Thick plate extrusion equipment production line

文档序号:1593629 发布日期:2020-01-07 浏览:25次 中文

阅读说明:本技术 一种厚板板材挤出设备生产线 (Thick plate extrusion equipment production line ) 是由 何越赋 于 2019-10-07 设计创作,主要内容包括:本发明公开了一种厚板板材挤出设备生产线,包括真空上料机,所述真空上料机进料口连接真空管,下端出料口连通干燥机的料斗,所述真空管连通塑胶原料处,所述干燥机出料口通过单螺杆喂料机连通<Image he="47" wi="107" file="DDA0002224439260000011.GIF" imgContent="drawing" imgFormat="GIF" orientation="portrait" inline="no"></Image>挤出机入料口处,所述<Image he="45" wi="106" file="DDA0002224439260000012.GIF" imgContent="drawing" imgFormat="GIF" orientation="portrait" inline="no"></Image>挤出机出料口挤出的厚板产品依次通过冷却定型模具、回火定型装置、十辊牵引装置、切断机和堆放平台。与现有技术相比的优点在于:本发明采用双螺纹,单螺杆喂料器机构,使螺杆喂料,吃料更加顺畅,挤出量更加精准,稳定,采用V形直推式,使模具流道推力更大,更易推出,采用模温机油加热的形式,油加热减小了发热棒电加热方式波动对模具出料不稳定的影响,使模具出料更均匀,更稳定,提高生产效率。(The invention discloses a thick plate extrusion equipment production line which comprises a vacuum feeding machine, wherein a feeding hole of the vacuum feeding machine is connected with a vacuum tube, a discharging hole at the lower end of the vacuum feeding machine is communicated with a hopper of a dryer, the vacuum tube is communicated with a plastic raw material, and the discharging hole of the dryer is communicated with a single-screw feeding machine At the feed inlet of the extruder, the The thick plate product extruded from the discharge port of the extruder sequentially passes through a cooling shaping die, a tempering shaping device, a ten-roller traction device, a cutting machine and a stacking platform. Compared with the prior art, the method has the advantages that: the invention adopts a double-thread single-screw feeder mechanism, so that screw feeding is more smooth, the extrusion amount is more accurate and stable, the V-shaped direct pushing type is adopted, the thrust of a mold runner is larger, the pushing is easier, and the oil heating mode is adopted, so that the influence of the electric heating mode fluctuation of the heating rod on the unstable discharging of the mold is reduced, the discharging of the mold is more uniform and more stable, and the production efficiency is improved.)

1. The utility model provides a thick plate board extrusion equipment production line which characterized in that: the automatic feeding device comprises a vacuum feeding machine (1), wherein a discharge port at the lower end of the vacuum feeding machine (1) is communicated with a feed hopper of a drying machine (3), the discharge port of the drying machine (3) is connected with a feed port of an extruding machine (5) through a single-screw feeding machine (4), plastic raw materials extruded from the discharge port of the extruding machine (5) sequentially pass through a cooling shaping mold (6), a tempering shaping device (7), a ten-roller traction device (8), a cutting machine (9) and a stacking platform (10), the vacuum feeding machine (1), the drying machine (3), the single-screw feeding machine (4), the extruding machine (5), the cooling shaping mold (6), the tempering shaping device (7), the ten-roller traction device (8), the cutting machine (9) and the stacking platform (10) are electrically connected with an electric control cabinet (11), and the electric control cabinet (11) is electrically connected with a.

2. The plank extrusion apparatus production line of claim 1, wherein: the vacuum feeding machine (1) is characterized in that a feeding hole is connected with a vacuum tube (2), and the vacuum tube (2) sucks the plastic raw material into the dryer (3) in a vacuum sucking mode.

3. The plank extrusion apparatus production line of claim 1, wherein: the dryer (3) comprises a hot air circulating system arranged inside.

4. The plank extrusion apparatus production line of claim 1, wherein: and the single-screw feeder (4) feeds the dried raw materials to a feed port of the extruder (5).

5. The plank extrusion apparatus production line of claim 1, wherein: the diameter of a discharge hole of the extruder (5) is 65mm, and the extruder (5) comprises a barrel screw arranged inside and heats, compresses, melts and plastifies the dried raw materials through the barrel screw.

6. The plank extrusion apparatus production line of claim 1, wherein: the cooling and shaping mold (6) comprises a mold cavity arranged inside.

Technical Field

The invention relates to the technical field of thick plate production equipment, in particular to a production line of thick plate extrusion equipment.

Background

At present, the data of market share in China show that the imported thick plate material occupies most of the proportion of the market, while the market proportion of the PPS/PEEK thick plate material produced by assembling the production equipment of the PPS/PEEK thick plate material by the cold top method in China is few and few, and several companies in China produce the PPS/PEEK thick plate material, but the equipment is bought abroad; the main reason is that the PPS/PEEK has special characteristics of raw materials, and the technical level of producing the PPS/PEEK thick plate in China lags behind that which is determined abroad. PPS/PEEK belongs to a high polymer material, and the shrinkage rate of the high polymer material after forming is only three thousandth, so that great problems are encountered in product cooling, forming and extrusion, and the production capacity is low, the qualification rate is low, and the market share ratio is low. However, with the economic development of China, the market demand for the high polymer thick plate is increasing (the demand is mainly used in high-tech fields such as aviation, medical treatment, engineering and the like), and the domestic capacity can not meet the market demand far away, so that the domestic demand can be met only by import at present.

Disclosure of Invention

The invention aims to solve the technical problems, and provides a production line of thick plate extrusion equipment, which is used for feeding by a screw, has the advantages of smoother feeding, more accurate and stable extrusion amount, higher thrust of a mould runner, easier push-out, more uniform and more stable mould discharging and can improve the production efficiency.

In order to solve the technical problems, the technical scheme provided by the invention is as follows: the utility model provides a thick plate material extrusion equipment production line, includes the vacuum material loading machine, the hopper of vacuum material loading machine lower extreme discharge gate intercommunication desiccator, the desiccator discharge gate passes through single screw rod feeding machine and connects extruder pan feeding mouth department, the thick plate product that the extruder discharge gate was extruded loops through cooling design mould, tempering setting device, ten roller draw gear, cutter and stacks the platform, vacuum material loading machine, desiccator, single screw rod feeding machine, extruder, cooling design mould, tempering setting device, ten roller draw gear, cutter and the equal electric connection electric control cabinet of stacking the platform, electric control cabinet electric connection power.

As an improvement, a feed inlet of the vacuum feeding machine is connected with a vacuum tube, and the vacuum tube sucks the raw materials into the drying machine in a vacuum sucking mode.

As an improvement, the drying machine comprises a hot air circulating system arranged inside the drying machine to heat and dry the plastic raw material, because the raw material must be dried and dehumidified before being used for producing the product, if the raw material is not dried and is used for producing the product, the phenomenon that air bubbles exist inside the produced product can be avoided.

As an improvement, the single-screw feeder feeds dried raw materials to a feed port of the extruder, so that quantitative conveying can be realized.

As an improvement, the diameter of a feeding port of the extruder is 65mm, the extruder comprises a barrel screw rod arranged inside the extruder, and the dried raw material is heated, compressed, melted and plasticized through the barrel screw rod, so that the plasticized raw material is stably extruded into a forming die.

As an improvement, the cooling and shaping mold comprises a mold cavity arranged inside, and the molten raw material is cooled and shaped into a required shape and size.

Compared with the prior art, the invention has the advantages that: the invention adopts double threads and a single-screw feeder mechanism, and the electric control is provided with a variable-frequency speed-regulating controller for control, so that screw feeding is more smooth, and the extrusion amount is more accurate and stable; the problem of traditional direct unloading of hopper "the bridge" easily, unstable phenomenon, in the aspect of mould runner structural design, adopt the straight pushing-type of V-arrangement, make mould runner thrust bigger, change the release, in the aspect of mould heating mode, adopt the form of mould temperature machine oil heating, oil heating has reduced the undulant unstable influence to the mould ejection of compact of the stick electrical heating mode that generates heat, makes the mould ejection of compact more even, and is more stable, improves production efficiency.

Drawings

FIG. 1 is a schematic view showing the structure of a thick plate extrusion apparatus line according to the present invention.

As shown in the figure: 1. the device comprises a vacuum feeding machine, 2, a vacuum tube, 3, a dryer, 4, a single-screw feeding machine, 5, an extruder, 6, a cooling and shaping mold, 7, a tempering and shaping device, 8, a ten-roller traction device, 9, a cutting machine, 10, a stacking platform, 11 and an electrical control cabinet.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof is intended to cover non-exclusive inclusions.

The present invention will be described in further detail with reference to the accompanying drawings.

A thick plate material extrusion equipment production line comprises a vacuum feeding machine 1, wherein a feeding hole of the vacuum feeding machine 1 is connected with a vacuum pipe 2, the vacuum pipe 2 sucks raw materials into a drying machine 3 in a vacuum sucking mode, a discharging hole at the lower end of the vacuum feeding machine 1 is communicated with a hopper of the drying machine 3, the drying machine 3 comprises a hot air circulating system arranged inside, a discharging hole of the drying machine 3 is communicated with a feeding hole of an extruding machine 5 through a single-screw feeding machine 4, the single-screw feeding machine 4 feeds the dried raw materials to the feeding hole of the extruding machine 5, a double-thread single-screw feeding machine structure is adopted, a variable frequency speed controller is matched for control, so that the screw feeding is more smooth, the material eating is more accurate and stable, the diameter of the feeding hole of the extruding machine 5 is 65mm, the extruding machine 5 comprises a barrel screw arranged inside and heats, compresses, melts and plasticizes the dried raw materials through the barrel screw, the thick plate product extruded from the discharge port of the extruder 5 sequentially passes through a cooling and shaping die 6, a tempering and shaping device 7, a ten-roller traction device 8, a cut-off machine 9 and a stacking platform 10, the cooling and shaping die 6 adopts a V-shaped direct push type structure, so that the thrust of a die runner is larger and the pushing is easier, the tempering and shaping device 7 adopts a mode of heating by die temperature machine oil, so that the die can discharge more uniformly and more stably, the tempering and shaping device 7 plays a role in heating, tempering and shaping the thick plate product extruded from the extrusion cooling and shaping die by the tempering and shaping device, tempering and shaping the thick plate product to obtain the thick plate product which is not bent, flat and straight and has stable size, the ten-roller traction device plays a role in stably pulling the thick plate product which is tempered and shaped by the tempering and shaping device forwards, the thick plate product to move forwards by the ten-roller traction rollers, the cooling and shaping mold 6 comprises a mold cavity arranged inside, the vacuum feeding machine 1, the drying machine 3, the single-screw feeding machine 4, the extruding machine 5, the cooling and shaping mold 6, the tempering and shaping device 7, the ten-roller traction device 8, the cutting machine 9 and the stacking platform 10 are all electrically connected with an electrical control cabinet 11, the electrical control cabinet 11 is electrically connected with a power supply, and the electrical control cabinet 11 can adopt a PLC (programmable logic controller).

When the vacuum drying device is implemented specifically, a power supply is started, the whole operation of the device is controlled through the electric control cabinet 11, and the raw materials are sucked into the drying machine 3 through the vacuum feeding machine 1 and the vacuum tube 2 in a vacuum suction mode; the drier 3 dries the raw material to a set dryness by a heating hot air circulating system in the drier 3, and then the raw material is quantitatively fed to a single screw feeder 4 under the drier

Figure BDA0002224439240000031

An extruder 5 with a feed inlet

Figure BDA0002224439240000032

The extruder 5 heats, compresses, melts and plasticizes the raw material through a machine barrel screw, the melted and plasticized raw material is pushed into a mold cavity of the cooling and shaping mold 6 under the action of the rotation and compression of the screw in the melting and plasticizing process of the raw material, and the plasticized raw material is slowly cooled and shaped into a plastic thick plate in the mold cavity. When the thick plate is cooled and shaped, the thick plate has

Figure BDA0002224439240000033

The extruder 5 continuously feeds materials into the die cavity, so that certain internal pressure is formed in the die, and the cooled and shaped thick plates in the die are pushed towards the die outlet under the action of the pressure and move into the tempering and shaping device 7. Because the thick plate has time difference inside and outside when being cooled in the cooling and shaping process in the die cavity, certain internal stress can be formed in the thick plate; the thick plate has internal stress, and the plate surface can be bent and deformed after the thick plate is pushed out of the cooling and shaping section of the die, so that the thick plate enters the tempering and shaping device 7 to be heated, tempered and shaped again after being cooled and shaped, and the qualified thick plate product which is straight and stable in size can be obtained only by eliminating the stress in the thick plate. The thick plate product enters a ten-roller traction device 8 after passing through the tempering and shaping device, and under the traction action of the ten-roller traction, the thick plate is stably pulled forwards at a constant speed and is conveyed to a cut-off machine 9. After the thick plate product enters the cutting machine, the thick plate product can be pushed forward all the time under the traction action of the ten-roller traction, after the set length set by the cutting machine 9 is reached, the cutting machine 9 can cut off the thick plate product in a reciprocating type and automatically, and the thick plate can be moved on the stacking platform 10 after being cut off, so that the whole technological production process of the thick plate product is completed.

The difference of the invention structure innovation technology of the equipment is that the new technology process fully analyzes the characteristics of PPS (polyphenylene sulfide)/PEEK (polyether ether ketone) raw materials: high temperature, the unloading is easy to be bridged, and the screw rod pay-off plastify process is easy to be returned, and the production process is unstable, and the connectivity is poor. Aiming at the characteristics of the raw materials, the feeding mode design at the feeding port of the machine barrel screw adopts a mode of feeding by additionally arranging a feeder, and the feeding screw adopts a double-thread single-screw feeder structure; the electric control system is provided with a variable-frequency speed-regulating controller for control, so that the screw feeding is more smooth, the raw material plasticizing process is more stable and accurate in extrusion amount; the problems of easy bridging and instability of the traditional hopper in direct blanking are solved. In the aspect of mold runner structure design, the traditional cold-top mold runner structure is a clothes hanger direct-pushing type mold runner structure, and the traditional clothes hanger direct-pushing type mold runner structure is used on PPS (polyphenylene sulfide)/PEEK (polyether ether ketone), and after raw materials are melted and cooled and shaped in an inner cavity of a mold runner, the mold runner structure is pushed still at all, so that demolding connection production cannot be carried out. The optimized mold runner structure is V-shaped direct pushing type, the mold runner designed after optimization has larger thrust, and the mold runner is easy to demould and push out after shaping. In the aspect of the mould heating, the mould temperature machine oil heating has also been changed into by traditional excellent electric heating mode that generates heat, and the unstable influence of the stick electric heating mode that generates heat to the mould ejection of compact has been reduced in the heating of mould temperature machine oil heating mode, and it is more accurate to control the temperature, makes the mould ejection of compact more even, and is more stable, improves the qualification rate and the production efficiency of production product.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

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