CN104369225B - The fixed length drilling method of soft-hard coextrusion sealing profile shapes and device - Google Patents
The fixed length drilling method of soft-hard coextrusion sealing profile shapes and device Download PDFInfo
- Publication number
- CN104369225B CN104369225B CN201410711145.2A CN201410711145A CN104369225B CN 104369225 B CN104369225 B CN 104369225B CN 201410711145 A CN201410711145 A CN 201410711145A CN 104369225 B CN104369225 B CN 104369225B
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- China
- Prior art keywords
- soft
- lead
- shock plate
- guide rail
- spring
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses fixed length drilling method and the device of a kind of soft-hard coextrusion sealing profile shapes.The present invention uses constant pulling rate and constant interval time on fixed position, continuous air duct protection plate profile shapes is cut off simultaneously and punched, such mode of blocking can make soft-hard coextrusion air duct protection plate fixed length, punching complete simultaneously, and utilize friction feeding mechanism, make production reliably, stably carry out, thus instead of complicated processes and the high cost of artificial, the inefficient mode of production of double-shot moulding, improve product quality and production efficiency.The inventive method is simple, easily implements, and the apparatus structure used is simple, and with low cost, using effect is good.
Description
Technical field
The present invention relates to middle field of mechanical technique, the fixed length drilling method of a kind of soft-hard coextrusion sealing profile shapes and device.
Background technology
Plastic co-extrusion technology is the most emerging plastic irregular profile forming technique, is widely used in the fields such as building industry (such as door and window profile material, plastic furniture and interior/exterior decoration profile shapes), auto industry (such as automobile plastic profile shapes accessory), packaging industry.Development along with domestic and international co-extrusion technology, and the raising at aspects such as extrusion equipment, extrusion die optimization design, mold machining technologies, promote variation and the multifunction of plastic irregular profile product, and then while improving product specification, reduce the cost of product.At present, soft-hard coextrusion air duct protection plate has the requirement of cause different in size on outfit, and also need to be in the position punching specified in hard material part.Therefore cut-out mode routinely is cut off, it is impossible to settle at one go, after needing artificial customized cut-off, fixed point punching two procedures just can complete again；And the method injection of another kind rapid shaping, although energy one step realizes the demand of goods, but it needs double-shot moulding, and mould processed complex, considerably increases production cost.Therefore be badly in need of a kind of novel soft-hard coextrusion air duct protection plate fixed length, punching integrated device to realize goods demand, improve production efficiency, reduce production cost.
Summary of the invention
It is an object of the invention to: the fixed length drilling method of a kind of soft-hard coextrusion sealing profile shapes and device, it can realize fixed-length cut-off and the demand of fixed point punching of multistage size after Profile Extrusion simultaneously, and a fixed length and punching step in producing continuously completes, instead of artificial cutting, the high cost of punching and loaded down with trivial details processing mode, and make extrusion instead of completely to be periodically molded production, substantially increase production efficiency, overcome the deficiencies in the prior art..
The present invention is achieved in that the fixed length drilling method of soft-hard coextrusion sealing profile shapes, extrusion moulding special shapes after cooling and shaping is drawn with constant speed, make it at the uniform velocity advance in guide rail, and in same position according to constant time interval the profile shapes in traction is cut off simultaneously and punches.
The fixed length perforating device of soft-hard coextrusion sealing profile shapes, including the guide rail being fixed on support, it is arranged over shock plate at guide rail, it is provided with blow cylinder at the top of shock plate, the piston rod of blow cylinder is connected with the top of shock plate, it is provided with lead, impact knives and striker pin in bottom, guide rail is provided with lead avoiding hollow groove, stamping knife avoiding hollow groove and red needle avoiding hollow groove；It is provided with fixed plate in the front end of shock plate, is provided with press-bending spring and holddown spring in the bottom of fixed plate；It is provided with brace groove in the front end of guide rail, is provided with the soft bar of support at the top of brace groove, is provided with in brace groove and is in the recovery feeding spring supported bottom soft bar.
The described length of soft bar that supports is 1:6-8 with the ratio of hauling speed, and unit is mm/s.
The Striker of described striker pin is the circular arc edge of a knife.The circular arc size of Striker may be selected to be 3.5:1 with the ratio of product thickness, and when circle hole radius is less than arc radius, circular arc size is unrelated with the size of impact circular hole.
Having angle a between the edge of a knife and the vertical direction of described impact knives, a is 45～55 °.In such angular range, contribute to impact process plays the effect streaked, make otch section smooth.
Described lead and lead avoiding hollow groove are more than 4, symmetrical centered by the piston rod of blow cylinder with the link position of shock plate.
It is provided with guide pin bushing at the top of lead avoiding hollow groove.
End at shock plate is provided with balance adjustment plate.
The elastic T1 of press-bending spring is less than the 1/2 of the elastic T2 of holddown spring, but the elastic T1 of press-bending spring is more than the elastic T3 recovering feeding spring.And the elastic T3 recovering feeding spring need to guarantee upspring in time mild steel bar and section bar.I.e. after T3 is defined as a: a T1 T2/2.
Owing to have employed technique scheme, compared with prior art, the present invention uses constant pulling rate and constant interval time on fixed position, continuous air duct protection plate profile shapes is cut off simultaneously and punched, such mode of blocking can make soft-hard coextrusion air duct protection plate fixed length, punching complete simultaneously, and utilize friction feeding mechanism, make production reliably, stably carry out, thus instead of complicated processes and the high cost of artificial, the inefficient mode of production of double-shot moulding, improve product quality and production efficiency.The inventive method is simple, easily implements, and the apparatus structure used is simple, and with low cost, using effect is good.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the present invention.
Detailed description of the invention
Embodiments of the invention: the fixed length drilling method of soft-hard coextrusion sealing profile shapes, extrusion moulding special shapes after cooling and shaping is drawn with constant speed, make it at the uniform velocity advance in guide rail, and in same position according to constant time interval the profile shapes in traction is cut off simultaneously and punches.
The structure of the fixed length perforating device of soft-hard coextrusion sealing profile shapes is as shown in the figure, including the guide rail 10 being fixed on support, it is arranged over shock plate 2 at guide rail 10, it is provided with blow cylinder 1 at the top of shock plate 2, the piston rod of blow cylinder is connected with the top of shock plate 2, it is provided with lead 6, impact knives 4 and striker pin 5 in bottom, guide rail 10 is provided with lead avoiding hollow groove 13, stamping knife avoiding hollow groove 14 and red needle avoiding hollow groove 15；It is provided with fixed plate 16 in the front end of shock plate 2, is provided with press-bending spring 7 and holddown spring 8 in the bottom of fixed plate 16；It is provided with brace groove 17 in the front end of guide rail 10, is provided with the soft bar 9 of support at the top of brace groove 17, is provided with in brace groove 17 and is in the recovery feeding spring 12 supported bottom soft bar 9；The described length of soft bar 9 that supports is 1:6-8 with the ratio of hauling speed, and unit is mm/s；The Striker of described striker pin 5 is the circular arc edge of a knife；Having angle a between the edge of a knife and the vertical direction of described impact knives 4, a is 45～55 °；Lead 6 and lead avoiding hollow groove 13 are more than 4, symmetrical centered by the piston rod of blow cylinder 1 with the link position of shock plate 2；Be provided with guide pin bushing 11 at the top of lead avoiding hollow groove 13, lead 6 is 0.02mm with the fit-up gap of guide pin bushing 11；End at shock plate 2 is provided with balance adjustment plate 3.
The work of blow cylinder 1 is controlled scavenging air valve by the existing time and controls, and impact knives 4 is driven shock plate 2 up and down motion to impact with striker pin 5 by blow cylinder 1；Being connected by lead 6 between shock plate 1 with guide rail 10, when percussion cutting-off, mechanism top moves downward with shock plate 2, and press-bending spring 7, holddown spring 8 push down section bar before impact section bar, then carries out cutting off punching action.During this, holddown spring 8 need to ensure that section bar nothing in guide rail 10 is mobile, now, follow-up section bar must continue reach, pile up, therefore the spring 7 that need to bend continues to move downward, make the soft bar of support 9 be bent downwardly plastic strips such as () supporting soft bar 9 are the material with preferable toughness, such as PVC bar, vacate accumulation stroke to follow-up section bar；After completing cut-out action, mechanism top rises therewith, and press-bending spring 7, holddown spring 8 unclamp therewith, then supports soft bar 9 and rises under recovering feeding spring 12 effect, stretches, section bar is sent into guide rail simultaneously.By the product after fixed length, punching integrated device impact molding, follow-up continuous section bar continue to carry forward by guide rail, until during next percussion action, go up a cycle product simultaneously automatically drop collection impacting.
Claims (7)
1. the fixed length perforating device of a soft-hard coextrusion sealing profile shapes, including the guide rail (10) being fixed on support, it is characterized in that: be arranged over shock plate (2) at guide rail (10), it is provided with blow cylinder (1) at the top of shock plate (2), the piston rod of blow cylinder is connected with the top of shock plate (2), it is provided with lead (6), impact knives (4) and striker pin (5) in bottom, guide rail (10) is provided with lead avoiding hollow groove (13), stamping knife avoiding hollow groove (14) and red needle avoiding hollow groove (15)；It is provided with fixed plate (16) in the front end of shock plate (2), is provided with press-bending spring (7) and holddown spring (8) in the bottom of fixed plate (16)；It is provided with brace groove (17) in the front end of guide rail (10), is provided with the soft bar of support (9) at the top of brace groove (17), be provided with in brace groove (17) and be in recovery feeding spring (12) supporting soft bar (9) bottom.
Device the most according to claim 1, it is characterised in that: the Striker of described striker pin (5) is the circular arc edge of a knife.
Device the most according to claim 1, it is characterised in that: having angle a between the edge of a knife and the vertical direction of described impact knives (4), a is 45～55 °.
Device the most according to claim 1, it is characterised in that: described lead (6) and lead avoiding hollow groove (13) are more than 4, symmetrical centered by the piston rod of blow cylinder (1) with the link position of shock plate (2).
5. according to the device described in claim 1 or 4, it is characterised in that: it is provided with guide pin bushing (11) at the top of lead avoiding hollow groove (13).
Device the most according to claim 1, it is characterised in that: the end at shock plate (2) is provided with balance adjustment plate (3).
Device the most according to claim 1, it is characterised in that: the elasticity of press-bending spring (7) is less than elastic 1/2 of holddown spring (8), but the elasticity of press-bending spring (7) is more than the elasticity recovering feeding spring (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410711145.2A CN104369225B (en) | 2014-12-01 | 2014-12-01 | The fixed length drilling method of soft-hard coextrusion sealing profile shapes and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410711145.2A CN104369225B (en) | 2014-12-01 | 2014-12-01 | The fixed length drilling method of soft-hard coextrusion sealing profile shapes and device |
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| Publication Number | Publication Date |
|---|---|
| CN104369225A CN104369225A (en) | 2015-02-25 |
| CN104369225B true CN104369225B (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410711145.2A Active CN104369225B (en) | 2014-12-01 | 2014-12-01 | The fixed length drilling method of soft-hard coextrusion sealing profile shapes and device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105945347A (en) * | 2016-05-25 | 2016-09-21 | 广西田阳至恒门业有限公司 | Cutting device |
| CN106042046B (en) * | 2016-05-25 | 2017-12-15 | 广西田阳至恒门业有限公司 | Punching guillotine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29807257U1 (en) * | 1998-04-22 | 1999-01-28 | Makrutzki, Wilfried, 19053 Schwerin | Device for strengthening the edges of the stitching hole and for punching stitching holes in paper or light cardboard sheets |
| CN201970354U (en) * | 2010-12-16 | 2011-09-14 | 王京琼 | Automatic shearing and punching machine for vertical curtain blades |
| CN102225548A (en) * | 2011-03-29 | 2011-10-26 | 山东华盛农业药械有限责任公司 | Automatic plastic tube cutting machine |
| CN202428474U (en) * | 2011-09-21 | 2012-09-12 | 中材科技股份有限公司 | Panel on-line division apparatus |
| CN103286817A (en) * | 2013-06-28 | 2013-09-11 | 贵州贵航汽车零部件股份有限公司 | Manufacturing method and device of fixed-length cut-off perforating machine for automobile sealing strip |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204658562U (en) * | 2014-12-01 | 2015-09-23 | 贵州省工程复合材料中心 | The fixed length perforating device of soft-hard coextrusion sealing profile shapes |
-
2014
- 2014-12-01 CN CN201410711145.2A patent/CN104369225B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29807257U1 (en) * | 1998-04-22 | 1999-01-28 | Makrutzki, Wilfried, 19053 Schwerin | Device for strengthening the edges of the stitching hole and for punching stitching holes in paper or light cardboard sheets |
| CN201970354U (en) * | 2010-12-16 | 2011-09-14 | 王京琼 | Automatic shearing and punching machine for vertical curtain blades |
| CN102225548A (en) * | 2011-03-29 | 2011-10-26 | 山东华盛农业药械有限责任公司 | Automatic plastic tube cutting machine |
| CN202428474U (en) * | 2011-09-21 | 2012-09-12 | 中材科技股份有限公司 | Panel on-line division apparatus |
| CN103286817A (en) * | 2013-06-28 | 2013-09-11 | 贵州贵航汽车零部件股份有限公司 | Manufacturing method and device of fixed-length cut-off perforating machine for automobile sealing strip |
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| CN104369225A (en) | 2015-02-25 |
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Effective date of registration: 20211014 Address after: 550000 shawen Industrial Park, Guiyang National High tech Industrial Development Zone, Guiyang City, Guizhou Province Patentee after: Guizhou engineering composite material Center Co.,Ltd. Patentee after: GUIZHOU PULI YINGJI TECHNOLOGY Co.,Ltd. Address before: No. a2-6, new material industrial park, Baiyun North Road, Guiyang, Guizhou 550025 Patentee before: GUIZHOU ENGINEERING COMPOSITE MATERIAL CENTER Patentee before: GUIZHOU PULI YINGJI TECHNOLOGY Co.,Ltd. |