Circuit board bonding feeding equipment and feeding method thereof

Abstract

The present invention relates to the field of circuit board production, and in particular to circuit board bonding and loading equipment and a loading method thereof. The present invention provides a circuit board bonding and loading equipment, comprising: a film pasting table, a conveying mechanism is arranged above the film pasting table; a material belt is provided between the conveying mechanism and the film pasting table, and a plurality of protective film materials are provided on the material belt; and a laminating station is provided on the film pasting table, and a heating component is provided below the laminating station. When the conveying mechanism drives the carrier to move to face the laminating station, the protective film material is separated from the material belt, and the heating component heats the laminating station to shrink the protective film material in the laminating station and attach it to the pins of the carrier. By arranging the film pasting table below the conveying mechanism and arranging the material belt between the film pasting table and the conveying mechanism, after the carrier moves to the laminating station, it can be inserted into the laminating station through the pins, and the protective film material can be pushed to separate from the material belt. At the same time, the protective film material is shrunk in the laminating station by heating, and finally covered on the pins of the carrier.

Description

Technical Field

[0001] The invention relates to the field of circuit board production, and in particular to circuit board bonding and feeding equipment and a feeding method thereof. Background Art

[0002] DBC (Direct Bonded Copper) is a commonly used production process for circuit boards. Its process feature is to directly bond copper on the circuit board. In related technologies, before bonding the circuit board, several workpieces are usually placed on a standardized carrier, and then several carriers are placed in a material box. The material box is placed on the production equipment, and the carriers on the material box are transported to the conveying equipment in sequence by a robot. After being transported to the bonding position, the corresponding bonding process is carried out.

[0003] During the bonding process of the circuit board, the pins of the circuit board protrude from the bottom of the circuit board, so the pins are bent during the process of the film covering the pins. Therefore, it is urgent to design a circuit board bonding feeding device and a feeding method thereof to solve the technical problem that the pins are easily bent under the action of the film during the bonding of the circuit board. Summary of the invention

[0004] The object of the present invention is to provide a circuit board bonding and feeding device and a feeding method thereof to solve the above-mentioned problems.

[0005] In a first aspect, the present invention provides a circuit board bonding and loading device, comprising: a film pasting table, a conveying mechanism is arranged above the film pasting table, and the conveying mechanism is suitable for conveying a carrier board;

[0006] There is a material belt between the conveying mechanism and the film sticking table, and a plurality of protective film materials are arranged on the material belt; and

[0007] The film sticking table is provided with a plurality of film sticking components, and the film sticking components are provided with a packaging station;

[0008] When the conveying mechanism drives the carrier plate to move to face the packaging station, the protective film material is located between the film pasting assembly and the carrier plate, and the film pasting assembly rises to separate the protective film material from the material belt and fall into the packaging station;

[0009] The film sticking assembly continues to rise so that the protective film material covers the pins, and then the film sticking assembly heats the edge of the protective film material so that the protective film material is connected to the carrier board.

[0010] In an optional embodiment, the film sticking assembly includes an outer frame and a hot melt knife holder which are separately arranged, the outer frame and the hot melt knife holder are both rectangular, and the hot melt knife is located on the inner side of the hot melt knife holder;

[0011] The outer frame is fixed on the film sticking table, and the hot melt knife is suitable for lifting and lowering in the vertical direction;

[0012] Furthermore, the two sides of the hot melt knife holder are respectively provided with two cutting blocks, and the cutting blocks on the two sides of the hot melt knife holder correspond one to one.

[0013] In an optional embodiment, the hot melt knife holder further has four positioning blocks on the inner side, and each positioning block is arranged along the circumference of the hot melt knife holder;

[0014] The two adjacent positioning blocks are respectively located on two sides of the cutting block;

[0015] The positioning block is provided with a forming groove, a heating block is arranged in the forming groove, and the positioning block is suitable for lifting and lowering in a vertical direction.

[0016] In an optional embodiment, the two sides of the bottom of the film sticking table are respectively provided with a winding roller and an unwinding roller, and the film sticking table is provided with two film passing grooves;

[0017] One end of the winding roller is connected with a winding motor.

[0018] In an optional embodiment, a lifting component is provided at the bottom of the film sticking table, and a movable end of the lifting component is connected to the bottom end of the film sticking table.

[0019] In an optional embodiment, the conveying mechanism includes a support frame, a plurality of conveying wheels are arranged on the support frame, and a conveying motor is also arranged on the support frame, and the conveying motor is drivingly connected to any of the conveying wheels.

[0020] In an optional embodiment, a conveyor belt is provided on the support frame, and the conveyor belt is sleeved on each of the conveying wheels;

[0021] The movable end of the conveying motor is provided with a rotating wheel, and the conveying belt is sleeved on the rotating wheel.

[0022] In an optional embodiment, the feeding device further includes a conveying mechanism and a transfer mechanism, the transfer mechanism is arranged on one side of the conveying mechanism, and the conveying direction of the transfer mechanism is perpendicular to the conveying direction of the conveyor belt;

[0023] The unloading end of the conveying mechanism corresponds to the loading end of the transfer mechanism, and the conveying direction of the conveying mechanism is parallel to the conveying direction of the transfer mechanism.

[0024] In an optional embodiment, the conveying mechanism includes a conveying seat and a conveying belt installed on the conveying seat.

[0025] In an optional embodiment, the transfer mechanism includes a transfer bracket, a transfer seat, a transfer belt and a transfer motor, wherein the transfer motor is installed on the top of the transfer bracket, and the transfer seat is slidably arranged on the transfer bracket.

[0026] The movable end of the transfer motor is transmission-connected to the transfer seat;

[0027] In an optional embodiment, the transfer belt is installed on the transfer seat.

[0028] In a second aspect, the embodiment of the present disclosure further provides a circuit board bonding loading method, comprising the loading device as described above, wherein when the conveying mechanism drives the carrier to move to face the packaging station, the protective film material is located between the film laminating assembly and the carrier, and the film laminating assembly rises to separate the protective film material from the material belt and fall into the packaging station;

[0029] The film sticking assembly continues to rise so that the protective film material covers the pins, and then the film sticking assembly heats the edge of the protective film material so that the protective film material is connected to the carrier board.

[0030] Compared with the prior art, the present invention has the following beneficial effects: by arranging a film pasting table under the conveying mechanism and arranging a material belt between the film pasting table and the conveying mechanism, after the carrier moves to the laminating station, it can be inserted into the laminating station through the pins, and the protective film material can be pushed to separate from the material belt. At the same time, the protective film material can be shrunk in the laminating station by heating, and finally covered on the pins of the carrier. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0032] Figure 1 A three-dimensional diagram of a feeding device provided by an embodiment of the present disclosure is shown;

[0033] Figure 2 A schematic structural diagram of a conveying mechanism provided by an embodiment of the present disclosure is shown;

[0034] Figure 3 A schematic structural diagram of a transfer mechanism provided by an embodiment of the present disclosure is shown;

[0035] Figure 4 A partial cross-sectional view of a film sticking station provided by an embodiment of the present disclosure is shown;

[0036] Figure 5 A three-dimensional diagram of a film sticking table provided by an embodiment of the present disclosure is shown;

[0037] Figure 6 A schematic diagram showing the position of a film sticking assembly provided by an embodiment of the present disclosure is shown;

[0038] Figure 7 A schematic structural diagram of a film sticking assembly provided by an embodiment of the present disclosure is shown;

[0039] Figure 8A schematic structural diagram of a material strip provided by an embodiment of the present disclosure is shown;

[0040] Fig. 9 A schematic diagram of the molding structure of a protective film material provided in an embodiment of the present disclosure is shown.

[0041] In the figure:

[0042] 1. Film sticking table; 11. Film sticking assembly; 111. External frame; 112. Hot melt knife holder; 113. Cutting block; 114. Positioning block; 115. Forming groove; 12. Heating block; 13. Winding roller; 14. Unwinding roller; 16. Lifting assembly; 17. Film threading groove; 18. Winding motor;

[0043] 2. Conveying mechanism; 21. Support frame; 22. Conveying wheel; 23. Conveying motor; 24. Conveying belt;

[0044] 3. Carrier plate; 4. Conveying mechanism; 41. Conveying seat; 42. Conveying belt;

[0045] 5. Transfer mechanism; 51. Transfer bracket; 52. Transfer seat; 53. Transfer belt; 54. Transfer motor;

[0046] 6. Material strip; 61. Protective film material. DETAILED DESCRIPTION

[0047] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0048] Research has found that during the bonding process of the circuit board, the pins of the circuit board protrude from the bottom of the circuit board, so the pins are bent during the process of the film covering the pins.

[0049] The defects existing in the above solutions are the results obtained by the inventor after practice and careful research. Therefore, the discovery process of the above problems and the solutions proposed by the present disclosure for the above problems below should be the contributions made by the inventor to the present disclosure during the disclosure process.

[0050] In the following, some embodiments of the present invention are described in detail in conjunction with the accompanying drawings. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. In addition, in the accompanying drawings, in order to effectively describe the technical content, the thickness of the components can be exaggerated or reduced.

[0051] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0052] Based on the above research, Figure 1 The embodiment of the present disclosure provides a circuit board bonding and loading device, comprising: a film pasting table 1, a conveying mechanism 2, a plurality of carriers 3, a conveying mechanism 4 and a transfer mechanism 5. The conveying mechanism 2 is arranged above the film pasting table 1, and the conveying mechanism 2 is suitable for conveying the carriers 3 through the film pasting table 1 in sequence. The film pasting table 1 is suitable for coating the pins at the bottom of the carrier 3 passing by with a protective film material 61. The conveying mechanism 4 is suitable for carrying a material box mounted on the carrier 3. The transfer mechanism 5 is suitable for adjusting the position of the material box at the unloading end of the conveying mechanism 2.

[0053] Reference Figure 5 and Figure 6 In at least one embodiment, the film sticking station 1 has a plurality of film sticking components 11, and the film sticking components 11 have a packaging station. At the same time, the film sticking station 1 has a winding roller 13 and a discharging roller 14 on both sides of the bottom, and the film sticking station 1 has two film passing grooves 17. There is a material belt 6 between the conveying mechanism 2 and the film sticking station 1, and there are a plurality of protective film materials 61 on the material belt 6. The material belt 6 passes through one of the film passing grooves 17 upward from the discharging roller 14, passes between the carrier plate 3 and the packaging station, and then passes through another film passing groove 17 downward to be connected to the winding roller 13. A winding motor 18 is connected to one end of the winding roller 13. Through the above arrangement, when the winding motor 18 is started, the material belt 6 can be pulled to be wound along the above path, so that the protective film material 61 passes between the carrier plate 3 and the packaging station in sequence. When the conveying mechanism 2 drives the carrier 3 to move to face the packaging station, the material belt 6 drives a protective film material 61 to move to above the packaging station, and the film assembly 11 rises to separate the protective film material 61 from the material belt 6, and attaches it to the carrier 3, and falls into the packaging station. The film assembly 11 continues to rise so that the protective film material 61 covers the pins, and then the film assembly 11 heats the edge of the protective film material 61 to connect the protective film material 61 to the carrier 3.

[0054] Reference Figure 8 In at least one embodiment, the overall outline of the protective film material 61 is the solid line in the figure, which includes a rectangular outer frame and four internal notches. The notches are located on both sides of the protective film material 61 and are distributed in pairs to form two "two" shapes. Fig. 9 After the film assembly 11 separates the protective film material 61 from the material strip 6, it can be Figure 8 The protective film material 61 is folded at the dotted line portion so that the folded protective film material 61 forms a Fig. 9In the structure shown, the central part of the folded protective film material 61 forms a groove to cover the pin part at the bottom of the carrier board 3. At the same time, four edges are formed around the groove part, and the film assembly 11 can heat the four edges of the protective film material 61 so that the four edges of the protective film material 61 adhere to the bottom of the carrier board 3, thereby achieving the effect of connecting the protective film material 61 to the carrier board 3 and protecting the pin. By cutting the protective film material 61 into the above shape and folding it, compared with the existing method of directly covering the pin with the whole surface of the film material, when the whole surface of the film material covers the pin, the film material inevitably forms wrinkles, resulting in the inability to form a continuous and flat plane at the edge of the film material. At this time, if the film material is heated to melt and connected to the carrier board 3, there may be a gap, resulting in incomplete packaging. By cutting out a notch and folding it, four flat edges are formed, and a complete hot melt connection can be achieved. On the other hand, when the whole surface of the film material covers the pin, since the pin is a thinner structure, it is easy to be bent under the tension of the film material when the film material is covered. Finally, the protective film material 61 is cut into two "two" shapes and folded to form two long sides and two short sides. After the protective film material 61 is folded, the long sides will obviously protrude from the short sides to form an easy-to-tear structure. When the protective film material 61 needs to be removed later, the protective film material 61 can be easily torn off by pulling the part of the long side protruding from the short side.

[0055] Reference Figure 7In order to achieve the above-mentioned effect of separating the protective film material 61 from the material belt 6 and cutting out the above-mentioned specific shape, in at least one embodiment, the film-sticking component 11 includes a separately arranged outer frame 111 and a hot melt knife holder 112, the outer frame 111 and the hot melt knife holder 112 are both rectangular, and the hot melt knife is located on the inner side of the hot melt knife holder 112. The outer frame 111 is fixed on the film-sticking table 1 to form a packaging station, and the hot melt knife is suitable for lifting and lowering in the vertical direction. The two sides of the hot melt knife holder 112 are respectively provided with two cutting blocks 113, and the cutting blocks 113 on both sides of the hot melt knife holder 112 correspond one to one, that is, the cutting blocks 113 are also distributed in two "two" shapes. That is, the shape of the hot melt knife holder 112 corresponds to the shape of the above-mentioned protective film material 61, and the hot melt knife holder 112 heats and melts out the protective film material 61 of the corresponding shape from the material belt 6 by heating, and makes the protective film material 61 separate from the material belt 6 and fall to the packaging station. On the other hand, the hot melt knife holder 112 also has four positioning blocks 114 on the inner side, and each positioning block 114 is arranged along the circumference of the hot melt knife holder 112. The distribution of the positioning blocks 114 corresponds to the four sides of the above-mentioned protective film material 61, which are also two long sides and two short sides. Two adjacent positioning blocks 114 are respectively located on both sides of the cutting block 113. The positioning block 114 is provided with a molding groove 115, and the molding groove 115 has a heating block 12. The positioning block 114 is suitable for lifting and lowering in the vertical direction. After the protective film material 61 falls to the packaging station, the positioning block 114 rises, and each positioning block 114 drives the protective film material 61 to first fit the pin and fold inward once, and then the protective film material 61 is fitted to the bottom of the carrier 3, and then folded outward once to form four sides, and then the heating block 12 presses the four sides and heats the sides, so as to hot-melt the sides to the bottom of the carrier 3.

[0056] Reference Figure 4 In some embodiments, a lifting assembly 16 is provided at the bottom of the film sticking platform 1, and a movable end of the lifting assembly 16 is connected to the bottom of the film sticking platform 1. The lifting assembly 16 includes at least two linear motion pairs, which are respectively connected to the hot melt knife holder 112 and the positioning block 114 to drive the hot melt knife holder 112 and the positioning block 114 to independently lift and lower.

[0057] Reference Figure 2 In some embodiments, the conveying mechanism 2 includes a support frame 21, on which a plurality of conveying wheels 22 are arranged, and a conveying motor 23 is also arranged on the support frame 21, and the conveying motor 23 is connected to any of the conveying wheels 22 in a transmission manner. A conveying belt 24 is arranged on the support frame 21, and the conveying belt 24 is sleeved on each of the conveying wheels 22. A rotating wheel is arranged at the movable end of the conveying motor 23, and the conveying belt 24 is sleeved on the rotating wheel. When the conveying motor 23 is started, the rotating wheel can be driven to rotate, thereby driving the conveying belt 24 to operate to convey the carrier 3.

[0058] Reference Figure 2 In some embodiments, the conveying mechanism 4 includes a conveying seat 41 and a conveyor belt 42 mounted on the conveying seat 41. After the material box at the unloading end of the conveyor belt 24 is full, the material box is removed, and then the empty material box is placed on the loading end of the conveyor belt 42. The conveyor belt 42 transports the empty material box to the unloading end of the conveyor belt 24, so as to continue to load the carrier 3 into the empty material box.

[0059] Reference Figure 3 In some embodiments, the transfer mechanism 5 is arranged on one side of the conveying mechanism 2, and the conveying direction of the transfer mechanism 5 is perpendicular to the conveying direction of the conveyor belt 24. The unloading end of the conveying mechanism 4 corresponds to the loading end of the transfer mechanism 5, and the conveying direction of the conveying mechanism 4 is parallel to the conveying direction of the transfer mechanism 5. In order to adjust the position of the material box so that the carrier plate 3 can be moved horizontally to the corresponding loading station inside the material box. The transfer mechanism 5 includes a transfer bracket 51, a transfer seat 52, a transfer belt 53 and a transfer motor 54, and the transfer motor 54 is installed on the top of the transfer bracket 51, and the transfer seat 52 is slidably arranged on the transfer bracket 51. The movable end of the transfer motor 54 is transmission-connected to the transfer seat 52. The transfer belt 53 is installed on the transfer seat 52. As an optional transfer motor 54, the transfer seat 52 is connected with a screw slider structure, so that the transfer motor 54 can drive the transfer seat 52 to rise and fall when it is started, so that after the carrier plate 3 is moved into the material box, the transfer seat 52 can drive the material box to rise and fall one station, so that the next empty loading station corresponds to the conveyor belt 24. On the other hand, the transfer belt 53 can drive the material box to move horizontally, so that the material box is facing the conveyor belt 24, so that the carrier plate 3 can enter the material box accurately.

[0060] In addition, the embodiment of the present disclosure further provides a circuit board bonding loading method, comprising the loading device as described above, when the conveying mechanism 2 drives the carrier plate 3 to move to face the packaging station, the film material is located between the film pasting component 11 and the carrier plate 3, and the film pasting component 11 rises to separate the protective film material 61 from the material belt 6 and fall into the packaging station;

[0061] The film sticking assembly 11 continues to rise so that the protective film material 61 covers the pins. Then, the film sticking assembly 11 heats the edge of the protective film material 61 so that the protective film material 61 is connected to the carrier board 3 .

[0062] It is worth mentioning that the technical features such as other components involved in the patent application of this invention should be regarded as prior art. The specific structure, working principle and possible control method and spatial layout method of these technical features can be selected by conventional methods in the field, and should not be regarded as the inventive point of this patent. This patent will not be further elaborated.

[0063] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A circuit board bonding and feeding device, characterized in that: include: A film pasting table (1), wherein a conveying mechanism (2) is arranged above the film pasting table (1), and the conveying mechanism (2) is suitable for conveying a carrier plate (3); A material belt (6) is provided between the conveying mechanism (2) and the film pasting platform (1), and a plurality of protective film materials (61) are provided on the material belt (6); and The film pasting table (1) is provided with a plurality of film pasting components (11), and the film pasting components (11) are provided with a packaging station; wherein When the conveying mechanism (2) drives the carrier plate (3) to move to face the packaging station, the protective film material (61) is located between the film sticking component (11) and the carrier plate (3), and the film sticking component (11) rises to allow the protective film material (61) to detach from the material belt (6) and fall into the packaging station; The film sticking component (11) continues to rise so that the protective film material (61) covers the pins, and then the film sticking component (11) heats the edge of the protective film material (61) so that the protective film material (61) is connected to the carrier board (3); The film sticking assembly (11) comprises an outer frame (111) and a hot melt knife holder (112) which are separately arranged; the outer frame (111) and the hot melt knife holder (112) are both rectangular, and the hot melt knife is located on the inner side of the hot melt knife holder (112); The outer frame (111) is fixed on the film laminating table (1), and the hot melt knife is suitable for lifting and lowering in a vertical direction; Furthermore, the two sides of the hot melt knife holder (112) are respectively provided with two cutting blocks (113), and the cutting blocks (113) on the two sides of the hot melt knife holder (112) correspond to each other one by one.

2. The feeding device according to claim 1, characterized in that: The hot melt knife holder (112) also has four positioning blocks (114) on the inner side, and each positioning block (114) is arranged along the circumference of the hot melt knife holder (112); Two adjacent positioning blocks (114) are respectively located on two sides of the cutting block (113); The positioning block (114) is provided with a forming groove (115), a heating block (12) is provided in the forming groove (115), and the positioning block (114) is suitable for being lifted and lowered in a vertical direction.

3. The feeding device according to claim 1, characterized in that: The two sides of the bottom of the film pasting platform (1) are respectively provided with a winding roller (13) and an unwinding roller (14), and the film pasting platform (1) is provided with two film passing grooves (17); One end of the winding roller (13) is connected to a winding motor (18).

4. The feeding device according to claim 1, characterized in that: A lifting component (16) is provided at the bottom of the film sticking table (1), and a movable end of the lifting component (16) is connected to the bottom end of the film sticking table (1).

5. The feeding device according to claim 1, characterized in that: The conveying mechanism (2) comprises a support frame (21), a plurality of conveying wheels (22) are arranged on the support frame (21), and a conveying motor (23) is also arranged on the support frame (21), and the conveying motor (23) is drivingly connected to any of the conveying wheels (22).

6. The feeding device according to claim 5, characterized in that: A conveyor belt (24) is provided on the support frame (21), and the conveyor belt (24) is sleeved on each of the conveying wheels (22); The movable end of the conveying motor (23) is provided with a rotating wheel, and the conveying belt (24) is sleeved on the rotating wheel.

7. The feeding device according to claim 6, characterized in that: The loading device further comprises a conveying mechanism (4) and a transfer mechanism (5), wherein the transfer mechanism (5) is arranged on one side of the conveying mechanism (2), and the conveying direction of the transfer mechanism (5) is perpendicular to the conveying direction of the conveyor belt (24); The unloading end of the conveying mechanism (4) corresponds to the loading end of the transfer mechanism (5), and the conveying direction of the conveying mechanism (4) is parallel to the conveying direction of the transfer mechanism (5).

8. The feeding device according to claim 7, characterized in that: The conveying mechanism (4) comprises a conveying seat (41) and a conveying belt (42) mounted on the conveying seat (41).

9. The feeding device according to claim 7, characterized in that: The transfer mechanism (5) comprises a transfer support (51), a transfer seat (52), a transfer belt (53) and a transfer motor (54); the transfer motor (54) is mounted on the top of the transfer support (51); the transfer seat (52) is slidably disposed on the transfer support (51); The movable end of the transfer motor (54) is in driving connection with the transfer seat (52); The transfer belt (53) is installed on the transfer seat (52).

10. A method for bonding and loading circuit boards, comprising the loading device according to any one of claims 1 to 9, characterized in that: When the conveying mechanism (2) drives the carrier plate (3) to move to face the packaging station, the protective film material (61) is located between the film sticking component (11) and the carrier plate (3), and the film sticking component (11) rises to allow the protective film material (61) to detach from the material belt (6) and fall into the packaging station; The film sticking component (11) continues to rise so that the protective film material (61) covers the pins, and then the film sticking component (11) heats the edge of the protective film material (61) so that the protective film material (61) is connected to the carrier board (3).

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