CN104369225A - Fixed-length punching method and device for profiled bars for soft and hard co-extrusion sealing - Google Patents

Fixed-length punching method and device for profiled bars for soft and hard co-extrusion sealing Download PDF

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Publication number
CN104369225A
CN104369225A CN201410711145.2A CN201410711145A CN104369225A CN 104369225 A CN104369225 A CN 104369225A CN 201410711145 A CN201410711145 A CN 201410711145A CN 104369225 A CN104369225 A CN 104369225A
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CN
China
Prior art keywords
soft
fixed
guide rail
shock plate
lead
Prior art date
Application number
CN201410711145.2A
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Chinese (zh)
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CN104369225B (en
Inventor
陈兴江
郑传金
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贵州省工程复合材料中心
贵州普利英吉科技有限公司
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Application filed by 贵州省工程复合材料中心, 贵州普利英吉科技有限公司 filed Critical 贵州省工程复合材料中心
Priority to CN201410711145.2A priority Critical patent/CN104369225B/en
Publication of CN104369225A publication Critical patent/CN104369225A/en
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Publication of CN104369225B publication Critical patent/CN104369225B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38Cutting-out; Stamping-out
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/06Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/02Perforating by punching, e.g. with relatively-reciprocating punch and bed

Abstract

The invention discloses a fixed-length punching method and device for profiled bars for soft and hard co-extrusion sealing. According to the fixed-length punching method and device, cutting and punching are carried out on the continuous air flue protection plate profiled bars at the same time at the fixed point position at the constant traction speed and constant interval time; according to the cutting mode, length fixing and punching on soft and hard co-extrusion air flue protection plates can be completed at the same time; a continuous feeding mechanism is adopted, so that production is carried out reliably and stably, the production mode with the double-shot molding complex process and the high-cost and low-efficiency manual machining is replaced, and the production quality and the production efficiency are improved. The fixed-length punching method is simple and easy to implement, and the adopted device is simple in structure, low in cost and good in using effect.

Description

The fixed length drilling method of soft-hard coextrusion sealing profile shapes and device

Technical field

The present invention relates to middle field of mechanical technique, especially a kind of fixed length drilling method of soft-hard coextrusion sealing profile shapes and device.

Background technology

Plastic co-extrusion technology is plastic irregular profile forming technique emerging in recent years, is widely used in the fields such as building industry (as door and window profile material, plastic furniture and interior/exterior decoration profile shapes), auto industry (as automobile plastic profile shapes accessory), packaging industry.Along with the development of domestic and international co-extrusion technology, and the raising in extrusion equipment, extrusion die optimal design, mold machining technology etc., impel variation and the multifunction of plastic shaped section product, and then while raising product specification, reduce the cost of product.At present, soft-hard coextrusion air duct protection plate has the requirement caused different in size on outfit, and in the position punching that hard material part also need specified.Therefore cut-out mode is routinely cut off, and can not settle at one go, after needing artificial customized cut-off, fixed point punching two procedures just can complete again; And the method for another kind of rapid shaping---injection moulding, although energy one step realizes the demand of goods, it needs double-shot moulding, and Mould Machining is complicated, 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, enhance productivity, reduce production cost.

Summary of the invention

The object of the invention is: a kind of fixed length drilling method of soft-hard coextrusion sealing profile shapes and device, the fixed-length cut-off of multistage size and the demand of punching of fixing a point after it can realize Profile Extrusion simultaneously, and fixed length and punching step in continuous seepage complete, instead of artificial cutting, the high cost of punching and loaded down with trivial details processing mode, and make extrusion instead of periodic injection moulding production completely, 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 the constant time interval profile shapes in traction is cut off simultaneously and punched.

The fixed length perforating device of soft-hard coextrusion sealing profile shapes, comprise the guide rail be fixed on support, shock plate is provided with above guide rail, blow cylinder is provided with at the top of shock plate, the piston rod of blow cylinder is connected with the top of shock plate, be 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; Be provided with fixed head in the front end of shock plate, be provided with press-bending spring and holddown spring in the bottom of fixed head; Be provided with brace groove in the front end of guide rail, be provided with at the top of brace groove and support soft bar, in brace groove, be provided with the recovery feeding spring being in and supporting bottom soft bar.

The length of the soft bar of described support 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 has nothing to do with the size of impacting circular hole.

Have angle a between the edge of a knife of described impact knives and vertical direction, a is 45 ~ 55 °.In such angular range, contribute in impact process, playing the effect of streaking, make otch section smooth.

Described lead and lead avoiding hollow groove are more than 4, symmetrical centered by the link position of the piston rod of blow cylinder and shock plate.

Guide pin bushing is provided with at the top of lead avoiding hollow groove.

Balance adjustment plate is provided with at the end of shock plate.

The elasticity T1 of press-bending spring is less than 1/2 of the elasticity T2 of holddown spring, but the elasticity T1 of press-bending spring is greater than the elasticity T3 recovering feeding spring.And the elasticity T3 recovering feeding spring need guarantee upspring in time mild steel bar and section bar.Namely after T3 is defined as a: a ﹤ T1 ﹤ T2/2.

Owing to have employed technique scheme, compared with prior art, the present invention adopts constant pulling rate and constant interval time cut off simultaneously continuous air duct protection plate profile shapes and punch on fixed position, the mode of blocking like this can make soft-hard coextrusion air duct protection plate fixed length, punching completes simultaneously, and utilize friction feeding mechanism, production reliably, is stably carried out, so just 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, result of use is good.

Accompanying drawing explanation

Accompanying drawing 1 is 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 the constant time interval profile shapes in traction is cut off simultaneously and punched.

The structure of the fixed length perforating device of soft-hard coextrusion sealing profile shapes as shown in the figure, comprise the guide rail 10 be fixed on support, shock plate 2 is provided with above guide rail 10, blow cylinder 1 is provided with at the top of shock plate 2, the piston rod of blow cylinder is connected with the top of shock plate 2, be 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; Be provided with fixed head 16 in the front end of shock plate 2, be provided with press-bending spring 7 and holddown spring 8 in the bottom of fixed head 16; Be provided with brace groove 17 in the front end of guide rail 10, be provided with at the top of brace groove 17 and support soft bar 9, in brace groove 17, be provided with the recovery feeding spring 12 being in and supporting bottom soft bar 9; The length of the soft bar 9 of described support 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; Have angle a between the edge of a knife of described impact knives 4 and vertical direction, a is 45 ~ 55 °; Lead 6 and lead avoiding hollow groove 13 are more than 4, symmetrical centered by the link position of the piston rod of blow cylinder 1 and 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; Balance adjustment plate 3 is provided with at the end of shock plate 2.

The work of blow cylinder 1 is controlled by existing time controling scavenging air valve, and impact knives 4 and striker pin 5 drive shock plate 2 to move up and down by blow cylinder 1 to impact; Be 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 carry out cut-out punching action.In this process, holddown spring 8 need ensure section bar in guide rail 10 without mobile, now, follow-up section bar must continue reach, pile up, therefore the spring 7 that need bend continues to move downward, the soft bar of support 9 being bent downwardly (supporting soft bar 9 for having the material of better toughness, the plastic strips such as such as PVC bar), vacateing accumulation stroke to follow-up section bar; After completing cut-out action, mechanism rises on top thereupon, and press-bending spring 7, holddown spring 8 unclamp thereupon, rises, stretches, section bar is sent into guide rail simultaneously so support soft bar 9 under recovery feeding spring 12 acts on.By fixed length, punching integrated device impact shaping after product, continued to carry forward by guide rail by follow-up continuous section bar, until during next percussion action, go up a cycle product in impact simultaneously and automatically to drop collection.

Claims (9)

1. the fixed length drilling method of a soft-hard coextrusion sealing profile shapes, it is characterized in that: the 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 the constant time interval profile shapes in traction is cut off simultaneously and punched.
2. one kind adopts the device of the fixed length drilling method of soft-hard coextrusion sealing profile shapes according to claim 1, comprise the guide rail (10) be fixed on support, it is characterized in that: be provided with shock plate (2) in guide rail (10) top, blow cylinder (1) is provided with at the top of shock plate (2), the piston rod of blow cylinder is connected with the top of shock plate (2), be 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); Be provided with fixed head (16) in the front end of shock plate (2), be provided with press-bending spring (7) and holddown spring (8) in the bottom of fixed head (16); Be provided with brace groove (17) in the front end of guide rail (10), be provided with at the top of brace groove (17) and support soft bar (9), in brace groove (17), be provided with the recovery feeding spring (12) being in and supporting soft bar (9) bottom.
3. device according to claim 2, is characterized in that: the length of the soft bar of described support (9) is 1:6-8 with the ratio of hauling speed, and unit is mm/s.
4. device according to claim 2, is characterized in that: the Striker of described striker pin (5) is the circular arc edge of a knife.
5. device according to claim 2, is characterized in that: have angle a between the edge of a knife of described impact knives (4) and vertical direction, a is 45 ~ 55 °.
6. device according to claim 2, is characterized in that: described lead (6) and lead avoiding hollow groove (13) are more than 4, symmetrical centered by the link position of the piston rod of blow cylinder (1) and shock plate (2).
7. the device according to claim 2 or 6, is characterized in that: be provided with guide pin bushing (11) at the top of lead avoiding hollow groove (13).
8. device according to claim 2, is characterized in that: be provided with balance adjustment plate (3) at the end of shock plate (2).
9. device according to claim 2, is characterized in that: the elasticity of press-bending spring (7) is less than flexible 1/2 of holddown spring (8), but the elasticity of press-bending spring (7) is greater than the elasticity recovering feeding spring (12).
CN201410711145.2A 2014-12-01 2014-12-01 The fixed length drilling method of soft-hard coextrusion sealing profile shapes and device CN104369225B (en)

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

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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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CN104369225B CN104369225B (en) 2016-08-31

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Cited By (2)

* Cited by examiner, † Cited by third party
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
CN106042046A (en) * 2016-05-25 2016-10-26 广西田阳至恒门业有限公司 Punching and cutting machine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29807257U1 (en) * 1998-04-22 1999-01-28 Makrutzki Wilfried 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
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29807257U1 (en) * 1998-04-22 1999-01-28 Makrutzki Wilfried 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
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

Cited By (3)

* Cited by examiner, † Cited by third party
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
CN106042046A (en) * 2016-05-25 2016-10-26 广西田阳至恒门业有限公司 Punching and cutting machine
CN106042046B (en) * 2016-05-25 2017-12-15 广西田阳至恒门业有限公司 Punching guillotine

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