CN110614399A - Cutter for processing stainless steel products - Google Patents
Cutter for processing stainless steel products Download PDFInfo
- Publication number
- CN110614399A CN110614399A CN201910980894.8A CN201910980894A CN110614399A CN 110614399 A CN110614399 A CN 110614399A CN 201910980894 A CN201910980894 A CN 201910980894A CN 110614399 A CN110614399 A CN 110614399A
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- CN
- China
- Prior art keywords
- blade
- cutter
- pit
- stainless steel
- steel products
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/10—Shank-type cutters, i.e. with an integral shaft
- B23C5/109—Shank-type cutters, i.e. with an integral shaft with removable cutting inserts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention relates to a cutter which has the effect of long service life. The invention discloses a cutter for processing stainless steel products, which comprises a cutter bar, wherein a plurality of cutter pits are concentrically arrayed at the end part of the cutter bar, a square blade is arranged in each cutter pit, a concave arc cutting edge is arranged on each edge of the blade, the blade is detachably connected with the cutter pits, and the blade is made of hard alloy materials. By means of the cooperation of the blade and the cutter pit, the blade is replaced quickly, and the whole cutter is not required to be replaced.
Description
Technical Field
The present invention relates to a tool, and more particularly, to a tool for machining stainless steel products.
Background
The metal middle frame and the shell used on the mobile phone not only have exquisite appearance, but also have the advantages of fine hand feeling, wear resistance, falling resistance, corrosion resistance and the like, so the metal middle frame and the shell are popular with consumers. The rear cover is an important part of the mobile phone, and has a smooth appearance and a complex inner side structure. The current general method of the rear cover of the mobile phone is as follows: die casting (or forging) -CNC-appearance processing-rear cover; the die casting has the advantages of high efficiency, good molding, capability of manufacturing complex parts with a structure, low cost and the like.
The essential needs in the processing of cell-phone shell among the prior art use the cutter to process, and stainless steel cell-phone frame especially needs to adopt the less cutter of diameter to mill in the course of working. The traditional machining method is to use an integral hard alloy cutter, and because the outer diameter of the profile is 15-35mm, several problems exist, one cutting edge is broken, so that the machined part has line marks, and the integral cutter is scrapped; only the cutting edge participates in cutting, the handle part only has a supporting function, and the hard alloy is integrally used, so that the cost is wasted; the life of the entire knife is short. There is a problem of short service life.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the cutter for processing the stainless steel product, which has the effect of long service life.
In order to achieve the technical purpose, the invention provides the following technical scheme: the utility model provides a cutter of processing stainless steel product, includes the cutter arbor, the tip of cutter arbor is concentric to be arrayed has a plurality of sword pits, every be provided with square blade in the sword pit, concave arc's cutting edge has been seted up on every side of blade, the blade can be dismantled with the sword pit and be connected, the blade is made by carbide material.
By adopting the technical scheme, the blade and the cutter pit are detachably connected, the cutter bar does not need to be made of hard alloy materials, and the production cost is saved. The cutting edges are respectively arranged on four sides of the blade, the blade is installed in the cutter pit, only the cutting edge on the outer side works, when the cutting edge collapses, the blade is taken down and rotated, the cutting edge on the other side is exposed, the cutter can be normally used, the whole cutter does not need to be replaced, and the service life of the cutter is prolonged.
As preferred, every the one side that the cutting edge is located the blade upper surface includes working segment and chip removal section, the working segment is located the edge of blade and parallel with blade upper surface, the chip removal section sets up to the semicircle annular and encircles the working segment, the radial cross-section of chip removal section is the pit.
Through adopting above-mentioned technical scheme, when the cutting edge mills the surface of stainless steel cell-phone shell, the piece of production can be toward splashing outward, can produce the piece of rectangular shape sometimes, and the piece can be piled up temporarily in the chip removal section, and when the piece was fallen absolutely, whole piece just directly drops, avoids the piece to influence the normal milling of cutting edge, leads to the product surface not smooth, has improved the chip removal high efficiency.
Preferably, the blade and the cutter pit are detachably connected through a screw, a through hole for the screw to fit and penetrate is formed in the middle of the blade, a thread groove for the screw to screw in is formed in the cutter pit, and the thread groove in the cutter pit is perpendicular to the bottom surface of the cutter pit.
Through adopting above-mentioned technical scheme, when needing to be changed the cutting edge, unscrew the screw, can take off the blade, after rotating the blade, reuse screw revolve back can, guarantee simultaneously that the screw is perpendicular with the blade, the screw only receives vertical thrust, has guaranteed that the blade is not crooked, has improved the structure steadiness.
Preferably, the four end angles of the blade are 90 degrees, the cutter pit is arranged in a square shape, two sides of the cutter pit, which are close to the edge of the cutter rod, are arranged to be opened, the corners of the cutter pit are also 90 degrees, and the through hole of the blade is positioned at the center of the blade.
Through adopting above-mentioned technical scheme, four end angles of blade all are the right angle, rotate the blade after, can also closely block in the sword hole, improved the structural rationality.
Preferably, the two side walls of the tool pit are provided with protrusions for clamping the cutting edge, and the longest of the protrusions is the same as the length of the cutting edge.
By adopting the technical scheme, the position of the blade is further limited, and the angle of the blade is ensured to be constant.
Preferably, the outer side wall of the blade forms an included angle of 11 degrees with the vertical line, and the periphery of the upper surface of the blade is chamfered by 4 degrees.
Through adopting above-mentioned technical scheme, go into the sword hole with the blade card after, the both sides wall of blade can hug closely sword hole inner wall, and the slight deformation takes place after the sword hole is extrudeed by the blade is allowed to the 4 chamfers of blade upper surface, makes blade and sword hole interference fit, has improved and has connected the steadiness.
Preferably, the blade main bodies on both sides of each cutting edge are not the same in width, and the blade main body located at the front end of the tool pit is narrower than the blade main body located at the rear end.
By adopting the technical scheme, the blade body positioned at the front end of the cutting edge is likely to contact with a workpiece, so that the blade body at the front end is lower than the rear part, and when the cutter is rotated, the blade cannot collide with the workpiece, so that the structural reasonability is improved.
Preferably, the blade has a thickness of 3 mm.
By adopting the technical scheme, the blade is too thin, so that the blade is insufficient in rigidity and easy to deform; the thickness of the blade is too thick, so that the blade pit can be easily drilled through, and after the test, the blade thickness of 3mm is the optimal size.
In summary, the present invention achieves the following effects:
1. by means of the cooperation of the blade and the cutter pit, the blade is replaced quickly, and the whole cutter is not required to be replaced.
Drawings
FIG. 1 is a schematic view for showing the overall structure in the present embodiment;
FIG. 2 is a schematic diagram illustrating a specific structure of the tool holder in the present embodiment;
FIG. 3 is a schematic view showing a specific structure of a blade according to the present embodiment;
fig. 4 is a sectional view showing a specific structure of the blade in this embodiment.
In the figure, 1, a cutter bar; 2. a cutter pit; 21. a protrusion; 3. a blade; 4. a cutting edge; 41. a working section; 42. a chip removal section; 5. and (4) screws.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Example (b): a cutting tool for processing stainless steel products, as shown in figure 1, comprises a tool bar 1, wherein a plurality of tool pits 2 (refer to figure 2) are concentrically arranged at the end part of the tool bar 1. A square blade 3 is arranged in each tool pit 2, concave arc-shaped cutting edges 4 are arranged on each edge of each blade 3, the blades 3 are detachably connected with the tool pits 2, and the blades 3 are made of hard alloy materials. The blade 3 and the cutter pit 2 are detachably connected, and the cutter bar 1 is not required to be made of hard alloy materials, so that the production cost is saved. Cutting edges 4 are respectively arranged on four sides of the blade 3, only the cutting edge 4 on the outer side works after the blade 3 is arranged in the cutter pit 2, when the cutting edge 4 collapses, the blade 3 is taken down and rotated, the cutting edge 4 on the other side is exposed, the cutter can be normally used, and the whole cutter does not need to be replaced.
As shown in fig. 1 and 2, the blade 3 and the cutter pit 2 are detachably connected through a screw 5, a through hole for the screw 5 to fit and pass through is formed in the middle of the blade 3, a thread groove for the screw 5 to screw in is formed in the cutter pit 2, the thread groove in the cutter pit 2 is perpendicular to the bottom surface of the cutter pit 2, when a cutting edge 4 needs to be replaced, the screw 5 is unscrewed, the blade 3 can be taken down, the blade 3 is rotated, the screw 5 is screwed back, the screw 5 is perpendicular to the blade 3, the screw 5 only bears vertical thrust, and the fact that the blade 3 is not inclined is guaranteed.
As shown in fig. 3 and 4, one surface of each cutting edge 4 on the upper surface of the insert 3 includes a working section 41 and a chip ejection section 42, the working section 41 is located on the edge of the insert 3 and is parallel to the upper surface of the insert 3, the chip ejection section 42 is semi-circular and surrounds the working section 41, and the radial section of the chip ejection section 42 is a concave pit. When cutting edge 4 mills the surface of stainless steel cell-phone shell, the piece that produces can be toward splashing outward, can produce the piece of rectangular shape sometimes, and the piece can be piled up temporarily in chip removal section 42, and when the piece was fallen absolutely, whole piece just directly drops, avoids the piece to influence cutting edge 4's normal milling, leads to the product surface unsmooth.
As shown in fig. 2 and 3, the four end angles of the blade 3 are 90 °, the blade pit 2 is square, two sides of the blade pit 2 close to the edge of the blade bar 1 are provided with openings, the corner of the blade pit 2 is also 90 °, and the through hole of the blade 3 is located at the center of the blade 3. Four end angles of the blade 3 are right angles, and the blade 3 can be tightly clamped in the cutter pit 2 after being rotated.
As shown in fig. 2, two side walls of the tool pit 2 are provided with protrusions 21 for clamping the cutting edge 4, and the longest of the protrusions 21 is the same as the length of the cutting edge 4, so as to further limit the position of the blade 3 and ensure that the angle of the blade 3 is constant.
As shown in fig. 4, the outer side wall of the insert 3 forms an angle of 11 ° with the vertical line, and the periphery of the upper surface of the insert 3 is chamfered by 4 °. After the blade 3 is clamped into the cutter pit 2, two side walls of the blade 3 can be tightly attached to the inner wall of the cutter pit 2, and the upper surface of the blade 3 is chamfered by 4 degrees, so that the cutter pit 2 is slightly deformed after being extruded by the blade 3, and the blade 3 is in interference fit with the cutter pit 2.
As shown in fig. 1 and 3, the body of the blade 3 on both sides of each cutting edge 4 is not equal in width, the body of the blade 3 at the front end of the cutting pit 2 is narrower than the body of the blade 3 at the rear end, and the body of the blade 3 at the front end of the cutting edge 4 may contact a workpiece, so that the body of the blade 3 at the front end is lower than the body of the blade 3 at the rear end, and when the cutter is rotated, the blade 3 does not collide with the workpiece, thereby improving the structural rationality.
The thickness of the blade 3 is 3mm, and the blade 3 is too thin, so that the blade 3 is insufficient in rigidity and easy to deform; the thickness of the blade 3 is too thick, so that the cutting pit 2 can be easily drilled through, and after the test, the thickness of the blade 3 is 3mm, which is the optimal size.
Claims (8)
1. A cutter for processing stainless steel products is characterized in that: including cutter arbor (1), the tip of cutter arbor (1) is concentric to be arrayed has a plurality of sword pits (2), every be provided with square blade (3) in the sword pit (2), concave arc cutting edge (4) are seted up on every side of blade (3), blade (3) can be dismantled with sword pit (2) and be connected, blade (3) are made by carbide material.
2. A tool for machining stainless steel products according to claim 1, wherein: every cutting edge (4) one side that is located blade (3) upper surface includes working segment (41) and chip removal section (42), working segment (41) be located the edge of blade (3) and with blade (3) upper surface parallel, chip removal section (42) set up to semicircle ring shape and encircle working segment (41), the radial cross-section of chip removal section (42) is the pit.
3. A tool for machining stainless steel products according to claim 2, wherein: blade (3) and sword hole (2) can be dismantled through screw (5) and be connected, be provided with the through-hole that supplies screw (5) laminating to pass in the middle of blade (3), set up the thread groove that supplies screw (5) screw in on sword hole (2), the thread groove on sword hole (2) is perpendicular with the bottom surface in sword hole (2).
4. A tool for machining stainless steel products according to claim 3, wherein: the four end angles of the blade (3) are 90 degrees, the cutter pit (2) is square, two sides of the cutter pit (2) close to the edge of the cutter bar (1) are provided with openings, the corners of the cutter pit (2) are also 90 degrees, and the through hole of the blade (3) is positioned at the center of the blade (3).
5. The tool for machining stainless steel products as set forth in claim 4, wherein: be provided with arch (21) of going into cutting edge (4) on two lateral walls of sword hole (2), the longest point of arch (21) is the same with the blade length of cutting edge (4).
6. A tool for machining stainless steel products as claimed in claim 5, wherein: the outer side wall of the blade (3) forms an included angle of 11 degrees with a vertical line, and the periphery of the upper surface of the blade (3) is chamfered by 4 degrees.
7. The tool for machining stainless steel products as set forth in claim 6, wherein: the main bodies of the blades (3) on two sides of each cutting edge (4) are not equal in width, and the main body of the blade (3) positioned at the front end of the cutter pit (2) is narrower than the main body of the blade (3) positioned at the rear end.
8. The tool for machining stainless steel products as set forth in claim 7, wherein: the thickness of the blade (3) is 3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910980894.8A CN110614399A (en) | 2019-10-15 | 2019-10-15 | Cutter for processing stainless steel products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910980894.8A CN110614399A (en) | 2019-10-15 | 2019-10-15 | Cutter for processing stainless steel products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110614399A true CN110614399A (en) | 2019-12-27 |
Family
ID=68925834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910980894.8A Pending CN110614399A (en) | 2019-10-15 | 2019-10-15 | Cutter for processing stainless steel products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110614399A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113996826A (en) * | 2021-12-07 | 2022-02-01 | 国宏工具系统（无锡）股份有限公司 | Contour forming blade for processing stainless steel products |
-
2019
- 2019-10-15 CN CN201910980894.8A patent/CN110614399A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113996826A (en) * | 2021-12-07 | 2022-02-01 | 国宏工具系统（无锡）股份有限公司 | Contour forming blade for processing stainless steel products |
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