A dispensing system based on the principle of electrohydrodynamics

Abstract

The utility model discloses a point gum system based on the principle of hydrodynamics, including power module, air pressure control module and point gum mechanism. Power module inserts commercial power and supplies power to air pressure control module voltage stabilization, and point gum mechanism contains Z axial first mounting plate, and its top is equipped with electrical control part, still is equipped with elevating system, and elevating system drives second mounting plate to do Z direction movement through motor, screw rod etc, and second mounting plate bears point gum subassembly, and the point gum head of point gum subassembly is detachable and connects power supply anode, and the point gum platform mesa has negative pressure hole and connects power supply cathode, and both form electric field and realize point gum. Air pressure control module adopts IO system pressure control, and CCD camera module is used for positioning monitoring. The system solves the problem of slow speed, poor stability and low efficiency of traditional point gum in the narrow frame process of display screen module, realizes fast, stable and efficient point gum.

Description

Technical Field

[0001] This utility model relates to a dispensing device, specifically to a dispensing system based on the principle of electrohydrodynamics. Background Technology

[0002] In the field of OLED / LCD / LED display modules, the market has placed higher demands on ultra-narrow bezels for mobile phones and displays.

[0003] Currently, traditional technologies such as bonding and bending processes can no longer meet the requirements of ultra-narrow bezels. In order to adapt to ultra-narrow bottom bezels, the technology has begun to shift to side wrapping (side wrapping is side packaging) technology. This process does not require bending, but mainly connects the electronic circuits on both sides together by dispensing glue. There is no length of rounded corners, so it can significantly reduce the size of the bottom bezel of the phone.

[0004] However, traditional dispensing methods in side wrapping face three main problems: First, poor stability, with fluctuations in dispensing height significantly affecting the wiring overlap; second, slow speed, as the number of wiring increases, traditional dispensing speeds no longer meet production capacity requirements; and third, low efficiency, because the poor stability of traditional dispensing makes it difficult to combine it into multi-needle dispensing methods, resulting in low efficiency. To address these three problems in side wrapping, a current-current dispensing device suitable for side wiring overlap in display modules is provided. Utility Model Content

[0005] This invention aims to provide a dispensing device based on electrohydrodynamics principles, applicable to the narrow bezel dispensing process in the production of OLED / LCD / LED screens. It solves the problem that existing dispensing processes cannot meet the requirements of narrow bezel dispensing, thus limiting the development of narrow bezel technology, and achieves fast, stable, and efficient dispensing operations.

[0006] To solve the above technical problems, this utility model achieves the following solution: A dispensing system based on electrohydrodynamics of this utility model includes a pneumatic control module for controlling the air pressure, a power supply module connected to mains power, the power supply module providing regulated power to the pneumatic control module, and the dispensing system further includes a dispensing mechanism, which includes:

[0007] The first mounting plate is set along the Z-axis;

[0008] An electrical control unit installed on the top of the first mounting plate;

[0009] A lifting mechanism installed on the first mounting plate;

[0010] A second mounting plate that is driven to move along the Z-axis by the lifting mechanism;

[0011] A CCD camera module mounted on the first mounting plate;

[0012] The dispensing assembly is installed on the second mounting plate. The dispensing assembly moves up and down synchronously with the second mounting plate. The dispensing head at the lower end of the dispensing assembly is detachable. The dispensing assembly is connected to the air output connector of the air pressure control module through an air pipe. The dispensing head is connected to the positive output terminal of the power module through a conductive line.

[0013] The dispensing platform has a negative pressure hole on its surface and is connected to the negative output terminal of the power module via a circuit. When the dispensing head is powered on, an electric field is formed between it and the dispensing platform, thereby forming a dispensing structure based on the principle of electrohydrodynamics.

[0014] Furthermore, the air pressure control module uses an IO control system to control the air pressure.

[0015] Furthermore, the lifting mechanism includes either a lead screw drive module or a linear motor module.

[0016] Furthermore, the power source of the lead screw drive module is a motor fixed to the first mounting plate, which drives a lead screw that is axially arranged in the Z-axis direction. The lead screw is connected to the second mounting plate through a nut seat assembly.

[0017] The back of the second mounting plate is provided with double rows of Z-axis guide rails, and the first mounting plate has multiple slides arranged in a matrix on the side opposite to the second mounting plate.

[0018] The double-row Z-axis guide rails are slidably connected to the slide block.

[0019] Furthermore, the dispensing assembly includes a dispensing tube, the upper end of which is connected to the air output connector of the air pressure control module via the air pipe, and its body is fixed to the front side of the second mounting plate via a connector.

[0020] The dispensing end of the dispensing tube is detachably connected to the dispensing head.

[0021] Furthermore, the position of the dispensing tube is adjustable.

[0022] Furthermore, the linear motor module is connected to the second mounting plate, and the linear motor module drives the second mounting plate to perform lifting and lowering actions.

[0023] Furthermore, the CCD camera module has a network interface.

[0024] Compared with the prior art, the beneficial effects of this utility model are:

[0025] 1. The dispensing device of this utility model has a fast dispensing speed: based on the principle of electrohydrodynamics, compared with the traditional pneumatic dispensing mode, it can effectively improve production capacity and meet the market's demand for efficient production.

[0026] 2. The dispensing device of this utility model has high dispensing stability: it reduces the impact of factors such as dispensing height fluctuation on the wiring connection effect, and improves product quality and yield.

[0027] 3. The dispensing device of this utility model has high dispensing efficiency: it can realize high-efficiency dispensing methods such as multi-needle dispensing, which further improves dispensing efficiency. Attached Figure Description

[0028] Figure 1 This is a connection structure diagram of the dispensing system of this utility model.

[0029] Figure 2 This is a structural diagram of the dispensing mechanism of this utility model.

[0030] Figure 3 This is a diagram showing the electro-hydraulic dynamics of the dispensing mechanism of this utility model after dispensing adhesive, illustrating the dispensing effect.

[0031] Figure 4 This is a diagram showing the effect of the side circuit encapsulation after the dispensing mechanism of this utility model has been dispensed.

[0032] The following components are labeled in the attached diagram: Power module 1, Air pressure control module 2, Dispensing cylinder 3, Dispensing head 4, Dispensing platform 5, Electrical control unit 6, Second mounting plate 7, Slide 8, CCD camera module 9, Lead screw 10, Air pipe 11, First mounting plate 12. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present utility model. Obviously, the embodiments described in this utility model are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0034] Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0035] Example 1: The specific structure of this utility model is as follows:

[0036] Please refer to the appendix. Figure 1-4 This invention discloses a dispensing system based on electrohydrodynamics, comprising a pneumatic control module 2 for controlling air pressure and a power supply module 1 connected to mains power. The power supply module 1 provides regulated power to the pneumatic control module 2. The dispensing system also includes a dispensing mechanism. The air pressure entering the dispensing mechanism is adjustable via the pneumatic control module 2. Alternatively, the pneumatic control module 2 can also be a screw control module, which can similarly achieve a constant dispensing flow rate.

[0037] The dispensing mechanism includes:

[0038] The first mounting plate 12 is set along the Z-axis;

[0039] An electrical control unit 6 is installed on the top of the first mounting plate 12;

[0040] A lifting mechanism installed on the first mounting plate 12;

[0041] A second mounting plate 7 is driven to move along the Z-axis by the lifting mechanism.

[0042] A CCD camera module 9 is installed on the first mounting plate 12; the CCD camera module 9 has a network interface, which is an RJ45 interface, for connecting to the network; the CCD camera module 9 is used for taking pictures and transmitting image data to the background processor in real time.

[0043] The dispensing assembly is installed on the second mounting plate 7. The dispensing assembly moves up and down synchronously with the second mounting plate 7. The dispensing head 4 at the lower end of the dispensing assembly is a detachable structure. The dispensing assembly is connected to the air output connector of the air pressure control module 2 through the air pipe 11. The dispensing head 4 is connected to the positive output terminal of the power module 1 through the conductive line.

[0044] The dispensing platform 5 has a negative pressure hole on its surface and is connected to the negative output terminal of the power module 1 via a circuit. After the dispensing head 4 is powered on, an electric field is formed between it and the dispensing platform 5, thus creating a dispensing structure based on electrohydrodynamics. Stable air pressure and current allow for the interchange between the electrically assisted dispensing mechanism and the electro-inkjet dispensing mechanism. During dispensing operation, different voltage commands and different dispensing heads 4 are used depending on the operating mode.

[0045] The air pressure control module 2 uses an I / O control system to control the air pressure. The core of the I / O control system is a PC host computer, which uses a motion control card to control the opening and closing of the air pressure and voltage. It processes the input signals according to a preset program and then outputs control signals. The I / O module's operation is as follows: Analog Input (AI) module: receives analog signals from the air pressure sensor. Analog Output (AO) module: outputs analog signals to control the proportional valve. Digital Output (DO) module: outputs switching signals to control the solenoid valve.

[0046] The lifting mechanism includes either a lead screw drive module or a linear motor module.

[0047] 1) The structure of the first type of lifting mechanism is as follows: the power source of the lead screw drive module is a motor fixed to the first mounting plate 12, the motor drives the lead screw 10 which is arranged in the Z-axis direction, and the lead screw 10 is connected to the second mounting plate 7 through the nut seat assembly;

[0048] The back side of the second mounting plate 7 is provided with double rows of Z-axis guide rails, and the first mounting plate 12 has multiple slides 8 arranged in a matrix on the side opposite to the second mounting plate 7.

[0049] The double-row Z-axis guide rails are slidably connected to the slide block 8.

[0050] 2) The second type of lifting mechanism is a linear motor module. The linear motor module is installed on the first mounting plate 12. The linear motor module is connected to the second mounting plate 7 and drives the second mounting plate 7 to perform lifting actions.

[0051] The dispensing assembly includes a dispensing cylinder 3, the upper end of which is connected to the air output connector of the air pressure control module 2 via the air pipe 11, and its body is fixed to the front side of the second mounting plate 7 via a connector.

[0052] The dispensing end of the dispensing cylinder 3 is detachably connected to the dispensing head 4.

[0053] The position of the dispensing cylinder 3 is adjustable, and the connector is provided with an X-axis oblong hole. The X-axis position of the dispensing cylinder 3 can be changed by adjusting the installation position of the oblong hole.

[0054] Example 2:

[0055] The workpiece to be glued is placed on the dispensing platform, which holds the workpiece in place via a negative pressure port. After the power module is connected to mains power, it provides regulated power to the pneumatic control module. The air pressure of the pneumatic control module is set via the IO control system. The pneumatic control module then provides stable air pressure to the dispensing cylinder through an air tube, delivering the glue from the cylinder to the dispensing head.

[0056] Meanwhile, the CCD camera module connects to an external control device via a network interface to accurately locate and monitor the dispensing position. When the dispensing height needs to be adjusted, the motor drives the lead screw to rotate, which in turn moves the second mounting plate 7 up and down along the Z-axis guide rail via the nut seat assembly, thereby raising and lowering the dispensing assembly.

[0057] After the dispensing head is powered on, an electric field is formed between it and the dispensing platform. Based on the principle of electrohydrodynamics, the adhesive is precisely sprayed from the dispensing head onto the workpiece under the action of the electric field force, completing the dispensing operation. Because the position of the dispensing cartridge is adjustable, it can be flexibly adjusted according to different dispensing needs to achieve the best dispensing effect. Figure 3 As shown, Figure 3 This diagram illustrates the electrohydrodynamic dispensing effect created by the dispensing mechanism of this invention. Figure 4 As shown, Figure 4 This is a diagram showing the effect of the side circuit encapsulation after the dispensing mechanism of this utility model has been dispensed.

[0058] In summary, the dispensing device of this invention has a fast dispensing speed: based on the principle of electrohydrodynamics, it can effectively increase production capacity and meet the market's demand for efficient production compared with the traditional pneumatic dispensing mode.

[0059] The dispensing device of this invention has high dispensing stability: it reduces the impact of factors such as dispensing height fluctuations on the wiring connection effect, thereby improving product quality and yield.

[0060] The dispensing device of this invention has high dispensing efficiency: it can realize efficient dispensing methods such as multi-needle dispensing, which further improves dispensing efficiency.

[0061] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural or procedural transformations made based on the contents of the present utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present utility model.

Claims

1. A dispensing system based on electrohydrodynamics, comprising a pneumatic control module (2) for controlling the pneumatic pressure and a power supply module (1) connected to mains power, wherein the power supply module (1) provides regulated power to the pneumatic control module (2), characterized in that, The dispensing system further includes a dispensing mechanism, which includes: The first mounting plate (12) is set along the Z-axis; Electrical control unit (6) installed on the top of the first mounting plate (12); A lifting mechanism installed on the first mounting plate (12); A second mounting plate (7) is driven to move along the Z-axis by the lifting mechanism; CCD camera module (9) mounted on the first mounting plate (12); The dispensing assembly is installed on the second mounting plate (7). The dispensing assembly moves up and down synchronously with the second mounting plate (7). The dispensing head (4) at the lower end of the dispensing assembly is a detachable structure. The dispensing assembly is connected to the air output connector of the air pressure control module (2) through an air pipe (11). The dispensing head (4) is connected to the positive output terminal of the power module (1) through a conductive line. The dispensing platform (5) has a negative pressure hole on its surface and is connected to the negative output terminal of the power module (1) via a line. After being powered on by the dispensing head (4), an electric field is formed between the dispensing platform (5) and the dispensing head (4), thereby forming a dispensing structure based on the principle of electrohydrodynamics.

2. The dispensing system based on electrohydrodynamics as described in claim 1, characterized in that, The air pressure control module (2) uses an IO control system to control the air pressure.

3. The dispensing system based on electrohydrodynamics as described in claim 1, characterized in that, The lifting mechanism includes either a lead screw drive module or a linear motor module.

4. The dispensing system based on electrohydrodynamics according to claim 3, characterized in that, The power source of the lead screw drive module is a motor fixed to the first mounting plate (12), which drives a lead screw (10) arranged in the Z-axis direction. The lead screw (10) is connected to the second mounting plate (7) through a nut seat assembly. The back side of the second mounting plate (7) is provided with double rows of Z-axis guide rails. The first mounting plate (12) has multiple slides (8) arranged in a matrix on the side opposite to the second mounting plate (7). The double-row Z-axis guide rails are slidably connected to the slide block (8).

5. A dispensing system based on electrohydrodynamics as described in claim 4, characterized in that, The dispensing assembly includes a dispensing cylinder (3), the upper end of which is connected to the air output connector of the air pressure control module (2) through the air pipe (11), and its body is fixed to the front side of the second mounting plate (7) through the connector. The dispensing end of the dispensing tube (3) is detachably connected to the dispensing head (4).

6. A dispensing system based on electrohydrodynamics as described in claim 5, characterized in that, The position of the dispensing tube (3) is adjustable.

7. A dispensing system based on electrohydrodynamics as described in claim 3, characterized in that, The linear motor module is connected to the second mounting plate (7), and the linear motor module drives the second mounting plate (7) to perform lifting and lowering actions.

8. The dispensing system based on electrohydrodynamics according to claim 1, characterized in that, The CCD camera module (9) has a network interface.

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