CN215433992U

CN215433992U - Printed circuit board drilling machine capable of improving drilling precision

Info

Publication number: CN215433992U
Application number: CN202121941974.1U
Authority: CN
Inventors: 潘应明; 高建舟
Original assignee: Huizhou Kds Technology Ltd
Current assignee: Huizhou Kds Technology Ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-01-07
Anticipated expiration: 2031-08-18

Abstract

The utility model discloses a printed circuit board drilling machine capable of improving drilling precision, which comprises a stand and a lifting assembly, wherein the stand is provided with a support; a stand: the surface of the frame is provided with a bracket, and the middle part of the frame is provided with an adjusting component; the lifting component: including slide rail, first lead screw, slide, support, electric putter and first motor, the both ends difference sliding connection of slide rail is in the both sides spout of support, first lead screw rotates to be connected in the slide rail, the slide passes through the screw hole threaded connection at middle part on first lead screw, and slide rail sliding connection, the surperficial middle part of slide rail is located to the support, electric putter locates the top surface middle part of support, and electric putter's bottom and support fixed connection, the one end of slide rail is located to first motor, and this can promote the printed circuit board drilling machine of drilling precision can realize the accurate regulation to the drill bit position, can effectively improve the drilling precision then, and the practicality is stronger.

Description

Printed circuit board drilling machine capable of improving drilling precision

Technical Field

The utility model relates to the technical field of printed circuit board processing, in particular to a printed circuit board drilling machine capable of improving drilling precision.

Background

The printed circuit board is a provider for electrical connection of electronic components, the printed circuit board manufacturing industry in China develops rapidly in recent decades, the total output and the total output are in the first world, in the processing process of the printed circuit board, the printed circuit board needs to be drilled, the position of a drill bit is difficult to accurately adjust by the existing part of printed circuit board drilling machines, and the drilling precision is low.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the existing defects, and provide the printed circuit board drilling machine capable of improving the drilling precision, which can realize the precise adjustment of the position of a drill bit, can effectively improve the drilling precision, has strong practicability and can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a printed circuit board drilling machine capable of improving drilling precision comprises a stand and a lifting assembly;

a stand: the surface of the frame is provided with a bracket, and the middle part of the frame is provided with an adjusting component;

the lifting component: the automatic drilling device comprises a sliding rail, a first lead screw, a sliding seat, a support, an electric push rod and a first motor, wherein two ends of the sliding rail are respectively connected in sliding grooves on two sides of a support in a sliding mode, the first lead screw is rotatably connected in the sliding rail, the sliding seat is in threaded connection with the first lead screw through a threaded hole in the middle of the sliding seat, the sliding seat is in sliding connection with the sliding rail, the support is arranged in the middle of the surface of the sliding rail, the electric push rod is arranged in the middle of the top surface of the support, the bottom end of the electric push rod is fixedly connected with the support, the first motor is arranged at one end of the sliding rail, an output shaft of the first motor is fixedly connected with one end of the first lead screw, a drilling assembly is arranged on a lifting assembly, and a fine adjustment assembly is arranged on the drilling assembly;

wherein: still include the PLC controller, the surface of pallet is located to the PLC controller, the input of PLC controller is connected with external power source's output electricity, and the output of PLC controller is connected with first motor and electric putter's input electricity respectively.

Further, drilling subassembly includes underframe, slider, frame, pivot, drill bit and second motor, the bottom surface of slide is located to the underframe, slider sliding connection is in the guide slot of the bottom surface of underframe, the bottom surface of slider is located to the frame, the bottom surface of connecting the frame is rotated in the pivot, the bottom of pivot is located to the drill bit, the inside top surface of frame is located to the second motor, the output shaft of second motor and the top fixed connection of pivot, the input of second motor is connected with the output electricity of PLC controller, and the rotation of the usable second motor of drilling subassembly drives the pivot and rotates, and then can realize the rotation of drill bit, can drill to printed circuit board.

Furthermore, the fine adjustment component comprises a fixed wedge block, a side groove, a sliding plate, a movable wedge block, a support plate, a second lead screw and a third motor, the fixed wedge block is arranged on the side surface of the sliding block, the side groove is arranged on the side surface of the bottom frame, the sliding plate is connected in the side groove in a sliding manner, the movable wedge block is fixedly connected at one end of the sliding plate and is connected with the inclined surface of the fixed wedge block in a sliding manner, the support plates are symmetrically arranged on the side surface of the bottom frame, the second lead screw is rotatably connected on the support plates on the two sides, the second lead screw is in threaded connection with the screw hole at the other end of the sliding plate, the third motor is arranged on the side surface of the support plate, the output shaft of the third motor is fixedly connected with the end part of the second lead screw, the input end part of the third motor is electrically connected with the output end of the PLC, the fine adjustment component can drive the second lead screw to rotate by the rotation of the third motor, and can realize the linear sliding of the sliding plate under the action of the side groove, the movable wedge block can be linearly moved, the movable wedge block is connected with the fixed wedge block in a sliding mode, the fixed wedge block can be utilized to achieve horizontal sliding of the sliding block, and then the position of the drill bit can be finely adjusted, so that drilling is more accurate.

Further, still include telescopic link and spring, the one end fixed connection of telescopic link is in inside one side of end frame, and the other end of telescopic link and the side fixed connection of slider, the spring cup joints on the telescopic link, and when the slider slided right, the telescopic link was compressed, and the spring is compressed thereupon, and then can move the in-process left, utilizes reseing of spring to realize reseing of slider.

Furthermore, the adjusting component comprises a middle groove, a screw rod, a mounting seat, a bedplate and ejector pins, the middle groove is formed in the middle of the surface of the bedplate, the screw rod is rotatably connected into the middle groove, the mounting seat is in threaded connection with the screw rod, the mounting seat is in sliding connection with the middle groove, the bedplate is fixedly connected onto the mounting seat, and the ejector pins are uniformly arranged on the surface of the bedplate.

Further, the adjusting component further comprises a fourth motor, the fourth motor is arranged on the side face of the stand, an output shaft of the fourth motor is fixedly connected with the end portion of the screw rod, the input end of the fourth motor is electrically connected with the output end of the PLC, the screw rod is driven to rotate by rotation of the fourth motor, linear movement of the mounting seat can be achieved under the effect of the middle groove, then linear movement of the stand plate can be achieved, and the printed circuit board on the top pin can be adjusted in the longitudinal position.

Compared with the prior art, the utility model has the beneficial effects that: this can promote printed circuit board drilling machine of drilling precision has following benefit:

1. this fine setting subassembly of printed circuit board drilling machine that can promote drilling accuracy's rotation that can utilize the third motor drives the second lead screw and rotates, under the effect of side channel, can realize the rectilinear sliding of slide, then can realize the rectilinear movement of movable wedge piece, movable wedge piece through with decide the sliding connection of voussoir, can utilize the horizontal slip of deciding the voussoir realization slider, then can finely tune the position of drill bit, make drilling more accurate.

2. This can promote the usable fourth motor of adjusting part of printed circuit board drilling machine of drilling precision's rotation drives the screw rod and rotates, under the effect of zhongkou, can realize the rectilinear movement of mount pad, then can realize the rectilinear movement of platen, can carry out the regulation of longitudinal position to printed circuit board on the thimble.

3. When the slider of the printed circuit board drilling machine capable of improving the drilling precision slides rightwards, the telescopic rod is compressed, the spring is compressed accordingly, and then the slider can be reset by utilizing the reset of the spring in the leftwards moving process.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is a schematic cross-sectional view of the bottom frame of the present invention.

In the figure: the device comprises a stand 1, a PLC 11, a bracket 12, a lifting component 2, a sliding rail 21, a first lead screw 22, a sliding seat 23, a support 24, an electric push rod 25, a first motor 26, a drilling component 3, a bottom frame 31, a sliding block 32, a rack 33, a rotating shaft 34, a drill bit 35, a second motor 36, a fine adjustment component 4, a fixed wedge block 41, a side groove 42, a sliding plate 43, a movable wedge block 44, a support plate 45, a second lead screw 46, a third motor 47, a telescopic rod 5, a spring 51, an adjusting component 6, a middle groove 61, a screw 62, a mounting seat 63, a platen 64, a thimble 65 and a fourth motor 66.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present embodiment provides a technical solution: a printed circuit board drilling machine capable of improving drilling precision comprises a stand 1 and a lifting assembly 2;

a stand 1: the surface is provided with a support 12, the middle part of the stand 1 is provided with an adjusting component 6, the adjusting component 6 comprises a middle groove 61, a screw rod 62, an installation seat 63, a table plate 64 and a thimble 65, the middle groove 61 is arranged at the middle part of the surface of the stand 1, the screw rod 62 is rotatably connected in the middle groove 61, the installation seat 63 is in threaded connection with the screw rod 62, the installation seat 63 is in sliding connection with the middle groove 61, the table plate 64 is fixedly connected on the installation seat 63, the thimble 65 is uniformly arranged on the surface of the table plate 64, the adjusting component 6 further comprises a fourth motor 66, the fourth motor 66 is arranged on the side surface of the stand 1, an output shaft of the fourth motor 66 is fixedly connected with the end part of the screw rod 62, and an input end of the fourth motor 66 is electrically connected with an output end of the PLC 11;

the lifting component 2: comprises a slide rail 21, a first screw rod 22, a slide seat 23, a support 24, an electric push rod 25 and a first motor 26, wherein two ends of the slide rail 21 are respectively connected in sliding grooves at two sides of a support 12 in a sliding manner, the first screw rod 22 is rotatably connected in the slide rail 21, the slide seat 23 is connected on the first screw rod 22 through a threaded hole at the middle part, the slide seat 23 is connected with the slide rail 21 in a sliding manner, the support 24 is arranged at the middle part of the surface of the slide rail 21, the electric push rod 25 is arranged at the middle part of the top surface of the support 12, the bottom end of the electric push rod 25 is fixedly connected with the support seat 24, the first motor 26 is arranged at one end of the slide rail 21, an output shaft of the first motor 26 is fixedly connected with one end of the first screw rod 22, a drilling assembly 3 is arranged on a lifting assembly 2, the drilling assembly 3 comprises a bottom frame 31, a slide block 32, a rack 33, a rotating shaft 34, a drill bit 35 and a second motor 36, the bottom frame 31 is arranged at the bottom surface of the slide seat 23, the slide block 32 is slidably connected in a guide groove at the bottom surface of the bottom frame 31, the frame 33 is arranged on the bottom surface of the sliding block 32, the rotating shaft 34 is rotatably connected with the bottom surface of the frame 33, the drill 35 is arranged at the bottom end of the rotating shaft 34, the second motor 36 is arranged on the inner top surface of the frame 33, the output shaft of the second motor 36 is fixedly connected with the top end of the rotating shaft 34, the input end of the second motor 36 is electrically connected with the output end of the PLC 11, the drilling assembly 3 is provided with a fine adjustment assembly 4, the fine adjustment assembly 4 comprises a fixed wedge block 41, a side groove 42, a sliding plate 43, a movable wedge block 44, support plates 45, a second screw rod 46 and a third motor 47, the fixed wedge block 41 is arranged on the side surface of the sliding block 32, the side groove 42 is arranged on the side surface of the bottom frame 31, the sliding plate 43 is slidably connected in the side groove 42, the movable wedge block 44 is fixedly connected at one end of the sliding plate 43, the movable wedge block 44 is slidably connected with the inclined surface of the fixed wedge block 41, the support plates 45 are symmetrically arranged on the side surface of the bottom frame 31, the second screw rod 46 is rotatably connected on the support plates 45 on both sides, the second screw rod 46 is in threaded connection with the screw hole at the other end of the sliding plate 43, the third motor 47 is arranged on the side surface of the supporting plate 45, the output shaft of the third motor 47 is fixedly connected with the end part of the second screw rod 46, and the input end of the third motor 47 is electrically connected with the output end of the PLC 11;

wherein: still include PLC controller 11, PLC controller 11 locates the surface of stand 1, and PLC controller 11's input is connected with external power source's output electricity, and PLC controller 11's output is connected with first motor 26 and electric putter 25's input electricity respectively.

Wherein: still include telescopic link 5 and spring 51, the one end fixed connection of telescopic link 5 is in the inside one side of underframe 31, and the other end of telescopic link 5 and the side fixed connection of slider 32, and spring 51 cup joints on telescopic link 5.

The rotation of the third motor 47 drives the second lead screw 46 to rotate, under the action of the side groove 42, the linear sliding of the sliding plate 43 can be realized, and then the linear movement of the movable wedge 44 can be realized, the movable wedge 44 is connected with the fixed wedge 41 in a sliding manner, and then the fixed wedge 41 can be used for realizing the horizontal sliding of the sliding block 32, and then the position of the drill bit 35 can be finely adjusted.

The working principle of the printed circuit board drilling machine capable of improving the drilling precision provided by the utility model is as follows: firstly, the printed circuit board to be drilled is fixed on the bedplate 64, the slide rail 21 is driven to move downwards by the extension of the electric push rod 25, the feeding of the drill bit 35 is realized, meanwhile, the rotating shaft 34 is driven to rotate by the rotation of the second motor 36, further, the drill bit 35 can be rotated, the printed circuit board can be drilled, secondly, the screw 62 is driven to rotate by the rotation of the fourth motor 66, the linear movement of the mounting seat 63 can be realized under the action of the middle groove 61, the linear movement of the bedplate 64 can be realized, the longitudinal position of the printed circuit board on the thimble 65 can be adjusted, when the position of the drill bit 35 deviates from the position to be drilled, the second screw 46 can be driven to rotate by the rotation of the third motor 47, the linear sliding of the sliding plate 43 can be realized under the action of the side groove 42, the linear movement of the movable wedge 44 can be realized, the movable wedge 44 is connected with the fixed wedge 41 in a sliding way, the fixed wedge 41 can be used to horizontally slide the slide block 32, and then the position of the drill bit 35 can be finely adjusted, so that the drilling is more accurate.

It should be noted that the specific model of the core chip of the PLC controller 11 disclosed in the above embodiments is siemens S7-300, the first motor 26, the second motor 36, the third motor 47, the fourth motor 66 and the electric putter 25 may be freely configured according to the actual application scenario, the first motor 26, the second motor 36, the third motor 47 and the fourth motor 66 may be servo motors, and the electric putter 25 may be a pen-type electric putter. The PLC controller controls the first motor 26, the second motor 36, the third motor 47, the fourth motor 66 and the electric push rod 25 to work by adopting a method commonly used in the prior art.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a can promote printed circuit board drilling machine of drilling precision which characterized in that: comprises a stand (1) and a lifting component (2);

stand (1): the surface of the stand is provided with a bracket (12), and the middle part of the stand (1) is provided with an adjusting component (6);

lifting assembly (2): comprises a sliding rail (21), a first screw rod (22), a sliding seat (23), a support (24), an electric push rod (25) and a first motor (26), wherein the two ends of the sliding rail (21) are respectively connected in sliding grooves on the two sides of a support (12) in a sliding way, the first screw rod (22) is rotatably connected in the sliding rail (21), the sliding seat (23) is connected on the first screw rod (22) through a threaded hole in the middle part, the sliding seat (23) is connected with the sliding rail (21) in a sliding way, the support (24) is arranged in the middle part of the surface of the sliding rail (21), the electric push rod (25) is arranged in the middle part of the top surface of the support (12), the bottom end of the electric push rod (25) is fixedly connected with the support (24), the first motor (26) is arranged at one end of the sliding rail (21), the output shaft of the first motor (26) is fixedly connected with one end of the first screw rod (22), a drilling assembly (3) is arranged on a lifting assembly (2), a fine adjustment component (4) is arranged on the drilling component (3);

wherein: still include PLC controller (11), the surface of stand (1) is located in PLC controller (11), the input of PLC controller (11) is connected with external power source's output electricity, and the output of PLC controller (11) is connected with the input electricity of first motor (26) and electric putter (25) respectively.

2. A printed circuit board drilling machine capable of improving the accuracy of drilling according to claim 1, wherein: drilling subassembly (3) are including underframe (31), slider (32), frame (33), pivot (34), drill bit (35) and second motor (36), the bottom surface of slide (23) is located in underframe (31), slider (32) sliding connection is in the guide slot of the bottom surface of underframe (31), the bottom surface of slider (32) is located in frame (33), the bottom surface of connecting frame (33) is rotated in pivot (34), the bottom of pivot (34) is located in drill bit (35), the inside top surface of frame (33) is located in second motor (36), the output shaft of second motor (36) and the top fixed connection of pivot (34), the input of second motor (36) is connected with the output electricity of PLC controller (11).

3. A printed circuit board drilling machine capable of improving the accuracy of drilling according to claim 2, wherein: the fine adjustment assembly (4) comprises a fixed wedge block (41), a side groove (42), a sliding plate (43), a movable wedge block (44), a support plate (45), a second screw rod (46) and a third motor (47), wherein the fixed wedge block (41) is arranged on the side surface of the sliding block (32), the side groove (42) is arranged on the side surface of the bottom frame (31), the sliding plate (43) is connected in the side groove (42) in a sliding manner, the movable wedge block (44) is fixedly connected to one end of the sliding plate (43), the movable wedge block (44) is connected with the inclined surface of the fixed wedge block (41) in a sliding manner, the support plate (45) is symmetrically arranged on the side surface of the bottom frame (31), the second screw rod (46) is rotatably connected to the support plate (45) on two sides, the second screw rod (46) is connected in a screw hole in the other end of the sliding plate (43) in a threaded manner, the third motor (47) is arranged on the side surface of the support plate (45), and an output shaft of the third motor (47) is fixedly connected with the end part of the second screw rod (46), and the input end of the third motor (47) is electrically connected with the output end of the PLC (11).

4. A printed circuit board drilling machine capable of improving the accuracy of drilling according to claim 2, wherein: still include telescopic link (5) and spring (51), the one end fixed connection of telescopic link (5) is in the inside one side of underframe (31), and the other end of telescopic link (5) and the side fixed connection of slider (32), spring (51) cup joints on telescopic link (5).

5. A printed circuit board drilling machine capable of improving the accuracy of drilling according to claim 1, wherein: the adjusting assembly (6) comprises a middle groove (61), a screw rod (62), an installation seat (63), a bedplate (64) and ejector pins (65), wherein the middle groove (61) is formed in the middle of the surface of the stand (1), the screw rod (62) is rotatably connected into the middle groove (61), the installation seat (63) is in threaded connection with the screw rod (62), the installation seat (63) is in sliding connection with the middle groove (61), the bedplate (64) is fixedly connected onto the installation seat (63), and the ejector pins (65) are uniformly arranged on the surface of the bedplate (64).

6. The printed circuit board drilling machine capable of improving the drilling accuracy as claimed in claim 5, wherein: adjusting part (6) still include fourth motor (66), the side of stand (1) is located in fourth motor (66), the output shaft of fourth motor (66) and the tip fixed connection of screw rod (62), and the input of fourth motor (66) is connected with the output electricity of PLC controller (11).