CN212472465U - Diaphragm curved surface forming mechanism and diaphragm laminating equipment - Google Patents

Abstract

The utility model discloses a diaphragm curved surface forming mechanism and a diaphragm laminating device, which comprise a curved surface male die and a viscous silk screen component; the adhesive silk screen assembly comprises a frame plate and a silk screen; the curved surface male die is positioned on one side of the silk screen, and the other side of the silk screen is provided with a viscous material for adhering the membrane; the curved surface forming mechanism further comprises a driving mechanism, and the driving mechanism drives the curved surface male die and the viscous silk screen assembly to move relatively so as to form the membrane adhered to the silk screen. The utility model provides a pair of diaphragm curved surface forming mechanism attaches on the adhesive silk screen with the diaphragm, utilizes the curved surface terrace die to carry out the shaping, and the curved surface shaping mode of diaphragm is simple high-efficient, and adhesive silk screen ability reuse, low cost is fit for the batch production technology of industry.

Description

Diaphragm curved surface forming mechanism and diaphragm laminating equipment

Technical Field

The utility model relates to a diaphragm contour machining equipment technical field, concretely relates to diaphragm curved surface forming mechanism.

Background

With the application of flexible display screens to mobile terminals, the glass cover plate design of the display screen is gradually changed from a flat type to a curved type. For the curved glass cover plate, the forming process is more complicated than that of the flat glass cover plate, and the process difficulty is also high.

Because the functional membrane is changed from the plane shape into the curved surface shape adapting to the curved glass cover plate after being attached, the problems of wrinkles and bubbles can be generated to a certain degree, and especially, when the bending degree of the cover plate is larger, the wrinkles generated by the functional membrane are more serious, and the proportion is higher. The problem of generating wrinkles and bubbles can influence the fitting yield, the quality of finished products is influenced, the modeling design of the curved glass cover plate is limited, and the curved surface forming process of the diaphragm is not mature enough.

Thus, the prior art has yet to be improved.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide a simple and efficient diaphragm curved surface forming mechanism capable of being repeatedly used.

For solving the technical problem, the utility model discloses following technical scheme has been taken:

a diaphragm curved surface forming mechanism comprises a curved surface male die and an adhesive silk screen component; the adhesive silk screen assembly comprises a frame plate and a silk screen; the curved surface male die is positioned on one side of the silk screen, and the other side of the silk screen is provided with a viscous material for adhering the membrane; the curved surface forming mechanism further comprises a driving mechanism, and the driving mechanism drives the curved surface male die and the viscous silk screen assembly to move relatively so as to form the membrane adhered to the silk screen.

The membrane curved surface forming mechanism is characterized in that the viscous silk screen assembly further comprises a pressing block, and the pressing block is arranged at the edge of the silk screen to tightly press and fix the silk screen; the frame plate is arranged on the inner side of the pressing block and is positioned on one side, close to the curved surface male die, of the silk screen so as to be matched and tensioned with the pressing block.

The curved surface forming mechanism for the membrane is characterized in that the curved surface male die is provided with a first arc surface with a downward bent edge.

The diaphragm curved surface forming mechanism is characterized in that the curved surface male die is further provided with a second cambered surface with the middle protruding upwards, and the second cambered surface is connected with the first cambered surface.

The membrane curved surface forming mechanism is characterized in that the curved surface male die is made of an elastic material.

The membrane curved surface forming mechanism is characterized in that the viscous material is arranged on the area, corresponding to the cambered surface, of the silk screen.

The diaphragm curved surface forming mechanism comprises a first driving assembly, wherein the first driving assembly is connected with the curved surface male die so as to drive the curved surface male die to move towards the silk screen.

The diaphragm curved surface forming mechanism is characterized in that the first driving assembly comprises a screw rod motor.

The membrane curved surface forming mechanism comprises a membrane curved surface forming mechanism body, wherein the membrane curved surface forming mechanism body further comprises a second driving assembly, and the second driving assembly is connected with the viscous silk screen assembly to drive the silk screen to move towards the male die.

The utility model provides a diaphragm laminating equipment, be provided with on the laminating equipment as above-mentioned arbitrary diaphragm curved surface forming mechanism.

Compared with the prior art, the utility model discloses a diaphragm curved surface forming mechanism, which comprises a curved surface male die and a viscous silk screen component; the adhesive silk screen assembly comprises a frame plate and a silk screen; the curved surface male die is positioned on one side of the silk screen, and the other side of the silk screen is provided with a viscous material for adhering the membrane; the curved surface forming mechanism further comprises a driving mechanism, the driving mechanism drives the curved surface male die and the viscous silk screen assembly to move relatively, so that the diaphragm adhered to the silk screen is formed, the diaphragm is attached to the viscous silk screen, the curved surface male die is used for forming, the curved surface forming mode of the diaphragm is simple and efficient, the viscous silk screen can be recycled, the cost is low, and the curved surface forming mechanism is suitable for industrial batch production processes.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 is a cross-sectional view of the diaphragm curved surface forming mechanism provided by the present invention.

Fig. 2 is a top view of the diaphragm curved surface forming mechanism provided by the present invention.

Fig. 3 is a perspective view of the diaphragm curved surface forming mechanism provided by the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "on," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also 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 also be present.

It should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.

The embodiment of the utility model provides a diaphragm curved surface forming mechanism, please refer to fig. 1-3, including curved surface terrace die 1 and viscous silk screen component 2; the adhesive screen assembly 2 comprises a frame plate 21 and a screen 22; the curved male die 1 is positioned on one side of the silk screen 22, and the other side of the silk screen 22 is provided with an adhesive material (not shown in the figure) for adhering the membrane 4; the curved surface forming mechanism further comprises a driving mechanism 5, and the driving mechanism 5 drives the curved surface male die 1 and the viscous silk screen assembly 2 to move relatively so as to form the membrane 4 adhered to the silk screen 22.

Before the embodiment starts, a part of viscous material is adhered to the periphery of the upper surface of the screen 22 in advance, then the membrane 4 is adhered to the upper surface of the screen 22 through the viscous material, the viscosity of the viscous material can be adjusted according to needs so as to adhere the membrane 4, the membrane 4 is flatly adhered to the screen 22, the curved surface male die 1 and the viscous screen assembly 2 are driven to move relatively through the driving mechanism 5, and the purpose of forming the membrane 4 is achieved.

Further, referring to fig. 1, in the present embodiment, the adhesive screen assembly 2 further includes a pressing block 23, and the pressing block 23 is disposed at an edge of the screen 22 to press and fix the screen 22; the frame plate 21 is arranged on the inner side of the pressing block 23 and is positioned on one side, close to the curved-surface male die 1, of the silk screen 22 so as to be matched with the pressing block 23 to tension the silk screen 22.

Specifically, the periphery of the silk screen 22 is connected with the pressing block 23, the middle of the silk screen 22 is wrapped on the frame plate 21, so that the silk screen 22 is always tensioned, the diaphragm 4 and the silk screen 22 are convenient to match, the frame plate 21 is a movable frame plate, buffer force is effectively provided in the moving process of the silk screen 22, and the silk screen 22 cannot be broken due to deformation.

Further, with continuing reference to fig. 1 and fig. 2, the curved convex mold 1 has a first curved surface 11 with a downward curved edge.

Specifically, in order to form the curved surface of the membrane 4, since the curved punch 1 can make the screen 22 gradually fit on the curved punch 1 during the movement of the screen 22, and the membrane 4 is adhered on the screen 22, the curved punch 1 has a first curved surface 11 with a downward-bent edge to form the membrane 4.

Further, the curved convex die 1 further has a second arc surface 12 with a middle part protruding upwards, and the second arc surface 12 is connected with the first arc surface 11.

Specifically, referring to fig. 1, in the process of contacting the curved-surface punch 1 with the screen 22, the middle portion of the curved-surface punch 1 contacts with the screen 22, so that the second arc surface 12 protruding upward is disposed in the middle of the curved-surface punch 1, so that the curved surface is formed more quickly.

Further, the curved surface male die 1 is made of an elastic material, and since deformation is generated in the contact process of the curved surface male die 1 and the screen 22, in order that the curved surface male die 1 is not in hard contact and is damaged, the curved surface male die 1 is made of the elastic material, so that the durability is improved.

Referring to fig. 1, the adhesive material is disposed on the area of the screen 22 corresponding to the curved surface, and mainly serves to make the membrane 4 more completely fit, so as to form a complete curved surface and improve the yield of the product.

Further, referring to fig. 1 and 3, the driving mechanism 5 includes a first driving assembly 51, and the first driving assembly 51 is connected to the curved convex die 1 to drive the curved convex die 1 to move toward the screen 22.

Specifically, the first driving assembly 51 is connected to the curved male die 1 to control the movement of the curved male die 1, the first driving assembly 51 includes a lead screw motor 511, the lead screw motor 511 can convert a rotary motion into a linear motion, and the control is performed through a PLC program, so that the limitation of the movement distance and direction of the first driving assembly 51 is realized.

Further, the present invention also provides a second preferred embodiment, wherein the driving mechanism 5 further comprises a second driving assembly (not shown in the figure), the second driving assembly is connected to the viscous screen assembly 2 to drive the screen 22 to move towards the curved male die 1, and the curved male die 1 and the viscous screen assembly 2 move relatively to each other, so that the membrane 4 adhered to the screen 22 is finally formed.

The utility model also provides a diaphragm laminating equipment, be provided with on the laminating equipment as above-mentioned diaphragm curved surface forming mechanism.

For ease of understanding, the principle of the curved surface formation of the diaphragm will now be described:

the periphery of the upper surface of the screen is pasted with the viscous material, the viscosity of the viscous material can be adjusted as required so as to stick the diaphragm, the diaphragm is flatly pasted on the screen, the first driving component controls the curved surface male die to move towards the screen, or the second driving component drives the screen to move towards the male die, the middle part of the highest position of the curved surface male die contacts the diaphragm first, the curved surface male die continuously rises, the flexible screen is gradually wrapped on the curved surface male die to form an arc shape, and therefore the diaphragm is gradually transited to the shape of the curved surface male die from a plane, and the purpose of forming the curved surface of the diaphragm is achieved.

To sum up, the utility model discloses a diaphragm curved surface forming mechanism body, which comprises a curved surface male die and a viscous silk screen component; the adhesive silk screen assembly comprises a frame plate and a silk screen; the curved surface male die is positioned on one side of the silk screen, and the other side of the silk screen is provided with a viscous material for adhering the membrane; curved surface forming mechanism still includes actuating mechanism, the actuating mechanism drive the curved surface terrace die with viscidity silk screen subassembly relative motion to make the adhesion in the diaphragm shaping of silk screen, the utility model provides a pair of diaphragm curved surface forming mechanism with the diaphragm attached on the viscidity silk screen, utilize the curved surface terrace die to carry out the shaping, the curved surface shaping mode of diaphragm is simple high-efficient, viscidity silk screen ability reuse, low cost is fit for the batch production technology of industry.

The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, and these forms are within the scope of the present invention.

Claims (10)

1. A diaphragm curved surface forming mechanism is characterized by comprising a curved surface male die and an adhesive silk screen component; the adhesive silk screen assembly comprises a frame plate and a silk screen; the curved surface male die is positioned on one side of the silk screen, and the other side of the silk screen is provided with a viscous material for adhering the membrane; the curved surface forming mechanism further comprises a driving mechanism, and the driving mechanism drives the curved surface male die and the viscous silk screen assembly to move relatively so as to form the membrane adhered to the silk screen.

2. The diaphragm curved surface forming mechanism of claim 1, wherein the adhesive wire mesh assembly further comprises a press block disposed at an edge of the wire mesh to press and fix the wire mesh; the frame plate is arranged on the inner side of the pressing block and is positioned on one side, close to the curved surface male die, of the silk screen so as to be matched and tensioned with the pressing block.

3. The mechanism of claim 1, wherein said curved punch has a first curved face with a downwardly curved edge.

4. The mechanism of claim 3, wherein said curved punch further comprises a second curved surface protruding upward from the center of said curved punch, said second curved surface connecting to said first curved surface.

5. A diaphragm curve forming mechanism according to any one of claims 1 to 4, wherein the curve punch is made of an elastic material.

6. The mechanism of claim 4, wherein the adhesive material is disposed on the screen in a region corresponding to the first and second curved surfaces.

7. The diaphragm curved surface forming mechanism of claim 5, wherein the drive mechanism comprises a first drive assembly coupled to the curved punch to drive the curved punch toward the screen.

8. The diaphragm curved surface forming mechanism of claim 7, wherein the first drive assembly comprises a lead screw motor.

9. The diaphragm curve forming mechanism of claim 7, wherein the drive mechanism further comprises a second drive assembly coupled to the adhesive screen assembly to drive the screen toward the curved male die.

10. A membrane laminating apparatus provided with a membrane curved surface forming mechanism as claimed in any one of claims 1 to 9.

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