CN201060100Y

CN201060100Y - Bearings dust-proof cover testing apparatus

Info

Publication number: CN201060100Y
Application number: CNU2007201098712U
Authority: CN
Inventors: 李鹏程; 黄津
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-05-26
Filing date: 2007-05-26
Publication date: 2008-05-14
Anticipated expiration: 2017-05-26

Abstract

The utility model relates to a detecting device for a bearing dustproof cover to detect the tightness degree between the dustproof cover and the dustproof trough of inner and outer sleeve rings. The utility model is composed of a display machine which is composed of a force measuring sensor, an upper detecting module and a force measuring sensor controlling instrument and fixed on a worktable upright bracket; a measuring mechanism which is connected with a lifting gas cylinder and is arranged on the worktable and a rotating mechanism which is connected with the measuring mechanism. The measuring mechanism is composed of a lower detecting module which is connected on a core shaft and an upper detecting module which is fixed on the force measuring sensor. The rotating mechanism is composed of a rack which is connected on a rotating gas cylinder and a gear which is connected on the core shaft, and the rack and the gear joggle with each other. The lifting gas cylinder and the rotating gas cylinder are connected on the bracket of the worktable. The original manual sampling detection depends on the feeling of hands and the mastered experience with large measuring error, inaccuracy and instable quality, and the product quality can not be guaranteed. The automatic detecting device of the utility model can detect the tightness degree between the dustproof cover and the dustproof trough of inner and outer sleeve rings, and 100 percent of detection can be realized. The working efficiency is improved and the quality of closed type bearing products is improved and stabilized.

Description

The bearing dustproof cover pick-up unit

Technical field

The utility model relates to a kind of bearing detecting device, and use, bearing dustproof cover pick-up unit are detected to prevent dust tightness between the groove of dust cap and inner and outer ring in particularly a kind of closed bearing assembling back that is used for.

Background technology

It is one of requisite one Quality Detection operation in the closed bearing assembling process that the bearing dustproof cover degree of tightness detects, country and industry standard are arranged, but because the machining precision of the dustproof groove of bearing is poor, bearing is in assembling suffered influence that pressure is irregular and other multiple accumulation factor causes during dust cap, dust cap be can occur after the bearing assembling and pine or tension phenomenon crossed, so all can have a strong impact on the serviceable life of bearing, but present most Production of bearing producer carries out the artificial sampling inspection, to tiltedly firmly stab with the screwdriver of little opening by hand facing to the spring crimping of the iron dust cap of bearing, with sensation of setting about and experience applied thrust, observing dust cap was pine or tension, the complete quality of feeling to judge it with hand, and the size of each one sensation and thrust is all different, therefore measuring error is quite big, and none quantitative criterion is big again because of being manual inspection Production of bearing batch, so manual inspection can only be sampling check, so also can't guarantee the quality of each closed bearing.

Patent No. CN02114016.2 " bearing inner diameter antomatic detecting and sorting device for railway vehicle " and number of patent application CN200410052691.6 " Full Automatic Bearing Dustproof Trough Diameter Measuring Machine ", the pick-up unit in the dustproof notch of bearing bore diameter and bearing footpath when only providing a kind of detection and also being unkitted dust cap.

Summary of the invention

Technical problem to be solved in the utility model is: a kind of bearing dustproof cover pick-up unit is provided, bearing dustproof cover is carried out the detection of tightness, be full-automatic 100% detection, and accuracy height, error are little, thereby have guaranteed the reliability and stability of this index of closed bearing.

The technical scheme in the invention for solving the above technical problem is: the bearing dustproof cover pick-up unit, by force cell respectively with last detection mould, the indication mechanism that the force cell control instrument connects and composes is fixed on the column support on the worktable, and be installed in the measuring mechanism that is connected with lift cylinder on the worktable and form, also include the rotating mechanism that is connected with measuring mechanism, described measuring mechanism detects mould by fixing going up on the following detection mould that connects on the mandrel and the force cell and cooperates and constitute, described rotating mechanism is made of the gearing mesh that is connected on the tooth bar and the mandrel that are connected on the rotary cylinder, and lift cylinder, rotary cylinder is connected on the support of worktable.

Compared with prior art, advantage of the present utility model is: be manual sampling Detection originally, the sensation of armrest and experience are grasped, therefore measuring error is big, inaccurate, quality is unstable, inefficiency, can not guarantee product quality, now adopt automatic detection device to detect tightness between the dustproof groove of dust cap and inner and outer ring, can accomplish 100% detection, increase work efficiency greatly again, both improved the closed bearing product quality, make its steady quality again, thereby, guarantee that product quality provides reliable measures for closed bearing is up to state standards.

Description of drawings

Fig. 1, structural representation of the present utility model.

The right view of Fig. 2, Fig. 1.

Fig. 3, upper and lower detection mould and closed bearing structure enlarged drawing (iron dust cap).

Fig. 4, upper and lower detection mould and closed bearing structure enlarged drawing (rubber dust cap).

Embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is further described:

Upper surface one side of worktable 13 is fixed with column support 11, lower surface side in addition has been screwed support 14, be embedded with a guide pin bushing 12 on the worktable 13, also be fixed with force cell control instrument 10 and force cell 9 on the column support 11, fixedly make mandrel 4 upper and lower mobile lift cylinders 1 at support 14 lower surfaces, support 14 side surfaces fixedly make the rotary cylinder 15 of mandrel 4 rotations.

One end of rotary cylinder 15 is fixedly connected with tooth bar 3, and the air pressure regulator 16 of control torque magnitude is connected with rotary cylinder 15 by flexible pipe.

Gear 2 and tooth bar 3 engagements are installed on the mandrel 4, one end of lift cylinder 1 and the lower end of mandrel 4 link into an integrated entity, lift cylinder 1 drives mandrel 4 and moves up and down in guide pin bushing 12, rotary cylinder 15 drives tooth bar 3 and rotates with gear 2 engagements and driven gear 2, thereby rotates by the mandrel 4 that gear driven fuses with it.

Last detection mould 8,8 ' be fixed on the lower end of force cell 9 by the through hole on it with screw, following detection mould 5,5 ' the be installed in top of mandrel 4.

Because of closed bearing has two kinds of dust caps, a kind of iron, a kind of rubber system, spring crimping breach 18 is arranged on the periphery of iron dust cap 7, at last detection mould 8, detect to be evenly equipped with on the upper and lower edge of mould 5 and detect pin 17 down, determine to detect what of pin according to the size of bearing, and rubber dust cap 7 ' go up detect mould 8 ', detect mould 5 ' edge down and do not have this and detect pin.

During use, different model according to bearing, going up that the specification selection is complementary detects mould 8, under detect mould 5, the closed bearing of automatic transport being come to have assembled by worktable 13, the bearing to be measured 6 of iron dust cap 7 is delivered to down and is detected on mould 5 stations, at this moment lift cylinder 1 moves up, lifting down the bearing to be measured 6 that detects on the mould 5 by mandrel 4 moves up it, when bearing 6 to be measured contacts with last detection mould 8, rotary cylinder 15 work, make and 2 rotations of its meshed gears by tooth bar 3, driving mandrel 4 simultaneously rotates, the following detection mould 5 that is installed on the mandrel is also rotated synchronously, be that the thrust that applies of rotary cylinder is through tooth bar, the effect of gear changes into torsion and sends down detection mould 5 to, at this moment mandrel can rotate under two cylinder actions, can go up again, move down, detecting mould down delivers to the detection pin 17 on it in 6 times dust cap springs of bearing to be measured crimping breach 18, because bearing to be measured 6 rotations are also delivered on the bearing to be measured in the dust cap spring crimping breach detection pin 17, on, following dust cap is under certain twisting force, the force cell 9 of this torsion by being connected with last detection mould 8, be reflected on the force cell control instrument 10, the effect of instrument is the analog signals that sensor 9 is exported to be changed into torsion signal be presented on the instrument face plate, and with the torque value that presets relatively, analysis and judgement goes out bearing dustproof cover to be measured and crosses pine or tension, provide, the lower limit output valve, Deng detect finish after, lift cylinder 1 moves down, make mandrel, under detect mould 5 and move down after, will survey measured bearing 6 and put down.

If detection rubber dust cap 7 ' bearing 6 to be measured ', at this moment lift cylinder 1 rises, by under detect mould 5 ' head on bearing 6 to be measured ' move up, when touching, bearing detects 8 ' time of mould, rotary cylinder 15 work, drive detection mould 5 ' rotation down by tooth bar, gearing, last detection mould 8 ', down detect mould 5 ' and bearing dustproof cover to be measured 7 ' between friction, and overcome the friction required power be sent to force cell control instrument 10 by force cell 9, numerical value is found out the tightness between dust cap and inner and outer ring from table, and all the other processes are with above-mentioned.

This pick-up unit can detect the dust cap that any leakage adds and when adding a cover dust cap do not put the dust cap that is just damaging by pressure, realized automatic 100% the omnibearing Quality Detection in dust cap assembling back, measurement is accurate, error is little, increases work efficiency greatly, has guaranteed the quality of bearing products.

This device can be made into an equipment separately and use, also this device can be installed on the automatic press device of bearing dustproof cover, after dust cap presses, bearing to be measured is input to down detect on the die worker position at once and measures, can reduce a lot of intermediate links, equipment volume is little, and cost is lower, efficient is higher.

Claims

1. bearing dustproof cover pick-up unit, by force cell (9) and last detection mould (8,8 '), the indication mechanism that force cell control instrument (10) connects and composes is fixed on the column support (11) on the worktable (13), and be installed in worktable (13) and go up the measuring mechanism be connected with lift cylinder (1) and form, it is characterized in that also including the rotating mechanism that is connected with measuring mechanism, described measuring mechanism is gone up the following detection mould (5 that connects by mandrel (4), 5 ') go up fixing upward detection mould (8 with force cell (9), 8 ') the cooperation formation, described rotating mechanism is made of gear (2) engagement that is connected on the tooth bar (3) and the mandrel (4) that are connected on the rotary cylinder (15), and lift cylinder (1), rotary cylinder (15) is connected on the support (14) of worktable.

2. bearing dustproof cover pick-up unit according to claim 1 is characterized in that rotary cylinder (15) also is connected with air pressure regulator (16) by flexible pipe.

3. bearing dustproof cover pick-up unit according to claim 1 is characterized in that detecting mould (8), detects to be evenly equipped with on the upper and lower edge of mould (5) and detect pin (17) down, on detect mould (8 '), detect mould (5 ') down and go up and do not have the pin (17) of detection.

4. bearing dustproof cover pick-up unit according to claim 1 is characterized in that the lower end of mandrel (4) is connected with lift cylinder (1), and the top of mandrel (4) is equipped with down detects mould (5 or 5 ').

5. bearing dustproof cover pick-up unit according to claim 1 is characterized in that being embedded with on the worktable (13) guide pin bushing (12), and mandrel (4) is upper and lower moving in guide groove (12).