CN210886450U - Fabric grabbing mechanism of weft knitting machine - Google Patents
Fabric grabbing mechanism of weft knitting machine Download PDFInfo
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- CN210886450U CN210886450U CN201921519413.5U CN201921519413U CN210886450U CN 210886450 U CN210886450 U CN 210886450U CN 201921519413 U CN201921519413 U CN 201921519413U CN 210886450 U CN210886450 U CN 210886450U
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Abstract
The utility model relates to a fabric of weft knitting machine snatchs mechanism, including needle harrow fixed plate, pectination fender cloth board, motor and motor fixed plate, the motor fixed plate is the ascending groove-shaped structure of opening, the right side board fixed mounting of motor fixed plate is in the middle part of the right side board of needle harrow fixed plate, the body fixed mounting of motor is in the below of motor fixed plate, the output shaft of motor passes motor fixed plate and stretches out to the top, with movable block swivelling joint, the top of movable block is equipped with needle harrow assembly, slide rail and electronic damper or electro-magnet, slide rail fixed mounting is on the upper portion of the right side board of needle harrow fixed plate, slide and slide rail sliding connection on the needle harrow assembly. Because the utility model discloses a device of cat melon formula snatchs the fabric, makes the edge of fabric be difficult for shrink and warp, because the power of grabbing can suitably be adjusted, makes it can reach the better effect of snatching, because the left side upper portion of pectination fabric baffle is equipped with the arch, makes it can snatch front and back two-layer fabric simultaneously.
Description
Technical Field
The utility model relates to a textile machinery technical field especially relates to a fabric of weft knitting machine snatchs mechanism.
Background
The fabric grabbing mechanism of the weft knitting machine timely and quantitatively leads the knitted fabric away from a weaving opening according to the requirement of the fabric on weft density, and the knitted fabric is wound on a cloth roller or laid on a certain plane, so that the position of the weaving opening cannot be changed due to the introduced new weft yarn, and the continuous weaving production is ensured. The cloth rolling path of the existing loom is that the woven fabric is mostly directly conveyed to a friction roller, then is conveyed to a cloth pressing roller through the friction roller and finally is conveyed to a cloth rolling roller, and the cloth rolling mode has the main problems that: in the process that the fabric is pulled away from a cloth fell, because the friction force of each part on the friction roller and the fabric is difficult to keep consistent, or the fabric is caused, the fabric may shrink or wrinkle, if the friction force on the friction roller is too large, the fabric may be fluffed, further the subsequent treatment processes of cloth inspection, printing and dyeing and the like of the fabric are influenced, and most of the grabbing mechanisms can only grab one layer of fabric at a time.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a fabric of weft knitting machine snatchs mechanism to avoid or alleviate shrink, fold or fluff phenomenon, two-layer fabric around can snatching simultaneously moreover.
The technical scheme of the utility model is that:
a fabric grabbing mechanism of a weft knitting machine comprises a needle rake fixing plate, a comb-shaped cloth baffle plate, a motor and a motor fixing plate, wherein the needle rake fixing plate and the comb-shaped cloth baffle plate jointly form a rectangular structure with a slightly raised upper portion on the left side, the needle rake fixing plate forms the right side and the lower side of the rectangular structure, the comb-shaped cloth baffle plate forms the left side and the upper side of the rectangular structure, the upper portion of a left side plate of the comb-shaped cloth baffle plate is of a comb-tooth-shaped structure, the motor fixing plate is of a groove-shaped structure with an upward opening, a right side plate of the motor fixing plate is fixedly installed in the middle of a right side plate of the needle rake fixing plate, a left side plate of the motor fixing plate is fixedly installed in the middle of the left side plate of the comb-shaped cloth baffle plate, the motor is fixedly installed on the motor fixing plate, a body of the motor is, the needle rake device comprises a motor fixing plate, a needle rake assembly, a buffer cushion block, a sliding seat and a spring, wherein an L-shaped or groove-shaped movable block with an upward opening is further arranged in a groove-shaped space of the motor fixing plate, a lower plate of the movable block is rotatably connected with an output shaft of the motor, a left side plate of the movable block is in sliding fit with a left side plate of the motor fixing plate, a needle rake assembly and a sliding rail are further arranged above the movable block in the space of a rectangular structure, the sliding rail is fixedly arranged on the upper portion of a right side plate of the needle rake fixing plate, the needle rake assembly comprises a needle rake matrix, a grabbing needle block, a pull-down spring, a buffer cushion block, a sliding seat and a spring, the grabbing needle block is fixedly arranged on the upper portion of the left side of the needle rake matrix, the buffer cushion block is fixedly arranged on the lower portion of the left side of the needle rake matrix, the needle rake mother body is connected with the sliding seat in a rotating mode through a rotating shaft, a spring is arranged between the upper portion of the sliding seat and the upper portion of the needle rake mother body, the sliding seat is connected with the sliding rail in a sliding mode, and an electronic damper or an electromagnet is fixedly arranged on the upper portion of the sliding seat.
Still be equipped with one or a plurality of vertical guide way on the left side board of motor fixed plate, be equipped with the direction bearing in the guide way, the axle of direction bearing with movable block fixed connection.
The fixing hole at the lower end of the pull-down spring is a long strip-shaped hole which extends up and down.
The upper portion of slide the mesopore position department of spring is equipped with the fixed pin, the upper portion of needle harrow parent the mesopore position department of spring is equipped with the fixed pin.
The upper part of the left side surface of the comb-shaped cloth baffle forms a bulge slightly towards the left side, and an inclined surface is arranged between the bulge part and the side surface of the comb-shaped cloth baffle below the bulge part.
The width of the tooth hole on the comb-shaped cloth blocking plate is slightly larger than that of the needle grabbing block.
One or more tooth holes are formed in the comb-shaped cloth baffle plate.
The fabric grabbing mechanism of the weft knitting machine is also provided with a PLC automatic control system.
The utility model has the advantages that: because the utility model adopts the cat-melon type device to grab the fabric, the edge of the fabric is not easy to shrink and deform; the grabbing force can be properly adjusted, so that a better grabbing effect can be achieved; the upper part of the left side of the comb-shaped cloth baffle is provided with the bulge, so that the comb-shaped cloth baffle can grab two layers of fabrics at the front and the back simultaneously, and the comb-shaped cloth baffle is more suitable for the requirement of full-forming weaving; the single body has small size, convenient control and combined use, and thus the working width of the single body can be changed at will and the single body is suitable for looms with different needle pitches and lengths.
Drawings
FIG. 1 is a schematic structural view of the needle and rake assembly of the present invention in a low position,
FIG. 2 is a schematic structural view of the needle rake assembly of the present invention after the gripping needle is withdrawn from the fabric at a low position,
FIG. 3 is a schematic structural view of the needle and rake assembly of the present invention in the high position,
FIG. 4 is a schematic structural view of the needle rake assembly of the present invention after the gripping needle is withdrawn from the fabric at the high position,
FIG. 5 is a schematic structural view of the needle and rake assembly of the present invention waiting for operation at a high position,
fig. 6 is a schematic structural view of the needle and rake assembly of the present invention.
In the figure:
1. a needle and rake assembly; 2. A needle rake fixing plate; 3. A comb-shaped cloth baffle; 4. A motor; 5. A motor fixing plate; 6. a movable block; 7. a guide bearing; 8. a slide rail; 9. an electronic damper or electromagnet; 1-1, carrying out needle rake on a parent body; 1-2, grasping a needle block; 1-3, a pull-down spring; 1-4, cushioning cushion blocks; 1-5, a slide seat; 1-6 and a spring.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1-3, the fabric grabbing mechanism of weft knitting machine provided by the present invention comprises a needle rake fixing plate 2, a comb-shaped cloth baffle plate 3, a motor 4 and a motor fixing plate 5, wherein the needle rake fixing plate and the comb-shaped cloth baffle plate form a rectangular structure with slightly raised upper portion on the left side, the needle rake fixing plate forms the right side and the lower side of the rectangular structure, the comb-shaped cloth baffle plate forms the left side and the upper side of the rectangular structure, the upper portion of the left side plate of the comb-shaped cloth baffle plate is of a comb-tooth-shaped structure, the motor fixing plate is of a groove-shaped structure with an upward opening, the right side plate of the motor fixing plate is fixedly installed in the middle of the right side plate of the needle rake fixing plate, the left side plate of the motor fixing plate is fixedly installed in the middle of the left side plate of the comb-shaped cloth baffle plate, the motor is fixedly installed on the, an output shaft of a motor penetrates through the motor fixing plate to extend upwards, an L-shaped or groove-shaped movable block 6 with an upward opening is further arranged in a groove-shaped space of the motor fixing plate, a lower plate of the movable block is rotationally connected with the output shaft of the motor, the movable block can move up and down through the rotation of a motor shaft, a left side plate of the movable block is in sliding fit with a left side plate of the motor fixing plate, a needle rake assembly 1, a sliding rail 8 and an electronic damper or electromagnet 9 are further arranged above the movable block in the space of the rectangular structure, the sliding rail is fixedly arranged on the upper portion of a right side plate of the needle rake fixing plate, the needle rake assembly comprises a needle rake matrix 1-1, a needle grasping block 1-2, a pull-down spring 1-3, a cushioning cushion block 1-4, a sliding seat 1-5 and a spring 1-6, the needle grasping block is fixedly arranged on the upper portion of, the cushioning cushion block is fixedly arranged at the lower part of the left side of the needle rake parent body, the cushioning cushion block can play a cushioning role when the needle rake assembly rotates clockwise for a certain angle and returns, the upper end of the pull-down spring is fixed in the middle of the left side of the needle rake parent body, the lower end of the pull-down spring is fixed on the movable block, the right lower part of the needle rake parent body is provided with a rotating shaft, the needle rake parent body is rotationally connected with the sliding seat through the rotating shaft, the needle rake assembly realizes the hooking and the separation of the grabbing needle on the grabbing needle block to the fabric through the rotation around the rotating shaft, a spring is arranged between the upper part of the sliding seat and the upper part of the needle rake parent body, the sliding seat is connected with the sliding rail in a sliding way, the upper part of the sliding seat is fixedly provided with an electronic damper or an electromagnet, the electronic damper or the electromagnet realizes the relative fixation of the sliding seat on the sliding rail by increasing resistance or attracting, and realizes the free up-and-down sliding of the sliding seat on the sliding rail by reducing resistance or releasing.
The motor fixing plate is characterized in that one or more vertical guide grooves are further formed in the left side plate of the motor fixing plate, guide bearings 7 are arranged in the guide grooves, and shafts of the guide bearings are fixedly connected with the movable blocks so as to facilitate the movable blocks to slide up and down.
The fixed orifices of the lower end of the pull-down spring are elongated holes extending up and down, and the pull-down spring is adjusted by fixing different positions of the elongated holes.
The upper portion of slide the mesopore position department of spring is equipped with the fixed pin, the upper portion of needle harrow parent the mesopore position department of spring is equipped with the fixed pin to convenient the fixed to the spring position.
The upper part of the left side surface of the comb-shaped cloth baffle forms a bulge slightly towards the left side, and an inclined plane is arranged between the bulge part and the side surface of the comb-shaped cloth baffle below the bulge part, so that the needle rake assembly of the bulge part and the needle rake assembly below the inclined plane can respectively hook the front layer of fabric and the rear layer of fabric, layered grabbing of the front layer of fabric and the rear layer of fabric is realized, and the requirements of full-forming weaving are met.
The width of the tooth hole on the comb-shaped cloth baffle is slightly larger than that of the needle grabbing block, so that the needle grabbing block can conveniently penetrate through the tooth hole of the comb-shaped cloth baffle and can guide the needle grabbing block.
One or more tooth holes are formed in the comb-shaped cloth blocking plate, so that the comb-shaped cloth blocking plate is convenient to grab and combine.
The fabric grabbing mechanism of the weft knitting machine is also provided with a PLC automatic control system so as to realize the automatic control of the up-and-down movement of the needle rake assembly in the working range, the grabbing of the fabric by the needle and the withdrawing of the grabbing needle from the fabric.
When the needle and rake assembly works at a low position, the electronic damper or the electromagnet fixes the sliding seat on the sliding rail by increasing resistance or attracting, and the needle and rake assembly hooks the fabric to work under the action of the self weight and the pulling force of the pull-down spring;
when the grabbing needle needs to be withdrawn from the fabric, the motor output shaft rotates to drive the movable block to ascend, and the needle rake assembly is pushed to rotate around the rotating shaft, so that the grabbing needle is withdrawn from the fabric;
when the needle rake assembly needs to reach the high position, the electronic damper or the electromagnet is released, and the motor output shaft rotates to drive the movable block to ascend, so that the needle rake assembly is pushed to ascend to the high position; the electronic damper or the electromagnet works to fix the sliding seat on the sliding rail, a part of the output shaft of the motor rotates reversely to drive the movable block to slightly descend, and the needle rake assembly enters a waiting stage under the action of the self weight and the spring;
when the needle rake assembly needs to work, the motor output shaft rotates reversely, and a part of the motor output shaft drives the movable block to slightly descend, and the needle rake assembly hooks the fabric under the action of the self weight and the pulling force of the pull-down spring to work.
The preferred and optional technical means disclosed in the present invention can be combined arbitrarily to form a plurality of different technical solutions, except for the specific description and the further limitation that one preferred or optional technical means is another technical means.
Claims (8)
1. A fabric grabbing mechanism of a weft knitting machine is characterized by comprising a needle rake fixing plate, a comb-shaped cloth baffle, a motor and a motor fixing plate, wherein the needle rake fixing plate and the comb-shaped cloth baffle jointly form a rectangular structure with a slightly raised upper portion on the left side, the needle rake fixing plate forms the right side and the lower side of the rectangular structure, the comb-shaped cloth baffle forms the left side and the upper side of the rectangular structure, the upper portion of a left side plate of the comb-shaped cloth baffle is of a comb-tooth-shaped structure, the motor fixing plate is of a groove-shaped structure with an upward opening, a right side plate of the motor fixing plate is fixedly arranged in the middle of a right side plate of the needle rake fixing plate, a left side plate of the motor fixing plate is fixedly arranged in the middle of the left side plate of the comb-shaped cloth baffle, the motor is fixedly arranged on the motor fixing plate, a body of the motor is positioned below the motor fixing, the needle rake device comprises a motor fixing plate, a needle rake assembly, a buffer cushion block, a sliding seat and a spring, wherein an L-shaped or groove-shaped movable block with an upward opening is further arranged in a groove-shaped space of the motor fixing plate, a lower plate of the movable block is rotatably connected with an output shaft of the motor, a left side plate of the movable block is in sliding fit with a left side plate of the motor fixing plate, a needle rake assembly and a sliding rail are further arranged above the movable block in the space of a rectangular structure, the sliding rail is fixedly arranged on the upper portion of a right side plate of the needle rake fixing plate, the needle rake assembly comprises a needle rake matrix, a grabbing needle block, a pull-down spring, a buffer cushion block, a sliding seat and a spring, the grabbing needle block is fixedly arranged on the upper portion of the left side of the needle rake matrix, the buffer cushion block is fixedly arranged on the lower portion of the left side of the needle rake matrix, the needle rake mother body is connected with the sliding seat in a rotating mode through a rotating shaft, a spring is arranged between the upper portion of the sliding seat and the upper portion of the needle rake mother body, the sliding seat is connected with the sliding rail in a sliding mode, and an electronic damper or an electromagnet is fixedly arranged on the upper portion of the sliding seat.
2. A fabric gripping mechanism for a weft knitting machine according to claim 1, characterized in that one or more vertical guide grooves are provided in the left side plate of the motor fixing plate, guide bearings are provided in the guide grooves, and the shafts of the guide bearings are fixedly connected to the movable block.
3. A fabric gripping mechanism for a weft knitting machine according to claim 1, characterized in that the fixing hole at the lower end of the pull-down spring is an elongated hole extending up and down.
4. A fabric gripping mechanism for a weft knitting machine according to claim 3, characterized in that a fixing pin is provided at the position of the center hole of said spring at the upper part of said slider, and a fixing pin is provided at the position of the center hole of said spring at the upper part of said rake body.
5. A fabric gripping mechanism for a weft knitting machine according to claim 1, characterized in that the upper part of the left side of the comb-shaped cloth deflector forms a protrusion to the left slightly, and that an inclined surface is provided between the protrusion and the side of the comb-shaped cloth deflector below.
6. A fabric gripping mechanism for a weft knitting machine according to claim 1, characterized in that the width of the perforations in the comb-like cloth barrier is slightly larger than the width of the needle-catching block.
7. A fabric gripping mechanism for a weft knitting machine according to claim 1, characterized in that the comb-like baffle has one or more perforations.
8. A fabric gripping mechanism for a weft knitting machine according to claim 1, characterized in that a PLC automatic control system is further provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921519413.5U CN210886450U (en) | 2019-09-12 | 2019-09-12 | Fabric grabbing mechanism of weft knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921519413.5U CN210886450U (en) | 2019-09-12 | 2019-09-12 | Fabric grabbing mechanism of weft knitting machine |
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| Publication Number | Publication Date |
|---|---|
| CN210886450U true CN210886450U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921519413.5U Active CN210886450U (en) | 2019-09-12 | 2019-09-12 | Fabric grabbing mechanism of weft knitting machine |
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| Country | Link |
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| CN (1) | CN210886450U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112515270A (en) * | 2020-12-11 | 2021-03-19 | 孙辉 | Auxiliary grabbing and drawing device for fabric |
| CN113062038A (en) * | 2021-03-29 | 2021-07-02 | 宁波慈星股份有限公司 | Traction device of knitting machine |
| CN113604953A (en) * | 2021-08-20 | 2021-11-05 | 浙江睿丰智能科技有限公司 | Method for automatically finishing fabric of flat knitting machine |
| WO2022205468A1 (en) * | 2021-03-29 | 2022-10-06 | 宁波慈星股份有限公司 | Adjustable gripper assembly of knitting machine |
-
2019
- 2019-09-12 CN CN201921519413.5U patent/CN210886450U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112515270A (en) * | 2020-12-11 | 2021-03-19 | 孙辉 | Auxiliary grabbing and drawing device for fabric |
| CN112515270B (en) * | 2020-12-11 | 2023-08-22 | 孙辉 | Fabric auxiliary grabbing and pulling device |
| CN113062038A (en) * | 2021-03-29 | 2021-07-02 | 宁波慈星股份有限公司 | Traction device of knitting machine |
| CN113062038B (en) * | 2021-03-29 | 2022-04-01 | 宁波慈星股份有限公司 | Traction device of knitting machine |
| WO2022205468A1 (en) * | 2021-03-29 | 2022-10-06 | 宁波慈星股份有限公司 | Adjustable gripper assembly of knitting machine |
| WO2022205464A1 (en) * | 2021-03-29 | 2022-10-06 | 宁波慈星股份有限公司 | Traction device for knitting machinery |
| CN113604953A (en) * | 2021-08-20 | 2021-11-05 | 浙江睿丰智能科技有限公司 | Method for automatically finishing fabric of flat knitting machine |
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