CN216372535U - Hollow drill for plastic film and cloth - Google Patents
Hollow drill for plastic film and cloth Download PDFInfo
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- CN216372535U CN216372535U CN202122701086.9U CN202122701086U CN216372535U CN 216372535 U CN216372535 U CN 216372535U CN 202122701086 U CN202122701086 U CN 202122701086U CN 216372535 U CN216372535 U CN 216372535U
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- drill
- drill rod
- cloth
- hole
- plastic films
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Abstract
The utility model discloses a hollow drill cutter for plastic films and distribution, which comprises a drill rod, wherein an inner hole is formed in one end of the drill rod, a drill blade surface is arranged on the outer wall of one end of the drill rod and is a 70-degree outer chamfer, blade edges of the drill blade surface are positioned at the end faces of the inner hole and are mutually superposed, and the central axis of the drill blade surface and the central axis of the drill rod are mutually superposed; according to the utility model, through the designed drill blade surface, the drill blade surface is arranged on the outer wall of the drill rod in an outward chamfer manner, so that the drill blade surface is directly contacted with the plastic film and the cloth when the plastic film and the cloth are punched, the plastic film and the cloth are prevented from deforming to a certain extent, the punched hole diameter of the plastic film and the cloth is equal to the inner hole of the drill rod, the waste material is prevented from being blocked at the inner hole of the drill rod, and the plastic film and the cloth are more smoothly punched and discharged.
Description
Technical Field
The utility model belongs to the technical field of hollow drill cutters, and particularly relates to a hollow drill cutter for plastic films and cloth.
Background
The hollow drill knife is a tool which is arranged on equipment such as a binding machine, a perforating machine and the like to realize drilling or punching of soft materials made of plastic films and cloth, the hollow drill knife has the characteristics of high hardness, high wear resistance, high toughness, long service life and the like, an inner hole is specially processed, the paper discharge is smooth, the resistance is small, the hollow drill is made of high-speed steel, the quenching hardness of the high-speed steel is more than HRC62, the drilling opening is wear-resistant, and the annealing temperature of the high-speed steel is 580 ℃, so the annealing cannot be performed during drilling.
Current core drill in use, install it on drilling equipment, drive it through drilling equipment and carry out high-speed rotation, the realization punches plastic film and cloth, but current core drill's drill blade face all sets up the inboard in drilling, it produces the external diameter big to lead to it to bore, the phenomenon that the internal diameter is little, add man-hour to plastic film and cloth, plastic film and cloth receive drill bit tip extrusion, make it take place the deformation, it slightly is greater than the drilling rod hole to lead to its waste material after punching through inside drill blade face, lead to its chip removal to take place the problem of jam easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a hollow drill for plastic films and cloth, which solves the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the hollow drill cutter for plastic films and cloth comprises a drill rod, wherein an inner hole is formed in one end of the drill rod, a drill blade face is arranged on the outer wall of one end of the drill rod and is a 70-degree outer chamfer, blade edges of the drill blade face are positioned at the end faces of the inner hole and coincide with each other, and the central axis of the drill blade face and the central axis of the drill rod coincide with each other.
Preferably, an end block is fixed at the other end of the drill rod, and a through hole is formed in the end face of the end block.
Preferably, one end of the end block is connected with an end post, and the end face of the end post is provided with a chip ejecting hole ejecting chips towards the cutting edge direction.
Preferably, the central axes of the chip-ejecting hole, the through hole and the inner hole are coincident with each other.
Preferably, the longitudinal section of the end block is of a convex structure, and the longitudinal sections of the drill rod and the end column are of circular structures.
Preferably, the drill pipe, end block and end post are all high speed steel members.
Compared with the prior art, the utility model has the beneficial effects that:
(1) through the designed drill blade face, the drill blade face is arranged on the outer wall of the drill rod in an outward chamfering mode, when plastic films and cloth are punched, the drill blade face is directly contacted with the plastic films and the cloth, the plastic films and the cloth are punched, certain deformation of the plastic films and the cloth is guaranteed, the punched hole diameter of the plastic films and the cloth is equal to the inner hole of the drill rod, waste materials are guaranteed not to be blocked at the inner hole of the drill rod, the plastic films and the cloth are enabled to be more smoothly punched and discharged, the drill rod is arranged at one end of the drill rod through the designed end post, the designed chip-pushing hole is formed in the end post, the end post is arranged at one end of the drill rod, the waste materials collected in the machining process of the inner hole of the drill rod enter the ejector pin to be ejected out of the ejector pin, the waste materials are discharged from the bottom end of the inner hole, and timely material discharge is achieved.
(2) The drill rod, the end block and the end column are all high-speed steel components, the quenching hardness of the high-speed steel is more than HRC62, so that the drill hole is wear-resistant, the annealing temperature of the high-speed steel is 580 ℃, and the high-speed steel cannot be annealed during drilling, so that the high-speed steel drill rod and the high-speed steel end column are more stable in work.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial cross-sectional view of a drill rod of the present invention;
FIG. 3 is a side view of the drill stem of the present invention;
in the figure: 1. a drill stem; 2. an end-block; 4. an end post; 5. a chip ejection hole; 6. drilling a blade surface; 7. an inner bore.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1 to 3, the present invention provides a technical solution: a hollow drill for plastic films and cloth comprises a drill rod 1, wherein one end of the drill rod 1 is provided with an inner hole 7, the outer wall of one end of the drill rod 1 is provided with a drill edge surface 6, the drill edge surface 6 is an outer chamfer of 70 degrees, the drill edge surface 6 is arranged on the outer wall of the drill rod 1 through the designed drill edge surface 6, when the plastic films and the cloth are punched, the drill edge surface 6 is directly contacted with the plastic films and the cloth, so that the plastic films and the cloth are punched, the plastic films and the cloth are ensured not to deform to a certain extent, the punched hole diameter of the plastic films and the cloth is equal to the inner hole of the drill rod 1, waste materials are ensured not to be blocked at the inner hole 7 of the drill rod 1, the utility model is ensured to punch and discharge more smoothly the plastic films and the cloth, the edge of the drill edge surface 6 is positioned at the end surface of the inner hole 7 and are mutually superposed, and the central axis of the drill edge surface 6 and the central axis of the drill rod 1 are mutually superposed, the other end of the drill rod 1 is fixed with an end block 2, and the end face of the end block 2 is provided with a through hole.
In this embodiment, preferably, one end of the end block 2 is connected with an end post 4, an end face of the end post 4 is provided with a chip ejecting hole 5 for ejecting chips in the cutting edge direction, central axes of the chip ejecting hole 5, the through hole and the inner hole 7 coincide with each other, the chip ejecting hole 5 is arranged on the end post 4 through the designed chip ejecting hole 5, the end post 4 is installed at one end of the drill rod 1, and waste materials collected in the machining process of the inner hole 7 of the drill rod 1 enter the ejector pin to eject the waste materials, so that the waste materials are discharged from the bottom end of the inner hole 7, and timely material discharge is realized.
In the embodiment, the longitudinal section of the end block 2 is preferably in a convex-letter-shaped structure, the longitudinal sections of the drill rod 1 and the end column 4 are all in a circular structure, the drill rod 1, the end block 2 and the end column 4 are all high-speed steel members, and the drill rod 1, the end block 2 and the end column 4 are designed to be all high-speed steel members, and the quenching hardness of the high-speed steel is higher than HRC62, so that the drill hole is wear-resistant, the annealing temperature of the high-speed steel is 580 ℃, annealing is avoided during drilling, and the work of the utility model is more stable.
The working principle and the using process of the utility model are as follows: when the utility model is used for punching plastic films and cloth, a drill rod 1 of the utility model is arranged on punching equipment, wherein a drill blade surface 6 of the utility model is a 70-degree outer chamfer and is arranged on the outer wall of the drill rod 1, when the plastic films and the cloth are punched, the drill blade surface 6 is directly contacted with the plastic films and the cloth, so that the plastic films and the cloth can be punched, the blade surface of the traditional drill knife can not be positioned in the interior, punching can be carried out only after certain extrusion is carried out, further the plastic films and the cloth can not be deformed to a certain extent under the action of extrusion, the punched hole diameter of the plastic films and the cloth is equal to the inner hole of the drill rod 1, meanwhile, the waste material can not have deformation allowance, the plastic films and the cloth can not be blocked at the inner hole 7 of the drill rod 1, the utility model can be ensured to be punched and chip can be removed more smoothly, after the punching is finished, a chip-ejecting hole 5 of the utility model is arranged on an end column 4, the end column 4 is arranged at one end of the drill rod 1, waste materials collected in the machining process of the inner hole 7 of the drill rod 1 enter the ejector pin to be ejected out by the inner part of the chip ejecting hole 5, and are discharged from the bottom end of the inner hole 7, and timely discharge is realized, wherein the drill rod 1 is made of high-speed steel, the quenching hardness of the high-speed steel is more than HRC62, so that the drill hole is wear-resistant, the annealing temperature of the high-speed steel is 580 ℃, annealing is avoided during drilling, and the work of the drill rod is more stable.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Plastic film and hollow drill for cloth, including drilling rod (1), its characterized in that: an inner hole (7) is formed in one end of the drill rod (1), a drill blade face (6) is arranged on the outer wall of one end of the drill rod (1), the drill blade face (6) is an outer chamfer of 70 degrees, blade edges of the drill blade face (6) are positioned on the end faces of the inner hole (7) and coincide with each other, and the central axis of the drill blade face (6) and the central axis of the drill rod (1) coincide with each other.
2. The hollow drill for plastic films and cloths as claimed in claim 1, characterized in that: the other end of the drill rod (1) is fixed with an end block (2), and the end face of the end block (2) is provided with a through hole.
3. The hollow drill for plastic films and cloths as claimed in claim 2, characterized in that: one end of the end block (2) is connected with an end post (4), and a scrap ejecting hole (5) ejecting scraps towards the cutting edge direction is formed in the end face of the end post (4).
4. The hollow drill for plastic films and cloths as claimed in claim 3, characterized in that: the central axes of the chip-ejecting hole (5), the through hole and the inner hole (7) are mutually overlapped.
5. The hollow drill for plastic films and cloths as claimed in claim 3, characterized in that: the longitudinal section of the end block (2) is of a convex structure, and the longitudinal sections of the drill rod (1) and the end column (4) are of circular structures.
6. The hollow drill for plastic films and cloths as claimed in claim 5, characterized in that: the drill rod (1), the end block (2) and the end column (4) are all high-speed steel members.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122701086.9U CN216372535U (en) | 2021-11-06 | 2021-11-06 | Hollow drill for plastic film and cloth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122701086.9U CN216372535U (en) | 2021-11-06 | 2021-11-06 | Hollow drill for plastic film and cloth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216372535U true CN216372535U (en) | 2022-04-26 |
Family
ID=81249124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122701086.9U Active CN216372535U (en) | 2021-11-06 | 2021-11-06 | Hollow drill for plastic film and cloth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216372535U (en) |
-
2021
- 2021-11-06 CN CN202122701086.9U patent/CN216372535U/en active Active
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