FPC hot-press positioning device and positioning method

Abstract

The application discloses a kind of FPC hot-pressing positioning device and positioning method, including upper positioning module, upper heating disc, lower heating disc, base and hydraulic column, the lower heating disc is located in the upper end of base, the upper heating disc is located above lower heating disc, the hydraulic column is located in the upper end of upper heating disc.The application is guaranteed that upper heating disc and lower heating disc are parallel by the upper positioning module, nickel-titanium alloy reset piece and placing groove set, avoid the problem of bubble after hot-pressing, the upper heating disc and lower heating disc can be automatically moved by nickel-titanium alloy reset piece, to prevent the pressure from being too large to cause the upper and lower hot disc to be offset by pressure when hot-pressing, the upper heating disc and lower heating disc can be reset after adjusting pressure and moving relatively, when hot-pressing operation is carried out, positioning pin can be added between the upper heating disc and the one-way pin ring and the second pin ring on the side of lower heating disc, for upper and lower hot disc to be closed, positioning groove is used for PFC and auxiliary material hot-pressing.

Description

TECHNICAL FIELD

[0001] The application relates to an FPC hot-press positioning device and a positioning method, and belongs to the technical field of FPC processing. BACKGROUND

[0002] The flexible circuit board is a kind of highly reliable and excellent flexible printed circuit board made of polyimide or polyester film, and has the characteristics of high wiring density, light weight, thin thickness and good bending property.

[0003] Although the existing FPC hot-press positioning device can realize basic positioning, the device is prone to the problem of air bubbles after hot pressing after positioning, and the upper and lower hot plates are deviated due to excessive pressure during hot pressing, which is not conducive to the use of people. Therefore, the application provides an FPC hot-press positioning device and a positioning method. SUMMARY

[0004] The application provides an FPC hot-press positioning device and a positioning method.

[0005] To achieve the above-mentioned purpose, the application provides the following technical scheme: an FPC hot-press positioning device and a positioning method, comprising an upper positioning module, an upper heating disc, a lower heating disc, a base and a hydraulic column, the lower heating disc is located at the upper end of the base, the upper heating disc is located above the lower heating disc, the hydraulic column is located at the upper end of the upper heating disc, the upper positioning module is located above the upper heating disc, the upper positioning module comprises a sliding groove, a sliding block, a transmission assembly and a connecting plate, one side of the upper heating disc is fixedly connected with a first pin ring, a positioning groove is formed in the middle of the upper end of the lower heating disc, a nickel-titanium alloy reset member is fixedly connected to the lower end of the lower heating disc, one side of the lower heating disc is fixedly connected with a second pin ring, and a placing groove is formed in the upper end of the base.

[0006] Preferably, the transmission assembly, the sliding groove and the sliding block are arranged on the connecting plate, the transmission assembly is composed of a stepping motor, a transmission gear and a transmission rack, the output end of the stepping motor is connected with the input end of the transmission gear, the transmission gear is in meshing connection with the transmission rack, one side of the transmission rack is fixedly connected with one side of the sliding block, the sliding block is located in the middle of the sliding groove, one side of the sliding block is in sliding connection with the sliding groove, the number of the stepping motor, the transmission gear, the transmission rack and the sliding groove is two groups, and the number of the sliding block is four groups.

[0007] Preferably, the upper end of the hydraulic column is connected with a stroke-adjustable oil cylinder, the number of the hydraulic column is four groups, the inside of the upper heating disc is provided with an upper heating template and an intelligent temperature controller, and the inside of the lower heating disc is provided with an upper heating template and an intelligent temperature controller.

[0008] Preferably, the lower end of the lower heating disc is connected with the base through a nickel-titanium alloy reset member, and the lower heating disc is located in the placing groove.

[0009] Preferably, the positioning method of the FPC hot-pressing positioning device has the following implementation steps:

[0010] First step: placing the FPC to be hot-pressed in the placing groove in the lower heating disc;

[0011] Second step: sending control signals to the upper positioning module, the heating disc and the stroke-adjustable oil cylinder by operating the control platform;

[0012] Third step: the central processor in the control platform sends control electric signals to the upper positioning module, and the internal stepping motor starts to work, drives the transmission rack to move through the transmission gear, and then drives the sliding block to move, so as to offset the position of the hydraulic column left and right, and the heating disc position is positioned through the corresponding laser positioner, when the upper heating disc and the lower heating disc are horizontally and vertically at four corners, the stepping motor stops working;

[0013] Fourth step: the central processor sends control electric signals to the stroke-adjustable oil cylinder, and the stroke-adjustable oil cylinder drives the hydraulic column to work, and the hydraulic column drives the upper heating disc to combine with the lower heating disc downward, and pre-pressing is performed;

[0014] Fifth step: when the hydraulic column pre-presses the lower part, the upper heating disc and the lower heating disc can automatically move relatively through the nickel-titanium alloy reset member, so as to prevent the upper and lower heating discs from being offset by pressure when hot-pressing, and the upper heating disc and the lower heating disc can be reset after relative movement after adjusting the pressure, and a positioning pin can be additionally arranged between the one-side pin ring and the second pin ring of the upper heating disc and the lower heating disc, which is used for combining the upper and lower heating discs.

[0015] Compared with the prior art, the present application has the following beneficial effects:

[0016] The upper positioning module, the nickel-titanium alloy reset member and the placing groove are arranged, so that the upper heating disc and the lower heating disc are parallel during FPC hot-pressing positioning, the problem of bubbles after hot-pressing is avoided, the upper heating disc and the lower heating disc can automatically move relatively through the nickel-titanium alloy reset member, so as to prevent the upper and lower heating discs from being offset by pressure when hot-pressing, and the upper heating disc and the lower heating disc can be reset after relative movement after adjusting the pressure, and a positioning pin can be additionally arranged between the one-side pin ring and the second pin ring of the upper heating disc and the lower heating disc, which is used for combining the upper and lower heating discs, and the positioning groove is used for hot-pressing of PFC and auxiliary materials. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1It is a structure schematic view of the FPC hot-press positioning device in the FPC hot-press positioning device and positioning method of the present application.

[0018] Figure 2 It is a structure schematic view of the FPC hot-press positioning device in the FPC hot-press positioning device and positioning method of the present application Figure 1 It is a sectional view of the base 4.

[0019] Figure 3 It is a structure schematic view of the FPC hot-press positioning device in the FPC hot-press positioning device and positioning method of the present application Figure 1 It is a structure schematic view of the lower heating disc 3.

[0020] In the figure: 1, upper positioning module; 2, upper heating disc; 3, lower heating disc; 4, base; 5, hydraulic column; 11, sliding groove; 12, sliding block; 22, No. 1 pin ring; 31, positioning groove; 32, nickel-titanium alloy reset piece; 33, No. 2 pin ring; 41, placing groove. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purposes and effects realized by the present application easy to understand, the present application will be further described below in combination with specific embodiments.

[0022] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the devices or elements indicated or implied to have a specific orientation, to be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium; can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0025] Example 1

[0026] like Figures 1-3 As shown, an FPC hot-press positioning device and positioning method includes an upper positioning module 1, an upper heating plate 2, a lower heating plate 3, a base 4, and a hydraulic column 5. The lower heating plate 3 is located at the upper end of the base 4, the upper heating plate 2 is located above the lower heating plate 3, the hydraulic column 5 is located at the upper end of the upper heating plate 2, and the upper positioning module 1 is located above the upper heating plate 2. The upper positioning module 1 includes a sliding groove 11, a sliding block 12, a transmission component, and a connecting plate. A first pin ring 22 is fixedly connected to one side of the upper heating plate 2. A positioning groove 31 is opened in the middle of the upper end of the lower heating plate 3. A nickel-titanium alloy reset component 32 is fixedly connected to the lower end of the lower heating plate 3. A second pin ring 33 is fixedly connected to one side of the lower heating plate 3. A placement groove 41 is opened at the upper end of the base 4.

[0027] Furthermore, the transmission assembly, sliding groove 11, and sliding block 12 are all mounted on the connecting plate. The transmission assembly consists of a stepper motor, a transmission gear, and a transmission rack. The output end of the stepper motor is connected to the input end of the transmission gear, and the transmission gear meshes with the transmission rack. One side of the transmission rack is fixedly connected to one side of the sliding block 12. The sliding block 12 is located in the middle of the sliding groove 11, and one side of the sliding block 12 is slidably connected to the sliding groove 11. There are two sets of stepper motors, transmission gears, transmission racks, and sliding grooves 11, and four sets of sliding blocks 12.

[0028] Furthermore, the upper end of the hydraulic column 5 is connected to an adjustable-stroke oil cylinder, and there are four sets of hydraulic columns 5. The upper heating plate 2 is equipped with an upper heating template and an intelligent temperature controller, and the lower heating plate 3 is equipped with an upper heating template and an intelligent temperature controller.

[0029] Furthermore, the lower end of the lower heating plate 3 is connected to the base 4 via a nickel-titanium alloy reset piece 32, and the lower heating plate 3 is located in the placement groove 41.

[0030] Furthermore, the positioning method of the FPC hot-press positioning device is implemented as follows:

[0031] Step 1: Place the FPC to be hot-pressed into the placement slot in the lower heating plate;

[0032] Step 2: Send control signals to the upper positioning module, heating plate and stroke adjustable hydraulic cylinder through the operation control platform;

[0033] Third step: the control platform inside the central processing unit sends control signals to the upper positioning module, the internal stepper motor starts to work, through the transmission gear drives the transmission rack to move, and then drives the sliding block to move, the position of the hydraulic column is offset left and right, and the position of the heating disc is positioned by the corresponding laser positioner, when the upper heating disc and the lower heating disc are horizontally and vertically at four corners, the stepper motor stops working;

[0034] Fourth step: the central processing unit sends control signals to the stroke adjustable oil cylinder, the stroke adjustable oil cylinder drives the hydraulic column to work, the hydraulic column drives the upper heating disc to combine with the lower heating disc downward, and pre-pressing is performed;

[0035] Fifth step: when the hydraulic column pre-presses the lower part, the upper heating disc and the lower heating disc can automatically move relatively through the nickel-titanium alloy reset piece, thereby preventing the upper and lower heating discs from being offset by pressure during hot pressing, and the upper heating disc and the lower heating disc can be reset after relative movement after adjusting the pressure, and a positioning pin can be added between the one-side No. 1 pin ring and the No. 2 pin ring of the upper heating disc and the lower heating disc for die combining of the upper and lower heating discs.

[0036] The upper positioning module, the nickel-titanium alloy reset piece, and the placement groove are arranged to ensure that the upper heating disc and the lower heating disc are parallel during FPC hot pressing positioning, avoid the problem of bubbles after hot pressing, the upper heating disc and the lower heating disc can automatically move relatively through the nickel-titanium alloy reset piece, thereby preventing the upper and lower heating discs from being offset by pressure during hot pressing, and the upper heating disc and the lower heating disc can be reset after relative movement after adjusting the pressure, a positioning pin can be added between the one-side No. 1 pin ring and the No. 2 pin ring of the upper heating disc and the lower heating disc for die combining of the upper and lower heating discs, and the positioning groove is used for PFC and auxiliary material hot pressing.

[0037] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An FPC hot-press positioning device, comprising an upper positioning module (1), an upper heating plate (2), a lower heating plate (3), a base (4), and a hydraulic column (5), characterized in that: The lower heating plate (3) is located at the upper end of the base (4), the upper heating plate (2) is located above the lower heating plate (3), the hydraulic column (5) is located at the upper end of the upper heating plate (2), the upper positioning module (1) is located above the upper heating plate (2), the upper positioning module (1) includes a sliding groove (11), a sliding block (12), a transmission component, and a connecting plate. A first pin ring (22) is fixedly connected to one side of the upper heating plate (2), a positioning groove (31) is opened in the middle of the upper end of the lower heating plate (3), a nickel-titanium alloy reset component (32) is fixedly connected to the lower end of the lower heating plate (3), a second pin ring (33) is fixedly connected to one side of the lower heating plate (3), and a placement groove (41) is opened at the upper end of the base (4). The FPC is placed in the positioning groove (31), and the upper positioning module (1) is used to position the heating plate so that the four corners between the upper heating plate (2) and the lower heating plate (3) are horizontal and vertical.

2. The FPC hot-press positioning device according to claim 1, characterized in that: The transmission assembly, sliding groove (11), and sliding block (12) are all mounted on the connecting plate. The transmission assembly consists of a stepper motor, a transmission gear, and a transmission rack. The output end of the stepper motor is connected to the input end of the transmission gear. The transmission gear meshes with the transmission rack. One side of the transmission rack is fixedly connected to one side of the sliding block (12). The sliding block (12) is located in the middle of the sliding groove (11). One side of the sliding block (12) is slidably connected to the sliding groove (11). There are two sets of stepper motors, transmission gears, transmission racks, and sliding grooves (11), and four sets of sliding blocks (12).

3. The FPC hot-press positioning device according to claim 1, characterized in that: The upper end of the hydraulic column (5) is connected to an adjustable oil cylinder. There are four sets of hydraulic columns (5). The upper heating plate (2) is equipped with an upper heating template and an intelligent temperature controller. The lower heating plate (3) is equipped with a lower heating template and an intelligent temperature controller.

4. The FPC hot-press positioning device according to claim 1, characterized in that: The lower end of the lower heating plate (3) is connected to the base (4) through a nickel-titanium alloy reset piece (32), and the lower heating plate (3) is located in the placement groove (41).

5. A positioning method for an FPC hot-press positioning device according to any one of claims 2-4, characterized in that, The implementation steps are as follows: Step 1: Place the FPC to be hot-pressed into the positioning slot in the lower heating plate; Step 2: Send control signals to the upper positioning module, heating plate and stroke adjustable hydraulic cylinder through the operation control platform; Step 3: The central processing unit inside the control platform sends control electrical signals to the upper positioning module, and the stepper motor inside starts to work. It drives the transmission rack to move through the transmission gear, and then drives the sliding block to move, shifting the position of the hydraulic column to the left and right. The corresponding laser positioner positions the heating plate. When the four corners between the upper heating plate and the lower heating plate are horizontal and vertical, the stepper motor stops working. Step 4: The central processing unit sends a control electrical signal to the adjustable stroke cylinder, which drives the hydraulic column to work. The hydraulic column drives the upper heating plate downward to merge with the lower heating plate, thus performing pre-compression. Step 5: When the hydraulic column performs pre-pressing operation on the lower part, the upper and lower heating plates can automatically move relative to each other through the nickel-titanium alloy reset part, thereby preventing the upper and lower heating plates from shifting due to excessive pressure during hot pressing. After adjusting the pressure, the upper and lower heating plates can be reset after relative movement. When performing hot pressing operation, a positioning pin is added between the first and second pin rings on the side of the upper and lower heating plates for mold closing of the upper and lower heating plates.

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