CN113091860A - Yarn weighing equipment - Google Patents
Yarn weighing equipment Download PDFInfo
- Publication number
- CN113091860A CN113091860A CN202110323552.6A CN202110323552A CN113091860A CN 113091860 A CN113091860 A CN 113091860A CN 202110323552 A CN202110323552 A CN 202110323552A CN 113091860 A CN113091860 A CN 113091860A
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- China
- Prior art keywords
- yarn
- roller
- taper sleeve
- cylinder
- bobbin
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G17/00—Apparatus for or methods of weighing material of special form or property
- G01G17/02—Apparatus for or methods of weighing material of special form or property for weighing material of filamentary or sheet form
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H51/00—Forwarding filamentary material
- B65H51/02—Rotary devices, e.g. with helical forwarding surfaces
- B65H51/04—Rollers, pulleys, capstans, or intermeshing rotary elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/18—Constructional details
- B65H75/32—Arrangements to facilitate severing of material
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The invention relates to a yarn weighing device, which comprises a frame; the machine frame is provided with a mounting device for mounting a bobbin, a conveying device for conveying the yarn on the bobbin from the mounting device to a measuring device, the measuring device for measuring the length of the yarn, a yarn shearing device for shearing the yarn output from the measuring device, and a weighing device for measuring the yarn output by the yarn shearing device. The bobbin is taken down from the skip car by an external robot and then placed on the mounting device, the bobbin on the mounting device is conveyed to the measuring device by the conveying device to measure the length of the yarn, when the measuring device detects that the passing yarn is the preset length, the yarn is cut by the yarn cutting device, the yarn with the preset length enters the weighing device to be weighed and measured, whether the quality of the yarn on each bobbin reaches the standard or not is judged, labor intensity is reduced, automation degree is improved, production efficiency is improved, and use of field personnel is reduced.
Description
Technical Field
The invention relates to the technical field of weighing equipment, in particular to yarn weighing equipment.
Background
At present, in the glass fiber industry, yarn hectometer weighing machine all adopts man-machine complex semi-automatic mode, is also responsible for cutting out the yarn of a hectometer by one person, and alone is responsible for weighing this yarn, and this kind of mode production efficiency is general, and degree of automation is low, and intensity of labour is big, and is higher to operator's eyesight requirement and physical demands.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a yarn weighing device.
The technical purpose of the invention is realized by the following technical scheme: a yarn weighing apparatus includes a frame; the machine frame is provided with a mounting device for mounting a bobbin, a conveying device for conveying the yarn on the bobbin from the mounting device to a measuring device, the measuring device for measuring the length of the yarn, a yarn shearing device for shearing the yarn output from the measuring device, and a weighing device for measuring the yarn output by the yarn shearing device.
Optionally, the mounting device includes a tensioning mechanism for mounting the bobbin, and a swing mechanism for driving the tensioning mechanism to rotate; the slewing mechanism is arranged on the machine frame; the tensioning mechanism is arranged on the slewing mechanism.
Optionally, the swing mechanism includes a rotating cylinder and a bracket; the rotary cylinder is arranged on the frame; the bracket is arranged on a rotating shaft of the rotating cylinder; the tensioning mechanism is arranged on the bracket.
Optionally, the conveying device comprises an X-axis slide rail, a first cylinder, and a clamping jaw for clamping the yarn; the X-axis slide rail is arranged on the rack; the first cylinder is connected with the X-axis slide rail in a sliding manner; the clamping jaw is fixedly connected with an output shaft of the first cylinder.
Optionally, the conveying device further comprises a funnel and a vacuum generator; the funnel is arranged on the frame and is positioned at the rear end of the tensioning mechanism; the vacuum generator is connected with the funnel.
Optionally, the measuring device includes a first servo motor, a second servo motor, a first roller assembly, a second roller assembly, a first slide rail, and a second slide rail; the first sliding rail and the second sliding rail are both arranged on the rack; the first roller wheel assembly is connected with the first sliding rail in a sliding manner; the second roller assembly is movably connected with the second sliding rail; the first servo motor is in transmission connection with the first roller; the second servo motor is in transmission connection with the second roller; a first gap for the yarn to pass through is arranged between the first roller and the second roller.
Optionally, the measuring device includes a third servo motor, a fourth servo motor, a third roller assembly, a fourth roller assembly, a third slide rail, and a fourth slide rail; the third slide rail and the fourth slide rail are both arranged on the rack; the third roller assembly is connected with the third sliding rail in a sliding manner; the fourth roller wheel assembly is movably connected with the fourth sliding rail; the third servo motor is in transmission connection with the third roller; the fourth servo motor is in transmission connection with the fourth roller; a second gap for the yarn to pass through is arranged between the third roller and the fourth roller; the second gap is located below the first gap.
Optionally, the tensioning mechanism comprises a first tensioning assembly and a second tensioning assembly for mounting the bobbin; the first tensioning assembly and the second tensioning assembly are symmetrically arranged.
Optionally, the first tensioning assembly includes a second cylinder, a first taper sleeve, a second taper sleeve and a first elastic sheet; the first taper sleeve is fixedly arranged on the bracket; an output shaft of the second cylinder penetrates through the first taper sleeve; the second taper sleeve is fixedly connected with an output shaft of the second cylinder; one end of the first elastic sheet is fixedly connected with the first taper sleeve, and the other end of the first elastic sheet is abutted against the second taper sleeve.
Optionally, the second tensioning assembly includes a third cylinder, a third taper sleeve, a fourth taper sleeve and a second elastic sheet; the third taper sleeve is fixedly arranged on the bracket; an output shaft of the third cylinder penetrates through the third taper sleeve; the fourth taper sleeve is fixedly connected with an output shaft of the third cylinder; one end of the second elastic sheet is fixedly connected with the third taper sleeve, and the other end of the second elastic sheet is abutted against the fourth taper sleeve.
In conclusion, the invention has the following beneficial effects: the bobbin is taken down from the skip car by an external robot and then placed on the mounting device, the bobbin on the mounting device is conveyed to the measuring device by the conveying device to measure the length of the yarn, when the measuring device detects that the passing yarn is the preset length, the yarn is cut by the yarn cutting device, the yarn with the preset length enters the weighing device to be weighed and measured, whether the quality of the yarn on each bobbin reaches the standard or not is judged, labor intensity is reduced, automation degree is improved, production efficiency is improved, and use of field personnel is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the construction of the mounting device of the present invention;
FIG. 3 is an exploded schematic view of the tensioner of the present invention;
FIG. 4 is a schematic view of the connection of the X-axis slide rail, the first cylinder and the clamping jaw according to the present invention;
FIG. 5 is a schematic view of the structure of the measuring device of the present invention;
fig. 6 is an enlarged schematic view of a in the present invention.
In the figure: 1. a frame; 2. a mounting device; 21. a tensioning mechanism; 211. a first tensioning assembly; 2111. a second cylinder; 2112. a first taper sleeve; 2113. a second taper sleeve; 2114. a first spring plate; 212. a second tensioning assembly; 2121. a third cylinder; 2122. a third taper sleeve; 2123. a fourth taper sleeve; 2124. a second elastic sheet; 22. a swing mechanism; 221. a rotating cylinder; 222. a support; 3. a conveying device; 31. an X-axis slide rail; 32. a first cylinder; 33. a clamping jaw; 34. a funnel; 4. a measuring device; 41. a first servo motor; 42. a second servo motor; 43. a first roller assembly; 44. a second roller assembly; 45. a first slide rail; 46. a second slide rail; 6. a weighing device; 7. a bobbin.
Detailed Description
In order to make the objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. Several embodiments of the invention are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like are used for descriptive purposes only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, configuration, and operation, and therefore should not be construed as limiting the present invention.
The invention is described in detail below with reference to the figures and examples.
Referring to fig. 1, the present invention provides a yarn weighing apparatus, which includes a frame 1. The frame 1 is provided with a mounting device 2 for mounting a bobbin 7, a conveying device 3 for conveying the yarn on the bobbin 7 from the rotating device to the measuring device 4, a measuring device 4 for measuring the length of the yarn, a yarn cutting device for cutting the yarn output from the measuring device 4, and a weighing device 6 for measuring the yarn output from the yarn cutting device. The bobbin 7 is taken down from the skip car by an external robot and then placed on the mounting device 2, the bobbin 7 on the mounting device 2 is conveyed to the measuring device 4 by the conveying device 3 to measure the length of the yarn, when the measuring device 4 detects that the passing yarn is the preset length, the yarn is cut by the yarn cutting device, the yarn with the preset length enters the weighing device 6 to be weighed and measured, so that whether the quality of the yarn on each bobbin reaches the standard or not is judged, the labor intensity is reduced, the automation degree is improved, the production efficiency is improved, and the use of field personnel is reduced.
In an alternative embodiment of the mounting device 2, see fig. 1, 2 and 3, the mounting device 2 comprises a tensioning mechanism 21 for mounting the bobbin tube 7, and a turning mechanism 22 for driving said tensioning mechanism 21 in rotation. The rotating mechanism 22 is arranged on the machine frame 1, and the tensioning mechanism 21 is arranged on the rotating mechanism 22. The rotating device is used for enabling the tensioning mechanism 21 to simultaneously feed and cooperate with the conveying device 3 to convey the yarn, so that the working efficiency of the yarn weighing equipment is improved.
Further, the revolving mechanism 22 includes a revolving cylinder 221 and a bracket 222, the revolving cylinder 221 is disposed on the frame 1, the bracket 222 is disposed on a rotating shaft of the revolving cylinder 221, the tensioning mechanism 21 is disposed on the bracket 222, and the revolving cylinder 221 of the present application is configured to rotate 180 degrees at a time, and the revolving cylinder 221 drives the bracket 222 to rotate so as to drive the tensioning mechanism 21 to rotate.
In an alternative embodiment of the conveying device 3, see fig. 1 and 4, the conveying device 3 comprises an X-axis slide 31, a first cylinder 32, and a clamping jaw 33 for clamping the yarn, wherein the X-axis slide 31 is disposed on the frame 1, and in practical applications, a supporting frame is erected on the frame 1, and the X-axis slide 31 is disposed on the supporting frame, so that the X-axis slide 31 is located above the mounting device 2, the conveying device 3, the measuring device 4, the thread cutting device, and the weighing device 6, so that the first cylinder 32 slides on the X-axis slide 31. The first cylinder 32 is connected with the X-axis slide rail 31 in a sliding manner, and the clamping jaw 33 is fixedly connected with an output shaft of the first cylinder 32. Specifically, the jaw 33 has a shearing function, that is, when the yarn of the bobbin 7 of the mounting device 2 is sheared, the yarn located below the jaw 33 is sheared and dropped to the outside collection box, and the yarn located above the jaw 33 is held by the jaw 33, so that the yarn follows the movement of the jaw 33.
It is further provided that, with reference to fig. 1, the conveying device 3 further comprises a hopper 34, and a vacuum generator. Funnel 34 sets up in frame 1, and be located straining device 21's rear end, vacuum generator with funnel 34 is connected, because the yarn on bobbin 7 on straining device 21 is all rolled up and is established on bobbin 7 to the yarn is softer, is blown by wind and then can shift, therefore clamping jaw 33 is difficult to snatch the yarn on bobbin 7, then sets up funnel 34 in installation device 2's rear end, installs bobbin 7 back on straining device 21, and the yarn on bobbin 7 can be inhaled in funnel 34 by vacuum generator in, and vacuum generator continuously sucks, makes the yarn all the time in funnel 34, then clamping jaw 33 can all follow funnel 34 at every turn and the below that funnel 34 was leaked outside to the part that clamping jaw 33 pinches off the yarn.
In practice, in order to make the yarn slide more smoothly after being pulled by the jaws 33, a plurality of rollers are provided on the support 222 and at the rear end of the hopper 34, so that the yarn can slide around the rollers.
In an alternative embodiment of measuring device 4, referring to fig. 1, 5 and 6, measuring device 4 comprises a first servomotor 41, a second servomotor 42, a first roller assembly 43, a second roller assembly 44, a first slide rail 45, and a second slide rail 46. The first slide rail 45 and the second slide rail 46 are both arranged on the frame 1, and the first roller assembly 43 is slidably connected with the first slide rail 45; the second roller assembly 44 is movably connected with the second slide rail 46; the first servo motor 41 is in transmission connection with the first roller; the second servo motor 42 is in transmission connection with the second roller; a first gap for the yarn to pass through is arranged between the first roller and the second roller. The first gap can be enlarged and reduced by the arrangement of the first slide rail 45 and the second slide rail 46, when the first gap is enlarged, the clamping jaw 33 can drive the yarn to enter the first gap, then the clamping jaw 33 leaves the first gap, the first roller assembly 43 slides along the first slide rail 45, the second roller assembly 44 slides along the second slide rail 46, the first gap is reduced, so that the first roller assembly 43 and the second roller assembly 44 clamp the yarn, the first servo motor 41 and the second servo motor 42 synchronously drive the first roller assembly 43 and the second roller assembly 44 to rotate, so that the length of the yarn passing through the first gap is related to the rotating distance of the first roller, and the length of the yarn passing through the first gap can be determined according to the rotating distance of the first servo motor 41 and the second servo motor 42.
Further setting, in order to make the length measurement of the yarn more accurate, the measuring device 4 includes a third servo motor, a fourth servo motor, a third roller assembly, a fourth roller assembly, a third slide rail and a fourth slide rail. And the third slide rail and the fourth slide rail are both arranged on the rack 1. The third roller assembly is connected with the third sliding rail in a sliding manner; the fourth roller wheel assembly is movably connected with the fourth sliding rail; the third servo motor is in transmission connection with the third roller; the fourth servo motor is in transmission connection with the fourth roller; a second gap for the yarn to pass through is arranged between the third roller and the fourth roller; the second gap is located below the first gap. The arrangement of the third slide rail and the fourth slide rail enables the second gap to be enlarged and reduced, when the second gap is enlarged, the clamping jaw 33 can drive the yarn to enter the second gap, then the clamping jaw 33 leaves the first gap and the second gap, the third roller assembly slides along the third slide rail, the fourth roller assembly slides along the fourth slide rail, the second gap is reduced, the third roller assembly and the fourth roller assembly clamp the yarn, the third servo motor and the fourth servo motor synchronously drive the third roller assembly and the fourth roller assembly to rotate, the length of the yarn passing through the second gap is related to the rotating distance of the third roller assembly, and the length of the yarn passing through the second gap can be determined according to the rotating distance of the third servo motor and the fourth servo motor.
In addition, in practical application, the second gap is arranged right below the first gap to enable the yarn to be in an upright suspension state, and the first servo motor 41, the second servo motor 42, the third servo motor and the fourth servo motor are synchronously rotated, so that the yarn in the first gap and the second gap always keeps upright, and when an external person finds that the yarn is not straight, the measurement of the length of the yarn is inaccurate, and therefore, the rotating speeds of the first servo motor 41, the second servo motor 42, the third servo motor and the fourth servo motor need to be manually adjusted.
In practical application, this application can set up a gyro wheel directly over first clearance, makes the yarn walk around this gyro wheel and gets into first clearance vertically downwards to make the measurement to yarn length more accurate.
In an alternative embodiment of the tensioning mechanism 21, referring to fig. 2 and 3, the tensioning mechanism 21 comprises a first tensioning assembly 211 and a second tensioning assembly 212 for mounting the bobbin 7, the first tensioning assembly 211 and the second tensioning assembly 212 are symmetrically arranged, so that during the rotation of the revolving mechanism 22, the revolving cylinder 221 is arranged to alternate the positions of the first tensioning assembly 211 and the second tensioning assembly 212 every 180 degrees.
Further provided, referring to fig. 2 and 3, the first tensioning assembly 211 includes a second cylinder 2111, a first taper sleeve 2112, a second taper sleeve 2113, and a first resilient tab 2114. The first elastic piece 2114 is used for sleeving the bobbin 7. The first taper sleeve 2112 is fixedly arranged on the bracket 222. An output shaft of the second cylinder 2111 penetrates through the first taper sleeve 2112. The second taper sleeve 2113 is fixedly connected with an output shaft of the second cylinder 2111. The first taper sleeve 2112 and the second taper sleeve 2113 are disposed opposite to each other at the end having a smaller diameter. One end of the first elastic piece 2114 is fixedly connected to the first taper sleeve 2112, and the other end of the first elastic piece abuts against the second taper sleeve 2113, wherein the second cylinder 2111 is disposed on the bracket 222, and the output shaft can drive the second taper sleeve 2113 to displace. When the bobbin 7 needs to be mounted outside the first elastic piece 2114, the second cylinder 2111 may be extended to make the free end of the first elastic piece 2114 separate from and abut against the second taper sleeve 2113, then the bobbin 7 is sleeved outside the first elastic piece 2114, then the second cylinder 2111 is retracted to make the second taper sleeve 2113 support the free end of the first elastic piece 2114, so that the first elastic piece 2114 is expanded outwards, so that the first elastic piece 2114 abuts against the inner wall of the bobbin 7 to achieve the effect of tensioning the bobbin 7, and the bobbin 7 is fixed on the first elastic piece 2114. When the bobbin 7 is removed from the first resilient tab 2114, the second cylinder 2111 may be extended to disengage the free end of the first resilient tab 2114 from abutting the second tapered sleeve 2113, and the bobbin 7 may then be removed from the first resilient tab 2114.
Further provided, referring to fig. 2 and 3, the second tensioning assembly 212 includes a third cylinder 2121, a third cone 2122, a fourth cone 2123, and a second resilient sheet 2124. The second elastic sheet 2124 is used for sleeving the bobbin 7. The third cone 2122 is fixedly disposed on the bracket 222. An output shaft of the third cylinder 2121 penetrates through the third taper sleeve 2122; the fourth taper sleeve 2123 is fixedly connected with an output shaft of the third cylinder 2121. The smaller diameter ends of third and fourth sleeves 2122 and 2123 are disposed opposite to each other. One end of the second elastic sheet 2124 is fixedly connected to the third taper sleeve 2122, and the other end abuts against the fourth taper sleeve 2123. Wherein, the third cylinder 2121 is disposed on the bracket 222, and the output shaft can drive the fourth taper sleeve 2123 to displace. When the bobbin 7 needs to be mounted outside the second elastic sheet 2124, the third cylinder 2121 may be extended to make the free end of the second elastic sheet 2124 separate from and abut against the fourth taper sleeve 2123, and then the bobbin 7 is sleeved outside the second elastic sheet 2124, and then the third cylinder 2121 is retracted to make the fourth taper sleeve 2123 support the free end of the second elastic sheet 2124, so that the second elastic sheet 2124 is extended outward to make the second elastic sheet 2124 abut against the inner wall of the bobbin 7 to achieve the effect of tensioning the bobbin 7, so that the bobbin 7 is fixed on the second elastic sheet 2124. When the bobbin 7 is removed from the second resilient tab 2124, the third cylinder 2121 may be extended to disengage the free end of the second resilient tab 2124 from abutting the fourth cone 2123, and the bobbin 7 may then be removed from the second resilient tab 2124.
In addition, the thread trimming device is located directly below the second gap for the conventional electric jaw 33.
The working process is as follows: the bobbin 7 is taken out of the skip car by an external robot and then placed on the first tensioning assembly 211, then the rotary cylinder is set to rotate 180 degrees at a time, the bracket 222 is driven to rotate by the rotary cylinder 221, so that the positions of the first tensioning assembly 211 and the second tensioning assembly 212 are interchanged, and at this time, the external robot can place the bobbin 7 on the second tensioning assembly 211. The yarn on the bobbin 7 of the first tensioning assembly 211 is sucked into the funnel 34 by the vacuum generator, and the vacuum generator continuously sucks, the yarn below the clamping jaw 33 is cut off and falls into the external collecting box, the yarn above the clamping jaw 33 is clamped by the clamping jaw 33, the clamping jaw 33 drives the yarn to reach the first gap and the second gap, the clamping jaw 33 leaves the first gap and the second gap, the first roller assembly 43 slides along the first sliding rail 45, the second roller assembly 44 slides along the second sliding rail 46, the first gap is reduced, so that the first roller assembly 43 and the second roller assembly 44 clamp the yarn, the first servo motor 41 and the second servo motor 42 synchronously drive the first roller assembly 43 and the second roller assembly 44 to rotate, so that the length of the yarn passing through the first gap is related to the rotating distance of the first roller, and the length of the yarn passing through the first gap can be determined according to the rotating distance of the first servo motor 41 and the second servo motor 42 And when the yarn reaches the preset length, the yarn is cut off by the yarn cutting device and falls into the weighing device 6 for weighing.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. A yarn weighing device is characterized by comprising a frame; the machine frame is provided with a mounting device for mounting a bobbin, a conveying device for conveying the yarn on the bobbin from the mounting device to a measuring device, the measuring device for measuring the length of the yarn, a yarn shearing device for shearing the yarn output from the measuring device, and a weighing device for measuring the yarn output by the yarn shearing device.
2. The bobbin hectometer weighing apparatus of claim 1, wherein the mounting device comprises a tensioning mechanism for mounting the bobbin, and a swing mechanism for driving the tensioning mechanism to rotate; the slewing mechanism is arranged on the machine frame; the tensioning mechanism is arranged on the slewing mechanism.
3. The yarn weighing apparatus of claim 2, wherein the swing mechanism includes a rotating cylinder and a bracket; the rotary cylinder is arranged on the frame; the bracket is arranged on a rotating shaft of the rotating cylinder; the tensioning mechanism is arranged on the bracket.
4. The yarn weighing apparatus of claim 3, wherein the transport device comprises an X-axis slide, a first cylinder, a jaw for gripping the yarn; the X-axis slide rail is arranged on the rack; the first cylinder is connected with the X-axis slide rail in a sliding manner; the clamping jaw is fixedly connected with an output shaft of the first cylinder.
5. The yarn weighing apparatus of claim 3, wherein the transport device further comprises a funnel, and a vacuum generator; the funnel is arranged on the frame and is positioned at the rear end of the tensioning mechanism; the vacuum generator is connected with the funnel.
6. The yarn weighing apparatus of claim 1, wherein the measuring device comprises a first servo motor, a second servo motor, a first roller assembly, a second roller assembly, a first slide rail, a second slide rail; the first sliding rail and the second sliding rail are both arranged on the rack; the first roller wheel assembly is connected with the first sliding rail in a sliding manner; the second roller assembly is movably connected with the second sliding rail; the first servo motor is in transmission connection with the first roller; the second servo motor is in transmission connection with the second roller; a first gap for the yarn to pass through is arranged between the first roller and the second roller.
7. The yarn weighing apparatus of claim 6, wherein the measuring device comprises a third servo motor, a fourth servo motor, a third roller assembly, a fourth roller assembly, a third slide rail, a fourth slide rail; the third slide rail and the fourth slide rail are both arranged on the rack; the third roller assembly is connected with the third sliding rail in a sliding manner; the fourth roller wheel assembly is movably connected with the fourth sliding rail; the third servo motor is in transmission connection with the third roller; the fourth servo motor is in transmission connection with the fourth roller; a second gap for the yarn to pass through is arranged between the third roller and the fourth roller; the second gap is located below the first gap.
8. A yarn weighing apparatus as in claim 3 wherein the tensioning mechanism comprises first and second tensioning assemblies for mounting the bobbins; the first tensioning assembly and the second tensioning assembly are symmetrically arranged.
9. The yarn weighing apparatus of claim 8, wherein the first tensioning assembly comprises a second cylinder, a first taper sleeve, a second taper sleeve and a first spring plate; the first taper sleeve is fixedly arranged on the bracket; an output shaft of the second cylinder penetrates through the first taper sleeve; the second taper sleeve is fixedly connected with an output shaft of the second cylinder; one end of the first elastic sheet is fixedly connected with the first taper sleeve, and the other end of the first elastic sheet is abutted against the second taper sleeve.
10. The yarn weighing apparatus of claim 8 or 9, wherein the second tensioning assembly comprises a third cylinder, a third taper sleeve, a fourth taper sleeve and a second spring plate; the third taper sleeve is fixedly arranged on the bracket; an output shaft of the third cylinder penetrates through the third taper sleeve; the fourth taper sleeve is fixedly connected with an output shaft of the third cylinder; one end of the second elastic sheet is fixedly connected with the third taper sleeve, and the other end of the second elastic sheet is abutted against the fourth taper sleeve.
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CN113091860B CN113091860B (en) | 2022-11-25 |
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