CN211378387U - Wiring device for preventing back drilling deviation - Google Patents
Wiring device for preventing back drilling deviation Download PDFInfo
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- CN211378387U CN211378387U CN201922037986.0U CN201922037986U CN211378387U CN 211378387 U CN211378387 U CN 211378387U CN 201922037986 U CN201922037986 U CN 201922037986U CN 211378387 U CN211378387 U CN 211378387U
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Abstract
The utility model provides a prevent back drilling skew wiring arrangement. The back-drill deviation prevention wiring device includes: a base; the four support rods are all fixedly arranged at the top of the base; the top plate is arranged above the base, and the bottom of the top plate is fixedly connected with the top end of the supporting rod; the first driving motor is fixedly arranged at the top of the top plate; the first circular gear is fixedly arranged on an output shaft of the first driving motor; the strip-shaped through hole is formed in the top of the top plate; the first cross rod is rotatably arranged in the strip-shaped through hole; a second circular gear. The utility model provides a prevent that back drilling skew wiring arrangement has convenient to use, can effectually drill to the PCB board, avoids appearing the drilling displacement, operates simple convenient advantage.
Description
Technical Field
The utility model relates to a PCB board technical field especially relates to a prevent back drilling skew wiring arrangement.
Background
A PCB circuit board, also called a printed circuit board, is a provider of electrical connection of electronic components, the design of the PCB circuit board is mainly a layout design, the main advantages of the circuit board are that errors of wiring and assembly are greatly reduced, the automation level and the production labor rate are improved, and in the related technology, a back drilling processing method of the PCB is disclosed, which comprises the following steps: step 1, providing a PCB substrate, step 2, drilling a through hole in the PCB substrate, step 3, plating copper on the whole PCB substrate, controlling the thickness of copper in the through hole to be 2-15 microns, step 4, plating tin on the whole PCB substrate, step 5, drilling partial hole copper on the through hole needing to be subjected to back drilling to form a back drilling hole, step 6, washing with ultrasonic waves and high-pressure water, cleaning residual drilling cuttings in the back drilling hole, step 7, etching the residual copper wire in the back drilling hole, and step 8, electroplating: electroplating the hole copper to the required requirement, controlling the thickness of the copper in the front hole of the back drill, and plating copper twice before and after the back drill, thereby effectively reducing the copper wire of the back drill, reducing the risk of hole plugging of the back drill, and improving the aperture capacity of the back drill to be within 0.25 mm.
However, the above-mentioned techniques have disadvantages that the above-mentioned structure may cause the position of the drilled hole to change after the drill moves during the drilling of the PCB board, and the drilled hole is easily deviated from a parallel line.
Therefore, it is necessary to provide a new back-drilling deviation prevention wiring device to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a convenient to use can effectually drill to the PCB board, avoids appearing the drilling displacement, and the operation is got up simple convenient prevents the back drilling skew wiring arrangement.
In order to solve the technical problem, the utility model provides a prevent that back drilling skew wiring arrangement includes: a base; the four support rods are all fixedly arranged at the top of the base; the top plate is arranged above the base, and the bottom of the top plate is fixedly connected with the top end of the supporting rod; the first driving motor is fixedly arranged at the top of the top plate; the first circular gear is fixedly arranged on an output shaft of the first driving motor; the strip-shaped through hole is formed in the top of the top plate; the first cross rod is rotatably arranged in the strip-shaped through hole; the second circular gear is fixedly sleeved on the first cross rod and meshed with the first circular gear, and the second circular gear is matched with the strip-shaped through hole; the bar-shaped block is sleeved on the first cross rod in a threaded manner, and the top and the bottom of the bar-shaped block extend out of the bar-shaped through hole; the hydraulic cylinder is fixedly arranged at the bottom of the bar-shaped block; the second driving motor is fixedly arranged on an output shaft of the hydraulic cylinder; the wiring device is fixedly arranged on the corresponding supporting rod; the placing plate is connected to the top of the base; the PCB board is placed on the top of the placing board.
Preferably, all seted up on the both sides inner wall of bar through-hole and rotated the groove, the both ends of first horizontal pole extend to two respectively and rotate the inslot, and two rotate the groove and all rotate with first horizontal pole and be connected.
Preferably, the inner walls of the two sides of the strip-shaped through hole are provided with sliding grooves, sliding blocks are arranged in the sliding grooves in a sliding mode, and one sides, close to each other, of the two sliding blocks are fixedly connected with the strip-shaped blocks.
Preferably, one side of the strip-shaped block is provided with a first through hole, the inner wall of the first through hole is provided with an internal thread, the first cross rod is provided with an external thread, and the first through hole is in threaded connection with the first cross rod.
Preferably, a bearing is arranged in the rotating groove, an outer ring of the bearing is fixedly connected with the inner wall of the corresponding rotating groove, an inner ring of the bearing is fixedly connected with the first cross rod, and a drill bit is fixedly mounted on an output shaft of the second driving motor.
Compared with the prior art, the utility model provides a prevent that back drilling skew wiring arrangement has following beneficial effect:
the utility model provides a prevent back drilling skew wiring arrangement cooperatees through first driving motor, first circular gear, second circular gear, first horizontal pole, bar-shaped piece, pneumatic cylinder, second driving motor and drill bit, can establish different drilling, the person of facilitating the use operation to the PCB board brill on same water flat line.
In order to solve the technical problem, the utility model provides a prevent that back drilling skew wiring arrangement includes: the square placing plate is fixedly installed at the top of the base, a first groove is formed in the top of the square placing plate, a second through hole is formed in the inner wall of one side of the first groove, a second cross rod is installed in the second through hole in a sliding mode, two ends of the second cross rod extend out of the second through hole, and a first clamping plate is fixedly installed at one end of the second cross rod.
Preferably, the second cross rod is sleeved with a first spring in a sliding mode, one end of the first spring is fixedly connected with the first clamping plate, and the other end of the first spring is fixedly connected with the inner wall of one side of the corresponding first groove.
Preferably, a third cross rod is fixedly mounted on the inner wall of one side, away from the first clamping plate, of the first groove, and a second clamping plate is fixedly mounted at one end, close to the first clamping plate, of the third cross rod.
Preferably, the stiffness coefficient of the first spring is in a range of 5N/m to 30N/m.
Preferably, a handle is fixedly mounted at one end, far away from the first clamping plate, of the second cross rod.
Compared with the prior art, the utility model provides a prevent that back drilling skew wiring arrangement has following beneficial effect:
the utility model provides a prevent back drilling skew wiring arrangement, under mutually supporting through first splint, second splint, first spring and second horizontal pole, can effectually fix the PCB board, the displacement appears during avoiding drilling, convenient to use person operates.
Drawings
Fig. 1 is a schematic front sectional view of a wiring device for preventing back drilling from deviating according to a first embodiment of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is an assembly view of the bar and slide of FIG. 1;
FIG. 4 is a schematic top view of the PCB shown in FIG. 1;
FIG. 5 is a schematic bottom view of the PCB shown in FIG. 1;
fig. 6 is a schematic front sectional view illustrating a second embodiment of a wiring device for preventing back drilling from deviating;
FIG. 7 is an enlarged schematic view of the portion B shown in FIG. 6;
fig. 8 is an enlarged structural view of a portion C shown in fig. 6.
Reference numbers in the figures: 1. the wire distributor comprises a base, 2, a support rod, 3, a top plate, 4, a first driving motor, 5, a first circular gear, 6, a strip-shaped through hole, 7, a first cross rod, 8, a second circular gear, 9, a strip-shaped block, 10, a hydraulic cylinder, 11, a second driving motor, 12, a wire distributor, 13, a placing plate, 14, a PCB, 15, a square placing plate, 16, a first groove, 17, a second through hole, 18, a second cross rod, 19, a first clamping plate, 20, a first spring, 21 and a second clamping plate.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Therefore, the utility model also provides a prevent back drilling skew wiring arrangement:
first embodiment
Referring to fig. 1 to 5, in a first embodiment of the present invention, a wiring device for preventing backdrilling offset includes: a base 1; the four support rods 2 are all fixedly arranged at the top of the base 1; the top plate 3 is arranged above the base 1, and the bottom of the top plate 3 is fixedly connected with the top end of the supporting rod 2; the first driving motor 4 is fixedly arranged on the top of the top plate 3; the first circular gear 5 is fixedly arranged on an output shaft of the first driving motor 4; the strip-shaped through hole 6 is formed in the top of the top plate 3; the first cross rod 7 is rotatably arranged in the strip-shaped through hole 6; the second circular gear 8 is fixedly sleeved on the first cross rod 7, the second circular gear 8 is meshed with the first circular gear 5, and the second circular gear 8 is matched with the strip-shaped through hole 6; the bar-shaped block 9 is sleeved on the first cross rod 7 in a threaded manner, and the top and the bottom of the bar-shaped block 9 extend out of the bar-shaped through hole 6; the hydraulic cylinder 10 is fixedly arranged at the bottom of the bar-shaped block 9; the second driving motor 11 is fixedly arranged on an output shaft of the hydraulic cylinder 10; the wiring device 12, the said wiring device 12 is fixedly mounted on the corresponding said support bar 2; the placing plate 13 is connected to the top of the base 1; a PCB board 14, wherein the PCB board 14 is placed on the top of the placing board 13.
All seted up on the both sides inner wall of bar through-hole 6 and rotated the groove, the both ends of first horizontal pole 7 extend to two respectively and rotate the inslot, and two rotate the groove and all rotate with first horizontal pole 7 and be connected.
All seted up the spout on the both sides inner wall of bar through-hole 6, slidable mounting has the slider in the spout, and one side that two sliders are close to each other all with bar piece 9 fixed connection.
First through-hole has been seted up to one side of bar 9, internal thread has been seted up on the inner wall of first through-hole, external screw thread has been seted up on first horizontal pole 7, first through-hole and first horizontal pole 7 threaded connection.
The rotary groove is internally provided with a bearing, the outer ring of the bearing is fixedly connected with the inner wall of the corresponding rotary groove, the inner ring of the bearing is fixedly connected with the first cross rod 7, and the output shaft of the second driving motor 11 is fixedly provided with a drill bit.
The utility model provides a prevent back drilling skew wiring arrangement's theory of operation as follows:
the first step is as follows: when the PCB 14 needs to be drilled, the PCB 14 is placed on the placing plate 13;
the second step is as follows: then, starting a first driving motor 4, wherein an output shaft of the first driving motor 4 drives a first circular gear 5 to rotate, the first circular gear 5 drives a second circular gear 8 to rotate, and the second circular gear 8 drives a first cross rod 7 to rotate in a strip-shaped through hole 6;
under the combined action of the thread, the sliding block and the sliding groove, the first cross rod 7 drives the strip-shaped block 9 to move, the strip-shaped block 9 drives the hydraulic cylinder 10 to move, and the hydraulic cylinder 10 drives the second driving motor 11 to move;
the third step: then, the hydraulic cylinder 10 is started, an output shaft of the hydraulic cylinder 10 drives the second driving motor 11 to move downwards, and after the drill bit is contacted with the PCB 14;
the fourth step: then start second driving motor 11, second driving motor 11's output shaft drives the drill bit and rotates, alright punch PCB board 14 when the drill bit rotates, set up first drilling and back drilling at PCB board 14 to accomplish this drilling work of PCB board 14.
Compared with the prior art, the utility model provides a prevent that back drilling skew wiring arrangement has following beneficial effect:
the utility model provides a prevent back drilling skew wiring arrangement cooperatees through first driving motor 4, first circular gear 5, second circular gear 8, first horizontal pole 7, bar 9, pneumatic cylinder 10, second driving motor 11 and drill bit, can bore PCB board 14 on same water flat line and establish different drilling, convenient to use person operates.
Second embodiment:
based on the wiring device for preventing back drilling offset provided by the first embodiment of the present application, the second embodiment of the present application provides another wiring device for preventing back drilling offset, the second embodiment is only a preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the individual implementation of the first embodiment.
The second embodiment of the present invention will be further explained with reference to the drawings and the following embodiments
Referring to fig. 6-8, in a second embodiment of the present invention, a wiring device for preventing backdrilling offset includes: the square placing plate 15 is fixedly installed at the top of the base 1, a first groove 16 is formed in the top of the square placing plate 15, a second through hole 17 is formed in the inner wall of one side of the first groove 16, a second cross rod 18 is installed in the second through hole 17 in a sliding mode, two ends of the second cross rod 18 extend out of the second through hole 17, and a first clamping plate 19 is fixedly installed at one end of the second cross rod 18.
The sliding sleeve is equipped with first spring 20 on second horizontal pole 18, the one end and the first splint 19 fixed connection of first spring 20, the other end and the one side inner wall fixed connection of the first recess 16 that corresponds of first spring 20.
A third cross rod is fixedly mounted on the inner wall of one side, away from the first clamping plate 19, of the first groove 16, and a second clamping plate 21 is fixedly mounted at one end, close to the first clamping plate 19, of the third cross rod.
The stiffness coefficient of the first spring 20 ranges from 5N/m to 30N/m.
A handle is fixedly arranged at one end of the second cross rod 18 far away from the first clamping plate 19.
The utility model provides a prevent back drilling skew wiring arrangement's theory of operation as follows:
the first step is as follows: when the PCB 14 needs to be fixed, the handle is pulled first, the handle drives the second cross rod 18 to move, the second cross rod 18 drives the first clamping plate 19 to move, and the first clamping plate 19 drives the first spring 20 to move;
at this time, the first spring 20 will be compressed to generate an elastic force, and then the PCB board 14 is placed in the first groove 16 after the first clamping plate 19 is moved to a certain distance;
the second step is as follows: the handle is loosened, under the elastic force action of the first spring 20, the first clamping plate 19 and the second clamping plate 21 are matched with each other, the PCB 14 can be effectively fixed, and drilling deviation caused by movement of the PCB 14 when the PCB 14 is drilled is avoided, so that the fixing work of the PCB 14 at this time is completed.
Compared with the prior art, the utility model provides a prevent that back drilling skew wiring arrangement has following beneficial effect:
the utility model provides a prevent back drilling skew wiring arrangement, under mutually supporting through first splint 19, second splint 21, first spring 20 and second horizontal pole 18, can effectually fix PCB board 14, the displacement appears during avoiding drilling, convenient to use person operates.
It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of this design principle, the settings of the power mechanism and the control system of the device are not completely described, and those skilled in the art can clearly know the specifics of the power mechanism and the control system thereof on the premise that those skilled in the art understand the principle of the present invention.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (10)
1. A backdrilling offset prevention wiring device, comprising:
a base;
the four support rods are all fixedly arranged at the top of the base;
the top plate is arranged above the base, and the bottom of the top plate is fixedly connected with the top end of the supporting rod;
the first driving motor is fixedly arranged at the top of the top plate;
the first circular gear is fixedly arranged on an output shaft of the first driving motor;
the strip-shaped through hole is formed in the top of the top plate;
the first cross rod is rotatably arranged in the strip-shaped through hole;
the second circular gear is fixedly sleeved on the first cross rod and meshed with the first circular gear, and the second circular gear is matched with the strip-shaped through hole;
the bar-shaped block is sleeved on the first cross rod in a threaded manner, and the top and the bottom of the bar-shaped block extend out of the bar-shaped through hole;
the hydraulic cylinder is fixedly arranged at the bottom of the bar-shaped block;
the second driving motor is fixedly arranged on an output shaft of the hydraulic cylinder;
the wiring device is fixedly arranged on the corresponding supporting rod;
the placing plate is connected to the top of the base;
the PCB board is placed on the top of the placing board.
2. The wiring device for preventing back drilling offset as claimed in claim 1, wherein the inner walls of the two sides of the strip-shaped through hole are respectively provided with a rotating groove, two ends of the first cross bar respectively extend into the two rotating grooves, and the two rotating grooves are both rotatably connected with the first cross bar.
3. The wiring device for preventing back drilling offset according to claim 1, wherein sliding grooves are formed in the inner walls of the two sides of the strip-shaped through hole, sliding blocks are slidably mounted in the sliding grooves, and one sides of the two sliding blocks, which are close to each other, are fixedly connected with the strip-shaped block.
4. The wiring device for preventing back drilling offset as claimed in claim 1, wherein a first through hole is formed at one side of the bar-shaped block, an internal thread is formed on an inner wall of the first through hole, an external thread is formed on the first cross bar, and the first through hole is in threaded connection with the first cross bar.
5. The wiring device for preventing back drilling deviation according to claim 2, wherein a bearing is arranged in the rotating groove, an outer ring of the bearing is fixedly connected with an inner wall of the corresponding rotating groove, an inner ring of the bearing is fixedly connected with the first cross bar, and a drill bit is fixedly arranged on an output shaft of the second driving motor.
6. The wiring device for preventing back drilling offset as claimed in claim 1, wherein a square placing plate is fixedly installed on the top of the base, a first groove is formed on the top of the square placing plate, a second through hole is formed on an inner wall of one side of the first groove, a second cross rod is slidably installed in the second through hole, two ends of the second cross rod extend out of the second through hole, and a first clamping plate is fixedly installed at one end of the second cross rod.
7. The back drill deviation prevention wiring device as claimed in claim 6, wherein a first spring is slidably sleeved on the second cross bar, one end of the first spring is fixedly connected with the first clamping plate, and the other end of the first spring is fixedly connected with one side inner wall of the corresponding first groove.
8. The back drill deviation prevention wiring device as claimed in claim 6, wherein a third cross bar is fixedly mounted on an inner wall of a side of the first groove far away from the first clamping plate, and a second clamping plate is fixedly mounted on an end of the third cross bar close to the first clamping plate.
9. The backdrilling-offset-prevention wiring device of claim 7, wherein the stiffness coefficient of the first spring is in a range of 5N/m to 30N/m.
10. The backdrill deviation prevention wiring device of claim 6 wherein a handle is fixedly mounted to an end of the second cross bar remote from the first clamping plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922037986.0U CN211378387U (en) | 2019-11-22 | 2019-11-22 | Wiring device for preventing back drilling deviation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922037986.0U CN211378387U (en) | 2019-11-22 | 2019-11-22 | Wiring device for preventing back drilling deviation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211378387U true CN211378387U (en) | 2020-08-28 |
Family
ID=72153157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922037986.0U Active CN211378387U (en) | 2019-11-22 | 2019-11-22 | Wiring device for preventing back drilling deviation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211378387U (en) |
-
2019
- 2019-11-22 CN CN201922037986.0U patent/CN211378387U/en active Active
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