CN218906120U

CN218906120U - PP plastic injection molding machine

Info

Publication number: CN218906120U
Application number: CN202223060413.8U
Authority: CN
Inventors: 郭长江; 王丽雅; 迟月凤
Original assignee: Dalian Huijia Plastic Products Co ltd
Current assignee: Dalian Huijia Plastic Products Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-04-25
Anticipated expiration: 2032-11-17

Abstract

The utility model relates to the technical field of injection molding machines, and discloses a PP plastic injection molding machine, which comprises a material conveying cylinder, a material conveying motor arranged on the right side of the material conveying cylinder and a material discharging channel arranged on the left side of the material conveying cylinder, wherein a feeding mechanism for crushing PP plastic particles is arranged above the material conveying cylinder, a sealing mechanism for preventing raw materials from overflowing is arranged on the left side of the material conveying cylinder and positioned on the outer surface of the material discharging channel, and the feeding mechanism comprises a feeding box arranged above the material conveying cylinder. This PP plastic injection molding machine has solved the injection molding machine that uses and has added the inside of defeated feed cylinder with plastic granules and heat when using and melt and carry to discharge channel, if meet plastic granules great then can appear melting incompletely to influence the product quality of later stage, at the in-process of annotating the material simultaneously, discharge channel is not high with the pouring gate leakproofness of mould, leads to the problem that the raw materials can overflow.

Description

PP plastic injection molding machine

Technical Field

The utility model relates to the technical field of injection molding machines, in particular to a PP plastic injection molding machine.

Background

The injection molding machine is widely applied to the production of products such as plastics, rubber and the like, PP plastic particles are heated and fused in a machine barrel of the injection molding machine, and the heated plastic particles are in a gluing state and then extruded into a mold for cooling and molding.

The injection molding machine that uses adds the inside of carrying the feed cylinder with plastic granules and heats when using and melt and carry to discharge channel, if meet that plastic granules is great then can appear melting incompletely to influence later stage's product quality, at the in-process of annotating the material simultaneously, discharge channel is not high with the pouring gate leakproofness of mould, leads to the raw materials can overflow.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a PP plastic injection molding machine which has the advantages that raw materials with larger particles are crushed, the quality of products is ensured, meanwhile, the tightness of a discharge channel and a mold is ensured, and the problems that the raw materials can overflow due to the fact that the plastic particles are added into the conveying cylinder to be heated and melted and conveyed to the discharge channel when the common injection molding machine is used, the quality of the products in the later stage is affected because incomplete melting occurs when the plastic particles are larger are solved, and meanwhile, the tightness of the discharge channel and a pouring opening of the mold is not high in the process of material injection are solved.

(II) technical scheme

The technical scheme for solving the technical problems is as follows: the PP plastic injection molding machine comprises a material conveying cylinder, a material conveying motor arranged on the right side of the material conveying cylinder and a material discharging channel arranged on the left side of the material conveying cylinder, wherein a feeding mechanism for crushing PP plastic particles is arranged above the material conveying cylinder, and a sealing mechanism for preventing raw materials from overflowing is arranged on the left side of the material conveying cylinder and positioned on the outer surface of the material discharging channel;

the feeding mechanism comprises a feeding box arranged above a feeding cylinder, a fixing frame is arranged on the back surface of the feeding box, a crushing motor is arranged on the fixing frame, a plurality of groups of crushing rollers are rotatably arranged in the feeding box through a plurality of groups of rotating rods, gears are arranged on the rotating rods, one group of rotating rods are connected with the crushing motor, first limiting rods are arranged on two sides of the inner wall of the feeding box, scraping plates are slidably arranged on the first limiting rods, a first spring is connected to the surface of each scraping plate, and connecting pipes are arranged below the feeding box;

the sealing mechanism comprises a plurality of groups of protective shells arranged on the material conveying cylinder, mounting plates are arranged on the peripheral surfaces of the material conveying cylinder, second limiting rods are arranged on the surfaces of the mounting plates, moving blocks are arranged on the surfaces of the second limiting rods, and second springs are sleeved on the second limiting rods.

Preferably, the end of the first limiting rod is fixedly provided with a baffle, the first spring is sleeved on the surface of the first limiting rod, one end of the first spring is arranged on the inner wall of the charging box, and the other end of the first spring is arranged on the surface of the scraping plate.

Preferably, the oblique stop block is arranged in the feeding box, and the feeding box is communicated with the material conveying cylinder through a connecting pipe.

Preferably, a connecting rod is arranged on the outer side of the moving block, and the protective shell is connected with the moving block through the connecting rod.

Preferably, one end of the second spring is mounted on the surface of the moving block, and the other end of the second spring is mounted on the surface of the mounting plate.

The beneficial effects of the utility model are as follows:

1) This PP plastics injection molding machine, when using, throw into the charging box with the raw materials inside, drive crushing roller through crushing motor and rotate, smash great granule to guarantee the quality of product, strike off the residual granule on crushing roller surface through the scraper blade at kibbling in-process, make the raw materials collect completely, the raw materials after the processing completion falls into the inside of defeated feed cylinder through the connecting pipe afterwards, can pour into the mould with fused raw materials afterwards into, simple structure.

2) This PP plastics injection molding machine, the actuating mechanism on the in-process injection molding machine of annotating the material drives the direction removal of the mould that the defeated feed cylinder was towards, the protective housing first contacts the notes material mouth of mould, at this moment the discharge channel continuously removes to the notes material mouth inside of entering mould can make the protective housing hug closely the notes material mouth surface of mould under the effect of second spring, form sealedly, thereby effectively prevent that the raw materials from spilling over, the defeated feed cylinder resets and drives the protective housing under the effect of second spring after annotating the material and reset, at this moment can provide certain protection for the discharge channel.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the installation structure of the pulverizing motor of the present utility model;

FIG. 3 is a schematic view of the internal structure of the feeding box of the present utility model;

FIG. 4 is an enlarged view of the utility model at A in FIG. 3;

FIG. 5 is a schematic view of the mounting structure of the protective housing of the present utility model;

fig. 6 is an enlarged view of fig. 5 at B in accordance with the present utility model.

In the figure: 1. a feed delivery cylinder; 2. a material conveying motor; 3. a discharge channel; 4. a charging mechanism; 401. a charging box; 402. a fixing frame; 403. a crushing motor; 404. a pulverizing roller; 405. a gear; 406. a first stop lever; 407. a scraper; 408. a first spring; 409. a connecting pipe; 5. a sealing mechanism; 501. a protective shell; 502. a mounting plate; 503. a second limit rod; 504. a moving block; 505. and a second spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

1-4, a PP plastic injection molding machine comprises a feed cylinder 1, a feed motor 2 arranged on the right side of the feed cylinder 1 and a discharge channel 3 arranged on the left side of the feed cylinder 1, wherein a feeding mechanism 4 for crushing PP plastic particles is arranged above the feed cylinder 1;

the charging mechanism 4 comprises a charging box 401 arranged above the feeding barrel 1, a fixing frame 402 is arranged on the back surface of the charging box 401, a crushing motor 403 is arranged on the fixing frame 402, a plurality of groups of crushing rollers 404 are rotatably arranged in the charging box 401 through a plurality of groups of rotating rods, gears 405 are arranged on the plurality of groups of rotating rods, one group of rotating rods are connected with the crushing motor 403, first limiting rods 406 are arranged on two sides of the inner wall of the charging box 401, scraping plates 407 are slidably arranged on the first limiting rods 406, a first spring 408 is connected with the surface of each scraping plate 407, and connecting pipes 409 are arranged below the charging box 401.

Specifically, the end fixed mounting of first gag lever post 406 has the baffle, and first spring 408 cover is established on the surface of first gag lever post 406, and the inner wall at charging box 401 is installed to one end of first spring 408, and the surface at scraper blade 407 is installed to the other end, can guarantee through this structure that sets up that scraper blade 407 hugs closely the surface of smashing roller 404 all the time, scrapes the residual raw materials on smashing roller 404 surface.

Specifically, install oblique dog in charging box 401, charging box 401 communicates with defeated feed cylinder 1 through connecting pipe 409, and the effect of oblique dog is to guarantee that the raw materials can fall completely, can not remain inside charging box 401.

In the second embodiment, as shown in fig. 1, fig. 5 and fig. 6, on the basis of the first embodiment, a sealing mechanism 5 for preventing raw materials from overflowing is installed on the left side of the feeding cylinder 1 and on the outer surface of the discharging channel 3, the sealing mechanism 5 comprises a plurality of groups of protecting shells 501 arranged on the feeding cylinder 1, mounting plates 502 are installed on the peripheral surfaces of the feeding cylinder 1, second limiting rods 503 are installed on the surfaces of the mounting plates 502, moving blocks 504 are arranged on the surfaces of the second limiting rods 503, and second springs 505 are sleeved on the second limiting rods 503.

Specifically, the connecting rod is installed in the outside of movable block 504, is connected through the connecting rod between protective housing 501 and the movable block 504, can guarantee the stability of protective housing 501 in the removal in-process through this structure that sets up, also can guarantee the leakproofness of protective housing 501 simultaneously.

Specifically, one end of the second spring 505 is mounted on the surface of the moving block 504, and the other end is mounted on the surface of the mounting plate 502, and the tightness of connection between the protective shell 501 and the mold injection port can be ensured through the structure, so that raw materials cannot overflow.

Working principle: when the novel material feeding device is used, raw materials are put into the charging box 401, the crushing motor 403 drives the crushing roller 404 to rotate, larger particles are crushed, the quality of products is guaranteed, residual particles on the surface of the crushing roller 404 are scraped through the scraping plate 407 in the crushing process, the raw materials are completely collected, then the processed raw materials fall into the feeding barrel 1 through the connecting pipe 409, the melted raw materials can be injected into a die, a driving mechanism on an injection molding machine drives the feeding barrel 1 to move towards the direction of the die in the material injection process, the protecting shell 501 is firstly contacted with the material injection port of the die, at the moment, the discharging channel 3 continuously moves and enters the material injection port of the die, the protecting shell 501 can be tightly attached to the surface of the material injection port of the die under the action of the second spring 505, sealing is formed, the raw materials are effectively prevented from overflowing, the feeding barrel 1 is reset under the action of the second spring 505, and a certain protection can be provided for the discharging channel 3.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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, the element defined by the phrase "comprising one … …" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element, while the terms "left", "right", "top" and "bottom" as used herein refer to the elements as placed in fig. 1. The terms "front" and "rear" as used herein refer to the operator facing the dispensing device, being closer to the operator than the operator, and farther from the operator than the operator.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PP plastics injection molding machine, includes defeated feed cylinder (1), installs defeated material motor (2) on defeated feed cylinder (1) right side and installs at defeated left discharge channel (3) of feed cylinder (1), its characterized in that: a feeding mechanism (4) for crushing PP plastic particles is arranged above the material conveying cylinder (1), and a sealing mechanism (5) for preventing raw materials from overflowing is arranged on the left side of the material conveying cylinder (1) and positioned on the outer surface of the material discharging channel (3);

the feeding mechanism (4) comprises a feeding box (401) arranged above a feeding cylinder (1), a fixing frame (402) is arranged on the back surface of the feeding box (401), a plurality of groups of crushing rollers (404) are rotatably arranged in the feeding box (401) through a plurality of groups of rotating rods, gears (405) are arranged on the rotating rods, one group of rotating rods are connected with the crushing motors (403), first limiting rods (406) are arranged on two sides of the inner wall of the feeding box (401), scraping plates (407) are slidably arranged on the first limiting rods (406), a first spring (408) is connected to the surface of each scraping plate (407), and a connecting pipe (409) is arranged below the feeding box (401);

sealing mechanism (5) are including setting up multiunit protective housing (501) on defeated feed cylinder (1), mounting panel (502) are all installed to defeated feed cylinder (1) surface all around, second gag lever post (503) are all installed on the surface of mounting panel (502), the surface of second gag lever post (503) is provided with movable block (504), the cover is equipped with second spring (505) on second gag lever post (503).

2. The PP plastic injection molding machine of claim 1, wherein: the end fixed mounting of first gag lever post (406) has the baffle, first spring (408) cover is established on the surface of first gag lever post (406), and the inner wall at charging box (401) is installed to one end of first spring (408), and the surface at scraper blade (407) is installed to the other end.

3. The PP plastic injection molding machine of claim 1, wherein: the feeding box (401) is internally provided with an inclined stop block, and the feeding box (401) is communicated with the feeding barrel (1) through a connecting pipe (409).

4. The PP plastic injection molding machine of claim 1, wherein: the connecting rod is arranged on the outer side of the moving block (504), and the protecting shell (501) is connected with the moving block (504) through the connecting rod.

5. The PP plastic injection molding machine of claim 1, wherein: one end of the second spring (505) is arranged on the surface of the moving block (504), and the other end of the second spring is arranged on the surface of the mounting plate (502).