CN210678305U - Simple multifunctional twist drill grinding tool - Google Patents
Simple multifunctional twist drill grinding tool Download PDFInfo
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- CN210678305U CN210678305U CN201921137336.7U CN201921137336U CN210678305U CN 210678305 U CN210678305 U CN 210678305U CN 201921137336 U CN201921137336 U CN 201921137336U CN 210678305 U CN210678305 U CN 210678305U
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Abstract
The utility model discloses a simple and easy multi-functional grinding fluted drill frock, including three body and three locking screw, the upper end of three body is fixed together the back, three body is article font and distributes, first inclined plane and second inclined plane have been arranged to the lower extreme of each body, one side on first inclined plane and one side coincidence back on second inclined plane, contained angle between first inclined plane and the second inclined plane is 118, each is internal to dispose one and places the hole, the internal diameter that respectively places the hole increases in proper order, respectively place the hole and run through to the coincidence limit on first inclined plane and second inclined plane from the upper end of body, the lateral wall of each body is provided with the locking hole, after the one end of each locking screw passes corresponding locking hole, stretch and place downthehole portion. Through setting up three fixed body together to this internal diameter is different places the hole in each, can place the fluted drill of different specifications, and then artifical the grinding.
Description
Technical Field
The utility model relates to an auxiliary device, especially a simple and easy multi-functional grinding fluted drill frock in the automobile parts production research field.
Background
Twist drills are tools for drilling round holes in workpieces by rotary cutting relative to a fixed axis, and are known as twist drills because the chip flutes are helical. The helical groove has 2, 3 or more grooves, but 2 grooves are most common. The standard angle of the drill position of the twist drill is 118 degrees, and the drill angle position is easy to wear due to the high use frequency of the twist drill, so that an operator needs to repair the twist drill. The common mode in the prior art is that the angle of the twist drill is ground on a grinding machine by holding the twist drill by hand, and the angle is judged by visual inspection in the grinding process, so that the ground twist drill has an nonstandard angle. This department has applied for a twist drill frock in 2018, and it includes body and locking screw, the body includes upper end and lower extreme, and first inclined plane and second inclined plane have been arranged to the lower extreme, after the coincidence of one side on first inclined plane and second inclined plane, contained angle between first inclined plane and the second inclined plane is 118, and the hole is placed to the upper end arrangement, the direction of placing the terminal surface along the upper end to the coincidence limit on first inclined plane and second inclined plane of hole and running through, at least one lateral wall sets up the locking hole in the body, the axis in locking hole is perpendicular with the axis of placing the hole, and it is applicable to the manual grinding of the twist drill of a model, however, in production, the diameter range of twist drill is 1 ~ 46mm, if a specification configuration frock, the too much twist drill frock, and it is many to take up an area of space, and the management is not convenient. Therefore, a simple tool capable of realizing manual grinding of twist drills with various specifications is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple and easy multi-functional grinding fluted drill frock, its fluted drill hand grinding who is applicable to multiple specification.
The utility model provides a solution of its technical problem is: the utility model provides a simple and easy multi-functional grinding twist drill frock, includes three body and three locking screw, it is three after the upper end of body is fixed together, three body is the distribution of article font, each first inclined plane and second inclined plane have been arranged to the lower extreme of body, after one side on first inclined plane and the coincidence of one side on second inclined plane, the contained angle between first inclined plane and the second inclined plane is 118, each dispose one in the body and place the hole, each the internal diameter that places the hole increases in proper order, each place the hole and run through to the coincidence limit on first inclined plane and second inclined plane from the upper end of body, each the lateral wall of body is provided with the locking hole, each locking screw's one end is passed after corresponding locking hole, stretches to and places downthehole portion.
As the further improvement of the technical scheme, the placing holes comprise circular holes at the upper end of the body and rhombic holes at the lower end of the body, and the locking holes are communicated with the rhombic holes.
As a further improvement of the technical scheme, the locking screw comprises a threaded rod and a rotating rod which is perpendicular to the threaded rod, the rotating rod and the threaded rod are arranged in a T shape, and the end face of one end of the threaded rod, far away from the rotating rod, is a plane.
As a further improvement of the above technical solution, the placing holes in the three bodies are respectively a first placing hole, a second placing hole and a third placing hole, the inner diameter of the first placing hole is smaller than the inner diameter of the second placing hole, and the inner diameter of the second placing hole is smaller than the inner diameter of the third placing hole.
The utility model has the advantages that: the utility model discloses a set up three fixed body together to this internal diameter different placing hole of setting up in each can place the fluted drill of different specifications, and then the manual work grinds. In addition, three twist drills can be installed simultaneously, the three twist drills are ground in sequence, the grinding is convenient and fast, and the ground angle meets the standard.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a cross-sectional view of the present invention.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions.
Referring to fig. 1-2, a simple multifunctional grinding twist drill tool comprises three bodies and three locking screws 4, wherein after the upper ends of the three bodies are fixed together, the three bodies are distributed in a delta shape, namely, an included angle between two adjacent bodies is 120 degrees, a first inclined surface 5 and a second inclined surface 6 are arranged at the lower end of each body, after one side of the first inclined surface 5 is superposed with one side of the second inclined surface 6, the included angle between the first inclined surface 5 and the second inclined surface 6 is 118 degrees, a placing hole is arranged in each body, the inner diameter of each placing hole is sequentially increased, each placing hole penetrates through the superposed sides of the first inclined surface 5 and the second inclined surface 6 from the upper end of each body, a locking hole is formed in the side wall of each body, and one end of each locking screw 4 penetrates through the corresponding locking hole and extends into the placing hole. The locking hole is a threaded hole.
The twist drill is inserted from placing the hole on one hand of operating personnel, and operating personnel's another hand screw in locking screw 4, and locking screw 4's terminal surface is fixed with it after the side pressure touch twist drill, and operating personnel grinds twist drill's drill bit position along first inclined plane 5 and second inclined plane 6 for the angle after the grinding reaches 118, convenient and fast, and the angle after the grinding accords with the standard.
The placing holes comprise circular holes located at the upper end of the body and rhombic holes located at the lower end of the body, and the locking holes are communicated with the rhombic holes. The locking hole penetrates out of one edge of the diamond hole. Namely, when the twist drill is installed, the twist drill leans against the edge opposite to the diamond hole, and the locking screw 4 penetrates out of the locking hole to press the twist drill. Specifically, the utility model discloses in, edge through the diamond hole, two adjacent faces of this edge and locking screw 4 are fixed with the fluted drill.
The locking screw 4 comprises a threaded rod 40 and a rotating rod 41 vertically arranged with the threaded rod 40, the rotating rod 41 and the threaded rod 40 are arranged in a T shape, and the end face of one end of the threaded rod 40, far away from the rotating rod 41, is a plane. After the operator rotates the rotating rod 41, the threaded rod 40 can be screwed into the locking hole, and the twist drill placed in the placing hole is pressed tightly.
The three bodies are respectively a first body 1, a second body 2 and a third body 3, a first placing hole is formed in the first body 1, a second placing hole is formed in the second body 2, a third placing hole is formed in the third body 3, the inner diameter of the first placing hole is smaller than that of the second placing hole, and the inner diameter of the second placing hole is smaller than that of the third placing hole. The first placing holes comprise first circular holes 11 and first diamond-shaped holes 10, the second placing holes comprise second circular holes 21 and second diamond-shaped holes 20, and the third placing holes comprise third circular holes 31 and third diamond-shaped holes 30. The inner diameter of the first diamond-shaped hole 10 is smaller than that of the second diamond-shaped hole 20, and the inner diameter of the second diamond-shaped hole 20 is smaller than that of the third diamond-shaped hole 30. The inner diameter refers to the diameter of a circle or the distance between two opposing faces in a diamond shape. And the inner diameters of the first circular hole 11, the second circular hole 21 and the third circular hole 31 are sequentially increased, or the inner diameters of the first circular hole 11, the second circular hole 21 and the third circular hole 31 are equal.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.
Claims (4)
1. The utility model provides a simple and easy multi-functional grinding fluted drill frock which characterized in that: the locking device comprises three bodies and three locking screws, wherein after the upper ends of the bodies are fixed together, the three bodies are distributed in a shape like a Chinese character 'pin', a first inclined plane and a second inclined plane are arranged at the lower end of each body, after one side of the first inclined plane is coincided with one side of the second inclined plane, an included angle between the first inclined plane and the second inclined plane is 118 degrees, a placing hole is configured in each body, the inner diameter of each placing hole is sequentially increased, each placing hole penetrates through the upper end of each body to the coincided side of the first inclined plane and the second inclined plane, locking holes are formed in the side wall of each body, and one end of each locking screw penetrates through the corresponding locking hole and then extends into the placing hole.
2. The simple multifunctional grinding twist drill tool according to claim 1, characterized in that: the placing holes comprise circular holes located at the upper end of the body and rhombic holes located at the lower end of the body, and the locking holes are communicated with the rhombic holes.
3. The simple multifunctional grinding twist drill tool according to claim 1, characterized in that: the locking screw comprises a threaded rod and a rotating rod arranged perpendicular to the threaded rod, the rotating rod and the threaded rod are arranged in a T shape, and the end face, far away from the rotating rod, of the threaded rod is a plane.
4. The simple multifunctional grinding twist drill tool according to claim 1, characterized in that: the placing holes in the three bodies are respectively a first placing hole, a second placing hole and a third placing hole, the inner diameter of the first placing hole is smaller than that of the second placing hole, and the inner diameter of the second placing hole is smaller than that of the third placing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921137336.7U CN210678305U (en) | 2019-07-18 | 2019-07-18 | Simple multifunctional twist drill grinding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921137336.7U CN210678305U (en) | 2019-07-18 | 2019-07-18 | Simple multifunctional twist drill grinding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210678305U true CN210678305U (en) | 2020-06-05 |
Family
ID=70900405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921137336.7U Active CN210678305U (en) | 2019-07-18 | 2019-07-18 | Simple multifunctional twist drill grinding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210678305U (en) |
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2019
- 2019-07-18 CN CN201921137336.7U patent/CN210678305U/en active Active
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