Flexible printed circuit (FPC) conductive double faced adhesive tape

Abstract

The utility model discloses a flexible printed circuit (FPC) conductive double faced adhesive tape, which belongs to the technical field of conductive double faced adhesive tape use and comprises a support frame and a double faced adhesive tape body. The double-sided adhesive body comprises conductive adhesive paper, main release paper and auxiliary release paper, the main release paper and the auxiliary release paper are bonded to the outer wall of the conductive adhesive paper, scale marks are arranged on the outer wall of the main release paper, a mounting rod is fixedly connected to the outer wall of the supporting frame, a placement seat is fixedly connected to one end of the mounting rod, and a through opening is formed in the outer wall of the placement seat. The top of the placement seat is slidably connected with a cutter, the cutting end of the cutter extends into the through opening, and one end of the cutter is fixedly connected with a pull rod. According to scales of the main release paper and the fixed distance between the outside of the through opening and the cutting position, a worker can accurately determine the length needing to be cut, and the length requirement needed by a circuit board is met.

Description

Technical Field

[0001] The utility model relates to the technical field of use of conductive double-sided adhesive tape, in particular to a FPC conductive double-sided adhesive tape. Background Art

[0002] FPC is a flexible circuit board. It is a highly reliable and extremely flexible printed circuit board made of polyimide or polyester film as the substrate. During its production and processing, the installation and wiring of the circuit board are considered, and conductive double-sided tape needs to be affixed to the outer wall of its back before it leaves the factory.

[0003] However, the conductive double-sided tape that needs to be affixed to the FPC circuit board during processing is mostly in rolls. When it is needed, it is not convenient for the auxiliary personnel to accurately tear off the required length according to the size requirements of the circuit board.

[0004] Based on this, the utility model designs a FPC conductive double-sided adhesive to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a FPC conductive double-sided adhesive to solve the above technical problems.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an FPC conductive double-sided adhesive, comprising: a support frame and a double-sided adhesive body; the double-sided adhesive body comprises a conductive adhesive paper and a main release paper and a secondary release paper bonded to the outer wall of the conductive adhesive paper, the outer wall of the main release paper is provided with scale lines, the outer wall of the support frame is fixedly connected to a mounting rod, one end of the mounting rod is fixedly connected to a placement seat, the outer wall of the placement seat is provided with a through opening, the top of the placement seat is slidably connected to a cutter, the cutting end of the cutter extends into the through opening, and one end of the cutter is fixedly connected to a pull rod.

[0007] Preferably, two symmetrical sliding grooves are formed on the outer wall of the placement seat, a sliding rod is slidably connected to the inner wall of the sliding groove, and a spring is fixedly connected between the sliding rod and the inner wall of the sliding groove.

[0008] Preferably, one end of the two sliding rods away from the spring is respectively fixedly connected to the bottom of the pull rod, and a finger groove is provided on the outer wall of the pull rod.

[0009] Preferably, two symmetrical limit blocks are inserted into the outer wall of the support frame, and a rotating shaft is rotatably connected between the two limit blocks.

[0010] Preferably, the double-sided colloid is wound around the outer wall of the rotating shaft.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: by utilizing the scale of the main release paper and the fixed distance from the outer edge of the through hole to the cutting point, personnel can accurately determine the length required for cutting to meet the length requirements of the circuit board. After selecting the double-sided adhesive of the required length, the rebound cutter can be used to quickly cut the double-sided adhesive for use by personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0013] Figure 1 This is a schematic diagram of the overall structure of this embodiment;

[0014] Figure 2 This is a schematic diagram showing the structure of the mounting seat in this embodiment;

[0015] Figure 3 The schematic diagram of the double-sided colloid structure is highlighted for this embodiment;

[0016] Figure 4 This is a schematic diagram of the structure inside the slideway in this embodiment.

[0017] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0018] 1. Support frame; 2. Limit block; 3. Rotating shaft; 4. Conductive adhesive paper; 5. Primary release paper; 6. Secondary release paper; 7. Mounting rod; 8. Placement seat; 9. Slide groove; 10. Slide rod; 11. Spring; 12. Pull rod; 13. Cutter; 14. Through hole; 15. Finger groove. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4The utility model provides a technical solution: a FPC conductive double-sided adhesive, comprising: a support frame 1 and a double-sided adhesive; the double-sided adhesive comprises a conductive adhesive paper 4 and a main release paper 5 and a secondary release paper 6 bonded to the outer wall of the conductive adhesive paper 4, the outer wall of the main release paper 5 is provided with a scale line, the outer wall of the support frame 1 is fixedly connected to a mounting rod 7, one end of the mounting rod 7 is fixedly connected to a placement seat 8, the outer wall of the placement seat 8 is provided with a through opening 14, the top of the placement seat 8 is slidably connected to a cutter 13, the cutting end of the cutter 13 extends into the through opening 14, and one end of the cutter 13 is fixedly connected to a pull rod 12;

[0021] The conductive adhesive paper 4 of the double-sided adhesive is located between the main release paper 5 and the auxiliary release paper 6 to protect the conductive adhesive paper 4 located in the center. The scale of the main release paper 5 and the fixed distance from the outside of the through hole 14 to the cutting point are used to accurately determine the length to be cut to meet the length requirements of the circuit board. After selecting the double-sided adhesive of the required length, the cutter 13 is used to quickly cut the double-sided adhesive for use by personnel.

[0022] Preferably, the outer wall of the placement seat 8 is provided with two symmetrical slide grooves 9, the inner wall of the slide groove 9 is slidably connected with a slide rod 10, and a spring 11 is fixedly connected between the slide rod 10 and the inner wall of the slide groove 9;

[0023] The two slide grooves 9 on the outer wall of the mounting seat 8 are used for the sliding of the slide rod 10. The slide rod 10 is pulled and retracted in the slide groove 9 by the spring 11. The more the slide rod 10 protrudes from the slide groove 9, the more the spring 11 is stretched. When the slide rod 10 is released, it can be quickly retracted by the spring 11.

[0024] Preferably, one end of the two slide bars 10 away from the spring 11 is respectively fixedly connected to the bottom of the pull rod 12, and the outer wall of the pull rod 12 is provided with a finger groove 15;

[0025] One end of the slide bar 10 is fixedly connected to the pull rod 12 , and moves synchronously with the pull rod 12 and the cutter 13 , and together uses the spring 11 to cut the double-sided adhesive, and uses the finger groove 15 to facilitate personnel to pull the pull rod 12 .

[0026] Preferably, two symmetrical limit blocks 2 are inserted into the outer wall of the support frame 1, and a rotating shaft 3 is rotatably connected between the two limit blocks 2;

[0027] The two limit blocks 2 are fixed to the support frame 1 by screws and can be disassembled. The rotating shaft 3 rotates between the two limit blocks 2.

[0028] Preferably, the double-sided colloid is wound around the outer wall of the rotating shaft 3;

[0029] The rotation of the rotating shaft 3 is utilized to assist the output of the double-sided colloid wound on its outer wall.

[0030] A specific application of this embodiment is: use the finger groove 15 to pull the pull rod 12 upward to make the cutting end of the cutter 13 leave the through hole 14 of the placement seat 8, and then pull one end of the double-sided glue rolled on the outer wall of the rotating shaft 3 through the through hole 14 of the placement seat 8. According to the needs of the circuit board, the scale line of the main release paper 5 and the fixed distance from the outside of the through hole 14 to the cutting point are used to determine the length to be cut. The outside of the through hole 14 and the cutting point are at a determined length distance, so that the personnel can determine the required usage length after adding the length of the double-sided glue extending out of the through hole 14 and this fixed length distance, and then release the pulled pull rod 12, use the spring 11 to quickly pull the slide bar 10, the pull rod 12 and the cutter 13 downward, so that the cutting end of the cutter 13 cuts off the double-sided glue in the through hole 14 of the placement seat 8. When the double-sided glue on the outer wall of the rotating shaft 3 is used up, the limit block 2 can be removed by screws for replacement.

[0031] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0032] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A FPC conductive double-sided adhesive, comprising: A support frame (1) and a double-sided colloid; characterized in that the double-sided colloid comprises a conductive adhesive paper (4) and a main release paper (5) and a secondary release paper (6) bonded to the outer wall of the conductive adhesive paper (4), the outer wall of the main release paper (5) is provided with scale lines, the outer wall of the support frame (1) is fixedly connected to a mounting rod (7), one end of the mounting rod (7) is fixedly connected to a placement seat (8), the outer wall of the placement seat (8) is provided with a through opening (14), the top of the placement seat (8) is slidably connected to a cutter (13), the cutting end of the cutter (13) extends into the through opening (14), and one end of the cutter (13) is fixedly connected to a pull rod (12).

2. The FPC conductive double-sided adhesive according to claim 1, characterized in that: The outer wall of the placement seat (8) is provided with two symmetrical sliding grooves (9), the inner wall of the sliding groove (9) is slidably connected with a sliding rod (10), and a spring (11) is fixedly connected between the sliding rod (10) and the inner wall of the sliding groove (9).

3. The FPC conductive double-sided adhesive according to claim 2, characterized in that: One end of the two slide bars (10) away from the spring (11) is respectively fixedly connected to the bottom of the pull rod (12), and a finger groove (15) is provided on the outer wall of the pull rod (12).

4. The FPC conductive double-sided adhesive according to claim 1, characterized in that: Two symmetrical limit blocks (2) are inserted into the outer wall of the support frame (1), and a rotating shaft (3) is rotatably connected between the two limit blocks (2).

5. The FPC conductive double-sided adhesive according to claim 4, characterized in that: The double-sided colloid is wound around the outer wall of the rotating shaft (3).

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