A kind of guide plate servo fixed length feeding device
Technical field
The present invention relates to machinery equipment field, more specifically, it relates to a kind of guide plate servo fixed length feeding device.
Background technology
Punching machine feeding in the prior art mostly uses greatly manual feeding, and working efficiency is low and very dangerous, due to feeding
Position is inaccurately also possible to mold damage and reduces product quality;Minority uses the feed device by motor, speed reducer drive, but
There is a problem of hardly possible synchronous with punching machine;Also have using Pneumatic feeder, but maintenance cost is high, takes up a large area, using effect is poor.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of guide plate servo fixed length feeding device,
The device can synchronize feeding to punching machine, improve the processing efficiency of punching machine.
To achieve the above object, the present invention provides following technical solutions:A kind of guide plate servo fixed length feeding device, including
There are discharge mechanism and stock support and controller, driving wheel and driven wheel, the master are rotatably connected on the stock support
Driving wheel and driven wheel are arranged in an axially parallel mode, and the driving electricity for driving driving wheel to rotate is additionally provided on the stock support
Machine, driving wheel and driven wheel are held on the opposite sides of plank respectively, driving motor drive driving wheel will be held on driving wheel and
Plank between driven wheel is pushed to processing side;The plank for detecting discharge mechanism releasing is provided on the stock support
First group of photoelectric sensor apart from ground level and second group of photoelectric sensor, first group of photoelectric sensor and second group
Photoelectric sensor is respectively positioned on the side close to discharge mechanism on stock support, and is communicated to connect with controller, described first
Group photoelectric sensor is located above second group of photoelectric sensor, and second group of photoelectric sensor is located on stock support closely
The one end in face;The plank that discharge mechanism is released during releasing plank can be between discharge mechanism and stock support at V
Character form structure and its bottom is earthward close, when the plank being released is detected by second group of photoelectric sensor, second group
Photoelectric sensor sends the signal for stopping discharge mechanism and continuing blowing to controller, or when the plank being released is by first group of photoelectricity
When sensor detects, first group of photoelectric sensor sends the signal for allowing discharge mechanism to continue blowing to controller, or works as and put
When the plank gone out cannot be detected by first group of photoelectric sensor, first group of photoelectric sensor allows discharge mechanism to controller transmission
Improve the signal of dispensing speed, until first group of photoelectric sensor detects the plank being released, first group of photoelectric sensor to
Controller sends the signal for allowing discharge mechanism to be restored to default dispensing speed.
The present invention is further arranged to:The driving wheel and driven wheel are provided with two groups, and are arranged along panel length direction
Row setting, one end of two driving wheels is respectively connected with synchromesh gear, synchronous belt, driving motor band is arranged on two synchromesh gears
Another driving wheel rotates synchronously under the drive of synchronous belt when dynamic driving wheel rotation;The synchromesh gear is sheathed on actively
On the mandrel for taking turns one end, the synchromesh gear is coaxially arranged with for the perforative step groove of mandrel, and being embedded in the step groove can
It is tensioned to the tensioning sleeve of step groove inner wall, the deformation slot of tensioning sleeve side is provided through on the side wall of the tensioning sleeve, it is described
The open end of step groove, which abuts, to be useful for the distracted tightening hoop of tensioning sleeve, is provided in pluggable tensioning sleeve on the tightening hoop
Cambridge ring, the deformation slot of cambridge ring side is provided through on the side wall of the cambridge ring, is additionally provided on the tightening hoop
For the draw bolt by tensioning sleeve to one layback of tightening hoop, the screw hole being spirally connected for draw bolt is provided on the tensioning sleeve;
Tensioning sleeve and tightening hoop are embedded in step groove after being sheathed on mandrel and are sheathed on mandrel by synchromesh gear successively, are led in rotation
When drawing bolt and drawing tensioning sleeve to tightening hoop, cambridge ring gradually collapses in tensioning sleeve, and tensioning sleeve is in the support of cambridge ring
It is lower gradually to open, until synchromesh gear is fixed on mandrel.
The present invention is further arranged to:It is provided with the lifting seat installed for driven wheel on the stock support, and is used for
Drive lifting seat closer or far from the slipping mechanism of driving wheel, the driven wheel is rotationally connected on lifting seat towards driving wheel
Side, the lifting seat are provided with guide rod away from the side of driven wheel, are provided on the stock support and run through for guide rod
Guide sleeve, slipping mechanism drive lifting seat along the direction that guide rod axially slides in guide sleeve sliding be arranged in stock support
On.
The present invention is further arranged to:The slipping mechanism includes the sliding motor being set on stock support, and solid
Adjusting screw rod that is fixed that the adjustment barrel for deviating from driven wheel side is set on lifting seat, and being bolted in adjustment barrel, adjusting screw rod
The one end for extending adjustment barrel and the output end for sliding motor are fixedly connected with mating cone pulley, are arranged between mating cone pulley
There is transmission belt, when adjusting screw rod is driven rotation by sliding motor by cone pulley and transmission belt, adjusting screw rod rotates in adjustment barrel
To drive lifting seat to be slid along the direction that guide rod axially slides in guide sleeve.
The present invention is further arranged to:It is provided on the stock support for supplying first group of photoelectric sensor and second group
The induction connecting seat of photoelectric sensor installation, the induction connecting seat can adjust residing height along the short transverse of stock support,
Described its short transverse of stock support upper edge is disposed with several connecting holes, and the bottom of the induction connecting seat is provided with can be with
The connecting rod that connecting hole is spirally connected.
The present invention is further arranged to:The delivery end of the driving motor is provided with the buffer of connection driving wheel, described
Buffer includes the axle sleeve and main shaft of coaxial arrangement, and the driving motor is fixedly mounted on by axle sleeve on stock support, institute
State and be arranged with bearing on main shaft, and be rotatablely connected in axle sleeve, the both ends of the main shaft by shaft coupling respectively with driving
The delivery end of motor and the mandrel of driving wheel are fixedly connected.
The present invention is further arranged to:The feed end and/or discharge end of the stock support are provided with for limiting plank
The position-limit mechanism to swing, the position-limit mechanism include be set to strip width direction both sides two position-limited wheels and two
Bottom plate is limited, two position-limited wheels are rotationally connected with respectively on two limit bottom plates, and two limit bottom plates can be opposite close or remote
From sliding be arranged on stock support, be bolted on the stock support for lock limit bottom plate fastening screw, it is described
It is provided with for the perforative kidney slot of fastening screw on limit bottom plate;Fastening screw is screwed onto stock support after passing through kidney slot
On, two limit bottom plates will limit when can be screwed into bottom along the sliding close to each other or separate of the length direction of kidney slot, fastening screw
Position bottom plate locking is on stock support;The position-limited wheel being rotatablely connected on limit bottom plate contacts at the side of plank and with plank
Sliding and rotate.
The present invention is further arranged to:The discharge mechanism includes the raw material frame placed for plank coiled strip, and is used for
The straightening machine of flattening plate, the straightening machine include for plank by correction channel and be located at correction channel above and below two
The correction wheel of side, correction wheel squeeze the plank in correction channel smooth;The correction channel is obliquely installed along its length,
The correction channel, which is higher than to be rotatablely connected on one end of stock support, the straightening machine close to one end of raw material frame, to be useful for
The support wheel of plank is carried, there are two the support wheel settings and is located at the head and end in correction channel, on straightening machine
Support wheel close to raw material frame is by the feed end for slightly above correcting channel of plank support, holding close to stock support on straightening machine
Support roller by plank support slightly above correct channel discharge end.
The present invention is further arranged to:The raw material frame includes bearing seat and the carrying that is rotationally connected on bearing seat
Wheel, it axially slides connection there are two limit for width part to the bearing wheels upper edge, and plank coiled strip is set around in the circumferential side wall of bearing wheels
When limit for width part contact at the both sides in strip width direction;If being convexly equipped with along its length on the outer circumferential wall of the bearing wheels
Dry carrying boss, the opposite sides of the carrying boss along its length are convexly equipped with convex edge, and the convex edge and carrying are convex
The cross section of platform along its length is bent into V-shaped structure setting, institute at T-shaped structure setting, the limit for width part by rod piece
The rod piece both ends for stating limit for width part are respectively provided with crotch due to living convex edge for fastener, and limit for width part is held on opposite the two of carrying boss
Side, and be buckled on the both sides convex edge of carrying boss by two crotches of open end, crotch can be along the length direction of convex edge
Sliding.
The present invention is further arranged to:The outer circumferential face camber structure setting of the carrying boss, the carrying boss
The arc radius size of lateral surface is not more than the radius size of bearing wheels.
In conclusion the invention has the advantages that:Feed device can carry out punching machine friction feeding at the uniform velocity,
The setting of two groups of photoelectric sensors can enable the plank between discharge mechanism and stock support be continuously in a certain amount, Bu Huiduo
It will not lack, stock support can be transported on punching machine in time, at the uniform velocity, effectively by plank, to realize automatic metaplasia
Production, improves work efficiency the safety with worker's operation.
Description of the drawings
Fig. 1 is a kind of dimensional structure diagram of guide plate servo fixed length feeding device;
Fig. 2 is the structural schematic diagram under feed device use state;
Fig. 3 is stock support sectional perspective structural schematic diagram(It is mainly shown as at driving wheel and driven wheel assembly);
Fig. 4 is the cross-sectional view of Fig. 3;
Fig. 5 is the portions A enlarged structure schematic diagram in Fig. 4;
Fig. 6 is the dimensional decomposition structure diagram of tensioning sleeve and tightening hoop;
Fig. 7 is the cross-sectional view of slipping mechanism;
Fig. 8 is the dimensional structure diagram of bearing wheels.
Reference numeral:1, discharge mechanism;11, raw material frame;111, bearing seat;112, bearing wheels;1121, boss is carried;
1122, convex edge;113, limit for width part;1131, crotch;12, straightening machine;121, channel is corrected;122, support wheel;2, stock support;
21, driving motor;211, driving wheel;22, driven wheel;23, incude connecting seat;24, first group of photoelectric sensor;25, second group
Photoelectric sensor;26, synchromesh gear;261, step groove;262, tensioning sleeve;2621, deformation slot;2622, screw hole;263, it is tensioned
Ring;2631, cambridge ring;2632, slot is deformed;264, draw bolt;27, synchronous belt;28, lifting seat;281, guide rod;29, it leads
To set;3, slipping mechanism;31, motor is slid;32, adjustment barrel;33, adjusting screw rod;34, cone pulley;35, transmission belt;4, buffer;
41, axle sleeve;42, main shaft;43, bearing;44, shaft coupling;5, position-limit mechanism;51, position-limited wheel;52, bottom plate is limited;521, kidney-shaped
Slot;53, fastening screw.
Specific implementation mode
With reference to the accompanying drawings and examples, the present invention is described in more detail.Wherein identical parts are with identical
Reference numeral indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down"
Refer to that the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements
The direction of geometric center.
Referring to Fig.1 shown in -8, a kind of guide plate servo fixed length feeding device, include discharge mechanism 1 and stock support 2 and
Controller, the controller can be programmable controller, and driving wheel 211 and driven wheel 22 are rotatably connected on stock support 2, main
Driving wheel 211 and driven wheel 22 are arranged in an axially parallel mode, and the drive for driving driving wheel 211 to rotate is additionally provided on stock support 2
Dynamic motor 21, driving wheel 211 and driven wheel 22 are held on the opposite sides of plank respectively, and driving motor 21 drives driving wheel 211
The plank between driving wheel 211 and driven wheel 22 will be held on to push to processing side, automated production is advantageously implemented, improves
The safety of worker's operation.
First group photoelectricity of the plank for detecting the releasing of discharge mechanism 1 apart from ground level is provided on stock support 2
Sensor 24 and second group of photoelectric sensor 25, first group of photoelectric sensor 24 and second group of photoelectric sensor 25 are respectively positioned on feeding
It close to the side of discharge mechanism 1 on holder 2, and is communicated to connect with controller, first group of photoelectric sensor 24 is located at second
25 top of group photoelectric sensor, second group of photoelectric sensor 25 are located at one end close to ground on stock support 2.
The plank that discharge mechanism 1 is released during releasing plank can between discharge mechanism 1 and stock support 2 at
V-shaped structure and its bottom is earthward close, when the plank being released is detected by second group of photoelectric sensor 25, second
Group photoelectric sensor 25 sends the signal for stopping discharge mechanism 1 and continuing blowing to controller, or when the plank being released is by first
When group photoelectric sensor 24 detects, first group of photoelectric sensor 24 sends the letter for allowing discharge mechanism 1 to continue blowing to controller
Number, or when the plank being released cannot be detected by first group of photoelectric sensor 24, first group of photoelectric sensor 24 is to control
Device sends the signal for allowing discharge mechanism 1 to improve dispensing speed, until first group of photoelectric sensor 24 detects the plank being released,
First group of photoelectric sensor 24 sends the signal for allowing discharge mechanism 1 to be restored to default dispensing speed to controller.
Friction feeding at the uniform velocity can be carried out to punching machine by the feed device of above structure, and two groups of photoelectric sensors are set
Setting can enable the plank between discharge mechanism 1 and stock support 2 be continuously in a certain amount, will not will not mostly lack, and allow feeding
Holder 2 can be transported on punching machine in time, at the uniform velocity, effectively by plank, to realize automated production, improve work effect
The safety of rate and worker's operation.
Driving wheel 211 and driven wheel 22 are provided with two groups, and are arranged along panel length direction, two driving wheels
211 one end is respectively connected with synchromesh gear 26, and synchronous belt 27 is arranged on two synchromesh gears 26, and driving motor 21 drives one
Another driving wheel 211 rotates synchronously under the drive of synchronous belt 27 when driving wheel 211 rotates.It is provided with two groups of driving wheels 211
Driving wheel 211 is increased with driven wheel 22 and the area of plank is clamped in driven wheel 22, is conducive to improve driving wheel 211 and driven wheel
The degree of stability that 22 clamping band movable plate materials are conveyed to punching machine, and two groups of driving wheels 211 and driven wheel 22 pass through a driving electricity
Machine 21 coordinates synchromesh gear 26 and synchronous belt 27 to drive, and realizes operating synchronously for two groups of driving wheels 211 and driven wheel 22, not only
Equipment energy consumption is advantageously reduced, while further improving two groups of driving wheels 211 and 22 clamping band movable plate material of driven wheel to punching machine
The degree of stability of conveying avoids one fast one from causing plank impaired slowly.
Synchromesh gear 26 is sheathed on the mandrel of 211 one end of driving wheel, and synchromesh gear 26 is coaxially arranged with to be run through for mandrel
Step groove 261, be embedded with the securable tensioning sleeve 262 in 261 inner wall of step groove, the side wall of tensioning sleeve 262 in step groove 261
On be provided through the deformation slot 2621 of 262 side of tensioning sleeve, the open end of step groove 261, which abuts, to be useful for tensioning sleeve 262
Distracted tightening hoop 263, the cambridge ring 2631 being provided on tightening hoop 263 in pluggable tensioning sleeve 262, the side of cambridge ring 2631
The deformation slot 2632 of 2631 side of cambridge ring is provided through on wall, be additionally provided on tightening hoop 263 for by tensioning sleeve 262 to
The draw bolt 264 of 263 1 layback of tightening hoop is provided with the screw hole 2622 being spirally connected for draw bolt 264 on tensioning sleeve 262;Together
Tensioning sleeve 262 and tightening hoop 263 are embedded in step groove 261 after being sheathed on mandrel and are sheathed on mandrel by step gear 26 successively
On, when rotation draw bolt 264 draws tensioning sleeve 262 to tightening hoop 263, cambridge ring 2631 is gradually received in tensioning sleeve 262
Hold together, and tensioning sleeve 262 gradually opens under the support of cambridge ring 2631, until synchromesh gear 26 is fixed on mandrel.Together
Step gear 26 fixed installation be achieved a fixed connection by the radial contraction and expansion of tightening hoop 263 and tensioning sleeve 262, and
And tightening hoop 263 and tensioning sleeve 262 can be made of metal, tightening hoop 263 can be reduced by deforming slot 2632 and deformation slot 2621
With the machining accuracy of tensioning sleeve 262, make the structure using firm, can avoid synchromesh gear 26 using long afterwards with driving wheel
211 mandrel generates the phenomenon that loosening, is conducive to the use degree of stability for keeping synchromesh gear 26.
Be provided with the lifting seat 28 installed for driven wheel 22 on stock support 2, and for driving lifting seat 28 close or
Slipping mechanism 3 far from driving wheel 211, driven wheel 22 are rotationally connected on lifting seat 28 towards the side of driving wheel 211, lifting
Seat 28 is provided with guide rod 281 away from the side of driven wheel 22, is provided on stock support 2 for 281 perforative guiding of guide rod
Set 29, slipping mechanism 3 drives lifting seat 28, and along the direction that guide rod 281 axially slides in guide sleeve 29, sliding is arranged in feeding
On holder 2.Slipping mechanism 3 can drive lifting seat 28 closer or far from driving wheel 211, so as to the plank to different-thickness
It is effectively clamped, expands the scope of application of stock support 2, while also can be by slipping mechanism 3 to 28 distance of lifting seat
Adjusting to realize the clamping force adjustment to plank for 211 distance of driving wheel, is conducive to enable feed device realization lossless to plank
Conveying.
Slipping mechanism 3 includes the sliding motor 31 being set on stock support 2, and is fixed on lifting seat 28 and carries on the back
Adjustment barrel 32 from 22 side of driven wheel, and the adjusting screw rod 33 that is bolted in adjustment barrel 32, adjusting screw rod 33 extend tune
The one end for saving cylinder 32 and the output end for sliding motor 31 are fixedly connected with mating cone pulley 34, are arranged between mating cone pulley 34
There is transmission belt 35, when adjusting screw rod 33 is driven rotation by sliding motor 31 by cone pulley 34 and transmission belt 35, adjusting screw rod 33 exists
Rotation is to drive lifting seat 28 to be slid along the direction that guide rod 281 axially slides in guide sleeve 29 in adjustment barrel 32.Sliding
Motor 31 drives adjusting screw rod 33 to drive about 28 lifting seat to slide during rotation in adjustment barrel 32, which is to pass through
What the matching thread between adjusting screw rod 33 and adjustment barrel 32 was realized, and after lifting seat 28 is adjusted in place, 33 He of adjusting screw rod
Matching thread between adjustment barrel 32 has self-locking function, can prevent the sliding up and down during the work time of lifting seat 28, to
Be conducive to improve driving wheel 211 and the degree of stability of plank is clamped in driven wheel 22.
The sense for being installed for first group of photoelectric sensor 24 and second group of photoelectric sensor 25 is provided on stock support 2
Answer connecting seat 23, induction connecting seat 23 that can adjust residing height, its height of 2 upper edge of stock support along the short transverse of stock support 2
Degree direction is disposed with several connecting holes, and the bottom of induction connecting seat 23 is provided with the connecting rod that can be spirally connected with connecting hole.Two
The setting of group photoelectric sensor is for detect the plank surplus controlled between discharge mechanism 1 and stock support 2, therefore by two groups of light
Electric transducer, which realizes that height is adjustable, can realize the adjustable of plank surplus between discharge mechanism 1 and stock support 2, convenient for punching machine plus
Feed device can keep uniformly and effectively conveying when work different length part.
The delivery end of driving motor 21 is provided with the buffer 4 of connection driving wheel 211, and buffer 4 includes coaxial arrangement
Axle sleeve 41 and main shaft 42, driving motor 21 be fixedly mounted on stock support 2 by axle sleeve 41, be arranged with bearing on main shaft 42
43, and the rotation connection in the axle sleeve 41, the both ends of main shaft 42 pass through the delivery end with driving motor 21 respectively of shaft coupling 44
And the mandrel of driving wheel 211 is fixedly connected.Buffer 4 is mainly used for the damage for playing buffering radial forces to driving motor 21
Wound, the radial forces can be that driving wheel 211 and driven wheel 22 draw the play generated when plank, therefore buffer 4 is conducive to
Improve the service life of driving motor 21.
The feed end and/or discharge end of stock support 2 are provided with the position-limit mechanism 5 to swing for limiting plank, limit
Position mechanism 5 includes to be set to two position-limited wheels 51 and two limit bottom plates 52 of strip width direction both sides, two position-limited wheels
51 be rotationally connected with respectively two limit bottom plates 52 on, two limit bottom plate 52 can in opposite directions closer or far from sliding setting exist
On stock support 2, it is bolted with the fastening screw 53 for locking limit bottom plate 52 on stock support 2, is set on limit bottom plate 52
It is equipped with for 53 perforative kidney slot 521 of fastening screw;Fastening screw 53 is screwed onto after passing through kidney slot 521 on stock support 2, and two
It will when a limit bottom plate 52 can be screwed into bottom along the sliding close to each other or separate of the length direction of kidney slot 521, fastening screw 53
The locking of bottom plate 52 is limited on stock support 2;The position-limited wheel 51 being rotatablely connected on limit bottom plate 52 contacts at the side of plank simultaneously
And it is rotated with the sliding of plank.The orientation conveying of position-limit mechanism 5 having additional conducive to plank, enables and being conveyed by feed device
Plank can reach the specified position of punching machine, inclined situation is rushed to plank formation when punching machine being avoided to process.And position-limit mechanism 5
The size that width between two position-limited wheels 51 can be adjusted is conducive to expand to the plank suitable for all types of width dimensions
The scope of application of feed device;Position-limited wheel 51 can rotate when contacting at the side of plank with the sliding of plank, can avoid
Position-limit mechanism 5 scratches plank.
Discharge mechanism 1 includes the raw material frame 11 placed for plank coiled strip, and for the straightening machine 12 of flattening plate, is rectified
Positive machine 12 include for plank by correction channel 121 and be located at the correction wheels of correction about 121 both sides of channel, correct
It takes turns smooth to the plank extruding in correction channel 121;Correction channel 121 is obliquely installed along its length, and correction channel 121 is leaned on
One end of nearly raw material frame 11 is higher than the rotation connection on one end of stock support 2, straightening machine 12 and is useful for holding for loading plate material
Support roller 122, there are two the settings of support wheel 122 and is located at the head and end in correction channel 121, close to former on straightening machine 12
The support wheel 122 of rack 11 is by the feed end for slightly above correcting channel 121 of plank support, close to stock support on straightening machine 12
2 support wheel 122 by plank support slightly above correct channel 121 discharge end.By upper and lower when plank is by correcting channel 121
The correction wheel of both sides squeezes to improve the flatness of plank, and correction channel 121, which is obliquely installed, can allow by straightening machine
It is smoothly conveyed downwards when 12 plank is between straightening machine 12 and stock support 2, is conducive to be located at straightening machine 12 and feeding
V-shaped plank and the junction of straightening machine 12 between holder 2 reduce bending angle, and the plank through straightening machine 12 is avoided to bend again
Deformation.In addition the peak of 122 lateral wall of support wheel is slightly above the feed end and discharge end for correcting channel 121, makes by support
The plank of wheel 122 can slightly above correct the feed end and discharge end in channel 121, which can make plank by straightening machine 12
There is certain upward bent toughness after correction, the active force pulled down is received using plank after the support wheel 122 of discharge end
It is balanced, not only contributes to the smoothness that plank enters or sends out straightening machine 12, be also beneficial to improve the flatness of plank.
Raw material frame 11 includes bearing seat 111 and the bearing wheels 112 that are rotationally connected on bearing seat 111, in bearing wheels 112
Along it, axially there are two limit for width part 113, plank coiled strip is set around limit for width part when in the circumferential side wall of bearing wheels 112 for sliding connection
113 contact at the both sides in strip width direction;Several are convexly equipped with along its length on the outer circumferential wall of bearing wheels 112 to hold
Boss 1121 is carried, the opposite sides of carrying boss 1121 along its length is convexly equipped with convex edge 1122, convex edge 1122 and carrying
The cross section of boss 1121 along its length is bent into V-shaped structure by rod piece and sets at T-shaped structure setting, limit for width part 113
It sets, the rod piece both ends of limit for width part 113 are respectively provided with the crotch 1131 due to living convex edge 1122 for fastener, and limit for width part 113 is held on
Carry boss 1121 opposite sides, and by two crotches 1131 of open end be buckled in carrying boss 1121 both sides it is convex
Along 1122, crotch 1131 can slide along the length direction of convex edge 1122.Plank is wound up into the circumferential direction of each carrying boss 1121
On lateral wall, and the width both sides of plank are contacted at by limit for width part 113, to enable plank to wind neatly.In addition it limits
Wide part 113 and the setting of carrying boss 1121 enable limit for width part 113 that can be slid along its width direction, are suitable for different width dimensions
Plank, and the setting of 113 structure of limit for width part can be easy to disassemble, consequently facilitating undressed complete plank coiled strip can unload
Under, and the setting for carrying boss 1121 reduces the area contacted with the inner wall of plank coiled strip, to plank coiled strip of being more convenient for
It is unloaded from bearing wheels 112.
Carry the outer circumferential face camber structure setting of boss 1121, the arc radius of 1121 lateral surface of carrying boss
Size is not more than the radius size of bearing wheels 112.When plank is wound up on the outer circumferential wall of each carrying boss 1121, to keep away
The inner wall for exempting from plank coiled strip contacts on the seamed edge of 1121 both sides convex edge 1122 of carrying boss, and makes to be wound up into each carrying boss
Plank on 1121 at the seamed edge of convex edge 1122 stress and bend deformation, the arc radius ruler of 1121 lateral surface of boss will be carried
The very little radius size being arranged to no more than entire bearing wheels 112, enables the plank of winding that can not touch the seamed edge of convex edge 1122, has
Flatness is kept conducive to plank is made.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.