CN115568101B - PCB processing method and milling machine workbench used by same - Google Patents
PCB processing method and milling machine workbench used by same Download PDFInfo
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- CN115568101B CN115568101B CN202211358585.5A CN202211358585A CN115568101B CN 115568101 B CN115568101 B CN 115568101B CN 202211358585 A CN202211358585 A CN 202211358585A CN 115568101 B CN115568101 B CN 115568101B
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- supporting
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- 238000003801 milling Methods 0.000 title claims abstract description 34
- 238000003672 processing method Methods 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 claims abstract description 17
- 238000005520 cutting process Methods 0.000 claims abstract description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 15
- 229910052802 copper Inorganic materials 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 15
- 238000009713 electroplating Methods 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 238000005553 drilling Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 6
- 238000004381 surface treatment Methods 0.000 claims description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- 235000013405 beer Nutrition 0.000 claims description 3
- 238000005530 etching Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000009461 vacuum packaging Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000003754 machining Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000151 deposition Methods 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
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- 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
- H05K3/0052—Depaneling, i.e. dividing a panel into circuit boards; Working of the edges of circuit boards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
-
- 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09145—Edge details
- H05K2201/09154—Bevelled, chamferred or tapered edge
-
- 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09145—Edge details
- H05K2201/09163—Slotted edge
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Milling Processes (AREA)
Abstract
The invention provides a PCB processing method and a milling machine workbench used by the PCB processing method, wherein the processing method is novel, V-shaped groove cutting is carried out on the bevel edge part of a preset golden finger, the groove wall of the V-shaped groove after breaking off is used as the bevel edge, the flow steps can be reduced, and the production efficiency is improved; the milling machine workbench used in a matched manner is simple in structure, has the effects of tilting and swinging and rotating, can meet different machining and placing angles and cutting directions, and enlarges the machining requirement range and improves the applicability.
Description
Technical Field
The invention relates to the field of PCB processing, in particular to a PCB processing method and a milling machine workbench used by the same.
Background
The existing method for manufacturing the bevel edge of the PCB mainly comprises the steps of manufacturing a normal V-CUT (V-shaped groove) of the PCB, separating a large PCB into small plates with the size required by customers through a milling machine, and in order to enable the PCB to be conveniently rubbed into a clamping groove during installation, bevel edge machining is required to be performed on the outer edge of the PCB, the bevel edge machining is performed on the outer edge of a single PCB by using a special bevel edge machine on the milled small plates in a common mode, so that the process means that a large number of single PCBs are required to be machined, the efficiency is low and the improvement is required.
Disclosure of Invention
In order to overcome the defects of the prior art, the technical problem to be solved by the invention is to provide a PCB processing method and a milling machine workbench used by the same, wherein the processing method is novel, the flow steps can be reduced, and the production efficiency is improved; the milling machine workbench used in a matched manner is simple in structure, different machining and placing angles can be met, the machining requirement range is enlarged, and the applicability is improved.
To achieve the purpose, the invention adopts the following technical scheme:
the invention provides a PCB processing method, which is characterized in that a V-shaped groove is cut at the bevel edge part of a preset golden finger, and the groove wall of the V-shaped groove after breaking off is used as the bevel edge.
The processing method comprises the following steps:
s1, cutting; cutting the large copper-clad material plate into copper-clad plates with preset sizes;
s2, drilling holes; drilling a required hole in the copper-clad plate;
s3, plating copper-clad plates; electroplating a copper layer in the drilled hole;
s4, an outer layer circuit; manufacturing a circuit pattern on the copper-clad plate after the copper-clad plate is electrified through pattern transfer;
s5, pattern electroplating; the copper layer in the circuit pattern is thickened to the required value of a customer through electroplating;
s6, etching the outer layer; removing the unnecessary copper layer, leaving the required pattern copper layer, and manufacturing a circuit pattern to manufacture a PCB (printed circuit board);
s7, performing resistance welding; covering a layer of insulating ink on the surface of the PCB;
s8, surface treatment; forming a layer of protection on the exposed copper surface to ensure reliable conductivity and weldability;
s9, electroplating a golden finger; electroplating a layer of hard gold on the golden finger part;
s10, milling a V-shaped groove: milling a V-shaped groove in a preset position on the PCB, so that subsequent plate separation is facilitated, and the groove wall inclination of the V-shaped groove is consistent with the inclination of a preset bevel edge;
s11, molding; routing or beer the PCB into the size and shape required by customers;
s12, testing; testing the open circuit and the short circuit of the PCB;
s13, FQC; checking whether the PCB meets the requirements;
s14, packaging; and (5) vacuum packaging the qualified PCB.
Further, in the step S10, the angle of the milling cutter is 85-95 degrees; the placement angle of the PCB is 35-45 degrees; the angle of the bevel edge is 40-50 degrees.
The invention also provides a milling machine workbench for the PCB processing method, which comprises a supporting seat, a turntable, a supporting plate, a chuck and a first motor; the fixed disk of the turntable is fixedly arranged on the supporting seat, the supporting plate is fixedly arranged at the top of the rotating disk of the turntable, the chuck is fixedly arranged on the top surface of the supporting plate, the supporting plate is driven to rotate by the first motor, and the base can drive the turntable to tilt and swing; the chuck is used for inserting and placing the PCB to be processed.
Further, the supporting seat comprises a base, a supporting plate and a second motor; the two ends of the bottom surface of the supporting plate are fixedly provided with first vertical plates, the middle part of the bottom surface of the supporting plate is fixedly provided with a convex block, the two ends of the top surface of the base are fixedly provided with second vertical plates, and a first supporting rod is arranged between the two second vertical plates, the two first vertical plates and the convex block in a penetrating way; the two ends of the top surface of the base are correspondingly provided with clamping grooves, the bottoms of the clamping grooves are arc-shaped grooves, the bottoms of the first vertical plates are arc-shaped and are matched with the shapes of the clamping grooves, and the first vertical plates extend into the clamping grooves and support against the bottoms of the clamping grooves to slide; the outer side of the convex block is of an arc-shaped structure, the central angle is larger than 180 degrees, and teeth are arranged on the outer cambered surface of the convex block; the base is of a hollow structure, a through hole is formed in the top of the base corresponding to the lug, a second supporting rod is arranged on the inner rotating frame of the base, a first gear is fixedly arranged on the second supporting rod, the top of the first gear protrudes out of the through hole, and the first gear is meshed with teeth of the lug for transmission;
the second motor is installed in the inside of base, and the output shaft of second motor is fixed to be equipped with the second gear, and second gear and first gear meshing transmission.
Further, a fixed disc of the turntable is fixedly arranged on the top surface of the supporting plate, a toothed ring is fixedly sleeved on the outer wall of a rotating disc of the turntable, the first motor is arranged on one side of the supporting plate, a third gear is fixedly arranged on an output shaft of the first motor, and the third gear is meshed with the toothed ring for transmission; the bottom surface of the toothed ring is lower than the top surface of the rotating disc, and the inner wall of the toothed ring abuts against the outer wall of the rotating disc to rotate.
Further, the chuck comprises a bottom plate, the top surface of the bottom plate is fixedly provided with a supporting bar, the supporting bar surrounds a rectangular frame-shaped outline with one side being opened, the top of the inner side wall of the supporting bar is fixedly provided with a pressing ring, the pressing ring extends around the trend of the supporting bar, a clamping placing area is formed between the bottom surface of the pressing ring and the top surface of the bottom plate, and a PCB to be processed is inserted and placed in the clamping placing area; the top surface of the compression ring is provided with a plurality of sinking grooves, the depth of each sinking groove is lower than the feed depth of the milling cutter, and the positions of the sinking grooves correspond to the positions of the preset V-shaped grooves.
The beneficial effects of the invention are as follows:
the processing method of the PCB and the milling machine workbench used by the processing method are novel, V-shaped groove cutting is carried out on the preset golden finger bevel edge part, the groove wall of the V-shaped groove after being broken off is used as the bevel edge, the common point of the V-shaped groove and the bevel edge is ingeniously utilized, the manufacture of the bevel edge is synchronously completed through the action of the V-shaped groove cutting, the subsequent single bevel edge processing is not needed, the flow steps can be reduced, and the production efficiency is improved;
the milling machine workbench used in a matching way has a simple structure and a rotating function, and can swing the PCB to a required cutting direction according to different requirements; the device has the function of tilting and swinging, can swing to a required processing angle according to different requirements, and can effectively enlarge the processing requirement range and improve the applicability.
Drawings
Fig. 1 is a flowchart of a method for processing a PCB board according to an embodiment of the present invention;
FIG. 2 is a front view of a milling machine table provided in an embodiment of the present invention;
FIG. 3 is a partial cross-sectional view of a milling machine table provided in an embodiment of the present invention;
FIG. 4 is a schematic view of an expanded configuration of a milling machine table provided in an embodiment of the present invention;
FIG. 5 is a top view of a base provided in an embodiment of the present invention;
FIG. 6 is a top view of a chuck provided in an embodiment of the invention;
fig. 7 is a schematic view showing an inclined arrangement state of a milling machine table according to an embodiment of the present invention.
In the figure:
100. a support base; 110. a base; 111. a second vertical plate; 112. a clamping groove; 113. perforating; 114. a first gear; 120. a support plate; 121. a first vertical plate; 122. a bump; 130. a second motor; 131. a second gear;
200. a turntable; 210. a toothed ring;
300. a supporting plate;
400. a chuck; 410. a bottom plate; 420. a support bar; 430. a compression ring; 440. sinking grooves;
500. a first motor; 510. and a third gear.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
As shown in fig. 1, a method for processing a PCB board is disclosed in an embodiment of the present invention, in which V-shaped grooves are cut at a preset bevel edge of a golden finger, and the groove wall of the V-shaped groove after being broken off is used as the bevel edge.
More specifically, the processing method comprises the following steps:
s1, cutting; cutting the large copper-clad material plate into copper-clad plates with preset sizes;
s2, drilling holes; drilling a required hole in the copper-clad plate;
s3, plating copper-clad plates; electroplating a copper layer in the drilled hole;
s4, an outer layer circuit; manufacturing a circuit pattern on the copper-clad plate after the copper-clad plate is electrified through pattern transfer;
s5, pattern electroplating; the copper layer in the circuit pattern is thickened to the required value of a customer through electroplating;
s6, etching the outer layer; removing the unnecessary copper layer, leaving the required pattern copper layer, and manufacturing a circuit pattern to manufacture a PCB (printed circuit board);
s7, performing resistance welding; covering a layer of insulating ink on the surface of the PCB;
s8, surface treatment; forming a layer of protection on the exposed copper surface to ensure reliable conductivity and weldability;
s9, electroplating a golden finger; electroplating a layer of hard gold on the golden finger part;
s10, milling a V-shaped groove: milling a V-shaped groove in a preset position on the PCB, so that subsequent plate separation is facilitated, and the groove wall inclination of the V-shaped groove is consistent with the inclination of a preset bevel edge;
s11, molding; routing or beer the PCB into the size and shape required by customers;
s12, testing; testing the open circuit and the short circuit of the PCB;
s13, FQC; checking whether the PCB meets the requirements;
s14, packaging; and (5) vacuum packaging the qualified PCB.
The processing method is novel, the V-shaped groove is cut at the preset bevel edge part of the golden finger, the groove wall of the V-shaped groove after breaking is used as the bevel edge, the common point of the V-shaped groove and the bevel edge is ingeniously utilized, the manufacture of the bevel edge is synchronously completed through the action of cutting the V-shaped groove, the subsequent single bevel edge processing is not needed, the flow steps can be reduced, and therefore the production efficiency is improved.
Further, in the step S10, the angle of the milling cutter is 85-95 degrees; the placement angle of the PCB is 35-45 degrees; the angle of the bevel edge is 40-50 degrees; corresponding matching is carried out according to different processing requirements, so that the angle effect of a corresponding bevel edge is obtained; the distance from the bevel edge to the central line of the V-shaped groove is 0.15-0.25 mm, and the width of the V-shaped groove is limited, so that normal breaking can be ensured, and the influence on normal circuit layout caused by overlarge V-shaped groove opening can be prevented.
Further, in step S8, the surface treatment mainly adopts one of tin spraying, gold depositing, OSP, tin depositing and silver depositing, and the corresponding treatment modes are selected according to the application requirements of clients and PCB boards, and the above methods are all common surface treatment modes, and specific steps are not repeated.
As shown in fig. 2 to 7, the present invention also discloses a milling machine table for a PCB processing method, comprising a supporting base 100, a turntable 200, a pallet 300, a chuck 400, and a first motor 500; the fixed disk of the turntable 200 is fixedly arranged on the supporting seat 100, the supporting plate 300 is fixedly arranged on the top of the rotating disk of the turntable 200, the chuck 400 is fixedly arranged on the top surface of the supporting plate 300, the supporting plate 300 is driven to rotate by the first motor 500, and the base can drive the turntable to tilt and swing; the chuck 400 is used for inserting and placing a PCB board to be processed.
The milling machine workbench is simple in structure, has a rotating function, and can swing the PCB to a required cutting direction according to different requirements; the device has the function of tilting and swinging, can swing to a required processing angle according to different requirements, and can effectively enlarge the processing requirement range and improve the applicability.
Further, the support base 100 includes a base 110, a support plate 120, and a second motor 130; the two ends of the bottom surface of the supporting plate 120 are fixedly provided with first vertical plates 121, the middle part of the bottom surface of the supporting plate 120 is fixedly provided with a convex block 122, the two ends of the top surface of the base 110 are fixedly provided with second vertical plates 111, and a first supporting rod is penetrated between the two second vertical plates, the two first vertical plates and the convex block; the two ends of the top surface of the base 110 are correspondingly provided with clamping grooves 112, the bottoms of the clamping grooves are arc-shaped grooves, the bottoms of the first vertical plates 121 are arc-shaped and are matched with the shapes of the clamping grooves 112, and the first vertical plates extend into the clamping grooves and support against the bottoms of the clamping grooves to slide; forming a foundation to enable the supporting plate to be rotatably arranged on the top of the base;
the outer side of the convex block 122 is in an arc-shaped structure, the central angle is larger than 180 degrees, and teeth are arranged on the outer cambered surface of the convex block; the base 110 is of a hollow structure, a through hole 113 is formed in the top of the base 110 corresponding to the lug 122, a second supporting rod is arranged on the inner rotating frame of the base 110, a first gear 114 is fixedly arranged on the second supporting rod, the top of the first gear 114 protrudes out of the through hole, and the first gear 114 is meshed with teeth of the lug 122 for transmission; the second motor 130 is arranged in the base, a second gear 131 is fixedly arranged on an output shaft of the second motor, and the second gear 131 is meshed with the first gear 114 for transmission; under the multistage meshing transmission, the second motor drives the supporting plate to swing, so that the required inclination angle is adjusted.
Further, the number of the second motors is 2, and the driving power is effectively enhanced through driving of the two groups of second motors and the second gears; and the second motor is a stepping motor or a servo motor, and can realize a self-locking effect after power is off, so that the position of the support plate is maintained at a required placement angle.
Further, a fixed disc of the turntable 200 is fixedly arranged on the top surface of the supporting plate, a toothed ring 210 is fixedly sleeved on the outer wall of the rotating disc of the turntable 200, the first motor is arranged on one side of the supporting plate, a third gear 510 is fixedly arranged on an output shaft of the first motor 500, and the third gear 510 is meshed with the toothed ring 210 for transmission; the first motor drives the rotating disc of the turntable to rotate, so that the chuck rotates to a required placing position, and different cutting and slotting requirements are met; the bottom surface of the toothed ring 210 is lower than the top surface of the rotating disc, and the inner wall of the toothed ring abuts against the outer wall of the rotating disc to rotate, so that the bearing part of the rotating disc can be shielded, and external dust is prevented from entering; it should be noted that the turntable is a common turntable structure, and can be purchased and used in the market, and the specific structure is not repeated.
Further, the second motor is a stepping motor or a servo motor, and after the power is off, a self-locking effect can be achieved, so that the rotating disc is maintained at a required position and cannot rotate, and accurate and effective milling is performed.
Further, the chuck 400 includes a bottom plate 410, a supporting bar 420 is fixedly arranged on the top surface of the bottom plate 410, the supporting bar surrounds a rectangular frame-shaped outline with one side open, a compression ring 430 is fixedly arranged on the top of the inner side wall of the supporting bar 420, the compression ring extends around the trend of the supporting bar, a clamping placing area is formed between the bottom surface of the compression ring and the top surface of the bottom plate, and a PCB to be processed is inserted and placed in the clamping placing area; the top surface of the compression ring 430 is provided with a plurality of sinking grooves 440, the depth of each sinking groove is lower than the feed depth of the milling cutter, and the positions of the sinking grooves correspond to the positions of the preset V-shaped grooves;
due to the design of the support bars and the compression rings, the clamping and placing area is provided with only a single inlet and outlet, so that the taking and placing of the PCB are limited, the position of the PCB is prevented from being changed in the processing process, and the processing accuracy is ensured; it is pointed out that when the V-shaped groove on the opening of the PCB is required to be cut, the direction of the milling cutter going to the opening side is required to be used as a starting point, so that the end part of the PCB is prevented from moving; the design of the countersink is mainly used for reserving a feed interval of the milling cutter and preventing the milling cutter from colliding with the chuck.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The invention is not to be limited by the specific embodiments disclosed herein, and other embodiments are within the scope of the invention as defined by the claims of the present application.
Claims (4)
1. A PCB processing method is characterized in that:
cutting a V-shaped groove at the bevel edge part of a preset golden finger, and taking the groove wall of the V-shaped groove after breaking off as a bevel edge;
the method comprises the following steps:
s1, cutting; cutting the large copper-clad material plate into copper-clad plates with preset sizes;
s2, drilling holes; drilling a required hole in the copper-clad plate;
s3, plating copper-clad plates; electroplating a copper layer in the drilled hole;
s4, an outer layer circuit; manufacturing a circuit pattern on the copper-clad plate after the copper-clad plate is electrified through pattern transfer;
s5, pattern electroplating; the copper layer in the circuit pattern is thickened to the required value of a customer through electroplating;
s6, etching the outer layer; removing the unnecessary copper layer, leaving the required pattern copper layer, and manufacturing a circuit pattern to manufacture a PCB (printed circuit board);
s7, performing resistance welding; covering a layer of insulating ink on the surface of the PCB;
s8, surface treatment; forming a layer of protection on the exposed copper surface to ensure reliable conductivity and weldability;
s9, electroplating a golden finger; electroplating a layer of hard gold on the golden finger part;
s10, milling a V-shaped groove: milling a V-shaped groove in a preset position on the PCB, so that subsequent plate separation is facilitated, and the groove wall inclination of the V-shaped groove is consistent with the inclination of a preset bevel edge;
s11, molding; routing or beer the PCB into the size and shape required by customers;
s12, testing; testing the open circuit and the short circuit of the PCB;
s13, FQC; checking whether the PCB meets the requirements;
s14, packaging; vacuum packaging qualified PCB;
the milling machine workbench used in the PCB processing method comprises a supporting seat, a turntable, a supporting plate, a chuck and a first motor;
the fixed disk of the turntable is fixedly arranged on the supporting seat, the supporting plate is fixedly arranged at the top of the rotating disk of the turntable, the chuck is fixedly arranged on the top surface of the supporting plate, the supporting plate is driven to rotate by the first motor, and the base drives the turntable to tilt and swing; the chuck is used for inserting and placing a PCB to be processed;
the support seat comprises a base, a support plate and a second motor;
the two ends of the bottom surface of the supporting plate are fixedly provided with first vertical plates, the middle part of the bottom surface of the supporting plate is fixedly provided with a convex block, the two ends of the top surface of the base are fixedly provided with second vertical plates, and a first supporting rod is arranged between the two second vertical plates, the two first vertical plates and the convex block in a penetrating way;
the two ends of the top surface of the base are correspondingly provided with clamping grooves, the bottoms of the clamping grooves are arc-shaped grooves, the bottoms of the first vertical plates are arc-shaped and are matched with the shapes of the clamping grooves, and the first vertical plates extend into the clamping grooves and support against the bottoms of the clamping grooves to slide;
the outer side of the convex block is of an arc-shaped structure, the central angle is larger than 180 degrees, and teeth are arranged on the outer cambered surface of the convex block;
the base is of a hollow structure, a through hole is formed in the top of the base corresponding to the lug, a second supporting rod is arranged on the inner rotating frame of the base, a first gear is fixedly arranged on the second supporting rod, the top of the first gear protrudes out of the through hole, and the first gear is meshed with teeth of the lug for transmission;
the second motor is installed in the inside of base, and the output shaft of second motor is fixed to be equipped with the second gear, and second gear and first gear meshing transmission.
2. The PCB processing method of claim 1, wherein:
in the step S10, the angle of the milling cutter is 85-95 degrees; the placement angle of the PCB is 35-45 degrees; the angle of the bevel edge is 40-50 degrees.
3. The PCB processing method of claim 2, wherein:
the fixed disk of the turntable is fixedly arranged on the top surface of the supporting plate, the outer wall of the rotating disk of the turntable is fixedly sleeved with a toothed ring, the first motor is arranged on one side of the supporting plate, the output shaft of the first motor is fixedly provided with a third gear, and the third gear is meshed with the toothed ring for transmission;
the bottom surface of the toothed ring is lower than the top surface of the rotating disc, and the inner wall of the toothed ring abuts against the outer wall of the rotating disc to rotate.
4. A method of processing a PCB according to claim 3, wherein:
the chuck comprises a bottom plate, a supporting bar is fixedly arranged on the top surface of the bottom plate, a pressing ring is fixedly arranged on the top of the inner side wall of the supporting bar around a rectangular frame-shaped outline with one side open, the pressing ring extends around the trend of the supporting bar, a clamping placing area is formed between the bottom surface of the pressing ring and the top surface of the bottom plate, and a PCB to be processed is inserted and placed in the clamping placing area;
the top surface of the compression ring is provided with a plurality of sinking grooves, the depth of each sinking groove is lower than the feed depth of the milling cutter, and the positions of the sinking grooves correspond to the positions of the preset V-shaped grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211358585.5A CN115568101B (en) | 2022-11-01 | 2022-11-01 | PCB processing method and milling machine workbench used by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211358585.5A CN115568101B (en) | 2022-11-01 | 2022-11-01 | PCB processing method and milling machine workbench used by same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115568101A CN115568101A (en) | 2023-01-03 |
| CN115568101B true CN115568101B (en) | 2024-02-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211358585.5A Active CN115568101B (en) | 2022-11-01 | 2022-11-01 | PCB processing method and milling machine workbench used by same |
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| CN (1) | CN115568101B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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