade positioning adjustment. Therefore, the utility model discloses can realize the blade along the axial of cutter and rise and the callback simply swiftly, and need not to loosen cutter holder locking screw, have the characteristics that the blade adjusting accuracy is stable, can improve cutter body end jump adjusting efficiency greatly.
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 (10)
1. An adjustable tool holder mechanism includes a tool holder and an adjustment wedge; one end of the tool holder is provided with a blade mounting groove, the other end of the tool holder is contacted with the adjusting wedge block, and the other end of the tool holder and two surfaces of the adjusting wedge block, which are contacted with each other, are respectively provided with mutually matched inclined surfaces; a positioning surface for matching the cutter body is arranged between one end and the other end of the cutter holder; the method is characterized in that: one of two mutually contacted surfaces of the other end of the tool holder and the adjusting wedge block is provided with a boss protruding outwards, the other surface is provided with a groove sinking inwards, and the bosses and the grooves of the two surfaces are mutually matched; the two sides of the boss are set to be inclined wall surfaces, the width of the boss is gradually increased from the root part of the boss to the tail end direction, the two sides of the groove are set to be inclined groove walls correspondingly matched with the inclined wall surfaces of the boss, and the width of the groove is gradually reduced from the groove bottom to the direction of the groove opening.
2. The adjustable toolholder mechanism according to claim 1, wherein: the surface of the other end of the tool holder, which is in contact with the adjusting wedge block, is a supporting surface, and the boss is arranged on the supporting surface of the tool holder; the recess is provided in a face of the adjustment wedge that contacts the toolholder.
3. A machining tool, characterized by: the adjustable tool holder mechanism according to claim 1 or 2, a tool body and a cutting insert, wherein a plurality of insert mounting grooves are formed in the periphery of one end of the tool body, and at least one of the insert mounting grooves is formed as a tool holder mounting groove; the tool holder and the adjusting wedge are matched in the tool holder mounting groove; the cutting insert is fixed in an insert mounting pocket of the tool holder by a first locking screw.
4. The machine tool of claim 3, wherein: the positioning surface of the tool holder comprises a first side wall and a second side wall which are connected with each other; the tool holder mounting groove of the tool body is provided with a third side wall and a fourth side wall which are correspondingly matched with the first side wall and the second side wall of the tool holder.
5. The machine tool of claim 4, wherein: the first side wall and the second side wall have an included angle ranging between 30 ° and 150 °.
6. The machine tool of claim 4, wherein: in the tool holder, one surface opposite to the first side wall is a locking surface; the tool holder is provided with a tool holder mounting hole penetrating through the first side wall and the locking surface; the third side wall of the cutter holder mounting groove of the cutter body is provided with a first threaded hole, and the cutter holder is mounted in the cutter holder mounting groove of the cutter body through a second locking screw.
7. The machine tool of claim 6, wherein: the adjusting wedge block is provided with an adjusting threaded hole which is in the same direction as the tool holder mounting hole of the tool holder; and a second threaded hole is formed in the third side wall of the cutter holder installation groove of the cutter body, and the adjusting wedge block is installed in the cutter holder installation groove of the cutter body through an adjusting screw.
8. The machine tool of claim 7, wherein: the adjusting screw has a first threaded portion that mates with the adjusting threaded bore of the adjusting wedge and a second threaded portion that mates with the second threaded bore of the toolholder mounting slot of the cutter body.
9. The machine tool of claim 8, wherein: the first threaded portion and the second threaded portion of the adjustment screw have different pitches.
10. The machine tool of claim 3, wherein: and the plurality of blade mounting grooves of the cutter body are respectively and directly locked with corresponding cutting blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021288193.2U CN213080092U (en) | 2020-06-30 | 2020-06-30 | Adjustable cutter holder mechanism and machining cutter thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021288193.2U CN213080092U (en) | 2020-06-30 | 2020-06-30 | Adjustable cutter holder mechanism and machining cutter thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213080092U true CN213080092U (en) | 2021-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021288193.2U Active CN213080092U (en) | 2020-06-30 | 2020-06-30 | Adjustable cutter holder mechanism and machining cutter thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213080092U (en) |
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2020
- 2020-06-30 CN CN202021288193.2U patent/CN213080092U/en active Active
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