CN100534704C - Bearing press-in device and method of use thereof - Google Patents
Bearing press-in device and method of use thereof Download PDFInfo
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- CN100534704C CN100534704C CNB2007100323031A CN200710032303A CN100534704C CN 100534704 C CN100534704 C CN 100534704C CN B2007100323031 A CNB2007100323031 A CN B2007100323031A CN 200710032303 A CN200710032303 A CN 200710032303A CN 100534704 C CN100534704 C CN 100534704C
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Abstract
The invention relates to a bearing pressing-in apparatus, which comprises a body, a driving device, a cylinder guiding bar arranged on the body and an pressing-in apparatus; wherein, the body is provided with a detection device for the depth of the bearing pressing-in apparatus and a detection device for bearing pressing-in force; a vacuum generator which avoids the misplace of the bearing and the vacuum generator is connected with the pressing-in apparatus. The vacuum generator can detect whether the workpiece is loaded in or not, the position is right or not and the pressing-in force of the bearing is in the range or not; in addition, the detection device also can detect whether the bearing pressing-in is positioned properly or not.
Description
Technical field
The present invention relates to a kind of bearing press-in device and using method thereof, be applicable to the assembling work that is pressed into of automobile, motorcycle manufacturing and middle-size and small-size electronic product middle (center) bearing.
Background technology
Traditional bearing is pressed into the general employing of assembling and manually beats or be pressed into by some specific purpose tools, as the involved a kind of portable manual bearing press mounting device of patent 00105556.9, this bearing press mounting device can only guarantee that bearing is pressed into, can not guarantee the accurate degree of depth that bearing is pressed into, can not detect the power that is pressed into of bearing, and when a large amount of bearing of industrial needs is pressed into, generally all on production line, finish press-fiting of bearing automatically, this device just can not guarantee whether anchor clamps clip to workpiece, whether the position of folded workpiece in anchor clamps be correct, and it is pressed into power and can not controls, and finally causes the product percent defective height of producing.
Summary of the invention
The object of the invention is to provide a kind of bearing press-in device, and it installs simple, accurate positioning, and percent defective is low.
Another object of the present invention is to provide a kind of using method of bearing press-in device, its installation steps are simple, accurate positioning, and percent defective is low.
To achieve these goals, bearing press-in device of the present invention, comprise body, driving mechanism, be installed in oil cylinder guide post and pressing parts on the body, described bearing press-in device is equipped with the device for measuring force that bearing compression distance checkout gear and bearing are pressed into power on body, also be provided with and can prevent that the bearing leakage from putting and the wrong vacuum generator of putting, described vacuum generator is connected with pressing parts.Whether vacuum generator can detect the workpiece position of whether packing into and pack into correct, and whether the power that is pressed into of bearing is within scope, and whether checkout gear can detect being pressed into of bearing and put in place.
As improvement, described bearing compression distance checkout gear comprises displacement transducer, sensor stand, tested disk, linear bearing, disk guide rod and back-moving spring, tested disk is installed in disk guide rod upper end, the disk guide rod passes back-moving spring, displacement transducer is installed on the sensor stand, and the disk guide rod passes the endoporus of linear bearing.Can judge whether bearing is in place according to the distance between tested disk and the sensor.
As further improvement, but described screw is installed on the contiguous block of position up-down adjustment, contiguous block is installed on the oil cylinder guide post, and screw is fixed on the guide post by contiguous block, can regulate the requirement with the different fitting depths that satisfy different workpieces up and down.
As further improving, described bearing compression distance checkout gear is installed in the top of the last anchor clamps of pressing parts again, but attachment screw moves and drives the function that tested disk moves.
As further improving, the device for measuring force that described bearing is pressed into power comprises pressure sensor, stress head, goes up lower connecting plate, connecting rod and cushion collar again; Pressure sensor has cushion collar below between last lower connecting plate, cushion collar is connected lower connecting plate with bolt, and stress head directly contacts with sensor.Whether the power that is pressed into that pressure sensor detects workpiece meets the demands.
As further improving again, described pressing parts comprise be used for the clamping bearing last anchor clamps and be used for the lower clamp of clamp axis, do not need manually to participate in the clamping operation, the described last anchor clamps that are used for the clamping bearing are provided with first interface that is connected with vacuum generator, being used for the lower clamp of clamp axis is provided with second interface that is connected with vacuum generator, workpiece contacts with interface, determine having or not of workpiece according to the maintenance situation of vacuum generator vacuum then, realize leakproof and prevented the function that mistake is put.
As further improving again, be provided with first sealing ring in the described last anchor clamps groove that is used for the clamping bearing, be used for being provided with second sealing ring in the lower clamp groove of clamp axis, sealing ring has guaranteed the air-tightness of last lower clamp, and vacuum was not lost efficacy.
As further improving again, be used for being provided with the alignment pin that prevents to occur when axle from placing dislocation in another groove of lower clamp of clamp axis, guarantee that axle and bearing can accurately locate.
As further improving, described oil cylinder guide post is provided with Impactor again, is provided with the move up and down travel switch of scope of anchor clamps in the control in the both sides of Impactor, helps the automatic control of this bearing press-in device.
In order to realize above-mentioned another purpose, the using method of bearing press-in device of the present invention, concrete steps are as follows:
1. the last clamp clamps bearing of pressing parts, the vacuum generator that is connected with last anchor clamps keeps vacuum state to represent that bearing correctly sandwiches, the lower clamp of pressing parts is clamped axle, simultaneously with after alignment pin correctly cooperates, the vacuum generator maintenance vacuum state that is connected with lower clamp is represented a correctly placement;
2. behind the equal clamping finished piece(s) of last lower clamp, the lower clamp holding position is motionless, and last anchor clamps are pressed into axle with bearing under the driving of hydraulic drive mechanism; In the process that is pressed into, can detect whether bearing is pressed into place and whether meet the demands by checkout gear by the power that is pressed into that device for measuring force detects workpiece; When bearing be pressed into put in place after, checkout gear sends signal, hydraulic drive mechanism stop motion and backhaul for the hydraulic pressure driving mechanism.
Compared with prior art, pressing machine of the present invention has holding workpiece automatically, and the leakage that can prevent workpiece is put with mistake and put, and can also detect being pressed into of bearing simultaneously and whether put the advantage that the bearing position error is little in place.
Description of drawings
Fig. 1 is pressed into preceding front view for the bearing of bearing press-in device of the present invention;
Fig. 2 is the front view after the bearing of bearing press-in device of the present invention is pressed into;
Fig. 3 is the partial enlarged drawing of bearing compression distance checkout gear of the present invention;
Fig. 4 is the partial enlarged drawing of the pressing parts of bearing press-in device of the present invention;
Fig. 5 is the partial enlarged drawing of bearing press-in device device for measuring force of the present invention.
The specific embodiment
The present invention is further described below in conjunction with drawings and Examples.
Please refer to Fig. 1 to shown in Figure 5, bearing press-in device of the present invention, can be used to bearing 16 is pressed in the axle 15, comprise body 1, the hydraulic drive mechanism (not shown), be installed in oil cylinder guide post 12 on the body, be used for detecting the bearing compression distance bearing compression distance checkout gear 4, detect bearing and be pressed into device for measuring force, the vacuum generator (not shown) of power and the pressing parts that bearing 16 is pressed into.
Wherein, described pressing parts comprises anchor clamps 3 and lower clamp 2, driving mechanism moves up and down anchor clamps 3 by drive link 23, bearing 16 is pressed in the axle 15, describedly go up anchor clamps 3 and lower clamp 2 is connected with vacuum generator respectively, whether described vacuum generator can detect the workpiece position of whether packing into and pack into correct.Described upward anchor clamps 3 and lower clamp 2 are equipped with groove, the groove medial surface of last anchor clamps 3 is provided with first sealing ring 18, be provided with first interface 17 that is used for being connected with vacuum generator in the side of last anchor clamps, the groove medial surface of lower clamp 2 is provided with second sealing ring 21, be provided with second interface 22 that is used for being connected with vacuum generator in the side of lower clamp, described sealing ring has guaranteed the air-tightness of last lower clamp, and vacuum was not lost efficacy.In addition, in lower clamp 2 grooves, also be provided with the alignment pin 19 that occurs dislocation when preventing axle 15 placements.
Described bearing compression distance checkout gear 4 comprises displacement transducer 6, tested disk 7, linear bearing 10, sensor stand 8, disk guide rod 11 and back-moving spring 9; Wherein, tested disk 7 is installed in disk guide rod 11 upper ends, disk guide rod 11 passes the endoporus of back-moving spring 9 and linear bearing 10, and displacement transducer 6 is installed on the sensor stand 8, can judge whether bearing 16 is in place according to the distance between tested disk 7 and the sensor 6.
Described device for measuring force is by sensor 24, upper junction plate 29, and lower connecting plate 26, cushion collar 27, stress head 25 and connecting rod 28 are formed.Upper junction plate 29 and lower connecting plate 26 usefulness connecting rods 28 fuse, and pressure sensor 24 has cushion collar 27 below the pressure sensor 24 between last lower connecting plate, and cushion collar 27 usefulness bolts are connected lower connecting plate 26; Bearing anchor clamps 14 usefulness bolts are connected the lower connecting plate 26 of pressure-detecting device, and pressure sensor 24 can feed back the pressurized signal, and detecting instrument detects the variation of the power that is pressed in the bearing process of press in, and whether the power that is pressed into that is used for detecting workpiece meets the demands.
The implementation process of bearing press-in device of the present invention is as follows: go up anchor clamps 3 and clamp bearing 16, bearing 16 is positioned at the groove of anchor clamps 3, the vacuum generator and the bearing 16 that are connected on first interface 17 are had an effect, by first interface 17 with bearing 16 automatic holdings in groove, and can determine having or not of bearing 16 according to the maintenance situation of vacuum, realized the function of leakproof, for being pressed into of bearing 16 ready, the mechanism of lower clamp 2 is identical with last anchor clamps 3, first sealing ring 18 and second sealing ring 21 have guaranteed the air-tightness of last lower clamp, vacuum was not lost efficacy, when axle 15 is placed on lower clamp 2, alignment pin 19 can prevent from dislocation to occur when axle 15 from placing, and plays the effect of location mistake proofing.Behind the equal clamping finished piece(s) of last lower clamp, lower clamp 2 holding positions are motionless, and last anchor clamps 3 are pressed into axle 15 with bearing 16 under the driving of hydraulic drive mechanism.In the process that is pressed into, whether be pressed into place in order to detect bearing, the contiguous block 13 drive screws 5 that are installed on the oil cylinder guide post 12 move with last anchor clamps 3 together, contiguous block 13 can be regulated the requirement with the different fitting depths that satisfy different workpieces up and down, tested disk 7 also moves thereupon under the drive of screw 5, whether the distance that displacement transducer 6 moves according to tested disk 7 detects bearing 16 and is pressed into and puts in place, during the oil cylinder backhaul, back-moving spring 9 returns back to original position with tested disk 7, tested disk 7 is fixed on the disk guide rod 11, disk guide rod 11 moves up and down by linear bearing 10, the existence of linear bearing 10 makes disk guide rod 11 move up and down and has obtained less radial missing smoothly simultaneously again, thereby guarantee the accuracy of sensor 6 measured numerical value, its precision that detects compression distance can reach 0.5 μ m, has guaranteed that bearing is pressed into the accuracy in the axle.Pressing parts be pressed into the backhaul process in, when being installed in collision block 32 on the oil cylinder guide post 12 and contacting with the travel switch 31 that is positioned at collision block 32 two ends, last anchor clamps 3 are with regard to stop motion.Like this, just can control the scope that moves up and down of anchor clamps 3, help the operation of this bearing pressing parts.In addition, when bearing was pressed into, oil cylinder was to pressing down, and pressure sensor 24 is subjected to a downward power, and pressure sensor 24 is stressed back to the detecting instrument feedback pressure signal, detecting instrument output pressure curve.Pressure curve can reflect the gap between shaft and the bearing.
Claims (10)
1, a kind of bearing press-in device, comprise body, driving mechanism, be installed in oil cylinder guide post and pressing parts on the body, it is characterized in that: described bearing press-in device is equipped with the device for measuring force that bearing compression distance checkout gear and bearing are pressed into power on body, also be provided with and can prevent that the bearing leakage from putting and the wrong vacuum generator of putting, described vacuum generator is connected with pressing parts; Described pressing parts comprise be used for the clamping bearing last anchor clamps and be used for the lower clamp of clamp axis.
2, bearing press-in device as claimed in claim 1, it is characterized in that: described bearing compression distance checkout gear comprises displacement transducer, sensor stand, tested disk, linear bearing, disk guide rod and back-moving spring, tested disk is installed in disk guide rod upper end, the disk guide rod passes back-moving spring, displacement transducer is installed on the sensor stand, the disk guide rod passes the endoporus of linear bearing, and described displacement transducer judges according to the distance between tested disk and the sensor whether bearing is in place.
3, bearing press-in device as claimed in claim 2 is characterized in that: on the described oil cylinder guide post contiguous block is installed, on the described contiguous block screw is installed.
4, bearing press-in device as claimed in claim 3 is characterized in that: described checkout gear is installed in the top of the last anchor clamps of pressing parts.
5, bearing press-in device as claimed in claim 4 is characterized in that: the device for measuring force that described bearing is pressed into power comprises pressure sensor, stress head, upper junction plate, lower connecting plate, connecting rod and cushion collar; Pressure sensor is provided with cushion collar below between last lower connecting plate, cushion collar is connected lower connecting plate with bolt, and stress head directly contacts with sensor.
6, bearing press-in device as claimed in claim 5 is characterized in that: the described last anchor clamps that are used for the clamping bearing are provided with first interface that is connected with vacuum generator, are used for the lower clamp of clamp axis to be provided with second interface that is connected with vacuum generator.
7, bearing press-in device as claimed in claim 6 is characterized in that: go up anchor clamps and lower clamp and be equipped with groove, be provided with first sealing ring in the described last anchor clamps groove that is used for the clamping bearing, be used for being provided with second sealing ring in the lower clamp groove of clamp axis.
8, bearing press-in device as claimed in claim 7 is characterized in that: be used for being provided with the alignment pin that prevents to occur when axle from placing dislocation in another groove of lower clamp of clamp axis.
9, bearing press-in device as claimed in claim 8 is characterized in that: described oil cylinder guide post is provided with Impactor, is provided with the move up and down travel switch of scope of anchor clamps in the control in the both sides of Impactor.
10, a kind of using method of bearing press-in device, it is characterized in that: concrete steps are as follows:
(1) the last clamp clamps bearing of pressing parts, the vacuum generator that is connected with last anchor clamps keeps vacuum state to represent that bearing correctly sandwiches, the lower clamp of pressing parts is clamped axle, simultaneously with after alignment pin correctly cooperates, the vacuum generator maintenance vacuum state that is connected with lower clamp is represented a correctly placement to axle;
(2) behind the equal clamping finished piece(s) of last lower clamp, the lower clamp holding position is motionless, and last anchor clamps are pressed into axle with bearing under the driving of hydraulic drive mechanism; In the process that is pressed into, can detect whether bearing is pressed into place and whether meet the demands by checkout gear by the power that is pressed into that device for measuring force detects workpiece; When bearing be pressed into put in place after, checkout gear sends signal, hydraulic drive mechanism stop motion and backhaul for the hydraulic pressure driving mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100323031A CN100534704C (en) | 2007-12-10 | 2007-12-10 | Bearing press-in device and method of use thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100323031A CN100534704C (en) | 2007-12-10 | 2007-12-10 | Bearing press-in device and method of use thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101176967A CN101176967A (en) | 2008-05-14 |
| CN100534704C true CN100534704C (en) | 2009-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2007100323031A Active CN100534704C (en) | 2007-12-10 | 2007-12-10 | Bearing press-in device and method of use thereof |
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- 2007-12-10 CN CNB2007100323031A patent/CN100534704C/en active Active
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