CN217378185U

CN217378185U - Novel traction rake driving structure

Info

Publication number: CN217378185U
Application number: CN202221327410.3U
Authority: CN
Inventors: 吴梅飞; 黄绍玻
Original assignee: Individual
Current assignee: Sun Yongming
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-09-06
Anticipated expiration: 2032-05-24

Abstract

A novel traction rake driving structure comprises traction hooks, traction rods, a rake frame and a driving device, wherein the traction rods are provided with a plurality of groups and are respectively arranged in vertical sliding grooves in an inner cavity of the rake frame, the traction hooks are arranged on the upper parts of the traction rods, the driving device is arranged on the rake frame, the traction rods comprise a traction rod I and a traction rod II, and the traction rods I and II are arranged in a staggered mode; the driving device consists of a driving device I and a driving device II, a transmission mechanism I for driving the traction rod I to reciprocate up and down is arranged between the traction rod I and the driving device I, and a transmission mechanism II for driving the traction rod II to reciprocate up and down is arranged between the traction rod II and the driving device II; the traction rod I and the traction rod II are lifted up and down alternately. The utility model discloses under the condition that does not influence the normal reciprocal downward tractive function of knitting, reduce local tractive width, for example 0.25 inch to not only satisfied the production requirement of present most of fabrics, can also make the knitting of computer braider weave out complex construction.

Description

Novel traction rake driving structure

Technical Field

The utility model relates to a computer braider technical field, especially a novel tractive harrow drive structure.

Background

The computer knitting machine plays a significant role in the knitting industry due to the advantages of high knitting efficiency, low demand of operators, simple programming and the like. In the process of knitting a fabric with a computer knitting machine, a pulling device is generally used to pull the knitted fabric downward in order to prevent the loops from floating upward. At present, with the continuous progress of a first-line ready-made clothes technology, a roller device for pulling a fabric is clamped by two original roller rollers with opposite rotation directions and is pulled downwards to be changed into downward pulling of a pulling rake to the fabric, so that when the roller device works, continuous local downward pulling of the fabric is realized through the alternate up-and-down motion of a plurality of groups of pulling rakes which are arranged side by side and are arranged below a needle plate of a knitting machine corresponding to one side or two sides of a warp path of the fabric, the pulling effect of the fabric is fully improved, and the knitting performance of a computer knitting machine is improved.

Chinese utility model patent for patent number ZL202121406609.0 just discloses an electronic needle harrow tractive device, and it is including setting up in a plurality of tractive units of faller below and transverse arrangement, and each tractive unit includes the tractive casing, tractive casing in-connection has drive unit and needle harrow unit, drive unit is connected with the nylon nut through the screw rod, and makes the nylon nut form the action of going up and down action drive needle harrow unit, it has the spring tension rod that is used for adjusting needle harrow unit pulling force down to articulate in the tractive casing.

Although the patent product simplifies the transmission mechanism of the traction unit for completing the traction action, the regulation and control process of the transmission mechanism is more stable and effective, the local traction of the braided fabric is realized, the production cost and the maintenance cost are greatly reduced, and the practicability of the flat knitting machine is improved, the width of the traction device is designed to be 1.5 inches (other types of traction rakes in the market are all the width at present), and a plurality of rows of traction hooks arranged at the upper part of each traction device are uniformly driven upwards by a motor at the bottom when in work, namely, a plurality of rows of traction hooks in the same traction device carry out reciprocating traction on the braided fabric in a synchronous up-and-down motion mode, and the requirement of local traction is still difficult to be met for the braided fabric which is woven in a complex structure and requires a smaller range of local traction, because the traction hooks in the width range of 1.5 inches are synchronously pulled up and down, the integral tension is unreasonable, and the floating line is easy to generate in the weaving process, so that the rate of qualified products of the fabric is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a novel tractive harrow drive structure, it is under the condition that does not influence the normal reciprocal downward tractive function of knitting, dwindles local tractive width, for example to 0.25 inch to not only satisfied the production requirement of present most knitting, can also make the knitting of computer braider weave out the knitting of complex construction.

The technical solution of the utility model is to provide a novel traction harrow drive structure with following structure, including traction hook, traction rod, harrow frame and drive arrangement, the traction rod has a plurality of, and installs respectively in the vertical spout that the harrow frame inner chamber was seted up, and the upper portion of each traction rod all is equipped with the traction hook that is used for carrying out the tractive to the fabric, drive arrangement installs on harrow frame, wherein, a plurality of the traction rod comprises traction rod I and traction rod II, a plurality of traction rod I and traction rod II staggered arrangement; the driving device consists of a driving device I and a driving device II, a transmission mechanism I for driving the traction rod I to reciprocate up and down is arranged between the traction rod I and the driving device I, and a transmission mechanism II for driving the traction rod II to reciprocate up and down is arranged between the traction rod II and the driving device II; the traction rod I and the traction rod II are lifted up and down alternately.

A novel tractive harrow drive structure, wherein, drive mechanism I includes push rod I and linear slide rail set spare I, the top and the tractive pole I of push rod I are connected, and the lower part dress of push rod I is on the slide in linear slide rail set spare I, the guide rail dress in the linear slide rail set spare I is in the inner chamber of harrow frame, be equipped with rack I along self length direction on the lateral wall of push rod I, the meshing has gear I on rack I, I dress of gear is in the pivot of drive arrangement I.

A novel tractive harrow drive structure, wherein, drive mechanism II includes push rod II and linear slide rail assembly II, push rod II and linear slide rail assembly II are located push rod I and linear slide rail assembly I's rear, the bottom of tractive pole II is equipped with the portion of bending backward, the top and the portion of bending of push rod II are connected, and the lower part dress of push rod II is on the slide in linear slide rail assembly II, the guide rail dress in linear slide rail assembly II is in the inner chamber of harrow frame, be equipped with rack II along self length direction on the lateral wall of push rod II, the meshing has gear II on rack II, II dresses of gear are in the pivot of drive arrangement II.

A novel tractive harrow drive structure, wherein, the extension spring fixing base is equipped with to the inner chamber bottom of harrow frame, all install the extension spring between tractive pole I and the extension spring fixing base and between tractive pole II and the extension spring fixing base.

After the structure more than adopting, compare with prior art, the utility model relates to a novel tractive harrow drive structure has following advantage: the utility model adopts a structure consisting of a traction rod I and a traction rod II, arranges the traction rods I and II in a staggered way, simultaneously sets two driving devices, namely a driving device I and a driving device II, and also installs a transmission mechanism I for driving the traction rod I to reciprocate up and down between the traction rod I and the driving device I, and installs a transmission mechanism II for driving the traction rod II to reciprocate up and down between the traction rod II and the driving device II, thereby realizing the driving of the alternate up-and-down motion of the adjacent traction rod I and the traction rod II in the same harrow frame inner cavity when in work, compared with the synchronous up-and-down motion of all the traction rods in the same harrow frame inner cavity only within the width range of 1.5 inches, the utility model can reduce the local traction width of the braided fabric to 0.25 inches (of course, under the condition of satisfying the self rigidity of the traction rods and the traction hooks, it can also be made thinner to further reduce the draw width). Therefore, the utility model discloses under the condition that does not influence the normal reciprocal downward tractive function of knitting, not only satisfied the production requirement of present most of knitting, can also make the computer braider satisfy the local tractive demand of the less within range of complicated fabrics to weave out the knitting of complex construction.

Drawings

Fig. 1 is a schematic perspective view of a novel traction rake driving structure of the present invention;

FIG. 2 is a schematic perspective view of the tension spring of FIG. 1;

fig. 3 is a schematic perspective view of the tension spring, the tension spring fixing seat and the rake rack hidden in fig. 2;

FIG. 4 is a schematic perspective view of the connection of the traction rod I, the transmission mechanism I and the driving device I in FIG. 3;

FIG. 5 is a schematic perspective view of the traction rod II, the transmission mechanism II and the driving device II in FIG. 3 when they are connected together;

fig. 6 is a schematic perspective view of a traction rod ii in fig. 5.

Detailed Description

The following describes a novel driving structure of a drag harrow according to the present invention in further detail with reference to the accompanying drawings and embodiments:

as shown in fig. 1 and 2, in the present embodiment, the present invention provides a novel traction rake driving structure, which includes a traction hook 1, a traction rod 8, a rake frame 2 and a driving device 4. The plurality of traction rods 8 are vertically arranged and are respectively arranged in vertical sliding grooves 21 formed in the inner cavity of the rake frame 2, and when the drag device works, the traction rods 8 slide up and down along the vertical sliding grooves 21; the upper part of each traction rod 8 is provided with a traction hook 1 for drawing the fabric; the driving device 4 is arranged at the lower part of the outer wall of the harrow frame 2 and is used for providing power for the vertical sliding of the traction rod 8.

Referring to fig. 3, the plurality of traction rods 8 are composed of a traction rod i 81 and a traction rod ii 82, and the traction rods i 81 and the traction rods ii 82 are arranged in a staggered manner. The driving device 4 consists of a driving device I41 and a driving device II 42, a transmission mechanism I3 for driving the traction rod I81 to reciprocate up and down is arranged between the traction rod I81 and the driving device I41, and a transmission mechanism II 7 for driving the traction rod II 82 to reciprocate up and down is arranged between the traction rod II 82 and the driving device II 42. When the fabric drawing device works, under the driving of the driving device I41, the transmission mechanism I3, the driving device II 42 and the transmission mechanism II 7, the drawing rod I81 and the drawing rod II 82 can be lifted up and down alternately, and the fabric is drawn through the drawing hook 1. The driving device i 41 and the driving device ii 42 are both stepping motors, and how to select them is common knowledge.

With reference to fig. 4, the transmission mechanism i 3 includes a push rod i 31 and a linear slide rail assembly i 32, the top of the push rod i 31 is attached to and contacted with the bottom of the traction rod i 81, the lower part of the push rod i 31 is installed on a slide seat in the linear slide rail assembly i 32, a guide rail in the linear slide rail assembly i 32 is installed in an inner cavity of the rake frame 2 through a screw and a guide rail fixing strip 34 (see fig. 3), a rack i 311 is arranged on the side wall of the push rod i 31 along the length direction of the side wall, a gear i 33 is engaged with the rack i 311, and the gear i 33 is installed on a rotating shaft of the driving device i 41.

With reference to fig. 3, 5 and 6, the transmission mechanism ii 7 includes a push rod ii 71 and a linear sliding rail assembly ii 72, the push rod ii 71 and the linear sliding rail assembly ii 72 are located behind the push rod i 31 and the linear sliding rail assembly i 32, the bottom of the pull rod ii 82 is provided with a bending portion 821 which is bent backwards, the top of the push rod ii 71 is in contact connection with the bottom of the bending portion 821 in an attaching manner, the lower portion of the push rod ii 71 is mounted on a sliding seat in the linear sliding rail assembly ii 72, a guide rail in the linear sliding rail assembly ii 72 is mounted in an inner cavity of the rake frame 2 through a screw, a rack ii 711 is arranged on the side wall of the push rod ii 71 along the length direction, a gear ii 73 is engaged with the rack ii 711, and the gear ii 73 is mounted on a rotating shaft of the driving device ii 42.

Tension spring fixing seats 5 are installed at the bottom of an inner cavity of the rake frame 2, tension springs 6 are installed between the tension pull rod I81 and the tension spring fixing seats 5 and between the tension pull rod II 82 and the tension spring fixing seats 5, and the tension springs 6 are used for pulling back the ascending tension pull rod I81 and the ascending tension pull rod II 82, namely resetting the ascending tension pull rod I81 and the ascending tension pull rod II 82.

When in use, a plurality of the utility model can be arranged below the needle plate side by side corresponding to one side or two sides of the knitting fabric passing path. During operation, the driving device I41 and the transmission mechanism I3 drive the traction rod I81, the driving device II 42 and the transmission mechanism II 7 drive the traction rod II 82, and further alternate up-and-down lifting of the adjacent traction rods I81 and II 82 in the same rake frame inner cavity is realized, and reciprocating downward traction on the fabric is completed. When the traction rod I81 and the traction rod II 82 ascend, the upper part of the traction rod I81 and the upper part of the traction rod II 82 can drive the traction hook 1 to retract backwards and unhook the fabric under the action of the inclined guide holes, and when the traction rod I81 and the traction rod II 82 descend, the traction hook 1 on the upper part of the traction rod I can extend out again under the action of the inclined guide holes and hook the fabric to start to draw the fabric.

The above-mentioned embodiments are merely descriptions of the preferred embodiments of the present invention, not limitations of the scope of the present invention, and without departing from the design spirit of the present invention, the ordinary skilled in the art should all fall into the protection scope of the present invention for various modifications and improvements made by the technical solutions of the present invention.

Claims

1. The utility model provides a novel tractive harrow drive structure, includes tractive hook (1), tractive pole (8), harrow frame (2) and drive arrangement (4), tractive pole (8) have a plurality of roots, and install respectively in vertical spout (21) that the inner chamber of harrow frame (2) was seted up, and tractive hook (1) that are used for carrying out the tractive to the fabric are all equipped with on the upper portion of each tractive pole (8), drive arrangement (4) are adorned on harrow frame (2), its characterized in that:

the plurality of traction rods (8) are composed of a traction rod I (81) and a traction rod II (82), and the traction rods I (81) and the traction rods II (82) are arranged in a staggered mode;

the driving device (4) consists of a driving device I (41) and a driving device II (42), a transmission mechanism I (3) for driving the traction rod I (81) to reciprocate up and down is arranged between the traction rod I (81) and the driving device I (41), and a transmission mechanism II (7) for driving the traction rod II (82) to reciprocate up and down is arranged between the traction rod II (82) and the driving device II (42);

the traction rod I (81) and the traction rod II (82) alternately ascend and descend.

2. The novel pulling rake drive structure of claim 1, wherein: drive mechanism I (3) are including push rod I (31) and linear slide rail set spare I (32), the top and the traction rod I (81) of push rod I (31) are connected, and the lower part dress of push rod I (31) is on the slide in linear slide rail set spare I (32), guide rail dress in linear slide rail set spare I (32) is in the inner chamber of harrow frame (2), be equipped with rack I (311) along self length direction on the lateral wall of push rod I (31), the meshing has gear I (33) on rack I (311), I (33) of gear dress is in the pivot of drive arrangement I (41).

3. The novel traction rake drive structure as defined in claim 2, wherein: the transmission mechanism II (7) comprises a push rod II (71) and a linear sliding rail assembly II (72), the push rod II (71) and the linear sliding rail assembly II (72) are located behind the push rod I (31) and the linear sliding rail assembly I (32), a bending part (821) which is bent backwards is arranged at the bottom of the pull rod II (82), the top of the push rod II (71) is connected with the bending part (821), the lower part of the push rod II (71) is arranged on a sliding seat in the linear sliding rail assembly II (72), a guide rail in the linear sliding rail assembly II (72) is arranged in an inner cavity of the rake frame (2), a rack II (711) is arranged on the side wall of the push rod II (71) along the length direction of the side wall, a gear II (711) is meshed with the rack II (73), and the gear II (73) is arranged on a rotating shaft of the driving device II (42).

4. A novel pulling rake drive structure as defined in any one of claims 1 to 3, wherein: extension spring fixing base (5) are equipped with to the inner chamber bottom of harrow frame (2), all install extension spring (6) between pull rod I (81) and extension spring fixing base (5) and between pull rod II (82) and extension spring fixing base (5).