Utility model content
In view of this, the present invention provides a kind of paper transports that can solve paper width and cylinder circumference and do not wait
Equipment, to solve the above technical problems.
A kind of paper transport equipment a comprising frame, the printing cylinder of a setting on said frame, Yi Jiyi
The deferred mount of a setting on said frame.The frame includes two side walls.The printing cylinder include a roller, one
A drive shaft worn on which cylinder.The drive shaft is arranged on described two side walls.On the outer surface of the roller
At least printing coatings of the arc length with a certain numerical value.The deferred mount include one be arranged in it is convex in the drive shaft
Wheel, a connecting rod moved under the actuated by cams are controlled in the connecting rod from response agency from response agency and one
Under paper support mechanism.The cam and the roller are separately positioned on the two sides of one side wall, wherein the cam
The outside of the frame is set.The connecting rod include that an one end is rotatably provided on the side wall from response agency first
Connecting rod, a pivot wheel being arranged with the other end rotary moveable of the first connecting rod, one end rotary moveable are arranged in the pivot
Second connecting rod on wheel, first returning spring being connected between the first connecting rod and second connecting rod and a limit
Make the movable position-limit mechanism of the second connecting rod.It includes the drawing triggered by the second connecting rod that the paper, which supports mechanism,
Bar, one is pulled the turntable of rotation by the pull rod, and a cross-arm being arranged on the turntable, at least two are arranged in the cross
Thimble in load.The cam is connect to drive the second connecting rod to move up and down with pivot slipping.Described first replys bullet
Spring is constantly in tensional state.The position-limit mechanism moves up and down for limiting the second connecting rod.The second connecting rod is made
The pull rod is driven to move up and down when up and down motion.The pull rod drives the turntable to rotate when moving up and down.
Drive the cross-arm rotation to drive the thimble to rotate when the turntable rotates, the free end of the thimble is with it
It is rotated between contact cylinder surface and detachment roller surface and switches.The time of the thimble detachment roller is routed to equal to paper
The time of the Printing Zone of printing coatings is coated on roller.
Further, the cam is a disc cam comprising have unloaded portion and top, when the zero load portion and
When pivot wheel abuts, the surface of the thimble detachment roller, when the top is abutted with pivot wheel, the table of the thimble and roller
Face contact is fallen on the surface of roller with supporting paper.
Further, the length of the top is set according to the occupied arc length of printing coatings on roller.
Further, the pull rod includes first pull rod and second pull rod, and first pull rod and second are drawn
Bar is contacted at square, first pull rod with second connecting rod, and second pull rod is arranged on the turntable.
Further, the ipsilateral of the turntable is arranged in cross-arm in second pull rod.
Further, the cam and roller are coaxially disposed.
Further, the connecting rod further includes second returning spring from response agency, and second returning spring is set
It sets on the side wall of the second connecting rod and frame.
Further, the direction of pull of second returning spring is opposite with the direction of pull of the first returning spring.
Compared with prior art, since the paper transport equipment has the deferred mount, replacement can be passed through
Cam adjusts time of delay, so as to so that the paper of different in width uses on the roller of same size.Simultaneously because
The presence of the deferred mount, the roller can accomplish maximum, to meet maximum sized paper, so as in an equipment
The printing of the paper of all sizes is completed, and then is improved efficiency, waste is reduced.
Specific embodiment
Specific embodiment of the utility model is further elaborated below based on attached drawing.It should be understood that
The explanation of the utility model embodiment is not used to herein to limit the protection scope of the utility model.
Fig. 1 and Fig. 2 are please referred to, is a kind of structural schematic diagram of paper transport equipment 100 provided by the utility model.Institute
Stating paper transport equipment 100 includes a frame 10, and a printing cylinder 20 being arranged on the frame 10 and one set
Set deferred mount 30 on said frame.It is envisioned that the paper transport equipment 100 further includes other some function
Energy module, such as paper feeding module drive gear module, tamping drum, paper delivery module etc., but it is practised by those skilled in the art
The technology known, details are not described herein.
The frame 10 is used to support, and sets up, above-mentioned all modules are arranged comprising two side walls 11,12.This two
The interval of side wall 11,12 setting, to install above-mentioned part of module, such as roller 20.The frame 10 can be made of metal material,
And various shape is made as needed, or open up various through-holes on described two side walls 11,12, to install above-mentioned all moulds
Block.
The printing cylinder 20 includes a roller 21, a drive shaft 22 being threaded through on the roller 21.The rolling
The perimeter of cylinder 21 can be suitable with the maximum width of normal paper, and its axial length is suitable with the maximum length of normal paper,
So as to complete the printing to maximum normal paper.Printing coatings are coated on the surface of the roller 21, printing applies
The coated area of material is calculated with the arc length of the roller 21 occupied by it, i.e., at least has on the outer surface of the described roller 21 a certain
The printing coatings of the arc length of numerical value.The value of the arc length of the printing coatings and the width of paper are suitable.When the overall circumference of roller 21 is big
When the width of the paper, then there is the outer surface of segment cylinder 21 not coat the printing coatings, then in uncoated printing
The section of coating, the deferred mount 30 should avoid being located at paper lid on the section, while again be located at the paper lid
On section coated with printing coatings.The drive shaft 22 is threaded through on the central axis of the printing cylinder 20, and is erected at described
Between the two side walls 11,12 of frame 10.Gear (not shown) is provided in the drive shaft 22, and in driving gear module and chain
Item is rotated by, so that the roller 21 be driven to rotate around the drive shaft 22.
The deferred mount 30 includes a cam 31 being arranged in the drive shaft 22, and one in the actuated by cams
The connecting rod of lower movement supports mechanism from the paper under the control of response agency 32 in the connecting rod from response agency 32 and one
33.The cam 31 is coaxially disposed with roller 21, while being rotated under the driving of the drive shaft 22.The cam 31 can be with one
A disc cams are the components with curved profile.Utilize the curved profile of the cam 31, it can control the paper
Open the working condition for supporting mechanism 33.The curved profile of the cam 31 includes a zero load portion 311 and a top 312,
I.e. when being in zero load portion 311, the paper, which will support mechanism 33, not to push up paper in stop working state, and be in and support
When portion 312, the paper, which will support mechanism 33, to be started to push up paper in start-up operation state.By designing the zero load portion 311
The paper, which can be controlled, with the ratio of top 312 supports the working time of mechanism 33 and the ratio of down time, from
And it can according to need to adjust the paper for adapting to different in width.The specific design method of the cam 31 should be this field
Technology known by technical staff can be designed that various cams 31 to meet difference according to the actual needs
Paper width requirement.
The connecting rod includes that the first connecting rod 321 on the side wall 11 is coordinated in one end rotation from response agency 32,
One pivot wheel 322 being arranged with the other end rotary moveable of the first connecting rod 321, one end rotary moveable are arranged in the pivot
Second connecting rod 323 on wheel 322, first returning spring being connected between the first connecting rod 321 and second connecting rod 323
324 and a limitation second connecting rod 323 position-limit mechanism 325.First, second connecting rod 321,323, pivot wheel
322, the first returning spring 324, position-limit mechanism 325 can be all made with metal.One end of the first connecting rod 321 is arranged in frame
On 10, the other end is connect with pivot wheel 322, that is, is connected on the axis of the pivot wheel 322.The pivot wheel 322 is abutted with the cam 31,
And it is moved in the rotary course of the cam 31.Since the shape of the cam 31 makes so, the pivot wheel 322 is in rotary course
In, it also moves up and down, to drive the first connecting rod 321 to circle with one end, while driving the second connecting rod
323 move up and down.The angle of first, second connecting rod 321,323 is obtuse angle, while first returning spring 324 1
It is directly in tensional state, therefore first, second connecting rod 321,323 there will be always the trend for reducing the angle between it,
And under the restriction effect of the position-limit mechanism 325, the second connecting rod 323 can only move up and down, therefore, described first,
Second connecting rod 321,323 can follow the contour line of the cam 31 to move.The position-limit mechanism 325 is one with box
Frame set, one end of the second connecting rod 323 are plugged in the frame set, can limit the direction of motion of the second connecting rod 323, i.e., can only
It moves up and down.In order to increase reply effect of the connecting rod from response agency 32, the connecting rod from response agency 32 further include one
A second returning spring 326, second returning spring 326 are arranged on the side wall of the second connecting rod 323 and frame 11.Together
When, the direction of pull of second returning spring 326 is opposite with the direction of pull of the first returning spring 324.Due to described second
The effect of returning spring 326 can be to avoid the second connecting rod 323 rubs excessive with position-limit mechanism 325 and stops making fortune upwards
It is dynamic.Herein it should be noted that the first, second returning spring 324,326 described in Fig. 1 and its being set to chart conveniently
Method is set to show using simple drafting method.By the design of above-mentioned link mechanism, can achieve a purpose is exactly to make institute
It states second connecting rod 323 to move up and down, to drive the paper to support mechanism 33.
It includes a pull rod 331 triggered by the second connecting rod 323 that the paper, which supports mechanism 33, and one by the pull rod
331 pull the turntable 332 of rotation, and a cross-arm 333 being arranged on the turntable 332, at least two are arranged in the cross-arm
Thimble 334 on 333.The ipsilateral of the framework 10 can be arranged in from response agency 32 with the connecting rod in the pull rod 331, but
In the present embodiment, mechanism 33, and other some function are supported from response agency 32, paper for the ease of the arrangement connecting rod
Energy module, such as driving gear module, the paper support the outside that the side wall 12 of the framework 10 is arranged in mechanism 33, therefore
The pull rod 331 includes first pull rod 3311 and second pull rod 3312, first pull rod 3311 and the second pull rod
3312 contact at square, first pull rod 3331 with second connecting rod 323, and second pull rod 3312 is arranged in the turntable
On 332.First pull rod 3311 passes through the framework 10, extends to the side wall 12.One end of second pull rod 3312
Vertical with the first pull rod 3311 to connect, the other end is arranged on turntable 332, and eccentric setting is to pull the turntable 332 to rotate.
In order to limit the direction of motion of second pull rod 3312, it can be provided with a vertical sleeve, on the side wall 12 to keep away
It is uncontrolled to exempt from the second pull rod 3312.It is envisioned that first pull rod 3311 can also be allowed movable in lever, i.e., first
When one end of pull rod 3311 is downward, the other end is upward, on the contrary then opposite.First pull rod 3311 can be with the second pull rod 3312
Hingedly, it can also be rigidly connected, but the flatness in order to guarantee mechanism, first pull rod 3311 and the second pull rod 3312 use
Articulated manner connection.One end that first pull rod 3311 is connect with the first connecting rod 323 is connected using connection type is worn,
To move up and down under the driving of the first connecting rod 323.The turntable 332 is arranged concentrically with cross-arm 333, is drawn with described second
3312 eccentric setting of bar, so as to be rotated under the pulling of the second pull rod 3312 around the cross-arm 333.333 frame of cross-arm
It is located between described two side walls, the two disk balls that can be respectively fixedly disposed on the side wall 11,12 by two are Lai complete
At the erection of the cross-arm 333.At least two thimble 334 is all in chicken head shape, top 312 and pivot wheel when the cam 31
322 when abutting, the thimble 334 contact with the surface of roller 21 with support paper make its avoid falling in roller 21 coated with printing
On the section of swabbing.And when the unloaded portion 311 of cam 31 is abutted with pivot wheel 322, the thimble 334 will be disengaged from the roller
21 surface, at this point, paper will be released under the action of paper advance mechanism so that paper is fallen on the section coated with printing coatings, and
Since printing coatings itself have certain viscosity, which will drive paper to wrap up in and be located at applying coated with printing for the roller 21
On the section of material.When a piece of paper is all rolled on the roller 21, next circulation will be entered, i.e., by the effect of cam 31
Contact thimble 334 with the surface of roller 21 again.How to be stripped as the paper being rolled on roller 21, then by wire finishing die
Block is completed, and is not the emphasis of the utility model, is known by those skilled in the art, details are not described herein.
Compared with prior art, since the paper transport equipment 100 has the deferred mount 30, can pass through
Cam 31 is replaced to adjust the time of delay, so as to so that the paper of different in width uses on the roller 21 of same size.
Simultaneously because the presence of the deferred mount 30, the roller 21 can accomplish maximum, to meet maximum sized paper, so as to
It to complete the printing of the paper of all sizes in an equipment, and then improves efficiency, reduces waste.
The above is only the preferred embodiments of the utility model, are not used to the limitation protection scope of the utility model, any
Modification, equivalent replacement or improvement within the spirit of the present invention etc. are all covered in the scope of the claims of the utility model.