CN211842964U

CN211842964U - Mould for in-mould decoration injection moulding

Info

Publication number: CN211842964U
Application number: CN201922391738.6U
Authority: CN
Inventors: 黄恩
Original assignee: Fuzhou Xingchuang Yunda New Material Technology Co ltd
Current assignee: Fuzhou Xingchuang Yunda New Material Technology Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-11-03
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a mould for in-mould decoration injection moulding, including lower mould and last mould, the equal fixed mounting in lower surface four corners of lower mould has the stabilizer blade, and the inside of lower mould has seted up the mould groove, the below in mould groove is provided with the thread groove, and the inside of thread groove runs through there is the ejector pin, the lower extreme of ejector pin is connected with the transmission shaft, and the lower extreme of transmission shaft is connected with servo motor, servo motor's outside fixed mounting has the fixed bolster, the gag lever post has all been welded in the upper surface four corners of lower mould, electric putter's exit end is connected with the piston rod, it is located the other end of connecting rod to go up the mould. The utility model relates to a rationally, can carry out effectual demoulding operation to the material of mould inslot portion through the setting of ejector pin, and the vibrations power that produces under the servo motor operating condition directly transmits for the lower mould, and the material of being convenient for breaks away from in the lower mould, and secondly the setting of spring can cushion the decline process of last mould, improves the stationarity that goes up the mould decline.

Description

Mould for in-mould decoration injection moulding

Technical Field

The utility model relates to the technical field of mold, especially, relate to a mould for in-mould decoration injection moulding.

Background

The IMD is a technology for placing a printed and molded decorative sheet into an injection mold, then injecting gum into the back of the molded sheet to combine resin and the sheet into an integral curing molding technology, the IMD is a technology for decorating the insert during injection molding, the product is integrated with a decorative printing material in a covering way, and the whole of a three-dimensional molded product can be decorated and printed, so that the product achieves the effect of integrating decoration and functionality.

The existing mold for in-mold decoration injection molding is characterized in that a molding material can be separated from the mold after being cooled to eliminate thermal reaction in the using process, so that a large amount of time is wasted, the working efficiency of the mold is reduced, and the precision of a pressing mold is easily reduced when the speed is high in the descending process of an upper mold.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a mould for in-mould decoration and injection molding.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an decorate mould for injection moulding in mould, includes the lower mould and goes up the mould, the equal fixed mounting in lower surface four corners of lower mould has the stabilizer blade, and the inside of lower mould has seted up the mould groove, the below in mould groove is provided with the thread groove, and the inside of thread groove runs through there is the ejector pin, the lower extreme of ejector pin is connected with the transmission shaft, and the lower extreme of transmission shaft is connected with servo motor, servo motor's outside fixed mounting has the fixed bolster, the upper surface four corners of lower mould has all welded the gag lever post, and the equal fixed mounting in the left and right sides of lower mould has electric putter, electric putter's exit end is connected with the piston rod, and the upper end of piston rod is connected with the.

Preferably, the lower die is in threaded connection with the ejector rod through a thread groove, and the ejector rod forms a rotating structure with the servo motor through a transmission shaft.

Preferably, the ejector rods are parallel to each other, and the vertical center line of the ejector rods is superposed with the vertical center line of the thread grooves.

Preferably, the electric push rods form a telescopic structure through the piston rods and the connecting rods, and the electric push rods are symmetrical with each other about a vertical central line of the upper die.

Preferably, the upper die is provided with a limiting groove in the inside, the limiting groove is fixedly provided with a spring in the inside, and the lower end of the spring is connected with a pressing block.

Preferably, the limiting groove is connected with the pressing block through a spring, and the inner diameter of the limiting groove is equal to the outer diameter of the limiting rod.

Compared with the prior art, the beneficial effects of the utility model are that:

through the spacing groove, mutually support between spring and the briquetting, make and go up the mould and have buffer function at the decline in-process, it descends until gag lever post extrusion briquetting to go up the mould, the spring provides the thrust reversal for last mould, make and go up mould falling speed and slow down, improve mould descending stationarity, improve the accuracy nature of mould moulding-die, after the material shaping, will go up mould rebound, afterwards, for servo motor circular telegram, servo motor drives the ejector pin through the transmission shaft and rotates and rise, the shaping material that lies in the mould inslot portion this moment is by ejector pin jack-up, thereby realize the device's the operation of demoulding, make the material drop fast under the interference of exogenic action through the ejector pin, practice thrift the demoulding time, accelerate the device's work efficiency.

The utility model relates to a rationally, can carry out effectual demoulding operation to the material of mould inslot portion through the setting of ejector pin, and the vibrations power that produces under the servo motor operating condition directly transmits for the lower mould, and the material of being convenient for breaks away from in the lower mould, and secondly the setting of spring can cushion the decline process of last mould, improves the stationarity that goes up the mould decline.

Drawings

FIG. 1 is a schematic structural view of a mold for in-mold decoration injection molding according to the present invention;

FIG. 2 is a schematic view of an extended state structure of a piston rod of the mold for in-mold decoration and injection molding according to the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1.

In the figure: the device comprises a lower die 1, a support leg 2, a die groove 3, a thread groove 4, an ejector rod 5, a transmission shaft 6, a servo motor 7, a fixing support 8, a limiting rod 9, an electric push rod 10, a piston rod 11, a connecting rod 12, an upper die 13, a limiting groove 14, a spring 15 and a pressing block 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a mold for in-mold decoration and injection molding, comprising a lower mold 1 and an upper mold 13, wherein four corners of the lower surface of the lower mold 1 are fixedly provided with support legs 2, a mold groove 3 is formed inside the lower mold 1, a thread groove 4 is formed below the mold groove 3, a top rod 5 penetrates through the thread groove 4, the lower end of the top rod 5 is connected with a transmission shaft 6, the lower end of the transmission shaft 6 is connected with a servo motor 7, a fixed support 8 is fixedly arranged outside the servo motor 7, four corners of the upper surface of the lower mold 1 are welded with limit rods 9, electric push rods 10 are fixedly arranged on the left side and the right side of the lower mold 1, the outlet end of the electric push rod 10 is connected with a piston rod 11, the upper end of the piston rod 11 is connected with one end of a connecting rod 12, the upper mold 13 is arranged at the other end of the connecting rod 12, the mold has reasonable, and the shaking force that produces under servo motor 7 operating condition directly transmits lower mould 1, is convenient for the material to break away from lower mould 1, and secondly the setting of spring 15 can cushion the decline process of last mould 13, improves the stationarity that goes down of last mould 13.

In the utility model, the lower die 1 is in threaded connection with the ejector rod 5 through the thread groove 4, the ejector rod 5 forms a rotating structure with the servo motor 7 through the transmission shaft 6, the ejector rods 5 are parallel to each other, the vertical central line of the ejector rod 5 coincides with the vertical central line of the thread groove 4, the electric push rod 10 forms a telescopic structure through the piston rod 11 and the connecting rod 12, the electric push rod 10 is symmetrical about the vertical central line of the upper die 13, the upper die 13 is internally provided with the limiting groove 14, the limiting groove 14 is internally and fixedly provided with the spring 15, the lower end of the spring 15 is connected with the pressing block 16, the limiting groove 14 is connected with the pressing block 16 through the spring 15, the internal diameter of the limiting groove 14 is equal to the external diameter of the limiting rod 9, the utility model has reasonable design, the effective demoulding operation can be carried out on the material in the die groove 3 through the arrangement of the ejector rod 5, and the vibration force generated, the material of being convenient for breaks away from in lower mould 1, and secondly the setting of spring 15 can cushion the decline process of going up mould 13, improves the stationarity that goes up mould 13 and descend.

The working principle is as follows: when the device is used, materials are injected into the lower die 1, then the electric push rod 10 with the model of XTL100 is electrified, so that the electric push rod 10 makes reciprocating motion, when the piston rod 11 contracts, the upper die 13 descends, at the moment, the limiting rod 9 on the upper surface of the upper die 13 penetrates through the limiting groove 14, as the spring 15 and the pressing block 16 are arranged in the limiting groove 14, when the limiting rod 9 extrudes the pressing block 16, the spring 15 provides reverse thrust, so that the descending speed of the upper die 13 is reduced, the descending stability of the upper die 13 is improved, the pressing accuracy of the upper die 13 is improved, after the materials are formed, the upper die 13 moves upwards, then the servo motor 7 is electrified, the servo motor 7 drives the ejector rod 5 to rotate and rise through the transmission shaft 6, at the moment, the formed materials in the die groove 3 are jacked upwards by the ejector rod 5, so that the film stripping operation of the device is realized, after the formed materials, until the mandril 5 is retracted into the thread groove 4 again, the support leg 2 is positioned at the lower end of the lower die 1 and is used for supporting the lower die 1, and the overall stability of the device is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a decorate mould for injection moulding in mould, includes lower mould (1) and last mould (13), its characterized in that, the equal fixed mounting in lower surface four corners of lower mould (1) has stabilizer blade (2), and the inside of lower mould (1) has seted up mould groove (3), the below of mould groove (3) is provided with thread groove (4), and the inside of thread groove (4) runs through ejector pin (5), the lower extreme of ejector pin (5) is connected with transmission shaft (6), and the lower extreme of transmission shaft (6) is connected with servo motor (7), the outside fixed mounting of servo motor (7) has fixed bolster (8), gag lever post (9) have all been welded in the upper surface four corners of lower mould (1), and the equal fixed mounting in the left and right sides of lower mould (1) has electric putter (10), the exit end of electric putter (10) is connected with piston rod (11), and the upper end of the piston rod (11) is connected with one end of the connecting rod (12), and the upper die (13) is positioned at the other end of the connecting rod (12).

2. The mold for in-mold decoration injection molding according to claim 1, wherein the lower mold (1) is in threaded connection with the ejector rod (5) through the thread groove (4), and the ejector rod (5) forms a rotating structure with the servo motor (7) through the transmission shaft (6).

3. The mold for in-mold decoration injection molding according to claim 1, wherein the ejector pins (5) are parallel to each other, and a vertical center line of the ejector pin (5) coincides with a vertical center line of the thread groove (4).

4. The mold for in-mold decoration injection molding according to claim 1, wherein the electric push rods (10) form a telescopic structure through the piston rods (11) and the connecting rods (12), and the electric push rods (10) are symmetrical with respect to a vertical center line of the upper mold (13).

5. The mold for in-mold decoration and injection molding according to claim 1, wherein a limiting groove (14) is formed in the upper mold (13), a spring (15) is fixedly installed in the limiting groove (14), and a pressing block (16) is connected to the lower end of the spring (15).

6. The mold for in-mold decoration according to claim 5, wherein the stopper groove (14) is connected to the pressing block (16) by a spring (15), and an inner diameter of the stopper groove (14) is equal to an outer diameter of the stopper rod (9).