CN212045059U

CN212045059U - Adhesive tape punching tool

Info

Publication number: CN212045059U
Application number: CN202020206538.9U
Authority: CN
Inventors: 薛松; 何凤涛; 樊西锋; 郭喜锋; 陈昶; 付建超; 孙荣江; 王浩; 刘大鹏
Original assignee: Chengdu Aircraft Industrial Group Co Ltd
Current assignee: Chengdu Aircraft Industrial Group Co Ltd
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-12-01
Anticipated expiration: 2030-02-25

Abstract

The utility model discloses an adhesive tape instrument of punching a hole belongs to the sealed sticky tape of aircraft ePTFE technical field that punches a hole, including placing the bush on the flap with install the cutter that punches a hole in the bush, the cutter that punches a hole includes handle of a knife and tool bit, handle of a knife and tool bit integrated into one piece, the tool bit includes cutting edge and tool bit body, cutting edge and tool bit body integrated into one piece, the cutting edge is kept away from tool bit body one end and is circular, the section of cutting edge is triangle-shaped, the handle of a knife is the lamella structure, has solved among the prior art sticky tape and has cut out the back through scissors or blade, the defect of rubber tape incision unevenness, and has used the inconvenient problem of.

Description

Adhesive tape punching tool

Technical Field

The utility model belongs to the technical field of aircraft ePTFE sealed adhesive tape punches a hole, concretely relates to adhesive tape instrument of punching a hole also is applicable to the trompil of other rubber materials.

Background

The traditional ePTFE sealing adhesive tape is punched by scissors or a blade, and the notch is uneven, so that a bolt cannot pass through the cut hole of the adhesive tape.

Disclosure of Invention

An object of the utility model is to provide an adhesive tape instrument of punching a hole solves among the prior art adhesive tape and cuts out the back through scissors or blade, and the defect of rubber tape incision unevenness, and operate inconvenient get the problem.

The purpose of the invention is realized by the following technical scheme: the utility model provides an adhesive tape instrument of punching a hole, is including placing the bush on the flap and installing the cutter that punches a hole in the bush, the cutter that punches a hole includes handle of a knife and tool bit, handle of a knife and tool bit integrated into one piece, the tool bit includes cutting edge and tool bit body, cutting edge and tool bit body integrated into one piece, tool bit body one end is kept away from to the cutting edge is circular, the section of cutting edge is triangle-shaped, the handle of a knife is the lamella column structure.

The bush with but punch a hole cutter assembled installation is in the same place, the bush includes bush pullover and bush cover body, the external diameter of bush pullover is 12.8mm, the internal diameter of bush pullover is 9.6mm, the internal diameter of bush cover body is 7.1 mm.

The bush sleeve body and the bush sleeve head are connected, protrusions are arranged inwards, and the inner diameter of each protrusion is not larger than the outer diameter of the knife handle.

An annular groove is formed in the outer side of the bushing body.

The section of cutting edge is right triangle, the cutting edge height is 3 mm.

The handle of a knife is four lamella column structures, all sets up width 1 mm's groove in the middle of four lamella column structures.

One end of the knife handle, which is far away from the knife head body, is provided with a 20-degree inclined notch.

One end of the knife handle, which is far away from the knife head body, is provided with a small bulge.

The beneficial effects of this technical scheme are as follows:

the utility model discloses a, this punching tool's punching cutter adopts integrated into one piece, and the structure is more stable, and practical life is longer, the cutting edge is kept away from tool bit body one end and is circular, promptly needs the size of trompil, and the handle of a knife is lamella structure, enables punching cutter more stable assembly in the bush, makes punching tool stable work; the structure is ingenious and easy to manufacture, the defect that the notch of the rubber belt is not flat after the rubber belt is cut by scissors or a blade in the prior art is overcome, and the rubber belt cutting device is convenient to use and operate.

Two, in the utility model discloses in, the bush with but punching cutter assembled installation is in the same place, the bush includes bush pullover and bush cover body, the external diameter of bush pullover is 12.8mm, the internal diameter of bush pullover is 9.6mm, the internal diameter of bush cover body is 7.1mm, and when the stable assembly of punching cutter that can be convenient for of design like this was in the bush, the protection punching cutter had been played, had reduced the damage that mounting friction such as punching cutter direct contact flap produced the punching cutter.

Thirdly, the utility model discloses in, bush cover body and bush pullover department of meeting inwards are equipped with protrudingly, outstanding internal diameter is not more than the external diameter of handle of a knife, punching cutter and bush clearance assembly, the assembly and the dismantlement of the instrument of being convenient for.

Fourthly, the utility model discloses in, a ring channel has been seted up in the bush cover body outside, and the stable installation of the bush of being convenient for is covered on the mouth.

Fifthly, the utility model discloses in, the section of cutting edge is right triangle, the cutting edge height is 3mm, this structure convenient to use.

Sixthly, the utility model discloses in, the handle of a knife is four lamella column structures, all sets up width 1 mm's groove in the middle of four lamella column structures, makes the stable installation in the bush the inside of the handle of a knife part of cutter punches a hole.

Seventhly, the utility model discloses in, tool bit body one end is kept away from to the handle of a knife is equipped with 20 scarf, and this structure has reduced the wearing and tearing of handle of a knife and is safer.

Eighthly, the utility model discloses in, the handle of a knife is kept away from tool bit body one end and is provided with little protruding, can prevent that the handle of a knife from assembling to drop behind the bush.

Drawings

The foregoing and following detailed description of the invention will be apparent when read in conjunction with the following drawings, in which:

fig. 1 is a schematic sectional view of the assembled punching tool of the present invention.

Fig. 2 is a schematic sectional view of a punching blade of the punching tool.

Fig. 3 is a bottom view of fig. 2.

Fig. 4 is a schematic structural view of a punching tool in example 2.

Fig. 5 is a schematic view of the structure of the bushing in embodiment 2.

In the figure: 1. a flap; 2. a bushing; 3. a punching cutter; 4. a knife handle; 5. a cutter head; 6. a blade; 7. a tool bit body; 8. sleeving a bushing; 9. the bushing body; 10. protruding; 11. an annular groove; 12. a groove; 13. a bevel notch; 14. a small protrusion; 15. and sealing the adhesive tape.

Detailed Description

The technical solution for achieving the objectives of the present invention will be further described by using several specific examples, and it should be noted that the technical solution claimed in the present invention includes, but is not limited to, the following examples.

Example 1

Referring to fig. 1, 2, 3, a sticky tape instrument of punching a hole belongs to 15 technical field that punch a hole of aircraft ePTFE sealed tape, including placing bush 2 on flap 1, and install the cutter 3 that punches a hole in bush 2, cutter 3 that punches a hole includes handle of a knife 4 and tool bit 5, handle of a knife 4 and tool bit 5 integrated into one piece, tool bit 5 includes cutting edge 6 and tool bit body 7, cutting edge 6 and tool bit body 7 integrated into one piece, cutting edge 6 is kept away from 7 one end of tool bit body and is circular, the section of cutting edge 6 is triangle-shaped, handle of a knife 4 is the lamella column structure.

The embodiment is the most basic implementation mode, the bushing 2 is fixedly installed in the flap 1, or in a fixing piece structurally matched with the bushing 2, the integrally formed punching cutter 3 is installed in the bushing 2, the ePTFE sealing tape 15 is adhered to the flap 1 and covered above the blade 6 of the punching cutter 3, then the sealing tape 15 at the punching tool is pressed by a tool such as a wood hammer, and the tape is removed through the blade 6 of the punching cutter 3, so that the punching work of the ePTFE sealing tape 15 is achieved.

Example 2

Referring to fig. 2 and 3, an adhesive tape punching tool belongs to 15 technical field that punch a hole of aircraft ePTFE sealed adhesive tape, including placing bush 2 on flap 1, and install the cutter 3 that punches a hole in bush 2, cutter 3 that punches a hole includes handle of a knife 4 and tool bit 5, handle of a knife 4 and tool bit 5 integrated into one piece, tool bit 5 includes cutting edge 6 and tool bit body 7, cutting edge 6 and tool bit body 7 integrated into one piece, cutting edge 6 is kept away from 7 one end of tool bit body and is circular, the section of cutting edge 6 is triangle-shaped, handle of a knife 4 is the lamella column structure.

Further, bush 2 with punch a hole cutter 3 can be assembled together, bush 2 includes bush pullover 8 and bush cover body 9, the external diameter of bush pullover 8 is 12.8mm, the internal diameter of bush pullover 8 is 9.6mm, the internal diameter of bush cover body 9 is 7.1 mm.

Furthermore, a protrusion 10 is arranged inwards at the joint of the bushing sleeve body 9 and the bushing sleeve head 8, and the inner diameter of the protrusion 10 is smaller than the outer diameter of the knife handle 4.

Further, an annular groove 11 is formed in the outer side of the bushing body 9, and the width of the annular groove 11 is set to be 1.3 mm.

Furthermore, the section of the blade 6 is a right triangle, the height of the blade 6 is 3mm, the inclination of the blade 6 is 15 degrees, and the blade 6 with the inclination is obtained by multiple tests in production, so that the punching efficiency is higher when the blade 6 with the inclination is close to the inclination.

Further, the handle 4 is four petal-shaped structures, and a groove 12 with the width of 1mm is formed in the middle of each petal-shaped structure.

Furthermore, one end of the knife handle 4, which is far away from the knife head body 7, is provided with a 20-degree inclined notch 13.

Further, a small protrusion 14 is arranged at one end, far away from the tool bit body 7, of the tool shank 4.

This embodiment does the utility model discloses better a mode of realization, bush 2 and the size in the structure and the figure that the cutter 3 that punches a hole adopted this technical scheme can solve among the prior art sticky tape and tailor the back through scissors or blade, the problem of the defect of rubber tape incision unevenness, and the precision that cutter 3 that punches a hole in this embodiment relates to is executed according to HB5800 general tolerance standard, and for example the angular tolerance is 30', and the roughness is 0-0.4 mm.

Example 3

The utility model provides an sticky tape instrument of punching a hole, belongs to 15 technical field that punch a hole of aircraft ePTFE sealed tape, is another kind of implementation on embodiment 2 basis, including placing bush 2 on flap 1, and install the cutter 3 that punches a hole in bush 2, the cutter 3 that punches a hole includes handle of a knife 4 and tool bit 5, handle of a knife 4 and tool bit 5 integrated into one piece, tool bit 5 includes cutting edge 6 and tool bit body 7, cutting edge 6 and tool bit body 7 integrated into one piece, cutting edge 6 keeps away from 7 one end of tool bit body for circular, the section of cutting edge 6 is triangle-shaped, handle of a knife 4 is the lamella column structure.

Furthermore, a protrusion 10 is arranged inwards at the joint of the bushing sleeve body 9 and the bushing sleeve head 8, and the inner diameter of the protrusion 10 is equal to the outer diameter of the knife handle 4.

Further, an annular groove 11 is formed in the outer side of the bushing body 9.

Further, the section of the cutting edge 6 is a right triangle, the height of the cutting edge 6 is 3mm, and the inclination of the cutting edge 6 is 15 °.

Further, handle of a knife 4 is kept away from 7 one ends of tool bit body and is provided with little jut 14, and the handle of a knife 4 and the cooperation of little jut 14 of lamella column structure enable stable assembly of handle of a knife 4 in bush 2, prevent to drop, and clearance fit between cutter 3 and the bush 2 that just punches a hole, easy assembly reduces the cutter that bush 2 produced to cutter 3 that punches a hole.

Claims

1. The utility model provides a sticky tape punching tool which characterized in that: including placing bush (2) on flap (1) and install cutter (3) that punch a hole in bush (2), cutter (3) that punch a hole includes handle of a knife (4) and tool bit (5), handle of a knife (4) and tool bit (5) integrated into one piece, tool bit (5) are including cutting edge (6) and tool bit body (7), cutting edge (6) and tool bit body (7) integrated into one piece, cutting edge (6) are kept away from tool bit body (7) one end and are circular, the section of cutting edge (6) is triangle-shaped, handle of a knife (4) are the lamella column structure.

2. The tape punch tool of claim 1, wherein: bush (2) with but punching a hole cutter (3) assembled installation together, bush (2) are including bush pullover (8) and bush cover body (9), the external diameter of bush pullover (8) is 12.8mm, the internal diameter of bush pullover (8) is 9.6mm, the internal diameter of bush cover body (9) is 7.1 mm.

3. The tape punch tool of claim 2, wherein: the bush sleeve body (9) and the bush sleeve head (8) are connected, a protrusion (10) is arranged inwards, and the inner diameter of the protrusion (10) is not larger than the outer diameter of the knife handle (4).

4. The tape punch tool of claim 3, wherein: an annular groove (11) is formed in the outer side of the bushing body (9).

5. The tape punch tool of claim 1, wherein: the section of cutting edge (6) is right triangle, cutting edge (6) height is 3 mm.

6. The tape punch tool of claim 1, wherein: the knife handle (4) is of four petal-shaped structures, and grooves (12) with the width of 1mm are formed in the middle of the four petal-shaped structures.

7. The tape punch tool of claim 6, wherein: one end of the knife handle (4) far away from the knife head body (7) is provided with a 20-degree inclined notch (13).

8. The tape punch tool of claim 7, wherein: one end of the knife handle (4) far away from the knife head body (7) is provided with a small protrusion (14).