CN213006193U

CN213006193U - Polyurethane foaming spare rotation type foaming mould frame

Info

Publication number: CN213006193U
Application number: CN202020996886.0U
Authority: CN
Inventors: 孙乾
Original assignee: Jilin Hengtong Electromechanical Equipment Co ltd
Current assignee: Jilin Hengtong Electromechanical Equipment Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-04-20
Anticipated expiration: 2030-06-03

Abstract

The utility model relates to the technical field of polyurethane foaming parts, and provides a rotary foaming mold frame for polyurethane foaming parts, aiming at solving the problems that the traditional foaming mold frame is an integral fixed mold frame, which not only increases the volume of the mold and makes the mold structure more complicated, but also is difficult to take down after the polyurethane foaming part is foamed and molded, and influences the foaming efficiency, comprising a bottom box and a mold frame arranged on the upper end of the bottom box, wherein the upper end of one side of the bottom box, which is deviated from the mold frame, is provided with a frame, and the upper end of the frame is provided with an injection molding mechanism; the mould frame is including installing the rotating turret in the under casing upper end, and the upper end of rotating turret rotates and installs circular carousel, and the middle part of circular carousel is connected with servo motor's output, and servo motor installs on the rotating turret, and the array distributes on the annular lateral wall of circular carousel has a plurality of spiral arms. The utility model discloses be particularly useful for the shaping of polyurethane foaming spare, have higher social use value and application prospect.

Description

Polyurethane foaming spare rotation type foaming mould frame

Technical Field

The utility model relates to a polyurethane foaming spare technical field, concretely relates to polyurethane foaming spare rotation type foaming mould frame.

Background

The polyurethane is a high molecular compound and is named polyurethane. The polyurethane includes two types of polyester type and polyether type, and can be made into polyurethane plastics (mainly foamed plastics), polyurethane fiber (Chinese called spandex), polyurethane rubber and elastomer.

The polyurethane industry in China is mainly concentrated in the Yangtze river delta region, and along with the continuous development of industrial manufacturing technology in recent years, a Bohai and Bohai production region, a bead delta production region and a northwest manufacturing industry base centering on a smoke platform are in vigorous development. Under the pressure of environmental protection in China, enterprises begin to seek transformation, take the creation of green and environment-friendly polyurethane production process as a main development direction, and gradually eliminate the backward productivity.

Polyurethane foaming mould uses the cooperation of mould frame to carry out the processing of polyurethane foaming spare more, but traditional foaming mould frame generally is integral fixed mould frame, consequently can not remove easily behind polyurethane foaming spare shaping, has not only increased the volume of mould for the mould structure is more complicated, and takes off the difficulty behind the polyurethane foaming spare foaming shaping, influences foaming efficiency.

The patent of publication No. CN206780811U discloses a rotation type foaming mould frame, it includes the base, install the rotating electrical machines on the base, the output shaft of rotating electrical machines has the foaming mould frame, be equipped with the roll ball between foaming mould frame and the base, and the top roll connection of roll ball and base is passed through to the bottom of foaming mould frame, the chamber of placing with roll ball looks adaptation is seted up to the bottom of foaming mould frame, the perpendicular cross-section of placing the chamber is the arc structure, it is equipped with a plurality of balls to place the intracavity, the ball extends to the outside of placing the chamber, and ball and roll ball roll connection, the device is more stable at rotatory in-process, but the device has the problem that takes off the difficulty after foaming of foaming piece, for this reason, we provide a polyurethane foaming piece rotation type foaming mould frame.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a polyurethane foaming spare rotation type foaming mould frame has overcome the not enough of prior art, reasonable in design, and compact structure aims at solving traditional foaming mould frame and for integral fixed mould frame, has not only increased the volume of mould for the mould structure is more complicated, and takes off the difficulty behind the polyurethane foaming spare foaming shaping, influences the problem of foaming efficiency.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a rotary type foaming mold frame for a polyurethane foaming part comprises a bottom box and a mold frame arranged at the upper end of the bottom box, wherein a rack is arranged at the upper end of one side of the bottom box, which is far away from the mold frame, and an injection molding mechanism is arranged at the upper end of the rack;

the die rack comprises a rotating rack arranged at the upper end of the bottom box, a round turntable is rotatably arranged at the upper end of the rotating rack, the middle part of the round turntable is connected with the output end of a servo motor, the servo motor is arranged on the rotating rack, a plurality of spiral arms are distributed on the annular side wall of the round turntable in an array manner, a die holder is arranged at the free end of each spiral arm, and a plurality of die cores which are horizontally arranged are arranged at the other end of the die holder;

the mechanism of moulding plastics sets up the die in one of them die holder outside including the matching, and the die has seted up the foaming die cavity near one side of die holder, the die is installed on the flexible end of cylinder, cylinder fixed mounting is in the upper end of mount pad, and mount pad fixed mounting is in the under casing upper end, it installs soft injection molding pipe to link up on the lateral wall that the die corresponds the foaming die cavity position, and the other end of soft injection molding pipe is installed on the output of injection molding machine, injection molding machine fixed mounting is on the lateral wall of head box, and the input of injection molding machine extends to the inner chamber lower part of head box, head box fixed mounting is in the upper end of.

Preferably, one side of the die holder, which is close to the die cores, is provided with a die discharging plate, the die discharging plate is sleeved on the die cores, the other side of the die discharging plate is symmetrically provided with telescopic ends of two electric push rods, the two electric push rods penetrate through the die holder and are arranged on the same positioning plate, and the positioning plate is fixedly sleeved on the spiral arm.

Preferably, the top wall of the raw material box is provided with a material supplementing opening, and the box cover is detachably arranged on the material supplementing opening.

Preferably, the side wall profile of the demolding plate is consistent with the inner wall profile of the foaming cavity on the female die.

Preferably, a collecting box with an unsealed upper end is arranged on one side, close to the mold frame, of the bottom box.

Preferably, a control panel is installed on the front wall of the installation seat, a display screen and a control button are arranged on the control panel, and a PLC is arranged in the control panel.

(III) advantageous effects

The embodiment of the utility model provides a polyurethane foam piece rotation type foaming mould frame possesses following beneficial effect:

1. the mould frame and the mechanism of moulding plastics through the rotary type cooperate, the circular carousel of servo motor drive rotates according to the distribution angle of a plurality of spiral arms, the die holder that is located leftmost spiral arm end matches the die foaming die cavity of aiming at the level setting, at this moment, the cylinder starts, promote the die and move right, accomplish the compound die with the die holder, the cooperation injection molding machine starts, carry out the injection moulding foaming through soft injection molding pipe in to the foaming die cavity after the closure, the foam molding of polyurethane foaming spare has been guaranteed.

2. The utility model discloses a articulate on a plurality of horizontal arrangement's mold core behind polyurethane foaming spare shaping, drive the die at the cylinder and leave the polyurethane foaming spare after the shaping, along with the clockwise intermittent type rotation of the circular carousel of servo motor continuous drive, the slippage is followed to polyurethane foaming spare slope on the mold core, accomplishes the processing of foaming spare.

3. Through the integrated configuration of demolding board, electric putter and locating plate, along with the rotation of circular carousel, its die holder slope that corresponds is downward and arrives the top of collecting box, and two electric putter start simultaneously this moment promote the outward movement of demolding board, and the polyurethane foaming spare that overlaps on a plurality of mold cores is established to the cover and is released, realizes convenient demolding and collects.

Drawings

The above features, technical features, advantages and modes of realisation of a rotating foaming mould holder for polyurethane foam parts will be further explained in the following, in a clearly understandable manner, with reference to the accompanying drawings, which illustrate preferred embodiments.

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

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a partial sectional view of the mold frame of the present invention;

fig. 4 is a schematic view of the combined structure of the middle mold core, the mold stripping plate and the mold base of the present invention.

In the figure: the injection molding machine comprises a bottom box 1, a mold frame 2, a rotating frame 21, a circular turntable 22, a rotary arm 23, a mold base 24, a mold discharging plate 25, an electric push rod 26, a positioning plate 27, a mold core 28, an injection molding mechanism 3, a female mold 31, a cylinder 32, a soft injection molding pipe 33, an injection molding machine 34, a raw material box 35, a material supplementing opening 36, a machine frame 4, a mounting seat 5, a control panel 6, a collecting box 7 and a polyurethane foaming part a.

Detailed Description

The invention will be further described with reference to the following figures 1-4 and examples:

example 1

A rotary foaming mold frame for polyurethane foaming parts comprises a bottom case 1 and a mold frame 2 arranged at the upper end of the bottom case 1, wherein a frame 4 is arranged at the upper end of one side of the bottom case 1, which is far away from the mold frame 2, and an injection molding mechanism 3 is arranged at the upper end of the frame 4;

in this embodiment, as shown in fig. 1-4, the mold frame 2 includes a rotating frame 21 installed at the upper end of the bottom case 1, the upper end of the rotating frame 21 is rotatably installed with a circular turntable 22, the middle part of the circular turntable 22 is connected with the output end of a servo motor, the servo motor is installed on the rotating frame 21, a plurality of swing arms 23 are distributed on the annular side wall of the circular turntable 22 in an array manner, a mold base 24 is installed at the free end of the swing arm 23, and a plurality of horizontally arranged mold cores 28 are arranged at the other end of the mold base 24;

in this embodiment, as shown in fig. 2, the injection mechanism 3 includes a female die 31 disposed outside one of the die holders 24 in a matching manner, a foaming cavity is disposed on one side of the female die 31 close to the die holder 24, the female die 31 is mounted on a telescopic end of a cylinder 32, the cylinder 32 is fixedly mounted at an upper end of a mounting seat 5, the mounting seat 5 is fixedly mounted at an upper end of the bottom case 1, a flexible injection molding pipe 33 is mounted on a side wall of the female die 31 corresponding to the foaming cavity in a penetrating manner, the other end of the flexible injection molding pipe 33 is mounted on an output end of an injection molding machine 34, the injection molding machine 34 is fixedly mounted on a side wall of a raw material case 35, an input end of the injection molding machine 34 extends to a lower portion of;

in this embodiment, the servo motor drives the circular turntable 22 to rotate according to the distribution angles of the plurality of swing arms 23, the die holder 24 at the end of the swing arm 23 at the leftmost side is matched with and aligned with the horizontally arranged foaming cavity of the female die 31, and at this time, the air cylinder 32 is started to push the female die 31 to move rightwards to complete die assembly with the die holder 24; the injection molding machine 34 is started, and the closed foaming cavity is subjected to injection molding foaming through the soft injection molding pipe 33;

it can be understood that after the polyurethane foaming part a is formed, the polyurethane foaming part a is hung on a plurality of horizontally arranged mold cores 28, and after the cylinder 32 drives the female mold 31 to move leftwards, the polyurethane foaming part a inclines to slip off from the mold cores 28 along with the clockwise intermittent rotation of the circular turntable 22 continuously driven by the servo motor, so that the processing of the foaming part is completed.

In this embodiment, as shown in fig. 2, a material supplementing opening 36 is formed in the top wall of the material box 35, and a box cover is detachably installed on the material supplementing opening 36, so that sufficient raw materials for processing the polyurethane foam part a are effectively ensured.

In this embodiment, as shown in fig. 1-2, a collecting box 7 with an unclosed upper end is disposed on one side of the bottom box 1 close to the mold frame 2, and is matched with a circular turntable 22 which rotates clockwise intermittently, for collecting the polyurethane foam component a slipping off from the mold core 28.

In this embodiment, as shown in fig. 1, a control panel 6 is installed on the front wall of the installation base 5, a display screen and a control button are installed on the control panel 6, a PLC controller is installed in the control panel 6, in this embodiment, the model of the PLC controller is siemens S7-200, and the control panel 6 is connected with a servo motor, an air cylinder 32 and an injection molding machine 34 through an electric control line;

the processing personnel effectively control the servo motor to drive the circular turntable 22 to rotate according to the distribution angles of the plurality of spiral arms 23 by controlling the control buttons on the control panel 6 and combining the PLC controller, thereby matching the die assembly injection molding foaming of the injection molding mechanism 3; the expansion control of the cylinder 32 is effectively controlled, the mold closing and opening of the mold base 24 and the female mold 31 are guaranteed, and the foaming processing of the polyurethane foaming part a is realized by matching with the starting of the injection molding machine 34 during mold closing.

Example 2

The difference between the embodiment and embodiment 1 is that, as shown in fig. 3 and 4, a mold discharging plate 25 is arranged on one side of the mold base 24 close to the mold cores 28, the mold discharging plate 25 is sleeved on the plurality of mold cores 28, the other side of the mold discharging plate 25 is symmetrically provided with telescopic ends of two electric push rods 26, the two electric push rods 26 penetrate through the mold base 24 and are installed on the same positioning plate 27, the positioning plate 27 is fixedly sleeved on the rotating arm 23, the polyurethane foaming part a is hung on the mold cores 28, along with the rotation of the circular turntable 22, the corresponding mold base 24 inclines downwards and reaches the upper side of the collecting box 7, at this time, the two electric push rods 26 are simultaneously started to push the mold discharging plate 25 to move outwards, the polyurethane foaming part a sleeved on the plurality of mold cores 28 is pushed out, and convenient mold discharging collection is.

In this embodiment, as shown in fig. 3 and 4, the side wall profile of the outlet plate 25 is consistent with the inner wall profile of the foaming cavity on the female die 31, so that the sealing of the foaming cavity after die assembly is effectively ensured, and the shape and quality of the polyurethane foaming part a are ensured.

Other undescribed structures refer to example 1.

The embodiment of the present invention discloses a preferred embodiment, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention according to the above embodiment, and make different extensions and changes, but do not depart from the spirit of the present invention, all of which are within the protection scope of the present invention.

Claims

1. A rotary foaming mold frame for a polyurethane foaming part comprises a bottom box and a mold frame arranged at the upper end of the bottom box, and is characterized in that a frame is arranged at the upper end of one side of the bottom box, which is far away from the mold frame, and an injection molding mechanism is arranged at the upper end of the frame;

2. The rotary foaming die holder for polyurethane foam parts according to claim 1, wherein: one side of the die holder, which is close to the die cores, is provided with a die discharging plate, the die discharging plate is sleeved on the die cores, the other side of the die discharging plate is symmetrically provided with telescopic ends of two electric push rods, the two electric push rods penetrate through the die holder and are arranged on the same positioning plate, and the positioning plate is fixedly sleeved on the spiral arm.

3. The rotary foaming die holder for polyurethane foam parts according to claim 1, wherein: the top wall of the raw material box is provided with a feeding port, and the box cover is detachably arranged on the feeding port.

4. The rotary foaming die holder for polyurethane foam parts according to claim 2, wherein: the side wall profile of the die plate is consistent with the inner wall profile of the foaming cavity on the female die.

5. The rotary foaming die holder for polyurethane foam parts according to claim 1, wherein: and a collecting box with an unsealed upper end is arranged on one side of the bottom box close to the mold frame.

6. The rotary foaming die holder for polyurethane foam parts according to claim 1, wherein: install control panel on the antetheca of mount pad, and be equipped with display screen and control button on the control panel, control panel embeds there is the PLC controller.