CN220945719U

CN220945719U - Drilling device for circuit board processing

Info

Publication number: CN220945719U
Application number: CN202322258593.9U
Authority: CN
Inventors: 范丹丹; 江胜
Original assignee: Anqing Jida Technology Co ltd
Current assignee: Anqing Jida Technology Co ltd
Priority date: 2023-08-22
Filing date: 2023-08-22
Publication date: 2024-05-14
Anticipated expiration: 2033-08-22

Abstract

The utility model discloses a drilling device for circuit board processing, which comprises a drilling platform, wherein two sides of the bottom of the drilling platform are fixedly connected with support plates, the top of the drilling platform is provided with a drilling groove, the surface of the drilling platform is provided with a chip guiding opening, the bottom of the drilling groove is fixedly connected with a support column, two sides of the drilling groove are provided with air guiding cavities, the bottom of the drilling groove is provided with a chip collecting cavity, the top of the chip collecting cavity is provided with a plurality of chip guiding holes, two sides of the chip collecting cavity are fixedly connected with chip guiding blocks, the side wall of the air guiding cavity is provided with a plurality of air outlet holes, two sides of the drilling groove are provided with vacuum components, the rear side of the drilling groove is provided with a fixing frame, the top of the drilling groove is provided with a chip blocking cover, the top of the fixing frame is provided with a transmission component, the bottom of the drilling groove is provided with a blast component, a supporting plate is fixedly connected with the chip collecting groove, and the chip collecting groove is placed on the supporting plate. The utility model can fix the circuit board without clamping, and scraps are not easy to splash everywhere, and the circuit board can be cooled.

Description

Drilling device for circuit board processing

Technical Field

The utility model belongs to the technical field of circuit board processing, and particularly relates to a drilling device for circuit board processing.

Background

A circuit board is an important component for electronic devices, which is a basic structure for connecting electronic components. The circuit board is a sheet of insulating material (e.g., fiberglass and high density paper substrate) with circuit patterns printed thereon and with the locations of the components indicated on the drawing sheet. The circuit board is used for connecting electronic components, and connects the electronic components together to form a circuit so as to realize the functions of the electronic equipment. The circuit board may be installed in various electronic devices such as computers, mobile phones, televisions, home appliances, etc., which all require the circuit board to perform functions.

During the production of the circuit board, holes need to be drilled on the surface of the circuit board, so that the circuit board is used for mounting the direct-insert components and fixing the circuit board on the one hand, and is also used for connecting wires on the other hand. Currently, there are some drilling devices for circuit board processing on the market, for example, a drilling device for circuit board is disclosed on the chinese patent net, the publication number of which is CN205496617U, and although the drilling device can be used for circuit board drilling, there are some defects and disadvantages to be improved: (1) When the circuit board is drilled, the circuit board needs to be fixed in order to avoid the influence on the drilling precision caused by the displacement of the circuit board in the drilling process, the circuit board is usually clamped when the circuit board is fixed due to the structural design of the traditional drilling device, when the force applied by clamping is large, the surface of the circuit board is easily worn, and even the circuit board is deformed when serious, so that the normal use of the circuit board is influenced; (2) When the existing drilling device is used for drilling a circuit board, generated scraps tend to splash around, and when the scraps are scattered around, the scraps are difficult to collect and clean uniformly, so that the surrounding environment is influenced, and meanwhile, the scraps are easy to splash on the body of an operator, so that the operator is injured; (3) When the circuit board is drilled, the surface temperature of the circuit board can be gradually increased due to friction generated by an electric drill bit, and most of the existing drilling devices lack effective cooling measures, so that related components on the circuit board are easy to break down due to high temperature once the time is long, and the service life of the circuit board is affected. Therefore, aiming at the problems, the drilling device for circuit board processing has important significance.

Disclosure of utility model

The utility model provides a drilling device for processing a circuit board, which can be used for drilling the circuit board through a drilling assembly, and can be used for respectively adjusting the longitudinal and transverse positions of drilling points during drilling so as to drill a designated position according to needs, and firmly adsorbing the circuit board on the top of a vacuum bin under the action of negative pressure through a vacuum assembly, and fixing the circuit board in a clamping manner without clamping, so that the surface of the circuit board is prevented from being worn or deformed due to overlarge force applied by clamping; the dust blocking cover can effectively prevent generated scraps from splashing around, so that the scraps are prevented from being inconvenient to collect and clean uniformly after being scattered, meanwhile, the scraps are also effectively prevented from splashing on the body of an operator to cause injury of the operator, and the scraps can be collected uniformly through the scraps collecting groove, so that the scraps can be cleaned subsequently; the air blast assembly can blast air into the drilling groove so as to accelerate the air flow speed in the drilling groove, thereby effectively reducing the surface temperature of the circuit board, achieving the purpose of cooling, avoiding faults caused by overhigh surface temperature of the circuit board after long-time drilling, and blowing the scraps remained in the drilling groove into each scraps guiding hole by utilizing wind power so as to guide the scraps into the scraps collecting groove for collection, thus solving the problems in the background art.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

The utility model relates to a drilling device for circuit board processing, which comprises a drilling platform, wherein the two sides of the bottom of the drilling platform are fixedly connected with support plates, the top of the drilling platform is provided with a drilling groove, the surface of the drilling platform is provided with a chip guiding opening, the chip guiding opening is rectangular, the bottom of the drilling groove is fixedly connected with a plurality of support columns, the two sides of the drilling groove are provided with air guiding cavities, the bottom of the drilling groove is provided with a chip collecting cavity, the top of the chip collecting cavity is provided with a plurality of chip guiding holes, the two sides of the chip collecting cavity are fixedly connected with chip guiding blocks, the chip guiding blocks are positioned at the two sides of the chip guiding opening, the top of the chip guiding blocks are inclined end surfaces, the side wall of the air guiding cavity is provided with a plurality of air outlet holes, the two sides of the drilling groove are provided with vacuum components, the rear side of the drilling groove is provided with a fixing frame, the top of the drilling groove is provided with a chip blocking cover, the fixing frame is fixedly connected to the drilling platform, the side of the fixing frame is L-shaped, the top of the fixing frame is provided with a pair of sliding grooves, the top of the fixing frame is provided with a transmission component, the bottom of the chip collecting component is fixedly connected with a supporting plate, and the chip collecting groove is fixedly connected with the supporting plate;

The vacuum assembly comprises a vacuum pump and a vacuum bin, the vacuum pump is arranged at the top of the drilling platform and is respectively positioned at two sides of the drilling groove, the vacuum pump is provided with an exhaust pipe, the vacuum bin is arranged at two sides of the bottom of the drilling groove, the top of the vacuum bin is of an open structure, and the pipe orifice at the other end of the exhaust pipe respectively penetrates through the side walls of the drilling groove and the vacuum bin and is communicated with the vacuum bin;

The transmission assembly comprises a motor and a transmission block, the motor is arranged at the top of the fixing frame, a screw rod is arranged at the output end of the motor, a transmission plate is fixedly connected to the bottom of the transmission block, a transmission hole is formed in the surface of the transmission plate, matched internal threads and external threads are respectively carved on the inner wall of the transmission hole and the outer wall of the screw rod, a pair of sliding blocks are fixedly connected to the bottom of the transmission plate, the thickness of each sliding block is equal to the width of a chute, the bottom end of each sliding block penetrates through the chute and is fixedly connected with a mounting plate, a mounting seat is fixedly connected to the bottom of each mounting plate, and a drilling assembly is arranged at the bottom of each mounting seat;

The drilling assembly comprises a mounting frame, the side of mounting frame is the U font, and electric telescopic handle is installed to its bottom, the electric drill is installed to electric telescopic handle's output shaft bottom, the screw hole has all been seted up to the preceding terminal surface and the rear end face of mounting frame, screw hole threaded connection has the bolt, the constant head tank has all been seted up with the rear end face to the preceding terminal surface of mount pad, the constant head tank is the rectangle, and its slot width equals with the diameter of bolt.

Further, the bottom fixedly connected with guide block of mount pad, the guide slot has been seted up to the top surface of mounting bracket, the guide slot is the T font with the side of guide block, and its size is mutually supported, just the guide block laminating is in the guide slot.

Further, the cross section of support column is circular, and its height is equal with the height of vacuum storehouse, just the top surface of support column is provided with one deck blotter, the surface of blotter is carved with chevron anti-skidding line.

Further, the chip blocking cover is of a rectangular frame structure, the length and the width of the inner wall of the chip blocking cover are respectively equal to those of the inner wall of the drilling groove, the edges of the bottom ends of the two sides of the chip blocking cover are outwards protruded and provided with a plurality of positioning holes, the two sides of the top of the drilling groove are fixedly connected with a plurality of positioning columns, the number of the positioning columns is the same as that of the positioning holes, the diameter of the positioning columns is equal to the diameter of the positioning holes, and the centers of the positioning columns are respectively corresponding to the centers of the positioning holes.

Further, the chip collecting groove is located under the chip guiding port, the front end face of the chip collecting groove is fixedly connected with a handle, clamping blocks are fixedly connected to two sides of the bottom of the chip collecting groove, a pair of clamping grooves are formed in the top surface of the supporting plate, the clamping grooves and the clamping blocks are rectangular, the width of the clamping grooves is equal, and the centers of the clamping grooves are respectively corresponding to the centers of the clamping blocks.

Further, the blast assembly comprises a blast bin, the blast bin is arranged on the rear end face of the fixing frame, blast pipes are fixedly connected to the two sides of the blast bin, a fan is arranged on the blast bin, a blade of the fan is positioned in the blast bin, one end pipe orifice of the blast pipe is communicated with the blast bin, and the other end pipe orifice of the blast pipe penetrates through the rear side of the drilling groove and is communicated with the air guide cavity.

Further, the air outlet holes are communicated with the air guide cavity, and the air outlet holes are distributed in a linear equidistant manner along the width direction of the drilling groove.

Compared with the prior art, the utility model has the following beneficial effects:

(1) When the drilling device is used, the drilling assembly can be used for drilling the circuit board, the longitudinal position and the transverse position of the drilling point can be respectively adjusted during drilling so as to drill the appointed position according to the requirement, the circuit board can be firmly adsorbed on the top of the vacuum bin under the action of negative pressure through the vacuum assembly, and the circuit board can be fixed without clamping, so that the surface of the circuit board is prevented from being worn or deformed due to overlarge force applied by clamping;

(2) When the drilling device is used, the generated scraps can be effectively prevented from splashing around by the scraps blocking cover, so that the scraps are prevented from being scattered around and inconvenient to collect and clean uniformly, meanwhile, the scraps are also effectively prevented from being splashed on the body of an operator to cause injury of the operator, and the scraps can be collected uniformly by the scraps collecting groove, so that the scraps can be cleaned later;

(3) When the drilling device is used, the air blowing component can blow air into the drilling groove so as to accelerate the air flow speed in the drilling groove, so that the surface temperature of the circuit board can be effectively reduced, the purpose of cooling is achieved, faults caused by overhigh surface temperature of the circuit board after long-time drilling are avoided, and the scraps remained in the drilling groove can be blown into each scraps guiding hole by utilizing wind power so as to be guided into the scraps collecting groove for collection.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a drilling device for circuit board processing according to the present utility model;

FIG. 2 is a schematic perspective view of a drilling platform and a fixing frame according to the present utility model;

FIG. 3 is a schematic perspective view of a drilled slot according to the present utility model;

FIG. 4 is a top view of a drilled slot according to the present utility model;

FIG. 5 is a front cross-sectional view of a drilled slot in the present utility model;

FIG. 6 is a schematic perspective view of a vacuum assembly according to the present utility model;

FIG. 7 is a schematic perspective view of a transmission assembly according to the present utility model;

FIG. 8 is a schematic perspective view of a drilling assembly according to the present utility model;

FIG. 9 is a front view of the structure of the drilling assembly of the present utility model;

FIG. 10 is a schematic perspective view of a chip blocking cover according to the present utility model;

FIG. 11 is a schematic perspective view of a chip collecting groove in the utility model;

fig. 12 is a schematic perspective view of a blower assembly according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. A drilling station; 2. a support plate; 3. drilling a groove; 4. a chip guiding port; 5. a support column; 6. an air guide cavity; 7. a chip collecting cavity; 8. a chip guiding hole; 9. a chip guiding block; 10. an air outlet hole; 11. a fixing frame; 12. a chip blocking cover; 13. a chute; 14. a supporting plate; 15. a chip collecting groove; 16. a vacuum pump; 17. a vacuum bin; 18. an exhaust tube; 19. a motor; 20. a transmission block; 21. a screw rod; 22. a drive plate; 23. a transmission hole; 24. a slide block; 25. a mounting plate; 26. a mounting base; 27. a mounting frame; 28. electric drill; 29. a threaded hole; 30. a bolt; 31. a positioning groove; 32. a guide block; 33. a guide groove; 34. a cushion pad; 35. positioning holes; 36. positioning columns; 37. a handle; 38. a clamping block; 39. a clamping groove; 40. a blast bin; 41. a blast pipe; 42. a fan; 43. an electric telescopic rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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 understood that the terms "opposite," "one end," "interior," "transverse," "end," "both ends," "two sides," "front," "one end face," "the other end face," and the like indicate orientations or positional relationships, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the components or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-12, a drilling device for circuit board processing of the present utility model includes a drilling platform 1, wherein two sides of the bottom of the drilling platform 1 are fixedly connected with a supporting plate 2, a drilling groove 3 is installed at the top of the drilling platform 1, a chip guiding opening 4 is provided on the surface of the drilling platform 1, the chip guiding opening 4 is rectangular, a plurality of supporting columns 5 are fixedly connected to the bottom of the drilling groove 3, air guiding cavities 6 are provided at two sides of the drilling platform, a chip collecting cavity 7 is provided at the bottom of the drilling groove 3, a plurality of chip guiding holes 8 are provided at the top of the chip collecting cavity 7, chip guiding blocks 9 are fixedly connected to chip guiding blocks 9 at two sides of the chip guiding opening 4, inclined end faces are provided at the top of the chip guiding cavity 6, a plurality of air outlet holes 10 are provided at the side walls of the chip guiding cavity 6, vacuum components are provided at two sides of the drilling groove 3, a chip blocking cover 12 is installed at the top of the drilling groove 3, the side faces of the fixing frame 11 are L-shaped, a pair of sliding grooves 13 are provided at the top of the fixing frame 11, a transmission component is installed at the top of the fixing frame 11, a supporting plate 14 is fixedly connected to the chip collecting component 14 is installed at the bottom of the chip collecting component, and a supporting plate 15 is fixedly connected to the supporting plate 14;

The vacuum assembly comprises a vacuum pump 16 and a vacuum bin 17, wherein the vacuum pump 16 is arranged at the top of the drilling platform 1 and is respectively positioned at two sides of the drilling groove 3, an exhaust tube 18 is arranged on the vacuum pump 16, the vacuum bin 17 is arranged at two sides of the bottom of the drilling groove 3, the top of the vacuum bin is of an open structure, the other end pipe orifice of the exhaust tube 18 respectively penetrates through the side walls of the drilling groove 3 and the vacuum bin 17 and is communicated with the vacuum bin 17, a circuit board to be drilled can be placed at the top of the vacuum bin 17, when the circuit board is required to be drilled, air in the vacuum bin 17 can be pumped out by driving the vacuum pump 16 through the exhaust tube 18, so that the air pressure in the vacuum bin 17 is gradually reduced until vacuum is formed, at the moment, the circuit board can be firmly adsorbed at the top of the vacuum bin 17 under the action of negative pressure, the circuit board can be fixed without being clamped, and the surface of the circuit board is effectively prevented from being worn or deformed due to overlarge force exerted by clamping;

The transmission assembly comprises a motor 19 and a transmission block 20, the motor 19 is arranged at the top of the fixed frame 11, a screw rod 21 is arranged at the output end of the motor 19, a transmission plate 22 is fixedly connected to the bottom of the transmission block 20, a transmission hole 23 is formed in the surface of the transmission plate, matched internal threads and external threads are respectively carved on the inner wall of the transmission hole 23 and the outer wall of the screw rod 21, a pair of sliding blocks 24 are fixedly connected to the bottom of the transmission plate 22, the thickness of the sliding blocks 24 is equal to the groove width of the sliding groove 13, the bottom end of the sliding blocks passes through the sliding groove 13 and is fixedly connected with a mounting plate 25, the bottom of the mounting plate 25 is fixedly connected with a mounting seat 26, a drilling assembly is arranged at the bottom of the mounting seat 26, the screw rod 21 can be driven to rotate through the driving motor 19, the transmission block 20 and the transmission plate 22 can be driven to move forwards and backwards together through the cooperation between the transmission plate 22 when the transmission plate 22 moves forwards and backwards, and the sliding blocks 24 and the mounting plate 25 and the drilling assembly can be driven to move forwards and backwards together along the sliding groove 13, and the longitudinal position of a drilling point can be adjusted according to needs;

The drilling assembly comprises a mounting frame 27, an electric telescopic rod 43 is mounted at the bottom of the mounting frame 27, an electric drill 28 is mounted at the bottom of an output shaft of the electric telescopic rod 43, a threaded hole 29 is formed in the front end face and the rear end face of the mounting frame 27, bolts 30 are connected with the threaded holes 29 in a threaded mode, locating grooves 31 are formed in the front end face and the rear end face of the mounting frame 26, the locating grooves 31 are rectangular, the groove width of the locating grooves is equal to the diameter of the bolts 30, the tail ends of the locating grooves can be inserted into and tightly abutted to the locating grooves 31 through the bolts 30 in the threaded holes 29, at the moment, the mounting frame 27 and the electric drill 28 can be fixedly mounted at the bottom of the mounting frame 26 together through the mutual fit between the bolts 30 and the locating grooves 31, so that a circuit board can be drilled through the electric drill 28, meanwhile, the mounting frame 27 and the electric drill 28 can be moved left and right along the mounting frame 26 through unscrewing the bolts 30, so that the transverse positions of drilling points can be adjusted as required, and after the position adjustment is completed, the positions of the mounting frame 27 and the electric drill 28 can be fixed.

Wherein, guide block 32 is offered to the bottom fixedly connected with of mount pad 26, guide slot 33 has been seted up to the top surface of mounting bracket 27, the guide slot 33 is the T font with the side of guide block 32, its size is mutually supported, and guide block 32 laminating is in guide slot 33, can be with mounting bracket 27 sliding connection in the bottom of mounting bracket 27 through the mutually supported between guide block 32 and the guide slot 33, and when mounting bracket 27 moves about, can play spacing effect through the mutually supported between guide block 32 and the guide slot 33, so as to improve the stability of mounting bracket 27, thereby prevent that it from taking place to rock and influence the precision of drilling at removal and drilling in-process.

The cross section of the support column 5 is circular, the height of the support column is equal to that of the vacuum bin 17, a layer of buffer pad 34 is arranged on the top surface of the support column 5, herringbone anti-skid patterns are engraved on the surface of the buffer pad 34, when a circuit board is placed on the top of the vacuum bin 17 and is adsorbed on the vacuum bin 17 through a vacuum assembly, the buffer pad 34 on the top of each support column 5 is attached to the bottom of the circuit board, the buffer pad 34 is made of elastic materials such as rubber and the like, the buffer pad 34 can play a role in buffering and damping, so that the circuit board is prevented from vibrating in the drilling process to collide with the vacuum bin 17 and the support column 5, meanwhile, friction force between the circuit board and each support column 5 can be increased by the aid of the anti-skid patterns on the surface of the buffer pad 34, so that the anti-skid effect is achieved, and stability of the circuit board can be further improved, and slipping and displacement of the circuit board in the drilling process can be avoided.

The chip blocking cover 12 is of a rectangular frame structure, the length and the width of the inner wall of the chip blocking cover 12 are respectively equal to those of the inner wall of the drilling groove 3, a plurality of positioning holes 35 are formed in the edges of the bottom ends of the two sides of the chip blocking cover 12 in an outwards protruding mode, a plurality of positioning columns 36 are fixedly connected to the two sides of the top of the drilling groove 3, the number of the positioning columns 36 is the same as that of the positioning holes 35, the diameter of each positioning column 36 is equal to that of the positioning holes 35, the centers of the positioning columns 36 are respectively corresponding to the centers of the positioning holes 35, the positioning columns 36 can align and penetrate through the corresponding positioning holes 35, the chip blocking cover 12 can be fixed to the top of the drilling groove 3 through the mutual matching between the positioning columns 36 and the positioning holes 35, and can be covered around the whole drilling groove 3, generated chips can be effectively blocked through the chip blocking cover 12, so that the chips are not convenient to collect and clean up in a unified mode after being scattered, and meanwhile the chips are effectively prevented from being splashed on the body of an operator to cause injury.

The chip collecting groove 15 is located right below the chip guiding port 4, the front end surface of the chip collecting groove 15 is fixedly connected with a handle 37, two sides of the bottom of the chip collecting groove 15 are fixedly connected with clamping blocks 38, a pair of clamping grooves 39 are formed in the top surface of the supporting plate 14, the clamping grooves 39 and the clamping blocks 38 are rectangular, the width of the clamping grooves is equal, the centers of the clamping grooves 39 respectively correspond to the centers of the clamping blocks 38, when the chip collecting groove 15 is placed on the supporting plate 14, the clamping blocks 38 can be aligned and attached to the corresponding clamping grooves 39, and at the moment, the chip collecting groove 15 can be positioned through the mutual matching between the clamping blocks 38 and the clamping grooves 39 so as to be fixed on the supporting plate 14, and therefore the chip collecting is prevented from being influenced by the deviation of the positions of the clamping grooves.

The blast assembly comprises a blast bin 40, the blast bin 40 is arranged on the rear end face of the fixing frame 11, blast pipes 41 are fixedly connected to two sides of the blast bin 40, a fan 42 is arranged on the blast bin 40, a blade of the fan 42 is located in the blast bin 40, one end pipe orifice of the blast pipe 41 is communicated with the blast bin 40, the other end pipe orifice of the blast pipe penetrates through the rear side of the drill hole 3 and is communicated with the air guide cavity 6, the blast can be carried out by driving the fan 42, the air blown out by the fan 42 can blow the air guide cavity 6 through the blast pipes 41 and blow the air into the drill hole 3 through each air outlet 10, so that the air flow speed in the drill hole 3 is increased, the surface temperature of a circuit board can be effectively reduced, the purpose of cooling is achieved, the surface temperature of the circuit board is prevented from being too high after long-time drilling, chips remained in the drill hole 3 can be blown into each chip guide hole 8 through wind, the chips can enter the chip collecting cavity 7 through each chip guide hole 8 and fall into the chip collecting cavity 9 and the chip collecting groove 15 through the chip collecting holes 4, and the chips can be collected through the chip collecting grooves.

Wherein, the air outlet holes 10 are communicated with the air guide cavity 6, and the air outlet holes 10 are distributed linearly at equal intervals along the width direction of the drilling groove 3, and the blowing range can be effectively enlarged through each air outlet hole 10, so that the wind energy blown out by the fan 42 fully covers the whole drilling groove 3, and the cooling efficiency of the circuit board is effectively improved.

The working principle of the utility model is as follows:

When the drilling device is used, firstly, the electric components in the drilling device are externally connected with a control switch and a power supply through wires, then, a circuit board to be drilled is placed into the drilling groove 3, the bottom of the circuit board is attached to the top of the vacuum bin 17, then, the vacuum pump 16 is driven to pump air in the vacuum bin 17 through the exhaust pipe 18 until the vacuum is formed in the vacuum bin 17, at the moment, the circuit board can be firmly adsorbed on the top of the vacuum bin 17 under the action of negative pressure, the circuit board can be fixed without clamping, so that the surface of the circuit board is prevented from being worn or deformed due to overlarge force applied by clamping, then, the electric drill 28 is driven to drive the drill bit to rotate, meanwhile, the electric telescopic rod 43 is driven to drive the electric drill 28 to move downwards, the drill bit at the bottom of the electric drill 28 can drill the circuit board when contacting the surface of the circuit board, when the circuit board is drilled, the longitudinal and transverse positions of the drilling points can be respectively adjusted so as to drill the appointed position according to the requirement, the chip blocking cover 12 is arranged at the top of the drilling groove 3, when the circuit board is drilled, the generated chips can be effectively blocked from splashing everywhere through the chip blocking cover 12 so as to prevent the chips from being inconvenient to collect and clean uniformly after being scattered, meanwhile, the chips are effectively prevented from splashing on the body of an operator to cause injury of the operator, when the drilling work is carried out for a long time, the fan 42 can be driven to blow, at the moment, the air blown out by the fan 42 can be blown into the air guide cavity 6 through the air outlet holes 10 and blown into the drilling groove 3 so as to accelerate the air flow speed in the drilling groove 3, thereby effectively reducing the surface temperature of the circuit board to achieve the purpose of cooling, the surface temperature of the circuit board after long-time drilling is prevented from being too high to cause faults, meanwhile, the chips left in the drilling grooves 3 can be blown into the chip guiding holes 8 by utilizing wind power, the chips can enter the chip collecting cavity 7 through the chip guiding holes 8 after entering the chip guiding holes 8, and fall into the chip collecting grooves 15 along the chip guiding blocks 9 and the chip guiding ports 4, so that the chips can be uniformly collected through the chip collecting grooves 15, and then the chips can be cleaned later by taking the chip collecting grooves 15 off the supporting plate 14 by holding the handles 37.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form 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 utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The drilling device for processing the circuit board is characterized by comprising a drilling platform, wherein the two sides of the bottom of the drilling platform are fixedly connected with support plates, the top of the drilling platform is provided with a drilling groove, the surface of the drilling platform is provided with a chip guiding opening, the chip guiding opening is rectangular, the bottom of the drilling groove is fixedly connected with a plurality of support columns, the two sides of the drilling groove are provided with air guiding cavities, the bottom of the drilling groove is provided with a chip collecting cavity, the top of the chip collecting cavity is provided with a plurality of chip guiding holes, the two sides of the chip collecting cavity are fixedly connected with chip guiding blocks, the chip guiding blocks are positioned at the two sides of the chip guiding opening, the top of the chip guiding blocks are inclined end surfaces, the side wall of the air guiding cavity is provided with a plurality of air outlet holes, the two sides of the drilling groove are provided with vacuum components, the rear side of the drilling groove is provided with a fixing frame, the top of the drilling groove is provided with a chip blocking cover, the fixing frame is fixedly connected to the drilling platform, the side surface of the fixing frame is L-shaped, the top of the fixing frame is provided with a pair of sliding grooves, the top of the fixing frame is provided with a transmission component, the bottom of the fixing frame is provided with a chip guiding component, the chip is fixedly connected with a supporting plate, and the chip collecting plate is fixedly connected with the supporting plate;

2. The drilling device for circuit board processing according to claim 1, wherein the bottom of the mounting seat is fixedly connected with a guide block, the top surface of the mounting frame is provided with a guide groove, the guide groove and the side surface of the guide block are both T-shaped, the dimensions of the guide groove and the guide block are mutually matched, and the guide block is attached in the guide groove.

3. The drilling device for circuit board processing according to claim 1, wherein the cross section of the support column is circular, the height of the support column is equal to the height of the vacuum bin, a layer of buffer pad is arranged on the top surface of the support column, and herringbone anti-skid patterns are engraved on the surface of the buffer pad.

4. The drilling device for circuit board processing according to claim 1, wherein the chip blocking cover is of a rectangular frame structure, the length and the width of the inner wall of the chip blocking cover are respectively equal to those of the inner wall of the drilling groove, the edges of the bottom ends of the two sides of the chip blocking cover are outwards protruded and provided with a plurality of positioning holes, the two sides of the top of the drilling groove are fixedly connected with a plurality of positioning columns, the number of the positioning columns is the same as that of the positioning holes, the diameter of the positioning columns is equal to the aperture of the positioning holes, and the centers of the positioning columns are respectively corresponding to the centers of the positioning holes.

5. The drilling device for processing the circuit board according to claim 1, wherein the chip collecting groove is located under the chip guiding opening, a handle is fixedly connected to the front end face of the chip collecting groove, clamping blocks are fixedly connected to two sides of the bottom of the chip collecting groove, a pair of clamping grooves are formed in the top surface of the supporting plate, the clamping grooves and the clamping blocks are rectangular, the widths of the clamping grooves are equal, and the center of each clamping groove corresponds to the center of each clamping block.

6. The drilling device for circuit board processing according to claim 1, wherein the blowing assembly comprises a blowing bin, the blowing bin is mounted on the rear end face of the fixing frame, both sides of the blowing bin are fixedly connected with a blowing pipe, a fan is mounted on the blowing bin, a blade of the fan is located in the blowing bin, one end pipe orifice of the blowing pipe is communicated with the blowing bin, and the other end pipe orifice of the blowing pipe penetrates through the rear side of the drilling groove and is communicated with the air guide cavity.

7. The drilling device for circuit board processing according to claim 1, wherein the air outlet holes are communicated with the air guide cavity, and the air outlet holes are distributed at equal intervals in a linear manner along the width direction of the drilling groove.