CN212495749U - Tungsten carbide rotary file for polishing surface of casting - Google Patents
Tungsten carbide rotary file for polishing surface of casting Download PDFInfo
- Publication number
- CN212495749U CN212495749U CN202020857318.2U CN202020857318U CN212495749U CN 212495749 U CN212495749 U CN 212495749U CN 202020857318 U CN202020857318 U CN 202020857318U CN 212495749 U CN212495749 U CN 212495749U
- Authority
- CN
- China
- Prior art keywords
- grinding
- rotary file
- tungsten carbide
- casting
- grinding head
- Prior art date
- 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.)
- Active
Links
Images
Abstract
The utility model relates to a tungsten carbide rotary file for polishing the surface of a casting, which comprises a rod body, wherein the end part of the rod body extends forwards to form a cylindrical part, the end part of the cylindrical part extends forwards to form a grinding part with a cylindrical structure, the end part of the grinding part extends forwards to form a grinding head with a cone frustum structure, and the rod body, the cylindrical part, the grinding part and the grinding head are positioned on the same straight line and jointly form the rotary file with an integrated structure; the periphery of the grinding part is provided with a single-side edge, and the outer wall surface of the grinding head is provided with a double-side edge; the utility model discloses rotatory file is applicable to the product and polishes of all kinds of metal protrusions on the surface to can directly carry out the correct grinding after quick corase grind, convenient and fast has improved work efficiency greatly, has reduced personnel intensity of labour, has guaranteed product quality and surface finish simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the metal grinding tool technique and specifically relates to a rotatory file of tungsten carbide on foundry goods surface polishes.
Background
The investment casting process is also called lost wax casting, and is an ancient casting and forming process. Investment casting has two major advantages, one is: the cast product can obtain high dimensional accuracy and surface finish, so that the machining work can be greatly reduced. II, secondly: it can be used to cast complex parts of various metal materials, especially high-temp alloy castings.
The quality of the shell mold is one of three key technical keys of investment precision casting, if the strength of the shell mold is low, molten metal can break the shell mold and enter gaps of the shell mold to form burrs during pouring. The shell mold is firstly made for preventing burr defects, the surface layer has high strength, and the layers are not layered and do not warp the shell. In the prior art, the consumable material for polishing burrs or protrusions on the surface of a casting cannot ensure the product quality, particularly the surface quality, while the material is removed quickly, time and labor are wasted in the conversion of a grinding head, and the working efficiency is greatly influenced.
SUMMERY OF THE UTILITY MODEL
The applicant provides a tungsten carbide rotary file on the casting surface of polishing with reasonable structure aiming at the defects in the prior art, thereby greatly improving the removal efficiency of burrs or protrusions, effectively ensuring the product quality, ensuring the product percent of pass, being convenient to use and having good practicability.
The utility model discloses the technical scheme who adopts as follows:
a tungsten carbide rotary file for polishing the surface of a casting comprises a rod body, wherein a cylindrical part extends forwards from the end part of the rod body, a grinding part with a cylindrical structure extends forwards from the end part of the cylindrical part, a grinding head with a truncated cone structure extends forwards from the end part of the grinding part, and the rod body, the cylindrical part, the grinding part and the grinding head are positioned on the same straight line and jointly form the rotary file with an integrated structure; the grinding head is characterized in that a single-side edge is arranged on the circumferential surface of the grinding part, and double-side edges are arranged on the outer wall surface of the grinding head.
As a further improvement of the above technical solution:
the diameter of the grinding part is larger than that of the cylindrical part, and a step is formed at the joint of the grinding part and the cylindrical part.
The diameter of the large end of the grinding head is equal to that of the grinding part, and the small end plane of the grinding head forms the end part of a tool bit of the rotary file.
The sharpening angle of the single-side edge on the grinding part is larger than that of the double-side edge on the grinding head; the depth of the groove between adjacent blade teeth on the grinding part is greater than that of the groove between adjacent blade teeth on the grinding head.
The sharpening angle of the single-side edge on the grinding part is 45.5 degrees; the sharpening angle of the double-sided edge on the grinding head is 15.5 degrees.
The depth of the groove between adjacent blade teeth on the grinding part is 0.5mm, and the depth of the groove between adjacent blade teeth on the grinding head is 0.2 mm.
The taper angle of the grinding head is 40-50 degrees.
The length of the grinding head is 18mm, and the length of the grinding part is 5 mm; the diameter of the grinding portion was 6 mm.
The diameter of cylinder portion is greater than the diameter of barrel, and the department that meets of cylinder portion and barrel passes through indent arc structure transitional coupling.
The rotary file is made of HRC 35-40 tungsten carbide.
The utility model has the advantages as follows:
the utility model has compact and reasonable structure and convenient operation, and realizes the quick coarse grinding and fine grinding treatment of the convex objects on the surface of the product by the conversion between the grinding part and the grinding head when in use; the grinding part is a single-edge with a steep edge angle and a deep groove, and the grinding part is quick in material removal and high in efficiency during grinding; the grinding head is a double-edge with a slow edge angle and a shallow groove, and effectively ensures the surface quality of a product when the material is removed, so that the product percent of pass is greatly improved while the material is quickly ground, the labor intensity of personnel is reduced, and the enterprise cost is reduced.
The utility model discloses still include following advantage:
the grinding head of toper structure for the rotary file laminates in the surface more when the part is polished, and the laminating is reliable, and the helping hand is polished in stabilizing.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Wherein: 1. a barrel; 2. an arc-shaped structure; 3. a cylindrical portion; 4. a grinding section; 5. and (6) grinding the head.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, the tungsten carbide rotary file for grinding the surface of a casting in the embodiment comprises a rod body 1, wherein a cylindrical part 3 extends forwards from the end part of the rod body 1, a grinding part 4 with a cylindrical structure extends forwards from the end part of the cylindrical part 3, a grinding head 5 with a truncated cone structure extends forwards from the end part of the grinding part 4, and the rod body 1, the cylindrical part 3, the grinding part 4 and the grinding head 5 are positioned on the same straight line and jointly form the rotary file with an integrated structure; the circumferential surface of the grinding part 4 is provided with a single-side edge, and the outer wall surface of the grinding head 5 is provided with a double-side edge; the grinding head 5 of toper structure for the rotary file laminates in the surface more when the part is polished, and the laminating is reliable, and the helping hand is polished in stabilizing.
The diameter of the grinding part 4 is larger than that of the cylindrical part 3, and a step is formed at the joint of the grinding part 4 and the cylindrical part 3.
The diameter of the large end of the grinding head 5 is equal to the diameter of the grinding part 4, and the small end plane of the grinding head 5 constitutes the bit end of the rotary file.
The sharpening angle of the single-side edge on the grinding part 4 is larger than that of the double-side edge on the grinding head 5, and the sharpening angle is an included angle between the edge teeth and the central axis; the depth of the groove between adjacent edge teeth on the grinding part 4 is greater than that of the groove between adjacent edge teeth on the grinding head 5.
The sharpening angle theta of the single-edge blade on the grinding part 4 is 45.5 degrees; the sharpening angle β of the double-sided edge on the grinding head 5 is 15.5 °.
The depth of the groove between the adjacent edge teeth on the grinding part 4 is 0.5mm, and the depth of the groove between the adjacent edge teeth on the grinding head 5 is 0.2 mm.
The taper angle alpha of the grinding head 5 is 40-50 deg..
The length of the grinding head 5 is 18mm, and the length of the grinding part 4 is 5 mm; the diameter of the grinding portion 4 is 6 mm.
The diameter of cylinder portion 3 is greater than the diameter of barrel 1, and cylinder portion 3 passes through 5 transitional coupling of indent arc structure with barrel 1 department of meeting.
The rotary file is made of HRC 35-40 tungsten carbide.
In the embodiment, the whole length of the rotary file is 70mm, and the diameter of the rod body 1 is 3 mm; the diameter of the barrel 1 can be set according to the tool to be held, and the length of the barrel 1 is greater than the depth of each corner of the part.
The utility model discloses an application principle does:
installing a rod body 1 of a rotary file on a pneumatic straight grinding machine, and quickly removing the bulges on the surface of the part by adopting a single-edge blade of a grinding part 4 with a steep blade angle and a deep groove; and then, a grinding head 5 with a gentle edge angle and a shallow groove and a conical structure is adopted, and the surface of the part is further ground and modified through double edges on the grinding head 5, so that the grinding of the part is completed.
The utility model is simple in operation, convenient to use when guaranteeing the speed of polishing and the quality of polishing, has effectively reduced the bistrique and has changed the number of times, has reduced personnel intensity of labour, and the practicality is good.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.
Claims (10)
1. The utility model provides a tungsten carbide rotary file on foundry goods surface polishes which characterized in that: the electric iron bar comprises a bar body (1), wherein a cylindrical part (3) extends forwards from the end part of the bar body (1), a grinding part (4) with a cylindrical structure extends forwards from the end part of the cylindrical part (3), a grinding head (5) with a cone frustum structure extends forwards from the end part of the grinding part (4), and the bar body (1), the cylindrical part (3), the grinding part (4) and the grinding head (5) are positioned on the same straight line and jointly form a rotary file with an integrated structure; the periphery of the grinding part (4) is provided with a single-side edge, and the outer wall surface of the grinding head (5) is provided with a double-side edge.
2. The tungsten carbide rotary file for grinding the surface of a casting as claimed in claim 1, wherein: the diameter of the grinding part (4) is larger than that of the cylindrical part (3), and a step is formed at the joint of the grinding part (4) and the cylindrical part (3).
3. The tungsten carbide rotary file for grinding the surface of a casting as claimed in claim 1, wherein: the diameter of the large end of the grinding head (5) is equal to that of the grinding part (4), and the small end plane of the grinding head (5) forms the end part of a tool bit of the rotary file.
4. The tungsten carbide rotary file for grinding the surface of a casting as claimed in claim 1, wherein: the sharpening angle of the single-edge blade on the grinding part (4) is larger than that of the double-edge blade on the grinding head (5); the depth of the groove between adjacent blade teeth on the grinding part (4) is greater than that of the groove between adjacent blade teeth on the grinding head (5).
5. The tungsten carbide rotary file for grinding the surface of a casting according to claim 4, wherein: the sharpening angle of the single-side edge on the grinding part (4) is 45.5 degrees; the sharpening angle of the double-sided edge on the grinding head (5) is 15.5 degrees.
6. The tungsten carbide rotary file for grinding the surface of a casting according to claim 4, wherein: the depth of the groove between adjacent edge teeth on the grinding part (4) is 0.5mm, and the depth of the groove between adjacent edge teeth on the grinding head (5) is 0.2 mm.
7. The tungsten carbide rotary file for grinding the surface of a casting as claimed in claim 1, wherein: the taper angle of the grinding head (5) is 40-50 degrees.
8. The tungsten carbide rotary file for grinding the surface of a casting as claimed in claim 1, wherein: the length of the grinding head (5) is 18mm, and the length of the grinding part (4) is 5 mm; the diameter of the grinding part (4) is 6 mm.
9. The tungsten carbide rotary file for grinding the surface of a casting as claimed in claim 1, wherein: the diameter of the cylindrical part (3) is larger than that of the rod body (1), and the joint of the cylindrical part (3) and the rod body (1) is in transition connection through the concave arc-shaped structure (2).
10. The tungsten carbide rotary file for grinding the surface of a casting as claimed in claim 1, wherein: the rotary file is made of HRC 35-40 tungsten carbide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020857318.2U CN212495749U (en) | 2020-05-20 | 2020-05-20 | Tungsten carbide rotary file for polishing surface of casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020857318.2U CN212495749U (en) | 2020-05-20 | 2020-05-20 | Tungsten carbide rotary file for polishing surface of casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212495749U true CN212495749U (en) | 2021-02-09 |
Family
ID=74393301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020857318.2U Active CN212495749U (en) | 2020-05-20 | 2020-05-20 | Tungsten carbide rotary file for polishing surface of casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212495749U (en) |
-
2020
- 2020-05-20 CN CN202020857318.2U patent/CN212495749U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100556610C (en) | Sensor QS-4 elastomer processing technology | |
| JP6516932B2 (en) | Cutter for electrode graphite and face milling cutter for oxide ceramic processing | |
| CN103157836A (en) | Positive-negative chamfering drilling bit used for processing of plate parts | |
| CN104551141A (en) | Titanium alloy casting milling method | |
| CN203281947U (en) | Positive and negative chamfering bit for machining plate parts | |
| CN212495749U (en) | Tungsten carbide rotary file for polishing surface of casting | |
| CN206677204U (en) | A kind of integrated coarse and fine boring cutting tool | |
| CN108393747A (en) | A kind of bar outer circle layering grinding processing method and its processing method | |
| CN207188851U (en) | With the top cutter of evagination | |
| CN110695374A (en) | Groove cutting machining method | |
| CN204565876U (en) | Spiral diamond grinding head | |
| CN211758926U (en) | VM type composite rotary cutter | |
| CN201419257Y (en) | End surface cutter for digital control vertical lathes | |
| CN212042952U (en) | Hard alloy rotary file | |
| CN109551025B (en) | Single-edge left-hand milling cutter for die copper electrode machining and using method thereof | |
| CN104690511B (en) | The outer square structure method for fine finishing of slender type, thin-walled stepped hole type inner circle | |
| JPH1080816A (en) | Solid ball end mill | |
| CN104476127B (en) | Cylinder head machining process | |
| CN212169199U (en) | Special tungsten carbide rotary file for polishing femoral condyle of artificial joint | |
| CN212371320U (en) | Composite rotary file tool for machining inner hole wall | |
| CN212443528U (en) | Composite rotary file tool for machining conical counter bores | |
| CN212885085U (en) | Side opening chamfering machining tool | |
| CN212371321U (en) | Compound rotatory file utensil convenient to chip removal | |
| CN213646143U (en) | Composite rotary file tool for chamfering internal fillet | |
| CN215698058U (en) | Welding tool assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |