CN116276522A - Burr removing device for printed circuit board production - Google Patents
Burr removing device for printed circuit board production Download PDFInfo
- Publication number
- CN116276522A CN116276522A CN202310548813.3A CN202310548813A CN116276522A CN 116276522 A CN116276522 A CN 116276522A CN 202310548813 A CN202310548813 A CN 202310548813A CN 116276522 A CN116276522 A CN 116276522A
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- Prior art keywords
- case
- sides
- printed circuit
- circuit board
- polishing
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 238000005498 polishing Methods 0.000 claims abstract description 32
- 239000004744 fabric Substances 0.000 claims abstract description 6
- 230000001360 synchronised effect Effects 0.000 claims description 21
- 238000003825 pressing Methods 0.000 claims description 19
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 7
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 239000000758 substrate Substances 0.000 abstract description 21
- 239000002245 particle Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
Classifications
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- 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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/002—Machines or devices using grinding or polishing belts; Accessories therefor for grinding edges or bevels
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- 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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The utility model discloses a burr removing device for printed circuit board production, which comprises a case, wherein four sides of the bottom of the case are connected with supporting legs, a retaining cloth is arranged in front of the case, lenses are arranged on the left side, the right side and the back side of the case, polishing mechanisms for polishing the sides of a row of printed circuit boards are arranged on the four sides of the inner bottom of the case, a driving mechanism for driving the polishing mechanisms on the two opposite sides to move oppositely and drive the polishing mechanisms to polish is arranged on the top of the case, a clamping mechanism for clamping a row of printed circuit boards is arranged in the central position of the case, the polishing mechanisms comprise moving blocks which are arranged on the four sides of the bottom of the case in a sliding manner, and sliding grooves are formed on the four sides of the bottom of the case. The clamping mechanism polishes a vertical row of substrates, and under the cooperation of the polishing mechanism and the driving mechanism, the four corners and four sides of the vertical row of substrates can be polished only by one-time control, so that the operation is convenient, and the burr removing work efficiency is high.
Description
Technical Field
The utility model belongs to the technical field of printed circuit board production, and particularly relates to a device for removing burrs in printed circuit board production.
Background
In the early stage of the production of the printed circuit board, except that the substrate with the manufacturing process specification is required to be cut according to the required size, the end side of the substrate is rounded, burrs exist on the side of the cut substrate, if the printed circuit board is directly put into printing work, the produced printed circuit board is low in self quality, and when the printed circuit board is installed on equipment, the hands of workers are easy to scratch, so that after the substrate is cut, the burrs are required to be removed.
The authorized bulletin number is: the utility model patent of CN210209759U discloses a burr removing device used in the production process of a printed circuit board, and relates to a device for rotating a left threaded rod and a right threaded rod to enable the left threaded rod and the right threaded rod to respectively rotate along internal threads in a first round hole and a second round hole, stopping rotating when the right end of the left threaded rod and the left end of the right threaded rod are contacted with the left end and the right end of the circuit board and clamp and fix the circuit board, at the moment, the circuit board is fixed, and the stability of the circuit board in the burr removing process is improved; the first motor is electrified, the first motor drives the second threaded rod to rotate along the internal thread in the third round hole and move left and right, the first motor drives the support plate to move left and right because the first motor bottom end is connected with the central area of the top surface of the support plate, the support plate drives a group of front wheels and a group of rear wheels to move left and right on the sliding plate, the second threaded rod drives the grinding brush to move left and right and rotate, so that burrs are removed by grinding the top end of the circuit board, after burrs at the top end of the circuit board are removed, the left threaded rod and the right threaded rod are unscrewed, the circuit board is rotated, the right end of the circuit board is upwards, the left threaded rod and the right threaded rod are screwed, the first motor is opened to grind and remove burrs at the right end of the circuit board, and the burrs are removed by sequentially removing the four corners of the circuit board.
However, the burr removing device for the printed circuit board adopts a multidirectional adjusting mechanism to adjust the side position of the printed circuit board, so that the burrs are removed from four corners and side sides of the printed circuit board; however, when the device grinds burrs, manual multidirectional adjustment operation is needed, and the adjustment mechanism is influenced by the clamping and moving mechanism due to the fact that the adjustment mechanism is required to be shifted in side positions, and the device is not suitable for removing burrs on the corners and the side sides of a vertical printed circuit board at a time, so that the device is convenient to use and convenient to remove burrs on the corners and the side sides of the vertical printed circuit board.
Disclosure of Invention
The utility model aims to provide a device for removing burrs in printed circuit board production, which solves the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a printed circuit board production burr remove device, includes the quick-witted case, the bottom four sides of machine case all are connected with the supporting leg, the front of machine case sets up the fender cloth, and the left face of machine case, right and the back all are provided with lens, the four sides in quick-witted bottom of machine case all set up the grinding machanism that polishes to a row of printed circuit board avris, the top of machine case is provided with the actuating mechanism that drives relative both sides grinding machanism and move in opposite directions and drive grinding machanism and polish, and the intra-machine incasement central point puts and is provided with the fixture that is used for centre gripping a row of printed circuit board.
Preferably, the polishing mechanism comprises a moving block which is arranged at four sides of the bottom of the chassis, sliding grooves are formed in four sides of the bottom of the chassis, sliding blocks are arranged on two sides of the bottom of the moving block and are inserted into the sliding grooves, synchronous belt rollers are symmetrically arranged on the moving block in a rotating mode, and synchronous polishing belts are arranged on the synchronous belt rollers on the moving block.
Preferably, the actuating mechanism includes the removal case that slides respectively in quick-witted case top four sides and set up, top one side of removal case all is provided with first motor, the rotor shaft of first motor runs through the removal case and is connected with the swivel shaft, the bottom of swivel shaft all is connected in the top central point of one of them hold-in range roller of every side, the upper end of machine case is equipped with movable mouth and swivel shaft and inserts in the movable mouth, the top central point of machine case puts and staggers from top to bottom is provided with two rows riser, every row be provided with the second motor in the riser, the rotor shaft of second motor runs through the riser and is connected with the lead screw, every side the lead screw all runs through and the spiro union removes the case, on the riser and be located the both sides position of lead screw and be connected with the slide bar, the slide bar all runs through the removal case.
Preferably, the fixture is including connecting the spliced pole at quick-witted case top central point put, the lower extreme of spliced pole is connected with first clamp plate, the bottom of first clamp plate is provided with first soft board and evenly is provided with first non-slip raised below the first soft board, the bottom central point put of machine case is provided with electric telescopic handle, electric telescopic handle's ejector pin is connected with the second clamp plate, the top of second clamp plate is provided with second soft board and evenly is equipped with second non-slip raised on the second soft board.
Preferably, the top of the case is provided with a suction port, the suction port is in threaded connection with a pipe joint, the pipe joint is connected with peripheral dust collection equipment through a particle suction pipe, the inner top of the case is provided with a suction ring frame, the suction ring frame is communicated with the suction port, and the bottom of the suction ring frame is provided with ventilation holes.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the clamping mechanism polishes a vertical row of substrates, and under the cooperation of the polishing mechanism and the driving mechanism, the four corners and four sides of the vertical row of substrates can be polished only by one-time control, so that the operation is convenient, and the burr removing work efficiency is high.
Drawings
FIG. 1 is a schematic front view of the present utility model;
FIG. 2 is a schematic view in partial cutaway of FIG. 1;
FIG. 3 is a schematic top view of FIG. 1;
fig. 4 is a schematic view in partial cutaway of fig. 3.
In the figure: 1 machine case, 2 supporting legs, 3 lenses, 4 movable blocks, 5 sliding grooves, 6 synchronous belt rollers, 7 synchronous polishing belts, 8 movable boxes, 9 first motors, 10 rotary shafts, 11 vertical plates, 12 second motors, 13 lead screws, 14 sliding rods, 15 granule drawing pipes, 16 suction ring frames, 17 air holes, 18 connecting columns, 19 first pressing plates, 20 first soft plates, 21 first anti-slip bulges, 22 electric telescopic rods, 23 second pressing plates, 24 second soft plates, 25 second anti-slip bulges and 101 blocking cloth.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, a burr removing device for printed circuit board production, which comprises a case 1, wherein supporting legs 2 are fixedly arranged on four sides of the bottom of the case 1 through bolts, an opening is formed in the front of the case 1, a shielding cloth 101 is fixedly arranged on the top of the opening through screws, the shielding cloth 101 is made of soft PVC and is used for blocking particles and impurities splashed out of the case 1 through the opening, lenses 3 are arranged on the left side, the right side and the back of the case 1, the processing condition in the case 1 can be seen, polishing mechanisms for polishing the sides of a row of printed circuit boards are arranged on four sides of the inner bottom of the case 1, two polishing mechanisms which are opposite to each other in left and right are in a group, two polishing mechanisms which are opposite to each other in front and back are arranged on the top of the case 1, a driving mechanism for driving the polishing mechanisms on two opposite sides to move oppositely is arranged on the top of the case 1, and a clamping mechanism for clamping the printed circuit board is arranged in the center of the case 1.
Referring to fig. 2 and 4, the polishing mechanism includes a moving block 4 that slides at four sides of the bottom of the chassis 1, sliding grooves 5 are all provided at four sides of the bottom of the chassis 1, sliding blocks are all integrally provided at two sides of the bottom of the moving block 4 and are slidably inserted into the sliding grooves 5, synchronous belt rollers 6 are symmetrically rotatably provided on each moving block 4, more specifically, a connecting shaft is connected to the central position of the lower end of each synchronous belt roller 6 by an interference key, a bearing groove is provided in the moving block 4, a bearing is inserted into the bearing groove by interference, the connecting shaft is inserted into the inner ring of the bearing by interference, the connecting shaft is rotatably supported by the bearing, so that the synchronous belt rollers 6 are stably rotated, the synchronous belt rollers 6 on each moving block 4 are engaged with synchronous polishing belts 7, and mutually engaged racks are arranged on the outer walls of the synchronous belt rollers 6 and the synchronous polishing belts 7, and the outer walls of the synchronous polishing belts 7 are provided with polishing surfaces for polishing corners and sides of a printed circuit board.
When the left polishing mechanism and the right polishing mechanism move in opposite directions, the left side and the right side of a vertical row of printed circuit boards can be polished, and when the front polishing mechanism and the rear polishing mechanism move in opposite directions, the front side or the rear side of the vertical row of printed circuit boards can be polished.
Referring to fig. 1, fig. 2 and fig. 3, the driving mechanism comprises moving boxes 8 which are respectively and slidably arranged on four sides of the top of a case 1, wherein the moving boxes 8 on the left side and the right side are 30 cm in height and lower than the moving boxes 8 on the front side and the rear side, a first motor 9 is fixedly arranged on one side of the top of the moving boxes 8 through bolts, a rotor shaft of the first motor 9 penetrates through the moving boxes 8 and is connected with a rotating shaft 10 through flanges, the bottom of the rotating shaft 10 is connected with the top center position of one of synchronous belt rollers 6 on each side through interference keys, the upper end of the case 1 is provided with a movable opening, the rotating shaft 10 is inserted into the movable opening, the movable opening is a moving condition that the rotating shaft 10 moves on the case 1, two rows of vertical plates 11 are vertically staggered in the top center position, the upper row of vertical plates 11 and the lower row of vertical plates 11 are mutually fixed through bolts, the lower row of vertical plates 11 are fixedly arranged on the top of the case 1 through bolts, a second motor 12 is fixedly arranged in each row of vertical plates 11 through screws, the second motor 12 is a double-shaft motor 12, the rotor shaft penetrating through vertical plates 11 is connected with a flange 13, the rotor shaft penetrating through the vertical plates 13, the motors 13 on each side of the motors 13 are connected with the rotating shafts 8 through screws 8 through bolts, and the two shafts 8 are connected with the two shafts 12 in opposite directions when the rotating shafts 8 are in the opposite directions, and the two screw shafts 8 are in the opposite directions are driven to move, and move through the sliding rods 8, and the screw rods 8 are in the opposite directions, and the sliding rod 8 are in the moving direction and move through the sliding rod 8, and the two guide rods and are in the opposite directions and move.
The lower second motor 12 and the upper second motor 12 are both connected to a driver, the driver is connected to a peripheral computer, when the peripheral computer is connected to a driver control program, the number of revolutions and the rotation speed of the second motor 12 can be adjusted according to the need, if the lower second motor 12 runs and rotates forward to set the number of revolutions and stops, after waiting for polishing time, the lower second motor 12 runs and reverses to the same number of revolutions, the upper second motor 12 runs and rotates forward to set the number of revolutions and stops, after waiting for polishing time, the upper second motor 12 runs and reverses to the same number of revolutions and stops, the rotation speed is set to 80r/min, the polishing time is set according to the substrate material and thickness, the number of revolutions of the second motor 12 is set after successive debugging according to the lengths of the substrate outer first pressing plate 19 and the second pressing plate 23, and before polishing, the substrate surface can be marked, so that the substrate can be placed with the reference mark before the clamping mechanism clamps the substrate.
Referring to fig. 2 and 4, the clamping mechanism includes a connecting post 18 connected to the center of the top of the chassis 1, a first pressing plate 19 is integrally provided at the lower end of the connecting post 18, a first soft board 20 is bonded to the bottom of the first pressing plate 19 by using resin adhesive, a first anti-slip protrusion 21 is uniformly and integrally provided below the first soft board 20, an electric telescopic rod 22 is fixed to the center of the bottom of the chassis 1, a second pressing plate 23 is fixed to a top rod bolt of the electric telescopic rod 22, a second soft board 24 is bonded to the top of the second pressing plate 23 by using resin adhesive, a second anti-slip protrusion 25 is uniformly and integrally provided on the second soft board 24, the soft boards are arranged, when the substrate is clamped, the substrate is soft, and the matching resistance of the substrate can be increased in the clamping process by the arrangement of the protrusions, a power line of the electric telescopic rod 22 is connected with a power supply control end of a peripheral driver, a main power line of the peripheral driver is connected with a computer by using a signal line, after the computer is connected with the control software of the driver, the electric telescopic rod 22 is set to extend out of the first pressing plate 23 according to the requirement, the length of the first pressing plate can be more stable, and the first pressing plate can be stretched out and stretched out in the first pressing plate 19 is stable.
Referring to fig. 2 and 3, a suction port is arranged at the top of the case 1, pipe connectors are screwed at the suction port, the pipe connectors are in interference fit with particle suction pipes 15, the particle suction pipes 15 are connected with peripheral dust collection equipment, a suction ring frame 16 is fixed on an inner top bolt of the case 1, the suction ring frame 16 is communicated with the suction port, and ventilation holes 17 are uniformly formed in the circumferential direction of the bottom of the suction ring frame 16.
Under the operation of the peripheral dust collection equipment, abrasive particles and dust produced in the grinding process can be quickly absorbed into the suction ring frame 16 through the suction port below the suction ring frame 16, and then are conveyed into a dust bag of the dust collection equipment through the particle suction pipe 15.
The working principle of this embodiment is as follows: a vertical row of marked substrates are placed on a second pressing plate 23 on a clamping mechanism, the ejector rods of an electric telescopic rod 22 are controlled to extend through a peripheral computer until the first pressing plate 19 and the second pressing plate 23 press a vertical row of substrates, a lower second motor 12 is started to run forward and backward through the peripheral computer, under the cooperation of screw rods 13 and wire holes in a left moving box 8 and a right moving box 8, the left moving box 8 and the right moving box 8 are driven to move in opposite directions, so that the left and right moving mechanisms are driven to move in opposite directions, synchronous grinding belts 7 on two sides are operated by a first motor 9, the left and right sides of a vertical row of substrates are ground, after the completion of the grinding, the lower second motor 12 is reversed and stopped, then the upper second motor 12 is started to run forward and backward, the front and rear moving boxes 8 are driven to move in opposite directions, the synchronous grinding belts 7 on two sides are operated by the first motor 9, the front and rear sides of the vertical row of substrates are ground, after the completion of the synchronous grinding belts 7 are stopped, the first motor 9 is disconnected, the ejector rods are controlled to retract, and the telescopic rod 22 is taken.
Therefore, under the cooperation of the polishing mechanism and the driving mechanism, the edge and the side of the substrate in one vertical row are automatically polished, the operation is convenient, and the burr removing work efficiency is high.
The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model.
Claims (5)
1. A device for removing burrs in printed circuit board production is characterized in that: including quick-witted case (1), four sides in the bottom of machine case (1) all are connected with supporting leg (2), set up in front of machine case (1) and keep off cloth (101), and the left side of machine case (1), right and all be provided with lens (3) at the back, four sides all set up the grinding machanism that polishes to a row of printed circuit board avris in machine case (1), the top of machine case (1) is provided with drives relative both sides grinding machanism and removes in opposite directions and drive the actuating mechanism that grinding machanism polished, and central point puts in machine case (1) and is provided with the fixture that is used for centre gripping a row of printed circuit board.
2. The printed circuit board production burr removal device according to claim 1, wherein: the polishing mechanism comprises a moving block (4) which is arranged at the bottom of the case (1) in a sliding mode, sliding grooves (5) are formed in the four sides of the bottom of the case (1), sliding blocks are arranged on two sides of the bottom of the moving block (4) and are inserted into the sliding grooves (5), synchronous belt rollers (6) are symmetrically arranged on the moving block (4) in a rotating mode, and synchronous polishing belts (7) are arranged on the synchronous belt rollers (6) on the moving block (4).
3. The printed circuit board production burr removal device according to claim 1, wherein: the driving mechanism comprises a movable box (8) which is arranged on four sides of the top of a case (1) in a sliding mode respectively, a first motor (9) is arranged on one side of the top of the movable box (8), a rotor shaft of the first motor (9) penetrates through the movable box (8) and is connected with a rotating shaft (10), the bottom of the rotating shaft (10) is connected to the top center position of one synchronous belt roller (6) on each side, a movable opening is formed in the upper end of the case (1), the rotating shaft (10) is inserted into the movable opening, two rows of vertical plates (11) are arranged on the top center position of the case (1) in a staggered mode, a second motor (12) is arranged in each row of the vertical plates (11), the rotor shaft of the second motor (12) penetrates through the vertical plates (11) and is connected with a screw rod (13), each side of the screw rod (13) penetrates through the movable box (8), and slide rods (14) are connected to the two side positions of the vertical plates (11) and located on the screw rod (13).
4. The printed circuit board production burr removal device according to claim 1, wherein: the clamping mechanism comprises a connecting column (18) connected to the center of the top of the case (1), a first pressing plate (19) is connected to the lower end of the connecting column (18), a first soft plate (20) is arranged at the bottom of the first pressing plate (19), first anti-slip protrusions (21) are uniformly arranged below the first soft plate (20), an electric telescopic rod (22) is arranged at the center of the bottom of the case (1), a second pressing plate (23) is connected to an ejector rod of the electric telescopic rod (22), and second anti-slip protrusions (25) are uniformly arranged on the top of the second pressing plate (23) and the second soft plate (24).
5. A printed circuit board production burr removing apparatus according to any one of claims 1 to 4, wherein: the top of machine case (1) is equipped with suction port and suction port department all spiro union has the pipe joint, the pipe joint all is connected peripheral hardware dust collecting equipment through taking out grain pipe (15), the interior top of machine case (1) is provided with suction ring frame (16) and suction port intercommunication, the bottom of suction ring frame (16) is equipped with bleeder vent (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310548813.3A CN116276522A (en) | 2023-05-16 | 2023-05-16 | Burr removing device for printed circuit board production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310548813.3A CN116276522A (en) | 2023-05-16 | 2023-05-16 | Burr removing device for printed circuit board production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116276522A true CN116276522A (en) | 2023-06-23 |
Family
ID=86803491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310548813.3A Pending CN116276522A (en) | 2023-05-16 | 2023-05-16 | Burr removing device for printed circuit board production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116276522A (en) |
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| CN215968197U (en) * | 2021-08-12 | 2022-03-08 | 绵阳新洋电子科技有限公司 | Television frame positioning workbench |
| CN113664671A (en) * | 2021-08-27 | 2021-11-19 | 马玉平 | Box welding seam grinding device |
| CN215748409U (en) * | 2021-08-30 | 2022-02-08 | 张家口三信同达机械制造有限公司 | Polishing device for movable arm machining |
| CN113561012A (en) * | 2021-09-26 | 2021-10-29 | 徐州赛威机械制造科技有限公司 | Surface polishing and grinding device for machining |
| CN113829213A (en) * | 2021-09-27 | 2021-12-24 | 江苏广新重工有限公司 | Surface cleaning equipment is used in steel construction preparation processing |
| CN216327331U (en) * | 2021-09-27 | 2022-04-19 | 河北利达金属制品集团有限公司 | Battery box welding seam grinding device |
| CN216504144U (en) * | 2021-12-23 | 2022-05-13 | 四川英创力电子科技股份有限公司 | Two-sided PCB's of polishing device |
| CN114770309A (en) * | 2022-05-25 | 2022-07-22 | 西安建筑科技大学 | Section bar surface treatment device for stainless steel processing and use method thereof |
| CN115256171A (en) * | 2022-09-28 | 2022-11-01 | 江油星联电子科技有限公司 | Circuit board line grinding device |
| CN218254405U (en) * | 2022-09-29 | 2023-01-10 | 苏州尚孚精密制造有限公司 | Sheet metal component deburring processing mechanism of polishing |
| CN218801179U (en) * | 2022-10-14 | 2023-04-07 | 张钊 | A two-way edging device for toughened glass processing |
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