CN110253363A - The printed circuit board of automatic loading/unloading throws edge equipment - Google Patents
The printed circuit board of automatic loading/unloading throws edge equipment Download PDFInfo
- Publication number
- CN110253363A CN110253363A CN201910504313.3A CN201910504313A CN110253363A CN 110253363 A CN110253363 A CN 110253363A CN 201910504313 A CN201910504313 A CN 201910504313A CN 110253363 A CN110253363 A CN 110253363A
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- China
- Prior art keywords
- plate
- support frame
- several
- polishing
- driving
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/007—Weight compensation; Temperature compensation; Vibration damping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/06—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by liquid or gas pressure only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a kind of printed circuit boards of automatic loading/unloading to throw edge equipment, driving motor and several drive shafts are drivingly connected, the rotation connection of the both sides of drive shaft and support frame, driving motor is connect with support frame, lifting cylinder connect with support frame and is arranged in the lower section of several drive shafts, and lifting cylinder drives each support plate to move up and down across an axial play by lifter plate；The both sides that two gripper cylinders are symmetricly set on several drive shafts are connect with support frame, and each gripper cylinder and a clamping push bracket are drivingly connected, and are worn seam for adjacent two and are passed through respectively by a drive shaft and a support plate；Two driving cylinders are symmetricly set on the top of several drive shafts and connect with support frame, and polishing motor and polishing roller are drivingly connected, and the wide mouth part that dust shroud is set to dust funnel forms dedusting chamber, and dust catcher is connected to by sweep-up pipe with the slot end of dust funnel；Workpiece polishing mechanism, elevating mechanism, part clamping device and part driving mechanism are contained in dedusting chamber.
Description
Technical field
The present invention relates to PCB polishing fields, throw edge equipment more particularly to a kind of printed circuit board of automatic loading/unloading.
Background technique
Manufacturing Technology for PCB is an extremely complex, comprehensive very high processing technology.Especially in wet process
In process, a large amount of water need to be used, thus is discharged there are many heavy metal wastewater thereby and organic wastewater, complicated component, processing is difficult
It spends larger.It is calculated by the utilization rate of printed circuit board copper foil for 30% ~ 40%, then the copper content in waste liquid, waste water is just
It is considerable.(every face copper thickness is 35 microns) is calculated by 10,000 square metres of dual platens, then waste liquid, the copper content in waste water
Just there are 4500 kilograms or so, and there are also many other heavy metals and noble metals.These are present in waste liquid, the metal in waste water such as
It is just discharged without processing, not only causes waste but also polluted environment.Therefore, the wastewater treatment and copper during PCB Production
The recycling of equal metals is meaningful, is indispensable part in PCB Production.
To printed circuit board carry out assembly line working process during, often because a variety of causes to pcb board into
Row cuts cutting.The case where corner for the printed circuit board that cutting is completed will appear overlap, dry foot, after being unfavorable for printed circuit board
The working process of phase.The equipment that tradition carries out throwing side to printed circuit board be all using the artificial placement for carrying out printed circuit board and
Recycling.However, artificial place and recycle printed circuit board inefficiency, cost in a manner of cooperating printed circuit board to throw edge equipment
It is high.
Summary of the invention
Based on this, it is necessary to place and recycle printed circuit board for artificial to cooperate printed circuit board to throw the side of edge equipment
Formula inefficiency, problem with high costs, the printed circuit board for providing a kind of automatic loading/unloading throw edge equipment.
A kind of printed circuit board throwing edge equipment of automatic loading/unloading, the printed circuit board of the automatic loading/unloading throw edge equipment packet
It includes: transport mechanism, driving mechanism, elevating mechanism, clamping device, two workpiece polishing mechanisms, dust collection mechanism and support structure；
The driving mechanism includes driving motor, several drive shafts and support frame, the driving motor and several drivings
Axis is drivingly connected, and the both sides of the drive shaft and support frame as described above are rotatablely connected, and the driving motor is connect with support frame as described above,
Several driving wheels are provided in the drive shaft；
The elevating mechanism includes lifting cylinder, lifter plate and several support plates, and the lifting cylinder and support frame as described above connect
Connect and be arranged in the lower section of several drive shafts, the lifting cylinder and the lifter plate are drivingly connected, the support plate with
One side of the lifter plate far from the lifting cylinder vertically connects, and several support plates are parallel to each other and are spaced setting, phase
Gap between adjacent two drive shafts is axial play, and the lifting cylinder drives each support plate to pass through by the lifter plate
One axial play moves up and down；
The clamping device includes two gripper cylinders and two clamping push bracket, and two gripper cylinders are symmetricly set on several described
The both sides of drive shaft are connect with support frame as described above, and each gripper cylinder and a clamping push bracket are drivingly connected, the clamping push bracket packet
Include connecting rod and several gag lever posts, several gag lever posts are parallel to each other and are spaced setting, several gag lever posts respectively with institute
The side for stating connecting rod vertically connects, and is formed between two neighboring gag lever post and wears seam, and the size for wearing seam is greater than the driving
The size of wheel and the support plate is worn seam for adjacent two and is passed through respectively by a drive shaft and a support plate；
The workpiece polishing mechanism includes two driving cylinders and two sanding components, and two driving cylinders are symmetricly set on several described
The top of drive shaft and connect with support frame as described above, the sanding component include " " type polish supporting plate, polishing motor and
Polishing roller, the polishing motor are drivingly connected with the polishing roller, the polishing roller and the " [ both ends turn of " type polishing supporting plate
Dynamic to connect, " [ " type polishing supporting plate is drivingly connected, and the driving cylinder drives the polishing described in each driving cylinder and one
The direction of motion of component drives the direction of motion of the clamping push bracket perpendicular with the gripper cylinder；
The dust collection mechanism includes dust cover, dust funnel, sweep-up pipe and dust catcher；The dust shroud is leaked set on the dust
The wide mouth part of bucket forms dedusting chamber, and the dust catcher is connected to by the sweep-up pipe with the slot end of the dust funnel；It is described
Workpiece polishing mechanism, the elevating mechanism, the part clamping device and part driving mechanism are contained in the dedusting chamber；Institute
The two sides for stating dust cover are symmetrically arranged with parallel-moving type light beam induction door；
The transport mechanism and the support structure are located at the two sides of the driving mechanism；
The transport mechanism includes transport motor and conveyer belt, and the transport motor is connect with the belt-driven, the biography
Band is sent to be slidably connected with support frame as described above, the transport motor is connect with support frame as described above, and the conveyer belt is far from the support
Frame offers several containers on one side；
The support structure includes two pusher cylinders, two undertaking bent plates and loading plate, the cross section for accepting bent plate
For L-type, each pusher cylinder is drivingly connected with an one side for accepting bent plate, the bending place for accepting bent plate and institute
Support frame rotation connection is stated, two pusher cylinders and two accept the two sides that bent plate is symmetricly set on support frame as described above, two institutes
It states to accept to be formed between bent plate and accepts space, the loading plate is connect with support frame as described above, and the bearing plate setting is held described
Connect the underface in space.
The middle section of each pusher cylinder and an one side for accepting bent plate is driven in one of the embodiments,
Dynamic connection.
The support structure further includes two fixed plates and several fixed links in one of the embodiments, described in two
Fixed plate is symmetrically arranged at the both sides of support frame as described above, and several fixed links are each passed through two fixed plates and two
The both ends of a support frame connect, and the push rod of each pusher cylinder passes through the one of a fixed plate and a undertaking bent plate
Face is drivingly connected, and the bending place for accepting bent plate and the fixed plate are rotatablely connected.
Several fixed link uniform intervals settings in one of the embodiments,.
Several fixed links are each passed through two fixed plates and two fixations in one of the embodiments,
Plate is slidably connected.
The two sides of the bearing plate are provided with place-limited edge in one of the embodiments,.
The surrounding of the bearing plate is provided with place-limited edge in one of the embodiments,.
The support structure further includes lifting actuator in one of the embodiments, and the lifting actuator setting exists
The bearing plate is connect far from the one side for accepting space with support frame as described above, and the lifting actuator and the bearing plate drive
Dynamic connection, the lifting actuator drive the bearing plate close to or far from the undertaking spatial movement.
The lifting actuator is telescopic cylinder in one of the embodiments,.
The lifting actuator is lead screw motor in one of the embodiments,.
The printed circuit board of above-mentioned automatic loading/unloading throws edge equipment during the work time, and the transport motor in transport mechanism drives
It moves the conveyer belt to drive PCB in several drive shafts sent into driving mechanism, the driving motor driving in driving mechanism is several
Drive shaft turns are to drive several driving wheels to rotate, and several driving wheel rotations are to drive PCB to be polished to reach specific polishing
Position.After the PCB that polishes reaches specific polishing position, lifting cylinder drives several support plates across several by lifter plate
Axial play jacks up PCB to be polished to certain height.The gripper cylinder for being symmetricly set on the both sides of several drive shafts pushes clamping to push away
Frame is gripped to the PCB to be polished come is risen.Driving cylinder drives sanding component to the both sides of PCB to be polished, beats
It polishes on the both sides that polishing PCB is treated in polishing motor driven polishing roller rotation in mill component.Dust catcher in dust collection mechanism
The dust in dedusting chamber is siphoned away by sweep-up pipe.Drive cylinder driving sanding component far from PCB to be polished after polishing.Folder
Cylinder driving clamping push bracket is held far from PCB to be polished.Lifting cylinder driving lifter plate moves downward, so that the height of support plate is low
In the height of drive shaft, the PCB to have polished is placed into several drive shafts.Driving motor drives several drive shaft turns,
The PCB to have polished is sent in the undertaking space formed between two undertaking bent plates from specific region, so that polishing
The both ends of PCB be placed on two undertaking bent plates.Pusher cylinder pushes the one side driving undertaking bent plate for accepting bent plate to occur to turn
It is dynamic, so that the good PCB that polishes slides from two undertaking bent plates to loading plate.The printed circuit board of above-mentioned automatic loading/unloading is thrown
The speed of edge equipment polishing PCB is fast, high-efficient, error rate is low, is conducive to the large-scale production of PCB.
Detailed description of the invention
Fig. 1 is that the printed circuit board of automatic loading/unloading in one embodiment throws the structural schematic diagram of edge equipment；
Fig. 2 is that the printed circuit board of automatic loading/unloading in one embodiment throws the partial structure diagram of edge equipment；
Fig. 3 is that the printed circuit board of automatic loading/unloading in one embodiment throws the structural schematic diagram of edge equipment；
Fig. 4 is the partial structure diagram of driving mechanism in one embodiment；
Fig. 5 is the partial structure diagram of elevating mechanism in one embodiment；
Fig. 6 is the structural schematic diagram that push bracket is clamped in one embodiment；
Fig. 7 is that the printed circuit board of automatic loading/unloading in one embodiment throws the structural schematic diagram of edge equipment；
Fig. 8 is the structural schematic diagram of dust funnel in one embodiment；
Fig. 9 is the structural schematic diagram of transport mechanism and driving mechanism in one embodiment；
Figure 10 is that the printed circuit board of automatic loading/unloading in one embodiment throws the partial structure diagram of edge equipment；
Figure 11 is the structural schematic diagram of support structure in one embodiment；
Figure 12 is the structural schematic diagram of support structure in one embodiment；
Figure 13 is that the printed circuit board of automatic loading/unloading in one embodiment throws the partial structure diagram of edge equipment.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited by the specific embodiments disclosed below.?
In description of the invention, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ",
"upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " clockwise ", " inverse
The orientation or positional relationship of the instructions such as hour hands ", " axial direction ", " radial direction ", " circumferential direction " is that orientation based on the figure or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be with
It is directly to another element or may be simultaneously present centering elements.Term as used herein " vertically ", " level
", "upper", "lower", "left", "right" and similar statement for illustrative purposes only, be not offered as being uniquely to implement
Mode.
Also referring to Fig. 1 to Fig. 3, the printed circuit board that the present invention provides a kind of automatic loading/unloading throws edge equipment, should be certainly
It includes: driving mechanism 100, elevating mechanism 200, clamping device 300 and two that the printed circuit board of dynamic loading and unloading, which throws edge equipment,
Workpiece polishing mechanism 400.Driving mechanism 100 is for driving PCB to be polished to specific position to cooperate elevating mechanism 200 and clamping machine
Structure 300 treats polishing PCB respectively and is jacked and gripped.Elevating mechanism 200 for will on the specific position to
The PCB that polishes is jacked to preset height.Clamping device 300 is used to grip the PCB to be polished of jacking to preset height.
The both sides that two workpiece polishing mechanisms 400 are used to treat polishing PCB carry out grinding process.
Specifically, driving mechanism 100 includes driving motor 110, several drive shafts also referring to Fig. 1, Fig. 2 and Fig. 4
120 and support frame 130, driving motor 110 is drivingly connected with each drive shaft 120 respectively.Further, driving motor 110 is logical
V-belt 140 is crossed to be drivingly connected with each drive shaft 120 respectively.Drive shaft 120 and support frame 130 are rotatablely connected, each drive shaft 120
It is arranged in parallel on support frame 130, driving motor 110 is connect with support frame 130, and several driving wheels are provided in drive shaft 120
121.Driving motor 110 is for driving each drive shaft 120 to rotate, and each driving wheel 121 being arranged in drive shaft 120 is for accepting simultaneously
Drive PCB to be polished mobile.Further, each drive shaft 120 is uniformly arranged on support frame 130, and several driving wheels 121 are uniformly
It is arranged in drive shaft 120, so that PCB uniform force in the process of running, avoids PCB to be polished from leading because of discontinuity
Running track is caused to shift.
Also referring to Fig. 1, Fig. 2 and Fig. 5, elevating mechanism 200 includes lifting cylinder 210, lifter plate 220 and several
Fagging 230.Lifting cylinder 210 is for driving lifter plate 220 to move up and down, so that several support plates 230 be driven to move up and down.It rises
Sending down abnormally ascending cylinder 210 connect with support frame 130 and is arranged in the lower section of several drive shafts 120, and lifting cylinder 210 and lifter plate 220 drive
Dynamic connection, one side of the support plate 230 with lifter plate 220 far from lifting cylinder 210 is vertical to be connect, and several support plates 230 are mutually flat
It goes and interval is arranged, the gap between two neighboring drive shaft 120 is axial play 150, and lifting cylinder 210 is driven by lifter plate 220
Each support plate 230 is moved to move up and down across an axial play 150.
Referring to Figure 2 together, Fig. 3 and Fig. 6, clamping device 300 include two gripper cylinders 310 and two clamping push bracket
320, two gripper cylinders 310 are symmetricly set on the both sides of several drive shafts 120 and connect respectively with support frame 130, each folder
It holds cylinder 310 and a clamping push bracket 320 is drivingly connected.Clamping push bracket 320 includes connecting rod 321 and several gag lever posts 322, each limit
Position bar 322 is parallel to each other and is spaced setting, and each gag lever post 322 is vertical with the side of connecting rod 321 respectively to be connect, two neighboring limit
It being formed between the bar 322 of position and wears seam 301, the size for wearing seam 301 is greater than the size of driving wheel 121 and support plate 230, and adjacent two
A seam 301 of wearing is passed through by a drive shaft 120 and a support plate 230 respectively.Each gripper cylinder of the both sides setting of drive shaft 120
310 driving, one clamping push bracket 320 grips the PCB to be polished jacked to preset height.
Referring to Fig. 3, workpiece polishing mechanism 400 includes two driving cylinders 410 and two sanding components 420, each driving gas
Cylinder 410 is for driving a sanding component 420 to move close to or far from the PCB to be polished.Two driving cylinders 410 are symmetrical arranged
Several drive shafts 120 top and connect with support frame 130, sanding component 420 include " " type polishing supporting plate 421, beat
Electric mill machine 422 and polishing roller 423, polishing motor 422 and polishing roller 423 be drivingly connected, i.e., polishing motor 422 output end with
Polish roller 423 be rotatablely connected, polishing motor 422 with " " type polishing supporting plate 421 connect, polish roller 423 and " " type polishing supporting plate
421 both ends rotation connection.Polish motor 422 for drive polishing roller 423 rotate, polishing roller 423 for treat polishing PCB into
Row polishing.Each driving cylinder 410 and " [ " type polishing a drive connection of supporting plate 421.Cylinder 410 is driven to drive sanding component 420
The direction of motion and gripper cylinder 310 driving clamping push bracket 320 the direction of motion it is perpendicular.
The printed circuit board of above-mentioned automatic loading/unloading throws edge equipment during the work time, the driving electricity in driving mechanism 100
Machine 110 drives several rotations of drive shaft 120 to drive several driving wheels 121 to rotate, and several rotations of driving wheel 121 are put with driving
The PCB to be polished being placed in several drive shafts 120 reaches specific polishing position.When PCB to be polished reaches specific polishing position
It postpones, lifting cylinder 210 drives several support plates 230 to pass through several axial plays 150 by lifter plate 220, will PCB jacking be polished
To preset height.The gripper cylinder 310 for being symmetricly set on the both sides of several drive shafts 120 pushes clamping 320 pairs of jackings of push bracket to arrive
The PCB to be polished of preset height is gripped.Drive cylinder 410 by the driving of sanding component 420 to the two of PCB to be polished
Side, the polishing motor 422 driving polishing roller 423 in sanding component 420, which rotates, to be treated the both sides of polishing PCB and polishes.When beating
After mill component 420 treats polishing PCB polishing, driving cylinder 410 drives sanding component 420 far from PCB to be polished.Clamp gas
The driving clamping push bracket 320 of cylinder 310 is far from PCB to be polished.Lifting cylinder 210 drives lifter plate 220 to move downward, so that support plate
230 height is lower than the height of drive shaft 120, and the PCB to have polished is placed into several drive shafts 120.Driving motor 110
It drives several drive shafts 120 to rotate by V-belt 140, the PCB to have polished is sent out from specific region, to next
PCB to be polished polishes.The speed that the printed circuit board of above-mentioned automatic loading/unloading throws edge equipment polishing PCB is fast, it is high-efficient, go out
Error rate is low, is conducive to the large-scale production of PCB.
In order to increase the job stability of workpiece polishing mechanism 400, in one of the embodiments, referring to Fig. 3, workpiece polishing mechanism
400 further include the lateral push plates 440 of two laterally driven cylinders 430 and two, each laterally driven cylinder 430 and a transverse direction push plate
440 are drivingly connected, and each transverse direction push plate 430 is connect with a driving cylinder 410, and two laterally driven cylinders 430 are symmetricly set on
It the top of several drive shafts 120 and is connect with support frame 130, laterally driven cylinder 430 drives the movement of lateral push plate 440
Direction drives the direction of motion of sanding component 420 perpendicular with driving cylinder 410.Polishing PCB is treated in workpiece polishing mechanism 400 to carry out
When polishing, a laterally driven cylinder 430 drives a sanding component 420 to move back and forth and treats polishing PCB by a lateral push plate 440
Corner accurately polished.In this way, the left and right that laterally driven cylinder 430 and lateral push plate 440 realize sanding component 420 is moved
It is dynamic, the polishing flexibility of workpiece polishing mechanism 400 is improved, the job stability of workpiece polishing mechanism 400 is increased.
In order to improve the job stability of elevating mechanism 200, in one of the embodiments, referring to Fig. 5, support plate
230 are provided with support anti-slip layer 231 backwards to lifter plate 220 on one side.Further, support anti-slip layer 231 is anti-slip rubber, is prevented
Anti-skid chequer is provided on sliding rubber.Anti-slip rubber is softer tougher relative to flexible plastic relative to metal.And prevent
The wear-resisting property of sliding rubber is preferable, and the durability of support plate 230 is increased in prolonged transmit process, extends support plate
230 service life.On the other hand, anti-slip rubber avoids directly contacting for support plate 230 and PCB to be polished, and increases pair
The protective value of PCB to be polished.Support anti-slip layer 231 increases the frictional force of PCB to be polished Yu lifter plate 220, so that lifting
Mechanism 200 treats during polishing PCB is jacked and clamping device 300 treats the mistake that polishing PCB is gripped
Cheng Zhong, PCB to be polished are not easy to slide in support plate 230, improve the job stability of elevating mechanism 200.
In order to improve the security performance of clamping device 300, referring to Fig. 6, two clampings push away in one of the embodiments,
Close to each other being provided on one side of frame 320 clamps buffer layer 323.Further, clamping buffer layer is yielding rubber.In the folder
It holds the driving clamping push bracket 320 of cylinder 310 and treats polishing PCB when gripping, elastic deformation shaping groove occurs for yielding rubber, to
Polishing PCB is fallen into groove, the contact area between PCB and yielding rubber to be polished is increased, to increase PCB to be polished
Frictional force between yielding rubber, and then increase the clamping stability that clamping device 300 treats polishing PCB.Wherein one
In a embodiment, clamping buffer layer is buffering sponge.Clamping buffer layer 323 avoids clamping push bracket 320 and PCB to be polished hardness
Contact improves the protective value that clamping device 300 treats polishing PCB.
In order to improve the non-skid property of driving wheel 121, the outside of driving wheel 121 is provided in one of the embodiments,
Anti-slip rubber layer.In the present embodiment, anti-slip rubber layer is soft rubber set.Soft rubber set is relative to the softer phase of metal
It is tougher for flexible plastic.And the wear-resisting property of soft rubber band is preferable, increases in prolonged transmit process
The durability of driving wheel 121 extends the service life of driving wheel 121, also, soft rubber set increases and treats polishing PCB
Protective value.The coefficient of friction of soft rubber set is larger, and PCB to be polished is being transported through between Cheng Zhongyu driving wheel 121
Frictional force is larger, increases the non-skid property of driving wheel 121.Further, in the present embodiment, the outside of soft rubber set is set
It is equipped with anti-skid chequer, further to increase the non-skid property of driving wheel 121.The outside of driving wheel in one of the embodiments,
It is provided with anti-skid chequer.In this way, improving the non-skid property of driving wheel 121, driving wheel 121 is increased and wait between the PCB that polishes
Frictional force, so that the printed circuit board for increasing automatic loading/unloading throws the job stability of edge equipment.
In order to improve the environmental-protecting performance that the printed circuit board of automatic loading/unloading throws edge equipment, in one of the embodiments,
Referring to Fig. 7, it further includes dust collection mechanism 500 that the printed circuit board of automatic loading/unloading, which throws edge equipment, dust collection mechanism 500 includes dust-proof
Cover 510, dust funnel 520, sweep-up pipe 530 and dust catcher 540.The wide mouth part that dust cover 510 is covered on dust funnel 520 is formed
Dedusting chamber 501, dust catcher 540 are connected to by sweep-up pipe 530 with the slot end of dust funnel 520.Dust cover 510 and dust funnel
520 connect with support frame 130.Workpiece polishing mechanism 400, elevating mechanism 200, part clamping device 300 and part driving mechanism
100 are contained in dedusting chamber 501.In the present embodiment, dust cover 510 is transparent glass cover, further, dust cover 510
For transparent toughened glass cover, to facilitate user to observe driving mechanism 100, elevating mechanism 200, part clamping device 300 and beat
The working condition of grinding machine structure 400.In another embodiment, dust cover 510 is transparent plastic.It should be noted that polishing
Mechanism 400, which treats during polishing PCB is polished, can generate a large amount of dust, and dust cover 510 is covered on dust funnel 520
Dedusting chamber 501 is formed by for preventing to generate a large amount of diffussion of dust in bruting process to the external world, prevents a large amount of dust pair
The environment that the printed circuit board of automatic loading/unloading throws the edge equipment external world pollutes.Dust catcher 540 is used for right by sweep-up pipe 530
The a large amount of dust generated in bruting process is adsorbed, and is avoided a large amount of dust and is caused shadow to the polishing work of workpiece polishing mechanism 400
It rings.
Dust catcher 540 is caused to damage in order to avoid the bulky grain fragment generated in bruting process enters in dust catcher 540
Bad, referring to Figure 7 together and Fig. 8, the wide mouth part of dust funnel 520 is provided with the first filter screen in one of the embodiments,
521, the first filter screen 521 offers lifting perforation 502, and the push rod of lifting cylinder 210 pushes lifter plate by lifting perforation 502
220 movements.Further, the first filter screen 521 is low efficient filter screen.Low efficient filter screen is used for thin to what is generated in bruting process
Slag, coarse powder are filtered.In another embodiment, the first filter screen is ventilating filter screen.Ventilating filter screen resistance to acid and alkali
By force, good corrosion resistance, resistance are low, and can be cleaned repeatedly, and economy is comparatively very high.In addition, ventilation filter
Net captured long and short fiber and grit easy cleaning, filter efficiency is not influenced by cleaning, and impact resistant strength is very good.In order into one
Step improves the protective value to dust catcher 540, and the slot end of dust funnel 520 is provided with second in one of the embodiments,
Filter screen (not shown).Second filter screen is metal-rubber filter screen.Metal-rubber filter screen is made of stainless steel wire, is had
Capillary open structure is suitable under the environment such as high/low temperature, the big temperature difference, high pressure, high vacuum, intense radiation, high vibration and corrosion
The filtering of air-liquid body.Metal-rubber filter screen has that corrosion-resistant, intensity is big, shock proof characteristic.Metal-rubber filters Netcom simultaneously
Cross the thickness using silk, the density of metal-rubber, filter screen thickness can adjust the filtering accuracy of filter screen.In cleaning
When, it is easy to restore its original density, it is easy to clean.In this way, the first filter screen that the wide mouth part of dust funnel 520 is arranged
521, which can be effectively avoided the bulky grain fragment generated in bruting process, enters in dust catcher 540 and causes to damage to dust catcher 540
Wound.
The noise that generates during the work time of edge equipment is thrown to ring around in order to reduce the printed circuit board of automatic loading/unloading
The influence in border, dust collection mechanism 500 further includes silencing cotton in one of the embodiments, and the side cover wall of dust cover offers noise reduction
Chamber, silencing cotton are set in silencing cavity.Silencing cotton is centrifugally glass-wool in one of the embodiments, inside centrifugally glass-wool
Fiber fluffy interlocks, and there are a large amount of small holes, is typical porous sound-absorbing material, has good sound absorption characteristics.?
In one embodiment, silencing cotton is polyester acoustical cotton.Polyester acoustical cotton has that sound absorption qualities are good, good heat insulating, fire-retardant
Property the good, good characteristics such as environmental-protecting performance is high, light weight, easy processing, anti-impact force are strong, be adapted to special engraving operating environment.
It is generated during the work time in this way, silencing cotton 120 throws edge equipment in the printed circuit board for being effectively reduced reduction automatic loading/unloading
Noise while improve the security performance of dust cover.
In order to improve the dust removing effects that the printed circuit board of automatic loading/unloading throws edge equipment, Figure 13 is please referred to, wherein one
In a embodiment, the two sides of dust cover 510 are symmetrically arranged with parallel-moving type light beam induction door 511.When driving mechanism 100 will be wait polish
When PCB is sent to dedusting chamber 501, the parallel-moving type light beam induction door 511 of 510 side of dust cover is sensed to be opened after the PCB that polishes,
After the PCB that polishes is sent to dedusting chamber 501, the parallel-moving type light beam induction door 511 of 510 side of dust cover is closed.Work as sander
After structure 400 treats polishing PCB polishing, the PCB that polishing finishes is expelled dedusting chamber 501, dust cover 510 by driving mechanism 100
The parallel-moving type light beam induction door 511 of the other side is opened after sensing the PCB that polishing finishes, when the PCB that finishes of polishing is from dedusting chamber
After expelling in 501, the parallel-moving type light beam induction door 511 of 510 side of dust cover is closed.In this way, the two sides of dust cover 510 are symmetrically set
Being equipped with parallel-moving type light beam induction door 511 can be timely while guaranteeing that workpiece polishing mechanism 400 treats polishing PCB polishing incessantly
Dedusting chamber 501 is closed, further improve automatic loading/unloading printed circuit board throw edge equipment dust removing effects.
In order to increase the working efficiency that the printed circuit board of automatic loading/unloading throws edge equipment, in one of the embodiments,
Also referring to Fig. 9 and Figure 10, transport mechanism 600 and support structure 700 are located at the two sides of driving mechanism 100.Conveyer
PCB to be polished is pushed to driving mechanism 100 for transmitting PCB to be polished by structure 600.Support structure 700 is for milled of fighting each other
Pcb board recycled.Transport mechanism 600 includes transport motor 610 and conveyer belt 620.Transport motor 610 and conveyer belt 620
It is drivingly connected, conveyer belt 620 is slidably connected with support frame 130, and transport motor 610 is connect with support frame 130.Transport motor 610
For driving conveyer belt 620 to be driven along support frame 130, conveyer belt 620 is for placing PCB to be polished, and support frame 130 is for holding
Connect transport motor 610 and conveyer belt 620.Conveyer belt 620 offers several containers 601 far from support frame 130 on one side.Wait beat
The size of mill PCB is adapted with the size of container 601, and each container 601 accommodates a PCB to be polished, to avoid wait beat
Mill PCB is slided on conveyer belt 620, leads to the mutual gouging abrasion of PCB to be polished, and improves the yield of PCB processing.
In the present embodiment, several containers 601 are uniformly opened on conveyer belt 620, to improve the utilization rate of conveyer belt 620 to improve
Treat the bearing capacity of polishing PCB.The printed circuit board of automatic loading/unloading throws edge equipment during the work time, in transport mechanism 600
Transport motor 610 drive conveyer belt 620 to move, the container 601 opened up on conveyer belt 620 for placing PCB to be polished,
PCB is pushed in several drive shafts 120 in driving mechanism 100 under the impetus of conveyer belt 620.In this way, conveyer
Structure 600 can provide PCB to be polished incessantly for driving mechanism 100, and the printed circuit board for increasing automatic loading/unloading throws side
The working efficiency of equipment.
In order to improve conveyer belt 620 to the protective value and rustless property of PCB, referring to Fig. 9, one embodiment wherein
In, conveyer belt 620 is provided with buffering sponge 621 in the medial surface of container 601.Buffering sponge 621 is to being contained in container 601
In PCB play the role of buffering decompression.Specifically, buffering sponge 621 is polyvinylalcohol sponge.That is, buffering sea
The material of silk floss 621 is polyvinyl alcohol.The water absorbing properties with higher of buffering sponge 621 of polyvinyl alcohol material, can absorb flowing water
The water droplet adhered on PCB during line processing PCB is realized and is further dried to PCB, avoided on PCB
Metal parts is corroded rapidly.In this way, conveyer belt 620 improves pair in the buffering sponge 621 that the medial surface of container 601 is arranged
The protective value and rustless property of PCB.
In order to preferably accept the PCB to have polished, also referring to Figure 11 to Figure 13, hold in one of the embodiments,
Connection mechanism 700 includes two pusher cylinders, 710, two undertaking bent plates 720 and loading plate 730, accepts the cross section of bent plate 720
For L-type, the one side of each pusher cylinder 710 and a undertaking bent plate 720 is drivingly connected.Further, each pusher cylinder 710 with
One middle section for accepting the one side of bent plate 720 is drivingly connected.The bending place and support frame 130 for accepting bent plate 720 are rotatablely connected,
Two pusher cylinders 710 and two accept the two sides that bent plates 720 are symmetricly set on support frame 130, between two undertaking bent plates 720
It is formed and accepts space 701, loading plate 730 is connect with support frame 130, and the underface for accepting space 701 is arranged in bearing plate 730.
After workpiece polishing mechanism 400 treats polishing PCB polishing, driving cylinder 410 drives sanding component 420 far from the PCB to have polished.
The driving clamping push bracket 320 of gripper cylinder 310 is far from the PCB to have polished.Lifting cylinder 210 drives lifter plate 220 to move downward, and makes
The height for obtaining support plate 230 is lower than the height of drive shaft 120, and the PCB to have polished is placed into several drive shafts 120.It drives
Dynamic motor 110 drives several drive shafts 120 to rotate, and the PCB to have polished is sent to two undertaking bent plates from specific region
In the undertaking space 701 formed between 720, so that the both ends for the good PCB that polishes are placed on two undertaking bent plates 720.It pushes
Cylinder 710 pushes the one side for accepting bent plate 720 driving to accept bent plate 720 and rotates, so that the good PCB that polishes is accepted from two
It slides on bent plate 720 to loading plate 730.User is facilitated to fight each other in this way, support structure 700 effectively accepts the PCB to have polished
The PCB of milled carries out unified collect and transports.
In order to expand the scope of application of support structure 700, also referring to Figure 11 to Figure 13, one embodiment wherein
In, support structure 700 further includes two fixed plates 740 and several fixed links 750, and two fixed plates 740 are symmetrically arranged at
The both sides of support frame 130, several fixed links 750 are each passed through two fixed plates 740 and connect with the both ends of two support frames 130,
The push rod of each pusher cylinder 710 passes through a fixed plate 740 and the one side of a undertaking bent plate 720 is drivingly connected, and accepts bent plate 720
Bending place and fixed plate 740 be rotatablely connected.That is, pusher cylinder 710 and undertaking bent plate 720 pass through 740 He of fixed plate
Fixed link 750 more firmly with support frame 130 together.Further, several 750 uniform intervals of fixed link settings, so that
Each 750 uniform stressed of fixed link is obtained, the service life of support structure 700 is improved.If solid in one of the embodiments,
Fixed pole 750 is each passed through two fixed plates 740 and is slidably connected with two fixed plates 740.Pass through adjustment fixing plate 740 and fixed link
750 relative position accepts the width in space 701 to adjust, to be adapted to various sizes of PCB.In this way, expanding support structure
700 scope of application.
Sliding occurs when slid from two undertaking bent plates 720 in order to avoid the PCB to have polished to loading plate 730 from carrying
Damage is slid on plate 730, the two sides of bearing plate are provided with place-limited edge in one of the embodiments,.Further, bearing plate
Surrounding is provided with place-limited edge.The inner sidewall of place-limited edge is provided with buffer layer, and buffer layer is soft rubber, in another embodiment
In, buffer layer is sponge.In this way, place-limited edge limits sliding space of the PCB to have polished on loading plate 730, avoids and beat
Sliding occurs when the PCB of milled is slid from two undertaking bent plates 720 to loading plate 730 and slides damage from loading plate 730.
In order to improve support structure 700 fight each other milled PCB protective value, please refer to Figure 11, wherein one implementation
In, support structure 700 further includes lifting actuator 760, and the setting of lifting actuator 760 is in bearing plate 730 far from undertaking space
701 one side is connect with support frame 130, and lifting actuator 760 and bearing plate 730 are drivingly connected, and the lifting driving of actuator 760 is held
Fishplate bar 730 is moved close to or far from space 701 is accepted.Lifting actuator is telescopic cylinder in one of the embodiments,.At it
In middle one embodiment, lifting actuator is lead screw motor.When the PCB to have polished is slid from two undertaking bent plates 720 to holding
Actuator 760 is gone up and down when support plate 730 drives bearing plate 730 to move close to space 701 is accepted, and reduces and accepts bent plate 720 and accept
Height between plate 730.In this way, reducing the gravitional force of the PCB to have polished, avoid the PCB to have polished curved from two undertakings
The PCB to have polished is broken when landing to loading plate 730 on plate 720, improves the guarantor of the PCB of the air exercise milled of support structure 700
Protect performance.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of printed circuit board of automatic loading/unloading throws edge equipment characterized by comprising transport mechanism, driving mechanism, liter
Descending mechanism, clamping device, two workpiece polishing mechanisms, dust collection mechanism and support structure；
The driving mechanism includes driving motor, several drive shafts and support frame, the driving motor and several drivings
Axis is drivingly connected, and the both sides of the drive shaft and support frame as described above are rotatablely connected, and the driving motor is connect with support frame as described above,
Several driving wheels are provided in the drive shaft；
The elevating mechanism includes lifting cylinder, lifter plate and several support plates, and the lifting cylinder and support frame as described above connect
Connect and be arranged in the lower section of several drive shafts, the lifting cylinder and the lifter plate are drivingly connected, the support plate with
One side of the lifter plate far from the lifting cylinder vertically connects, and several support plates are parallel to each other and are spaced setting, phase
Gap between adjacent two drive shafts is axial play, and the lifting cylinder drives each support plate to pass through by the lifter plate
One axial play moves up and down；
The clamping device includes two gripper cylinders and two clamping push bracket, and two gripper cylinders are symmetricly set on several described
The both sides of drive shaft are connect with support frame as described above, and each gripper cylinder and a clamping push bracket are drivingly connected, the clamping push bracket packet
Include connecting rod and several gag lever posts, several gag lever posts are parallel to each other and are spaced setting, several gag lever posts respectively with institute
The side for stating connecting rod vertically connects, and is formed between two neighboring gag lever post and wears seam, and the size for wearing seam is greater than the driving
The size of wheel and the support plate is worn seam for adjacent two and is passed through respectively by a drive shaft and a support plate；
The workpiece polishing mechanism includes two driving cylinders and two sanding components, and two driving cylinders are symmetricly set on several described
The top of drive shaft and connect with support frame as described above, the sanding component include " " type polish supporting plate, polishing motor and
Polishing roller, the polishing motor are drivingly connected with the polishing roller, the polishing roller and the " [ both ends turn of " type polishing supporting plate
Dynamic to connect, " [ " type polishing supporting plate is drivingly connected, and the driving cylinder drives the polishing described in each driving cylinder and one
The direction of motion of component drives the direction of motion of the clamping push bracket perpendicular with the gripper cylinder；
The dust collection mechanism includes dust cover, dust funnel, sweep-up pipe and dust catcher；The dust shroud is leaked set on the dust
The wide mouth part of bucket forms dedusting chamber, and the dust catcher is connected to by the sweep-up pipe with the slot end of the dust funnel；It is described
Workpiece polishing mechanism, the elevating mechanism, the part clamping device and part driving mechanism are contained in the dedusting chamber；Institute
The two sides for stating dust cover are symmetrically arranged with parallel-moving type light beam induction door；
The transport mechanism and the support structure are located at the two sides of the driving mechanism；
The transport mechanism includes transport motor and conveyer belt, and the transport motor is connect with the belt-driven, the biography
Band is sent to be slidably connected with support frame as described above, the transport motor is connect with support frame as described above, and the conveyer belt is far from the support
Frame offers several containers on one side；
The support structure includes two pusher cylinders, two undertaking bent plates and loading plate, the cross section for accepting bent plate
For L-type, each pusher cylinder is drivingly connected with an one side for accepting bent plate, the bending place for accepting bent plate and institute
Support frame rotation connection is stated, two pusher cylinders and two accept the two sides that bent plate is symmetricly set on support frame as described above, two institutes
It states to accept to be formed between bent plate and accepts space, the loading plate is connect with support frame as described above, and the bearing plate setting is held described
Connect the underface in space.
2. the printed circuit board of automatic loading/unloading according to claim 1 throws edge equipment, which is characterized in that pushed away described in each
Take offence cylinder and one it is described accept bent plate one side middle section be drivingly connected.
3. the printed circuit board of automatic loading/unloading according to claim 1 throws edge equipment, which is characterized in that the undertaking machine
Structure further includes two fixed plates and several fixed links, and two fixed plates are symmetrically arranged at the both sides of support frame as described above,
Several fixed links are each passed through two fixed plates and connect with the both ends of two support frames, each pusher cylinder
Push rod pass through a fixed plate with one it is described accept bent plate one side be drivingly connected, it is described accept bent plate bending place with it is described
Fixed plate rotation connection.
4. the printed circuit board of automatic loading/unloading according to claim 3 throws edge equipment, which is characterized in that if described solid
The setting of fixed pole uniform intervals.
5. the printed circuit board of automatic loading/unloading according to claim 3 throws edge equipment, which is characterized in that if described solid
Fixed pole is each passed through two fixed plates and is slidably connected with two fixed plates.
6. the printed circuit board of automatic loading/unloading according to claim 1 throws edge equipment, which is characterized in that the bearing plate
Two sides be provided with place-limited edge.
7. the printed circuit board of automatic loading/unloading according to claim 1 throws edge equipment, which is characterized in that the bearing plate
Surrounding be provided with place-limited edge.
8. edge equipment is thrown to the printed circuit board of automatic loading/unloading described in any one of 7 claims according to claim 1,
It is characterized in that, the support structure further includes lifting actuator, and the lifting actuator setting is in the bearing plate far from described
The one side for accepting space is connect with support frame as described above, and the lifting actuator and the bearing plate are drivingly connected, and the lifting is driven
Moving part drives the bearing plate close to or far from the undertaking spatial movement.
9. the printed circuit board of automatic loading/unloading according to claim 8 throws edge equipment, which is characterized in that the lifting is driven
Moving part is telescopic cylinder.
10. the printed circuit board of automatic loading/unloading according to claim 8 throws edge equipment, which is characterized in that the lifting
Actuator is lead screw motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910504313.3A CN110253363B (en) | 2019-06-12 | 2019-06-12 | Printed circuit board edge polishing equipment capable of automatically feeding and discharging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910504313.3A CN110253363B (en) | 2019-06-12 | 2019-06-12 | Printed circuit board edge polishing equipment capable of automatically feeding and discharging |
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| CN110253363A true CN110253363A (en) | 2019-09-20 |
| CN110253363B CN110253363B (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910504313.3A Active CN110253363B (en) | 2019-06-12 | 2019-06-12 | Printed circuit board edge polishing equipment capable of automatically feeding and discharging |
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| CN110788573A (en) * | 2019-10-28 | 2020-02-14 | 浙江金马包装材料有限公司 | Production process of corrugated iron |
| CN110977672A (en) * | 2019-12-09 | 2020-04-10 | 安徽艺云玻璃有限公司 | Small-size edging machine for square glass processing |
| CN112589559A (en) * | 2020-12-14 | 2021-04-02 | 江西遂川光速电子有限公司 | Circuit board processing is with preventing rubbing board machine of jam |
| CN112702850A (en) * | 2020-12-30 | 2021-04-23 | 李成福 | Circuit board blanking device with protection structure for LED production |
| CN113957501A (en) * | 2021-11-02 | 2022-01-21 | 万奔电子科技股份有限公司 | Circuit board electroplating process of burning-resistant board |
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| EP2039464A1 (en) * | 2007-09-21 | 2009-03-25 | FOR.EL. BASE di VIANELLO FORTUNATO & C. S.n.c. | Automatic machine and automatic method for grinding the perimetric edge of glass sheets |
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| CN113957501A (en) * | 2021-11-02 | 2022-01-21 | 万奔电子科技股份有限公司 | Circuit board electroplating process of burning-resistant board |
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| CN110253363B (en) | 2021-03-12 |
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