CN102688940A - Forming mould of needle bed plug pin blank for computer knitting flat knitting machine - Google Patents
Forming mould of needle bed plug pin blank for computer knitting flat knitting machine Download PDFInfo
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- CN102688940A CN102688940A CN2012101757217A CN201210175721A CN102688940A CN 102688940 A CN102688940 A CN 102688940A CN 2012101757217 A CN2012101757217 A CN 2012101757217A CN 201210175721 A CN201210175721 A CN 201210175721A CN 102688940 A CN102688940 A CN 102688940A
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- steel band
- thin steel
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Abstract
A forming mould of a needle bed plug pin blank for a computer knitting flat knitting machine belongs to the technical field of moulds, and comprises an upper mould mechanism and a lower mould mechanism, wherein the upper mould mechanism comprises an upper template frame with at least one pair of guide sleeves, an upper template and a plug pin embossing die; the lower mould mechanism comprises a lower template frame and a lower template, wherein the lower template frame is provided with guide posts which are matched with the guide sleeves, are equal to the guide sleeves in number and correspond to the guide sleeves in position; and the lower template is fixed with one side of the lower template frame, which faces the upper mould mechanism, and is provided with a tool edge mould cavity which is matched with the plug pin embossing die and is arranged in the position corresponding to the plug pin embossing die. The forming mould is characterized in that one end of one side of the forming mould, which faces the lower template, is higher, the other end is lower, and the altitude difference of the higher end and the lower end is equal to the thickness of the needle bed plug pin blank to be stamped. The forming mould has the advantages of not only coping with the stamping of a thin steel strip which has an obviously-improved rigidity after being subjected to hot processing to ensure the quality of the needle bed plug pin blank, but also reducing the requirements for a stamping press and lowering equipment investment.
Description
Technical field
The invention belongs to technical field of mold, be specifically related to the Neilsbed plug-in sheet blank forming mould that a kind of computer plain flat knitter is used
Background technology
such as the production firm of computer plain flat knitter with use computer plain flat knitter produce fabric manufacturer the reason of knowledge; The knitting needle of the knitting mechanism of controlled flat knitting machine stretches out the distance of needle-bar when turning over the distance of needle tray that pin stretches out needle-bar when connecing pin than normal braiding much longer; Thereby on needle-bar, need set Neilsbed plug-in sheet; Play the effect of protection knitting needle by Neilsbed plug-in sheet; Avoid knitting needle occurring arrogating to oneself and/or beat because of leaning out needle-bar with connecing in the pin process, finally avoid broken needle, dropped stitch and ensure fabric quality such as turning over pin.This can be made much of through the reading to Chinese license notification number CN2742000Y (Neilsbed plug-in sheet of controlled flat knitting machine) and publication number CN101250792A (Neilsbed plug-in sheet).In addition, the concrete shape about Neilsbed plug-in sheet also can more be got information about referring to Chinese patent Granted publication CN300689754D and CN300816000D.
The processing step of
needle bed processing inserted sheet is numerous; Though and on concrete details difference to some extent; But initial step is identical basically; Promptly need obtain Neilsbed plug-in sheet base substrate (industry is also claimed blank), the material of Neilsbed plug-in sheet base substrate is thin steel band, and is obtained by the upper and lower mold mechanism punching out that is fitted to each other that is arranged on the punch press.
prior art usually with soft mode of dashing by stamping machine punch forming Neilsbed plug-in sheet base substrate; So-called soft dashing is meant being cold-strip steel without heat treated thin steel band or claiming that cold-reduced sheet dashes processing; Again the Neilsbed plug-in sheet base substrate is heat-treated after dashing processing; So that Neilsbed plug-in sheet satisfies the hardness requirement when on controlled flat knitting machine, using, otherwise can cause changing frequent because of wearability is fragile.But the Neilsbed plug-in sheet base substrate behind the punch forming is heat-treated shortcoming below the existence at least: distortion after heat treatment can appear in the Neilsbed plug-in sheet base substrate, causes qualification rate low, and loss is big; Because the uniformity to Neilsbed plug-in sheet base substrate thermal effectiveness is difficult to guarantee, therefore in use is prone to produce the fracture damage situation.Soft unique advantage of dashing is the requirement of stamping machine lower.
are undoubted; If with the mode of dashing firmly by stamping machine punch forming Neilsbed plug-in sheet base substrate; So above-mentioned shortcoming just can be eliminated; So-called hard dashing be meant and dash processing again after thin steel band is heat-treated to required hardness, towards the Neilsbed plug-in sheet base substrate that processes can avoid being out of shape, minimizing loss and improve the quality and reduce cost.But to having relatively high expectations of stamping machine.
therefore, how with aforesaid soft dash hold concurrently with the advantage of dashing firmly and become that industry is paid close attention to for a long time and urgent expectation solves and unsolved all the time technical problem.For this reason, the applicant has done useful exploration, has found the way of dealing with problems, and the technical scheme that will introduce below produces under this background
Summary of the invention
task of the present invention is to provide a kind of can making to be suitable for the thin steel band before the heat treatment is implemented the thin steel band punching press after the stamping machine reply heat treatment of punching press and used reduction to the harsh requirement of stamping machine and reduce the Neilsbed plug-in sheet blank forming mould that the computer plain flat knitter of equipment investment is used.
task of the present invention is accomplished like this; The Neilsbed plug-in sheet blank forming mould that a kind of computer plain flat knitter is used; Comprise mold mechanism and match with last mold mechanism and corresponding to the following mold mechanism of the below of last mold mechanism; Last mold mechanism comprise patrix grillage with at least one pair of guide pin bushing, with the patrix grillage towards the fixing cope match-plate pattern of a side of mold mechanism down be fixed on cope match-plate pattern towards the protruding punch die of inserted sheet of a side of mold mechanism down; Following mold mechanism comprise have match with said guide pin bushing and quantity equates and the counterdie grillage of the guide pillar that the position is corresponding and with the counterdie grillage towards a side of last mold mechanism fixing and lower bolster offer the edge of a knife die cavity that matches with the protruding punch die of inserted sheet in position corresponding to the protruding punch die of said inserted sheet; Be characterised in that: the protruding punch die of described inserted sheet is towards an end height of a side of said lower bolster and the other end is low, and the difference in height between a high end to a low end equates with the want thickness of stamping forming Neilsbed plug-in sheet base substrate.
are in a concrete embodiment of the present invention; The described mold mechanism of going up also includes a holding pad; This holding pad floats towards a side of said lower bolster with said cope match-plate pattern and is connected, and on this holding pad and in the position corresponding to the protruding punch die of said inserted sheet, offers the guided mode hole of matching with the protruding punch die of inserted sheet; At described lower bolster towards a side of said holding pad and in that each is arranged at intervals with one group with quick condition and is used for thin steel band guiding and spacing thin steel band guide and limit mechanism corresponding to the both sides of the length direction of said edge of a knife die cavity; Each thin steel band guide and limit mechanism matches with holding pad, and described thin steel band is the thin steel band after Overheating Treatment.
are in another concrete embodiment of the present invention; Offer that quantity equates with the quantity of said thin steel band guide and limit mechanism and corresponding guide bar hole, position at described holding pad towards a side of described lower bolster; And on lower bolster and in position, offer the thin steel band guide and limit mechanism installing hole that quantity equates with the quantity of thin steel band guide and limit mechanism corresponding to thin steel band guide and limit mechanism; Thin steel band guide and limit mechanism floating ground is arranged in the thin steel band guide and limit mechanism installing hole, and matches with described guide bar hole.
technical scheme provided by the invention is higher than the other end because the protruding punch die of inserted sheet is designed to an end towards a side of lower bolster; And the difference in height that forms between the low end from a high end equal the thickness of Neilsbed plug-in sheet base substrate of intolerable punching out; Thereby when the protruding punch die of inserted sheet when the direction of lower bolster is dived; Can produce the shearing effect of scissors mouth to thin steel band; Owing between mould and stamping machine, found rational equalization point, thereby can tackle thin steel band punching press that hardness after Overheating Treatment significantly improved, reduce again and can reduce equipment investment the requirement of stamping machine to guarantee the quality of Neilsbed plug-in sheet base substrate.
Description of drawings
Fig. 1 is the embodiments of the invention structure chart.
Fig. 2 is the cutaway view of Fig. 1.
Fig. 3 is the side view of the protruding punch die of inserted sheet.
The sketch map that
Fig. 4 carries out the step-by-step movement punching press for the present invention to thin steel band.
The specific embodiment
can be expressly understood technical spirit of the present invention and beneficial effect more for the auditor that the makes Patent Office especially public; The applicant general elaborates with the mode of embodiment below; But the description to embodiment all is not the restriction to the present invention program, any according to the present invention design done only for pro forma but not substantial equivalent transformation all should be regarded as technical scheme category of the present invention.
please be referring to Fig. 1 and Fig. 2; Understanding for the ease of the public; The applicant has illustrated that in Fig. 1 stamping machine is the support platform 4 of punch press, and this support platform 4 also can be described as workbench, and stamping machine has been shown in Fig. 2 is the top mold frame holder 5 of punch press.Last mold mechanism 1 is fixed on the top mold frame holder 5, and mold mechanism 2 is fixed on the support platform 4 down.
in the present embodiment; Last mold mechanism 1 comprises patrix grillage 11, cope match-plate pattern 12, the protruding punch die 13 of inserted sheet and holding pad 14; Patrix grillage 11 is fixing with top mold frame holder 5 shown in Figure 2 through the T shape screw slots of offering on it 113; And this patrix grillage 11 towards under a side promptly be fixed with a pair of guide pin bushing 111 towards a following side of mold mechanism 2, this forms angular dependence guide pin bushing 111 each other.Certainly, the quantity of guide pin bushing 111 also can be four, each fixing one in four bights of the patrix grillage 11 of cuboid, therefore can not limit protection scope of the present invention therefrom.Be fixed with upper padding plate 112 at patrix grillage 11 towards a side of lower bolster 12 again.
aforesaid cope match-plate pattern 12 usefulness cope match-plate pattern hold-down screws 122 and patrix grillage 11 towards under a side promptly fix towards a side of mold mechanism 2 down.Each offers one group of second guider screw hole 121 with the interval state in the both sides of the length direction of cope match-plate pattern 12, is furnished with a guider screw 1211 with quick condition in each second guider screw hole 121.
on the cope match-plate pattern 12 and towards under a side promptly fix the protruding punch dies 13 of a pair of inserted sheet with protruding punch die hold-down screw 131 towards a following side of mold mechanism 2, stagger each other in this position to the protruding punch die 13 of inserted sheet.
It both can be that through hole also can be the first guider screw hole 143 of blind hole that the both sides of the length direction of
aforesaid holding pad 14 respectively offer one group with the interval state; The aforesaid second guider screw hole 121 is corresponding with the first guider screw hole 143, and screws in the first guider screw holes 143 and holding pad 14 is connected with cope match-plate pattern 12 with quick condition through guider screw 1211.On holding pad 14 and in the position corresponding to the protruding punch die 13 of aforesaid a pair of inserted sheet, offer a pair of guided mode hole 141, the shape in guided mode hole 141 is consistent with the inserted sheet base substrate.Again, holding pad 14 towards under a side promptly respectively offer the guide bar hole 142 that one group of quantity equates with the quantity of thin steel band guide and limit mechanism 3 with the interval state towards a side of following mold mechanism 2 and in position corresponding to the following thin steel band guide and limit mechanism 3 that also will detail.And; Towards a side of cope match-plate pattern 12 and in that each is concaved with one group of spring cavity 144 with the interval state corresponding to the both sides of the length direction in aforesaid guided mode hole 141, in each spring cavity 144, be provided with usefulness at holding pad 14 so that the return spring 1441 of holding pad 14 returns (towards the direction displacement of descending mold mechanism 2).
are by illustrated in figures 1 and 2; On left end (shown position state) end face of aforesaid cope match-plate pattern 12, be fixed with a fracture cutter 123 with fracture cutter hold-down screw 1231; Useless and thin steel band 6 that be formed with material-dropping hole 61 by behind the intact Neilsbed plug-in sheet base substrate of 123 pairs of punching out of this fracture cutter cuts off, and thin steel band 6 is sent to through the step-by-step movement feed mechanism right-to-left that sets separately.
Fig. 1 and Fig. 2 please be continued to see in
; The following mold mechanism 2 that provides comprises counterdie grillage 21 and lower bolster 22; Counterdie grillage 21 is fixed through supporting base 213 and aforesaid support platform 4; On this counterdie grillage 21 and in position, be fixed with a pair of guide pillar 211 with the diagonal angle state equally corresponding to aforesaid a pair of guide pin bushing 111; Guide pillar 211 matches with the guide pillar hole 1111 of guide pin bushing 111, the relation that the quantity of guide pillar 211 and guide pin bushing 111 maintenances are followed in sb's footsteps, and on guide pillar 211, be equipped with guide pillar spring 2111.
are fixed with a charging conduit 214 below corresponding to counterdie frame plate 21, scoop out the inserted sheet base substrate of punch forming by this charging conduit 214.And be fixed with lower bolster 212 towards a side of lower bolster 22 at counterdie grillage 21.
are by shown in Figure 1; Corresponding to the both sides of aforesaid edge of a knife die cavity 221 and preferably one group of thin steel band guide and limit mechanism 3 respectively is set with the mode of paired cooperation; Each thin steel band guide and limit mechanism 3 is arranged in each thin steel band guide and limit mechanism installing hole 223; And respectively comprise a guide bar 31 and a spring 32, guide bar 31 is placed in the thin steel band guide and limit mechanism installing hole 223 with quick condition, and spring 32 is nested with on guide bar 31; The lower end of this spring 32 is bearing on the flange (spring base) of guide bar 31 bottoms, and the upper end then is bearing on the roof of thin steel band guide and limit mechanism installing hole 223.Because aforesaid guide bar hole 142 is corresponding with guide bar 31, so the end that guide bar 31 is stuck in thin steel band guide and limit mechanism installing hole 223 promptly matches with guide bar hole 142 upper end.By illustrated in figures 1 and 2, constitute a guide groove 311 in guide bar 31 upper ends, the thickness of the width of guide groove 311 and thin steel band 6 adapts.
preferred scheme also can respectively be offered a pair of first guide rod hole 145 and respectively offer a pair of second guide rod hole 224 at the two ends of lower bolster 22 at the two ends of aforesaid holding pad 14, first, second guide rod hole 145,224 corresponds to each other.And the two ends at cope match-plate pattern 12 respectively set pair of guide rods 124, and guide rod 124 matches with first, second guide rod hole 145,224, the aligning when this structure is convenient to Mould Machining and use.
are asked for an interview Fig. 3 and are combined Fig. 1 and Fig. 2; Shown in Figure 3 by this; The protruding punch die 13 of inserted sheet is towards an end height of the length direction of a side of lower bolster shown in Figure 1 22 and the other end is low, and promptly the right-hand member of location status shown in Figure 3 is high, and left end is low; From a high end to a low end promptly between right-hand member to left end formed difference in height equal the thickness of the Neilsbed plug-in sheet base substrate that institute will stamp out just, just equal to approach the thickness of steel band.So;, the thin steel band of the protruding punch die 13 of inserted sheet on lower bolster 22 can embody the scissors effect when diving; To adapt to the thin steel band punching press that the hardness after the heat treatment significantly has been enhanced; Thereby overcome the applicant objectively in the shortcoming described in the background technology hurdle, embodied the technique effect described in the superincumbent technique effect of the applicant hurdle.
see also Fig. 4 and continue to combine Fig. 1 and Fig. 2; Thin steel band 6 right-to-lefts are introduced to lower bolster 22 by step-by-step movement feed mechanism (not shown); And between the guide bar 31 corresponding to configuration in pairs; Avoid sideslip, and then limit, avoid being upturned the guide groove 311 on the guide bar 31.
are under the work of stamping machine at punch press, and the patrix grillage 11 of being gone up mold mechanism 1 by top mold frame holder 5 drives of punch press moves downward, and it is descending to drive cope match-plate patterns 12 by patrix grillage 11 simultaneously; And then it is descending to drive the protruding punch die of inserted sheets 13 by lower bolster 12; In the descending process of the protruding punch die of inserted sheet 13, owing to the effect of return spring 1441 takes the lead in holding pad 14 is pressed and on thin steel band 6, and guide bar 31 at this moment probes into guide bar hole 142; Along with the protruding punch die of inserted sheet 13 gets into guided mode holes 141 and dashes and during thin steel band 6; Return spring 1441 compressions, punch forming goes out the Neilsbed plug-in sheet base substrate under the cooperation of edge of a knife die cavity 221, on thin steel band 6, forms material-dropping hole 61 (Fig. 3 shows); Then patrix grillage 11 is up; Thin simultaneously steel band 6 is sent to a station by step-by-step movement feed mechanism right-to-left again, and the rest may be inferred and implement Neilsbed plug-in sheet base substrate punch forming, and the Neilsbed plug-in sheet base substrate behind the punch forming gets in the charging conduits 214 from edge of a knife die cavity 221.
In sum, technical scheme provided by the invention has overcome the deficiency of prior art, accomplished the invention task, has embodied applicant's alleged technique effect in the technique effect hurdle
Claims (3)
1. the Neilsbed plug-in sheet blank forming mould used of
a kind of computer plain flat knitter; Comprise mold mechanism (1) and match with last mold mechanism (1) and corresponding to the following mold mechanism (2) of the below of last mold mechanism (1); Last mold mechanism (1) comprise patrix grillage (11) with at least one pair of guide pin bushing (111), with patrix grillage (11) towards the fixing cope match-plate pattern (12) of a side of mold mechanism (2) down be fixed on the inserted sheet protruding punch die (13) of cope match-plate pattern (12) towards a side of descending mold mechanism (2); Following mold mechanism (2) comprise have match with said guide pin bushing (111) and quantity equates and the counterdie grillage (21) of the guide pillar (211) that the position is corresponding and with counterdie grillage (21) towards a side of last mold mechanism (1) fixing and lower bolster (22) offer the edge of a knife die cavity (221) that matches with the protruding punch die of inserted sheet (13) in position corresponding to the protruding punch die of said inserted sheet (13); It is characterized in that: the protruding punch die of described inserted sheet (13) is towards an end height of a side of said lower bolster (22) and the other end is low, and the difference in height between a high end to a low end equates with the want thickness of stamping forming Neilsbed plug-in sheet base substrate.
2. the Neilsbed plug-in sheet blank forming mould used of
computer plain flat knitter according to claim 1; It is characterized in that the described mold mechanism (1) of going up also includes a holding pad (14); This holding pad (14) and said cope match-plate pattern (12) float towards a side of said lower bolster (22) and are connected, and on this holding pad (14) and in the position corresponding to the protruding punch die of said inserted sheet (13), offer the guided mode hole (141) of matching with the protruding punch die of inserted sheet (13); At described lower bolster (22) towards a side of said holding pad (14) and in that each is arranged at intervals with one group with quick condition and is used for thin steel band guiding and spacing thin steel band guide and limit mechanism (3) corresponding to the both sides of the length direction of said edge of a knife die cavity (221); Each thin steel band guide and limit mechanism (3) matches with holding pad (14), and described thin steel band is the thin steel band after Overheating Treatment.
3.
The Neilsbed plug-in sheet blank forming mould that computer plain flat knitter according to claim 2 is used; It is characterized in that offering that quantity equates with the quantity of said thin steel band guide and limit mechanism (3) and corresponding guide bar hole, position (142) towards a side of described lower bolster (22) at described holding pad (14); And upward and in position offering the thin steel band guide and limit mechanism installing hole (223) that quantity equates with the quantity of thin steel band guide and limit mechanism (3) corresponding to thin steel band guide and limit mechanism (3) at lower bolster (22); Thin steel band guide and limit mechanism (3) floating ground is arranged in the thin steel band guide and limit mechanism installing hole (223), and matches with described guide bar hole (142)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101757217A CN102688940A (en) | 2012-05-31 | 2012-05-31 | Forming mould of needle bed plug pin blank for computer knitting flat knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101757217A CN102688940A (en) | 2012-05-31 | 2012-05-31 | Forming mould of needle bed plug pin blank for computer knitting flat knitting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102688940A true CN102688940A (en) | 2012-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101757217A Pending CN102688940A (en) | 2012-05-31 | 2012-05-31 | Forming mould of needle bed plug pin blank for computer knitting flat knitting machine |
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|---|---|
| CN (1) | CN102688940A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB358440A (en) * | 1929-03-29 | 1931-10-05 | Gustave Adolphe Ungar | Improvements in cutting machines for sheet metal or the like |
| JPH05277578A (en) * | 1991-03-25 | 1993-10-26 | Hitachi Cable Ltd | Precise punching die |
| CN201271702Y (en) * | 2008-10-06 | 2009-07-15 | 中国华录·松下电子信息有限公司 | Stamping mould structure capable of successfully demoulding after cutting and curving right-angle shape on metal plate |
| CN201823813U (en) * | 2010-09-25 | 2011-05-11 | 成都市龙泉通惠实业有限责任公司 | Punch forming mould |
| CN202105898U (en) * | 2011-05-04 | 2012-01-11 | 亿和精密金属制品(深圳)有限公司 | Progressive die scrapbridge blanking structure without burr |
| CN202239292U (en) * | 2011-10-26 | 2012-05-30 | 昆山宝锦激光拼焊有限公司 | Punching mold for demolding conveniently after cutting and right angle bending of sheet metal component |
| CN202571033U (en) * | 2012-05-31 | 2012-12-05 | 常熟市尚湖镇冶塘伟东模具厂 | Needle bed insert green body forming mold for computer weaving flat knitting machine |
-
2012
- 2012-05-31 CN CN2012101757217A patent/CN102688940A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB358440A (en) * | 1929-03-29 | 1931-10-05 | Gustave Adolphe Ungar | Improvements in cutting machines for sheet metal or the like |
| JPH05277578A (en) * | 1991-03-25 | 1993-10-26 | Hitachi Cable Ltd | Precise punching die |
| CN201271702Y (en) * | 2008-10-06 | 2009-07-15 | 中国华录·松下电子信息有限公司 | Stamping mould structure capable of successfully demoulding after cutting and curving right-angle shape on metal plate |
| CN201823813U (en) * | 2010-09-25 | 2011-05-11 | 成都市龙泉通惠实业有限责任公司 | Punch forming mould |
| CN202105898U (en) * | 2011-05-04 | 2012-01-11 | 亿和精密金属制品(深圳)有限公司 | Progressive die scrapbridge blanking structure without burr |
| CN202239292U (en) * | 2011-10-26 | 2012-05-30 | 昆山宝锦激光拼焊有限公司 | Punching mold for demolding conveniently after cutting and right angle bending of sheet metal component |
| CN202571033U (en) * | 2012-05-31 | 2012-12-05 | 常熟市尚湖镇冶塘伟东模具厂 | Needle bed insert green body forming mold for computer weaving flat knitting machine |
Non-Patent Citations (1)
| Title |
|---|
| 太田哲: "《冲压模具结构与设计图解》", 31 May 1980, 国防工业出版社 * |
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Application publication date: 20120926 |