CN215396819U

CN215396819U - Plasticizing injection device for blow molding machine

Info

Publication number: CN215396819U
Application number: CN202121463765.0U
Authority: CN
Inventors: 王建森; 张兴尧
Original assignee: Changyi Luhong Plastic Machinery Co ltd
Current assignee: Changyi Luhong Plastic Machinery Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-01-04
Anticipated expiration: 2031-06-30

Abstract

The utility model provides a plasticizing injection device for a blow molding machine, which comprises a motor, a storage cylinder, an electromagnetic heater, a material conveying screw rod and a speed reducer, wherein a feeding hole is formed in one side of the storage cylinder, a discharging hole is formed in the other side of the storage cylinder, the feeding hole is connected with a filter material hopper, and a magnetic filtering mechanism and an electromagnetic lifting mechanism for controlling the intermittent lifting of the magnetic filtering mechanism are arranged in the filter material hopper. The intermittent work of the electromagnetic lifting mechanism causes the magnetic filtering mechanism to be continuously lifted and then fall, and the raw materials on the surface of the magnetic filtering mechanism are flattened in the process of up-and-down movement, so that the raw materials are prevented from being accumulated; meanwhile, the magnetic filtering mechanism has magnetism, plastic raw materials can pass through the magnetic filtering mechanism, metal objects or plastic raw materials with the volume larger than the allowable value of equipment can be left on the surface of the magnetic filtering mechanism, the clamping of a material conveying screw rod is avoided, and the magnetic filtering mechanism is simple in structure, safe and reliable.

Description

Plasticizing injection device for blow molding machine

Technical Field

The utility model belongs to the technical field of blow molding machines, and particularly relates to a plasticizing injection device for a blow molding machine.

Background

The plasticizing injection device drops into the storage barrel from the feed inlet earlier at the course of the work, and along with the rotation of defeated material screw rod is carried forward, and the plastic material is compacted gradually in transportation process, and the gas in the raw materials is discharged by the feed inlet, and under the effect of shearing heat when the outer electromagnetic heater of storage barrel and defeated material screw rod rotate, the raw materials becomes viscous state and finally extrudes from the discharge gate.

In the present feeding mode, often directly throw the raw materials into the feed inlet, the intraoral raw materials of feed inlet send partly back at defeated material screw rod, and the raw materials can be piled up in the feed inlet, and the bottom forms a cavity, just like sand pile has dud a hole, and the raw materials velocity of flow in the cavity is fast, and the raw materials velocity of flow in the cavity outside stops flowing slowly or even, and the raw materials can't contact with defeated material screw rod, just so can't leak the storage section of thick bamboo, has influenced machining efficiency. In addition, bolts or other metal objects loosened on the equipment can be mixed in the raw materials during transportation or storage, and once the metal objects enter the material storage barrel, the material conveying screw rod can be clamped, so that certain influence is generated on production work.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a plasticizing injection device with a filter material hopper for a blow molding machine, and solves the problems that in the prior art, the processing efficiency is low, and a metal object blocks a conveying screw rod.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

the utility model provides a plastify injection device for blowing machine, includes the storage section of thick bamboo, the outside cover of storage section of thick bamboo is equipped with multiunit axial distribution's electromagnetic heater, the inboard movable mounting of storage section of thick bamboo has defeated material screw rod, the one end of defeated material screw rod is passed the lateral wall of storage section of thick bamboo and is connected with the speed reducer transmission, the speed reducer is connected with the motor, one side of storage section of thick bamboo is equipped with the feed inlet, the opposite side of storage section of thick bamboo is equipped with the discharge gate, the feed inlet is connected with the filter material hopper.

As an optimal technical scheme, the filter material hopper comprises a hopper body, the hopper body is formed by assembling a straight discharging cylinder and a conical feeding cylinder, a connecting flange is arranged at the bottom of the straight discharging cylinder, a magnetic filtering mechanism is arranged inside the straight discharging cylinder, and an electromagnetic lifting mechanism used for controlling intermittent lifting of the magnetic filtering mechanism is arranged inside the conical feeding cylinder.

As a preferred technical scheme, electromagnetism is carried and is drawn mechanism and include mounting panel and electromagnet, the mounting panel relies on the tripod suspension on the axis of a feeding awl section of thick bamboo, electromagnet fixes the up end to the mounting panel, the lower terminal surface fixed mounting of mounting panel has spacing cover, magnetism filter mechanism's up end fixed mounting has the connecting rod, the tip of connecting rod stretches into in the spacing cover, and the tip fixed mounting of connecting rod has the adsorption plate, electromagnet's inside is equipped with the relay, under the control of relay, electromagnet carries out the intermittent type formula to the adsorption plate and adsorbs.

As an optimal technical scheme, a return spring is arranged in the limiting cover and sleeved on the connecting rod, and the return spring is abutted between the adsorption plate and the limiting cover.

As a preferred technical scheme, magnetic filter mechanism includes the casing, the outer wall of casing is fixed with the multiunit metal filter screen, the diameter of metal filter screen is unanimous with the diameter of the straight section of thick bamboo of ejection of compact, the inside of casing is equipped with lasts the electro-magnet of circular telegram, the connecting rod is fixed to the up end of casing.

As a preferred technical scheme, the feeding conical cylinder, the discharging straight cylinder and the connecting rod are all made of diamagnetic substances.

As a preferred technical scheme, the tail end of the discharging straight cylinder is provided with a circle of limiting seats extending towards the axis.

After the technical scheme is adopted, the utility model has the beneficial effects that:

the relay is arranged in the electromagnetic chuck, and under the control of the relay, the electromagnetic chuck intermittently adsorbs the adsorption plate, so that the magnetic filtering mechanism is continuously lifted and then falls down, and the raw material on the surface of the metal filter screen is flattened in the process of up-and-down movement, so that the raw material accumulation is avoided; meanwhile, the metal filter screen obtains magnetism under the action of the electromagnet, the plastic raw material can penetrate through the metal filter screen, metal objects or plastic raw materials with the volume larger than the allowable value of equipment can be remained on the surface of the metal filter screen, the clamping of a material conveying screw rod is avoided, and the metal filter screen is simple in structure, safe and reliable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

Fig. 2 is a schematic structural diagram of the filter material hopper.

In the figure: 1. the filter material hopper, 2, a feed inlet, 3, a speed reducer, 4, a motor, 5, a storage barrel, 6, a conveying screw rod, 7, an electromagnetic heater, 8, a feeding conical barrel, 9, a discharging straight barrel, 10, a tripod, 11, a mounting plate, 12, an electromagnetic chuck, 13, a return spring, 14, an adsorption plate, 15, a limiting cover, 16, a connecting rod, 17, a magnetic filtering mechanism, 18, a metal filter screen, 19, a limiting seat, 20 and a connecting flange.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments 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.

As shown in fig. 1, the plasticizing injection device for the blow molding machine provided by the utility model comprises a storage cylinder 5, wherein a plurality of groups of electromagnetic heaters 7 distributed axially are sleeved on the outer side of the storage cylinder 5, and a material conveying screw 6 is movably mounted on the inner side of the storage cylinder 5. Compare traditional heating methods, electromagnetic heater 7's thermal effect direct action has reduced the heat energy loss among the heat transfer process at the stack shell of storage cylinder 5 to rate of heating is more than the quarter fast, has reduced the heat time. One end of the material conveying screw 6 penetrates through the side wall of the material storage cylinder 5 to be in transmission connection with the speed reducer 3, the speed reducer 3 is connected with the motor 4, one side of the material storage cylinder 5 is provided with the feeding hole 2, the other side of the material storage cylinder 5 is provided with the discharging hole, and the feeding hole 2 is connected with the filter material hopper 1. The filter material hopper 1 has two functions: firstly, the method is used for flattening the raw materials to avoid the accumulation of the raw materials; and the filter is used for filtering metal objects or plastic raw materials with the volume larger than the allowable value of equipment, so that the feed screw is prevented from being clamped.

As shown in fig. 2, the filter material hopper 1 includes a hopper body, a magnetic filter mechanism 17, and an electromagnetic lifting mechanism. The hopper body is formed by the equipment of ejection of compact straight tube 9 and feeding awl section of thick bamboo 8, and the bottom of ejection of compact straight tube 9 is equipped with flange 20 that is used for connecting feed inlet 2, and magnetic filter mechanism 17 is established in the inside of ejection of compact straight tube 9 for the electromagnetism that control magnetic filter mechanism 17 intermittent type nature goes up and down is carried and is drawn the mechanism and then is established in the inside of feeding awl section of thick bamboo 8. The electromagnetic lifting mechanism comprises a mounting plate 11 and an electromagnetic chuck 12, the mounting plate 11 is suspended on the central axis of the feeding conical cylinder 8 through a tripod 10, the electromagnetic chuck 12 is fixed to the upper end face of the mounting plate 11, and a limiting cover 15 is fixedly mounted on the lower end face of the mounting plate 11. The upper end face of the magnetic filtering mechanism 17 is fixedly provided with a connecting rod 16, the end part of the connecting rod 16 extends into the limiting cover 15, and the end part of the connecting rod 16 is fixedly provided with an adsorption plate 14. The magnetic filtering mechanism 17 comprises a shell, a plurality of groups of metal filter screens 18 are fixed on the outer wall of the shell, the diameters of the metal filter screens 18 are consistent with the diameter of the discharging straight cylinder 9, an electromagnet which is continuously electrified is arranged inside the shell, and the connecting rod 16 is fixed on the upper end face of the shell. The inside of electromagnetic chuck 12 is equipped with the relay, and under the control of relay, electromagnetic chuck 12 carries out intermittent type formula absorption to adsorption plate 14, causes metal filter screen 18 constantly to be mentioned then whereabouts again, and the raw materials on metal filter screen 18 surface is shakeout at the in-process of up-and-down motion, has avoided piling up of raw materials. The metal filter screen 18 obtains magnetism under the action of the electromagnet, the plastic raw material can pass through the metal filter screen 18, and metal objects or plastic raw materials with the volume larger than the allowable value of equipment can be remained on the surface of the metal filter screen 18, so that the material conveying screw 6 is prevented from being clamped.

As shown in fig. 2, in order to prevent the metal screen 18 from falling off and falling into the storage cylinder 5, a ring of limiting seats 19 extending toward the axis are provided at the end of the discharging straight cylinder 9. A return spring 13 is arranged in the limit cover 15, the return spring 13 is sleeved on the connecting rod 16, and the return spring 13 abuts between the adsorption plate 14 and the limit cover 15. When the amount of the raw material of the metal filter screen 18 increases, the return spring 13 is compressed and accumulates potential energy under the action of gravity, and when the relay pole works, the electromagnetic chuck 12 instantly obtains magnetism to start attracting the attraction plate 14, and the potential energy of the return spring 13 is released, thereby contributing to the lifting of the whole magnetic filter mechanism 17. In order to avoid the influence of the electromagnet and the electromagnetic chuck 12 on each part, the feeding conical cylinder 8, the discharging straight cylinder 9 and the connecting rod 16 are all made of diamagnetic substances.

When in work, the raw material falls into the metal filter screen 18 from the feeding cone 8, the metal filter screen 18 obtains magnetism under the action of the electromagnet, the plastic raw material can pass through the metal filter screen 18, metal objects or plastic raw materials with the volume larger than the allowable value of the equipment can be intercepted on the surface of the metal filter screen 18, and simultaneously, under the control of the relay, the electromagnetic chuck 12 intermittently adsorbs the adsorption plate 14, under the action of the connecting rod 16, the metal filter screen 18 is continuously lifted and then falls, the raw material on the surface of the metal filter screen 18 falls into the feed inlet 2 after being flattened in the process of up-and-down movement, and is conveyed forwards along with the rotation of the material conveying screw 6, during the conveying process, the plastic raw materials are gradually compacted, gas in the raw materials is discharged from the feeding hole 2, and under the action of shearing heat when the electromagnetic heater 7 outside the material storage barrel 5 and the material conveying screw rotate, the raw materials are changed into viscous state and are finally extruded from the discharging hole.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a plastify injection device for blowing machine which characterized in that: including storage cylinder (5), the outside cover of storage cylinder (5) is equipped with electromagnetic heater (7) of multiunit axial distribution, the inboard movable mounting of storage cylinder (5) has defeated material screw rod (6), the lateral wall that storage cylinder (5) was passed to the one end of defeated material screw rod (6) is connected with speed reducer (3) transmission, speed reducer (3) are connected with motor (4), one side of storage cylinder (5) is equipped with feed inlet (2), the opposite side of storage cylinder (5) is equipped with the discharge gate, feed inlet (2) are connected with filter material hopper (1).

2. A plasticizing injection device for a blow molding machine as defined in claim 1, characterized in that: the filter material hopper (1) comprises a hopper body, the hopper body is formed by assembling a discharging straight cylinder (9) and a feeding conical cylinder (8), a connecting flange (20) is arranged at the bottom of the discharging straight cylinder (9), a magnetic filtering mechanism (17) is arranged inside the discharging straight cylinder (9), and an electromagnetic lifting mechanism used for controlling intermittent lifting of the magnetic filtering mechanism (17) is arranged inside the feeding conical cylinder (8).

3. A plasticizing injection device for a blow molding machine as defined in claim 2, characterized in that: the electromagnetism is carried and is drawn mechanism and include mounting panel (11) and electromagnet (12), mounting panel (11) are through tripod (10) suspension on the axis of feeding awl section of thick bamboo (8), electromagnet (12) are fixed to the up end of mounting panel (11), the lower terminal surface fixed mounting of mounting panel (11) has spacing cover (15), the up end fixed mounting of magnetic filter mechanism (17) has connecting rod (16), the tip of connecting rod (16) stretches into in spacing cover (15), and the tip fixed mounting of connecting rod (16) has adsorption plate (14), the inside of electromagnet (12) is equipped with the relay, under the control of relay, electromagnet (12) carry out intermittent type absorption to adsorption plate (14).

4. A plasticizing injection device for a blow molding machine as defined in claim 3, characterized in that: be equipped with reset spring (13) in spacing cover (15), and reset spring (13) cover is on connecting rod (16), reset spring (13) support between adsorption plate (14) and spacing cover (15).

5. A plasticizing injection device for a blow molding machine as defined in claim 3, characterized in that: magnetic filter mechanism (17) includes the casing, the outer wall of casing is fixed with multiunit metal filter screen (18), the diameter of metal filter screen (18) is unanimous with the diameter of the straight section of thick bamboo of ejection of compact (9), the inside of casing is equipped with the electro-magnet of lasting circular telegram, connecting rod (16) are fixed to the up end of casing.

6. A plasticizing injection device for a blow molding machine as defined in claim 3, characterized in that: the feeding conical cylinder (8), the discharging straight cylinder (9) and the connecting rod (16) are all made of diamagnetic substances.

7. A plasticizing injection device for a blow molding machine as defined in claim 5, characterized in that: the tail end of the discharging straight cylinder (9) is provided with a circle of limiting seats (19) extending to the axis.