CN113386197A - Circuit board cutting device and method - Google Patents
Circuit board cutting device and method Download PDFInfo
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- CN113386197A CN113386197A CN202110677739.6A CN202110677739A CN113386197A CN 113386197 A CN113386197 A CN 113386197A CN 202110677739 A CN202110677739 A CN 202110677739A CN 113386197 A CN113386197 A CN 113386197A
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- 238000005520 cutting process Methods 0.000 title claims abstract description 169
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims description 57
- 230000033001 locomotion Effects 0.000 claims description 13
- 239000007853 buffer solution Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000000428 dust Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 11
- 239000000243 solution Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D11/00—Combinations of several similar cutting apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
- B26D7/0625—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form by endless conveyors, e.g. belts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/27—Means for performing other operations combined with cutting
- B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D11/00—Combinations of several similar cutting apparatus
- B26D2011/005—Combinations of several similar cutting apparatus in combination with different kind of cutters, e.g. two serial slitters in combination with a transversal cutter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Sawing (AREA)
Abstract
The invention relates to a circuit board cutting device and a method, belonging to the technical field of circuit board production, the device comprises a turntable, a first transmission belt, a second transmission belt and N cutting bases arranged in the circumferential direction of the turntable, wherein the top of the cutting base positioned at the end part of the N cutting bases is provided with a first connecting plate, the first connecting plate is provided with a first cutter and a first clamping arm, the first connecting plate can clamp and convey a circuit board to be cut on the first transmission belt to the cutting base through the first clamping arm, the circuit board is cut in the first direction by utilizing the first cutter, the top of the cutting base positioned in the middle is provided with a second connecting plate, the second connecting plate is provided with a second cutter, the second cutter can cut the circuit board in the second direction, the top of the cutting base positioned at the other end of the N cutting bases is provided with a third connecting plate, and the third connecting plate is provided with a second clamping arm, the third connecting plate can be through the second centre gripping arm with the circuit board centre gripping of cutting put the second drive belt and carry away.
Description
Technical Field
The invention belongs to the technical field of circuit board production, and particularly relates to a circuit board cutting device and method.
Background
When a circuit board on an automobile is processed on a production line, a plurality of circuit boards are usually connected together to form a combined circuit board 9, as shown in fig. 15, the combined circuit board 9 needs to perform program writing work of a substrate, so that writing operation can be performed on the plurality of circuit boards at the same time, but after the program writing process is performed on the combined circuit board, the combined circuit board needs to be cut, and then each circuit board is put on a tray to be transported away for the next process.
The inventor finds that the existing cutting equipment performs cutting by arranging a cutter on a cutting base to move in the horizontal direction at the top of the cutting base, while the circuit boards in fig. 15 need to be cut in the horizontal direction and the vertical direction respectively to separate each circuit board, obviously, the cutting efficiency of the existing equipment is slow, because the circuit boards need to be cut in the vertical direction after being cut in the horizontal direction, meanwhile, the existing cutting equipment cannot achieve the purposes of placing the circuit boards in fig. 15 on the cutting base to be cut and taking down each circuit board after being cut on the cutting base, and if the existing cutting equipment is operated manually, manual positioning is needed, and obviously, the production efficiency of the circuit boards is slow.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a circuit board cutting device and a circuit board cutting method.
The embodiment of the invention provides a circuit board cutting device which comprises a rotary table, a first transmission belt, a second transmission belt and N cutting bases arranged in the circumferential direction of the rotary table, wherein N is larger than or equal to 3, a first connecting plate is arranged at the top of the cutting base positioned at the end part of the N cutting bases, a first cutter and a first clamping arm are arranged on the first connecting plate, the first connecting plate can reciprocate between the rotary table and the first transmission belt to clamp and convey a circuit board to be cut on the first transmission belt to the cutting base through the first clamping arm, the first cutter is used for cutting in the first direction, a second connecting plate is arranged at the top of the cutting base positioned in the middle, a second cutter is arranged on the second connecting plate, the second cutter can cut the circuit board on the cutting base in the second direction, a third connecting plate is arranged at the top of the cutting base at the other end of the N cutting bases, and a second clamping arm is arranged on the third connecting plate, the third connecting plate can reciprocate between the rotary table and the second transmission belt, and the circuit board cut on the cutting base is clamped by the second clamping arm and placed on the second transmission belt to be transported away.
Furthermore, the top of the cutting base on the turntable is provided with a horizontal beam and a longitudinal beam which are perpendicular to each other, wherein the horizontal beam is fixed, the longitudinal beam can move on the horizontal beam, and the first connecting plate, the second connecting plate and the third connecting plate are arranged on the longitudinal beam in a sliding manner.
Further, first cutting mechanism of fixed connection and first fixture on the first connecting plate, and first cutting mechanism and first fixture set up respectively in the both sides of vertical roof beam, and first cutting structure is including the first cutting motor that can reciprocate, and first fixture is including the first centre gripping base that can reciprocate, be equipped with a pair of first grip block on the first centre gripping base, can realize pressing from both sides the getting of circuit board through adjusting the distance between two first grip blocks.
Furthermore, a driving motor is arranged on the first clamping base and connected with a driving gear through a transmission system, a pair of sliding racks meshed with the driving gear are arranged on the first clamping base, and the pair of clamping plates are respectively connected to the end portions of the two sliding racks.
Further, third connecting plate erection joint is equipped with the vertical integral key shaft of placing, the integral key shaft can be for rotating around the axis of oneself, and the integral key shaft can carry out elevating movement on the third connecting plate, and the fixed block is connected to the bottom of integral key shaft, the second centre gripping base is connected to the fixed block, be equipped with a pair of second grip block that is used for the centre gripping circuit board on the second centre gripping base, through the adjustment distance can get the clamp of circuit board between a pair of second grip block.
Furthermore, the pair of first clamping plates and the pair of second clamping plates are respectively installed on the clamping base through the buffering base, the first clamping plates and the second clamping plates are fixed on the buffering base through springs, the springs can be stretched when the circuit board is clamped by the first clamping base and the first clamping plates, and the springs can be compressed when the circuit board is clamped by the second clamping plates.
Further, the turntable is provided with a groove for placing the cutting base, the side portion of the groove is provided with a cutter placing groove and a cutter containing box, and the cutter placing groove is internally used for placing a plurality of cutters.
Furthermore, a moving groove for the cutter to walk is formed in the cutting base, the moving groove penetrates through the cutting base, a suction machine is arranged at the bottom of the groove and comprises a vertically placed suction cylinder, the suction cylinder can move at the bottom of the turntable, and the moving direction of the suction cylinder is consistent with that of the cutter.
Furthermore, the bottom of the center of the turntable is fixed on the base through a slewing bearing, a plurality of supporting self-bases are arranged on the base in the circumferential direction of the turntable, and pulleys in contact with the bottom of the turntable are arranged on the top of each supporting base.
The embodiment of the invention also provides a cutting method of the circuit board cutting device, which comprises the following steps:
the combined circuit board to be cut is transmitted to the front of the rotary table through the first conveyor belt, the first connecting plate is controlled to move to the position above the first conveyor belt, the combined circuit board to be cut is clamped through the first clamping arm and then conveyed to the cutting base, and the combined circuit board is cut through the first cutter along the first direction;
after the first cutter finishes cutting, resetting, rotating the turntable to rotate the cutting base to the position below the second connecting plate, and cutting along the second direction by controlling the second cutter;
and the second cutter resets after cutting, the cutting base is rotated to the lower part of the third connecting plate by rotating the turntable, the second clamping arm on the third connecting plate is controlled to clamp the cut circuit board, and the cut circuit board is put on the second conveying belt to be conveyed away by the movement of the third connecting plate.
The invention has the following beneficial effects:
the circuit board cutting device provided by the invention is provided with at least three cutting bases on the rotary table, wherein one end of each cutting base can cut the combined circuit in a first direction, and then the middle cutting base can cut the combined circuit board in a second direction by rotating the rotary table.
Drawings
Fig. 1 is an overall structural view of a circuit board cutting apparatus according to an embodiment of the present invention;
fig. 2 is a structural diagram of a turntable in the circuit board cutting device according to an embodiment of the present invention;
fig. 3 is a structural diagram of cutting and grabbing a circuit board at a first station in the circuit board cutting device according to the embodiment of the present invention;
FIG. 4 is a block diagram of a first cutting mechanism of the apparatus provided in an embodiment of the present invention;
FIG. 5 is an isometric view of a first grasping mechanism of the apparatus provided by the embodiment of the invention;
FIG. 6 is a left side view of a first grasping mechanism of the apparatus according to the embodiment of the present invention;
FIG. 7 is a block diagram of a buffer base of a first gripper mechanism of an apparatus according to an embodiment of the present invention;
FIG. 8 is a schematic view of a bottom portion of a first station of the apparatus according to an embodiment of the present invention;
fig. 9 is a diagram illustrating a structure of a circuit board cutting at a second station in the apparatus according to the embodiment of the present invention;
fig. 10 is a structural diagram of circuit board grabbing at a third station in the apparatus according to the embodiment of the present invention;
FIG. 11 is a block diagram of a ball spline rotational lift hitch mechanism in an apparatus provided in accordance with an embodiment of the present invention;
FIG. 12 is a block diagram of a clamp base of an apparatus according to an embodiment of the present invention;
FIG. 13 is a first block diagram of a cutting block in an apparatus according to an embodiment of the invention;
FIG. 14 is a second block diagram of a cutting block of the apparatus provided in accordance with an embodiment of the present invention;
FIG. 15 is a block diagram of a combinational circuit according to an embodiment of the present invention.
In the figure: 1. a turntable, 11, a placing groove, 12, a cutter, 13, a storage box, 14, a first groove, 15, a second groove, 16, a third groove, 17, a support frame, 18, a pulley, 2, a first processing station, 21, a horizontal beam, 22, a longitudinal beam, 23, a first connecting plate, 24, a first cutting mechanism, 241, a left fixing plate, 242, a motor fixing plate, 243, a cutting motor, 244, a left telescopic cylinder, 245, a cutter, 25, a first clamping mechanism, 2501, a right fixing plate, 2502, a right telescopic cylinder, 2503, a right motor fixing plate, 2504, a rotary driving motor, 2505, a worm, 2506, a turbine, 2507, a left sliding rack, 2508, a right sliding rack, 2509, a first clamping plate, 2510, a first buffer base, 2511, a driving gear, 2512, a fixing block, 2503, a moving block, 2514, a spring, 3, a second processing station, 31, a second horizontal beam, 32, a second longitudinal beam, 33. second connecting plate, 34, second cutting motor, 4, third machining station, 41, third horizontal beam, 42, third longitudinal beam, 43, third connecting plate, 44, ball spline rotary lifting mechanism, 4401, spline shaft, 4402, lifting motor, 4403, rotary motor, 4404, fixed block, 45, second clamping mechanism, 4501, middle plate, 4502, second clamping base, 4503, rotary motor, 4504, second buffer base, 4505, horizontal shaft, 4506, middle block, 4507, second clamping plate, 51, bottom longitudinal beam, 52, bottom cross beam, 53, bottom connecting plate, 54, dust suction cylinder, 6, cutting base, 61, cutting groove, 7, first conveyor belt, 8, second conveyor belt, 9, combined circuit board.
Detailed Description
As shown in fig. 1-2, an embodiment of the present invention provides a cutting apparatus for a circuit board, which mainly includes a turntable 1, four grooves, namely a first groove 14, a second groove 15, and a third groove 16, are arranged at intervals in a circumferential direction of a surface of the turntable, and each groove is provided with a cutting base 6 for fixing and cutting a combined circuit board 9.
Wherein the top of the first groove 14 on the turntable is provided with a first processing station 2, as shown in fig. 3, the first processing station 2 can move on a first connecting plate 23, the first connecting plate 23 is connected with a first cutting mechanism 24 and a first clamping mechanism 25, the first cutting mechanism 24 is provided with a first cutting knife, the first cutting knife can cut the combined circuit board along a first direction by controlling the movement of the first connecting plate 23, meanwhile, one side of the turntable 1 is provided with a first transmission belt 7, and the first transmission belt 7 is mainly used for transmitting the uncut combined circuit board.
Further, a second processing station 3 is arranged at the top of the second groove 15 on the turntable, the second processing station 3 includes a second connecting plate 33, a second cutter is connected to the second connecting plate, and the combined circuit board is cut for the second time along a second direction by the second cutter, wherein the cutting direction of the second cutter is different from the cutting direction of the first cutter, for example, the cutting direction of the first cutter is a horizontal direction, and the cutting direction of the second cutter is a vertical direction.
Further, in this embodiment, a third processing station 4 is disposed at the top of the third groove 16 of the turntable, the third processing station 4 includes a third connecting plate 43, a second clamping mechanism is disposed on the third connecting plate, wherein the third connecting plate can also move at the top of the turntable, so that the combined circuit board clamp on the cutting base after being cut is clamped and placed on the tray on the second conveyor belt 8 by controlling the movement of the second clamping arm mechanism, and the cut circuit board is transported away by the second conveyor belt, thereby realizing the cutting of the whole circuit board.
The circuit board cutting device provided by the invention is provided with at least three cutting bases on the turntable, wherein the first cutting base can cut the combined circuit in the first direction, compared with the prior art that the combined circuit board is cut on only one station, the production efficiency of the circuit board is improved, meanwhile, the first station is provided with the first connecting plate, the first connecting plate can move, the first transmission belt is placed on the cutting base through the circuit board clamping mechanism on the first connecting plate, and after the circuit board is cut, the whole cutting process does not need the participation of operators through the second connecting plate on the third station, so that the production efficiency of the circuit board is improved, and the safety of the operators is also protected.
Specifically, as shown in fig. 2, in this embodiment, the side of each groove on the turntable is used for a placing groove 11 for placing a cutter, a plurality of new cutters 12 are placed in the placing groove 11, and a storage box 13 for storing the cutters is also placed beside the placing groove, so that when the cutter motor of the first connecting plate needs to replace the cutter, the first connecting plate can be controlled to move to the top of the storage box first, then the used cutter is placed in the storage box, and then the new cutter is sucked by the air claw mechanism of the cutter motor when the used cutter is moved to the top of the placing groove 11, so that the automatic cutter changing process of the device is realized.
In order to realize the rotation of the turntable, in the embodiment, a rotation driving mechanism is installed at the bottom of the central position of the turntable, for example, the bottom of the central position of the turntable is connected with a base through a slewing bearing, and a driving motor for driving the slewing bearing to rotate is arranged on the base.
Meanwhile, a plurality of supporting frames 17 are arranged on the base along the circumferential direction of the turntable, a pulley 18 is arranged on the top of each supporting frame, and the pulley 118 is in contact with the bottom of the turntable 1 and is used for assisting the rotation of the turntable.
Further, as shown in fig. 3, in the present embodiment, the first processing station 2 mounts a horizontal beam 21 and a longitudinal beam 22 on the top of the first groove on the turntable, wherein the horizontal beam 21 and the longitudinal beam 22 are perpendicular to each other, the horizontal beam 21 is fixed, the longitudinal beam 22 is slidably disposed on the horizontal beam and can slide on the horizontal beam, and the first connecting plate 23 is vertically disposed and slidably mounted on the longitudinal beam and can slide on the longitudinal beam, so that the first connecting plate can move in the X-axis direction and the Y-axis direction, respectively.
The left side of the first connecting plate 23 is fixed with a first cutting mechanism 24, the right side of the first connecting plate is fixed with a first clamping mechanism 25, the two mechanisms are respectively arranged at two sides of the longitudinal beam 22, as shown in fig. 4, the first cutting mechanism 24 comprises a left fixing plate 241 and a cutting motor 243 arranged on the left fixing plate, the left fixing plate 241 is connected with the first connecting plate 23 through bolts, a motor fixing plate 242 is arranged on the left fixing plate 241, the motor fixing plate 242 is fixed on the left fixing plate 241 through a vertical guide rail and a sliding block and can move up and down on the left fixing plate 241, so when the combined circuit board on the cutting base is cut, the cutting motor 243 can be controlled to move down, the cutting knife 245 on the cutting knife motor is contacted with the surface of the combined circuit board, and cutting is realized.
In order to realize the up-and-down movement of the left motor fixing plate 242, a left telescopic cylinder 244 is fixed on the left fixing plate 241, wherein the left telescopic cylinder 244 is vertically arranged, and the end part of a telescopic rod of the left telescopic cylinder 244 is connected with the left motor fixing plate 242, so that the up-and-down driving of the left motor fixing plate 242 is realized.
Further, as shown in fig. 5-6, in the present embodiment, the first clamping mechanism 25 mainly includes a right fixing plate 2501 and a right motor fixing plate 2503 capable of moving up and down on the right fixing plate 2501, wherein the right motor fixing plate 2503 is horizontally disposed, a right telescopic cylinder 2502 is also disposed on the right fixing plate 2501, and an end of the telescopic cylinder 2502 is connected to the right motor fixing plate 2503 to enable the right motor fixing plate 2503 to move up and down.
A rotary driving motor 2504 is provided on the top of the right motor fixing plate 2503, a rotating shaft of the rotary driving motor 2504 is connected with a worm 2505, a worm gear 2506 engaged with the worm 2505 is provided on the right motor fixing plate 2503, a driving gear 2511 connected with the worm gear 2506 is provided on the bottom of the right motor fixing plate 2503, two horizontally disposed sliding gears, a left sliding rack 2507 and a right sliding rack 2508 are provided below the right motor fixing plate, wherein the left sliding rack 2507 is slidably provided, the left sliding rack 2507 and the right sliding rack 2508 are respectively provided on the left and right sides of the driving gear 2511, the two sides of the left sliding rack 2507 and the right sliding rack 2508 are slidably provided by the rotation of the driving gear, a first clamping plate 2509 is connected to the end of the sliding rack, so that the distance between the two first clamping plates 2509 can be adjusted by controlling the two sliding racks, thereby realizing the clamping of the circuit board by the clamping plate 2509.
In order to facilitate the stable clamping of the circuit board by the clamping plate 2509, a V-shaped clamping groove for clamping the edge of the circuit board is arranged on the clamping surface of the clamping plate, and the circuit board can be fixed by clamping the edge of the circuit board by the V-shaped clamping groove.
Considering that the clamping plate and the circuit board are rigid bodies, the clamping force of the clamping plate is difficult to control, if the force is too large, the edge of the circuit board is easy to damage, therefore, the holding plate at the end of the right sliding rack 2508 in this embodiment is mounted on the rack by the first buffer base 2510, as shown in fig. 7, the first buffering base 2510 includes a fixed block 2512 and a moving block 2513, wherein the fixed block 2512 is connected with the sliding rack, the moving block 2513 is arranged at the bottom of the fixed block and can horizontally move on the fixed block, the clamping plate 2509 is connected with the moving block 2513, meanwhile, the clamping plate 2509 is connected with the fixed block 2513 through a spring 2514, so that when the two clamping plates 2509 clamp the circuit board, the clamping plate 2509 on the right sliding rack can stretch the spring 2514 under the reaction of the combined circuit board, and an elastic buffer space is formed, so that the circuit board is prevented from being damaged by clamping.
Of course, it is easy to know that the clamping plate at the end of the left sliding rack in this embodiment may also be provided with a buffer base.
As shown in fig. 8, in the present embodiment, a dust suction mechanism is further provided at the bottom of the first groove on the turntable, the dust suction mechanism mainly comprises a bottom cross beam 52 and a bottom longitudinal beam 51, wherein the bottom longitudinal beam 51 is fixed, the bottom cross beam 52 slides on the bottom longitudinal beam 51, and a bottom connecting plate 53 is arranged on the bottom longitudinal beam 51, a dust collector is arranged on the bottom connecting plate, a dust suction tube 54 is arranged on the dust collector, as shown in figures 13-14, wherein, a plurality of cutting grooves 61 are arranged on the cutting base 6, the cutting grooves 61 penetrate through the cutting base, and the cutting groove 61 is mainly used for placing the cutting knife 245, the movement of the dust collector in the example is synchronous with the movement of the first cutting mechanism on the first connecting plate 23, the dust suction cylinder 54 is always moved at the bottom of the cutting groove 61, so that the material cut off from the combined circuit board by the cutter of the first cutting mechanism can be collected by the dust suction cylinder.
Further, as shown in fig. 9, in this embodiment, a second horizontal beam 31 and a second longitudinal beam 32 are disposed on the second processing station 3, and similarly, the second horizontal beam 31 is fixed to the fixed beam, the second longitudinal beam 32 can slide on the second horizontal beam 31, a second connecting plate 33 is mounted on the second longitudinal beam 32, wherein a second cutting mechanism 34 is disposed on the second connecting plate 33, the second cutting mechanism has the same structure as the first cutting mechanism on the first connecting plate, and a cutter is mounted on a cutting motor of the second cutting mechanism, and the cutting motor is controlled by a telescopic cylinder to move downward to cut the circuit board.
It should be noted that the cutting direction of the second cutting motor in this embodiment is different from the cutting direction of the first cutting mechanism, as shown in fig. 15, the combined circuit board 9 needs to be cut in the horizontal direction and the vertical direction to separate the circuit boards, and if the cutting knife of the first cutting mechanism is only used to cut the combined circuit board 9, the cutting knife of the second cutting mechanism needs to be cut in the vertical direction, so that the whole circuit board can be completely separated.
In this embodiment, the turntable is also provided with a set of dust suction mechanism at the bottom of the second groove 15, and the dust suction mechanism is the same as the dust suction mechanism at the bottom of the first groove 14, and will not be described in detail herein.
Further, as shown in fig. 10, the third processing station 4 at the top of the third groove on the turntable in this embodiment includes a third horizontal beam 41 and a third longitudinal beam 42, wherein the third horizontal beam 41 is fixed, the third longitudinal beam 42 slides on the third horizontal beam, a third connecting plate 43 is mounted on the third longitudinal beam, the third connecting plate 43 can slide on the third longitudinal beam 42, and the third connecting plate is connected to the second clamping mechanism 45 through a ball spline rotary lifting mechanism 44, so that the cut circuit boards on the cutting base are clamped by the second clamping mechanism, and then the cut circuit boards are sequentially placed on the tray on the second conveyor belt by the third connecting plate moving in the horizontal direction, and then are transported away.
As shown in fig. 10 to 11, the second clamping mechanism mainly includes a ball spline rotary lifting mechanism 44 fixed on the third connecting plate, the ball spline rotary lifting mechanism includes a lifting motor 4402, a spline shaft 4401, a rotary motor 4403, a ball screw nut and a ball spline nut, wherein an output shaft of the lifting motor 4402 is connected with a driving pulley through a transmission belt system, the driving pulley is connected with the ball screw nut, an output shaft of the rotary motor 4403 on the right side is connected with a driving pulley through a transmission belt, the driving pulley is connected with the ball spline nut, so that the driving of the lifting motor 4402 can control the up-and-down movement of the ball spline shaft 4401, the driving of the rotary motor can control the rotary movement of the ball spline shaft 4401, and thus, the rotary motor can control the rotary movement of the ball spline shaft 4401
The fixed block 4404 is connected to the bottom of the ball spline shaft 4401, as shown in fig. 12, the fixed block 4404 is connected to an intermediate plate 4501 through a bolt, the bottom of the intermediate plate is connected to a second clamping base 4502, a rotating motor 4503 is arranged on the second clamping base 4502, the rotating motor 4503 is connected to a screw rod in the second clamping base 4502 through a belt wheel transmission system, two sliders are connected to the screw rod, the two sliders are respectively arranged on the screw rod through sliding, the two sliders can be moved through rotation of the screw rod, and the moving directions of the two sliders are opposite.
The pulley is connected to a second buffer base 4504, a sliding groove is formed in the second buffer base 4504, a horizontal shaft 4505 is arranged in the sliding groove, an intermediate block 4506 is arranged on the horizontal shaft 4505 in a sliding mode, and the intermediate block 4506 is connected to a second clamping plate 4507.
In order to protect the circuit board during the clamping process, a compression spring is sleeved on the horizontal shaft 4505, so that when the circuit board is clamped by the clamping plate, the clamping plate can press the compression spring of the horizontal shaft through the middle block under the reverse action of the circuit board, and thus when the circuit board is clamped by the second clamping plate 4507, the compression spring can be pressed, and the circuit board is prevented from being damaged by clamping.
It should be noted that the turntable in this embodiment is provided with three grooves, so that a combined circuit board can be placed on the cutting platform for two times of cutting by rotating the turntable 1 three times, and the last time the cut circuit board can be clamped and transported by the clamping mechanism, it is easy to know that the turntable in the present invention is not limited to the three grooves in this embodiment, but can also be provided with a plurality of grooves, for example, if an integrated circuit board needs to be cut in multiple directions to separate each circuit board, the number of the grooves can be determined according to the number of cutting directions, that is, one groove corresponds to one processing station, but it is ensured that the last processing station is used for transporting the cut circuit board.
A cutting method based on the above-described cutting apparatus for a circuit board is described in detail below, and the method includes the following processes:
firstly, before the integrated circuit board is transported to a turntable through a first transport belt, a first connecting plate arranged at the top of a first groove is controlled to move to the upper side of the first transport belt in the horizontal direction, the distance between two clamping plates on a first clamping mechanism is controlled according to the size of the integrated circuit board, then the clamping plates of the first clamping mechanism are controlled to move downwards to clamp the integrated circuit board by adjusting the distance between the two clamping plates, then the first connecting plate is controlled to move to the upper side of a first cutting base, the clamped integrated circuit board is placed on the first cutting base, and then the first clamping mechanism is controlled to ascend;
and then, controlling the first cutting mechanism on the first connecting plate to descend, starting the cutting motor, and starting to cut the integrated circuit board, wherein the motion of the first connecting plate is controlled to ensure that the cutter always cuts along the first direction.
After the circuit board is cut by the first cutting mechanism at the first station, the turntable is driven to rotate clockwise, the first cutting base is rotated to the next station, the second connecting plate is controlled to move to the top of the first cutting base, and then a cutting knife on the second cutting mechanism on the second connecting plate is controlled to cut the integrated circuit board in a second direction, wherein the second direction is different from the first direction;
and finally, when the cutting mechanism on the second connecting plate completely cuts the integrated circuit board into a plurality of circuit boards, the rotating disc is driven to rotate, the first cutting base is moved to the third station, the third connecting plate at the top of the third station is controlled to move to the top of the first cutting base on the third station, and the second clamping mechanism on the third connecting plate is controlled to clamp each circuit board on the first cutting base onto a tray on the second conveying belt respectively to be conveyed away.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (10)
1. A circuit board cutting device is characterized by comprising a rotary table, a first transmission belt, a second transmission belt and N cutting bases arranged in the circumferential direction of the rotary table, wherein N is larger than or equal to 3, a first connecting plate is arranged at the top of the cutting base positioned at the end part of the N cutting bases, a first cutter and a first clamping arm are arranged on the first connecting plate, the first connecting plate can reciprocate between the rotary table and the first transmission belt to clamp and convey a circuit board to be cut on the first transmission belt to the cutting bases through the first clamping arm, the first cutter is used for cutting in the first direction, a second connecting plate is arranged at the top of the cutting base positioned in the middle, a second cutter is arranged on the second connecting plate, the second cutter can cut the circuit board on the cutting base in the second direction, a third connecting plate is arranged at the top of the cutting base at the other end of the N cutting bases, and a second clamping arm is arranged on the third connecting plate, the third connecting plate can reciprocate between the rotary table and the second transmission belt, and the circuit board cut on the cutting base is clamped by the second clamping arm and placed on the second transmission belt to be transported away.
2. The apparatus for cutting circuit board as claimed in claim 1, wherein the turntable is provided with a horizontal beam and a longitudinal beam perpendicular to each other on the top of the cutting base, wherein the horizontal beam is fixed and the longitudinal beam is capable of moving on the horizontal beam, and the first connecting plate, the second connecting plate and the third connecting plate are slidably disposed on the longitudinal beam.
3. The circuit board cutting device according to claim 1, wherein the first cutting mechanism and the first clamping mechanism are fixedly connected to the first connecting plate, and are respectively disposed at two sides of the longitudinal beam, the first cutting mechanism includes a first cutting motor capable of moving up and down, the first clamping mechanism includes a first clamping base capable of moving up and down, a pair of first clamping plates is disposed on the first clamping base, and the circuit board can be clamped by adjusting a distance between the two first clamping plates.
4. The apparatus for cutting a circuit board as claimed in claim 3, wherein the first clamping base is provided with a driving motor, the driving motor is connected to a driving gear through a transmission system, the first clamping base is provided with a pair of sliding racks engaged with the driving gear, and the pair of clamping plates are respectively connected to ends of the two sliding racks.
5. The apparatus for cutting a circuit board according to claim 1, wherein the third connecting plate is installed and connected with a spline shaft which is vertically disposed, the spline shaft can rotate around its axis, and the spline shaft can perform a lifting motion on the third connecting plate, a fixed block is connected to the bottom of the spline shaft, the fixed block is connected with the second clamping base, a pair of second clamping plates for clamping the circuit board is provided on the second clamping base, and the circuit board can be clamped by adjusting a distance between the pair of second clamping plates.
6. The apparatus for cutting a circuit board as defined in any one of claims 3 or 5, wherein the pair of first holding plates and the pair of second holding plates are respectively mounted on the holding base through a buffer base, and the first holding plates and the second holding plates are fixed on the buffer base through springs, the first holding base and the first holding plates can stretch the springs when holding the circuit board, and the second holding plates can compress the springs when holding the circuit board.
7. The apparatus for cutting a circuit board as claimed in claim 1, wherein a groove for placing a cutting base is provided on the turntable, and a cutter placing groove and a cutter accommodating case are provided at a side portion of the groove, wherein a plurality of cutters are placed in the cutter placing groove.
8. The apparatus for cutting circuit board according to claim 7, wherein the cutting base is provided with a moving slot for the cutter to travel, the moving slot penetrates through the cutting base, and a suction machine is provided at the bottom of the groove, the suction machine comprises a suction cylinder vertically disposed, the suction cylinder can move at the bottom of the turntable, and the moving direction is the same as the direction of the cutter.
9. The apparatus for cutting a circuit board as claimed in claim 1, wherein the turntable is fixed at its central bottom portion to the base by a pivoting support, and a plurality of support bases are provided on the base in a circumferential direction of the turntable, and a pulley is provided on a top portion of the support base to contact with a bottom portion of the turntable.
10. The cutting method of the circuit board cutting device according to claim 1, comprising the steps of:
the combined circuit board to be cut is transmitted to the front of the rotary table through the first conveyor belt, the first connecting plate is controlled to move to the position above the first conveyor belt, the combined circuit board to be cut is clamped through the first clamping arm and then conveyed to the cutting base, and the combined circuit board is cut through the first cutter along the first direction;
after the first cutter finishes cutting, resetting, rotating the turntable to rotate the cutting base to the position below the second connecting plate, and cutting along the second direction by controlling the second cutter;
and the second cutter resets after cutting, the cutting base is rotated to the lower part of the third connecting plate by rotating the turntable, the second clamping arm on the third connecting plate is controlled to clamp the cut circuit board, and the cut circuit board is put on the second conveying belt to be conveyed away by the movement of the third connecting plate.
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| CN202110677739.6A CN113386197B (en) | 2021-06-18 | 2021-06-18 | Circuit board cutting device and method |
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| CN202110677739.6A CN113386197B (en) | 2021-06-18 | 2021-06-18 | Circuit board cutting device and method |
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Cited By (1)
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|---|---|---|---|---|
| CN115781791A (en) * | 2022-11-16 | 2023-03-14 | 深圳市华联森自动化设备有限公司 | Circuit board processing device |
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|---|---|
| CN113386197B (en) | 2023-04-28 |
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Denomination of invention: A circuit board cutting device and method Effective date of registration: 20230531 Granted publication date: 20230428 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO SINNWAKK AUTOMOTIVE EQUIPMENTS Co.,Ltd. Registration number: Y2023370010062 |
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