CN102489994B - Hub nut assembly equipment - Google Patents
Hub nut assembly equipment Download PDFInfo
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- CN102489994B CN102489994B CN 201110356379 CN201110356379A CN102489994B CN 102489994 B CN102489994 B CN 102489994B CN 201110356379 CN201110356379 CN 201110356379 CN 201110356379 A CN201110356379 A CN 201110356379A CN 102489994 B CN102489994 B CN 102489994B
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- recessed
- denting
- beating
- support
- hub nut
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Abstract
The invention discloses hub nut assembly equipment used for tightening a hub nut and denting the hub nut to be prevented from being loosened. The equipment comprises a frame, a moving base mounted on the frame through a sliding rail and capable of horizontally moving, a supporting clamp mounted on the moving base through a first longitudinal sliding rail and a first longitudinal air cylinder, a tightening gun capable of being horizontally and telescopically mounted on the moving base, and a denting device mounted on the moving base through a second longitudinal sliding rail and a second longitudinal air cylinder and capable of longitudinally moving, wherein the denting device comprises a denting base, two denting arms mounted on the denting base, and denting heads arranged at the front parts of the denting arms; and a tightening sleeve matched with the nut is arranged at the free end of the tightening gun. The equipment is tightened through the high fastening precision tightening gun, and eliminates the occupational health hidden trouble of operators while improving the torque accuracy; and a hydraulic system is used to enable power to be acted on the nut slowly and stably, so that the nut denting quality is ensured, and the overproof noise caused by pneumatic denting is eliminated.
Description
Technical field
The present invention relates to a kind of automobile production streamline assembly equipment, relate in particular to a kind of support platen both sides for streamline and be used for the hub nut of suspension is tightened and nut is made the recessed anti-loose hub nut assembly equipment that returns.
Background technology
At present, many vehicles use nut that back brake disc/hind axle bearing is fastened on the rear suspension, and adopt the mode of beating recessed nut destruction screw thread pair to prevent that nut from returning pine.The explained hereafter modes that adopt aerodynamic wind to pull+decide torque spanner+beche were reached required quality requirements more during then axle nut connected.But because this Tightening moment big (181.3 Nm), equivalence operation intensity surpassed country's muscle power carrying weight limit value benchmark (single 15kg) when the employee carried out the torsion operation.
It is fastening that existing production technology is used pneumatic oil pressure pulse wind to pull nut is carried out, and is fastened to set to use after the moment decide torque spanner nut is carried out the torsion affirmation.Use when decide torque spanner and carrying out the torsion affirmation, the reaction force that torque spanner produces (27kg) acts on employee's arm, and employee's occupational health is brought harm.
Beche is beaten in the recessed process nut, because vibration frequency height, the employee is difficult to assurance time and amplitude, thereby the frequent bump between beche and workpiece has the quality hidden danger that causes the nut fracture, and the level of noise that produces (106dB) also surpasses national operation place health limit value benchmark (85dB), and employee's hearing is caused damage.
Summary of the invention
At the prior art deficiency, the technical problem to be solved in the present invention provides a kind ofly to be avoided occupational health hidden danger and can accurately control and make the hub nut assembly equipment that recessed amount is stopped the nut fracture by the automatic fastening nut of equipment.
In order to overcome the prior art deficiency, the technical solution used in the present invention is: a kind of hub nut assembly equipment, two these hub nut assembly equipments are arranged at the support platen both sides of assembling line for the hub nut of suspension being tightened and nut being beaten the recessed anti-pine that returns, described hub nut assembly equipment comprises support, be installed on the mobile seat that moves horizontally of described support by slide rail, be installed on the support anchor clamps of described mobile seat by first vertical slide rail and first vertical cylinder, but level telescopically is installed on the rifle of tightening of described mobile seat, be installed on the recessed device of beating that described mobile seat can vertically move by second vertical slide rail and second vertical cylinder, described support anchor clamps comprise the support seat that is slidingly connected with described mobile seat, describedly beat recessed device and comprise and play dimple, be installed on described two of playing dimple and beat recessed arm, be located at the recessed head of beating of the front portion of beating recessed arm, the described free end of tightening rifle is provided with nut is complementary and tightens sleeve.
Improvement as such scheme, beat that recessed arm is hinged into tong-like and its jointed shaft is fixedly connected on the described dimple of beating for described two, the front portion that two described beats recessed arm is beaten recessed and is fixedlyed connected with described, describedly beats recessed device and also comprises with the described dimple of beating and fixedly connected and order about two described driving cylinders of playing the mutual opening and closing of afterbody of recessed arm.
Improvement as such scheme, described beat recessed head comprise two respectively with beat the semicylindrical concave volume of beating that recessed arm is fixedlyed connected, one of them is beaten concave volume and offers caulking groove, and described caulking groove is provided with beats recessed tooth, and the described concave teeth part of beating divides protrusion the described inner surface of beating concave volume.
As the improvement of such scheme, described hub nut assembly equipment also comprise be located at described mobile seat side can with the described flexible in the same way trailing arm that is used for the auxiliary described suspension of support of rifle of tightening.
Improvement as such scheme, described trailing arm comprise assistant cylinder, pressure pin, the slip cap of fixedlying connected with the output of described assistant cylinder be located at described pressure pin and be used for the described suspension of pad holder nylon jacket, be sheathed on the spring of described pressure pin, the cylinder body of described assistant cylinder is fixedlyed connected with described support seat, and described spring one end is fixedlyed connected with described pressure pin and the other end and described nylon jacket connect.
As the improvement of such scheme, described mobile seat is provided with rotating auxiliary pressure arm.
As the improvement of such scheme, the outstanding joist that described support anchor clamps comprise and described mobile seat is connected, the rotatable support piece that is connected with the outstanding end of described outstanding joist, described support piece four sides up and down are radian different arc supporting face each other.
As the improvement of such scheme, be provided with the compression spring between described support piece and the described mobile seat.
The invention has the beneficial effects as follows: use and to tighten that rifle is tightened the workpiece nut and moment is judged, automatically enter after qualified and beat recessed step, it is recessed to adopt the recessed head of hydraulic-driven folder that nut is beaten, thereby the production technology that realizes high-quality low noise is with replacement people manual task.This equipment adopts the rifle of tightening of high fastening precision to replace oil pressure pulse wind and pull and decide torque spanner, when both having promoted the moment precision, by arrange counter-force arm with the reaction force acts of rundown process generation on workpiece, cancel job employee occupational health hidden danger; Use the adjustable pressure hydraulic system that power slowly steadily is applied on the nut, guarantee that nut beats recessed quality, eliminate the pneumatic recessed noise that exceeds standard that produces of beating.
Description of drawings
Fig. 1 is the perspective view of a kind of hub nut assembly equipment of the present invention embodiment.
Fig. 2 is the perspective view of beating recessed arm in the embodiment of the invention.
Fig. 3 is the perspective view of beating recessed device in the embodiment of the invention.
Fig. 4 is the perspective view of beating concave volume in the embodiment of the invention.
Fig. 5 is the perspective view of the support piece in the embodiment of the invention.
The specific embodiment
Below embodiments of the present invention are specifically described.
With reference to shown in Figure 1, a kind of hub nut assembly equipment of the present invention, the support platen both sides that two these hub nut assembly equipments are arranged at assembling line are used for the hub nut of suspension tightened and nut beaten recessedly preventing returning pine, and described hub nut assembly equipment comprises support 10, be installed on the mobile seat 12 that moves horizontally of described support 10 by slide rail 11, be installed on the support anchor clamps 20 of described mobile seat 12 by first vertical slide rail 16 and first vertical cylinder 15, what but level telescopically was installed on described mobile seat 12 tightens rifle 18, be installed on the recessed device 30 of beating that described mobile seat 12 can vertically move by second vertical slide rail 22 and second vertical cylinder 23.Also be provided with the described mobile seat of driving cylinder driving between described support 10 and the described mobile seat 12 and do the movement of fore-and-aft direction along slide rail 11, thereby make mobile to drive mobile clamping and the support suspension of being able to of other devices.Thereby first vertical slide rail 16 and first vertical cylinder 15 make up and promote the length travel that the support anchor clamps vertically move the realization suspension, thereby avoid the influence of brace table panel vibration to tighten the precision of operating and beating recessed process suspension and wheel hub picking-up disengaging support platen.The described free end of tightening rifle 18 is provided with nut is complementary and tightens the sleeve (not shown), after two support anchor clamps hold up suspension and wheel hub from both sides, it is telescopically mobile to tighten rifle 18 levels, thereby realizes tightening tightening sleeve and can entangling hub nut and tighten of rifle 18.Described support anchor clamps 20 comprise and the described mobile seat 12 support seats 21 that are slidingly connected.Described beat recessed device 30 comprise play dimple 31, be installed on described two of playing dimple beat recessed arm 32, be located at dozen recessed arm 32 the front portion beat recessed 33.Tighten finish after, tightening rifle retreats, second vertical slide rail 22 and second vertical cylinder 23 order about dozen recessed device 30 and vertically move, make to beat and move to nut location for recessed 33 and further moving forward and entangle nut with playing dimple 31, and binding nut is realized beating recessed under the effect of beating recessed arm 32, makes nut connect and realizes preventing returning pine.
Use tightens that 18 pairs of workpiece nuts of rifle are tightened and moment is judged, enters automatically after qualified and beats recessed step, and it is recessed to adopt the recessed head of hydraulic-driven folder (beating recessed head) that nut is beaten, thereby the production technology that realizes high-quality low noise is with replacement people manual task.This equipment adopts the rifle of tightening of high fastening precision to replace oil pressure pulse wind and pull and decide torque spanner, when both having promoted the moment precision, by arrange counter-force arm with the reaction force acts of rundown process generation on workpiece, cancel job employee occupational health hidden danger; Use the adjustable pressure hydraulic system that power slowly steadily is applied on the nut, guarantee that nut beats recessed quality, eliminate the pneumatic recessed noise that exceeds standard that produces of beating.
More preferably, in conjunction with reference to figure 2, shown in Figure 3, beat that recessed arm 32 is hinged into tong-like and its jointed shaft 44 is fixedly connected on the described dimple 31 of beating for described two, the front portion 36 that two described beats recessed arm 32 is beaten recessed 33 and is fixedlyed connected with described, describedly beats recessed device 30 and also comprises with the described dimple 31 of beating and fixedly connected and order about two described driving cylinders 42 of playing the afterbody 35 mutual opening and closing of recessed arm 32.Driving cylinder 42 orders about the afterbody 35 opening and closing starts of beating recessed arm 32, beat the front portion 36 of recessed arm 32 and also do the opening and closing campaign thereupon, realize beating and draw closure in for recessed 33, make that by hydraulic-driven power beating recessed 33 pairs of nuts beats recessed, thereby control hydraulic pressure and control are beaten recessed amount and are guaranteed to beat recessed accurate, avoid nut to rupture.
More preferably, shown in Figure 4 in conjunction with reference, described beat comprise for recessed 33 two respectively with beat the semicylindrical concave volume 34 of beating that recessed arm 32 is fixedlyed connected, one of them is beaten concave volume 34 and offers caulking groove 38, described caulking groove 38 is provided with beats recessed tooth 39, the described described inner surface of beating concave volume 34 of recessed tooth 39 parts protrusion of beating.Form depression by beating recessed tooth peripheral extruding of nut, destroy screw thread pair and realize preventing returning pine, form firm non-removable fixed connection structure.Beating concave volume 34 other positions protects nut circumference.Also can be directly arrange the caulking groove of beating recessed tooth 39 is installed beating recessed arm, thus saving member.Arrange and to beat recessed 33 and then can change and beat recessed 33, the versatility of raising equipment at the nut of different size.
More preferably, described hub nut assembly equipment also comprise be located at described mobile seat 12 sides can with the described flexible in the same way trailing arm 25 that is used for the auxiliary described suspension of support of rifle 18 of tightening.Trailing arm 25 extends the suspension downside in the action that mobile seat 12 moves into place the back and stretches out forward before picking-up, rise synchronously with support anchor clamps 20, mentions described suspension together.Described support anchor clamps 20 can arrange support seat 21, and trailing arm 25 is fixedlyed connected with support seat 21, thereby trailing arm 25 is synchronous with the support anchor clamps.
More preferably, described trailing arm 25 comprise assistant cylinder (not shown), pressure pin 26, the slip cap of fixedlying connected with the output of described assistant cylinder be located at described pressure pin 26 and be used for the described suspension of pad holder nylon jacket 28, be sheathed on the spring (not shown) of described pressure pin 26, the cylinder body of described assistant cylinder is fixedlyed connected with described support seat 21, and described spring one end is fixedlyed connected with described pressure pin 26 and the other end and described nylon jacket 28 connect.Assistant cylinder promotion trailing arm 25 advances or retreats, and advancing puts in place can assist the described suspension of support.The position of centre of gravity of suspension generally not at the wheel hub line of centres, departs from the wheel hub center usually, can hold up suspension effectively reposefully evenly so complementary trailing arm 25 is set.Nylon jacket 28 is set carries out support, can avoid the pressure pin 26 of rigidity and the suspension direct collision of rigidity, the suspension surface is played a protective role.Nylon jacket 28 is slided sheathed and at its rear side spring is set, and can avoid stretching out the process nylon jacket 28 inclined to one side suspensions in top or scratch the suspension surface, extends the effect of suspension downside with playing buffering.
More preferably, described mobile seat 12 is provided with rotating auxiliary pressure arm.After support anchor clamps 20 and trailing arm 25 holds up suspensions, be threaded to the upside of suspension under the auxiliary pressure arm, with the trailing arm 25 corresponding cantilevers of clamping, prevent from that cantilever from screwing in the process at nut to deflect, guarantee the precision of nut screwing clamping.
More preferably, simultaneously with reference to shown in Figure 5, described support anchor clamps 20 comprise and described mobile seat 12 outstanding joists 50 that are connected, the rotatable support piece 52 that is connected with the outstanding end of described outstanding joist 50, and described support piece 52 four sides up and down is radian different arc supporting face 55 each other.The bearing-surface of four different radians can be adapted to suspension and the wheel hub of four kinds of different sizes of support, and the vehicle that can be fit to four kinds of different sizes is carried out nut screwing clamping and beaten recessed.Arc supporting face 55 has certain thickness, and each arc supporting face 55 is consistent with a kind of radian of suspension brake disc of specification.Therefore, different automobile types added only need switch the support anchor clamps man-hour and get final product to correspondence position, reduce the spare part quantity of anchor clamps and switch man-hour.
More preferably, be provided with compression spring (not shown) between described support piece 52 and the described mobile seat 12.Touch for avoiding between support piece 52 and the suspension rigidity, support piece 52 and mobile seat are set to non-ly be rigidly connected purely, the connected mode that namely has certain flexibility, as support piece 52 being sheathed on outstanding joist 50 and can moving axially along outstanding joist, and between support piece 52 and the mobile seat 12 the compression spring is set, avoid the clamping of rigidity support to the infringement of suspension.Simultaneously, suspension can be carried out the position adjustment after holding up under the spring action of both sides, makes and is convenient to follow-up nut screwing clamping and plays recessed operation in the suspension middle position.
Above disclosed only is the preferred embodiments of the present invention, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to the present patent application claim still belongs to the scope that the present invention is contained.
Claims (6)
1. hub nut assembly equipment, two these hub nut assembly equipments are arranged at the support platen both sides of assembling line for the hub nut of suspension being tightened and nut being beaten the recessed anti-pine that returns, it is characterized in that: described hub nut assembly equipment comprises support, be installed on the mobile seat that moves horizontally of described support by slide rail, be installed on the support anchor clamps of described mobile seat by first vertical slide rail and first vertical cylinder, but level telescopically is installed on the rifle of tightening of described mobile seat, be installed on the recessed device of beating that described mobile seat can vertically move by second vertical slide rail and second vertical cylinder, described support anchor clamps comprise the support seat that is slidingly connected with described mobile seat, describedly beat recessed device and comprise and play dimple, be installed on described two of playing dimple and beat recessed arm, be located at the recessed head of beating of the front portion of beating recessed arm, the described free end of tightening rifle is provided with nut is complementary and tightens sleeve; Beat that recessed arm is hinged into tong-like and its jointed shaft is fixedly connected on the described dimple of beating for described two, the front portion that two described beats recessed arm is beaten recessed and is fixedlyed connected with described, describedly beats recessed device and also comprises with the described dimple of beating and fixedly connected and order about two described driving cylinders of playing the mutual opening and closing of afterbody of recessed arm; Described beat recessed head comprise two respectively with beat the semicylindrical concave volume of beating that recessed arm is fixedlyed connected, one of them is beaten concave volume and offers caulking groove, described caulking groove is provided with beats recessed tooth, the described described inner surface of beating concave volume of concave teeth part branch protrusion of beating.
2. hub nut assembly equipment according to claim 1 is characterized in that: described hub nut assembly equipment also comprise be located at described mobile seat side can with the described flexible in the same way trailing arm that is used for the auxiliary described suspension of support of rifle of tightening.
3. hub nut assembly equipment according to claim 2, it is characterized in that: described trailing arm comprise assistant cylinder, pressure pin, the slip cap of fixedlying connected with the output of described assistant cylinder be located at described pressure pin and be used for the described suspension of pad holder nylon jacket, be sheathed on the spring of described pressure pin, the cylinder body of described assistant cylinder is fixedlyed connected with described support seat, and described spring one end is fixedlyed connected with described pressure pin and the other end and described nylon jacket connect.
4. hub nut assembly equipment according to claim 1 is characterized in that: described mobile seat is provided with rotating auxiliary pressure arm.
5. hub nut assembly equipment according to claim 1, it is characterized in that: described support anchor clamps comprise the outstanding joist that is connected with described support seat, the rotatable support piece that is connected with the outstanding end of described outstanding joist, and described support piece four sides up and down is radian different arc supporting face each other.
6. hub nut assembly equipment according to claim 5 is characterized in that: be provided with the compression spring between described support piece and the described mobile seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110356379 CN102489994B (en) | 2011-11-11 | 2011-11-11 | Hub nut assembly equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110356379 CN102489994B (en) | 2011-11-11 | 2011-11-11 | Hub nut assembly equipment |
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| Publication Number | Publication Date |
|---|---|
| CN102489994A CN102489994A (en) | 2012-06-13 |
| CN102489994B true CN102489994B (en) | 2013-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110356379 Active CN102489994B (en) | 2011-11-11 | 2011-11-11 | Hub nut assembly equipment |
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| CN (1) | CN102489994B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028992A (en) * | 2013-03-08 | 2014-09-10 | 昆山小小恐龙儿童用品有限公司 | Scooter wheel hub nut assembly apparatus |
| CN107020505A (en) * | 2016-01-30 | 2017-08-08 | 张新强 | Pull nut apparatus |
| CN108907696A (en) * | 2018-09-28 | 2018-11-30 | 珠海格力智能装备有限公司 | Nut lock pays mechanism and the nut installation equipment with it |
| CN112388285A (en) * | 2019-08-14 | 2021-02-23 | 黎宇航 | Three-shaft automatic tightening mechanism with controllable torque and adjustable angular position |
| CN110976670B (en) * | 2019-12-26 | 2021-07-30 | 广州协鸿工业机器人技术有限公司 | Dishing device |
| CN111843455B (en) * | 2020-05-12 | 2022-01-04 | 北京可锐特科技有限公司 | Hub nut assembling equipment |
| CN113524120B (en) * | 2021-08-04 | 2022-10-28 | 长春中车轨道车辆有限公司 | CRH5G brake disc reducing bolt assembling platform and assembling process thereof |
| CN114406951A (en) * | 2021-12-28 | 2022-04-29 | 河南沐桐环保产业有限公司 | Quick dismounting device of scraped automobile wheel hub nut |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09239671A (en) * | 1996-03-05 | 1997-09-16 | Toyota Motor Corp | Socket and impact wrench |
| CN101767277B (en) * | 2010-01-28 | 2011-08-17 | 天津丰田合成有限公司 | Automatic fastening device for generator on automotive airbag |
| CN101890635B (en) * | 2010-06-28 | 2012-10-24 | 三一电气有限责任公司 | Bolt tightening machine for connecting slewing bearing and hub |
| CN201792184U (en) * | 2010-08-27 | 2011-04-13 | 湖北新火炬科技股份有限公司 | Anti-loosing formed punch |
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| CN102489994A (en) | 2012-06-13 |
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