CN111347612A

CN111347612A - Pre-molding injection molding machine

Info

Publication number: CN111347612A
Application number: CN202010148233.1A
Authority: CN
Inventors: 于艳娜; 周洋洋; 任磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2020-06-30

Abstract

The invention relates to the field of injection molding machines, in particular to a pre-molding injection molding machine which comprises a rectangular plate, an L-shaped plate, a material storage box, a material guide hose, a servo motor, a long screw rod, an upper mold, a lower mold, a screw hole block, a bottom plate, a short pipe, a hydraulic push rod, a cylinder, a micro motor, a rotary vane screw rod, a plug column and a column hole. The invention has reasonable design, the raw material in the material storage box enters the cylinder through the material guide hose and enters the short tube through the rotating spiral piece screw by starting the micro motor on the lower die, so that the raw material can enter the lower die, the function of automatically adding the raw material into the die pressing die is realized, the injection molding efficiency is improved, the plug is pushed to the corresponding die cavity through the column hole by starting the hydraulic push rod in a gradually extending state, the function of quickly and conveniently separating the die is realized, and the molded injection molding piece can be pushed out and is convenient to take out.

Description

Pre-molding injection molding machine

Technical Field

The invention relates to the field of injection molding machines, in particular to a pre-molding injection molding machine.

Background

An injection molding machine, also known as an injection molding machine or an injection machine, is a main molding device for making thermoplastic plastics or thermosetting plastics into plastic products of various shapes by using a plastic molding mold, and is divided into a vertical type, a horizontal type and an all-electric type.

Because the injection molding machine moulds plastics for adding the raw materials earlier then the compound die to adding the raw materials in-process, general interpolation mode operation is not convenient relatively, lacks and to be connected through corresponding output raw materials structure and raw materials splendid attire structure, and compound die drawing of patterns process required time remains to be shortened simultaneously, and the drawing of patterns easily appears the formed part and blocks and the difficult problem of drawing of patterns. Accordingly, a pre-molding injection molding machine is proposed to address the above problems.

Disclosure of Invention

The present invention has been made to solve the above problems, and an object of the present invention is to provide a pre-mold injection molding machine.

The invention realizes the aim through the following technical scheme, and the pre-molding injection molding machine comprises an upper mold, a feeding mechanism and a separating and combining mechanism, wherein the upper mold is closed on a lower mold, and the upper mold and the lower mold are positioned between two rectangular plates which are distributed up and down; the feeding mechanism comprises a cylinder, a rotor screw is rotatably mounted in the cylinder, one end of the rotor screw is mounted at one end of a shaft lever of the micro motor, a port at one end of the cylinder is communicated and mounted in the middle of the annular surface of the short pipe, the cylinder is communicated with the bottom of the material storage box through a material guide hose, a hydraulic push rod is mounted on the closed end surface of the short pipe, and a plug is mounted at one end of the push rod of the hydraulic push rod; the opening and closing mechanism comprises four long screws, the number of the long screws is four, the four long screws are respectively rotatably installed at four corners between the two rectangular plates, the long screws are symmetrically and threadedly connected with two screw hole blocks, and the two screw hole blocks which are vertically distributed are respectively connected with corresponding corners of the upper die and corresponding corners of the lower die.

Preferably, the top end of the long screw is installed at one end of a shaft rod corresponding to the servo motors, and the four servo motors are respectively installed at four corners on one side of the rectangular plate.

Preferably, the top of the upper die and the bottom of the lower die are both provided with a column hole, and the column hole is in sliding connection with the corresponding plug.

Preferably, the thread structures of the long screw are reverse thread structures which respectively account for half, and the rectangular plate positioned at the bottom of the long screw is fixedly arranged on the bottom plate.

Preferably, the micro motor is installed on the closed end face of one end of the cylinder, and the micro motor and the servo motor are both electrically connected with the external control element and the power supply through the conducting wire.

Preferably, the port of one end of the short pipe is installed on the port of the outer side of the column hole, and a plurality of screw hole grooves are formed around the port of the outer side of the column hole.

Preferably, hold the workbin and install at the diaphragm top of L template, and the riser bottom fixed mounting of L template is on bottom plate top relevant position.

Preferably, heating structures are arranged inside the upper die and inside the lower die, and the heating structures are enclosed in the cavity wall of the formed die cavity.

Preferably, the middle path of the rectangular plates is of a large round opening structure, and the four corners of the edge between the two rectangular plates are fixedly connected with each other through four support rods.

Preferably, the end face of the outer end of the plug is provided with a high-temperature resistant wafer, and the length of the plug is equal to the depth of the column hole.

The invention has the beneficial effects that:

(1) this kind of pre-molding injection molding machine reasonable in design will hold the raw materials in the workbin through the guide hose entering drum and in rotatory rotor screw rod entering stub pipe through the micro motor that starts on the bed die to can get into the bed die with the raw materials in, realize the automatic function to adding the raw materials in the compression mold, improve the efficiency of moulding plastics.

(2) This kind of pre-molding injection molding machine reasonable in design is in through starting the hydraulic push rod and promotes the stopper post through post hole to corresponding mould die cavity in the state of stretching gradually to realize the function of the quick convenient separation of mould, can release the shaping injection molding simultaneously, be convenient for take out.

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 inventive exercise.

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

FIG. 2 is a schematic view of the connecting structure of the short pipe and the cylinder of the present invention;

FIG. 3 is a schematic view of the connection structure of the lower mold and the long screw according to the present invention;

FIG. 4 is a schematic view of a rectangular plate structure according to the present invention.

In the figure: 1. rectangular plate, 2, L template, 3, hold the workbin, 4, guide hose, 5, servo motor, 6, long screw, 7, go up the mould, 8, bed die, 9, screw piece, 10, bottom plate, 11, nozzle stub, 12, hydraulic push rod, 13, drum, 14, micro motor, 15, rotor plate screw rod, 16, stopper post, 17, post hole.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below 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.

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

Referring to fig. 1-4, a pre-molding injection molding machine includes an upper mold 7, a feeding mechanism and a separating and combining mechanism, wherein the upper mold 7 is closed on a lower mold 8, and the upper mold 7 and the lower mold 8 are positioned between two rectangular plates 1 distributed up and down; the feeding mechanism comprises a cylinder 13, a rotor screw 15 is rotatably mounted in the cylinder 13, one end of the rotor screw 15 is mounted at one end of a shaft rod of a micro motor 14, a port at one end of the cylinder 13 is communicated and mounted in the middle of the annular surface of a short pipe 11, the cylinder 13 is communicated with the bottom of a material storage box 3 through a material guide hose 4, a hydraulic push rod 12 is mounted on the closed end surface of the short pipe 11, and a plug 16 is mounted at one end of a push rod of the hydraulic push rod 12; divide and shut mechanism includes long screw 6, long screw 6 is equipped with four, and four long screw 6 rotates respectively and installs four corners department between two rectangular plates 1, the last symmetrical threaded connection of long screw 6 has two screw blocks 9, and two screw blocks 9 that distribute from top to bottom are connected with the corresponding corner of cope match-plate pattern 7 respectively and are connected with the corresponding corner of lower mould 8.

The top end of each long screw 6 is arranged at one end of a shaft rod of the corresponding servo motor 5, and the four servo motors 5 are respectively arranged at four corners of one side of the rectangular plate 1 and are convenient to connect with the corresponding long screws 6; the top of the upper die 7 and the bottom of the lower die 8 are both provided with column holes 17, and the column holes 17 are in sliding connection with corresponding plugs 16, so that the effect of opening and closing the column holes 17 is achieved; the thread structures of the long screw 6 are reverse thread structures which account for half of each other, and the rectangular plate 1 positioned at the bottom of the long screw 6 is fixedly arranged on the bottom plate 10, so that the long screw 6 rotates to drive the two symmetrically arranged screw hole blocks 9 to move oppositely or reversely; the micro motor 14 is arranged on the closed end face of one end of the cylinder 13, and the micro motor 14 and the servo motor 5 are electrically connected with an external control element and a power supply through a conducting wire, so that the effect of controlling the running state of the corresponding motor is achieved; a port at one end of the short pipe 11 is arranged on an outer port of the column hole 17, and a plurality of screw hole grooves are formed around the outer port of the column hole 17, so that the short pipe 11 and the column hole 17 can be conveniently connected through bolts; the material storage box 3 is arranged at the top of a transverse plate of the L-shaped plate 2, the bottom end of a vertical plate of the L-shaped plate 2 is fixedly arranged at a corresponding position at the top of the bottom plate 10, and the material storage box 3 can be fixedly placed at a high position; heating structures are arranged inside the upper die 7 and the lower die 8, and the heating structures are enclosed in the cavity wall of the formed die cavity, so that injection molding raw material particles in the die cavity can be heated conveniently through the electrified heating structures; the middle path of the rectangular plates 1 is of a large round mouth structure, and the four corners of the edge between the two rectangular plates 1 are fixedly connected with each other through four supporting rods, so that the effect of supporting and connecting the two rectangular plates 1 is achieved; the end face of the outer end of the plug 16 is provided with a high-temperature resistant wafer, and the length of the plug 16 is equal to the depth of the column hole 17, so that the plug 16 and the column hole 17 can be matched and slidably mounted together.

When the injection molding machine is used, the micro motor 14 on the lower die 8 is started to enable raw materials in the material storage box 3 to enter the cylinder 13 through the material guide hose 4 and enter the short pipe 11 through the rotating spiral piece screw 15, the plug 16 is pulled out of the column hole 17 under the action of the hydraulic push rod 12, so that the raw materials can enter the lower die 8, the upper die 7 is combined on the lower die 8 after the lower die 8 is filled with local raw materials, and the formed die cavity is filled with the raw materials through the operation mode, so that the function of automatically adding the raw materials into the compression molding die is achieved, and the injection molding efficiency is improved; treat the electric heating structure of mould intracavity and heat the melting and shaping cooling back of plastics raw materials, drive the rotation of corresponding long screw 6 under the interact of power through starting servo motor 5 for two screw hole pieces 9 move dorsad and drive upper mold 7 and lower mould 8 separation, start hydraulic push rod 12 simultaneously and be in gradually the extension state and promote the stopper post 16 through post hole 17 to corresponding mould die cavity, thereby realize the function of the quick convenient separation of mould, can release the shaping injection molding simultaneously, be convenient for take out.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A kind of pre-molding injection molding machine, characterized by: the device comprises an upper die (7), a feeding mechanism and a separating and combining mechanism, wherein the upper die (7) is closed on a lower die (8), and the upper die (7) and the lower die (8) are positioned between two rectangular plates (1) which are vertically distributed; the feeding mechanism comprises a cylinder (13), a rotor screw (15) is rotatably mounted in the cylinder (13), one end of the rotor screw (15) is mounted at one end of a shaft rod of a micro motor (14), one end port of the cylinder (13) is communicated and mounted in the middle of the annular surface of a short pipe (11), the cylinder (13) is communicated with the bottom of the material storage box (3) through a material guide hose (4), a hydraulic push rod (12) is mounted on the closed end surface of the short pipe (11), and a plug column (16) is mounted at one end of the push rod of the hydraulic push rod (12); divide and shut mechanism includes long screw (6), long screw (6) are equipped with four, and four long screw (6) rotate respectively and install four corners department between two rectangular plates (1), symmetrical threaded connection has two screw block (9) on long screw (6), and two screw block (9) that distribute from top to bottom are connected with the corresponding corner of last mould (7) respectively and are connected with the corresponding corner of bed die (8).

2. A pre-molding injection molding machine according to claim 1, characterized in that: the top end of the long screw rod (6) is installed at one end of a shaft rod corresponding to the servo motors (5), and the four servo motors (5) are installed at four corners of one side of the rectangular plate (1) respectively.

3. A pre-molding injection molding machine according to claim 1, characterized in that: the top of the upper die (7) and the bottom of the lower die (8) are both provided with column holes (17), and the column holes (17) are in sliding connection with the corresponding plugs (16).

4. A pre-molding injection molding machine according to claim 1, characterized in that: the thread structures of the long screw rods (6) are reverse thread structures which respectively account for half, and the rectangular plates (1) positioned at the bottoms of the long screw rods (6) are fixedly arranged on the bottom plate (10).

5. A pre-molding injection molding machine according to claim 1, characterized in that: the micro motor (14) is installed on the closed end face of one end of the cylinder (13), and the micro motor (14) and the servo motor (5) are electrically connected with an external control element and a power supply through conducting wires.

6. A pre-molding injection molding machine according to claim 1, characterized in that: and one end port of the short pipe (11) is arranged on the outer end port of the column hole (17), and a plurality of screw hole grooves are formed around the outer end port of the column hole (17).

7. A pre-molding injection molding machine according to claim 1, characterized in that: the material storage box (3) is installed at the top of a transverse plate of the L-shaped plate (2), and the bottom end of a vertical plate of the L-shaped plate (2) is fixedly installed at the corresponding position of the top of the bottom plate (10).

8. A pre-molding injection molding machine according to claim 1, characterized in that: heating structures are arranged inside the upper die (7) and inside the lower die (8) and are surrounded in the cavity wall of the formed die cavity.

9. A pre-molding injection molding machine according to claim 1, characterized in that: the middle path of the rectangular plates (1) is of a large round opening structure, and four corners of the edge between the two rectangular plates (1) are fixedly connected through four supporting rods.

10. A pre-molding injection molding machine according to claim 1, characterized in that: the end face of the outer end of the plug column (16) is provided with a high-temperature resistant wafer, and the length dimension of the plug column (16) is equal to the depth dimension of the column hole (17).