CN202643011U - Stepless speed change device and paper carrier with variable step pitch - Google Patents
Stepless speed change device and paper carrier with variable step pitch Download PDFInfo
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- CN202643011U CN202643011U CN 201220216005 CN201220216005U CN202643011U CN 202643011 U CN202643011 U CN 202643011U CN 201220216005 CN201220216005 CN 201220216005 CN 201220216005 U CN201220216005 U CN 201220216005U CN 202643011 U CN202643011 U CN 202643011U
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Abstract
The utility model discloses a stepless speed change device. By means of specific design of a transmission mechanism, a transmission ratio of an input shaft and an output shaft can be in stepless regulation in a working state and a shut down state of the stepless speed change device, and therefore stepless speed changing can be achieved. The utility model further provides a paper carrier with a variable step pitch, a main body of the paper carrier is divided into a front part and a back part, by means of combination of the paper carrier and the stepless speed change device, the conveying speed of the front part and the conveying speed of the back part can be regulated relatively, when the conveying speed of the front part is accelerated or slowed down, the conveying speed of the back part is correspondingly slowed down or accelerated, and step pitch stepless changing of the front part and the back part of the paper carrier is achieved.
Description
Technical field
The utility model relates to the varying-speed machinery field, refers to especially a kind of continuously variable unit and change step pitch paper guide.
Background technology
Automatic paper conveyer is the relatively independent and requisite vitals of modern sheet-fed press, and wherein defeated paper step pitch is an important parameter of automatic paper conveyer.Traditional printer has its corresponding fixing defeated paper step pitch, in the actual production process, because misoperation may cause actual step pitch and standard step pitch different, will certainly cause defeated paper accident.And such as the graceful rowland of printer manufacturer Germany's Goebel Heidelberg etc., also there be not development in famous company in the world aspect the defeated paper of step pitch so far becoming; Although it is few that domestic some company once worked out by the device mechanical mechanism of the variation of two defeated paper step pitches of the poor realization of motor speed, its shortcoming is that the many costs of control element are higher.
The utility model content
In view of this, the purpose of this utility model is to propose a kind of continuously variable unit and change step pitch paper guide, has realized the stepless variation of the defeated paper step pitch of paper feeding device.
A kind of continuously variable unit that provides based on above-mentioned purpose the utility model, comprise input shaft and input shaft cone pulley on it is set, output shaft and output shaft cone pulley on it is set, and the transmission device that connects described input shaft cone pulley and output shaft cone pulley, described transmission device is so that input shaft cone pulley swinging radius diminishes or when becoming large, output shaft cone pulley swinging radius correspondingly becomes large or diminishes.
Further, described input shaft cone pulley and output shaft cone pulley are divided into second and take turns, first takes turns that second centre hole inside face of taking turns is provided with groove with the output shaft cone pulley described input shaft cone pulley, be provided with keyway on described input shaft and the output shaft, first takes turns groove and output shaft cone pulley second is taken turns groove and engages the key of described input shaft keyway and output shaft keyway with described input shaft cone pulley respectively, and described input shaft cone pulley second take turns with the output shaft cone pulley first and take turns and be separately fixed on described input shaft and the output shaft; First takes turns described input shaft cone pulley with described output shaft cone pulley second and takes turns by described transmission device and link to each other.
Better, described transmission device comprises " Z " shape bar, and first takes turns described input shaft cone pulley with described output shaft cone pulley second and take turns by this " Z " shape bar and link to each other.
Further, described continuously variable unit also comprises support, and two ends are fixed on respectively top and the bottom of support about described " Z " shape bar by screw rod, and the screw rod that is connected with frame bottom passes this bottom and connects the leader.
Further, described transmission device also comprises certain " V " shape band of length that connects described input shaft cone pulley and output shaft cone pulley.
Better, described continuously variable unit also comprises the belt pressing device of described be used to compressing " V " shape band.
Further, first takes turns described input shaft cone pulley with second profile of taking turns of output shaft cone pulley and is umbrella, described transmission device comprises mutually nested input shaft the first copper sheathing and input shaft the second copper sheathing and mutually nested output shaft the first copper sheathing and output shaft the second copper sheathing, described input shaft the second copper sheathing is tightly placed in first " umbrella handle " position of taking turns of input shaft cone pulley, described output shaft the second copper sheathing is tightly placed in second " umbrella handle " position of taking turns of output shaft cone pulley, and described input shaft the first copper sheathing links to each other by described " Z " shape bar with output shaft the first copper sheathing.
Better, first takes turns the lower surface of described input shaft the first copper sheathing and the second copper sheathing and described input shaft cone pulley and is provided with the input shaft thrust ball bearing between relative surface, and second takes turns the upper surface of described output shaft the first copper sheathing and the second copper sheathing and described output shaft cone pulley and be provided with the output shaft thrust ball bearing between relative surface.
The utility model also provides a kind of change step pitch paper guide, comprising:
The paper guide main body comprises input roller and the entrance conveyor that is driven by input roller, and outlet roller and the exit conveyor that driven by outlet roller;
Above-mentioned continuously variable unit, described input shaft is connected with described input roller, and described output shaft is connected with described outlet roller.
Further, described input shaft cone pulley and output shaft cone pulley all are divided into second takes turns, first takes turns that second centre hole inside face of taking turns is provided with groove with the output shaft cone pulley described input shaft cone pulley, be provided with keyway on described input shaft and the output shaft, first takes turns groove and output shaft cone pulley second is taken turns groove and engages the key of described input shaft keyway and output shaft keyway with described input shaft cone pulley respectively, and described input shaft cone pulley second take turns with the output shaft cone pulley first and take turns and be separately fixed on described input shaft and the output shaft; Described transmission device comprises " Z " shape bar, and first takes turns described input shaft cone pulley with described output shaft cone pulley second and take turns by this " Z " shape bar and link to each other; Described continuously variable unit also comprises support, and two ends are fixed on respectively top and the bottom of support about described " Z " shape bar by screw rod, and this bottom of passing of the screw rod that is connected with frame bottom connects the leader.
Can find out from above, a kind of continuously variable unit that the utility model provides, it is by the particular design of transmission device, and having realized continuously variable unit work and shut down in the two states all can the step-less adjustment input shaft and the transmitting ratio of output shaft, thereby realizes stepless change; The utility model also provides a kind of change step pitch paper guide, by the paper guide main body is divided into former and later two parts, and in conjunction with continuously variable unit, so that the speed of transmission of former and later two parts can relative adjustment, when anterior speed of transmission is accelerated or is slowed down, the rear portion speed of transmission is then slowed down accordingly or is accelerated, and has realized the stepless variation of step pitch of the front and rear part of paper guide.
Description of drawings
Fig. 1 is the front perspective view of the utility model embodiment continuously variable unit 2;
To be the utility model embodiment fall block diagram after the turnback with continuously variable unit shown in Figure 12 to Fig. 2;
Fig. 3 is the block diagram of the utility model embodiment after continuously variable unit shown in Figure 22 setting " V " shapes are with 4;
Fig. 4 removes input shaft the first copper sheathing 281(with reference to figure 1 in the utility model embodiment continuously variable unit) and the second copper sheathing 282(with reference to figure 1) and output shaft the first copper sheathing 291(with reference to figure 1) and the second copper sheathing 292(with reference to figure 2) front perspective view;
Fig. 5 be the utility model embodiment input shaft cone pulley first take turns 231 with the assembling scheme drawing of input shaft thrust ball bearing 31;
Fig. 6 is the overall schematic that the utility model embodiment becomes step pitch paper guide 1.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the utility model is further described.
Continuously variable unit disclosed in the utility model comprises input shaft and input shaft cone pulley on it is set, output shaft and output shaft cone pulley on it is set, and the transmission device that connects described input shaft cone pulley and output shaft cone pulley.
With reference to figure 1, be the front perspective view of the utility model embodiment continuously variable unit 2.
Wherein, described continuously variable unit 2 comprises: input shaft 21 and input shaft keyway 27 on it is set and the input shaft cone pulley first take turns 231, second takes turns 232 and be fixed in the first connecting element 233 on the described input shaft 21, be used for to connect become the paper guide main body 1(of step pitch paper guide with reference to figure 6) input roller 11(with reference to figure 6) input shaft gear 211, output shaft 22 and arrange on it the output shaft cone pulley second take turns 242, first takes turns 241 and be fixed in the second connecting element 243 on the described output shaft 22, be used for to connect become the paper guide main body 1(of step pitch paper guide with reference to figure 6) outlet roller 12(with reference to figure 6) output shaft gear 221, " Z " shape bar 26, described " Z " shape bar is separately fixed at the screw rod 262 of top and the bottom of support in two ends about in the of 26, the screw rod 262 that is connected with frame bottom passes the handle 261 that this bottom connects, first takes turns " umbrella handle " position 2311(of 231 with reference to figure 5 to be tightly placed in the input shaft cone pulley) on input shaft the second copper sheathing 282, input shaft the first copper sheathing 281 that is nested in input shaft the second copper sheathing 282 outsides and is connected with " Z " shape bar 26 1 ends, output shaft the first copper sheathing 291 that is connected with " Z " shape bar 26 other ends, belt pressing device 25, be arranged on input shaft the first copper sheathing 281 and the second copper sheathing 282 lower surface and input shaft cone pulley first take turns input shaft thrust ball bearing 31 between 231 relative surfaces.
With reference to figure 2, for the utility model embodiment falls block diagram after the turnback with continuously variable unit shown in Figure 12.
Wherein, described continuously variable unit 2 also comprises part not shown in Figure 1: the screw rod 262 that is connected with a top of the trellis, output shaft the second copper sheathing 292, be arranged on output shaft the first copper sheathing 291 and the second copper sheathing 292 upper surface and output shaft cone pulley second take turns output shaft thrust ball bearing 32 between 242 relative surfaces.
With reference to figure 3, be the block diagram of the utility model embodiment after continuously variable unit shown in Figure 22 setting " V " shapes are with 4.
Wherein, show " V " shape with 4 with the relative position of described input shaft cone pulley and output shaft cone pulley.
With reference to figure 4, for removing input shaft the first copper sheathing 281(in the utility model embodiment continuously variable unit with reference to figure 1) and the second copper sheathing 282(with reference to figure 1) and output shaft the first copper sheathing 291(with reference to figure 1) and the second copper sheathing 292(with reference to figure 2) front perspective view.
As can be seen from Figure 4, described input shaft cone pulley first take turns 231 and the output shaft cone pulley second take turns 242 profile and be umbrella.
With reference to figure 5, for the utility model embodiment input shaft cone pulley first take turns 231 with the assembling scheme drawing of input shaft thrust ball bearing 31.
Among Fig. 5, first takes turns the input shaft cone pulley of described umbrella 231 and comprise: " umbrella handle " position 2311, first takes turns groove 2313 the input shaft cone pulley, input shaft thrust ball bearing groove 2312.
In conjunction with Fig. 1 to Fig. 5, described continuously variable unit 2 mainly comprises: support, input shaft 21 and input shaft cone pulley on it is set, output shaft 22 and output shaft cone pulley on it is set, the transmission device that connects described input shaft cone pulley and output shaft cone pulley, and belt pressing device 25; Described transmission device comprises: " Z " shape bar 26, screw rod 262, handle 261, " V " shape that is used for connecting described input shaft cone pulley and described output shaft cone pulley with 4, mutually nested input shaft the first copper sheathing 281 and input shaft the second copper sheathing 282, and mutually nested output shaft the first bronze medal, 291 and output shaft the second copper sheathing 292.
Described input shaft 21 and output shaft 22 are arranged between the top and bottom of support, described input shaft cone pulley and output shaft cone pulley are divided into second and take turns, described input shaft cone pulley first take turns 231 and the output shaft cone pulley second take turns 232 centre hole inside face and be provided with groove 2313, be provided with keyway 27 on described input shaft 21 and the output shaft 22, first takes turns groove 2313 and output shaft cone pulley second is taken turns groove and engages the key of described input shaft keyway and output shaft keyway with described input shaft cone pulley respectively, so that described input shaft cone pulley first take turns 231 with the output shaft cone pulley second is taken turns 242 and can only can not rotate relative to described input shaft 21 and output shaft 22 with axially sliding up and down of output shaft 22 along described input shaft 21 respectively, and described input shaft cone pulley second take turns 232 and the output shaft cone pulley first take turns 241 and be fixed on described input shaft 21 and the output shaft 22 by the first connecting element 233 and the second connecting element 243 respectively.
Described input shaft cone pulley first take turns 231 and the output shaft cone pulley second take turns 242 profile and be umbrella (with reference to figure 4 and Fig. 5), described input shaft the second copper sheathing 282 is tightly placed in the input shaft cone pulley, and first takes turns " umbrella handle " position 2311(of 231 with reference to figure 5), in like manner, described output shaft the second copper sheathing 292 is tightly placed in the output shaft cone pulley, and second takes turns " umbrella handle " position of 242, and described input shaft the first copper sheathing 281 links to each other by described " Z " shape bar 26 with output shaft the first copper sheathing 291; Described input shaft the first copper sheathing 281 is mutually nested with 282 of input shaft the second copper sheathings, in like manner, output shaft the first copper sheathing 291 is also mutually nested with output shaft the second copper sheathing 292, so that, described input shaft cone pulley first take turns 231 with described output shaft cone pulley second is taken turns 242 and links to each other by described " Z " shape bar 26; That is: when input shaft 21 and output shaft 22 rotation, the input shaft cone pulley first take turns 231 with the output shaft cone pulley second is taken turns 242 and can freely rotate with input shaft the second copper sheathing 282 and mutually nested output shaft the first copper sheathing 291 and output shaft the second copper sheathing 292 the insides at described mutually nested input shaft the first copper sheathing 281 respectively, can carry out along axle separately again axially freely sliding up and down, realized simultaneously the input shaft cone pulley first take turns 231 and the output shaft cone pulley second take turns 242 and when rotating, can carry out up-down adjustment to it by " Z " type bar 26 again.
Described " Z " shape bar is fixed on respectively top and the bottom of continuously variable unit support in two ends about in the of 26 by screw rod 262, the screw rod 262 that is connected with frame bottom passes this bottom and connects leader 261, so that when rotating this handle 261, described " Z " shape bar 26 can move up and down accordingly, and drive described input shaft cone pulley first take turns 231 with described output shaft cone pulley second is taken turns 242 and can slide up and down simultaneously along described input shaft 21 and output shaft 22 respectively.
The lower surface and described input shaft cone pulley of described input shaft the first copper sheathing 281 and the second copper sheathing 282 first take turns between 231 relative surfaces be provided with input shaft thrust ball bearing 31(with reference to figure 5), described input shaft thrust ball bearing 31 is stuck in the described input shaft thrust ball bearing groove 2312, and its one side towards described input shaft the first copper sheathing 281 and the second copper sheathing 282 contacts with their lower surface; In like manner, the upper surface and described output shaft cone pulley of described output shaft the first copper sheathing 291 and the second copper sheathing 292 second take turns between 242 relative surfaces and be provided with output shaft thrust ball bearing 32; Described promotion input shaft thrust ball bearing 31 and the effect that promotes output shaft thrust ball bearing 32 be to reduce described input shaft copper sheathing lower surface and output shaft copper sheathing upper surface and described input shaft cone pulley first take turns 231 and the output shaft cone pulley second take turns friction force between 242 apparent surface, thereby reduce the wearing and tearing of each contact site.
Described " V " shape is the certain band of length of " V " font with 4 for cross-sectional plane, between its upper second that is connected to described input shaft cone pulley and output shaft cone pulley is taken turns, thereby connect described input shaft cone pulley and output shaft cone pulley, so that, when described input shaft cone pulley first take turns 231 with described output shaft cone pulley second takes turns 242 when can be respectively sliding up and down simultaneously along described input shaft 21 and output shaft 22, described output shaft cone pulley swinging radius diminishes with input shaft cone pulley swinging radius and the phase strain is large, perhaps becomes with input shaft cone pulley swinging radius to diminish greatly and correspondingly.
Described belt pressing device 25 is fixed on by spring between the top and bottom of described continuously variable unit 2 supports, when " V " shape with 4 through after a while work and loosening after, be used for and should " V " shape be with 4 compressions, can work.
The working process of described continuously variable unit 2 is as follows:
Power is by input shaft 21 inputs, input shaft 21 begins to rotate, band driven input shaft cone pulley first take turns 231 and the input shaft cone pulley second take turns 232 and rotate, output shaft 22 is with 4 to link to each other with input shaft 21 by " V " shape, drive and rotate thereby be transfused to axle 21, the output shaft cone pulley first take turns 241 and the output shaft cone pulley second take turns 242 and rotate thereupon.
When rotating counterclockwise handle 261, driving screw rod 262 moves downward, and then " Z " type bar 26 is moved down, by input shaft the first copper sheathing 281 and the second copper sheathing 282, promote input shaft thrust ball bearing 31 and first is taken turns 231 and passes with the input shaft cone pulley downwards, at this moment, because " V " shape is certain with 4 length, then its second is taken turns 242 and exerts pressure to the output shaft cone pulley, with its downward passing so that, it is large that the swinging radius of input shaft cone pulley becomes, corresponding the diminishing of swinging radius of while output shaft cone pulley, that is: when input speed one timing, it is large that output speed becomes immediately; Conversely, when clockwise rotating handle 261, drive screw rod 262 upward movements, and then " Z " type bar 26 is moved up, by output shaft the first copper sheathing 291 and the second copper sheathing 292, promote output shaft thrust ball bearing 32 and second is taken turns 242 and upwards passes with the output shaft cone pulley, at this moment because " V " shape is certain with 4 length, then its first is taken turns 231 and exerts pressure to the input shaft cone pulley, it is upwards passed, so that the swinging radius of input shaft cone pulley diminishes, the swinging radius phase strain of output shaft cone pulley is large simultaneously, that is: when input speed one timing, output speed diminishes immediately.
Like this, the swinging radius of input shaft cone pulley and output shaft cone pulley just can change along with moving up and down of " Z " type bar 26, all can realize the transmitting ratio of step-less adjustment input shaft 21 and output shaft 22 in continuously variable unit work and shutdown two states.
In said process, the effect of described input shaft the second copper sheathing 282 and output shaft the second copper sheathing 292 be to make described input shaft the first copper sheathing 281 and output shaft the first copper sheathing 291 can be mild with the input shaft cone pulley first take turns 231 and the output shaft cone pulley second take turns 242 and contact, make the input shaft cone pulley first take turns 231 and the output shaft cone pulley second take turns 242 when rotating, can reduce with described copper sheathing between the phase mutual friction, thereby power consumption is reduced, while is so that the action of each parts is more smooth-going, and the degree of wear of each parts also can correspondingly reduce.
In addition, be fixed on top and the belt pressing device between the bottom 17 of described continuously variable unit 2 supports by spring, when after band is with a period of time, fluffing, by pressing down this belt pressing device 17, can increase " V " shape with 4 friction force, thereby can work.
Can find out from above; a kind of continuously variable unit 2 that the utility model provides; it is by the particular design of transmission device, and having realized continuously variable unit work and shut down in the two states all can step-less adjustment input shaft 21 and the transmitting ratio of output shaft 22, thereby realizes stepless change.
It is to be noted; described input shaft the second copper sheathing 282; output shaft the second copper sheathing 292; input shaft thrust ball bearing 31; and the design of output shaft thrust ball bearing 32 is mainly in order to reduce friction; reducing the wastage, therefore is not necessary design of the present invention, and the design that reduces to rub that the those of ordinary skill of other similar the utility model technical field can be associated also belongs to protection domain of the present utility model.
The design of described " Z " shape bar 26 is also not exclusive; this pipe link also can be designed to other shapes; such as the serpentine bar etc., so long as can realize connecting the input shaft cone pulley first take turns 231 and the output shaft cone pulley second take turns 242 purpose, namely can be considered protection domain of the present utility model.
And the screw rod 262 of " Z " shape bar 26 cooperate with handle 261 make " Z " but the mode of shape bar 26 up-down adjustment; also not exclusive embodiment also; the those of ordinary skill of the utility model technical field should be understood that other similar implementations, also should belong to protection domain of the present utility model.
Adopt " Z " shape bar 26 by input shaft the first copper sheathing 281 and 291 connections of output shaft the first copper sheathing and input shaft cone pulley first take turns 231 and the output shaft cone pulley second take turns 242 design; also also not exclusive design; the those of ordinary skill of the utility model technical field will be appreciated that; ABC based on mechanical field; certainly also having other similar embodiments, also is to belong to protection domain of the present utility model.
The design of the keyway 27 on described input shaft 21 and the output shaft 22, main purpose be used to make described input shaft cone pulley first take turns 231 and the output shaft cone pulley second take turns 242 can not with its corresponding axle between carry out relative rotation, here be used for blocking the input shaft cone pulley first take turns 231 and the output shaft cone pulley second take turns 242 projection, it is rectangular also to can be designed as of giving prominence on axle, can engage equally described input shaft cone pulley first take turns 231 and the output shaft cone pulley second take turns 242 centre hole inner surface recesses, make its can not with corresponding axle between carry out relative rotation.
The first connecting element 233 and the second connecting element 243 among the embodiment are designed to annular arrangement, and clearly, this is not exclusive anchor designs also, and other similarly design, and certainly also belong to protection domain of the present utility model.
With reference to figure 6, become the overall schematic of step pitch paper guide 1 for the utility model embodiment.
Wherein, described change step pitch paper guide comprises:
Paper guide main body 1 comprises input roller 11 and the entrance conveyor that is driven by input roller 11, outlet roller 12 and the exit conveyor that is driven by outlet roller 12, and be connected power gear 14 with driving engine;
Above-mentioned continuously variable unit 2, described input shaft 21 is connected with input shaft gear by input roller gear 111 with described input roller 11 and equipment gear 13 is connected, and described output shaft 22 and described outlet roller 12 are connected with output shaft gear by outlet roller gear 121 and are connected.
As can be seen from Figure 6, described change step pitch paper guide has comprised two parts that speed of transmission is different, and anterior transmission is driven by input roller 11, and the transmission at rear portion is driven by outlet roller 12.
During described change step pitch paper guide work, driving engine is input to input roller 11 by power gear 14 with power makes it begin to rotate, input roller gear 111 begins immediately to rotate and rotates by equipment gear 13 and input shaft gear 211 band driven input shafts 21, output shaft 22 is with 4 to link to each other with input shaft 21 by " V " shape, drive and rotate thereby be transfused to axle 21, output shaft 22 drives described outlet roller 12 by output shaft gear 221 and outlet roller gear 121 and rotates; Described by regulating " Z " shape bar 26, thereby the transmitting ratio of step-less adjustment input shaft 21 and output shaft 22 are so that the transmitting ratio of input roller 11 and outlet roller 12 carries out step-less adjustment thereupon.
When wanting to accelerate the anterior speed of transmission of paper guide and slowing down the rear portion speed of transmission, corresponding left-hand revolution handle 261 then, so that the swinging radius of input shaft cone pulley reduces, the swinging radius of output shaft cone pulley increases, and then can correspondingly slow down paper guide rear portion speed of transmission; Otherwise, then can corresponding quickening paper guide rear portion speed of transmission.
As can be seen from the above, a kind of change step pitch paper guide provided by the utility model, by the paper guide main body is divided into former and later two parts, and in conjunction with continuously variable unit, so that the speed of transmission at paper guide rear portion can relative adjustment, when anterior speed of transmission was accelerated or slowed down, the rear portion speed of transmission was then slowed down accordingly or is accelerated, and has realized the stepless variation of step pitch of the front and rear part of paper guide.
It is to be noted, the mode that connects by gear between described paper guide main body 1 and the continuously variable unit 2 is not unique, can certainly be directly the end of input roller 11 and input shaft 21 be coupled together, end with outlet roller 12 and output shaft 22 couples together simultaneously, also can realize the purpose of this utility model.
In addition, the design of equipment gear 13 is not unique yet, and its number can increase and decrease voluntarily according to the design needs, as long as can realize the transmission purpose, namely is considered as the scope of the utility model protection.
Those of ordinary skill in the field are to be understood that: the above only is specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle; any modification of making, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. continuously variable unit, it is characterized in that, comprise input shaft (21) and input shaft cone pulley on it is set, output shaft (22) and output shaft cone pulley on it is set, and the transmission device that connects described input shaft cone pulley and output shaft cone pulley, described transmission device is so that input shaft cone pulley swinging radius diminishes or when becoming large, output shaft cone pulley swinging radius correspondingly becomes large or diminishes.
2. a kind of continuously variable unit according to claim 1, it is characterized in that, described input shaft cone pulley and output shaft cone pulley are divided into second and take turns, first takes turns (231) and second centre hole inside face of taking turns (242) of output shaft cone pulley is provided with groove described input shaft cone pulley, be provided with keyway (27) on described input shaft (21) and the output shaft (22), first takes turns groove (2313) and output shaft cone pulley second is taken turns groove and engages the key of described input shaft keyway and output shaft keyway with described input shaft cone pulley respectively, and described input shaft cone pulley second take turns (232) and output shaft cone pulley first taken turns (241) and is separately fixed on described input shaft (21) and the output shaft (22); First takes turns described input shaft cone pulley (231) and described output shaft cone pulley second is taken turns (242) and links to each other by described transmission device.
3. a kind of continuously variable unit according to claim 2, it is characterized in that, described transmission device comprises " Z " shape bar (26), and first takes turns described input shaft cone pulley (231) and described output shaft cone pulley second takes turns (242) by should " Z " shape bar (26) linking to each other.
4. a kind of continuously variable unit according to claim 3, it is characterized in that, described continuously variable unit also comprises support, described " Z " shape bar (26) up and down two ends is fixed on respectively top and the bottom of support by screw rod (262), the screw rod that is connected with frame bottom (262) passes this bottom and connects leader (261).
5. a kind of continuously variable unit according to claim 3 is characterized in that, described transmission device also comprises certain " V " shape band (4) of length that connects described input shaft cone pulley and output shaft cone pulley.
6. a kind of continuously variable unit according to claim 5 is characterized in that, described continuously variable unit also comprises the belt pressing device (25) of described be used to compressing " V " shape band (4).
7. a kind of continuously variable unit according to claim 3, it is characterized in that, first takes turns (231) and second profile of taking turns (242) of output shaft cone pulley is umbrella described input shaft cone pulley, described transmission device comprises mutually nested input shaft the first copper sheathing (281) and input shaft the second copper sheathing (282) and mutually nested output shaft the first copper sheathing (291) and output shaft the second copper sheathing (292), described input shaft the second copper sheathing (282) is tightly placed in first " umbrella handle " position (2311) of taking turns of input shaft cone pulley, described output shaft the second copper sheathing (292) is tightly placed in second " umbrella handle " position of taking turns of output shaft cone pulley, and described input shaft the first copper sheathing (281) links to each other by described " Z " shape bar (26) with output shaft the first copper sheathing (291).
8. a kind of continuously variable unit according to claim 7, it is characterized in that, first takes turns the lower surface of described input shaft the first copper sheathing (281) and the second copper sheathing (282) and described input shaft cone pulley and is provided with input shaft thrust ball bearing (31) between (231) relative surface, and second takes turns the upper surface and described output shaft cone pulley of described output shaft the first copper sheathing (291) and the second copper sheathing (292) and be provided with output shaft thrust ball bearing (32) between (242) relative surface.
9. one kind becomes the step pitch paper guide, it is characterized in that, comprising:
The paper guide main body comprises input roller (11) and the entrance conveyor that is driven by input roller, and outlet roller (12) and the exit conveyor that driven by outlet roller;
Continuously variable unit as claimed in claim 1, described input shaft (21) is connected with described input roller (11), and described output shaft (22) is connected with described outlet roller (12).
10. a kind of change step pitch paper guide according to claim 9, it is characterized in that, described input shaft cone pulley and output shaft cone pulley all are divided into second takes turns, first takes turns (231) and second centre hole inside face of taking turns (242) of output shaft cone pulley is provided with groove described input shaft cone pulley, be provided with keyway (27) on described input shaft (21) and the output shaft (22), first takes turns groove (2313) and output shaft cone pulley second is taken turns groove and engages the key of described input shaft keyway and output shaft keyway with described input shaft cone pulley respectively, and described input shaft cone pulley second take turns (232) and output shaft cone pulley first taken turns (241) and is separately fixed on described input shaft (21) and the output shaft (22); Described transmission device comprises " Z " shape bar (26), and first takes turns described input shaft cone pulley (231) and described output shaft cone pulley second takes turns (242) by should " Z " shape bar (26) linking to each other; Described continuously variable unit also comprises support, and described " Z " shape bar (26) up and down two ends is fixed on respectively top and the bottom of support by screw rod (262), and this bottom of passing of the screw rod that is connected with frame bottom (262) connects leader (261).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220216005 CN202643011U (en) | 2012-05-14 | 2012-05-14 | Stepless speed change device and paper carrier with variable step pitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220216005 CN202643011U (en) | 2012-05-14 | 2012-05-14 | Stepless speed change device and paper carrier with variable step pitch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202643011U true CN202643011U (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220216005 Expired - Fee Related CN202643011U (en) | 2012-05-14 | 2012-05-14 | Stepless speed change device and paper carrier with variable step pitch |
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| Country | Link |
|---|---|
| CN (1) | CN202643011U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102658999A (en) * | 2012-05-14 | 2012-09-12 | 北京印刷学院 | Stepless speed variation device and variable-pitch-step paper conveying machine |
| CN110526008A (en) * | 2019-09-25 | 2019-12-03 | 魏兰 | It is a kind of to automate quantitative cloth-winding mechanism |
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2012
- 2012-05-14 CN CN 201220216005 patent/CN202643011U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102658999A (en) * | 2012-05-14 | 2012-09-12 | 北京印刷学院 | Stepless speed variation device and variable-pitch-step paper conveying machine |
| CN102658999B (en) * | 2012-05-14 | 2014-12-31 | 北京印刷学院 | Stepless speed variation device and variable-pitch-step paper conveying machine |
| CN110526008A (en) * | 2019-09-25 | 2019-12-03 | 魏兰 | It is a kind of to automate quantitative cloth-winding mechanism |
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