CN211221906U

CN211221906U - Mixing mechanism of plastic injection molding machine

Info

Publication number: CN211221906U
Application number: CN201921796590.8U
Authority: CN
Inventors: 罗松
Original assignee: Anhui Gangteng Plastic Mold Technology Co ltd
Current assignee: Anhui Gangteng Plastic Mold Technology Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-08-11
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses a compounding mechanism of plastic injection molding machine, concretely relates to injection molding machine technical field, the power distribution box comprises a box body, box one side is equipped with the feed inlet, the box top is equipped with first motor, the inside guide chamber of box, guide intracavity portion is equipped with the screw rod, screw rod bottom fixedly connected with conical rod, the conical rod bottom is equipped with the mixing chamber, mixing intracavity portion is equipped with compounding mechanism. The utility model discloses a set up first puddler and second puddler, first puddler and second puddler rotate toward opposite direction, can be with the abundant misce bene of fused plastic, through setting up first propeller blade and second propeller blade, can conduct it when the plastic is stirred, make fused plastic by smooth injection, through setting up first hot plate, second hot plate and third hot plate, can make fused plastic keep abundant molten state in conduction, compounding and injection process.

Description

Mixing mechanism of plastic injection molding machine

Technical Field

The utility model relates to an injection molding machine technical field, more specifically say, the utility model relates to a compounding mechanism of plastic injection molding machine.

Background

The plastic injection molding machine is a main molding device for making thermoplastic plastics into plastic products with various shapes by utilizing a plastic molding die. The plastic injection molding machine heats the plastic, applies high pressure to the molten plastic, and injects the molten plastic to fill the mold cavity.

The mixing mechanism of the injection molding machine is one of the core components of the injection molding machine, the material changing mechanism mixes various molten plastics and injects the mixed plastics, the mixing of the plastics by the existing mixing mechanism of the injection molding machine is not uniform enough, and particularly when the plastics with different colors are mixed, if the mixing is not uniform, the color difference of the injected plastics is obvious, and the defective rate is high.

Therefore, it is necessary to provide a material mixing mechanism for a plastic injection molding machine to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a compounding mechanism of plastic injection molding machine, through setting up first puddler and second puddler, first puddler and second puddler rotate toward opposite direction, can be with the abundant misce bene of fused plastic, through setting up first propeller blade and second propeller blade, can conduct it when the plastic is stirred, make fused plastic by smooth injection to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a material mixing mechanism of a plastic injection molding machine comprises a box body, wherein a feed port is formed in one side of the box body, the bottom end of the feed port is communicated with the box body, a first motor is arranged at the top end of the box body, the output end of the first motor is in transmission connection with a connecting shaft, one end, far away from the first motor, of the connecting shaft is in through connection with the box body, a material guide cavity is formed in the box body, a screw rod is arranged in the material guide cavity, the top end of the screw rod is fixedly connected with the connecting shaft, a conical rod is fixedly connected to the bottom end of the screw rod, a material mixing cavity;

the mixing mechanism comprises a transmission case, a first rotating shaft is arranged at the top end of the transmission case, a first propeller blade is fixedly connected to the outer side of one end of the first rotating shaft, a first stirring rod is fixedly connected to the outer side of one end, far away from the first propeller blade, of the first rotating shaft, a first steering gear is fixedly connected to the bottom end of the first rotating shaft, a second rotating shaft is arranged at the bottom end of the transmission case, a second stirring rod is fixedly connected to the outer side of one end of the second rotating shaft, far away from the second stirring rod, of the second rotating shaft, a second steering gear is fixedly connected to the top end of the second rotating shaft, a third rotating shaft and a fourth rotating shaft are respectively arranged on two sides of the transmission case, stirring blades are fixedly connected to the outer sides of the third rotating shaft and the fourth rotating shaft, a third steering gear is fixedly connected to one end of the third rotating shaft, one end, far away from the third steering gear, the box body is characterized in that a second motor is arranged on one side of the box body, the output end of the second motor is in transmission connection with a third rotating shaft, a fourth rotating shaft one end is fixedly connected with a fourth steering gear, and one end, far away from the fourth steering gear, of the fourth rotating shaft is rotatably connected with the inner wall of the box body through a bearing.

In a preferred embodiment, an injection cavity is arranged at the bottom end of the mixing cavity, and an injection nozzle is fixedly connected to the bottom end of the injection cavity.

In a preferred embodiment, the inner wall of the material guide cavity is provided with a first heating plate, the inner wall of the material mixing cavity is provided with a second heating plate, and the inner wall of the injection cavity is provided with a third heating plate.

In a preferred embodiment, the outer side surface of the tapered rod is provided with a plurality of guide grooves, and the guide grooves are uniformly distributed on the surface of the tapered rod.

In a preferred embodiment, the first steering gear is arranged inside the transmission case, the outer side of the first rotating shaft is rotatably connected with the transmission case through a bearing, the second steering gear is arranged inside the transmission case, and the outer side of the second rotating shaft is rotatably connected with the transmission case through a bearing.

In a preferred embodiment, the third steering gear and the fourth steering gear are both arranged inside the transmission case, the outer side of the third rotating shaft is fixedly connected with the transmission case through a bearing, and the outer side of the fourth rotating shaft is fixedly connected with the transmission case through a bearing.

In a preferred embodiment, the two sides of the transmission case are fixedly connected with support rods, one end of each support rod far away from the transmission case is fixedly connected with the inner wall of the case body, one side of the third steering gear far away from the third rotating shaft is rotatably connected with the first steering gear and the second steering gear, and one side of the fourth steering gear far away from the fourth rotating shaft is rotatably connected with the first steering gear and the second steering gear.

In a preferred embodiment, the number of the first stirring rods is set to be plural, the plural first stirring rods are uniformly distributed outside the first rotating shaft, the number of the second stirring rods is set to be plural, and the plural second stirring rods are uniformly distributed outside the second rotating shaft.

The utility model discloses a technological effect and advantage:

1. the first stirring rod and the second stirring rod are arranged and rotate in opposite directions, so that molten plastic can be fully and uniformly mixed, and the first propeller blade and the second propeller blade are arranged so that the plastic can be conducted while being stirred, so that the molten plastic can be smoothly injected out;

2. through setting up first hot plate, second hot plate and third hot plate, can make the molten plastic keep abundant molten state at conduction, compounding and injection in-process, be convenient for to its abundant misce bene, make it can not appear cooling, material adhesion, influence the problem of follow-up processing.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a top view of the transmission case of the present invention.

Fig. 4 is a left side view of the stirring fan blade of the present invention.

Fig. 5 is an enlarged view of the structure of the portion a of fig. 1 according to the present invention.

The reference signs are: the device comprises a box body 1, a feeding hole 2, a first motor 3, a connecting shaft 4, a material guide cavity 5, a screw rod 6, a conical rod 7, a material mixing cavity 8, a transmission case 9, a first rotating shaft 10, a first screw blade 11, a first stirring rod 12, a first steering gear 13, a second rotating shaft 14, a second stirring rod 15, a second screw blade 16, a second steering gear 17, a third rotating shaft 18, a fourth rotating shaft 19, stirring blades 20, a third steering gear 21, a second motor 22, a fourth steering gear 23, an injection cavity 24, an injection nozzle 25, a first heating plate 26, a second heating plate 27, a third heating plate 28, a guide groove 29, a supporting rod 30 and a material mixing mechanism 31.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

As shown in fig. 1-5, the utility model provides a mixing mechanism of plastic injection molding machine, including box 1, box 1 one side is equipped with feed inlet 2, the bottom of feed inlet 2 communicates with box 1, the top of box 1 is equipped with first motor 3, the transmission of first motor 3 output is connected with connecting axle 4, the one end of connecting axle 4 far away from first motor 3 is run through with box 1 and is connected, the inside guide chamber 5 of box 1, the inside screw rod 6 that is equipped with of guide chamber 5, the top of screw rod 6 is fixedly connected with connecting axle 4, the bottom of screw rod 6 is fixedly connected with conical rod 7, the bottom of conical rod 7 is equipped with mixing chamber 8, the inside mixing mechanism 31 that is equipped with of mixing chamber 8;

the mixing mechanism 31 comprises a transmission case 9, a first rotating shaft 10 is arranged at the top end of the transmission case 9, a first propeller blade 11 is fixedly connected to the outer side of one end of the first rotating shaft 10, a first stirring rod 12 is fixedly connected to the outer side of one end, far away from the first propeller blade 11, of the first rotating shaft 10, a first steering gear 13 is fixedly connected to the bottom end of the first rotating shaft 10, a second rotating shaft 14 is arranged at the bottom end of the transmission case 9, a second stirring rod 15 is fixedly connected to the outer side of one end of the second rotating shaft 14, a second propeller blade 16 is fixedly connected to the outer side of one end, far away from the second stirring rod 15, of the second rotating shaft 14, a second steering gear 17 is fixedly connected to the top end of the second rotating shaft 14, a third rotating shaft 18 and a fourth rotating shaft 19 are respectively arranged at two sides of the transmission case 9, stirring blades 20 are fixedly connected to the outer sides of the third rotating shaft 18 and the fourth rotating shaft, one end of the third rotating shaft 18, which is far away from the third steering gear 21, is in through connection with the box body 1, one side of the box body 1 is provided with a second motor 22, the output end of the second motor 22 is in transmission connection with the third rotating shaft 18, one end of the fourth rotating shaft 19 is fixedly connected with a fourth steering gear 23, and one end of the fourth rotating shaft 19, which is far away from the fourth steering gear 23, is in rotating connection with the inner wall of the box body 1 through a bearing;

an injection cavity 24 is arranged at the bottom end of the mixing cavity 8, an injection nozzle 25 is fixedly connected to the bottom end of the injection cavity 24, and the molten plastic is injected out through the injection nozzle 25;

the outer side surface of the conical rod 7 is provided with a plurality of guide grooves 29, the guide grooves 29 are uniformly distributed on the surface of the conical rod 7, and the guide grooves 29 can stir and conduct plastic;

the first steering gear 13 is arranged in the transmission case 9, the outer side of the first rotating shaft 10 is rotatably connected with the transmission case 9 through a bearing, the second steering gear 17 is arranged in the transmission case 9, and the outer side of the second rotating shaft 14 is rotatably connected with the transmission case 9 through a bearing;

the third steering gear 21 and the fourth steering gear 23 are both arranged in the transmission case 9, the outer side of the third rotating shaft 18 is fixedly connected with the transmission case 9 through a bearing, and the outer side of the fourth rotating shaft 19 is fixedly connected with the transmission case 9 through a bearing;

the two sides of the transmission case 9 are fixedly connected with supporting rods, one end of each supporting rod, far away from the transmission case 9, is fixedly connected with the inner wall of the case body 1, one side, far away from the third rotating shaft 18, of the third steering gear 21 is rotatably connected with the first steering gear 13 and the second steering gear 17, one side, far away from the fourth rotating shaft 19, of the fourth steering gear 23 is rotatably connected with the first steering gear 13 and the second steering gear 17, and the transmission case 9 is fixed inside the case body 1 through the supporting rods;

the number of the first stirring rods 12 is multiple, the multiple first stirring rods 12 are uniformly distributed on the outer side of the first rotating shaft 10, the number of the second stirring rods 15 is multiple, the multiple second stirring rods 15 are uniformly distributed on the outer side of the second rotating shaft 14, and the first stirring rods 12 and the second stirring rods 15 can fully stir the molten plastic;

the implementation mode is specifically as follows: when the mixing machine is in actual use, molten plastic enters the material guide cavity 5 through the feeding hole 2, when the plastic enters the material guide cavity 5, the first motor 3 is started, the first motor 3 drives the connecting shaft 4 to rotate, the connecting shaft 4 drives the screw rod 6 to rotate, when the screw rod 6 rotates, threads on the outer side of the screw rod 6 push the molten plastic to move downwards, the cross section of the bottom end of the material guide cavity 5 is conical, when the plastic is conducted to the bottom end of the material guide cavity 5, the molten plastic is extruded together and then enters the material mixing cavity 8, the bottom end of the screw rod 6 is provided with the conical rod 7, the outer side surface of the conical rod 7 is provided with the guide groove 29, the guide groove 29 not only can conduct the molten plastic and conduct the plastic to the material mixing cavity 8, but also can conduct preliminary stirring to the plastic, when the molten plastic is conducted to the material mixing cavity 8, the second motor 22 is started, the second motor 22 drives the third rotating, the third rotating shaft 18 drives the third steering gear 21 to rotate, the third steering gear 21 can drive the first steering gear 13 and the second steering gear 17 to rotate in opposite directions, the first steering gear 13 and the second steering gear 17 drive the fourth rotating shaft 19 to rotate, the first steering gear 13 drives the first rotating shaft 10 to rotate, the first rotating shaft 10 drives the first stirring rod 12 to rotate to stir the molten plastic, the first helical blade 11 can downwards conduct the plastic stirred by the first stirring rod 12, the stirring blades 20 on the third rotating shaft 18 and the fourth rotating shaft 19 rotate in opposite directions to further stir and conduct the molten plastic, the molten plastic is conducted to the position of the second stirring rod 15, the second stirring rod 15 rotates in the opposite direction of the first stirring rod 12, the plastic stirred by the first stirring rod 12 can be fully stirred and mixed, so that the molten plastic is fully and uniformly mixed, and then is conducted to injection chamber 24 by second propeller blade 16 to inject out through injection nozzle 25, carry out follow-up further processing, this structure is through setting up first puddler 12 and second puddler 15, first puddler 12 and second puddler 15 rotate towards opposite direction, can be with the abundant misce bene of fused plastic, through setting up first propeller blade 11 and second propeller blade 16, can be when the plastic is stirred to conduct it, make the abundant fused plastic of intensive mixing smoothly inject out, this embodiment has specifically solved the not enough even of injection molding machine compounding mechanism to the plastic mixes in the prior art, the problem that the defective percentage is high.

As shown in fig. 1, a first heating plate 26 is arranged on the inner wall of the material guide cavity 5, a second heating plate 27 is arranged on the inner wall of the material mixing cavity 8, and a third heating plate 28 is arranged on the inner wall of the injection cavity 24;

the implementation mode is specifically as follows: through setting up first hot plate 26, second hot plate 27 and third hot plate 28, can make the molten plastic keep abundant molten state at conduction, compounding and injection in-process, be convenient for to its abundant misce bene, make it can not appear cooling, material adhesion, influence the problem of follow-up processing.

The utility model discloses the theory of operation:

referring to the attached drawings 1-5 of the specification, molten plastic enters a material guiding cavity 5 through a material inlet 2, when the plastic enters the material guiding cavity 5, a first motor 3 is started, the first motor 3 drives a connecting shaft 4 to rotate, the connecting shaft 4 drives a screw rod 6 to rotate, when the screw rod 6 rotates, threads on the outer side of the screw rod 6 push the molten plastic to move downwards, the cross section of the bottom end of the material guiding cavity 5 is conical, when the plastic is conducted to the bottom end of the material guiding cavity 5, the molten plastic is extruded together and then enters a material mixing cavity 8, a conical rod 7 is arranged at the bottom end of the screw rod 6, a guide groove 29 is formed in the outer side surface of the conical rod 7, the guide groove 29 not only can conduct the molten plastic and conduct the plastic to the material mixing cavity 8, but also can conduct preliminary stirring to the plastic, when the molten plastic is conducted to the material mixing cavity 8, a second motor 22 is started, and a third rotating shaft 18 is, the third rotating shaft 18 drives the third steering gear 21 to rotate, the third steering gear 21 can drive the first steering gear 13 and the second steering gear 17 to rotate in opposite directions, the first steering gear 13 and the second steering gear 17 drive the fourth rotating shaft 19 to rotate, the first steering gear 13 drives the first rotating shaft 10 to rotate, the first rotating shaft 10 drives the first stirring rod 12 to rotate to stir the molten plastic, the first helical blade 11 can downwards conduct the plastic stirred by the first stirring rod 12, the stirring blades 20 on the third rotating shaft 18 and the fourth rotating shaft 19 rotate in opposite directions to further stir and conduct the molten plastic, the molten plastic is conducted to the position of the second stirring rod 15, the second stirring rod 15 rotates in the opposite direction of the first stirring rod 12, the plastic stirred by the first stirring rod 12 can be fully stirred and mixed, so that the molten plastic is fully and uniformly mixed, further transmitted to the injection cavity 24 by the second propeller blade 16 and injected out through the injection nozzle 25 for further subsequent processing;

referring to the attached figure 1 of the specification, by arranging the first heating plate 26, the second heating plate 27 and the third heating plate 28, the molten plastic can be kept in a sufficient molten state in the processes of conduction, mixing and injection, so that the plastic can be uniformly mixed sufficiently, and the problems of cooling, material adhesion and influence on subsequent processing can be avoided.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a compounding mechanism of plastic injection molding machine, includes box (1), its characterized in that: a feeding hole (2) is formed in one side of the box body (1), the bottom end of the feeding hole (2) is communicated with the box body (1), a first motor (3) is arranged at the top end of the box body (1), the output end of the first motor (3) is connected with a connecting shaft (4) in a transmission mode, one end, far away from the first motor (3), of the connecting shaft (4) is connected with the box body (1) in a penetrating mode, a material guide cavity (5) is formed in the box body (1), a screw rod (6) is arranged in the material guide cavity (5), the top end of the screw rod (6) is fixedly connected with the connecting shaft (4), a conical rod (7) is fixedly connected to the bottom end of the screw rod (6), a material mixing cavity (8) is formed in the bottom end of the conical rod;

the mixing mechanism (31) comprises a transmission case (9), a first rotating shaft (10) is arranged at the top end of the transmission case (9), a first propeller blade (11) is fixedly connected to the outer side of one end of the first rotating shaft (10), a first stirring rod (12) is fixedly connected to the outer side of one end, away from the first propeller blade (11), of the first rotating shaft (10), a first steering gear (13) is fixedly connected to the bottom end of the first rotating shaft (10), a second rotating shaft (14) is arranged at the bottom end of the transmission case (9), a second stirring rod (15) is fixedly connected to the outer side of one end of the second rotating shaft (14), a second propeller blade (16) is fixedly connected to the outer side of one end, away from the second stirring rod (15), of the second rotating shaft (14), a second steering gear (17) is fixedly connected to the top end of the second rotating shaft (14), a third rotating shaft (18) and a fourth rotating shaft (19) are arranged on two sides, third pivot (18) and the equal fixedly connected with stirring fan blade (20) in fourth pivot (19) outside, third pivot (18) one end fixedly connected with third steering gear (21), the one end and box (1) through connection of third steering gear (21) are kept away from in third pivot (18), box (1) one side is equipped with second motor (22), second motor (22) output and third pivot (18) transmission are connected, fourth pivot (19) one end fixedly connected with fourth steering gear (23), the one end that fourth steering gear (23) were kept away from in fourth pivot (19) passes through the bearing rotation with box (1) inner wall and is connected.

2. The mixing mechanism of the plastic injection molding machine according to claim 1, characterized in that: an injection cavity (24) is arranged at the bottom end of the mixing cavity (8), and an injection nozzle (25) is fixedly connected to the bottom end of the injection cavity (24).

3. The mixing mechanism of the plastic injection molding machine according to claim 2, characterized in that: the inner wall of the material guide cavity (5) is provided with a first heating plate (26), the inner wall of the material mixing cavity (8) is provided with a second heating plate (27), and the inner wall of the injection cavity (24) is provided with a third heating plate (28).

4. The mixing mechanism of the plastic injection molding machine according to claim 1, characterized in that: guide grooves (29) are formed in the outer side surface of the conical rod (7), the number of the guide grooves (29) is multiple, and the guide grooves (29) are uniformly distributed on the surface of the conical rod (7).

5. The mixing mechanism of the plastic injection molding machine according to claim 1, characterized in that: first steering gear (13) are established inside transmission case (9), first pivot (10) outside is passed through the bearing and is rotated with transmission case (9) and be connected, second steering gear (17) are established inside transmission case (9), second pivot (14) outside is passed through the bearing and is rotated with transmission case (9) and be connected.

6. The mixing mechanism of the plastic injection molding machine according to claim 5, characterized in that: third steering gear (21) and fourth steering gear (23) all establish inside transmission case (9), third pivot (18) outside is through bearing and transmission case (9) fixed connection, fourth pivot (19) outside is through bearing and transmission case (9) fixed connection.

7. The mixing mechanism of the plastic injection molding machine according to claim 6, characterized in that: the equal fixedly connected with bracing piece in transmission case (9) both sides, the one end and box (1) inner wall fixed connection of transmission case (9) are kept away from to the bracing piece, one side and first steering gear (13) and second steering gear (17) that third pivot (18) were kept away from in third steering gear (21) rotate to be connected, one side and first steering gear (13) and second steering gear (17) rotation connection that fourth pivot (19) were kept away from in fourth steering gear (23).

8. The mixing mechanism of the plastic injection molding machine according to claim 5, characterized in that: first puddler (12) quantity is established to a plurality ofly, and is a plurality of first puddler (12) evenly distributed is in first pivot (10) outside, second puddler (15) quantity is established to a plurality ofly, and is a plurality of second puddler (15) evenly distributed second pivot (14) outside.