CN205660180U - High accuracy rises and tightly installs - Google Patents

High accuracy rises and tightly installs Download PDF

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Publication number
CN205660180U
CN205660180U CN201620582074.5U CN201620582074U CN205660180U CN 205660180 U CN205660180 U CN 205660180U CN 201620582074 U CN201620582074 U CN 201620582074U CN 205660180 U CN205660180 U CN 205660180U
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CN
China
Prior art keywords
contact
motor
accuracy
swelling
wheel hub
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Withdrawn - After Issue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
CN201620582074.5U
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Chinese (zh)
Inventor
周瑞晓
于志远
刘鸣华
刘会莹
刘伟东
罗凤宝
李登尧
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Citic Dicastal Co Ltd
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Citic Dicastal Co Ltd
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Priority to CN201620582074.5U priority Critical patent/CN205660180U/en
Application granted granted Critical
Publication of CN205660180U publication Critical patent/CN205660180U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The utility model provides a high accuracy rises and tightly installs, high accuracy rises and tightly installs by step motor (2 6 ), encoder (2 5 ), the harmonic speed reducer ware (2 7 ), carousel (2 2 ), connecting rod (2 3 ), contact (2 4 ), force transducer (2 12 ), the carousel connecting piece (2 8 ), gasket (2 10 ), nut (2 9 ), bolt (2 14 ), holding screw (2 13 ), shell (2 1 )And end cover (2 11 )Constitute. The tight device that rises can realize tensioning force's closed -loop control for improve its tight precision that rises. As long as its processing assembly error satisfies the designing requirement, just can guarantee that three contact rises tightly steadily in step, improve wheel hub's positioning accuracy. The utility model discloses a simple slider -crank mechanism realizes the simultaneous movement of three contact, adopts general components and parts to realize tensioning force's closed -loop control moreover, and it adjusts the precision can reach very high degree, is enough to satisfy the requirement to current wheel hub's machining precision.

Description

A kind of high accuracy swelling device
Technical field
This utility model relates to a kind of swelling device, specifically in aluminium alloy wheel hub of vehicle machining process, uses High accuracy swelling device in tensioner wheel hub centre bore.
Background technology
In automotive hub machining process, need with the centre bore of swelling device clamping wheel hub.Processing due to wheel hub Required precision is higher, and this has good precision with regard to inevitable requirement swelling device.
On the one hand, wheel hub, in the course of processing, needs swelling device can provide stable expanding force.If expanding force is less than During certain numerical value, wheel hub can not well be clamped, and is likely to occur loosening in the course of processing, will have a strong impact on wheel hub from this Crudy;If expanding force is more than certain numerical value, wheel hub will occur elastic deformation even plastic deformation, directly affect wheel hub Dimensional accuracy.And if expanding force is relatively big in the course of processing, after processing, when swelling device unclamps, there is stress in wheel hub Release phenomenon, affects its machining accuracy again.
On the other hand, typically there is multiple contact due to swelling device, for ensureing the machining accuracy of wheel hub, be necessary for requiring this Several contacts have good synchronicity.If several contacts can not act simultaneously on wheelboss inner hole, then wheel hub may be caused to incline Tiltedly so that final processing dimension is overproof.
In view of above-mentioned both sides demand, it is badly in need of developing a kind of high-precision swelling device, to meet higher the adding of wheel hub Work required precision.
Utility model content
The purpose of this utility model is to provide a kind of high accuracy swelling device for wheel hub machining process.
To achieve these goals, the technical solution of the utility model is: a kind of novel swelling device, processes base from wheel hub The endoporus of seat and wheel hub passes, and is fixed on pedestal.Mainly by motor, encoder, harmonic speed reducer, rotating disk, connecting rod, touches Head, force transducer, connector of rotary disk, pad, nut, bolt, holding screw, shell and end cap composition.Motor rear end is even Being connected to encoder, outfan then connects has harmonic speed reducer, harmonic speed reducer to be bolted in the internal structure of shell, Its output shaft is then connected with connector of rotary disk by holding screw.Rotating disk is threaded connection with connector of rotary disk, and with padding Sheet fastens with nut.Outward flange at rotating disk is evenly equipped with three protruding eccentric shafts, and eccentric shaft connects connecting rod, connecting rod Other end be then connected on contact projection little axle on.Contact is arranged in the circular hole of shell, only along the axle of circular hole To movement.So, the circular hole on rotating disk, connecting rod, contact and shell just constitutes a typical slider-crank mechanism.Work as motor When driving harmonic speed reducer to rotate, connecting rod just can move along a straight line by band moving contact, and the linear motion of contact can be complete Become tensioner and unclamp the action in hub centre hole.
At an aspect of the present utility model, it is provided that a kind of high accuracy swelling device, described high accuracy swelling device By motor (2-6), encoder (2-5), harmonic speed reducer (2-7), rotating disk (2-2), connecting rod (2-3), contact (2-4), power Sensor (2-12), connector of rotary disk (2-8), pad (2-10), nut (2-9), bolt (2-14), holding screw (2-13), Shell (2-1) and end cap (2-11) composition, it is characterised in that: motor (2-6) rear end connects encoder (2-5), output End then connects harmonic speed reducer (2-7);Harmonic speed reducer (2-7) is fixed on the inside of shell (2-1) by bolt (2-14) In structure, its output shaft is then connected with connector of rotary disk (2-8) by holding screw (2-13);Rotating disk (2-2) is connected with rotating disk Part (2-8) is threaded connection, and fastens with nut (2-9) with pad (2-10);Equal at the outward flange of rotating disk (2-2) Being furnished with three protruding eccentric shafts, eccentric shaft connects has connecting rod (2-3), the other end of connecting rod (2-3) to be then connected to contact (2-4) on upper protruding little axle;Contact (2-4) is arranged in the circular hole of shell (2-1), is set to the axial shifting only along circular hole Dynamic, so, the circular hole on rotating disk (2-2), connecting rod (2-3), contact (2-4) and shell (2-1) just constitutes slider-crank mechanism; When motor (2-6) drives harmonic speed reducer (2-7) to rotate, connecting rod (2-3) carries out straight line with regard to band moving contact (2-4) Motion, and contact (2-4) is set to its action having moved along a straight line tensioner and having unclamped wheel hub (4) endoporus;And at contact (2- 4) being provided with force transducer (2-12) in, rising between contact (2-4) and wheel hub (4) endoporus measured in real time by force transducer (2-12) The size of clamp force, and real-time Transmission is to the controller of motor (2-6), and once expanding force can allow beyond wheel hub (4) Scope, just control motor (2-6) rotate be adjusted.
At the preferred aspect of this utility model, described contact (2-4) has three and is driven by same rotating disk (2-2) Dynamic.
At the preferred aspect of this utility model, the step angle of motor is less than or equal to 0.9 °.
At the preferred aspect of this utility model, the step angle of motor passes through encoder (2-5) and harmonic speed reducer (2- 7) segmentation.
Swelling device described in the utility model can realize the closed loop control of expanding force, in order to improve its tensioner precision. Specifically: in contact, be provided with force transducer, the expanding force between contact and hub centre hole measured in real time by force transducer Size, and real-time Transmission is to the controller of motor.The scope that once expanding force can allow beyond wheel hub, just controls electricity Machine rotates and is adjusted.The step angle of motor can as little as 0.9 ° even lower, be finely divided by encoder the most again, The motor anglec of rotation can also be significantly segmented, it is thereby achieved that the least angle rotates finally by harmonic speed reducer.This Sample, it is possible to realized the high accuracy expanding force regulatory function of contact by the minor rotation controlling motor.It addition, this reality With novel described swelling device only one of which prime mover, three contacts are all driven by same rotating disk.Therefore, if its Process and assemble error meets design requirement, it is possible to ensures that three contacts stably synchronize tensioner, improves the positioning precision of wheel hub. This utility model uses simple slider-crank mechanism to realize being synchronized with the movement of three contacts, and uses general components and parts Achieving the closed loop control of expanding force, its degree of regulation can reach the highest degree, it is sufficient to meets the processing to existing wheel hub The requirement of precision.
Accompanying drawing explanation
Hereinafter, embodiment of the present utility model is described in detail in conjunction with accompanying drawing, wherein:
Fig. 1 is the scheme of installation of a kind of high accuracy swelling device described in the utility model.
Fig. 2 show the A-A of a kind of high accuracy swelling device described in the utility model to sectional view.
Fig. 3 show when link centerline moves to contact axis B-B time parallel to sectional view.
In figure, 1: pedestal, 2: swelling device in high precision, 3: wheel hub processing pedestal, 4: wheel hub, A: swelling device in high precision First section view direction, 2-1: shell, 2-2: rotating disk, 2-3: connecting rod, 2-4: contact, B:B-B: the second of swelling device is cutd open in high precision Apparent direction, A-A: the first sectional plane of swelling device in high precision, 2-5: encoder, 2-6: motor, 2-7: harmonic speed reducer, 2-8: connector of rotary disk, 2-9: nut, 2-10: pad, 2-11: end cap, 2-12: force transducer, 2-13: holding screw, 2-14: Bolt, B-B: the second sectional plane of swelling device in high precision.
Detailed description of the invention
Embodiment 1
Below in conjunction with the accompanying drawings, details and the working condition of the device that foundation the utility model proposes are described in detail.
The present embodiment proposes a kind of novel tension mechanism, and it is installed as it is shown in figure 1, high accuracy described in the utility model rises Tight device 2 passes from the endoporus of wheel hub processing pedestal 3 and wheel hub 4, is fixed on pedestal 1.Mainly by motor 2-6, coding Device 2-5, harmonic speed reducer 2-7, rotating disk 2-2, connecting rod 2-3, contact 2-4, force transducer 2-12, connector of rotary disk 2-8, pad 2- 10, nut 2-9, bolt 2-14, holding screw 2-13, shell 2-1 and end cap 2-11 composition.Motor 2-6 rear end connects to be had Encoder 2-5, outfan then connects harmonic speed reducer 2-7, and harmonic speed reducer 2-7 is fixed on shell 2-1 by bolt 2-14 Internal structure on, its output shaft is then connected with connector of rotary disk 2-8 by holding screw 2-13.Rotating disk 2-2 is connected with rotating disk Part 2-8 is threaded connection, and fastens with nut 2-9 with pad 2-10.Outward flange at rotating disk 2-2 is evenly equipped with three Protruding eccentric shaft, eccentric shaft connects and has connecting rod 2-3, the other end of connecting rod 2-3 to be then connected on contact 2-4 the little of projection On axle.Contact 2-4 is arranged in the circular hole of shell 2-1, moving axially only along circular hole.So, rotating disk 2-2, connecting rod 2- 3, the circular hole on contact 2-4 and shell 2-1 just constitutes a typical slider-crank mechanism.When motor 2-6 drives humorous When ripple decelerator 2-7 rotates, connecting rod 2-3 just can move along a straight line by band moving contact 2-4, and the linear motion of contact 2-4 Tensioner can be completed and unclamp the action of wheel hub 4 endoporus.
Swelling device described in the present embodiment can realize the closed loop control of expanding force, in order to improve its tensioner precision.Tool Body technique scheme is: is provided with force transducer 2-12, force transducer 2-12 in contact 2-4 and measures contact 2-4 and wheel hub 4 in real time The size of the expanding force between endoporus, and real-time Transmission is to the controller of motor 2-6.Once expanding force exceeds wheel hub 4 The scope that can allow, just controls motor 2-6 rotation and is adjusted.The step angle of motor can as little as 0.9 ° even Lower, it is finely divided by encoder 2-5 the most again, can also significantly segment motor finally by harmonic speed reducer 2-7 The anglec of rotation of 2-6, it is thereby achieved that the least angle rotates.In this manner it is possible to by controlling the micro-of motor 2-6 Little rotation realizes the high accuracy expanding force regulatory function of contact 2-4.
It addition, the swelling device only one of which prime mover described in the present embodiment, three contact 2-4 are by same rotating disk 2-2 drives, therefore, as long as its process and assemble error meets design requirement, it is possible to ensure certain synchronicity, improve wheel hub The machining accuracy of 4.
The present embodiment uses simple slider-crank mechanism to achieve three contact 2-4 and is synchronized with the movement, and uses general Components and parts achieve the closed loop control of expanding force, its degree of regulation can be made the highest as required, it is sufficient to meets existing wheel The requirement on machining accuracy of hub.

Claims (4)

1. a high accuracy swelling device, described high accuracy swelling device is by motor (2-6), encoder (2-5), harmonic wave Decelerator (2-7), rotating disk (2-2), connecting rod (2-3), contact (2-4), force transducer (2-12), connector of rotary disk (2-8), pad (2-10), nut (2-9), bolt (2-14), holding screw (2-13), shell (2-1) and end cap (2-11) composition, its feature exists In: motor (2-6) rear end connects encoder (2-5), and outfan then connects harmonic speed reducer (2-7);Harmonic reduction Device (2-7) is fixed in the internal structure of shell (2-1) by bolt (2-14), and its output shaft is then by holding screw (2-13) It is connected with connector of rotary disk (2-8);Rotating disk (2-2) is threaded connection with connector of rotary disk (2-8), and with pad (2-10) Fasten with nut (2-9);Outward flange at rotating disk (2-2) is evenly equipped with three protruding eccentric shafts, and eccentric shaft connects to be had Connecting rod (2-3), the other end of connecting rod (2-3) is then connected on the upper protruding little axle of contact (2-4);Contact (2-4) is arranged on In the circular hole of shell (2-1), it is set to moving axially only along circular hole, so, rotating disk (2-2), connecting rod (2-3), contact (2- 4) circular hole and on shell (2-1) just constitutes slider-crank mechanism;When motor (2-6) drives harmonic speed reducer (2-7) When rotating, connecting rod (2-3) moves along a straight line with regard to band moving contact (2-4), and contact (2-4) is set to it and has moved along a straight line Become tensioner and unclamp the action of wheel hub (4) endoporus;And force transducer (2-12), force transducer are installed in contact (2-4) (2-12) measure the size of expanding force between contact (2-4) and wheel hub (4) endoporus in real time, and real-time Transmission is to motor (2-6) controller, the scope that once expanding force can allow beyond wheel hub (4), just control motor (2-6) rotation and carry out Regulation.
High accuracy swelling device the most according to claim 1, it is characterised in that described contact (2-4) have three and Driven by same rotating disk (2-2).
High accuracy swelling device the most according to claim 1, it is characterised in that the step angle of motor is less than or equal to 0.9°。
High accuracy swelling device the most according to claim 3, it is characterised in that the step angle of motor passes through encoder (2-5) segment with harmonic speed reducer (2-7).
CN201620582074.5U 2016-06-15 2016-06-15 High accuracy rises and tightly installs Withdrawn - After Issue CN205660180U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620582074.5U CN205660180U (en) 2016-06-15 2016-06-15 High accuracy rises and tightly installs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620582074.5U CN205660180U (en) 2016-06-15 2016-06-15 High accuracy rises and tightly installs

Publications (1)

Publication Number Publication Date
CN205660180U true CN205660180U (en) 2016-10-26

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Family Applications (1)

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CN201620582074.5U Withdrawn - After Issue CN205660180U (en) 2016-06-15 2016-06-15 High accuracy rises and tightly installs

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105880659A (en) * 2016-06-15 2016-08-24 中信戴卡股份有限公司 High-precision tensioning device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105880659A (en) * 2016-06-15 2016-08-24 中信戴卡股份有限公司 High-precision tensioning device
US10730159B2 (en) 2016-06-15 2020-08-04 Citic Dicastal Co., Ltd. High-precision tensioning device

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

Granted publication date: 20161026

Effective date of abandoning: 20180306

AV01 Patent right actively abandoned