CN103213166A - Perforation cutter of financial binding machine and method for producing cutter bar of perforation cutter of financial binding machine - Google Patents
Perforation cutter of financial binding machine and method for producing cutter bar of perforation cutter of financial binding machine Download PDFInfo
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- CN103213166A CN103213166A CN2013100979281A CN201310097928A CN103213166A CN 103213166 A CN103213166 A CN 103213166A CN 2013100979281 A CN2013100979281 A CN 2013100979281A CN 201310097928 A CN201310097928 A CN 201310097928A CN 103213166 A CN103213166 A CN 103213166A
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- binder
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Abstract
The invention relates to the field of financial binding machine production, and discloses a perforation cutter of a financial binding machine. The perforation cutter comprises a cutter handle and a cutter bar which is connected with the cutter handle, wherein the cutter bar is provided with a circular truncated cone-shaped cutting edge, an inverse circular truncated cone-shaped short paper guiding cavity which is formed by upwards extending from the top end of the cutting edge, and a cylindrical long paper guiding cavity which is formed by upwards extending from the top end of the short paper guiding cavity; the cross section, passing through a central axis, of the short paper guiding cavity is a trapezoid cross section; and an included angle which is formed by two waist extension lines of the trapezoid cross section is 10 degrees to 30 degrees. The perforation cutter of the financial binding machine is simple and easy in processing process and low in production cost.
Description
Technical field
The present invention relates to financial binder and make the field, relate in particular to the manufacture method of a kind of financial binder bore cutter and knife bar thereof.
Background technology
Please refer to Fig. 1, be existing a kind of financial binder bore cutter, the one that comprises this finance binder bore cutter is processed into the handle of a knife 1 and the knife bar 2 of shape, the long paper chamber 22 of leading that described knife bar 2 has round table-like edge 21 and extends upward formation from edge 21 tops, this is led paper chamber 22 diameters and increases gradually with small amplitude from bottom to top, forms the round table-like of a handstand.During the perforation of finance binder bore cutter, the paper grain that cuts off through edge is squeezed into round table-like, is discharged to the external world through leading the paper chamber again.
In the prior art,, lead the paper chamber usually and all can grind very smoothly, thereby reduce the paper grain and lead the friction of paper cavity wall by grinding machine in order to allow the bigger end of paper grain diameter smoothly by leading the paper chamber.
Therefore existing financial binder bore cutter has the following disadvantages:
(1) since knife bar to lead the paper chamber longer, and its diameter increases from bottom to top gradually, therefore, difficulty of processing is bigger, thereby causes production efficiency lower;
(2) owing to lead the paper chamber and all must pass through grinding machine and process and make its inwall become smooth, yet, make inwall become smooth, that must consume the more time, thereby makes production efficiency lower, further causes manufacturing expense higher.
Summary of the invention
The technical problem that the present invention solves is: big, the manufacturing expense technical problems of high of financial binder bore cutter difficulty of processing in the prior art.
In order to solve the problems of the technologies described above, the invention provides a kind of financial binder bore cutter, it comprises handle of a knife and the knife bar that is connected with handle of a knife, described knife bar has the edge that is round table-like, extend upward the cylindrical length that being of formation stand upside down round table-like short-range missile paper chamber and extend upward formation from the top in described short-range missile paper chamber from the top of described edge leads the paper chamber, described short-range missile paper chamber is the trapezoid cross section through the cross section of central shaft, and the angle that two waist extended lines of this trapezoid cross section form is 10 ° to 30 °.
Compared with prior art, beneficial effect of the present invention is:
(1) because being provided with, the present invention is the round table-like short-range missile paper chamber of standing upside down, the diameter in short-range missile paper chamber increases from bottom to top gradually, thereby make the bigger end of paper grain diameter can pass through this short-range missile paper chamber smoothly, and when the paper grain enter long lead the paper chamber after, it has the gap with long inwall of leading the paper chamber, and can directly not contact with long inwall of leading the paper chamber, so it is less demanding length to be led the roughness of paper cavity wall, therefore, need not to use grinding machine to grind long inwall of leading the paper chamber, so, processing technology simplified, thereby improved production efficiency greatly, reduced manufacturing cost.
(2) because short-range missile paper chamber is shorter relatively, and therefore, it is relatively easy to add man-hour, thereby lower the difficulty of processing, helped providing production efficiency.
The present invention also provides a kind of manufacture method of knife bar of described financial binder bore cutter, and it comprises the steps:
The alloy pipe of hollow is provided, is processed to form round table-like edge and is the round table-like short-range missile paper chamber of standing upside down at an end of alloy pipe endoporus;
Be processed to form cylindrical length at the other end of alloy pipe endoporus and lead the paper chamber, and the diameter that makes described length lead the paper chamber is equal to or greater than the long base length of the trapezoid cross section in described short-range missile paper chamber.
Compared with prior art, the beneficial effect of manufacture method of the present invention is:
(1) because manufacture method of the present invention is simple, need not to use grinding machine to grind long inwall of leading the paper chamber, thereby simplified processing technology, thereby enhance productivity greatly, reduce manufacturing cost.
(2) because short-range missile paper chamber is shorter relatively, and therefore, it is relatively easy to add man-hour, thereby lower the difficulty of processing, helped providing production efficiency.
Description of drawings
Fig. 1 is existing financial binder bore cutter structural representation;
Fig. 2 is the structural representation of the present invention's finance binder bore cutter;
Fig. 3 is the cut-away view of the present invention's finance binder bore cutter;
The specific embodiment
The present invention is described in further detail below in conjunction with embodiment and accompanying drawing, but embodiments of the present invention are not limited thereto.
Please refer to Fig. 2 to Fig. 3, the invention provides a kind of financial binder bore cutter, it comprises handle of a knife 1 and the knife bar 2 that is connected with handle of a knife 1.
Described knife bar 2 is made by alloy steel material, and knife bar 2 has the edge 21 that is round table-like, extend upward stand upside down round table-like short-range missile paper chamber 22 and extend upward from the top in short-range missile paper chamber 22 and to form cylindrical length and lead paper chamber 23 of being of formation from the top of edge 21.
Described edge 21 is to be processed to form through lathe tool, and its inwall is a shiny surface.Edge 21 is the trapezoid cross section through the cross section of central shaft, and the angle a that two waist extended lines of trapezoid cross section form is 55 ° to 65 °.
Described short-range missile paper chamber 22 is to be processed to form through lathe tool, and its inwall is a shiny surface.Short-range missile paper chamber 22 is the trapezoid cross section through the cross section of central shaft, and the angle b that two waist extended lines of trapezoid cross section form is 10 ° to 30 °, and in the present embodiment, the angle b that two waist extended lines of the trapezoid cross section in described short-range missile paper chamber 22 form is 15 °.
Described length is led paper chamber 23 and is longer than described short-range missile paper chamber 22, and the long diameter d 1 of leading paper chamber 23 is equal to or greater than the long base d2 length of the trapezoid cross section in short-range missile paper chamber 22.
The moving process of paper grain is as follows in the present invention's finance binder bore cutter perforation procedure:
At first, paper grain round table-like and diameter minimizing of being downcut by edge 21 through being squeezed into of edge 21;
Then, the paper grain enters through short-range missile paper chamber 22 long leads paper chamber 23, and in this process, because the diameter in short-range missile paper chamber 22 increases and inner wall smooth gradually, thereby makes the paper grain extremely to waltz through from bottom to top;
At last, the paper grain is led paper chamber 23 by length and is entered into handle of a knife 1, and in this process, have the gap owing to grow to lead between paper chamber 23 inwalls and the paper grain, thus less demanding to growing the roughness of leading paper chamber 23, therefore, during processing knife bar 2, need not to use grinding machine to grind long inwall of leading paper chamber 23, thereby simplified processing technology, thereby make manufacturing cost reduce.
The process of the knife bar of the present invention's finance binder bore cutter is as follows:
At first, the alloy pipe of hollow is provided, be processed to form round table-like edge 21 and be the round table-like short-range missile paper chamber 22 of standing upside down by the end of lathe tool at the alloy pipe endoporus, wherein, the angle that two waist extended lines of the trapezoid cross section of edge 21 form is 60 °, and the angle that two waist extended lines of the trapezoid cross section in described short-range missile paper chamber 22 form is 15 °.
Then, be processed to form cylindrical length by drill bit at the other end of alloy pipe endoporus and lead paper chamber 23, the long base equal in length of the trapezoid cross section in long diameter of leading paper chamber 23 and short-range missile paper chamber 22.
At last, cut with scissors the inwall that described length is led paper chamber 23, to improve the long roughness of leading the dimensional accuracy in paper chamber 23 and reducing its inwall by reamer.
The process of the knife bar of the present invention's finance binder bore cutter is simple, and quality control is simple, thereby reduces the cost of making.
Claims (9)
1. financial binder bore cutter, it comprises handle of a knife and the knife bar that is connected with handle of a knife, it is characterized in that: described knife bar has the edge that is round table-like, extend upward the cylindrical length that being of formation stand upside down round table-like short-range missile paper chamber and extend upward formation from the top in described short-range missile paper chamber from the top of described edge leads the paper chamber, described short-range missile paper chamber is the trapezoid cross section through the cross section of central shaft, and the angle that two waist extended lines of this trapezoid cross section form is 10 ° to 30 °.
2. financial according to claim 1 binder bore cutter is characterized in that: the diameter that described length is led the paper chamber is equal to or greater than the long base length of the trapezoid cross section in described short-range missile paper chamber.
3. financial according to claim 1 binder bore cutter, it is characterized in that: the inwall of described edge is a shiny surface.
4. financial according to claim 1 binder bore cutter is characterized in that: the inwall in described short-range missile paper chamber is a shiny surface.
5. financial according to claim 1 binder bore cutter is characterized in that: the angle that two waist extended lines of the trapezoid cross section of the process central shaft of described edge form is 55 ° to 65 °.
6. the knife bar manufacture method of a described financial binder bore cutter is characterized in that, comprises the steps:
(1) provides the alloy pipe of hollow, be processed to form round table-like edge and be the round table-like short-range missile paper chamber of standing upside down at an end of alloy pipe endoporus;
(2) be processed to form cylindrical length at the other end of alloy pipe endoporus and lead the paper chamber, and the diameter that makes described length lead the paper chamber is equal to or greater than the long base length of the trapezoid cross section in described short-range missile paper chamber.
7. as the knife bar manufacture method of financial binder bore cutter as described in the claim 6, it is characterized in that: also comprise by reamer and cut with scissors the step that described length is led the inwall in paper chamber.
8. as the knife bar manufacture method of financial binder bore cutter as described in the claim 6, it is characterized in that: in the step (1), be processed to form described edge and described short-range missile paper chamber at an end of alloy pipe endoporus by lathe tool; In the step (2), be processed to form the long paper chamber of leading at the other end of alloy pipe endoporus by drill bit.
9. as the knife bar manufacture method of financial binder bore cutter as described in the claim 6, it is characterized in that: described short-range missile paper chamber is the trapezoid cross section through the cross section of central shaft, and the angle that two waist extended lines of this trapezoid cross section form is 10 ° to 30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100979281A CN103213166A (en) | 2013-03-25 | 2013-03-25 | Perforation cutter of financial binding machine and method for producing cutter bar of perforation cutter of financial binding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100979281A CN103213166A (en) | 2013-03-25 | 2013-03-25 | Perforation cutter of financial binding machine and method for producing cutter bar of perforation cutter of financial binding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103213166A true CN103213166A (en) | 2013-07-24 |
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ID=48811484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100979281A Pending CN103213166A (en) | 2013-03-25 | 2013-03-25 | Perforation cutter of financial binding machine and method for producing cutter bar of perforation cutter of financial binding machine |
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| Country | Link |
|---|---|
| CN (1) | CN103213166A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114274253A (en) * | 2021-12-28 | 2022-04-05 | 东莞市泊尔非特五金有限公司 | Hollow drill bit for ticket binding machine and processing method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07237192A (en) * | 1994-03-01 | 1995-09-12 | Hitachi Metals Ltd | Binding hole punching follow drill |
| CN2866047Y (en) * | 2006-01-20 | 2007-02-07 | 天津新技术产业园区万隆金融技术设备有限公司 | Automatic punching binder perforating rotary cutter |
| CN200970800Y (en) * | 2006-11-15 | 2007-11-07 | 秦旭东 | Paper sheet punchip disc knife with hard alloy head |
-
2013
- 2013-03-25 CN CN2013100979281A patent/CN103213166A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07237192A (en) * | 1994-03-01 | 1995-09-12 | Hitachi Metals Ltd | Binding hole punching follow drill |
| CN2866047Y (en) * | 2006-01-20 | 2007-02-07 | 天津新技术产业园区万隆金融技术设备有限公司 | Automatic punching binder perforating rotary cutter |
| CN200970800Y (en) * | 2006-11-15 | 2007-11-07 | 秦旭东 | Paper sheet punchip disc knife with hard alloy head |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114274253A (en) * | 2021-12-28 | 2022-04-05 | 东莞市泊尔非特五金有限公司 | Hollow drill bit for ticket binding machine and processing method thereof |
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Application publication date: 20130724 |