CN219802686U

CN219802686U - PCB drilling device with cooling function

Info

Publication number: CN219802686U
Application number: CN202321016339.1U
Authority: CN
Inventors: 金平; 杨海云; 蔡金锋; 刘天军
Original assignee: Shengyi Electronics Co Ltd
Current assignee: Shengyi Electronics Co Ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-10-03
Anticipated expiration: 2033-04-28

Abstract

The utility model relates to the technical field of PCB processing, and particularly discloses a PCB drilling device with a cooling function, which comprises a drilling machine, an air compressor, a vortex tube and a connecting piece, wherein the drilling machine comprises a frame and a drill main body which is arranged on the frame in a sliding manner along the Z direction, and a drill bit on the drill main body is used for drilling a PCB; the air compressor is used for providing compressed gas; the vortex tube is provided with an air inlet pipeline, a hot air discharge pipeline and a cold air discharge pipeline, the air flowing out of the air compressor flows into the air inlet pipeline after being treated, and the cold air flowing out of the cold air discharge pipeline can flow to the drilling position of the PCB; the connecting piece has magnetic force, and the one end and the vortex tube of connecting piece adsorb to be connected, and the other end and the frame of connecting piece adsorb to be connected. The problem that the electric signal is conducted is solved by the arrangement. Wherein, with vortex tube and frame through the mode that has the connecting piece connection of magnetic force, easy dismounting has improved packaging efficiency, and the later maintenance of being convenient for.

Description

PCB drilling device with cooling function

Technical Field

The utility model relates to the technical field of PCB processing, in particular to a PCB drilling device with a cooling function.

Background

In the manufacturing process of the printed circuit board, the multi-layer board is required to realize the electric signal conduction of any layer through the processes of mechanical drilling, whole board electroplating and the like. However, in the mechanical drilling process, drilling dirt byproducts are generated by high-speed friction between the drill bit and the plate (containing epoxy resin), the drilling dirt is coated on the whole hole wall, if the hole wall is not cleaned up before the whole plate is electroplated, the electric signals of copper plating and inner layer copper on the hole wall are blocked after the whole plate is electroplated, and open circuit abnormality is seriously caused.

Therefore, it is needed to study a PCB drilling device with cooling function to reduce the temperature of the drill bit and the position where the PCB is to be drilled, and reduce the amount of drilling pollution from the source, so as to solve the problem that the drilling pollution affects the conduction of the electrical signal.

Disclosure of Invention

The utility model aims to provide a PCB drilling device with a cooling function, which is used for reducing the temperature of a drill bit and a position to be drilled of a PCB, reducing the generation amount of drilling dirt from a source and solving the problem that the drilling dirt affects the conduction of an electric signal.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a PCB drilling device with cooling function, which comprises:

the drilling machine comprises a frame and a drill main body which is arranged on the frame in a sliding manner along the Z direction, and a drill bit on the drill main body is used for drilling a PCB;

the air compressor is used for providing compressed gas;

the vortex tube is provided with an air inlet pipeline, a hot air discharge pipeline and a cold air discharge pipeline, the air flowing out of the air compressor flows into the air inlet pipeline after being treated, and the cold air flowing out of the cold air discharge pipeline can flow to the drilling position of the PCB;

the connecting piece, the connecting piece has magnetic force, the one end of connecting piece with vortex tube adsorbs the connection, the other end of connecting piece with the frame adsorbs the connection.

As an alternative technical scheme of PCB drilling equipment with cooling function, the rig includes the pressure spare, the pressure spare is followed the Z direction slides and locates the frame, and can be in initial position with compress tightly the position between the position, be located the pressure spare of compressing tightly the position can compress tightly the PCB, PCB drilling equipment with cooling function includes the universal pipe, the one end of universal pipe with cold air exhaust line intercommunication, the other end of universal pipe is fixed in the pressure spare.

As an alternative technical scheme of the PCB drilling device with the cooling function, the pressure member is provided with a flow hole, the other end of the universal tube is communicated with the inlet of the flow hole, and when the pressure member is positioned at the compressing position, cool air flowing out from the outlet of the flow hole flows to the drilling position of the PCB.

As an alternative technical scheme of PCB drilling equipment with cooling function, PCB drilling equipment with cooling function includes dust absorption spare, the pressure spare is equipped with the dust removal mouth, the pressure spare is located when compressing tightly the position, the axis of dust removal mouth and PCB drilling department intersect, the dust absorption pipeline's of dust absorption spare entry with the export intercommunication of dust removal mouth.

As an alternative technical scheme of PCB drilling equipment with cooling function, the rig includes mount pad and driving piece, the mount pad is followed Z direction slip is located the frame, the driving piece is located the frame just with the mount pad transmission is connected, the drill main part is located the mount pad.

As an alternative technical scheme of PCB drilling equipment with cooling function, the rig includes slide bar and slip cap, the slip cap is fixed in the mount pad, the one end of slide bar is smooth to be located in the slip cap, the pressure piece set firmly in the other end of slide bar.

As an alternative technical scheme of the PCB drilling device with the cooling function, the PCB drilling device with the cooling function comprises an air storage tank, an air inlet of the air storage tank is communicated with an air outlet of the air compressor, and the air storage tank is used for storing compressed gas; the air outlet of the air storage tank is communicated with the air inlet pipeline through a communicating pipe.

As an alternative technical scheme of the PCB drilling device with the cooling function, the PCB drilling device with the cooling function includes a cold dryer, and the cold dryer is disposed on the communicating pipe and is used for drying the compressed gas.

As an alternative technical scheme of the PCB drilling device with the cooling function, the PCB drilling device with the cooling function includes a filter, the filter is disposed on the communication pipe and is used for filtering the compressed gas, and the chiller dryer is located between the filter and the air storage tank.

As an alternative technical scheme of PCB drilling equipment with cooling function, the connecting piece includes the permanent magnet, the vortex tube is at least partly for magnetism inhale the material or inlay there is the permanent magnet, the frame is at least partly for magnetism inhale the material or inlay there is the permanent magnet.

The beneficial effects of the utility model are as follows:

the utility model provides a PCB drilling device with a cooling function, which is characterized in that compressed gas is provided by an air compressor, and the compressed gas flows out of gas with lower temperature after passing through a vortex tube, so that the drilling position of the PCB can be cooled, and the rapid and effective cooling of a drill bit and the position of the PCB to be drilled is realized. The generation of drilling pollution is reduced from the source, so that the problem that the drilling pollution affects the conduction of an electric signal is solved, and the drilling process scheme is further optimized to improve the processing efficiency. Wherein, with vortex tube and frame through the mode that has the connecting piece connection of magnetic force, easy dismounting has improved packaging efficiency, and the later maintenance of being convenient for.

Drawings

Fig. 1 is a schematic structural diagram of a PCB drilling apparatus with a cooling function according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of a rig and vortex tube in an embodiment of the utility model.

In the figure:

100. a drilling machine; 110. a drill body; 111. a drill bit; 120. a main shaft guide sleeve; 130. a pressure member; 140. a mounting base; 150. a driving member; 160. an elastic member; 170. a slide bar; 180. a sliding sleeve; 190. a base;

200. an air compressor;

300. a vortex tube; 310. an air intake line; 320. a hot gas discharge line; 330. a cool air discharge line; 340. a universal pipe; 350. a temperature regulator;

400. a connecting piece;

500. a dust collection member; 510. a dust collection pipeline;

600. a gas storage tank; 610. a communicating pipe; 700. a cold dryer; 800. a filter; 900. and a PCB.

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 the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first location" and "second location" are two distinct locations and wherein the first feature is "above," "over" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is level above the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

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.

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

As shown in fig. 1 and 2, the present embodiment provides a PCB drilling apparatus with a cooling function, which includes a drilling machine 100, an air compressor 200, a vortex tube 300, and a connector 400, wherein the drilling machine 100 includes a frame and a drill body 110 slidably provided to the frame in a Z direction, and a drill bit 111 on the drill body 110 is used for drilling a PCB 900; the air compressor 200 is used for providing compressed gas; the vortex tube 300 has an air inlet pipe 310, a hot air discharge pipe 320 and a cold air discharge pipe 330, and the air discharged from the air compressor 200 flows into the air inlet pipe 310 after being treated, and the cold air discharged from the cold air discharge pipe 330 can flow to the drilled hole of the PCB 900; the connecting piece 400 has magnetic force, one end of the connecting piece 400 is in adsorption connection with the vortex tube 300, and the other end of the connecting piece 400 is in adsorption connection with the rack.

This PCB drilling equipment with cooling function provides compressed gas through setting up air compressor machine 200, the lower gas of outflow temperature behind vortex tube 300, thereby can cool off PCB900 drilling department, in order to realize the quick effective cooling to PCB900 department, with the temperature that reduces the drill bit and PCB900 drilling department, avoid the temperature of drilling department to surpass resin Tg value, thereby avoid the resin to be softened and melt into paste and scribble the pore wall, the condition of glue residue just becomes after the cooling, reduce the production of boring dirty from the source, thereby solve the problem that bores dirty conduction that influences the electrical signal. Wherein, the mode of connecting vortex tube 300 and frame through the connecting piece 400 that has magnetic force, easy dismounting has improved packaging efficiency, and the later maintenance of being convenient for.

The vortex tube 300 is provided with a temperature regulator 350, and the temperature regulator 350 is used to regulate the temperature of cool air.

It should be noted that the drilling machine 100 includes a moving plate, which is disposed on the frame and can move in a horizontal plane with respect to the frame, and the PCB900 is disposed on the moving plate, and the horizontal plane is perpendicular to the Z direction.

The drilling machine 100 includes a pressing member 130, the pressing member 130 is slidably disposed on the frame along the Z direction and is capable of moving between an initial position and a pressing position, the pressing member 130 disposed at the pressing position is capable of pressing the PCB900, the PCB drilling device having a cooling function includes a universal tube 340, one end of the universal tube 340 is connected to the cool air discharge line 330, and the other end of the universal tube 340 is fixed to the pressing member 130. The arrangement of the pressure piece 130 enables the PCB900 to be compressed, so that the placement stability of the PCB900 is improved, and the drilling accuracy is improved. The universal tube 340 is configured to accommodate movement of the pressure member 130.

In this embodiment, the pressure member 130 has a through hole, the other end of the universal tube 340 is connected to the inlet of the through hole, and when the pressure member 130 is in the compressed position, the cool air flowing out from the outlet of the through hole flows to the drilled hole of the PCB 900. When this setting has guaranteed the drilling, the air conditioning can blow PCB900 drilling department, carries out accurate cooling.

In this embodiment, the PCB drilling device with cooling function includes a dust collection member 500, the pressure member 130 is provided with a dust collection port, when the pressure member 130 is located at the pressing position, the axis of the dust collection port intersects with the PCB900 drilling position, and the inlet of the dust collection pipe 510 of the dust collection member 500 is communicated with the outlet of the dust collection port. This setting makes the impurity of the dust that drilling process produced be absorbed by dust catcher 500, has reduced the risk because of impurity influences drilling quality. On the other hand, it helps to improve gas circulation at the drilled holes of the PCB900 and helps to reduce heat generated during the drilling process. In another embodiment, the line connecting the outlet of the flow opening and the inlet of the dust removal opening passes through the borehole.

In this embodiment, the dust collection member 500 may be a dust collector.

The drilling machine 100 comprises a mounting seat 140 and a driving piece 150, wherein the mounting seat 140 is arranged on the frame in a sliding manner along the Z direction, the driving piece 150 is arranged on the frame and is in transmission connection with the mounting seat 140, and the drilling machine main body 110 is arranged on the mounting seat 140. The above arrangement enables automatic lowering of the drill body 110, improving the degree of mechanization of drilling. The driving member 150 is configured to drive the mount 140 to reciprocate along the Z direction.

The base 190 is fixedly arranged on the frame, and the driving member 150 is fixedly arranged on the base 190. The drilling machine 100 includes an elastic member 160, wherein the elastic member 160 is disposed between the mounting base 140 and the base 190 for providing an upward pulling force to the mounting base 140, i.e., the elastic member 160 is used for providing a Z-direction pulling force to the mounting base 140. The above arrangement helps to reduce the output power of the driver 150 and reduce the cost of use. In this embodiment, the elastic member 160 may be a tension spring.

In this embodiment, the drilling machine 100 includes a sliding rod 170 and a sliding sleeve 180, the sliding sleeve 180 is fixed on the mounting seat 140, one end of the sliding rod 170 is slidably disposed in the sliding sleeve 180, and the pressure member 130 is fixedly disposed at the other end of the sliding rod 170. This arrangement allows one driver 150 to drive both the pressure member 130 and the drill body 110 at the same time, reducing costs. Specifically, the slide bar 170 is slidable relative to the slide sleeve 180 between a lower end position and an upper end position, wherein a spring is provided between the slide bar 170 and the slide sleeve 180 for stopping the slide bar 170 in the lower end position.

When the moving plate moves to the position right below the drill main body 110 on the horizontal plane during drilling, the driving piece 150 drives the mounting seat 140 to descend, the drill main body 110 and the pressure piece 130 are driven to descend simultaneously, the pressure piece 130 contacts the PCB900 firstly, the drill main body 110 continues to descend, the sliding rod 170 and the sliding sleeve 180 slide relatively, the spring compresses, the reaction force of the spring plays a role of pressing the PCB900, the drill main body 110 continues to descend, the drill bit 111 of the drill main body 110 contacts the PCB900 until drilling is completed, the mounting seat 140 is lifted, and the drilling process is finished.

Wherein, two slide bars 170 may be provided, and two slide bars 170 are separated at two sides of the drill body 110. In other embodiments, the slide bar 170 and the slide sleeve 180 may be replaced by a slide rail and slide block structure. Specifically, the sliding rail is disposed on the mounting seat 140, and along the Z direction, the slider is disposed on the pressure member 130 and is in sliding fit with the sliding rail.

In order to avoid continuous operation of the air compressor 200 and improve the service life of the air compressor 200, in this embodiment, the PCB drilling device with a cooling function includes an air storage tank 600, an air inlet of the air storage tank 600 is communicated with an air outlet of the air compressor 200, and the air storage tank 600 is used for storing compressed gas; the air outlet of the air tank 600 is communicated with the air inlet pipe 310 through a communication pipe 610.

In this embodiment, the PCB drilling device with cooling function includes a chiller dryer 700, and the chiller dryer 700 is disposed on the communication pipe 610 for drying the compressed gas. The gas in the gas storage tank 600 enters the vortex tube 300 after passing through the cold dryer 700, so that the dryness of the gas flow can be improved, and the influence of moisture on decontamination is avoided.

Further, the PCB drilling apparatus having the cooling function includes a filter 800, and the filter 800 is provided on the communication pipe 610 for filtering the compressed gas. The arrangement of the filter 800 can filter the gas flowing into the bit 111 of the vortex tube 300, improving the service life of the vortex tube 300.

Still further, the chiller 700 is located between the filter 800 and the air reservoir 600. The arrangement can dry the air flow flowing into the vortex tube 300 and then filter the air flow, so that moisture is prevented from entering the filter 800, the filtering function of the filter 800 is seriously affected, the service environment of the filter 800 is improved, and the service life of the filter 800 is prolonged.

Regarding the connection mode of the vortex tube 300 and the frame, specifically, the connection piece 400 includes a permanent magnet, at least a part of the vortex tube 300 is made of a magnetic material or embedded with the permanent magnet, and at least a part of the frame is made of a magnetic material or embedded with the permanent magnet. In other embodiments, the connection may be by bonding or clamping. Specifically, the main shaft guide sleeve 120 is fixedly arranged on the frame, the drill main body 110 is slidably arranged on the main shaft guide sleeve 120, and the sliding rod 170 is slidably matched with the main shaft guide sleeve 120.

The connecting block is welded on the outer side of the spindle guide sleeve 120, the connecting block is provided with a connecting groove, one end of the connecting piece 400 is adhered with the vortex tube 300, and the other end of the connecting piece 400 is inserted in the connecting groove and is adsorbed on the side wall and the groove bottom of the connecting groove. Further, the opening direction of the connecting groove is upward. The vortex tube 300 is connected with an L-shaped connection auxiliary piece, the connection auxiliary piece comprises a cross rod and a vertical rod which are connected, wherein one end of the cross rod is connected with one end of the vertical rod, the other end of the cross rod is connected with the vortex tube 300, the other end of the vertical rod is connected with one end of the connecting piece 400, and the other end of the connecting piece 400 is located in the connecting groove. Wherein, the montant extends along the Z direction, and the connecting piece 400 is located at the lower end of the montant. In this embodiment, the connection member 400 is a bar-shaped permanent magnet. The vertical rod is adhesively connected with the connecting piece 400.

In the embodiment with the spindle guide 120, the mounting seat 140 may be directly disposed at the output end of the driving member 150, without providing a sliding structure.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. PCB drilling device with cooling function, characterized by comprising:

a drilling machine (100), wherein the drilling machine (100) comprises a rack and a drill main body (110) which is arranged on the rack in a sliding manner along the Z direction, and a drill bit (111) on the drill main body (110) is used for drilling a PCB (900);

an air compressor (200) for supplying compressed gas;

the vortex tube (300), the said vortex tube (300) has air inlet pipeline (310), hot air discharge pipeline (320) and cold air discharge pipeline (330), the gas that the said air compressor (200) flows out flows into the said air inlet pipeline (310) after processing, the cold air that flows out from the said cold air discharge pipeline (330) can flow to the drilling of the said PCB (900);

the connecting piece (400), the connecting piece (400) has magnetic force, the one end of connecting piece (400) with vortex tube (300) adsorbs the connection, the other end of connecting piece (400) with the frame adsorbs the connection.

2. The PCB drilling apparatus with cooling function according to claim 1, wherein the drilling machine (100) includes a pressing member (130), the pressing member (130) is slidably provided to the chassis in the Z direction and is movable between an initial position and a pressing position, the pressing member (130) in the pressing position is capable of pressing the PCB (900), the PCB drilling apparatus with cooling function includes a universal pipe (340), one end of the universal pipe (340) is communicated with the cool air discharge pipe (330), and the other end of the universal pipe (340) is fixed to the pressing member (130).

3. The PCB drilling apparatus with cooling function according to claim 2, wherein the pressure member (130) has a flow hole, the other end of the universal pipe (340) communicates with an inlet of the flow hole, and cool air flowing out from an outlet of the flow hole flows to a drilling site of the PCB (900) when the pressure member (130) is located at the pressing position.

4. A PCB drilling device with cooling function according to claim 3, characterized in that the PCB drilling device with cooling function comprises a dust suction member (500), the pressure member (130) is provided with a dust removal opening, the axis of the dust removal opening intersects the PCB (900) drilling site when the pressure member (130) is in the compressed position, and the inlet of the dust suction pipe (510) of the dust suction member (500) communicates with the outlet of the dust removal opening.

5. The PCB drilling apparatus with cooling function according to claim 2, wherein the drilling machine (100) comprises a mounting seat (140) and a driving member (150), the mounting seat (140) is slidably arranged on the frame along the Z direction, the driving member (150) is arranged on the frame and is in transmission connection with the mounting seat (140), and the drilling main body (110) is arranged on the mounting seat (140).

6. The PCB drilling apparatus with cooling function according to claim 5, wherein the drilling machine (100) includes a slide bar (170) and a slide sleeve (180), the slide sleeve (180) is fixed to the mounting base (140), one end of the slide bar (170) is slidably disposed in the slide sleeve (180), and the pressure member (130) is fixedly disposed at the other end of the slide bar (170).

7. The PCB drilling apparatus with cooling function according to any one of claims 1 to 6, wherein the PCB drilling apparatus with cooling function comprises a gas tank (600), a gas inlet of the gas tank (600) being in communication with a gas outlet of the air compressor (200), the gas tank (600) being for storing compressed gas; the air outlet of the air storage tank (600) is communicated with the air inlet pipeline (310) through a communicating pipe (610).

8. The PCB drilling apparatus with cooling function according to claim 7, wherein the PCB drilling apparatus with cooling function includes a cold dryer (700), the cold dryer (700) being provided on the communication pipe (610) for drying the compressed gas.

9. The PCB drilling apparatus with cooling function according to claim 8, wherein the PCB drilling apparatus with cooling function includes a filter (800), the filter (800) is provided on the communication pipe (610) for filtering the compressed gas, and the chiller dryer (700) is located between the filter (800) and the air tank (600).

10. The PCB drilling apparatus with cooling function according to any one of claims 1-6, wherein the connector (400) comprises a permanent magnet, the vortex tube (300) is at least partially of magnetically attracted material or embedded with a permanent magnet, and the housing is at least partially of magnetically attracted material or embedded with a permanent magnet.