Automatic laminating machine for FR4 stiffening plate

Abstract

An FR4 stiffening plate automatic laminating machine comprises a first mounting frame, a first connecting frame is fixedly connected to the first mounting frame, a first servo motor is arranged on the first connecting frame, two first transmission rods are rotationally connected to the first mounting frame, and a second servo motor is arranged on the first transmission rods. The first transmission rod close to the first servo motor is connected with the first servo motor through a coupler, so that the first servo motor operates to drive the first transmission rod to rotate, and the two first transmission rods are jointly wound with a conveying belt used for conveying a circuit board; and first welding frames are fixedly connected to the two sides of the first mounting frame. The circuit board is conveyed backwards to the position below the second guide rod through the conveying belt, the reinforcing plate is pasted to the surface of the circuit board, and the circuit board and the reinforcing plate are gradually attached along with movement of the circuit board, so that automatic and rapid attachment is achieved, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to an automatic laminating machine for FR4 reinforcing plates, in particular to an automatic laminating machine for FR4 reinforcing plates. Background Art

[0002] FR4 refers to a highly reliable and extremely flexible printed circuit board made of polyimide or polyester film as the substrate. However, the circuit board is relatively weak and is prone to bending during use. Reinforcement materials must be attached to some locations to improve strength.

[0003] At present, the reinforcement work of circuit boards is done manually, where the reinforcing materials are placed on the corresponding positions of the circuit boards and then pressed to make them fit. However, manual bonding has low work efficiency and is difficult to meet the development requirements of large-scale production. It is also very easy to make placement errors or inadequate bonding, resulting in a high scrap rate of circuit boards, which increases production costs.

[0004] Therefore, there is an urgent need to provide an FR4 reinforcement plate automatic laminating machine. Utility Model Content

[0005] In order to overcome the current manual bonding method of reinforcing materials to circuit boards, which has low work efficiency, is difficult to meet the development requirements of large-scale production, is very prone to placement errors or inadequate bonding, has a high scrap rate for produced circuit boards, and leads to increased production costs, the utility model provides an FR4 reinforcing plate automatic bonding machine.

[0006] To achieve the above-mentioned problem, the utility model adopts the following technical scheme: an FR4 reinforcement plate automatic bonding machine includes a first mounting frame, a first connecting frame is fixedly connected to the first mounting frame, a first servo motor is arranged on the first connecting frame, two first transmission rods are rotatably connected to the first mounting frame, the first transmission rod close to the first servo motor is connected to the first servo motor through a coupling, so that the operation of the first servo motor can drive the first transmission rod to rotate, a conveyor belt for conveying circuit boards is commonly wound around the two first transmission rods, first welding frames are fixedly connected to both sides of the first mounting frame, a slider is clamped on the first welding frame, rollers with reinforcement plates wound around the two sliders are rotatably arranged together, a second welding frame is fixedly connected to one side of the first welding frame, two second welding frames are rotatably connected to a first guide rod, a slide rail is slidably arranged in the second welding frame, and a second guide rod is rotatably arranged on the two slide rails, and the rollers can rotate to move the reinforcement plates The reinforcing plate is released so that the reinforcing plate moves along the first guide rod and the second guide rod to the bottom of the second guide rod, and a second mounting bracket is fixedly connected to one side of the second welding bracket, and the two second welding brackets are jointly fixedly connected to a guide frame, and a tool is slidably provided on the guide frame, and a reciprocating screw is rotatably provided on the second mounting bracket, and the reciprocating screw is threadedly connected to the tool. The rotation of the reciprocating screw can make the tool move to cut the reinforcing plate. A first missing gear is penetrated at one end of the reciprocating screw, and a first torsion spring that enables the first missing gear is connected between the first missing gear and the second mounting bracket, and a second connecting bracket is fixedly connected to the second mounting bracket close to the first missing gear, and a second transmission rod is rotatably connected to the second connecting bracket, and a second missing gear is penetrated on the second transmission rod, and the second missing gear is meshed with the first missing gear, and a pulley group for driving the second missing gear to rotate is provided between the output shaft of the first servo motor and the second transmission rod.

[0007] Further, the second missing gear is located in front of the first missing gear.

[0008] Furthermore, two groups of third welding frames are fixedly connected to the first mounting frame, a guide frame for guiding the circuit board is slidably arranged on the third welding frame, and a second torsion spring for resetting the guide frame is connected between the guide frame and the third welding frame.

[0009] Furthermore, the two groups of the third welding frames are respectively located at the front and rear sides of the first welding frame.

[0010] Further, a third mounting frame is fixedly connected to the first mounting frame, a guide roller is rotatably connected to the third mounting frame, two third transmission rods are rotatably connected to the third mounting frame, a conveyor belt for outputting circuit boards is commonly wound around the two third transmission rods, a third connecting frame is fixedly connected to the third mounting frame, a second servo motor is arranged on the third connecting frame, the second servo motor is connected to the adjacent third transmission rod through a coupling, and the operation of the second servo motor can drive the third transmission rod to rotate, thereby moving the third connection.

[0011] Furthermore, the total number of guide rollers is three.

[0012] Furthermore, support frames are fixedly connected to both sides of the first mounting frame, and the two support frames are rotatably connected to a rotating rod, a scraper is provided on the rotating rod, and a third torsion spring is connected between the rotating rod and the support frame to reset the rotating rod.

[0013] Furthermore, the scraper head is made of a cleaning sponge.

[0014] Furthermore, an extension frame is fixedly connected to a side of the first mounting frame opposite to the third welding frame.

[0015] Furthermore, a detector is provided on the extension frame.

[0016] Compared with the prior art, the utility model has the following technical effects: 1. The circuit board is conveyed backward to the bottom of the second guide rod by the conveyor belt, so that the reinforcement plate is adhered to the surface of the circuit board, and as the circuit board moves, the circuit board gradually completes the bonding with the reinforcement plate, thereby realizing automatic and rapid bonding, thereby improving production efficiency.

[0017] 2. The circuit board contacts the guide frame, which rotates outward to a suitable angle according to the size of the circuit board to allow the circuit board to pass through, and guides the circuit board to ensure that the circuit board is in the center position to prevent the circuit board from shifting and affecting the subsequent reinforcement plate bonding operation.

[0018] 3. The third transmission rod is driven to rotate by the second servo motor to enable the conveyor belt to operate and transport the circuit board on the guide roller to prevent material pushing.

[0019] 4. The scraper is in contact with the circuit board to remove dust and impurities on the surface of the circuit board to ensure the bonding effect of the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0021] Figure 2 It is a three-dimensional structural schematic diagram of the guide frame, reciprocating screw and cutter of the utility model.

[0022] Figure 3 It is a three-dimensional structural schematic diagram of the third welding frame, the guide frame and the second torsion spring of the utility model.

[0023] Figure 4 For this utility model Figure 3 Enlarged view of point A in the middle.

[0024] Figure 5 It is a three-dimensional structural schematic diagram of the third mounting frame, guide roller and transmission belt of the utility model.

[0025] Figure 6 For this utility model Figure 3 Enlarged view of point B in the middle.

[0026] Parts names and serial numbers in the figure: 1_first mounting frame, 2_first connecting frame, 3_first servo motor, 4_first transmission rod, 5_conveyor belt, 6_first welding frame, 7_slider, 8_roller, 9_second welding frame, 10_first guide rod, 11_slide rail, 12_second guide rod, 13_second mounting frame, 14_guide frame, 15_reciprocating screw, 16_tool, 17_first torsion spring, 18_first missing gear, 19_second Connecting frame, 20_second transmission rod, 21_pulley set, 22_second missing gear, 23_third welding frame, 24_guide frame, 25_second torsion spring, 26_third mounting frame, 27_guide roller, 28_transmission belt, 29_third connecting frame, 30_third transmission rod, 3001_second servo motor, 31_support frame, 32_rotating rod, 33_scraper, 34_third torsion spring, 35_extension frame, 36_detector. DETAILED DESCRIPTION

[0027] 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.

[0028] Example 1

[0029] See also Figure 1-Figure 4, an FR4 reinforcement plate automatic bonding machine, including a first mounting frame 1, a first connecting frame 2 is fixedly connected to the right front side of the first mounting frame 1 by welding, a first servo motor 3 is arranged on the top of the first connecting frame 2, the front and rear parts of the first mounting frame 1 are both rotatably connected to two first transmission rods 4, the first transmission rod 4 at the front is connected to the first servo motor 3 by a coupling, so that the operation of the first servo motor 3 can drive the first transmission rod 4 to rotate, the two first transmission rods 4 are commonly wound with a conveyor belt 5, and the conveyor belt 5 can be moved to transport the circuit board by rotating the two first transmission rods 4, the left and right sides of the first mounting frame 1 are fixedly connected to first welding frames 6 by welding, and the first welding frames 6 A slider 7 is clamped on the upper rear side, and two of the sliders 7 are rotatably provided with rollers 8 with reinforcement plates wrapped around them. A second welding frame 9 is fixedly connected to the front side of the middle part of the first welding frame 6 by welding, and the two second welding frames 9 are rotatably connected to a first guide rod 10. A slide rail 11 is slidably provided in the second welding frame 9, and the two slide rails 11 are rotatably provided with a second guide rod 12. The roller 8 can release the reinforcement plate by rotating, so that the reinforcement plate moves along the first guide rod 10 and the second guide rod 12 to the bottom of the second guide rod 12. A second mounting frame 13 is fixedly connected to the front side of the lower part of the second welding frame 9 by welding, and the two second welding frames 9 are fixedly connected to a guide frame 14. The guide frame 14 A tool 16 is provided in an upper sliding manner, and the tool 16 is located below the first guide rod 10. A reciprocating screw 15 is provided in a jointly rotating manner on the two second mounting frames 13. The reciprocating screw 15 is threadedly connected to the tool 16. The rotation of the reciprocating screw 15 can move the tool 16 to cut the reinforcing plate. A first missing gear 18 is penetrated at the right end of the reciprocating screw 15. A first torsion spring 17 that enables the first missing gear 18 to be connected between the first missing gear 18 and the second mounting frame 13 is sleeved on the reciprocating screw 15. A second connecting frame 19 is fixedly connected to the front side of the second mounting frame 13 near the first missing gear 18 by welding. The second connecting frame 19 rotates A second transmission rod 20 is connected, and a second missing gear 22 located in front of the first missing gear 18 is pierced on the second transmission rod 20. The second missing gear 22 is meshed with the first missing gear 18. Under the meshing force, the second missing gear 22 rotates to drive the first missing gear 18 to rotate. A pulley group 21 is arranged between the output shaft of the first servo motor 3 and the second transmission rod 20. When the first servo motor 3 is in operation, the second missing gear 22 can be driven to rotate synchronously under the transmission action of the pulley group 21. An extension frame 35 is fixedly connected to the first mounting frame 1 on one side relative to the third welding frame 23 by welding, which is convenient for placing the circuit board. A detector 36 is arranged on the top of the extension frame 35.The detector 36 can detect the circuit board to prevent the circuit board with damaged surface from flowing into the conveyor belt 5.

[0030] When in use, the circuit board is placed flat on the conveyor belt 5, and then the first servo motor 3 is started to make the first transmission rod 4 rotate and drive the conveyor belt 5 to operate. The conveyor belt 5 transports the circuit board backward to the bottom of the second guide rod 12, and the reinforcement plate is pasted to the surface of the circuit board. As the circuit board moves, the circuit board gradually completes the bonding with the reinforcement plate, thereby achieving rapid bonding and improving production efficiency. At the same time, the second missing gear 22 drives the second missing gear 22 to rotate under the transmission of the pulley group 21, and the first torsion spring 17 is deformed, so that the reciprocating screw 15 rotates to drive the tool 16 to move right to cut the reinforcement plate. Subsequently, the second missing gear 22 rotates and disengages from the second missing gear 22. Under the reset elastic force of the first torsion spring 17, the reciprocating screw 15 reverses and drives the tool 16 to reset to the left, and the conveyor belt 5 transports the circuit board backward. When the reinforcement plate on the roller 8 is used up, the slider 7 is pushed upward to remove the roller 8 for replacement.

[0031] Example 2

[0032] Based on Example 1, please refer to Figure 3 Two groups of third welding frames 23 are fixedly connected to the first mounting frame 1 by welding. The two groups of third welding frames 23 are respectively located on the front and rear sides of the first welding frame 6, and each group of third welding frames 23 has a total of two and are symmetrically distributed left and right. A guide frame 24 is slidably arranged on the third welding frame 23. The circuit board moves and contacts the guide frame 24, so that the guide frame 24 is rotated to a suitable angle to guide the circuit board. A second torsion spring 25 is connected between the guide frame 24 and the third welding frame 23 to reset the guide frame 24, and the second torsion spring 25 is sleeved on the guide frame 24.

[0033] When the conveyor belt 5 transports the circuit board, the circuit board contacts the guide frame 24. The guide frame 24 rotates outward to a suitable angle according to the size of the circuit board for the circuit board to pass through. The second torsion spring 25 deforms and guides the circuit board to ensure that the circuit board is in the center position, preventing the circuit board from deviating and affecting the subsequent reinforcement plate bonding operation.

[0034] See also Figure 5A third mounting frame 26 is fixedly connected to the rear side of the first mounting frame 1 by welding, and three guide rollers 27 equidistantly distributed laterally are rotatably connected to the lower part of the third mounting frame 26, and the guide rollers 27 guide the circuit board. Two third transmission rods 30 distributed up and down are rotatably connected to the upper part of the third mounting frame 26, and a conveyor belt 28 is wound around the two third transmission rods 30. The rotation of the two third transmission rods 30 can move the conveyor belt 28 to output the circuit board on the guide rollers 27. A third connecting frame 29 is fixedly connected to the right side of the third mounting frame 26 by welding, and a second servo motor 3001 is arranged on the third connecting frame 29. The second servo motor 3001 is connected to the adjacent third transmission rod 30 through a coupling, and the operation of the second servo motor 3001 can drive the third transmission rod 30 to rotate, so that the third connection moves.

[0035] When the reinforced circuit board moves to the guide roller 27, the second servo motor 3001 drives the third transmission rod 30 to rotate so that the conveyor belt 28 operates to transport the circuit board on the guide roller 27 to prevent material pushing.

[0036] See also Figure 3 and Figure 6 The left and right sides of the first mounting frame 1 are fixedly connected with a support frame 31 located on the front side of the first welding frame 6 by welding. The two support frames 31 are rotatably connected to a rotating rod 32 together. A scraper 33 is provided on the rotating rod 32. The surface of the circuit board can be cleaned by contacting the head of the scraper 33 with the circuit board. The head of the scraper 33 is made of a cleaning sponge, which is convenient for the scraper 33 to clean. Two third torsion springs 34 for resetting the rotating rod 32 are connected between the rotating rod 32 and the support frame 31. The two third torsion springs 34 are respectively sleeved on the left and right ends of the rotating rod 32.

[0037] When the circuit board moves under the scraper 33, the circuit board contacts the scraper 33, and the scraper 33 rotates upward to a suitable height according to the thickness of the circuit board. The third torsion spring 34 is deformed, so that the scraper 33 scrapes off dust and impurities on the surface of the circuit board to ensure the bonding effect of the circuit board.

[0038] Those skilled in the art should understand that the above embodiments do not limit the present invention in any form, and any technical solutions obtained by equivalent replacement or equivalent transformation shall fall within the protection scope of the present invention.

Claims

1. An automatic laminating machine for FR4 reinforcement plates, characterized in that: The invention comprises a first mounting frame (1), a first connecting frame (2) is fixedly connected to the first mounting frame (1), a first servo motor (3) is arranged on the first connecting frame (2), two first transmission rods (4) are rotatably connected to the first mounting frame (1), the first transmission rod (4) close to the first servo motor (3) is connected to the first servo motor (3) through a coupling, so that the operation of the first servo motor (3) can drive the first transmission rod (4) to rotate, a conveyor belt (5) for conveying circuit boards is wound around the two first transmission rods (4), and first welding rods are fixedly connected to both sides of the first mounting frame (1). The welding frame (6) comprises a slide block (7) clamped on the first welding frame (6), two slide blocks (7) are provided with rollers (8) with reinforcement plates rotating together, a second welding frame (9) is fixedly connected to one side of the first welding frame (6), two second welding frames (9) are connected with a first guide rod (10) rotating together, a slide rail (11) is provided in a sliding manner inside the second welding frame (9), two slide rails (11) are provided with a second guide rod (12) rotating together, the rollers (8) are rotated to release the reinforcement plates, so that the reinforcement plates move along the first guide rod (10) and the second guide rod (12) to the welding frame (6). Below the second guide rod (12), a second mounting frame (13) is fixedly connected to one side of the second welding frame (9), and the two second welding frames (9) are commonly fixedly connected to a guide frame (14). A tool (16) is slidably provided on the guide frame (14), and a reciprocating screw (15) is rotatably provided on the second mounting frame (13). The reciprocating screw (15) is threadedly connected to the tool (16). The rotation of the reciprocating screw (15) can move the tool (16) to cut the reinforcing plate. A first missing gear (18) is passed through one end of the reciprocating screw (15), and the first missing gear (18) is rotatably connected to the second mounting frame (13). A first torsion spring (17) for holding the first missing gear (18) is connected between the mounting frames (13); a second connecting frame (19) is fixedly connected to the second mounting frame (13) near the first missing gear (18); a second transmission rod (20) is rotatably connected to the second connecting frame (19); a second missing gear (22) is passed through the second transmission rod (20); the second missing gear (22) is meshed with the first missing gear (18); a pulley group (21) for driving the second missing gear (22) to rotate is arranged between the output shaft of the first servo motor (3) and the second transmission rod (20).

2. The FR4 reinforcement plate automatic laminating machine according to claim 1, characterized in that: The second missing gear (22) is located in front of the first missing gear (18).

3. The FR4 reinforcement plate automatic laminating machine according to claim 1, characterized in that: Two groups of third welding frames (23) are fixedly connected to the first mounting frame (1), a guide frame (24) for guiding the circuit board is slidably arranged on the third welding frame (23), and a second torsion spring (25) for resetting the guide frame (24) is connected between the guide frame (24) and the third welding frame (23).

4. The FR4 reinforcement plate automatic laminating machine according to claim 3, characterized in that: The two groups of the third welding frames (23) are respectively located on the front and rear sides of the first welding frame (6).

5. The FR4 reinforcement plate automatic laminating machine according to claim 1, characterized in that: A third mounting frame (26) is fixedly connected to the first mounting frame (1), a guide roller (27) is rotatably connected to the third mounting frame (26), two third transmission rods (30) are rotatably connected to the third mounting frame (26), a transmission belt (28) for outputting a circuit board is wound around the two third transmission rods (30), a third connecting frame (29) is fixedly connected to the third mounting frame (26), a second servo motor (3001) is arranged on the third connecting frame (29), the second servo motor (3001) is connected to the adjacent third transmission rod (30) through a coupling, and the operation of the second servo motor (3001) can drive the third transmission rod (30) to rotate, thereby moving the third connection.

6. The FR4 reinforcement plate automatic laminating machine according to claim 5, characterized in that: The total number of guide rollers (27) is three.

7. The FR4 reinforcement plate automatic laminating machine according to claim 1, characterized in that: Support frames (31) are fixedly connected to both sides of the first mounting frame (1); the two support frames (31) are rotatably connected to a rotating rod (32) together; a scraper (33) is provided on the rotating rod (32); and a third torsion spring (34) is connected between the rotating rod (32) and the support frame (31) for resetting the rotating rod (32).

8. The FR4 reinforcement plate automatic laminating machine according to claim 7, characterized in that: The head of the scraper (33) is made of a cleaning sponge.

9. The FR4 reinforcement plate automatic laminating machine according to claim 3, characterized in that: An extension frame (35) is fixedly connected to a side of the first mounting frame (1) opposite to the third welding frame (23).

10. The FR4 reinforcement plate automatic laminating machine according to claim 9, characterized in that: The extension frame (35) is provided with a detector (36).

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