CN203862872U - Automatic nut edge locking and riveting machine - Google Patents

Automatic nut edge locking and riveting machine Download PDF

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Publication number
CN203862872U
CN203862872U CN201420236028.0U CN201420236028U CN203862872U CN 203862872 U CN203862872 U CN 203862872U CN 201420236028 U CN201420236028 U CN 201420236028U CN 203862872 U CN203862872 U CN 203862872U
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CN
China
Prior art keywords
nut
riveting
locking
main body
lock
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201420236028.0U
Other languages
Chinese (zh)
Inventor
裴照明
于昕
邓爱雄
王洪兵
罗应梅
王德鹏
罗晓亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongfeng Dana Axle Co Ltd
Original Assignee
Dongfeng Dana Axle Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dongfeng Dana Axle Co Ltd filed Critical Dongfeng Dana Axle Co Ltd
Priority to CN201420236028.0U priority Critical patent/CN203862872U/en
Application granted granted Critical
Publication of CN203862872U publication Critical patent/CN203862872U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

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Abstract

The utility model discloses an automatic nut edge locking and riveting machine which is used for axle assembly large torque edge nut locking and riveting looseness prevention. A piston rod of a gas-liquid pressurizing mechanism is connected with a pull rod; a pull pin rod is arranged on the pull rod, and penetrates into a chute of a locking and riveting cutter head; the axial line of the chute and the axial line of the pull rod form a certain angle; a nut is positioned in the positioning device. According to the utility model, a pulling force generated by the gas-liquid pressurizing mechanism is exerted on the pull rod, so that the locking and riveting cutter head can move by winding the pull pin rod, the nut edge is subjected to plastic deformation due to automatic pressurization, and the locking and riveting functions on the nut can be realized; a detecting element is triggered through a detecting rod, so that deformation on the edge locking and riveting point of the nut by the locking and riveting cutter head can be controlled. According to the utility model, deformation of the locking and riveting point can be accurately controlled, the phenomenon that the locking and riveting point of the edge of the nut is cracked as the deformation is increased can be effectively avoided, so that the nut edge of the locking and riveting point can achieve ideal locking and riveting effects, the fastening and anti-loose functions of the nut by the locking and riveting point are ensured, and the manufacturing cost is low.

Description

Nut shirt rim automatic locking riveter
Technical field
The utility model relates to machinery manufacturing technology field, specifically a kind of for the shirt rim of shirt rim nut being carried out to the device of automatic locking riveting.
Background technology
It is fastening that the counterpart of automotive axle assembly adopts screw bolt and nut to carry out mostly.But in service at car load, getting loose of bolt and nut is difficult for being found in time, and the phenomenon that caused vehicle can not normally travel is commonplace, brings larger economic loss and negative social influence to automotive axle producer.
At present, the nut anti-looseness of automotive axle assembly generally adopts spring shim, is coated with the mode of fastening glue, still; for the nut of high pulling torque; be coated with the locking measure of fastening glue except having adopted, conventionally also will be out of shape lock riveting to the shirt rim of nut, to improve the de-reliability of high pulling torque nut anti-looseness.But, due to the reasons in structure of nut shirt rim, be all to adopt the mode of manually rushing riveting conventionally, riveting is locked in the shirt rim of nut.This operating type, can not effectively ensure to lock the uniformity that nut shirt rim, riveting position is out of shape, and even, in the process of lock riveting, because manual operation is firmly uneven, partial nut shirt rim cracking, causes locking riveting point and cannot reach due anti-loosing effect.
Summary of the invention
For solving the artificial deficiency to nut lock riveting in prior art, goal of the invention of the present utility model is to provide a kind of nut shirt rim automatic locking riveter, adopt nut shirt rim lock riveting point Self-pressurizing agri, make it produce plastic deformation, and by the deflection of detecting element control lock riveting point, thereby make the nut shirt rim of locking riveting point reach desirable lock riveting effect, to ensure the quality bills of materials of axle assembly, reduce production costs.
For achieving the above object, the piston rod of gas-liquid pressure-boosting of the present utility model mechanism is connected with pull bar, on pull bar, with drawing pin rod, draws pin rod to penetrate in the chute of lock riveting cutter head, the axis of chute becomes the angle of 18 degree to 20 degree with the axis of pull bar, nut is positioned in positioner.
Under the oil cylinder of described gas-liquid pressure-boosting mechanism, adpting flange is connected with the main body base plate of main body, and automatically controlled button is contained on the annular hand grip of main body.
Described just positioning sleeve band porose one and hole two, the middle part seamed edge of nut is just positioned in hole one, and the outer round surface of the Kong Eryu main body of first positioning sleeve coordinates to be installed; Detachable location-plate is connected with the lower end installing hole of main body (14), positioning reed inserts in the groove of location-plate, be screwed, positioning reed falls in the keyway of the spindle nose coordinating with nut, the shirt rim, top of nut is accurately positioned in the endoporus of location-plate, and location-plate is accurately located the lock riveting point of nut.
Feeler and detection trigger element for controlling the nut lock riveting point lock riveting degree of depth are housed in described main body, and detecting element is proximity sensor.
The pulling force that the hydraulic cylinder of the utility model gas-liquid pressure-boosting mechanism produces acts on pull bar, makes to lock riveting cutter head around drawing pin rod motion, and Self-pressurizing agri makes nut shirt rim produce plastic deformation, realizes the lock riveting function to nut; And by feeler detection trigger element, control the deflection of lock riveting cutter head to nut shirt rim lock riveting point.
The utility model compared with prior art, has the following advantages:
1, the utility model can accurately be controlled the deflection of lock riveting point, can effectively avoid the increase because of deflection, the phenomenon that causes nut shirt rim lock riveting point to break, also avoided because of lock riveting point deformation quantity not sufficient, cause nut insecure phenomenon that locks, thereby make the nut shirt rim of locking riveting point reach desirable lock riveting effect, ensured that lock riveting point is to fastening nuts locking functions.
2, can make the position of the relative lock of each lock riveting point riveting groove accurate, make the deflection of nut shirt rim lock riveting consistent.
3, the effectively workmanship of lifting car axle assembly and the competitiveness of product, reduces manufacturing cost.
Brief description of the drawings
Fig. 1 is structural representation sketch of the present utility model.
Fig. 2 is the structural representation sketch of the positioner of Fig. 1.
Fig. 3 is the structural representation sketch of the first positioning sleeve of Fig. 1.
Fig. 4 is the side view of Fig. 3.
Fig. 5 is the structural representation sketch of the location-plate of Fig. 1.
Fig. 6 is the side view of Fig. 5.
Fig. 7 is the structural representation sketch of the positioning reed of Fig. 1.
Fig. 8 is the side view of Fig. 7.
Fig. 9 is the local simplified schematic diagram of agent structure in Fig. 1.
Detailed description of the invention
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, under the oil cylinder of the utility model gas-liquid pressure-boosting mechanism 1, adpting flange 2 is connected with the main body base plate 15 of main body 14, automatically controlled button 10 is contained on the annular hand grip 20 of main body 14, and main body 14 is connected with slide rail by connector.The piston rod 3 of gas-liquid pressure-boosting mechanism 1 is connected with pull bar 4, on pull bar 4 with drawing pin rod 5, draw pin rod 5 to penetrate in the chute of lock riveting cutter head 6, the axis of chute becomes the angle of 18 degree to 20 degree with the axis of pull bar 4, nut 13 is positioned in positioner, the utility model is the source of the gas by 0.6Mpa, adopt the principle of gas-liquid pressure-boosting, the pulling force that produces about 100KN at the hydraulic cylinder of gas-liquid pressure-boosting mechanism 1 acts on pull bar 4, make to lock riveting cutter head 6 around drawing pin rod 5 to move, the shirt rim lock riveting of nut 13 is entered in the lock riveting groove of axle assembly.The first positioning sleeve 8 of described positioner be with porose 1 with hole 2 18, the middle part seamed edge of nut 13 is just positioned in hole 1, the hole 2 18 of first positioning sleeve 8 coordinates installation with the outer round surface of main body 14; The detachable polygon outer rim of location-plate 9 and the lower end installing hole 19 of main body 14 are connected, positioning reed 16 inserts in the groove of location-plate 9, be screwed, positioning reed 16 falls in the keyway of the spindle nose coordinating with nut 13, the shirt rim, top of nut 13 is accurately positioned in the endoporus of location-plate 9, and location-plate 9 is accurately located the lock riveting point of nut 13, and location-plate 9 can be changed according to the specification of nut 13, improve the compatibility of lock riveter lock riveting nut, can meet the demand of multi-assortment production conversion.Feeler 12 and detection trigger element 11 are housed in main body 14, the lock riveting degree of depth of nut 13 being locked to riveting point for controlling lock riveting cutter head 6, detecting element 11 is proximity sensor; By adjusting the distance between feeler 12 and detecting element 11, just can control lock riveting cutter head 6 the is locked riveting point lock riveting degree of depth to nut 13; When after the approaching also detection trigger element 11 of feeler 12, detecting element 11 is connected, make the air-powered electromagnetic valve events of gas-liquid pressure-boosting mechanism 1, stop in gas-liquid pressure-boosting mechanism 1, inflating and discharging the gas having filled in gas-liquid pressure-boosting mechanism 1, gas-liquid pressure-boosting mechanism 1 stops drag lock riveting cutter head 6 and returns to original position, drives lock riveting cutter head 6 to return to original position simultaneously; When strengthen between feeler 12 and detecting element 11 distance time, strengthen the lock riveting degree of depth of lock riveting cutter head 6 to nut lock riveting point, otherwise reduced to lock riveting cutter head 6 the is locked riveting point lock riveting degree of depth to nut 13.
When lock riveting operation, first by first positioning sleeve 8, make nut 13 on lock riveter, carry out just location.The handle 20 of rotation lock riveter main body 14, the accurate location of realizing lock riveter and nut 13 by the positioning reed 16 on location-plate 9, now, lock riveting cutter head 6 is locked riveting point keyway with nut 13 and is aligned.Start start key on automatically controlled button 10, the piston rod 3 of gas-liquid pressure-boosting mechanism 1 pulls pull bar 4 to move upward, and pull bar 4 drives and draws pin rod 5 to move in the chute of lock riveting cutter head 6, at this moment, lock riveting cutter head 6, around drawing pin rod 5 to rotate, is realized the shirt rim lock riveting of lock riveter to nut 13.
The utility model is locked the automatic control of the riveting point lock riveting degree of depth to nut 13 by feeler 12 detection trigger elements 11 realization lock riveting cutter heads 6.For different kinds, regulate the displacement of feeler 12 relative detecting elements 11, realize the adjusting of the lock riveting point deformation amount degree of depth.
Operate rising, decline button in automatically controlled button 10, realize the control that moves up and down to lock riveter.
Operation process of the present utility model:
1, operate the decline button on automatically controlled button 10, make to lock riveter and touch nut 13, and make nut 13 pre-determined bit on lock riveter by first positioning sleeve 8.
2, the handle 20 of rotation lock riveter, falls in the keyway of the spindle nose coordinating with nut 13 positioning reed 16 of location-plate 9, realizes the accurate location before lock riveting.
3, operate the start button on automatically controlled button 10, the lock riveting cutter head 6 of lock riveter is locked riveting to the shirt rim of nut 13.
4, by feeler 12 detection trigger elements 11, stop inflating and discharge to gas-liquid pressure-boosting mechanism 1 gas having filled, the lock riveting cutter head 6 of lock riveter returns to original position automatically.Adjust the distance between feeler 12 and detecting element 11, just can control lock riveting cutter head 6 the is locked riveting point lock riveting degree of depth to nut 13, when strengthen between feeler 12 and detecting element 11 distance time, just strengthen lock riveting cutter head 6 and nut 13 has been locked to the lock riveting degree of depth of riveting point, otherwise reduced lock riveting cutter head 6 the is locked riveting point lock riveting degree of depth to nut 13; Feeler 12 on rotating main body 14, can conveniently carry out up-down adjustment to feeler 12.
5, operate the rising button on automatically controlled button 10, under the drive of gas-liquid pressure-boosting mechanism 1, lock riveter upwards rises and departs from nut 13, completes the mechanical lock riveting to nut 13.

Claims (4)

1. a nut shirt rim automatic locking riveter, it is characterized in that: the piston rod (3) of gas-liquid pressure-boosting mechanism (1) is connected with pull bar (4), pull bar (4) is upper with drawing pin rod (5), draw pin rod (5) to penetrate in the chute of lock riveting cutter head (6), the axis of chute becomes the angle of 18 degree to 20 degree with the axis of pull bar (4), nut (13) is positioned in positioner.
2. nut according to claim 1 shirt rim automatic locking riveter, it is characterized in that: under the oil cylinder of described gas-liquid pressure-boosting mechanism (1), adpting flange (2) is connected with the main body base plate (15) of main body (14), and automatically controlled button (10) is contained on the annular hand grip (20) of main body (14).
3. nut according to claim 1 shirt rim automatic locking riveter, it is characterized in that: first positioning sleeve (8) be with porose one (17) with hole two (18), the middle part seamed edge of nut (13) is just positioned in hole one (17), and the hole two (18) of first positioning sleeve (8) coordinates installation with the outer round surface of main body (14); Detachable location-plate (9) is connected with the lower end installing hole (19) of main body (14), positioning reed (16) inserts in the groove of location-plate (9), be screwed, positioning reed (16) falls in the keyway of the spindle nose coordinating with nut (13), the shirt rim, top of nut (13) is accurately positioned in the endoporus of location-plate (9), and location-plate (9) is accurately located the lock riveting point of nut (13).
4. nut according to claim 2 shirt rim automatic locking riveter, it is characterized in that: feeler (12) and detection trigger element (11) for controlling nut (13) the lock riveting point lock riveting degree of depth are housed in described main body (14), and detecting element (11) is proximity sensor.
CN201420236028.0U 2014-05-09 2014-05-09 Automatic nut edge locking and riveting machine Withdrawn - After Issue CN203862872U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420236028.0U CN203862872U (en) 2014-05-09 2014-05-09 Automatic nut edge locking and riveting machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420236028.0U CN203862872U (en) 2014-05-09 2014-05-09 Automatic nut edge locking and riveting machine

Publications (1)

Publication Number Publication Date
CN203862872U true CN203862872U (en) 2014-10-08

Family

ID=51643862

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420236028.0U Withdrawn - After Issue CN203862872U (en) 2014-05-09 2014-05-09 Automatic nut edge locking and riveting machine

Country Status (1)

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CN (1) CN203862872U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105081110A (en) * 2014-05-09 2015-11-25 东风德纳车桥有限公司 Automatic nut skirt locking and riveting machine
CN106584087A (en) * 2016-12-21 2017-04-26 博世华域转向系统有限公司 Integrated screwing and riveting mechanism for steering engine adjusting nut and application method of integrated screwing and riveting mechanism

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105081110A (en) * 2014-05-09 2015-11-25 东风德纳车桥有限公司 Automatic nut skirt locking and riveting machine
CN105081110B (en) * 2014-05-09 2018-05-18 东风德纳车桥有限公司 Automatically riveter is locked in nut shirt rim
CN106584087A (en) * 2016-12-21 2017-04-26 博世华域转向系统有限公司 Integrated screwing and riveting mechanism for steering engine adjusting nut and application method of integrated screwing and riveting mechanism

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20141008

Effective date of abandoning: 20180518