CN217869367U

CN217869367U - Motor-driven color changing mechanism

Info

Publication number: CN217869367U
Application number: CN202221865212.2U
Authority: CN
Inventors: 赵长生; 张友驰
Original assignee: Jiaxing Aodu Intelligent Technology Co ltd
Current assignee: Jiaxing Aodu Intelligent Technology Co ltd
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2022-11-22
Anticipated expiration: 2032-07-06

Abstract

The utility model discloses a motor drive's trade look mechanism, include the main base member and set up two at least switching components on the main base member side by side, switching components includes: the driving motor is arranged on the rear side surface of the main body, and the output end of the driving motor is vertically arranged upwards; the cylindrical cam is arranged on the driving motor and is connected with the output end of the driving motor; the two sliding strips are movably inserted into the main substrate; the two knocking rod bodies are oppositely and rotatably arranged on the main body, one end of each knocking rod body is in contact fit with the cylindrical cam, the other end of each knocking rod body penetrates through the main body and is in contact fit with the slide bar, and the knocking rod bodies are used for driving the slide bar to perform vertical lifting motion; the elastic body is arranged at the bottom of the slide bar and is connected with the main base body. The utility model discloses can improve the smooth and easy degree of motion of draw runner, guarantee to trade the normal clear of look, improve and trade the look and weave efficiency, ensure that equipment operates steadily, increase of service life has simultaneously solved the present difficult problem that falls the yarn mouth and take not put that appears in trading the look on the existing market.

Description

Motor-driven color changing mechanism

Technical Field

The utility model belongs to the technical field of computerized flat knitting machine technique and specifically relates to a motor drive's trade look mechanism is related to.

Background

The computerized flat knitting machine is a common device in knitting machinery, yarns with various colors can be used in the working process, different wusi seats are required to be selected through a color changing mechanism, and corresponding yarn mouths are driven to weave yarns with various colors.

For example, in patent document 1, a color changing structure of a fully computerized flat knitting machine is disclosed, which includes a color changing base bottom plate, a color changing base is provided on the color changing base bottom plate, an electromagnet is provided at one end of the color changing base, a seesaw is provided on the electromagnet, a push rod is provided at the inner side of a push rod barrier strip, a push rod pressure spring is provided at the bottom of the push rod, an integrated push rod guide plate is provided at the top of the color changing base, the push rod passes through the integrated push rod guide plate, and a wear-resistant needle roller is provided at the side of the color changing base and at the inner side of the push rod. According to the color changing structure of the fully computerized flat knitting machine, after 16 wear-resistant steel roller pins are assembled on the bottom surface of the color changing base, the large-area contact between the ejector rod and the color changing base is avoided, and the color changing mechanism faults caused by the fact that the ejector rod is clamped due to the friction resistance of the ejector rod during working and the abrasion of the color changing base are reduced; after the color changing mechanism is reformed into an integrated ejector rod guide plate, the reduction of the service life of the color changing mechanism caused by too large difference of assembly consistency is reduced; the noise generated by the color changing mechanism during working is reduced.

This kind of trade look structure passes through electromagnetic drive, and easy wearing and tearing influence production exists the switching that adopts the cam structure to carry out at present, but, cam structure complex draw runner produces the card pause easily, still exists not enoughly.

Patent document 1CN 21205570U.

SUMMERY OF THE UTILITY MODEL

The utility model provides a motor drive's look mechanism that trades from this in order to avoid the weak point that prior art exists.

The utility model provides a technical problem adopt following technical scheme: a motor-driven color changing mechanism comprises a main base body and at least two switching assemblies arranged on the main base body in parallel, and is characterized in that the switching assemblies comprise:

the driving motor is arranged on the rear side surface of the main body, and the output end of the driving motor is vertically arranged upwards;

the cylindrical cam is arranged on the driving motor and is connected with the output end of the driving motor;

the two sliding strips are movably inserted into the main base body;

the two knocking rod bodies are oppositely and rotatably arranged on the main body, one end of each knocking rod body is in contact fit with the cylindrical cam, the other end of each knocking rod body penetrates through the main body and is in contact fit with the sliding strip, and the knocking rod bodies are used for driving the sliding strip to vertically move up and down;

the elastic body is arranged at the bottom of the slide bar and is connected with the main base body.

In several embodiments, the main base body comprises a base frame, an upper fixing strip, a pressing strip and a lower fixing strip, wherein a groove body for the sliding strip to penetrate through is arranged in the base frame, the upper fixing strip and the lower fixing strip are respectively arranged at the upper end and the lower end of the base frame, and the pressing strip is arranged on the front side face of the base frame.

In several embodiments, the draw runner sets up between last fixed strip and lower fixed strip, the elastomer setting is between draw runner and lower fixed strip, be provided with the through-hole that supplies the draw runner to wear out on going up the fixed strip, be provided with a plurality of horizontally extending's arch on the inner wall of through-hole.

In several embodiments, the draw runner includes body and head, the head is from pressing close to body one side and toward keeping away from body one side and dwindling gradually, be provided with jack and indent in the body, the jack supplies the knock bar body to penetrate, the indent supplies the draw runner to insert.

In several embodiments, the knocking rod body penetrates through a shaft body arranged on the main base body, one end of the knocking rod body is matched with the cylindrical cam through a bearing, and the wall thickness of the bearing is equal to or greater than that of the cylindrical cam.

In several embodiments, the cylindrical cam comprises a push section, a far rest section, a return section and a near rest section which are arranged in sequence, wherein the push section and the return section are symmetrically arranged, and the near rest section is smaller than the far rest section.

In several embodiments, a null sensor is disposed on the drive motor.

The utility model discloses following beneficial effect has:

the utility model discloses can improve the smooth and easy degree of motion of draw runner, avoid and main base body between take place the card and pause the friction, guarantee to trade the normal clear of look, improve and trade look and weave efficiency, ensure that equipment operates steadily increase of service life simultaneously.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and should not be considered as limiting the scope of the present disclosure.

Fig. 1 schematically shows a front view structure of a motor-driven color changing mechanism in the present embodiment;

fig. 2 schematically shows a rear view structure of the motor-driven color change mechanism in the present embodiment;

fig. 3 schematically shows a partially exploded structure of the motor-driven color change mechanism in the present embodiment;

FIG. 4 schematically illustrates an enlarged structure of the cylindrical cam and the knock bar body of FIG. 1;

FIG. 5 schematically illustrates a top plan view of the cylindrical cam of FIG. 4;

FIG. 6 schematically shows a partially enlarged structure of the upper fixing strip in FIG. 1;

fig. 7 schematically shows a front view of a motor-driven color-changing mechanism in another embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, embodiments of the present invention are described in detail below, and the embodiments of the present invention are described in detail below clearly and completely.

The terminology used herein is for the purpose of explaining the embodiments and is not intended to limit and/or define the invention.

For example, expressions such as "in a certain direction", "along a certain direction", "axial direction", "orthogonal", "axial line", "relative", "front-back-left-right" and the like indicate relative or absolute arrangements, and indicate not only such arrangements in a strict sense but also a state of being relatively displaced with a tolerance or an angle or a distance to the extent that the same function can be obtained.

Example 1

As shown in fig. 1 to 2, the motor-driven color changing mechanism in the present embodiment is mainly composed of a main body 10 and four switching units 20 arranged in parallel on the main body 10.

Specifically, as shown in fig. 1 to 5, the switching assembly 20 is composed of a driving motor 210, a cylindrical cam 220, a slide bar 230, a knock bar 240, an elastic body 250, a shaft body 260, and a zero position sensor 270, wherein the driving motor 210 is disposed on the rear side surface of the main body 10, an output end of the driving motor is disposed vertically upward, and the zero position sensor 270 is disposed on the driving motor 210 to provide a zero position detection function.

And the cylindrical cam 220 is arranged on the driving motor 210 and connected with the output end of the driving motor 210, the cylindrical cam 220 is driven by the driving motor 210 to rotate, the two sliding bars 230 are movably inserted into the main body 10, the two striking rod bodies 240 are oppositely and rotatably arranged on the main body 10, one end of the striking rod body 240 is in contact fit with the cylindrical cam 220, the other end of the striking rod body 240 penetrates through the main body 10 and is in contact fit with the sliding bars 230, and the striking rod body 240 is used for driving the sliding bars 230 to perform vertical lifting motion.

The main base body 10 includes a base frame 110, an upper fixing strip 120, a pressing strip 130 and a lower fixing strip 140, a groove body for the slide strip 230 to penetrate is provided in the base frame 110, the upper fixing strip 120 and the lower fixing strip 140 are respectively provided at the upper and lower ends of the base frame 110, and the pressing strip 130 is provided at the front side surface of the base frame 110.

Therefore, the slide bar 230 is arranged between the upper fixing bar 120 and the lower fixing bar 140, the elastic body 250 is arranged between the slide bar 230 and the lower fixing bar 140, the elastic body 250 only needs to be a spring, and the elastic body 250 provides auxiliary upward thrust to improve the smoothness of the movement of the slide bar 230.

The slide bar 230 includes a body 231 and a head 232, the head 232 is tapered from a side close to the body 231 to a side away from the body 231, and the head 232 is substantially a rectangular frustum pyramid structure with a narrow top and a wide bottom.

As shown in fig. 6, a through hole 121 for the slide bar 230 to pass through is formed in the upper fixing bar 120, a plurality of horizontally extending protrusions 122 are formed on the inner wall of the through hole 121, the head 232 can pass through the through hole 121 without contact, and the body 231 is limited by the protrusions 122, so that the vertical lifting motion of the body is ensured, and the inclined shaking is avoided.

Meanwhile, the body 231 is provided with the insertion hole 233 and the pressing groove 234, the insertion hole 233 is used for the striking rod body 240 to penetrate, the pressing groove 234 is used for the pressing strip 130 to insert, the length of the pressing groove 234 is larger than the width of the pressing strip 130, and through the matching of the pressing groove 234 and the pressing strip 130, the movement range of the slide bar 230 is limited, so that the slide bar is prevented from falling off.

Specifically, the striking rod 240 penetrates through the shaft 260 to rotate, the shaft 260 is horizontally disposed at a rear side of the main body 10, one end of the striking rod 240 is engaged with the cylindrical cam 220 through a bearing 241, and a wall thickness of the bearing 241 is equal to or greater than a wall thickness of the cylindrical cam 220.

Here, the cylindrical cam 220 includes a push section 221, a far rest section 222, a return section 223 and a near rest section 224, which are sequentially arranged, the push section 221 and the return section 223 are symmetrically arranged, the near rest section 224 is smaller than the far rest section 222, and both the push section 221 and the return section 223 are smaller than the near rest section 224, so that the smoothness of the movement of the slider driven by the knock rod 240 is further improved by adjusting the four-section distribution of the cylindrical cam 220.

Of course, as shown in fig. 7, it is also possible that one main body 10 combines five switching assemblies 20, and the specific number of switching assemblies 20 may be determined according to actual requirements, for example, two, three, six, etc., and is not limited to the specific number.

The present invention has described preferred embodiments, including the best mode known to those of the present invention for carrying out the present invention. Of course, variations of these preferred embodiments will be apparent to those skilled in the art. The present invention contemplates that skilled artisans can employ such variations as appropriate, and the present invention teaches that the invention can be practiced otherwise than as specifically described herein. Accordingly, this invention includes all modifications encompassed within the spirit and scope of the invention as defined by the claims. Moreover, unless stated otherwise or clearly contradicted by context, the present disclosure includes any and all possible variations of the above-described elements.

Claims

1. A motor-driven color changing mechanism comprises a main base body and at least two switching assemblies arranged on the main base body in parallel, and is characterized in that the switching assemblies comprise:

the driving motor is arranged on the rear side surface of the main base body, and the output end of the driving motor is vertically arranged upwards;

the two sliding strips are movably inserted into the main substrate;

the two knocking rod bodies are oppositely and rotatably arranged on the main body, one end of each knocking rod body is in contact fit with the cylindrical cam, the other end of each knocking rod body penetrates through the main body and is in contact fit with the slide bar, and the knocking rod bodies are used for driving the slide bar to perform vertical lifting motion;

the elastic body is arranged at the bottom of the slide bar and connected with the main base body.

2. The motor-driven color changing mechanism according to claim 1, wherein the main body comprises a base frame, an upper fixing strip, a pressing strip and a lower fixing strip, a slot for the sliding strip to penetrate through is arranged in the base frame, the upper fixing strip and the lower fixing strip are respectively arranged at the upper end and the lower end of the base frame, and the pressing strip is arranged on the front side surface of the base frame.

3. The motor-driven color changing mechanism according to claim 2, wherein the slide bar is disposed between the upper fixing bar and the lower fixing bar, the elastic body is disposed between the slide bar and the lower fixing bar, the upper fixing bar is provided with a through hole for the slide bar to pass through, and the inner wall of the through hole is provided with a plurality of horizontally extending protrusions.

4. The motor-driven color-changing mechanism according to claim 3, wherein the slide bar comprises a body and a head, the head is gradually reduced from a side close to the body to a side far away from the body, the body is provided with an insertion hole for the striking rod to penetrate through and a pressing groove for the pressing bar to insert into.

5. The motor-driven color-changing mechanism according to claim 4, wherein the tapping rod body is penetrated and arranged on a shaft body, the shaft body is arranged on the main body, one end of the tapping rod body is matched with the cylindrical cam through a bearing, and the wall thickness of the bearing is equal to or greater than that of the cylindrical cam.

6. The motor-driven color-changing mechanism according to claim 5, wherein the cylindrical cam comprises a push section, a far rest section, a return section and a near rest section, which are sequentially arranged, the push section and the return section are symmetrically arranged, and the near rest section is smaller than the far rest section.

7. A motor-driven color-changing mechanism according to claim 1, wherein a null sensor is provided on the motor.