CN113458239A - Plum blossom-shaped punch for processing horizontal RC implant of bone - Google Patents
Plum blossom-shaped punch for processing horizontal RC implant of bone Download PDFInfo
- Publication number
- CN113458239A CN113458239A CN202110798298.5A CN202110798298A CN113458239A CN 113458239 A CN113458239 A CN 113458239A CN 202110798298 A CN202110798298 A CN 202110798298A CN 113458239 A CN113458239 A CN 113458239A
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- Prior art keywords
- punch
- implant
- bone
- plum blossom
- processing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/0003—Making bridge-work, inlays, implants or the like
- A61C13/0006—Production methods
- A61C13/0021—Production methods using stamping techniques
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Epidemiology (AREA)
- Manufacturing & Machinery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention discloses a plum blossom-shaped punch for processing a horizontal RC implant of a bone, which comprises a handle part and a punch head part, wherein the punch head part is provided with 6 chip grooves linearly extending from the front end of the punch head part to the handle part, the cross sections of the chip grooves are arc-shaped, two adjacent chip grooves are 60 degrees, a radially convex arc-shaped part is formed between two adjacent chip grooves, the front end surface of the punch head part is intersected with the circumferential surface of the arc-shaped part to form an end cutting edge, the end cutting edge is provided with a front angle, a rear angle and an inner inclination angle, the front angle is 3-5 degrees, the rear angle is 0.8-1.2 degrees, and the inner inclination angle is 0.8-1.2 degrees. The invention has the advantages of simple structure, high strength and rigidity, convenient chip removal, capability of ensuring that the cutter can smoothly process the horizontal RC implant of the bone, good processing effect and high product yield.
Description
Technical Field
The invention belongs to the technical field of machining tools, and particularly relates to a plum blossom-shaped punch for machining a horizontal RC implant of a bone.
Background
An artificial tooth is a bionic tooth made of biological material and is divided into an implant (root part) implanted in jaw bone to support and fix and a crown part for chewing. A doctor selects an implant with a certain shape to be implanted into a jaw bone as an artificial tooth root according to the change of an alveolar bone and the jaw bone after a patient loses teeth, and then installs a dental crown on an implant pile exposed out of an oral cavity to obtain the shape and the function similar to those of a self-body tooth.
The mounting groove inside the dental implant is generally processed by adopting a punch, but the problem of chip extrusion is difficult to avoid because the stress point is always on the end surface of the punch, the chips after punching cannot be smoothly discharged, so that the mounting groove is difficult to be integrally formed, and the processing precision is low.
Disclosure of Invention
The invention aims to provide the plum blossom-shaped punch which has the advantages of simple structure, high strength and rigidity, convenient chip removal, good processing effect and high product yield and can be used for processing horizontal RC implants of bones.
In order to achieve the purpose, the invention provides a plum blossom-shaped punch for processing a horizontal RC implant of a bone, which comprises a handle part and a punch head part, wherein the punch head part is provided with 6 chip grooves linearly extending from the front end of the punch head part to the handle part, the cross sections of the chip grooves are arc-shaped, the adjacent two chip grooves are 60 degrees, a radially convex arc-shaped part is formed between the adjacent two chip grooves, the front end surface of the punch head part is intersected with the circumferential surface of the arc-shaped part to form an end cutting edge, the end cutting edge is provided with a front angle, a rear angle and an inner inclination angle, the front angle is 3-5 degrees, the rear angle is 0.8-1.2 degrees, and the inner inclination angle is 0.8-1.2 degrees.
In a preferred embodiment of the present invention, a conical portion is connected between the shank portion and the punch portion.
In a preferred embodiment of the present invention, the taper angle of the conical portion is 25 °.
In a preferred embodiment of the present invention, the chip grooves penetrate the punch portion and the conical portion.
As a preferable scheme of the present invention, a transition arc is provided at a connection point of the punch portion and the conical portion, and a radius of the transition arc is 1 mm.
In a preferred embodiment of the present invention, the punch portion has a length of 3mm, an outer diameter of 1.76mm, a core thickness of 1.3mm, and a radius of a circular arc of the chip discharge groove of 0.4 mm.
In a preferred embodiment of the invention, the shank is provided with at least one side surface.
In a preferred embodiment of the present invention, each of the sharp corner portions of the punch portion is rounded, and the radius of the rounded corner is 0.01mm to 0.03 mm.
As a preferable aspect of the present invention, the punch portion is coated with a diamond coating.
Compared with the prior art, the plum blossom-shaped punch for processing the horizontal RC implant of the bone has the beneficial effects that:
according to the invention, through the arrangement of the end cutting edge and the chip removal groove at the front end of the punch, the mounting groove in the processed dental implant can be completely formed at one time, and the dimensional precision is high; the front angle of the end cutting edge is designed to be 3-5 degrees, so that the sharpness of the cutting edge is ensured, the cutting of the cutter is lighter and more stable, the cutting chips are more favorably broken and discharged, and the phenomena of edge treading and corner collapse of the mounting groove of the dental implant caused by the fact that the punched cutting chips cannot be smoothly discharged are avoided; the back angle of the end cutting edge is designed to be 0.8-1.2 degrees, so that the end cutting edge can be ensured to have enough rigidity, the friction between the peripheral surface of the cutter and the implant can be effectively reduced, and the cutting-in of the end cutting edge is facilitated; the inner inclination angle of the end cutting edge is designed to be 0.8-1.2 degrees, the contact area between the front end of the punch and the processing surface can be reduced, the chips are effectively prevented from being accumulated at the front end of the punch, and the punched chips can be smoothly discharged. Therefore, the plum blossom-shaped punch has the advantages of simple structure, high strength and rigidity, convenience in chip removal, capability of ensuring that the cutter can smoothly process the horizontal RC implant of the bone, good processing effect and high product yield.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
FIG. 1 is a schematic structural diagram of a plum blossom-shaped punch for processing a horizontal RC implant of a bone according to the present invention;
FIG. 2 is a cross-sectional view of the punch segment;
fig. 3 is a partial enlarged view of the end edge.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the machine or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
As shown in fig. 1 to 3, the quincunx punch for processing a horizontal RC bone implant according to a preferred embodiment of the present invention includes a shank portion 1 and a punch portion 2, the punch portion 2 is provided with 6 chip flutes 3 extending linearly from a front end thereof to the shank portion 1, a cross section of each chip flute 3 is arc-shaped, two adjacent chip flutes 3 are 60 ° with each other, a radially protruding arc portion 4 is formed between two adjacent chip flutes 3, a front end surface of the punch portion 2 intersects with a circumferential surface of the arc portion 4 to form an end cutting edge 5, the end cutting edge 5 is provided with a front angle 6, a rear angle 7 and an inclination angle 8, the front angle 6 is 3 ° to 5 °, the rear angle 7 is 0.8 ° to 1.2 °, and the inclination angle 8 is 0.8 ° to 1.2 °.
Therefore, the installation groove in the processed dental implant can be completely formed at one time by arranging the end cutting edge 5 at the front end of the punch and the chip removal groove 3, and the size precision is high; the front angle 6 of the end cutting edge 5 is designed to be 3-5 degrees, so that the sharpness of the cutting edge is ensured, the cutting of the cutter is lighter and more stable, the cutting chips are more easily broken and discharged, and the phenomena of edge treading and corner collapse of the mounting groove of the dental implant caused by the fact that the cut chips cannot be smoothly discharged are avoided; the back angle 7 of the end cutting edge 5 is designed to be 0.8-1.2 degrees, so that the end cutting edge 5 can be ensured to have enough rigidity, the friction between the peripheral surface of the cutter and an implant can be effectively reduced, and the cutting-in of the end cutting edge 5 is facilitated; the inner inclination angle 8 of the end cutting edge 5 is designed to be 0.8-1.2 degrees, the contact area between the front end of the punch and the processing surface can be reduced, the chips are effectively prevented from being accumulated at the front end of the punch, and the punched chips can be smoothly discharged. Therefore, the plum blossom-shaped punch has the advantages of simple structure, high strength and rigidity, convenience in chip removal, capability of ensuring that the cutter can smoothly process the horizontal RC implant of the bone, good processing effect and high product yield.
Illustratively, a conical portion 9 is connected between the shank portion 1 and the punch portion 2. The conical part 9 has the function of reducing vibration, so that the power of the machine tool can be better transmitted from the handle part 1 to the punch part 2, and the stability of the punch part 2 in the cutting process is ensured. Preferably, the conical portion 9 has a cone angle of 25 °.
Illustratively, the chip flutes 3 extend through the punch head 2 and the conical portion 9 to facilitate chip evacuation to the outside of the punch.
Illustratively, in order to eliminate the stress concentration characteristic in the transition region between two different diameters, a transition circular arc 10 is arranged at the joint of the punch part 2 and the conical part 9, and the radius of the transition circular arc 10 is 1 mm.
Illustratively, in order to better adapt to the processing of a bone level RC implant, the length of the punch part 2 is 3mm, the outer diameter is 1.76mm, the core thickness is 1.3mm, and the arc radius of the chip groove 3 is 0.4 mm.
Illustratively, the shank 1 is provided with at least one flat side surface 11 for facilitating the fitting with a machine tool drive chuck.
Illustratively, each sharp corner of the punch head 2 is blunted into a round corner, and the radius of the round corner is 0.01 mm-0.03 mm. Therefore, microscopic fillets are generated on the cutting edge part, so that the cutting of the cutter is more stable, the cutter is not prone to tipping, the service life of the cutter is prolonged, and the machined square boss groove can achieve smoother surface quality.
Illustratively, the punch portion 2 is coated with a diamond coating to reduce cutting friction and increase wear resistance of the tool, so as to ensure the life and machining effect of the punch.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a plum blossom form drift of horizontal RC planting body of processing bone, its characterized in that, includes stalk portion and drift portion, drift portion is equipped with 6 from its front end to the chip groove that stalk portion straight line extended the setting, the transversal circular-arc of personally submitting of chip groove, and adjacent two the chip groove each other is 60, adjacent two be formed with radial bellied circular arc portion between the chip groove, the preceding terminal surface of drift portion with the periphery of circular arc portion is crossing to form the tip blade, the tip blade is equipped with anterior angle, relief angle and inclination, the anterior angle is 3 ~ 5, the relief angle is 0.8 ~ 1.2, the inclination is 0.8 ~ 1.2.
2. The plum blossom-shaped punch for processing a bone level RC implant as claimed in claim 1, wherein a conical portion is connected between said shank portion and said punch portion.
3. The plum blossom punch for processing a bone level RC implant as claimed in claim 2, wherein said conical portion has a cone angle of 25 °.
4. The plum blossom-shaped punch for processing a bone horizontal RC implant as claimed in claim 2, wherein said flute penetrates said punch portion and said conical portion.
5. The plum blossom-shaped punch for processing a bone horizontal RC implant according to claim 2, wherein a transition arc is arranged at the joint of the punch part and the conical part, and the radius of the transition arc is 1 mm.
6. The plum blossom-shaped punch for processing a bone horizontal RC implant as claimed in claim 1, wherein the length of the punch part is 3mm, the outer diameter is 1.76mm, the core thickness is 1.3mm, and the arc radius of the chip discharge groove is 0.4 mm.
7. The plum blossom punch of claim 1 wherein said shank has at least one side flat.
8. The plum blossom-shaped punch for processing a bone horizontal RC implant as claimed in claim 1, wherein each sharp corner of said punch portion is blunt to a rounded corner, and the radius of said rounded corner is 0.01 mm-0.03 mm.
9. The plum blossom-shaped punch for processing a bone level RC implant as claimed in claim 1, wherein said punch portion is coated with a diamond coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110798298.5A CN113458239B (en) | 2021-07-15 | 2021-07-15 | Quincuncial punch for processing bone level RC implant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110798298.5A CN113458239B (en) | 2021-07-15 | 2021-07-15 | Quincuncial punch for processing bone level RC implant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113458239A true CN113458239A (en) | 2021-10-01 |
| CN113458239B CN113458239B (en) | 2023-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110798298.5A Active CN113458239B (en) | 2021-07-15 | 2021-07-15 | Quincuncial punch for processing bone level RC implant |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4555966A (en) * | 1982-11-06 | 1985-12-03 | Trumpf Gmbh & Co. | Punch press with multitool punch assembly |
| JP2003320418A (en) * | 2002-05-01 | 2003-11-11 | Amada Co Ltd | Die of punching machine, and punching die and die |
| CN102836914A (en) * | 2011-06-21 | 2012-12-26 | 无锡雨田精密工具有限公司 | Quincuncial punch rod |
| CN204052549U (en) * | 2014-08-18 | 2014-12-31 | 新昌县恒盛机械有限公司 | A kind of Automatic-feeding punch mechanism |
| CN109079021A (en) * | 2017-06-13 | 2018-12-25 | 鸣达精工股份有限公司 | Manufacture the mold and punching head of fastener |
| CN210614812U (en) * | 2019-07-29 | 2020-05-26 | 江门市中刀精密科技有限公司 | Punch for processing medical instrument |
-
2021
- 2021-07-15 CN CN202110798298.5A patent/CN113458239B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4555966A (en) * | 1982-11-06 | 1985-12-03 | Trumpf Gmbh & Co. | Punch press with multitool punch assembly |
| JP2003320418A (en) * | 2002-05-01 | 2003-11-11 | Amada Co Ltd | Die of punching machine, and punching die and die |
| CN102836914A (en) * | 2011-06-21 | 2012-12-26 | 无锡雨田精密工具有限公司 | Quincuncial punch rod |
| CN204052549U (en) * | 2014-08-18 | 2014-12-31 | 新昌县恒盛机械有限公司 | A kind of Automatic-feeding punch mechanism |
| CN109079021A (en) * | 2017-06-13 | 2018-12-25 | 鸣达精工股份有限公司 | Manufacture the mold and punching head of fastener |
| CN210614812U (en) * | 2019-07-29 | 2020-05-26 | 江门市中刀精密科技有限公司 | Punch for processing medical instrument |
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| Publication number | Publication date |
|---|---|
| CN113458239B (en) | 2023-08-08 |
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