CN213675561U - Device for modifying plastics - Google Patents

Abstract

The utility model discloses a device for plastics are modified, which comprises a housin, still include the work box, the sealed cylinder, the pneumatic cylinder, pneumatic cylinder fixed mounting is on the inside wall of casing, the hydraulic stem of pneumatic cylinder is connected with the piston piece, piston piece sliding fit is in the sealed cylinder, and fall into cavity and lower cavity to the sealed cylinder, the work box sets up the inside at the casing, the work box has the working chamber, and the one end of work box installs pipe an, pipe b is installed to the other end of work box, pipe an's the other end and the lower cavity intercommunication of sealed cylinder, pipe b's the other end and the last cavity intercommunication of sealed cylinder. The utility model has the advantages that: the solution can be pushed to move back and forth in the working box and is continuously frozen on the inner surface of the cavity until the solution in the whole cavity is completely cooled and solidified, and the plastic polymer product with greatly improved performance in the flowing direction is obtained, so that the mechanical property of the plastic product is improved.

Description

Device for modifying plastics

Technical Field

The utility model relates to a plastics processing field, especially a device for plastics are modified.

Background

The plastic product has the characteristics of good physical and mechanical processing performance, strong corrosion resistance, good electrical insulation, designability and the like, and is widely applied to various industries. Plastic articles are typically formed by injection molding, extrusion or pressing. Wherein, the injection molding is to utilize the thermophysical property of plastics to add materials into a charging barrel from a hopper, the outside of the charging barrel is heated by a heating ring to melt the materials, a screw rod driven to rotate by an external power motor is arranged in the charging barrel, the material is conveyed forwards along a screw groove and compacted under the action of the screw rod, the material is gradually plasticized, melted and homogenized under the double actions of external heating and screw rod shearing, when the screw rotates, the melted material is pushed to the head of the screw under the action of the friction force and the shearing force of the screw groove, meanwhile, the screw rod retreats under the reaction of the materials, so that the head of the screw rod forms a material storage space to finish the plasticizing process, and then, the screw rod injects the molten material in the material storage chamber into a cavity of the mold through a nozzle at high speed and high pressure under the action of the thrust of a piston of the injection oil cylinder, and the molten material in the cavity is subjected to pressure maintaining and cooling and then is solidified and shaped. And after the mold is opened, ejecting the shaped product out of the mold. Plastics are affected by various factors such as melting speed, melt viscosity, and sensitivity to shear rate during extrusion molding, which can reduce the polymerization properties of plastics and affect the mechanical properties of plastic products.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the shortcoming of prior art, provide a device for plastics are modified.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a device for plastics are modified, which comprises a housin, still include the work box, the sealed jar, the pneumatic cylinder, pneumatic cylinder fixed mounting is on the inside wall of casing, the hydraulic stem of pneumatic cylinder is connected with the piston piece, piston piece sliding fit is in the sealed jar, and divide into cavity and lower cavity to the sealed jar, the work box sets up the inside at the casing, the work box has the working chamber, and pipe an is installed to the one end of work box, pipe b is installed to the other end of work box, pipe an's the other end and the lower cavity intercommunication of sealed jar, pipe b's the other end and the last cavity intercommunication of sealed jar.

Preferably, the conduit a and the conduit b are communicated with the inner cavity in a mode of penetrating through the outer wall of the sealing cylinder.

Optimally, a raw material box is arranged above the shell, a feeding port of the raw material box penetrates through the shell of the working box, and a valve is arranged on the feeding port.

Preferably, the raw material box is provided with an observation window, and the observation window is positioned on the outer side of the shell.

Preferably, the working box comprises a box body and sealing cover plates arranged at two ends of the box body.

Optimally, the sealing cover plate is detachably connected with the box body through screws, and a sealing ring is arranged between the sealing cover plate and the box body.

The utility model has the advantages of it is following: the solution can be pushed to move back and forth in the working box and is continuously frozen on the inner surface of the cavity until the solution in the whole cavity is completely cooled and solidified, and the plastic polymer product with greatly improved performance in the flowing direction is obtained, so that the mechanical property of the plastic product is improved.

Drawings

FIG. 1 is a schematic structural view of a plastic modification apparatus

In the figure, 1-shell, 2-raw material box, 3-observation window, 4-valve, 5-hydraulic cylinder, 6-piston sheet, 7-sealing cylinder, 8-working box, 9-sealing cover plate, 10-conduit a, 11-conduit b.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships which are usually placed when the products of the present invention are used, or the directions or positional relationships which are usually understood by those skilled in the art, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have specific directions, be constructed and operated in specific directions, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In this embodiment, as shown in fig. 1, a device for plastic modification includes a housing 1, and further includes a work box 8, a sealing cylinder 7, and a hydraulic cylinder 5, wherein the hydraulic cylinder 5 is fixedly mounted on an inner side wall of the housing 1, a hydraulic rod of the hydraulic cylinder 5 is connected with a piston sheet 6, the piston sheet 6 is slidably fitted in the sealing cylinder 7 and divides the sealing cylinder 7 into an upper cavity and a lower cavity, and the hydraulic rod of the hydraulic cylinder 5 pushes the piston sheet 6 to reciprocate in the sealing cylinder 7, so that sizes of the two cavities in the sealing cylinder 7 are changed at any time, and air pressure is changed. Work box 8 sets up in the inside of casing 1, and work box 8 includes the box and sets up sealed apron 9 at the box both ends, and is further, and sealed apron 9 can be dismantled and connect the both ends at work box 8. Preferably, the detachable connection is screw connection, so that the manual installation and detachment are facilitated, and the sealing cover plate 9 and the sealing ring are installed between the box bodies to play a role in sealing. A conduit a10 is installed at one end of the working box 8, a conduit b11 is installed at the other end of the working box 8, the other end of the conduit a10 is communicated with the lower cavity of the sealing cylinder 7, the other end of the conduit b11 is communicated with the upper cavity of the sealing cylinder 7, and preferably, the conduit a10 and the conduit b11 are communicated with the inner cavity in a mode of penetrating through the outer wall of the sealing cylinder 7. When the piston plate 6 moves downwards, it will compress the lower chamber, so that the air in the lower chamber enters the working chamber 8 from the conduit a10, thereby pushing the solution in the work box 8 to move rightwards, the piston sheet 6 returns to the initial position upwards, the solution in the work box 8 flows back, the piston sheet 6 continues to move upwards again, the upper cavity is compressed, so that the air in the upper chamber enters the work box 8 from the conduit b11, thereby pushing the solution in the work box 8 to the left, the piston plate 6 then returns to the initial position again, the solution in the working chamber 8 flows back, the piston plate 6 thus moves repeatedly in the sealing cylinder 7, thereby pushing the solution to move back and forth in the working box 8 and continuously freezing the solution on the inner surface of the cavity until the solution in the whole cavity is completely cooled and solidified, and obtaining the plastic polymer product with greatly improved performance in the flowing direction, thereby improving and enhancing the mechanical property of the plastic product.

In this embodiment, can take off sealed apron 9 and carry out the pan feeding, wait the pan feeding and accomplish the back, again sealed apron 9 with the fix with screw, the pan feeding is more time-consuming and energy-consuming like this, very inconvenient, consequently can be provided with raw material tank 2 in the top of casing 1, the pan feeding mouth of raw material tank 2 passes the shell of work box 8, installs valve 4 on the pan feeding mouth. Just open valve 4 when needs feeding and let in the raw materials gets into work box 8, just close valve 4 after the feeding finishes, guaranteed 8 interior seal environment of work box. Further, the raw material tank 2 is provided with an observation window 3, and the observation window 3 is located outside the casing 1, and preferably, the observation window 3 is provided with a scale. The design can be more convenient audio-visual sees the surplus condition of raw materials in raw materials box 2, prevents that the condition of empty material from appearing.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. An apparatus for the modification of plastics, comprising a casing (1), characterized in that: still include work box (8), sealed cylinder (7), pneumatic cylinder (5) fixed mounting be in on the inside wall of casing (1), the hydraulic stem of pneumatic cylinder (5) is connected with piston piece (6), piston piece (6) sliding fit is in sealed cylinder (7), and handle sealed cylinder (7) fall into cavity and lower cavity, work box (8) set up the inside of casing (1), just work box (8) have the working chamber, just pipe a (10) are installed to the one end of work box (8), pipe b (11) are installed to the other end of work box (8), the other end of pipe a (10) with the lower cavity intercommunication of sealed cylinder (7), the other end of pipe b (11) with the last cavity intercommunication of sealed cylinder (7).

2. An apparatus for the modification of plastics according to claim 1, wherein: the conduit a (10) and the conduit b (11) are communicated with the inner cavity in a mode of penetrating through the outer wall of the sealing cylinder (7).

3. An apparatus for the modification of plastics according to claim 1, wherein: the top of casing (1) is provided with raw material tank (2), the pan feeding mouth of raw material tank (2) passes the shell of work box (8), install valve (4) on the pan feeding mouth.

4. An apparatus for the modification of plastics according to claim 3, wherein: an observation window (3) is arranged on the raw material box (2), and the observation window (3) is positioned on the outer side of the shell (1).

5. An apparatus for the modification of plastics according to claim 1, wherein: the working box (8) comprises a box body and sealing cover plates (9) arranged at two ends of the box body.

6. An apparatus for the modification of plastics according to claim 5, wherein: the sealing cover plate (9) is detachably connected with the box body through screws, and a sealing ring is installed between the sealing cover plate (9) and the box body.

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