CN117733961B - Deviation-preventing drilling device and drilling method based on circuit board production - Google Patents
Deviation-preventing drilling device and drilling method based on circuit board production Download PDFInfo
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- CN117733961B CN117733961B CN202410181931.XA CN202410181931A CN117733961B CN 117733961 B CN117733961 B CN 117733961B CN 202410181931 A CN202410181931 A CN 202410181931A CN 117733961 B CN117733961 B CN 117733961B
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- 238000005553 drilling Methods 0.000 title claims abstract description 73
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000003825 pressing Methods 0.000 claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000007547 defect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000004080 punching Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000005336 cracking Methods 0.000 description 1
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- 238000010030 laminating Methods 0.000 description 1
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Abstract
The invention discloses an anti-deviation drilling device and a drilling method based on circuit board production, and belongs to the technical field of circuit board drilling. Including the support frame, still include: the first sliding groove is formed in the bottom of the support frame, a first sliding block is connected in the first sliding groove in a sliding mode, the bottom of the first sliding block is fixedly connected with a first support plate through a support rod, and a first spring is fixedly connected between the first support plate and the support frame; the air cylinder is fixedly connected to the bottom of the first supporting plate, the output end of the air cylinder is fixedly connected with the second supporting plate, the bottom of the second supporting plate is fixedly connected with the motor, and the output end of the motor is fixedly connected with the drill bit; the telescopic rod is fixedly connected to the surface of the support frame, the free end of the telescopic rod is fixedly connected with the pressing plate, and a through hole is formed in the surface of the pressing plate; the power mechanism arranged on the first sliding block can enable the part at the drilling position to be reliably supported during drilling by pressing the circuit board in the drilling process, so that the drilling quality is improved, and the slipping phenomenon is reduced.
Description
Technical Field
The invention relates to the technical field of circuit board drilling, in particular to an anti-deviation drilling device and a drilling method based on circuit board production.
Background
The circuit board is also called a PCB, is an important electronic component, is a support body of an electronic component, is also a carrier for electric connection of the electronic component, enables a circuit to be miniaturized and visualized, and plays an important role in mass production of a fixed circuit and optimizing layout of an electrical appliance.
The operation that the circuit board need be drilled in the in-process of production, current circuit board drilling equipment generally carries out the centre gripping through anchor clamps and fixes the work piece of drilling, but when using anchor clamps to carry out circuit board fixation, the part of its drilling position can not have reliable support when punching, causes when punching, and the position of punching damages easily, and when drilling goes on, the phenomenon that the drilling rod easily takes place to slide to the position that makes the drilling produces the phenomenon of off tracking easily, consequently, need improve it.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, a circuit board drilling device clamps and fixes a drilled workpiece generally through a clamp, a part of a drilling position cannot be reliably supported during drilling, so that the drilling position is easy to damage during drilling, and a drill rod is easy to slip during drilling, so that the drilling position is easy to deviate.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
Deviation-preventing drilling device based on circuit board production, comprising a supporting frame and further comprising: the first sliding groove is formed in the bottom of the support frame, a first sliding block is connected in the first sliding groove in a sliding mode, a support rod is fixedly connected to the bottom of the first sliding block, a first support plate is fixedly connected to the bottom of the support rod, and a first spring is fixedly connected between the first support plate and the support frame; the air cylinder is fixedly connected to the bottom of the first supporting plate, the output end of the air cylinder is fixedly connected with the second supporting plate, the bottom of the second supporting plate is fixedly connected with the motor, and the output end of the motor is fixedly connected with the drill bit; the telescopic rod is fixedly connected to the surface of the support frame, the free end of the telescopic rod is fixedly connected with a pressing plate, a through hole is formed in the surface of the pressing plate, and the through hole is matched with the drill bit; and the power mechanism is arranged on the first sliding block and is used for driving the pressing plate to move.
For conveniently driving the pressing plate to move, preferably, the power mechanism comprises a first rack fixedly connected with the side wall of the first sliding block, the surface of the supporting frame is rotationally connected with a first rotating rod, the outer wall of the first rotating rod is fixedly connected with a first gear, the surface of the pressing plate is fixedly connected with a second rack, and the first rack and the second rack are mutually meshed with the first gear.
To facilitate the unidirectional movement of the second rack, further, the method further comprises: the surface of the supporting frame is rotationally connected with a second bevel gear and a third bevel gear, the third bevel gear is coaxial with the first bevel gear, and the first bevel gear and the third bevel gear are meshed with the second bevel gear; the second rotating rod is rotationally connected to the surface of the supporting frame, a first ratchet wheel, a second ratchet wheel and a second gear are fixedly connected to the outer wall of the second rotating rod, the directions of the first ratchet wheel and the second ratchet wheel are the same, the second gear and the second rack are meshed with each other, supporting blocks are fixedly connected to the surfaces of the first bevel gear and the third bevel gear, a second sliding groove is formed in the bottom of each supporting block, a pawl is connected to the second sliding groove in a sliding mode, and a second spring is fixedly connected between each pawl and each supporting block; and the switching mechanism is arranged on the pressing plate and used for switching the position of the second rack.
In order to facilitate the movement and the resetting of the pressing plate, a third spring is fixedly connected between the pressing plate and the supporting frame.
In order to facilitate the position conversion of the second rack, further, the conversion mechanism comprises a third chute arranged on the side wall of the pressing plate, a second sliding block is connected in the third chute in a sliding manner, a clamping groove is formed in the surface of the second sliding block, a clamping column is connected to the surface of the pressing plate in a sliding manner, a fourth spring is fixedly connected between the clamping column and the pressing plate, and the clamping column is matched with the clamping groove.
In order to improve stability of the second rack conveniently, further, the second sliding block is T-shaped.
In order to conveniently reduce the phenomenon of deviation of the drill bit, preferably, the outer wall fixedly connected with carousel of drill bit, the outer wall rotation of carousel is connected with first ball, open the bottom of second backup pad has the fourth spout, sliding connection has first grip block and second grip block in the fourth spout, open flutedly at the lateral wall of first grip block, first ball roll connection is in the recess, wherein, be provided with adjustment mechanism in the second backup pad, adjustment mechanism is used for driving first grip block and second grip block and carries out relative movement.
For conveniently driving first grip block and second grip block to carry out relative movement, still further, adjustment mechanism is including rotating the first threaded rod of connecting second backup pad lateral wall, the one end fixedly connected with knob of first threaded rod, the other end fixedly connected with second threaded rod of first threaded rod, the screw thread opposite direction of second threaded rod and first threaded rod, first threaded rod and first grip block threaded connection, second threaded rod and second grip block threaded connection.
In order to facilitate correcting a deviation of a drill bit, further, the side walls of the first clamping plate and the second clamping plate are all connected with push rods in a sliding mode, the bottoms of the first clamping plate and the second clamping plate are all connected with abutting rods in a sliding mode, one ends of the abutting rods and the push rods are all fixedly connected with piston plates, the other ends of the abutting rods and the push rods are rotationally connected with second balls, piston cavities are formed in the inner walls of the first clamping plate and the second clamping plate, fifth springs are fixedly connected to the piston plates, the piston plates are connected in the piston cavities in a sliding mode, a hose is symmetrically and fixedly connected between the first clamping plate and the second clamping plate, one ends of the hose correspond to the abutting rods, and the other ends of the hose correspond to the push rods.
A deviation-preventing drilling method for circuit board production comprises the following operation steps:
Step one: pressing the circuit board and positioning the hole positions;
Step two: drilling a circuit board;
step three: when the drill moves to the defect of the inner layer of the circuit board, the pressing force on the circuit board is improved;
Step four: and when the drill bit is deviated, performing deviation correcting operation on the drill bit.
Compared with the prior art, the invention provides the anti-deviation drilling device for producing the circuit board, which has the following beneficial effects:
1. This prevent off tracking drilling equipment based on circuit board production is with pressing the board bottom through placing the circuit board, then start the cylinder and make drill bit and circuit board offset, at this in-process, drill bit and through-hole coaxial line, the effect of location is played to the through-hole, make the pressing plate press down the circuit board under the effect of contradicting force, the position of the fixed circuit board of centre gripping, then start motor and cylinder, carry out drilling operation to the circuit board, through pressing the circuit board at the in-process of drilling, can make the part of drilling position have reliable support when punching, drilling quality has been improved, the phenomenon of skidding appears in the reduction.
2. This prevent off tracking drilling equipment based on circuit board production is with rotatory decline constantly at drilling in-process, under the conflict effect of circuit board, make the pressing plate press down the circuit board, when the drill bit removes to circuit board bubble department, the circuit board reduces the conflict power of drill bit, under the effect at first spring, make first rack downwardly moving, and then make pressing plate further push down to improve the pressure near drilling position, and then make pressing more closely between each layer of circuit board, reduce the appearance crack phenomenon, drilling quality has been improved.
3. This prevent off tracking drilling equipment based on circuit board production is fixed the position of drill bit between first grip block and second grip block before the drilling, can reduce the drill bit and appear the skew phenomenon, when the skew phenomenon appears in the drill bit, makes the conflict pole that corresponds move towards the piston chamber direction to make the piston plate push away the air current in the piston chamber in the hose, and then make the push rod of opposite one side move towards the drill bit direction, thereby under the effect of fifth spring and atmospheric pressure, correct the position of drill bit, further prevent that the drill bit from appearing the off tracking.
Drawings
Fig. 1 is a schematic structural diagram of an anti-deviation drilling device for circuit board production;
Fig. 2 is a schematic diagram of a part of a drilling device for preventing deviation for circuit board production according to the present invention;
Fig. 3 is an enlarged schematic diagram of a structure at a position a in fig. 2 based on an anti-deviation drilling device for circuit board production;
Fig. 4 is an enlarged schematic diagram of a structure at a position B in fig. 2 based on the anti-deviation drilling device for circuit board production;
Fig. 5 is a schematic diagram of a power mechanism in a deviation-preventing drilling device for circuit board production;
Fig. 6 is a schematic structural diagram of a switching mechanism in an anti-deviation drilling device for circuit board production according to the present invention;
Fig. 7 is a schematic diagram II of a part of a deviation-preventing drilling device for circuit board production;
Fig. 8 is a schematic diagram III of a part of a deviation-preventing drilling device for circuit board production.
In the figure: 1. a support frame; 101. a support rod; 102. a first chute; 103. a first slider; 104. a first support plate; 105. a cylinder; 106. a second support plate; 107. a motor; 108. a drill bit; 109. a first spring; 2. pressing the plate; 201. a through hole; 202. a first rotating lever; 203. a first gear; 204. a first rack; 205. a second rack; 206. a second gear; 3. a telescopic rod; 301. a first bevel gear; 302. a second bevel gear; 303. a third bevel gear; 304. a second rotating rod; 305. a first ratchet; 306. a second ratchet; 307. a support block; 308. a second chute; 309. a pawl; 4. a second spring; 401. a third spring; 402. a clamping groove; 403. a third chute; 404. a second slider; 405. a fourth spring; 406. a clamping column; 407. a turntable; 408. a first ball; 5. a first clamping plate; 501. a second clamping plate; 502. a first threaded rod; 503. a second threaded rod; 504. a knob; 505. a fourth chute; 506. a groove; 6. a touch-up rod; 601. a push rod; 602. a fifth spring; 603. a second ball; 604. a hose; 605. a piston plate; 606. a piston chamber.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1:
Referring to fig. 1-3 and fig. 5, an anti-deviation drilling device for circuit board production comprises a supporting frame 1, and further comprises: the first sliding groove 102 is formed in the bottom of the support frame 1, the first sliding groove 102 is connected with the first sliding block 103 in a sliding mode, the bottom of the first sliding block 103 is fixedly connected with the support rod 101, the bottom of the support rod 101 is fixedly connected with the first support plate 104, and the first spring 109 is fixedly connected between the first support plate 104 and the support frame 1; the cylinder 105 is fixedly connected to the bottom of the first supporting plate 104, the output end of the cylinder 105 is fixedly connected with the second supporting plate 106, the bottom of the second supporting plate 106 is fixedly connected with the motor 107, and the output end of the motor 107 is fixedly connected with the drill bit 108; the telescopic rod 3 is fixedly connected to the surface of the support frame 1, the free end of the telescopic rod 3 is fixedly connected with the pressing plate 2, a through hole 201 is formed in the surface of the pressing plate 2, and the through hole 201 is matched with the drill 108; and a power mechanism arranged on the first slider 103, wherein the power mechanism is used for driving the pressing plate 2 to move.
Referring to fig. 1-3 and 5, the power mechanism includes a first rack 204 fixedly connected to a side wall of the first slider 103, a first rotating rod 202 is rotatably connected to a surface of the supporting frame 1, a first gear 203 is fixedly connected to an outer wall of the first rotating rod 202, a second rack 205 is fixedly connected to a surface of the pressing plate 2, and the first rack 204 and the second rack 205 are meshed with the first gear 203.
When the circuit board is used, the circuit board is placed at the bottom of the pressing plate 2, the starting cylinder 105 drives the second supporting plate 106 to move, the second supporting plate 106 drives the drill bit 108 to move, in the process, the through hole 201 and the drill bit 108 are coaxial, the through hole 201 plays a role in positioning, when the drill bit 108 is propped against the circuit board, the first sliding block 103 moves upwards in the first sliding groove 102 under the action of the interference force until the first sliding block 103 moves to the limit position, in the process, the first sliding block 103 drives the first rack 204 to move, the first rack 204 drives the first gear 203 to rotate, the first gear 203 drives the second rack 205 to move downwards, so that the pressing plate 2 presses the circuit board downwards, the circuit board is clamped and fixed, then the motor 107 and the cylinder 105 are started, the circuit board is drilled, the part of the drilling position can be reliably supported during drilling by pressing the circuit board in the drilling process, the drilling quality is improved, and the phenomenon is reduced.
Example 2:
referring to fig. 1 to 3 and fig. 5 to 6, substantially the same as in example 1, further, a specific embodiment for unidirectionally moving the second rack 205 is added.
Since, in order to improve the density and performance of the circuit board, the circuit board is suitable for complex circuit design and high frequency application, it is often realized by laminating multiple conductive layers and insulating layers together, some circuit boards are easy to generate bubbles in the lamination process, and the bubbles do not affect the whole use of the circuit board, but when drilling holes, cracks are easy to generate at the bubbles, so as to affect the quality of subsequent tin plating in the holes, therefore, referring to fig. 1-3 and fig. 5-6, the anti-deviation drilling device for circuit board production further comprises: the surface of the support frame 1 is rotationally connected with a second bevel gear 302 and a third bevel gear 303, the third bevel gear 303 is coaxial with the first bevel gear 301, and the first bevel gear 301 and the third bevel gear 303 are meshed with the second bevel gear 302; the second rotating rod 304 is rotatably connected to the surface of the supporting frame 1, the first ratchet wheel 305, the second ratchet wheel 306 and the second gear 206 are fixedly connected to the outer wall of the second rotating rod 304, the directions of the first ratchet wheel 305 and the second ratchet wheel 306 are the same, the second gear 206 and the second rack 205 are meshed with each other, wherein the surfaces of the first bevel gear 301 and the third bevel gear 303 are fixedly connected with the supporting block 307, the bottom of the supporting block 307 is provided with the second sliding groove 308, the pawl 309 is connected to the second sliding groove 308 in a sliding manner, and the second spring 4 is fixedly connected between the pawl 309 and the supporting block 307; and a switching mechanism provided on the pressing plate 2 for switching the position of the second rack 205.
In order to facilitate the movement and the resetting of the pressing plate 2, a third spring 401 is fixedly connected between the pressing plate 2 and the supporting frame 1.
Referring to fig. 6, the conversion mechanism includes a third sliding groove 403 formed on a side wall of the pressing plate 2, a second sliding block 404 is slidably connected in the third sliding groove 403, a clamping groove 402 is formed on a surface of the second sliding block 404, a clamping column 406 is slidably connected on a surface of the pressing plate 2, a fourth spring 405 is fixedly connected between the clamping column 406 and the pressing plate 2, and the clamping column 406 and the clamping groove 402 are matched with each other.
To facilitate the improvement of the stability of the second rack 205, the second slider 404 is T-shaped.
In the drilling process, the drill 108 continuously rotates downwards, under the interference action of the circuit board, the first slider 103 moves upwards, so that the first gear 203 rotates clockwise, the first gear 203 drives the first rotating rod 202 to rotate, the first rotating rod 202 drives the first bevel gear 301 to rotate clockwise, under the interference action of the first ratchet 305, the first ratchet 305 rotates clockwise, the first ratchet 305 drives the second rotating rod 304 to rotate clockwise, the second rotating rod 304 drives the second gear 206 to rotate clockwise, the pressing plate 2 presses the circuit board downwards, in the process, the first bevel gear 301 drives the second bevel gear 302 to rotate clockwise, the second bevel gear 302 drives the third bevel gear 303 to rotate anticlockwise, and the pawl 309 and the second ratchet 306 slide relatively.
When the drill bit 108 moves to the bubble position of the circuit board, the interference force of the circuit board to the drill bit 108 is reduced, under the action of the first spring 109, the first slider 103 moves downwards, so that the first rack 204 moves downwards, the first rack 204 drives the first gear 203 to rotate anticlockwise, the first gear 203 drives the first rotating rod 202 to rotate anticlockwise, the first rotating rod 202 drives the first bevel gear 301 to rotate anticlockwise, the first bevel gear 301 drives the second bevel gear 302 to rotate anticlockwise, the second bevel gear 302 drives the third bevel gear 303 to rotate clockwise, under the interference action of the first ratchet wheel 305, the second ratchet wheel 306 rotates clockwise, the second rotating rod 304 rotates clockwise, the pressing plate 2 further presses downwards, the pressure near the drilling position is improved, the layers of the circuit board are pressed more tightly, the occurrence of cracking phenomenon is reduced, and the drilling quality is improved.
Example 3:
Referring to fig. 4 and fig. 7-8, substantially the same as example 2, further embodiments are added to reduce the occurrence of misalignment of the drill bit 108.
Referring to fig. 4 and fig. 7-8, the outer wall of the drill bit 108 is fixedly connected with a rotary table 407, the outer wall of the rotary table 407 is rotatably connected with a first ball 408, the bottom of the second supporting plate 106 is provided with a fourth chute 505, the fourth chute 505 is slidably connected with a first clamping plate 5 and a second clamping plate 501, the side wall of the first clamping plate 5 is provided with a groove 506, the first ball 408 is in rolling connection in the groove 506, and an adjusting mechanism is arranged on the second supporting plate 106 and is used for driving the first clamping plate 5 and the second clamping plate 501 to move relatively.
The adjustment mechanism includes rotating the first threaded rod 502 of connecting at second backup pad 106 lateral wall, and the one end fixedly connected with knob 504 of first threaded rod 502, the other end fixedly connected with second threaded rod 503 of first threaded rod 502, the screw thread opposite direction of second threaded rod 503 and first threaded rod 502, first threaded rod 502 and first grip block 5 threaded connection, second threaded rod 503 and second grip block 501 threaded connection.
Before drilling, the first threaded rod 502 is rotated by the hand-held knob 504, the first threaded rod 502 drives the second threaded rod 503 to rotate, so that the first clamping plate 5 and the second clamping plate 501 are close to each other, the first ball 408 rolls in the groove 506, and the deviation phenomenon of the drill 108 can be reduced by fixing the position of the drill 108 between the first clamping plate 5 and the second clamping plate 501.
Example 4:
Referring to fig. 4 and 7-8, substantially the same as example 3, further embodiments of deskewing the drill bit 108 have been added.
Referring to fig. 4 and fig. 7-8, the side walls of the first clamping plate 5 and the second clamping plate 501 are all slidably connected with a push rod 601, bottoms of the first clamping plate 5 and the second clamping plate 501 are all slidably connected with a collision rod 6, one ends of the collision rod 6 and the push rod 601 are all fixedly connected with a piston plate 605, the other ends of the collision rod 6 and the push rod 601 are rotationally connected with a second ball 603, piston cavities 606 are formed in the inner walls of the first clamping plate 5 and the second clamping plate 501, a fifth spring 602 is fixedly connected on the piston plate 605, the piston plate 605 is slidably connected in the piston cavities 606, hoses 604 are symmetrically and fixedly connected between the first clamping plate 5 and the second clamping plate 501, one ends of the hoses 604 correspond to the collision rod 6, and the other ends of the hoses 604 correspond to the push rod 601.
When the drill bit 108 is clamped between the first clamping plate 5 and the second clamping plate 501, the abutting rods 6 and the push rods 601 are all abutted against the drill bit 108, at this time, the drill bit 108 is in sliding connection with the second balls 603, when the drill bit 108 is offset, the corresponding abutting rods 6 are moved towards the direction of the piston cavity 606, so that the piston plate 605 pushes air flow in the piston cavity 606 into the hose 604, the push rods 601 on the opposite side are moved towards the direction of the drill bit 108, and therefore under the action of the fifth spring 602 and air pressure, the positions of the drill bit 108 are corrected, and the drill bit 108 is further prevented from being offset.
A deviation-preventing drilling method for circuit board production comprises the following operation steps:
Step one: pressing the circuit board and positioning the hole positions;
Step two: drilling a circuit board;
Step three: when the drill 108 moves to the defect of the inner layer of the circuit board, the pressing force on the circuit board is improved;
Step four: when the drill bit 108 is shifted, the drill bit 108 is subjected to a deviation correcting operation.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art who is skilled in the art to which the present invention pertains should make equivalent substitutions or modifications according to the technical scheme and the inventive concept disclosed herein, and should be covered by the scope of the present invention.
Claims (8)
1. Deviation-preventing drilling device based on circuit board production, comprising a supporting frame (1), and characterized in that, still include:
The support frame comprises a first sliding groove (102) formed in the bottom of the support frame (1), a first sliding block (103) is connected in the first sliding groove (102) in a sliding mode, a support rod (101) is fixedly connected to the bottom of the first sliding block (103), a first support plate (104) is fixedly connected to the bottom of the support rod (101), and a first spring (109) is fixedly connected between the first support plate (104) and the support frame (1);
The cylinder (105) is fixedly connected to the bottom of the first supporting plate (104), the output end of the cylinder (105) is fixedly connected with the second supporting plate (106), the bottom of the second supporting plate (106) is fixedly connected with the motor (107), and the output end of the motor (107) is fixedly connected with the drill bit (108);
The telescopic rod (3) is fixedly connected to the surface of the supporting frame (1), the free end of the telescopic rod (3) is fixedly connected with the pressing plate (2), a through hole (201) is formed in the surface of the pressing plate (2), and the through hole (201) is matched with the drill bit (108);
The power mechanism is arranged on the first sliding block (103) and is used for driving the pressing plate (2) to move,
The power mechanism comprises a first rack (204) fixedly connected to the side wall of the first sliding block (103), a first rotating rod (202) is rotatably connected to the surface of the supporting frame (1), a first gear (203) is fixedly connected to the outer wall of the first rotating rod (202), a second rack (205) is fixedly connected to the surface of the pressing plate (2), and the first rack (204) and the second rack (205) are meshed with the first gear (203);
The first bevel gear (301) is fixedly connected to the outer wall of the first rotating rod (202), a second bevel gear (302) and a third bevel gear (303) are rotatably connected to the surface of the supporting frame (1), the third bevel gear (303) is coaxial with the first bevel gear (301), and the first bevel gear (301) and the third bevel gear (303) are meshed with the second bevel gear (302) mutually;
A second rotating rod (304) rotatably connected to the surface of the supporting frame (1), a first ratchet wheel (305), a second ratchet wheel (306) and a second gear (206) are fixedly connected to the outer wall of the second rotating rod (304), the directions of the first ratchet wheel (305) and the second ratchet wheel (306) are the same, the second gear (206) is meshed with the second rack (205),
The surfaces of the first bevel gear (301) and the third bevel gear (303) are fixedly connected with a supporting block (307), a second chute (308) is formed in the bottom of the supporting block (307), a pawl (309) is connected in a sliding manner in the second chute (308), and a second spring (4) is fixedly connected between the pawl (309) and the supporting block (307);
And a switching mechanism arranged on the pressing plate (2) and used for switching the position of the second rack (205).
2. The anti-deviation drilling device for circuit board production according to claim 1, wherein a third spring (401) is fixedly connected between the pressing plate (2) and the supporting frame (1).
3. The anti-deviation drilling device for circuit board production according to claim 1, wherein the switching mechanism comprises a third chute (403) formed in the side wall of the pressing plate (2), a second sliding block (404) is connected in a sliding manner in the third chute (403), a clamping groove (402) is formed in the surface of the second sliding block (404), a clamping column (406) is connected in a sliding manner in the surface of the pressing plate (2), a fourth spring (405) is fixedly connected between the clamping column (406) and the pressing plate (2), and the clamping column (406) and the clamping groove (402) are matched with each other.
4. A deviation-preventing drilling device for circuit board production according to claim 3, wherein the second slider (404) is T-shaped.
5. The anti-deviation drilling device for circuit board production according to claim 1, wherein the outer wall of the drill bit (108) is fixedly connected with a rotary table (407), the outer wall of the rotary table (407) is rotationally connected with a first ball (408), the bottom of the second supporting plate (106) is provided with a fourth sliding groove (505), the fourth sliding groove (505) is slidably connected with a first clamping plate (5) and a second clamping plate (501), the side wall of the first clamping plate (5) is provided with a groove (506), the first ball (408) is in rolling connection in the groove (506),
The second supporting plate (106) is provided with an adjusting mechanism, and the adjusting mechanism is used for driving the first clamping plate (5) and the second clamping plate (501) to move relatively.
6. The anti-deviation drilling device for circuit board production according to claim 5, wherein the adjusting mechanism comprises a first threaded rod (502) rotatably connected to the side wall of the second supporting plate (106), one end of the first threaded rod (502) is fixedly connected with a knob (504), the other end of the first threaded rod (502) is fixedly connected with a second threaded rod (503), the direction of threads of the second threaded rod (503) is opposite to that of the first threaded rod (502), the first threaded rod (502) is in threaded connection with the first clamping plate (5), and the second threaded rod (503) is in threaded connection with the second clamping plate (501).
7. The anti-deviation drilling device for circuit board production according to claim 6, wherein the side walls of the first clamping plate (5) and the second clamping plate (501) are both connected with a push rod (601) in a sliding manner, the bottoms of the first clamping plate (5) and the second clamping plate (501) are both connected with a collision rod (6) in a sliding manner, one ends of the collision rod (6) and the push rod (601) are both fixedly connected with a piston plate (605), the other ends of the collision rod (6) and the push rod (601) are rotationally connected with a second ball (603), the inner walls of the first clamping plate (5) and the second clamping plate (501) are both provided with a piston cavity (606), the piston plate (605) is fixedly connected with a fifth spring (602), the piston plate (605) is connected in the piston cavity (606) in a sliding manner,
Wherein, symmetry fixedly connected with hose (604) between first grip block (5) and second grip block (501), one end of hose (604) corresponds with conflict pole (6), the other end of hose (604) corresponds with push rod (601).
8. An anti-deviation drilling method for circuit board production, which adopts the anti-deviation drilling device for circuit board production according to any one of claims 1-7, is characterized by comprising the following operation steps:
Step one: pressing the circuit board and positioning the hole positions;
Step two: drilling a circuit board;
step three: when the drill bit (108) moves to the defect position of the inner layer of the circuit board, the pressing force on the circuit board is improved;
step four: when the drill bit (108) is deviated, the deviation correcting operation is performed on the drill bit (108).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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