CN217072642U - Straight taper hole hollow drill for ticket binding and punching - Google Patents
Straight taper hole hollow drill for ticket binding and punching Download PDFInfo
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- CN217072642U CN217072642U CN202123369422.0U CN202123369422U CN217072642U CN 217072642 U CN217072642 U CN 217072642U CN 202123369422 U CN202123369422 U CN 202123369422U CN 217072642 U CN217072642 U CN 217072642U
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- hole
- chip removal
- aperture
- cutter body
- hollow drill
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Abstract
The utility model discloses a ticket business is bound and is punched with straight taper hole hollow drill cutter, it includes the cutter body, the cutter body is provided with the chip removal passageway, the cutter body has drilling portion and chip removal portion, the chip removal passageway has the cutting edge hole, with the first chip removal hole of cutting edge hole intercommunication and with the second chip removal hole of first chip removal hole intercommunication, first chip removal hole site is between cutting edge hole and the second chip removal hole, the cutting edge hole site is in drilling portion, first chip removal hole and second chip removal hole all are located chip removal portion, the aperture in second chip removal hole is greater than the aperture in first chip removal hole. When the drill bit punches, paper scraps entering the scrap discharge channel are accumulated more and more, and when part of the paper scraps gradually go deep into the second scrap discharge hole from the first scrap discharge hole, the paper scraps piled together have an explosion and scattering action because the aperture of the second scrap discharge hole is larger than that of the first scrap discharge hole, so that the technical problem that the cutter body is pushed against an external driving motor due to the fact that the cutter body is extruded along with the gradual increase of the paper scraps entering the scrap discharge channel in the prior art is solved.
Description
Technical Field
The utility model belongs to the technical field of the brill sword technique of punching and specifically relates to a ticket business is bound and is punched with straight taper hole hollow brill sword is related to.
Background
The traditional punching drill cutter is generally provided with a straight cylindrical chip removal hole at the drilling end for guiding paper chips to be discharged, but the problem that the cutter body is deadly jacked with an external driving motor due to the fact that the cutter body is extruded by the paper chips as the number of the paper chips entering the chip removal hole is gradually increased due to the structural design, a large amount of manpower and time are needed to be spent for adjusting the abnormity of the equipment, the production line efficiency is low, and therefore improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a ticket business is bound and is punched with straight taper hole core drill has solved among the prior art along with the shredded paper bits that get into in the chip removal passageway increase gradually and extrude the cutter body and make cutter body and external driving motor dead technical problem in top, promotes the stability and the reliability of drill.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: the utility model provides a ticket affairs are bound and are punched with straight taper hole core drill, which comprises a cutter body, the cutter body is provided with the chip removal passageway, the chip removal passageway runs through the cutter body, the cutter body has drilling portion and chip removal portion, the chip removal passageway has the cutting edge hole, the first chip removal hole of intercommunication and the second chip removal hole of intercommunication with the first chip removal hole with the cutting edge hole, first chip removal hole is located between cutting edge hole and the second chip removal hole, the cutting edge hole is located drilling portion, first chip removal hole and second chip removal hole all are located the chip removal portion, the aperture in second chip removal hole is greater than the aperture in first chip removal hole.
In a further technical scheme, the first chip removal hole is a chip removal straight hole, and the aperture size of the first chip removal hole along the length direction of the first chip removal hole is fixed and unchanged.
In a further technical scheme, the second chip removal hole is a chip removal inclined hole, the aperture of the chip removal inclined hole close to one end of the first chip removal hole is smaller than the aperture of the chip removal inclined hole far away from one end of the first chip removal hole, and the aperture of the chip removal inclined hole close to one end of the first chip removal hole is larger than or equal to the aperture of the first chip removal hole.
In a further technical scheme, the second chip removal hole is a chip removal straight hole, and the aperture size of the second chip removal hole along the length direction is fixed.
In a further technical scheme, the chip removal inclined hole is a tapered hole, the hole diameter of the chip removal inclined hole is gradually increased from one end of the chip removal inclined hole close to the first chip removal hole to one end of the chip removal inclined hole away from the first chip removal hole.
In a further technical scheme, the knife edge hole is a conical hole, the diameter of the knife edge hole gradually decreases from the end, far away from the chip removal inclined hole, of the knife edge hole to the end, close to the chip removal inclined hole, of the knife edge hole, and the included angle of the knife edge hole is 45-90 degrees.
In a further technical scheme, the cutter body is cylindric, and the external diameter dimension that chip removal portion is close to drilling portion one end is less than the external diameter dimension that chip removal portion kept away from drilling portion one end.
In a further technical scheme, the cutter body has the broach shell connecting portion that is used for connecting the broach shell, and the chip removal position is located between drilling portion and the broach shell connecting portion, and the chip removal passageway runs through broach shell connecting portion, and the external diameter of chip removal portion is less than the external diameter of broach shell connecting portion.
In a further technical scheme, the cutter sleeve connecting part is provided with an annular groove, and the cutter body is in locking fit with a locking clamping part of the external cutter sleeve through the annular groove.
In a further technical scheme, the knife pouch connecting portion disposes flexible card post, and flexible card post activity sets up on knife pouch connecting portion and can stretch out or the lateral surface that contracts into knife pouch connecting portion, and the piece is held to external locking card has the centre bore and the circular slot who sets up from the hole side concave of centre bore, and in the knife pouch connecting portion inserted the centre bore, flexible card post was used for stretching into circular slot.
After the structure is adopted, compared with the prior art, the utility model the advantage that has is:
when the drill bit punches, paper scraps entering the scrap discharge channel are accumulated more and more, and when part of the paper scraps gradually go deep into the second scrap discharge hole from the first scrap discharge hole, the paper scraps piled together have an explosion and scattering action because the aperture of the second scrap discharge hole is larger than that of the first scrap discharge hole, so that the technical problem that the cutter body is pushed against an external driving motor due to the fact that the cutter body is extruded along with the gradual increase of the paper scraps entering the scrap discharge channel in the prior art is solved, and the stability and the reliability of the drill bit are improved.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic cross-sectional view of a bore portion;
fig. 4 is a schematic cross-sectional view of yet another embodiment of a bore portion.
FIG. 5 is a schematic cross-sectional view of yet another embodiment of a bore portion
Detailed Description
The following are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 5, the present invention provides a method for achieving the above object, the present invention adopts the following technical solutions: the utility model provides a ticket affairs are bound and are punched with straight taper hole core drill, it includes cutter body 1, cutter body 1 is provided with chip removal channel 100, chip removal channel 100 runs through cutter body 1, cutter body 1 has drilling portion 10 and chip removal portion 11, chip removal channel 100 has cutting edge hole 1000, the first chip removal hole 1001 and the second chip removal hole 1002 that communicates with first chip removal hole 1001 of cutting edge hole 1000 intercommunication, first chip removal hole 1001 is located between cutting edge hole 1000 and the second chip removal hole 1002, cutting edge hole 1000 is located drilling portion 10, first chip removal hole 1001 and second chip removal hole 1002 all are located chip removal portion 11, the aperture of second chip removal hole 1002 is greater than the aperture of first chip removal hole 1001. When the drill bit punches a hole, paper scraps entering the chip removal channel 100 are accumulated more and more, and when part of the paper scraps gradually enter the second chip removal hole 1002 from the first chip removal hole 1001, because the aperture of the second chip removal hole 1002 is larger than that of the first chip removal hole 1001, the paper scraps piled together have an explosion and scattering action, so that the technical problem that the cutter body 1 is deadly jacked with an external driving motor due to the fact that the cutter body 1 is gradually extruded along with the increase of the paper scraps entering the chip removal channel 100 in the prior art is solved, and the stability and the reliability of the drill bit are improved.
Specifically, cutting edge hole 1000 is the bell mouth, and the one end of keeping away from the chip removal inclined hole from cutting edge hole 1000 to cutting edge hole 1000 is close to the one end of chip removal inclined hole, and cutting edge hole 1000's aperture diminishes gradually. Due to the structural design, the paper breaking during drilling of the drill bit is sharper, and the drilling efficiency is improved. More specifically, the included angle of the blade hole 1000 is preferably 45 to 90 °, and the included angle of the blade hole smaller than 45 ° may cause the wall body of the drilling portion 10 to be too thin and easily broken, and when the included angle of the blade hole is larger than 90 °, the drilling portion 10 is not conducive to drilling through paper sheets, so that the service life of the drilling portion 10 is prolonged, and the drilling efficiency of the drilling portion 10 is improved.
As shown in fig. 5, specifically, the cutter body 1 is cylindrical, the outer diameter of the chip removal portion 11 near one end of the drill hole portion 10 is smaller than the outer diameter of the chip removal portion 11 far from one end of the drill hole portion 10, according to actual requirements, the outer diameter of the chip removal portion 11 can be gradually increased along the direction far from the drill hole portion 10, and also can be increased in a stepped manner, so that the strength of the cutter body 1 is enhanced, compared with the slender cutter body 1, the cutter body 1 is prevented from being broken in the drilling process of drilling paper, and the service life of the cutter body 1 is prolonged.
Specifically, the first chip removal hole 1001 is a straight chip removal hole, and the diameter of the first chip removal hole 1001 along the length direction thereof is constant.
In an alternative embodiment, as shown in fig. 3, the second chip removal hole 1002 is an oblique chip removal hole, the diameter of the end of the oblique chip removal hole close to the first chip removal hole 1001 is smaller than the diameter of the end of the oblique chip removal hole away from the first chip removal hole 1001, and the diameter of the end of the oblique chip removal hole close to the first chip removal hole 1001 is greater than or equal to the diameter of the first chip removal hole 1001. More specifically, the chip removal inclined hole is the bell mouth, and from the one end that the chip removal inclined hole is close to first chip removal hole 1001 to the one end that the chip removal inclined hole kept away from first chip removal hole 1001, the aperture of chip removal inclined hole grow gradually.
In another alternative embodiment, as shown in fig. 4, the second clearance hole 1002 is a straight chip removal hole, and the diameter of the second clearance hole 1002 along its length is constant.
Specifically, the cutter body 1 has a cutter sleeve connecting part 12 for connecting a cutter sleeve, the chip removal part 11 is located between the drilling part 10 and the cutter sleeve connecting part 12, the chip removal channel 100 runs through the cutter sleeve connecting part 12, and the outer diameter of the chip removal part 11 is smaller than that of the cutter sleeve connecting part 12.
In more specific embodiment, the external diameter of drilling portion 10 is greater than the external diameter of chip removal portion 11, and such structural design makes cutter body 1 when drilling paper, chip removal portion 11 can not with scraps of paper frictional contact, when cutter body 1 drills to the scraps of paper that pile up, the area of contact of greatly reduced cutter body 1 and scraps of paper, avoid the frequent high-speed frictional contact temperature rise of cutter body 1 and scraps of paper to cause intensity reduction and take place the deformation, guarantee the stability of cutter body 1 performance, the life of extension cutter body 1.
Specifically, the tool holder connecting portion 12 is provided with an annular groove 120, and the tool body 1 is locked and matched with a locking clamping member of an external tool holder through the annular groove 120.
Specifically, knife pouch connecting portion 12 disposes flexible card post, and flexible card post activity sets up on knife pouch connecting portion 12 and can stretch out or the lateral surface that contracts into knife pouch connecting portion 12, and the piece is held to external locking card has the centre bore and the circular slot who establishes from the hole side of centre bore is concave, and knife pouch connecting portion 12 inserts in the centre bore, and flexible card post is used for stretching into the circular slot.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (10)
1. The utility model provides a ticket affairs are bound and are punched with straight taper hole core drill sword which characterized in that: including cutter body (1), cutter body (1) is provided with chip removal channel (100), cutter body (1) is run through in chip removal channel (100), cutter body (1) has drilling portion (10) and chip removal portion (11), chip removal channel (100) have cutting edge hole (1000), first chip removal hole (1001) and second chip removal hole (1002) with first chip removal hole (1001) intercommunication that communicate with cutting edge hole (1000), first chip removal hole (1001) are located between cutting edge hole (1000) and second chip removal hole (1002), cutting edge hole (1000) are located drilling portion (10), first chip removal hole (1001) and second chip removal hole (1002) all are located chip removal portion (11), the aperture of second chip removal hole (1002) is greater than the aperture of first chip removal hole (1001).
2. The straight taper hole hollow drill for ticket binding and punching according to claim 1, wherein: the first chip removal hole (1001) is a chip removal straight hole, and the aperture size of the first chip removal hole (1001) along the length direction is fixed.
3. The straight taper hole hollow drill for ticket binding and punching according to claim 2, wherein: the second chip removal hole (1002) is a chip removal inclined hole, the aperture of the chip removal inclined hole close to one end of the first chip removal hole (1001) is smaller than the aperture of the chip removal inclined hole far away from one end of the first chip removal hole (1001), and the aperture of the chip removal inclined hole close to one end of the first chip removal hole (1001) is larger than or equal to the aperture of the first chip removal hole (1001).
4. The straight taper hole hollow drill for ticket binding and punching according to claim 2, wherein: the second chip removal hole (1002) is a chip removal straight hole, and the aperture size of the second chip removal hole (1002) along the length direction is fixed.
5. The straight taper hole hollow drill for ticket binding and punching according to claim 3, wherein: the chip removal inclined hole is the bell mouth, and from the one end that the chip removal inclined hole is close to first chip removal hole (1001) to the one end that the chip removal inclined hole kept away from first chip removal hole (1001), the aperture of chip removal inclined hole grow gradually.
6. The straight taper hole hollow drill for ticket binding and punching according to claim 1, wherein: the knife edge hole (1000) is a conical hole, the aperture of the knife edge hole (1000) is gradually reduced from one end of the knife edge hole (1000) far away from the chip removal inclined hole to one end of the knife edge hole (1000) close to the chip removal inclined hole, and the included angle of the knife edge hole (1000) is 45-90 degrees.
7. The straight taper hole hollow drill for ticket binding and punching according to claim 1, wherein: the cutter body (1) is columnar, and the outer diameter dimension of the chip removal part (11) close to one end of the drilling part (10) is smaller than the outer diameter dimension of the chip removal part (11) far away from one end of the drilling part (10).
8. The straight taper hole hollow drill for ticket binding and punching according to claim 1, wherein: the cutter body (1) is provided with a cutter sleeve connecting part (12) used for connecting a cutter sleeve, a chip removal part (11) is positioned between the drilling part (10) and the cutter sleeve connecting part (12), a chip removal channel (100) runs through the cutter sleeve connecting part (12), and the outer diameter of the chip removal part (11) is smaller than that of the cutter sleeve connecting part (12).
9. The straight taper hole hollow drill for ticket binding and punching according to claim 8, wherein: the cutter sleeve connecting part (12) is provided with an annular groove (120), and the cutter body (1) is in locking fit with a locking clamping part of an external cutter sleeve through the annular groove (120).
10. The straight taper hole hollow drill for ticket binding and punching according to claim 8, wherein: knife pouch connecting portion (12) dispose flexible calorie of post, flexible calorie of post activity sets up on knife pouch connecting portion (12) and can stretch out or the lateral surface of retraction knife pouch connecting portion (12), and the piece is held to external locking card has the centre bore and the concave ring groove who establishes from the hole side of centre bore, and knife pouch connecting portion (12) insert in the centre bore, and flexible calorie of post is used for stretching into in the ring groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123369422.0U CN217072642U (en) | 2021-12-28 | 2021-12-28 | Straight taper hole hollow drill for ticket binding and punching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123369422.0U CN217072642U (en) | 2021-12-28 | 2021-12-28 | Straight taper hole hollow drill for ticket binding and punching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217072642U true CN217072642U (en) | 2022-07-29 |
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ID=82539951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123369422.0U Active CN217072642U (en) | 2021-12-28 | 2021-12-28 | Straight taper hole hollow drill for ticket binding and punching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217072642U (en) |
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2021
- 2021-12-28 CN CN202123369422.0U patent/CN217072642U/en active Active
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