CN206550133U - A kind of dependence differential gear train combines the cold pilger mill of commutation with non-circular gear - Google Patents

Abstract

A kind of dependence differential gear train combines the cold pilger mill of commutation with non-circular gear, and it is mainly：Decelerator includes a noncircular gear pair, a knuckle-tooth wheel set and one group of bevel geared differential gear train；Its wheel shaft of the drive pulley being connected with motor is connected with the input shaft of decelerator, non-circular gear A and Knucle-gear A are set thereon, non-circular gear A is engaged with the non-circular gear B that another profile cooperates, another Knucle-gear A is engaged with another Knucle-gear B, Knucle-gear B is connected with hollow shaft, the hollow shaft other end is connected with an angular wheel A in differential gear train, non-circular gear B gear shaft passes through hollow shaft, it is vertical with the gear shaft through bevel gear B central through holes to be connected, a drive gear is additionally provided with differential gear train bevel gear C wheel shaft, it is meshed with the rack being connected on work housing.The utility model can make rate curve and accelerating curve more smooth, reduce inertia force, improve rolled piece quality on the premise of production efficiency is ensured.

Description

A kind of dependence differential gear train combines the cold pilger mill of commutation with non-circular gear

Technical field

The utility model is related to a kind of cold rolling tube apparatus.

Background technology

Seamless steel pipe has hollow section, a large amount of pipelines for being used as trandfer fluid, such as delivery hydraulic pressure oil, oil, coal gas, day Right gas etc..The bending resistance torsional strength height and light weight of steel pipe, are a kind of cross-section steels of very economical, are widely used in manufacture knot simultaneously Component and machine components, for example have widespread adoption in fields such as venue construction, defence and military, the vehicles.

Cold rolling is the main production of current production steel pipe, and cold tube rolling has that size is good, precision is high, surface-brightening etc. Advantage.Traditional cold pilger mill is rotated by motor belt motor movable belt pulley, and transmission belt is transmitted motion on large-scale Knucle-gear, Knucle-gear, Connecting rod and work housing have collectively constituted slider-crank mechanism, and the rotating band of Knucle-gear moves work housing and moved back and forth to regular worker Part carries out rolling finishing.Due to the characteristic of slider-crank mechanism in itself, the rate curve and accelerating curve of work housing are carried out Cyclically-varying because easily producing larger inertia force in extreme position so as to causing noise and impact, its curve it is flat Slippage degree and extreme value size will directly affect the quality of rolled piece.With the increasingly raising of scientific and technological level, to tube product quality, The requirement of production environment is growing day by day, and the movement velocity and acceleration that this is accomplished by milling train work housing are more steady, reduces The inertia force of work housing.

The content of the invention

The utility model purpose is that providing one kind can make product quality height, inertia force small simultaneously on the premise of guaranteed efficiency The dependence differential gear train of vibration and noise reducing combines the cold pilger mill of commutation with non-circular gear.The utility model, which is mainly, uses differential gear System and the combination of non-circular gear are driven instead of crank rocker.

To achieve the above object, following technical scheme is employed：The utility model mainly includes motor, drive pulley, subtracted Fast case, base, framework lateral plate, bottom roll support, bottom roll, topping roll, topping roll support and frame upper plate.Wherein, four Framework lateral plate is respectively cooperating with being arranged on upper and lower roll support and the surrounding of upper and lower roll, collectively constitutes work housing, in work Frame top installation frame upper plate, in the bottom mounting seat of work housing, work housing with and the transmission that is connected of motor Decelerator is installed between belt wheel.The decelerator mainly includes a noncircular gear pair, a knuckle-tooth wheel set and one group of bevel gear Differential gear train.Wherein, its wheel shaft of the drive pulley being connected by transmission belt with motor is connected with the input shaft of decelerator or is same A piece axle, the input shaft is provided with two gears, and one is non-circular gear A, and another is Knucle-gear A, non-circular gear A with The non-circular gear B engagements that another profile cooperates, another Knucle-gear A is engaged with another Knucle-gear B.Knucle-gear B If central through hole, it is connected with one end of hollow shaft, in an angular wheel A in the hollow shaft other end and differential gear train Heart through hole is connected, and the bevel gear A is engaged with bevel gear B, and the bevel gear B is engaged with another bevel gear C again, non-circular gear B's Gear axial direction Knucle-gear B directions extend across Knucle-gear B hollow shaft, end and the gear through bevel gear B central through holes Axle is vertically connected, and a drive gear, and bevel gear C wheel shaft and non-circular gear B are additionally provided with the wheel shaft of the bevel gear C Wheel shaft coaxial line, the drive gear is meshed with the rack being connected on work housing.

The utility model has the following advantages that compared with prior art：

1st, rate curve is smoother, and accelerating curve limit is smaller, i.e., peak acceleration is small.The operation of rolling is more steady.

2nd, under identical production efficiency, robust motion is good, and impact shock is small, and product quality is high.

Brief description of the drawings

Fig. 1 is that simplified schematic diagram is cutd open by main view of the present utility model office.

Fig. 2 is the vertical view simplified schematic diagram of reduction box train in the utility model.

Fig. 3 is noncircular gear pair pitch curve front view.

In figure：Rolled under 1- motors, 2- drive pulleys, 3- decelerators, 4- bases, 5- framework lateral plates, the support of 6- bottom rolls, 7- Roller, 8- topping rolls, the support of 9- topping rolls, 10- frames upper plate, 11- non-circular gear A, 12- non-circular gear B, 13- Knucle-gears A, 14- Knucle-gear B, 15- bevel gear A, 16- bevel gear B, 17- bevel gear C, 18- drive gear, 19- driving racks, 20- are hollow Axle, the input shaft of 21- decelerators.

Embodiment

The utility model is described further below in conjunction with the accompanying drawings：

Simplified schematic diagram is cutd open by the cold pilger mill main view office that commutation is combined with non-circular gear in the dependence differential gear train shown in Fig. 1 In, four framework lateral plates 5 are respectively cooperating with being arranged on topping roll and support 9 and bottom roll support 6 and topping roll 8 and bottom roll 7 Surrounding, collectively constitutes work housing, in work housing top loader frame upper plate 10, in the bottom mounting seat of work housing 4, decelerator 3 is installed between the drive pulley 2 that is connected of motor 1 in work housing.In fig. 2, the decelerator is mainly wrapped Include a noncircular gear pair, a knuckle-tooth wheel set and one group of bevel geared differential gear train.Wherein, it is connected by transmission belt with motor The input shaft 21 of its wheel shaft of drive pulley and decelerator is same axis, and the input shaft is provided with two gears, and one is non- Knucle-gear A11, another is Knucle-gear A13, and non-circular gear A is engaged with the non-circular gear B12 that another profile cooperates, As shown in figure 3, another Knucle-gear A is engaged with another Knucle-gear B14.Knucle-gear B sets central through hole, itself and hollow shaft 20 One end be connected, the hollow shaft other end is connected with the central through hole of an angular wheel A15 in differential gear train, the bevel gear A is engaged with bevel gear B16, and the bevel gear B is engaged with another bevel gear C17 again, the non-circular gear B axial Knucle-gear B of gear Direction extends across Knucle-gear B hollow shaft, and end is vertical with the gear shaft through bevel gear B central through holes to be connected, described A drive gear, and the wheel shaft coaxial line of bevel gear C wheel shaft and non-circular gear B, institute are additionally provided with bevel gear C wheel shaft The rack that drive gear is stated with being connected on work housing is meshed.

Noncircular gear pair should as shown in Figure 3 be engaged in initial position, because the gear teeth of non-circular gear are one-to-one Relation, so can not arbitrarily coordinate, it should allow specific two gear teeth meshings in initial position.

The course of work of the present utility model approximately as：

The moment of torsion of motor output is sent on input shaft by drive pulley drives non-circular gear 11 and Knucle-gear 13 to rotate, Gear 11 and 13 again moved respectively by driving 12 and 14, and the motion of non-circular gear 12 is input in differential gear train by tie-rod H, knuckle-tooth The motion of wheel 14 is input in differential gear train by hollow shaft, is then output to by bevel gear 17 on drive gear 18, gear 18 It is meshed with rack 19, rack 19 is fixedly connected with work housing again, is also equivalent to the driving work housing of gear 18 and carries out back and forth Motion.

The above-mentioned course of work is conceived based on：Non-circular gear is for transmitting two between centers non-uniform movements, non-knuckle-tooth Compact conformation, the good, gearratio of rigidity of wheel set are more steady, easily realize dynamic balancing.Due to a pair of non-circular gears can not realize it is non- Dull corner functional relation, so the method combined using noncircular gear pair with differential gear train, two motions are inputted simultaneously Differential gear train and allow synthesis motion for the difference of two input motions, the resultant motion is output campaign, and output corner should be It is continuous to swing, by the cooperation with rack, to realize the reciprocating motion of work housing.

Claims (1)

1. a kind of dependence differential gear train combines the cold pilger mill of commutation with non-circular gear, four framework lateral plates are respectively cooperating with being arranged on The surrounding of upper and lower roll support and upper and lower roll, collectively constitutes work housing, in work housing top loader frame upper plate, In the bottom mounting seat of work housing, decelerator is installed between the drive pulley that is connected of motor in work housing, its It is characterised by：Its wheel shaft of the drive pulley being connected by transmission belt with motor is connected with the input shaft of decelerator or for same Axle, the input shaft is provided with two gears, and one is non-circular gear A, and another is Knucle-gear A, non-circular gear A with it is another The non-circular gear B engagements that individual profile cooperates, another Knucle-gear A is engaged with another Knucle-gear B, during Knucle-gear B is set Heart through hole, it is connected with one end of hollow shaft, the central through hole of the hollow shaft other end and a bevel gear A in differential gear train It is connected, the bevel gear A is engaged with bevel gear B, and the bevel gear B is engaged with another bevel gear C again, non-circular gear B gear shaft Knucle-gear B hollow shaft is extended across to Knucle-gear B directions, end is vertical with the gear shaft through bevel gear B central through holes A drive gear, and the wheel shaft of bevel gear C wheel shaft and non-circular gear B are additionally provided with connection, the wheel shaft of the bevel gear C Coaxial line, the drive gear is meshed with the rack being connected on work housing.