CN201371530Y - Plastic product manufacturing device - Google Patents

Plastic product manufacturing device Download PDF

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Publication number
CN201371530Y
CN201371530Y CN200920004005U CN200920004005U CN201371530Y CN 201371530 Y CN201371530 Y CN 201371530Y CN 200920004005 U CN200920004005 U CN 200920004005U CN 200920004005 U CN200920004005 U CN 200920004005U CN 201371530 Y CN201371530 Y CN 201371530Y
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China
Prior art keywords
cooling
shaping
plastic products
channel
production equipment
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Expired - Fee Related
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CN200920004005U
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Chinese (zh)
Inventor
王明信
李强
傅庆蓉
史佛保
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王明信
李强
傅庆蓉
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Priority to CN200920004005U priority Critical patent/CN201371530Y/en
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Abstract

The utility model relates to a plastic product manufacturing device, which comprises an extruder, a machine head, a cooling and forming device, a traction machine and a cutting machine. The inside of the machine head is provided with a forming die which comprises a die body, the inside of the die body is provided with a forming channel, baffles are arranged in the positions in which the thicknesses of the cross section of the forming channel may change and divide the forming channel into a plurality of sub-channels with the thicknesses of the cross sections being uniform, the cooling and forming device is provided with a cooling fluid supply device which is connected with the cooling and forming device, and comprises a main body and a cooling channel formed in the main body, and the wall of the cooling channel is provided with a plurality of fluid troughs which are communicated with the cooling fluid supply device. The utility model can manufacture plastic products with different thicknesses, stable states and smooth surfaces.

Description

The plastic products production equipment
Technical field
The utility model relates to the production equipment of plastic products, specifically is the production equipment of the plastic products of uneven distribution.
Background technology
The production equipment of plastic products in the prior art comprises extruder, head, cooling and shaping device, hauling machine and cutting machine, all passes through a cooling and shaping equipment behind plastic product forming, with the described plastic products of cooling and shaping.In the middle of actual production, often need to make the plastic products of section configuration complexity, these class plastic products wall thickness everywhere is often not quite identical, cause these plastic products in processing (comprising moulding and typing) process, to have technologic difficulty thus, because each position wall unevenness of described plastic products, directly bring following two problems: the one, during with the plastic products of the above-mentioned uneven distribution of existing mould moulding, because plastics have bigger flowage friction resistance in the molten condition current downflow, like this when extruder is extruded the plastics of molten condition in the passage of same pressure at mould, will certainly cause in the shaping channel of plastic extruder mould moulding than the flowing velocity of thickness portion flowing velocity greater than the thin part of moulding, make that plastic products can't curing molding or the form instability of the plastic products of curing molding, and the surface can not reach smooth; The 2nd,, existing cooling and shaping device cools off the poor quality of the plastic products of above-mentioned uneven distribution, because different parts distribute heat difference on each section of described plastic products, cause each position temperature of described plastic products to differ, and then the internal stress that causes described plastic products to produce in type-approval process is inhomogeneous, produce surperficial injection defect,, have a strong impact on the quality of these plastic products as producing local dent at thicker position.
Publication number is that to disclose a kind of be the plastic material pre-cooler of cooling medium with compressed air to the Chinese utility model patent of CN1739940A, described pre-cooler comprises flexible pipe, magnetic stand, choke valve and air valve, wherein an end of flexible pipe is communicated with the gas outlet of choke valve, the air inlet of choke valve is communicated with the compressed air gas source pipe, and the other end of flexible pipe is connected with the magnetic stand that is used to be adsorbed on die head and dried shaper end face.During use, with the termination of flexible pipe aim on the plastic material, the bad position of the cooling cooling of blowing in dried shaper, thereby the each several part temperature of the section of plastic material after typing is tending towards evenly, minimizing plastic material generation of defects.
Above-mentioned document adopts the method to being difficult for the cooling direct blast-cold in position to make each position temperature be tending towards even, but above-mentioned pre-cooler can only carry out blast-cold to its adsorbed privileged site, the position of cooling is limited, when a plurality of positions of same described plastic material all need be cooled off, need a plurality of pre-cool equipment described in the above-mentioned document to work the technological operation more complicated simultaneously; During work, described pre-cool equipment and pre-cooled plastic material need transmit blast-cold, non-ly directly contact blast-cold by die head or dried calibrator heat, and this kind type of cooling energy loss is big and speed described blast-cold is extremely slow.In addition, when the described plastic material of cooling and shaping, described plastic material directly contacts with described dried calibrator in the above-mentioned document, makes that the described surface of plastic products after the typing is rough, jagged.
For cooling plastic goods quickly, usually select the mode of direct water-cooling for use in the prior art, for the consideration of production efficiency, plastic industry does not generally adopt air cooling.But the mode of above-mentioned employing direct water-cooling though cooling velocity is fast, has been lost the cooling uniformity at each position, often makes that the surface of plastic products flatness is not enough.
The utility model content
For this reason, the utility model is to solve the technical problem of the plastic products that prior art can not the good production uneven distribution, propose a kind of can extrude have different wall and form stable, ganoid plastic products production equipment.
Described plastic products production equipment of the present utility model solves the even smooth inadequately technical problem of surface of plastic products that is caused of inhomogeneous cooling in the prior art simultaneously.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is as follows:
A kind of plastic products production equipment, comprise extruder, head, cooling and shaping device, hauling machine, cutting machine, be provided with mould in the described head, described mould comprises die ontology, in described die ontology, form the shaping channel that shape and described plastic products cross sectional shape adapt, described cooling and shaping equipment comprises the cooling and shaping device, and the cooling fluid supply apparatus that is connected with described cooling and shaping device;
Wherein, described shaping channel cross section is made up of the different several parts of thickness, and the position that changes at described shaping channel section thickness is provided with dividing plate, and described shaping channel is separated into several subchannels of section thickness homogeneous by described dividing plate;
Described cooling and shaping device comprises the cooling and shaping body, form the cooling duct that shape and described plastic products cross sectional shape adapt in the described cooling and shaping body, on the wall of described cooling duct, form several fluid slots that are communicated with fluid supply apparatus with described cooling.
Described dividing plate is located at the front end of described shaping channel.
Described shaping channel is tabular.
The cross section of described shaping channel have a plurality of be trapezoidal continuously every protruding, concave portion.
The cross section of described shaping channel comprises first parallel portion that is positioned at centerline, the both sides of described first parallel portion connect the first hypotenuse part of inclination upwardly and outwardly respectively, the opposite side of described first hypotenuse part connects second parallel portion, the opposite side of described second parallel portion connects downwards and the second outward-dipping hypotenuse part, and the opposite side of described second hypotenuse part connects the 3rd parallel portion; Described dividing plate is located at the corner in described shaping channel cross section.
The described subchannel of the described mould that the cross section is different is connected with the feeder channel of different pressures, and is equal substantially with the flowing velocity that guarantees molten condition plastics in each subchannel.
Described plastic products generate equipment and also comprise a pressure control device, are used to control the pressure to the described feeder channel of each subchannel feed.
The bearing of trend of described fluid slot is vertical substantially with the described plastic products direction of motion.
Each described fluid slot is communicated with fluid supply apparatus with described cooling by the fluid supplying passage that is molded in the described cooling and shaping body.
Described cooling and shaping body is made of relatively-movable first body part and second body part; Described cooling duct is made up of the respective channel that is molded on described first body part and described second body part.
Described fluid slot is communicated with fluid supply apparatus with described cooling by the fluid supplying passage that is molded in the described cooling and shaping body; Described fluid supplying passage is made up of the corresponding recesses that is molded over respectively on described first body part and described second body part.
Described cooling fluid is a gas.
Has the cooling and shaping device that several series connection are provided with.
Technique scheme of the present utility model has the following advantages compared to existing technology:
Technique scheme of the present utility model has the following advantages compared to existing technology: first, by the position that changes at the die channel section thickness dividing plate is set passage is divided into different subchannels, the section thickness homogeneous of each subchannel, and use the different different subchannels of pressure feeding mechanism pair cross-section thickness to apply different pressure, thereby make the shaping speed of plastics in each subchannel of molten condition identical, thereby plastic products that can the extrusion molding uneven distribution; The second, by the subregion extrusion molding, not only improved the efficient of extrusion molding, and the plastic products quality that extrusion molding goes out is even, functional.Described cooling and shaping equipment of the present utility model, by the cooling of the fluid realization in the feeding fluid slot to described plastic products, described fluid forms fluid cushion in the described cooling duct of described cooling and shaping device moulding, avoided described plastic products directly to contact, made the smooth surface of described plastic products with described cooling and shaping device; It is medium that cooling fluid particularly of the present utility model adopts gas, makes each position more uniform temperature of described plastic products, and described surface of plastic products is smooth.In addition, described cooling and shaping device structure of the present utility model is simple, easy to operate.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, according to specific embodiment of the utility model also in conjunction with the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the production equipment structural representation of first embodiment of the utility model;
Fig. 2 is the structural representation of first embodiment mould of the utility model;
Fig. 3 is the structural representation of first embodiment cooling and shaping device of the utility model;
Fig. 4 is the three-dimensional exploded view of the cooling and shaping device in embodiment illustrated in fig. 3;
Fig. 5 is the zoomed-in view of B portion among Fig. 4;
Fig. 6 is the fluid slot cross sectional shape schematic diagram in the cooling and shaping device shown in Figure 4.
Reference numeral is expressed as among the figure: 1-cooling and shaping device, 2-die ontology, 11-cooling and shaping body, 111-first body part, 112-second body part, 12-fluid slot, the 13-cooling duct, 14-fluid supplying passage, 22-shaping channel, the 23-dividing plate, h-fluid slot section depth, w-fluid slot cross-sectional width, spacing between the adjacent described fluid slot of L-, a-extruder, b-head, the c-hauling machine, d-cutting machine, e-laminating machine.
The specific embodiment
Referring to Fig. 1, as first embodiment of the present utility model, described plastic products production equipment comprises extruder a, is provided with the head b of mould, the cooling and shaping device 1 that is positioned at described head b downstream, hauling machine c, cutting machine d and laminating machine e.Hereinafter specifically describe the structure and the course of work of described mould and described cooling and shaping device.Because the employed described extruder a of the utility model, hauling machine c, cutting machine d and laminating machine e are equipment of the prior art, the structure and the course of work of these equipment all repeated no more.
Referring to shown in Figure 2, as the mould of first embodiment of the utility model, the plastic material that roughly is M shape with moulding is an example, and it is thick that described M moulds relative other positions with recessed position of protrusion of expecting section bar.Described mould comprises die ontology 2; In described die ontology 2, be provided with tabular shaping channel 22, the cross sectional shape of described shaping channel 22 and described M mould the cross sectional shape basically identical of material section bar, be roughly M shape, comprise first parallel portion that is positioned at centerline, the both sides of described first parallel portion connect the first hypotenuse part of inclination upwardly and outwardly respectively, the opposite side of described first hypotenuse part connects second parallel portion, the opposite side of described second parallel portion connects downwards and the second outward-dipping hypotenuse part, the opposite side of described second hypotenuse part connects the 3rd parallel portion, described first, second, the 3rd parallel portion is thicker, and described first, second hypotenuse part is thinner; With the junction of described the 3rd parallel portion dividing plate 23 is set with the junction of described second parallel portion, described second parallel portion and the junction of described second hypotenuse part, described second hypotenuse part in described first parallel portion and the junction of described first hypotenuse part, described first hypotenuse part; Have the subchannels that 8 described dividing plates are separated into the front end of described shaping channel 22 9 section thickness homogeneous that completely cut off each other.The described subchannel of different cross section thickness is connected with the feeder channel of different pressures, and is equal substantially with the flowing velocity that guarantees molten condition plastics in each subchannel.
In the described plastic products production equipment of present embodiment, can also comprise a pressure control device, be used to control pressure to the described feeder channel of each subchannel feed.In the prior art, it is technique known that the pressure of described feeder channel is regulated, in the present embodiment, described pressure control device is that the pressure-regulating device of the described feeder channel of above-mentioned each subchannel feed is controlled respectively, this has multiple known systems to the those skilled in the art and can adopt, and does not therefore repeat them here.In addition, for adopting different helix extrusion devices that the equipment of different feed pressure is provided respectively, also can control the pressure of different feeder channels by controlling different pressurizing units.
Referring to Fig. 3,, be that the plastic material of M type is an example with the cooling and shaping cross section as the cooling and shaping device of first embodiment of the utility model.In the present embodiment, described cooling and shaping equipment comprises cooling and shaping device 1 and the cooling fluid supply apparatus that is connected with described cooling and shaping device 1, described cooling fluid is a gas, and described cooling comprises an air pump and corresponding gas transmission line with fluid supply apparatus.
Schematic diagram referring to Fig. 4 and described cooling and shaping device 1 shown in Figure 5, described cooling and shaping device 1 comprises cooling and shaping body 11, in described cooling and shaping body 11, form cooling duct 13, on 13 walls of described cooling duct, form fluid slot 12, on described cooling and shaping body 11, form described fluid slot 12 of connection and cooling fluid supplying passage 14 with gas supply device.The M type cross sectional shape of the cross sectional shape of described cooling duct 13 and described plastic products adapts.Wherein, the thickness on the limit that is parallel to each other in the M type cross section of described plastic products is greater than the thickness on other limit.The bearing of trend of described fluid slot 12 is vertical substantially with the described plastic products direction of motion, referring to Fig. 6, the cross-sectional width w of described fluid slot 12 is 1 millimeter, and the section depth h of described fluid slot 12 is 2 millimeters, by shown in Figure 5, the spacing L between the adjacent described fluid slot 12 is 20 millimeters.
By shown in Figure 4, described cooling and shaping body 11 is made of relatively-movable first body part 111 and second body part 112 again.Described cooling duct 13 is made up of the respective channel that is molded on described first body part 111 and second body part 112.Described fluid slot 12 comprises the fluid slot that is molded on described first body part 111 and second body part 112.Described fluid slot 12 is communicated with fluid supply apparatus with described cooling by described fluid supplying passage 14, and described fluid-transporting tubing 14 is made up of the corresponding recesses that is molded over respectively on described first body part 111 and second body part 112.
The course of work of the described plastic products production equipment of present embodiment is as follows: described extruder is extruded the different subchannels moulding respectively that the plastics under the molten condition are given described mould, the different described pressure feeding mechanism that the while subchannel different with described mould is connected begins the different described subchannel of pair cross-section and applies different pressure, specifically the described subchannel that pair cross-section is thicker applies less pressure, the described subchannel that pair cross-section is thin applies bigger pressure, can make each described subchannel shaping speed identical like this, the each several part of basic forming enters into and continues to move in M moulds the identical shaping channel in material section bar cross section then, the edge of each several part is in contact with one another and is welded together automatically, form integrative-structure, mould the material section bar with regard to having formed continuous M like this.Then, described M moulds the material section bar and is transported in the described cooling duct 13, simultaneously described cooling is carried cooling gas with fluid supply apparatus to described fluid-transporting tubing 14, in described cooling bath 12, feed cooling gas via described fluid-transporting tubing 14, the described cooling end inflow of the part of gas from described cooling bath 12, flow out from the other end through described cooling bath 12, described cooling is overflowed with the remainder of the gas opening from described cooling bath 12, between the wall of described cooling duct 13 and described surface of plastic products, form the whole surface that air cushion is covered with described plastic products, flow out and the described cooling that forms air cushion has been taken away the heat that described plastic products come out with gas from the other end of described cooling bath 12.According to the needs of cooling and shaping, can adopt several described cooling and shaping device 1 series connection to be provided with, finish even cooling and typing to plastic products.Simultaneously, avoided described profile shapes directly to contact with described cooling duct 13, making cooled described profile shapes smooth surface does not have burr.And, each position temperature homogeneous of profile shapes that the cooling and shaping equipment of employing present embodiment obtains, described profile shapes surface does not have depression.Described M behind the last cooling and shaping moulds the material section bar and be sent to the cutting machine cutting behind overlay film on the laminating machine, and it is standby that the described M after the cutting moulds material section bar windrow.
The plastic product forming mould of present embodiment is used for the different plastic products of moulding cross section thickness, described mould is provided with dividing plate 23 in the position that described shaping channel 22 section thicknesses change, by described pressure feeding mechanism different separated regions are applied different pressures, make extrusion molding plastic product forming evenly, can guarantee the intensity of the plastic products of moulding, and the efficient of moulding improves greatly.
The described profile shapes that described cooling and shaping equipment in the foregoing description makes can be used as the guardrail of road, because described profile shapes is plastic products, so be particularly suitable for high humidity, be not suitable for using with the area of metal guardrail.
In other embodiment of the present utility model, can also adopt water cooling mode.Wherein for guaranteeing the flowability of cooling water, the section depth h of described fluid slot 12 is 2.5 millimeters, and the cross-sectional width w of described fluid slot 12 is 1.5 millimeters, and the spacing L between the adjacent described fluid slot 12 is 30 millimeters.
Mould a kind of distortion of material section bar embodiment as above-mentioned production M, described fluid slot 12 also can be set to consistent with the described plastic products direction of motion, fluid supplying passage 14 is arranged perpendicular to the described plastic products direction of motion along the wall middle part of described cooling duct 13 as described, and is communicated with each described fluid slot 12.Can realize the purpose of this utility model like this, equally.
Obviously, the foregoing description only is for example clearly is described, and is not the qualification to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the utility model creation.

Claims (13)

1. plastic products production equipment, comprise extruder, head, cooling and shaping device, hauling machine, cutting machine, be provided with mould in the described head, described mould comprises die ontology (2), the shaping channel (22) that the plastic products cross sectional shape that forms shape and processed in described die ontology (2) adapts, described cooling and shaping equipment comprises cooling and shaping device (1), and the cooling fluid supply apparatus that is connected with described cooling and shaping device (1)
It is characterized in that:
Described shaping channel (22) cross section is made up of the different several parts of thickness, the position that changes at described shaping channel (22) section thickness is provided with dividing plate (23), and described shaping channel (22) is separated into several subchannels of section thickness homogeneous by described dividing plate (23);
Described cooling and shaping device (1) comprises cooling and shaping body (11), form the cooling duct (13) that shape and described plastic products cross sectional shape adapt in the described cooling and shaping body (11), on the wall of described cooling duct (13), form several fluid slots (12) that are communicated with fluid supply apparatus with described cooling.
2. plastic products production equipment according to claim 1 is characterized in that: described dividing plate (23) is located at the front end of described shaping channel (22).
3. plastic products production equipment according to claim 1 is characterized in that: described shaping channel (22) is tabular.
4. plastic products production equipment according to claim 1 is characterized in that: the cross section of described shaping channel (22) have a plurality of be trapezoidal continuously every protruding, concave portion.
5. plastic products production equipment according to claim 4, it is characterized in that: the cross section of described shaping channel (22) comprises first parallel portion that is positioned at centerline, the both sides of described first parallel portion connect the first hypotenuse part of inclination upwardly and outwardly respectively, the opposite side of described first hypotenuse part connects second parallel portion, the opposite side of described second parallel portion connects downwards and the second outward-dipping hypotenuse part, and the opposite side of described second hypotenuse part connects the 3rd parallel portion; Described dividing plate (23) is located at the corner in described shaping channel (22) cross section.
6. plastic products production equipment according to claim 1 is characterized in that: the described subchannel of the described mould that the cross section is different is connected with the feeder channel of different pressures, and is equal substantially with the flowing velocity that guarantees molten condition plastics in each subchannel.
7. plastic products according to claim 6 generate equipment, it is characterized in that: also comprise a pressure control device, be used to control the pressure to the described feeder channel of each subchannel feed.
8. plastic products production equipment according to claim 1 is characterized in that: the bearing of trend of described fluid slot (12) is vertical substantially with the described plastic products direction of motion.
9. plastic products production equipment according to claim 8 is characterized in that: each described fluid slot (12) is communicated with fluid supply apparatus with described cooling by the fluid supplying passage (14) that is molded in the described cooling and shaping body (11).
10. plastic products production equipment according to claim 1 is characterized in that: described cooling and shaping body (11) is made of relatively-movable first body part (111) and second body part (112); Described cooling duct (13) partly is made up of the respective channel that is molded on described first body part (111) and described second body part (112).
11. plastic products production equipment according to claim 10 is characterized in that: described fluid slot (12) is communicated with fluid supply apparatus with described cooling by the fluid supplying passage (14) that is molded in the described cooling and shaping body (11); Described fluid supplying passage (14) is made up of the corresponding recesses that is molded over respectively on described first body part (111) and described second body part (112).
12. any according to Claim 8-11 described plastic products production equipment, it is characterized in that: described cooling fluid is a gas.
13. any according to Claim 8-11 described plastic products production equipment is characterized in that: have the cooling and shaping device (1) that several series connection are provided with.
CN200920004005U 2009-01-23 2009-01-23 Plastic product manufacturing device Expired - Fee Related CN201371530Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200920004005U CN201371530Y (en) 2009-01-23 2009-01-23 Plastic product manufacturing device

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Application Number Priority Date Filing Date Title
CN200920004005U CN201371530Y (en) 2009-01-23 2009-01-23 Plastic product manufacturing device

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CN200920004005U Expired - Fee Related CN201371530Y (en) 2009-01-23 2009-01-23 Plastic product manufacturing device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102294811A (en) * 2011-09-02 2011-12-28 宁波华业材料科技有限公司 Method for forming plastic grass
CN109603313A (en) * 2018-12-14 2019-04-12 核工业理化工程研究院 Handle the preparation method and absorption filter element of radioactive liquid waste absorption filter element

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102294811A (en) * 2011-09-02 2011-12-28 宁波华业材料科技有限公司 Method for forming plastic grass
CN102294811B (en) * 2011-09-02 2013-10-23 宁波华业材料科技有限公司 Method for forming plastic grass
CN109603313A (en) * 2018-12-14 2019-04-12 核工业理化工程研究院 Handle the preparation method and absorption filter element of radioactive liquid waste absorption filter element
CN109603313B (en) * 2018-12-14 2021-05-07 核工业理化工程研究院 Preparation method of adsorption filter element for treating radioactive waste liquid and adsorption filter element

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