CN216658810U

CN216658810U - High-efficiency injection molding screw for plastic accessory production

Info

Publication number: CN216658810U
Application number: CN202122982725.3U
Authority: CN
Inventors: 李同裕
Original assignee: Walford Yangzhou Semiconductor New Material Co ltd
Current assignee: Walford Yangzhou Semiconductor New Material Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-06-03
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a high-efficiency injection molding screw for plastic accessory production, which relates to the technical field of injection molding screws and comprises a connecting end rod, wherein the bottom of the connecting end rod is fixedly connected with a first pushing end rod, a plurality of pushing thread grooves distributed according to an annular array are formed in the circumference of the first pushing end rod, the bottom of the first pushing end rod is fixedly connected with a compression molding end rod, the bottom of the compression molding end rod is fixedly connected with a uniformly mixing end rod, the bottom of the uniformly mixing end rod is fixedly connected with a second pushing end rod, the bottom of the second pushing end rod is fixedly connected with a homogenizing end rod, and the bottom of the homogenizing end rod is fixedly connected with a screw conical head. According to the plastic material mixing device, the uniformly mixed plastic solution can be accelerated to be downwards pushed by the second pushing end rod, the arrangement of the homogenizing end rod can be used for stirring and discharging the discharged materials of the raw materials, the more uniform discharge of the plastic raw materials can be ensured, and the plastic smelting efficiency of the device is integrally improved.

Description

High efficiency screw rod of moulding plastics is used in production of plastic accessory

Technical Field

The utility model relates to the technical field of injection molding screws, in particular to a high-efficiency injection molding screw for producing plastic accessories.

Background

Injection molding screws are an important part of injection molding machines. It is used for conveying, compacting, melting, stirring and pressing plastic. All this is done by rotation of the screw within the barrel. When the screw rotates, the plastic generates friction and mutual movement on the inner wall of the machine barrel, the bottom surface of the screw groove, the screw ridge propelling surface and the plastic. The forward propulsion of the plastic is the result of this combination of movements and the heat generated by the friction is also absorbed to raise the temperature of the plastic and melt it.

The structure of the injection molding screw rod in the prior art is single, and only the pushing screw threads arranged at the position of the feeding end on the screw rod body push plastics to operate, and the subsequent compression end is matched to compress and melt the plastics, so that some plastic raw materials are not mixed uniformly, the melting is not fine enough, and the problems of poor quality of injection molding products and the like are directly solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a high-efficiency injection molding screw for producing plastic accessories. Its advantage lies in can be through the multistage setting of the end pole of moulding plastics, wholly improves the efficiency of smelting of end pole to plastics of moulding plastics.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a plastic accessory production is with high efficiency screw rod of moulding plastics, includes the connecting end pole, the first propulsion end pole of bottom fixedly connected with of connecting end pole, set up a plurality of according to the propulsion thread groove that annular array distributes on the circumference of first propulsion end pole, the bottom fixedly connected with compression moulding end pole of first propulsion end pole, the bottom fixedly connected with mixing end pole of compression moulding end pole, the bottom fixedly connected with second propulsion end pole of mixing end pole, the bottom fixedly connected with homogenization end pole of second propulsion end pole, the bottom fixedly connected with screw rod conical head of homogenization end pole.

Preferably, a non-return ring is fixedly mounted at the circumferential top of the first propelling end rod.

Preferably, a plurality of compression molding strips distributed in an annular array are fixedly arranged on the circumference of the compression molding end rod, and a plurality of plastic breaking grooves distributed at equal intervals are formed in the two sides of each compression molding strip.

Preferably, the mounting groove has been seted up on the circumference of mixing end rod, the circumference tank bottom fixed mounting of mounting groove has the mixing strip that is the heliciform setting, the one end that mixing end rod was kept away from to the mixing strip is the pinnacle shape and sets up.

Preferably, a plurality of reinforcing rods distributed in an annular array are fixedly installed on the circumferential groove bottom of the installation groove, and the reinforcing rods are fixedly connected with the uniformly mixing strips.

Preferably, a plurality of propelling thread blocks distributed in an annular array are fixedly arranged on the circumference of the second propelling end rod.

Preferably, a plurality of homogenizing blocks distributed in an annular array are fixedly arranged on the circumference of the homogenizing end rod, and a plurality of flow holes distributed at equal intervals are formed in one side of each homogenizing block.

Preferably, the connecting end rod is arranged in a polygonal column shape, the end face center of the connecting end rod is fixedly provided with a limiting lug, and the top of the connecting end rod is fixedly provided with a rubber damping gasket.

The utility model has the beneficial effects that:

1. this screw rod is moulded plastics with high efficiency in production of plastic accessory, when using, carry out propulsion downwards to plastics by the longer propulsion thread groove of a plurality of pitches, improve the speed that plastics spiral down advances, carry out friction stir to it by the compression moulding end rod again, make the plastics broken melt, and the mixing end rod set up can further stir the mixing with the plastic solution after melting, impel the plastic solution after the end rod will mix the mixing by the second again and impel downwards with higher speed, the setting of homogenization end rod, can stir the ejection of compact to the ejection of compact of raw materials, can guarantee that the ejection of compact of plastic raw materials is more even, whole raising means is to the smelting efficiency of plastics.

2. This screw rod is moulded plastics to high efficiency for plastic accessory production through the setting of moulding plastics strip, can carry out friction-stir to the plastics that advances the thread groove and push forward downwards, melts plastics through the high temperature that produces during the friction to by the setting of broken groove of moulding, the screw rod of being convenient for is smashed plastics, and the improvement device is to the melting speed of plastics.

3. This screw rod is moulded plastics to high efficiency for plastic accessory production through the setting of mixing strip, can carry out high-speed stirring with the plastic solution after preliminary melting, improves plastic solution's regularity to discharge air composition wherein, improve the device to the smelting efficiency and the smelting quality of plastics.

Drawings

FIG. 1 is a schematic perspective view of a high-efficiency injection molding screw for plastic part production according to the present invention;

FIG. 2 is an enlarged schematic structural view of the high efficiency injection molding screw for plastic part production shown in FIG. 1A;

FIG. 3 is an enlarged schematic view of the structure at B of FIG. 1 of the high efficiency injection molding screw for plastic accessory production according to the present invention;

FIG. 4 is a schematic cross-sectional view of a mixing end rod of the high-efficiency injection molding screw for producing plastic accessories according to the present invention.

In the figure: 1. connecting the end rods; 2. a first push end rod; 3. compression molding the end rod; 4. uniformly mixing the end rods; 5. a second advancing endbar; 6. a homogenizing end rod; 7. a screw conical head; 8. a rubber shock-absorbing pad; 9. a limiting bump; 10. a non-return ring; 11. pushing the thread groove; 12. pressing the plastic strip; 13. a plastic breaking groove; 14. uniformly mixing the strips; 15. a reinforcing rod; 16. mounting grooves; 17. pushing the thread block; 18. homogenizing block; 19. a flow aperture.

Detailed Description

The technical solution of the present patent will be further described in detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-4, a screw rod is moulded plastics with high efficiency to plastic accessory production, including connecting end rod 1, the first propulsion end rod 2 of bottom fixedly connected with of connecting end rod 1, set up a plurality of propulsion thread groove 11 according to annular array distribution on the circumference of first propulsion end rod 2, the bottom fixedly connected with compression moulding end rod 3 of first propulsion end rod 2, the bottom fixedly connected with mixing end rod 4 of compression moulding end rod 3, the bottom fixedly connected with second propulsion end rod 5 of mixing end rod 4, the bottom fixedly connected with homogenization end rod 6 of second propulsion end rod 5, the bottom fixedly connected with screw rod conical head 7 of homogenization end rod 6.

Specifically, the non-return ring 10 is fixedly mounted at the top of the circumference of the first propelling end rod 2, and the non-return ring 10 is arranged, so that the plastic can be prevented from being reversed in the charging barrel after being melted, high-temperature solution overflows the top of the charging barrel, the smelting speed of the plastic is influenced, and the safety performance of the device in use is improved.

Specifically, the circumference fixed mounting of compression moulding end pole 3 has a plurality of annular array distribution's compression moulding strip 12, and the broken groove of moulding 13 that a plurality of equidistance distributes is all seted up to the both sides of compression moulding strip 12, and the setting of compression moulding strip 12 can carry out friction-stir to the plastics that impel the thread groove 11 and go on downwards, melts plastics through the high temperature that produces during the friction to by the setting of broken groove of moulding 13, the screw rod of being convenient for is smashed plastics, and the improvement device is to the melting speed of plastics.

Specifically, mounting groove 16 has been seted up on the circumference of mixing end rod 4, and the circumference tank bottom fixed mounting of mounting groove 16 has the mixing strip 14 that is the heliciform setting, and the one end that mixing strip 14 kept away from mixing end rod 4 is the tip angle shape and sets up, and the setting of mixing strip 14 can carry out high-speed stirring with the plastic solution after preliminary melting, improves plastic solution's regularity to discharge air component wherein, the improvement device is to the smelting efficiency and the smelting quality of plastics.

Specifically, fixed mounting has the anchor strut 15 that a plurality of annular array distributes on the circumference tank bottom of mounting groove 16, anchor strut 15 and mixing strip 14 fixed connection, and the setting of anchor strut 15 can increase the stability ability when mixing strip 14 rotates, avoids mixing strip 14 to warp, and then the efficiency of smelting of the device to plastics is improved.

Specifically, a plurality of propelling thread blocks 17 distributed according to an annular array are fixedly arranged on the circumference of the second propelling end rod 5, and the arrangement of the propelling thread blocks 17 further propels the plastic solution downwards at a high speed, so that the plastic smelting efficiency of the device is improved.

Specifically, a plurality of homogenizing blocks 18 distributed in an annular array are fixedly mounted on the circumference of the homogenizing end rod 6, a plurality of flow holes 19 distributed at equal intervals are formed in one side of each homogenizing block 18, the homogenizing blocks 18 are arranged, discharging can be stirred in discharging of raw materials, discharging of plastic raw materials can be guaranteed to be more uniform, and the plastic smelting efficiency of the device is improved integrally.

Specifically, the connecting end rod 1 is arranged in a polygonal cylindrical shape, the limiting lug 9 is fixedly arranged at the center of the end face of the connecting end rod 1, the rubber damping gasket 8 is fixedly arranged at the top of the connecting end rod 1, the limiting lug 9 is arranged, the stability of the connecting end rod 1 during fixing can be improved, the rubber damping gasket 8 is arranged, the overall damping performance of the injection molding screw rod can be improved, and the stability of the injection molding screw rod during use is integrally improved.

The working principle is as follows: when using, impel the thread groove 11 by the longer propulsion of a plurality of pitches downwards to plastics and impel, improve plastics downward spiral progressive speed, carry out friction stir by compression moulding end rod 3 to it again, make the plastics broken melt, and the setting of mixing end rod 4 can further stir the mixing with the plastic solution after melting, impel the plastic solution after the end rod 5 with the mixing by the second again and impel downwards with higher speed, the setting of homogenization end rod 6, can stir the ejection of compact in the ejection of compact to the raw materials, can guarantee that the ejection of compact of plastic raw materials is more even, whole raising means is to the smelting efficiency of plastics.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a plastic accessory production is with high efficiency screw rod of moulding plastics, includes connecting end pole (1), its characterized in that, the first propulsion end pole (2) of the bottom fixedly connected with of connecting end pole (1), set up on the circumference of first propulsion end pole (2) a plurality of according to propelling thread groove (11) that the annular array distributes, the bottom fixedly connected with compression moulding end pole (3) of first propulsion end pole (2), the bottom fixedly connected with mixing end pole (4) of compression moulding end pole (3), the bottom fixedly connected with second of mixing end pole (4) impels end pole (5), the bottom fixedly connected with homogenization end pole (6) of second propulsion end pole (5), the bottom fixedly connected with screw rod conical head (7) of homogenization end pole (6).

2. The high-efficiency injection molding screw for plastic part production according to claim 1, wherein the top of the circumference of the first propelling end rod (2) is fixedly provided with a non-return ring (10).

3. The high-efficiency injection molding screw for producing plastic accessories according to claim 1, wherein a plurality of compression molding strips (12) distributed in an annular array are fixedly installed on the circumference of the compression molding end rod (3), and a plurality of plastic breaking grooves (13) distributed at equal intervals are formed in two sides of each compression molding strip (12).

4. The high-efficiency injection molding screw for plastic part production according to claim 1, wherein a mounting groove (16) is formed in the circumference of the blending end rod (4), a blending bar (14) in a spiral shape is fixedly mounted at the bottom of the circumference groove of the mounting groove (16), and one end, far away from the blending end rod (4), of the blending bar (14) is in a sharp-angle shape.

5. The efficient injection molding screw for plastic part production according to claim 4, wherein a plurality of reinforcing rods (15) distributed in an annular array are fixedly installed on the circumferential groove bottom of the installation groove (16), and the reinforcing rods (15) are fixedly connected with the uniformly mixing strips (14).

6. A high efficiency injection molding screw for the production of plastic parts according to claim 1, wherein a plurality of pushing screw blocks (17) are fixedly mounted on the circumference of the second pushing end rod (5) in an annular array.

7. A high-efficiency injection molding screw for plastic parts production according to claim 1, wherein the homogenizing end rod (6) is fixedly provided with a plurality of homogenizing blocks (18) distributed in a circular array on the circumference, and one side of the homogenizing blocks (18) is provided with a plurality of flow holes (19) distributed at equal intervals.

8. The high-efficiency injection molding screw for producing plastic accessories according to claim 1, wherein the connecting end rod (1) is arranged in a polygonal cylinder shape, the central positions of the end surfaces of the connecting end rod (1) are fixedly provided with limiting lugs (9), and the top of the connecting end rod (1) is fixedly provided with a rubber damping gasket (8).