CN210819046U - PCB milling cutter surface grinding device - Google Patents

Abstract

The utility model discloses a PCB milling cutter surface grinding device, including the device main part, feed inlet and discharge gate have been seted up respectively to the both sides of device main part, the device main part is under shed box type structure, the equal fixedly connected with rolling bearing in inside of feed inlet and discharge gate, rolling bearing's inner ring fixedly connected with material pipe, the bar mouth that is used for getting rid of the grinding gravel is offered on the surface of material pipe. This PCB milling cutter surface grinding device, set up rolling bearing and material pipe, make the PCB milling cutter tungsten steel bar that needs the essence to polish follow the material pipe and rotate, set up the inside rotary cylinder that is full of the grit and the contact tube of polishing, make the surface of this tungsten steel bar and the grit contact of polishing in the rotary cylinder, set up the double-shaft motor, outer gear ring and second gear, make the inside rotary motion that polishes of rotary cylinder also not stopping of tungsten steel bar when rotatory, thereby make the rotatory grit of polishing can be to the comprehensive meticulous polishing of tungsten steel bar surface.

Description

PCB milling cutter surface grinding device

Technical Field

The utility model relates to a PCB milling cutter processing technology field specifically is a PCB milling cutter surface grinding device.

Background

Printed circuit boards, also known as printed circuit boards or PCBs, are providers of electrical connections for electronic components. Its development has been over 100 years old, its design is mainly territory design, and the main advantages of adopting circuit board are that the errors of wiring and assembling can be greatly reduced, and the automation level and production labour rate can be raised. The PCB needs to be processed by a milling cutter in the production process of the PCB.

A milling cutter is a rotating tool with one or more cutter teeth for milling. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine. We use a milling cutter PCB milling cutter for PCBs.

The traditional PCB milling cutter processing technology is that cutting is carried out firstly, then polishing is carried out, and finally a machine tool is edged, and we find that a short tungsten steel bar is difficult to fix when being polished. In the process, the grinding is divided into rough grinding and fine grinding, wherein the rough grinding is to push the whole tungsten steel bar into a specific grinding wheel for rough grinding. Regarding finish grinding, grinding equipment on the market is all directed to short tungsten steel bars, and no equipment for finish grinding the whole tungsten steel bar is available.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PCB milling cutter surface grinding device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a PCB milling cutter surface grinding device, includes the device main part, feed inlet and discharge gate have been seted up respectively to the both sides of device main part, the device main part is under shed box type structure, the equal fixedly connected with rolling bearing in inside of feed inlet and discharge gate, rolling bearing's inner ring fixedly connected with material pipe, the bar mouth that is used for getting rid of the grinding gravel is offered on the surface of material pipe, fixedly connected with polishing contact tube between two sections material pipes, the surface setting of polishing contact tube is used for having the polishing mechanism that the tungsten steel stick was polished, the lower surface of device main part is provided with the sand collection mechanism that is used for concentrating the grinding gravel, the upper surface of device main part is provided with the rotatory power unit of drive material pipe.

Preferably, the grinding contact tube comprises square openings formed in the surface of the grinding contact tube and used for increasing the contact area of the whole tungsten steel bar inside and the grinding gravel.

Preferably, grinding machanism includes fixed connection and is in the grinding bearing who polishes contact tube and material pipe linking department surface, the inside revolving drum that is full of grinding gravel of outer loop fixedly connected with who grinds the bearing, revolving drum fixed surface is connected with outer gear ring, the interpolation mouth that is used for filling the gravel is seted up to the side of revolving drum.

Preferably, the sand collecting mechanism comprises a conical sand collecting pipeline fixedly connected to the lower surface of the device main body, the lower end of the sand collecting pipeline is fixedly connected with a disc used for sealing the lower end of the sand collecting pipeline, the lower surface of the disc is fixedly connected with a sand discharging pipe, and the top end of the sand discharging pipe penetrates through the disc and is communicated with the inside of the sand collecting pipeline.

Preferably, power unit includes that the belt is crossed to the left side output shaft of biax motor and the device main part upper surface of fixed connection has seted up the mounting hole in device main part upper surface, it is rotatory that the belt drives the material pipe, the first gear of right side output shaft fixedly connected with of biax motor, the inside fixedly connected with axle seat frame of mounting hole, the inner wall of axle seat frame rotates and is connected with the pivot, the fixed surface of pivot is connected with the second gear with outer gear ring looks adaptation, the left end of pivot runs through the drive gear that extends to the left side fixedly connected with of axle seat frame and is connected with first gear engagement.

Preferably, the upper surface of the device main body is provided with a feed inlet for adding grinding gravel.

Advantageous effects

The utility model provides a PCB milling cutter surface grinding device possesses following beneficial effect:

1. this PCB milling cutter surface grinding device, through setting up rolling bearing and material pipe, make the PCB milling cutter tungsten steel bar that needs the essence to polish follow the material pipe and rotate, through setting up the inside rotary cylinder that fills up the grit and the contact pipe of polishing, make the surface of this tungsten steel bar and the grit contact of polishing in the rotary cylinder, through setting up double-shaft motor, outer gear ring and second gear, make the inside rotary motion that polishes of rotary cylinder also not stopping of tungsten steel bar when rotatory, thereby make the rotatory grit of polishing can be to the comprehensive meticulous polishing in tungsten steel bar surface.

2. This PCB milling cutter surface grinding device through setting up the bar mouth and with the material pipe, makes the grit of polishing that gets into the material pipe can flow inside the device main part, through setting up the charge door and adding the mouth, makes inside the grit of polishing can add into a rotatory section of thick bamboo, through setting up an album sand pipeline, disc and row's sand pipe, makes the device have the effect concentrated to the grit of polishing to be convenient for develop tungsten steel chip filtering work.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is an enlarged schematic structural diagram of the point B in fig. 1 according to the present invention.

In the figure: the device comprises a device body 1, a feeding hole 2, a discharging hole 3, a rotating bearing 4, a material pipe 5, a strip-shaped opening 6, a polishing contact pipe 7, a supporting leg 8, a grinding bearing 9, a rotating cylinder 10, an external gear ring 11, a feeding hole 12, a sand collecting pipeline 13, a disc 14, a sand discharging pipe 15, a double-shaft motor 16, a mounting hole 17, a first gear 18, a shaft seat frame 19, a rotating shaft 20, a second gear 21, a transmission gear 22 and a feeding hole 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a PCB milling cutter outer surface grinding device comprises a device main body 1, a feed inlet 2 and a discharge outlet 3 are respectively arranged on two sides of the device main body 1, the device main body 1 is of a lower opening box type structure, a rotating bearing 4 is fixedly connected inside the feed inlet 2 and the discharge outlet 3, a material pipe 5 is fixedly connected with an inner ring of the rotating bearing 4, a strip-shaped opening 6 used for removing grinding gravel is arranged on the surface of the material pipe 5, a grinding contact pipe 7 is fixedly connected between the two sections of the material pipe 5, the grinding contact pipe 7 comprises a square opening which is arranged on the surface of the grinding contact pipe 7 and used for increasing the contact area of the whole tungsten steel bar and the grinding gravel, a grinding mechanism used for finely grinding the tungsten steel bar is arranged on the surface of the grinding contact pipe 7, the grinding bearing 9 is fixedly connected on the surface at the joint of the grinding contact pipe 7 and the material pipe 5, a rotary cylinder 10 filled, the surface of the rotating cylinder 10 is fixedly connected with an outer gear ring 11, and the side surface of the rotating cylinder 10 is provided with an adding port 12 for filling gravel.

The lower surface of device main part 1 is provided with the sand collection mechanism that is used for concentrating the gravel of polishing, and sand collection mechanism includes conical sand collection pipeline 13 of fixed connection at device main part lower surface, and the lower extreme fixedly connected with of sand collection pipeline 13 is used for sealing disc 14 of sand collection pipeline 13 lower extreme, and the lower fixed surface of disc 14 is connected with row's husky pipe 15, and the top of arranging husky pipe 15 runs through disc 14 and is linked together with the inside of sand collection pipeline 13.

The upper surface of device main part 1 is provided with the power unit that drives 5 rotations of material pipe, power unit includes that fixed connection has seted up mounting hole 17 at the 1 upper surface of device main part's 1 double-shaft motor 16 and the 1 upper surface of device main part of upper surface, the belt is crossed to double-shaft motor 16's left side output shaft and the material pipe 5 is rotatory, the first gear 18 of double-shaft motor 16's right side output shaft fixedly connected with, the inside fixedly connected with axle seat frame 19 of mounting hole 17, the inner wall of axle seat frame 19 rotates and is connected with pivot 20, the fixed surface of pivot 20 is connected with the second gear 21 with outer gear ring 11 looks adaptation, the left end of pivot 20 runs through the drive gear 22 that extends to axle seat frame 19's left side fixedly connected with and first gear 18 meshing is connected, the charge door 23 that is used for.

Through setting up rolling bearing 4 and material pipe 5, make the PCB milling cutter tungsten steel bar that needs the fine polishing rotate and rotate following material pipe 5, through setting up the rotary cylinder 10 and the contact pipe 7 of polishing that the inside is full of gravel, make the surface of this tungsten steel bar contact with the grit in the rotary cylinder 10, through setting up the double-shaft motor 16, outer gear ring 11 and second gear 21, make the tungsten steel bar rotate the inside grit of rotary cylinder 10 also at the rotary motion that does not stop while being rotatory, thereby make rotatory grit can be to the comprehensive fine polishing of tungsten steel bar surface, through setting up bar mouth 6 and material pipe 5, make the grit that gets into material pipe 5 flow to the inside of device main part 1, through setting up charge door 23 and interpolation mouth 12, make the grit can add into the inside of rotary cylinder 10, through setting up sand collecting pipe 13, disc 14 and sand discharge pipe 15, make the device have the concentrated effect to the grit, thereby being convenient for developing the tungsten steel fine scrap filtering work.

The working principle is as follows: when this PCB milling cutter surface grinding device uses, at first through adding mouthful 12 and charge door 23 will polish the gravel pack full of inside a rotatory section of thick bamboo 10, the tungsten steel bar that will need the precision to polish puts into material pipe 5, then it is rotatory with a rotatory section of thick bamboo 10 to start double-shaft motor 16 drives material pipe 5, promote tungsten steel bar forward movement again, polish the high-speed rotation of gravel this moment and with tungsten steel bar surface contact, polish tungsten steel bar surface, get into behind material pipe 5 when a little grit of polishing, rotatory material pipe 5 can see off the grit of polishing from bar mouth 6, finally flow to collection sand pipeline 13, through arranging sand pipe 15 centralized processing, be convenient for reuse, thereby make this PCB milling cutter surface grinding device have the accurate effect of polishing whole tungsten steel bar.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a PCB milling cutter surface grinding device, includes device main part (1), its characterized in that: feed inlet (2) and discharge gate (3) have been seted up respectively to the both sides of device main part (1), device main part (1) is under shed box type structure, the equal fixedly connected with rolling bearing (4) in inside of feed inlet (2) and discharge gate (3), inner ring fixedly connected with material pipe (5) of rolling bearing (4), bar mouth (6) that are used for getting rid of the grinding gravel are offered on the surface of material pipe (5), two sections fixedly connected with polishes between material pipe (5) and contacts pipe (7), the surface of polishing contact pipe (7) sets up the grinding machanism who is used for having the tungsten steel stick essence to polish, the lower surface of device main part (1) is provided with the collection sand mechanism who is used for concentrating the grinding gravel, the upper surface of device main part (1) is provided with the rotatory power unit of drive material pipe (5).

2. The grinding device for the outer surface of the PCB milling cutter as claimed in claim 1, wherein: the grinding contact pipe (7) comprises a square opening which is formed in the surface of the grinding contact pipe and used for increasing the contact area of the whole internal tungsten steel bar and grinding gravel.

3. The grinding device for the outer surface of the PCB milling cutter as claimed in claim 1, wherein: grinding machanism includes that fixed connection is at the grinding bearing (9) of grinding contact pipe (7) and material pipe (5) linking department surface, the inside rotatory section of thick bamboo (10) that are full of grinding grit of outer loop fixedly connected with of grinding bearing (9), rotatory section of thick bamboo (10) fixed surface is connected with outer gear ring (11), interpolation mouth (12) that are used for filling the grit are seted up to the side of rotatory section of thick bamboo (10).

4. The grinding device for the outer surface of the PCB milling cutter as claimed in claim 1, wherein: the sand collecting mechanism comprises a conical sand collecting pipeline (13) fixedly connected to the lower surface of the device main body, the lower end of the sand collecting pipeline (13) is fixedly connected with a disc (14) used for sealing the lower end of the sand collecting pipeline (13), the lower surface of the disc (14) is fixedly connected with a sand discharging pipe (15), and the top end of the sand discharging pipe (15) penetrates through the disc (14) and is communicated with the inside of the sand collecting pipeline (13).

5. The grinding device for the outer surface of the PCB milling cutter as claimed in claim 1, wherein: power unit has seted up mounting hole (17) including double-shaft motor (16) and device main part (1) upper surface of fixed connection at device main part (1) upper surface, the belt is crossed to the left side output shaft of double-shaft motor (16) and the rotation of drive material pipe (5), the first gear (18) of right side output shaft fixedly connected with of double-shaft motor (16), the inside fixedly connected with axle seat frame (19) of mounting hole (17), the inner wall of axle seat frame (19) rotates and is connected with pivot (20), the fixed surface of pivot (20) is connected with second gear (21) with outer gear ring (11) looks adaptation, the left end of pivot (20) runs through the drive gear (22) that extend to the left side fixedly connected with of axle seat frame (19) and be connected with first gear (18) meshing.

6. The grinding device for the outer surface of the PCB milling cutter as claimed in claim 1, wherein: the upper surface of the device main body (1) is provided with a feed inlet (23) for adding grinding gravel.

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