CN110919955A

CN110919955A - Intelligent foamed plastic forming equipment

Info

Publication number: CN110919955A
Application number: CN201911232614.1A
Authority: CN
Inventors: 冯家富
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-03-27

Abstract

The invention discloses an intelligent foam plastic forming device, which structurally comprises a cover plate, a charging barrel, a control valve, a case, a plastic outlet and a control box, wherein the control box is arranged on one side of the case, the charging barrel is arranged at the top end of the case, the cover plate is arranged right above the charging barrel and is connected with the charging barrel by hinges, the control valve is arranged right below the charging barrel, and the plastic outlet is arranged right below the control valve on the case. Thereby generating a forming defect.

Description

Intelligent foamed plastic forming equipment

Technical Field

The invention relates to the field of foamed plastics, in particular to intelligent foamed plastic forming equipment.

Background

Foamed plastic is a very common plastic material in modern times and is a very widely used plastic material. It means that the plastic produces a cellular structure. In fact, such foams can be produced as foams, essentially all thermosetting or thermoplastic plastics. The types of resins used for manufacturing plastics are polyurethane, polyethylene, phenol, and the like, which are common at present, and during molding, the plastic is short due to insufficient filling or insufficient molding caused by the fact that the molten injection molding resin is cooled and hardened before completely filling the mold cavity, and the volume of the plastic entering the mold cavity is insufficient due to insufficient injection molding speed.

Disclosure of Invention

Aiming at the defects of the prior art, the invention is realized by the following technical scheme: the utility model provides an intelligence foamed plastic former, its structure includes apron, feed cylinder, control valve, quick-witted case, plastics export, control box, the control box is installed to machine case one side, the feed cylinder is installed on machine case top, be equipped with the apron directly over the feed cylinder, apron and feed cylinder adopt the loose-leaf to connect, install the control valve under the feed cylinder, install the plastics export on the quick-witted case of control valve directly below.

As the further optimization of the technical scheme, the charging barrel is provided with a turnover system, a counterweight mechanism, an injection molding pipe and an extrusion pipe, the counterweight mechanism is arranged inside the extrusion pipe, the counterweight mechanism is movably connected with the extrusion pipe, the extrusion pipe is externally provided with more than two injection molding pipes, the injection molding pipes are movably matched with the extrusion pipe, the turnover system is arranged right above the counterweight mechanism, the turnover system and the counterweight mechanism are tied together through a rope, and the extrusion pipe is arranged at the top end of a case.

As a further optimization of the technical scheme, the extrusion pipe is of an inverted frustum structure with a wide upper part and a narrow lower part, and the problem of insufficient plastic supply is prevented by changing the diameter of the plastic outlet, reducing the caliber, accelerating the plastic flow speed.

As a further optimization of the technical scheme, more than two injection molding pipes are arranged and divided into two groups, the distribution positions of the two groups of injection molding pipes are symmetrical about the center of the extrusion pipe, and the pipe orifices of the two groups of injection molding pipes are arranged in a staggered mode

As the further optimization of this technical scheme, counter weight mechanism comprises rope binding rod and balancing weight, balancing weight and extrusion pipe inner wall adopt sliding fit, be equipped with rope binding rod in the middle of the balancing weight top section is positive, rope binding rod and balancing weight vertical fixation, rope binding rod and turnover system clearance fit.

As a further optimization of the technical scheme, the turnover system is provided with a motor, a shaft rod, a second rope binding rod and a rope binding rod, the second rope binding rod is installed at the tail end of the motor output shaft, the second rope binding rod and the motor output shaft are fixed together through the shaft rod, the second rope binding rod and the motor output shaft are perpendicular to each other, the rope binding rod is installed at the tail end of the second rope binding rod, the rope binding rod is bound with the rope binding rod, and the motor is located right above the extrusion pipe.

Advantageous effects

Compared with the prior art, the intelligent foamed plastic forming equipment has the following advantages:

1. the invention has the sectional design that the injection molding pipe and the extrusion pipe are wide at the upper part and narrow at the lower part, and simultaneously, the injection molding of plastics avoids the defect of forming caused by insufficient filling of plastic raw materials in a mold.

2. The counterweight block and the extrusion pipe are matched with each other to extrude downwards, when plastic flows downwards, the bottommost end of the extrusion pipe is cooled and solidified or the plastic stops due to sudden narrowing of a flow passage, after the pressure is increased, the stop time can be reduced, and the plastic is prevented from falling in a peak shape to cause uneven filling, so that the forming defect is generated.

3. The invention not only adopts more than two injection pipes for simultaneous injection, but also the injection pipes are staggered, thereby avoiding convection conflict, avoiding the friction heat and the foaming phenomenon of the plastic, ensuring that the extruded plastic is uniform and has perfect forming.

4. The invention controls the counterweight mechanism to do periodic reciprocating motion through the turnover system, periodically ascends and descends the counterweight block, and when the counterweight block is pressed down after the counterweight block is ascended, the injection molding pipe is just injected and can be pressed down, thereby realizing the intelligent control of the counterweight mechanism.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic perspective view of an intelligent foam molding apparatus according to the present invention.

Fig. 2 is a schematic partial cross-sectional view of a cartridge according to the present invention.

Figure 3 is a schematic cross-sectional view of a cartridge according to the invention in use.

Fig. 4 is a schematic perspective view of the counterweight mechanism of the present invention.

FIG. 5 is a schematic perspective view of an injection molded tube according to the present invention.

Fig. 6 is a partial side schematic view of a cartridge of the present invention.

In the figure: the device comprises a cover plate 1, a charging barrel 2, a control valve 3, a case 4, a plastic outlet 5, a control box 6, a turnover system a, a counterweight mechanism b, an injection molding pipe c, an extrusion pipe d, a rope binding rod b1, a counterweight block b2, a motor a1, a shaft rod a2, a second rope binding rod a3 and a rope binding a 4.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.

Examples

Referring to fig. 1-6, the invention provides an intelligent foamed plastic molding device, which structurally comprises a cover plate 1, a charging barrel 2, a control valve 3, a case 4, a plastic outlet 5 and a control box 6, wherein the control box 6 is installed on one side of the case 4, the charging barrel 2 is installed at the top end of the case 4, the cover plate 1 is arranged right above the charging barrel 2, the cover plate 1 and the charging barrel 2 are connected by hinges, the control valve 3 is installed right below the charging barrel 2, and the plastic outlet 5 is installed on the case 4 right below the control valve 3.

The charging barrel 2 is provided with a turnover system a, a counterweight mechanism b, an injection molding pipe c and an extrusion pipe d, the counterweight mechanism b is arranged inside the extrusion pipe d, the counterweight mechanism b is movably connected with the extrusion pipe d, the extrusion pipe d is externally provided with more than two injection molding pipes c, the injection molding pipes c are movably matched with the extrusion pipe d, the turnover system a is arranged right above the counterweight mechanism b, the turnover system a is tied with the counterweight mechanism b through a rope, and the extrusion pipe d is arranged at the top end of the case 4.

The extrusion pipe d is of an inverted table-shaped structure with a wide upper part and a narrow lower part, and the diameter of the plastic outlet is changed to reduce the caliber, accelerate the plastic flowing speed and prevent the problem of insufficient plastic supply.

The injection molding pipes c are divided into two groups, the distribution positions of the two groups of injection molding pipes c are centrosymmetric about the extrusion pipe d, the pipe orifices of the two groups of injection molding pipes c are staggered and arranged to form sectional injection from top to bottom, and plastic is injected in multiple directions, does not collide, generates friction heat and generates bubbles, so that the formed foamed plastic is uneven

Counter weight mechanism b comprises rope binding pole b1 and balancing weight b2, balancing weight b2 and extrusion pipe d inner wall adopt sliding fit, balancing weight b2 top section centre is equipped with rope binding pole b1, rope binding pole b1 and balancing weight b2 vertical fixation, rope binding pole b1 and turnover system a clearance fit utilize the pressure that balancing weight b2 whereabouts produced, extrude plastics, avoid the change of bore, cause the dead time overlength of plastics.

The turnover system a is provided with a motor a1, a shaft rod a2, a second rope binding rod a3 and a rope binding a4, the tail end of an output shaft of the motor a1 is provided with the second rope binding rod a3, the second rope binding rod a3 and an output shaft of the motor a1 are fixed together through the shaft rod a2, the output shaft of the second rope binding rod a3 and the output shaft of the motor a1 are perpendicular to each other, the tail end of the second rope binding rod a3 is provided with the rope binding a4, the rope binding rod a4 and the rope binding rod b1 are bound, the motor a1 is located right above the extrusion pipe d, the counterweight block b2 is periodically lifted and lowered through periodic reciprocating motion, and when the injection molding pipe c is just molded and can be lowered after being lifted.

Plastics are injected into the extrusion pipe d in a sectional mode through more than two injection molding pipes c, the entering amount of the plastics is increased, the injection molding pipes c are arranged in a staggered mode, convection conflict cannot occur, the phenomena of friction heat and plastic foaming are avoided, the plastics are foamed uniformly, then the plastics are extruded from the extrusion pipe d with a wide upper part and a narrow lower part, the caliber is reduced, the flowing speed of the plastics is accelerated, and the discharging speed is further improved, in addition, a motor a1 of a turnover system a is adopted to drive a second rope binding rod a3 to ascend or descend, the total length of a rope binding a4 is adjusted, a counterweight mechanism b is controlled to do periodic reciprocating motion, a counterweight block b2 ascends and descends periodically, and when the injection molding pipes c are just injected after ascending and downwards pressed, the intelligent control of the counterweight mechanism b can be realized, the counterweight block b2 is downwards extruded, when the bottommost end of the plastic downwards flow extrusion pipe d is cooled and solidified or the plastics are suddenly narrowed due to stagnation of a flow channel, after the pressure is increased, the dead time can be reduced, and the phenomenon that the plastic falls in a peak shape to cause uneven filling and further cause forming defects is avoided.

While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an intelligence foam molding equipment which characterized in that: the structure of the plastic feeding machine comprises a cover plate (1), a feed cylinder (2), a control valve (3), a machine case (4), a plastic outlet (5) and a control box (6), wherein the control box (6) is installed on one side of the machine case (4), the feed cylinder (2) is installed on the top end of the machine case (4), the cover plate (1) is arranged right above the feed cylinder (2), the control valve (3) is installed right below the feed cylinder (2), and the plastic outlet (5) is installed on the machine case (4) right below the control valve (3).

2. The intelligent foam molding apparatus of claim 1, wherein: feed cylinder (2) are equipped with turnover system (a), counter weight mechanism (b), mould plastics pipe (c), extrusion pipe (d) inside is equipped with counter weight mechanism (b), extrusion pipe (d) outside is equipped with the pipe (c) of moulding plastics more than two, be equipped with turnover system (a) directly over counter weight mechanism (b), turnover system (a) and counter weight mechanism (b) are in the same place through the rope system, install on quick-witted case (4) top extrusion pipe (d).

3. The intelligent foam molding apparatus of claim 2, wherein: the extrusion pipe (d) is of an inverted truncated cone-shaped structure with a wide upper part and a narrow lower part.

4. The intelligent foam molding apparatus of claim 2, wherein: the injection molding pipes (c) are divided into two groups, the distribution positions of the two groups of injection molding pipes (c) are centrosymmetric about the extrusion pipe (d), and the pipe orifices of the two groups of injection molding pipes (c) are arranged in a staggered manner.

5. The intelligent foam molding apparatus of claim 2, wherein: counter weight mechanism (b) comprises rope binding pole (b 1) and balancing weight (b 2), sliding fit is adopted with extrusion pipe (d) inner wall in balancing weight (b 2), balancing weight (b 2) top section centre is equipped with rope binding pole (b 1), rope binding pole (b 1) and balancing weight (b 2) vertical fixation, rope binding pole (b 1) and turnover system (a) clearance fit.

6. The intelligent foam molding apparatus of claim 2, wherein: the turnover system (a) is provided with a motor (a 1), a shaft rod (a 2), a second rope binding rod (a 3) and a rope binding rod (a 4), the tail end of an output shaft of the motor (a 1) is provided with the second rope binding rod (a 3), the second rope binding rod (a 3) and the output shaft of the motor (a 1) are fixed together through the shaft rod (a 2), the tail end of the second rope binding rod (a 3) is provided with the rope binding rod (a 4), and the rope binding rod (a 4) and the rope binding rod (b 1) are bound.