CN204592237U - Band sawing machine special reduction gear - Google Patents
Band sawing machine special reduction gear Download PDFInfo
- Publication number
- CN204592237U CN204592237U CN201520285575.2U CN201520285575U CN204592237U CN 204592237 U CN204592237 U CN 204592237U CN 201520285575 U CN201520285575 U CN 201520285575U CN 204592237 U CN204592237 U CN 204592237U
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- output shaft
- casing
- vertical
- saw blade
- bevel pinion
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Abstract
The utility model discloses a kind of band sawing machine special reduction gear, comprise motor, retarder, output shaft and the saw blade be sheathed on output shaft, described retarder comprises casing and to be all located in casing and the Linear transmission assembly of engagement driving successively, vertical-transmission assembly, low speed rotation assembly and high-speed drive assembly, the output terminal of described motor and Linear transmission assembly engagement driving, described output shaft run through in casing and with the transmission of high-speed drive assembly, described output shaft is arranged with flange plate outside casing, described flange plate side and casing are adjacent to setting, opposite side is fixedly connected with saw blade, described casing is provided with sawing face, described blade radius is greater than the distance of axis to sawing face of output shaft.The output of this kind of speed reducer is more stable, and can effectively prevent saw blade from rupturing when sawing action and damaging, and effectively decreases the damage of processing component, saves processing cost.
Description
Technical field
The utility model relates to a kind of band sawing machine, and more particularly, it relates to a kind of speed reducer of band sawing machine.
Background technique
Band sawing machine is the lathe for each metallic material of sawing, and speed reducer is the vitals the most in cutting work.The special speed reducer of usual band sawing machine plays coupling rotating speed and transmitting torque between prime mover and working machine or actuator, applies very extensive in modern mechanical.It mainly comprises motor, retarder, output shaft and the saw blade be sheathed on output shaft, the motive force of motor is delivered on output shaft through multistage transmission by retarder stably, then saw blade to be fixed on output shaft thus to allow saw blade along with output shaft rotation, the miscellaneous part of sawing machine is carried above the objects to speed reducer such as steel plate to be cut, saw blade carries out cutting work, but common speed reducer only has one-level or secondary transmission just to allow saw blade carry out cutting work, cause the instability of saw blade cutting work, thus be very easy to fracture, moreover saw blade is that direct fixed cover is located at above output shaft usually, easily block being rotating when sawing enters the objects such as steel plate, what directly fixing saw blade was arranged not firmly often can cause saw blade to rupture, thus waste processing cost.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of band sawing machine special reduction gear, and the output of this kind of speed reducer is more stable, and can effectively prevent saw blade from rupturing when sawing action and damaging, effectively decrease the damage of processing component, save processing cost.
For achieving the above object, the utility model provides following technological scheme:
A kind of band sawing machine special reduction gear, comprise motor, retarder, output shaft and the saw blade be sheathed on output shaft, described retarder comprises casing and to be all located in casing and the Linear transmission assembly of engagement driving successively, vertical-transmission assembly, low speed rotation assembly and high-speed drive assembly, the output terminal of described motor and Linear transmission assembly engagement driving, described output shaft run through in casing and with the transmission of high-speed drive assembly, described output shaft is arranged with flange plate outside casing, described flange plate side and casing are adjacent to setting, opposite side is fixedly connected with saw blade, described casing is provided with sawing face, described blade radius is greater than the distance of axis to sawing face of output shaft.
Further improvement as technique scheme:
Described Linear transmission assembly comprises straight-line transmitting moving axis and fixed cover Linear transmission helical gear provided thereon, and the output terminal of described motor is fixed with input helical gear, described input helical gear and Linear transmission helical gear engagement driving.
Described vertical-transmission assembly comprises vertical bevel pinion, vertical large bevel gear and fixedly wears the vertical drive shaft of vertical large bevel gear, described vertical bevel pinion fixed cover is located at straight-line transmitting moving axis, described vertical large bevel gear and vertical bevel pinion engagement driving.
Described low speed rotation assembly comprises low speed bevel pinion, lazy large helical gear and fixedly wears the idle gear shaft of lazy large helical gear, described low speed bevel pinion fixed cover is located at vertical drive shaft, described high-speed drive assembly comprises high speed bevel pinion, described high speed bevel pinion fixed cover is located at output shaft, described low speed bevel pinion and high speed bevel pinion all with lazy large helical gear engagement driving.
The part of described output shaft connect box respectively correspondence is arranged with bearing, and the bearing near saw blade is tapered roller bearing, and the bearing away from saw blade is roller bearing.
By adopting technique scheme, Linear transmission assembly is set, thus coordinate vertical-transmission assembly that the straight line carrying capacity of motor is sent to output shaft, due to the limited diameter of saw blade, so need the distance in output shaft and sawing face little, so arrange low speed rotation assembly and the engagement of high-speed drive assembly, to meet the high speed of saw blade when cutting operation, and Multi-stage transmission is set the output of output shaft can be made more stable; Output shaft overcoat is established flange plate instead of is directly fixed on output shaft by saw blade, can, when saw blade high-speed cutting steel plate, for saw blade provides support power, effectively prevent saw blade from rupturing when sawing action and damaging, effectively decrease the damage of processing component, save processing cost; Casing arranges sawing face, when sawing steel plate, directly steel plate is placed on sawing face, the radius of saw blade is greater than the distance of axis to sawing face of output shaft, also saw blade is just made to have part to be outstanding sawing face, when sawing works, by steel plate push-and-pull and can fast by complete for steel plate sawing through saw blade.
Accompanying drawing explanation
Fig. 1 is the structural representation one of the utility model band sawing machine special reduction gear embodiment;
Fig. 2 is the dismounting schematic diagram of the utility model band sawing machine special reduction gear embodiment;
Fig. 3 is the A portion enlarged view of Fig. 2.
Reference character:
1, motor; 11, the output terminal of motor; 2, casing; 21, sawing face; 3, output shaft; 31, roller bearing; 32, tapered roller bearing; 33, flange; 4, saw blade; 5, Linear transmission assembly; 51, Linear transmission helical gear; 52, straight-line transmitting moving axis; 6, vertical-transmission assembly; 61, vertical bevel pinion; 62, vertical large bevel gear; 63, vertical drive shaft; 7, low speed rotation assembly; 71, low speed bevel pinion; 72, lazy large helical gear; 73, idle gear shaft; 8, high-speed drive assembly.
Embodiment
Referring to figs. 1 through Fig. 3, the utility model band sawing machine special reduction gear embodiment is described further.
A kind of band sawing machine special reduction gear, comprise motor 1, retarder, output shaft 3 and the saw blade 4 be sheathed on output shaft 3, described retarder comprises casing 2 and to be all located in casing 2 and the Linear transmission assembly 5 of engagement driving successively, vertical-transmission assembly 6, low speed rotation assembly 7 and high-speed drive assembly 8, output terminal 11 and Linear transmission assembly 5 engagement driving of described motor, described output shaft 3 run through in casing 2 and with high-speed drive assembly 8 transmission, described output shaft 3 is arranged with flange 33 and coils outside casing 2, described flange 33 coils side and casing 2 is adjacent to setting, opposite side is fixedly connected with saw blade 4, described casing 2 is provided with sawing face 21, the axis that described saw blade 4 radius is greater than output shaft 3 to sawing face 21 distance.
By adopting technique scheme, Linear transmission assembly 5 is set, thus coordinate vertical-transmission assembly 6 that the straight line carrying capacity of motor 1 is sent to output shaft 3, due to the limited diameter of saw blade 4, so need output shaft 3 little with the distance in sawing face 21, so arrange low speed rotation assembly 7 and high-speed drive assembly 8 engages, to meet the high speed of saw blade 4 when cutting operation, and Multi-stage transmission is set the output torque of output shaft 3 can be made more stable; Output shaft 3 overcoat is managed blue 33 dishes instead of is directly fixed on output shaft 3 by saw blade 4, can, when saw blade 4 high-speed cutting steel plate, for saw blade 4 provides support power, effectively prevent saw blade 4 from rupturing when sawing action and damaging, effectively decrease the damage of processing component, save processing cost; Casing 2 arranges sawing face 21, when sawing steel plate, directly steel plate is placed on sawing face 21, the axis that the radius of saw blade 4 is greater than output shaft 3 to sawing face 21 distance, also saw blade 4 is just made to have part to be (it should be noted that of outstanding sawing face 21, herein the distance in exportable axle 3 and sawing face 21 be set to the radius of saw blade 4 2/1 to three/2nds between, be preferably 1/2nd), when sawing works, by steel plate push-and-pull and can fast by complete for steel plate sawing when saw blade 4.
Described Linear transmission assembly 5 comprises straight-line transmitting moving axis 52 and fixed cover Linear transmission helical gear 51 provided thereon, straight-line transmitting moving axis 52 is arranged on casing 2 through bearing, the output terminal 11 of described motor is fixed with input helical gear, described input helical gear and Linear transmission helical gear 51 engagement driving, input helical gear and Linear transmission helical gear 51 enter shown in figure herein, normal module is equal with Normal pressure angle, inputs the radius that helical gear radius is less than Linear transmission helical gear 51.Described vertical-transmission assembly 6 comprises vertical bevel pinion 61, vertical large bevel gear 62 and fixedly wears the vertical drive shaft 63 of vertical large bevel gear 62, vertical drive shaft 63 is arranged on casing 2 through bearing, described vertical bevel pinion 61 fixed cover is located at straight-line transmitting moving axis 52, described vertical large bevel gear 62 and vertical bevel pinion 61 engagement driving, the radius of vertical large bevel gear 62 is greater than the radius of vertical bevel pinion 61 here.
Described low speed rotation assembly 7 comprises low speed bevel pinion 71, lazy large helical gear 72 and fixedly wears the idle gear shaft 73 of lazy large helical gear 72, idle gear shaft 73 is arranged on casing 2 through bearing, described low speed bevel pinion 71 fixed cover is located at vertical drive shaft 63, described high-speed drive assembly 8 comprises high speed bevel pinion, described high speed bevel pinion fixed cover is located at output shaft 3, described low speed bevel pinion 71 and high speed bevel pinion all with lazy large helical gear 72 engagement driving.The radius of low speed bevel pinion 71 is less than the radius of lazy large helical gear 72, and the radius of low speed bevel pinion 71 equals the radius of high speed bevel pinion.Each helical gear radius size is herein: R inputs helical gear < R high speed bevel pinion < R low speed bevel pinion 71 < R and inputs the lazy large helical gear 72 (because majority in the transmission system of retarder is the helical gear adopted, so can reduce the noise in transmission process preferably) of helical gear=R.The only change transmission direction of lazy large helical gear 72 herein, and do not participate in the distribution of velocity ratio, the transmission of rank residing for low speed bevel pinion 71 belongs to gearing down, effect that what radius was less tell bevel pinion to serve step-up drive (preferred herein little for high speed helical teeth and output shaft 3 are arranged to integrative-structure thus are combined into output gear shaft, convenient when installation).
The part of described output shaft 3 connect box 2 respectively correspondence is arranged with bearing, and the bearing near saw blade 4 is tapered roller bearing 32, and the bearing away from saw blade 4 is roller bearing 31.Tapered roller bearing 32 bears axial force and certain radial force, and roller bearing 31 mainly bears radial force, the axial force produced during two bearings shared gears meshing and radial force, and sawing steel plate produce huge radial force and impact.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. a band sawing machine special reduction gear, comprise motor, retarder, output shaft and the saw blade be sheathed on output shaft, it is characterized in that: described retarder comprises casing and to be all located in casing and the Linear transmission assembly of engagement driving successively, vertical-transmission assembly, low speed rotation assembly and high-speed drive assembly, the output terminal of described motor and Linear transmission assembly engagement driving, described output shaft run through in casing and with the transmission of high-speed drive assembly, described output shaft is arranged with flange plate outside casing, described flange plate side and casing are adjacent to setting, opposite side is fixedly connected with saw blade, described casing is provided with sawing face, described blade radius is greater than the distance of axis to sawing face of output shaft.
2. band sawing machine special reduction gear according to claim 1, it is characterized in that: described Linear transmission assembly comprises straight-line transmitting moving axis and fixed cover Linear transmission helical gear provided thereon, the output terminal of described motor is fixed with input helical gear, described input helical gear and Linear transmission helical gear engagement driving.
3. band sawing machine special reduction gear according to claim 2, it is characterized in that: described vertical-transmission assembly comprises vertical bevel pinion, vertical large bevel gear and fixedly wears the vertical drive shaft of vertical large bevel gear, described vertical bevel pinion fixed cover is located at straight-line transmitting moving axis, described vertical large bevel gear and vertical bevel pinion engagement driving.
4. band sawing machine special reduction gear according to claim 3, it is characterized in that: described low speed rotation assembly comprises low speed bevel pinion, lazy large helical gear and fixedly wears the idle gear shaft of lazy large helical gear, described low speed bevel pinion fixed cover is located at vertical drive shaft, described high-speed drive assembly comprises high speed bevel pinion, described high speed bevel pinion fixed cover is located at output shaft, described low speed bevel pinion and high speed bevel pinion all with lazy large helical gear engagement driving.
5. band sawing machine special reduction gear according to claim 4, is characterized in that: the part of described output shaft connect box respectively correspondence is arranged with bearing, and the bearing near saw blade is tapered roller bearing, and the bearing away from saw blade is roller bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520285575.2U CN204592237U (en) | 2015-05-05 | 2015-05-05 | Band sawing machine special reduction gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520285575.2U CN204592237U (en) | 2015-05-05 | 2015-05-05 | Band sawing machine special reduction gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204592237U true CN204592237U (en) | 2015-08-26 |
Family
ID=53928390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520285575.2U Expired - Fee Related CN204592237U (en) | 2015-05-05 | 2015-05-05 | Band sawing machine special reduction gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204592237U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106271802A (en) * | 2016-08-31 | 2017-01-04 | 扬州市杨永焊管设备厂 | Cold saw gear-box |
| CN107654618A (en) * | 2017-09-30 | 2018-02-02 | 广东星光传动股份有限公司 | A kind of glass industry tailored version spiral bevel gear reductor |
-
2015
- 2015-05-05 CN CN201520285575.2U patent/CN204592237U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106271802A (en) * | 2016-08-31 | 2017-01-04 | 扬州市杨永焊管设备厂 | Cold saw gear-box |
| CN107654618A (en) * | 2017-09-30 | 2018-02-02 | 广东星光传动股份有限公司 | A kind of glass industry tailored version spiral bevel gear reductor |
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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: 20150826 Termination date: 20210505 |
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| CF01 | Termination of patent right due to non-payment of annual fee |