Automatic PCB (printed circuit board) return type polishing device
Technical Field
The utility model relates to the technical field of PCB processing machinery, in particular to an automatic PCB return type polishing device.
Background
The PCB is also called a printed circuit board, is a provider of electric connection of electronic components, and has the main advantages of greatly reducing errors of wiring and assembly, improving automation level and production labor rate, wherein an outer layer circuit for manufacturing the PCB is required to be subjected to processes of electroplating, resin hole plugging, grinding, thinning copper and the like, and in the process of grinding, grinding treatment is required to be carried out on the surface of the PCB through grinding equipment, so that the production requirement is met;
At present when polishing the surface of PCB board, because only possess single roller of polishing and handle it, can't realize the polishing of cyclic rotation, result in the actual effect of polishing of face lower, simultaneously because of current PCB board lacks the fastener when polishing for the PCB board appears not hard up easily when polishing, influences its actual precision of polishing.
Disclosure of utility model
The utility model provides an automatic PCB (printed Circuit Board) return type polishing device, which can effectively solve the problems that the actual polishing effect of a board surface is lower, and the current PCB is easy to loose during polishing and the actual polishing precision is affected because the current PCB lacks a fastener during polishing because only a single polishing roller is used for polishing the surface of the PCB and cannot realize the polishing of circular rotation.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the automatic PCB plate return type polishing device comprises a polishing machine table, wherein a mounting frame is fixedly arranged on one side of the top of the polishing machine table, a transmission box is connected with the inner side of the mounting frame in an adjustable manner, a polishing motor is fixedly arranged on one side edge of the transmission box, the polishing motor is powered by an external power supply, a plurality of polishing rollers are connected with the other side edge of the transmission box at equal intervals, a polishing turntable is rotatably connected to the middle end of the top of the polishing machine table, a driving motor is fixedly arranged at the bottom of the polishing machine table corresponding to the position of the polishing turntable, and the driving motor is powered by the external power supply;
The top of revolving stage of polishing is provided with the spacing curb plate that multiunit symmetry set up to the angle, and the interior side portion of spacing curb plate is provided with stabilizes the grip block, and the inside of spacing curb plate has fastening bolt through threaded connection, the limit portion of stabilizing the grip block corresponds fastening bolt tip position department and installs movable connection seat, and the inside of the spacing swing joint in movable connection seat of fastening bolt's tip, the top edge position fixedly connected with limit baffle of revolving stage of polishing, and a side portion of limit baffle has seted up the groove of arranging.
Preferably, the transmission gears are arranged in the transmission case at positions corresponding to the polishing rollers, the transmission gears are meshed and connected through toothed chains, and the transmission gears positioned at the inner side edge of the transmission case are fixedly connected with the output shaft of the polishing motor through transmission shafts.
Preferably, a dust box is installed at a position below the bottom of the polishing machine table, the top of the dust box is connected with an air pipe, and the end part of the air pipe is connected with a collecting cover.
Preferably, the inlet position of the collecting cover is opposite to the outlet position of the discharge groove, a dust collecting fan is arranged in the dust collecting box, an air pipe is connected with the air inlet of the dust collecting fan, and a blocking net is arranged at the position of the inner side of the dust collecting box, which is positioned at the bottom of the dust collecting fan.
Preferably, the two side edges of the transmission case are fixedly provided with connecting seats, one connecting seat is slidably connected to the outer side of the guide rod, the other connecting seat is connected with a driving screw through threads, the bottom of the grinding machine table is provided with an adjusting motor corresponding to the position of the driving screw, the adjusting motor is powered by an external power supply, and an output shaft of the adjusting motor is fixedly connected with the driving screw.
Preferably, the adjusting motor is fixedly arranged at the bottom of the polishing machine table through a bracket, the loading table is arranged at the bottom of the polishing machine table, and the bottoms of the dust collection box and the driving motor are fixedly arranged at the top of the loading table.
Compared with the prior art, the utility model has the beneficial effects that: the utility model has scientific and reasonable structure and safe and convenient use:
1. Through setting up pivoted revolving stage of polishing on the polisher platform, the cooperation is polished and is based on spacing curb plate, stable grip block, fastening bolt and the spacing fixture that movable connection seat is constituteed, it carries out spacing centre gripping to a plurality of PCB boards to guarantee the stability of PCB board at the in-process of polishing and the precision of polishing, simultaneously drive a plurality of rollers of polishing through polishing the motor and rotate, make the revolving stage of polishing rotate the PCB board at its top when rotating and polishing, make the PCB board can rotate through the mode of circulation gyration when polishing, continuous and the bottom contact of polishing the roller, thereby realize efficient operation of polishing, guarantee that the process of polishing possesses higher precision, effect and efficiency.
2. Through setting up limit portion baffle at the limit portion of polishing the revolving stage, conveniently will polish the sweeps that produces when the revolving stage is polished and block and collect, avoid it to appear overflowing scattered phenomenon, conveniently will polish the sweeps that block and collect on the revolving stage through the drain chute simultaneously and discharge, conveniently concentrate the sweeps through collecting cover, trachea and dust collection box constitution's sweeps collection mechanism simultaneously and collect to this has reduced the processing degree of difficulty of polishing the sweeps, has improved the efficiency of clearance simultaneously.
3. Through set up the connecting seat at the both sides limit portion of transmission case, be convenient for the connection of guide arm and drive lead screw drives drive lead screw simultaneously and rotates to be convenient for drive the transmission case and carry out the position movement, and then move the position of the grinding roller that conveniently adjusts transmission case side and connect through the position of transmission case, be convenient for adjust the grinding degree of depth of grinding the PCB board of grinding roller according to the demand, so as to improve grinding device's adaptability, be convenient for simultaneously carry out the operation of polishing according to actual demand better.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.
In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the mounting structure of the stabilizing clamping plate of the present utility model;
FIG. 3 is a schematic view of a connection structure of the connection base of the present utility model;
FIG. 4 is a schematic view of the structure of the dust box of the present utility model;
Reference numerals in the drawings: 1. a sander stand; 2. a mounting frame; 3. a transmission case; 4. polishing a motor; 5. a grinding roller; 6. polishing a turntable; 7. a driving motor; 8. a limit side plate; 9. stabilizing the clamping plate; 10. a fastening bolt; 11. a movable connecting seat; 12. edge baffles; 13. a discharge chute; 14. a collection cover; 15. an air pipe; 16. a dust collection box; 17. a connecting seat; 18. a guide rod; 19. driving a screw rod; 20. and (5) adjusting the motor.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Examples: as shown in fig. 1-4, the utility model provides a technical scheme, the automatic PCB board return type polishing device comprises a polishing machine table 1, wherein a mounting frame 2 is fixedly arranged at one side of the top of the polishing machine table 1, the inner side of the mounting frame 2 is adjustably connected with a transmission case 3, a polishing motor 4 is fixedly arranged at one side of the transmission case 3, the polishing motor 4 is powered by an external power supply, a plurality of polishing rollers 5 are equidistantly connected at the other side of the transmission case 3, transmission gears are respectively arranged at positions corresponding to the polishing rollers 5 in the transmission case 3, the plurality of transmission gears are respectively meshed and connected by a toothed chain, the transmission gears at the inner side of the transmission case 3 are fixedly connected with an output shaft of the polishing motor 4 through transmission shafts, the polishing rollers 5 at the side of the transmission case 3 are conveniently and synchronously driven by the polishing motor 4 to rotate, a polishing turntable 6 is rotationally connected to the middle end of the top of the polishing machine table 1, a driving motor 7 is fixedly arranged at the position corresponding to the polishing turntable 6 at the bottom of the polishing machine table 1, and the driving motor 7 is powered by the external power supply;
The top of the polishing rotary table 6 is provided with a plurality of groups of limit side plates 8 which are symmetrically arranged on the angle, the inner side edge of each limit side plate 8 is provided with a stable clamping plate 9, the inside of each limit side plate 8 is connected with a fastening bolt 10 through threads, the edge of each stable clamping plate 9 is provided with a movable connecting seat 11 corresponding to the end position of each fastening bolt 10, the end of each fastening bolt 10 is movably connected to the inner side of each movable connecting seat 11 in a limiting mode, the edge of the top end of the polishing rotary table 6 is fixedly connected with an edge baffle 12, and one side edge of each edge baffle 12 is provided with a discharge groove 13.
The dust box 16 is installed to the bottom below position department of polisher platform 1, and the top of dust box 16 is connected with trachea 15, and the end connection of trachea 15 has collection cover 14, collection cover 14's entrance point just is to the exit point of discharge groove 13, the internally mounted dust collection fan of dust box 16, and trachea 15 links to each other with dust collection fan's air inlet, dust box 16 inboard is located dust collection fan bottom position department installation separation net, be convenient for concentrate the collection to the sweeps that produce when polishing, be convenient for simultaneously with the more concentrated transport of sweeps on polishing revolving stage 6 to collection cover 14 in.
Both sides limit portion of transmission case 3 all fixed mounting has connecting seat 17, and a connecting seat 17 sliding connection is in the outside of guide arm 18, another connecting seat 17 has driving screw 19 through threaded connection, driving screw 19 position department is installed to the bottom of polisher platform 1, accommodate motor 20 is supplied power through external power source, and fixed connection between accommodate motor 20's output shaft and the driving screw 19, accommodate motor 20 passes through support fixed mounting in the bottom of polisher platform 1, the bottom of polisher platform 1 is installed and is carried the platform, dust collection box 16 and driving motor 7's bottom is all fixed mounting in the top of platform carrier, make things convenient for accommodate motor 20's stable installation, be convenient for dust collection box 16 and driving motor 7's installation and fixed simultaneously.
The working principle and the using flow of the utility model are as follows: according to the automatic PCB return type polishing device, in the actual polishing process, a PCB to be polished is firstly required to be mounted, during mounting, the PCB is conveniently subjected to limiting clamping through a limiting clamping mechanism which is arranged on a polishing turntable 6 and is composed of a limiting side plate 8, a stable clamping plate 9, a fastening bolt 10 and a movable connecting seat 11, in the specific clamping limiting process, the PCB is placed on the inner sides of the two stable clamping plates 9, the fastening bolt 10 is rotated to drive the two stable clamping plates 9 to be close to each other, so that the PCB on the inner sides of the PCB is conveniently subjected to stable clamping, and the stability and polishing precision of the PCB in the polishing process are ensured;
After the PCB is clamped in a limiting manner, the position height of the polishing roller 5 needs to be adjusted, so that the polishing roller 5 can polish the PCB with better precision, when the PCB is adjusted, the adjusting motor 20 is started, the driving screw 19 is driven to rotate through the adjusting motor 20, so that the transmission case 3 is driven to move in position, the position height of the polishing roller 5 connected with the side edge of the transmission case 3 is adjusted conveniently through the position movement of the transmission case 3, and the polishing depth of the polishing roller 5 to the PCB is adjusted according to the requirement, so that the adaptability of the polishing device is improved;
After the PCB is subjected to limit clamping, and after the position of the polishing roller 5 is adjusted, the polishing turntable 6 is driven to rotate by starting the driving motor 7, so that the PCB at the top of the PCB is driven to rotate, meanwhile, the polishing motor 4 is started, a plurality of groups of polishing rollers 5 are driven to rotate by matching with a transmission mechanism in the transmission case 3, and therefore the PCB subjected to limit clamping on the polishing turntable 6 is polished through the rotation of the polishing rollers 5, the PCB can be continuously contacted with the bottom of the polishing rollers 5 in a circulating rotation mode during polishing, efficient polishing operation is realized, and higher precision, effect and efficiency in the polishing process are ensured;
When polishing, the sweeps that produce of polishing stop through the limit portion that the revolving stage 6 was polished sets up limit portion baffle 12 and collect, avoid it to appear overflowing scattered phenomenon, conveniently stop the sweeps of collecting on the revolving stage 6 of polishing through the drain chute 13 simultaneously and discharge, collect the sweeps through collecting cover 14, trachea 15 and dust collection box 16 constitution's sweeps collection mechanism is convenient to concentrate the collection simultaneously, thereby reduced the processing degree of difficulty of polishing the sweeps, improved the efficiency of clearance simultaneously.
Finally, it should be noted that: the foregoing is merely a preferred example of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.