Circuit board copper deposition sub-basket for gantry PTH line

Abstract

The invention provides a circuit board electroless plating copper sub-basket for a gantry PTH line. The circuit board electroless plating copper sub-basket comprises a bottom frame, parting strips and end part barrier strips, lifting frames are upwards arranged at two ends of the length direction of the bottom frame. Each division bar comprises a lower transverse rod, middle rods are arranged at the two ends of each division bar, upper transverse rods are arranged at the tail ends of the middle rods, the joints of the middle rods and the lower transverse rods and the joints of the middle rods and the upper transverse rods are of corner structures, the middle rods, the lower transverse rods and the upper transverse rods are located on the same plane, the tail ends of the two upper transverse rods are connected to the upper ends of the lifting frames on the two sides respectively, and the lower transverse rods are located between the upper transverse rods and the bottom frame. A preset interval is formed between the lower transverse rod and the top face of the bottom frame, the multiple division bars are arranged in the width direction of the bottom frame in an array mode, and the distance between every two adjacent division bars is smaller than or equal to 5 mm. The number of the end blocking strips is at least two, the end blocking strips are arranged above the two ends of the bottom frame and located below the upper transverse rod, and the length direction of the end blocking strips is consistent with the array direction of the partition strips. According to the scheme, circuit board deformation and circuit board overlapping can be effectively prevented.

Description

Technical Field

[0001] The invention belongs to the technical field of circuit board production equipment, and in particular relates to a circuit board copper sinking sub-basket for a gantry PTH line. Background Art

[0002] With the rapid development of high-density integrated circuit technology and microelectronics technology, electronic products are required to become lighter and thinner, so circuit boards with a thickness of less than 0.3mm are widely used. When the traditional gantry PTH line performs copper deposition processing on such thin circuit boards, the circuit boards are thin after being inserted into the rack, and the circuit boards are fixed only by the teeth at both ends of the copper deposition blue. When the copper deposition swings, the resistance of the thin circuit boards to the potions in each tank is greater than the Young's modulus (tensile modulus) of the thin circuit boards themselves, and the circuit boards are prone to deformation and bending, and even overlapping of adjacent circuit boards occurs, affecting the copper deposition effect. Summary of the invention

[0003] In order to solve the deficiencies of the prior art, the present invention provides a circuit board copper sinking sub-basket for a gantry PTH line, which can effectively prevent the circuit board from deforming and avoid the circuit board from overlapping.

[0004] In order to achieve the purpose of the present invention, the following scheme is proposed: A circuit board copper sinking sub-basket for a gantry PTH line comprises a bottom frame, spacer bars and end stop bars.

[0005] Lifting frames are upwardly arranged at both ends of the bottom frame in the length direction.

[0006] The partition bar includes a lower cross bar, middle bars are provided at both ends of the middle bar, upper cross bars are provided at the ends of the middle bar, the connection between the middle bar and the lower cross bar and the upper cross bar are all corner structures, and the middle bar, the lower cross bar and the upper cross bar are in the same plane, the ends of the two upper cross bars are respectively connected to the upper ends of the carrying frames on both sides, the lower cross bar is located between the upper cross bar and the bottom frame, and the lower cross bar and the top surface of the bottom frame have a predetermined interval, and a plurality of partition bars are arranged in an array along the width direction of the bottom frame, and the distance between adjacent partition bars is less than or equal to 5 mm.

[0007] There are at least two end baffles, which are arranged above the two ends of the bottom frame and below the upper cross bar. The length direction of the end baffles is consistent with the array direction of the partition bars.

[0008] The beneficial effect of the present invention is that the present invention uses spacers to separate adjacent circuit boards, and the spacers form multiple spacer support structures in the middle of the circuit boards through the lower cross bars and the middle bars, so as to effectively prevent the circuit boards from deforming and avoid overlapping of the circuit boards. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present invention.

[0010] Figure 1 An overall schematic diagram of a preferred structure of the present application is shown.

[0011] Figure 2 A side schematic diagram of a preferred structure of the present application is shown.

[0012] Figure 3 The end diagram of a preferred structure of the present application is shown.

[0013] Figure 4 Various structural schematic diagrams of the spacer are shown.

[0014] Markings in the figure: bottom frame -11, lifting frame -12, hook -13, spacer bar -2, lower cross bar -21, middle bar -22, upper cross bar -23, reinforcing bar -24, end stop bar -3, connecting rod -31, ring -32, locking screw -33, pressure plate -4. DETAILED DESCRIPTION

[0015] To make the objectives, technical solutions and advantages of the embodiments of the present invention more clear, the implementation modes of the present invention are described in detail below with reference to the accompanying drawings. However, the embodiments described in the present invention are only part of the embodiments of the present invention, rather than all the embodiments.

[0016] 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.

[0017] It should be noted that in the description of the present invention, the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the invented product is usually placed when in use, and are only for the convenience of describing the present invention and simplifying the description. The terms "first", "second" and the like are only used to distinguish the description and cannot be understood as indicating or implying relative importance. The terms "parallel", "perpendicular" and the like do not mean that the components are required to be absolutely parallel or perpendicular, but can be slightly tilted.

[0018] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, an indirect connection through an intermediate medium, or the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] like Figures 1 to 3 As shown, a circuit board copper sinking sub-basket for a gantry PTH line includes: a bottom frame 11, a spacer bar 2 and an end stop bar 3.

[0020] Both ends of the bottom frame 11 in the length direction are upwardly provided with lifting frames 12 .

[0021] The spacer 2 includes a lower cross bar 21, with middle bars 22 at both ends, and upper cross bars 23 at the ends of the middle bars 22. The connection between the middle bar 22 and the lower cross bar 21 and the upper cross bar 23 is a corner structure, and the middle bar 22, the lower cross bar 21 and the upper cross bar 23 are in the same plane, and the ends of the two upper cross bars 23 are respectively connected to the upper ends of the racks 12 on both sides, the lower cross bar 21 is located between the upper cross bar 23 and the bottom frame 11, and the lower cross bar 21 and the top surface of the bottom frame 11 have a predetermined interval, and a plurality of spacers 2 are arranged in an array along the width direction of the bottom frame 11, and the distance between adjacent spacers 2 is less than or equal to 5mm, and the distance between adjacent spacers 2 is preferably 2.5mm, 3mm, 3.5mm or 4mm, so as to achieve the purpose of inserting the circuit board.

[0022] There are at least two end stop bars 3 , which are disposed above both ends of the bottom frame 11 and below the upper cross bar 23 . The length direction of the end stop bars 3 is consistent with the array direction of the partition bars 2 .

[0023] When the circuit board is placed for copper plating processing using the above scheme, the circuit board is inserted between adjacent spacers 2, and the adjacent circuit boards are separated by the spacers 2. The spacers 2 form multiple spacing support structures in the middle of the circuit board through the lower cross bar 21 and the middle bar 22 to effectively prevent the circuit board from deforming and overlapping, and fundamentally avoid the risk of the circuit board falling off from the intervals between adjacent spacers 2; when the width of the circuit board is large, the upper cross bar 23 can be used to provide spacing support for the upper end of the circuit board, so that the present scheme can be adapted to the use of copper plating for circuit boards of different sizes; the bottom edge of the circuit board is supported on the bottom frame 11, and the end stop bars 3 are used to limit the two ends of the circuit board to prevent the circuit board from sliding off from the two ends of the bottom frame 11.

[0024] Preferably, the plane where the middle bar 22, the lower cross bar 21 and the upper cross bar 23 are located is perpendicular to the bottom frame 11, so as to facilitate loading and unloading of the circuit board along the vertical direction. As another preferred structure, the plane where the middle bar 22, the lower cross bar 21 and the upper cross bar 23 are located can also be tilted relative to the bottom frame 11.

[0025] Preferably, Figure 1 , Figure 2 As shown, there is a gap between the front ends of the two upper cross bars 23, so that the middle section of the partition bar 2 forms a downwardly concave structure, thereby facilitating contact with the circuit board from the middle of the partition bar 2, so as to facilitate loading and unloading of the circuit board.

[0026] As a preferred structure, Figure 1 , Figure 2 As shown, the lower cross bar 21 and the upper cross bar 23 are parallel to the bottom frame 11, and the middle bar 22 is perpendicular to the bottom frame 11, so as to form a more regular structure.

[0027] As an optional solution, the upper cross bar 23 and the middle bar 22 can be set as an inclined structure with the bottom frame 11. Figure 4 As shown in .

[0028] Preferably, Figure 1 As shown, a hook 13 is provided on the same side of the two lifting racks 12 for connecting the copper sinking mother basket.

[0029] Preferably, Figure 1 , Figure 2 As shown, a reinforcing rod 24 is provided between the lower cross bar 21 and / or the upper cross bar 23 and the bottom frame 11 to improve the structural strength of the partition bar 2, prevent the partition bar 2 from deforming and the interval between adjacent partition bars 2 from changing, and the reinforcing rod 24 is in the same plane as the lower cross bar 21, the middle rod 22 and the upper cross bar 23.

[0030] Preferably, Figure 1 , Figure 2 As shown, both ends of the end stopper 3 are provided with connecting rods 31, and the upper ends of the connecting rods 31 are provided with rings 32, which are respectively slidably arranged on one of the upper cross bars 23, and the rings 32 are provided with locking screws 33 for locking the position of the rings 32 on the upper cross bars 23. With the above structural design, after placing the circuit board, the end stopper 3 at both ends can be moved toward the middle of the bottom frame 11, so that the end stopper 3 abuts against the edges of both ends of the circuit board to prevent the circuit board from moving in the length direction, thereby avoiding scratching the copper deposited surface during the transfer process after copper depositing, and the end stopper 3 is set as a movable structure, which can effectively adapt to circuit boards of different lengths.

[0031] Further preferably, Figure 1 , Figure 2 and Figure 3 As shown, the connecting rods 31 are perpendicular to the bottom frame 11, and a pressure plate 4 is provided above the end stop bars 3. Both ends of the pressure plate 4 are slidably arranged on the connecting rods 31 corresponding to the end stop bars 3. The pressure plate 4 protrudes from the end stop bars 3 by a predetermined distance on one side toward the middle of the bottom frame 11, and is used to press the top edge of the circuit board to prevent the copper sinking sub-basket from descending too fast during the copper sinking process, causing the circuit board to move upward relative to the copper sinking sub-basket, or even the circuit board to move out from above the copper sinking sub-basket; preferably, the pressure plate 4 can use its own weight to press the circuit board, or it can be locked on the connecting rod 31 by screws to limit the position of the pressure plate 4.

[0032] Preferably, the spacer bar 2 is bent to form a lower cross bar 21, a middle bar 22 and an upper cross bar 23, and all corner structures on the spacer bar 2 are arc corners to facilitate the insertion of the circuit board and prevent the circuit board from being damaged.

[0033] The above description is only a preferred embodiment of the present invention, and is not intended to be the only one or to limit the present invention. Those skilled in the art should understand that various changes or equivalent substitutions made to the present invention without departing from the scope of the present invention are within the scope of protection of the present invention.

Claims

1. A circuit board copper sinking sub-basket for gantry PTH line, characterized in that: include: The bottom frame (11) has lifting frames (12) disposed upward at both ends in the length direction; The spacer (2) comprises a lower cross bar (21), both ends of which are provided with middle bars (22), and the ends of the middle bars (22) are provided with upper cross bars (23), the connection between the middle bar (22) and the lower cross bar (21) and the upper cross bar (23) are all corner structures, and the middle bar (22), the lower cross bar (21) and the upper cross bar (23) are in the same plane, the ends of the two upper cross bars (23) are respectively connected to the upper ends of the lifting frames (12) on both sides, the lower cross bar (21) is located between the upper cross bar (23) and the bottom frame (11), and the lower cross bar (21) and the top surface of the bottom frame (11) have a predetermined interval, and a plurality of spacers (2) are arranged in an array along the width direction of the bottom frame (11), and the distance between adjacent spacers (2) is less than or equal to 5 mm; The end stop bars (3), at least two in number, are arranged above the two ends of the bottom frame (11) and below the upper cross bar (23); the length direction of the end stop bars (3) is consistent with the array direction of the spacer bars (2).

2. A circuit board copper sinking sub-basket for gantry PTH line according to claim 1, characterized in that: The planes on which the middle rod (22), the lower cross rod (21) and the upper cross rod (23) are located are perpendicular to the bottom frame (11), thereby facilitating the installation and removal of the circuit board in the vertical direction.

3. A circuit board copper sinking sub-basket for gantry PTH line according to claim 1, characterized in that: There is a gap between the front ends of the two upper cross bars (23).

4. A circuit board copper sinking sub-basket for gantry PTH line according to claim 1, characterized in that: The lower cross bar (21) and the upper cross bar (23) are parallel to the bottom frame (11), and the middle bar (22) is perpendicular to the bottom frame (11).

5. The circuit board copper sinking sub-basket for gantry PTH line according to claim 1, characterized in that: A hook (13) is provided on the same side of the two lifting frames (12) for connecting the copper sinking mother basket.

6. A circuit board copper sinking sub-basket for gantry PTH line according to claim 1, characterized in that: A reinforcing rod (24) is provided between the lower crossbar (21) and / or the upper crossbar (23) and the bottom frame (11), and the reinforcing rod (24) is located in the same plane as the lower crossbar (21), the middle rod (22) and the upper crossbar (23).

7. A circuit board copper sinking sub-basket for gantry PTH line according to claim 1, characterized in that: Both ends of the end stop bar (3) are provided with connecting rods (31), and the upper ends of the connecting rods (31) are provided with rings (32). The rings (32) are slidably arranged on one of the upper cross bars (23), and the rings (32) are provided with locking screws (33) for locking the position of the rings (32) on the upper cross bar (23).

8. A circuit board copper sinking sub-basket for gantry PTH line according to claim 7, characterized in that: The connecting rods (31) are perpendicular to the bottom frame (11), and a pressing plate (4) is provided above the end stop bars (3). Both ends of the pressing plate (4) are slidably arranged on the connecting rods (31) corresponding to the end stop bars (3). One side of the pressing plate (4) facing the middle of the bottom frame (11) protrudes from the end stop bars (3) by a predetermined distance, and is used to press the top edge of the circuit board.

9. The circuit board copper sinking sub-basket for gantry PTH line according to claim 1, characterized in that: The spacer bar (2) is bent to form a lower cross bar (21), a middle bar (22) and an upper cross bar (23), and each corner structure on the spacer bar (2) is an arc corner.

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