CN2210064Y

CN2210064Y - grinder

Info

Publication number: CN2210064Y
Application number: CN94230750U
Authority: CN
Inventors: 叶明华
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-11-10
Filing date: 1994-11-10
Publication date: 1995-10-18
Anticipated expiration: 2004-11-10

Abstract

The utility model relates to an optic fibre headgear end face grinds machine, which comprises a housing, there is drive mechanism in the casing, the casing top surface is table surface, there is the abrasive disc on it, table surface is last to grind the arm seat in addition and has perpendicular bearing on it, it grinds the arm to connect on the sliding pedestal of bearing, there is the lateral plate of taking the slant slot to grind arm back both sides, the fixed axle that contains the bearing is worn to the slant ditch inslot, its both ends are fixed by the knob, sliding pedestal and grinding arm seat upper end are equipped with the adjustment screw pole, with the depth of contact of adjustment optic fibre headgear with grinding paper, it can push up the back with grinding the arm and hook to be equipped with the pothook, with the change grinding paper, consequently, it is high to have the grinding precision, various grinds.

Description

Lapping machine

The utility model relates to a kind of grinder, and is particularly a kind of about simultaneously grinding out a plurality of high precision and can setting up the grinder of the optic fibre headgear end face of different radii value.

At present employed a kind of structures of single board that the type grinder is the continuous processing mode one of three strokes of a machine that connect more; this structure once can only be processed the end face of six to 12 fibre-optical splice headgears; and before processing, need to grip the optic fibre headgear grinding clamp with hand earlier; on rough lapping paper, grind in advance and remove epoxy colloid and the optical fiber head end that ceramic headgear end face is protruded; because of used grinding clamp fiber clamping headgear part rather than whole connector; regular meeting is because of the undue force optical fiber that fractures; make the optical fiber of headgear end face be frustrated disconnected and go deep into headgear inside; can't grind away the part of fracture again; thereby cause substandard products; owing to can not directly go up the machine and the grinding of directly removing photoresist, used man-hour and cost are also higher.Headgear fixedly is to be placed on to utilize locking pin to match with the circular cone thimble in the V-type groove to fix in addition, all must load onto to unload when changing pouncing paper at every turn and not only bother but also lose time, and this fixed form is also complicated, so this lapping device is not ideal enough.Simultaneously because optic fibre headgear still is the high precision product at present, its required precision is very high, especially optic fibre headgear partly combines for the summit mode with headgear, if inhomogeneous processing causes the convex surface skew of headgear during because of grinding, though still can pass fast signal, but the contact loss in the time of can forming fiber optic conduction is excessive, has influence on the Optical Fiber Transmission effect, can make the signal loss.

The purpose of this utility model just provides a kind of grinder, has the grinding precision height, and can grind out different end face radiuses, and is simple, convenient, rapid, and the one step completed characteristics of various grinding.

The technical solution of the utility model is: comprise casing, transmission mechanism and operating mechanism are arranged in casing, end face at casing is a work top, abrasive disk on the work top is by the transmission mechanism drive actions, wherein the rear side at work top is equipped with the grinding arm seat, in the front of grinding arm seat linear bearing is housed vertically, be positioned on the slip pedestal on the linear bearing and be connected to the grinding arm forward, both sides at the slip pedestal respectively are connected to a lateral plate backward, have oblique lower groove above, in be installed with the fixed axis that tape spool holds, the two ends thread connection of fixed axis has knob, be connected to the grinding clamp dish in the portion flat the stretching of grinding arm, several terminal bases to combining with connector are arranged on the grinding clamp dish, on abrasive disk, pouncing paper is housed by pad, between the horizontal piece of slip pedestal upper end and grinding arm seat upper end, be provided with one in addition and adjust lead screw, the upper end is a flange, and the adjustment screw thread of lower end is locked in the screwed hole of sliding stand seat, one grab is arranged to hook the grinding arm at a side joint that grinds arm seat.

Below in conjunction with the embodiment accompanying drawing the utility model is described in detail.

At first accompanying drawing is described:

Fig. 1 represents three-dimensional structure diagram of the present utility model;

Side view when Fig. 2 represents that the utility model does not move;

Side view when Fig. 3 represents that the utility model is positioned at warming-up exercise;

Sectional view when Fig. 4 represents that the utility model has moved;

Fig. 5 represents another embodiment cutaway view of grinding clamp of the present utility model.

By Fig. 1 to Fig. 4 as can be known, grinder of the present utility model comprises casing (10), transmission mechanism and operating mechanism (12) are arranged in casing (10), and the end face of casing (10) is work top (13), and the abrasive disk (21) on the work top (13) is by the transmission mechanism drive actions.Feature of the present utility model is to be equipped with by long screw (141) at the rear side of work top (13) to grind arm seat (14), in the front of grinding arm seat (14) linear bearing (16) is housed vertically, be positioned to be connected to by short a chain for binding criminals silk (185) forward on the slip pedestal (17) on the linear bearing (16) and grind arm (18), both sides at slip pedestal (17) respectively are connected to a lateral plate (19) by screw (192) backward, have oblique lower groove (191) above, in be installed with the fixed axis (22) that tape spool holds (20), the two ends thread connection of fixed axis (22) has knob (23), when fixed axis (22) to pressing down, make bearing (20) and grind arm seat (14) close proximity, tighten knob (23) this moment, just can to lateral plate (19) strength that pulls back be arranged to this, promptly driving this slip pedestal (17) also pushes against backward, this grinding arm (18) is not rocked and do not have the gap, as shown in Figure 5, this is because linear bearing (16) all has plurality of gaps to exist with slip pedestal (17) middle part, and be to contact between linear bearing (16) and slip pedestal (17) with ball, the utility model applies a pulling force backward grinding arm seat (14) rear especially, the state that is linked to be a kind of 3 fulcrums, allow the way of contact reach high accuracy, reduce because of rocking that the gap produces.Be connected to grinding clamp dish (45) in the portion (183) flat the stretching of grinding arm (18), several terminal bases (46) to combining with connector (30) are arranged on grinding clamp dish (45), go up at abrasive disk (21) and pouncing paper (27) is housed by pad (26).Between the horizontal piece (142) of slip pedestal (17) upper end and grinding arm seat (14) upper end, be provided with in addition and adjust lead screw (24), specific embodiment is: in the upper end of slip pedestal (17) screw hole (171) is arranged, grind arm seat (14) upper end and horizontal piece (142) is housed by screw (141), porose on it (143), adjust lead screw (24) and pass hole (143), its upper end is flange (341), when grinding arm (18) and slide to minimum point under with the slip pedestal (17) on the guide rail of linear bearing (16), the flange (241) of adjusting lead screw (24) just is stuck on the horizontal piece (142), adjusting the lower end of lead screw (24) locks in the screw hole (171) of slip pedestal (17) for adjusting screw (242), go deep into distance by adjusting in this adjustment screw (242) and this screw hole (171), just can set to be connected to and grind the contact radius value that the flat grinding clamp dish of stretching in the portion (183) (45) of arm (18) is gone up each number pouncing paper (27) on the rubber sheet gasket (26) on the abrasive disk (21) on the interior headgear of each connector (30) and this transmission mechanism with control, adjust lead screw (24) with the distance between setting and slip pedestal (17) by rotation, after setting, nut (28) will be adjusted the fixed-site of screw (242), no longer change is even the part of the headgear in each connector (30) is fixed with the degree of depth that contacts of pouncing paper (27).And it is big to contact the degree of depth, and the contact radius that then grinds is less, and the degree of depth of contact is little, and the contact radius value that then grinds is big, and this adjustment is to calculate the setting means of setting and testing and obtain being suitable in advance with the performance of board.At grinding arm seat (14) one side joints one grab (47) is arranged, grind arm (18) to hook, when decontroling this grab (47) grinding arm (18) is freely fallen with linear bearing (16), transmission mechanism just can drive abrasive disk (21) the interior headgear of connector (30) surface on the grinding clamp dish (45) is ground, to grind arm (18) when pushing back, grab (47) will grind arm (18) automatically and not hook and can drop, so that change various thickness pouncing papers (27).

The utility model is provided with a quick-speed jigs (31) at the end face that grinds arm seat (14), its structure is to be loaded on the horizontal piece (142) by long screw (141) by a triangular form joining base (32), be connected with a cross bar (33) in the back upper end of joining base (32), preceding lower end is connected to a pull lever (34), one end of pull lever (34) is handle (35), be hinged with a connecting rod (36) at the middle part of pull bar (34), the middle part of the other end of connecting rod (36) and cross bar (33) is hinged, upward by screw rod (39) one termination pressure rod (37) is arranged at cross bar (33), the other end is connected to a rubber pressure head (38).This quick-speed jigs (31) when being in normal condition as shown in Figure 2, and when action as shown in Figure 4, this pressure head this moment (38) is pressed in flange part (241) upper end of adjusting lead screw (24), this grinding arm (18) is fixed motionless, be butted on the centre position of cross bar (33) with the end of connecting rod (36), when the handgrip (35) that is limited by pull lever (34) is moved the state of vertical table face to, connecting rod (36) has in the part retraction pull lever (34), allow this cross bar (33) become horizontal, strength with weighted lever brings pressure to bear on grinding arm (18), therefore, this quick-speed jigs has the engaging function, only when drawing back handgrip (35), can remove this kind restriction, to guarantee the accuracy of abrasive action.

It is to be connected to a Jiong shape piece (48) on grinding clamp dish (45) that the utility model design has a movable grinding clamp (25), its structure, and its short slot (481) inserts flat the stretching in the portion (183) of grinding arm (18).Be connected to an integral cast handle (40) on the Jiong shape piece (48), this integral cast handle (40) is a quill shaft shape, one slide bar (42) that is with spring (41) is arranged in the axle, touch with the bottom connection of screw plug (43) that is locked on the axle mouthful the upper end of slide bar (42), and the lower end of slide bar (42) is closely against flat portion (183) surface of stretching of grinding arm (18) through the mesopore (482) of Jiong shape piece (48).Because the both sides of grinding clamp dish (45) have several to terminal base (46), generally be set to good with 12 terminal bases (46), thereby just engage with six pairs of connectors (30), stretch out by the hole of the terminal base (46) of this grinding clamp dish (45) with the headgear (301) that can make each connector (30) a bit of, to keep high accuracy attrition process state fast.

The stage casing of grinding arm of the present utility model (18) is that top is oblique cutting bar portion (181), and the bottom is a flat shape bar portion (182), is to establish for the endurance of strengthening stress.

Fig. 5 represents another embodiment of movable grinding clamp (25), have a match play (184) in the flat portion (183) of stretching of grinding arm (18) with slide bar (42) corresponding position, in a round steel ball (49) is housed, the upper surface (491) of round steel ball (49) is the face that scabbles, lower surface (492) also is that face is scabbled in big zone, this ball (49) is to be located to pack into than macropore (184) by flat bottom surface of stretching portion (183), and protrude to grind that arm is flat to be stretched portion (183) and contact with the end face of grinding clamp dish (45), and be loaded on hole (184) and steel ball (49) chien shih steel ball (49) with plug ring (44) and can not drop out, so this steel ball is because of the engagement state that fixedly presents a specific rotation of slide bar (42), if during because of the surperficial non-horizontal minute surface of pad (26), can allow grinding clamp dish (45) be unlikely the situation generation that the end surface of optical fiber connector headgear separates with pouncing paper (27) takes place thereupon rippling, can guarantee end face can with the contacting of pouncing paper, thereby played the effect of compensation.

Operation principle of the present utility model and course of action and advantage thereof are: load onto connector (30) on the terminal base (46) of grinding clamp dish (45), and be inserted on the grinding arm (18), fixedly grinding clamp dish (45) is motionless, as shown in Figure 2, discharge grab (47) this moment, grinding arm (18) freely falls in abrasive disk (21) thereupon and joins, as shown in Figure 3, just with specific track the joints of optical fibre (30) are launched the actions such as grinding of removing photoresist by transmission mechanism, owing to be mechanical action, its power is even, the optical fiber that can damage the headgear afterbody with the hand mill as known can not take place, tentatively improved the yield rate of product, and for example shown in Figure 4, when quick-speed jigs (31) when exerting pressure, just can roughly grind, with replace known must be with manual inaccurate action of removing photoresist earlier, allow all abrasive action once finish, therebetween as long as change pouncing paper, can guarantee machining accuracy, and the replacing of grinding clamp dish (45) is simple and easy, rapidly, and can produce in enormous quantities fast, because the utility model remains on high-accuracy plumbness up and down, the finished product accuracy of each butt joint headgear also improves greatly, just obtains better product percent of pass again, so can reduce cost significantly, and the various optical fiber of high-quality can be provided, the connector finished product is so be one very good, practical industrialization engineering goods.

Claims

1, a kind of grinder, comprise casing, transmission mechanism and operating mechanism are arranged in casing, the end face of casing is a work top, abrasive disk on the work top is by the transmission mechanism drive actions, feature of the present utility model is, rear side at work top (13) is equipped with grinding arm seat (14), in the front of grinding arm seat (14) linear bearing (16) is housed vertically, be positioned to be connected to forward on the slip pedestal (17) on the linear bearing (16) and grind arm (18), both sides at slip pedestal (17) respectively are connected to a lateral plate (19) backward, have oblique lower groove (191) above, in be installed with the fixed axis (22) that tape spool holds (20), the two ends thread connection of fixed axis (22) has knob (23), be connected to grinding clamp dish (45) in the portion (183) flat the stretching of grinding arm (18), several terminal bases (46) to combining with connector (30) are arranged on grinding clamp dish (45), upward pouncing paper (27) is housed at abrasive disk (21) by pad (26), between the horizontal piece (142) of slip pedestal (17) upper end and grinding arm seat (14) upper end, be provided with one in addition and adjust lead screw (24), the upper end is a flange (241), the adjustment screw thread (242) of lower end is locked in the screwed hole (171) of slip pedestal (17), has a grab (47) to grind arm (18) to hook at a side joint that grinds arm seat (14).

2, grinder according to claim 1, it is characterized in that being provided with a quick-speed jigs (31) at the end face that grinds arm seat (14), its structure is: be loaded on the horizontal piece (142) by a triangular form joining base (32), be connected with a cross bar (33) in the back upper end of joining base (32), preceding lower end is connected to a pull lever (34), one end of pull lever (34) is handle (35), be hinged with a connecting rod (36) at the middle part of pull bar (34), the middle part of the other end of connecting rod (36) and cross bar (33) is hinged, upward by screw rod (39) one termination pressure rod (37) is arranged at cross bar (33), the other end is connected to a rubber pressure head (38).

3, grinder according to claim 1, it is characterized in that design has a movable grinding clamp (25), its structure is to be connected to a Jiong shape piece (48) on grinding clamp dish (45), its short slot (481) inserts flat the stretching in the portion (183) of grinding arm (18), connect an integral cast handle (40) on the Jiong shape piece (48), this integral cast handle (40) is a quill shaft shape, one slide bar (42) that is with spring (41) is arranged in the axle, touch with the bottom connection of screw plug (43) that is contained on the axle mouthful the upper end of slide bar (42), the lower end of slide bar (42) hole (482) and be butted on flat portion (183) surface of stretching of grinding arm (18) among Jiong shape piece (48).

4, grinder according to claim 1, the stage casing that it is characterized in that grinding arm (18) is that top is oblique rod portion (181), the bottom is a flat shape bar portion (182).

5, grinder according to claim 3, it is characterized in that having a match play (184) with slide bar (42) corresponding position in the flat portion (183) of stretching of grinding arm (18), from flat portion (183) bottom of stretching than macropore (184) the round steel ball (49) of packing into, the upper surface (491) of round steel ball (49) is the face that scabbles, lower surface (492) also is that face is scabbled in big zone, and protrude to grind the flat portion of stretching of arm and contact, and be loaded between hole (184) and steel ball (49) with plug ring (44) with the end face of grinding clamp dish (45).