CN111705408A - High-precision needle pushing device of computerized flat knitting machine - Google Patents

Abstract

The invention relates to a high-precision needle pushing device of a computerized flat knitting machine, which comprises a bottom plate, a motor base arranged on the bottom plate, a needle pushing motor arranged on the motor base, two needle pushing triangular blocks which are respectively positioned at two sides of the needle pushing motor in a one-to-one correspondence way and have the moving direction vertical to the bottom plate, a needle pushing lifting mechanism which is arranged on the bottom plate and drives the two needle pushing triangular blocks to perform dislocation lifting, locate two mesh triangle pieces that bottom plate and moving direction and two push pin triangle pieces are unanimous, locate the bottom plate and drive the mesh elevating system that two mesh triangle pieces carry out the dislocation and go up and down, push pin elevating system includes the motor gear of coaxial fixed connection in the output shaft of push pin motor, mesh in the reciprocal rack of motor gear, locate the bottom plate and receive reciprocal rack to drive so that two push pin triangle pieces carry out the rack effect mechanism that the dislocation goes up and down, it makes the start-up and the more synchronous effect of push pin triangle piece at the push pin motor to possess good meshing relation between motor gear and the rack.

Description

High-precision needle pushing device of computerized flat knitting machine

Technical Field

The invention relates to the technical field of computerized flat knitting machines, in particular to a high-precision needle pushing device of a computerized flat knitting machine.

Background

The knitting needle of the computerized flat knitting machine needs to perform regular reciprocating lifting movement to knit the yarn into the knitted fabric, the reciprocating movement of the knitting needle needs to be controlled through the needle pushing triangular block, and meanwhile, in order to adjust the size tightness of a coil, a stitch triangular block with the moving direction consistent with the moving direction of the needle pushing triangular block is arranged to perform corresponding adjustment.

The existing computerized flat knitting machine needle pushing device is provided with a notice number CN210458532U, and comprises a motor, a reciprocating driving shaft and a needle pushing mechanism, wherein the axis of the motor is vertical to a bottom plate, the reciprocating driving shaft is arranged on a motor shaft, and a reciprocating driving arm is arranged on the reciprocating driving shaft; a reciprocating driving rod is arranged on the reciprocating driving arm; the reciprocating driving rod is movably inserted into the reciprocating driving groove of the reciprocating driving seat; the lifting drive plate is connected with the reciprocating drive seat, and a lifting drive groove is formed in the lifting drive plate; the lifting seat is fixed on the bottom plate, a reciprocating sliding groove and a lifting hole are formed in the lifting seat, the lifting drive plate is slidably mounted in the reciprocating sliding groove, and a lifting groove is formed in the bottom of the reciprocating sliding groove; the lifting shaft is inserted in the lifting hole in a sliding manner, and the bottom of the lifting shaft is provided with a push pin block; the lifting rod is fixed on the lifting shaft and movably inserted in the lifting driving groove and the lifting groove.

In view of the above-mentioned related technologies, the inventor believes that there is a defect that the motor output shaft drives the reciprocating driving arm to perform a reciprocating motion with a certain angle around the axis of the motor output shaft, and then the reciprocating driving arm drives the reciprocating driving rod to perform a reciprocating motion with a certain angle, so that the reciprocating driving seat performs a reciprocating motion along the length direction of the reciprocating driving seat, but a certain space exists between the reciprocating driving shaft sleeve and the reciprocating driving groove, which are coaxially and rotationally connected with the reciprocating driving rod, and when the reciprocating driving shaft sleeve performs a reciprocating motion with a certain angle around the axis of the motor output shaft, the reciprocating driving seat is difficult to perform a synchronous motion with the rotation.

Disclosure of Invention

In order to enable the movement of the horizontal reciprocating plate to be more synchronous with the starting of the needle pushing motor, the application provides a high-precision needle pushing device of a computerized flat knitting machine.

The application provides a high-precision needle pushing device of computerized flat knitting machine adopts following technical scheme:

the utility model provides a high-accuracy push pin device of computerized flat knitting machine, includes the bottom plate, locate the motor cabinet of bottom plate, locate the push pin motor of motor cabinet, the one-to-one is located two push pin triangle blocks that push pin motor both sides and direction of movement perpendicular to bottom plate surface respectively, locate the bottom plate and drive two push pin triangle blocks and carry out the push pin elevating system that the dislocation goes up and down, locate two mesh triangle blocks that bottom plate and direction of movement and two push pin triangle blocks are unanimous, locate the bottom plate and drive two mesh triangle blocks and carry out the mesh elevating system that the dislocation goes up and down, push pin elevating system includes motor gear of coaxial fixed connection in the output shaft of push pin motor, mesh in the reciprocal rack of motor gear, locate the bottom plate and receive the reciprocal rack drive so that two push pin triangle blocks carry out the rack effect mechanism that the dislocation goes up and down.

Through adopting above-mentioned technical scheme, when pushing away the needle motor and starting, drive the motor gear and rotate, the motor gear can drive the reciprocal rack of meshing in step and remove for the rotation power of pushing away the needle motor can be comparatively rapid carry out the transmission, has promoted the reaction rate of integrated device to a certain extent, makes the precision of integrated device also obtain earlier relatively and promotes.

Preferably, rack effect mechanism is including locating reciprocal piece that reciprocal rack deviates from motor gear side, the one-to-one is seted up respectively in two chutes of reciprocal piece both ends department, the tip one-to-one is two drive bars of sliding connection in two chutes respectively, locate the bottom plate and driven by two drive bars and make two three hornblocks of push pin carry out the directional lifting unit who removes along the direction that perpendicular to bottom plate set up push pin motor surface, locate the bottom plate and make the rack guide assembly of reciprocal rack directional movement, two chutes carry out the symmetry setting around the central point of reciprocal piece.

Through adopting above-mentioned technical scheme, reciprocating piece carries out reciprocating motion along self length direction for two drive rods carry out the dislocation respectively and go up and down in two chutes, make the drive rod when reciprocating piece takes place to remove, also can go up and down in step thereupon, promote the precision of whole device.

Preferably, directional lifting unit includes that the one-to-one is located two directional blocks that the bottom plate is located push pin motor both sides respectively, along the direction that perpendicular to bottom plate set up push pin motor surface run through the directional circular slot of seting up in directional block length direction both ends, along directional circular slot length direction sliding connection in the directional circular slot directional pole, directional pole outer wall is located to the drive rod, directional piece outer wall is seted up and is supplied directional pole to wear to establish and follow the gliding drive rod groove of directional circular slot length direction, directional pole bottom fixed connection is in the three hornblocks of push pin.

Through adopting above-mentioned technical scheme for directional round bar can be in directional circular slot stable length direction along directional circular slot goes up and down, drives the pole groove simultaneously and can restrict the drive pole and rotate round directional round bar axis.

Preferably, the spliced eye that supplies the drive rod to peg graft is seted up to directional round bar outer wall, the sleeve ring hole that axis and spliced eye axis are the same is seted up to directional round bar outer wall, sleeve ring hole threaded connection has cup jointed in the screw sleeve of drive rod, the coaxial fixedly connected with sleeve of screw sleeve inner wall supports the piece, but drive the coaxial fixedly connected with butt of pole outer wall supports the piece in the pole that the piece was supported to the sleeve, drive the anti-rotation piece that pole outer wall fixedly connected with length direction is on a parallel with drive rod axis direction, the spliced eye is seted up and is supplied anti-rotation piece to carry out gliding anti-rotation groove along self length direction.

Through adopting above-mentioned technical scheme, will drive the pole and prevent that the piece is pegged graft corresponding to the spliced eye and prevents that the rotating groove, again with screw sleeve screw in sleeve ring hole for the sleeve supports the piece butt in the pole and supports the piece, makes then to drive the pole and can not break away from in the spliced eye, drives the pole simultaneously and can not rotate easily, makes during the screw sleeve is difficult for breaking away from sleeve ring hole, makes and drives and stably connects between pole and the directional pole.

Preferably, the rack guide assembly comprises a guide groove block arranged on the bottom plate, a guide groove which is arranged at one end, far away from the bottom plate, of the guide groove block and is used for the reciprocating piece to slide along the length direction of the guide groove block, and a guide abutting block which is arranged on the guide groove block and abuts against the reciprocating piece to deviate from the side face of the reciprocating rack.

By adopting the technical scheme, the reciprocating piece is placed in the guide groove, the guide abutting block abuts against the reciprocating piece, the reciprocating piece can be stably moved along the length direction of the reciprocating piece, meanwhile, the reciprocating rack can be well meshed with the motor gear, and meanwhile, the reciprocating piece can be conveniently separated from the guide groove.

Preferably, two directional piece all seted up towards the side of reciprocating piece and supplied reciprocating piece to carry out gliding constant head tank along self length direction.

Through adopting above-mentioned technical scheme, the piece that reciprocates is pegged graft when putting into the guide way and is got into to the constant head tank for the position of the piece that reciprocates can not take place great deviation, makes the installation of the piece that reciprocates comparatively accurate, also helps simplifying the installation of the piece that reciprocates simultaneously.

Preferably, the side of the reciprocating rack facing the bottom plate is fixedly connected with a rack connecting block, and the side of the reciprocating piece facing away from the reciprocating rack is provided with a fastening screw in threaded connection with the rack connecting block.

Through adopting above-mentioned technical scheme, can unscrew fastening screw, change reciprocal rack or reciprocal piece alone, avoid need changing reciprocal piece and reciprocal rack together, comparatively extravagant resource.

Preferably, the mesh lifting mechanism comprises a mesh motor arranged on the bottom plate, a motor plate fixedly connected with the mesh motor and used for the penetration of an output shaft of the mesh motor, a mesh motor gear coaxially and fixedly connected with the output shaft of the mesh motor, a mesh reciprocating sheet meshed with the mesh motor gear on one side, and two mesh chutes respectively arranged at two ends of the mesh reciprocating sheet in the length direction in a one-to-one correspondence manner, the one-to-one respectively sliding connection is in two drive circles of two degree mesh chutes, the one-to-one respectively fixed connection is in two degree mesh directional moving blocks that drive the circle block and deviate from degree mesh reciprocating piece one end, locate the motor board and make degree mesh guiding component of degree mesh reciprocating piece steady movement, locate the motor board and make degree mesh directional moving block carry out the degree mesh orienting mechanism that steady movement was carried out along the direction of perpendicular to bottom plate, two degree mesh directional moving blocks towards bottom plate one end respectively fixed connection in two degree mesh three hornblocks.

Through adopting above-mentioned technical scheme, drive degree mesh reciprocating plate through degree mesh motor gear and carry out reciprocating motion for two directional movable blocks of degree mesh can carry out dislocation lift, and degree mesh elevating system is comparatively unanimous with push pin elevating system, makes comparatively convenient to degree mesh elevating system and push pin elevating system's maintenance.

Preferably, degree mesh guiding mechanism is including rotating two degree mesh upper pulleys of connecting in motor board and roll connection in degree mesh reciprocating piece and deviating from the bottom plate side, roll connection in degree mesh reciprocating piece towards the bottom plate side under the degree mesh pulley, rotate and connect in degree mesh lower pulley and laminate in degree mesh reciprocating piece's lower pulley piece, can dismantle and connect in the degree mesh shell that the motor board deviates from degree mesh motor side, set up in lower pulley piece towards degree mesh shell side and supply degree mesh shell part to carry out the lower pulley piece fixed slot of pegging graft.

Through adopting above-mentioned technical scheme for two degree mesh upper pulleys and degree mesh gliding pulley carry out a better restriction effect in the direction of movement of degree mesh reciprocating piece, pass through rolling connection between degree mesh reciprocating piece and the degree mesh upper pulleys and the degree mesh gliding pulley simultaneously, have reduced frictional force, make the removal of degree mesh reciprocating piece more smooth and easy.

Preferably, the stitch orientation mechanism comprises a stitch orientation block fixedly connected to one end of the stitch orientation moving block, which is far away from the bottom plate, and a stitch orientation groove which is formed in the stitch shell and used for the stitch orientation block to slide along a direction perpendicular to the bottom plate.

Through adopting above-mentioned technical scheme for degree mesh orientation piece can be stable carries out a stable removal along degree mesh orientation groove, makes then degree mesh triangle piece can be stable to be removed along set direction.

In summary, the invention includes at least one of the following beneficial technical effects:

when the push pin motor is started, the motor gear is driven to rotate, and the motor gear can synchronously drive the meshed reciprocating racks to move, so that the rotating power of the push pin motor can be rapidly transmitted, the reaction speed of the whole device is improved to a certain extent, and the precision of the whole device is relatively improved;

the stitch orientation block can stably move along the stitch orientation groove, and then the stitch triangle block can stably move along the set direction.

Drawings

FIG. 1 is a schematic diagram of the main structure of the present invention;

FIG. 2 is a schematic view of the internal structure of a part of an explosion with the reciprocating piece and the guide resisting block far away from the motor base along the width direction of the base plate;

FIG. 3 is a partial cross-sectional view of an orientation seat and an internal structure of a threaded cylinder that explodes along its length;

FIG. 4 is a schematic view showing the internal structure of a stitch lifting mechanism in which the stitch casing is exploded in the width direction of the base plate;

fig. 5 is a schematic view of the internal structure of a stitch-oriented moving block and a lower pulley plate exploding in the width direction of a base plate.

In the figure, 1, a bottom plate; 11. a mesh orientation slot; 12. a vertical block groove; 13. a vertical block; 2. a motor base; 21. a mesh chute; 22. driving the round block; 23. a mesh directional moving block; 24. a pulley is arranged on the mesh; 25. a lower pulley is arranged; 26. a lower pulley piece; 27. a mesh shell; 28. a lower pulley piece fixing groove; 29. a mesh orientation block; 3. a push pin motor; 31. a guide groove; 32. a guide abutting block; 33. positioning a groove; 34. a rack connecting block; 35. fastening screws; 36. a mesh motor; 37. a motor plate; 38. a mesh motor gear; 39. reciprocating tablets for mesh; 4. a push pin triangular block; 41. an orientation round bar; 42. inserting holes; 43. a sleeve circular ring hole; 44. a threaded sleeve; 45. a sleeve abutting block; 46. a rod resisting block; 47. a rotation prevention block; 48. an anti-rotation slot; 49. a guide groove block; 5. a stitch triangle block; 51. a motor gear; 52. a reciprocating rack; 53. a reciprocating sheet; 54. a driving rod slot; 55. a gear groove; 56. a chute; 57. driving the rod; 58. an orientation block; 59. and (4) orienting the circular groove.

Detailed Description

The present application will now be described in further detail with reference to the accompanying drawings.

The embodiment of the application discloses computerized flat knitting machine's high accuracy push pin device, refer to fig. 1, include and be horizontally bottom plate 1 under the display mode, 1 upper surface of bottom plate wears to be equipped with two and is the three hornblocks 4 of horizontally pushing pin along vertical direction, two three hornblocks 4 of pushing pin are close to in 1 length direction's of bottom plate side, 1 upper surface of bottom plate is located and can dismantle through the screw between two three hornblocks 4 of pushing pin and be connected with motor cabinet 2, 2 upper surfaces of motor cabinet have the output shaft to be vertical push pin motor 3 through the screw detachable connection, 1 upper surface mounting of bottom plate has the push pin elevating system that can drive two three hornblocks 4 of pushing pin and carry out the dislocation and go up and down.

Referring to fig. 1 and 2, the push pin lifting mechanism includes a gear groove 55 provided on the upper surface of the motor base 2 and allowing the push pin motor 3 to extend into, a motor gear 51 is coaxially and fixedly connected to the end of the push pin motor 3 located in the gear groove 55, the motor gear 51 is engaged with a vertical reciprocating rack 52, the length direction of the reciprocating rack 52 is parallel to the length direction of the base plate 1, a rack action mechanism driven by the reciprocating rack 52 to make the two push pin triangular blocks 4 perform dislocation lifting is installed on the upper surface of the base plate 1, the rack action mechanism includes a vertical reciprocating plate 53 attached to the side of the reciprocating rack 52 away from the motor gear 51, the length direction of the reciprocating plate 53 is parallel to the length direction of the base plate 1, a rack connecting block 34 is fixedly connected to the bottom surface of the reciprocating rack 52, a fastening screw 35 screwed to the rack connecting block 34 is inserted to the side of the reciprocating plate 53 away from the reciprocating rack 52, a rack guide assembly for making the reciprocating, the rack guide assembly comprises a guide groove block 49 detachably connected to the upper surface of the base plate 1 through screws, the length direction of the guide groove block 49 is parallel to the length direction of the base plate 1, two length direction end parts of the guide groove block 49 are penetrated and provided with guide grooves 31 along the length direction, the guide grooves 31 penetrate through the upper surface of the guide groove block 49 and the vertical side surfaces of the guide groove block 49 departing from the motor gear 51, a reciprocating piece 53 is slidably connected to the guide grooves 31 along the length direction, the bottom of the guide groove block 49 is detachably connected with a guide abutting piece 32 through screws, the upper part of the guide abutting piece 32 abuts against the vertical side surfaces of the reciprocating piece 53 departing from the guide grooves 31, inclined grooves 56 are penetrated and provided on the vertical side surfaces of the two length direction ends of the reciprocating piece 53, the two inclined grooves 56 are symmetrically arranged around the central point of the reciprocating piece 53, the height of the adjacent ends of, two chute 56 all sliding connection have length direction to be on a parallel with the drive pole 57 of 1 width direction of bottom plate, and two drive poles 57 carry out dislocation along vertical direction and go up and down, and bottom plate 1 installs and is driven by two drive poles 57 and make two directional lifting unit that the three hornblocks of push-pin 4 removed along vertical direction.

Referring to fig. 2 and 3, the directional lifting assembly includes two directional blocks 58 detachably connected to the upper surface of the bottom plate 1 by screws, two directional blocks 58 are vertically penetrated by a directional circular groove 59, one end of each of the two driving rods 57 far from the reciprocating plate 53 is provided with a vertical directional circular rod 41, the two directional circular rods 41 are respectively connected to the two directional circular grooves 59 in a vertical sliding manner, inner walls of the two directional circular grooves 59 far from the reciprocating plate 53 are vertically provided with vertical block grooves 12 penetrating through the upper surface and the lower surface of the directional blocks 58, vertical outer walls of the circumferences of the two directional circular rods 41 are fixedly connected with vertical blocks 13 vertically slidably connected to the vertical block grooves 12, vertical sides of the two directional blocks 58 facing the reciprocating plate 53 are provided with driving rod grooves 54 communicated with the similar directional circular grooves 59, the driving rods 57 penetrate through the driving rod grooves 54, vertical sides of the directional blocks 58 facing the reciprocating plate 53 are provided with positioning grooves 33 for the reciprocating plate 53 to move in the length direction of the bottom plate 1, the vertical outer wall of the circumference of the directional round rod 41 facing the driving rod 57 is provided with an inserting hole 42 for inserting the end part of the driving rod 57, the inner wall of the circumference of the inserting hole 42 is provided with an anti-rotating groove 48, the outer wall of the circumference of the driving rod 57 is fixedly connected with an anti-rotating block 47 which can be inserted into the anti-rotating groove 48 along the length direction of the driving rod 57, the vertical outer wall of the circumference of the directional round rod 41 is provided with a sleeve ring hole 43 with the same axis as that of the inserting hole 42, the sleeve ring hole 43 is in threaded connection with a threaded sleeve 44 coaxially sleeved on the driving rod 57, one end of the threaded sleeve 44 far away from the directional round rod 41 is fixedly connected with a sleeve abutting block 45, the circumferential outer wall of the driving rod 57 is fixedly connected with a rod abutting block 46, the side of the rod abutting block 46 far away from the directional round rod 41 abuts against the side of the sleeve abutting block 45 facing the directional round, the bottom ends of the two directional round rods 41 are respectively and fixedly connected with the two push pin triangular blocks 4.

Referring to fig. 4 and 5, two vertical stitch triangular blocks 5 are arranged on the upper surface of a bottom plate 1 in a penetrating manner along the vertical direction, the two stitch triangular blocks 5 are close to the side edge of the bottom plate 1 away from the length direction of the two push pin triangular blocks 4, a stitch lifting mechanism capable of driving the two stitch triangular blocks to perform dislocation lifting along the vertical direction is arranged on the bottom plate 1, the stitch lifting mechanism comprises a stitch motor 36 detachably connected to the upper surface of the bottom plate 1 through screws, the length direction of an output shaft of the stitch motor 36 is parallel to the width direction of the bottom plate 1, a motor plate 37 which is vertical and is used for an output shaft of the stitch motor 36 to penetrate is detachably connected to the side surface of the output shaft of the stitch motor 36 through screws, the width direction of the upper surface of the motor plate 37 is parallel to the width direction of the bottom plate 1, a stitch motor gear 38 is coaxially and fixedly connected to the output shaft of the stitch motor 36, a stitch reciprocating piece 39 with the length, the mesh reciprocating sheet 39 is vertical, the motor plate 37 is provided with a mesh guiding assembly which enables the mesh reciprocating sheet 39 to stably move, the mesh guiding assembly comprises two mesh upper pulleys 24 which are rotatably connected with the motor plate 37, the two mesh upper pulleys 24 are connected with the upper surface of the mesh reciprocating sheet 39 in a rolling way, the lower surface of the mesh reciprocating sheet 39 is connected with a mesh lower pulley 25 in a rolling way, the two mesh upper pulleys 24 are respectively positioned at two sides of the mesh lower pulley 25, the mesh lower pulley 25 is close to the center of the lower part of the motor plate 37, the side of the mesh lower pulley 25 departing from the motor plate 37 is rotatably connected with a vertical lower pulley sheet 26, the lower pulley sheet 26 is attached to the mesh reciprocating sheet 39, the motor plate 37 is detachably connected with a matched mesh shell 27 through screws, the lower pulley sheet 26 is provided with a lower pulley sheet fixing groove 28 towards the vertical side of the mesh shell 27 for correspondingly inserting the inner part of the mesh shell 27, the axial line of the lower pulley piece fixing groove 28 is the same as that of the mesh lower pulley 25, mesh chutes 21 are formed at two ends of the mesh reciprocating piece 39 in the length direction in a penetrating manner, the two mesh chutes 21 are symmetrically arranged around the center point of the mesh reciprocating piece 39, the height of the close end of each of the two mesh chutes 21 is lower than the height of the far end of each of the two mesh chutes 21, driving round blocks 22 are connected in the two mesh chutes 21 in a sliding manner, vertical mesh directional moving blocks 23 are fixedly connected at one end of each of the two driving round blocks 22, which is far away from the motor plate 37, the length direction of each of the mesh directional moving blocks 23 is vertical, the bottom ends of the two mesh directional moving blocks 23 are respectively and fixedly connected to the two mesh triangular blocks 5, a mesh directional mechanism for stably moving the mesh directional moving blocks 23 in the vertical direction is installed on the motor plate 37, the mesh directional mechanism comprises two mesh directional blocks 29 fixedly connected to the upper parts of the, the mesh orientation groove 11 that supplies mesh orientation piece 29 to remove along vertical direction is seted up along vertical direction to mesh shell 27 upper surface, and mesh shell 27 is towards the reciprocal piece 39 of side phase matching mesh of motor board 37 and the directional movable block 23 of mesh for the movement of relevant part can not be influenced to mesh shell 27.

The implementation principle of the high-precision needle pushing device of the computerized flat knitting machine is as follows: the push pin motor 3 carries out reciprocating not equidirectional rotation for motor gear 51 carries out not equidirectional rotation, and motor gear 51 drives reciprocal rack 52 simultaneously and carries out reciprocating motion along self length direction, makes then two drive rods 57 carry out the dislocation lift along vertical direction in two chutes 56, and two drive rods 57 drive two directional round bars 41 again and carry out the dislocation lift along vertical direction, and two directional round bars 41 drive two push pin hornblocks 4 and carry out the dislocation lift along vertical direction.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a computerized flat knitting machine's high accuracy push away needle device, comprising a base plate (1), locate motor cabinet (2) of bottom plate (1), locate push away needle motor (3) of motor cabinet (2), the one-to-one is located two three hornblocks (4) of push away needle that push away needle motor (3) both sides and moving direction perpendicular to bottom plate (1) surface respectively, locate bottom plate (1) and drive two three hornblocks (4) of push away needle and carry out the push away needle elevating system that the dislocation goes up and down, locate two degree mesh three hornblocks (5) of bottom plate (1) and moving direction and two three hornblocks (4) unanimous of push away needle, locate bottom plate (1) and drive two degree mesh three hornblocks (5) and carry out the degree mesh elevating system that the dislocation goes up and down, its characterized in: the push pin lifting mechanism comprises a motor gear (51) coaxially and fixedly connected to an output shaft of the push pin motor (3), a reciprocating rack (52) meshed with the motor gear (51), and a rack acting mechanism which is arranged on the bottom plate (1) and driven by the reciprocating rack (52) to enable the two push pin triangular blocks (4) to be lifted in a staggered mode.

2. The high-precision needle pushing device of the computerized flat knitting machine according to claim 1, wherein: the rack action mechanism comprises a reciprocating piece (53) arranged on the side face, deviating from the motor gear (51), of a reciprocating rack (52), two chutes (56) arranged at two ends of the reciprocating piece (53) in a one-to-one correspondence mode, two driving rods (57) connected with the two chutes (56) in a sliding mode in a one-to-one correspondence mode at end portions, a directional lifting assembly arranged on the base plate (1) and driven by the two driving rods (57) to enable the two push pin triangular blocks (4) to move along the direction perpendicular to the surface of the base plate (1) and provided with the push pin motor (3), a rack guide assembly arranged on the base plate (1) and enabling the reciprocating rack (52) to move directionally, and the two chutes (56) are symmetrically arranged around the central point of the reciprocating piece (53).

3. The high-precision needle pushing device of the computerized flat knitting machine according to claim 2, wherein: directional lifting unit includes that the one-to-one is located two directional piece (58) that bottom plate (1) is located push pin motor (3) both sides respectively, run through directional circular slot (59) of seting up in directional piece (58) length direction both ends along the direction that perpendicular to bottom plate (1) set up push pin motor (3) surface, along directional circular slot (59) length direction sliding connection in directional circular slot (41) of directional circular slot (59), drive pole (57) are located directional circular pole (41) outer wall, directional piece (58) outer wall has been seted up and has been supplied directional circular pole (41) to wear to establish and follow directional circular slot (59) length direction gliding drive pole groove (54), directional circular pole (41) bottom fixed connection is in push pin triangular block (4).

4. The high-precision needle pushing device of the computerized flat knitting machine according to claim 3, wherein: the directional round rod (41) outer wall is provided with a splicing hole (42) for driving a rod (57) to be spliced, the directional round rod (41) outer wall is provided with a sleeve ring hole (43) with the same axis as the splicing hole (42), the sleeve ring hole (43) is in threaded connection with a threaded sleeve (44) sleeved on the driven rod (57), the inner wall of the threaded sleeve (44) is coaxially and fixedly connected with a sleeve abutting block (45), the outer wall of the driven rod (57) is coaxially and fixedly connected with a rod abutting block (46) capable of abutting against the sleeve abutting block (45), the outer wall of the driven rod (57) is fixedly connected with an anti-rotation block (47) with the length direction parallel to the axis direction of the driven rod (57), and the splicing hole (42) is provided with an anti-rotation groove (48) for preventing the anti-rotation block (47) to slide along the length.

5. The high-precision needle pushing device of the computerized flat knitting machine according to claim 4, wherein: the rack guide assembly comprises a guide groove block (49) arranged on the bottom plate (1), a guide groove (31) which is arranged at one end, far away from the bottom plate (1), of the guide groove block (49) and is used for the reciprocating sheet (53) to slide along the length direction of the guide groove, and a guide abutting block (32) which is arranged on the guide groove block (49) and abuts against the side face, away from the reciprocating rack (52), of the reciprocating sheet (53).

6. The high-precision needle pushing device of the computerized flat knitting machine according to claim 5, wherein: two directional blocks (58) all offer towards reciprocating piece (53) the side of piece (53) and supply reciprocating piece (53) to carry out gliding constant head tank (33) along self length direction.

7. The high-precision needle pushing device of the computerized flat knitting machine according to claim 6, wherein: the side face, facing the bottom plate (1), of the reciprocating rack (52) is fixedly connected with a rack connecting block (34), and the side face, facing away from the reciprocating rack (52), of the reciprocating sheet (53) penetrates through a fastening screw (35) which is in threaded connection with the rack connecting block (34).

8. The high-precision needle pushing device of the computerized flat knitting machine according to claim 7, wherein: the mesh lifting mechanism comprises a mesh motor (36) arranged on the bottom plate (1), a motor plate (37) fixedly connected to the mesh motor (36) and used for the output shaft of the mesh motor (36) to penetrate, a mesh motor gear (38) coaxially and fixedly connected to the output shaft of the mesh motor (36), a mesh reciprocating piece (39) meshed with the mesh motor gear (38) on one side, two mesh chutes (21) arranged at two ends of the mesh reciprocating piece (39) in the length direction in a one-to-one correspondence mode, two driving round blocks (22) in sliding connection with the two mesh chutes (21) in a one-to-one correspondence mode, two mesh directional moving blocks (23) fixedly connected to one ends of the two driving round blocks (22) and deviated from the mesh reciprocating piece (39) in a one-to-one correspondence mode, a mesh guide assembly arranged on the motor plate (37) and used for enabling the mesh reciprocating piece (39) to stably move, and a motor plate (37) and used for enabling the mesh directional moving blocks (23) to carry out movement in the direction perpendicular to the bottom plate The degree of moving is directional mechanism steadily, and two degree directional movable blocks (23) are towards bottom plate (1) one end fixed connection respectively in two degree triangle blocks (5).

9. The high-precision needle pushing device of the computerized flat knitting machine according to claim 8, wherein: degree mesh guiding mechanism is including rotating two degree mesh upper pulley (24) of connecting in motor board (37) and roll connection in degree mesh reciprocating piece (39) and deviating from bottom plate (1) side, roll connection in degree mesh reciprocating piece (39) towards bottom plate (1) side degree mesh lower pulley (25), rotate and connect in degree mesh lower pulley (25) and laminate in degree mesh reciprocating piece (39) lower pulley piece (26), can dismantle and connect in motor board (37) degree mesh shell (27) of deviating from degree mesh motor (36) side, set up in lower pulley piece (26) towards degree mesh shell (27) side and supply degree mesh shell (27) part to carry out lower pulley piece fixed slot (28) of pegging graft.

10. The high-precision needle pushing device of the computerized flat knitting machine according to claim 9, wherein: the mesh orientation mechanism comprises a mesh orientation block (29) fixedly connected to one end, deviating from the bottom plate (1), of a mesh orientation moving block (23), and a mesh orientation groove (11) which is formed in a mesh shell (27) and used for enabling the mesh orientation block (29) to slide in the direction perpendicular to the bottom plate (1).

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