CN219919296U - Workbench for circuit board processing and circuit board processing equipment with workbench - Google Patents

Abstract

The utility model relates to a workbench for processing a circuit board and circuit board processing equipment with the workbench, which comprises a workbench surface, wherein at least two areas are arranged on the workbench surface, at least one area is provided with a pin positioning device, at least one area is provided with a vacuum adsorption device, and the pin positioning device and the vacuum adsorption device are used for fixing the same circuit board on the workbench surface; the circuit board is fixedly positioned through the pin positioning device, and then is fixedly positioned again through the vacuum adsorption device, so that the two devices are matched for use, the number of pins is greatly reduced, meanwhile, the warping and uneven phenomena of the surface of the circuit board cannot occur in a vacuum adsorption mode, and the circuit board cannot transversely move due to the pin positioning device; therefore, the surface flatness of the workpiece is guaranteed to be better, the drilling quality and the drilling precision are effectively improved, the rejection rate of products is reduced, and the production cost is reduced.

Description

Workbench for circuit board processing and circuit board processing equipment with workbench

Technical Field

The utility model relates to the technical field of circuit board manufacturing, in particular to a workbench for circuit board processing and circuit board processing equipment with the workbench.

Background

The circuit board processing equipment is production equipment applied to a drilling process in circuit board production, and is required to be fixed on a working table of a drilling machine before the circuit board is drilled; however, the fixing mode belongs to point fixing, and is easy to cause uneven surface of the circuit board in fixing, so that the processing precision of the circuit board is affected, defective products are caused or the defective products are scrapped, the yield is reduced, and the cost is increased.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a workbench for processing a circuit board and circuit board processing equipment with the workbench, wherein the workbench can ensure the surface of the circuit board to be smooth and is easy to process.

The technical scheme adopted for solving the technical problems is as follows: the working table for processing the circuit board comprises a working table surface, wherein at least two areas are arranged on the working table surface, at least one area is provided with a pin positioning device, at least one area is provided with a vacuum adsorption device, and the pin positioning device and the vacuum adsorption device are used for fixing the same circuit board on the working table surface.

Further specifically, the pin positioning device comprises a first air clamp and a second air clamp, and the circuit board is positioned by the cooperation of the first air clamp and the second air clamp; or alternatively, the first and second heat exchangers may be,

the pin positioning device comprises bakelite plates arranged on the working table surface and pins arranged on the bakelite plates, and at least two pins are arranged.

Further specifically, the vacuum adsorption device comprises an adsorption plate arranged on the workbench surface, a plurality of vacuum adsorption holes arranged on the adsorption plate and a vacuum pump for providing adsorption force for the vacuum adsorption holes.

Further specifically, the vacuum adsorption device comprises an adsorption plate arranged on the workbench surface, a plurality of vacuum adsorption tanks arranged on the adsorption plate and a vacuum pump for providing adsorption force for the vacuum adsorption tanks.

Further specifically, a plurality of cushion blocks which are uniformly distributed are arranged between the adsorption plate and the working table surface, at least one air pipe joint is arranged between the adsorption plate and the working table surface, and the height of each cushion block is larger than that of each air pipe joint.

Further specifically, the number of the air pipe connectors is several, and the several air pipe connectors are respectively connected to the vacuum pump through pipelines; or a plurality of air pipe joints are connected in series through pipelines and then connected to a vacuum pump; or parts of the plurality of air pipe joints are respectively connected to the vacuum pump through pipelines, and the rest parts are connected to the vacuum pump after being connected in series through the pipelines.

Further specifically, at least one pin positioning device, at least two vacuum adsorption devices are arranged uniformly by taking the pin positioning device as a center.

Further specifically, the number of the pin positioning devices is one, the number of the vacuum adsorption devices is two, the pin positioning devices and the vacuum adsorption devices are linearly arranged on the workbench surface, and the vacuum adsorption devices are symmetrically arranged on two sides of the pin positioning devices.

Further specifically, the areas of the two vacuum adsorption devices are the same, and the width of the pin positioning device is smaller than that of the vacuum adsorption device.

The circuit board processing equipment comprises a main shaft and the workbench for processing the circuit board, wherein the circuit board is fixed on the workbench surface and moves linearly along the direction vertical to the main shaft, and a cutter for processing the circuit board is arranged on the main shaft.

The beneficial effects of the utility model are as follows: the circuit board is fixedly positioned through the pin positioning device, and then is fixedly positioned again through the vacuum adsorption device, so that the two devices are matched for use, the number of pins is greatly reduced, meanwhile, the warping and uneven phenomena of the surface of the circuit board cannot occur in a vacuum adsorption mode, and the circuit board cannot transversely move due to the pin positioning device; therefore, the surface flatness of the workpiece is guaranteed to be better, the drilling quality and the drilling precision are effectively improved, the rejection rate of products is reduced, and the production cost is reduced.

Drawings

FIG. 1 is a schematic top view of the present utility model;

FIG. 2 is a schematic left-hand view of the present utility model;

FIG. 3 is a schematic view of the structure of the vacuum adsorption port of the present utility model;

FIG. 4 is a schematic view of the structure of the vacuum adsorption tank of the present utility model;

FIG. 5 is a schematic diagram showing the configuration of the vacuum adsorption holes and vacuum adsorption tanks according to the present utility model.

In the figure: 1. a work table; 2. a pin positioning device; 21. a first air clamp; 22. a second air clamp; 3. a vacuum adsorption device; 31. an adsorption plate; 32. a vacuum adsorption tank; 33. vacuum adsorption holes; 321. a transverse slot; 322. a longitudinal slot; 4. a cushion block; 5. an air pipe joint.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

The utility model provides a circuit board processing device, which comprises a main shaft and a workbench positioned below the main shaft, wherein a circuit board is fixed on the workbench; the main shaft and the workbench move relatively, so that the circuit board can move linearly along the direction perpendicular to the axis of the main shaft, a cutter is arranged on the main shaft, the cutter is driven to rotate by the rotation of the main shaft, and the circuit board can be machined when the circuit board is contacted with the cutter; wherein the circuit board processing equipment includes, but is not limited to, drilling equipment, forming equipment, laser processing equipment, AOI detection equipment, and is not limited herein.

In the circuit board processing equipment, as shown in fig. 1, a circuit board needs to be clamped on a workbench surface 1 of a workbench, and the clamping mode can adopt three structures, wherein the first structure is that a bakelite plate is arranged on the workbench surface 1, and pins are arranged on the bakelite plate to fix the circuit board; the second structure is that two air clamps are arranged on the working table surface 1 and are matched with pins on the clamping circuit board to fix; both the two structures belong to point fixation, the surface of the circuit board is uneven, so that the processing precision of the circuit board is affected, when the first structure is used, the circuit board needs to be replaced, the pins on the bakelite plate need to be detached and installed manually, the operation is inconvenient, and when the second structure is used, the manual disassembly and the assembly are stopped, and the automatic positioning and fixing are realized through two air clamps; the third structure is that the vacuum adsorption plate is arranged on the working table surface 1 to adsorb and fix the circuit board, the structure adopts surface fixation, the circuit board can be subjected to the transverse force of the cutter and the brush in the processing process of the circuit board, and the risk of transverse displacement of the surface of the circuit board can exist despite vacuum adsorption, so that the processing position changes, the precision is reduced, and even unqualified products can appear.

Based on the defects of the point fixing and the surface fixing, as shown in fig. 1, the utility model provides a workbench for processing a circuit board, which comprises a workbench surface 1, wherein at least two areas are arranged on the workbench surface 1, at least one area is provided with a pin positioning device 2, at least one area is provided with a vacuum adsorption device 3, and the pin positioning device 2 and the vacuum adsorption device 3 are used for fixing the same circuit board on the workbench surface 1; the pin positioning device 2 has fixing and positioning functions, the vacuum adsorption device 3 has fixing functions, positioning is performed through the pin positioning device 2, and defects of point fixing and surface fixing can be overcome through fixing through the vacuum adsorption device 3; the pin positioning device 2 has a good positioning effect, and can solve the defect that the vacuum adsorption device 3 is easy to transversely move; the vacuum adsorption device 3 has a good fixing effect, can solve the problems of warping and unevenness after the pin positioning device 2 is used for positioning and fixing the circuit board, can simultaneously use the advantages of the pin positioning device and the circuit board, and can simultaneously solve the disadvantages of the pin positioning device and the circuit board, and compared with single use, the effect is better.

The pin positioning device 2 can be in various forms, and can be in the two structural forms, wherein the first structure is that pins are arranged on bakelite plates, the pin positioning device 2 comprises the bakelite plates arranged on the working table 1 and pins arranged on the bakelite plates, at least two pins can be selected according to the size of a circuit board, and the positioning and the fixing of the circuit board can be realized through the cooperation among a plurality of pins; the second structure is realized by adopting an air clamp structure form, the pin positioning device 2 comprises at least two air clamps, the air clamps mainly comprise an air cylinder and positioning rods driven by the air cylinder, a plurality of positioning rods are used for positioning and fixing a circuit board, in the scheme, two air clamps are adopted and are respectively a first air clamp 21 and a second air clamp 22, the positioning rods on the first air clamp 21 and the second air clamp 22 can do mutual approaching or separating actions, wherein the first air clamp 21 and the second air clamp 22 can adopt an air clamp device in a patent number CN202110799005.5, a patent name is an air clamp device in a pin positioning system, a drilling machine and a machining precision compensation mode, or adopt an air clamp device in a patent number CN202010055191.7, a patent name is an air clamp and air clamp adjusting method and a PCB plate fixing device.

Based on the above two structures of the pin positioning device 2, the first structure and the second structure may be mixed according to the requirement.

The specific structure of the vacuum suction device 3 shown in fig. 1-3 may also have various forms, as an embodiment of the present utility model, the vacuum suction device 3 includes a suction plate 31 provided on the table top 1, a plurality of vacuum suction holes 33 provided on the suction plate 31, and a vacuum pump for providing suction force to the vacuum suction holes 33, the vacuum suction holes 33 are connected with the vacuum pump through pipes, when the circuit board is placed on the suction plate 31, the vacuum pump pumps vacuum so that negative pressure is generated inside the vacuum suction holes 33, the circuit board is firmly fixed on the suction plate 31, a plurality of the vacuum suction holes 33 need to be arranged in an array, while the distance between the vacuum suction holes 33 is set as required, for the circuit board with an increased size and a thicker size, the distance between the vacuum suction holes 33 can be properly enlarged and properly thinned, and for the circuit board with a smaller size or thinner size, the distance between the vacuum suction holes 33 can be properly reduced and thickened so that the circuit board has a stronger suction force and is uniformly stressed.

As an embodiment of the present utility model, as shown in fig. 4 and 5, the vacuum adsorption hole 33 may be replaced by a vacuum adsorption groove 32 according to need, the vacuum adsorption groove 32 is disposed on the surface of the adsorption plate 31, the surface is in contact with the circuit board, and at the same time, a vent hole is disposed on the vacuum adsorption groove 32, the vent hole is communicated with a vacuum pump through a pipeline, and a negative pressure is generated in the vacuum adsorption groove 32 by the vacuum pump, so as to perform an adsorption function on the circuit board, and the vacuum adsorption groove 32 is adopted to make the adsorption force distribution more uniform so as not to damage the fragile circuit board; the vacuum adsorption tank 32 may be one or more of a combination of a transverse tank 321, a longitudinal tank 322 and an inclined tank, for example, only the transverse tank 321, only the longitudinal tank 322, only the inclined tank, or both the transverse tank 321 and the longitudinal tank 322, or both the transverse tank 321 and the inclined tank, or both the longitudinal tank 322 and the inclined tank, or three tanks, etc., and various shapes of the vacuum adsorption tank 32, such as curved tank, annular tank, etc., may be used to implement the corresponding adsorption function, which will not be described herein.

As an embodiment of the present utility model, as shown in fig. 4, the vacuum adsorption tanks 32 are selected to include both transverse tanks 321 and longitudinal tanks 322, wherein the transverse tanks 321 are arranged at equal intervals, and the longitudinal tanks 322 are arranged at equal intervals, so that the grid-shaped vacuum adsorption tanks 32 are formed, and the adsorption force of the equal-interval arrangement is more uniform; the distance between the adjacent vacuum suction grooves 32 can be designed according to the need, and can be adjusted adaptively according to the size and thickness of the circuit board.

As an embodiment of the present utility model, as shown in fig. 5, the vacuum suction holes 33 and the vacuum suction grooves 32 may be used in combination, that is, the vacuum suction holes 33 may be provided on the suction plate 31, or the vacuum suction grooves 32 may be provided at the same time; here, the vacuum adsorption holes 33 and the vacuum adsorption grooves 32 are not communicated, two sets of vacuum pumps can be adopted to separately control the vacuum adsorption holes 33 and the vacuum adsorption grooves 32, the vacuum adsorption holes 33 can be arranged between the adjacent vacuum adsorption grooves 32, when in use, the vacuum adsorption holes 33 or the vacuum adsorption grooves 32 can be separately used according to the needs, and when the adsorption force needs to be increased, the vacuum adsorption holes 33 and the vacuum adsorption grooves 32 can be simultaneously opened, so that the circuit boards with different sizes or thicknesses can be used more flexibly.

As an embodiment of the present utility model, the vacuum suction holes 33 and the vacuum suction grooves 32 may be directly formed on the table top 1; the purpose of the utility model is that the adsorption plate 31 is installed on the working table 1, the adsorption plate 31 can be conveniently detached and installed, and when the vacuum adsorption holes 33 or the vacuum adsorption grooves 32 with higher density are required to be replaced, the adsorption plate 31 can be conveniently installed and replaced.

Further, while the adsorption plate 31 is adopted, the adsorption plate 31 needs to be connected with a vacuum pump, an air pipe joint 5 is arranged on the adsorption plate 31, one end of the air pipe joint 5 is connected to the adsorption plate 31, and the other end is connected to the vacuum pump through a hose; the air pipe joint 5 can be arranged on the side surface or the bottom surface of the adsorption plate 31, and when the air pipe joint 5 is arranged on the side surface, the adsorption plate 31 can be directly clung to the working table surface 1 and fixed by bolts; as shown in fig. 2, when the air pipe joint 5 is disposed on the bottom surface, the suction plate 31 may be supported by disposing a plurality of uniformly distributed spacers 4 between the suction plate 31 and the table top 1, and the height of the spacers 4 may be greater than the height of the air pipe joint 5, that is, the space supported by the spacers 4 may accommodate the air pipe joint 5 therein.

The air pipe connectors 5 are at least one, and can be set according to the actual size of the adsorption plate 31, when a plurality of air pipe connectors 5 are provided, the connection modes can be three, and in the first, all the air pipe connectors 5 are directly connected with the same vacuum pump, and the air paths of each air pipe connector 5 are not affected; secondly, all the air pipe joints 5 are connected to the vacuum pump after being connected in series through hoses, and the same air path is adopted to ensure that the adsorption force is more uniform; thirdly, part of the air pipe joints 5 are respectively and directly connected with a vacuum pump, and the rest of the air pipe joints 5 are connected in series and then connected with the vacuum pump; each gas circuit can be opened and closed by an electromagnetic valve.

Further, in order to ensure positioning and fixing balance, at least one pin positioning device 2 is arranged, at least two vacuum adsorption devices 3 are arranged, and the pin positioning devices 2 and the vacuum adsorption devices 3 are uniformly distributed; the pin positioning device 2 and the vacuum adsorption device 3 can be arranged at intervals; or the pin positioning devices 2 are intensively arranged, and the vacuum adsorption devices 3 are uniformly arranged by taking the pin positioning devices 2 as the center; or the vacuum adsorption devices 3 are intensively arranged, and the pin positioning devices 2 are uniformly arranged by taking the vacuum adsorption devices 3 as the center; or the working table surface 1 is divided into different areas, and different pin positioning devices 2 and vacuum adsorption devices 3 are arranged in the different areas.

As an embodiment of the present utility model, the pin positioning device 2 is one and the top surface thereof is rectangular, the shape of the two vacuum adsorption devices 3 is the same as the shape of the top surface thereof, the pin positioning device 2 and the two vacuum adsorption devices 3 are linearly arranged on the table top 1, and the two vacuum adsorption devices 3 are symmetrically arranged on the left and right sides by taking the pin positioning device 2 as an axis, wherein the width of the pin positioning device 2 is smaller than the width of the vacuum adsorption device 3, preferably, the width of the pin positioning device 2 is 1/2 of the width of the vacuum adsorption device 3; the upper surfaces of the pin positioning devices 2 are flush with the upper surfaces of the two vacuum adsorption devices 3, the two upper surfaces are aligned all around, and the combined upper surfaces form a rectangle.

In sum, through adopting the pin positioning device 2 to cooperate with the vacuum adsorption device 3, a plurality of pins are not needed for fixing and positioning, meanwhile, the surface of the circuit board cannot warp and be uneven in a vacuum adsorption mode, and the circuit board cannot transversely move due to the pin positioning device 2; the pin positioning device 2 adopts an air clamp structure to realize automatic positioning and fixing, a circuit board is only required to be placed on the workbench surface 1, the air clamp is started to enable the circuit board to be positioned and fixed automatically, then the vacuum adsorption device 3 is started to carry out adsorption fixing, the positions of the pin positioning device are not deviated in the clamping and processing processes, and the positioning and fixing efficiency is greatly improved; the vacuum adsorption device 3 adopts the vacuum adsorption grooves 32 which are mutually perpendicular, so that the adsorption force is uniformly distributed on the circuit board, and the risk of damaging the circuit board is reduced; the matching of the two devices is adopted, so that the surface flatness of the workpiece is greatly improved, the drilling quality and the drilling precision are effectively improved, the product rejection rate is reduced, the labor is saved, and the production cost is reduced.

It is emphasized that: the above embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited in any way, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims (10)

1. The workbench for processing the circuit board is characterized by comprising a workbench surface (1), wherein at least two areas are arranged on the workbench surface (1), at least one area is provided with a pin positioning device (2), at least one area is provided with a vacuum adsorption device (3), and the pin positioning device (2) and the vacuum adsorption device (3) are used for fixing the same circuit board on the workbench surface (1).

2. The workbench for circuit board processing according to claim 1, wherein the pin positioning device (2) comprises a first air clamp (21) and a second air clamp (22), and the circuit board is positioned by matching the first air clamp (21) with the second air clamp (22); or alternatively, the first and second heat exchangers may be,

the pin positioning device (2) comprises a bakelite plate arranged on the working table surface (1) and pins arranged on the bakelite plate, wherein at least two pins are arranged.

3. The workbench for circuit board processing according to claim 1, wherein the vacuum suction device (3) comprises a suction plate (31) arranged on the workbench surface (1), a plurality of vacuum suction holes (33) arranged on the suction plate (31), and a vacuum pump for providing suction force to the vacuum suction holes (33).

4. The workbench for circuit board processing according to claim 1, wherein the vacuum adsorption device (3) comprises an adsorption plate (31) arranged on the workbench surface (1), a plurality of vacuum adsorption tanks (32) arranged on the adsorption plate (31), and a vacuum pump for providing adsorption force to the vacuum adsorption tanks (32).

5. The workbench for circuit board processing according to claim 3 or 4, characterized in that a plurality of evenly distributed cushion blocks (4) are arranged between the adsorption plate (31) and the workbench surface (1), at least one air pipe joint (5) is arranged between the adsorption plate (31) and the workbench surface (1), and the height of the cushion blocks (4) is larger than that of the air pipe joint (5).

6. The workbench for circuit board processing according to claim 5, wherein the number of the air pipe joints (5) is several, and the air pipe joints (5) are respectively connected to a vacuum pump through pipelines; or a plurality of air pipe joints (5) are connected in series through pipelines and then connected to a vacuum pump; or parts of the plurality of air pipe joints (5) are respectively connected to the vacuum pump through pipelines, and the rest parts are connected to the vacuum pump after being connected in series through the pipelines.

7. The workbench for circuit board processing according to claim 1, wherein at least one of the pin positioning devices (2) and at least two of the vacuum suction devices (3) are arranged uniformly with the pin positioning devices (2) as a center.

8. The workbench for circuit board processing according to claim 7, wherein the number of the pin positioning devices (2) is one, the number of the vacuum adsorption devices (3) is two, the pin positioning devices (2) and the vacuum adsorption devices (3) are linearly arranged on the workbench surface (1), and the vacuum adsorption devices (3) are symmetrically arranged on two sides of the pin positioning devices (2) in a bilateral manner.

9. The workbench for circuit board processing according to claim 8, wherein the two vacuum suction devices (3) are identical in shape, and the pin positioning device (2) is smaller in width than the vacuum suction device (3).

10. A circuit board processing device, characterized by comprising a main shaft and the workbench for processing circuit boards according to any one of claims 1-9, wherein the circuit boards are fixed on the workbench surface (1) and move linearly along the direction perpendicular to the main shaft, and a cutter for processing the circuit boards is arranged on the main shaft.