CN201195389Y - Automatic trimming cut mechanism of extrusion-blow shaping apparatus - Google Patents

Automatic trimming cut mechanism of extrusion-blow shaping apparatus Download PDF

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Publication number
CN201195389Y
CN201195389Y CNU200820085846XU CN200820085846U CN201195389Y CN 201195389 Y CN201195389 Y CN 201195389Y CN U200820085846X U CNU200820085846X U CN U200820085846XU CN 200820085846 U CN200820085846 U CN 200820085846U CN 201195389 Y CN201195389 Y CN 201195389Y
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die
mold
mechanism
front
rear
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CNU200820085846XU
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施金亨
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施金亨
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Abstract

An automatic edge-trimming mechanism of an extrusion blow molding machine comprises a framework, an extrusion die head and an air blowing mechanism are mounted above the framework, a die is arranged below the extrusion die head and the air blowing mechanism, the die is mounted between a front die plate and a rear die plate, the front die plate and the rear die plate are driven by an opening die mechanism to perform opening and closing movement back and forth, and are driven by a die moving mechanism to transversely move. The automatic edge-trimming mechanism is characterized in that an auxiliary die is additionally arranged between the front die plate and the rear die plate, the auxiliary die is parallel to the die and pushes against the outer side of the air blowing mechanism, the die cavity of the auxiliary die is identical with that of the die, edges of a front semi-die cavity and a rear semi-die cavity of the auxiliary die are respectively equipped with opposite trimmers, and the trimmers are driven by a trimming cylinder. The edge-trimming mechanism comprises the auxiliary die of which the die cavity is identical with that of the die, the edges of the die cavity of the auxiliary die are equipped with the trimmers, the portion exposed out of the die cavity (namely flash) is removed, and products contained in the die cavities are finished products. The automatic edge-trimming mechanism is utilized without manual trimming, really realizes automated production, is high in work efficiency, and saves labor cost.

Description

挤吹成型机的自动切边机构 Extrusion blow molding machine and automatically trimming mechanism

技术领域 FIELD

本实用新型涉及塑料中空容器挤吹成型机,特别是涉及挤吹成型机的自动切边机构,属于塑料机械领域。 The present invention relates to hollow plastic containers extrusion blow molding machine, and more particularly to extrusion blow molding machine and automatically trimming mechanism, belonging to the field of plastics machinery. 背景技术 Background technique

挤吹中空塑料成型机是中空容器(如矿泉水瓶、饮料瓶、药瓶、化妆品瓶等)成型的主要设备,由于挤吹成型机是一步法成型机,当管坯(挤出料团)经模头挤出后,直接放入模具内,其温度很高,经吹气机构吹制成型后,容易出现大量飞边,已有技术通常经过人工修边,来保证制品的质量和外观,但是工作量大,劳动强度高,特别是对多工位(对应多个开合模机构)的挤吹机来说, 一个工位就需一位修边人员,消耗人力多,人工成本高。 Extrusion blow molding machine is a hollow plastic container (such as mineral water bottles, beverage bottles, bottles, cosmetics bottles) mainly forming apparatus, since the machine is a one-step extrusion blow molding machine, when the tube (extrusion dough) by after die extrusion, directly into the mold, its temperature is high, after the blow molding blow mechanism, prone to large burr prior art generally after artificial trimming, to ensure the quality and appearance of the article, However workload, labor intensive, especially for multi-bit (corresponding to the plurality of mold opening and closing mechanism) for extrusion blow molding machine, a station would need a trimming personnel, human consumption, high labor costs. 发明内容 SUMMARY

本实用新型的目的是为了克服已有技术存在的缺点,提供一种实现自动切边,从而降低劳动强度,人工成本省,生产效率高,并且切口整齐、美观的挤吹成型机的自动切边机构。 The object of the present invention is to overcome the disadvantages of the prior art, there is provided an automatic trimming and automatically trimming one implementation, to reduce the labor intensity, save labor costs, high production efficiency, and cut neatly, the appearance of extrusion blow molding machine mechanism.

本实用新型挤吹成型机的自动切边机构的技术方案是:包括机架, 机架上方装有挤出模头和吹气机构,挤出模头和吹气机构下方有模具, 模具安装在前、后模板之间,前、后模板由开合模机构带动进行前、后开合移动,并由移模机构带动进行横向移动,其特征在于:前模板与后模板之间增设副模具,副模具与模具平行并靠着吹气机构的外侧,副模具与模具的型腔相一致,副模具的前、后两半型腔边沿分别装有相对的切刀,切刀由切口气缸带动。 Aspect of the present invention, extrusion blow molding machine is an automatic trimming means include: a rack, with the rack above the extrusion die and the blowing means, and below the extrusion die with a blow mold mechanism, in the mold mounting before, between the template, before and after the template driven by the mold opening and closing mechanism for the front, the opening and closing movement, driven by the shift mode means for lateral movement, characterized by: an additional sub-template between the front mold and the template, sub-mold and blow mold bodies parallel to and against the outer side of the sub-cavity mold of the mold coincide, before the sub-mold, the two halves are respectively provided with a cutter edge cavity opposite, slit cutter driven by a cylinder.

本实用新型的挤吹成型机的自动切边机构,与已有技术相比,主要在前模板与后模板之间增设了切边机构,切边机构包括与模具型腔相一致的副模具,副模具的型腔边沿安装切刀,露在型腔外的部分(即为飞边)被切除,而包容在型腔内的制品即为成品。 The present invention is an extrusion blow molding machine and automatically trimming mechanism, compared with the prior art, the addition of the front trimming means between the primary template and the template, the mold cavity comprises a trimming mechanism consistent with the sub-mold, the sub-cavity mold mounting rim cutter portion (i.e. burrs) exposed outside cavity is cut, and the inclusion in the cavity of the article is finished. 有了自动切边机构,制品吹制成型后,立即移动到自动切边机构进行切边,而无需人工修边, 真正实现自行化生产,工作效率高,并且节省人工成本。 With automatic trimming means, after blow molding the article, to move immediately and automatically trimming means trimming, without manual trimming, on their own real production, high efficiency, and save labor costs. 其具体工作过程如下:当模具内的管坯吹制成型后(此时,模具正对着吹气机构),开合模机构促使前模板和后模板分开,移模机构带动整个开合模机构(包括模具和副模具)移动到模头正下方夹取管坯(便于吹气机构下一次吹 The specific process is as follows: When the tube within the blow molding mold (At this time, blow mold means facing), mold opening and closing mechanism causes the front mold and the rear mold separated, shift mode to drive the entire mold opening and closing mechanism means (including mold and countermold) moves downward to clamp the die take positive shell (facilitates the primary blow-blow mechanism

塑),与此同时,副模具移动到吹气机构正下方;合模,副模具夹住吹气杆夹着的管坯,切口气缸工作,使切刀沿着制品轮廓切割,轮廓外的飞边即被自动切除;吹气机构中的吹气杆縮回,移模机构带动整个开合模机构反向移动,使模具又移动到吹气机构正下方(吹气杆动作),此时副模具位于吹气机构外侧的集瓶装置处,当模具内的管坯吹制成型后,开模,副模具型腔内的制品即落入输送带或者集瓶箱内。 Plastic), at the same time, the sub-mold is moved to right below the blow mechanism; mold, the sub-mold interposed between the rod tube sandwiched blow, slit working cylinder, the cutter cutting the article along the contour, the outer contour of fly i.e. automatically cut edge; blow mechanism in the retracted blow pin, the mold shift drive means throughout the mold opening and closing mechanism moves backward, and the mold is moved to right below the air blowing means (blow pin operation), then the sub- die means located at the outside of the collection bottle blowing mechanism, the mold tube after the blow molding, mold opening, mold cavity sub article i.e. belt or fall inside the bottle set. 本自动切边机构不仅可用于单工位,也可用于多工位,如二工位、三工位、四工位等等。 This means not only for automatic trimming single-station, multi-station can also be used, such as two-position, three-position, four stations and the like.

本实用新型的挤吹成型机的自动切边机构,其所述的副模具的前、 后两半型腔边沿的上部分别装有前上切刀和后上切刀(即前、后上切刀包容整个型腔的上部),其中一个切刀由上切口气缸带动,下部分别装有前底切刀和后底切刀(即前、后底切刀包容整个型腔的下部),其中一个底切刀由底切口气缸带动。 The present invention is an extrusion blow molding machine and automatically trimming mechanism, which before the sub-mold, after the upper edge of the cavity halves are respectively provided with the front upper blade (i.e., the front and rear upper blade, cutting the rear an upper portion of the entire pocket knife inclusive), wherein a cutout on the cylinder driven by the cutter, the lower portion are respectively provided with front and rear bottom end of the cutter blade (i.e. the front and rear end of the lower portion of the entire pocket cutter inclusive), wherein a the bottom undercut cutter driven by a cylinder. 在副模具的整个型腔边沿上部和下部分别安装相对的一组切刀,并且每组切刀均由一个气缸带动,使得受力均匀, 切口整齐、光滑、美观。 Throughout the sub-cavity mold upper and lower edges of the opposite set are mounted cutter, each cutter and driven by a cylinder, so that uniform force cut neatly, smooth, beautiful. 其所述的前、后底切刀的顶面与安装在模板上的定位块相碰,定位块与制品底部相配合, 一把底切刀连接底切口气缸的活塞杆,另一把底切刀经弹簧固定在连接杆上,连接杆固定在模板上, 底切刀由底切口气缸带动,由弹簧复位。 Which the front, rear top and bottom of the cutter block is mounted on a positioning template collide, the positioning block cooperating with the bottom product, a piston rod connected to the bottom cutter cylinder undercut, the undercut other via a spring blade fixed to the connecting rod, the connecting rod is fixed to the formwork, the bottom by a bottom slit cutter cylinder driven by the spring return.

附图说明 BRIEF DESCRIPTION

图1是本实用新型挤吹成型机图2的A向示意图; 图2是本实用新型挤吹成型机图1的B向示意图; FIG 1 A is a schematic view of the present invention to extrusion blow molding machine of FIG. 2; FIG. 2 is a schematic view of the present invention to B of extrusion blow molding machine of Figure 1;

图3是本实用新型挤吹成型机的自动切边机构图2的C向示意图; FIG 3 is a C-cutting mechanism of the present invention automatically extrusion blow molding machine of FIG. 2 to the schematic;

图4是本实用新型挤吹成型机的自动切边机构图3的D向示意图。 FIG 4 is a D-cutting mechanism of the present invention automatically extrusion blow molding machine of FIG. 3 to FIG. 具体实施方式 Detailed ways

本实用新型公开了一种挤吹成型机的自动切边机构,如图1、图2 所示是双工位挤吹成型机,包括机架,机架上方装有挤出模头1和吹气机构2,挤出模头和吹气机构下方有模具3,模具安装在前、后模板4、 5 之间,前、后模板由开合模机构6(开合模机构属已有技术,其方案很多, 一般采用三模板,三模板由导杆相连,在前、后模板之间安装模具,在后模板后面再安装一块移动板,后模板与移动板之间装有同步机构,后模板由开合模油缸带动)带动进行前、后开合移动,并由移模机构7 (移模机构属已有技术,其方案很多, 一般采用在三模板的后模板与移动板之间安装移模座,移模座由移模气缸提供动力,从而带动导杆及安装在导杆上的所有模板整体运动)带动进行横向移动,其特征在于:前模板4 The present invention discloses an automatic trimming mechanism for extrusion blow molding machine 1, shown is a duplex extrusion blow molding machine includes a frame, an extrusion die with the top of the rack 21 and FIG blow gas mechanism 2, an extrusion die and blow mechanism has the lower mold 3, the front mold mounting, the template 4, 5, between the front and rear plate 6 (metal mold opening and closing mechanism of the prior art by the mold opening and closing mechanism, many programs which generally use three templates, template connected by three guide rods, the front mold mounting between the template, the template then mounted behind a movable plate, with synchronization means between the rear plate and the mobile template, the template opening of the clamping cylinder from the front drive) for driving, after the opening and closing movement of the mold by the shift mechanism 7 (the case of prior art shift mode means, many programs which is generally used to install three shift between the template and the template moving plate die holder, the mobile die holder is powered by a shift cylinder model, and the guide rod so as to drive all of the templates moving integrally mounted on the guide bar) driven lateral movement, wherein: the front mold 4

与后模板5之间增设副模具8,副模具8与模具3平行并靠着吹气机构2 的外侧,副模具与模具的型腔相一致,副模具8的前、后两半型腔边沿 After the addition of the template between 5 and 8 sub-mold, the mold 8 and the sub-parallel to and against the outer side of the mold 3, the sub-mold and blow cavity mold bodies 2 coincident, the first eight sub-mold, the two halves of the mold cavity edge

分别装有相对的切刀,切刀由切口气缸带动,其具体的自动切边机构如 They are respectively provided with opposing cutter, cutter driven by the cut cylinder, and automatically trimming the specific mechanism, such as

图3、图4所示。 FIGS. 3, 4 as shown in FIG. 与已有技术相比,主要在前模板4与后模板5之间增设了切边机构,切边机构包括与模具3型腔相一致的副模具8,副模具的型腔边沿安装切刀,露在型腔外的部分(即为飞边)被切除,而包容在型腔内的制品即为成品。 Compared with the prior art, primarily between the front plate 4 and 5 after the addition of the template-cutting mechanism, comprising a trimming mechanism consistent with the mold cavity 3 sub-mold 8, the sub-cavity of the mold mounting edge cutter, exposed outside the cavity portion (i.e. burr) is cut, and the inclusion in the cavity of the article is finished. 有了自动切边机构,制品吹制成型后,立即移动到自动切边机构进行切边,而无需人工修边,真正实现自行化生产,工作效率高,并且节省人工成本。 With automatic trimming means, after blow molding the article, to move immediately and automatically trimming means trimming, without manual trimming, on their own real production, high efficiency, and save labor costs. 其具体工作过程如下:当模具3内的管坯吹制成型后(此时,模具3正对着吹气机构2),开合模机构6促使前模板4和后模板5分开,移模机构7带动整个开合模机构(包括模具3 和副模具8)移动到模头1正下方夹取管坯(便于吹气机构2下一次吹塑), 与此同时,副模具8移动到吹气机构2正下方;合模,副模具8夹住吹气杆夹着的管坯,切口气缸工作,使切刀沿着制品轮廓切割,轮廓外的飞边即被自动切除;吹气机构中的吹气杆縮回,移模机构7带动整个开合模机构6反向移动,使模具又移动到吹气机构2正下方(吹气杆动作), 此时副模具8位于吹气机构2外侧的集瓶装置处,当模具内的管坯吹制成型后,开模,副模具8型腔内的制品即落入输送带或者集瓶箱内。 The specific process is as follows: When the tube 3 within the blow molding mold (in this case, the die 3 facing the blowing means 2), mold opening and closing mechanism 6 causes the front and rear template 4 template 5 separately, shift mode opening mechanism 7 to drive the entire mold clamping mechanism (including a mold and a secondary mold 3 8) immediately below the head is moved to a mold clamping shell (facilitates the primary blow blow mechanism 2), at the same time, the sub-mold 8 is moved to the blow 2 directly below the valve mechanism; mold, the sub-mold blowing tube 8 sandwiched cutout cylinder interposed between the blade, the cutter blade cut along the contour of the article, i.e. fly outer contour automatically cut edge; blow mechanism the blow pin is retracted, shift mode mechanism 7 to drive the entire reverse movement 6 opening and clamping mechanism, the mold 2 has moved to just below (the blow pin operation) blowing mechanism, the mold 8 is in this case the sub-blow mechanism 2 collection means at the outside of the bottle, the inner tube when the blow molding mold, opening the mold, the sub-cavity mold 8 the belt or article falls i.e., set inside the bottle. 本自动切边机构不仅可用于单工位,也可用于多工位,如二工位、三工位、 四工位等等。 This means not only for automatic trimming single-station, multi-station can also be used, such as two-position, three-position, four stations and the like. 其副模具8的前、后两半型腔边沿的上部分别装有前上切刀91和后上切刀92 (即前、后上切刀包容整个型腔的上部),其中一个上切刀由上切口气缸10带动;下部分别装有前底切刀93和后底切刀94 (即前、后底切刀包容整个型腔的下部),其中一个底切刀由底切口气缸11带动。 Before its secondary mold 8, and the upper edge of the cavity halves are respectively provided with the front knife 91 and rear knife 92 (i.e. front, rear upper portion of the upper blade containment throughout the die cavity), wherein an upper blade 10 driven by a cylinder cutout; a lower end of the cutter 93 respectively with the front and the rear end of the cutter 94 (i.e. the front and rear end of the lower portion of the entire pocket cutter inclusive), wherein a bottom cutter 11 driven by a cylinder undercut. 在副模具的整个型腔边沿上部和下部分别安装相对的一组切刀, 并且每组切刀均由一个气缸带动,使得受力均匀,切口整齐、光滑、美观。 Throughout the sub-cavity mold upper and lower edges of the opposite set are mounted cutter, each cutter and driven by a cylinder, so that uniform force cut neatly, smooth, beautiful. 其所述的前、后底切刀93、 94的顶面与安装在前、后模板4、 5上的定位块12、 13相碰,定位块与制品底部相配合, 一把底切刀连接底切口气缸11的活塞杆111,另一把底切刀经弹簧14固定在连接杆15上, 连接杆固定在模板上,底切刀由底切口气缸ll带动,由弹簧14复位。 Which said front, rear end of the cutter 93, the top surface 94 and mounted on the front, rear plate 4, the positioning block 512, 13 collide, the positioning block cooperating with the bottom product, a cutter connected to the bottom 11111 undercut cylinder rod and the other end of the cutter 14 by the spring 15 fixed to the connecting rod, the connecting rod is fixed to the formwork, the bottom undercut cutter driven by the cylinder ll, a spring return 14.

Claims (3)

1.挤吹成型机的自动切边机构,包括机架,机架上方装有挤出模头(1)和吹气机构(2),挤出模头和吹气机构下方有模具(3),模具安装在前、后模板(4、5)之间,前、后模板由开合模机构(6)带动进行前、后开合移动,并由移模机构(7)带动进行横向移动,其特征在于:前模板(4)与后模板(5)之间增设副模具(8),副模具(8)与模具(3)平行并靠着吹气机构(2)的外侧,副模具与模具的型腔相一致,副模具(8)的前、后两半型腔边沿分别装有相对的切刀,切刀由切口气缸带动。 1. Automatic trimming means of extrusion blow molding machine, comprising a chassis with, the rack above the extrusion die (1) and the blowing means (2), under the extrusion die and blow mechanism has a mold (3) , the front mold mounting between the template (4,5), before and after the mold opening and closing mechanism from the template (6) for driving the front, after the opening and closing movement of the mold by the shift mechanism (7) driven for lateral movement, wherein: between the mold before adding the sub-template (4) and rear mold (5) (8), the sub-mold (8) and the mold (3) parallel to and against blow mechanism (2) is outside the sub-mold consistent cavity mold, before the sub-mold (8), the rear edge of the cavity halves are provided with opposed cutter, cutter driven by a cylinder cutout.
2、 如权利要求1所述的挤吹成型机的自动切边机构,其特征在于副模具(8)的前、后两半型腔边沿的上部分别装有前上切刀(91)和后上切刀(92),其中一个上切刀由上切口气缸(10)带动;下部分别装有前底切刀(93)和后底切刀(94),其中一个底切刀由底切口气缸(II) 带动。 2, and automatically trimming mechanism as claimed in extrusion blow molding machine according to claim 1, characterized in that the front sub-mold (8), the upper portion of the cavity halves are respectively provided with the front edge of the upper blade (91) and a rear the upper blade (92), wherein an upper blade (10) driven by a cylinder cutout; are respectively provided with a lower portion of the front end of the cutting blade (93) and a rear end of the cutting blade (94), wherein a bottom cylinder undercut by a cutter (II) drive.
3、 如权利要求2所述的挤吹成型机的自动切边机构,其特征在于所述的前、后底切刀(93、 94)的顶面与安装在前、后模板(4、 5)上的定位块(12、 13)相碰,定位块与制品底部相配合, 一把底切刀连接底切口气缸(11)的活塞杆(111),另一把底切刀经弹簧(14)固定在连接杆(15)上,连接杆固定在模板上。 3, according to claim 2, automatic trimming means of extrusion blow molding machine, wherein said front and rear end of the cutter (93, 94) mounted on the front surface of the top, the template (4, 5 ) on the positioning block (12, 13) collide, the positioning block is fitted with the bottom product, a piston rod end of the cutting blade (111) connected to the cylinder bottom cutout (11), and the other end of the cutting blade via a spring (14 ) fixed to the connecting rod (15), the connecting rod is fixed on the template.
CNU200820085846XU 2008-04-15 2008-04-15 Automatic trimming cut mechanism of extrusion-blow shaping apparatus CN201195389Y (en)

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CN102528984A (en) * 2012-01-04 2012-07-04 亚普汽车部件股份有限公司 Overflowing trimming device for plastic oil filling pipe
CN103273639A (en) * 2013-05-10 2013-09-04 张家港市普天机械制造有限公司 Full-automatic hollow blow molding machine
CN106426877A (en) * 2016-12-15 2017-02-22 泉州市纵横塑胶机械有限公司 Blow molding machine
CN106541560A (en) * 2016-12-26 2017-03-29 石家庄元鼎医疗器械有限公司 A kind of blow mold for cutting automatically waste material

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102285100A (en) * 2011-05-26 2011-12-21 张家港市同创机械有限公司 Mold for manufacturing a respiratory mask
CN102285100B (en) 2011-05-26 2012-10-03 张家港市同创机械有限公司 Mould used for manufacturing breathing mask
CN102528984A (en) * 2012-01-04 2012-07-04 亚普汽车部件股份有限公司 Overflowing trimming device for plastic oil filling pipe
CN102528984B (en) * 2012-01-04 2014-07-02 亚普汽车部件股份有限公司 Overflowing trimming device for plastic oil filling pipe
CN103273639A (en) * 2013-05-10 2013-09-04 张家港市普天机械制造有限公司 Full-automatic hollow blow molding machine
CN103273639B (en) * 2013-05-10 2015-10-07 张家港市德曼机械科技有限公司 Full-automatic blow molding machine
CN106426877A (en) * 2016-12-15 2017-02-22 泉州市纵横塑胶机械有限公司 Blow molding machine
CN106541560A (en) * 2016-12-26 2017-03-29 石家庄元鼎医疗器械有限公司 A kind of blow mold for cutting automatically waste material
CN106541560B (en) * 2016-12-26 2018-08-28 石家庄元鼎医疗器械有限公司 A kind of automatic blow mold for cutting waste material

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