CN218830832U

CN218830832U - PCB processing equipment

Info

Publication number: CN218830832U
Application number: CN202222465066.0U
Authority: CN
Inventors: 曾信钿
Original assignee: Fujian Weilong Electronics Technology Co ltd
Current assignee: Fujian Weilong Electronics Technology Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-04-07
Anticipated expiration: 2032-09-19

Abstract

The utility model relates to a circuit board processing technology field specifically is a PCB printed circuit board processing equipment, including frame, heating device and vacuum pump, internal chamber of cabinet is equipped with at least two sets of pressing components, and pressing components all includes fixed plate and holding down plate, starts drive assembly back, and the bull stick drives the rolling wheel and rotates, makes the holding down plate pressure to the multiply wood. A PCB printed circuit board processing method is characterized in that stacked multilayer boards are sent into the processing device for pressing. After a plurality of multilayer boards are stacked, they are fed into a laminator. The multi-layer plates are placed in the pressing assembly one by one, and the driving assembly enables the lower pressing plate to move downwards so that the lower pressing plate is pressed on the surfaces of the multi-layer plates. Through set up a plurality of pressfitting subassemblies in the box, can carry out the pressfitting to a plurality of pressfitting boards to the production machining efficiency of multiply wood has been improved.

Description

PCB processing equipment

Technical Field

The utility model relates to a circuit board processing technology field specifically is a PCB printed circuit board processing equipment.

Background

The printed circuit board is called PCB for short. With the development of the electronic industry, printed circuit boards are rapidly developed, and the PCB can be a single-layer board or a multi-layer board according to the layer number. The multi-layer board is formed by placing a resin sheet between a plurality of single-layer boards. Subsequently, it is fed into a press for press-fitting. Under the action of certain temperature and pressure, the resin sheet begins to melt and flow to fill the gaps of the multilayer boards, and finally, the temperature is reduced, and the resin is cured to form the PCB board with the multilayer boards bonded together.

For example, a multi-layer PCB board laminating apparatus disclosed in chinese patent application No. cn202010870510.x includes: a frame; a pressing mechanism; the upper die assembly comprises a connecting block, a fixing plate, two pressing plates and an upper die, the connecting block is installed on the lower surface of the upper guide plate, the fixing plate is installed on the lower surface of the connecting block, the two pressing plates are symmetrically installed on two sides of the fixing plate, and the upper die is installed on the lower surface of the fixing plate; the two locking mechanisms are respectively arranged on two sides of the table board and correspond to the corresponding pressing plates, after the multilayer PCB is placed into the lower die, the first air cylinder is started to drive the upper die and the lower die to be pressed together, and in order to ensure that the upper die and the lower die are pressed together reliably, the locking mechanisms are started to tightly press the pressing plates on the table board.

However, the above-mentioned patent still has problems, for example, in the patent, the pressing machine can only press one set of pressing plates at a time, which greatly affects the production and processing efficiency of the multi-layer plate.

Based on this, the utility model designs a PCB printed circuit board processing equipment to solve above-mentioned technical problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PCB printed circuit board processing equipment for solve above-mentioned technical problem.

In order to achieve the above purpose, the utility model provides a following technical scheme: a PCB printed circuit board processing device comprises a frame, a heating device and a vacuum pump, wherein the frame is composed of a base and a cabinet body arranged at the top of the base, the vacuum pump is connected with the cabinet body, at least two groups of pressing components are arranged in the inner cavity of the cabinet body, each pressing component comprises a fixed plate and a lower pressing plate, the fixed plates are fixed in the inner cavity of the cabinet body, a sliding rod is arranged at the top of each fixed plate, the lower pressing plates are arranged above the corresponding fixed plates and are in sliding connection with the sliding rods,

the utility model discloses a cabinet body, including the cabinet body, the cabinet body is provided with the cabinet body, the pressfitting subassembly is including being used for driving the holding down plate along the gliding push-down subassembly of slide bar, the push-down subassembly is including rotating the bull stick of being connected with the cabinet body, the one end fixedly connected with of bull stick rotates the wheel, it is connected with the connecting rod to rotate the wheel, the axle center of connecting rod does not coincide with the axle center of rotating the wheel, the holding down plate top is provided with the ear seat, the spout has been seted up to the ear seat, connecting rod sliding connection is in the spout, the one end of keeping away from of bull stick and rotating the wheel is connected with the rotatory drive assembly of drive bull stick.

Preferably, the drive assembly is including fixing the mount pad at the base lateral wall, the mount pad top is connected with the motor, the output of motor is connected with first band pulley, the one end that the bull stick kept away from the running wheel is provided with the second band pulley, first band pulley and second band pulley are connected through a hold-in range, connect through another group hold-in range between the second band pulley.

Preferably, the cabinet body comprises a cabinet body and a cabinet door hinged with the cabinet body, and the cabinet door is connected with a rubber strip for sealing a gap between the cabinet door and the cabinet body.

Preferably, the fixed plate comprises a fixed part and a sliding part, the fixed part is fixed in the inner cavity of the cabinet body, a mounting groove is formed in the top of the fixed part, the sliding part is connected in the mounting groove in a sliding mode, and a handle is arranged on the sliding part.

Preferably, the heating device comprises a plurality of groups of heating wires, and each group of heating wires is arranged below the corresponding fixing part.

A PCB printed circuit board processing method comprises the following steps:

s1, pretreatment;

s2, after drilling, carrying out copper deposition treatment on the copper-clad plate;

s3, local exposure is carried out after film coating;

s4, after the locally exposed film is washed away, exposing a local copper foil;

s5, electroplating tin on the exposed copper foil;

s6, after electroplating, sequentially carrying out film stripping, etching and tin stripping treatment on the copper-clad plate;

s7, checking;

s8, stacking the copper-clad plates obtained in the step S7 together to form a multilayer plate, placing a PP film between the adjacent copper-clad plates, and meanwhile placing the PP film and the copper-clad plates on the surface of the stacked multilayer plate;

s9, conveying the multilayer board in the step S8 into the processing device for pressing;

s10, after the multi-layer board is pressed, sequentially performing the processing of the steps S2 to S7;

and S11, post-processing.

Preferably, in the step S1, the pretreatment includes plate cutting, edge grinding, positioning hole drilling, screw hole drilling, preformed hole drilling, and plate hole drilling.

Preferably, in step S11, the post-processing includes silk-screen printing, cutting and forming, cleaning, inspecting, and packaging.

Preferably, in step S7, the detection includes AOI device detection and impedance detection.

Compared with the prior art, the beneficial effects of the utility model are that: after a plurality of multilayer boards are stacked, they are fed into a laminator. The multi-layer plates are placed in the pressing assembly one by one, and the driving assembly enables the lower pressing plate to move downwards so that the lower pressing plate is pressed on the surfaces of the multi-layer plates. Through set up a plurality of pressfitting subassemblies in the box, can carry out the pressfitting to a plurality of pressfitting boards to the production machining efficiency of multiply wood has been improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a schematic view of the apparatus shown in FIG. 1 with the vacuum pump omitted;

FIG. 4 is an isometric view of the structure shown in FIG. 3;

fig. 5 is a schematic view of the local structure of the pressing assembly of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a frame; 2. a heating device; 3. a vacuum pump; 4. a base; 5. a cabinet body; 6. pressing the components; 7. a fixing plate; 8. a lower pressing plate; 9. a slide bar; 10. pressing the assembly; 11. a rotating rod; 12. a rotating wheel; 13. a connecting rod; 14. an ear mount; 15. a chute; 16. a drive assembly; 17. a mounting seat; 18. a motor; 19. a first pulley; 20. a second pulley; 21. a box body; 22. a cabinet door; 23. a rubber strip; 24. a fixed part; 25. a sliding part; 26. mounting grooves; 27. a heating wire.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example (b):

referring to fig. 1-5, the present invention provides a technical solution: a PCB printed circuit board processing device comprises a frame 1, a heating device 2 and a vacuum pump 3, wherein the frame 1 consists of a base 4 and a cabinet body 5 arranged at the top of the base 4, the vacuum pump 3 is connected with the cabinet body 5, the inner cavity of the cabinet body 5 is provided with at least two groups of pressing components 6, each pressing component 6 comprises a fixed plate 7 and a lower pressing plate 8, the fixed plate 7 is fixed in the inner cavity of the cabinet body 5, the top of the fixed plate 7 is provided with a slide bar 9, the lower pressing plate 8 is arranged above the corresponding fixed plate 7, and the lower pressing plate 8 is connected with the slide bar 9 in a sliding way,

pressing-fit assembly 6 is still including being used for driving 8 gliding push-down assembly 10 of holding down plate along slide bar 9, push-down assembly 10 is including rotating bull stick 11 of being connected with the cabinet body 5, the one end fixedly connected with of bull stick 11 rotates wheel 12, it is connected with connecting rod 13 to rotate wheel 12, the axle center of connecting rod 13 does not coincide with the axle center of

rotating wheel

12, 8 tops of holding down plate are provided with ear seat 14, ear seat 14 has seted up spout 15, connecting rod 13 sliding connection is in spout 15, the one end of keeping away from of bull stick 11 and rotating wheel 12 is connected with the rotatory drive assembly 16 of drive bull stick 11.

Specifically, drive assembly 16 is including fixing the mount pad 17 at base 4 lateral wall, and the mount pad 17 top is connected with motor 18, and the output of motor 18 is connected with first band pulley 19, and the one end that runner 11 kept away from and rotate wheel 12 is provided with second band pulley 20, and first band pulley 19 and second band pulley 20 are connected through a hold-in range, connect through another group hold-in range between the second band pulley 20. After the motor is started, the first belt wheel is driven to rotate, and the first belt wheel rotates through the second belt wheel of the synchronous belt. Since the second pulleys are connected by another timing belt, when one of the second pulleys rotates, the remaining second pulleys also rotate in synchronization. The rotation of the second belt wheel drives the rotating rod to rotate, and then the rotating wheel is driven to rotate. The rotating wheel can drive the lower pressing plate to slide along the axis direction of the sliding rod through the connecting rod in the rotating process. When the lower pressing plate moves downwards, the lower pressing plate presses the stacked multilayer plates. After the pressing is finished, the motor rotates reversely, and when the lower pressing plate moves upwards, the pressing of the multilayer plate is loosened.

Specifically, the cabinet body 5 includes a cabinet body 21 and a cabinet door 22 hinged to the cabinet body 21, and the cabinet door 22 is connected with a rubber strip 23 for sealing a gap between the cabinet door 22 and the cabinet body 21. The rubber strip is used for sealing the box body and the cabinet door.

Specifically, the fixing plate 7 is composed of a fixing portion 24 and a sliding portion 25, the fixing portion 24 is fixed in the inner cavity of the cabinet 5, a mounting groove 26 is formed at the top of the fixing portion 24, the sliding portion 25 is slidably connected in the mounting groove 26, and the sliding portion 25 is provided with a handle. When the multilayer board is taken and placed, the sliding part is pulled out, so that an operator can place the multilayer board on the sliding part. Moreover, the setting of above-mentioned scheme can avoid getting and put the multiply wood in-process, and the motor mistake starts, leads to the problem that the push plate crushed the staff.

Specifically, the heating device 2 includes a plurality of sets of heating wires 27, and each set of heating wires 27 is disposed below the corresponding fixing portion 24. In the process of pressing the multilayer board, the heating wire heats the box body to 200 ℃ and maintains the temperature in the box body.

A PCB printed circuit board processing method comprises the following steps:

s1, pretreatment;

s3, local exposure is carried out after film coating;

s5, electroplating tin on the exposed copper foil;

s7, checking;

s9, conveying the multilayer board obtained in the step S8 into the processing device for pressing;

s11, post-processing

Specifically, in the step S1, the pretreatment includes plate cutting, edge grinding, positioning hole drilling, screw hole drilling, preformed hole drilling, and plate hole drilling.

Specifically, in step S11, the post-processing includes silk-screen printing, cutting and forming, cleaning, inspecting, and packaging.

Specifically, in step S7, the detection includes AOI device detection and impedance detection.

One specific application of this embodiment is: after the copper-clad plates are stacked on the surfaces of the multilayer plates, the copper-clad plates are placed in a box body by workers. When the plate is placed, the sliding part is pulled out through the handle, and the stacked plates are placed on the surface of the sliding part. Subsequently, the slide is pushed back. According to the mode, after the multilayer boards are placed in each pressing component, the cabinet door is closed, and the vacuum pump is started, so that a vacuum environment is formed in the box body. Meanwhile, the heating wire starts to heat, so that the temperature in the box body reaches 200 ℃, and in the whole pressing process, the temperature in the box body is maintained at 200 ℃.

And starting the motor. After the motor is started, the first belt wheel is driven to rotate, and the first belt wheel rotates through the second belt wheel of the synchronous belt. Since the second pulleys are connected by another timing belt, when one of the second pulleys rotates, the remaining second pulleys also rotate in synchronization. The rotation of the second belt wheel drives the rotating rod to rotate, and then the rotating wheel is driven to rotate. The rotating wheel can drive the lower pressing plate to slide along the axis direction of the sliding rod through the connecting rod in the rotating process. When the lower pressing plate moves downwards, the lower pressing plate presses the stacked multilayer plates. After the pressing is finished, the motor rotates reversely, and when the lower pressing plate moves upwards, the pressing of the multilayer plate is loosened.

After a plurality of multilayer boards are stacked, they are fed into a laminator. The multi-layer plates are placed in the pressing assembly one by one, and the driving assembly enables the lower pressing plate to move downwards so that the lower pressing plate is pressed on the surfaces of the multi-layer plates. Through set up a plurality of pressfitting subassemblies in the box, can carry out the pressfitting to a plurality of pressfitting boards to the production machining efficiency of multiply wood has been improved.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a PCB printed circuit board processing equipment, including frame (1), heating device (2) and vacuum pump (3), frame (1) comprises base (4) and the cabinet body (5) that set up at base (4) top, vacuum pump (3) are connected its characterized in that with the cabinet body (5): at least two groups of pressing components (6) are arranged in the inner cavity of the cabinet body (5), each pressing component (6) comprises a fixed plate (7) and a lower pressing plate (8), the fixed plates (7) are fixed in the inner cavity of the cabinet body (5), a sliding rod (9) is arranged at the top of each fixed plate (7), the lower pressing plates (8) are arranged above the corresponding fixed plates (7), and the lower pressing plates (8) are connected with the sliding rods (9) in a sliding manner,

pressing component (6) are still including being used for driving holding down plate (8) along the gliding subassembly (10) that pushes down of slide bar (9), push down subassembly (10) including rotating rod (11) of being connected with cabinet body (5) rotation, the one end fixedly connected with of rotating rod (11) rotates wheel (12), it is connected with connecting rod (13) to rotate wheel (12), the axle center of connecting rod (13) does not coincide with the axle center of rotating wheel (12), holding down plate (8) top is provided with ear seat (14), spout (15) have been seted up in ear seat (14), connecting rod (13) sliding connection is in spout (15), the one end of keeping away from rotating wheel (12) of rotating rod (11) is connected with the rotatory drive assembly (16) of drive rotating rod (11).

2. A PCB processing apparatus according to claim 1, wherein: drive assembly (16) is including fixing mount pad (17) at base (4) lateral wall, mount pad (17) top is connected with motor (18), the output of motor (18) is connected with first band pulley (19), the one end of rotating wheel (12) is kept away from in bull stick (11) is provided with second band pulley (20), first band pulley (19) and second band pulley (20) are connected through a hold-in range, connect through another group hold-in range between second band pulley (20).

3. A PCB processing apparatus according to claim 1, wherein: the cabinet body (5) comprises a cabinet body (21) and a cabinet door (22) hinged to the cabinet body (21), wherein the cabinet door (22) is connected with a rubber strip (23) used for sealing a gap between the cabinet door (22) and the cabinet body (21).

4. A PCB processing apparatus according to claim 1, wherein: fixed plate (7) comprise fixed part (24) and sliding part (25), the inner chamber at the cabinet body (5) is fixed in fixed part (24), the top of fixed part (24) is provided with mounting groove (26), sliding part (25) sliding connection is in mounting groove (26), sliding part (25) are provided with the handle.

5. A PCB processing equipment according to claim 4, wherein: heating device (2) are including multiunit heater strip (27), and each group heater strip (27) all set up in corresponding fixed part (24) below.