CN203109729U

CN203109729U - Feed positioning mechanism used for grinding bearing outer ring inner slot

Info

Publication number: CN203109729U
Application number: CN 201320007955
Authority: CN
Inventors: 蓝德光
Original assignee: ZHEJIANG LANXIANG BEARING CO Ltd
Current assignee: ZHEJIANG LANXIANG BEARING CO Ltd
Priority date: 2013-01-08
Filing date: 2013-01-08
Publication date: 2013-08-07
Anticipated expiration: 2023-01-08

Abstract

The utility model discloses a feed positioning mechanism used for grinding a bearing outer ring inner slot. The feed positioning mechanism used for grinding the bearing outer ring inner slot comprises a feed groove and a discharge groove, wherein the lower end of the feed groove is connected with the lower side of a charge-in groove, the charge-in groove and the discharge groove form a herringbone, and the higher end of the charge-in groove is connected with the higher end of the discharge groove through a positioning groove which is arranged in a transverse mode. A workpiece pushing device is arranged at one end, connected with the feed groove, of the charge-in groove, a driving shaft is perpendicularly arranged on one side of the positioning groove, a positioning hole is formed in a position, corresponding to the driving shaft, of the side wall of the positioning groove, the head portion of the driving shaft is arranged in the positioning hole in a penetrating mode, the other side of the positioning groove is provided with a pressing wheel seat which can move in a transverse mode, two rotatable pressing wheels are arranged on the pressing wheel seat side by side, grinding head via holes are formed in side walls, close to the pressing wheels, of the positioning groove, and pressing wheel via holes are formed in positions, corresponding to the pressing wheels, of the positioning groove. A workpiece positioning mechanism of the feed positioning mechanism used for grinding the bearing outer ring inner slot is simple in structure, reliable, high in work efficiency and capable of accurately and reliably sending workpieces to machining positions one by one.

Description

A kind of material loading detent mechanism for grinding bearing outer ring septal fossula

Technical field

The utility model relates to a kind of machining apparatus, especially relates to a kind of auxiliary body of numerically control grinder, the material loading when it is applicable to grinding bearing outer ring septal fossula and to the location of workpiece.

Background technology

Bearing outer ring needs to grind inside and outside circle and end face after heat treatment finishes, grinding the raceway groove of grinding out at last, because bearing is normally produced in enormous quantities, therefore, when grinding the grinding out raceway groove, needs to realize automatic charging by corresponding mechanism.For example, disclosed on Chinese patent literature " a kind of bearing-ring grinder feeder ", Granted publication number are CN102615558A, and it comprises the lifting device and the disk Storage appts. that are connected with a low level feed well between the feed well, one; Lifting device comprises a lifting motor and the driving-chain that is in transmission connection with the lifting motor, has several storagetanks on the driving-chain; The disk Storage appts. comprises the cylinder of a up/down perforation, has a disk that is in transmission connection with rotary electric machine on the bottom surface of cylinder, has a discharging opening on the periphery of cylinder, and the high-end and discharging opening of low level feed well is connected.Rotation by disk, release discharging opening successively placing the lasso on the disk, lasso falls into the low level feed well and rolls to lifting device after vertically, embed in the storagetank on the driving-chain, lasso falls into feed well after rising to the top with driving-chain, carries out grinding after finally entering the charging aperture of grinding machine.But there are the following problems for this type of existing feed mechanism: because the location of workpiece normally is positioned at Working position by chuck, make workpiece turnover Working position difficulty, detent mechanism and operation program complexity, inefficiency, and workpiece can not be carried accurately and reliably one by one, be caused follow-up workpiece location difficulty.

The utility model content

The purpose of this utility model is to solve existing in prior technology workpiece detent mechanism and finder complexity, ineffective problem, a kind of material loading detent mechanism that is applicable to numerically control grinder grinding bearing outer ring septal fossula is provided, its workpiece detent mechanism simple and reliable for structure, high efficiency.

Another purpose of the present utility model is to solve the existing in prior technology feed mechanism and workpiece can not be carried accurately and reliably one by one, the problem that causes follow-up workpiece location difficulty, a kind of material loading detent mechanism that is applicable to numerically control grinder grinding bearing outer ring septal fossula is provided, can accurately and reliably workpiece be delivered to Working position one by one.

To achieve these goals, the utility model is by the following technical solutions: a kind of material loading detent mechanism for grinding bearing outer ring septal fossula, comprise the last hopper and the blow tank that are in tilted layout, the upside of the low side of the feed well that the low side of last hopper and is in tilted layout is connected, feed well and blow tank constitute herringbone, and the locating slot by a horizontally set between the high-end and blow tank of feed well high-end is connected, feed well is provided with the workpiece pusher at an end that is connected with last hopper, the bottom surface of locating slot is a face of cylinder adaptive with excircle of workpiece, one side of locating slot vertically arranges a driving shaft coaxial with the locating slot bottom surface, locating slot is provided with locating hole near respective drive position on the sidewall of driving shaft, described driving shaft head is located in the locating hole, and the end face of driving shaft flushes with this inside surface of side wall; The opposite side of locating slot is provided with transversely movable pinch roller seat, be provided with two rotating pinch rollers on the pinch roller seat side by side, the moving direction of pinch roller seat is perpendicular to locating slot, distance between two pinch rollers adapts with the external diameter of workpiece, thereby between two pinch rollers, form the bistrique mobile space, locating slot is provided with the bistrique via hole near the sidewall of pinch roller, and is provided with the pinch roller via hole in the position of corresponding pinch roller.

In the utility model for delivery of the last hopper of workpiece, blow tank, feed well all adopts and is in tilted layout, thereby the gravity effect that can utilize workpiece makes circular workpiece automatic rolling, workpiece is sent in hopper high-end by artificial or automatic collator earlier, workpiece can roll downwards and enters in the feed well along last hopper, by the workpiece pusher in the feed well workpiece upwards is pushed on the face of cylinder in the locating slot then and locatees, then the pinch roller seat drives pinch roller to workpiece one side shifting, an end face that makes pinch roller pass the pinch roller via hole and promote workpiece is pressed on the end face of driving shaft the opposite side end face of workpiece, driving shaft can utilize frictional force to drive workpiece and rotate, and the bistrique between two pinch rollers can pass the bistrique via hole and entered that the septal fossula to workpiece carries out grinding in the workpiece this moment.Owing to form tangent relation between the end face of pinch roller and workpiece, therefore be the line contact between the two, workpiece drives pinch roller and rotates together when rotating, make between the two and can not produce relative sliding friction, can avoid the damage to workpiece, and prolong the service life of pinch roller.After a workpiece machined, the workpiece pusher was pushed to another workpiece on the face of cylinder in the locating slot, and manufactured workpiece is extruded in the blow tank, can enter into along downward-sloping blow tank in the corresponding workpiece gathering-device then.Because the clamping of workpiece is the mode that adopts the both sides end face to clamp, therefore whole location, clamping structure are comparatively simple, and workpiece is convenient when the turnover locating slot, step is few, thereby can improve its efficient effectively.

As preferably, described pinch roller via hole and bistrique via hole are slot, and the bistrique via hole is arranged on the centre of two pinch roller via holes.Because two pinch roller via holes are the both sides of workpiece in the corresponding locating slot just, thereby the bistrique that is used for grinding just is positioned at the center of workpiece, thereby make the bistrique can be along the moving radially in order to the septal fossula of workpiece is carried out grinding of workpiece, and be conducive to digital control system to the control of workpiece stock removal.

As preferably, the periphery of described pinch roller is the cambered surface of evagination.Thereby make to form point between pinch roller and the workpiece and contact, in order to thoroughly avoid because of the direction of motion of the contact position of pinch roller and workpiece and the inconsistent relative sliding friction that forms of speed.

As preferably, described upward hopper is the rectangular enclosed slot of cross section, last hopper is extending out the discoidal turned cavities of formation near the feed well place, be provided with circular sub-material rotating disk in the turned cavities rotationally, described sub-material rotating disk is by motor-driven, and is arranged with two sub-material bayonet sockets in that its circumference is first-class, and the sub-material bayonet socket is radially extended by the edge of sub-material rotating disk, the width of sub-material bayonet socket and the external diameter of workpiece are adaptive, and the degree of depth of sub-material bayonet socket equals 1-1.2 times of workpiece external diameter.

When workpiece enters in the sub-material bayonet socket of sub-material rotating disk along last hopper, motor-driven sub-material rotating disk, other workpiece was stopped by the sub-material rotating disk and rested in the hopper this moment, behind sub-material dial rotation 180 degree, hold the sub-material bayonet socket of workpiece and just aim at feed well, workpiece can enter in the feed well, and is pushed in the locating slot by the workpiece pusher; At this moment, another sub-material bayonet socket then just turns to aim at goes up hopper, and the workpiece of back can enter in this sub-material bayonet socket, rotates the sub-material rotating disk successively, workpiece can be sent in the feed well seriatim, thereby be realized carrying in order one by one of workpiece.

As preferably, described workpiece pusher comprises that one pushes cylinder and is slidingly arranged in arc push pedal in the feed well, and arc push pedal one side be and the propelling movement face of the adaptive indent of workpiece external diameter that opposite side is connected with the piston rod of propelling movement cylinder.The arc push pedal can be conducive to the steady propelling movement of workpiece with the workpiece good fit, and cylinder has the fast and free of contamination characteristics of action response, thereby can accelerate the efficient of operating frequency and grinding significantly.

As preferably, be provided with electromagnet in the described arc push pedal, be provided with the travel switch that can control the electromagnet coil break-make in the described feed well.Electromagnet can adsorb workpiece reliably, put in place in order to it is pushed exactly, when the arc push pedal workpiece is pushed put in place after, the travel switch effect, thus the electromagnet dead electricity is discharged workpiece.

As preferably, described arc push pedal is rotationally connected by rotating shaft with the piston rod that pushes cylinder, rotating shaft is provided with torsion spring, the arc push pedal is held in the axis hole of rotating shaft and along the circumferential direction is provided with stopper slot, corresponding stopper slot place is provided with position-limitting pin in the rotating shaft, the feed well bottom surface is provided with draw-in groove along its length, and the corresponding draw-in groove in the edge of arc push pedal place is provided with the driving lever that gos deep in the draw-in groove.

Because feed well is for being obliquely installed, and locating slot is lateral arrangement, thereby structure is in an angle between the two, when the arc push pedal upwards pushes workpiece when putting in place, driving lever touching draw-in groove, thus the torsion that makes the arc push pedal overcome spring rotates towards locating slot one side, makes the propelling movement face of arc push pedal towards horizontal direction, thereby being conducive to improve the accuracy that workpiece puts in place, stopper slot then can limit the rotational angle of arc push pedal easily.

As preferably, the inherent top near blow tank one side of described locating slot is provided with suspended axle, is hung with the workpiece baffle plate on the suspended axle rotationally, and the workpiece baffle plate is being provided with vertical screw rod near blow tank one side, and adjusting nut has been threaded on the screw rod.

The workpiece baffle plate can play the effect that stops workpiece, avoids pushing the workpiece that puts in place and breaks away from the bottom surface that is used for the workpiece location in the locating slot because of effect of inertia, and directly enter in the blow tank.Because the workpiece baffle plate design for suspension type, thereby the workpiece that processes is crowded under the promotion of subsequent workpiece goes into operation the part baffle plate and enter in the blow tank.Adjusting nut then can play the effect of balancing weight, rotate adjusting nut and can change its height and position on screw rod, thereby change the needed power of workpiece baffle plate of pushing open quickly and easily, guarantee that the workpiece baffle plate can stop workpiece reliably, be convenient to workpiece simultaneously and push the workpiece baffle plate open and enter in the blow tank.

In sum, workpiece detent mechanism of the present utility model simple and reliable for structure, high efficiency; And can accurately and reliably workpiece be delivered to Working position one by one.

Description of drawings

Fig. 1 is a kind of structural representation of the present utility model.

Fig. 2 is sectional structure schematic diagram of the present utility model.

Fig. 3 is the structural representation of workpiece pusher in the utility model.

Fig. 4 is the structural representation of workpiece baffle plate in the utility model.

Among the figure: 1, last hopper 11, turned cavities 12, sub-material rotating disk 121, sub-material bayonet socket 122, permanent magnet 2, feed well 21, draw-in groove 3, blow tank 4, locating slot 41, bottom surface 42, locating hole 43, pinch roller via hole 44, bistrique via hole 5, workpiece pusher 51, arc push pedal 511, propelling movement face 512, axis hole 513, stopper slot 514, driving lever 52, push cylinder 53, rotating shaft 531, position-limitting pin 6, driving shaft 7, pinch roller seat 71, pinch roller 8, suspended axle 81, workpiece baffle plate 811, screw rod 812, adjusting nut 9, bistrique

The specific embodiment

Below in conjunction with accompanying drawing and the specific embodiment the utility model is further described.

Among the embodiment as shown in Figure 1 and Figure 2, a kind of material loading detent mechanism for grinding bearing outer ring septal fossula, comprise and be positioned at same perpendicular and the last hopper 1 that is in tilted layout, blow tank 3 and feed well 2, last hopper is the rectangular enclosed slot of cross section, and the inner cavity size of last hopper and the appearance and size of workpiece are adaptive, feed well and blow tank then can be the rectangular enclosed slots of cross section, it perhaps also can be the U-shaped groove that upside is opened, workpiece is upright placement in hopper, blow tank and the feed well on above-mentioned, to make things convenient for the rolling of workpiece.Feed well and blow tank are herringbone and arrange, and the locating slot 4 by a transverse horizontal setting between the high-end and blow tank of feed well high-end is connected, the bottom surface 41 of locating slot is a face of cylinder adaptive with excircle of workpiece, and the bottom surface rounding off of this bottom surface and feed well and blow tank.The low side of last hopper is connected with the upside of the low side of feed well, the high-end of last hopper is the entrance of workpiece, workpiece to be processed can be sent in hopper high-end by artificial or automatic collator etc., and workpiece can roll downwards and enters in the feed well along last hopper.

In order to control the conveying one by one of workpiece, last hopper is extending out the discoidal turned cavities 11 of formation near the feed well place, the sub-material rotating disk 12 of one circle is set in the turned cavities, this sub-material rotating disk drives by being located at the outer stepper motor of hopper, so that it can be by the angular turn that arranges in advance in turned cavities, the first-class branch of the circumference of sub-material rotating disk arranges two sub-material bayonet sockets 121, the sub-material bayonet socket is radially extended internally by the edge of sub-material rotating disk, the width of sub-material bayonet socket and the external diameter of workpiece are adaptive, its base is semicircle, and the degree of depth of sub-material bayonet socket equals 1-1.2 times of the workpiece external diameter, and preferred value is 1.1 times.The line of two sub-material bayonet sockets and the central axes of last hopper, like this, a sub-material bayonet socket is just aimed at hopper near the workpiece inlet side, another sub-material bayonet socket is then just aimed at and is gone up hopper connection feed well one side, when workpiece rolls downwards along last hopper, at first enter into to aim at and go up hopper near in the sub-material bayonet socket of workpiece inlet side, and just can only hold a workpiece in the sub-material bayonet socket, when stepper motor drives the sub-material dial rotation, the sub-material rotating disk will be gone up hopper and shut, the subsequent workpiece of pasting mutually with workpiece in the sub-material bayonet socket namely is blocked in the hopper, after the sub-material rotating disk turns over 180 degree, originally the sub-material bayonet socket of alignment pieces inlet side forwards to aim at and goes up hopper connection feed well one side, at this moment, its inner workpiece can roll downwards under the effect of gravity and enter in the feed well, the sub-material bayonet socket of the feed well of the last hopper connection of aligning originally one side is rotational alignment workpiece inlet side then, follow-up workpiece can enter in this sub-material bayonet socket, so repeat, workpiece can be sent in the feed well one by one.Certainly, we can also arrange two pairs of opposite polarity permanent magnets 122 at the edge of sub-material rotating disk and the madial wall correspondence position of turned cavities, and two pairs of permanent magnets layout that is centrosymmetric, utilize the suction of permanent magnet, can guarantee that the sub-material rotating disk can be positioned under free state accurately on the position, stepper motor then can overcome this suction and rotates during work.

In addition, for being pushed in the locating slot, workpiece locatees, the end that we also need to be connected with last hopper in feed well arranges corresponding workpiece pusher 5, as shown in Figure 3, the workpiece pusher comprises that one is slidingly arranged in the arc push pedal 51 in the feed well and drives arc push pedal propelling movement cylinder 52, arc push pedal one side is the propelling movement face 511 of indent, propelling movement face is preferably the face of cylinder adaptive with the workpiece external diameter, opposite side is rotationally connected by rotating shaft 53 with the piston rod that pushes cylinder, simultaneously, axis hole 512 inwalls that hold rotating shaft in the arc push pedal arrange the stopper slot of along the circumferential direction arranging 513, and correspondingly in rotating shaft corresponding stopper slot place radially position-limitting pin 531 is set, position-limitting pin extend in the stopper slot, by the size of stopper slot reasonably is set, can limit the rotational angle of arc push pedal.Certainly; be understandable that; need to arrange alignment pin or holding screw etc. between above-mentioned rotating shaft and the piston rod, can not produce relative rotation between rotating shaft and the piston rod in order to make, thereby guarantee between two extreme positions that stopper slot limits, to rotate between arc push pedal and the piston rod.

Further, we also need in rotating shaft the torsion spring (not shown) to be set, torsion spring one end pins piston rod, the other end pins the arc push pedal, make the arc push pedal can under the effect of torsion spring, turn to a side pole extreme position, the propelling movement face of the arc push pedal of this moment towards with the vertical consistency of feed well, namely push face feed well longitudinally central axis become symmetry shape.When the arc push pedal turns to another extreme position, the arc push pedal be oriented horizontal direction, thereby can be fully towards the locating slot of level.Certainly, we need arrange draw-in groove 21 along its length in the feed well bottom surface, and corresponding draw-in groove place arranges the driving lever 514 that gos deep in the draw-in groove at the edge of the downside of arc push pedal, like this, constitute between driving lever and the draw-in groove and be slidingly connected, thereby guide effect is played in the slip of arc push pedal in feed well, simultaneously, when the arc push pedal is pushed to feed well and locating slot junction, draw-in groove stops driving lever, the torsion that makes the arc push pedal overcome torsion spring turns to complete locating slot direction towards level, and then workpiece successfully is pushed in the locating slot, and is positioned on the bottom surface of locating slot.

A nearlyer step ground, separate with the arc push pedal in the propelling movement process for fear of workpiece, the electromagnet (not shown) can be set in the arc push pedal, simultaneously near locating slot one end a pressure lever type, normally closed travel switch are set in feed well, the trip switch series is connected on (not shown) in the current supply circuit of electromagnet coil.Like this, when the lower end of arc push pedal in feed well, electromagnet coil power produces suction, the workpiece that enters feed well can be absorbed and fixed on the propelling movement face of arc push pedal, when the arc push pedal is pushed to the upper end with the locating slot junction, travel switch works and makes the magnet spool dead electricity, thereby workpiece is discharged and is positioned in the locating slot; During the downward rollback of arc push pedal, electromagnet recovers suction again.Travel switch can be arranged on the upside of feed well and locating slot junction, correspondingly the upside relative with driving lever arranges a compressing tablet (not shown) in the arc push pedal, when the arc push pedal is stopped when rotating by draw-in groove because of driving lever, the depression bar of compressing tablet pushing travel switch, thereby make the travel switch open circuit, electromagnet loses suction, and the workpiece that is adsorbed in the arc push pedal is released, and just on the bottom surface of rotational positioning groove.

As Fig. 1, shown in Figure 2, for clamping and positioning in locating slot workpiece and make its rotation, we can arrange a driving shaft 6 of laterally placing in a side of locating slot, driving shaft can be by motor by existing belt pulley, transmission mechanisms such as gear drive, driving shaft and locating slot sidewall are perpendicular, and it is coaxial with the bottom surface of locating slot, locating slot then needs near respective drive position on the sidewall of driving shaft locating hole 42 is being set, the driving shaft head is located in the locating hole, and the end face of driving shaft flushes with this inside surface of side wall, so that workpiece can successfully enter in the locating slot from feed well, and abut on the end face of driving shaft.Certainly, must leave the gap between driving shaft and the locating hole, so that drive shaft turns.The opposite side of locating slot arranges transversely movable pinch roller seat 7, be arranged side by side two rotating pinch rollers 71 on the pinch roller seat, the pinch roller seat can be promoted by cylinder, its moving direction is perpendicular to the locating slot sidewall, distance between two pinch rollers adapts with the external diameter of workpiece, so that pinch roller can be pushed down the both sides of workpiece, preferably, in distance between the center of two pinch rollers and the workpiece, the mean value of external diameter equates, thereby between two pinch rollers, form the bistrique mobile space, be understandable that locating slot should arrange pinch roller via hole 43 in the position near corresponding pinch roller on the sidewall of pinch roller, so that pinch roller can pass pinch roller via hole workpiece pressing.In addition, we also need near the sidewall of pinch roller a bistrique via hole 44 is set at locating slot, and pinch roller via hole and bistrique via hole are preferably slot.Particularly, the bistrique via hole should be arranged on the centre of two pinch roller via holes, like this, can make bistrique 9 be positioned at the position, middle of two pinch rollers, the bistrique of grinding machine can pass the bistrique via hole by the control of digital control system and enter in the workpiece, and along moving radially of workpiece and the septal fossula of grinding work piece.Need to prove that the periphery of pinch roller is preferably the cambered surface of evagination, contact thereby make to form between pinch roller and the workpiece, in order to the direction of motion and the speed of the contact position of pinch roller and workpiece are consistent, thereby avoid relative sliding friction between the two.

At last, we can also arrange suspended axle 8 in the top near blow tank one side in locating slot, hang a workpiece baffle plate 81 on the suspended axle rotationally, the lower end of workpiece baffle plate is unsettled, make it do the time spent and can rotate voluntarily being subjected to external force, and the workpiece baffle plate can produce an automatically reset moment under the effect of self gravitation.When workpiece entered locating slot, the workpiece baffle plate can stop workpiece, avoided workpiece directly to tumble in the blow tank because of effect of inertia.

The utility model is when work, workpiece at first enters in the hopper, and go into along the material loading trough roller in the sub-material bayonet socket of sub-material rotating disk, sub-material dial rotation 180 is spent at this moment, this workpiece is transferred to the last hopper of sub-material rotating disk opposite side, and enter automatically on the propelling movement face that is adsorbed on the arc push pedal in the feed well, follow-up workpiece then enters in another sub-material bayonet socket and prepares.Then the arc push pedal upwards is pushed to workpiece and the locating slot junction under the promotion that pushes cylinder, because the effect of draw-in groove, arc push pedal upset is sent into workpiece in the locating slot, arc push pedal this moment makes the travel switch action, the power supply of tripping magnet coil, workpiece is released and is positioned on the bottom surface of locating slot, and an end face of workpiece abuts on the end face of driving shaft coaxially, the workpiece baffle plate can guarantee that then workpiece locatees reliably.Then, push cylinder and drive the arc push pedal and reset, the pinch roller seat is close to locating slot under the promotion of cylinder, and two pinch rollers pass pinch roller via hole on the locating slot sidewall near workpiece, and with Work-sheet pressing on the end face of driving shaft.This moment, driving shaft began high-speed rotation, and rely on frictional force to drive the Work piece high-speed rotation, then form rolling friction between two pinch rollers and the workpiece, meanwhile, the digital control system control bistrique of grinding machine passes the bistrique via hole and enters in the workpiece, and carry out grinding along the septal fossula that moves radially workpiece of workpiece, and the sub-material rotating disk then is sent to a workpiece to be processed in the feed well again, and this workpiece of medical history is adsorbed in the arc push pedal.After finishing Deng grinding, driving shaft stops operating, bistrique and pinch roller seat retreat and reset, again a workpiece to be processed is sent in the locating slot and push cylinder, and push manufactured workpiece, make it squeeze the part baffle plate that goes into operation, the workpiece baffle plate is upset upwards, the workpiece that processes is then got in the gathering-device that blow tank also tumbles automatically with blow tank is connected, the workpiece baffle plate then automatically resets under the gravity effect, the mouth that will lead to blow tank is closed, and avoids the workpiece in the locating slot directly to tumble in the blow tank.Gathering-device can be simple workpiece collecting box, or a transport tape, and transport tape can connect the blow tank of many grinding machines, so as with workpiece transfer to stations such as follow-up detection or packings.Then, pinch roller, bistrique, driving shaft etc. repeat aforesaid action, the septal fossula of second workpiece of beginning grinding.So circulation can be carried and the grinding septal fossula workpiece quickly and efficiently one by one.What need replenish is, push the amount of force of workpiece baffle plate open for the ease of control, we also can be on the workpiece baffle plate arrange vertical screw rod 811 near blow tank one side, leave the gap between this screw rod and the workpiece baffle plate, so that at the screw rod adjusting nut 812 that is threaded.By rotating adjusting nut, can adjust its high and low position on screw rod easily, when adjusting nut rotated, the suspended axle that distance hangs the workpiece baffle plate became far away, thereby increases the workpiece baffle plate from the moment that resets, and made workpiece be difficult for squeezing the part baffle plate that goes into operation; Otherwise, moment is reduced, workpiece is easy to squeeze the part baffle plate that goes into operation.Adjusting nut is adjusted to correct position, both can guarantee that the workpiece baffle plate can stop workpiece reliably, be convenient to workpiece simultaneously and push the workpiece baffle plate open and enter in the blow tank.Be understandable that adjusting nut preferably can adopt two, like this, when adjusting to correct position, can relatively rotate two adjusting nuts, make it to compress mutually, to realize self-locking, avoid adjusting nut because of impact shock at the screw rod superior displacement.

Claims

1. material loading detent mechanism that is used for grinding bearing outer ring septal fossula, comprise the last hopper (1) and the blow tank (3) that are in tilted layout, it is characterized in that, the upside of the low side of the feed well that the low side of last hopper and is in tilted layout (2) is connected, feed well and blow tank constitute herringbone, and the locating slot (4) by a horizontally set between the high-end and blow tank of feed well high-end is connected, feed well is provided with workpiece pusher (5) at an end that is connected with last hopper, the bottom surface of locating slot (41) is a face of cylinder adaptive with excircle of workpiece, one side of locating slot vertically arranges a driving shaft (6) coaxial with the locating slot bottom surface, locating slot is provided with locating hole (42) near respective drive position on the sidewall of driving shaft, described driving shaft head is located in the locating hole, and the end face of driving shaft flushes with this inside surface of side wall; The opposite side of locating slot is provided with transversely movable pinch roller seat (7), be provided with two rotating pinch rollers (71) on the pinch roller seat side by side, the moving direction of pinch roller seat is perpendicular to locating slot, distance between two pinch rollers adapts with the external diameter of workpiece, thereby between two pinch rollers, form the bistrique mobile space, locating slot is provided with bistrique via hole (44) near the sidewall of pinch roller, and is provided with pinch roller via hole (43) in the position of corresponding pinch roller.

2. a kind of material loading detent mechanism for grinding bearing outer ring septal fossula according to claim 1 is characterized in that described pinch roller via hole and bistrique via hole are slot, and the bistrique via hole is arranged on the centre of two pinch roller via holes.

3. a kind of material loading detent mechanism for grinding bearing outer ring septal fossula according to claim 1 is characterized in that the periphery of described pinch roller is the cambered surface of evagination.

4. a kind of material loading detent mechanism for grinding bearing outer ring septal fossula according to claim 1, it is characterized in that, described upward hopper is the rectangular enclosed slot of cross section, last hopper is extending out formation discoidal turned cavities (11) near the feed well place, be provided with circular sub-material rotating disk (12) in the turned cavities rotationally, described sub-material rotating disk is by motor-driven, and at first-class two the sub-material bayonet sockets (121) that are arranged with of its circumference, the sub-material bayonet socket is radially extended by the edge of sub-material rotating disk, the width of sub-material bayonet socket and the external diameter of workpiece are adaptive, and the degree of depth of sub-material bayonet socket equals 1-1.2 times of workpiece external diameter.

5. a kind of material loading detent mechanism for grinding bearing outer ring septal fossula according to claim 1, it is characterized in that, described workpiece pusher comprises that one pushes cylinder (52) and is slidingly arranged in the interior arc push pedal (51) of feed well, arc push pedal one side is and the propelling movement face (511) of the adaptive indent of workpiece external diameter that opposite side is connected with the piston rod that pushes cylinder.

6. a kind of material loading detent mechanism for grinding bearing outer ring septal fossula according to claim 5 is characterized in that, is provided with electromagnet in the described arc push pedal, is provided with the travel switch that can control the electromagnet coil break-make in the described feed well.

7. a kind of material loading detent mechanism for grinding bearing outer ring septal fossula according to claim 6, it is characterized in that, described arc push pedal is rotationally connected by rotating shaft (53) with the piston rod that pushes cylinder, rotating shaft is provided with torsion spring, the arc push pedal is held in the axis hole (512) of rotating shaft and along the circumferential direction is provided with stopper slot (513), corresponding stopper slot place is provided with position-limitting pin (531) in the rotating shaft, feed well is provided with draw-in groove (21) along the bottom surface length direction, and the corresponding draw-in groove in the edge of arc push pedal place is provided with the driving lever (514) that gos deep in the draw-in groove.

8. according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 described a kind of material loading detent mechanisms for grinding bearing outer ring septal fossula, it is characterized in that, the inherent top near blow tank one side of described locating slot is provided with suspended axle (8), be hung with workpiece baffle plate (81) on the suspended axle rotationally, the workpiece baffle plate is being provided with vertical screw rod (811) near blow tank one side, and adjusting nut (812) has been threaded on the screw rod.