CN1273238C - Cylindric push-cutting and edging composite tool for cutting and punching - Google Patents
Cylindric push-cutting and edging composite tool for cutting and punching Download PDFInfo
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- CN1273238C CN1273238C CN 200410042561 CN200410042561A CN1273238C CN 1273238 C CN1273238 C CN 1273238C CN 200410042561 CN200410042561 CN 200410042561 CN 200410042561 A CN200410042561 A CN 200410042561A CN 1273238 C CN1273238 C CN 1273238C
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- push blade
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Abstract
The present invention relates to a cylindrical push-cutting and edging composite cutting tool for cutting and punching, which is applied to mechanical cold processing techniques. The present invention is characterized in that a concave die (4) is orderly integrated with push blades (5), (6) and (7) which are combined together, the concave die and the push blades are all in hollow shapes, the upper part of the inner wall of the concave die is provided with a land (8), the inner wall surface below the land is an inclined surface which forms a back angle alpha with a vertical surface, and a chip groove is formed between the back angle and the next push blade; the lands of the push blade (5) and the push blade (6) are provided with chip dividing grooves (9) mutually staggered, the total length of the chip dividing grooves in each push blade accounts for 2/3 of the circumference of the push blade, the length of the land in each push blade is 1/3 of the circumference of the push blade, and the land of the push blade (7) is an annular land without a chip dividing groove. In the cutting tool, the concave die (4) can be integrated with the integral type push blades made from block materials below the concave die; the present invention realizes the finish machining of chain sheet edges, and enhances the tensile strength and the appearance quality of chains.
Description
Technical field
But the present invention is a kind of tubular broaching-deburring compound tool of blanking-stamping-out, is applied to belong to the mechanical cool-working technology field in the chain sheet cold punching pressure process.
Background technology
Usually the metal deformation process is divided into strain, plastic deformation and shear fracture three phases during stamping-out.Inevitably exist plastic compression band 14 on the chain sheet 10 stamping-out sections, mould to cut and be with 13 and shear fracture band 12 3 parts, its distribution situation is referring to Fig. 2.Though chain sheet outer rim is non-working edge, but coarse surface and extruding crackle can cause stress and concentrate in the chain drive process, reduce the tensile strength of chain, if in the chain assembling process, adopt chain sheet outer rim location simultaneously, will produce position error, coarse in addition outer rim influences presentation quality equally.
At present, the method that can one-time positioning better solves bright stamping-out problem has only fine blanking method.Fine-edge blanking need be assisted stamping-out with the forcing press of band profile of tooth blank holder, and blank holder falls earlier under the driving of forcing press sheet material is compressed, and drift falls and goes out needed part then.This machining process makes that the sheet material in the certain limit produces impression beyond the parts profile and can not utilize, causes waste of material.In order to improve the utilization rate of material, the stock layout spacing is very little during chain sheet stamping-out, and the distance between the two chain sheets generally equals sheet metal thickness.According to this criterion calculation, pitch-row is that 9.525mm, thickness are that outer chain sheet and the thickness of 1.06mm is the inner chain sheet of 1.3mm, and the stock layout spacing is respectively 1.06mm and 1.3mm.So little stock layout spacing is difficult to realize with fine blanking method.
Another method is: as the processing of chain film perforation, adopt the method for secondary location that chain sheet edge is processed.This method is worthless.For the processing of chain film perforation, can adopt secondary localization method to be since after the punching all hole therefore can adopt again and repair hole technology and repair also on same sheet material.And behind the chain sheet blanking, be scattered shape, and accessory size is little, and big in batches, the technology difficulty of reorientating is very big, and in addition from producing original consideration, processing is very uneconomic once more.
Summary of the invention
The objective of the invention is in order to solve foregoing problems, be that coarse outer rim of chain sheet and extruding crackle cause that in the chain drive process stress is concentrated, reduce the tensile strength of chain, influence problems such as presentation quality, propose a kind of one-time positioning and finished the new approaches of the blanking-deburring of chain sheet, but designed a kind of tubular broaching-deburring compound tool of blanking-stamping-out.
But the tubular of blanking-stamping-out of the present invention broaching-deburring compound tool such as Fig. 1, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and shown in Figure 8.But the tubular broaching-deburring compound tool that is somebody's turn to do blanking-stamping-out includes die 4, and land 8 is arranged at the top of its inwall, and the internal face of land 8 belows is an inclined-plane, forms relief angle α between inclined-plane and vertical plane; It is characterized in that: die 4 and three 5, No. 2 push blade of No. 1 push blade and No. 3 push blade 7 that constitute a group are combined into one, and its syndeton is: be connected 5, No. 2 push blade of No. 1 push blade and No. 3 push blade 7 successively with alignment pin and bolt below die 4; 5, No. 2 push blade of No. 1 push blade and No. 3 push blade 7 all are hollow form, and the top of its inwall all has land 8, and the internal face of land 8 belows is an inclined-plane; On the land of No. 1 push blade 5 and No. 2 push blade, have chip dividing groove 9.
But the tubular of described blanking-stamping-out broaching-deburring compound tool is characterized in that: form chip pocket between relief angle α that forms between the inclined-plane of die 4 and No. 1 push blade and No. 2 push blade inwalls and vertical plane and the next push blade, relief angles is the 4-6 degree.
But the tubular of described blanking-stamping-out broaching-deburring compound tool, it is characterized in that: No. 1 push blade 5 and No. 2 push blade 6 are provided with chip dividing groove 9, the chip dividing groove 9 of each push blade staggers mutually, the chip dividing groove total length accounts for 2/3 of its girth in each push blade, to account for the land of 1/3, No. 3 push blade 7 of its girth be the annular land that does not have chip dividing groove to land in each push blade.
But the tubular of described blanking-stamping-out broaching-deburring compound tool is characterized in that: this compound tool has two kinds of versions: the first, and be that each push blade of die (4) and its below is in turn connected into one; The secondth, die (4) links into an integrated entity with the monoblock type push blade of being made by whole block material.
But the work flow the during tubular of blanking-stamping-out of the present invention broaching-deburring compound tool machining chain sheet is: many punchings, and---burr is removed in smart punching---many blanking-deburrings---vibration.Wherein blanking-deburring should be after smart punching.According to this work flow, compound tool of the present invention is installed on the smart punching station afterwards of progressive die.When the end had the punch press drift 1 of alignment pin 2 descending, alignment pin at first inserted on the strip 3 endoporus of the smart chain sheet of breaking through, realized the fine positioning of blanking operation; When drift continues when descending, die is realized cutting, the blanking operation; Have chip dividing groove 9, and land 8 and No. 1 push blade and No. 2 push blade that chip dividing groove 9 is in staggered distribution mutually, realize chain sheet gabarit broaching-trimming process step of 1/3 respectively, the ring-type land 8 of No. 3 push blade is finished residue 1/3 chain sheet gabarit broaching-trimming process step.The blanking method of existing chain sheet processing and work flow are only finished the blanking operation as shown in Figure 3 on this station.
But the tubular of blanking-stamping-out of the present invention broaching-deburring compound tool has been avoided repeatedly locating the error that causes, has realized the fine finishining at chain sheet edge, has significantly improved chain sheet outer fringe surface crudy, thereby has improved chain tensile strength and presentation quality.
Description of drawings
But the tubular of Fig. 1 blanking-stamping-out of the present invention broaching-deburring compound tool structure chart;
The chain sheet side status schematic diagram that the existing chain sheet stamping-out technology of Fig. 2 is cut;
Fig. 3 has stamping-out technology schematic diagram now;
No. 1 push blade land of Fig. 4 distribution map;
No. 2 push blade lands of Fig. 5 distribution map;
No. 3 push blade lands of Fig. 6 distribution map;
Fig. 7 monoblock type push blade profile;
Fig. 8 monoblock type push blade vertical view;
Label is in the accompanying drawing:
1, drift 2, alignment pin 3, strip 4,7, No. 3 push blade 8 of 6, No. 2 push blade of 5, No. 1 push blade of die, land 9, chip dividing groove 10, chain sheet 11, chain film perforation 12, shear fracture band 13, mould cut be with 14, plastic compression band 15, push broach body.
The specific embodiment
But the tubular of blanking-stamping-out of the present invention broaching-deburring compound tool with reference to the accompanying drawings 1, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and technical scheme shown in Figure 8, adopt conventional machining technique to implement.
Die 4 of the present invention and 5, No. 2 push blade 6 of No. 1 push blade and No. 3 push blade 7 adopt commercially available mold materials and cutter material.Between die and the ternary push blade, adopt routine techniques it to be connected as one up and down successively with bolt and alignment pin.The width of the land of die is 1.0mm-2.0mm, and the width of the land of push blade is 0.5mm.On the land of No. 1 push blade 5 and No. 2 push blade 6, have chip dividing groove 9, the chip dividing groove of each blade staggers mutually, the chip dividing groove total length accounts for 2/3 of its girth in each push blade, and to account for the land of 1/3, No. 3 push blade 7 of its girth be the annular land that does not have chip dividing groove to land in each push blade.Chip dividing groove guarantees that not only No. 1 push blade and No. 2 push blade realize round cut, play that also smear metal is divided into the effect that fritter is convenient to chip removal.Die and push blade all have relief angle α, and relief angles can be selected the 4-6 degree.Select α=6 ° in the present embodiment.Naturally form chip pocket between relief angle and the next push blade.The effect of chip pocket is to be beneficial to drift 1 to move up and down and chain sheet blanking.The gap of drift and die is 0.05S, and the gap of drift and push blade land is 0.01S, and S is the thickness of plate.
But its die 4 of the tubular of blanking-stamping-out of the present invention broaching-deburring compound tool and three push blade both can the burst manufacturings, and combination is installed, and also can wholely make.Integral manufacturing method is: on the cutter crude green body, grind land 8, chip dividing groove 9 and relief angle α respectively with forming grinding wheel, land will constitute the accurate profile of cutter.
Processing characteristic of the present invention is: 1, compound tool has utilized the principle method of the push broach sword processing cylinder that is positioned at the hole inwall, and this principle method can be generalized to the cylinder processing of any cross sectional shape.2, common stamping mould and push blade are combined, the fine finishining of chain sheet blanking and gabarit can once be finished on punch press, does not need to increase new equipment, does not also need punch press is transformed.Punch press is transformed.3, utilize the round cut principle, it is one group that push blade is designed to three.
Embodiments of the invention have been used for reference the cutting principle of slotting tool and push broach and the round cut mode of endoporus broaching tool, have proposed blanking and the continuous method for processing of broaching one-time positioning.The push broach of prior art that different is can only processing parts the hole, push broach of the present invention is to utilize the blade processing cylinder that is positioned at the hole inwall, chain sheet 10 gabarits are this cylinder.
Embodiment of the present invention have reached purpose of the present invention.
Claims (4)
- But the tubular of 1 blanking-stamping-out broaching-deburring compound tool includes die (4), and land (8) is arranged at the top of its inwall, and the internal face of land (8) below is an inclined-plane, forms relief angle α between inclined-plane and vertical plane; It is characterized in that: die (4) is combined into one with three No. 1 push blade (5), No. 2 push blade (6) and No. 3 push blade (7) that constitute a group, and its syndeton is: adopt bolt to be connected No. 1 push blade (5), No. 2 push blade (6) and No. 3 push blade (7) successively with alignment pin in the below of die (4); No. 1 push blade (5), No. 2 push blade (6) and No. 3 push blade (7) all are hollow form, and the top of its inwall all has land (8), and the internal face of land (8) below is an inclined-plane; On the land of No. 1 push blade (5), No. 2 push blade (6), have chip dividing groove (9).
- But 2, the tubular of blanking-stamping-out according to claim 1 broaching-deburring compound tool, it is characterized in that: form chip pocket between relief angle α that forms between the inclined-plane of die (4) and No. 1 push blade (5) and No. 2 push blade (6) inwall and vertical plane and the next push blade, relief angle α angle is the 4-6 degree.
- But 3, the tubular of blanking-stamping-out according to claim 1 and 2 broaching-deburring compound tool, it is characterized in that: the chip dividing groove of each blade (9) staggers mutually, the chip dividing groove total length accounts for 2/3 of its girth in each push blade, to account for the land of 1/3, No. 3 push blade (7) of its girth be the annular land that does not have chip dividing groove to land in each push blade.
- But 4, the tubular of blanking-stamping-out according to claim 1 broaching-deburring compound tool is characterized in that: the push blade that is in turn connected into one in this compound tool also can be replaced by the monoblock type push blade that whole block material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410042561 CN1273238C (en) | 2004-05-24 | 2004-05-24 | Cylindric push-cutting and edging composite tool for cutting and punching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410042561 CN1273238C (en) | 2004-05-24 | 2004-05-24 | Cylindric push-cutting and edging composite tool for cutting and punching |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1583312A CN1583312A (en) | 2005-02-23 |
| CN1273238C true CN1273238C (en) | 2006-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410042561 Expired - Fee Related CN1273238C (en) | 2004-05-24 | 2004-05-24 | Cylindric push-cutting and edging composite tool for cutting and punching |
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| Country | Link |
|---|---|
| CN (1) | CN1273238C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007216293A (en) * | 2006-02-20 | 2007-08-30 | Tsubakimoto Chain Co | Sprocket made of steel plate and method of manufacturing the same |
| CN105458066B (en) * | 2014-08-14 | 2018-02-23 | 过冬 | A kind of section bar shaping mould |
| CN107617668B (en) * | 2016-07-14 | 2020-02-04 | 佛山市顺德区美的电热电器制造有限公司 | Punching method for notch on metal shell and metal shell of electric cooker |
| CN108608494B (en) * | 2016-12-09 | 2020-04-03 | 宁波市东盛纺织有限公司 | Novel cloth puncher |
| CN108608495A (en) * | 2016-12-12 | 2018-10-02 | 宁波市东盛纺织有限公司 | A kind of anticlogging cloth puncher |
| CN106734520A (en) * | 2016-12-21 | 2017-05-31 | 昆山市友森精密机械有限公司 | For the method for cutting edge of standpipe protecgulum |
| CN109454151A (en) * | 2018-11-20 | 2019-03-12 | 临汾市新晋汾焦铁设备制造有限公司 | Punching compound punch and hole punched device |
| CN110170849A (en) * | 2019-06-25 | 2019-08-27 | 绍兴创举汽车同步器齿环有限公司 | A kind of multi-functional processing assembly of lathe |
-
2004
- 2004-05-24 CN CN 200410042561 patent/CN1273238C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1583312A (en) | 2005-02-23 |
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