CN221639554U - Semi-finishing machine adds blade and cutter - Google Patents
Semi-finishing machine adds blade and cutter Download PDFInfo
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- CN221639554U CN221639554U CN202323158070.3U CN202323158070U CN221639554U CN 221639554 U CN221639554 U CN 221639554U CN 202323158070 U CN202323158070 U CN 202323158070U CN 221639554 U CN221639554 U CN 221639554U
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- 238000005520 cutting process Methods 0.000 claims abstract description 34
- 230000001681 protective effect Effects 0.000 claims 4
- 238000003754 machining Methods 0.000 abstract description 24
- 238000009434 installation Methods 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a semi-finishing machine blade and a cutter, which belong to the technical field of machining cutters, wherein the semi-finishing machine blade comprises a cutter head part and a bottom part, the bottom part is a V-shaped surface, the cutter head part comprises blade cutting surfaces which are symmetrical through a blade axis, and an eccentric V-shaped opening is formed at the intersection of the peaks of the two blade cutting surfaces. The utility model discloses a semi-finishing machine clamping blade, which adopts a double-piece integrated single-piece mode, reduces the management cost, is more convenient and quicker to assemble and disassemble, improves the production efficiency, adopts a V-shaped positioning mode to increase the positioning precision and repeated positioning precision + -0.01 of the blade, adopts the same installation principle as the finishing blade, uses the same clamping cutter bar together with the finishing blade, reduces the use variety of the clamping cutter bar, reduces the installation time of a single piece and the installation time of a screw and a side blade and an installation screw, thereby reducing the production cost in the processing process, reasonably selects parameters of a front angle and a rear angle of a cutter, increases the wear resistance, and increases the cutting stability.
Description
Technical Field
The utility model discloses a semi-finishing machine blade and a cutter, and belongs to the technical field of machining cutters.
Background
In the numerical control machining process of a die, machining is generally divided into rough machining, semi-finish machining, finish machining and rough machining in order to ensure accuracy tolerance of the die: in order to cut off the superfluous part of the blank rapidly, in order to raise the processing technology of the production efficiency; semi-finishing: firstly, in order to avoid that the rough machining allowance is too large, a great amount of machining stress is gathered, so that excessive stress deformation is generated after finishing of a die, and secondly, in order to eliminate deformation of a workpiece after rough machining or heat treatment; finish machining is a machining process for enabling a workpiece to meet requirements of higher precision and surface quality.
The existing semi-finishing cutter in the numerical control machining process is mainly composed of a machine clamping cutter blade, and is composed of a main cutter blade and an auxiliary cutter blade, wherein the installation error is caused by the problems of positioning accuracy and cutter blade size, the error is +/-0.3 mm, and the cutter blade accuracy is not high (R +/-0.05 mm), so that the problems of uneven semi-finishing allowance, over-cutting of machining or overlarge allowance and the like are caused, the finish machining process is influenced, the production cost is increased, and the production period is influenced. Existing semi-finishing tools need to be mounted on a specific tool bar. As shown in fig. 1, the machine clamp blade is composed of a main blade, a secondary blade and a side blade protection blade, and the defects are as follows:
1. special cutter bars are needed, and the cutter bars of different brands of products are different, so that the management cost is greatly increased; 2. the two-piece type mounting mode is adopted, the two corresponding blades are fixed by the two 4 screws, and when the blades are replaced, the blades are required to be disassembled and assembled twice each time, so that the mounting time is wasted;
3. The repeated positioning precision is low, the blade has the advantages that the blade can be used for 2 times by rotating 180 degrees in two directions, however, when one surface of the blade is used, the blade is seriously jumped, so that the secondary use cannot be realized or the installation precision after overturning is influenced, and the processing quality is influenced;
4. The cutter blade is low in precision, the cutter blade is installed separately, the strength is low, the impact resistance is poor, when the machining allowance is uneven, the welding material is machined, the feeding speed in the axis extending direction is high, the cutter blade is easy to break or split, the installation precision is reduced, and the machining allowance is too small or over-cut in a steep area of a curved surface is influenced.
Disclosure of Invention
The utility model aims to solve the problems of greatly increased management cost, wasted installation time, low repeated positioning precision, low strength, poor impact resistance and the like of the traditional mechanical clamping blade, and provides a semi-finishing machine blade and a cutter.
The utility model aims to solve the problems, which are realized by the following technical scheme:
The utility model provides a semi-finishing machine adds blade, semi-finishing machine adds the blade includes cutter head and bottom, the bottom is the V profile, cutter head includes the blade cutting face through blade axis symmetry, two the tip intersection department of blade cutting face is equipped with eccentric V type opening, wherein:
The blade cutting face comprises a blade base face, a positioning pin hole is formed in the middle of the blade base face, the blade base face is adjacent to a blade mounting face and a second rake face respectively, the second rake face is adjacent to a first rake face and is at a certain angle, the first rake face is adjacent to a first rear face and a protection edge rear face respectively, the first rake face and the protection edge rear face form a protection edge, the first rake face and the first rear face form a main cutting edge, and one end of the protection edge rear face is adjacent to the first rear face and the second rear face respectively.
Preferably, the included angle between the first rake surface and the first flank surface is 83 to 87 degrees.
Preferably, the included angle of the eccentric V-shaped notch is 60 degrees.
Preferably, the first rake surface is at an angle of-3 to-7 degrees to the blade base surface.
Preferably, the included angle between the first flank surface and the blade basal surface is 8-12 degrees.
Preferably, the included angle between the second flank surface and the blade basal surface is 20-24 degrees.
The utility model provides a semi-finishing machine adds cutter, includes cutter arbor and foretell semi-finishing machine adds the blade, the cutter arbor includes that the cutter arbor body is established at the blade installation department of its anterior segment, the V profile and the blade installation face cooperation centre gripping spacing of blade installation department and semi-finishing machine add the blade, blade installation department is equipped with and fixes a position through the locating pin with locating pin hole complex mounting hole.
Compared with the prior art, the utility model has the following beneficial effects:
The utility model discloses a semi-finishing machine blade, which adopts a double-piece integrated single-piece mode, reduces the management cost, is more convenient and quicker to assemble and disassemble, improves the production efficiency, adopts a V-shaped positioning mode to increase the positioning precision and repeated positioning precision + -0.01 of the blade, adopts the same installation principle as the finishing blade, uses the same clamping cutter bar together with the finishing blade, reduces the use variety of the clamping cutter bar, reduces the installation time of a single piece and the installation time of a screw and a side blade and an installation screw, thereby reducing the production cost in the processing process, reasonably selects parameters of a front angle and a rear angle of the cutter, increases the wear resistance, and increases the cutting stability.
Drawings
Fig. 1 is an overall structural diagram of the prior art.
Figure 2 is an isometric view of a semi-finishing machine plus blade of the present utility model.
Fig. 3 is a front view of a semi-finishing machine plus blade of the present utility model.
Figure 4 is an isometric view of a semi-finishing machine tool of the present utility model.
Fig. 5 is an isometric view of a tool holder in a semi-finishing machine tool of the present utility model.
The novel semi-finishing machine comprises a 100-semi-finishing machine blade, a 200-cutter bar, a 101-blade base surface, a 102-positioning pin hole, a 103-blade mounting surface, a 104-V-shaped surface, a 105-blade axis, a 106-first front cutter surface, a 107-second front cutter surface, a 108-protective edge, a 109-protective edge rear cutter surface, a 110-main cutting edge, a 111-first rear cutter surface, a 112-second rear cutter surface, a 113-eccentric V-shaped notch, a 201-cutter bar body, a 202-blade mounting part and a 203-mounting hole.
Detailed Description
The utility model is further described below with reference to fig. 1-5:
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 2, the first embodiment of the present utility model provides a semi-finishing machine blade based on the prior art, and the semi-finishing machine blade 100 includes a cutter head portion and a bottom portion, the bottom portion has a V-shaped surface 104, which is attached to and positioned with a V-shaped positioning surface on a cutter bar 200. The insert head includes an insert cutting face that is symmetrical about an insert axis 105.
The cutting surface of the insert comprises an insert base surface 101, a positioning pin hole 102 is formed in the middle of the insert base surface 101, the insert base surface 101 is adjacent to an insert mounting surface 103 and a second rake surface 107, and the second rake surface 107 is adjacent to and at an angle to a first rake surface 106. The first rake surface 106 is at an angle of-3 to-7 degrees to the insert base surface 101 and the surface of the cutting portion of the tool that is in direct contact with the chip. The machining process depends on the included angle between the surface and the workpiece, and the included angle determines the cutting resistance and the durability of the blade. The second rake surface 107 is free, and has smooth cutting and chip scratching effect.
The first rake surface 106 is adjacent to the first flank surface 111 and the guard edge flank surface 109, respectively, and the first rake surface 106 and the guard edge flank surface 109 form a guard edge 108, and the guard edge 108 is a cutting edge with a straight edge section of the maximum diameter of the blade, and plays a role in cutting during machining and protecting the blade and the clamped blade body. The guard relief 109 is the surface of the cutting portion of the tool opposite the surface being cut into the workpiece. The first rake surface 106 and the first relief surface 111 form a main cutting edge 110, and the edge of the rake surface used for cutting by the main cutting edge 110 is formed by intersecting the first rake surface 106 and the first relief surface 111, and meanwhile, the edge is subjected to dulling in the remanufacturing process, so that the impact resistance and the wear resistance of the edge are improved, and the service time is prolonged. The guard relief 109 has one end adjacent the first and second relief 111, 112, respectively. The first relief surface 111 forms an angle of 8 to 12 degrees with the insert base surface 101 and the second relief surface 112 forms an angle of 20 to 24 degrees with the insert base surface 101. The first relief surface 111 is the surface of the tool cutting portion opposite the surface being cut into the workpiece. The wear standard of the first rear tool face 111 determines the durability standard of the insert, so that the included angle between the first rear tool face 111 and the workpiece and the included angle between the first front tool face 106 and the first rear tool face 111 are very important, and the included angle between the first front tool face 106 and the first rear tool face 111 is 83 to 87 degrees, which determines the parameters such as the durability, the machining surface roughness, the machining precision and the like of the insert under the conditions of different materials, different hardness and the like.
The cutting surfaces of the two blades form an over-center blade as a main blade, and the other side is an auxiliary blade, as shown in fig. 3, an eccentric V-shaped notch 113 is arranged at the intersection of the peaks of the two blade cutting surfaces, the included angle of the eccentric V-shaped notch 113 is 60 degrees, and the depth is about 0.5-1 mm. Secondly, the main cutting edge is also protected, and the micro-cutting function is realized in the machining cutting rotation, so that the main cutting edge machining is assisted. And finally, the cutting effect is realized, and as the cutter point is the intersection of the two blades, the zero cutting effect is realized, the structure is compact and complex, the accumulated scraps are easy to appear in the processing, the accumulated scraps are generated or the scraps are not smooth, the cutter point is broken or the surface quality of a workpiece is influenced, and the service life of the cutter blade is influenced.
As shown in fig. 4 and 5, the second embodiment of the present utility model provides a semi-finishing machine tool, which comprises a tool bar 200 and the semi-finishing machine tool 100 described in the first embodiment, wherein the tool bar 200 comprises a tool bar body 201 arranged at the front section of the tool bar body, the tool bar body 202 is matched with a V-shaped surface 104 and a tool mounting surface 103 of the semi-finishing machine tool 100 to clamp and limit, and the tool bar mounting portion 202 is provided with a mounting hole 203 matched with a positioning pin hole 102 to position through a positioning pin.
Although embodiments of the utility model have been disclosed above, they are not limited to the use listed in the specification and embodiments. It can be applied to various fields suitable for the present utility model. Additional modifications will readily occur to those skilled in the art. Therefore, the utility model is not to be limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (7)
1. Semi-finishing machine adds blade, its characterized in that, semi-finishing machine adds blade (100) including cutter head and bottom, the bottom is V profile (104), cutter head includes the blade cutting face through blade axis (105) symmetry, two the tip intersection department of blade cutting face is equipped with eccentric V type opening (113), wherein:
The blade cutting face comprises a blade base face (101), a positioning pin hole (102) is formed in the middle of the blade base face (101), the blade base face (101) is adjacent to a blade mounting face (103) and a second rake face (107) respectively, the second rake face (107) is adjacent to a first rake face (106) and is at a certain angle, the first rake face (106) is adjacent to a first rear rake face (111) and a protective edge rear rake face (109) respectively, the first rake face (106) and the protective edge rear rake face (109) form a protective edge (108), the first rake face (106) and the first rear rake face (111) form a main cutting edge (110), and one end of the protective edge rear rake face (109) is adjacent to the first rear rake face (111) and the second rear rake face (112) respectively.
2. A semi-finishing machine blade as claimed in claim 1, wherein the angle between the first rake surface (106) and the first relief surface (111) is 83 to 87 degrees.
3. A semi-finishing machine blade as claimed in claim 1, wherein the angle of the eccentric V-shaped gap (113) is 60 degrees.
4. A semi-finishing machine blade as claimed in claim 1, wherein the first rake surface (106) is inclined at an angle of-3 to-7 degrees to the blade base surface (101).
5. A semi-finishing machine blade as claimed in claim 1, wherein the first relief surface (111) is at an angle of 8 to 12 degrees to the blade base surface (101).
6. A semi-finishing machine blade as claimed in claim 1, wherein the second relief surface (112) is at an angle of 20 to 24 degrees to the blade base surface (101).
7. The semi-finishing machine tool is characterized by comprising a cutter bar (200) and the semi-finishing machine tool blade (100) according to any one of claims 1-6, wherein the cutter bar (200) comprises a cutter bar body (201) and a blade mounting part (202) arranged at the front section of the cutter bar body, the blade mounting part (202) is clamped and limited by matching with a V-shaped surface (104) and a blade mounting surface (103) of the semi-finishing machine tool blade (100), and the blade mounting part (202) is provided with a mounting hole (203) matched with a positioning pin hole (102) for positioning through a positioning pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323158070.3U CN221639554U (en) | 2023-11-22 | 2023-11-22 | Semi-finishing machine adds blade and cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323158070.3U CN221639554U (en) | 2023-11-22 | 2023-11-22 | Semi-finishing machine adds blade and cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221639554U true CN221639554U (en) | 2024-09-03 |
Family
ID=92507830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323158070.3U Active CN221639554U (en) | 2023-11-22 | 2023-11-22 | Semi-finishing machine adds blade and cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221639554U (en) |
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2023
- 2023-11-22 CN CN202323158070.3U patent/CN221639554U/en active Active
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