CN211734652U - Fabric pull-down device for computerized flat knitting machine - Google Patents
Fabric pull-down device for computerized flat knitting machine Download PDFInfo
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- CN211734652U CN211734652U CN201922204491.2U CN201922204491U CN211734652U CN 211734652 U CN211734652 U CN 211734652U CN 201922204491 U CN201922204491 U CN 201922204491U CN 211734652 U CN211734652 U CN 211734652U
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Abstract
The utility model relates to a fabric pull-down device for a computerized flat knitting machine, which is arranged below a front needle bed and a back needle bed of the flat knitting machine in pairs, a needle for hooking fabrics is arranged on a catching claw, and a base is fixedly arranged on the flat knitting machine; the upper shield is arranged above the base, and the front side surface of the upper shield is provided with a slotted hole which can expose the needle on the catching claw; a catching claw is provided with a driving motor which is arranged on the base, and in the process that the driving motor drives the catching claw to descend, the catching claw inclines to the front side surface close to the upper shield and the needle for catching the fabric is exposed out of the slotted hole. Each catching claw is independently controlled by a driving motor, and the lifting of the catching claws can be determined according to the characteristics of the fabric, so that the quality of the fabric is higher; the pull-down device is more stable than the pulling force of a common rotating roller, and when the front needle bed and the rear needle bed respectively weave cloth pieces, the pull-down device respectively pulls the front cloth piece and the rear cloth piece downwards to enable the pulling force of the two cloth pieces to be the same.
Description
Technical Field
The utility model relates to a computerized flat knitting machine field, specifically say, relate to a fabric pull-down device for computerized flat knitting machine.
Background
For example, in patent publication No. CN106192187B, a catching and pulling-down mechanism in the pulling-down device is a rotary roller type in which a catching member is driven to move up and down by driving a pulling-down cam to rotate in a specific direction, but the pulling force generated by the rotary roller type is unstable, and when weaving fabric pieces on front and rear needle beds, for example, the pulling force of the rotary roller is affected by sliding friction between the fabric pieces to produce fabric pieces of different lengths, so it is necessary to improve and optimize the conventional pulling-down device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a fabric pull-down device for computerized flat knitting machine that structural design is reasonable, every catches that the claw can independent control, the pulling force is steady.
The utility model provides a technical scheme that above-mentioned problem adopted is: the utility model provides a fabric pull-down device for computerized flat knitting machine, arranges in pairs in the below of the front needle bed and the back needle bed of flat knitting machine, the fabric pull-down device includes base, last guard shield and a plurality of catches the claw, be provided with the needle that is used for catching the fabric on catching the claw, its characterized in that: the driving motor is used for driving the catching claw to move up and down; the base is fixedly arranged on the flat knitting machine; the upper shield is arranged above the base, and a slot hole which can expose the needle on the catching claw is formed in the front side surface of the upper shield; a catching claw is provided with a driving motor which is installed on the base, and in the process that the driving motor drives the catching claw to descend, the catching claw inclines to the front side face close to the upper shield and the needle for hooking the fabric is exposed out of the slotted hole.
Preferably, one catching claw is provided with one claw base; the catching claw is hinged to the upper end of the claw base, and the lower end of the claw base is connected with a screw rod sliding block; the output end of the driving motor is provided with a vertical lead screw; the lead screw slider is arranged on the lead screw, and the lead screw is in transmission connection with the lead screw. The claw base is driven to move up and down in a lead screw transmission mode, and the claw base has the advantages of being stable in movement and high in precision.
Preferably, a weight is disposed on one side of the claw base.
Preferably, one side of the catching claw is provided with a tilting rod; the raising rod is vertically arranged, the upper portion of the raising rod is fixedly connected with the capturing claw, and the tail portion of the raising rod is raised in the direction far away from the front side face of the upper shield.
Preferably, stick up a pole configuration stick up pole roof, should stick up the pole roof and install on the base, and it acts on the afterbody of sticking up the pole, catching claw when rising to a take the altitude, stick up the pole roof and support the afterbody of sticking up the pole, make the afterbody of sticking up the pole to the direction that is close to last guard shield front surface remove, drive promptly and catch the claw and take place to rotate to the direction of keeping away from last guard shield front surface to make and catch the claw and be in last guard shield completely.
Preferably, one sticks up a push rod electro-magnet of pole configuration, and this push rod electro-magnet is installed on the base, and it acts on the afterbody of stick up the pole, catching claw when rising to a take the altitude, the push rod of push rod electro-magnet stretches out to support and leans on the afterbody of stick up the pole, makes the afterbody of stick up the pole to the direction that is close to the upper shield leading flank remove, drives catching claw promptly and rotates to the direction of keeping away from the upper shield leading flank to make catching claw be located the upper shield completely.
Preferably, the pair of fabric pull-down devices are installed below the front needle bed and the back needle bed of the flat knitting machine in a manner that the front sides of the upper shields of the pair of fabric pull-down devices are opposite to each other, and a vertical passage of the fabric is formed between the front sides of the two upper shields.
Preferably, the base is further provided with a rear shield, the upper shield is in an inverted J shape, and the upper shield is connected with the top of the rear shield.
Preferably, the tilting rod is divided into an upper part, a middle part and a tail part, wherein the joint of the middle part and the tail part adopts an arc section for transition, and correspondingly, the front end surface of the top plate of the tilting rod is an arc surface; the front end face of the tilting rod top plate is used for abutting against the tail of the tilting rod, and the design of the arc surface enables the tilting rod to rise smoothly without interference and abut against the tail of the tilting rod.
Preferably, the driving motor is a servo motor.
The utility model discloses in, each catches the claw and all has a driving motor independent control, catches the claw through lead screw transmission control and reciprocates, sticks up the pole and can be pushed down by stick up the pole top plate or push rod electro-magnet when rising to a take the altitude, makes and catches the claw and get into stop work in the upper shield, prevents to collude the yarn.
Compared with the prior art, the utility model, have following advantage and effect: each catching claw is independently controlled by a driving motor, and the lifting of the catching claws can be determined according to the characteristics of the fabric, so that the quality of the fabric is higher; the pull-down device is more stable than the pulling force of a common rotating roller, and when the front needle bed and the rear needle bed respectively weave cloth pieces, the pull-down device respectively pulls the front cloth piece and the rear cloth piece downwards to enable the pulling force of the two cloth pieces to be the same.
Drawings
In order to illustrate the embodiments of the present invention or the solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic perspective view of a part of a fabric pull-down apparatus according to embodiment 1 of the present invention.
Fig. 2 is another perspective view (with the rear cover removed) of a part of a fabric pull-down apparatus according to embodiment 1 of the present invention.
Fig. 3 is an enlarged schematic view of a structure at a in fig. 1.
Fig. 4 is a schematic side view of a fabric pull-down apparatus according to embodiment 1 of the present invention.
Fig. 5 is a schematic structural view of the embodiment 1 of the present invention in which the catching claw is mounted on the claw base.
FIG. 6 is a schematic showing the relative installation of a pair of fabric pull-down devices.
FIG. 7 is a diagram illustrating a raising process of the catch pawl in example 1.
Fig. 8 is a schematic perspective view of a part of a fabric pull-down apparatus according to embodiment 2 of the present invention.
Fig. 9 is a side view schematic of the structure of fig. 8.
FIG. 10 is a diagram showing the ascending operation of the catch pawl in example 2.
Description of reference numerals: the device comprises a base 1, an upper shield 2, a slotted hole 21, a capturing claw 3, a needle 31, a driving motor 4, a claw base 5, a screw rod slide block 6, a screw rod 7, a balancing weight 8, a tilting rod 9, an arc segment 91, a tilting rod top plate 10, a push rod electromagnet 11 and a rear shield 12.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Example 1.
See fig. 1-7.
The embodiment discloses a fabric pull-down device for a computerized flat knitting machine, which is arranged below a front needle bed and a back needle bed of the flat knitting machine in pairs, and comprises a base 1, an upper shield 2, a plurality of catching claws 3 and a driving motor 4 for driving the catching claws 3 to move up and down, wherein the driving motor 4 adopts a servo motor.
In this embodiment, the catching claw 3 is provided with a needle 31 for catching a fabric, and the base 1 is fixedly mounted on the flat knitting machine. The upper shield 2 is mounted above the base 1, and has a slot 21 formed in a front side surface thereof to expose the needle 31 of the catch pawl 3.
In this embodiment, a driving motor 4 is provided to a catching claw 3, the driving motor 4 is installed on the base 1, and the catching claw 3 is inclined toward the front side surface close to the upper shield 2 and its needle 31 for catching the cloth is exposed from the slot hole 21 in the process of lowering the catching claw 3 by the driving motor 4. Specifically, one capturing claw 3 is provided with one claw base 5; the catching claw 3 is hinged at the upper end of the claw base 5, and the lower end of the claw base 5 is connected with a screw rod sliding block 6; the output end of the driving motor 4 is provided with a vertical screw 7; the lead screw slider 6 is arranged on the lead screw 7, and the lead screw is in transmission connection with the lead screw. The claw base 5 is driven to move up and down in a lead screw transmission mode, and the claw base has the advantages of being stable in movement and high in precision.
In this embodiment, a weight 8 is disposed on one side of the claw base 5, and the weight 8 can increase the pulling force of the capturing claw 3 to a certain extent. In this embodiment, the weight of the head of the catching claw 3 is heavier than that of the tail, and when no other external force is applied, the catching claw 3 rotates to one side around the hinge point with the claw base 5, so that the needle 31 for hooking the fabric is exposed from the slot 21 during the descending process.
In this embodiment, a raising rod 9 is installed at one side of the capturing claw 3; the tilting rod 9 is vertically arranged, the upper part of the tilting rod is fixedly connected with the catching claw 3, and the tail part of the tilting rod tilts towards the direction far away from the front side surface of the upper shield 2. One sticks up pole 9 configuration and sticks up pole roof 10, and this stick up pole roof 10 and install on base 1, and it acts on the afterbody that sticks up pole 9, and when catching claw 3 rose to a take the altitude, stick up pole roof 10 and support and stick up the afterbody of pole 9, make the afterbody that sticks up pole 9 to the direction removal that is close to last guard shield 2 front surface, drive promptly and catch claw 3 and take place to rotate to the direction of keeping away from last guard shield 2 front surface to make catching claw 3 be in last guard shield 2 completely.
In this embodiment, the tilting rod 9 is divided into an upper portion, a middle portion and a tail portion, wherein the joint of the middle portion and the tail portion is transited by an arc section 91, and correspondingly, the front end surface of the tilting rod top plate 10 is an arc surface; the front end face of the warped rod top plate 10 is used for abutting against the tail of the warped rod 9, and the design of the arc surface enables the warped rod top plate 10 to abut against the tail of the warped rod 9 smoothly without interference in the rising process of the warped rod 9.
In this embodiment, a pair of fabric pull-down devices are installed below the front needle bed and the back needle bed of the flat knitting machine so that the front sides of the upper shields 2 face each other, and a vertical passage for fabric is formed between the front sides of the upper shields 2. The base 1 is also provided with a rear shield 12, the upper shield 2 is in an inverted J shape, and the upper shield 2 is connected with the top of the rear shield 12.
In the embodiment, each catching claw 3 is independently controlled by a driving motor 4, the catching claws 3 are controlled to move up and down through screw rod transmission, and the warping rod 9 is pressed by the warping rod top plate 10 when the catching claws 3 ascend to a certain height, so that the catching claws 3 enter the upper shield 2 to stop working, and yarn hooking is prevented.
Example 2.
Referring to fig. 8 to 10, the present embodiment 2 is different from embodiment 1 in that: a stick up pole 9 disposes a push rod electro-magnet 11, this push rod electro-magnet 11 is installed on base 1, and it acts on the afterbody of sticking up the pole 9, and when catching claw 3 rose to a certain height, the push rod of push rod electro-magnet 11 stretched out and leaned on the afterbody of sticking up the pole 9, made the afterbody of sticking up the pole 9 move to the direction that is close to the front surface of upper shield 2, namely drive catching claw 3 and take place the rotation to the direction of keeping away from the front surface of upper shield 2, thereby made catching claw 3 be in upper shield 2 completely.
In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the patent idea of the utility model are included in the protection scope of the patent of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (10)
1. The utility model provides a fabric pull-down device for computerized flat knitting machine, arranges in pairs in the below of the front needle bed and the back needle bed of flat knitting machine, fabric pull-down device includes base (1), upper shield (2) and a plurality of catches claw (3), be provided with on catching claw (3) and be used for catching needle (31) of fabric, its characterized in that: the catching claw (3) is driven by a driving motor (4) to move up and down; the base (1) is fixedly arranged on the flat knitting machine; the upper shield (2) is arranged above the base (1), and the front side surface of the upper shield is provided with a slotted hole (21) which can expose a needle (31) on the catching claw (3); a catching claw (3) is provided with a driving motor (4), the driving motor (4) is installed on the base (1), and in the process that the driving motor (4) drives the catching claw (3) to descend, the catching claw (3) inclines to the front side close to the upper shield (2) and a needle (31) for hooking the fabric is exposed out of the slotted hole (21).
2. The fabric pulling-down device for a computerized flat knitting machine according to claim 1, characterized in that: a catching claw (3) is provided with a claw base (5); the catching claw (3) is hinged to the upper end of the claw base (5), and the lower end of the claw base (5) is connected with a lead screw sliding block (6); the output end of the driving motor (4) is provided with a vertical screw rod (7); the screw rod sliding block (6) is arranged on the screw rod (7), and the screw rod sliding block and the screw rod are in transmission connection.
3. The fabric draw-down device for a computerized flat knitting machine according to claim 2, characterized in that: and one side of the claw base (5) is provided with a balancing weight (8).
4. The fabric pulling-down device for a computerized flat knitting machine according to claim 1, characterized in that: a warping rod (9) is arranged on one side of the capturing claw (3); the raising rod (9) is vertically arranged, the upper part of the raising rod is fixedly connected with the catching claw (3), and the tail part of the raising rod is raised towards the direction far away from the front side surface of the upper shield (2).
5. The fabric pulling-down device for the computerized flat knitting machine according to claim 4, wherein: stick up pole roof (10) of pole (9) configuration one, should stick up pole roof (10) and install on base (1), and it acts on the afterbody of stick up pole (9), catch claw (3) when rising to a take the altitude, stick up the afterbody that pole roof (10) leaned on and stick up pole (9), make the afterbody of stick up pole (9) to the direction removal that is close to last guard shield (2) leading flank, drive promptly and catch claw (3) and take place to rotate to the direction of keeping away from last guard shield (2) leading flank to make catch claw (3) be located last guard shield (2) completely.
6. The fabric pulling-down device for the computerized flat knitting machine according to claim 4, wherein: stick up push rod electro-magnet (11) of pole (9) configuration, this push rod electro-magnet (11) are installed on base (1), and it acts on the afterbody of stick up pole (9), catch claw (3) when rising to a take the altitude, the push rod of push rod electro-magnet (11) stretches out to lean on the afterbody of sticking up pole (9), makes the afterbody of stick up pole (9) to the direction removal of being close to last guard shield (2) leading flank, drives promptly and catches claw (3) and take place to rotate to the direction of keeping away from last guard shield (2) leading flank to make catch claw (3) be in last guard shield (2) completely.
7. The fabric pulling-down device for a computerized flat knitting machine according to claim 1, characterized in that: the pair of fabric pull-down devices are arranged below a front needle bed and a back needle bed of the flat knitting machine in a mode that the front side surfaces of the upper shields (2) of the pair of fabric pull-down devices are opposite, and a vertical passage of fabric is formed between the front side surfaces of the two upper shields (2).
8. The fabric pulling-down device for a computerized flat knitting machine according to claim 1, characterized in that: the base (1) is further provided with a rear shield (12), the upper shield (2) is in an inverted J shape, and the upper shield (2) is connected with the top of the rear shield (12).
9. The fabric pulling-down device for the computerized flat knitting machine according to claim 5, wherein: the tilting rod (9) is divided into an upper part, a middle part and a tail part, wherein the joint of the middle part and the tail part adopts an arc section (91) for transition, and correspondingly, the front end surface of the tilting rod top plate (10) is an arc surface; the front end surface of the warped rod top plate (10) is used for abutting against the tail part of the warped rod (9).
10. The fabric pulling-down device for a computerized flat knitting machine according to claim 1, characterized in that: the driving motor (4) adopts a servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922204491.2U CN211734652U (en) | 2019-12-10 | 2019-12-10 | Fabric pull-down device for computerized flat knitting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922204491.2U CN211734652U (en) | 2019-12-10 | 2019-12-10 | Fabric pull-down device for computerized flat knitting machine |
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| Publication Number | Publication Date |
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| CN211734652U true CN211734652U (en) | 2020-10-23 |
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| CN201922204491.2U Active CN211734652U (en) | 2019-12-10 | 2019-12-10 | Fabric pull-down device for computerized flat knitting machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110923933A (en) * | 2019-12-10 | 2020-03-27 | 桐乡市强隆机械有限公司 | Fabric pull-down device for computerized flat knitting machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110923933A (en) * | 2019-12-10 | 2020-03-27 | 桐乡市强隆机械有限公司 | Fabric pull-down device for computerized flat knitting machine |
| CN110923933B (en) * | 2019-12-10 | 2023-11-28 | 桐乡市强隆机械有限公司 | Fabric pull-down device for computerized flat knitting machine |
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