CN111020751B - Equipment for producing modified polypropylene short-cut engineering fiber - Google Patents
Equipment for producing modified polypropylene short-cut engineering fiber Download PDFInfo
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- CN111020751B CN111020751B CN201911301316.3A CN201911301316A CN111020751B CN 111020751 B CN111020751 B CN 111020751B CN 201911301316 A CN201911301316 A CN 201911301316A CN 111020751 B CN111020751 B CN 111020751B
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- pressing plate
- wheel
- crawler
- driving wheel
- fibers
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G1/00—Severing continuous filaments or long fibres, e.g. stapling
- D01G1/02—Severing continuous filaments or long fibres, e.g. stapling to form staple fibres not delivered in strand form
- D01G1/04—Severing continuous filaments or long fibres, e.g. stapling to form staple fibres not delivered in strand form by cutting
Abstract
The invention discloses equipment for producing modified polypropylene chopped engineering fibers, which structurally comprises an electric cabinet, a motor, an output crawler, a main cabinet and an input groove, wherein the main cabinet is internally provided with the output crawler and the input groove, the signal end of the main cabinet is electrically connected with the signal end of the electric cabinet, the motor is controlled by the electric cabinet, and the input groove is internally provided with a conveying crawler. The pressing plate is pressed on the fibers after being dispersed, so that the output crawler belt can not fly in a working environment when sending out the monofilament fibers.
Description
Technical Field
The invention relates to the technical field of engineering fiber production, in particular to equipment for producing modified polypropylene chopped engineering fiber.
Background
The polypropylene fiber is also called as PP fiber for short, polypropylene fiber, also called as concrete and mortar anti-crack synthetic fiber in engineering, the polypropylene fiber for improving the performance of concrete mainly comprises two types of bundled monofilament polypropylene fiber and reticular polypropylene fiber, the two types of polypropylene fiber have the length of 6-50mm, the tensile strength which can be born is greatly different due to different shapes and fineness, other physical properties are basically the same, the polypropylene raw material for producing the fiber is regular crystalline polymer which is milky white, odorless, tasteless and nontoxic thermoplastic plastic, and the bundled monofilament polypropylene fiber is prepared by adopting modified polypropylene slices through the working procedures of blending, spinning, stretching, shaping, chopping and the like; the reticular polypropylene fiber is prepared by polypropylene granules through the processes of extrusion, stretching, netting, shaping, surface treatment, short cutting and the like, the bundled monofilament polypropylene fiber is subjected to stretching, bundling and shaping and then is subjected to short cutting, in the short cutting process, the two ends of the fiber are clamped firstly, then the fiber is cut off by utilizing the rapid movement of a cutter, the tensile stress at the two ends is large during clamping, the stress is released after cutting, short fibers with bilateral notches are broken off, a part of silk threads are scattered on a conveyor belt, the scattered monofilament fiber is light and thin, and the monofilament fiber is easy to fly in the environment in the conveying process of the conveyor belt.
Disclosure of Invention
The invention aims to provide equipment for producing modified polypropylene chopped engineering fibers, which is used for solving the technical problems that in a chopping process, two ends of the fibers are clamped firstly, then the fibers are cut off by utilizing the quick motion of a cutter, the tensile stress at the two ends is large during clamping, the stress is released after cutting off, short fibers with bilateral notches are broken off, silk threads are loosened on a conveyor belt, monofilament fibers are light and thin, and the monofilament fibers are easy to fly in the environment in the conveying belt delivery process.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an equipment for producing short engineering fibre of modified polypropylene, its structure includes electric cabinet, motor, output track, mainframe box, input groove, be provided with output track and input groove in the mainframe box, the signal end of mainframe box adopts electric connection with the signal end of electric cabinet, the motor is controlled by the electric cabinet, the input inslot is equipped with the transfer track, the cooperation of output track has a conveyer belt, and this conveyer belt is by motor drive, inside constitution of mainframe box has short sword, input pulley, slide, pushing and pressing mechanism, the upper end of conveyer belt is located to short sword, the input pulley is equipped with two transmission transfer tracks, the inside top that the output track is located the mainframe box is located to the slide, and pushing and pressing mechanism clearance fit is on the slide.
Preferably, the pushing mechanism comprises a driving wheel, a pressing roller and a pressing plate, the driving wheel and the pressing roller are distributed up and down, the driving wheel is matched with the slideway, and the pressing plate is mechanically connected to the pressing roller.
Preferably, the pressure roller is provided with a sector cavity, a guide wheel, a swing rod and a driven wheel, the shaft core of the driven wheel is in running fit with the swing rod, one end of the swing rod, far away from the driven wheel, is mechanically connected with the guide wheel, and the guide wheel is connected with the pressure plate through the sector cavity.
Preferably, the driving wheel is vertically connected with the driven wheel.
Preferably, the arc-shaped edge of the sector cavity is provided with a sliding groove in sliding fit with the guide wheel.
Preferably, the pressure plate is of a convex structure, one end of the pressure plate is inserted and embedded in the opening of the sector cavity and swings along the arc-shaped edge of the sector cavity within the range of 30-180 degrees of the pressure roller.
Preferably, the pressing plate is internally provided with two slots, iron balls, traction strips and anti-collision pads, the iron balls are arranged in the slots, the traction strips are welded on the iron balls, and the anti-collision pads are fixed on two sides of the slots.
Preferably, the iron ball is solid, and one surface of each iron ball, which is opposite to the corresponding surface of the corresponding groove, is provided with an opening for transversely penetrating the traction strip.
Preferably, the iron balls in the grooves at different positions are transversely connected by a traction strip, and the traction strip is attached to the convex pressing surface of the pressing plate and is matched with the iron balls to horizontally slide along the pressing plate.
Preferably, the traction strip is of a right-angled trapezoid structure, one end of the inclined surface is in direct contact with the pressing plate, and the traction strip and the pressing plate are tightly attached to each other, so that monofilament fibers attached to the pressing plate are scraped off more effectively.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the pushing mechanism is arranged at the joint position of the feeding and the discharging, the pushing mechanism is matched on the slide way, the roller is pressed downwards along the arc surface of the slide way to contact with the chopped fibers on the output track, and the slide way has the function of height adjustment of the joint position of the arc surface and the horizontal plane, so that the distance between the pressing roller and the monofilament fibers is reduced, the chopped engineering fibers are evenly smoothed out on the output track when the pressing roller is pushed forwards in an inclined manner, the rubbing-out process during the later mixing of the engineering fibers and concrete is reduced, the pressing plate is pressed on the smoothed-out fibers, the monofilament fibers are not blown up in the working environment when the output track sends out the monofilament fibers, and the problems of environmental pollution and insufficient material utilization are avoided.
2. The driving wheel realizes the effective operation of the pushing mechanism by utilizing the driven wheel connected with the driving wheel, wherein the pressing roller wheel and the driven wheel are coaxially arranged, when the pushing mechanism slides down along the slide way and the pressing roller wheel and the driven wheel synchronously rotate, the pressing plate swings clockwise along the fan-shaped cavity until the horizontal plane of the bottom of the pressing plate is tangent to the pressing roller wheel, and when the bottoms on the two sides are positioned on the same horizontal plane, the fan-shaped cavity keeps the rotating angle of the pressing plate, thereby realizing the effective pressing of the pressing plate on fibers.
3. The pressing plate is internally provided with the open slot, the iron ball and the traction strip, and when the pressing plate presses monofilament fibers, the fibers are thin and light, so that the situation that the fibers are attached to the pressing plate can be avoided due to unavoidable contact, and at the moment, the pressing plate with the swinging function pulls the traction strip in the process that the iron ball horizontally moves along the open slot during rotation, and the fibers attached to the bottom of the pressing plate are scraped by the traction strip.
4. The pressing plate is of a convex structure, the protruding end is a pressing surface, and the traction strip pulled out towards the opening is attached to the pressing surface more compactly, so that the scraping effectiveness is further improved.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for producing a modified polypropylene chopped engineering fiber according to the present invention.
Fig. 2 is a schematic view of the internal structure of the present invention.
Fig. 3 is a schematic structural diagram of the working principle of the pushing mechanism of the present invention.
Fig. 4 is a schematic perspective view of the pushing structure of the present invention.
FIG. 5 is a schematic view of the bottom structure of the press plate of the present invention.
FIG. 6 is a schematic diagram of the structure of the right side of the platen according to the present invention.
In the figure: the device comprises an electric cabinet-1, a motor-2, an output crawler-3, a main cabinet-4, an input groove-5, a conveying crawler-51, a conveying belt wheel-31, a chopping knife-41, an input belt wheel-42, a slideway-43, a pushing mechanism-44, a driving wheel-44 a, a press roller-44 b, a press plate-44 c, a sector cavity-b 1, a guide wheel-b 2, a swing rod-b 3, a driven wheel-b 4, a driving wheel-a 1, a slotting-c 1, an iron ball-c 2, a traction strip-c 3 and an anti-collision pad-c 4.
Detailed Description
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on or indirectly connected to the other element, and when an element is referred to as being "connected to" the other element, it can be directly connected to or indirectly connected to the other element.
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
As shown in fig. 1-5, the present invention provides an apparatus for producing modified polypropylene chopped engineering fiber, which structurally comprises an electric cabinet 1, a motor 2, an output crawler 3, a main cabinet 4 and an input slot 5, wherein the main cabinet 4 is provided with the output crawler 3 and the input slot 5, a signal end of the main cabinet 4 is electrically connected with a signal end of the electric cabinet 1, the motor 2 is controlled by the electric cabinet 1, the input slot 5 is internally provided with a transmission crawler 51, the output crawler 3 is matched with a transmission belt pulley 31, the transmission belt pulley 31 is driven by the motor 2, the main cabinet 4 is internally provided with a chopping knife 41, an input belt pulley 42, a slideway 43 and a pushing mechanism 44, the chopping knife 41 is arranged at the upper end of the transmission crawler 51, the input belt pulley 42 is provided with two transmission crawler 51, the slideway 43 is arranged above the output crawler 3 and is positioned inside the main cabinet 4, the pushing mechanism 44 is movably matched on the slideway 43, the pushing mechanism 44 comprises a driving wheel 44a, a pressing roller 44b and a pressing plate 44c, the driving wheel 44a and the pressing roller 44b are distributed up and down, the driving wheel 44a is matched with the slideway 43, the pressing roller 44b is mechanically connected with the pressing plate 44c, the pressing roller 44b is provided with a sector cavity b1, a guide wheel b2, a swing rod b3 and a driven wheel b4, a shaft core of the driven wheel b4 is in rotating fit with the swing rod b3, one end of the swing rod b3 far away from the driven wheel b4 is mechanically connected with the guide wheel b2, the guide wheel b2 is connected with the pressing plate 44c through the sector cavity b1, the driving wheel a1 vertically connected with the driven wheel b4 is arranged in the driving wheel 44a, a chute in sliding fit with the guide wheel b2 is arranged on the arc-shaped edge of the sector cavity b1, and when the pressing roller is pushed obliquely, chopped engineering fibers are evenly smoothed on the output crawler belt, the pressing plate is pressed on the fibers after being dispersed, so that the output crawler belt can not fly in a working environment when sending out the monofilament fibers.
Example 2
As shown in fig. 5-6, based on embodiment 1, the pressing plate 44c is of a convex structure, one end of the pressing plate 44c is inserted into an opening of the sector cavity b1 and swings along an arc-shaped edge of the sector cavity b1 within a range of 30 ° -180 ° of the pressure roller 44b, the pressing plate 44c is provided inside with two slots c1, an iron ball c2, a pulling bar c3 and a crash pad c4, the slot c1 is provided on left and right sides of the bottom of the pressing plate 44c, the slot c1 is provided inside with an iron ball c2, the iron ball c2 is welded with the pulling bar c3, the crash pad c4 is fixed on both sides of the slot c1, the iron ball c2 is solid, an opening for transversely penetrating through the pulling bar c3 is provided on an opposite side of the slot c1, and an idler pulley and a rocker provided on the pressing plate are matched with each other pulleys, when the driving wheel drives the driven wheel to rotate clockwise, the pressing plate and the pressing roller are kept horizontal to realize the pressing and pushing functions; when taking place anticlockwise rotation from the driving wheel under the cooperation of action wheel, the clamp plate becomes the oblique angle by the level, utilizes this oblique angle, and when iron ball slided along the fluting under the action of gravity, can stimulate and pull the strip and strike off on the clamp plate protrusion laminating face, will attach the abundant striking off of fibre at the laminating face, guarantee fibrous make full use of.
The following describes the implementation of the apparatus for producing the modified polypropylene chopped engineering fiber provided by the present invention in detail:
after blending, spinning, stretching and shaping, as shown in fig. 2, the input pulley 42 is started, the conveying caterpillar 51 feeds the engineering fiber, the chopping knife 41 cuts the fiber, when the fiber is fed out (that is, when the cut fiber reaches the joint of the conveying caterpillar 51 and the output caterpillar 3), after the position signal is sensed by the sensor, the driving wheel 44a is started, the driving wheel a1 drives the driven wheel b4 to rotate clockwise, in the rotation, because the driven wheel b4 and the pressure roller 44b are coaxially installed, the guide wheel b2 connected with the swing rod b3 is passed through, in the series of transmissions, the guide wheel b2 swings along the arc-shaped cavity b1, the pressing plate 44c moves until the guide wheel b2 contacts the vertical line of the arc-shaped cavity b1, that is, the pressing roller 44b is 180 degrees, the movement stops, and the pressing plate 44c and the bottom surface of the pressure roller 44b are on a horizontal line;
when the driving wheel 44a moves downwards along the inclined surface of the slideway 43, the pressing roller 44b and the pressing plate 44c contact the cut fibers along with the continuous reduction of the gap between the driving wheel and the output crawler 3, the fibers are uniformly pushed and pushed on the output crawler, and after a small part of the fibers which are gathered together are completely pushed and dispersed, the pressing plate 44c still keeps the pressing state with the fibers until the fibers are separated from the position of the output crawler 3, so that the phenomenon that the fibers are arbitrarily raised due to wind power when being sent out can be avoided;
after one feeding process is finished, the driving wheel 44a rotates reversely, at this time, the driving wheel a1 drives the driven wheel b4 to rotate anticlockwise, the guide wheel b2 moves synchronously, at this time, the pressing plate 44c is in an oblique upward angle, in the process, the iron ball c2 positioned at the bottom of the pressing plate 44c slides along the groove c1 under the action of gravity, so that the connected traction strip c3 is driven to scrape the convex pressing surface of the pressing plate 44c, and fibers are scraped down to the output crawler 3;
since the fiber is continuously fed and discharged, when a second feeding step is required after the first feeding step is completed, the pressing mechanism 44 moves to a half of the chute 43 (i.e., a position where the conveying crawler 51 and the output crawler 3 are connected) to perform the continuous chopping operation.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (1)
1. A equipment for producing short engineering fiber of modified polypropylene cut characterized in that: the structure of the device comprises an electric cabinet (1), a motor (2), an output crawler (3), a mainframe box (4) and an input groove (5), wherein the output crawler (3) and the input groove (5) are arranged in the mainframe box (4), a signal end of the mainframe box (4) is electrically connected with a signal end of the electric cabinet (1), the motor (2) is controlled by the electric cabinet (1), a conveying crawler (51) is arranged in the input groove (5), the output crawler (3) is matched with a conveying belt wheel (31), the conveying belt wheel (31) is driven by the motor (2), a short cutter (41), an input belt wheel (42), a slide way (43) and a pushing mechanism (44) are formed inside the mainframe box (4), the short cutter (41) is arranged at the upper end of the conveying crawler (51), the input belt wheel (42) is provided with two transmission wheels matched with the conveying crawler (51), the slideway (43) is arranged on the output crawler (3) and positioned above the inner part of the mainframe box (4), and the pushing mechanism (44) is movably matched on the slideway (43);
the pushing mechanism (44) comprises a driving wheel (44a), a press roller (44b) and a pressing plate (44c), the driving wheel (44a) and the press roller (44b) are distributed up and down, the driving wheel (44a) is matched with the slide way (43), and the pressing plate (44c) is mechanically connected onto the press roller (44 b);
the press roller (44b) is provided with a sector cavity (b1), a guide wheel (b2), a swing rod (b3) and a driven wheel (b4), the shaft core of the driven wheel (b4) is in rotating fit with the swing rod (b3), one end, far away from the driven wheel (b4), of the swing rod (b3) is mechanically connected with the guide wheel (b2), and the guide wheel (b2) is connected with a pressing plate (44c) through the sector cavity (b 1);
a driving wheel (a1) vertically connected with a driven wheel (b4) is arranged in the driving wheel (44 a);
the arc edge of the sector cavity (b1) is provided with a sliding groove which is in sliding fit with the guide wheel (b 2);
the pressing plate (44c) is of a convex structure, one end of the pressing plate (44c) is inserted into the opening of the fan-shaped cavity (b1) and swings along the arc-shaped edge of the fan-shaped cavity (b1), and the swinging range is 30-180 degrees of the pressing roller (44 b);
the iron ball traction mechanism is characterized in that two slots (c1), iron balls (c2), traction strips (c3) and anti-collision pads (c4) are arranged in the pressing plate (44c), the left side and the right side of the bottom of the pressing plate (44c) are chiseled in the two slots (c1), the iron balls (c2) are arranged in the slot (c1), the traction strips (c3) are welded on the iron balls (c2), and the anti-collision pads (c4) are fixed on the two sides of the interior of the slot (c 1);
the iron ball (c2) is solid, and an opening used for transversely penetrating through the traction strip (c3) is formed in the opposite surface of the slot (c 1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911301316.3A CN111020751B (en) | 2019-12-17 | 2019-12-17 | Equipment for producing modified polypropylene short-cut engineering fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911301316.3A CN111020751B (en) | 2019-12-17 | 2019-12-17 | Equipment for producing modified polypropylene short-cut engineering fiber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111020751A CN111020751A (en) | 2020-04-17 |
| CN111020751B true CN111020751B (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911301316.3A Active CN111020751B (en) | 2019-12-17 | 2019-12-17 | Equipment for producing modified polypropylene short-cut engineering fiber |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202010017319U1 (en) * | 2010-04-28 | 2011-10-05 | Schmidt & Heinzmann Gmbh & Co. Kg | Fiber cutter |
| CN204080218U (en) * | 2014-10-21 | 2015-01-07 | 慈溪市亚太化纤线业有限公司 | Fibre cutting machine |
| WO2016170674A1 (en) * | 2015-04-24 | 2016-10-27 | 三菱電機株式会社 | Method and device for cutting fiber aggregate, vacuum insulation material, and refrigerator |
| CN208104614U (en) * | 2018-04-09 | 2018-11-16 | 铜陵市同芯电子科技有限公司 | A kind of chopping apparatus for Zirconium oxide fibre |
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2019
- 2019-12-17 CN CN201911301316.3A patent/CN111020751B/en active Active
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| CN111020751A (en) | 2020-04-17 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20211229 Address after: 238299 No. 7, Shuangqiao Hexi Road, he County Economic Development Zone, Ma'anshan City, Anhui Province Applicant after: Anhui Weilong New Material Technology Co.,Ltd. Address before: No. 3501, Institute of science and technology, Xincheng University, Jinan, Shandong Province Applicant before: Zhang Tingting |
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Denomination of invention: A kind of equipment for producing modified polypropylene chopped engineering fiber Effective date of registration: 20221118 Granted publication date: 20220201 Pledgee: Ma'anshan branch of Bank of China Ltd. Pledgor: Anhui Weilong New Material Technology Co.,Ltd. Registration number: Y2022980022476 |
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