Only realize that folding and unfolding band operates simultaneously by a driving mechanism the technical problem to be solved in the present invention is to provide a kind of
And can automatic tension adjusting for wind strip folding and unfolding band mechanism.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
The retraction driving gear for being used to wind strip of the present invention, including the interval setting that is fixed in rack and is mutually parallel
Take-up spool component and put spool of tape component, it is characterised in that：The take-up spool component is identical with putting spool of tape component,
Include drive component, linkage board, middle drive axis, fixing sleeve and the strip reel of coaxial arrangement, wherein,
Drive component rear end is connect with linkage board, and front end connects with fixing sleeve, and drive component imparts power to linkage
Linkage board is nested with and is fixed in the middle rear end for driving axis；
The middle front end for driving axis passes through the axial internal channel of drive component, fixing sleeve and the strip reel to be fixed in the strip
The outer end of reel, it is middle drive axis and strip reel between be equipped with make strip reel can only be driven in this axis be unidirectionally freely rotated it is unidirectional
Driven gear and the drive component for putting spool of tape component in the drive component of the take-up spool component
In driven gear between be equipped with the driving gear that is meshed respectively with two driven gears.
The driving component is made of the driven gear and driving spring, and driven gear is axial by integrally formed and tool
Sleeve part and the gear part composition of through-hole, the driving spring is helical spring, and tight fit is nested on the outer wall of sleeve part,
The rear hook portion of driving spring is hooked on the linkage board；The driving spring in take-up spool component curl up direction with
The take-up direction of rotation of driven gear in the take-up spool component is on the contrary, put the rotation of the driving spring in spool of tape component
Put around direction with this driven gear in spool of tape component to put band direction of rotation identical.
The position-limiting drum with medium pore is additionally provided between the fixing sleeve and strip reel, the cylinder bottom of position-limiting drum is socketed in institute
The forepart of fixing sleeve is stated, the nozzle portion of position-limiting drum is opening, and main spring, the rear hook portion of main spring are equipped in the position-limiting drum
It is hooked in the hook spring hole on the cylinder bottom of the position-limiting drum, the preceding shackle of main spring is nested in the rear limit plate for being set to strip reel
On determine on spring column；It is equipped on the inside of the barrel of position-limiting drum and constrains the limited block that the rear limit plate rotates freely.
The fixing sleeve axial cross section shape be horizontal I-shaped, be made of back plate, axle sleeve and foreboard, back plate with
Axle sleeve is integrally formed, and the axle sleeve is set in the location hole being set on frame plate；The rear side of back plate is the boss of circular ring shape,
The boss can be inserted into the front-side holes of the driven gear, and the front end of axle sleeve passes through the cylinder bottom of the position-limiting drum and the preceding board
It is connected together, is equipped with damping spring between frame plate and position-limiting drum on the axle sleeve.
The rear limit plate shape of the strip reel be more than semicircle arch, bowed string side with it is described in position-limiting drum
Limited block is oppositely arranged, and the rear rear side for limiting plate is equipped with the convex-dished sleeve of circular ring shape, and the main spring is nested on the convex-dished sleeve, institute
Strip reel is stated to be mounted in the position-limiting drum in a manner that main spring screws at least one circle.
It can just make take-up spool component present invention only requires a power-driven mechanism and put thin in spool of tape component
Band reel bidirectional-movement (rotation and the adjustment for strip tensile force that normally wind or unreel direction), meanwhile, can be thin
The rotation of band reel twocouese provides damping and turning power, it is ensured that strip is continuous, does not wrinkle, and control program is simple, and machine dimensions are small.
As shown in Figure 1, the present invention for wind strip retraction driving gear be suitable for it is various to wide cut thin strip into
In the industry of row deep processing, such as dyeing preparation of piece goods, thermal transfer printer, sheet metal and sheet iron industry, such strip is carried out
The transport mechanism used is wound and unreeled, i.e., the strip of entire volume is sleeved on putting on tape spool, then will be before the strip for unreeling structure
Portion is fastened on the take-up spool of rolling-up mechanism, and rotating take-up spool by driving mechanism makes strip gradually be wrapped on rolling-up mechanism,
During one puts a receipts, two are carried out to the strip by the deep processing machine being set between unreeling structure and rolling-up mechanism
Secondary processing (such as on cloth impressing pattern, the printing character pattern and on sheet metal on the printing consumables of template or cast
Carve characters, print or hollow out etc.).
The folding and unfolding tape-feed by take-up spool component 200, put spool of tape component 300 and driving mechanism forms, take-up volume
It shaft assembly 200 and puts spool of tape component 300 and is each attached in the rack of the folding and unfolding tape-feed, be spaced and be mutually parallel therebetween and set
It puts, it is take-up spool component simultaneously that the driving mechanism, which is set to take-up spool component 200 and puts between spool of tape component 300,
200 provide driving force with spool of tape component 300 is put.
The driving mechanism is made of driving gear 100 and the driving motor that driving gear 100 is driven to rotate.
The take-up spool component 200 is identical with putting 300 structure of spool of tape component, as shown in Figure 2,3, includes coaxial
Drive component, linkage board 1, fixing sleeve 5, position-limiting drum 6, middle drive axis 9 and the strip reel 8 of setting.
1st, drive component
Drive component is made of driven gear 2 and driving spring 3, and driven gear 2 is by integrally formed gear part 21 and cylinder
Axle portion 22 is formed, and axially extending bore 91 is equipped on the driven gear 2, around the axially extending bore 91 on the leading flank of gear part 21
Equipped with the circular-shaped, concave cavity (not shown) inwardly concaved, abbreviation front-side holes (by taking Fig. 1 directions as an example, before 8 side of strip reel is,
After 1 side of linkage board is, similarly hereinafter).
Gear part 21 is meshed with the driving gear 100.
The driving spring 3 is helical spring, and tight fit is nested on the outer wall of cylinder axle portion 22, after driving spring 3
Hook portion 71 is hooked on the linkage board 1.
The axially extending bore 91 is the middle hole driven axis 9 and passed through.
The present invention uses：
When drive component is the component in take-up spool component 200, driving spring 3 therein curls up direction and the receipts
The take-up direction of rotation of driven gear 2 in spool of tape component 200 on the contrary, i other words：If the driven gear 2 to revolve clockwise
When turning direction take-up, driving spring 3 thereon is made to curl up counterclockwise.
When drive component is to put the component in spool of tape component 300, the direction of curling up of driving spring 3 therein is put with this
Driven gear 2 in spool of tape component 300 to put band direction of rotation identical, i other words：If the driven gear 2 to revolve clockwise
When turning direction and putting band, driving spring 3 thereon is made to curl up clockwise.
The advantages of structure is：
When the resistance of take-up spool (being the strip reel 8) described strip of retracting increases suddenly, take-up spool
Driven gear 2 in component 200 can still be rotated, if not reducing receipts at this time under the driving of driving mechanism with the angular speed of setting
Speed is rolled up, then very likely causes strip stress stretching transition and damages or be broken.
And the above structure of the present invention can avoid the occurrence of drawbacks described above, i.e., in the resistance increase that take-up spool is subject to, by
Direction is curled up in 2 direction of rotation of driven gear and driving spring 3 on the contrary, the resistance that take-up spool is subject to passes through the middle drive axis 9
Driving spring 3 (because the back hook part 31 of the driving spring 3 is hooked on the linkage board 1) is passed to first, makes the driving spring 3
It generates circumferentially and the outer tension opposite with take-up spool direction of rotation, even if the cylinder axle portion of the driving spring 3 and driven gear 2
It is loosened between 22, makes 2 appropriateness idle running (skidding in 3 spring coil of driving spring) of driven gear, reach the rotation for reducing take-up spool
The purpose of rotary speed avoids causing drawbacks described above as a result,.
And for putting for spool of tape component 300, it is exactly the opposite, i.e., after take-up spool dashes forward the larger resistance of chance because of strip,
The power that spool of tape (being also the strip reel 8) passes to the driving spring 3 put in spool of tape component 300 is put, this can be made
Coordinate force increase tightening between driving spring 3 and the cylinder axle portion 22 for accepting its driven gear 2, that is, driving mechanism passes to
The gearratio increase of spool of tape is put, with this, further reduces the resistance of take-up spool.
2nd, linkage board 1
Linkage board 1 is a circular slab, is equipped with solid axis hole 11 at its center, which is discount vibram outlet hole, on linkage board 1
The position of adjacent periphery is equipped with spring hole 12, and the middle rear end adaptation for driving axis 9 is fixed in the discount vibram outlet hole, the driving bullet
The back hook part 31 of spring 3 is hooked on the spring hole 12.
3rd, fixing sleeve 5
As shown in Figure 3,4, fixing sleeve 5 is placed between driven gear 2 and position-limiting drum 6.
5 axial cross section shape of fixing sleeve is horizontal I-shaped, is made of back plate 51, axle sleeve 52 and foreboard 53, after
Plate 51 and axle sleeve 52 are integrally formed, axially extending bore 91 are equipped on fixing sleeve 5, the axle sleeve 52, which is set in, is set to frame plate 4
On location hole in；The rear side of back plate 51 is the boss 55 (shown in Figure 5) for surrounding the axially extending bore 91 and being circular ring shape, should
Boss 55 can be embedded in the front-side holes being set on driven gear 2, be in rotate freely between the boss 55 and the front-side holes
The front end of axle sleeve 52 passes through the position-limiting drum 6 to be fixed together with the foreboard 53 using 54 clamping of Clip Reed.
Damping spring 56 is equipped between frame plate 4 and position-limiting drum 6 on the axle sleeve 52.
4th, position-limiting drum 6
Position-limiting drum 6 is between the fixing sleeve 5 and strip reel 8.
Position-limiting drum 6 is made of cylinder bottom 61 and barrel 64, is socketed in the forepart of the fixing sleeve 5, and the nozzle portion of position-limiting drum 6 is
Opening is equipped with axially extending bore 91 on cylinder bottom 61.
Main spring 7 is equipped in the position-limiting drum 6, the rear hook portion 71 of main spring 7 is hooked on the cylinder bottom 61 of the position-limiting drum 6
On hook spring hole 62 in, the preceding shackle 72 of main spring 7 is nested with determines spring column 82 on the rear limit plate 81 of strip reel 8 is set to
On, thus position-limiting drum 6 and strip reel 8 are linked together by means of the main spring 7.
The limited block 63 for constraining the rear limit plate 81 and rotating freely is equipped in 64 inside of barrel of position-limiting drum 6.
Notch 65 is provided on the barrel 64 of position-limiting drum 6, the effect of the notch 65 is that the Clip Reed 54 is facilitated to be inserted into
It is connected on the front end of axle sleeve 52 in the position-limiting drum 6.
5th, strip reel 8
Strip reel 8 is made of the rear limit plate 81 and cylinder axis 84.
The shape of limit plate 81 is the arch more than semicircle, bowed string side and the limited block 63 on position-limiting drum 6 afterwards
It being oppositely arranged, the rear rear side for limiting plate 81 is equipped with the convex-dished sleeve 83 of circular ring shape, and the main spring 7 is nested on the convex-dished sleeve 83,
When the strip reel 8 and the position-limiting drum 6 are assembled together, the strip reel 8 is screwed at least one circle with main spring 7
Mode be mounted on the position-limiting drum 6 in.
Cylinder axis 84 is equipped with entrainment structure, is used for tightening strip being fixed thereon.
Internal channel in an axial direction is equipped on strip reel 8.
6th, middle drive axis 9
Middle drive axis 9 is a root long axis, and its rear end is fixed on the linkage board 1, front end pass through the driven gear 2,
Axially extending bore 91 on fixing sleeve 5, limiting plate, then stretched out by the axial internal channel on strip reel 8, it is bolted,
Drive component, fixing sleeve 5, limiting plate, strip reel 8 are linked together as a result,.
Across unilateral bearing 92 is equipped on the middle drive axis 9 being placed in the axial internal channel, which can
Strip reel 8 is made only can to drive axis 9 in this to be unidirectionally freely rotated.
The present invention power transmission process be：Driving mechanism biography-driven gear 2- driving springs 3- the linkage boards
Axis 9- unilateral bearing 92- take-ups are driven in 1- or put spool of tape-strip reel 8.
Concrete operating principle is following, and (by taking Fig. 1 as an example, it is take-up spool component 200 to set right side, and left side is to put band volume
Shaft assembly 300)：
1st, assume that the driving motor driving driving gear 100 in driving mechanism is counterclockwise (using Fig. 1 directions as reference, under
It is counterclockwise when looking up) rotation, take-up spool component 200 and the driven gear 2 put in spool of tape component 300 then revolve clockwise
2nd, driven gear 2 drives driving spring 3 that linkage board 1 is driven to turn in the same direction due to the tight fit between driving spring 3
It is dynamic；
3rd, linkage board 1 with middle drive because driving drive axis 9 in this to rotate in same direction when 9 rear end of axis is fixedly connected；
4th, middle drive axis 9 drives strip reel 8 to rotate in same direction by unilateral bearing 92.
5th, it will be wound in take-up spool component 200 on strip reel 8 of the strip by putting spool of tape component 300 as a result,
On strip reel 8.
The strip being connected in take-up spool component 200 reel 8 can be overcome by such as lower structure therebetween and puts spool of tape group
The tension imbalance and each strip reel 8 of the strip between 8 axis of strip reel in part 300 are along the middle drive axis 9 in its component
The power axially generated unbalanced problem：
1st, the damping spring 56 makes to generate certain pressure between position-limiting drum 6 and fixing sleeve 5, in position-limiting drum 6 and admittedly
Set it that can be provided for strip lasting and constant with certain frictional force, the frictional force in relative rotation between set 5 surely
2nd, the setting of a circle is screwed by the main spring 7, makes to generate centainly between strip reel 8 and position-limiting drum 6
Back stretch, benefit are strip to be kept to be in the state tightened constantly, are avoided due to problem of crumpling caused by strip excessively pine.
3rd, unilateral bearing 92 is set between strip reel 8 and middle drive axis 9, you can make strip reel 8 normal in middle drive axis 9
Rotating Vortex during rotation, and can be moved when the tension to strip is needed to be adjusted by hand switch, make between two thin coiled stocks
Strip between axis is in best tensioning state.
4th, the driven gear 2 in take-up spool component 200 is connected together with driving spring 3, by driven gear 2
Cylinder axle portion 22 and driving spring 3 between tight fit come drive linkage board 1 and it is middle drive axis 9, meanwhile, by take-up spool component
The coiling direction of direction of rotation and driving spring 3 when driven gear 2 in 200 is wound is set as on the contrary, it can be rolled up in take-up
When shaft assembly 200 drives strip resistance excessive, adjust automatically simultaneously reduces rolling speed of the take-up spool component 200 to strip,
So as to avoid breaking strip.