CN113001911A

CN113001911A - Plastic processing equipment

Info

Publication number: CN113001911A
Application number: CN202110201154.7A
Authority: CN
Inventors: 杨寿花
Original assignee: Zhuji Zhitao Intelligent Technology Co Ltd
Current assignee: Zhuji Zhitao Intelligent Technology Co Ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-06-22

Abstract

The invention provides plastic processing equipment, and relates to the field of injection molding production. This plastics processing equipment, including drive motor, mounting panel, feeder hopper, feeding mechanism and shower nozzle, drive motor fixed connection is at the one end outer wall of mounting panel, feeding mechanism forms the transmission cooperation with drive motor, the mounting groove has been seted up on the feeding mechanism, feeder hopper fixed connection is at the inner wall of feeder hopper, the one end fixed connection of shower nozzle and feeder hopper. The feeding mechanism comprises a feeding pipe, a spiral feeding rod, a fixing ring, a screening mechanism, an extruding pipe and an electromagnetic heating ring, wherein the spiral feeding rod is arranged in the feeding pipe, and one end of the spiral feeding rod is connected with an output shaft of a transmission motor through a coupler. This plastics processing equipment has prevented to cause the shower nozzle to block up, has also improved injection moulding's production quality, has avoided causing the flaw on the quality when the plastic granules do not fully melt to mould plastics.

Description

Plastic processing equipment

Technical Field

The invention relates to the technical field of injection molding production, in particular to plastic processing equipment.

Background

Plastic processing is also known as plastic molding processing. Is a general term for various processes for converting synthetic resins or plastics into plastic products, and is a large production sector in the plastics industry. Plastic processing generally includes the batching, shaping, machining, joining, finishing, assembling, etc. of plastic. The latter four steps are carried out after the plastic has been shaped into a product or a semi-product, also known as plastic secondary processing. An injection molding machine is a plastic processing device, which is a main molding device for manufacturing thermoplastic plastics or thermosetting plastics into plastic products with various shapes by utilizing a plastic molding die. The device is divided into a vertical type, a horizontal type and a full-electric type. The injection molding machine can heat the plastic, apply high pressure to the molten plastic, and inject it to fill the mold cavity.

When the injection molding machine is used for injection molding, impurities cannot be completely removed due to material screening, the materials often contain solid impurities, the impurities can not only enter a mold cavity in the injection molding process to influence the quality of some injection molding products and scratch the mold, but also block the spray head, damage is caused to plastic processing equipment, and in the injection molding process, some plastic particles also have the condition that the plastic particles cannot be sufficiently melted in time, and the injection molding quality and the spray head can also be influenced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides plastic processing equipment, which solves the problems that in the injection molding production, impurities cannot be completely removed due to material screening when an injection molding machine performs injection molding, the materials often contain some solid impurities, the impurities can not only enter a mold cavity in the injection molding process to influence the quality of some injection molding products and scratch a mold, but also block a spray head to damage the plastic processing equipment, and in the injection molding process, some plastic particles can not be timely and fully melted, and the injection molding quality and the spray head can also be influenced.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a plastic processing equipment, includes drive machine, mounting panel, feeder hopper, feeding mechanism and shower nozzle, drive machine fixed connection is at the one end outer wall of mounting panel, feeding mechanism forms the transmission cooperation with drive machine, the mounting groove has been seted up on the feeding mechanism, feeder hopper fixed connection is at the inner wall of feeder hopper, the one end fixed connection of shower nozzle and feeder hopper. The feeding mechanism comprises a feeding pipe, a spiral feeding rod, a fixing ring, a screening mechanism, an extruding pipe and an electromagnetic heating ring, the spiral feeding rod is arranged in the feeding pipe, one end of the spiral feeding rod is connected with an output shaft of a transmission motor through a coupler, the screening mechanism is arranged on the inner wall of the feeding pipe close to the other end of the spiral feeding rod, the extruding mechanism is arranged on the inner wall of one side of the feeding pipe close to a spray head, the electromagnetic heating ring is arranged on the outer wall of the feeding pipe, the pressurizing pipe is connected with one end of the spray head, and the pressurizing pipe can enable molten plastic to fully enter a mold cavity.

Preferably, screening mechanism includes fixed plate, small opening, accomodates chamber, through-hole, liquid outlet and swash plate, the swash plate sets up the inner wall at the fixed plate, it accomodates the chamber to leave between swash plate and the fixed plate, the small opening is evenly seted up on the swash plate, the through-hole is seted up at one side outer wall of swash plate, the aperture of through-hole is less, can carry out the secondary screening to impurity.

Preferably, stop gear has been seted up to the inner wall of small opening, stop gear includes reset spring, heat-resisting rubber layer, limiting plate, magnetic head and stopper, limiting plate swing joint is at the inner wall of small opening, the magnetic head sets up the one end outer wall at the limiting plate, heat-resisting rubber layer sets up between small opening and limiting plate, reset spring's one end and small opening inner wall fixed connection, reset spring's the other end and limiting plate fixed connection, the stopper sets up the below that is located the limiting plate at the small opening inner wall, can prevent that impurity from spilling.

Preferably, the extrusion mechanism comprises cylinders, pistons, connecting springs, circular plates and extrusion grooves, the pistons are connected through the connecting springs, the pistons are movably connected to the inner wall of the double-layer cylinders, the circular plates are fixedly connected to the inner wall of the cylinders, the extrusion grooves are uniformly formed in the circular plates, air cavities are reserved among the circular plates, and air in the air cavities can expand when heated.

Preferably, the inner wall of the extrusion groove is provided with a convex block, the convex block is arc-shaped, and the outer wall of the extrusion groove is provided with an annular extrusion device.

Preferably, extrusion device includes annular plate, elastic layer, connecting plate, movable rod and extrusion head, evenly distributed's spout has been seted up on the annular plate, movable rod and spout sliding connection, the extrusion head sets up on the spout, connect through the elastic layer between the movable rod, the one end and the elastic layer fixed connection of connecting plate, the other end and the annular plate outer wall fixed connection of connecting plate.

(III) advantageous effects

(1) The invention relates to a plastic processing device, when molten plastic particles enter a screening mechanism, as the aperture of a leak hole is larger and a bevel plate has an inclined angle, some solid impurities can enter a containing cavity from the leak hole under the action of gravity in the transportation process and then are washed and deposited at the bottom of the containing cavity, as the aperture of a through hole is smaller, only the molten plastic can pass through, so the solid impurities can be remained in the containing cavity, as an arc-shaped structure is arranged at a discharge port, when liquid in a molten state impacts the discharge port, a reverse rotation force can be applied, the impurities which do not enter the containing cavity can be washed away, the impurities accumulated at the discharge port can not cause blockage to the discharge port, the impurities can be collected in the containing cavity to prevent subsequent blockage to a spray head, and meanwhile, some plastic particles which are not completely molten can not pass through the discharge port, can fully melt under the effect of high temperature in screening mechanism just can pass through, further prevented to cause the jam to the shower nozzle, also improved injection moulding's production quality, avoided the plastic granules not fully melt the flaw that causes on the quality when moulding plastics.

(2) According to the plastic processing equipment, when solid impurities pass through the leak hole, the limiting plate is opened under the action of the impact force, so that the fixed impurities enter the containing cavity, after the impurities pass through the leak hole, the limiting plate can reset under the elastic force of the reset spring, and the magnetic heads on the limiting plate can attract each other, so that the fixing effect is enhanced.

(3) According to the plastic processing equipment, when the molten liquid passes through the extrusion groove, the bumps are arranged on the inner wall of the extrusion groove, so that the whole extrusion groove is in a wave shape, and the whole extrusion groove can continuously vibrate when the liquid passes through, so that the temperature in the liquid is more even, meanwhile, the continuous melting of some incompletely-melted plastic particles is accelerated, the accumulation of small plastic particles at the spray head is prevented, and the injection molding quality is improved.

(4) When molten liquid passes through the extrusion groove, because the temperature is high, the pressure in the air cavity is increased, the pressure on the elastic layer is increased, the movable rod is extruded under the elasticity of the elastic layer, the gas between the pistons is heated to expand and also drives the pistons to move, the pistons can move repeatedly under the action of the connecting spring, so that the pressure in the air cavity is changed, the stress of the elastic layer is changed continuously, the extrusion head on the movable rod is driven to impact and extrude continuously, the movable rod can rub and crush larger plastic particles continuously under the action of impact force and the elastic layer, further, the continuous melting of the incompletely melted plastic particles is accelerated, and the problems that impurities cannot be completely removed due to material screening and the materials often contain solid impurities in the injection molding machine during injection molding production are effectively solved, these impurities not only can enter into the mould cavity at the in-process of moulding plastics, influence the quality of some injection moulding products, scratch the mould, also can block up the shower nozzle, cause the damage to plastics processing equipment, and at the in-process of moulding plastics, some plastic granules also have the condition emergence that can't in time fully melt, also can influence the problem of moulding plastics quality and jam shower nozzle.

Drawings

FIG. 1 is a perspective view of a plastic processing apparatus of the present invention;

FIG. 2 is a partial cross-sectional view of a feed mechanism of the present invention;

FIG. 3 is a cross-sectional view of a screening mechanism according to the present invention;

FIG. 4 is a cross-sectional view of a spacing mechanism of the present invention;

FIG. 5 is a sectional view of an extrusion mechanism according to the present invention;

FIG. 6 is a sectional view showing the structure of an extrusion groove according to the present invention;

fig. 7 is a structural sectional view of an extrusion apparatus of the present invention.

Wherein, 1-transmission motor, 2-mounting plate, 3-feed hopper, 4-feeding mechanism, 5-nozzle, 6-feeding pipe, 7-spiral feeding rod, 8-fixing ring, 9-screening mechanism, 10-extruding mechanism, 11-electromagnetic heating ring, 12-pressurizing pipe, 13-fixing plate, 14-leak hole, 15-containing cavity, 16-through hole, 17-liquid outlet, 18-inclined plate, 19-limiting mechanism, 20-reset spring, 21-heat-resistant rubber layer, 22-limiting plate, 23-magnetic head, 24-limiting block, 25-cylinder, 26-piston, 27-connecting spring, 28-circular plate, 29-extruding groove, 30-lug, 31-extruding device, etc, 32-annular plate, 33-elastic layer, 34-connecting plate, 35-movable rod and 36-extrusion head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1-7, an embodiment of the present invention provides a plastic processing device, which includes a transmission motor 1, a mounting plate 2, a feeding hopper 3, a feeding mechanism 4 and a nozzle 5, wherein the transmission motor 1 is fixedly connected to an outer wall of one end of the mounting plate 2, the feeding mechanism 4 and the transmission motor 1 form a transmission fit, the feeding mechanism 4 is provided with a mounting groove, the feeding hopper 3 is fixedly connected to an inner wall of the feeding hopper 3, and the nozzle 5 is fixedly connected to one end of the feeding hopper 3. Feeding mechanism 4 includes conveying pipe 6, spiral feed rod 7, solid fixed ring 8, screening mechanism 9, extrusion mechanism 10, extrusion pipe and electromagnetic heating ring 11, spiral feed rod 7 sets up in conveying pipe 6, the one end of spiral feed rod 7 is connected with driving motor 1's output shaft through the shaft coupling, screening mechanism 9 sets up the inner wall that is close to the spiral feed rod 7 other end at conveying pipe 6, extrusion mechanism 10 sets up the one side inner wall that is close to shower nozzle 5 at conveying pipe 6, electromagnetic heating ring 11 sets up the outer wall at conveying pipe 6, pressurized tube 12 is connected with the one end of shower nozzle 5, pressurized tube 12 can make during the abundant entering into mould die cavity of fused plastics.

In the invention, the screening mechanism 9 comprises a fixed plate 13, a leakage hole 14, a containing cavity 15, a through hole 16, a liquid outlet 17 and an inclined plate 18, wherein the inclined plate 18 is arranged on the inner wall of the fixed plate 13, the containing cavity 15 is reserved between the inclined plate 18 and the fixed plate 13, the leakage hole 14 is uniformly formed in the inclined plate 18, the through hole 16 is formed in the outer wall of one side of the inclined plate 18, the aperture of the through hole 16 is small, and secondary screening can be carried out on impurities.

According to the invention, the limiting mechanism 19 is arranged on the inner wall of the leak hole 14, the limiting mechanism 19 comprises a return spring 20, a heat-resistant rubber layer 21, a limiting plate 22, a magnetic head 23 and a limiting block 24, the limiting plate 22 is movably connected to the inner wall of the leak hole 14, the magnetic head 23 is arranged on the outer wall of one end of the limiting plate 22, the heat-resistant rubber layer 21 is arranged between the leak hole 14 and the limiting plate 22, one end of the return spring 20 is fixedly connected with the inner wall of the leak hole 14, the other end of the return spring 20 is fixedly connected with the limiting plate 22, and the limiting block 24 is arranged on the inner wall of the leak hole 14 and.

In the invention, the extrusion mechanism 10 comprises cylinders 25, pistons 26, connecting springs 27, circular plates 28 and extrusion grooves 29, wherein the pistons 26 are connected through the connecting springs 27, the pistons 26 are movably connected to the inner wall between the double-layer cylinders 25, the circular plates 28 are fixedly connected to the inner wall of the cylinders 25, the extrusion grooves 29 are uniformly arranged on the circular plates 28, air cavities are reserved between the circular plates 28, and the air in the air cavities can expand when heated.

In the invention, the inner wall of the extrusion groove 29 is provided with a convex block 30, the convex block 30 is arc-shaped, and the outer wall of the extrusion groove 29 is provided with an annular extrusion device 31.

In the invention, the extrusion device 31 comprises an annular plate 32, an elastic layer 33, a connecting plate 34, a movable rod 35 and an extrusion head 36, wherein the annular plate 32 is provided with evenly distributed chutes, the movable rod 35 is in sliding connection with the chutes, the extrusion head 36 is arranged on the chutes, the movable rods 35 are connected through the elastic layer 33, one end of the connecting plate 34 is fixedly connected with the elastic layer 33, and the other end of the connecting plate 34 is fixedly connected with the outer wall of the annular plate 32.

The working principle is as follows: when the device is used, materials are filled from the feed hopper 3, the transmission motor 1 and the electromagnetic heating ring 11 are started simultaneously, the transmission motor 1 rotates to drive the spiral conveying rod on the transmission motor to rotate, the spiral conveying pipe rotates to drive the materials to move in the feeding pipe 6, the electromagnetic heating ring 11 is electrified to generate heat to melt the materials, then the materials enter the spray head 5 through the pressurizing pipe 12 and are injected into a mold cavity from the spray head 5, when molten plastic particles enter the screening mechanism 9, as the aperture of the leakage hole 14 is large, the inclined cutting plate 18 has an inclined angle, some solid impurities can enter the accommodating cavity 15 from the leakage hole 14 under the action of gravity in the transportation process and are washed and deposited at the bottom of the accommodating cavity 15, as the aperture of the through hole 16 is small and only can pass through the molten plastic, the solid impurities can be left in the accommodating cavity 15, and as the discharge port is provided with an arc-shaped structure, when liquid in a molten state impacts the discharge port, reverse rotation force is applied, impurities gathered at the discharge port cannot enter the containing cavity 15, the impurities cannot be washed away, the discharge port cannot be blocked, the impurities are collected in the containing cavity 15, the subsequent blockage of the spray head 5 is prevented, meanwhile, plastic particles which are not completely melted cannot pass through the discharge port, the plastic particles can be fully melted under the action of high temperature in the screening mechanism 9 and can pass through the discharge port, when solid impurities pass through the leak hole 14, the limiting plate 22 is opened under the action of impact force, so that fixed impurities enter the containing cavity 15, after the impurities pass through the leak hole 14, the limiting plate 22 can reset under the elastic force of the reset spring 20, the magnetic heads 23 on the limiting plate 22 can attract each other, the fixing effect is enhanced, and due to the action of the limiting block 24, the limiting plate 22 cannot move downwards, therefore, impurities cannot leak out of the leakage hole 14 again, and then the impurities are washed to the bottom of the accommodating cavity 15, so that the impurities are prevented from leaking out and blocking the discharge hole, when the molten liquid passes through the extrusion groove 29, the whole extrusion groove 29 is in a wave shape due to the fact that the lug 30 is arranged on the inner wall of the extrusion groove 29, when the liquid passes through, the vibration is continuously generated, the temperature in the liquid is enabled to be more even, meanwhile, the continuous melting of some incompletely melted plastic particles is accelerated, when the molten liquid passes through the extrusion groove 29, due to the fact that the temperature is high, the pressure in the air cavity is increased, the pressure on the elastic layer 33 is increased, the movable rod 35 is extruded under the elasticity of the elastic layer 33, the air between the pistons 26 is heated and expanded, the pistons 26 are also driven to move, the pistons 26 move repeatedly under the action of the connecting spring 27, so that the pressure in the air cavity is changed, and the stress of the elastic layer 33 is, the extrusion head 36 on the movable rod 35 on the movable rod is driven to continuously impact and extrude, and the movable rod 35 can continuously rub and crush some larger plastic particles under the action of impact force and the elastic layer 33, so that the continuous melting of some incompletely melted plastic particles is further accelerated.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a plastic processing equipment, includes driving motor (1), mounting panel (2), feeder hopper (3), feeding mechanism (4) and shower nozzle (5), its characterized in that: drive motor (1) fixed connection is at the one end outer wall of mounting panel (2), feeding mechanism (4) and drive motor (1) form the transmission cooperation, the mounting groove has been seted up on feeding mechanism (4), feeder hopper (3) fixed connection is at the inner wall of feeder hopper (3), shower nozzle (5) and the one end fixed connection of feeder hopper (3). The feeding mechanism (4) comprises a feeding pipe (6), a spiral feeding rod (7), a fixing ring (8), a screening mechanism (9), an extruding mechanism (10), an extruding pipe and an electromagnetic heating ring (11), wherein the spiral feeding rod (7) is arranged in the feeding pipe (6), one end of the spiral feeding rod (7) is connected with an output shaft of a transmission motor (1) through a coupler, the screening mechanism (9) is arranged on the inner wall, close to the other end of the spiral feeding rod (7), of the feeding pipe (6), the extruding mechanism (10) is arranged on the inner wall, close to the spray head (5), of the feeding pipe (6), the electromagnetic heating ring (11) is arranged on the outer wall of the feeding pipe (6), and the pressurizing pipe (12) is connected with one end of the spray head (5).

2. A plastics processing apparatus according to claim 1, wherein: screening mechanism (9) are including fixed plate (13), small opening (14), accomodate chamber (15), through-hole (16), liquid outlet (17) and swash plate (18), swash plate (18) set up the inner wall at fixed plate (13), it accomodates chamber (15) to leave between swash plate (18) and fixed plate (13), small opening (14) are evenly seted up on swash plate (18), one side outer wall at swash plate (18) is seted up in through-hole (16), the aperture of through-hole (16) is less.

3. A plastics processing apparatus according to claim 2, wherein: stop gear (19) have been seted up to the inner wall of small opening (14), stop gear (19) include reset spring (20), heat-resisting rubber layer (21), limiting plate (22), magnetic head (23) and stopper (24), limiting plate (22) swing joint is at the inner wall of small opening (14), magnetic head (23) set up the one end outer wall at limiting plate (22), heat-resisting rubber layer (21) set up between small opening (14) and limiting plate (22), the one end and the small opening (14) inner wall fixed connection of reset spring (20), the other end and with limiting plate (22) fixed connection of reset spring (20), stopper (24) set up the below that is located limiting plate (22) at small opening (14) inner wall.

4. A plastics processing apparatus according to claim 1, wherein: the extrusion mechanism (10) comprises cylinders (25), pistons (26), connecting springs (27), circular plates (28) and extrusion grooves (29), the pistons (26) are connected through the connecting springs (27), the pistons (26) are movably connected to the inner wall of the double-layer cylinders (25), the circular plates (28) are fixedly connected to the inner wall of the cylinders (25), the extrusion grooves (29) are uniformly formed in the circular plates (28), and air cavities are reserved among the circular plates (28).

5. A plastics processing apparatus according to claim 4, wherein: the inner wall of the extrusion groove (29) is provided with a convex block (30), the convex block (30) is arc-shaped, and the outer wall of the extrusion groove (29) is provided with an annular extrusion device (31).

6. A plastics processing apparatus according to claim 5, wherein: extrusion device (31) include annular plate (32), elastic layer (33), connecting plate (34), movable rod (35) and extrusion head (36), evenly distributed's spout has been seted up on annular plate (32), movable rod (35) and spout sliding connection, extrusion head (36) set up on the spout, connect through elastic layer (33) between movable rod (35), the one end and the elastic layer (33) fixed connection of connecting plate (34), the other end and annular plate (32) outer wall fixed connection of connecting plate (34).