CN115915625A - PCB cutting and deburring equipment - Google Patents
PCB cutting and deburring equipment Download PDFInfo
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- CN115915625A CN115915625A CN202211726712.2A CN202211726712A CN115915625A CN 115915625 A CN115915625 A CN 115915625A CN 202211726712 A CN202211726712 A CN 202211726712A CN 115915625 A CN115915625 A CN 115915625A
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- 238000005520 cutting process Methods 0.000 title abstract description 41
- 238000005498 polishing Methods 0.000 claims abstract description 122
- 238000009966 trimming Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 23
- 238000001125 extrusion Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 238000003466 welding Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 210000003141 lower extremity Anatomy 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 238000003698 laser cutting Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 241000883990 Flabellum Species 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to the field of PCB production, in particular to PCB cutting and deburring equipment which comprises a shell, wherein a polishing groove is formed in the shell, the front part and the rear part of the polishing groove penetrate through the shell, and a plurality of groups of polishing wheels are arranged at the bottom in the polishing groove; the grinding wheels are in a circular truncated cone shape, the two grinding wheels in the same group are symmetrically arranged on two sides of the grinding groove, the upper end and the lower end of each grinding wheel are rotatably connected in the shell, the lower end of each grinding wheel is fixedly connected with a belt pulley, a belt for twisting the rotation of the belt pulley penetrates out of the shell, a motor with a belt pulley is arranged on the outer side of the shell, and the belt pulley on the motor is in transmission connection with the belt pulley in the shell through the belt; the lower surface of the shell is provided with a chip removal hole; the cutting edge of the plate body is arranged between two polishing wheels rotating at a high speed, and the bottom surface in the polishing groove supports the plate body, so that the two sides of the cutting edge of the plate body are arranged between the two polishing wheels, and the polishing is more uniform.
Description
Technical Field
The invention relates to the field of PCB production, in particular to PCB cutting and deburring equipment.
Background
The PCB is an important electronic component of electronic equipment and is a support body of an electronic component, and various electronic components are welded on a plate body; in the production process of the PCB, in order to enable the PCB to adapt to electric elements with different specifications, the PCB needs to be cut; the existing cutting equipment generally comprises two types of cutting devices, namely laser cutting and saw blade cutting; laser cutting equipment cost is high, and the purchase cost is high, and later maintenance cost of maintenance is also high simultaneously, to some small-size producers, uses laser cutting equipment to carry out batch production, and is not suitable very, has consequently selected saw bit cutting equipment.
Saw bit cutting equipment, and simple structure, easily operation, in time have the problem trouble to appear, producer self also can maintain by oneself, but also has the shortcoming, through the saw bit cutting back, the cutting edge is remained unedged burr etc. when putting into use, unedged burr drops and adheres to on the plate body surface, and when welding electronic components, some electronic components's pin is blockked by the unedged that drops, influences electric connection.
The board body but deckle edge burr method after current saw bit cutting, polish through the later stage, use the abrasive machine, polish the cutting edge one by one, and this kind of mode, during polishing, need the manual work to grab and hold the PCB board body, take the board body to polish and push hard, still must control good dynamics simultaneously, it is big otherwise to polish the elimination degree, the marginal position at the board body just also arranges in the welding hole of some board bodies, hinder to weld the hole position very easily, lead to the PCB board body to damage and do not use, moreover still need polish by two faces of a pair of board body, low efficiency.
Therefore, the PCB trimming and deburring device is provided for solving the problems.
Disclosure of Invention
To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.
The technical scheme adopted by the invention for solving the technical problems is as follows: the PCB cutting and deburring equipment comprises a shell, wherein a polishing groove is formed in the shell, the front part and the rear part of the polishing groove penetrate through the shell, and a plurality of groups of polishing wheels are arranged at the bottom in the polishing groove; the grinding wheels are in a circular truncated cone shape, the two grinding wheels in the same group are symmetrically arranged on two sides of the grinding groove, the upper end and the lower end of each grinding wheel are rotatably connected in the shell, the lower end of each grinding wheel is fixedly connected with a belt pulley, a belt for twisting the belt pulley to rotate penetrates out of the shell, a motor with a belt pulley is arranged on the outer side of the shell, and the belt pulley on the motor is in transmission connection with the belt pulley in the shell through the belt; the lower surface of the shell is provided with a chip removal hole; the cutting edge both sides of plate body are arranged in between two wheels of polishing, polish more evenly, the plate body only need hard down press can, avoid causing the damage to the plate body, the groove both sides of polishing are arranged in to the wheel symmetry simultaneously, after the inslot of polishing is arranged in to the plate body, can polish to the plate body both sides simultaneously, and is efficient, and the groove notch of polishing only can slide and put into a plate body, raise more difficult at the piece dust that produces of polishing, cause dust pollution to operation environment, the piece dust that produces of polishing is direct from chip removal hole discharge.
Preferably, a feeding unit is arranged above the grinding wheel; the feeding unit comprises a plurality of groups of roller bodies, two roller bodies in the same group are symmetrically arranged on two sides of the grinding groove, the upper end and the lower end of each roller body are fixedly connected with a chain wheel, and a chain for twisting the chain wheels to rotate is coiled in the shell; the plate body is conveyed to the other side of the notch of the grinding groove under the rotating rubbing extrusion of the roller body, and the plate body is not required to be pushed all the time manually, so that the labor is saved, and convenience is brought to operators.
Preferably, the surface of each roller body is provided with a spiral rubber strip, and the rubber strips on the two roller bodies in the same group are symmetrically arranged; through setting up the rubber strip, the setting of the spiral direction of rubber for just putting into the plate body of polishing the inslot, rubbing with the hands under the extrusion of rubber strip, make the plate body have a decurrent extrusion force by oneself, also rub with the hands simultaneously and move the plate body forward, promptly, the plate body moves forward on one side, is rubbed with the hands and moves down on one side, makes the cutting edge of plate body can cross the wheel of polishing with extruded state, guarantees the effect of polishing.
Preferably, the front side and the rear side of each group of grinding wheels are provided with a limiting unit; the limiting unit comprises a supporting plate; the supporting plate is in an inverted trapezoidal shape, two ends of the supporting plate are fixedly connected with sleeves, guide rods are slidably connected in the sleeves, the lower ends of the guide rods are fixedly connected with supporting plates, and the supporting plates are horizontally and fixedly connected in the shell; the supporting plate limits the submergence depth of the plate body, so that the polishing degree of the cutting edge of the plate body is controlled, and the welding point is prevented from being abraded and falling.
Preferably, the lower end of the supporting plate is rotatably connected with a screw, the lower end of the screw penetrates through the lower part of the shell from the chip removal hole, and the screw is in threaded connection with a transverse plate at the position of the chip removal hole; to the plate body that the plate body is thicker, the layer board of rising, it is too big to prevent the plate body dive degree of depth, polishes the welding hole position on the wall of plate body both sides, causes the damage to the plate body, to the thinner plate body of plate body, moves down the layer board for the cutting edge of plate body can be reached to the emery wheel of polishing.
Preferably, a fan blade is arranged between the polishing wheel and the belt pulley, and the fan blade is fixedly connected to a rotating shaft of the polishing wheel; when the roll body rotated, the pivot of roll body drove the flabellum and rotated, when the plate body was polished the piece and the dust that produce, the pivoted flabellum was with piece and dust to the propelling movement of chip removal mouth direction for the piece in time leaves the casing, prevents that piece and dust from piling up in the casing.
Preferably, the grinding wheel comprises a circular truncated cone-shaped grinding shell and a circular truncated cone-shaped base; the surface of the base is in threaded connection with the inner surface of the frosting shell; the frosting shell and the base are only required to be taken down in a rotating mode when being replaced, and therefore expenditure is saved.
Preferably, a group of guide plates are arranged between the polishing wheel and the roller body, each guide plate comprises a horizontal part and an inclined part, the horizontal part and the inclined part form an obtuse angle, the upper surface of the horizontal part is rotatably connected with the lower end of a rotating shaft of the roller body, the lower surface of the horizontal part is rotatably connected with the upper end of the rotating shaft of the polishing wheel, and the inclined part extends towards the middle area of the polishing groove; the guide plate is arranged, and in the process of downward movement of the plate body, the swinging of the lower edge of the plate body is firstly restrained, so that the plate body vertically moves towards the middle position of the polishing groove, and the plate body is forced to move downwards to be stable and then to contact with the polishing wheel, and the polishing quality is guaranteed.
Preferably, the inner concave surface of the supporting plate is rotatably connected with a rod body; by arranging the rotatable rod body on the supporting plate, when the plate body is rubbed by the roller body to move forwards, the lower edge of the plate body is extruded on the supporting plate and the rubbing rod body rotates to convert the sliding friction between the plate body and the supporting plate into rolling friction, reduce the friction force between the plate body and the supporting plate and ensure that the plate body can move forwards smoothly,
preferably, the material inlet end of the grinding groove is arranged in a flaring manner; the flaring of the material inlet end of the grinding groove is arranged, the inlet area of the plate body is increased, and the plate body is convenient to feed by operators.
The invention has the advantages that:
1. according to the deburring equipment designed by the invention, the cutting edge of the plate body is arranged between two polishing wheels rotating at a high speed, and the bottom surface in the polishing groove supports the plate body, so that two sides of the cutting edge of the plate body are arranged between the two polishing wheels, the polishing is more uniform, the plate body can be pressed downwards by force only, the damage to the plate body is avoided, the polishing wheels are symmetrically arranged at two sides of the polishing groove, after the plate body is arranged in the polishing groove, two sides of the plate body can be simultaneously polished, the efficiency is high, and only one plate body can be slidingly arranged in the notch of the polishing groove, so that the generated chip dust is difficult to raise, the dust pollution is caused to the operating environment, and the generated chip dust is directly discharged from the chip removing hole;
2. according to the plate body polishing device, the plate body is extruded on the surface of the roller body, the plate body is pushed to the other side of the notch of the polishing groove, polishing processing of the cutting edge on the plate body can be achieved in the pushing process, namely, the plate body is manually placed into the plate body from one side of the notch of the polishing groove, then the plate body is loosened, and the plate body is conveyed to the other side of the notch of the polishing groove under the rotating, rubbing and extruding of the roller body, and does not need to be pushed all the time manually, so that labor is saved, and convenience is brought to operators.
Drawings
FIG. 1 is a perspective view of a deburring apparatus according to an embodiment;
FIG. 2 is a perspective view of a grinding wheel according to one embodiment;
FIG. 3 is a perspective view of the grinding wheel and pulley in accordance with one embodiment;
FIG. 4 is a perspective view of the roller body according to the first embodiment;
FIG. 5 is a perspective view of a pallet according to an embodiment;
FIG. 6 is an exploded first perspective view of the grinding wheel of the first embodiment;
FIG. 7 is an exploded second perspective view of the grinding wheel of the first embodiment;
fig. 8 is a perspective view of the grinding groove and the housing according to the second embodiment.
In the figure: the grinding device comprises a shell 1, a grinding groove 2, a grinding wheel 3, a grinding shell 31, a base 32, a belt pulley 4, a chip removal hole 5, a roller body 6, a chain wheel 7, a rubber strip 8, a supporting plate 9, a sleeve 10, a guide rod 11, a supporting plate 12, a screw 13, a transverse plate 14, fan blades 15, a guide plate 16, a horizontal part 17, an inclined part 18 and a rod body 19.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The first embodiment is as follows:
referring to fig. 1, 2 and 3, the PCB cutting and deburring equipment comprises a shell 1, wherein a polishing groove 2 is formed in the shell 1, the polishing groove 2 penetrates through the shell 1 from front to back, and a plurality of groups of polishing wheels 3 are arranged at the bottom in the polishing groove 2; the grinding wheel 3 is in a circular truncated cone shape, two grinding wheels 3 in the same group are symmetrically arranged on two sides of the grinding groove 2, the upper end and the lower end of each grinding wheel 3 are rotatably connected into the shell 1, the lower end of each grinding wheel 3 is fixedly connected with the belt pulley 4, a belt rotating by the aid of the twisting belt pulley 4 penetrates out of the shell 1, the outer side of the shell 1 is provided with the motor with the belt pulley 4, and the belt pulley 4 on the motor is in transmission connection with the belt pulley 4 in the shell 1 through the belt; the lower surface of the shell 1 is provided with a chip removal hole 5; after the cutting of PCB plate body, with the plate body from 2 one sides propelling movements of groove of polishing to the groove of polishing 2 in, simultaneously with cutting edge towards chip removal hole 5 on the plate body, impel the plate body forward, the cutting edge of plate body is arranged in between two of high-speed rotatory polishing, and polish 2 interior bottom surfaces of groove and hold the plate body, make the cutting edge both sides of plate body arrange in between two polishing wheels 3, polish more evenly, the plate body only need down press hard can, avoid causing the damage to the plate body, 3 symmetrical groove 2 both sides of polishing of arranging in simultaneously polishing wheels, after the groove 2 is arranged in to polish in to the plate body, can polish to plate body both sides simultaneously, high efficiency, and polish 2 notches of groove and can only slide and put into a plate body, play more difficult in the piece dust that produces of polishing, cause dust pollution to the operational environment, the piece dust that produces of polishing directly discharges from chip removal hole 5.
Referring to fig. 1, 2, 3 and 4, a feeding unit is provided above the grinding wheel 3; the feeding unit comprises a plurality of groups of roller bodies 6, two roller bodies 6 in the same group are symmetrically arranged at two sides of the grinding groove 2, chain wheels 7 are fixedly connected at the upper end and the lower end of each roller body 6, and a chain disc for twisting the chain wheels 7 to rotate is arranged in the shell 1; a motor with a chain wheel 7 is installed in the shell 1, the chain wheel 7 on the motor is in transmission connection with the chain wheel 7 at the end part of the roller body 6 through a chain, and a rubber layer is sleeved on the surface of the roller body 6; put into the plate body from the notch one side of groove 2 of polishing, the 6 surperficial extrusion plate bodies of roll body, with the plate body to the notch opposite side propelling movement of groove 2 of polishing, in the propelling movement in-process, can realize the processing of polishing at cutting edge on the plate body, the plate body is put into from notch one side of groove 2 of polishing to the plate body to the manual work promptly, later loosen this plate body, the plate body rubs with the hands under the extrusion at the rotation of roll body 6, convey this plate body to the notch opposite side of groove 2 of polishing, and do not need the manual work to promote the plate body always, save work, provide convenience for operating personnel.
Referring to fig. 4, a spiral rubber strip 8 is arranged on the surface of each roller body 6, and the rubber strips 8 on the two roller bodies 6 in the same group are symmetrically arranged; through setting up rubber strip 8, the setting of the spiral direction of rubber for the plate body of grinding the inslot 2 has just been put into, rubs with the hands under the extrusion of rubber strip 8, makes the plate body have a decurrent extrusion force by oneself, also rubs with the hands simultaneously and moves the plate body forward, promptly, the plate body moves forward on one side, is rubbed with the hands and moves down on one side, makes the cutting edge of plate body can cross grinding wheel 3 with extruded state, guarantees the effect of polishing.
Referring to fig. 2, 3 and 5, the front side and the rear side of each group of grinding wheels 3 are provided with a limiting unit; the limiting unit comprises a supporting plate 9; the supporting plate 9 is in an inverted trapezoid shape, two ends of the supporting plate 9 are fixedly connected with sleeves 10, guide rods 11 are connected in the sleeves 10 in a sliding mode, the lower ends of the guide rods 11 are fixedly connected with supporting plates 12, and the supporting plates 12 are horizontally and fixedly connected in the shell 1; the thickness size of plate body has the multiple, and when the bottom in 2 bottoms of groove of polishing was arranged in to thicker plate body, the wheel of polishing 3 was great to plate body cutting edge degree of polishing, and the region of eliminating of polishing is also bigger, can involve the plate body on the welded position point, and the position has set up layer board 9, and layer board 9 restriction plate body dive degree of depth to the control of control plate body cutting edge degree of polishing prevents that plate body edge from polishing the wearing and tearing welding point that falls.
Referring to fig. 5, the lower end of the supporting plate 9 is rotatably connected with a screw 13, the lower end of the screw 13 penetrates from the chip removal hole 5 to the lower part of the housing 1, and the screw 13 is rotatably connected on a transverse plate 14 at the position of the chip removal hole 5 through threads; through rotatory screw rod 13, screw rod 13 drives the height of layer board 9 from top to bottom to control layer board 9's height, to the plate body that the plate body is thick, go up to transfer layer board 9, prevent that the plate body dive degree of depth is too big, polish to the plate body on both sides wall welding hole position, cause the damage to the plate body, to the thinner plate body of plate body, move down layer board 9, make and polish wheel 3 can be enough to the cutting edge of plate body.
Referring to fig. 3 and 7, a fan blade 15 is arranged between the grinding wheel 3 and the belt pulley 4, and the fan blade 15 is fixedly connected to the rotating shaft of the grinding wheel 3; when the roller body 6 rotates, the rotating shaft of the roller body 6 drives the fan blades 15 to rotate, and when the plate body is polished to generate chips and dust, the rotating fan blades 15 push the chips and the dust to the chip removal port direction, so that the chips are timely discharged from the shell 1, and the chips and the dust are prevented from being accumulated in the shell 1; the dust that produces simultaneously is a good frictioning agent to between belt pulley 4 and the belt, improves the frictional force between wheel 3 and the belt pulley 4 of polishing, prevents to appear skidding phenomenon between belt pulley 4 and the belt.
Referring to fig. 6 and 7, the grinding wheel 3 is wrapped by a circular truncated cone shaped grinding shell and a circular truncated cone shaped base; the surface of the base is in threaded connection with the inner surface of the frosting shell; when the polishing wheel 3 polishes the plate body, the polishing wheel is also a loss part, and the polishing wheel 3 is designed to be separated, namely, a polishing shell and a base; when the sand grinding shell is replaced, the sand grinding shell is only required to be taken down in a rotating mode, and therefore expenditure is saved.
Referring to fig. 2, a set of guide plates 16 is arranged between the grinding wheel 3 and the roller body 6, each guide plate 16 comprises a horizontal part 17 and an inclined part 18, the horizontal part 17 and the inclined part 18 form an obtuse angle, the upper surface of the horizontal part 17 is rotatably connected with the lower end of the rotating shaft of the roller body 6, the lower surface of the horizontal part 17 is rotatably connected with the upper end of the rotating shaft of the grinding wheel 3, and the inclined part 18 extends towards the middle area of the grinding groove 2; through setting up deflector 16, the action that moves down of guide plate body, move to the groove of polishing 2 in-process down at the plate body, plate body and the groove of polishing 2 between clearance fit, the lower limb of plate body swings easily, the lower limb of plate body is probably along 3 surface removals of the wheel of polishing, cause the plate body edge damage of polishing, set up deflector 16 for this reason, move down the in-process at the plate body, at first live in the swing constraint of plate body lower limb, make the plate body vertical move to groove of polishing 2 intermediate positions, force the plate body to move down to stable back, contact with wheel of polishing 3, guarantee the quality of polishing.
Referring to fig. 5, a rod body 19 is rotatably connected to the inner concave surface of the supporting plate 9; by arranging the rotatable rod body 19 on the supporting plate 9, when the plate body is twisted by the roller body 6 to move forwards, the lower edge of the plate body is extruded on the supporting plate 9, the twisting rod body 19 rotates to convert sliding friction between the plate body and the supporting plate 9 into rolling friction, friction force between the plate body and the supporting plate 9 is reduced, and the plate body can move forwards smoothly.
Example two:
referring to fig. 8, a first comparative example is provided as another embodiment of the present invention, wherein the material inlet end of the grinding groove 2 is flared; the flaring of the material inlet end of the grinding groove 2 is arranged, the inlet area of the plate body is increased, and the plate body is convenient to feed by operators.
The working principle is as follows: after a PCB board body is cut, the board body is pushed into a polishing groove 2 from one side of the polishing groove 2, meanwhile, the cutting edge on the board body faces a chip removal hole 5, the board body is pushed forwards, the cutting edge of the board body is arranged between two polishing wheels rotating at a high speed, the bottom surface in the polishing groove 2 supports the board body, so that two sides of the cutting edge of the board body are arranged between two polishing wheels 3, the polishing is more uniform, the board body only needs to be pressed downwards forcibly, the damage to the board body is avoided, the polishing wheels 3 are symmetrically arranged on two sides of the polishing groove 2, after the board body is arranged in the polishing groove 2, two sides of the board body can be polished simultaneously, the efficiency is high, and the notch of the polishing groove 2 can only be placed into one board body in a sliding mode, the dust generated during polishing is difficult to raise, the dust pollution is caused to the operating environment, and the dust generated during polishing is directly discharged from the chip removal hole 5;
a motor with a chain wheel 7 is installed in the shell 1, the chain wheel 7 on the motor is in transmission connection with the chain wheel 7 at the end part of the roller body 6 through a chain, and a rubber layer is sleeved on the surface of the roller body 6; the plate body is placed into the groove opening side of the polishing groove 2, the surface of the roller body 6 extrudes the plate body, the plate body is pushed to the other side of the groove opening of the polishing groove 2, and in the pushing process, polishing processing of the cutting edge on the plate body can be achieved, namely, the plate body is manually placed into the plate body from the groove opening side of the polishing groove 2, then the plate body is loosened, and the plate body is conveyed to the other side of the groove opening of the polishing groove 2 under the rotating rubbing extrusion of the roller body 6, and the plate body does not need to be pushed all the time manually, so that the labor is saved, and convenience is provided for operators;
by arranging the rubber strips 8 and arranging the spiral direction of the rubber, the plate body which is just placed in the polishing groove 2 is forced to have a self-downward extrusion force under the extrusion and rubbing of the rubber strips 8, and meanwhile, the plate body is also rubbed to move forwards, namely, the plate body moves forwards and is rubbed downwards at the same time, so that the cutting edge of the plate body can pass through the polishing wheel 3 in an extruded state, and the polishing effect is ensured;
the thickness and the size of the plate body are various, when the thicker plate body is arranged at the bottom in the grinding groove 2, the grinding wheel 3 has larger grinding degree on the cutting edge of the plate body, the grinding elimination area is also larger, the welding position point on the plate body can be involved, the supporting plate 9 is arranged at the position, and the supporting plate 9 limits the submergence depth of the plate body, so that the control of the grinding degree of the cutting edge of the plate body is controlled, and the welding point is prevented from being worn and fallen due to the grinding abrasion of the edge of the plate body;
the screw 13 is rotated, the screw 13 drives the supporting plate 9 to be high up and down, so that the height of the supporting plate 9 is controlled, the supporting plate 9 is adjusted upwards for a plate body with a thicker plate body, the plate body is prevented from being damaged due to the fact that the plate body is too large in submergence depth and is polished to the positions of welding holes in two side walls of the plate body, and the supporting plate 9 is moved downwards for a plate body with a thinner plate body, so that the polishing wheel 3 can reach the cutting edge of the plate body;
when the roller body 6 rotates, the rotating shaft of the roller body 6 drives the fan blades 15 to rotate, and when the plate body is polished to generate chips and dust, the rotating fan blades 15 push the chips and the dust to the chip removal port direction, so that the chips are timely discharged from the shell 1, and the chips and the dust are prevented from being accumulated in the shell 1; meanwhile, the generated dust is a good friction agent between the belt pulley 4 and the belt, so that the friction force between the polishing wheel 3 and the belt pulley 4 is improved, and the slipping phenomenon between the belt pulley 4 and the belt is prevented; when the polishing wheel 3 polishes the plate body, the polishing wheel is also a loss part, and the polishing wheel 3 is designed to be separated, namely, a polishing shell and a base; when the sand shell is replaced, the sand shell is taken down in a rotating way, so that the expenditure is saved;
the guide plate 16 is arranged for guiding the downward movement of the plate body, so that the plate body is in clearance fit with the polishing groove 2 in the process of moving the plate body downward into the polishing groove 2, the lower edge of the plate body is easy to swing, the lower edge of the plate body can possibly move along the surface of the polishing wheel 3 to cause the polishing damage of the edge of the plate body, and the guide plate 16 is arranged for this purpose, so that the swinging of the lower edge of the plate body is restrained firstly in the downward movement process of the plate body, the plate body is enabled to vertically move to the middle position of the polishing groove 2, and the plate body is forced to move downward to be stable and then to contact with the polishing wheel 3 to ensure the polishing quality; through setting up rotatable body of rod 19 on layer board 9, when the plate body is rubbed with the hands by roll body 6 and is moved forward, the lower limb extrusion of plate body is at layer board 9 to rub with the hands and move body of rod 19 and rotate, with the sliding friction between plate body and layer board 9, convert rolling friction into, reduce the frictional force between plate body and layer board 9, make the plate body move forward smoothly.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a PCB board cuts unhairing limit equipment which characterized in that: the polishing device comprises a shell (1), wherein a polishing groove (2) is formed in the shell (1), the polishing groove (2) penetrates through the shell (1) from front to back, and a plurality of groups of polishing wheels (3) are arranged at the bottom in the polishing groove (2); the grinding wheels (3) are in a circular truncated cone shape, two grinding wheels (3) in the same group are symmetrically arranged at two sides of the grinding groove (2), the upper end and the lower end of each grinding wheel (3) are rotatably connected into the shell (1), the lower end of each grinding wheel (3) is fixedly connected with a belt pulley (4), and a belt for twisting the belt pulley (4) to rotate penetrates out of the shell (1); the lower surface of the shell (1) is provided with chip removal holes (5).
2. A PCB board trimming and deburring apparatus as claimed in claim 1, wherein: a feeding unit is arranged above the grinding wheel (3); the feeding unit comprises a plurality of groups of roller bodies (6), the two roller bodies (6) in the same group are symmetrically arranged on two sides of the grinding groove (2), chain wheels (7) are fixedly connected to the upper end and the lower end of each roller body (6), and the chain wheels (7) are twisted to rotate and are coiled in the shell (1).
3. The PCB board trimming and deburring device of claim 2, wherein: each surface of the roller body (6) is provided with a spiral rubber strip (8), and the rubber strips (8) on the two roller bodies (6) in the same group are symmetrically arranged.
4. A PCB board trimming and deburring apparatus as claimed in claim 1, wherein: the front side and the rear side of each group of grinding wheels (3) are provided with limiting units; the limiting unit comprises a supporting plate (9); the supporting plate (9) is in an inverted trapezoidal shape, two ends of the supporting plate (9) are fixedly connected with sleeves (10), guide rods (11) are slidably connected in the sleeves (10), a supporting plate (12) is fixedly connected to the lower ends of the guide rods (11), and the supporting plate (12) is horizontally and fixedly connected in the shell (1).
5. A PCB board cuts unhairing limit equipment of claim 4, characterized in that: the lower end of the supporting plate (9) is rotatably connected with a screw (13), the lower end of the screw (13) penetrates through the lower part of the shell (1) from the chip removal hole (5), and the screw (13) is rotatably connected to a transverse plate (14) at the position of the chip removal hole (5) through threads.
6. The PCB board trimming and deburring device of claim 4, wherein: and fan blades (15) are arranged between the grinding wheel (3) and the belt pulley (4), and the fan blades (15) are fixedly connected to a rotating shaft of the grinding wheel (3).
7. A PCB board trimming deburring apparatus as claimed in claim 6, wherein: the grinding wheel (3) is wrapped by a grinding shell (31) in a circular table shape and a base (32) in a circular table shape; the surface of the base (32) is in threaded connection with the inner surface of the frosting shell (31).
8. A PCB board trimming and deburring apparatus as claimed in claim 7, wherein: a group of guide plates (16) are arranged between the polishing wheel (3) and the roller body (6), each guide plate (16) comprises a horizontal portion (17) and an inclined portion (18), the horizontal portions (17) and the inclined portions (18) form obtuse angles, the upper surface of each horizontal portion (17) is rotatably connected with the lower end of a rotating shaft of the roller body (6), the lower surface of each horizontal portion (17) is rotatably connected with the upper end of the rotating shaft of the polishing wheel (3), and each inclined portion (18) extends towards the middle area of each polishing groove (2).
9. A PCB board trimming unhairing limit equipment according to claim 5, wherein: the inner concave surface of the supporting plate (9) is rotatably connected with a rod body (19).
10. A PCB board trimming and deburring apparatus as claimed in claim 8, wherein: the material inlet end of the grinding groove (2) is arranged in a flaring manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211726712.2A CN115915625B (en) | 2022-12-30 | 2022-12-30 | PCB cuts burr equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211726712.2A CN115915625B (en) | 2022-12-30 | 2022-12-30 | PCB cuts burr equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115915625A true CN115915625A (en) | 2023-04-04 |
| CN115915625B CN115915625B (en) | 2023-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211726712.2A Active CN115915625B (en) | 2022-12-30 | 2022-12-30 | PCB cuts burr equipment |
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| Country | Link |
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| CN (1) | CN115915625B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102061086B1 (en) * | 2018-10-26 | 2020-02-11 | 주식회사 포스 | Edge sanding unit for deburring apparatus |
| CN113635158A (en) * | 2021-07-21 | 2021-11-12 | 云尖信息技术有限公司 | Quasi-blind buried hole machining method with simple machining steps and low cost |
| CN115256216A (en) * | 2022-08-01 | 2022-11-01 | 新吉欣(广东)自动化科技有限公司 | Multi-brush grinding equipment for grinding PCB |
-
2022
- 2022-12-30 CN CN202211726712.2A patent/CN115915625B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102061086B1 (en) * | 2018-10-26 | 2020-02-11 | 주식회사 포스 | Edge sanding unit for deburring apparatus |
| CN113635158A (en) * | 2021-07-21 | 2021-11-12 | 云尖信息技术有限公司 | Quasi-blind buried hole machining method with simple machining steps and low cost |
| CN115256216A (en) * | 2022-08-01 | 2022-11-01 | 新吉欣(广东)自动化科技有限公司 | Multi-brush grinding equipment for grinding PCB |
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|---|---|
| CN115915625B (en) | 2023-11-28 |
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