CN112238561B

CN112238561B - Injection molding machine for manufacturing modified starch-based plastic products

Info

Publication number: CN112238561B
Application number: CN202011395503.5A
Authority: CN
Inventors: 袁守汶; 李高峰
Original assignee: Shandong Sidake Biodegradable Technology Co ltd
Current assignee: Shandong Sidake Biodegradable Technology Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-04-20
Anticipated expiration: 2040-12-03
Also published as: CN112238561A

Abstract

The invention discloses an injection molding machine for manufacturing modified starch-based plastic products, which comprises a mounting frame body and an injection molding machine body, wherein the bottom of the mounting frame body is provided with an operating table, the injection molding machine body is mounted at the top of the mounting frame body, the injection molding machine body comprises a mounting shell, a liquid supply chamber, an extrusion mechanism, a first injection molding mechanism and a second injection molding mechanism which are mounted in the mounting shell, when the first injection molding mechanism is blocked, the first spring on the first push column is in a compressed state and is connected with the first shell to slide along the first guide rail, then the end part of the second push rod pushes against the sliding block, so that the sliding block moves, the sensor detects the movement of the sliding block, and then the electromagnet is electrified, the electromagnet attracts the first stop block, the first stop block is separated from the bottom of the second push block, the first stop block cancels the locking of the second push block, the extrusion mechanism can provide power for the second push block, and the second push block is enabled to extrude the molten plastic in the second extrusion molding shell.

Description

Injection molding machine for manufacturing modified starch-based plastic products

Technical Field

The invention relates to the technical field of injection molding machines, in particular to an injection molding machine for manufacturing modified starch-based plastic products.

Background

An injection molding machine is also known as an injection molding machine or an injection machine. The plastic product forming device is mainly used for manufacturing thermoplastic plastics or thermosetting plastics into plastic products with various shapes by utilizing a plastic forming die, when the plastic products are produced by an injection molding machine, if the injection molding machine is blocked, the production of the plastic products is interrupted, so that the material waste is caused, and the production efficiency of the plastic products is slowed down in the process of maintaining the injection molding machine.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide an injection molding machine for manufacturing modified starch-based plastic products.

In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.

An injection molding machine for manufacturing modified starch-based plastic products, comprising:

the injection molding machine comprises an installation shell, a liquid supply chamber, an extrusion mechanism, a first injection molding mechanism and a second injection molding mechanism are arranged in the installation shell, molten plastic is filled in the liquid supply chamber, the liquid supply chamber is connected with the first injection molding mechanism and the second injection molding mechanism and can provide the molten plastic for the first injection molding mechanism and the second injection molding mechanism, the extrusion mechanism is used for providing pressure for the first injection molding mechanism and the second injection molding mechanism, the extrusion mechanism comprises a power mechanism, a pressing plate, a first push column, a second push column, a first push block, a second push block and a connecting rod, the power mechanism is arranged at the top of the installation shell, the pressing plate is connected to the bottom of the power mechanism, the pressing plate is horizontally arranged, the first push column and the second push column are vertically arranged at the bottom of the pressing plate, and the first push block and the second push block are respectively arranged at the first push column, The push post I and the push post II are respectively sleeved in the guide sleeves of the push block I and the push block II, hydraulic transmission is respectively carried out between the push post I and the push block I and between the push post II and the push block II, the push post I and the push post II are sleeved with a spring I, the injection molding mechanism I comprises an extrusion molding shell I and a material passing pipe I, the injection molding mechanism II comprises an extrusion molding shell II and a material passing pipe II, the extrusion molding shell I is positioned below the push block I, the extrusion molding shell II is positioned below the push block II, the push block I is sleeved in the extrusion molding shell I, the push block II is sleeved in the extrusion molding shell II, the material passing pipe I is communicated between the extrusion molding shell I and a liquid supply chamber, the material passing pipe II is communicated between the extrusion molding shell II and the liquid supply chamber, a communicating pipe is communicated between the bottom of the extrusion molding shell I and the bottom of the extrusion molding shell II, an extrusion head is communicated on the communicating pipe, and a power mechanism pushes the pressing plate to move downwards, and then the first push column and the second push column push the first push block and the second push block to move downwards, so that the molten plastic in the first extrusion molding shell and the second extrusion molding shell is extruded.

As a further improvement of the technical scheme, a trigger switching mechanism is arranged between the first pushing block and the second pushing block and comprises a first guide rail, a first connecting shell, a first connecting rod, a first guide block, a second guide rail, a second connecting shell, a second connecting rod, a second guide block, a trigger piece, an unlocking assembly and a push rod, wherein the first guide rail is horizontally arranged at the top of the first pushing block, the first connecting shell is connected to the first guide rail in a sliding manner, a first guide groove is formed in the plate surface of the first connecting shell and is obliquely arranged, the first connecting rod is vertically arranged at the bottom of the press plate, the first guide block which is matched with the first guide groove in a sliding manner is arranged at the bottom of the first connecting rod, the second guide rail is horizontally arranged at the top of the second pushing block and is connected to the second connecting shell in a sliding manner, a second guide groove is formed in the plate surface of the second connecting shell and, the bottom of the second connecting rod is provided with a second guide block which is matched with the second guide groove in a sliding guide mode, a first push rod is arranged on the second connecting shell, a second push rod is arranged on the first connecting shell, an unlocking assembly is arranged between the first push rod and the second push rod, and the unlocking assembly can switch the second injection molding mechanism to work.

As a further improvement of this technical scheme, the unblock subassembly includes the guide casing, the sliding block, a sensor, branch, dog one, dog two, the electro-magnet, guide casing fixed connection is in the installation casing, the sliding block cover is located in the guide casing, the sensor sets up in the top of guide casing, branch runs through in the guide casing, dog one sets up in the one end of branch and is in the bottom of push block two, dog two sets up in the other end of branch and is close to push block one, the guide casing is stretched out to the tip of sliding block, the tip of sliding block is the slope and arranges, the electro-magnet sets up on the guide casing and is relative with dog one.

As the further improvement of this technical scheme, arrange miscellaneous mechanism and include the guide arm, the piece shifts, the connecting plate, the push pedal, the bin outlet has been seted up to a lateral wall of extrusion molding casing one, it is provided with the screw cap to arrange the department matching, guide arm horizontal connection is on the lateral wall of extrusion molding casing one, the guide arm is provided with two, the push pedal cover is located on two guide arms, the piece that shifts is in between two guide arms, the connecting plate sets up in the tip of piece that shifts, the piece that shifts is located on two guide arms through the connecting plate cover, the lateral wall that the piece that shifts passed extrusion molding casing one stretches into to extrusion molding casing one in, the cover is equipped with spring two on the guide arm, spring two is provided with two, the connecting plate is in between two springs two, shift piece and screw cap mutual.

Compared with the prior art, the invention has the advantages that the injection mechanism is adopted to inject the molten plastic in the using process, when the first injection mechanism is blocked, the injection mechanism is switched to inject the molten plastic in the second injection mechanism, so that the injection efficiency can be improved, the injection material can be saved, and the impurity discharging mechanism can discharge impurities.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

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

Fig. 2 is a schematic structural view of the injection molding machine body of the present invention.

FIG. 3 is a schematic view of a first injection molding mechanism and a second injection molding mechanism of the present invention.

Fig. 4 is a schematic diagram of the trigger switching mechanism of the present invention.

Fig. 5 is an installation diagram of the trigger switching mechanism of the present invention.

FIG. 6 is a schematic view of the linkage between the second push rod and the sliding block.

Fig. 7 is a schematic structural diagram of the impurity removing mechanism of the present invention.

FIG. 8 is a schematic view of the installation of the trash removal mechanism of the present invention.

Fig. 9 is a schematic view of the installation of the shift block of the present invention.

Labeled as:

10. installing a frame body; 110. an operation table;

20. an injection molding machine body; 210. installing a shell; 220. a liquid supply chamber; 230. an extrusion mechanism; 231. a power mechanism; 232. pressing a plate; 233. a first push column; 234. a second push column; 235. a first push block; 236. a second push block; 237. a connecting rod;

30. a first injection molding mechanism; 310. a first plastic extruding shell; 311. a communicating pipe; 312. an extrusion head; 320. a first material passing pipe;

40. a second injection molding mechanism; 410. a second plastic extruding shell; 420. a material passing pipe II;

50. a trash removal mechanism; 510. a guide bar; 520. a shift block; 521. a connecting plate; 530. pushing the plate; 540. a threaded cap;

60. triggering a switching mechanism; 611. a first guide rail; 612. connecting the first shell; 613. a first guide groove; 614. a first connecting rod; 615. a first guide block; 616. a second guide rail; 617. a second connecting shell; 618. a second guide groove; 619. a second connecting rod; 620. a second guide block; 621. a first push rod; 622. an unlocking assembly; 623. a second push rod; 624. a guide housing; 625. a sliding block; 626. a sensor; 627. a strut; 628. a first stop block; 629. a second stop block; 630. an electromagnet.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 9, an injection molding machine for manufacturing a modified starch-based plastic article, comprising:

the injection molding machine comprises a mounting frame body 10 and an injection molding machine body 20, wherein an operating table 110 is arranged at the bottom of the mounting frame body 10, the injection molding machine body 20 is mounted at the top of the mounting frame body 10, the injection molding machine body 20 comprises a mounting shell 210, a liquid supply chamber 220, a squeezing mechanism 230, a first injection molding mechanism 30 and a second injection molding mechanism 40 are mounted in the mounting shell 210, molten plastic is filled in the liquid supply chamber 220, the liquid supply chamber 220 is connected with the first injection molding mechanism 30 and the second injection molding mechanism 40 and can provide the molten plastic for the first injection molding mechanism 30 and the second injection molding mechanism 40, the squeezing mechanism 230 is used for providing pressure for the first injection molding mechanism 30 and the second injection molding mechanism 40, the squeezing mechanism 230 comprises a power mechanism 231, a pressure plate 232, a first push column 233, a second push column 234, a first push block 235, a second push block 236 and a connecting rod 237, the power mechanism 231 is, the first push column 233 and the second push column 234 are vertically arranged at the bottom of the pressing plate 232, the first push block 235 and the second push block 236 are respectively arranged below the first push column 233 and the second push column 234, guide sleeves are arranged on the first push block 235 and the second push block 236, the first push column 233 and the second push column 234 are respectively sleeved in the guide sleeves of the first push block 235 and the second push block 236, hydraulic transmission is respectively carried out between the first push column 233 and the first push block 235 and between the second push column 234 and the second push block 236, the first push column 233 and the second push column 234 are sleeved with a first spring, the first injection molding mechanism 30 comprises a first extrusion molding shell 310 and a first feed pipe 320, the second injection molding mechanism 40 comprises a second extrusion molding shell 410 and a second feed pipe 420, the first extrusion molding shell 310 is arranged below the first push block 235, the second extrusion molding shell 410 is arranged below the second push block 236, the first push block 235 is sleeved in the first extrusion molding shell 310, the second push block 236 is sleeved in the second extrusion molding shell 410, and the first feed pipe 320 is communicated between the first extrusion molding shell 310 and the feed, the second material passing pipe 420 is communicated between the second extrusion molding shell 410 and the liquid supply chamber 220, a communicating pipe 311 is communicated between the bottom of the first extrusion molding shell 310 and the bottom of the second extrusion molding shell 410, an extrusion head 312 is communicated on the communicating pipe 311, the power mechanism 231 pushes the pressing plate 232 to move downwards, then the first push column 233 and the second push column 234 push the first push block 235 and the second push block 236 to move downwards, and therefore molten plastics in the first extrusion molding shell 310 and the second extrusion molding shell 410 are extruded.

The injection molding mechanism I30 and the injection molding mechanism II 40 adopt a single injection molding mode, namely, the injection molding mechanism I30 is adopted to perform injection molding on the molten plastic, when the injection molding mechanism I30 is blocked, the injection molding mechanism I40 is switched to perform injection molding on the molten plastic, so that the injection molding efficiency can be improved, and injection molding materials are saved, therefore, a trigger switching mechanism 60 is arranged between the push block I235 and the push block II 236, the trigger switching mechanism 60 comprises a guide rail I611, a connecting shell I612, a connecting rod I614, a guide block I615, a guide rail II 616, a connecting shell II 617, a connecting rod II 619, a guide block II 620, a trigger 621, an unlocking assembly 622 and a push rod 623, the guide rail I611 is horizontally arranged at the top of the push block I235, the connecting shell I612 is slidably connected to the guide rail I611, a guide groove I613 is formed in the plate surface of the connecting shell I612, the first connecting rod 614 is vertically arranged at the bottom of the pressing plate 232, a first guide block 615 which forms sliding guide fit with the first guide groove 613 is arranged at the bottom of the first connecting rod 614, a second guide rail 616 is horizontally arranged at the top of the second pushing block 236, the second connecting shell 617 is connected to the second guide rail 616 in a sliding manner, a second guide groove 618 is formed in the surface of the second connecting shell 617, the second guide groove 618 is obliquely arranged, a second connecting rod 619 is vertically arranged at the bottom of the pressing plate 232, a second guide block 620 which forms sliding guide fit with the second guide groove 618 is arranged at the bottom of the second connecting rod 619, a first push rod 621 is arranged on the second connecting shell 617, a second push rod 623 is arranged on the first connecting shell 612, an unlocking assembly 622 is arranged between the first pushing block 235 and the second pushing block 236, and the.

As shown in fig. 4-6, the unlocking assembly 622 includes a guiding housing 624, a sliding block 625, a sensor 626, a supporting rod 627, a first stopper 628, a second stopper 629, and an electromagnet 630, the guiding housing 624 is fixedly connected to the mounting housing 210, the sliding block 625 is sleeved in the guiding housing 624, the sensor 626 is disposed above the guiding housing 624, the supporting rod 627 penetrates through the guiding housing 624, the first stopper 628 is disposed at one end of the supporting rod 627 and is located at the bottom of the second stopper 236, the second stopper 629 is disposed at the other end of the supporting rod 627 and is close to the first stopper 235, the end of the sliding block 625 extends out of the guiding housing 624, the side wall of the sliding block 625 is obliquely arranged, the electromagnet 630 is disposed on the guiding housing 624 and is opposite to the first stopper 628, when a blockage occurs in the first injection mechanism 30, a spring on the first pushing rod 233 is in a compressed state, the connecting housing 612 slides along a guide rail 611, and then the sliding, thereby causing the sliding block 625 to move, the sensor 626 to detect the movement of the sliding block 625, then the electromagnet 630 is energized, the electromagnet 630 attracts the first block 628, the first block 628 is disengaged from the bottom of the second push block 236, the first block 628 is unlocked from the second push block 236, the extrusion mechanism 230 is capable of powering the second push block 236 and extruding the second push block 236 into the second extrusion housing 410 to extrude the molten plastic.

As shown in fig. 3 and 6-9, when a blockage occurs in the first injection molding mechanism 30, in order to clean impurities, a impurity removing mechanism 50 for cleaning impurities is disposed in the first extrusion molding housing 310, the impurity removing mechanism 50 includes a guide rod 510, two shift blocks 520, a connecting plate 521 and a push plate 530, a discharge opening is disposed on a side wall of the first extrusion molding housing 310, a screw cap 540 is disposed at the discharge opening in a matching manner, the guide rod 510 is horizontally connected to a side wall of the first extrusion molding housing 310, the two guide rods 510 are disposed on the guide rod 510, the push plate 530 is sleeved on the two guide rods 510, the shift block 520 is disposed between the two guide rods 510, the connecting plate 521 is disposed at an end portion of the shift block 520, the shift block 520 is sleeved on the two guide rods 510 through the connecting plate 521, the shift block 520 penetrates through the side wall of the first extrusion molding housing 310 and extends into the first extrusion molding housing 310, a second spring is sleeved on the guide, the displacement block 520 is arranged opposite to the threaded cover 540, the bottom of the second push block 236 is connected with the push plate 530 through the connecting rod 237, when the second push block 236 moves downwards, the connecting rod 237 pushes the push plate 530 to move along the guide rod 510 to the direction close to the first extrusion casing 310, so that the displacement block 520 moves along the bottom of the first extrusion casing 310, impurities at the bottom of the first extrusion casing 310 can be pushed into the threaded cover 540, and the impurities can be taken out by opening the threaded cover 540.

The working principle is as follows:

in the use process of the invention, when blockage occurs in the injection molding mechanism I30, the spring I on the push column I233 is in a compressed state, the push block II 236 moves downwards, the connecting rod II 619 moves downwards, the guide block I615 moves relative to the guide groove I613, so that the connecting shell I612 slides along the guide rail I611, then the push rod II 623 is flush with the end part of the sliding block 625, in the process that the connecting shell I612 slides along the guide rail I611, the end part of the push rod II 623 abuts against the inclined surface of the sliding block 625, so that the sliding block 625 moves along the guide shell 624, the sensor 626 detects the movement of the sliding block 625, then the electromagnet 630 is electrified, the electromagnet 630 attracts the stop I628, the stop I628 is separated from the bottom part of the push block II 236, the stop I628 cancels the locking of the push block II 236, the extrusion mechanism 230 can provide power for the push block II 236, and the push block II 236 extrudes molten plastics in the extrusion molding, when the second push block 236 moves downwards, the link 237 pushes the push plate 530 to move along the guide 510 in a direction close to the first extrusion housing 310, so that the displacement block 520 moves along the bottom of the first extrusion housing 310, impurities at the bottom of the first extrusion housing 310 can be pushed into the screw cap 540, and the impurities can be taken out by opening the screw cap 540.

It should be understood that the above-described embodiments are merely preferred embodiments of the invention and the technical principles applied thereto. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, such variations are within the scope of the invention as long as they do not depart from the spirit of the invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.

Claims

1. An injection molding machine for manufacturing modified starch-based plastic products is characterized by comprising:

the injection molding machine comprises an installation shell, a liquid supply chamber, an extrusion mechanism, a first injection molding mechanism and a second injection molding mechanism are arranged in the installation shell, molten plastic is filled in the liquid supply chamber, the liquid supply chamber is connected with the first injection molding mechanism and the second injection molding mechanism and can provide the molten plastic for the first injection molding mechanism and the second injection molding mechanism, the extrusion mechanism is used for providing pressure for the first injection molding mechanism and the second injection molding mechanism, the extrusion mechanism comprises a power mechanism, a pressing plate, a first push column, a second push column, a first push block, a second push block and a connecting rod, the power mechanism is arranged at the top of the installation shell, the pressing plate is connected to the bottom of the power mechanism, the pressing plate is horizontally arranged, the first push column and the second push column are vertically arranged at the bottom of the pressing plate, and the first push block and the second push block are respectively arranged at the first push column, The push post I and the push post II are respectively sleeved in the guide sleeves of the push block I and the push block II, hydraulic transmission is respectively carried out between the push post I and the push block I and between the push post II and the push block II, the push post I and the push post II are sleeved with a spring I, the injection molding mechanism I comprises an extrusion molding shell I and a material passing pipe I, the injection molding mechanism II comprises an extrusion molding shell II and a material passing pipe II, the extrusion molding shell I is positioned below the push block I, the extrusion molding shell II is positioned below the push block II, the push block I is sleeved in the extrusion molding shell I, the push block II is sleeved in the extrusion molding shell II, the material passing pipe I is communicated between the extrusion molding shell I and a liquid supply chamber, the material passing pipe II is communicated between the extrusion molding shell II and the liquid supply chamber, a communicating pipe is communicated between the bottom of the extrusion molding shell I and the bottom of the extrusion molding shell II, an extrusion head is communicated on the communicating pipe, and a power mechanism pushes a pressing plate to move downwards, then the first pushing column and the second pushing column push the first pushing block and the second pushing block to move downwards, so that molten plastic in the first extrusion molding shell and the second extrusion molding shell is extruded;

the trigger switching mechanism is arranged between the first pushing block and the second pushing block and comprises a first guide rail, a first connecting shell, a first connecting rod, a first guide block, a second guide rail, a second connecting shell, a second connecting rod, a second guide block, a trigger piece, an unlocking assembly and a push rod, wherein the first guide rail is horizontally arranged at the top of the first pushing block, the first connecting shell is connected to the first guide rail in a sliding manner, a first guide groove is formed in the plate surface of the first connecting shell and is obliquely arranged, the first connecting rod is vertically arranged at the bottom of the pressing plate, the first guide block which is in sliding guide fit with the first guide groove is arranged at the bottom of the first connecting rod, the second guide rail is horizontally arranged at the top of the second pushing block and is connected to the second guide rail in a sliding manner, a second guide groove is formed in the plate surface of the second connecting shell and is obliquely arranged, the second connecting rod is vertically arranged at the bottom of the pressing plate, the connecting shell II is provided with a first push rod, the connecting shell I is provided with a second push rod, an unlocking assembly is arranged between the first push block and the second push block, and the unlocking assembly can switch the second injection molding mechanism to work.

2. The injection molding machine for manufacturing modified starch-based plastic products of claim 1, wherein the unlocking assembly comprises a guide housing, a sliding block, a sensor, a support rod, a first stop block, a second stop block and an electromagnet, the guide housing is fixedly connected in the installation housing, the sliding block is sleeved in the guide housing, the sensor is arranged above the guide housing, the support rod penetrates through the guide housing, the first stop block is arranged at one end of the support rod and is positioned at the bottom of the second push block, the second stop block is arranged at the other end of the support rod and is close to the first push block, the end part of the sliding block extends out of the guide housing, the end part of the sliding block is arranged in an inclined manner, and the electromagnet is arranged on the guide housing.

3. The injection molding machine for manufacturing modified starch-based plastic products of claim 2, wherein the impurity removing mechanism comprises two guide rods, two shifting blocks, a connecting plate and a push plate, a material outlet is formed in one side wall of the first extrusion molding shell, a threaded cover is arranged at the material outlet in a matching manner, the guide rods are horizontally connected to the side wall of the first extrusion molding shell, the two guide rods are sleeved with the push plate, the shifting blocks are located between the two guide rods, the connecting plate is arranged at the end parts of the shifting blocks, the shifting blocks are sleeved on the two guide rods through the connecting plate, the shifting blocks penetrate through the side wall of the first extrusion molding shell and extend into the first extrusion molding shell, two springs are sleeved on the guide rods, the connecting plate is located between the two springs, the shifting blocks are arranged opposite to the threaded cover, and the bottoms of the two push blocks are connected with the push plate.