阅读说明：本技术 一种实心棒材挤出设备生产线 (Solid bar extrusion equipment production line ) 是由 何越赋 于 2019-10-07 设计创作，主要内容包括：本发明公开了一种实心棒材挤出设备生产线,包括真空上料机,所述真空上料机下端出料口连通干燥机,所述干燥机通过单螺杆喂料机将干燥好的原料输送到挤出机入料口处,所述挤出机将塑化好的原料挤出到冷却定型模具里,从所述冷却定型模具出来的实心棒经六辊牵引装置运送到切断机,经切断机切断处理后的实心棒产品堆放到堆放平台上。与现有技术相比的优点在于：模具流道结构设计方面,采用支管式模具流道结构,使得模具流道推力更大,流道分流更均匀,更易推出,在模具加热方面,也由传统的发热圈电加热方式改成了模温机油加热形式加热,油加热减小了发热圈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 production line of solid bar extrusion equipment, which comprises a vacuum feeding machine, wherein a discharge hole at the lower end of the vacuum feeding machine is communicated with a drying machine, the drying machine conveys dried raw materials to a feed hole of the extruding machine through a single-screw feeding machine, the extruding machine extrudes the plasticized raw materials into a cooling and shaping die, solid bars discharged from the cooling and shaping die are conveyed to a cutting machine through a six-roller traction device, and the solid bar products cut by the cutting machine are stacked on a stacking platform. Compared with the prior art, the method has the advantages that: in the aspect of the structural design of the mold runner, a branch pipe type mold runner structure is adopted, so that the thrust of the mold runner is larger, the runner is shunted more uniformly and is pushed out more easily, in the aspect of mold heating, the traditional heating ring electric heating mode is changed into the heating mode of mold temperature machine oil, the oil heating reduces the unstable influence of the heating ring electric heating mode on the mold discharging, the mold discharging is more uniform and more stable, and the production efficiency is improved.)

1. The utility model provides a solid rod extrusion equipment production line, includes vacuum material loading machine (1), its characterized in that: vacuum material loading machine (1) lower extreme discharge gate intercommunication desiccator (2), desiccator (2) carry extruder (4) pan feeding mouth department through single screw rod feeding machine (3) with the raw materials that dry, extruder (4) extrude the raw materials that the plastify in cooling design mould (5), follow solid stick that cooling design mould (5) came out transports cutter (7) through six roller draw gear (6), stacks on stacking platform (8) through the solid stick product after cutter (7) is cut off and is handled, vacuum material loading machine (1), desiccator (2), single screw rod feeding machine (3), extruder (4), cooling design mould (5), six roller draw gear (6) and the equal electric connection electric control part (9) of cutter (7), electric control part (9) electric connection power.

2. The solid bar extrusion apparatus production line of claim 1, wherein: vacuum tube (10) are connected to vacuum material loading machine (1) pan feeding mouth department, desiccator (2) are including setting up in inside hopper, vacuum material loading machine (1) is inhaled the plastic raw materials in the hopper of desiccator (2) through vacuum tube (10).

3. The solid bar extrusion apparatus production line of claim 1, wherein: the diameter of a feeding port of the extruder (4) is 50mm, the extruder (4) comprises a machine barrel screw rod arranged inside, and the extruder (4) heats, compresses and plasticizes the dried raw materials through the machine barrel screw rod.

4. The solid bar extrusion apparatus production line of claim 1, wherein: the cooling and shaping mold (5) comprises a shaping mold arranged inside, and the cooling and shaping mold (5) shapes the size of the solid rod through the shaping mold.

5. The solid bar extrusion apparatus production line of claim 1, wherein: the six-roller traction device (6) stably pulls the solid rod to move at a constant speed.

Technical Field

The invention relates to the technical field of AFJ50-PPS/PEEK solid bars by a cold-top method, in particular to a production line of solid bar extrusion equipment.

Background

At present, the data of market share in China show that the imported solid bars occupy most of the proportion of the market, while the market proportion of the PPS/PEEK solid bars produced by the assembly cold-top PPS/PEEK solid bar production line in China is few and few, and several companies in China produce PPS/PEEK solid bars, but the equipment is bought abroad; the main reason is that the PPS/PEEK raw material has special characteristics, and the technical level of producing the PPS/PEEK solid bar is behind the level determined in China. 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 polymer solid bars 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, so that the domestic demand can be met only by import at present.

Disclosure of Invention

The invention aims to solve the technical problems that the technical difficulties are overcome, and the production line of the solid bar extrusion equipment is provided, wherein the production line of the solid bar extrusion equipment has the advantages of material absorption by a screw, smoother feeding, more accurate and stable extrusion amount, higher thrust of a mold runner, more uniform flow distribution of the runner, easier push-out, more uniform discharge of the mold, more stability and higher production efficiency.

In order to solve the technical problems, the technical scheme provided by the invention is as follows: the utility model provides a solid rod extrusion equipment production line, includes the vacuum material loading machine, vacuum material loading machine lower extreme discharge gate intercommunication desiccator, the desiccator carries extruder pan feeding mouth department with the raw materials that dry through single screw rod feeding machine, the extruder extrudes the raw materials that the plastify in the cooling design mould, follows the solid stick that the cooling design mould came out transports the cutter through six roller draw gear, stacks on stacking the platform through the solid stick product after the cutter cut-off is handled, vacuum material loading machine, desiccator, single screw rod feeding machine, extruder, cooling design mould, six roller draw gear and the equal electric connection electric control part of cutter, the partial electric connection power of electric control.

As an improvement, the vacuum pipe is connected to a feed port of the vacuum feeding machine, the drying machine comprises a hopper arranged inside, the vacuum feeding machine sucks the plastic raw material into the hopper of the drying machine through the vacuum pipe to achieve the effect of heating and drying the plastic raw material, the raw material is dried and dehumidified before being used for producing products, and if the raw material is not dried, the raw material is used for producing the products, and the phenomenon that air bubbles exist inside the produced products is avoided.

As an improvement, the diameter of a feeding port of the extruder is 50mm, the extruder comprises a barrel screw arranged inside, and the extruder heats, compresses and plasticizes the dried raw materials through the barrel screw.

As an improvement, the cooling and shaping mold comprises a shaping mold arranged inside, and the cooling and shaping mold shapes the size of the solid rod through the shaping mold.

As an improvement, the six-roller traction device stably pulls the solid rod to move at a constant speed, and can reduce the resistance inside the die.

Compared with the prior art, the invention has the advantages that: the feeding mode 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 is used for feeding, the feeding is smoother, and the extrusion amount is more accurate and stable; the problems of easy bridging and instability of the traditional hopper in direct blanking are solved. In the aspect of the structural design of the mold runner, a branch pipe type mold runner structure is adopted, so that the thrust of the mold runner is larger, the runner is divided more uniformly, the runner is more easily pushed out, in the aspect of mold heating, the traditional heating mode of the heating ring is changed into the heating mode of the mold temperature machine oil, the oil heating reduces the unstable influence of the fluctuation of the heating ring electric heating mode on the mold discharging, the mold discharging is more uniform and stable, and the production efficiency is improved.

Drawings

FIG. 1 is a schematic view of the structure of a solid bar extrusion apparatus production line of the present invention.

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

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 production line of solid bar extrusion equipment comprises a vacuum feeding machine 1, wherein a lower end discharge port of the vacuum feeding machine 1 is communicated with a drying machine 2, a material inlet of the vacuum feeding machine 1 is connected with a vacuum tube 10, the drying machine 2 comprises a hopper arranged inside, the vacuum feeding machine 1 sucks plastic raw materials into the hopper of the drying machine 2 through the vacuum tube 10, the drying machine 2 conveys the dried raw materials to a material inlet of an extruding machine 4 through a single-screw feeding machine 3 and can realize quantitative conveying, the diameter of the material inlet of the extruding machine 4 is 50mm, the extruding machine 4 comprises a barrel screw arranged inside, the extruding machine 4 heats, compresses and plasticizes the dried raw materials through the barrel screw, the extruding machine 4 extrudes the plasticized raw materials into a cooling shaping mold 5, and the cooling shaping mold 5 comprises a shaping mold arranged inside, the cooling and shaping die 5 shapes the size of the solid rod through the shaping die, the solid rod coming out of the cooling and shaping die 5 is conveyed to a cutting machine 7 through a six-roller traction device 6, the six-roller traction device 6 stably pulls the solid rod to move at a constant speed, the solid rod is cut into a set required length, the solid rod product cut by the cutting machine 7 is stacked on a stacking platform 8, the vacuum feeding machine 1, the drying machine 2, the single-screw feeding machine 3, the extruding machine 4, the cooling and shaping die 5, the six-roller traction device 6 and the cutting machine 7 are all electrically connected with an electric control part 9 to play a role in controlling the mechanical movement and the temperature of the whole day equipment, the electric control part 9 is electrically connected with a power supply, and the electric control can adopt a PLC (programmable logic controller).

When the vacuum feeding machine is implemented specifically, a power supply is started, and the vacuum feeding machine 1 sucks the raw materials into the drying machine 2 in a vacuum sucking mode through the vacuum tube 10; the drier 2 dries the raw material to a set dryness through a hot air circulating system which is internally used for heating, then the raw material is quantitatively fed to a feeding port of the extruder 4 through a single screw feeder 3 under the drier 2, and then the raw material is heated, compressed, melted and plasticized through a barrel screw by the extruder 4, the melted and plasticized raw material can be pushed into a mold cavity of the cooling and shaping mold 5 under the action of rotary compression of the screw in the raw material melting and plasticizing process, the plasticized raw material is slowly cooled and shaped into a plastic solid bar in the mold cavity, and the solid bar forms a certain internal pressure in the mold because the screw of the extruder 4 continuously feeds the material into the mold cavity while being cooled and shaped, and the cooled and shaped solid bar in the mold is pushed out towards the mold port under the action of the pressure. The solid bar is pushed out through the die opening and then directly enters the six-roller traction device 6, and under the traction action of the six-roller traction device 6, the solid bar is dragged forwards stably at a constant speed and is conveyed to the cut-off machine 7. After the solid bar product enters the cutting machine 7, the solid bar product can be pushed forward all the time under the traction action of the six rollers, after the set length set by the cutting machine 7 is reached, the cutting machine can cut the solid bar product in a reciprocating type automatic manner, and the solid bar product can move on the stacking rack 8 after being cut, so that the whole production process of the solid bar 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 feeding mode of mounting a feeder to feed, 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 mold runner structure of the cold-ejection method is of a straight pipe type, while the traditional mold runner structure of the straight pipe type is used on PPS (polyphenylene sulfide)/PEEK (polyether ether ketone), and raw materials are cooled and shaped in an inner cavity of the mold runner after being melted and then are pushed relatively, so that demolding connection production cannot be performed. The optimized mould runner structure is of a branch pipe type, the thrust of the mould runner designed after optimization is larger, the discharging distribution of the mould runner is more uniform, and the mould runner is easy to demould and push out after shaping. In the aspect of mould heating, also changed into the form heating of mould temperature machine oil heating by traditional circle electric heating mode that generates heat, the form heating of mould temperature machine oil heating has reduced the undulant unstable influence to the mould ejection of compact of circle electric heating mode that generates heat, 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.