CN102002827B - Automatic line breaking device for deposit books - Google Patents
Automatic line breaking device for deposit books Download PDFInfo
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- CN102002827B CN102002827B CN 200910023777 CN200910023777A CN102002827B CN 102002827 B CN102002827 B CN 102002827B CN 200910023777 CN200910023777 CN 200910023777 CN 200910023777 A CN200910023777 A CN 200910023777A CN 102002827 B CN102002827 B CN 102002827B
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Abstract
The invention relates to an automatic line breaking device for deposit books, which solves the technical problems that the traditional manual line breaking manner has the defects of low production efficiency and high labor intensity of workers, and an automatic line breaking device matched with a full-automatic sewing machine cannot adapt to manual sheet feeding. The automatic line breaking device comprises a line breaking device, a support frame, a front paper pressing wheel group, a back paper pressing wheel group and a transmission device, wherein the support frame is fixed in front of a work platform of a sewing machine, the front paper pressing wheel and the back paper pressing wheel are sequentially arranged on the support frame and have the axle distance L, and a cutter blade extending opening is arranged on the support frame and is arranged in the middle of the front paper pressing wheel group and the back paper pressing wheel group. The automatic line breaking device has the advantage of high cutting rate.
Description
Technical field
The present invention relates to a kind of bankbook production process that is used for and cut off the automatic break wire device that connects line between bankbook.
Background technology
In the bankbook production process, it is at bankbook folding place suture that one procedure is arranged.In the domestic present bankbook manufacturing enterprise; Mainly be that high speed sewing machine is accomplished this operation by hand, and in actual production process, in order to enhance productivity; Running suture normally; Promptly have one section line to connect between the bankbook of two lines of sewing it up, Sewing machines is not shut down, and the bankbook that stitches out is as shown in Figure 1.One and one of final bankbook product needed is separated, and promptly need break off the line that connects two bankbooks 94.In actual production; Special also need a people to take blade or scissors 8 to sever more than at line 4 places to cut off; So every manual high speed sewing machine needs two people, people's suture one people's secant, big, the manual secant speed of labour intensity is slowly like this, waste of manpower, production efficiency be not high yet.
It is to be applied on the full-automatic Sewing machines that moving break wire device is originated from existing Japan; Because Sewing machines is from trend head supply bankbook; So the wire length between adjacent two bankbooks is constant; And the movement velocity of bankbook is constant, and convenient follow-up automatic break wire device breaks according to the speed identical with Sewing machines.But manual high speed sewing machine is to adopt artificial continuous paper, so the line between each bankbook is different in size, sometimes even can occur two bankbooks are sewn to phenomenon together.This automatic break wire device requires the wire length of two bankbooks relatively stable, so can't on manual high speed sewing machine, use.
So need a kind of not only simply but also economical, and can with the automatic break wire device of the bankbook that manual high speed sewing machine is used.
Summary of the invention
The purpose of this invention is to provide the automatic break wire device of a kind of bankbook, it has solved, and existing artificial disconnection manner production efficiency is low, labor strength is big and the automatic break wire device that cooperates with full-automatic Sewing machines can't adapt to the technical problem of hand feeding.
Technical solution of the present invention is:
The automatic break wire device of a kind of bankbook; Comprise break wire device; Its special character is: its also be fixed on Sewing machines work platform the place ahead support, be successively set on the support and wheelbase is front paper pressing wheels and back platen wheels and the transmission device of L; Said support is provided with the blade extending port, and said blade extending port is arranged on the centre of front paper pressing wheels and back platen wheels; Upper pressure wheel and preceding lower pressure wheel before said front paper pressing wheels comprise, said back platen wheels comprise back upper pressure wheel and back lower pressure wheel; First driving pulley that said transmission device comprises motor, be connected with motor coaxle, with the afterwards coaxial first passive belt wheel that is connected of lower pressure wheel and second driving pulley, with the coaxial second passive belt wheel that is connected of preceding lower pressure wheel; Said first driving pulley is connected through first synchronous cog belt with the first passive belt wheel, and said second driving pulley is connected through second synchronous cog belt with the second passive belt wheel.
Above-mentioned break wire device is the rotary cut-off knife frame that is arranged on blade extending port place, said rotary cut-off knife frame comprise the central shaft vertical with bankbook suture direction, can around central shaft revolution and cross section be equilateral triangle knife rest, be separately fixed at three blades folders on three sides of triangle knife rest and three blades that clamped by three blades folders respectively; The all protruding knife rest of the blade of said three blades and and tool axis between angle be θ; The top of said blade folder is provided with the blade folder contact higher than blade; All stretching out blade extending port and blade and suture contact point when the blade of said arbitrary blade turns to the extreme higher position is H to the height of support work top.
Above-mentioned front paper pressing wheels are 160～180mm with the wheelbase L of back platen wheels; The linear velocity of said preceding lower pressure wheel is 1.1～1.3 times of suture speed; The linear velocity of said back lower pressure wheel is 1.8～2.2 times of preceding lower pressure wheel linear velocity.
Above-mentioned front paper pressing wheels are 170mm with the wheelbase L of back platen wheels; The linear velocity of said preceding lower pressure wheel is 1.2 times of suture speed; The linear velocity of said back lower pressure wheel is 2 times of preceding lower pressure wheel linear velocity.
Lower pressure wheel is 60mm with the diameter of back lower pressure wheel before above-mentioned, and said synchronous cog belt banding pattern is the XL type, and its pitch is 5.08mm; The number of teeth of said first driving pulley is 18; The number of teeth of the first passive belt wheel is that the number of teeth of 24, the second driving pulleys is that the number of teeth of 12, the second passive belt wheels is 24.
When the blade of above-mentioned arbitrary blade turns to the extreme higher position and the suture contact point be 12～14mm to the height H of support work top.
When the blade of above-mentioned arbitrary blade turns to the extreme higher position and the suture contact point be 13mm to the height H of support work top.
The blade of above-mentioned three blades and the angle theta between the tool axis are 30～50 °.
The blade of above-mentioned three blades and the angle theta between the tool axis are 45 °.
Technique effect of the present invention is:
1, the present invention adopts blade to cut off the disconnection manner of the line under the tight state, and the cut-out rate is about 99%.
2, the present invention adopts the passive rotation cutting movement of Purely mechanical, can continuous operation more than 10 hours, can satisfy long-time uninterrupted production demand in enormous quantities.
3, break wire device of the present invention has been realized dynamo-electric the separation with manual high speed sewing machine, makes things convenient for maintenance, replacing, the resettlement in later stage.
4, the present invention be as long as gappedly between two bankbooks just can accomplish cut-out work smoothly, and the requirement of hand feeding has been reduced a lot, strengthened practicality.
5, the present invention adopt split-type structural type of attachment, realize the independence of unified control and mechanical action, so availablely decide the rotating speed motor and replace buncher, convenient adjusting.
6, application of the present invention makes the Sewing machines operation become single independent the completion by double compounding practice.
7, the present invention can regulate tool holder height and pressure roller pressure size, can adapt to the bankbook of different sizes and thickness, applied range.
Description of drawings
Fig. 1 is the suture sketch map of bankbook folding place;
Fig. 2 is the structural representation of the automatic break wire device of the present invention;
Fig. 3 is the force analysis sketch map of the automatic break wire device of the present invention;
Fig. 4 is the rotation sketch map of the rotary cut-off knife frame of the automatic break wire device of the present invention;
Fig. 5 is the structural representation of the transmission device of the automatic break wire device of the present invention;
Fig. 6 is the structural representation of the rotary cut-off knife frame of the automatic break wire device of the present invention;
Reference numeral is following: 1-central shaft, 2-fixed screw, 3-blade, 4-line, 5-rotary cut-off knife frame, 6-blade folder; 7-blade folder contact, 8-scissors, 9-bankbook, 10-sewing machine table, 11-head of sewing machine, 12-Sewing needles; The 13-motor, upper pressure wheel behind the 15-, lower pressure wheel behind the 16-, 17-first synchronous cog belt, 18-support; 19-second synchronous cog belt, lower pressure wheel before the upper pressure wheel before the 20-blade extending port, 21-, 22-, 31-first driving pulley; The 32-first passive belt wheel, 33-second driving pulley, the 34-second passive belt wheel, F-tightens power, the T-cutting force.
The specific embodiment
The automatic break wire device of bankbook of the present invention comprises break wire device, be fixed on the support in Sewing machines work platform the place ahead, be successively set on the support and wheelbase L is front paper pressing wheels and back platen wheels and the transmission device of 160～180mm; Support is provided with the blade extending port, and the blade extending port is arranged on the centre of front paper pressing wheels and back platen wheels; Upper pressure wheel and preceding lower pressure wheel before the front paper pressing wheels comprise, back platen wheels comprise back upper pressure wheel and back lower pressure wheel; First driving pulley that transmission device comprises motor, be connected with motor coaxle, with the afterwards coaxial first passive belt wheel that is connected of lower pressure wheel and second driving pulley, with the coaxial second passive belt wheel that is connected of preceding lower pressure wheel; First driving pulley is connected through first synchronous cog belt with the first passive belt wheel, and second driving pulley is connected through second synchronous cog belt with the second passive belt wheel; Break wire device is the rotary cut-off knife frame that is arranged on blade extending port place, the rotary cut-off knife frame comprise the central shaft vertical with bankbook suture direction, can around central shaft revolution and cross section be equilateral triangle knife rest, be separately fixed at three blades folders on three sides of triangle knife rest and three blades that clamped by three blades folders respectively; The all protruding knife rest of the blade of three blades and and tool axis between angle theta be 30～50 °, preferable angle theta is 45 °; The top of blade folder is provided with the blade folder contact higher than blade; All stretching out blade extending port and blade and suture contact point when the blade of arbitrary blade turns to the extreme higher position is H to the height of support work top.The linear velocity of preceding lower pressure wheel is 1.1～1.3 times of suture speed, generally gets 1.2 times; The linear velocity of back lower pressure wheel is 1.8～2.2 times of preceding lower pressure wheel linear velocity, generally gets 2 times.
Operation principle of the present invention:
In order to realize reliably cutting off effectively line, guarantee product quality simultaneously, automatically break wire device must satisfy three primary conditions: 1, in order to cut off line is reliable and stable, line must have certain power of tightening in the time of the blade secant; 2, in order to ensure the suture quality, the power F of tightening is less than the pull-off force of line, guarantees that just line cuts off rather than breaks, and simultaneously, under the condition of guaranteeing to cut off, the power of tightening is more little good more.3, like Fig. 3, shown in Figure 4, carry out smoothly for what guarantee to cut, knife rest will rise from certain height, and simultaneously, tool holder height is too high can to influence the smooth and easy of paper feed again, therefore will obtain the optimized tool holder height.
Above-mentioned the 1st primary condition (tightening of line) is to realize through the preceding lower pressure wheel and the speed discrepancy of back lower pressure wheel; Motor as shown in Figure 5 is that the front paper pressing wheels provide power with back platen wheels through synchronous cog belt; Variation through pulley diameters simultaneously makes pinch roller generation certain speed in front and back poor, thereby has realized tightening of line.Wheelbase according to selected front paper pressing wheels of test effect and back platen wheels is 170mm; It is 10.2m/min that test records normal suture speed; The front paper pressing wheels are mainly made rolling movement (bankbook of sewing it up is connect surely) with respect to paper; The rotating speed of therefore preceding lower pressure wheel is a bit larger tham suture speed and gets final product, and the normal line speed of pinch roller is 12m/min before confirming according to suture speed; The effect of back lower pressure wheel is that line is tightened so that cut; Therefore the linear velocity of back lower pressure wheel should make back platen wheels mainly do relative slip (force of sliding friction is much larger than force of rolling friction) with respect to paper much larger than suture speed, confirms that according to above-mentioned condition the linear velocity of back pinch roller is 24m/min; Selecting the lower pressure wheel diameter for use is 60mm; The band banding pattern is XL type (pitch is 5.08mm) synchronously, and then the number of teeth of the second passive belt wheel is selected 24 teeth for use, according to drive connection and the V of Fig. 4
2=2V
1The number of teeth that can draw second driving pulley is 12 teeth, and the number of teeth of the first passive belt wheel is also selected 24 teeth for use, and the number of teeth of first driving pulley is selected 18 teeth for use.
It is as shown in Figure 3 that the bankbook line is cut off the stressing conditions of moment.Bankbook line breakpoint receives the effect of three power, the equal-sized power of tightening F promptly in the opposite direction and cutting force T, and there is following relation in the three:
In the formula, blade and line contact point were to the distance of support work top when H was blade cut-out line, and L is the wheelbase of front paper pressing wheels and back platen wheels.The power F of tightening can think equal the back pinch roller force of sliding friction (force of rolling friction of preceding pinch roller is ignored); Recording the power of the tightening scope that guarantees the suture quality through experiment is 0≤F≤2N; The threshold tensile force that suture is broken is 11.7N, considers simultaneously according to experimental result that the suture quality is got and tightens power F=1.1N.Equally, record optimum Cutting power T=0.33N according to experiment, according to following formula can try to achieve blade when turning to the extreme higher position and the suture contact point be 12～14mm to the scope of the height H of support work top, optimum height is 13mm.
During work, the front paper pressing wheels drive the line bankbook through rolling friction and advance, and back platen wheels advance through sliding friction drive line bankbook and the power of tightening is provided.Two adjacent blade folder contacts on the rotary cut-off knife frame are pushed down the back by bankbook and are rubbed with the bankbook lower surface; Corresponding blade folder contact is decontroled near a side of preceding lower pressure wheel until bankbook; Then blade folder contact stretches out the blade extending port, and the driven rotary cut-off rest rotates around central shaft.Because blade stretches out the blade extending port; So blade contacts with line; And tightening the effect incision disconnection line of power; Thereby the bankbook in back promotes blade folder contact and promotes the rotary cut-off knife frame and continue rotation, below this blade folder contact and next blade folder contact being pressed in this bankbook, and the cutting-off process that begins next existence.Can know that from said process blade folder contact provides and the corresponding to velocity of rotation of bankbook movement velocity to the rotary cut-off knife frame under the frictional force of bankbook and pressure effect, thereby can adapt to the situation that the bankbook wire length of manual high speed sewing machine differs.
Claims (9)
1. automatic break wire device of bankbook; Comprise break wire device; It is characterized in that: its also be fixed on Sewing machines work platform the place ahead support, be successively set on the support and wheelbase is front paper pressing wheels and back platen wheels and the transmission device of L; Said support is provided with the blade extending port, and said blade extending port is arranged on the centre of front paper pressing wheels and back platen wheels; Upper pressure wheel and preceding lower pressure wheel before said front paper pressing wheels comprise, said back platen wheels comprise back upper pressure wheel and back lower pressure wheel; First driving pulley that said transmission device comprises motor, be connected with motor coaxle, with the afterwards coaxial first passive belt wheel that is connected of lower pressure wheel and second driving pulley, with the coaxial second passive belt wheel that is connected of preceding lower pressure wheel; Said first driving pulley is connected through first synchronous cog belt with the first passive belt wheel, and said second driving pulley is connected through second synchronous cog belt with the second passive belt wheel.
2. the automatic break wire device of bankbook according to claim 1; It is characterized in that: said break wire device is the rotary cut-off knife frame that is arranged on blade extending port place, said rotary cut-off knife frame comprise the central shaft vertical with bankbook suture direction, can around central shaft revolution and cross section be equilateral triangle knife rest, be separately fixed at three blades folders on three sides of triangle knife rest and three blades that clamped by three blades folders respectively; The all protruding knife rest of the blade of said three blades and and tool axis between angle be θ; The top of said blade folder is provided with the blade folder contact higher than blade; All stretching out blade extending port and blade and suture contact point when the blade of said arbitrary blade turns to the extreme higher position is H to the height of support work top.
3. the automatic break wire device of bankbook according to claim 1 and 2 is characterized in that: said front paper pressing wheels are 160～180mm with the wheelbase L of back platen wheels; The linear velocity of said preceding lower pressure wheel is 1.1～1.3 times of suture speed; The linear velocity of said back lower pressure wheel is 1.8～2.2 times of preceding lower pressure wheel linear velocity.
4. the automatic break wire device of bankbook according to claim 3 is characterized in that: said front paper pressing wheels are 170mm with the wheelbase L of back platen wheels; The linear velocity of said preceding lower pressure wheel is 1.2 times of suture speed; The linear velocity of said back lower pressure wheel is 2 times of preceding lower pressure wheel linear velocity.
5. the automatic break wire device of bankbook according to claim 3; It is characterized in that: lower pressure wheel is 60mm with the diameter of back lower pressure wheel before said, and said synchronous cog belt banding pattern is the XL type, and its pitch is 5.08mm; The number of teeth of said first driving pulley is 18; The number of teeth of the first passive belt wheel is that the number of teeth of 24, the second driving pulleys is that the number of teeth of 12, the second passive belt wheels is 24.
6. the automatic break wire device of bankbook according to claim 3 is characterized in that: when the blade of said arbitrary blade turns to the extreme higher position and the suture contact point be 12～14mm to the height H of support work top.
7. the automatic break wire device of bankbook according to claim 6 is characterized in that: when the blade of said arbitrary blade turns to the extreme higher position and the suture contact point be 13mm to the height H of support work top.
8. the automatic break wire device of bankbook according to claim 3 is characterized in that: the blade of said three blades and the angle theta between the tool axis are 30～50 °.
9. the automatic break wire device of bankbook according to claim 8 is characterized in that: the blade of said three blades and the angle theta between the tool axis are 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910023777 CN102002827B (en) | 2009-09-02 | 2009-09-02 | Automatic line breaking device for deposit books |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910023777 CN102002827B (en) | 2009-09-02 | 2009-09-02 | Automatic line breaking device for deposit books |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102002827A CN102002827A (en) | 2011-04-06 |
| CN102002827B true CN102002827B (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910023777 Active CN102002827B (en) | 2009-09-02 | 2009-09-02 | Automatic line breaking device for deposit books |
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| CN (1) | CN102002827B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106985178A (en) * | 2017-02-28 | 2017-07-28 | 天津市津强纸业有限公司 | A kind of automatic continuous thread trimmer of Traditional thread binding notebook |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201140949Y (en) * | 2008-05-15 | 2008-10-29 | 东港安全印刷股份有限公司 | Automatic material collecting device of deposit book stitching machine |
| CN201495387U (en) * | 2009-09-02 | 2010-06-02 | 西安西正印制有限公司 | Automatic line breaking device for deposit book |
-
2009
- 2009-09-02 CN CN 200910023777 patent/CN102002827B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201140949Y (en) * | 2008-05-15 | 2008-10-29 | 东港安全印刷股份有限公司 | Automatic material collecting device of deposit book stitching machine |
| CN201495387U (en) * | 2009-09-02 | 2010-06-02 | 西安西正印制有限公司 | Automatic line breaking device for deposit book |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2002-002154A 2002.01.08 |
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| CN102002827A (en) | 2011-04-06 |
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