CN213056082U

CN213056082U - IML slide high-pressure forming equipment

Info

Publication number: CN213056082U
Application number: CN202021369507.1U
Authority: CN
Inventors: 胡致康
Original assignee: Fulian Industry Shenzhen Co ltd
Current assignee: Fulian Industry Shenzhen Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-04-27
Anticipated expiration: 2030-07-14

Abstract

The utility model relates to the technical field of molding, and discloses IML slide high-pressure molding equipment, which comprises a molding base, wherein the molding base is provided with a first push plate and a second push plate, the molding base is provided with a pressure molding device and an injection molding device, and a rotating device is also arranged between the first push plate and the second push plate; the composite slide die device comprises a first forming die, a second forming die and a third forming die, wherein the first forming die is connected with the first push plate, the second forming die is arranged on the rotating device and provided with at least two sets of slide mechanisms, and the third forming die is arranged on the second push plate; this shaping assembly has following advantage: 1. only one person is needed to watch, so that the labor can be greatly saved; 2. the occupied area due to multiple devices corresponding to multiple processes is reduced, and 3, the production and manufacturing cost is reduced.

Description

IML slide high-pressure forming equipment

Technical Field

The utility model relates to an IML shaping technical field especially relates to an IML capable position high pressure former.

Background

The IML is an In Molding Label, which is called as an In-mold insert injection Molding technology, and because the conventional injection molded product is subjected to injection Molding and then the surface of the product is printed with patterns and the like, and the printed patterns are located on the surface of the injection molded product, the phenomena of color loss and scratching can occur after the product is used for a period of time, so that the overall appearance and practicability of the product are affected.

The IML technology better solves the problems, the existing IML in-mold insert injection molding technology is to firstly form a surface product (usually transparent), then print patterns and the like on the inner surface, and then put the surface product into a mold for secondary injection molding in an insert mode, so that the printed patterns and colors are equal to each other between two layers of materials, and the defects of fading, scratching and the like are better solved. However, the insert molding technique of the conventional IML mold is high in cost, requires a plurality of processes to be completed respectively, and consumes a large amount of manpower and material resources. So that further application of the IML technology is severely limited, and thus, the present inventors have made new inventions.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art not enough, provide an IML capable position high pressure former and forming process thereof, this assembly can realize IML continuous molding, especially to the product shaping that has interior knot to improve IML shaping efficiency, can save manual work and equipment by a wide margin.

In order to achieve the above object, the IML slide high-pressure forming apparatus of the present invention comprises a forming frame, wherein the forming frame is provided with a first push plate and a second push plate, the forming frame is provided with a pressure forming device and an injection molding device, and a rotating device is further arranged between the first push plate and the second push plate; the composite slide mold device comprises a first forming mold, a second forming mold and a third forming mold, the first forming mold is connected to the first push plate, the second forming mold is arranged on the rotating device and provided with at least two sets of slide mechanisms, and the third forming mold is arranged on the second push plate.

Furthermore, a first die cavity is arranged on one side of the second forming die, a second die cavity is arranged on the other side of the second forming die, and the first die cavity and the second die cavity are symmetrical; the slide mechanism comprises an upper slide block, a lower slide block and a power mechanism for driving the upper slide block and the lower slide block to slide, the upper parts of the first die cavity and the second die cavity are connected with the upper slide block in a sliding mode, and the lower parts of the first die cavity and the second die cavity are connected with the lower slide block in a sliding mode.

Furthermore, the pressure forming device is a high-pressure gas forming device, the first forming die is provided with a pressure die cavity, the first forming die and the second forming die can be matched in a sealing mode, double sealing is preferably achieved in a sealing strip mode, namely, the double sealing strips achieve air sealing, and air pressure leakage is prevented.

Preferably, the temperature of the high-pressure gas is 80-120 ℃, and the pressure is 30-50 kg.

Further, the first forming die is provided with at least two layers of sealing rubber strips.

Further, the forward direction and the reverse direction of the second forming die are both 180 degrees.

Furthermore, the forming machine base is provided with a first hydraulic device for driving the first push plate to reciprocate and a second pushing device for driving the second push plate or the rotating device to do reciprocating linear motion.

Furthermore, the rotating device comprises an upper bracket, an upper rotating seat connected to the upper bracket, a lower rotating seat connected to the lower bracket, and a transmission mechanism for driving the lower rotating seat to rotate in a reciprocating manner.

Has the advantages that: compared with the prior art, the IML slide high-pressure forming equipment comprises a forming base, wherein the forming base is provided with a first push plate and a second push plate, the forming base is provided with a pressure forming device and an injection molding device, and a rotating device is arranged between the first push plate and the second push plate; the composite slide die device comprises a first forming die, a second forming die and a third forming die, wherein the first forming die is connected with the first push plate, the second forming die is arranged on the rotating device and provided with at least two sets of slide mechanisms, and the third forming die is arranged on the second push plate; this shaping assembly has following advantage: 1. only one person is needed to watch, so that the labor can be greatly saved; 2. the occupied area due to multiple devices corresponding to multiple processes is reduced, and 3, the production and manufacturing cost is reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a structural diagram of the composite slide mold device of the present invention.

The reference numerals include:

the injection molding machine comprises a molding machine base-1, a first push plate-11, a second push plate-12, a pressure molding device-2, an injection molding device-3, a rotating device-4, an upper bracket-41, an upper rotating seat-42, a lower bracket-43, a lower rotating seat-44, a transmission mechanism-45, a composite slide mold device-5, a first molding mold-51, a pressure mold cavity-511, a second molding mold-52, a first mold cavity-521, a second mold cavity-522, a third molding mold-53, a slide mechanism-6, an upper slide block-61, a lower slide block-62 and a power mechanism-63.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 2.

The utility model discloses an IML slide high pressure forming equipment mainly applies to the indent and has the goods of left-hand thread border, specifically includes shaping frame 1, shaping frame 1 is provided with first push pedal 11 and second push pedal 12, shaping frame 1 is provided with pressure forming device 2 and injection moulding device 3, still be provided with rotary device 4 between first push pedal 11 and the second push pedal 12; the composite slide mold device 5 comprises a first forming mold 51, a second forming mold 52 and a third forming mold 53, wherein the first forming mold 51 is connected to the first push plate 11, the second forming mold 52 is installed on the rotating device 4 and is provided with at least two slide mechanisms 6, and meanwhile, the second forming mold 52 is provided with a heat preservation device, the heat preservation temperature is about 80-100 ℃, so that the sheet product formed at the first time cannot be rapidly shrunk and deformed, and the second time of forming and injection molding are facilitated. The third molding die 53 is mounted on the second push plate 12. The forming assembly has a space for accommodating a mold between a first push plate 11 and a second push plate 12, a composite slide mold device 5 is respectively arranged on the first push plate 11, the second push plate 12 and a rotating device 4, when in work, a first forming mold 51 is matched with one side of a second forming mold 52, first forming is carried out by using a pressure forming device 2, specifically, a film is placed on the second forming mold 52 and then is formed into a corresponding shape, the first forming mold 51 moves backwards under the action of the first push plate 11, the film subjected to pressure forming is left on the second forming mold 52 at the moment, the second forming mold 52 rotates 180 degrees, the first forming mold 51 is matched with the second forming mold 52 again to form another film, and meanwhile, the previously formed film is subjected to injection molding by an injection molding device 3 under the matching of the second forming mold 52 and a third forming mold 53, so that the formed inner side is subjected to injection molding compounding to obtain a compounded product, after the compounding is finished, the second push plate 12 acts on the third forming die 53 and then moves to open the die, and the compounded product is obtained. The injection molding device 3 in this scheme can adopt the prior art. To sum up, this assembly has following advantage: 1. Only one person is needed to watch, so that the labor can be greatly saved; 2. the occupied area due to multiple devices corresponding to multiple processes is reduced, 3, the production and manufacturing cost is reduced; 4. the mode of carrying out the second molding through rotating immediately after the first molding can improve the molding quality of products, and is beneficial to reducing the problems of plane deformation, unevenness, shrinkage, upwarp and the like caused by long-time cooling of a sheet molding part in the prior molding technology.

In the present technical solution, a first mold cavity 521 is disposed on one side of the second forming mold 52, a second mold cavity 522 is disposed on the other side, and the first mold cavity 521 and the second mold cavity are symmetrical; the slide mechanism 6 comprises an upper slide block 61, a lower slide block 62 and a power mechanism 63 for driving the upper slide block and the lower slide block to slide, and the power mechanism preferably directly adopts a cylinder, and the cost of the cylinder is low because the second molding die 52 rotates in a reciprocating manner. The upper portion sliding connection of first die cavity and second die cavity has the top shoe, the lower part sliding connection of first die cavity and second die cavity has lower slider, the inner of top shoe and lower slider is the fashioned die cavity part of the back-off limit of indent goods in fact, during first shot forming, fashioned film is in first die cavity 521 or second die cavity 522, when the secondary forming, under power unit's effect, top shoe 61 and lower slider 62 open from top to bottom to can be taken out by the die sinking automation of third die cavity, its reason lies in: the film formed in the first molding process is cooled and shrunk in the second molding process, and it is a matter of course that at least one negative pressure adsorption part is provided in the convex part of the third molding die 53 to achieve better demolding effect, thereby achieving further auxiliary adsorption demolding effect.

As shown in fig. 2, the pressure forming apparatus 2 is a high-pressure gas forming apparatus, the first forming die 51 is provided with a pressure die cavity 511, and the first forming die 51 and the second forming die 52 can be in sealing fit, specifically, the first forming die is provided with at least two layers of sealing rubber strips, so that when the first forming die is in fit with the second forming die, a sealing effect is achieved. The temperature of the high-pressure gas is 80-120 ℃, and the pressure is 30-50 kg. The first molding method using high-temperature and high-pressure gas can be applied to products with high surface smoothness, such as transparent products.

In the technical scheme, the forming machine base 1 is provided with a first hydraulic device for driving the first push plate 11 to reciprocate and a second pushing device for driving the second push plate 12 or the rotating device to do reciprocating linear motion. First push pedal 11 and the equal sliding connection of second push pedal 12 have a high accuracy guide rail, under first hydraulic means and second pusher's effect, make first push pedal 11 and second push pedal 12 carry out the displacement along the high accuracy guide rail, improve the shaping precision of mould. Alternatively, the second pushing device may be used to drive the rotating device to reciprocate linearly (not shown) relative to the third forming mold, i.e. the third forming mold is kept stationary and does not move, which is advantageous for the third forming mold 53 to cooperate with the injection head of the injection molding machine.

In this embodiment, the rotating device 4 includes an upper bracket 41, an upper rotating base 42 connected to the upper bracket 41, a lower bracket 43, a lower rotating base 44 connected to the lower bracket 43, and a transmission mechanism 45 for driving the lower rotating base 44 to rotate reciprocally. The transmission mechanism 45 includes a servo motor and a gear set, and the servo motor is controlled by the control device of the assembly equipment in a unified manner. The second forming die 52 is mounted on the upper swivel mount 42 and the lower swivel mount 44, and when in operation, the transmission mechanism 45 drives the second forming die 52 to rotate forward or reversely by 180 degrees.

The utility model also provides a compound continuous molding process of IML high pressure specifically includes following shaping step:

s1, silk-screen printing, namely printing pictures on the surface of a film;

s2, a positioning step, namely placing a film into a composite die and positioning, wherein the film is a composite plate, the composite material is PC and PMMA, and the thickness of the film is 0.6-1 mm;

s3, a primary forming step, namely performing primary high-pressure or hot-press forming on the compound die, and positioning the formed rubber sheet in a die cavity of a middle die of the compound die;

s4, a compounding step, namely heating the middle mold to be kept at 80-100 ℃, horizontally rotating for 180 degrees, placing another rubber sheet into another mold cavity of the middle mold for positioning, and performing high-pressure or hot-press molding; simultaneously, performing injection molding compounding to enable the molded film to perform inner side injection molding compounding;

s5, blanking, and automatically discharging the composite molded product;

s6, fine carving, namely performing fine carving on the product which is formed by composite forming, so as to remove composite excess materials; the molding process can be carried out by only one person on duty, so that the labor can be greatly saved; the molding efficiency is improved; the mode of carrying out the second molding through rotating immediately after the first molding can improve the molding quality of products, and is beneficial to reducing the problems of plane deformation, unevenness, shrinkage, upwarp and the like caused by long-time cooling of a sheet molding part in the prior molding technology.

Further, in the step S3, the high-pressure molding is performed to form the high-pressure gas at a temperature of 80 to 120 ℃ and a pressure of 30 to 50kg, and the first molding method using the high-temperature high-pressure gas is applicable to products with high surface smoothness, such as products with transparent surfaces, on the inner surfaces of the products, and the temperature of the hot-press molding is 80 to 120 ℃, so that energy can be greatly saved, the dimensional accuracy of molding can be ensured, and the products with acute angles and the like are selected optimally.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. The utility model provides a capable position high pressure forming equipment of IML, includes the shaping frame, its characterized in that: the forming machine base is provided with a first push plate and a second push plate, the forming machine base is provided with a pressure forming device and an injection molding device, and a rotating device is arranged between the first push plate and the second push plate; the composite slide mold device comprises a first forming mold, a second forming mold and a third forming mold, the first forming mold is connected to the first push plate, the second forming mold is arranged on the rotating device and provided with at least two sets of slide mechanisms, and the third forming mold is arranged on the second push plate.

2. An IML lineposition high pressure forming apparatus according to claim 1, wherein: a first die cavity is arranged on one side of the second forming die, a second die cavity is arranged on the other side of the second forming die, and the first die cavity and the second die cavity are symmetrical; the slide mechanism comprises an upper slide block, a lower slide block and a power mechanism for driving the upper slide block and the lower slide block to slide, the upper parts of the first die cavity and the second die cavity are connected with the upper slide block in a sliding mode, and the lower parts of the first die cavity and the second die cavity are connected with the lower slide block in a sliding mode.

3. An IML lineposition high pressure forming apparatus according to claim 2, wherein: the pressure forming device is a high-pressure gas forming device, the first forming die is provided with a pressure die cavity, and the first forming die and the second forming die can be matched in a sealing mode.

4. An IML lineup high pressure forming apparatus as recited in claim 3, wherein: the temperature of the high-pressure gas is 80-120 ℃, and the pressure is 30-50 kg.

5. An IML lineposition high pressure forming apparatus according to claim 2, wherein: the first forming die is provided with at least two layers of sealing rubber strips.

6. An IML lineposition high pressure forming apparatus according to claim 1, wherein: the forward direction and the reverse direction of the second forming die are both 180 degrees.

7. An IML lineposition high pressure forming apparatus according to claim 1, wherein: the forming machine base is provided with a first hydraulic device for driving the first push plate to reciprocate and a second pushing device for driving the second push plate to do reciprocating linear motion.

8. An IML lineposition high pressure forming apparatus according to claim 1, wherein: the forming machine base is provided with a first hydraulic device for driving the first push plate to reciprocate and a second pushing device for driving the rotating device to do reciprocating linear motion.

9. An IML slide high pressure molding apparatus as claimed in any one of claims 1 to 8, wherein: the rotating device comprises an upper support, an upper rotating seat connected to the upper support, a lower rotating seat connected to the lower support, and a transmission mechanism driving the lower rotating seat to rotate in a reciprocating manner.