CN109688706B - Drilling machine for back drilling of PCB - Google Patents
Drilling machine for back drilling of PCB Download PDFInfo
- Publication number
- CN109688706B CN109688706B CN201811590852.5A CN201811590852A CN109688706B CN 109688706 B CN109688706 B CN 109688706B CN 201811590852 A CN201811590852 A CN 201811590852A CN 109688706 B CN109688706 B CN 109688706B
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- CN
- China
- Prior art keywords
- sliding
- drilling
- plate
- springs
- sliding rods
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005553 drilling Methods 0.000 title claims abstract description 58
- 238000003825 pressing Methods 0.000 claims abstract description 37
- 230000002441 reversible effect Effects 0.000 claims description 3
- 230000010354 integration Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0011—Working of insulating substrates or insulating layers
- H05K3/0044—Mechanical working of the substrate, e.g. drilling or punching
- H05K3/0047—Drilling of holes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/02—Details related to mechanical or acoustic processing, e.g. drilling, punching, cutting, using ultrasound
- H05K2203/0214—Back-up or entry material, e.g. for mechanical drilling
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention provides a drilling machine for back drilling of a PCB. The drilling machine for back drilling of the PCB comprises two support plates; the mounting plates are fixedly arranged at the tops of the two supporting plates; the two first sliding rods are fixedly arranged at the top of the mounting plate; the pressing plate is slidably arranged on the two first sliding rods; the two fixing blocks are respectively and fixedly arranged at the top ends of the corresponding first sliding rods; the two first springs are respectively sleeved on the corresponding first sliding rods in a sliding manner, the top ends of the first springs are fixedly connected with the fixed blocks, and the bottom ends of the first springs are fixedly connected with the pressing plates; two second slide bars. The drilling machine for the back drilling of the PCB has the advantages of convenience in use, integration of fixing and drilling, small size and high degree of automation.
Description
Technical Field
The invention relates to the field of PCB drilling, in particular to a drilling machine for back drilling of a PCB.
Background
The Chinese name of the PCB is printed circuit board, also called printed circuit board, is an important electronic component, is a support body of the electronic component, is a carrier for electric connection of the electronic component, is a PCB plate making process, is also an important step, and mainly is to punch the PCB, and because of wiring or structure requirement, holes are drilled or positioning is performed, in the prior art, the back of the PCB is drilled through a drilling machine.
However, the traditional PCB drilling machine is fixed and mutually separated in the use process, has large volume and high manufacturing cost, and simultaneously, needs to manually lift the drill bit, and has low drilling efficiency.
Therefore, there is a need to provide a new drilling machine for back drilling of PCB boards to solve the above technical problems.
Disclosure of Invention
The technical problem solved by the invention is to provide the drilling machine for the back drilling of the PCB, which is convenient to use, integrated in fixation and drilling, small in size and high in automation degree.
In order to solve the technical problems, the drilling machine for back drilling of a PCB provided by the invention comprises: two support plates; the mounting plates are fixedly arranged at the tops of the two supporting plates; the two first sliding rods are fixedly arranged at the top of the mounting plate; the pressing plate is slidably arranged on the two first sliding rods; the two fixing blocks are respectively and fixedly arranged at the top ends of the corresponding first sliding rods; the two first springs are respectively sleeved on the corresponding first sliding rods in a sliding manner, the top ends of the first springs are fixedly connected with the fixed blocks, and the bottom ends of the first springs are fixedly connected with the pressing plates; the two second sliding rods are symmetrically and fixedly arranged at the top of the pressing plate; the fixed plates are slidably arranged on the two second sliding rods; the two second springs are respectively sleeved on the corresponding second sliding rods in a sliding manner, the top ends of the second springs are fixedly connected with the fixed plate, and the bottom ends of the second springs are fixedly connected with the pressing plate; the first motor is fixedly arranged at the bottom of the fixed plate; the drill bit is fixedly arranged on the output shaft of the first motor; the through hole is formed in the top of the pressing plate; the groove is formed in the top of the mounting plate; the support rod is fixedly arranged at the top of the fixed plate; and the lifting mechanism is fixedly arranged on the mounting plate.
Preferably, the elevating system includes internal thread pipe, threaded rod, first belt pulley, second motor, second belt pulley, belt, pivot, stopper, gag lever post, installation piece and horizontal pole, the internal thread pipe rotates and installs on the mounting panel, just the bottom of internal thread pipe runs through the mounting panel, threaded rod screw thread installs in the internal thread pipe, just the both ends of threaded rod all extend to outside the internal thread pipe, first belt pulley fixed cover is established on the internal thread pipe, second motor fixed mounting is in the bottom of mounting panel, second belt pulley fixed mounting is in on the output shaft of second motor, the belt cover is established on first belt pulley and the second belt pulley, pivot fixed mounting is in the top of threaded rod, stopper fixed mounting is in one side of pivot, gag lever post fixed mounting is in the top of mounting panel, just the gag lever post runs through stopper and with stopper sliding connection, the installation piece rotates and installs on the pivot, horizontal pole, fixed mounting is in one side of installation piece, and top and horizontal pole.
Preferably, the mounting plate is provided with a first rotating hole, and the inner wall of the first rotating hole is rotationally connected with the internal thread pipe.
Preferably, a second rotating hole is formed in the top of the mounting block, and the inner wall of the second rotating hole is rotationally connected with the rotating shaft.
Preferably, two first sliding holes are symmetrically formed in the top of the pressing plate, and the inner walls of the first sliding holes are in sliding connection with the corresponding first sliding rods.
Preferably, two second sliding holes are symmetrically formed in the top of the fixing plate, and the inner wall of each second sliding hole is in sliding connection with the second sliding rod.
Preferably, a third sliding hole is formed in the top of the limiting block, and the inner wall of the third sliding hole is in sliding connection with the limiting rod.
Preferably, a motor seat is fixedly arranged at the bottom of the mounting plate, and the motor seat is fixedly connected with the second motor.
Preferably, the stiffness coefficient of the first spring is 2N/m-3N/m, and the stiffness coefficient of the second spring is 3N/m-5N/m.
Preferably, one side of the supporting plate is fixedly provided with a reversing switch, and the model of the reversing switch is HY23-132.
Compared with the related art, the drilling machine for the back drilling of the PCB has the following beneficial effects:
The invention provides a drilling machine for back drilling of a PCB (printed circuit board), wherein two first sliding rods are fixedly arranged at the top of a mounting plate, a pressing plate is slidably arranged on the two first sliding rods, two fixing blocks are respectively and fixedly arranged at the top ends of the corresponding first sliding rods, two first springs are respectively and slidably sleeved on the corresponding first sliding rods, the top ends of the first springs are fixedly connected with the fixing blocks, the bottom ends of the first springs are fixedly connected with the pressing plate, so that the pressing plate can move up and down, two second sliding rods are symmetrically and fixedly arranged at the top of the pressing plate, the fixing plate is slidably arranged on the two second sliding rods, the two second springs are respectively and fixedly sleeved on the corresponding second sliding rods, the top ends of the second springs are fixedly connected with the fixing plate, the bottom ends of the second springs are fixedly connected with the pressing plate, a first motor is fixedly arranged at the bottom of the fixing plate, and the first motor is fixedly arranged at the bottom of the fixing plate, and then the first motor is fixedly arranged on the fixing plate, so that a drilling machine can be automatically lifted and installed on the mounting plate, and the drilling machine can be automatically lifted and fixed on the drilling machine.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of a drilling machine for back drilling a PCB board according to the present invention;
FIG. 2 is a schematic side cross-sectional view of the structure shown in FIG. 1;
FIG. 3 is an enlarged schematic view of portion A shown in FIG. 1;
FIG. 4 is an enlarged schematic view of portion B shown in FIG. 2;
fig. 5 is a schematic top view of the platen shown in fig. 1.
Reference numerals in the drawings: 1. the device comprises a supporting plate, 2, a mounting plate, 3, a first sliding rod, 4, a pressing plate, 5, a fixed block, 6, a first spring, 7, a second sliding rod, 8, a fixed plate, 9, a second spring, 10, a first motor, 11, a drill bit, 12, a through hole, 13, a groove, 14, a supporting rod, 15, an internal thread pipe, 16, a threaded rod, 17, a first belt pulley, 18, a second motor, 19, a second belt pulley, 20, a belt, 21, a rotating shaft, 22, a limiting block, 23, a limiting rod, 24, a mounting block, 25 and a cross rod.
Detailed Description
The invention will be further described with reference to the drawings and embodiments.
Examples
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, fig. 1 is a schematic structural diagram of a preferred embodiment of a drilling machine for back drilling a PCB board according to the present invention; FIG. 2 is a schematic side cross-sectional view of the structure shown in FIG. 1; FIG. 3 is an enlarged schematic view of portion A shown in FIG. 1; FIG. 4 is an enlarged schematic view of portion B shown in FIG. 2; fig. 5 is a schematic top view of the platen shown in fig. 1. A drilling machine for PCB board back drilling includes: two support plates 1; the mounting plates 2 are fixedly arranged at the tops of the two support plates 1; two first sliding rods 3, wherein the two first sliding rods 3 are fixedly arranged on the top of the mounting plate 2; a pressing plate 4, wherein the pressing plate 4 is slidably mounted on the two first sliding rods 3; the two fixing blocks 5 are respectively fixedly arranged at the top ends of the corresponding first sliding rods 3; the two first springs 6 are respectively sleeved on the corresponding first sliding rods 3 in a sliding manner, the top ends of the first springs 6 are fixedly connected with the fixed blocks 5, and the bottom ends of the first springs 6 are fixedly connected with the pressing plates 4; two second sliding rods 7, wherein the two second sliding rods 7 are symmetrically and fixedly arranged at the top of the pressing plate 4; a fixed plate 8, the fixed plate 8 being slidably mounted on the two second slide bars 7; the two second springs 9 are respectively sleeved on the corresponding second sliding rods 7 in a sliding manner, the top ends of the second springs 9 are fixedly connected with the fixed plates 8, and the bottom ends of the second springs 9 are fixedly connected with the pressing plates 4; a first motor 10, wherein the first motor 10 is fixedly arranged at the bottom of the fixed plate 8; a drill bit 11, wherein the drill bit 11 is fixedly installed on an output shaft of the first motor 10; a through hole 12, wherein the through hole 12 is formed at the top of the pressing plate 4; a groove 13, wherein the groove 13 is formed at the top of the mounting plate 2; a support bar 14, wherein the support bar 14 is fixedly arranged on the top of the fixed plate 8; and the lifting mechanism is fixedly arranged on the mounting plate 2.
The lifting mechanism comprises an internal thread pipe 15, a threaded rod 16, a first belt pulley 17, a second motor 18, a second belt pulley 19, a belt 20, a rotating shaft 21, a limiting block 22, a limiting rod 23, an installation block 24 and a cross rod 25, wherein the internal thread pipe 15 is rotatably installed on the installation plate 2, the bottom end of the internal thread pipe 15 penetrates through the installation plate 2, the threaded rod 16 is installed in the internal thread pipe 15 in a threaded manner, the two ends of the threaded rod 16 extend out of the internal thread pipe 15, the first belt pulley 17 is fixedly sleeved on the internal thread pipe 15, the second motor 18 is fixedly installed on the bottom of the installation plate 2, the second belt pulley 19 is fixedly installed on an output shaft of the second motor 18, the belt 20 is sleeved on the first belt pulley 17 and the second belt pulley 19, the rotating shaft 21 is fixedly installed on the top end of the threaded rod 16, the limiting block 22 is fixedly installed on one side of the rotating shaft 21, the limiting rod 23 is fixedly installed on the top of the installation plate 2, the limiting rod 23 penetrates through the limiting block 22 and penetrates through the limiting block 22, the second belt pulley 24 is fixedly installed on one side of the cross rod 25, and is fixedly connected with the cross rod 25, and the cross rod is fixedly installed on one side of the rotating block 24.
The mounting plate 2 is provided with a first rotating hole, and the inner wall of the first rotating hole is rotationally connected with the internal thread pipe 15.
The top of the mounting block 24 is provided with a second rotating hole, and the inner wall of the second rotating hole is rotationally connected with the rotating shaft 21.
Two first sliding holes are symmetrically formed in the top of the pressing plate 4, and the inner walls of the first sliding holes are in sliding connection with the corresponding first sliding rods 3.
Two second sliding holes are symmetrically formed in the top of the fixed plate 8, and the inner walls of the second sliding holes are in sliding connection with the second sliding rods 7.
A third sliding hole is formed in the top of the limiting block 22, and the inner wall of the third sliding hole is in sliding connection with the limiting rod 23.
The bottom of mounting panel 2 is fixed mounting has the motor cabinet, motor cabinet and second motor 18 fixed connection.
The stiffness coefficient of the first spring 6 is 2N/m-3N/m, and the stiffness coefficient of the second spring 9 is 3N/m-5N/m.
One side of the supporting plate 1 is fixedly provided with a reversing switch, and the model of the reversing switch is HY23-132.
In this embodiment, the first motor 10, the second motor 18, the reversible switch and the external power supply are electrically connected in sequence through wires to form a closed loop, when in use, the PCB board is placed between the mounting plate 2 and the pressing plate 4, the second motor 18 is started, the second motor 18 drives the second belt pulley 19 to rotate, the second belt pulley 19 drives the first belt pulley 17 to rotate through the belt 20, the first belt pulley 17 drives the internal threaded tube 15 to rotate, the internal threaded tube 15 drives the threaded rod 16 to move downwards, the rotating shaft 21 moves downwards, the mounting block 24 is pulled to move downwards, the mounting block 24 drives the cross rod 25 and the supporting rod 14 to move downwards, the fixing plate 8 is pushed to move downwards, under the action of the elastic force of the second spring 9, the fixing plate 8 pushes the pressing plate 4 to move downwards, when the pressing plate 4 presses the PCB board, the fixing plate 8 continues to move downwards, the second spring 9 is compressed, the first motor 10 is driven to move downwards, the drill bit 11 is driven to pass through the through hole 12 to contact the PCB board, at this time, the first spring 6 is in a stretching state, after the drilling is finished, the second motor 18 is reversely rotated, the first motor 10 is driven to move upwards, the fixing plate 10 moves downwards, the fixing plate 6 moves downwards, and the pressing plate 4 is pulled downwards under the action of the first spring 6, and the pressing plate is pulled.
Compared with the related art, the drilling machine for the back drilling of the PCB has the following beneficial effects:
The invention provides a drilling machine for back drilling of a PCB (printed circuit board), wherein two first sliding rods 3 are fixedly arranged at the top of a mounting plate 2, a pressing plate 4 is slidably arranged on the two first sliding rods 3, two fixed blocks 5 are respectively and fixedly arranged at the top ends of the corresponding first sliding rods 3, two first springs 6 are respectively and slidably sleeved on the corresponding first sliding rods 3, the top ends of the first springs 6 are fixedly connected with the fixed blocks 5, the bottom ends of the first springs 6 are fixedly connected with the pressing plate 4, so that the pressing plate 4 moves up and down, two second sliding rods 7 are symmetrically and fixedly arranged at the top of the pressing plate 4, a fixed plate 8 is slidably arranged on the two second sliding rods 7, two second springs 9 are respectively and slidably sleeved on the corresponding second sliding rods 7, the top ends of the second springs 9 are fixedly connected with the fixed plate 8, the bottom ends of the second springs 9 are fixedly connected with a motor, the bottom ends of the second springs 9 are fixedly connected with the pressing plate 4, the motor 10 is fixedly arranged on the bottom of the first lifting device, and then the lifting device can be fixedly arranged at the bottom of the mounting plate 2, and the lifting device can be fixedly arranged at the bottom of the drilling machine.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (8)
1. A drilling machine for a PCB backing drill, comprising:
Two support plates;
The mounting plates are fixedly arranged at the tops of the two supporting plates;
The two first sliding rods are fixedly arranged at the top of the mounting plate;
the pressing plate is slidably arranged on the two first sliding rods;
The two fixing blocks are respectively and fixedly arranged at the top ends of the corresponding first sliding rods;
The two first springs are respectively sleeved on the corresponding first sliding rods in a sliding manner, the top ends of the first springs are fixedly connected with the fixed blocks, and the bottom ends of the first springs are fixedly connected with the pressing plates;
The two second sliding rods are symmetrically and fixedly arranged at the top of the pressing plate;
the fixed plates are slidably arranged on the two second sliding rods;
the two second springs are respectively sleeved on the corresponding second sliding rods in a sliding manner, the top ends of the second springs are fixedly connected with the fixed plate, and the bottom ends of the second springs are fixedly connected with the pressing plate;
the first motor is fixedly arranged at the bottom of the fixed plate;
The drill bit is fixedly arranged on the output shaft of the first motor;
The through hole is formed in the top of the pressing plate;
the groove is formed in the top of the mounting plate;
The support rod is fixedly arranged at the top of the fixed plate;
The lifting mechanism is fixedly arranged on the mounting plate;
The lifting mechanism comprises an internal thread pipe, a threaded rod, a first belt pulley, a second motor, a second belt pulley, a belt, a rotating shaft, a limiting block, a limiting rod, a mounting block and a cross rod, wherein the internal thread pipe is rotatably mounted on the mounting plate, the bottom end of the internal thread pipe penetrates through the mounting plate, the threaded rod is in threaded mounting in the internal thread pipe, both ends of the threaded rod extend out of the internal thread pipe, the first belt pulley is fixedly sleeved on the internal thread pipe, the second motor is fixedly mounted at the bottom of the mounting plate, the second belt pulley is fixedly mounted on an output shaft of the second motor, the belt is sleeved on the first belt pulley and the second belt pulley, the rotating shaft is fixedly mounted at the top end of the threaded rod, the limiting block is fixedly mounted at one side of the rotating shaft, the limiting rod penetrates through the limiting block and is in sliding connection with the limiting block, the mounting block is rotatably mounted on the rotating shaft, the cross rod is fixedly mounted at one side of the mounting block, and the top end of the cross rod is fixedly connected with the supporting rod;
The mounting plate is provided with a first rotating hole, and the inner wall of the first rotating hole is rotationally connected with the internal thread pipe.
2. The drilling machine for back drilling of a PCB board according to claim 1, wherein the top of the mounting block is provided with a second rotation hole, and an inner wall of the second rotation hole is rotatably connected with the rotation shaft.
3. The drilling machine for back drilling of the PCB according to claim 1, wherein the top of the pressing plate is symmetrically provided with two first sliding holes, and the inner walls of the first sliding holes are in sliding connection with the corresponding first sliding rods.
4. The drilling machine for back drilling of the PCB according to claim 1, wherein the top of the fixed plate is symmetrically provided with two second sliding holes, and the inner wall of each second sliding hole is in sliding connection with the second sliding rod.
5. The drilling machine for back drilling of the PCB according to claim 1, wherein a third sliding hole is formed in the top of the limiting block, and the inner wall of the third sliding hole is in sliding connection with the limiting rod.
6. The drilling machine for back drilling of a PCB board according to claim 1, wherein a motor base is fixedly installed at the bottom of the mounting plate, and the motor base is fixedly connected with the second motor.
7. The drilling machine for back drilling of PCB boards according to claim 1, characterized in that the stiffness coefficient of the first spring is 2N/m-3N/m and the stiffness coefficient of the second spring is 3N/m-5N/m.
8. The drilling machine for back drilling of a PCB board according to claim 1, wherein a reversible switch is fixedly installed at one side of the supporting plate, and the reversible switch is of the type HY23-132.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811590852.5A CN109688706B (en) | 2018-12-21 | 2018-12-21 | Drilling machine for back drilling of PCB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811590852.5A CN109688706B (en) | 2018-12-21 | 2018-12-21 | Drilling machine for back drilling of PCB |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109688706A CN109688706A (en) | 2019-04-26 |
| CN109688706B true CN109688706B (en) | 2024-05-17 |
Family
ID=66189254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811590852.5A Active CN109688706B (en) | 2018-12-21 | 2018-12-21 | Drilling machine for back drilling of PCB |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109688706B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112996253B (en) * | 2021-02-24 | 2022-05-17 | 奥士康科技股份有限公司 | Method for solving convex points on board edge of gong board |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206925354U (en) * | 2017-05-10 | 2018-01-26 | 陈敏 | A kind of electric mechanical circuit board perforating device |
| CN207447412U (en) * | 2017-11-24 | 2018-06-05 | 天津拓锐精密工具有限公司 | Convenient for the boring drill bit of fixed plate |
| CN208246980U (en) * | 2018-03-09 | 2018-12-18 | 昆山市线路板厂 | A kind of flexible electric circuit board aperture drilling machine |
| CN209693179U (en) * | 2018-12-21 | 2019-11-26 | 奥士康科技股份有限公司 | Drilling machine for pcb board back drill |
-
2018
- 2018-12-21 CN CN201811590852.5A patent/CN109688706B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206925354U (en) * | 2017-05-10 | 2018-01-26 | 陈敏 | A kind of electric mechanical circuit board perforating device |
| CN207447412U (en) * | 2017-11-24 | 2018-06-05 | 天津拓锐精密工具有限公司 | Convenient for the boring drill bit of fixed plate |
| CN208246980U (en) * | 2018-03-09 | 2018-12-18 | 昆山市线路板厂 | A kind of flexible electric circuit board aperture drilling machine |
| CN209693179U (en) * | 2018-12-21 | 2019-11-26 | 奥士康科技股份有限公司 | Drilling machine for pcb board back drill |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109688706A (en) | 2019-04-26 |
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