CN219520519U - Cutter capable of adjusting angle of cutter grain - Google Patents
Cutter capable of adjusting angle of cutter grain Download PDFInfo
- Publication number
- CN219520519U CN219520519U CN202321164251.4U CN202321164251U CN219520519U CN 219520519 U CN219520519 U CN 219520519U CN 202321164251 U CN202321164251 U CN 202321164251U CN 219520519 U CN219520519 U CN 219520519U
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- adjusting
- rotating shaft
- angle
- cutter
- clamping
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Abstract
The utility model discloses a cutter capable of adjusting the angle of a cutter grain, and relates to the technical field of numerical control cutters, comprising a cutter bar, a connecting part, the cutter grain and an adjusting bolt; the cutter bar is connected with a central rotating shaft, and a first screw hole, a positioning rotating shaft and a plurality of angle adjusting blocks are formed in the central rotating shaft; the connecting part is provided with a tool holder and an adjusting piece, a first fixing hole, a rotating shaft groove and a plurality of positioning grooves are formed in the adjusting side face of the adjusting piece, when the angle of a tool grain needs to be adjusted, the adjusting bolt is unscrewed, so that the angle adjusting block can be separated from the positioning grooves, then the adjusting piece is rotated to a corresponding angle, then the angle adjusting block is clamped into the corresponding positioning groove, and finally the adjusting bolt is screwed; through setting up central pivot and connecting portion, when adjusting the angle of sword grain, the angle of rotatable regulation is great, and through the mutual butt cooperation of a plurality of angle adjusting blocks and the inner wall of a plurality of constant head tanks, the regulating part is difficult for carrying out the skew on the rotation direction, and is whole more firm.
Description
Technical Field
The utility model relates to the technical field of numerical control cutters, in particular to a cutter capable of adjusting the angle of a cutter grain.
Background
Numerical control cutters are tools used in machining, also known as cutting tools. A broad sense of cutting tools includes both cutters and abrasive tools; meanwhile, the numerical control cutter comprises a cutter bar, a locking bolt and other parts besides the cutter particles for cutting.
In the traditional numerical control cutter, the cutter grains are mainly locked on cutter grain grooves on the cutter bar through locking bolts, the angles of the cutter grains and the cutter bar are unchanged, and in the process of precisely machining parts by adopting a precise machine tool, the installation angle of the cutter grains of the cutter is sometimes required to be adjusted.
Therefore, the utility model patent application with publication number of CN115070073A provides an angle-adjustable scraper for conical surface turning and a using method thereof, when a spanner is used for rotating an eccentric adjusting pin, the large end of the eccentric adjusting pin moves in a kidney-shaped sliding groove of a cutter handle, and meanwhile, the small end of the eccentric adjusting pin drives a cutter holder to rotate around the axis of a second mounting hole of a cutter blade, so that the function of adjusting the main deflection angle is achieved. Although the angle of the blade can be adjusted by the adjusting mode, the adjustable angle of the blade is limited in practice, particularly when the first connecting piece and the first mounting hole are provided, the movable space of the first connecting piece in the first mounting hole is limited, and the adjustable angle of the blade is further limited. While the first connecting member serves as a means for further stabilization, removal of the first connecting member, while being able to increase the range of partial angular adjustment, necessarily results in a decrease in its stability.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a technical scheme capable of solving the problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a cutter capable of adjusting the angle of a cutter grain comprises a cutter bar, a connecting part, the cutter grain and an adjusting bolt; the front end of the cutter bar is connected with a central rotating shaft, one end surface of the central rotating shaft is formed with a plurality of angle adjusting blocks which are arranged at intervals along the circumferential direction of the central rotating shaft, a convex positioning rotating shaft is formed on the end surface of the central rotating shaft, the axis of the positioning rotating shaft coincides with the axis of the central rotating shaft, and a first screw hole which penetrates through the central rotating shaft and the positioning rotating shaft is formed on the cutter bar; the front end of the connecting part is provided with a cutter holder for mounting cutter grains; the rear end of the connecting part is formed with an adjusting piece, the adjusting piece is provided with an adjusting side surface corresponding to the end surface of the angle adjusting block on the central rotating shaft, the adjusting side surface is formed with positioning grooves matched with the angle adjusting blocks one by one, the adjusting side surface is also formed with a rotating shaft groove matched with the positioning rotating shaft, and one side of the adjusting piece opposite to the adjusting side surface is formed with a first fixing hole communicated with the rotating shaft groove; the adjusting bolt passes through the first fixing hole and then is connected to the first screw hole in a threaded manner.
As a further scheme of the utility model: the depth of the rotating shaft groove is larger than that of the positioning groove, the length of the positioning rotating shaft corresponds to that of the rotating shaft groove, and the height of the angle adjusting block corresponds to that of the positioning groove.
As a further scheme of the utility model: the tool holder comprises a clamping bolt and two clamping fingers which are parallel to each other; one end of each clamping finger is connected with the connecting part, a clamping space capable of placing knife grains is formed between the two clamping fingers, a second fixing hole facing the other clamping finger is formed in one clamping finger, and a second screw hole corresponding to the second fixing hole is formed in the other clamping finger; the clamping bolt passes through the second fixing hole and is then screwed on the second screw hole for adjusting the size of the clamping space.
As a further scheme of the utility model: the knife grain is clamped at one end of the clamped finger far away from the connecting part.
As a further scheme of the utility model: the clamping direction of the two clamping fingers is the thickness direction of the cutter grain.
As a further scheme of the utility model: at least one of the clamping fingers is formed with a pocket for preventing the knife from shifting.
Compared with the prior art, the utility model has the following beneficial effects:
firstly, when the angle of the cutter grain needs to be adjusted, the angle adjusting block can be separated from the positioning groove by unscrewing the adjusting bolt, then the adjusting piece is rotated to a corresponding angle, after the angle is adjusted, the angle adjusting block is clamped into the corresponding positioning groove, and finally the adjusting bolt is screwed down, so that the adjusting block is fastened on the central rotating shaft; through setting up central pivot and connecting portion, when adjusting the angle of sword grain, rotatable angle of adjustment is great, and through the mutual butt cooperation of a plurality of angle adjustment blocks and the inner wall of a plurality of constant head tanks, forms each other and hugs to make the regulating part be difficult for carrying out the skew in the rotation direction, whole more firm;
secondly, the cutter can be suitable for clamping cutter grains in a certain size range by adjusting the size of the clamping space so as to clamp the cutter grains; taking the direction of clamping as an example, the thickness direction of the cutter grain is the thickness direction of the cutter grain, the mode of clamping the cutter grain can be suitable for clamping the cutter grain with a certain thickness range, the size of the clamping space can be adjusted, the applicability is better, and the cutter grain to be clamped does not need to be perforated in a traditional mode.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged schematic view of a partial structure at A in FIG. 1;
FIG. 3 is a schematic view of the structure of the center shaft of the present utility model;
fig. 4 is a schematic structural view of the regulating member in the present utility model.
Reference numerals and names in the drawings are as follows:
a cutter bar-1, a connecting part-2, cutter grains-3, an adjusting bolt-4,
a central rotating shaft-11, an angle adjusting block-101, a positioning rotating shaft-102, a first screw hole-103,
the tool comprises a tool holder-21, an adjusting piece-22, an adjusting side face-201, a positioning groove-202, a rotating shaft groove-203, a first fixing hole-204, a clamping finger-205, a clamping space-206, a second screw hole-207, an accommodating groove-208 and a clamping bolt-209.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, a cutter with adjustable angle of cutter particles comprises a cutter bar 1, a connecting part 2, cutter particles 3, an adjusting bolt 4 and a clamping bolt 209.
The front end of the cutter bar 1 is connected with a central rotating shaft 11, and the axial direction of the central rotating shaft 11 is perpendicular to the length direction of the cutter bar 1. A plurality of angle adjusting blocks 101 are formed on one end face of the central rotating shaft 11 at intervals along the circumferential direction, and a convex positioning rotating shaft 102 is also formed on the end face of the central rotating shaft 11 with the angle adjusting blocks 101. The axis of the positioning rotating shaft 102 coincides with the axis of the central rotating shaft 11, and the positioning rotating shaft 102 is located at the center of a graph surrounded by a plurality of angle adjusting blocks.
The cutter bar is also provided with a first screw hole 103 penetrating through the central rotating shaft 11 and the positioning rotating shaft 102, the depth direction of the first screw hole 103 is the same as the axial direction of the central rotating shaft 11 and the axial direction of the positioning rotating shaft 102, and the axis of the first screw hole 103 coincides with the axis of the central rotating shaft 11 and the axis of the positioning rotating shaft 102.
The front end of the connecting part 2 is provided with a tool holder 21 for mounting the tool 3, and the rear end of the connecting part 2 is formed with an adjusting member 22.
The adjusting member 22 has an adjusting side 201 corresponding to the end face of the center rotating shaft 11 having the angle adjusting block 101 and the positioning rotating shaft 102, and positioning grooves 202 are formed in the adjusting side 201 to be in one-to-one fit with the plurality of angle adjusting blocks 101. The adjusting side 201 is further formed with a shaft groove 203 that cooperates with the positioning shaft 102.
The adjusting member 22 is formed with a first fixing hole 204 on a side opposite to the adjusting side 201, the first fixing hole 204 is connected to the rotating shaft groove 203, the length direction of the first fixing hole 204 is the same as the axial direction of the central rotating shaft 11 and the axial direction of the positioning rotating shaft 102, and the axis of the first fixing hole 204 coincides with the axis of the central rotating shaft 11 and the axis of the positioning rotating shaft 102.
The adjusting bolt 4 is screwed on the first screw hole 103 after passing through the first fixing hole 204, and is used for connecting the central rotating shaft 11 and the adjusting piece 22. Specifically, the positioning rotating shaft 102 is first inserted into the rotating shaft groove 203, the angle adjusting block 101 is clamped into the corresponding positioning groove 202, so that the connecting portion 2 is positioned at a desired angle, then the threaded portion of the adjusting bolt 4 passes through the first fixing hole 204 and is then screwed onto the first screw hole 103, and the nut of the adjusting bolt 4 is fastened on the central rotating shaft 11 by screwing the adjusting bolt 4.
The holder 21 comprises two clamping fingers 205 parallel to each other, one end of the clamping fingers 205 being connected to the connection part 2. A clamping space 206 into which the cutter grain 3 can be placed is formed between the two clamping fingers, wherein a second fixing hole facing the other clamping finger is formed on one clamping finger, and a second screw hole 207 corresponding to the second fixing hole is formed on the other clamping finger.
The clamping bolt 209 is screwed on the second screw hole 207 through the second fixing hole for adjusting the size of the clamping space 206. Specifically, a part of the cutter grain 3 is placed in the clamping space 206, the cutting edge of the cutter grain 3 is located outside the clamping space 206, then the part with threads on the clamping bolt 209 passes through the second fixing hole and is then screwed on the second screw hole 207, and by screwing the clamping bolt 209, under the abutting of the nuts of the clamping bolt 209, two clamping fingers are close to each other, so that the clamping space 206 is gradually reduced, and the cutter grain 3 is clamped.
The above-described manner of clamping the insert 3 by adjusting the size of the clamping space 206 can be adapted to the clamping of an insert in a range of sizes. Taking the direction of clamping as the thickness direction of the cutter grain 3 as an example, the mode of clamping the cutter grain can be suitable for clamping the cutter grain with a certain thickness range, the size of the clamping space 206 can be adjusted, the applicability is better, and the clamped cutter grain does not need to be perforated in a traditional mode.
It should be noted that, after passing through the second fixing hole and before screwing onto the second screw hole 207, the clamping bolt 4 passes through the clamping space 206, and the clamping space 206 is continuously reduced when the clamping bolt 209 is continuously tightened. The clamping fingers can be elastically bent to a certain extent in the clamping direction so that the clamping space is gradually restored to the maximum when the clamping bolt is gradually unscrewed.
Preferably, the insert 3 is clamped at the end of the clamped finger remote from the connecting portion, and the clamping bolt 4 is located between the connecting portion 2 and the insert 3 in 3-dimensional space.
The number of the clamping bolts 4 shown in fig. 1 is two, and different numbers of the clamping bolts, and corresponding numbers of the second fixing holes and the second screw holes can be set according to practical situations.
Preferably, at least one of the clamping fingers is formed with a receiving groove 208 for preventing the movement of the cutter grain 3, so that the cutter grain 3 is not easily moved when the workpiece is processed by the cutter.
The depth of the rotating shaft groove 203 is preferably larger than the depth of the positioning groove 202, the length of the positioning rotating shaft 102 corresponds to the depth of the rotating shaft groove 203, and the height of the angle adjusting block 101 corresponds to the depth of the positioning groove 202. When the angle adjusting block 101 is separated from the positioning groove 202 along the axial direction of the central rotating shaft 11, the positioning rotating shaft 102 can be further positioned in the rotating shaft groove 203, and the rotation adjustment is performed by the rotation fit of the positioning rotating shaft 102 and the rotating shaft groove 203, so that the adjustment is more convenient.
When the angle of the cutter grain 3 needs to be adjusted, the angle adjusting block 101 can be separated from the positioning groove by unscrewing the adjusting bolt 4, then the adjusting piece 22 is rotated to a corresponding angle, after the angle is adjusted, the angle adjusting block 101 is clamped into the corresponding positioning groove, and finally the adjusting bolt 4 is screwed down, so that the adjusting piece 22 is fastened on the central rotating shaft 11.
Through setting up central pivot 11 and connecting portion 2, when adjusting the angle of cutter grain 3, rotatable angle of adjustment is great, and through the mutual butt cooperation of a plurality of angle adjusting block 101 and the inner wall of a plurality of constant head tanks 202, forms each other and hugs to make regulating part 22 be difficult for carrying out the ascending skew of rotation direction, whole more firm.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The cutter capable of adjusting the angle of the cutter grain is characterized by comprising a cutter bar, a connecting part, the cutter grain and an adjusting bolt;
the front end of the cutter bar is connected with a central rotating shaft, one end surface of the central rotating shaft is formed with a plurality of angle adjusting blocks which are arranged at intervals along the circumferential direction of the central rotating shaft, a convex positioning rotating shaft is formed on the end surface of the central rotating shaft, the axis of the positioning rotating shaft coincides with the axis of the central rotating shaft, and a first screw hole which penetrates through the central rotating shaft and the positioning rotating shaft is formed on the cutter bar;
the front end of the connecting part is provided with a cutter holder for mounting cutter grains;
the rear end of the connecting part is formed with an adjusting piece, the adjusting piece is provided with an adjusting side surface corresponding to the end surface of the angle adjusting block on the central rotating shaft, the adjusting side surface is formed with positioning grooves matched with the angle adjusting blocks one by one, the adjusting side surface is also formed with a rotating shaft groove matched with the positioning rotating shaft, and one side of the adjusting piece opposite to the adjusting side surface is formed with a first fixing hole communicated with the rotating shaft groove;
the adjusting bolt passes through the first fixing hole and then is connected to the first screw hole in a threaded manner.
2. The cutter with adjustable cutter grain angle according to claim 1, wherein the depth of the rotating shaft groove is larger than the depth of the positioning groove, the length of the positioning rotating shaft corresponds to the depth of the rotating shaft groove, and the height of the angle adjusting block corresponds to the depth of the positioning groove.
3. A tool with adjustable insert angle according to any one of claims 1-2, characterized in that the tool holder comprises a clamping bolt and two clamping fingers parallel to each other;
one end of each clamping finger is connected with the connecting part, a clamping space capable of placing knife grains is formed between the two clamping fingers, a second fixing hole facing the other clamping finger is formed in one clamping finger, and a second screw hole corresponding to the second fixing hole is formed in the other clamping finger;
the clamping bolt passes through the second fixing hole and is then screwed on the second screw hole for adjusting the size of the clamping space.
4. A tool with adjustable angle of the cutting insert according to claim 3, wherein the cutting insert is clamped at the end of the clamped finger remote from the connecting portion.
5. A tool with adjustable angle of the knife according to claim 3, wherein the direction of clamping of the two clamping fingers is the thickness direction of the knife.
6. A tool for adjusting the angle of a cutting insert according to claim 3, wherein at least one of the clamping fingers is formed with a pocket for preventing the cutting insert from being displaced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321164251.4U CN219520519U (en) | 2023-05-15 | 2023-05-15 | Cutter capable of adjusting angle of cutter grain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321164251.4U CN219520519U (en) | 2023-05-15 | 2023-05-15 | Cutter capable of adjusting angle of cutter grain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219520519U true CN219520519U (en) | 2023-08-15 |
Family
ID=87626636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321164251.4U Active CN219520519U (en) | 2023-05-15 | 2023-05-15 | Cutter capable of adjusting angle of cutter grain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219520519U (en) |
-
2023
- 2023-05-15 CN CN202321164251.4U patent/CN219520519U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |