CN207344078U - A kind of crank-drive mechanism and the running-in machine with the crank-drive mechanism - Google Patents
A kind of crank-drive mechanism and the running-in machine with the crank-drive mechanism Download PDFInfo
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- CN207344078U CN207344078U CN201721387707.8U CN201721387707U CN207344078U CN 207344078 U CN207344078 U CN 207344078U CN 201721387707 U CN201721387707 U CN 201721387707U CN 207344078 U CN207344078 U CN 207344078U
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- drive mechanism
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- camshaft
- bearing
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Abstract
The utility model discloses a kind of crank-drive mechanism and with the crank-drive mechanism running-in machine；The crank-drive mechanism includes the cam being connected in rotation axis, and rotation axis is vertically arranged；Crank-drive mechanism includes mounting body and double angular contact bearing components, and for the camshaft of cam by double angular contact bearing modular supports in mounting body, camshaft is connected the slide body of running-in machine slide block mechanism with rotation axis connection mounting body by connecting rod；The running-in machine of the utility model is acted using crank-drive mechanism driving slide block mechanism, a wherein slide for automotive seat is fixed on slide block mechanism, and then realize the opposite slip using crank-drive mechanism driving automobile slide rail, and the camshaft of the cam of crank-drive mechanism is by double angular contact bearing modular supports in mounting body, the eccentric force that double angular contact bearing components can be produced with equilibrium cam, slow down cam motion eccentric power significantly influences and significantly improves the slip efficiency of slide on the output shaft of camshaft and servomotor.
Description
Technical field
The present invention relates to the break-in technical field of sliding rail of automobile seat, more particularly to a kind of running-in machine and with the crank drive
The running-in machine of motivation structure.
Background technology
Sliding rail of automobile seat is one of important building block of automobile, its main function is realize automotive seat front and rear
Adjust.Sliding rail of automobile seat mainly includes outer rail and internal rail, and wherein outer rail is installed on car floor, and internal rail is installed on seat
On, the adjusting of automotive seat is realized using opposite slip therebetween, so that passenger obtains relatively comfortable state.
There is certain standard for the sliding force between outer rail and internal rail in vehicle.Outer rail and internal rail are machining
Into afterwards, sliding force therebetween is typically that cannot meet vehicle use demand, the two needs the mill by certain number
Conjunction could meet automobile use demand.
The break-in work of outer rail and internal rail is usually completed on special running-in machine.Usually outer rail is fixed in the prior art
In on the workbench of running-in machine, reciprocatingly slided using driving part driving internal rail with respect to outer rail, so as to fulfill the friction of the two.
As automotive seat is produced in enormous quantities and the raising that requires sliding rail assembly sliding force of user, internal rail and outer rail rub
Quality and friction efficiency are wiped, becomes the problem of those skilled in that art increasingly pay close attention to.
The content of the invention
The present invention provides a kind of crank-drive mechanism of running-in machine, including the cam being connected in rotation axis, the rotation
Axis is vertically arranged；The crank-drive mechanism includes mounting body and double angular contact bearing components, the camshaft of the cam
By double angular contact bearing modular supports in the mounting body, the camshaft and the rotation axis connection, the peace
Dress main body is additionally provided with coordinates fixed mounting structure with the rack of running-in machine；The mounting body connects running-in machine by connecting rod
The slide body of slide block mechanism.
Optionally, the centroid position of the cam, weight and shape are according to the sliding block for being connected to the mounting body rear end
The weight of mechanism, the rotating speed of the rotation axis and dynamic balance principle determine.
Optionally, the cam is provided with mounting hole, is symmetrically arranged with keyway in the mounting hole, the camshaft it is upper
End connects the keyway by corresponding bond structure, and the shaft part that the camshaft is located on the outside of the mounting hole has ring-type
Flange, the cam support are fixed on the collar flange.
Optionally, double angular contact bearing components include bearing holder (housing, cover), from top to bottom, are set gradually inside the bearing holder (housing, cover)
There are first pair of angular contact bearing, positioning sleeve and second pair of angular contact bearing, the bearing holder (housing, cover) to be fixed on the mounting body.
Optionally, the both ends of the surface of the bearing holder (housing, cover) are respectively fixed with the first snap ring and the second snap ring, are respectively used to spacing institute
State the first snap ring and second snap ring described in first pair of angular contact bearing and second pair of angular contact bearing be set in it is described
The periphery of camshaft.
Optionally, locking nut is additionally provided with the camshaft, the locking nut is arranged at the outer of the bearing holder (housing, cover)
Portion, for limiting the lower position of second pair of angular contact bearing.
Optionally, the cam driving gear specifically includes servomotor, and the rotation axis is defeated for the servomotor
Shaft, the output shaft of the servomotor connect the camshaft by shaft coupling, and the housing of the servomotor is installed on institute
State mounting body.
Optionally, the rack of the running-in machine includes workbench, and through hole, the mounting body are provided with the workbench
The lower surface of the workbench is installed on, the through hole of output shaft through the workbench of the servomotor is connected positioned at described
The cam above workbench.
Optionally, sensor is additionally provided with the mounting body, tablet, the sensing are installed on the camshaft
Device coordinates the control origin position for determining the servomotor with the tablet.
Optionally, the cam includes big end and small end, and the small end is provided with connecting hole, in the connecting hole
Portion is provided with connecting pole, and deep groove ball bearing is provided with connecting pole, and one end of connecting rod passes through described in deep groove ball bearing connection
Connecting pole.
Optionally, the connecting hole is stepped hole, from top to bottom including two sections：Major diameter section and path section, the major diameter section
Step surface is formed with the path section, the connecting pole includes bearing construction section, flange sections and construction section from top to bottom, described convex
Rim segment is placed in inside the path section against the step surface, the construction section.
Optionally, the baffle ring for positioning the deep groove ball bearing lower position is additionally provided with the connecting pole.
In addition, present invention also offers a kind of running-in machine, including rack, be provided with the rack slide block mechanism and on
State any one of them crank-drive mechanism.
The running-in machine of the present invention is acted using crank-drive mechanism driving slide block mechanism, and a wherein slide for automotive seat is consolidated
Due on slide block mechanism, and then realize the opposite slip using crank-drive mechanism driving automobile slide rail, and crank driving machine
For the camshaft of the cam of structure by double angular contact bearing modular supports in mounting body, double angular contact bearing components can be with stabilizer tab
The eccentric force produced is taken turns, slow down cam motion eccentric power significantly influences the output shaft of camshaft and servomotor and significantly
Improve the slip efficiency of slide.
Brief description of the drawings
Fig. 1 is the partial structural diagram of running-in machine in an embodiment of the present invention；
Fig. 2 is the structure diagram of slide block mechanism in an embodiment of the present invention；
Fig. 3 is the exploded perspective view of slide block mechanism in an embodiment of the present invention；
Fig. 4 is the structure diagram of connecting rod in Fig. 2；
Fig. 5 is the structure diagram of bearing in Fig. 2；
Fig. 6 is the structure diagram of bearing other direction in Fig. 2；
Fig. 7 is the sectional view of connecting rod and slide body link position in a kind of specific embodiment of the present invention；
Fig. 8 is the structure diagram of crank-drive mechanism in a kind of specific embodiment of the present invention；
Fig. 9 is the explosive view of Fig. 8；
Figure 10 is the schematic cross-sectional view of camshaft link position in Fig. 8；
Figure 11 is the structure diagram of cam in a kind of specific embodiment of the present invention；
Figure 12 is the structure diagram of camshaft in a kind of specific embodiment of the present invention.
Wherein, Fig. 1 is into Figure 12：
Rack 1；Guide rail installing plate 11；Guide rail 1a；
Crank-drive mechanism 2；Mounting body 20；Cam 21；Camshaft 231；Servomotor 22；Connecting pole 23；First pair
Angular contact bearing 241；Second pair of angular contact bearing 242；Bearing holder (housing, cover) 243；Positioning sleeve 244；Deep groove ball bearing 25；Baffle ring 251；The
One snap ring 261；Second snap ring 262；Locking nut 263；Baffle ring 264；Sensor 27；Shaft coupling 28；Retarder 29；
Slide block mechanism 3；Slide body 31；Slide 3a；Slide positioning element 32；Connecting rod 33；Lightening hole 33a；Connecting hole
331；Connecting hole 332；Bearing 34；Transverse slat 341, riser 342, L-type leg 343, fixture block 344, lightening hole 34a；Connect column 35；
Z-type part 36；First cross wall 361；Second cross wall 363；Wall 362；Fixed pin 37；Bearing 38；First collar 391；Second collar
392。
Embodiment
The working method and structure of existing rapid seating machine are had made intensive studies herein, research is found：Will be outer
Rail is fixed, in the mode that reciprocatingly slides of driving internal rail, because internal rail is installed on the inside of outer rail, in order in sliding process, with internal rail
The transmission parts of connection are not interfered with outer rail, and transmission parts are only capable of the end of connection internal rail.That is, the driving of driving part
Power puts on the wherein one end of internal rail by transmission parts.
Find herein, transmission parts are located at the point of application of internal rail the end of internal rail, and internal rail is subject to torque larger, is sliding
During be easy to cause shake, seriously affected the frictional qualities between internal rail and outer rail.
On the basis of the studies above discovery, this paper presents a kind of rapid seating machine with higher frictional qualities.
It is below in conjunction with the accompanying drawings and specific real in order to make those skilled in the art more fully understand technical scheme
Applying example, the present invention is described in further detail.
Please refer to Fig.1 to Figure 12, Fig. 1 is the partial structural diagram of running-in machine in an embodiment of the present invention；Fig. 2 is this
Invent a kind of structure diagram of slide block mechanism in embodiment；Fig. 3 is that the explosion of slide block mechanism in an embodiment of the present invention is shown
It is intended to；Fig. 4 is the structure diagram of connecting rod in Fig. 2；Fig. 5 is the structure diagram of bearing in Fig. 2；Fig. 6 is that bearing is another in Fig. 2
The structure diagram in direction；Fig. 7 is the sectional view of connecting rod and slide body link position in a kind of specific embodiment of the present invention；Figure
8 be the structure diagram of crank-drive mechanism in a kind of specific embodiment of the present invention；Fig. 9 is the explosive view of Fig. 8；Figure 10 is Fig. 8
The schematic cross-sectional view of middle camshaft link position；Figure 11 is the structure diagram of cam in a kind of specific embodiment of the present invention；Figure
12 be the structure diagram of camshaft in a kind of specific embodiment of the present invention.
The present invention provides a kind of running-in machine for sliding rail of automobile seat break-in, it includes rack 1, crank-drive mechanism
2 and slide block mechanism 3.
Wherein, rack 1 is fixed in ground or other supporting tables, it is main to act as providing mounting platform and right
Each parts being mounted thereon are played a supporting role.Rack 1 is provided with workbench, and usual workbench is horizontally disposed.As long as
It can realize the support to parts and installation requirements, the structure of rack 1 can flexibly set, be not specifically limited herein.
Crank-drive mechanism 2 in the present invention includes the cam 21 being connected in rotation axis, and rotation axis is vertically arranged, also
It is to say, cam 21 can be rotated with rotation axis in the horizontal plane.Rotation axis provides power for the rotation of cam 21.Crank driving machine
Structure 2 can include servomotor 22, and servomotor 22 can realize at a high speed and be accurately controlled that rotation axis can be servomotor
22 output shaft.
For the ease of installation, crank-drive mechanism 2 can be pre-assembled as an entirety, then by the integral installation after assembling
In in rack 1.Therefore, crank-drive mechanism 2 can include mounting body 20, and mounting body 20 is in crank-drive mechanism 2
Other parts provide installation foundation, and the installation knot for coordinating fixation with the rack of running-in machine 1 is provided with mounting body 20
Structure.The parts of crank-drive mechanism 2 can be pre-assembled with mounting body 20, and then mounting body 20, which refills, is assigned to rack
On 1.
Certainly, each parts can also complete assembling in rack 1 in crank-drive mechanism 2, and being not limited to above-mentioned prepackage is
One overall mode.
Slide block mechanism 3 in the present invention includes slide body 31, and bottom and the rack 1 of slide body 31 are slidably matched, sliding
Seat body 31 is equipped with slide positioning element 32, the external slide rail for positioning chair slide.In general, on external slide rail preprocessing have with
Vehicle frame coordinates the fixed structure of installation, and in order to reduce the processing of structure on external slide rail of seat to the greatest extent, slide positioning element 32 can be with
Coordinate with the fixed structure and install.That is, the knot for coordinating installation with the fixed structure is machined with slide positioning element 32
Structure.
Slide block mechanism 3 can also include connecting rod 33, and the end of slide body 31 connects cam 21 by connecting rod 33, so as to
Under the rotary action of cam 21, slide body 31 reciprocatingly slides with respect to rack 1.I.e. slide body 31 is slidably supported in rack 1.
When rapid seating machine works, the rotation axis driving cam 21 in crank-drive mechanism 2 rotates, and cam 21 passes through connecting rod
33 drive slider bodies are slided with respect to rack 1, and then the external slide rail of slide body 31 is positioned at by slide positioning element 32
Relatively-stationary interior slide linear slide back and forth.
Compared with slide slides in driving in the prior art, pass through slide positioning element in running-in machine provided by the present invention
32 are positioned at external slide rail on slide body 31, and the relatively interior slide of driving external slide rail moves back and forth, because interior slide is matched with outer cunning
Inside rail, therefore slide positioning element 32 can be connected to the outer wall any position of external slide rail, be not limited to end, can be connected to outer
The positions such as the outer wall middle part of slide, and connection area is accordingly bigger, and such crank-drive mechanism 2 is applied by slide body 31
The sliding force being added on external slide rail can also avoid external slide rail from bearing moment of torsion, improve the cunning of external slide rail close to the middle part of external slide rail
Dynamic stationarity, improves external slide rail and interior slide breaking-in quality therebetween.
Excessive introduction is not done herein for the fixed form of interior slide, does not limit the fixed form of interior slide, and without prejudice to
Understanding and implementation of the those skilled in that art to this paper technical solutions.
The design principle of slide block mechanism 3 is in the present invention：In the case where meeting normal break-in requirement, the weight of slide block mechanism 3
It is light enough.
In a kind of embodiment, slide body 31 can be slab construction, in the strength and stiffness that satisfaction uses
On the premise of, the weight of slab construction can be as far as possible light, and in a kind of specifically used environment, the thickness of slab construction can be substantially
For 8mm-10mm, the lightening hole of multiple ovals can be increased in slab construction.
The both ends of the lower surface of above-mentioned slab construction are both provided with the slide 3a of both ends Longitudinal extending, the upper table of rack 1
Face is fixed with longitudinal rail 1a, longitudinal rail 1a and each slide 3a and coordinates slip.The slide in slab construction is set in the present invention
Segmented version, rather than conitnuous forms are set to, main is also to consider on the premise of Stable sliding is realized, reduces the weight of slab construction
Amount.
Wherein longitudinal rail 1a can be installed in guide rail mounting base 11, and guide rail mounting base 11 is installed in rack.
Specifically, slide block mechanism 3 can also include bearing 34, and bearing 34 includes the transverse slat 341 for forming right-angle structure and stands
Plate 342, the both ends of transverse slat 341 have the L-type leg 343 to bend inwards, the bottom surface of two L-type legs 343 and the following table of riser 342
Face is collectively forming supporting surface to be fixed on the upper surface of slide body 31.That is, lower surface of the bearing 34 by riser, L
The bending side of type leg 343 contacts fixation with slide body 31, can improve the reliability of the positioning of bearing 34.Specifically, bearing
34 can be fixed on slide body 31 by way of screw adds clamping, such as screw is arranged on the bending side of L-type leg 343
On, fixture block 344 is additionally provided with the bending side of L-type leg, the card connected and fixed with fixture block 344 is provided with slide body 31
Groove.Certainly, bearing 34 can also be fixed on slide body 31 by spot welding mode.
In order to reduce the weight of slide block mechanism 3 as far as possible, riser, L-type leg vertical plane on can be both provided with multiple subtract
Repeated hole.Similarly, connecting rod 33, be respectively arranged with lightening hole 33a, lightening hole 34a on bearing 34.
Servomotor 22 rotates faster, it is higher to connected system motion stability requirement.Especially there is connection
Two components between relation, connection between two components whether reliability, be related to the stability and break-in efficiency of whole system.
It is introduced below a kind of reliable and stable to be by taking the rotating speed of camshaft is 500r/min as an example in a kind of specific break-in mode
System.
One end of slide body 31 is provided with mounting hole, and connection column 35 is provided with mounting hole, and connection column 35 stretches out
Bearing is installed, connecting rod 33 is by bearing holder (housing, cover) 243 loaded on connection column 35 on the shaft part of mounting hole.That is, connecting rod 33 is logical
Cross bearing and realize revolution in horizontal plane with being connected column 35.Column 35 can either screw or interference be matched somebody with somebody by axis pin for connection
The modes such as conjunction are fixed on inside mounting hole.
In order to realize the reliability of bearing installation lengthwise position, in a kind of embodiment, slide block mechanism 3 can be with
Including the first collar 391 and the second collar 392, the first collar 391 is installed on inside the connecting hole 332 of connecting rod 33, the second collar
392 are installed on the periphery wall of connection column 35.Bearing is limited between the first collar 391 and the second collar 392.
Specifically, the connecting hole of the end of connecting rod 33 is stepped hole, its major diameter section forms step surface, major diameter section with path section
Positioned at lower section, bearing is loaded on major diameter section, and against on the step surface of through hole, the first collar 391 is arranged at major diameter section for bearing upper surface
Aperture position.
From the above, it can be seen that the bottom of connection column 35 is fixed on inside mounting hole, it extend out to mounting hole
Shaft part on bearing 38 is installed, connecting rod 33 is relatively rotated by bearing with being connected column 35.In the period of adjustment, connecting rod 33 is right
Apply certain radial load in connection column 35.Column 35 is connected equivalent to cantilever beam structure.Cantilever beam structure equilibrium condition is steady
Qualitative difference, in the transmission of identical load, cantilever beam structure axis easily produces mechanical fatigue.
In order to improve connection column 35 stress condition, improve connection column 35 service life, also carried out herein with
Lower setting.
The upper end of connection column 35 in the respective embodiments described above is fixedly connected by connector with slide body 31, i.e.,
The both ends of connection column 35 are fixed with slide body 31, and bottom is fixed in the mounting hole of slide body 31, upper end
Fixed by connector and slide body 31, bearing is between the upper and lower end that connection column 35 is fixed.So connect
The upper and lower end for connecing column 35 is fixed with slide body 31, and equivalent to simple beam structure, it is vertical to substantially improve connection
The stressing conditions of column 35, improve the service life of connection column 35.
Realize that the upper end of connection column 35 is fixed with many modes with slide body 31, there is shown a kind of specific
Embodiment.
In a kind of specific embodiment, the upper surface of connection column 35 is provided with the installation groove of opening upwards, even
Fitting includes Z-type part 36 and fixed pin 37, and Z-type part 36 includes the first cross wall of the first cross wall 361, the second cross wall 363 and connection
361 and second cross wall 363 wall 362, be provided with through hole on the first cross wall 361, fixed pin 37 is arranged on the first cross wall 361 at the same time
Through hole and installation groove inside, with fix the first cross wall 361 in connection column 35；Second cross wall 363 is equipped with and slide body
31 fit structures fixed, the second cross wall 363 can pass through the screw either technique such as bolt or welding manner and slide body
31 fix.
Z-type part 36 can be overall structure, or Split type structure, i.e. the first cross wall 361, the second cross wall 363 and vertical
Wall 362 is individual member, and three is realized by connecting component and connected.The specific implementation that Z-type part is Split type structure is shown in figure
Mode, wherein the first cross wall 361 is a separate part, the second cross wall 363 is integral structure with armstand 362.
Certainly, connector is not limited to Z-type part form, or other forms, as long as connection column 35 can be realized
Upper end is reliably connected with slide body 31.
In a kind of specific embodiment, fixed pin 37 include diameter be sequentially reduced the first shaft part, the second shaft part and
3rd shaft part, the first shaft part are installed in the through hole interference fit in the outside of the first cross wall 361, the second shaft part and the first cross wall 361,
3rd shaft part is interference fitted with installation groove.
Wherein, the both ends of the surface of fixed pin are respectively arranged with first axis blind hole and the second axial blind hole；So can be into one
Step mitigates its weight.
Cam 21 in the application forms 33 mechanism of crank connecting link with slide block mechanism 3, in practice process, finds herein,
Cam 21 and rotation axis link position stress are smaller, and overall system architecture is more stable；Cam 21 and 33 link position stress of connecting rod
Smaller, connecting rod 33 is more safe and reliable when moving.Research finds that the quality of slide block mechanism 3 is smaller, cam 21 and rotation axis connection position
Put, cam 21 and the link position stress of connecting rod 33 it is smaller.
Centroid position, weight and the shape of cam 21 herein can turn according to the weight of slide block mechanism 3, rotation axis
Speed and dynamic balance principle determine.
Cam 21 can produce eccentric force during the motion, and inevitably the output shaft of camshaft and servomotor 22 can be produced
Influence, in order to slow down influence of the eccentric force to servomotor 22 when cam 21 moves, also carried out herein arranged below.
In a kind of embodiment, crank-drive mechanism 2 can also include double angular contact bearing components, cam 21
Camshaft 211 is connected by double angular contact bearing modular supports in mounting body 20, the rotation axis such as camshaft 211 and motor output shaft
Connect, the component that both there can be shock-absorbing function by the grade of shaft coupling 28 connects.
Double angular contact bearing components can specifically include a pair of double angular contact bearings, succinct for description technique scheme,
First pair of angular contact bearing 241 and second pair of angular contact bearing 242 are defined herein as, two double angular contact bearings can be with stabilizer tab
The eccentric forces and automatic aligning that wheel 21 produces, slow down 21 motion eccentric power of cam to the defeated of camshaft and servomotor 22 significantly
The influence of shaft.
Further, double angular contact bearing components can also include bearing holder (housing, cover) 243, and bearing holder (housing, cover) 243 is fixedly installed in installation
In main body 20.First pair of angular contact bearing, 241, second pairs of angular contact bearings 242 are arranged inside bearing holder (housing, cover) 243, and first
Positioning sleeve 244 is additionally provided between double 241, second pairs of angular contact bearings 242 of angular contact bearing, positioning sleeve 244 is placed on camshaft
211 periphery walls, and there is gap with 211 periphery of camshaft, the effect of positioning sleeve 244 mainly positions first pair of angular contact bearing
Lengthwise position between 241 and second pair of angular contact bearing 242.
Further, the both ends of the surface of bearing holder (housing, cover) 243 are respectively fixed with the first snap ring 261 and the second snap ring 262, are respectively used to
The axial location of spacing first pair of angular contact bearing 241 and second pair of angular contact bearing 242.First snap ring 261 and the second snap ring
2622 equal gap packages are in the periphery of camshaft 211.That is the first snap ring 261 and camshaft 211, the second snap ring 262 and camshaft
The 211 circumferential rotations for leaving enough gaps, avoiding the first snap ring 261 and the second snap ring 262 influence camshaft 211.
In order to meet high-speed rotating demand, locking nut 263, locking nut are further provided with camshaft 211
263 are located at the outside of bearing holder (housing, cover) 243, for limiting the lower position of second pair of angular contact bearing 242.Can be so conducive to
The reliability that two pairs of 242 positions of angular contact bearing are fixed.
Certainly, locking nut 263 rotates backward in order to prevent, can also set baffle ring 264 in the lower section of locking nut 263
To prevent locking nut 263 from loosening.
In a kind of embodiment, through hole is provided with the workbench of rack 1, mounting body 20 is installed on workbench
Lower surface, cam 21 of the through hole connection above workbench of the output shaft of servomotor 22 through workbench.So set
It is equipped with compact beneficial to mechanism structure.Servomotor 22 can connect camshaft 211 by shaft coupling 28 and retarder 29.
In the various embodiments described above, sensor 27 is also provided with mounting body 20, sensing is installed on camshaft 211
Plate, sensor 27 coordinate the control origin position for determining servomotor 22 with tablet.Tablet can flexibly be arranged at camshaft
On 211.
Cam 21 includes big end and small end, and small end is equipped with connecting hole, and connecting pole 23 is provided with inside connecting hole, even
Connect and deep groove ball bearing 25 is installed on column 23, one end of connecting rod 33 connects connecting pole 23 by deep groove ball bearing 25.That is connecting rod 33
Respective end be provided with connecting hole 331, which is set on connecting pole 23, and deep groove ball bearing 25 is arranged at connection
Between hole 331 and connecting pole 23.
The upper and lower ends that connecting pole 23 is located at deep groove ball bearing 25 can be respectively provided with baffle ring 251, for limiting deep-groove ball axis
Hold 25 upper-lower position.
Specifically, the connecting hole on cam 21 can be stepped hole, from top to bottom including two sections：Major diameter section and path section,
Major diameter section forms step surface with path section, and connecting pole 23 includes bearing construction section, flange sections and construction section, flange sections from top to bottom
Against the step surface, construction section is placed in inside path section.
Further, the baffle ring of 25 lower position of positioning deep groove ball bearing can also be set on connecting pole 23.
In addition, above-mentioned cam 21 is also provided with mounting hole, keyway is symmetrically arranged with mounting hole, camshaft 211
Upper end connects keyway by corresponding bond structure, and the shaft part that camshaft 211 is located on the outside of mounting hole has collar flange, cam 21
Collar flange is fixed in support, and cam 21 can be fixed by screw or stud etc. with collar flange.
Symmetrically arranged bond structure is conducive to improve the stability that cam 21 moves, and then improves the stabilization of system entirety
Property.
On the basis of above-mentioned running-in machine, present invention also offers a kind of running-in machine for sliding rail of automobile seat break-in
Control method, its this method are specially：
Pre-assembly crank-drive mechanism 2, slide block mechanism 3 are installed in rack 1, and external slide rail is positioned at slide block mechanism 3
Above and by interior slide fix；
Driving rotation axis band moving cam 21 rotates, and then drives the relatively interior slide of external slide rail to reciprocatingly slide, with sliding in realization
Break-in between rail and external slide rail.
The control method be using above-mentioned running-in machine as practice processes, therefore its also have running-in machine above-mentioned technique effect.
A kind of running-in machine and control method for sliding rail of automobile seat break-in provided by the present invention is carried out above
It is discussed in detail.Specific case used herein is set forth the principle of the present invention and embodiment, above example
Illustrate to be only intended to help the method and its core concept for understanding the present invention.It should be pointed out that the common skill for the art
For art personnel, without departing from the principle of the present invention, some improvement and modification can also be carried out to the present invention, these change
Also fallen into modification in the protection domain of the claims in the present invention.
Claims (13)
- A kind of 1. crank-drive mechanism of running-in machine, it is characterised in that including the cam being connected in rotation axis, the rotation axis It is vertically arranged；The crank-drive mechanism (2) includes mounting body (20) and double angular contact bearing components, the cam it is convex Wheel shaft (211) by double angular contact bearing modular supports in the mounting body (20), the camshaft (211) with it is described Axis connection is rotated, the mounting body (20) is additionally provided with coordinates fixed mounting structure with the rack of running-in machine (1)；The peace Fill the slide body that main body (20) connects running-in machine slide block mechanism by connecting rod.
- 2. crank-drive mechanism as claimed in claim 1, it is characterised in that centroid position, weight and the shape of the cam It is former according to the weight of slide block mechanism (3), the rotating speed of the rotation axis and the dynamic balancing that are connected to the mounting body (20) rear end Reason determines.
- 3. crank-drive mechanism as claimed in claim 2, it is characterised in that the cam is provided with mounting hole, the installation Keyway is symmetrically arranged with hole, the upper end of the camshaft (211) connects the keyway by corresponding bond structure, and described The shaft part that camshaft (211) is located on the outside of the mounting hole has collar flange, and it is convex that the cam support is fixed on the ring-type Edge.
- 4. crank-drive mechanism as claimed in claim 2, it is characterised in that double angular contact bearing components include bearing holder (housing, cover) (243), first pair of angular contact bearing (241), positioning sleeve (244) from top to bottom, are disposed with inside the bearing holder (housing, cover) (243) With second pair of angular contact bearing (242), the bearing holder (housing, cover) (243) is fixed on the mounting body (20).
- 5. crank-drive mechanism as claimed in claim 4, it is characterised in that the both ends of the surface of the bearing holder (housing, cover) (243) are solid respectively Surely there are the first snap ring (261) and the second snap ring (262), be respectively used to spacing first pair of angular contact bearing (241) and described Second pair of angular contact bearing (242), first snap ring (261) and second snap ring (262) are set in the camshaft (211) periphery.
- 6. crank-drive mechanism as claimed in claim 5, it is characterised in that be additionally provided with locking on the camshaft (211) Nut (263), the locking nut (263) are arranged at the outside of the bearing holder (housing, cover) (243), for limiting second pair of corner connection The lower position of contact bearing (242).
- 7. such as claim 2 to 6 any one of them crank-drive mechanism, it is characterised in that the cam driving gear is specific Including servomotor (22), the rotation axis is the output shaft of the servomotor (22), the output of the servomotor (22) Axis connects the camshaft (211) by shaft coupling, and the housing of the servomotor (22) is installed on the mounting body (20).
- 8. crank-drive mechanism as claimed in claim 7, it is characterised in that the rack (1) of the running-in machine includes workbench, Through hole is provided with the workbench, the mounting body (20) is installed on the lower surface of the workbench, the servomotor (22) the through hole connection of output shaft through the workbench is located at the cam above the workbench.
- 9. crank-drive mechanism as claimed in claim 7, it is characterised in that be additionally provided with sensing on the mounting body (20) Device (27), tablet is provided with the camshaft (211), and the sensor (27) coordinates with the tablet determines described watch Take the control origin position of motor (22).
- 10. crank-drive mechanism as claimed in claim 1, it is characterised in that the cam includes big end and small end, institute State small end and be provided with connecting hole, connecting pole (23) is installed inside the connecting hole, connecting pole is provided with deep-groove ball on (23) Bearing, one end of connecting rod connect the connecting pole (23) by the deep groove ball bearing (25).
- 11. crank-drive mechanism as claimed in claim 10, it is characterised in that the connecting hole is stepped hole, from top to bottom Including two sections：Major diameter section and path section, the major diameter section form step surface with the path section, from top to bottom the connecting pole (23) bearing construction section, flange sections and construction section are included, the flange sections are placed in institute against the step surface, the construction section State inside path section.
- 12. crank-drive mechanism as claimed in claim 10, it is characterised in that be additionally provided with positioning on the connecting pole (23) The baffle ring of deep groove ball bearing (25) lower position.
- A kind of 13. running-in machine, it is characterised in that including rack, be provided with the rack slide block mechanism and claim 1 to 12 any one of them crank-drive mechanisms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721387707.8U CN207344078U (en) | 2017-10-24 | 2017-10-24 | A kind of crank-drive mechanism and the running-in machine with the crank-drive mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721387707.8U CN207344078U (en) | 2017-10-24 | 2017-10-24 | A kind of crank-drive mechanism and the running-in machine with the crank-drive mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207344078U true CN207344078U (en) | 2018-05-11 |
Family
ID=62356450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721387707.8U Withdrawn - After Issue CN207344078U (en) | 2017-10-24 | 2017-10-24 | A kind of crank-drive mechanism and the running-in machine with the crank-drive mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207344078U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107584243A (en) * | 2017-10-24 | 2018-01-16 | 湖北航嘉麦格纳座椅系统有限公司 | A kind of crank-drive mechanism and the running-in machine with the crank-drive mechanism |
-
2017
- 2017-10-24 CN CN201721387707.8U patent/CN207344078U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107584243A (en) * | 2017-10-24 | 2018-01-16 | 湖北航嘉麦格纳座椅系统有限公司 | A kind of crank-drive mechanism and the running-in machine with the crank-drive mechanism |
| CN107584243B (en) * | 2017-10-24 | 2023-09-29 | 湖北航嘉麦格纳座椅系统有限公司 | Crank driving mechanism and running-in machine with same |
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