Summary of the invention
Task of the present invention be to provide a kind of need not to be equipped with fabric guiding plate and use simplify overall structure and help quickly and easily to cabinet implement cleaning, action link care and maintenance and lifting bar lifting is few and use the elevating mechanism of lifting bar of the computer plain flat knitter of the reliability of guaranteeing lifting lastingly.
Task of the present invention is finished like this, a kind of elevating mechanism of lifting bar of computer plain flat knitter, comprise a pair of wallboard, this to the placed in the middle position of wallboard in the corresponding both sides of the length direction that is installed on the cabinet below the computer plain flat knitter under the user mode with facing each other, the top of each wallboard offers first, second shifting chute, and the width of the upper end of each wallboard is narrower than the width of lower end, described first, the upper end of second shifting chute respectively is vertical straight trough, and the lower end respectively is a tipper, makes first by straight trough with combining of tipper, second shifting chute trends towards L shaped; One lifting bar is bound up on the described a pair of wallboard, and moves along the track of described first, second shifting chute; A pair ofly be used to draw described lifting bar, be configured on the outer wall of wallboard, and connect by means of described first, second shifting chute and lifting bar along the lifting bar haulage gear that the track of described first, second shifting chute moves; A pair of being used to ordered about the power drive mechanism that described lifting bar haulage gear moves, and is located at the bottom in the outside of described wallboard, connects with described lifting bar haulage gear.
In a specific embodiment of the present invention, the two ends of described lifting bar respectively are extended with a backup plate, backup plate and joint cover are fixed, joint cover and lifting contiguous block are fixed, lifting contiguous block and described lifting bar haulage gear connect, described lifting bar haulage gear comprises first, second drive, first driving belt, slide block, first, second roller, connecting rod and driving belt fixture block, the first drive pivot be arranged on wallboard short transverse a side top and corresponding to the upper lateral part of described first shifting chute, the second drive pivot is arranged on the bottom of a side of short transverse of wallboard and obliquely corresponding with first drive, one end of first driving belt is nested with on first drive, and the other end is nested with on second drive, first roller is located on first roller shaft, first roller shaft passes a client link of described lifting contiguous block and slide block, second roller is located on second roller shaft, the other end that second roller shaft passes described lifting contiguous block and slide block connects, one end of the middle part of slide block and connecting rod is hinged, and the other end of connecting rod and moving belt fixture block are hinged, the moving belt fixture block is fixed on described first driving belt, wherein: the described first roller cunning fits on described first shifting chute, and the described second roller cunning fits on described second shifting chute, and described second drive and described power drive mechanism transmission connect.
In another specific embodiment of the present invention, described first, second drive is sprocket wheel or belt pulley, and described first driving belt is chain or belt.
In another specific embodiment of the present invention, described first, second drive is a belt pulley, and described first driving belt is a belt, and described belt pulley is a synchronous pulley, and described belt is to be with synchronously.
In another specific embodiment of the present invention, described power drive mechanism comprises the reduction box holder, motor, the 3rd, the 4th, the 5th, the 6th drive and second, the 3rd driving belt, the reduction box holder is fixed on the bottom of described wallboard, one end of this reduction box holder and constitute an elementary deceleration box outward, motor is fixed on the described elementary deceleration box, the motor shaft of motor is insinuated in the cavity of elementary deceleration box, the 3rd drive is fixed on the motor shaft, the 4th drive is arranged in described cavity, coaxial with the 5th drive, and the 5th drive pivot is arranged on the described reduction box holder, the 6th drive pivot is arranged on the other end of reduction box holder, coaxial with second drive of described lifting bar haulage gear, second driving belt is nested with the 3rd, the 4th drive, the 3rd driving belt is bound up on the 5th, on the 6th drive.
Also have in the specific embodiment of the present invention, described the 3rd, the 4th, the 5th, the 6th drive is sprocket wheel or belt pulley, and described second, third driving belt is chain or belt, and described motor is a clockwise and anticlockwise motor.
More of the present invention and in specific embodiment, described the 3rd, the 4th, the 5th, the 6th drive is a belt pulley, described second, third driving belt is a belt, and described belt pulley is a synchronous pulley, and described belt is a band synchronously.
In of the present invention and then specific embodiment, the bottom of the inwall of described a pair of wallboard and respectively set firmly a signal pickup assembly at groove bottom part corresponding to described second shifting chute, described lifting connecting block is corresponding with this signal pickup assembly.
Of the present invention again more and in specific embodiment, described signal pickup assembly is that travel switch, microswitch, position are near switch or hall sensor.
Technical scheme provided by the invention is owing to adopted a pair of wallboard, and the width of wallboard is designed to L shaped groove up-narrow and down-wide and that first, second shifting chute is constituted the straight lower tilt in top, thereby make the flute profile of the elevating movement track of lifting bar in compliance with first, second shifting chute, lifting bar is stretched over the tube port position of knitting mechanism when rising, and avoided interference after descending, thereby need not to use fabric guiding plate to braided fabric; With respect to prior art, the motion link in the lifting bar lifting process is few, simple in structure, can ensure the reliability of the lifting of lifting bar; Owing to abandoned the fabric guiding plate in the prior art, therefore can implement cleaning, safeguard and maintenance cabinet easily and quickly.
The specific embodiment
Ask for an interview Fig. 1, provided a pair of wallboard 1, this to wallboard 1 be fixed in aspectant mode under the user mode computer plain flat knitter below the corresponding both sides of length direction of cabinet 6 (Fig. 4 signal), the distance between a pair of wallboard 1 adapts with the length of lifting bar 2.Because shape and structure, mounting means and the action principle of a pair of wallboard 1 are identical, so the applicant selects one below and is elaborated.Because the width of the upper end of wallboard 1 is littler than the lower end, have the trend that broadens gradually from top to bottom, so the profile of wallboard 1 is tended to Chinese lute shape.Upper end in the short transverse of wallboard 1 offers first, second shifting chute 11,12, and the upper end of first, second shifting chute 11,12 is straight trough, and the lower end is tipper, the number of degrees of the angle α that constitutes between straight trough and the tipper are preferably 110-135 °, being 115-130 ° preferably, is 120 ° better, and present embodiment is selected 120 °, first, second shifting chute 11,12 is all L-shaped, more properly says to be banana-shaped.The up-small and down-big structure of wallboard 1 and be opened in first on the wallboard 1, second shifting chute 11,12 can ensure the tube port position that is risen to the knitting mechanism of computer plain flat knitter by the lifting bar 2 of lifting bar haulage gear 3 tractions when rising, otherwise cloth-winding mechanism a pair of that when lifting bar 2 descends, is dropped to computer plain flat knitter be used to draw braided fabric secondary roller 7 below (Fig. 4 shows), and can the braided fabric of being drawn by secondary roller 7 not exerted an influence, make braided fabric successfully arrive the cloth beam of cloth-winding mechanism, batch smoothly in order to cloth beam, therefore can abandon the fabric guiding plate in the prior art.
Two ends at the length direction of lifting bar 2 respectively have a backup plate 21, and backup plate 21 both can one process on lifting bar 2, was welded on the lifting bar 2 after also can processing separately.Backup plate 21 is fixing with joint cover 212, and web 212 is fixing with lifting contiguous block 211, and lifting contiguous block 211 connects with lifting bar haulage gear 3.
Lifting bar haulage gear 3 also has a pair of of same structure, below the applicant select one and describe.The structure of preferred lifting bar haulage gear 3 is as follows, one first drive 31 is arranged on the upper end of wallboard 1 rotationally by first power axle 311, more properly say, be arranged on the sidepiece of the upper end of first shifting chute 11 rotationally, also can claim to be arranged on rotationally the sidepiece of following in the upper end of first shifting chute 11.One second drive 32 is arranged on the lower end of wallboard 1 rotationally by second power axle 321, and this second drive 32 is corresponding with first drive 31 in the skew back direction.One end of one first driving belt 33 is nested with on first drive 31, and the other end is nested with on second drive 32.Because second power axle 321 of second drive 32 is to connect with the following power drive mechanism that also will describe in detail 4 transmissions, therefore, when power drive mechanism 4 work, just make 32 motions of second drive, because first driving belt 33 is linked on first, second drive 32,33, therefore drive 32 motions of second drive again by first driving belt 31.One first roller 35 is nested with on first roller shaft 351, and match with aforesaid first shifting chute 11 by this first roller 35, first roller shaft 351 is worn and is opened in the first roller axis hole 341 of slide block 34 1 ends and limits with nut after passing axis hole default on the aforesaid lifting contiguous block 211, thereby drive the slippage on first shifting chute 11 of first roller 35 by slide block 34, and drive lifting bar 2 liftings simultaneously.One second roller 36 is nested with on second roller shaft 361, and this second roller 36 matches with aforesaid second shifting chute 12, second roller shaft 361 wears and is opened in the second roller axis hole 342 of slide block 34 other ends after passing another default on the aforesaid lifting contiguous block 211 axis hole, and limit with nut, thereby drive the slippage on second shifting chute 12 of second roller 36 by slide block 34, and drive lifting bar 2 liftings simultaneously.As described above, the upper end of first, second shifting chute 11,12 is a straight trough, and the lower end is a tipper, therefore, lifting bar 2 is not to show as vertically to move in lifting process, but has the segmental arc track, does not drop to phenomenon on the lifting bar thereby braided fabric can not occur.One end of one connecting rod 37 is hinged with the middle part of slide block 34 by pitman shaft 371, and the other end and driving belt fixture block 38 are hinged.One driving belt fixture block 38 is fixed on aforesaid first driving belt 33, is extended with a rod hinge connection seat 381 in a side of this driving belt fixture block 38, and this rod hinge connection seat 381 is by jointed shaft 3811 and aforesaid connecting rod 37 hinged joints.
Please continue to see Fig. 1, preferred but not the structure power drive mechanism that is limited to is as follows: a reduction box holder 41 that is shaped as rectangle (present embodiment is a cuboid) is fixed by the one group of leg 412 and the bottom in the outside of wallboard 1, and remaining with between the outer wall of the inwall of reduction box holder 41 and wallboard 1 is enough to avoid aforesaid second drive 32 is produced the spacing that hinders, promptly constitute an elementary deceleration box 411 by the outside of the left end of shown position state at present at an end of reduction box holder 41, this elementary deceleration box 411 constitutes a cavity 4111.One motor 42 with rotating function with level be fixed on the elementary deceleration box 411, the motor shaft of this motor 42 stretches in the cavity 4111.One the 3rd drive 43 is fixed on the motor shaft of the motor 42 that is insinuated in the cavity 4111, one the 4th drive 44 is arranged in cavity 4111, coaxial with the 5th power axle 451 of the 5th drive 45, promptly the 4th, the 5th drive 44,45 is with placing on the 5th power axle 451, one end bearing of the 5th power axle 451 is on reduction box holder 41, and the other end is bearing on the wall of elementary deceleration box 411.One the 6th drive 46 is coaxial with aforesaid second drive 321, promptly, six, second drive 46,32 jointly is arranged on second power axle 321, and an end bearing of second power axle 321 is on wallboard 1, and the other end is bearing on the reduction box holder 41.One second driving belt 48 is nested with on the 3rd, the 4th drive 43,44, and one the 3rd driving belt 48 then is nested with on the 5th, the 6th drive 45,46.Three, the 4th drive 43,44 and second driving belt 47 constitute the one-level deceleration, also can claim elementary deceleration, and the 5th, the 6th drive 45,46 and the 3rd driving belt 48 constitute double reductions.When motor 42 work, drive the 3rd drive 43, drive the 4th drive 44 through second driving belt 47, drive the 5th power axle 451 by the 4th drive 44, make 45 motions of the 5th drive, drive the 6th drive 46 through the 3rd driving belt 48, drive second power axle 321 by the 6th drive 46, make 321 motions of second power axle, make second drive, 32 motions that are installed on second power axle 321, under the motion of first driving belt 33, drive driving belt fixture block 38, and then by driving belt fixture block 38 actuating connecting rods 37, drive slide block 34 by connecting rod 37, make slide block 34 first, second roller 35, under 36 the guiding first, second shifting chute 11, move on 12, finally make lifting bar 2 liftings.Aforesaid the first, second, third, fourth, the 5th, the 6th drive 31,32,43,44,45,46 is belt pulley and is synchronous pulley, aforesaid first, second, third driving belt 33,47,48 is belt and is synchronous band, if, then should be considered as equivalence with sprocket wheel and chain.
Ask for an interview Fig. 2, at the length direction of lifting bar 2 end pin 22 of having arranged, more particularly, a side of the length direction of lifting bar 2 with the interval state be processed with end needle tray 23, every is risen and sets one piece in the end needle tray 23 and play end pin 22.The effect that is shown in a pair of cutting 24 on the lifting bar 2 is to playing 22 control of end pin, escaping in lifting bar 2 in order to avoid play end pin.Each piece plays end pin 22 and comprises needle guard 221 and pinhock 222, and the upper end of needle guard 221 has a coil groove 2211, and the lower end has needle guard heel 2212, and in the needle tray 23, the upper end had leant out base plate 2 at the bottom of the lower end of needle guard 221 was embedded in aforesaid.Pinhock 222 is configured in the needle guard 221 slidably, the upper end has syringe needle 2221, syringe needle 2221 matches with coil groove 2211, so that to entering into a filling line shutoff of coil groove 2211, promptly the notch by 2221 pairs of coil grooves 2211 of syringe needle seals, so that it is descending to have driven the filling line when lifting bar 2 is descending, knitting mechanism by computer plain flat knitter has been finished needle knitting, the sealing that after having made end fabric be able to be caught by the secondary roller 7 of cloth-winding mechanism shown in Figure 4 to get syringe needle 2221 is discharged coil groove 2211.The lower end of each piece pinhock 222 has pinhock heel 2222, and pinhock heel 2222 is bound up on the pinhock actuating mechanism 5, drive pinhock 222 by pinhock actuating mechanism 5 and move up and down, and pinhock actuating mechanism 5 connects with lifting bar 2.
Ask for an interview Fig. 3 and continuation in conjunction with Fig. 2, the preferred pinhock actuating mechanism 5 that the applicant provides comprises a draw-bar guide 51, pair of motors 52, pair of motors seat 53, a pair of screw rod 54, a pair of screw bolt seat 55, one group of bridge screw 56, an a pair of pressing plate holder 57 and a crochet hook plate 58, at spaced apart horizontal slip groove 511 and the lifting groove 512 of being provided with of the length direction of draw-bar guide 51, horizontal slip groove 511 and lifting groove 512 one distribute every one each other, pair of motors seat 53 is fixed on the back side at two ends of the length direction of lifting bar 2 respectively with hold-down screw 531, pair of motors 52 is separately fixed on the pair of motors seat 53, the motor reel 521 of each motor 52 connects with screw rod 54, screw rod 54 is arranged on the screw bolt seat 55 rotationally by nut 541, screw bolt seat 55 is fixed on the pressing plate holder 57, and pressing plate holder 57 usefulness pressing plate hold-down screws 572 are fixed on the draw-bar guide 51, and pressing plate holder 57 also constitutes a sliding tray 571, the bottom at the two ends of aforesaid lifting bar 2 is corresponding in the sliding tray 571, the quantity of bridge screw 56 equates with the quantity of aforesaid horizontal slip groove 511, be arranged on the described horizontal slip groove 511, and through hole 582 backs that are opened on the crochet hook plate 58 are fixing with lifting bar 2 passing, this bridge screw 56 has a guide pin bushing 561, guide pin bushing 561 matches with horizontal slip groove 511 and through hole 582 respectively, on crochet hook plate 58, be provided with the quantity of aforesaid lifting groove 512 and equate and the corresponding crochet hook plate roller 581 in position by crochet hook plate roller shaft 5811, crochet hook plate roller 581 and described lifting groove 512 are slippery, wherein, the motor of described motor 52 for having the rotating function.
When the motor reel 521 of pair of motors 52 simultaneously with clockwise or when being rotated counterclockwise, drive a pair of screw rod 54 and do corresponding rotation, because screw rod 54 is located on the screw bolt seat 55 by nut 541, again because screw bolt seat 55 is fixing with pressing plate holder 57, also because pressing plate holder 57 is fixing with draw-bar guide 58, therefore under screw rod 54 rotations, making screw bolt seat 55 take pressing plate holder 57 moves, driving draw-bar guide 51 by pressing plate holder 57 moves to the left or to the right, the limit that draw-bar guide 51 moves is to the left or to the right then limited by bridge screw 56, in the process that draw-bar guide 51 moves to the left or to the right, position by thereon lifting groove 512 changes, be located at the crochet hook plate roller 581 on the crochet hook plate 58 rotationally or be in the high position of lifting groove 512 thereby make by crochet hook plate roller shaft 5811, or be in the low level of lifting groove 512, because lifting groove 512 is zigzag groove (also can be referred to as the font groove), therefore when crochet hook plate roller 581 is in the upper extreme point of lifting groove 512, just it is up to drive crochet hook plate 58, vice versa, specifically depends on the forward or reverse of motor 52.When crochet hook plate 58 rises, it is up then to drive the pinhock 222 that the lower end is embedded on the crochet hook heel groove 583 on the crochet hook plate 58, otherwise it is then descending, by the coil groove 2211 enforcement sealings of the notch door bolt of coil groove 2211 being closed 2221 pairs of needle guard 221 upper ends of syringe needle of blockade effect that play of pinhock 222 upper ends, get the filling line 10 that the industry that enters into coil groove 2211 is called shirr when up to catch.
Ask for an interview Fig. 4 and in conjunction with Fig. 1 and Fig. 2, the applicant narrates use of the present invention, when computer plain flat knitter takes up one's knitting fabric, at first to play needle knitting, need enable the elevating mechanism of lifting bar of computer plain flat knitter of the present invention this moment, so that lifting bar 2 is moved upward, play needle knitting by the knitting mechanism that plays end pin 22 matching computer controlled flat knitting machines on the lifting bar 2, weave one section earlier and play end fabric, get until having made end fabric be able to catch, just make lifting bar 2 state of promptly deactivating that descends by a pair of secondary roller 7 that is positioned at needle-bar 8 belows as cloth-winding mechanism.
When lifting bar 2 is risen, the motor 42 of a pair of power drive mechanism 4 is worked clockwise, it is up to drive lifting bars 2 by the lifting bar haulage gear 3 with power drive mechanism 4 transmissions connection, specifically: first driving belt 33 is done towards the direction motion that is labeled in the arrow 331 among Fig. 1, drivening rod 37 rises by the descending of driving belt fixture block 38, and then it is up to promote slide block 34 by connecting rod 37, and first, second roller 35,36 that matches with slide block 34 upwards slides along first, second shifting chute 11,12 separately.Because first, second roller the 35, the 36th, lifting contiguous block 211 connections by first, second roller shaft 351,361 and the backup plate 21 of lifting bar 2 respectively, therefore, when first, second roller 35,36 is up, lifting bar 2 is also up, until making the end pin 22 that rises on the lifting bar 2 rise to nozzle 9 places corresponding to knitting mechanism shown in Figure 4.When yarn that the knitting mechanism by computer plain flat knitter will be used to have woven end fabric plays promptly that filling line 10 (also can claim shirr) draws and during nozzle 9 places (under the work at the head of computer plain flat knitter), rise in the coil groove 2211 (illustrating) that filling line 10 entered the needle guard 221 of end pin just by Fig. 2.Make pair of motors 52 work of pinhock actuating mechanism 5 this moment, the principle of having set forth in the above according to the applicant moves upward the pinhock 222 of end pin 22, the syringe needle 2221 of pinhock 222 stretches out and corresponds to the notch of coil groove 2211 from the notch of the needle guard groove 2213 of needle guard 221, it is the notch of blockade line ring recess 2211 that a filling line 10 that is arranged in coil groove 2211 is limited, and catches the work of having held filling line 10 thereby finished by playing an end pin 22.Aforesaid power drive mechanism 4 is done and previous opposite action, motor 42 is worked counterclockwise, first driving belt 33 is towards the opposite direction motion of arrow 331 (Fig. 1 shows), make lifting bar 2 descending, it is as the same to play end pin 22, be able to hold under the arm when getting when playing a knitted fabric by aforesaid secondary roller 7, the motor 52 of pinhock actuating mechanism 5 is done and previous opposite direction motion, crochet hook plate roller 581 on the crochet hook plate 58 is dragged for 51 times by draw-bar guide, crochet hook plate roller 581 is in the low spot of lifting groove 512, pinhock 222 is descending, it is the needle guard groove 2213 of retraction needle guard 221, discharge before caught hold play filling line 10, lifting bar 2 returns to holding state, and is promptly descending and return to original initial position.Owing on wallboard 1 and at bottom position place, be provided with signal pickup assembly 13 corresponding to second shifting chute 12, therefore when the lifting contiguous block 211 that goes downwards to its backup plate 21 when lifting bar 2 touches signal pickup assembly 13, just give the electric control box of computer plain flat knitter by signal pickup assembly 13 with signal feedback, the motor 42 of power drive mechanism 4 is quit work.For signal pickup assembly 13, both can use travel switch, also can use microswitch, but also the use location near switch or hall sensor or optoelectronic switch, or the like, the present invention adopts microswitch.In addition, in the upper end of wallboard 1 and at top end corresponding signal picker 13 is installed preferably too corresponding to second shifting chute 12.