CN115416267A - Diaphragm processing die, diaphragm processing equipment and diaphragm processing method - Google Patents

Abstract

The invention relates to the technical field of die equipment, and discloses a diaphragm processing die, diaphragm processing equipment and a diaphragm processing method. The membrane processing die comprises an upper die base, a lower die base, a heating structure, a driving structure, a pressing plate and an elastic assembly, wherein the upper die base is provided with an air inlet channel; the lower die base is covered on the upper die base to form a sealed cavity, the lower die base is provided with an air outlet channel and a jig, the jig is used for being placed on a product or used for molding the diaphragm, the jig is provided with a first through hole, and the first through hole is connected with the air outlet channel; the heating structure is arranged on the upper die base and is positioned in the sealed cavity; the driving structure is arranged on the upper die base and is positioned in the sealed cavity; the pressing plate is arranged on the driving structure and is positioned between the heating structure and the jig; the elastic assembly is arranged on the jig, faces one side of the pressing plate and is used for placing the diaphragm and positioning the diaphragm. The auxiliary stretching is reduced, the stretching rate of the membrane is increased, the material is saved, the production period is shortened, the sticking problem and the air trapping problem are avoided.

Description

Diaphragm processing die, diaphragm processing equipment and diaphragm processing method

Technical Field

The invention relates to the technical field of die equipment, in particular to a diaphragm processing die, diaphragm processing equipment and a diaphragm processing method.

Background

Along with the continuous renewal of cell-phone, panel computer, electronic product and car, the product tends to be thinner, lighter, more pleasing to the eye and more diversified, in order to let the outward appearance of product more pleasing to the eye more diversified, increase user's use experience, more and more product design adopts 3D structure casing, generally through the diaphragm that has the decorative layer at the 3D structure casing back or the laminating of surface at electronic product, substrate layer and gum layer, this diaphragm can be used to the laminating, IMD moulds plastics, or direct molding is used as product casing decoration, can process various patterns and colour on the decorative layer, increase pleasing to the eye and the diversification of product. However, the existing film laminating or preforming equipment has single function, and the problems of film laminating printing, bubbles, wrinkling, warping and the like between the film and the electronic product shell or a jig due to poor exhaust often occur when the film is laminated on the 3D structure shell; or the problems of air entrapping, wrinkling, raising and the like are generated during the forming of the diaphragm, so that the material makeup interval is large, the material is wasted, the production cycle is long, the manufacturing process cost is high, the efficiency is low, the yield is low and the like, and the current diversified production requirements cannot be met. The whole set of mould of traditional mould is customized the design, and the cycle is long, and is with high costs.

Disclosure of Invention

The invention mainly aims to provide a diaphragm processing die, diaphragm processing equipment and a diaphragm processing method, and aims to solve the technical problems that the existing diaphragm processing die is single in function, cannot meet the existing diversified production requirements, cannot solve product gas trapping, is long in production period, wastes materials and is easy to generate pad pasting prints.

In order to achieve the above object, the present invention provides a membrane processing mold, including:

the upper die holder is provided with an air inlet channel;

the lower die base is covered on the upper die base to form a sealed cavity, the lower die base is provided with an air outlet channel and a jig, the jig is used for being placed on a product or used for molding a diaphragm, the jig is provided with a first through hole, and the first through hole is connected with the air outlet channel;

the heating structure is arranged on the upper die base and is positioned in the sealed cavity;

the driving structure is arranged on the upper die base and is positioned in the sealed cavity;

the pressing plate is arranged on the driving structure and is positioned between the heating structure and the jig;

the elastic assembly is arranged on the jig, faces one side of the pressing plate and is used for placing the diaphragm and positioning the diaphragm.

Optionally, in an embodiment, the upper die holder further includes a first fixing plate and a first connecting rod, the first fixing plate is fixed on the inner wall of the upper die holder through the first connecting rod, and the heating structure is fixed on a surface of the first fixing plate facing the side of the pressing plate.

Optionally, in an embodiment, a first groove is arranged in the upper die base, an air outlet of the air inlet channel is arranged in the first groove, the upper die base further includes an air diffuser and a second connecting rod, one end of the second connecting rod is fixed on the first groove, the air diffuser is fixed at the other end of the second connecting rod and is located in the first groove, and a gap is formed between a side wall of the air diffuser and an inner side wall of the first groove.

Optionally, in an embodiment, the driving structure includes a first driving element and a second driving element, the first driving element and the second driving element are respectively disposed on two inner walls of the upper die base and respectively located at two sides of the heating structure, and are used for driving the pressing plate to move linearly towards the jig, the pressing plate is provided with a plurality of second through holes, and the second through holes are located between the heating structure and the diaphragm.

Optionally, in an embodiment, the jig is provided with a second groove, the second groove is used for fixing a product, the first through hole is located in the second groove, the first through hole is connected to the air outlet channel, and an air outlet of the air outlet channel is connected to an external device.

Optionally, in an embodiment, the lower die holder is provided with a third groove, the diaphragm processing mold further includes a second fixing plate, the second fixing plate is covered on the third groove, the second fixing plate is made of a light-transmitting material, the third groove is provided with a UV curing lamp, the second fixing plate is provided with a third through hole, and the third through hole is connected to the air outlet channel.

Optionally, in an embodiment, the lower die holder is provided with a plurality of pipes, the pipes are all located right below the third groove, and a central line of each pipe is parallel to a horizontal line, and the pipes are used for conveying a cooling liquid and cooling the UV curing lamp.

Optionally, in an embodiment, the film processing mold has an observation window, and the observation window is disposed on the upper mold base or the lower mold base and is used for observing an internal condition of the film processing mold.

The present invention also provides a diaphragm processing apparatus, including: pneumatic cylinder, high-pressure air compressor machine, vacuum pressure cabin, vacuum pump and diaphragm mold processing, the pneumatic cylinder connect in diaphragm mold processing's die holder, high-pressure air compressor machine connect in the income gas port of diaphragm mold processing's intake duct, the one end in vacuum pressure cabin connect in the gas outlet of diaphragm mold processing's gas outlet, the other end connect in the vacuum pump.

The invention also provides a membrane processing method, which comprises the following steps:

opening the upper die base and the lower die base;

fixing the product on a jig;

fixing the membrane on the elastic component;

covering the upper die base and the lower die base, and forming a sealed cavity;

the heating structure is started to bake the diaphragm to soften the diaphragm, and meanwhile, air in the sealed cavity is pumped out through the air outlet channel and the first through hole to enable the sealed cavity to form a vacuum state;

controlling a driving structure to drive a pressing plate to move downwards, pressing and attaching the diaphragm to a jig, and enabling the diaphragm and the jig to form a sealed space, wherein the first through hole is located in the sealed space, and the sealed space is only continuously vacuumized by the first through hole;

and blowing high-pressure gas into the sealed cavity through the air inlet channel, and tightly attaching the membrane to the surface of the product to enable the membrane to be attached to the product.

The invention also provides a membrane processing method, which comprises the following steps:

opening the upper die base and the lower die base;

fixing a jig in the lower die base;

fixing the membrane on an elastic component;

the upper die base and the lower die base are covered, and a sealed cavity is formed;

the heating structure is started to bake the diaphragm to soften the diaphragm, and meanwhile, air in the sealed cavity is pumped out through the air outlet channel and the first through hole to enable the sealed cavity to form a vacuum state;

controlling a driving structure to drive a pressing plate to move downwards, pressing and attaching the diaphragm to a jig, and enabling the diaphragm and the jig to form a sealed space, wherein the first through hole is located in the sealed space, and the sealed space is only continuously vacuumized by the first through hole;

through the intake duct to blow in high-pressure gas in the sealed cavity, will the diaphragm is closely laminated in the surface of the shaping portion of tool makes the diaphragm shaping in on the shaping portion.

According to the technical scheme, the upper die holder and the lower die holder are opened firstly, then a product is fixed on a jig of the lower die holder, a membrane is fixed on the elastic component, then the upper die holder and the lower die holder are assembled, so that a sealed cavity is formed inside the upper die holder and inside the lower die holder, the heating structure is opened to bake the membrane while vacuumizing the sealed cavity through external equipment (a vacuum pump) connected to the air outlet channel, the driving structure is opened to drive the pressing plate to linearly move towards the membrane after baking is completed, when the pressing plate is pressed down on the elastic component, the pressing plate continues to move downwards so that the elastic component drives the membrane to linearly move towards the product until the membrane is attached to the jig, a sealed space is formed between the membrane and the product, gas in the sealed space is extracted to keep the sealed space in a vacuum state, high-pressure gas is blown into the sealed cavity through external equipment (high-pressure) connected to the air inlet channel, so that a large pressure difference is formed between the sealed space and the sealed cavity except the sealed space, the membrane is naturally attached to the surface of the product, the air compressor is completely attached to the surface of the product, the air compressor, the upper die holder and the membrane is closed, and the product is taken out, and the air compressor, and the product is attached to be attached to the product. According to the scheme, after baking is finished, the pressing plate is pressed downwards and drives the elastic assembly and the membrane to be pressed downwards onto the jig, the distance between the membrane and a product is shortened, auxiliary stretching on the membrane is reduced, and the ductility of the membrane is improved as the membrane becomes soft after being baked, so that the ductility stretching rate of the membrane is improved, and membrane materials are saved; the vacuumizing and baking are carried out simultaneously, so the production period is shortened, and in the baking process, the membrane is fixed on the elastic component and is not pressed down, so that the membrane and the product have a certain distance, and the membrane sticking mark caused by the fact that the material is softened and droops to contact the surface of the product when being baked again is avoided; during vacuum pumping, the diaphragm is not pressed down, all parts of the sealed cavity are communicated, and air trapping caused by incomplete vacuum pumping due to pressure difference during fitting is avoided.

Drawings

One or more embodiments are illustrated in drawings corresponding to, and not limiting to, the embodiments, in which elements having the same reference number designation may be represented as similar elements, unless specifically noted, the drawings in the figures are not to scale.

FIG. 1 is a schematic diagram of an exploded view of a diaphragm processing die in accordance with one embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a diaphragm processing mold according to an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at B;

FIG. 4 is an enlarged view of a portion of FIG. 2 at C;

FIG. 5 is a schematic structural diagram of a film processing apparatus according to an embodiment of the present invention;

FIG. 6 is a schematic flow chart of a first process of the present invention applied to a diaphragm processing mold;

fig. 7 is a schematic flow chart of a second processing method applied to a film processing mold according to the present invention.

10, processing a die for the diaphragm; 11. an upper die holder; 110. an air inlet channel; 111. a first fixing plate; 112. a first connecting rod; 113. a first groove; 114. a diffuser plate; 115. a second connecting rod; a. a gap; 12. a lower die holder; 120. an air outlet channel; 121. a jig; 122. a first through hole; 123. a first inner side wall; 124. a second inner side wall; 125. a second groove; 127. a third groove; 128. a pipeline; 13. a heating structure; 14. a drive structure; 140. a first driving member; 141. a second driving member; 15. pressing a plate; 150. a second through hole; 16. an elastic component; 17. a membrane; 18. a second fixing plate; 180. a third through hole; 19. a UV curing lamp; 20. an observation window; 21. membrane processing equipment; 210. a hydraulic cylinder; 211. a high pressure air compressor; 212. a vacuum pressure chamber; 213. a vacuum pump.

Detailed Description

In order to facilitate an understanding of the invention, reference will now be made in detail to the present embodiments of the invention, examples of which are illustrated in the accompanying drawings. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," "inner," "outer," and the like as used herein are for descriptive purposes only. In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating relative importance or as implicitly indicating the number of technical features indicated. Thus, unless otherwise specified, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; "plurality" means two or more. The terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that one or more other features, integers, steps, operations, elements, components, and/or combinations thereof may be present or added.

Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, fixed connections, removable connections, and integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 4, an embodiment of the present invention discloses a film processing mold 10, where the film processing mold 10 includes an upper mold base 11, a lower mold base 12, a heating structure 13, a driving structure 14, a pressing plate 15, and an elastic assembly 16, and the upper mold base 11 is provided with an air inlet 110; the lower die holder 12 covers the upper die holder 11 to form a sealed cavity, the lower die holder 12 is provided with an air outlet channel 120 and a jig 121, the jig 121 is used for placing a product or for molding a diaphragm, the jig 121 is provided with a first through hole 122, and the first through hole 122 is connected with the air outlet channel 120; the heating structure 13 is arranged on the upper die holder 11 and is positioned in the sealed cavity; the driving structure 14 is arranged on the upper die holder 11 and is located in the sealed cavity; the pressing plate 15 is arranged on the driving structure 14 and is positioned between the heating structure 13 and the jig 121; the elastic component 16 is disposed on the fixture 121 and faces one side of the pressing plate 15, and is used for placing the membrane 17 and positioning the membrane 17.

Specifically, the heating structure 13 can be an Infrared (IR) baking oven or a ceramic baking tray, and the infrared penetration is strong, the heating efficiency is high, and the baking time is saved; the driving structure 14 comprises a first driving member 140 and a second driving member 141, and both the first driving member 140 and the second driving member 141 can be cylinders; the elastic component 16 may be a pogo pin; the product may be a 3D structure or a plane.

In this embodiment, when the film 17 is attached to the product, a layer of glue is applied to the surface of the film 17 facing the product, for gluing the film 17 to the product, the upper die bed 11 and the lower die bed 12 are first opened, then fixing the product on the jig 121 of the lower die holder 12, and fixing the membrane 17 on the elastic assembly 16, then the upper die holder 11 and the lower die holder 12 are assembled to form a sealed cavity inside the upper die holder 11 and inside the lower die holder 12, the heating structure 13 is turned on to bake the diaphragm 17 while the sealed cavity is evacuated by an external device (vacuum pump 213) connected to the gas outlet channel 120, and the heating structure 13 is turned off after baking is completed, and the driving structure 14 is opened, so that the driving structure 14 drives the pressure plate 15 to move linearly towards the membrane 17, when the pressing plate 15 presses down on the elastic component 16, the pressing plate continues to move downwards so that the elastic component 16 drives the membrane 17 to move linearly towards the product until the membrane 17 is attached to the jig 121, so that a sealed space is formed between the membrane 17 and the product, and the gas in the sealed space is pumped out to keep the sealed space in a vacuum state, and then high-pressure gas is blown into the sealed cavity through an external device (a high-pressure air compressor 211) connected with the air inlet channel 110, so that a large pressure difference is formed between the sealed space and the sealed cavity except the sealed space, the membrane 17 is naturally attached to the surface of the product, after the membrane 17 is completely attached to the product, the high-pressure air compressor 211 and the vacuum pump 213 are closed, the upper die holder 11 and the lower die holder 12 are then opened and the product with the film 17 already applied is removed. According to the scheme, after baking is finished, the pressing plate 15 is pressed downwards to drive the elastic assembly 16 and the membrane 17 to be pressed downwards onto the jig 121, the distance between the membrane 17 and a product is shortened, auxiliary stretching of the membrane 17 is reduced, and the ductility of the membrane 17 is improved because the membrane 17 becomes soft after baking, so that the ductility stretching rate of the membrane 17 is improved, the membrane 17 material is saved, the material makeup interval of the membrane 17 is small, the utilization rate is high, the number of makeup is increased, the production efficiency is improved, and the manufacturing process cost is reduced; because the vacuumizing and the baking are carried out simultaneously, the production period is shortened, and in the baking process, the membrane 17 is fixed on the elastic component 16 and is not pressed down, so that a certain distance is reserved between the membrane 17 and the product, and the phenomenon that the material is softened and droops to contact the surface of the product to cause film sticking marks is avoided; during the evacuation, diaphragm 17 has not pushed down yet, makes the intercommunication everywhere of seal chamber, avoids producing the trapped air when the laminating because of the pressure differential leads to the evacuation thoroughly.

When the diaphragm 17 is formed on the jig 121, the diaphragm 17 does not need to be coated with a layer of glue, and a product is not needed, so long as the jig 121 is replaced with a jig having a forming part for forming the diaphragm 17, the forming part has a shape required by forming the diaphragm 17, the diaphragm 17 is directly attached to the forming part of the jig 121, after the diaphragm 17 is cooled, the jig 121 attached to the diaphragm 17 is taken out, the diaphragm 17 is demolded, and then the waste edge of the formed diaphragm is removed, so that the diaphragm 17 having the shape of the forming part is obtained.

In an embodiment, the upper die base 11 further includes a first fixing plate 111 and a first connecting rod 112, the first fixing plate 111 is fixed on an inner wall of the upper die base 11 by the first connecting rod 112, and the heating structure 13 is fixed on a surface of the first fixing plate 111 facing the side of the pressing plate 15.

In this embodiment, through inciting somebody to action intake duct 110 set up in the interior roof of upper die base 11, and will head rod 112 is fixed in on the interior roof of upper die base 11, set up first fixed plate 111 again in on head rod 112, and will heating structure 13 set up in first fixed plate 111 orientation the clamp plate 15 one side on the surface, when intake duct 110 lets in high-pressure gas, first fixed plate 111 forms certain blockking to high-pressure gas, avoids high-pressure gas directly to blow heating structure 13 is last and damage heating structure 13.

In an embodiment, a first groove 113 is provided in the upper die base 11, an air outlet of the air inlet channel 110 is provided in the first groove 113, the upper die base 11 further includes an air diffuser plate 114 and a second connecting rod 115, one end of the second connecting rod 115 is fixed on the first groove 113, the air diffuser plate 114 is fixed at the other end of the second connecting rod 115 and is located in the first groove 113, and a gap a is provided between a side wall of the air diffuser plate 114 and an inner side wall of the first groove 113.

In this embodiment, the first groove 113 is formed in the inner top wall of the upper die holder 11, the second connecting rod 115 is fixed in the first groove 113, the air diffuser plate 114 is fixed on the second connecting rod 115, the air diffuser plate 114 is located in the first groove 113, the air diffuser plate 114 is spaced from the top surface of the first groove 113 by the connection of the second connecting rod 115, so that the flow of high-pressure air is facilitated, a gap a is formed between the side wall of the air diffuser plate 114 and the inner side wall of the first groove 113, and the gap a allows the high-pressure air to be blown toward the diaphragm 17, so that the high-pressure air is prevented from being blown toward other directions, and the production time is prevented from being wasted. When high-pressure gas is input from the gas outlet of the inlet channel 110, which is arranged in the first groove 113, the high-pressure gas sequentially passes through the space between the air diffuser plate 114 and the top surface of the first groove 113 and the gap a between the side wall of the air diffuser plate 114 and the inner side wall of the first groove 113 to blow to each part of the sealed cavity, and the air diffuser plate 114 disperses the blown high-pressure gas to a certain extent to prevent the high-pressure gas from blowing to a certain part in a highly concentrated manner to damage the part.

In an embodiment, the driving structure 14 includes a first driving element 140 and a second driving element 141, the first driving element 140 and the second driving element 141 are respectively disposed on two inner walls of the upper die base 11 and located on two sides of the heating structure 13 respectively, and are configured to drive the pressing plate 15 to move linearly toward the jig 121, the pressing plate 15 is provided with a plurality of second through holes 150, and the second through holes 150 are located between the heating structure 13 and the diaphragm 17. Specifically, the first driver 140 and the second driver 141 may be cylinders.

The jig 121 is provided with a second groove 125, the second groove 125 is used for fixing a product, the first through hole 122 is located in the second groove 125, the first through hole 122 is connected to the air outlet channel 120, and an air outlet of the air outlet channel 120 is connected to an external device.

In this embodiment, the first driving element 140 is disposed on the first inner sidewall 123 of the upper die base 11, and the second driving element 141 is disposed on the second inner sidewall 124 of the upper die base 11, the first inner sidewall 123 and the second inner sidewall 124 are opposite sidewalls, the first driving element 140 and the second driving element 141 are respectively located at two sides of the heating structure 13, the pressing plate 15 is disposed across the end portion of the first driving element 140 and the end portion of the second driving element 141, the pressing plate 15 is located below the heating structure 13, the first driving element 140 and the second driving element 141 are simultaneously activated, the first driving element 140 and the second driving element 141 drive the pressing plate 15 to linearly move towards the jig 121, when the pressing plate 15 moves to contact with the pogo pins, the pressing plate 15 drives the elastic component 16 to move towards the jig 121, and the elastic component 16 moves down and simultaneously drives the diaphragm 17 to the jig 121, when the diaphragm 17 moves to the jig 121 and is attached to the end surface of the convex edge of the jig 121, the first driving part 140 and the second driving part 141 keep driving force, so that the pressing plate 15 presses the elastic component 16 and the diaphragm 17 on the end surface of the convex edge of the jig 121, then the external equipment (high-pressure air compressor 211) connected to the air inlet channel 110 is opened to blow high-pressure air into the sealed cavity, the high-pressure air is blown to the diaphragm 17 through the second through hole 150 of the pressing plate 15, and meanwhile, the external equipment (vacuum pump 213) connected to the air outlet channel 120 is opened to form a tight seal with the product in the second groove 125 when the jig 121 is attached to the diaphragm 17 through the first through hole 122 arranged in the second groove 125 And vacuumizing the sealed space, wherein a larger pressure difference is generated between the surface of the membrane 17 facing the pressure plate 15 and the surface of the membrane 17 facing the product, the surface of the membrane 17 facing the pressure plate 15 is high-pressure, the surface of the membrane 17 facing the product is low-pressure, and the membrane 17 is attached to the surface of the product more naturally under the action of the high pressure.

In an embodiment, the lower die holder 12 is provided with a third groove 127, the membrane processing die 10 further includes a second fixing plate 18, the second fixing plate 18 is covered and disposed on the third groove 127, the second fixing plate 18 is made of a light-transmitting material, the third groove 127 is provided with a UV curing lamp 19, the second fixing plate 18 is provided with a third through hole 180, and the first through hole 122 is connected to the air outlet channel 120 through the third through hole 180.

The lower die base 12 is provided with a plurality of pipelines 128, the pipelines 128 are all located right below the third groove 127, and the center lines of the pipelines 128 are parallel to the horizontal line, and are used for conveying cooling liquid and cooling the UV curing lamp 19.

In this embodiment, the second fixing plate 18 is used to fix the jigs 121 for placing the products, the second fixing plate 18 is provided with a plurality of fixing areas for fixing the jigs 121, and each fixing area can fix one jig 121, so that in the production process, the jig 121 can be installed in each fixing area correspondingly, so that the film sticking of several products can be completed at one time, the production efficiency is improved, and the production time is saved. Or in the process of batch production, the sticking films of various different products can be produced simultaneously by replacing different jigs 121 without re-customizing the whole set of film processing mold 10, and the mold opening period of the jigs 121 is short and the cost is low, so that the production period and the production cost are greatly reduced; or the jig 121 is replaced with a jig 121 having a molding portion for molding the film 17, the molding portion has a shape required for molding the film 17, the film 17 is attached to the molding portion of the jig 121, after the film 17 is cooled, the jig 121 to which the film 17 is attached is taken out, the film 17 is demolded, and then the waste edge of the molded film is removed to obtain the film 17 having the shape of the molding portion, so that the present diversified production requirements can be satisfied. By arranging the third groove 127 on the lower die base 12, arranging the UV curing lamp 19 in the groove, then covering the second fixing plate 18 with light-transmitting property on the third groove 127, after the membrane 17 is attached to the surface of the product more naturally under high pressure, turning on the UV curing lamp 19 to cure and bake the glue coated on the surface of the membrane 17 facing the product, wherein the glue can be UV glue, the UV glue can avoid the problem that the membrane 17 is easy to eject and stamp, so that the membrane 17 is more firmly attached to the product, then arranging a plurality of pipelines 128 right below the third groove 127 of the UV curing lamp 19, and inputting cooling liquid into the pipelines 128, wherein the cooling liquid is used for cooling the UV curing lamp 19 to prevent the accumulated heat from damaging the UV curing lamp 19.

In one embodiment, the film processing mold 10 has an observation window 20, and the observation window 20 is disposed on the upper mold base 11 or the lower mold base 12 for observing the internal condition of the film processing mold 10. Specifically, through the lateral wall of upper die base 11 perhaps the lateral wall of lower bolster 12 sets up observation window 20, observation window 20 can be the transparent glass board, and convenience of customers passes through observation window 20 observes in real time in the diaphragm mold processing 10 diaphragm 17 toasts the situation (whether diaphragm 17 becomes soft flagging and flagging the condition), the laminating condition of diaphragm 17 and product and the shaping condition of diaphragm 17 to the user is according to the timely adjustment parameter of real-time situation, shortens the examination mould time, improves examination mould efficiency.

As shown in fig. 5, an embodiment of the present invention further discloses a diaphragm processing apparatus 21, where the diaphragm processing apparatus 21 includes a hydraulic cylinder 210, a high-pressure air compressor 211, a vacuum pressure chamber 212, a vacuum pump 213, and the diaphragm processing mold 10, the hydraulic cylinder 210 is connected to the lower die base 12 of the diaphragm processing mold 10, the high-pressure air compressor 211 is connected to an air inlet of an air inlet channel 110 of the diaphragm processing mold 10, one end of the vacuum pressure chamber 212 is connected to an air outlet of an air outlet channel 120 of the diaphragm processing mold 10, and the other end is connected to the vacuum pump 213.

In this embodiment, the diaphragm processing mold 10 is first fixed in the diaphragm processing apparatus 21, and the lower die base 12 of the diaphragm processing mold 10 is connected to the hydraulic cylinder 210 of the diaphragm processing apparatus 21, the air inlet of the air inlet channel 110 of the diaphragm processing mold 10 is connected to the high-pressure air compressor 211 of the diaphragm processing apparatus 21, the air outlet of the air outlet channel 120 of the diaphragm processing mold 10 is connected to one end of the vacuum pressure chamber 212 of the diaphragm processing apparatus 21, and the other end of the vacuum pressure chamber 212 of the diaphragm processing apparatus 21 is connected to the vacuum pump 213. A user presses down a die opening button on the membrane processing equipment 21, the hydraulic cylinder 210 receives a die opening instruction, the lower die base 12 and the upper die base 11 are opened, the user fixes a product in the jig 121 firstly, then fixes the membrane 17 on the elastic component 16, the user presses down a die closing instruction on the membrane processing equipment 21, the hydraulic cylinder 210 receives the die closing instruction, covers the lower die base 12 and the upper die base 11 to form a sealed cavity, the heating structure 13 is started to bake the membrane 17, the vacuum pump 213 is started, the vacuum pump 213 pumps out air in the sealed cavity through the vacuum pressure cabin 212 and the air outlet channel 120, the heating structure 13 is closed after the baking is complete, the driving structure 14 is started to drive the press plate 15 to drive the elastic needle and the membrane 17 to move downwards until the membrane 17 is attached to the jig 121, and the membrane 17 and the product in the jig 121 form a sealed space, at the moment, the vacuum pump 213 continuously pumps out the air in the sealed space, so that the air pressure of the sealed space is low, the high-pressure air compressor 211 is started, high-pressure gas is blown into the vacuumized sealed cavity through the air inlet channel 110, high pressure is formed on the surface of the membrane 17 opposite to the product, the high-pressure gas presses the membrane 17 to the surface of the product, the membrane 17 is attached to the product, the UV curing lamp 19 is started, the UV curing lamp 19 cures and bakes the glue coated on the surface of the membrane 17 facing the product, the membrane 17 is more firmly adhered to the product, after the glue cures and bakes, a user presses down a pressure relief instruction on the membrane processing equipment 21, the high-pressure air compressor 211 and the vacuum pump 213 are closed for pressure relief, after the pressure relief is finished, the membrane processing equipment 21 automatically executes a mold opening instruction, and the upper mold base 11 and the lower mold base 12 are opened, the user takes out the product to which the film 17 has been applied. According to the scheme, after baking is finished, the pressing plate 15 is pressed downwards to drive the elastic assembly 16 and the membrane 17 to be pressed downwards onto the jig 121, the distance between the membrane 17 and a product is shortened, auxiliary stretching to the membrane 17 is reduced, the membrane 17 becomes soft after baking is finished, the ductility of the membrane 17 is improved, the membrane reaches a softening point and is easier to attach or form, therefore, the ductility stretching rate of the membrane 17 is improved, and the material of the membrane 17 is saved; because the vacuumizing and the baking are carried out simultaneously, the production period is shortened, and in the baking process, the membrane 17 is fixed on the elastic component 16 and is not pressed down, so that a certain distance is reserved between the membrane 17 and the product, and the phenomenon that the material is softened and droops to contact the surface of the product to cause film sticking marks is avoided; during vacuum pumping, the diaphragm 17 is not pressed down, so that all parts of the sealed cavity are communicated, and air trapping caused by incomplete vacuum pumping due to pressure difference during fitting is avoided.

As shown in fig. 6, the embodiment of the present invention further discloses a membrane processing method, which is applied to the membrane processing mold, and/or applied to the membrane processing apparatus, and includes the following steps:

s1, opening an upper die base and a lower die base;

in this step, will earlier diaphragm mold processing is fixed in the diaphragm processing equipment, and make diaphragm mold processing's die holder connect in diaphragm processing equipment's pneumatic cylinder the income gas port of diaphragm mold processing's intake duct connect in diaphragm processing equipment's high-pressure air compressor machine diaphragm processing mold's the gas outlet of gas outlet duct connect in the one end of diaphragm processing equipment's vacuum pressure cabin, the other end of diaphragm processing equipment's vacuum pressure cabin connect in the vacuum pump. A user presses a die opening button on the diaphragm processing equipment, and after the hydraulic cylinder receives a die opening instruction, the lower die base and the upper die base are opened.

S2, fixing the product on a jig;

in this step, the user fixes the product on the second groove of the jig.

S3, fixing the membrane on the elastic component;

in this step, the elastic component may be a pogo pin, a layer of UV glue is coated on one surface of the membrane, and then the surface of the membrane coated with UV glue is directed to the product, and the membrane is fixed on the pogo pin.

S4, covering the upper die base and the lower die base to form a sealed cavity;

in this step, a user presses a die assembly instruction on the diaphragm processing equipment, and after the hydraulic cylinder receives the die assembly instruction, the lower die holder and the upper die holder are covered to form a sealed cavity.

S5, starting a heating structure to bake the diaphragm to soften the diaphragm, and simultaneously, pumping air in the sealed cavity through the air outlet channel and the first through hole to form a vacuum state in the sealed cavity;

in this step, the heating structure can be an Infrared (IR) baking oven or a ceramic baking tray, the vacuum pump is started while the heating structure is started to bake the diaphragm, the vacuum pump pumps out air in the sealed cavity through the vacuum pressure chamber and the air outlet channel, and the heating structure is closed after the diaphragm is completely baked.

S6, controlling a driving structure to drive a pressing plate to move downwards, pressing and attaching the diaphragm to a jig downwards, enabling the diaphragm and the jig to form a sealed space, and enabling the first through hole to be located in the sealed space, so that the first through hole only continuously vacuumizes the sealed space;

in this step, drive structure includes first driving piece and second driving piece, and first driving piece and second driving piece all can be the cylinder, open drive structure, make drive structure drive clamp plate drive bullet needle and diaphragm downstream to the diaphragm laminating to tool, and the diaphragm forms a confined space with the product that is located the tool, because of first through-hole is in the confined space, consequently, the vacuum pump passes through first through-hole with go out the air channel and continuously take out the air in the confined space, make the atmospheric pressure in confined space low.

S7, blowing high-pressure gas into the sealed cavity through the air inlet channel, and tightly attaching the membrane to the surface of the product to enable the membrane to be attached to the product.

In this step, open high-pressure air compressor machine and blow in high-pressure gas to the seal chamber who has vacuumized through the intake duct, make the relative product of diaphragm on the surface form high pressure, high-pressure gas presses the diaphragm to the surface of product, makes diaphragm and product laminating, opens the UV curing lamp, and the UV curing lamp solidifies the stoving to the glue of coating on the surface of diaphragm towards the product, makes the diaphragm more firmly paste on the product, treats that the glue solidification is toasted the back, and the user presses the pressure release instruction on diaphragm processing equipment, closes carry out the pressure release behind high-pressure air compressor machine and the vacuum pump, and the back is accomplished in the pressure release, diaphragm processing equipment automatic execution die sinking instruction opens upper die base and die holder, and the user takes out the product of pasting the diaphragm.

In the embodiment, after the baking is finished, the pressing plate is pressed downwards to drive the elastic assembly and the membrane to be pressed downwards onto the jig, so that the distance between the membrane and a product is shortened, the auxiliary stretching of the membrane is reduced, and the ductility of the membrane is improved because the membrane becomes soft after being baked, so that the ductility stretching rate of the membrane is improved, and the membrane material is saved; because the vacuumizing and the baking are carried out simultaneously, the production period is shortened, and in the baking process, the membrane is fixed on the elastic component and is not pressed down, so that the membrane has a certain distance with the product, and the phenomenon that the material is softened and droops to contact the surface of the product to cause a film sticking mark is avoided; during vacuum pumping, the diaphragm is not pressed down, all parts of the sealed cavity are communicated, and air trapping caused by incomplete vacuum pumping due to pressure difference during fitting is avoided.

As shown in fig. 7, the embodiment of the present invention further discloses a membrane processing method, which is applied to the membrane processing mold, and/or applied to the membrane processing apparatus, and includes the following steps:

s10, opening an upper die base and a lower die base;

in this step, will earlier diaphragm mold processing is fixed in the diaphragm processing equipment, and make diaphragm mold processing's die holder connect in diaphragm processing equipment's pneumatic cylinder the income gas port of diaphragm mold processing's intake duct connect in diaphragm processing equipment's high-pressure air compressor machine diaphragm processing mold's the gas outlet of gas outlet duct connect in the one end of diaphragm processing equipment's vacuum pressure cabin, the other end of diaphragm processing equipment's vacuum pressure cabin connect in the vacuum pump. A user presses a die opening button on the diaphragm processing equipment, and after the hydraulic cylinder receives a die opening instruction, the lower die base and the upper die base are opened.

S11, fixing a jig in the lower die base;

in this step, the user installs the jig, in which the second groove has the shape of the diaphragm molding, in the lower die holder.

S12, fixing the membrane on the elastic component;

in this step, the elastic member may be a pogo pin, and the diaphragm is fixed to the pogo pin.

S13, covering the upper die base and the lower die base to form a sealed cavity;

in the step, a user presses a die closing instruction on the diaphragm processing equipment, and the hydraulic cylinder covers the lower die base and the upper die base after receiving the die closing instruction to form a sealed cavity.

S14, starting a heating structure to bake the diaphragm to soften the diaphragm, and simultaneously, pumping air in the sealed cavity through the air outlet channel and the first through hole to form a vacuum state in the sealed cavity;

in this step, the heating structure can be an Infrared (IR) baking oven or a ceramic baking tray, the vacuum pump is started while the heating structure is started to bake the diaphragm, the vacuum pump pumps out air in the sealed cavity through the vacuum pressure chamber and the air outlet channel, and the heating structure is closed after the diaphragm is completely baked.

S15, controlling a driving structure to drive a pressing plate to move downwards, pressing and attaching the diaphragm to a jig downwards, enabling the diaphragm and the jig to form a sealed space, and enabling the first through hole to be located in the sealed space, so that the first through hole only continuously vacuumizes the sealed space;

in this step, drive structure includes first driving piece and second driving piece, and first driving piece and second driving piece all can be the cylinder, open drive structure, make drive structure drive clamp plate drive bullet needle and diaphragm downstream to the terminal surface of the chimb of diaphragm laminating to the tool, and the inside of diaphragm and tool forms a confined space, consequently, first through-hole is in the confined space, consequently, the vacuum pump continues to take out the air in the confined space through first through-hole and gas outlet channel, makes confined space's atmospheric pressure low.

S16, blowing in high-pressure gas in the sealed cavity through the air inlet channel, and tightly attaching the diaphragm to the surface of the forming part of the jig to enable the diaphragm to be formed on the forming part.

In this step, open high-pressure air compressor and blow into high-pressure gas through the intake duct to the sealed cavity of evacuation, make the relative product of diaphragm form the high pressure on the surface, high-pressure gas presses the diaphragm to the shaping portion of tool, and the shaping portion has the required shape of diaphragm shaping, makes the diaphragm shaping on the shaping portion of tool, treats this diaphragm cooling back, and the user presses the pressure release instruction on diaphragm processing equipment, closes carry out the pressure release behind high-pressure air compressor and the vacuum pump, and after the pressure release finished, diaphragm processing equipment automatic execution die sinking instruction, open upper die base and die holder, and the user takes out the tool of the diaphragm of having laminated to carry out the drawing of patterns to the diaphragm, then get rid of the slitter edge of shaping diaphragm, obtain the diaphragm that has the shape of shaping portion. Therefore, the production requirement of the prior diversification can be met.

In the embodiment, after the baking is finished, the pressing plate is pressed downwards to drive the elastic assembly and the membrane to be pressed downwards onto the jig, so that the distance between the membrane and a product is shortened, the auxiliary stretching of the membrane is reduced, and the ductility of the membrane is improved because the membrane becomes soft after being baked, so that the ductility stretching rate of the membrane is improved, and the membrane material is saved; because the vacuum pumping and the baking are carried out simultaneously, the production period is shortened.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity; 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 the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (11)

1. The utility model provides a diaphragm mold processing for laminate the diaphragm on the product or with the diaphragm shaping, its characterized in that, diaphragm mold processing includes:

the upper die holder is provided with an air inlet channel;

the lower die base is covered on the upper die base to form a sealed cavity, the lower die base is provided with an air outlet channel and a jig, the jig is used for being placed on a product or used for molding a diaphragm, the jig is provided with a first through hole, and the first through hole is connected with the air outlet channel;

the heating structure is arranged on the upper die base and is positioned in the sealed cavity;

the driving structure is arranged on the upper die base and is positioned in the sealed cavity;

the pressing plate is arranged on the driving structure and is positioned between the heating structure and the jig;

the elastic assembly is arranged on the jig, faces one side of the pressing plate and is used for placing the diaphragm and positioning the diaphragm.

2. The mold of claim 1, wherein the upper mold base further comprises a first fixing plate and a first connecting rod, the first fixing plate is fixed on the inner wall of the upper mold base by the first connecting rod, and the heating structure is fixed on the surface of the first fixing plate facing the pressing plate.

3. The membrane processing mold of claim 1 or 2, wherein a first groove is formed in the upper mold base, an air outlet of the air inlet channel is arranged in the first groove, the upper mold base further comprises an air diffuser plate and a second connecting rod, one end of the second connecting rod is fixed on the first groove, the air diffuser plate is fixed at the other end of the second connecting rod and is located in the first groove, and a gap is formed between the side wall of the air diffuser plate and the inner side wall of the first groove.

4. The mold for processing a membrane according to claim 1, wherein the driving structure includes a first driving member and a second driving member, the first driving member and the second driving member are respectively disposed on two inner walls of the upper mold base and located at two sides of the heating structure, respectively, for driving the pressing plate to move linearly toward the jig, the pressing plate has a plurality of second through holes, and the second through holes are located between the heating structure and the membrane.

5. The diaphragm processing mold of claim 4, wherein the jig is provided with a second groove, the second groove is used for fixing a product, the first through hole is located in the second groove, the first through hole is connected to the air outlet channel, and an air outlet of the air outlet channel is connected to an external device.

6. The diaphragm processing mold according to claim 1 or 5, wherein the lower mold base is provided with a third groove, the diaphragm processing mold further comprises a second fixing plate, the second fixing plate is covered on the third groove, the second fixing plate is made of a light-transmitting material, the third groove is provided with a UV curing lamp, the second fixing plate is provided with a third through hole, and the third through hole is connected to the air outlet channel.

7. The film processing mold of claim 6, wherein the lower mold base is provided with a plurality of pipelines, the pipelines are all positioned right below the third groove, and the center lines of the pipelines are parallel to the horizontal line and are used for conveying cooling liquid and cooling the UV curing lamp.

8. The film processing mold of claim 1, wherein the film processing mold has an observation window, and the observation window is disposed on the upper mold base or the lower mold base for observing the internal condition of the film processing mold.

9. A diaphragm processing apparatus, comprising: the diaphragm processing mould comprises a hydraulic cylinder, a high-pressure air compressor, a vacuum pressure cabin, a vacuum pump and the diaphragm processing mould according to any one of claims 1 to 8, wherein the hydraulic cylinder is connected to a lower mould base of the diaphragm processing mould, the high-pressure air compressor is connected to an air inlet of an air inlet channel of the diaphragm processing mould, one end of the vacuum pressure cabin is connected to an air outlet of an air outlet channel of the diaphragm processing mould, and the other end of the vacuum pressure cabin is connected to the vacuum pump.

10. A film processing method applied to the film processing mold according to any one of claims 1 to 8 or the film processing apparatus according to claim 9, comprising the steps of:

opening the upper die base and the lower die base;

fixing the product on the jig;

fixing the membrane on the elastic component;

the upper die base and the lower die base are covered, and a sealed cavity is formed;

the heating structure is started to bake the diaphragm to soften the diaphragm, and meanwhile, air in the sealed cavity is pumped out through the air outlet channel and the first through hole to enable the sealed cavity to form a vacuum state;

controlling a driving structure to drive a pressing plate to move downwards, pressing and attaching the diaphragm to a jig, and enabling the diaphragm and the jig to form a sealed space, wherein the first through hole is located in the sealed space, and the sealed space is only continuously vacuumized by the first through hole;

and blowing high-pressure gas into the sealed cavity through the air inlet channel, and tightly attaching the membrane to the surface of the product to enable the membrane to be attached to the product.

11. A film processing method applied to the film processing mold according to any one of claims 1 to 8 or the film processing apparatus according to claim 9, comprising the steps of:

opening the upper die base and the lower die base;

fixing a jig in the lower die base;

fixing the membrane on an elastic component;

covering the upper die base and the lower die base, and forming a sealed cavity;

the heating structure is started to bake the diaphragm to soften the diaphragm, and meanwhile, air in the sealed cavity is pumped out through the air outlet channel and the first through hole to enable the sealed cavity to form a vacuum state;

controlling a driving structure to drive a pressing plate to move downwards, pressing and attaching the diaphragm to a jig, and enabling the diaphragm and the jig to form a sealed space, wherein the first through hole is located in the sealed space, and the sealed space is only continuously vacuumized by the first through hole;

through the intake duct to blow in high-pressure gas in the sealed cavity, will the diaphragm is closely laminated in the surface of the shaping portion of tool makes the diaphragm shaping in on the shaping portion.

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