A kind of knit unit of Medical face fabric
Technical field
The invention belongs to field of mechanical technique, relate to a kind of knit unit, particularly a kind of knit unit of Medical face fabric.
Background technology
With one group or several groups of yarns arranged in parallel, in the place of portion of weaving of warp-wise feeding machine, lopping simultaneously and form knitted fabric, this method is called that, through compiling, fabric is called tricot, and completes this machine through compiling and be called warp knitting machine.
Through retrieval, as Chinese patent literature discloses a kind of structure improved warp knitting machine [patent No.: ZL 201410344188.1; Authorization Notice No.: CN 104178912A].This structure improved warp knitting machine, comprise frame, frame is fixed with for the winding reel of winding yarn with for carrying conveying axis one and the conveying axis two of tricot, described conveying axis one and conveying axis two be arranged in parallel, conveying axis one closes on conveying axis two and does not contact, it is characterized in that, top between described conveying axis one and conveying axis two is provided with compression axis, described compression axis can drive its oscilaltion with one and the lift locating device one be located is connected, the external diameter of described compression axis is greater than the gap between conveying axis one and conveying axis two, the segmenting device that tricot can be divided into two is provided with between described winding reel and conveying axis one.
Although warp knitting machine disclosed in this patent can automatic segmentation tricot, cutting efficiency is high, do not have fastener between material barrel in this warp knitting machine, when rolling cloth, material barrel there will be and rocks, rolling weak effect; Material barrel does not have draw-gear, needs a dead lift, but the weight ratio of material barrel is comparatively large, and labour intensity is large, production efficiency is low, and therefore, the knit unit designing a kind of Medical face fabric is necessary.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose a kind of knit unit of Medical face fabric, this knit unit has that rolling is effective, production efficiency is high feature.
Object of the present invention realizes by following technical proposal: a kind of knit unit of Medical face fabric, it comprises frame, frame has and weaves portion for woven, it is characterized in that, it also comprises bracing frame, back shaft, storing roller and preload piece, described bracing frame is connected in frame upper lateral part and the quantity of bracing frame is two, the two ends of described back shaft are connected on corresponding bracing frame, above-mentioned storing roller is tubular and its two ends all have the shoulder block of protrusion, the storing portion for storing fabric is formed between described storing roller sidepiece and the shoulder block at its two ends, described storing roller is enclosed within back shaft and storing roller and back shaft circumference are connected, above-mentioned preload piece is enclosed within back shaft and above-mentioned storing roller is axially fixed on back shaft by preload piece, described frame also has the actuator for driving back shaft to rotate.
Operation principle of the present invention is as follows: storing roller is enclosed within back shaft by operator, preload piece is enclosed within respectively the two ends of back shaft, storing roller is made to be fixed on back shaft firmly, back shaft is positioned on bracing frame, the one end of the Medical face fabric processed in the portion of weaving is fixed in the storing portion of storing roller, back shaft is driven to rotate by actuator, back shaft drives storing roller to rotate, along with the rotation of storing roller, by Medical face fabric rolling on storing roller, thus the rolling operation of Medical face fabric can be completed; The portion of weaving is prior art, yarn can be processed into fabric by the portion of weaving.
Described preload piece is circular, and the quantity of above-mentioned storing roller is several, and described adjacent its end of two storing rollers sticks together, and the quantity of described preload piece is two inner sides laying respectively at two bracing frames.
Adopting above structure, by preload piece being enclosed within respectively the two ends of back shaft, several storing rollers can be made to be fixed on back shaft firmly, location is reliable, convenient.
Alternatively scheme, the storing roller of described low order end is resisted against on bracing frame, and above-mentioned preload piece is between the storing roller and bracing frame of high order end.
Adopting above structure, by being resisted against on bracing frame by the storing roller of low order end, preload piece being enclosed within the left end of back shaft, several storing rollers can be made to be fixed on back shaft firmly, location is reliable, convenient.
On described back shaft, also cover has contact pad in the form of a ring, and described contact pad is pressed between adjacent two storing rollers.
Adopt above structure, the friction between adjacent two storing rollers can be reduced, improve its service life, long service life.
Described contact pad is wooden ring.
Alternatively scheme, described contact pad is rubber ring.
Described actuator comprises motor and driving belt, and the rotating shaft of described motor is fixed with driving wheel, and described back shaft is fixed with driven pulley, and above-mentioned driving belt is enclosed within driving wheel and driven pulley.
When needs make back shaft rotate, control the axis of rotation of motor, the rotating shaft of motor drives driving wheel to rotate, and driving wheel drives driven pulley to rotate by driving belt, and driven pulley drives back shaft to rotate, thus can realize the rotation of back shaft.
Alternatively scheme, described actuator comprises motor and gear train, described motor is connected in frame, described gear train is connected in frame and the rotating shaft of the input of gear train and motor is connected, and described back shaft is fixed with travelling gear and this travelling gear is meshed with the output of gear train.
When needs make back shaft rotate, control the axis of rotation of motor, the input of the rotating shaft driven gear group of motor rotates, and the output band nutating gear of gear train rotates, and travelling gear drives back shaft to rotate, thus can realize the rotation of back shaft.
The end of described back shaft be for link up with the holding part be connected, bracing frame is stretched out in described holding part, described frame also has haulage gear, and the hanging support of described haulage gear lifting aft hook energy is at described back shaft two ends and move relative to whole rack level.
When storing roller winds Medical face fabric, drive hook mobile by haulage gear, by hook hanging support in the holding part of back shaft, then drive hook mobile by haulage gear, hook drives storing roller to move, thus is taken off by storing roller.
Described haulage gear comprises the guide rail and slide block that are connected in upper rack, described frame has the horizontal actuator be connected with slide block, described slide block is also connected with vertical actuator and vertical actuator is connected with hook.
When needs make hook transverse shifting, by horizontal actuator band movable slider along guide rail transverse shifting, slide block drives hook transverse shifting, thus can realize the transverse shifting of hook; When needs make hook vertically move, drive hook vertical mobile by vertical actuator, thus the vertical movement of hook can be realized.
The quantity of described guide rail be two and level be set in parallel in upper rack, the two ends of described slide block are connected on corresponding guide rail, and described vertical actuator is connected in slide block top, and described hook is positioned at slide block bottom.
Adopt above structure, by the guide effect of guide rail to slide block, hook can be made to move more stable, guide effect is good.
Described vertical actuator is hoist crane, and above-mentioned hook is connected on the chain of hoist crane.
When needs control to link up with vertical movement, rotated by hoist crane drive chain, chain-driving links up with vertical movement, thus can realize the vertical movement of hook.
Alternatively scheme, described vertical actuator is oil cylinder, and piston rod and the above-mentioned hook of described oil cylinder are connected.
When needs control to link up with vertical movement, extended or retracted by the piston rod of control oil cylinder, the piston rod of oil cylinder drives links up with vertical movement, thus can realize the vertical movement of hook.
Described slide block is U-shaped and the port of slide block U-shaped is connected on corresponding guide rail.
Adopt above structure, slide block can be made to have good intensity, and bearing capacity is good.
Compared with prior art, the knit unit of this Medical face fabric has the following advantages:
1, the present invention is by being enclosed within back shaft by storing roller, contact pad is enclosed within back shaft, preload piece is enclosed within respectively the two ends of back shaft, storing roller is made to be fixed on back shaft firmly, thus can guarantee in wrapup procedure, storing roller there will not be the phenomenon of rocking, and rolling is effective.
2, by horizontal actuator band movable slider along guide rail transverse shifting, slide block drives hook transverse shifting, hook is made to be in the top of back shaft, by hook hanging support in the holding part of back shaft, chain is driven to rotate by hoist crane, chain-driving hook moves up, and taken off by storing roller, production efficiency is high, labour intensity is low.
3, the quantity of guide rail be two and level be set in parallel in upper rack, the two ends of slide block are connected on corresponding guide rail; Adopt this structure, by the guide effect of guide rail to slide block, hook can be made to move more stable, guide effect is good.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention.
Fig. 2 is the close-up schematic view at A place in Fig. 1.
Fig. 3 is the perspective view that the present invention removes part.
Fig. 4 is the planar structure schematic diagram that the present invention removes part.
In figure, 1, frame; 2, bracing frame; 2a, connecting portion; 2b, positioning recess; 3, guide rail; 4, horizontal actuator; 5, slide block; 6, hoist crane; 6a, chain; 7, link up with; 8, wearing layer; 9, back shaft; 9a, holding part; 10, preload piece; 11, storing roller; 12, contact pad; 13, driven pulley; 14, driving belt; 15, driving wheel; 16, motor.
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figure 1, Figure 2, Figure 3 shows, the knit unit of this Medical face fabric, it comprises frame 1, frame 1 has and weaves portion for woven, and the portion of weaving is prior art, yarn can be processed into fabric by the portion of weaving, it also comprises bracing frame 2, back shaft 9, storing roller 11 and preload piece 10, bracing frame 2 is connected in frame 1 upper lateral part and the quantity of bracing frame 2 is two, the two ends of back shaft 9 are connected on corresponding bracing frame 2, storing roller 11 is in tubular and its two ends all have the shoulder block of protrusion, the storing portion for storing fabric is formed between storing roller 11 sidepiece and the shoulder block at its two ends, storing roller 11 is enclosed within back shaft 9 and storing roller 11 and back shaft 9 circumference are connected, preload piece 10 is enclosed within back shaft 9 and storing roller 11 is axially fixed on back shaft 9 by preload piece 10, frame 1 also has the actuator for driving back shaft 9 to rotate.
As shown in Figure 1, Figure 2, Figure 3 shows, preload piece 10 is in circular, and the quantity of storing roller 11 is several, and in the present embodiment, the quantity of storing roller 11 is four; Adjacent two its ends of storing roller 11 stick together, and the quantity of preload piece 10 is two inner sides laying respectively at two bracing frames 2; Adopting this structure, by preload piece 10 being enclosed within respectively the two ends of back shaft 9, four storing rollers 11 can be made to be fixed on firmly on back shaft 9, location is reliable, convenient.
According to actual conditions, also can adopt this kind of embodiment, that is: the storing roller 11 of low order end is resisted against on bracing frame 2, and preload piece 10 is between the storing roller 11 and bracing frame 2 of high order end.
As shown in Figure 1, Figure 3, on back shaft 9, also cover has contact pad 12 in the form of a ring, and contact pad 12 is pressed between adjacent two storing rollers 11; Adopt this structure, the friction between adjacent two storing rollers 11 can be reduced, improve its service life, long service life.
Contact pad 12 is wooden ring; Can certainly adopt this kind of embodiment, that is: contact pad 12 is rubber ring.
As shown in Figure 4, actuator comprises motor 16 and driving belt 14, and the mode that motor 16 is bolted is fixed in frame 1; The rotating shaft of motor 16 is fixed with driving wheel 15, the mode that the rotating shaft of motor 16 is connected by key is fixed with driving wheel 15; Back shaft 9 is fixed with driven pulley 13, the mode that back shaft 9 is connected by key is fixed with driven pulley 13; Driving belt 14 is enclosed within driving wheel 15 and driven pulley 13.
According to actual conditions, also can adopt this kind of embodiment, that is: actuator comprises motor 16 and gear train, and gear train adopts the existing product that market can have been bought; Motor 16 is connected in frame 1, and the mode that motor 16 is bolted is fixed in frame 1; Gear train is connected in frame 1 and the rotating shaft of the input of gear train and motor 16 is connected, and back shaft 9 is fixed with travelling gear and this travelling gear is meshed with the output of gear train, and the mode that back shaft 9 is connected by key is fixed with travelling gear; Gear train comprises gear one and gear two, and gear one and gear two are meshed, and the rotating shaft of gear one and motor 16 is connected, and gear two and travelling gear are meshed.
As shown in Figure 1, Figure 2, Figure 3 shows, the end of back shaft 9 is the holding part 9a for being connected with hook 7, holding part 9a stretches out bracing frame 2, and frame 1 also has haulage gear, and haulage gear lifting aft hook 7 can to move horizontally relative to whole frame 1 at back shaft 9 two ends in hanging support.
As shown in Figure 1, haulage gear comprises the guide rail 3 and slide block 5 that are connected in frame 1 top, frame 1 has the horizontal actuator 4 be connected with slide block 5, and in the present embodiment, horizontal actuator 4 adopts the push-rod electric machine that market can have been bought; Slide block 5 is also connected with vertical actuator and vertical actuator is connected with hook 7.
As shown in Figure 1, the quantity of guide rail 3 is two and the two ends stating slide block 5 in frame 1 top that are set in parallel in of level are connected on corresponding guide rail 3, and vertical actuator is connected in slide block 5 top, and hook 7 is positioned at slide block 5 bottom; Adopt this structure, by the guide effect of guide rail 3 pairs of slide blocks 5, hook 7 can be made to move more stable, guide effect is good; Slide block 5 is in U-shaped and the port of slide block 5U font is connected on corresponding guide rail 3; Adopt this structure, slide block 5 can be made to have good intensity, and bearing capacity is good.
As shown in Figure 1, vertical actuator is hoist crane 6, and hook 7 is connected on the chain 6a of hoist crane 6, and hook 7 is connected on the chain 6a of hoist crane 6 by the mode of welding; Can certainly adopt this kind of embodiment, that is: vertical actuator is oil cylinder, and the mode that oil cylinder is bolted is fixed in frame 1; The piston rod of oil cylinder is connected with hook 7, and the mode that the piston rod of oil cylinder is bolted is connected with hook 7.
As shown in Figure 1 and Figure 2, bracing frame 2 in the form of sheets, bracing frame 2 the inner is connected in frame 1, and bracing frame 2 outer end has the positioning recess 2b of inclination, and the end of back shaft 9 is embedded in positioning recess 2b place and back shaft 9 is resisted against the recess lowest part of positioning recess 2b under gravity; Adopt this structure, back shaft 9 can be resisted against all the time in positioning recess 2b under the effect of self gravitation, positions back shaft 9 without the need to other securing member, and easy accessibility, location are fast.
As shown in Figure 1 and Figure 2, bracing frame 2 the inner has connecting portion 2a in the form of sheets, and connecting portion 2a is connected in frame 1 by securing member; Adopt this structure, the connection fastness of bracing frame 2 and support can be increased; Bracing frame 2 has fixedly connected to the inner side wearing layer 8, and preload piece 10 is resisted against on wearing layer 8; Adopt this structure, can extend the service life of bracing frame 2, ABRASION RESISTANCE is good.
Wearing layer 8 is graphite cake; Can certainly adopt this kind of embodiment, that is: wearing layer 8 is cast iron plate.
Operation principle of the present invention is as follows: four storing rollers 11 are enclosed within back shaft 9 by operator, contact pad 12 is enclosed within back shaft 9, contact pad 12 is made to be pressed between adjacent two storing rollers 11, preload piece 10 is enclosed within respectively the two ends of back shaft 9, storing roller 11 can be fixed on back shaft 9 firmly, the two ends of back shaft 9 are placed in the positioning recess 2b of bracing frame 2, the one end of the Medical face fabric processed in the portion of weaving is fixed in the storing portion of storing roller 11, control the axis of rotation of motor 16, the rotating shaft of motor 16 drives driving wheel 15 to rotate, driving wheel 15 drives driven pulley 13 to rotate by driving belt 14, driven pulley 13 drives back shaft 9 to rotate, back shaft 9 drives storing roller 11 to rotate, along with the rotation of storing roller 11, by Medical face fabric rolling on storing roller 11, be with movable slider 5 along guide rail 3 transverse shifting by horizontal actuator 4, slide block 5 drives hook 7 transverse shifting, hook 7 is made to be in the top of back shaft 9, chain 6a is driven to rotate by hoist crane 6, chain 6a drives hook 7 to move down, by hook 7 hanging support in the holding part 9a of back shaft 9, chain 6a is driven to rotate by hoist crane 6, chain 6a drives hook 7 to move up, storing roller 11 is taken off, thus complete the rolling operation of Medical face fabric.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.