CN215441153U - Strip opening mechanism for automatic longitudinal and transverse lace strip opening machine for weft-knitted fabric - Google Patents
Strip opening mechanism for automatic longitudinal and transverse lace strip opening machine for weft-knitted fabric Download PDFInfo
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- CN215441153U CN215441153U CN202120162655.4U CN202120162655U CN215441153U CN 215441153 U CN215441153 U CN 215441153U CN 202120162655 U CN202120162655 U CN 202120162655U CN 215441153 U CN215441153 U CN 215441153U
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Abstract
The utility model relates to a slitting mechanism for an automatic longitudinal and transverse lace slitting machine for weft-knitted fabrics, which comprises a pre-feeding assembly arranged on a slitting bracket, wherein the pre-feeding assembly is used for pre-conveying a section of fabric forwards; the clamping assembly is arranged below the pre-feeding assembly; the vertical shearing mechanism is arranged between the pre-feeding assembly and the clamping assembly and is used for vertically shearing the fabric in multiple sections; the transverse shearing mechanism is arranged below the vertical shearing mechanism and is used for transversely shearing the fabric sheared by the vertical shearing mechanism into a plurality of small sections; the pushing mechanism is arranged below the transverse shearing mechanism; the conveying belt mechanism is arranged at one end of the material pushing mechanism and used for synchronously conveying the multiple sections of fabrics sent by the material pushing mechanism.
Description
Technical Field
The utility model belongs to the technical field of textiles, and particularly relates to a slitting mechanism for an automatic longitudinal and transverse lace slitting machine for weft-knitted fabrics.
Background
The weft knitting fabric is a fabric which is formed by knitting low-elasticity polyester yarns or special-shaped polyester yarns, nylon yarns, cotton yarns, wool yarns and the like serving as raw materials on various weft knitting machines by adopting plain stitch, changed plain stitch, rib plain stitch, double rib plain stitch, jacquard weave, terry weave and the like. The weft knitting fabric has more varieties, generally has good elastic extensibility, is soft, firm and wrinkle-resistant, has strong woolen feeling, and is easy to wash and dry. However, the moisture absorption of the fabric is poor, the fabric is not stiff and smooth enough and is easy to shed and curl, and the chemical fiber fabric is easy to fluff, pill and hook.
At present, in the garment processing process, the formed garment is processed by garment original auxiliary materials, the original auxiliary materials are weft-knitted fabrics, but the original auxiliary materials are a large whole, the large whole auxiliary materials are subjected to slitting treatment in the garment production and processing process, and the large whole auxiliary materials are cut into small strips for garment making.
However, since the weft-knitted fabric is not stiff and smooth enough and is easy to loose and curl, if a common slitting machine is directly adopted for slitting production and processing, the finally processed strip-shaped fabric is easy to deform, loosen and curl, so that the requirement for batch production and processing of the weft-knitted fabric cannot be met.
Therefore, a slitting device which can specially aim at the full-automatic production and material receiving functions of the weft-knitted fabric is designed, but a slitting mechanism which can specially realize slitting processing of the weft-knitted fabric is still lacked at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide the slitting mechanism for the weft-knitted fabric automatic longitudinal and transverse lace slitting machine, which is convenient to operate, can automatically cut the weft-knitted fabric into a plurality of strip-shaped fabrics with the same size, and can not cause the problems of deformation, curling and the like of the processed strip-shaped fabrics.
In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides an automatic move about freely and quickly lace division machine of weft-knitted fabric is with opening strip mechanism, is including setting up on opening the strip support:
the pre-feeding assembly is arranged on one side of the feeding mechanism and used for conveying a section of fabric forwards in advance, and the pre-feeding assembly comprises a driving roller set, and a first roller and a second roller which are distributed on one side of the driving roller set in a staggered mode;
the clamping assembly is arranged below the second roller; the clamping assembly comprises a first clamping roller, and a second clamping roller which can be clamped with the first clamping roller through a transverse moving cylinder is arranged on one side of the first clamping roller;
the vertical shearing mechanism is arranged between the second roller and the clamping assembly and is used for vertically shearing the fabric in multiple sections;
the transverse shearing mechanism is arranged below the vertical shearing mechanism and is used for transversely shearing the fabric sheared by the vertical shearing mechanism into a plurality of small sections;
the pushing mechanism is arranged below the transverse shearing mechanism and used for pushing the fabric into the conveyor belt mechanism;
the conveying belt mechanism is arranged at one end of the material pushing mechanism and used for synchronously conveying the multiple sections of fabrics conveyed by the material pushing mechanism, and the conveying belt mechanism comprises a feeding conveying belt and a pressing wheel positioned above the feeding conveying belt.
Further, vertical shearing mechanism includes a plurality of vertical cutter assemblies of vertical distribution on the slitting support, vertical cutter assembly includes vertical cutting die and the vertical tool bit of relative setting, vertical cutting die via vertical cylinder drive with vertical tool bit is close to each other.
Furthermore, the transverse shearing mechanism comprises a plurality of transverse cutter assemblies which are vertically distributed, the transverse cutter assemblies are arranged on the slitting bracket through the driving mechanism and can synchronously and vertically move, and each transverse cutter assembly comprises a transverse cutter die and a transverse cutter head which are oppositely arranged.
Further, the driving mechanism comprises a driving motor, the driving motor drives a rotating shaft to rotate, a first conveying belt and a second conveying belt are arranged on the rotating shaft, the transverse cutter head is arranged on the first conveying belt, and the bottom of the transverse cutter head is arranged on the transverse sliding rail; the second conveyor belt drives the third conveyor belt to transmit through the transmission shaft, a transverse cutting die corresponding to the transverse cutter head is arranged on the third conveyor belt, and the transverse cutting die is driven by a transverse cylinder to be close to the transverse cutter head. Furthermore, the material pushing mechanism comprises a material clamping cylinder, and a cloth clamping plate capable of moving transversely is arranged at the front end of the material clamping cylinder; one end of the cloth clamping plate is provided with a positioning block, the positioning block is provided with a rotating plate which is arranged corresponding to the cloth clamping plate, and the rotating plate is driven by a rotating cylinder to rotate; the bottom of the rotating plate is arranged on the conveyor belt mechanism. Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the slitting mechanism for the weft-knitted fabric automatic longitudinal and transverse lace slitting machine is convenient to operate, can automatically cut a fabric into a plurality of strip fabrics with the same fabric size, does not cause the problems of deformation, curling and the like of the processed strip fabrics, is free of manual operation in the whole process, reduces labor cost, and meets the actual production and processing requirements.
Drawings
The technical scheme of the utility model is further explained by combining the accompanying drawings as follows:
FIG. 1 is a schematic perspective view of a slitting mechanism;
FIG. 2 is an enlarged view of portion C of FIG. 1;
FIG. 3 is a schematic view of the structure of FIG. 1 from another perspective;
FIG. 4 is an enlarged view of portion D of FIG. 3;
FIG. 5 is an enlarged view of section E of FIG. 3;
FIG. 6 is a schematic view of a partial structure of a material pushing mechanism and a belt conveying mechanism;
wherein: the fabric cutting machine comprises fabric 10, a slitting support 20, a pre-feeding assembly 21, a vertical shearing mechanism 27, a transverse shearing mechanism 28, a material pushing mechanism 29, a conveyor belt mechanism 30, a vertical cutting die 270, a vertical cutting head 271, a vertical air cylinder 272, a transverse cutting die 280, a transverse cutting head 281, a driving motor 282, a rotating shaft 283, a first conveyor belt 284, a second conveyor belt 285, a transverse sliding rail 286, a third conveyor belt 287, a transmission shaft 288, a clamping air cylinder 290, a cloth clamping plate 291, a positioning block 292, a rotating plate 293 and a rotating air cylinder 294.
Detailed Description
The utility model is described in further detail below with reference to the figures and the embodiments.
Referring to fig. 1-6, the slitting mechanism for an automatic weft-knitted fabric longitudinal and transverse lace slitting machine according to an embodiment of the present invention includes a pre-feeding assembly 21, a clamping assembly, a vertical shearing mechanism 27, a transverse shearing mechanism 28, a material pushing mechanism 29, and a conveyor belt mechanism 30, which are disposed on a slitting bracket 20.
The pre-feeding assembly is used for conveying a section of fabric forwards in advance, and comprises a driving roller set, and a first roller 22 and a second roller 23 which are positioned on one side of the driving roller set and distributed in a staggered mode; because the weft-knitted fabric is easy to loose and deform by curling, the roller group is driven to forward transmit a section of fabric to the first rollers 22 and the second rollers 23 which are distributed in a staggered manner in advance, so that the weft-knitted fabric is prevented from being stressed and tensioned during subsequent processing and being deformed during processing.
The clamping assembly is arranged below the second roller 23, and the clamping assembly and the first roller 23 form a 90-degree angle, so that weft-knitted fabric can be fed downwards vertically, the tensioning direction of the weft-knitted fabric is the left end and the right end, and therefore deformation of the upper side and the lower side of the weft-knitted fabric is not easy to cause, in operation, the clamping assembly comprises a first clamping roller 24, a second clamping roller 26 which can be clamped with the first clamping roller 24 through a transverse moving cylinder 25 is arranged on one side of the first clamping roller 24, and when the fabric needs to be clamped, the transverse moving cylinder 25 drives the first clamping roller 24 and the second clamping roller 26 to clamp with each other.
The vertical shearing mechanism 27 is arranged between the second roller 23 and the clamping assembly and is used for vertically shearing the fabric; specifically, the vertical shearing mechanism comprises nine vertical cutting knife assemblies which are vertically distributed on the slitting bracket 20, each vertical cutting knife assembly comprises a vertical cutting die 270 and a vertical cutting head 271 which are oppositely arranged, and the vertical cutting die 270 and the vertical cutting head 271 are driven by a vertical air cylinder 272 to be close to each other; when the vertical multistage shearing is carried out to the surface fabric to needs, vertical cutting die 270 is close to with vertical tool bit 271 via vertical cylinder drive to carry out vertical shearing to the surface fabric, a total nine vertical cutter subassemblies in this embodiment, thereby can once cut out parallel nine swords on the vertical of surface fabric, the both sides of cutting out are as deckle edge.
The fabric is continuously conveyed downwards to a transverse shearing mechanism 28, and the transverse shearing mechanism 28 is used for transversely shearing the fabric, so that the fabric is cut into a plurality of strip-shaped fabrics with the same size; the transverse shearing mechanism 28 comprises a plurality of vertically distributed transverse cutter assemblies, the plurality of transverse cutter assemblies are synchronously and vertically movably arranged on the slitting bracket 20 through a driving mechanism, the transverse cutter assemblies comprise a transverse cutter die 280 and a transverse cutter head 281 which are oppositely arranged, and the transverse cutter die 280 and the transverse cutter head 281 are driven to mutually approach through a transverse air cylinder.
The driving mechanism comprises a driving motor 282, the driving motor 282 drives a rotating shaft 283 to rotate, a first conveyor belt 284 and a second conveyor belt 285 are arranged on the rotating shaft 283, and the first conveyor belt 284 and the second conveyor belt 285 are vertically arranged; the transverse cutter head 281 is arranged on the first conveyor belt 284, and the bottom of the transverse cutter head 281 is arranged on two parallel transverse sliding rails 286; the second conveyor belt 285 drives a third conveyor belt 287 to synchronously drive through a transmission shaft 288, a transverse cutting die 280 corresponding to the transverse cutting head 281 is arranged on the third conveyor belt 287, and the transverse cutting die 280 is slidably arranged on a transverse sliding rail 286. In operation, the driving motor 282 drives the rotating shaft 283 to rotate, and the rotating shaft 283 synchronously drives the first conveyor belt 284 and the third conveyor belt 286 to transmit, so that the transverse cutting die 280 and the transverse cutting head 281 synchronously move transversely on the corresponding transverse sliding rail 286; then the transverse cylinder drives the transverse cutting die 280 and the transverse cutter head 281 to approach each other, so as to transversely cut the fabric, here, three transverse cutting mechanisms 28 arranged in parallel relatively are adopted, so that the fabric cutting time can be reduced, the processing efficiency is improved, the fabric is cut into nine strip-shaped fabrics which are arranged in parallel and have the same size, and finally the fabric enters the material pushing mechanism 29.
When the transverse shearing is carried out, the clamping assembly works to clamp the upper end of the fabric by the clamping assembly, and the lower end of the fabric is clamped by the cloth clamping plate 291 and the rotating plate 293 in the material pushing mechanism 29, so that the fabric is prevented from falling.
The pushing mechanism 29 is arranged below the transverse shearing mechanism 28 and used for pushing the sheared strip-shaped fabric into the conveyor belt mechanism 30; when the fabric is transversely cut, the bottom of the fabric enters the pushing mechanism 29, and the fabric clamping cylinder 290 drives the fabric clamping plate 291 to move forwards and transversely, so that the lower end of the strip-shaped fabric is clamped between the fabric clamping plate 291 and the rotating plate 293; then the transverse shearing mechanism 28 cuts the fabric into a plurality of strip-shaped fabrics, the rotating plate 293 is driven to rotate by the rotating cylinder 294 on the positioning block 292, after the strip-shaped fabrics rotate a certain angle, one end of the strip-shaped fabrics is aligned with the pressing wheel above the feeding conveying belt, when the fabrics enter the conveying belt mechanism, the rotating plate 293 rotates back, the fabrics fall down to enter between the feeding conveying belt 30 and the pressing wheel 31 of the conveying belt mechanism, and finally the fabrics are conveyed to the subsequent mechanism 5.
The slitting mechanism for the weft-knitted fabric automatic longitudinal and transverse lace slitting machine is convenient to operate, can automatically cut a fabric into a plurality of strip fabrics with the same fabric size, does not cause the problems of deformation, curling and the like of the processed strip fabrics, is free of manual operation in the whole process, reduces labor cost, and meets the actual production and processing requirements.
The above is only a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (5)
1. The utility model provides an automatic move about freely and quickly lace division machine of weft-knitted fabric is with opening strip mechanism which characterized in that, including setting up on opening the strip support:
the pre-feeding assembly is used for pre-conveying a section of fabric forwards, and comprises a driving roller set, and a first roller and a second roller which are positioned on one side of the driving roller set and distributed in a staggered manner;
the clamping assembly is arranged below the second roller; the clamping assembly comprises a first clamping roller, and a second clamping roller which can be clamped with the first clamping roller through a transverse moving cylinder is arranged on one side of the first clamping roller;
the vertical shearing mechanism is arranged between the second roller and the clamping assembly and is used for vertically shearing the fabric in multiple sections;
the transverse shearing mechanism is arranged below the vertical shearing mechanism and is used for transversely shearing the fabric sheared by the vertical shearing mechanism into a plurality of small sections;
the pushing mechanism is arranged below the transverse shearing mechanism and used for pushing the fabric into the conveyor belt mechanism;
the conveying belt mechanism is arranged at one end of the material pushing mechanism and used for synchronously conveying the multiple sections of fabrics conveyed by the material pushing mechanism, and the conveying belt mechanism comprises a feeding conveying belt and a pressing wheel positioned above the feeding conveying belt.
2. The slitting mechanism for the automatic weft-knitted fabric longitudinal and transverse lace slitting machine according to claim 1, characterized in that: the vertical cutting mechanism comprises a plurality of vertical cutting knife assemblies which are vertically distributed on the slitting support, each vertical cutting knife assembly comprises a vertical cutting die and a vertical tool bit which are oppositely arranged, and the vertical cutting dies are driven by vertical cylinders to be close to the vertical tool bits.
3. The slitting mechanism for the automatic weft-knitted fabric longitudinal and transverse lace slitting machine according to claim 1, characterized in that: the transverse shearing mechanism comprises a plurality of vertically distributed transverse cutter assemblies, the transverse cutter assemblies are arranged on the slitting support through the driving mechanism and can move vertically synchronously, and each transverse cutter assembly comprises a transverse cutter die and a transverse cutter head which are arranged oppositely.
4. The slitting mechanism for the automatic weft-knitted fabric longitudinal and transverse lace slitting machine according to claim 3, characterized in that: the driving mechanism comprises a driving motor, the driving motor drives a rotating shaft to rotate, a first conveying belt and a second conveying belt are arranged on the rotating shaft, the transverse cutter head is arranged on the first conveying belt, and the bottom of the transverse cutter head is arranged on a transverse sliding rail; the second conveyor belt drives the third conveyor belt to transmit through the transmission shaft, a transverse cutting die corresponding to the transverse cutter head is arranged on the third conveyor belt, and the transverse cutting die is driven by a transverse cylinder to be close to the transverse cutter head.
5. The slitting mechanism for the automatic weft-knitted fabric longitudinal and transverse lace slitting machine according to claim 1, characterized in that: the pushing mechanism comprises a material clamping cylinder, and a cloth clamping plate capable of moving transversely is arranged at the front end of the material clamping cylinder; one end of the cloth clamping plate is provided with a positioning block, the positioning block is provided with a rotating plate which is arranged corresponding to the cloth clamping plate, and the rotating plate is driven by a rotating cylinder to rotate; the bottom of the rotating plate is arranged above the conveying belt mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120162655.4U CN215441153U (en) | 2021-01-21 | 2021-01-21 | Strip opening mechanism for automatic longitudinal and transverse lace strip opening machine for weft-knitted fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120162655.4U CN215441153U (en) | 2021-01-21 | 2021-01-21 | Strip opening mechanism for automatic longitudinal and transverse lace strip opening machine for weft-knitted fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215441153U true CN215441153U (en) | 2022-01-07 |
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ID=79700855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120162655.4U Active CN215441153U (en) | 2021-01-21 | 2021-01-21 | Strip opening mechanism for automatic longitudinal and transverse lace strip opening machine for weft-knitted fabric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215441153U (en) |
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2021
- 2021-01-21 CN CN202120162655.4U patent/CN215441153U/en active Active
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