Ultrathin single-sided FPC product flattening device

Abstract

The utility model relates to the field of FPC production and processing, and discloses an ultrathin single-sided FPC product flattening device which comprises a base, the left side and the right side of the base are fixedly connected with a top plate through lifting assemblies, a sliding groove is formed in the top plate, a sliding support is slidably connected into the sliding groove, the top of the sliding support is fixedly connected with a threaded block, and the threaded block is fixedly connected with a threaded rod. A two-way threaded rod is in threaded connection with the interior of the threaded block, a rotating support is rotationally connected to the rear end of the two-way threaded rod, a power assembly is fixedly connected to the top of the top plate, a rotating shaft is fixedly connected to the bottom end of a sliding support, and a leveling roller is rotationally connected to the periphery of the rotating shaft. According to the FPC product flattening device, the two-way threaded rod and the sliding support are arranged, an FPC product is clamped in the middle of the heating assembly, then the rotating motor is started, the flattening roller rolls towards the two sides, stress of the FPC product is completely released, the surface of the FPC product becomes flat, meanwhile, wrinkles and bevels are not prone to being generated, and the quality of the product is guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of FPC production and processing, in particular to a flattening device for ultra-thin single-sided FPC products. Background Art

[0002] Ultra-thin single-sided FPC is a special type of flexible printed circuit board, which has only one layer of conductive pattern on a flexible insulating substrate and has a very thin overall thickness. Due to its excellent flexibility, light weight and high-density wiring ability, this circuit board is widely used in fields such as mobile devices, wearable devices, medical devices and industrial automation. The design of ultra-thin single-sided FPC aims to meet the requirements of modern electronic devices for miniaturization, integration and high reliability. It can achieve complex electrical connections in a limited space while maintaining the lightness and flexibility of the device. During the production of FPC, the FPC is extremely prone to uneven problems such as wrinkles, indentations, and tears. After such uneven problems occur, the FPC is extremely prone to problems such as short circuits, open circuits, and circuit deformation.

[0003] After retrieval, Chinese Patent Publication No.: CN214675882U discloses a jig for ultra-thin single-sided FPC products, including a jig; a jig groove is opened at the top of the jig, a heating plate is arranged at the bottom end inside the jig groove, the top of the jig is covered with a jig upper cover, a shell groove is opened at the bottom end of the jig upper cover, and a heating shell is arranged inside the shell groove; an FPC product is placed inside the jig groove, constant temperature resistance wires are arranged inside both the heating shell and the heating plate, and a spring is arranged inside the shell groove. The utility model completely eliminates the phenomenon of warping and deformation of the product through jig repair. The unit product tape in the flat state inside the jig is completely cured at a high temperature state, and the stress of the product is completely released through the complete curing effect of the glue system, and finally the complete flat state effect of the product is achieved.

[0004] Although this device can conveniently prevent the FPC product from warping and deforming and make the FPC product completely flat, in actual use, the directly pressed heating shell may press out wrinkles, folding angles and other problems on the FPC product, thus affecting the quality of the FPC product. Therefore, an ultra-thin single-sided FPC product flattening device is proposed to solve the above problems. Content of the Utility Model

[0005] In order to make up for the above deficiencies, the utility model provides an ultra-thin single-sided FPC product flattening device, aiming to improve the problems that the directly pressed heating shell in the prior art may press out wrinkles, folding angles and other problems on the FPC product.

[0006] To achieve the above object, the utility model adopts the following technical solutions: A flatting device for an ultra-thin single-sided FPC product, including a base. On both the left and right sides of the base, there are top plates fixedly connected through lifting components. A sliding groove is provided inside the top plate. A sliding bracket is slidably connected inside the sliding groove. A threaded block is fixedly connected to the top of the sliding bracket. A bidirectional threaded rod is threadedly connected inside the threaded block. The rear end of the bidirectional threaded rod is rotatably connected to a rotating bracket. A power component is fixedly connected to the top of the top plate. A rotating shaft is fixedly connected to the bottom end of the sliding bracket. A flattening roller is rotatably connected to the outer periphery of the rotating shaft. A flattening top shell is fixedly connected to the bottom of the top plate. A groove is provided at the bottom end of the flattening top shell. Rounded sliding grooves are provided on both the left and right sides of the flattening top shell. A limiting groove is provided inside the base. The inner wall of the top end of the limiting groove is elastically connected to a limiting block through a limiting spring. A clamping plate is fixedly connected to the inner side of the limiting block. A heating component is provided on the inner wall of the bottom end of the base.

[0007] As a further description of the above technical solution:

[0008] The lifting component includes a fixed block. The inner side of the fixed block is fixedly connected to the outer walls on both the left and right sides of the base. An electric push rod is fixedly connected to the top of the fixed block. Both sides of the top plate are fixedly connected to the telescopic ends of the top surfaces of the electric push rods. Connecting blocks are fixedly connected to both the left and right sides of the base. A sliding rod is fixedly connected to the top of the connecting block. A slider is slidably connected to the outer periphery of the sliding rod.

[0009] As a further description of the above technical solution:

[0010] The power component includes a motor bracket. The bottom end of the motor bracket is fixedly connected to the top of the top plate. A rotating motor is fixedly connected to the top of the motor bracket. The front end of the bidirectional threaded rod is fixedly connected to the rear output shaft of the rotating motor.

[0011] As a further description of the above technical solution:

[0012] The sliding groove is provided at the top of the flattening top shell. Both the left and right ends of the rotating shaft are slidably connected inside the rounded sliding grooves. The bottom end of the rotating bracket is fixedly connected to the top surface of the top plate.

[0013] As a further description of the above technical solution:

[0014] One end of the limiting spring is fixedly connected to the inner wall of the top end of the limiting groove. The other end of the limiting spring is fixedly connected to the top of the limiting block. The outer periphery of the limiting block is slidably connected inside the limiting groove.

[0015] As a further description of the above technical solution:

[0016] The heating component includes a heating plate, the bottom end of the heating plate is fixedly connected to the inner wall of the bottom end of the base, a heating wire is arranged inside the heating plate, and a heat sink plate is fixedly connected to the top surface of the heating plate.

[0017] As a further description of the above technical solution:

[0018] The bottom end of the clamping plate is in contact with the top end of the heat sink plate, and the bottom of the flattening roller is in contact with the top end of the heat sink plate.

[0019] As a further description of the above technical solution:

[0020] The inner side of the slider is fixedly connected to the outer side of the top plate, and the bottom end of the slider is elastically connected to the top surface of the connecting block through a return spring.

[0021] As a further description of the above technical solution:

[0022] One end of the return spring is fixedly connected to the bottom end of the slider, and the other end of the return spring is fixedly connected to the top surface of the connecting block.

[0023] As a further description of the above technical solution:

[0024] The return spring is located on the outer periphery of the sliding rod.

[0025] The utility model has the following beneficial effects:

[0026] 1. In the utility model, by arranging the bidirectional threaded rod and the sliding bracket, the FPC product is clamped in the middle of the heating component, and then the rotating motor is turned on to make the flattening roller roll to both sides, so that the FPC product completely releases stress, the surface becomes flat, and at the same time, it is not easy to generate wrinkles and corners, ensuring the quality of the product.

[0027] 2. In the utility model, by arranging the sliding rod and the slider, the electric push rod is turned on to make the four groups of sliders fall simultaneously, so as to ensure that the flattening roller is parallel to the bottom surface and can be in full contact with the top surface of the FPC product, ensuring the flattening effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is the overall front view of a flatting device for an ultra-thin single-sided FPC product proposed by the utility model;

[0029] Figure 2 It is the bottom view of the top plate of a flatting device for an ultra-thin single-sided FPC product proposed by the utility model;

[0030] Figure 3 It is the front view of the sliding bracket of a flatting device for an ultra-thin single-sided FPC product proposed by the utility model;

[0031] Figure 4Front sectional view of the base of a flatness device for an ultra-thin single-sided FPC product proposed by the present utility model;

[0032] Figure 5 Enlarged schematic view of section A on the front of the base of a flatness device for an ultra-thin single-sided FPC product proposed by the present utility model.

[0033] Legend description:

[0034] 1. Base; 2. Fixed block; 3. Electric push rod; 4. Top plate; 5. Sliding groove; 6. Sliding bracket; 7. Threaded block; 8. Bidirectional threaded rod; 9. Rotating bracket; 10. Motor bracket; 11. Rotating motor; 12. Rotating shaft; 13. Flattening roller; 14. Flattening top shell; 15. Groove; 16. Rounded corner sliding groove; 17. Limiting groove; 18. Limiting spring; 19. Limiting block; 20. Clamping plate; 21. Heating plate; 22. Heat dissipation plate; 23. Heating wire; 24. Connecting block; 25. Slide bar; 26. Reset spring; 27. Slide block. Specific implementation manners

[0035] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0036] Refer to Figures 1 - 3, an embodiment provided by the present utility model: a flatting device for an ultra-thin single-sided FPC product, including a base 1 that plays a role in fixing and supporting. Both left and right sides of the base 1 are fixedly connected to a top plate 4 through lifting components. A sliding groove 5 is provided inside the top plate 4. There are two groups of sliding grooves 5 on the top plate 4, which are symmetrically arranged on the top surface of the top plate 4 from left to right. The bottom of the top plate 4 is fixedly connected to a flatting top shell 14. The sliding groove 5 is opened on the top of the flatting top shell 14. There are also two groups of sliding grooves 5 on the flatting top shell 14, which are symmetrically arranged on the bottom surface of the flatting top shell 14 from left to right and are opposite to the sliding grooves 5 on the top plate 4 in position. A groove 15 is also opened at the bottom end of the flatting top shell 14. A sliding bracket 6 is slidably connected inside the sliding groove 5. The sliding groove 5 restricts the sliding bracket 6 to slide back and forth along the inner wall of the sliding groove 5. A threaded block 7 is fixedly connected to the top of the sliding bracket 6. A bidirectional threaded rod 8 is threadedly connected inside the threaded block 7. The bidirectional threaded rod 8 is provided with two symmetric threads with opposite spiral directions. The two groups of threaded blocks 7 are respectively arranged on these two symmetric threads. When the bidirectional threaded rod 8 rotates, it will drive the two groups of threaded blocks 7 to move in opposite or the same direction. The rear end of the bidirectional threaded rod 8 is rotatably connected to a rotating bracket 9 that plays a role in fixing and supporting. The bottom end of the rotating bracket 9 is fixedly connected to the top surface of the top plate 4. A power component for providing power is fixedly connected to the top of the top plate 4. The power component includes a motor bracket 10 that plays a role in fixing and supporting. The bottom end of the motor bracket 10 is fixedly connected to the top end of the top plate 4. A rotating motor 11 for providing rotational power is fixedly connected to the top end of the motor bracket 10. The front end of the bidirectional threaded rod 8 is fixedly connected to the rear output shaft of the rotating motor 11. When the rotating motor 11 is turned on, the rear output shaft of the rotating motor 11 will drive the bidirectional threaded rod 8 to rotate. A rotating shaft 12 is fixedly connected to the bottom end of the sliding bracket 6. A flatting roller 13 for flattening the single-sided FPC product is rotatably connected to the outer circumference of the rotating shaft 12. A group of rounded corner sliding grooves 16 are opened on both left and right sides of the flatting top shell 14. Both left and right ends of the rotating shaft 12 are slidably connected inside the rounded corner sliding grooves 16. The rounded corner sliding grooves 16 restrict the rotating shaft 12 to only slide back and forth along the inner wall of the rounded corner sliding grooves 16.

[0037] Refer to Figures 4 - 5, a limiting groove 17 is formed inside the base 1. There are two groups of limiting grooves 17, which are symmetrically arranged on the left and right sides of the inner walls of the left and right sides of the base 1. The inner wall of the top end of the limiting groove 17 is elastically connected with a limiting block 19 through a limiting spring 18. When the limiting block 19 is not stressed, the limiting spring 18 will push the limiting block 19 downward. One end of the limiting spring 18 is fixedly connected to the inner wall of the top end of the limiting groove 17, and the other end of the limiting spring 18 is fixedly connected to the top of the limiting block 19. The outer periphery of the limiting block 19 is slidably connected to the inside of the limiting groove 17. The limiting groove 17 restricts the limiting block 19 to slide only up and down inside the limiting groove 17. A clamping plate 20 is fixedly connected to the inner side of the limiting block 19. A heating assembly is arranged on the inner wall of the bottom end of the base 1. The heating assembly includes a heating plate 21. The bottom end of the heating plate 21 is fixedly connected to the inner wall of the bottom end of the base 1. A heating wire 23 is arranged inside the heating plate 21. There are multiple groups of heating wires 23, which are linearly and evenly distributed inside the heating plate 21. When the heating wire 23 is energized, heat will be generated to raise the temperature of the heating plate 21. A heat dissipation plate 22 is fixedly connected to the top surface of the heating plate 21. The heat dissipation plate 22 can evenly distribute the heat of the heating plate 21 to make the FPC product heated evenly. The bottom end of the clamping plate 20 is in contact with the top end of the heat dissipation plate 22.

[0038] Referring to Figure 1 and Figure 4 , the lifting assembly includes fixing blocks 2. There are two groups of fixing blocks 2. The inner sides of the two groups of fixing blocks 2 are respectively fixedly connected to the outer walls of the left and right sides of the base 1. An electric push rod 3 is fixedly connected to the top end of the fixing block 2. Both sides of the top plate 4 are fixedly connected to the telescopic ends of the top surfaces of the electric push rods 3. When the electric push rod 3 is turned on, the electric push rod 3 will drive the top plate 4 to move up and down. Four groups of connecting blocks 24 are fixedly connected to both the left and right sides of the base 1, which are respectively arranged on the left and right sides of the base 1 and are symmetrically arranged front and back. A sliding rod 25 is fixedly connected to the top end of the connecting block 24. The outer periphery of the sliding rod 25 is slidably connected with a sliding block 27. The sliding rod 25 restricts the sliding block 27 to slide only up and down along the outer wall of the sliding rod 25. The inner side of the sliding block 27 is fixedly connected to the outside of the top plate 4. The bottom end of the sliding block 27 is elastically connected to the top surface of the connecting block 24 through a reset spring 26. When the sliding block 27 is not stressed, the reset spring 26 will push the sliding block 27 upward. One end of the reset spring 26 is fixedly connected to the bottom end of the sliding block 27, and the other end of the reset spring 26 is fixedly connected to the top surface of the connecting block 24. The reset spring 26 is located on the outer periphery of the sliding rod 25.

[0039] Working principle: When it is desired to make the FPC product relatively flat, the clamping plate 20 is lifted upward. The clamping plate 20 drives the limit block 19 upward and compresses the limit spring 18. Place the middle part of the FPC product under the clamping plate 20, release the clamping plate 20 to clamp the middle part of the FPC product, turn on the heating component, and the heat dissipation plate 22 uniformly heats the FPC product. Turn on the lifting component to make the top plate 4 move downward, bring the flattening roller 13 into contact with the FPC product, turn on the rotation motor 11, the rotation motor 11 drives the bidirectional threaded rod 8 to rotate, the bidirectional threaded rod 8 drives the threaded blocks 7 to move in opposite directions, drives the two sets of sliding brackets 6 to move outward, drives the flattening roller 13 to move outward, and the flattening roller 13 rolls on both sides of the FPC product surface to release the internal stress of the FPC product and make the FPC product relatively flat. When it is desired to ensure that the flattening roller 13 is parallel to the bottom surface, turn on the electric push rod 3. The left and right two sets of electric push rods 3 simultaneously drive the top plate 4 to move downward. The top plate 4 drives the four sets of sliders 27 to simultaneously move downward along the sliding rod 25 and compress the return spring 26, thereby positioning the top plate 4 through the sliding rod 25 to make the top plate 4 always parallel to the bottom surface, so as to ensure that the flattening roller 13 is in full contact with the bottom surface and ensure the flattening effect.

[0040] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An ultra-thin single-sided FPC product flattening device, comprising a base (1), characterized in that: The left and right sides of the base (1) are fixedly connected to a top plate (4) via a lifting assembly; a sliding groove (5) is provided inside the top plate (4); a sliding bracket (6) is slidably connected inside the sliding groove (5); a threaded block (7) is fixedly connected to the top of the sliding bracket (6); a bidirectional threaded rod (8) is threadedly connected inside the threaded block (7); a rear end of the bidirectional threaded rod (8) is rotatably connected to a rotating bracket (9); a power assembly is fixedly connected to the top of the top plate (4); a rotating shaft (12) is fixedly connected to the bottom end of the sliding bracket (6); The outer periphery of the moving shaft (12) is rotatably connected to a leveling roller (13); the bottom of the top plate (4) is fixedly connected to a leveling top shell (14); a groove (15) is provided at the bottom end of the leveling top shell (14); rounded sliding grooves (16) are provided on the left and right sides of the leveling top shell (14); a limiting groove (17) is provided inside the base (1); the inner wall at the top end of the limiting groove (17) is elastically connected to a limiting block (19) through a limiting spring (18); a clamping plate (20) is fixedly connected to the inner side of the limiting block (19); and a heating component is provided on the inner wall at the bottom end of the base (1).

2. The ultra-thin single-sided FPC product flattening device according to claim 1, characterized in that: The lifting assembly comprises a fixed block (2), the inner side of the fixed block (2) is fixedly connected to the outer walls on the left and right sides of the base (1), the top of the fixed block (2) is fixedly connected to an electric push rod (3), the two sides of the top plate (4) are fixedly connected to the telescopic ends of the top surface of the electric push rod (3), the left and right sides of the base (1) are fixedly connected to connecting blocks (24), the top of the connecting block (24) is fixedly connected to a sliding rod (25), and the outer periphery of the sliding rod (25) is slidably connected to a slider (27).

3. The ultra-thin single-sided FPC product flattening device according to claim 1, characterized in that: The power assembly comprises a motor bracket (10), the bottom end of the motor bracket (10) is fixedly connected to the top end of the top plate (4), the top end of the motor bracket (10) is fixedly connected to a rotating motor (11), and the front end of the bidirectional threaded rod (8) is fixedly connected to the rear output shaft of the rotating motor (11).

4. The ultra-thin single-sided FPC product flattening device according to claim 1, characterized in that: The sliding groove (5) is opened on the top of the flat top shell (14), the left and right ends of the rotating shaft (12) are slidably connected inside the rounded sliding groove (16), and the bottom end of the rotating bracket (9) is fixedly connected to the top surface of the top plate (4).

5. The ultra-thin single-sided FPC product flattening device according to claim 1, characterized in that: One end of the limit spring (18) is fixedly connected to the inner wall at the top end of the limit groove (17), and the other end of the limit spring (18) is fixedly connected to the top of the limit block (19), and the outer periphery of the limit block (19) is slidably connected to the inside of the limit groove (17).

6. The ultra-thin single-sided FPC product flattening device according to claim 1, characterized in that: The heating assembly comprises a heating plate (21), the bottom end of the heating plate (21) is fixedly connected to the inner wall of the bottom end of the base (1), a heating wire (23) is arranged inside the heating plate (21), and the top surface of the heating plate (21) is fixedly connected to a heat spreader (22).

7. The ultra-thin single-sided FPC product flattening device according to claim 6, characterized in that: The bottom end of the clamping plate (20) contacts the top end of the heat spreader (22), and the bottom end of the leveling roller (13) contacts the top end of the heat spreader (22).

8. The ultra-thin single-sided FPC product flattening device according to claim 2, characterized in that: The inner side of the slider (27) is fixedly connected to the outer side of the top plate (4), and the bottom end of the slider (27) is elastically connected to the top surface of the connecting block (24) via a return spring (26).

9. The ultra-thin single-sided FPC product flattening device according to claim 8, characterized in that: One end of the return spring (26) is fixedly connected to the bottom end of the slider (27), and the other end of the return spring (26) is fixedly connected to the top surface of the connecting block (24).

10. The ultra-thin single-sided FPC product flattening device according to claim 8, characterized in that: The return spring (26) is located on the outer periphery of the slide rod (25).

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