CN218232736U

CN218232736U - Turbine device for movable needle lifting control

Info

Publication number: CN218232736U
Application number: CN202222068086.4U
Authority: CN
Inventors: 邓福明
Original assignee: Dongguan Mingde Comp Knitting Machine Co ltd
Current assignee: Dongguan Mingde Comp Knitting Machine Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2023-01-06
Anticipated expiration: 2032-08-05

Abstract

The utility model discloses a turbine device for needle control is lifted in activity, it includes: the needle raising control mechanism comprises a motor, a movable needle raising turbine arranged on an output shaft of the motor and a needle raising control connecting rod connecting the movable needle raising turbine and a movable needle raising triangle, wherein a first rail groove used for being connected with the needle raising control connecting rod is formed in the movable needle raising turbine, a roller positioned in the first rail groove is arranged at one end of the needle raising control connecting rod, and at least one first protrusion and/or first groove used for controlling the needle raising control connecting rod to jump is formed in the first rail groove. The first bulge in the first track groove on the movable needle lifting turbine is adopted to push the roller at one end of the needle lifting control connecting rod to jump, so that the movable needle lifting cam is tilted, periodic needle lifting is realized, the movable needle lifting cam is prevented from being always in a needle lifting state, and the service lives of the movable needle lifting cam and the needle selector are prolonged. The roller is limited in the groove by the first track groove, so that the roller can be prevented from separating from the needle lifting turbine when the needle is lifted, and the running stability of the mechanism is improved.

Description

Turbine device for movable needle lifting control

The technical field is as follows:

the utility model relates to a turbine device for controlling movable needle lifting, belonging to the field of computerized flat knitting machines.

Background art:

the computerized flat knitting machine is a double-needle plate latch needle weft knitting loom. The cam device is like a group of plane cams, the stitch of a knitting needle can enter the groove of the cam, the cam is moved, the knitting needle is forced to do regular lifting motion in the needle groove of the needle plate, and the yarn can be knitted into knitted fabric through the action of the needle hook and the needle latch. In the ascending process of the knitting needle, the coil gradually withdraws from the needle hook, the needle latch is opened, and the withdrawing needle latch is hung on the needle rod; during the descending process of the knitting needle, the needle hook hooks the newly laid yarn and draws and bends the newly laid yarn into a coil, meanwhile, the original coil is separated from the needle hook, the new coil passes through the old coil and is connected with the old coil in series, and the coil strings knitted by a plurality of knitting needles are mutually connected to form the knitted fabric.

In the existing computerized flat knitting machines on the market, most needle lifting cams adopt a fixed one-way control structure, although the structure is simple and the cost is low, when the computerized flat knitting machines work, the needle lifting cams are always in a needle lifting state, so that the number of needle plate stitch activities is frequent, the needle selector is rubbed for a long time, the needle selector is further abraded, and the service lives of the needle lifting cams and the needle selector are influenced.

In view of the above, the present inventors propose the following.

The utility model has the following contents:

an object of the utility model is to overcome prior art's not enough, provide a turbine device for needle control is lifted in the activity.

In order to solve the technical problem, the utility model discloses a following technical scheme: a turbine arrangement for active lift pin control, comprising: the needle lifting device comprises a motor, a movable needle lifting turbine arranged on an output shaft of the motor and a needle lifting control connecting rod connected with the movable needle lifting turbine and a movable needle lifting triangle, wherein the middle part of the needle lifting control connecting rod is fixedly hinged; the needle control device is characterized in that a first track groove used for being connected with the needle lifting control connecting rod is formed in the movable needle lifting turbine, a roller located in the first track groove is installed at one end of the needle lifting control connecting rod, and at least one first protrusion and/or first groove used for controlling the needle lifting control connecting rod to jump is formed in the first track groove.

Furthermore, in the above technical solution, the first protrusion and the first groove are correspondingly disposed on two sides of an inner wall of the first track groove.

Furthermore, in the above technical solution, the first track groove is formed at one side of the movable needle raising turbine, and an annular track is formed by matching a first concentric circular truncated cone located in the middle of the movable needle raising turbine and a first concentric circular ring located at the edge of the movable needle raising turbine, wherein the first protrusion is formed on a side wall of the first concentric circular ring, and the first groove is formed on a side wall of the first concentric circular truncated cone correspondingly.

Further, in the above technical solution, the roller is rotatably mounted at an end of the needle raising control link, and a first linear groove for triangular connection with the movable needle raising is formed at the other end of the needle raising control link.

Furthermore, in the above technical solution, the middle of the needle raising control connecting rod is installed on the triangular bottom plate through a first hinged seat, a first needle raising triangular seat for positioning and limiting the movable needle raising triangle is arranged beside the first hinged seat, the movable needle raising triangle is installed in the first needle raising triangular seat in a manner of floating up and down, and a first connecting shaft inserted into the first linear groove is arranged at the upper end of the movable needle raising triangle.

Furthermore, in the above technical solution, a notch is formed on one side of the first needle raising cam seat for the first connecting shaft to pass through and move up and down.

Furthermore, in the above technical solution, the two needle lifting control connecting rods are symmetrically provided with two movable needle lifting triangles which are respectively connected to two sides of the needle lifting control connecting rods, the two needle lifting control connecting rods are hinged to each other through a first connecting pin shaft, and the roller is mounted on the first connecting pin shaft or is rotatably mounted on one of the needle lifting control connecting rods.

After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect:

the utility model discloses in adopt motor drive activity to lift the needle turbine rotatory, it promotes to lift needle control connecting rod one end gyro wheel and beats to lift needle through the first arch and/or the first recess promotion in the first track groove on the needle turbine of activity, thereby lift needle triangle perk with the activity and realize the periodic needle lift, avoid the activity to lift the needle triangle and be in always under the state of lifting the needle, in order to reduce the activity number of times of faller stitch, prevent to select the needle ware long-term friction to select the needle ware and select the needle ware wearing and tearing phenomenon to take place, improve the activity and lift needle triangle and select the life of needle ware. Secondly, utilize first track groove with the gyro wheel spacing in the inslot, can prevent that the gyro wheel breaks away from moving the needle raising turbine when the needle raising, the stability of elevating system operation.

Description of the drawings:

fig. 1 is a first perspective view of the present invention;

fig. 2 is a second perspective view of the present invention;

fig. 3 is an assembly structure view of the present invention.

The specific implementation mode is as follows:

the present invention will be further described with reference to the following specific embodiments and the accompanying drawings.

Referring to fig. 1 to 3, a turbine device for active needle raising control includes: the needle lifting device comprises a motor 1, a movable needle lifting turbine 2 arranged on an output shaft 10 of the motor 1 and a needle lifting control connecting rod 4 connecting the movable needle lifting turbine 2 and a movable needle lifting triangle 3, wherein the middle part of the needle lifting control connecting rod 4 is hinged and fixedly arranged; the movable needle raising turbine 2 is provided with a first track groove 21 used for being connected with the needle raising control connecting rod 4, one end of the needle raising control connecting rod 4 is provided with a roller 41 positioned in the first track groove 21, and at least one first bulge 22 and/or first groove 23 used for controlling the needle raising control connecting rod 4 to jump is arranged in the first track groove 21. The motor 1 is adopted to drive the movable needle raising turbine 2 to rotate, and the roller 41 at one end of the needle raising control connecting rod 4 is pushed to bounce through the first bulge 22 and/or the first groove 23 in the first track groove 21 on the movable needle raising turbine 2, so that the movable needle raising cam 3 is tilted to realize periodic needle raising, the movable needle raising cam 3 is prevented from being in a needle raising state all the time, the number of times of needle plate stitch movement is reduced, the phenomenon of needle selector abrasion caused by long-term needle selector friction is prevented, and the service lives of the movable needle raising cam 3 and the needle selector are prolonged. Secondly, the roller 41 is limited in the groove by the first track groove 21, so that the roller 41 can be prevented from being separated from the needle lifting turbine 2 during needle lifting, and the operation stability of the mechanism can be improved.

The first protrusion 22 and the first groove 23 are correspondingly disposed on two sides of an inner wall of the first track groove 21. The first protrusion 22 and the first groove 23 are matched to realize one-time needle lifting of the movable needle lifting cam 3, so that the needle lifting force of the movable needle lifting cam 3 or the needle lifting amplitude is too large due to too large impact force generated by collision of the first protrusion 22 or the first groove 23 and the roller 41 in the rotation process of the movable needle lifting turbine 2, and the abrasion and damage of mechanism parts are prevented, the stability of the mechanism is further improved, the service lives of the mechanism parts are prolonged, and the noise caused by the operation of the mechanism can be reduced.

The first track groove 21 is formed at one side of the movable needle raising turbine 2, and a first concentric circular truncated cone 211 located at the middle of the movable needle raising turbine 2 and a first concentric circular ring 212 located at the edge of the movable needle raising turbine 2 are matched to form an annular track, wherein the first protrusion 22 is formed on a side wall of the first concentric circular ring 212, and the first groove 23 is correspondingly formed on a side wall of the first concentric circular truncated cone 211.

The roller 41 is rotatably mounted on the end of the needle raising control link 4, and the other end of the needle raising control link 4 is provided with a first bar-shaped groove 42 for connecting with the movable needle raising cam 3.

The middle part of the needle lifting control connecting rod 4 is installed on the triangular bottom plate 100 through a first hinged seat 43, the first hinged seat 43 is laterally provided with a first needle lifting triangular seat 31 for limiting the positioning of the movable needle lifting triangular 3, the movable needle lifting triangular 3 is installed in the first needle lifting triangular seat 31 in a mode of up-and-down floating, and the upper end of the movable needle lifting triangular 3 is provided with a first connecting shaft 32 inserted into the first bar-shaped groove 42.

A notch 33 for the first connecting shaft 32 to pass through and move up and down is formed at one side of the first needle lifting triangle base 31.

The two needle lifting control connecting rods 4 are symmetrically provided with two movable needle lifting triangles 3 which are respectively connected with two sides, the two needle lifting control connecting rods 4 are hinged through a first connecting pin shaft, and the roller 41 is installed on the first connecting pin shaft or is installed on one of the needle lifting control connecting rods 4 in a rotatable mode.

To sum up, in the operation of the present invention, the motor 1 drives the movable needle raising turbine 2 to rotate through the output shaft 10, and during the rotation of the movable needle raising turbine 2, the first hinged seat 43 and the movable needle raising cam 3 limit the needle raising control link 4, so that the roller 41 is always in the first track groove 21, tangent to the groove wall and rolls relatively; further, when the first protrusion 22 and the first groove 23 in the first track groove 21 rotate along with the movable needle raising turbine 2 to contact and collide with the roller 41, the roller 41 may jump once due to the first protrusion 22, and the movable needle raising cam 3 levered by the needle raising control link 4 at the other end also jumps once, i.e. a needle raising action is realized. Since only one set of the first protrusion 22 and the first groove 23 is disposed in the first track groove 21 in this embodiment, the motor 1 is required to drive the movable needle raising turbine 2 to rotate for one turn, and the movable needle raising cam 3 will jump once, so that the movable needle raising cam 3 is kept stationary in a time period when the first protrusion 22 and the first groove 23 are not in contact with the roller 41, thereby effectively reducing the number of times of needle plate stitch movement and preventing the needle selector from being worn due to long-term needle selector friction. Secondly, by installing the roller 41 in the first track groove 21 of the movable needle raising turbine 2, the movement of the roller 41 is guided by tracks, so that derailment caused by collision between the roller 41 and the first protrusion 22 is avoided, and the stability of the mechanism operation is improved.

Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.

Claims

1. A turbine arrangement for active needle lift control, comprising: the needle lifting device comprises a motor (1), a movable needle lifting turbine (2) arranged on an output shaft (10) of the motor (1) and a needle lifting control connecting rod (4) connected with the movable needle lifting turbine (2) and a movable needle lifting triangle (3), wherein the middle part of the needle lifting control connecting rod (4) is hinged and fixedly arranged; be provided with on the activity lift needle turbine (2) be used for with lift first track groove (21) that needle control connecting rod (4) are connected, lift needle control connecting rod (4) one end and install and be located gyro wheel (41) in first track groove (21), be provided with one department at least in first track groove (21) and be used for controlling lift first arch (22) and/or first recess (23) that needle control connecting rod (4) are beated.

2. The turbine assembly of claim 1 for active lift pin control, wherein: the first protrusion (22) and the first groove (23) are correspondingly arranged on two sides of the inner wall of the first track groove (21).

3. The turbine assembly of claim 2 for active lift pin control, wherein: the first track groove (21) is formed in one side of the movable needle lifting turbine (2), and is formed by matching a first concentric circular truncated cone (211) positioned in the middle of the movable needle lifting turbine (2) with a first concentric circular ring (212) positioned at the edge of the movable needle lifting turbine (2) to form an annular track, wherein the first protrusion (22) is formed on the side wall of the first concentric circular ring (212), and the first groove (23) is correspondingly formed on the side wall of the first concentric circular truncated cone (211).

4. The turbine assembly of claim 1 for active lift pin control, wherein: the roller (41) is rotatably mounted at the end of the needle lifting control connecting rod (4), and the other end of the needle lifting control connecting rod (4) is provided with a first strip-shaped groove (42) used for being connected with the movable needle lifting triangle (3).

5. The turbine assembly of claim 4 for active lift pin control, wherein: the middle part of the needle lifting control connecting rod (4) is installed on the triangular bottom plate (100) through a first hinged seat (43), the side of the first hinged seat (43) is provided with a needle lifting triangular seat (31) which is used for limiting the positioning of the movable needle lifting triangular seat (3), the movable needle lifting triangular seat (3) is installed in the first needle lifting triangular seat (31) in a vertically floating mode, and the upper end of the movable needle lifting triangular seat (3) is provided with a first connecting shaft (32) which is inserted into the first bar-shaped groove (42).

6. The turbine assembly of claim 5 for active lift pin control, wherein: a notch (33) which is used for the first connecting shaft (32) to penetrate through and can move up and down is formed on one side of the first needle lifting triangular seat (31).

7. A turbine arrangement for active lift pin control according to any one of claims 1 to 6, wherein: the needle lifting control connecting rods (4) are symmetrically provided with two movable needle lifting triangles (3) which are respectively connected with two sides, the two needle lifting control connecting rods (4) are hinged through a first connecting pin shaft, and the roller (41) is arranged on the first connecting pin shaft or is arranged on one of the needle lifting control connecting rods (4) in a rotatable mode.