CN204450707U - A kind of case and bag punching target drill - Google Patents
A kind of case and bag punching target drill Download PDFInfo
- Publication number
- CN204450707U CN204450707U CN201520063635.6U CN201520063635U CN204450707U CN 204450707 U CN204450707 U CN 204450707U CN 201520063635 U CN201520063635 U CN 201520063635U CN 204450707 U CN204450707 U CN 204450707U
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- China
- Prior art keywords
- cutting edge
- case
- pilot pin
- bag
- target drill
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- Expired - Fee Related
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Abstract
The utility model provides a kind of case and bag punching target drill, belongs to case and bag technical field.It solve existing flatiron to scald hole and very easily produce substandard products and its security is low and without problems such as locating effects.These case and bag punching target drill, comprise bar portion and body, bar portion is cylindric and has connector at tail end, body front end is provided with cutting edge, cutting edge totally two, and body front end is also provided with pilot pin, chip area is formed between cutting edge portion rotational trajectory, two cutting edges are symmetrical centered by pilot pin, and cutting edge and pilot pin are on same straight line, have U-type groove between pilot pin and cutting edge.It is high that the utility model adopts boring to replace scalding its security of hole, and precision is high, and defect rate is low and have location, smogless feature.
Description
Technical field
The utility model belongs to case and bag technical field, relates to a kind of drill bit, particularly a kind of case and bag punching target drill.
Background technology
Along with socioeconomic sustainable and stable development and people's income level constantly increase, promote the development of case and bag industry greatly, China is a case and bag big country, but is not a case and bag power, on the Design and manufacture of product, the case and bag of China can a little less than external brand case and bag.Case and bag are labor-intensive enterprises, case and bag (xi ā ng b ā o) are the general designations to sack, be used to the general designation of various handbags filling thing, comprise general shopping bag, knapsack, singly take on the general designation of bag, satchel, purse and multiple draw-bar box etc.
Draw-bar box can portablely also can drag, all can be provided with universal wheel bottom general draw-bar box, the position, 16 holes that its four pin of existing draw-bar box install universal wheel is all manually scald with flatiron, and this mode also also exists Railway Project: 1, potential safety hazard, burns red flatiron and easily catches fire; 2, easily occur substandard products, burn red flatiron and easily scald the part not needing boiling hot hole because of carelessness, it does not possess positioning performance in addition, and when boiling hot hole, precision is not high, easily departs from the appearance that also can cause defect rate; 3, scald the toxic gas that hole produces, irreparable harm is caused to human body.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, and propose a kind of case and bag punching target drill, its security is high, and precision is high, and defect rate is low and have location, smogless feature.
The purpose of this utility model realizes by following technical proposal: a kind of case and bag punching target drill, comprise bar portion and body, it is characterized in that, described bar portion is cylindric and has connector at tail end, described body front end is provided with cutting edge, described cutting edge totally two, body front end is also provided with pilot pin, chip area is formed between cutting edge portion rotational trajectory, two cutting edges are symmetrical centered by pilot pin, and cutting edge and pilot pin are on same straight line, have U-type groove between described pilot pin and cutting edge.
Basic functional principle: pilot pin is positioned at the center place of body front end, promoting drill bit makes pilot pin insert the center of the required punching of case and bag, along with the bite that gos deep into of pilot pin starts contact with case and bag and cut case and bag, chip area can be introduced by the U-type groove between pilot pin and cutting edge in the broken end of the case and bag produced when punching, and is finally discharged at broken end by chip area.Whole case and bag punching target drill is a kind of drill bit carrying out designing for case and bag, first start with from the material of case and bag, consider that its hardness ratio is lower, devise pilot pin for this reason, this pilot pin can insert case and bag easily, improve polarization and the accuracy of drill bit greatly, adopt cutting edge cut to case and bag the occurrence rate that reduces case and bag substandard products when punching and thoroughly stopped to adopt the smog phenomenon of scalding hole mode and producing in addition, avoid smoke inhalation human body to damage human body.
The front end cone angle of described cutting edge is 25 ° ~ 35 °.
When cutting edge chamfer angle γ is too small, the intensity of cutting edge reduces, and the fracture of cutting edge easily occurs, and when cutting edge chamfer angle γ is excessive, cutting resistance uprises, and easily losing of drill bit occurs.
Described pilot pin diameter is 2mm ~ 2.5mm.
The Main Function of pilot pin is location drill bit, avoids drill slipping, and the diameter of pilot pin is suitable just passable, too small pilot pin easy fracture, and the coefficient that is obstructed of excessive pilot pin becomes large, not easily inserts the case and bag needing punching.
Surface, described bar portion is provided with the frosted layer increasing frictional force.
Adopting frosted layer to be convenient to people pacifying holding when drill bit is got in loading or unloading, avoiding occurring that the degree of skidding or drill bit locking when locking is not high enough and causing its phenomenon easily loosened.
Described pilot pin is higher than cutting edge 3mm ~ 4mm.
Main cutwork undertaken by cutting edge, pilot pin higher than cutting edge 3mm ~ 4mm mainly in order to locate, before the case and bag that need punch move to drill bit, when pilot pin first inserts case and bag and it is 3mm-4mm deeply, cutting edge carries out cutting to case and bag again and just not easily skids, if pilot pin is too low higher than the height of cutting edge, the locating effect of pilot pin will greatly reduce.
Compared with prior art, these case and bag punching target drill advantage have following some:
1, the body front end in these case and bag punching target drill is provided with pilot pin, has extraordinary locating effect and its precision is high when punching.
2, these case and bag punching target drill adopts boring to replace traditional boiling hot hole thoroughly to stop smog, avoids toxic smog to be inhaled into the phenomenon of human body.
3, the part not needing boiling hot hole is easily scalded in traditional boiling hot hole, and these case and bag punching target drill can not need the partial destruction of holing when holing, and reduces the occurrence rate of substandard products.
Accompanying drawing explanation
Fig. 1 is the front view of these case and bag punching target drill.
Fig. 2 is the top view of these case and bag punching target drill.
In figure,
1, bar portion; 2, body; 3, connector; 4, cutting edge;
5, pilot pin; 6, chip area; 7, U-type groove; 8, frosted layer.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1 and Figure 2, these case and bag punching target drill, comprise bar portion 1 and body 2, bar portion 1 is cylindric and has connector 3 at tail end, surface, bar portion 1 is provided with the frosted layer 8 increasing frictional force, frosted layer 8 is convenient to people pacifying holding when drill bit is got in loading or unloading, avoids occurring the not high enough phenomenon causing easily loosening of the degree of skidding or drill bit is locked when locking.
Body 2 front end is provided with cutting edge 4, cutting edge 4 totally two, the front end cone angle of cutting edge 4 is 30 °, when cutting edge 4 chamfer angle γ is too small, the intensity of cutting edge 4 reduces, and the fracture of cutting edge 4 easily occurs, when cutting edge 4 chamfer angle γ is excessive, cutting resistance uprises, and easily losing of drill bit occurs.
Body 2 front end is also provided with pilot pin 5, and pilot pin 5 diameter is 2mm, and the Main Function of pilot pin 5 is location drill bits, avoid drill slipping, the diameter of pilot pin 5 is suitable just passable, too small pilot pin 5 easy fracture, the coefficient that is obstructed of excessive pilot pin 5 becomes large, not easily inserts the case and bag needing punching.
Form chip area 6 between cutting edge 4 rotational trajectories, two cutting edges 4 are symmetrical centered by pilot pin 5, and cutting edge 4 and pilot pin 5 are on same straight line, have U-type groove 7 between pilot pin 5 and cutting edge 4.
Pilot pin 5 is higher than cutting edge 43mm, main cutwork undertaken by cutting edge 4, pilot pin 5 higher than cutting edge 43mm mainly in order to locate, before the case and bag that need punch move to drill bit, when pilot pin 5 first inserts case and bag and it is 3mm deeply, cutting edge 4 carries out cutting to case and bag again and just not easily skids, if pilot pin 5 is too low higher than the height of cutting edge 4, the locating effect of pilot pin 5 will greatly reduce.
Basic functional principle: pilot pin 5 is positioned at the center place of body 2 front end, promoting drill bit makes its pilot pin 5 insert the center of the required punching of case and bag, along with going deep into of pilot pin 5, bite starts contact with case and bag and cut case and bag, chip area 6 can be introduced by the U-type groove 7 between pilot pin 5 and cutting edge 4 in the broken end of the case and bag produced when punching, and is finally discharged at broken end by chip area 6.Whole case and bag punching target drill is a kind of drill bit carrying out designing for case and bag, first start with from the material of case and bag, consider that its hardness ratio is lower, devise pilot pin 5 for this reason, this pilot pin 5 can insert case and bag easily, improve polarization and the accuracy of drill bit greatly, adopt cutting edge 4 pairs of case and bag to cut in addition and reduce the occurrence rate of case and bag substandard products when punching and thoroughly stopped to adopt the smog phenomenon of scalding hole mode and producing, avoid smoke inhalation human body to damage human body.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the terms such as bar portion 1, body 2, connector 3, cutting edge 4, pilot pin 5, chip area 6, U-type groove 7, frosted layer 8 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (5)
1. a case and bag punching target drill, comprise bar portion (1) and body (2), it is characterized in that, described bar portion (1) is in cylindric and have connector (3) at tail end, described body (2) front end is provided with cutting edge (4), described cutting edge (4) totally two, body (2) front end is also provided with pilot pin (5), chip area (6) is formed between cutting edge (4) portion rotational trajectory, two cutting edges (4) are symmetrical centered by pilot pin (5), and cutting edge (4) and pilot pin (5) are on same straight line, U-type groove (7) is had between described pilot pin (5) and cutting edge (4).
2. a kind of case and bag punching target drill according to claim 1, it is characterized in that, the front end cone angle of described cutting edge (4) is 25 ° ~ 35 °.
3. a kind of case and bag punching target drill according to claim 2, it is characterized in that, described pilot pin (5) diameter is 2mm ~ 2.5mm.
4. a kind of case and bag punching target drill according to claim 1, it is characterized in that, described bar portion (1) surface is provided with the frosted layer (8) increasing frictional force.
5. a kind of case and bag punching target drill according to claim 3, it is characterized in that, described pilot pin (5) is higher than cutting edge (4) 3mm ~ 4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520063635.6U CN204450707U (en) | 2015-01-29 | 2015-01-29 | A kind of case and bag punching target drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520063635.6U CN204450707U (en) | 2015-01-29 | 2015-01-29 | A kind of case and bag punching target drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204450707U true CN204450707U (en) | 2015-07-08 |
Family
ID=53657649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520063635.6U Expired - Fee Related CN204450707U (en) | 2015-01-29 | 2015-01-29 | A kind of case and bag punching target drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204450707U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105479540A (en) * | 2015-12-23 | 2016-04-13 | 平湖市兴荣箱包有限公司 | Machining device for case hole |
| CN106827040A (en) * | 2017-02-28 | 2017-06-13 | 平湖智铂自动化设备有限公司 | A kind of perforating device for case and bag |
-
2015
- 2015-01-29 CN CN201520063635.6U patent/CN204450707U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105479540A (en) * | 2015-12-23 | 2016-04-13 | 平湖市兴荣箱包有限公司 | Machining device for case hole |
| CN106827040A (en) * | 2017-02-28 | 2017-06-13 | 平湖智铂自动化设备有限公司 | A kind of perforating device for case and bag |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG KALAYANG GROUP CO., LTD. Free format text: FORMER NAME: ZHEJIANG CAARANY BUSINESS LEISURE PRODUCTS CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: The week in Haining City, Jiaxing Zhejiang province 314400 City Industrial Zone Wang Miao Zhen River Road No. 8 Patentee after: ZHEJIANG CAARAN.Y GROUP CO., LTD. Address before: The week in Haining City, Jiaxing Zhejiang province 314400 City Industrial Zone Wang Miao Zhen River Road No. 8 Patentee before: Zhejiang Caarany Business Leisure Products Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20210129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |