CN205559752U - Wheel and rack's clearance adjustment device - Google Patents
Wheel and rack's clearance adjustment device Download PDFInfo
- Publication number
- CN205559752U CN205559752U CN201620385085.4U CN201620385085U CN205559752U CN 205559752 U CN205559752 U CN 205559752U CN 201620385085 U CN201620385085 U CN 201620385085U CN 205559752 U CN205559752 U CN 205559752U
- Authority
- CN
- China
- Prior art keywords
- rack
- frame
- wheel
- guide rail
- gear
- 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.)
- Expired - Fee Related
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- Transmission Devices (AREA)
- Gears, Cams (AREA)
Abstract
The utility model relates to a wheel and rack's clearance adjustment device, including installing the frame on the base, install the knife rest in the frame, be equipped with the guide rail on the base, the bottom of guide rail is equipped with the rack, still be equipped with drive arrangement in the frame, drive arrangement passes through transmission and links to each other with the gear, just the gear with toothed bar mesh makes the frame is followed the guide rail removes, transmission passes through the bearing frame to be fixed in the frame, just the axle sleeve center of bearing frame is for the central eccentric settings of flange, thereby makes wheel and rack's interval is adjustable, not only guarantees to operate steadily, fix a position the accuracy, life that moreover can the extension fixture, noise when reducing the equipment operation.
Description
Technical field
This utility model relates to a kind of mechanical driving device, refers in particular to the lash adjusting device of wheel and rack.
Background technology
In some machineries such as groover, traditional knife rest is arranged in frame, and described frame is arranged on the base being provided with slide rail, driving means and the actuating unit that is connected with described driving means knife rest is transported to the other end by one end of guide rail thus realize the purpose that material is cut.Traditional driving means is common motor, owing to knife rest quality is heavy, inertia is big, so knife rest easily produces the inaccurate problem of positioning precision in moving process, thus directly affect the crudy of product, can cause waste product occur time serious, positioning precision when therefore knife rest moves just seems particularly significant.And the movement of existing common knife rest is typically matched realization by wheel and rack, and the size of the fit clearance between wheel and rack is most important, no matter excesssive gap or too small, all can there is in running the problems such as big, the serious wear of noise.Prior art, when initially assembling, is difficult to grasp between wheel and rack the most suitably gap.Additionally, along with the time of use is permanent, there is abrasion in gear teeth face and tooth bar, so that wheel and rack centre-to-centre spacing can become larger, cause the excesssive gap of wheel and rack, bigger shock loading can be produced when the forward and reverse operating of gear, not only cause operation unstable, position inaccurate, thus affect positioning precision, and affect the service life of device, also can produce the biggest noise.
Utility model content
For this, technical problem to be solved in the utility model is to overcome wheel and rack centre-to-centre spacing described in prior art to be fixing and nonadjustable, along with the time of use is permanent, gear teeth face and tooth bar the problems such as abrasion, noise occur thus provide one to operate steadily, accurate positioning, and can the lash adjusting device of wheel and rack in extension fixture service life.
For solving above-mentioned technical problem, the lash adjusting device of wheel and rack described in the utility model, including the frame being arranged on base, in described frame, knife rest is installed, described base is provided with guide rail, the bottom of described guide rail is provided with tooth bar, it is additionally provided with driving means in described frame, described driving means is connected with gear by actuating device, and described gear is meshed with described tooth bar and makes described frame move along described guide rail, described actuating device is fixed in frame by bearing block, and the axle sleeve center of described bearing block is relative to flange center's eccentric setting.
In an embodiment of the present utility model, described actuating device includes the drivewheel being connected with described driving means and the driven pulley being connected by transmission band with described drivewheel.
In an embodiment of the present utility model, described driven pulley is fixed on power transmission shaft, and is connected with described gear by power transmission shaft.
In an embodiment of the present utility model, described driving means includes electromotor and the reductor being connected with described electromotor.
In an embodiment of the present utility model, described reductor is connected with described drivewheel.
In an embodiment of the present utility model, described power transmission shaft is fixed on bearing, and described bearing is fixed on described bearing block.
In an embodiment of the present utility model, on described axle sleeve, the diameter of one end adjacent with described flange is gradually reduced away from the diameter of flange one end to described axle sleeve.
Technique scheme of the present utility model has the advantage that compared to existing technology
Lash adjusting device at wheel and rack described in the utility model, described actuating device is connected with described gear, when described flange center is set for the eccentric relative to axle sleeve center, the spacing that can make described wheel and rack is adjustable, not only ensure operate steadily, accurate positioning, and the service life of energy extension fixture, reduce noise when equipment runs.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below according to specific embodiment of the utility model and combine accompanying drawing, this utility model is described in further detail, wherein
Fig. 1 is the front view of the lash adjusting device of wheel and rack described in the utility model；
Fig. 2 is the top partial view diagram of the lash adjusting device of wheel and rack described in the utility model；
Fig. 3 is the front view of bearing block described in the utility model；
Fig. 4 is the right view of bearing block described in the utility model.
Detailed description of the invention
Such as Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, the lash adjusting device of a kind of wheel and rack described in the present embodiment, including the frame 12 installed on the pedestal 11, in described frame 12, knife rest 13 is installed, described base 11 is provided with guide rail 14, the bottom of described guide rail 14 is provided with tooth bar 15, it is additionally provided with driving means 20 in described frame 12, described driving means 20 is connected with gear 16 by actuating device 30, and described gear 16 is meshed with described tooth bar 15 and makes described frame 12 move along described guide rail 14, described actuating device 30 is fixed in frame 12 by bearing block 40, and axle sleeve 42 center of described bearing block 40 is relative to flange 41 center eccentric setting.
Above-mentioned is core technology scheme of the present utility model, the lash adjusting device of wheel and rack described in the utility model, including the frame 12 installed on the pedestal 11, in described frame 12, knife rest 13 is installed, described base 11 is provided with guide rail 14, the bottom of described guide rail 14 is provided with tooth bar 15, it is additionally provided with driving means 20 in described frame 12, described driving means 20 is connected with gear 16 by actuating device 30, and described gear 16 is meshed with described tooth bar 15 and makes described frame 12 move along described guide rail 14, so that knife rest 13 is moved to the other end by one end of described guide rail 14, realize the purpose that the material on guide rail 14 is cut；Described actuating device 30 is fixed in frame 12 by bearing block 40, makes on the power transmission extremely described gear 16 of described actuating device 30, it is simple to described gear 16 is meshed with described tooth bar 15, makes described gear 16 move along described tooth bar 15；Axle sleeve 42 center of described bearing block 40 is relative to flange 41 center eccentric setting, owing to described actuating device 30 is connected with described gear 16, when described flange 41 center is set for the eccentric relative to described axle sleeve 42 center, by rotating the angle of described flange 41, the distance between described axle sleeve 42 center and described tooth bar 15 can be adjusted, so that described gear 16 is adjustable with the spacing of tooth bar 15, not only operate steadily, accurate positioning, and the service life of energy extension fixture, reduce noise when equipment runs.
nullAs depicted in figs. 1 and 2，Described actuating device 30 includes the drivewheel 31 being connected with described driving means 20 and the driven pulley 32 being connected by transmission band with described drivewheel 31，By described actuating device 30, the power of described driving means 20 is transmitted to described gear 16，Specifically，Described driving means 20 is by power transmission extremely described drivewheel 31，Power is transmitted to described driven pulley 32 by described drivewheel 31 by transmission band，Described driven pulley 32 is fixed on power transmission shaft 33，Described power transmission shaft 33 is fixed on bearing 34，Described bearing 34 is fixed in described bearing block 40，And described driven pulley 32 is connected with described gear 16 by power transmission shaft 33，Power is made to be transmitted to described gear 16 by power transmission shaft 33 by driven pulley 32，Thus the rotation of driven gear 16.Owing to described gear 16 is meshed with described tooth bar 15, the most described gear 16 can slide on described guide rail 14 along described tooth bar 15.
Described driving means 20 includes electromotor 21 and the reductor 22 being connected with described electromotor 21, the power of described electromotor 21 output can be reduced by described reductor 22, described reductor 22 is connected with described drivewheel 31, makes power be transmitted to described drivewheel 31 by described reductor 22.
It is gradually reduced away from the diameter of described flange 41 one end to described axle sleeve 42 with the diameter of described adjacent one end of flange 41 on described axle sleeve 42, consequently facilitating install described bearing 34, and described bearing 34 can be made to be stable in described bearing block 40.
To sum up, technical scheme described in the utility model has the advantage that
1. at the lash adjusting device of described wheel and rack of the present utility model, including the frame being arranged on base, in described frame, knife rest is installed, described base is provided with guide rail, the bottom of described guide rail is provided with tooth bar, it is additionally provided with driving means in described frame, described driving means is connected with gear by actuating device, and described gear is meshed with described tooth bar and makes described frame move along described guide rail, so that knife rest is moved to the other end by one end of described guide rail, it is achieved the purpose that the material on guide rail is cut；Described actuating device is fixed in frame by bearing block, makes on the power transmission extremely described gear of described actuating device, it is simple to described gear is meshed with described tooth bar, makes described gear move along described tooth bar；The axle sleeve center of described bearing block is relative to flange center's eccentric setting, by rotating the angle of described flange, the distance between axle sleeve center and described tooth bar can be adjusted, so that the spacing of described wheel and rack is adjustable, not only operate steadily, accurate positioning, and the service life of energy extension fixture, reduce noise when equipment runs.
2. at the lash adjusting device of wheel and rack described in the utility model, on described axle sleeve, the diameter of one end adjacent with described flange is gradually reduced away from the diameter of described flange one end to described axle sleeve, consequently facilitating install described bearing, and described bearing can be made to be stable in described bearing block.
Obviously, above-described embodiment is only for clearly demonstrating example, the not restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.And among the protection domain that the obvious change thus extended out or variation are created still in this utility model.
Claims (7)
1. the lash adjusting device of a wheel and rack, including the frame being arranged on base, in described frame, knife rest is installed, described base is provided with guide rail, the bottom of described guide rail is provided with tooth bar, it is additionally provided with driving means in described frame, described driving means is connected with gear by actuating device, and described gear is meshed with described tooth bar and makes described frame move along described guide rail, it is characterized in that: described actuating device is fixed in frame by bearing block, and the axle sleeve center of described bearing block is relative to flange center's eccentric setting.
The lash adjusting device of wheel and rack the most according to claim 1, it is characterised in that: described actuating device includes the drivewheel being connected with described driving means and the driven pulley being connected by transmission band with described drivewheel.
The lash adjusting device of wheel and rack the most according to claim 2, it is characterised in that: described driven pulley is fixed on power transmission shaft, and is connected with described gear by power transmission shaft.
The lash adjusting device of wheel and rack the most according to claim 2, it is characterised in that: described driving means includes electromotor and the reductor being connected with described electromotor.
The lash adjusting device of wheel and rack the most according to claim 4, it is characterised in that: described reductor is connected with described drivewheel.
The lash adjusting device of wheel and rack the most according to claim 3, it is characterised in that: described power transmission shaft is fixed on bearing, and described bearing is fixed on described bearing block.
The lash adjusting device of wheel and rack the most according to claim 1, it is characterised in that: on described axle sleeve, the diameter of one end adjacent with described flange is gradually reduced away from the diameter of flange one end to described axle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620385085.4U CN205559752U (en) | 2016-04-29 | 2016-04-29 | Wheel and rack's clearance adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620385085.4U CN205559752U (en) | 2016-04-29 | 2016-04-29 | Wheel and rack's clearance adjustment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205559752U true CN205559752U (en) | 2016-09-07 |
Family
ID=56805619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620385085.4U Expired - Fee Related CN205559752U (en) | 2016-04-29 | 2016-04-29 | Wheel and rack's clearance adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205559752U (en) |
-
2016
- 2016-04-29 CN CN201620385085.4U patent/CN205559752U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20210429 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |