CN216919615U

CN216919615U - Back needle bed triple-speed transmission mechanism of double-needle bed warp knitting machine

Info

Publication number: CN216919615U
Application number: CN202122814950.6U
Authority: CN
Inventors: 刘荣升
Original assignee: Jiangsu Jinhongtai Electromechanical Technology Co ltd
Current assignee: Jiangsu Jinhongtai Electromechanical Technology Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-07-08
Anticipated expiration: 2031-11-17

Abstract

The utility model relates to a back needle bed triple-speed transmission mechanism of a double needle bed warp knitting machine, which comprises a frame, wherein a main shaft is arranged on the frame, an eccentric wheel is connected on the main shaft in a rotating way, a driving block is arranged on the eccentric wheel, one end of the driving block is connected with a first gear in a sliding way, an input shaft is arranged on the frame, a second gear and two auxiliary gears which are meshed with the first gear are arranged on the input shaft, the number of teeth of the second gear is three times that of the first gear, a transmission gear which is meshed with the auxiliary gears is arranged on the frame, a protection frame is arranged on the frame, the rotating speed of the first gear can be three times higher than that of the second gear through the first gear and the second gear, the running speed of the warp knitting machine is further improved, the highest speed of the warp knitting machine can be adjusted through the auxiliary gears and the transmission gear, and the running speed of the warp knitting machine can be changed according to actual situations, the second gear can be protected by the protective frame.

Description

Back needle bed triple-speed transmission mechanism of double needle bed warp knitting machine

Technical Field

The utility model relates to the technical field of mechanical transmission structures, in particular to a back needle bed triple-speed transmission mechanism of a double-needle bed warp knitting machine.

Background

One or more groups of parallel arranged yarns are used for forming a knitted fabric on all working needles of a warp feeding machine simultaneously by looping, the method is called warp knitting, the fabric is called warp knitting fabric, a machine for completing the warp knitting is called a warp knitting machine, the existing needle bed transmission structure of the warp knitting machine mainly adopts an eccentric wheel structure, one eccentric wheel is cylindrical and is provided with two holes, one is a driving hole and the other is a rotating hole, one hole is driven to rotate around the other hole by a power source, and then one end of a wheel sleeve outside the eccentric wheel is driven to do reciprocating motion, application No. CN201621462364.2 discloses a backswing motion mechanism of a double needle bed warp knitting machine, an independent mechanism is adopted for transmission, the connection and the transmission among all transmission parts are reliable and are not easy to wear, the accumulated precision error among all the transmission parts can be effectively reduced, the transmission smoothness is greatly increased, and the operation speed of the machine is greatly improved, however, the device has no structure for improving the running speed, the running speed of the warp knitting machine is only related to the rotating speed of a power source, namely the motor, the highest running speed cannot be changed, the efficiency cannot be improved when the device is used, and in addition, the warp knitting machine is subjected to factors such as internal structure aging and material use limitation, and the highest running speed needs to be adjusted.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a back needle bed triple-speed transmission mechanism of a double-needle bed warp knitting machine.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a back needle bed triple-speed transmission mechanism of a double needle bed warp knitting machine comprises a frame, wherein a main shaft is arranged on the frame, an eccentric wheel is rotatably connected on the main shaft, a shaft sleeve is rotatably connected on the outer side of the eccentric wheel, one end of the shaft sleeve is connected with a connecting rod and a fixed rod through a rotating shaft, one end of the fixed rod is connected with the frame through a rotating shaft, the eccentric wheel is provided with a driving block, one end of the driving block is connected with a first gear in a sliding way, the first gear is connected with the main shaft through a bearing, an input shaft is arranged on the frame, a second gear and two auxiliary gears which are meshed with the first gear are arranged on the input shaft, the number of teeth of the second gear is three times that of the first gear, a transmission gear meshed with the pinion is arranged on the rack, the main shaft is provided with a moving assembly, the rack is provided with a protection frame, and the protection frame is movably connected with the second gear and the auxiliary gear.

Preferably, the protective frame is connected with a connecting pipe through a bearing, the connecting pipe is connected with the second gear and the auxiliary gear, the protective frame is provided with two connecting frames, the transmission gear is connected with the connecting frames through a rotating shaft, and the connecting frames are connected with the protective frame through bolts. The second gear, the pinion and the transmission gear can be fixed and protected through the protection frame.

Preferably in further, be provided with the spread groove on the connecting pipe, be provided with the connecting strip on the input shaft, connecting strip and spread groove correspond the setting, bolted connection is passed through to protection frame and frame, can input shaft and connecting pipe realization synchronous rotation through connecting strip and spread groove to installation and dismantlement between input shaft and the connecting pipe also can be very convenient.

In a further preferred embodiment, a blocking ring is provided between the second gear and the pinion and between the second gear and the pinion, and the second gear or the pinion and the connecting pipe are connected by a bolt. The barrier ring provides space for the installation of the connecting frame.

In further preferred, remove the subassembly including removing bolt, holding ring, fixed plate and registration arm, be provided with three constant head tank on the registration arm, remove bolt and fixed plate and rotate to be connected, and with main shaft threaded connection, be provided with the arch on the holding ring, holding ring and constant head tank correspond the setting, holding ring and main shaft rotate to be connected. The main shaft can be moved more easily and conveniently by the moving assembly, so that the first gear on the main shaft is meshed with different transmission gears, and the highest rotating speed of the first gear is further adjusted.

Preferably, the positioning ring is provided with a driving rod, the fixing plates on two sides of the movable bolt are both provided with openings and are arranged corresponding to the fixing rods. The positioning ring can be more conveniently rotated through the driving rod.

(III) advantageous effects

Compared with the prior art, the utility model provides a back needle bed triple-speed transmission mechanism of a double-needle bed warp knitting machine, which has the following beneficial effects:

the first gear, the second gear and the input shaft can increase the rotating speed of the eccentric wheel, so that the rotating speed of the eccentric wheel is increased by three times compared with the eccentric wheel directly connected with a power source, the speed of a back needle bed connected with a connecting rod is increased by three times, the position of the first gear is adjusted to be meshed with different transmission gears, power can be transmitted to the first gear through different auxiliary gears, the size of the auxiliary gears is smaller than that of the first gear, the rotating speed of the eccentric wheel can be changed, and the rotating speed of the eccentric wheel can be multiple due to the addition of the second gear;

the second, can protect second gear, pinion and drive gear through the protection frame to combine second gear, pinion and drive gear together, through connecting pipe and input shaft, compare in second gear and pinion directness and input shaft connection, can be when dismantling, need not tear second gear and pinion apart, it is more convenient in the time of the maintenance.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the matching structure of the first gear, the second gear, the pinion, the transmission gear, the connecting frame, the protective frame and the input shaft in the present invention;

FIG. 3 is a schematic sectional view showing the second gear, the pinion, the input shaft and the connecting pipe according to the present invention;

FIG. 4 is a schematic view of a moving assembly according to the present invention;

FIG. 5 is a partial schematic view of A in FIG. 1;

fig. 6 is a partial structural diagram of B in fig. 2.

In the figure: 1. a frame; 2. a main shaft; 3. an eccentric wheel; 4. a shaft sleeve; 5. a connecting rod; 6. a fixing rod; 7. A drive block; 8. a first gear; 9. an input shaft; 10. a second gear; 11. a pinion gear; 12. a transmission gear; 13. a protective frame; 14. a connecting pipe; 15. a connecting frame; 16. connecting grooves; 17. a connecting strip; 18. A barrier ring; 19. moving the bolt; 20. a positioning ring; 21. a fixing plate; 22. a positioning tube; 23. positioning a groove; 24. a protrusion; 25. a drive rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-6, a back needle bed triple-speed transmission mechanism of a double needle bed warp knitting machine comprises a frame 1, a main shaft 2 is arranged on the frame 1, an eccentric wheel 3 is rotatably connected on the main shaft 2, a shaft sleeve 4 is rotatably connected on the outer side of the eccentric wheel 3, one end of the shaft sleeve 4 is connected with a connecting rod 5 and a fixed rod 6 through a rotating shaft, one end of the fixed rod 6 is connected with the frame 1 through the rotating shaft, a driving block 7 is arranged on the eccentric wheel 3, one end of the driving block 7 is slidably connected with a first gear 8, the first gear 8 is connected with the main shaft 2 through a bearing, an input shaft 9 is arranged on the frame 1, a second gear 10 meshed with the first gear 8 and two auxiliary gears 11 are arranged on the input shaft 9, the number of teeth of the second gear 10 is three times of that of the first gear 8, a transmission gear 12 meshed with the auxiliary gears 11 is arranged on the frame 1, a moving assembly is arranged on the main shaft 2, a protection frame 13 is arranged on the frame 1, the protective frame 13 is movably connected with the second gear 10 and the pinion 11.

In this embodiment, a connecting pipe 14 is connected to a protection frame 13 through a bearing, the connecting pipe 14 is connected to the second gear 10 and the pinion 11, two connecting frames 15 are arranged on the protection frame 13, the transmission gear 12 is connected to the connecting frames 15 through a rotating shaft, the connecting frames 15 are connected to the protection frame 13 through bolts, the protection frame 13 protects the second gear 10, the pinion 11 and the transmission gear 12, the transmission gear 12 is fixed to the protection frame 13 through the connecting frames 15, the second gear 10 is rotatably connected to the protection frame 13 through the connecting pipe 14, when the input shaft 9 rotates, the connecting pipe 14 is first driven, and the second gear 10 is driven to rotate with respect to the pinion 11.

In this embodiment, the connecting pipe 14 is provided with a connecting groove 16, the input shaft 9 is provided with a connecting strip 17, the connecting strip 17 and the connecting groove 16 are correspondingly arranged, and the protective frame 13 is connected with the rack 1 through a bolt. The input shaft 9 and the connecting pipe 14 are connected through a connecting strip 17 and a connecting groove 16, so that the two can synchronously rotate, and meanwhile, the connecting groove 16 and the connecting strip 17 are more convenient to disassemble the input shaft 9.

In the present embodiment, a stopper ring 18 is provided between the second gear 10 and the pinion 11, and the second gear 10 or the pinion 11 and the connection pipe 14 are connected by a bolt. The blocking ring 18 separates the second gear 10 from the pinion 11 and the pinion 11, and may provide a space for the mounting of the connecting frame 15 when mounted.

In this embodiment, the moving assembly includes a moving bolt 19, a positioning ring 20, a fixed plate 21 and a positioning tube 22, three positioning grooves 23 are provided on the positioning tube 22, the moving bolt 19 is rotatably connected with the fixed plate 21, and is connected with the main shaft 2 by screw thread, a bulge 24 is arranged on the positioning ring 20, the positioning ring 20 is arranged corresponding to the positioning groove 23, the positioning ring 20 is connected with the main shaft 2 in a rotating way, the fixing plate 21 is fixed on the outer shell or the inner part of the warp knitting machine, when the first gear 8 needs to be moved and the maximum rotating speed of the warp knitting machine is adjusted, the moving bolt 19 is firstly rotated to move the main shaft 2, so that the projection 24 of the positioning ring 20 on the spindle 2 is moved out of the positioning slot 23, and at this time the positioning ring 20 is rotated, so that the projection 24 of the positioning ring 20 is aligned with another positioning slot 23, the moving bolt 19 is rotated in the reverse direction to move the main shaft 2, so that the protrusion 24 on the positioning ring 20 enters the positioning groove 23.

In this embodiment, the positioning ring 20 is provided with a driving rod 25, and the fixing plates 21 on both sides of the moving bolt 19 are provided with openings and are arranged corresponding to the fixing rods 6. The positioning ring 20 can be rotated by pulling the driving rod 25, and the positioning ring 20 can be adjusted on the outer side of the shell of the warp knitting machine.

Example 2:

referring to fig. 1-6, in use, the frame 1 is installed inside the double needle bed warp knitting machine, the input shaft 9 is connected with the power source, the connecting rod 5 is connected with the back needle bed, the fixing plate 21 is fixed inside the warp knitting machine or on the outer shell of the warp knitting machine, the power source rotates the input shaft 9, the input shaft 9 drives the connecting pipe 14 to rotate through the connecting strip 17 and the connecting groove 16, and further drives the second gear 10 and the pinion 11 to rotate, the second gear 10 drives the first gear 8 to rotate, the rotation speed ratio of the first gear 8 and the second gear 10 is three to one, when the first gear 8 rotates, the eccentric wheel 3 is driven by the driving block 7 to rotate around the main shaft 2, when the eccentric wheel 3 rotates, the shaft sleeve 4 is driven to move, the shaft sleeve 4 reciprocates in the vertical direction, when the shaft sleeve 4 seat reciprocates, the needle bed connected with the top end of the connecting rod 5 is driven to move up and down, meanwhile, the fixed rod 6 is connected with the shaft sleeve 4 to limit the position of the shaft sleeve 4, so that the shaft sleeve 4 can only move under the driving of the eccentric wheel 3, when the highest running speed of the back needle bed needs to be changed, the movable bolt 19 needs to be screwed to move the main shaft 2 until the positioning ring 20 on the main shaft 2 moves out of the positioning groove 23 on the positioning pipe 22, at the moment, the driving rod 25 is rotated, the positioning ring 20 rotates to further align the positioning ring 20 with one positioning groove 23, then the movable bolt 19 is rotated to move the main shaft 2, the protrusion 24 of the positioning ring 20 on the main shaft 2 moves into the positioning groove 23, and the main shaft 2 is screwed to be fixed, at the moment, the first gear 8 on the main shaft 2 moves along with the movement of the main shaft 2 and is meshed with one of the transmission gears 12, at the moment, the input shaft 9 is rotated, the gear for providing power for the first gear 8 becomes the auxiliary gear 11, the pinion 11 is smaller than the second gear 10, and after the power is transmitted to the first gear 8 through the transmission gear 12, the rotating speed of the first gear 8 is reduced under the condition that the rotating speeds of the second gear 10 and the pinion 11 are not changed, and then the maximum running speed of the back needle bed is reduced.

Example 3:

referring to fig. 1-6, when a certain second gear 10, a pinion 11 or a transmission gear 12 in the warp knitting machine is damaged, the warp knitting machine is opened first, the input shaft 9 is detached, the connection between the two ends of the input shaft 9 and other equipment is detached, the input shaft 9 is directly pulled out, then the bolt for fixing the protective frame 13 is detached, the second gear 10, the pinion 11 and the transmission gear 12 can be detached, if the transmission gear 12 is damaged, the connecting frame 15 for fixing the pinion 11 is directly detached, the transmission gear 12 can be detached, then a new transmission gear 12 is replaced, if the first gear 8 or the pinion 11 is damaged, the bolt for fixing the pinion 11 and the second gear 10 is detached first, then the pinion 11 and the second gear 10 can be detached, the second gear 10 or the pinion 11 which is replaced is operated in the reverse direction, that is, the second gear 10, the pinion 11 and the pinion 11 are separated by the blocking ring 18 to provide a space for installing the connecting frame 15, after the second gear is replaced, the protecting frame 13 is installed, and then the second gear is inserted into the input shaft 9, and the connecting strip 17 of the input shaft 9 is inserted into the connecting groove 16 at the inner side of the connecting pipe 14, so that the connecting pipe 14 can rotate synchronously with the input shaft 9, and thus the replacement is completed.

While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and variations may be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a double needle bar tricot machine back needle bed triple speed drive mechanism, includes frame (1), be provided with main shaft (2) on frame (1), it is connected with eccentric wheel (3) to rotate on main shaft (2), eccentric wheel (3) outside is rotated and is connected with axle sleeve (4), the one end of axle sleeve (4) is connected with connecting rod (5) and dead lever (6) through the pivot, the one end and frame (1) of dead lever (6) are connected its characterized in that through the pivot: be provided with drive block (7) on eccentric wheel (3), the one end sliding connection of drive block (7) has first gear (8), first gear (8) and main shaft (2) are connected through the bearing, be provided with input shaft (9) on frame (1), be provided with on input shaft (9) with second gear (10) and two pinion (11) of first gear (8) meshing, the number of teeth of second gear (10) is the triple of first gear (8), be provided with on frame (1) with pinion (11) meshing drive gear (12), be provided with the removal subassembly on main shaft (2), be provided with on frame (1) and protect frame (13), protection frame (13) and second gear (10) and pinion (11) swing joint.

2. The back needle bed triple-speed transmission mechanism of the double needle bed warp knitting machine as claimed in claim 1, characterized in that: the connecting device is characterized in that a connecting pipe (14) is connected to the protective frame (13) through a bearing, the connecting pipe (14) is connected with the second gear (10) and the auxiliary gear (11), two connecting frames (15) are arranged on the protective frame (13), the transmission gear (12) is connected with the connecting frames (15) through a rotating shaft, and the connecting frames (15) are connected with the protective frame (13) through bolts.

3. The back needle bed triple speed transmission mechanism of the double needle bed warp knitting machine as claimed in claim 2, characterized in that: be provided with connecting groove (16) on connecting pipe (14), be provided with connecting strip (17) on input shaft (9), connecting strip (17) and connecting groove (16) correspond the setting, protection frame (13) and frame (1) pass through bolted connection.

4. The back needle bed triple-speed transmission mechanism of the double needle bed warp knitting machine as claimed in claim 2, characterized in that: a blocking ring (18) is arranged between the second gear (10) and the pinion (11) and between the pinion (11), and the second gear (10) or the pinion (11) is connected with the connecting pipe (14) through a bolt.

5. The back needle bed triple-speed transmission mechanism of the double needle bed warp knitting machine as claimed in claim 1, characterized in that: remove the subassembly including removing bolt (19), holding ring (20), fixed plate (21) and registration arm (22), be provided with three constant head tank (23) on registration arm (22), remove bolt (19) and fixed plate (21) and rotate the connection, and with main shaft (2) threaded connection, be provided with protruding (24) on holding ring (20), holding ring (20) and constant head tank (23) correspond the setting, holding ring (20) and main shaft (2) rotate the connection.

6. The back needle bed triple speed transmission mechanism of the double needle bed warp knitting machine as claimed in claim 5, characterized in that: the positioning ring (20) is provided with a driving rod (25), the fixing plates (21) on two sides of the movable bolt (19) are both arranged in an opening mode and are arranged corresponding to the fixing rods (6).