CN215661753U - Vertical machine head and extruder using same - Google Patents

Abstract

The utility model discloses a vertical machine head and an extruder using the same. The utility model can ensure the normal brace of high-melt index material and solve the problem of material strip adhesion.

Description

Vertical machine head and extruder using same

Technical Field

The utility model relates to a vertical machine head and an extruder using the same.

Background

High melt index PP raw material is needed in the process of producing melt-blown fabric, because the lower the molecular weight of PP, the higher the Melt Flow Index (MFI) and the lower the melt adhesion degree, the better the drawing effect which is weaker with the melt-blowing process can be achieved. High MFI, high yield and low energy consumption, so the current trend is to adopt higher MFI raw materials. However, the traditional machine head with the discharging angle of 45 degrees cannot be suitable for the material with too good fluidity, the material strips can become thin due to the action of gravity in the falling process, and the material strips can be adhered due to the disturbance of water flow in the water tank, which are factors influencing the quality of the final product. For PP with a high melt index, the flowability is very good, so that a specially structured head needs to be designed.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a vertical machine head which can ensure normal bracing of high-melt-index materials and solve the problem of adhesion of the material strips.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a perpendicular aircraft nose, it includes the aircraft nose body, the aircraft nose body is provided with discharging channel, discharging channel's discharge gate sets up vertically down.

Further provided is a concrete structure of a head body, the head body including:

the transition plate is provided with a first channel which is used as the front section of the discharging channel;

the machine head body is connected with the transition plate, and a second channel which is communicated with the first channel and is used as the rear section of the discharging channel is arranged on the machine head body;

the die plate is connected with the machine head body, and a plurality of discharge holes which are communicated with the second channel and used as discharge holes of the discharge channel are formed in the die plate.

Further, in order to heat the material, a plurality of heating devices for heating the material in the second channel are mounted on the machine head body.

Further in order to improve the heating efficiency of the heating device, the heating device is a heating rod, the machine head body is provided with mounting holes in one-to-one correspondence with the heating rod, and the heating rod is mounted in the corresponding mounting hole.

Further in order to ensure the discharging force of the discharging hole, the second channel comprises a transition section and a vertical section which are communicated with each other, the transition section is directly communicated with the first channel, and the discharging hole is communicated with an outlet of the vertical section.

Further in order to enable the discharge holes to discharge materials in a balanced manner, the discharge holes are arranged in a straight line and are respectively opposite to the outlets of the vertical section, and the distance between every two adjacent discharge holes is equal.

Further, in order to enable the materials in the vertical section to be uniformly dispersed in the descending process, the discharge holes are arranged along the Y axis, and the size of the vertical section on the Y axis is gradually increased from top to bottom.

Further in order to reduce the resistance of the material in the process of passing through the discharging channel, smooth transition is carried out between the transition section and the first channel and between the transition section and the vertical section.

Further in order to enable the discharge hole to discharge materials quickly, the upper section of the discharge hole is in a conical shape with a large upper end and a small lower end, the lower section of the discharge hole is in a cylindrical shape, and the upper end of the lower section of the discharge hole is completely overlapped with the lower end of the upper section of the discharge hole.

The utility model also provides an extruder comprising a vertical head.

After the technical scheme is adopted, the discharge port of the discharge channel is vertically arranged downwards, so that the discharge port of the discharge channel is as close as possible to the water surface, the material is vertically pulled, the pulled material strips can be ensured to enter water as soon as possible, the material strips are prevented from being thinned due to the action of gravity in the falling process as far as possible, and the adhesion of the material strips is effectively avoided.

Drawings

FIG. 1 is a schematic view of a vertical handpiece of the present invention;

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is a front view of FIG. 1;

fig. 5 is a sectional view B-B of fig. 4.

Detailed Description

In order that the present invention may be more readily and clearly understood, a more particular description of the utility model briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

Example one

As shown in fig. 1, 2, 3, 4 and 5, the vertical machine head comprises a machine head body, wherein the machine head body is provided with a discharge channel, and a discharge hole of the discharge channel is vertically arranged downwards.

Specifically, the discharge port of the discharge channel is arranged vertically downwards, so that the discharge port of the discharge channel is as close as possible to the water surface, the material is pulled vertically, the pulled material strips can be ensured to enter water as soon as possible, the material strips are prevented from becoming thin due to the action of gravity in the falling process as far as possible, and the adhesion of the material strips is effectively avoided.

As shown in fig. 1, 2, 3, 4, and 5, the handpiece body includes:

the transition plate 1 is provided with a first channel 2 serving as the front section of a discharging channel;

the machine head body 3 is connected with the transition plate 1, and a second channel which is communicated with the first channel 2 and is used as the rear section of the discharging channel is arranged on the machine head body 3;

the die plate 4 is connected with the machine head body 3, and a plurality of discharge holes 5 which are communicated with the second channel and are used as discharge ports of the discharge channel are arranged on the die plate 4.

In this embodiment, the distance between the adjacent discharging holes 5 is large enough to further prevent the strips from being stuck.

In this embodiment, the head body 3 and the transition plate 1 and the die plate 4 and the head body 3 are respectively connected by screws.

In this embodiment, in order to heat the material, a plurality of heating devices for heating the material in the second channel are mounted on the machine head body 3.

In this embodiment, in order to improve the heating efficiency of the heating device, the heating device is a heating rod, as shown in fig. 1, 3 and 4, the machine head body 3 is provided with mounting holes 6 corresponding to the heating rod one to one, and the heating rod is mounted in the corresponding mounting hole 6.

As shown in fig. 3, in order to ensure the discharging force of the discharging hole 5, the second channel includes a transition section 7 and a vertical section 8 which are communicated with each other, the transition section 7 is directly communicated with the first channel 2, and the discharging hole 5 is communicated with an outlet of the vertical section 8.

As shown in fig. 5, in order to discharge the material uniformly from the discharge holes 5, the discharge holes 5 are arranged in a straight line and respectively face the outlets of the vertical section 8, and the distances between adjacent discharge holes 5 are equal.

As shown in fig. 5, in order to uniformly disperse the material in the vertical section 8 during the descending process, a plurality of discharge holes 5 are arranged along the Y-axis, and the size of the vertical section 8 on the Y-axis is gradually increased from top to bottom.

As shown in fig. 3, in order to reduce the resistance of the material during the passage through the discharging channel, the transition section 7 and the first channel 2 and the transition section 7 and the vertical section 8 are smoothly transited.

As shown in fig. 3 and 5, in order to enable the discharging hole 5 to discharge material quickly, the upper section of the discharging hole 5 is in a tapered shape with a large top and a small bottom, the lower section is in a cylindrical shape, and the upper end of the lower section completely overlaps with the lower end of the upper section.

Example two

An extruder comprising a vertical head as in embodiment one.

The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the present invention, unless otherwise expressly stated or limited, the first feature may be present on or under the second feature in direct contact with the first and second feature, or may be present in the first and second feature not in direct contact but in contact with another feature between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.

Claims (2)

1. A vertical machine head is characterized in that,

the automatic feeding machine comprises a machine head body, wherein a discharge channel is arranged on the machine head body, and a discharge hole of the discharge channel is arranged vertically downwards;

the aircraft nose body includes:

the transition plate (1) is provided with a first channel (2) which is used as the front section of the discharging channel;

the machine head body (3) is connected with the transition plate (1), and a second channel which is communicated with the first channel (2) and is used as the rear section of the discharging channel is arranged on the machine head body (3);

the die plate (4) is connected with the machine head body (3), and a plurality of discharge holes (5) which are communicated with the second channel and are used as discharge holes of a discharge channel are formed in the die plate (4);

the machine head body (3) is provided with a plurality of heating devices for heating materials in the second channel, the heating devices are heating rods, the machine head body (3) is provided with mounting holes (6) which correspond to the heating rods one by one, and the heating rods are mounted in the corresponding mounting holes (6);

the second channel comprises a transition section (7) and a vertical section (8) which are communicated with each other, the transition section (7) is directly communicated with the first channel (2), the discharge holes (5) are communicated with the outlet of the vertical section (8), the discharge holes (5) are arranged in a straight line and respectively face the outlet of the vertical section (8), and the distances between the adjacent discharge holes (5) are equal so that the discharge holes (5) can discharge materials in a balanced manner;

the discharge holes (5) are arranged along the Y axis, and the size of the vertical section (8) on the Y axis is gradually increased from top to bottom so that the materials in the vertical section (8) are uniformly dispersed in the descending process;

the transition section (7) and the first channel (2) and the transition section (7) and the vertical section (8) are in smooth transition so as to reduce the resistance of the materials in the process of passing through the discharging channel;

the upper section part of the discharge hole (5) is in a conical shape with a large upper part and a small lower part, the lower section part is in a cylindrical shape, and the upper end of the lower section part is completely overlapped with the lower end of the upper section part.

2. An extruder, which is characterized in that,

comprising a vertical handpiece according to claim 1.

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