CN121292806A - A mechanical automated cutting device for glass manufacturing - Google Patents
A mechanical automated cutting device for glass manufacturingInfo
- Publication number
- CN121292806A CN121292806A CN202511865074.6A CN202511865074A CN121292806A CN 121292806 A CN121292806 A CN 121292806A CN 202511865074 A CN202511865074 A CN 202511865074A CN 121292806 A CN121292806 A CN 121292806A
- Authority
- CN
- China
- Prior art keywords
- pressure
- arc wall
- air
- slit
- cutting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/10—Non-chemical treatment
- C03B37/16—Cutting or severing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/01—Means for holding or positioning work
- B26D7/018—Holding the work by suction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/18—Means for removing cut-out material or waste
- B26D7/1845—Means for removing cut-out material or waste by non mechanical means
- B26D7/1863—Means for removing cut-out material or waste by non mechanical means by suction
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a mechanical automatic cutting device for glass manufacturing, which relates to the technical field of glass cutting and comprises a main shaft arranged on a cutting frame and a cutter head rotatably arranged at the bottom of the main shaft, baffle plates symmetrically arranged at two sides of a cutting path of the cutter head, the bottom end of the baffle plates is higher than the bottom end of the cutter head, an arc-shaped slit arranged in the baffle plates, and the air outlet end of the arc-shaped slit is bent towards the cutting path to form a high-pressure air curtain obliquely blowing to the surface of glass fibers. According to the invention, through the arc-shaped slits, the pressure collecting part and the outflow part, the fluid pressure generated by the inclined high-pressure air curtain is utilized to carry out non-contact compaction, so that a compaction blind area caused by mechanical contact is radically avoided, the air curtain pressure uniformly acts on a cutting area, any stress concentration or physical damage is not generated, and the cutting quality is effectively improved.
Description
Technical Field
The invention relates to the technical field of glass cutting, in particular to a mechanical automatic cutting device for glass manufacturing.
Background
Glass fiber is a thin glass product with high hardness, and when glass fiber sheets are cut, the glass fiber sheets are easy to locally warp under cutting stress due to the high hardness, so that cutting paths deviate and the glass fiber sheets are misaligned in size. In the prior art, a mechanical presser foot is usually adopted, rigid components such as a pressing frame and the like are directly contacted with and pressed against materials, the pressure of the presser foot is concentrated in a local part, so that an indentation, micro-crack or resin layer damage can occur on a glass fiber board, and the presser foot must avoid a movement path of a cutting head, so that a pressing blind area exists around the cutting head, and the area is most prone to edge warping.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides a mechanical automatic cutting device for glass manufacturing.
In order to achieve the above object, the technical scheme of the present invention is as follows:
a mechanical automated cutting apparatus for glass manufacturing, comprising:
a main shaft arranged on the cutter frame and a cutter head rotatably arranged at the bottom of the main shaft;
Baffle plates symmetrically arranged at two sides of the cutting path of the cutter head, the bottom end of the cutter head is higher than the bottom end of the cutter head;
the arc-shaped slit is formed in the baffle, and the air outlet end of the arc-shaped slit bends towards the cutting path to form a high-pressure air curtain which is obliquely blown to the surface of the glass fiber;
A flow field balancing unit disposed between an outer arc wall high pressure region and an inner arc wall low pressure region of an arc slit, comprising:
the pressure collecting part is arranged in the high-pressure area of the outer arc wall and is used for collecting local high-pressure air flow in the high-pressure area of the outer arc wall;
The outflow part is a tapered slit, the outflow direction of the outflow part is inclined and tangential to the surface of the inner arc wall, so that high-pressure air flow collected at the outer arc wall is converted into high-speed injection flow emitted by the inner arc wall, and the high-speed injection flow is used for balancing the pressure difference between the inner arc wall and the outer arc wall of the arc slit to inhibit generation of internal vortex.
Preferably, the high-pressure area of the outer arc wall is positioned in the central area of the outer arc wall with the bending angle of 30-60 degrees of the arc-shaped slit, and the low-pressure area of the inner arc wall is positioned in the central area of the inner arc wall with the bending angle of 45-75 degrees of the arc-shaped slit.
Preferably, the included angle between the outflow direction of the outflow part and the tangential direction of the inner arc wall is 0-15 degrees.
Preferably, the ratio of the bending radius of the arc-shaped slit to the width of the slit ranges from 5 to 20.
Preferably, a pressure box is communicated between the pressure collecting and pressing part and the outflow part, a pressure plate is elastically arranged inside the pressure box, and a pressure stabilizing cavity communicated with the air outlet of the pressure collecting and pressing part is arranged at the top of the pressure plate.
Preferably, the pressure plate is provided with a communication channel, and an air inlet of the communication channel is communicated with the pressure stabilizing cavity.
Preferably, the high-pressure air flow collected by the pressure collecting part enters the pressure stabilizing cavity, and the pressure inside the pressure stabilizing cavity is increased to elastically compress the pressure plate to a preset position, so that the air outlet of the communication channel is communicated with the air inlet of the outflow part.
Preferably, the main shaft is provided with a dust collecting box, the bottom of the dust collecting box is provided with a dust collecting cover, and a suction inlet of the dust collecting cover is opposite to a hedging convergence area formed on the surface of the glass fiber by high-pressure air curtains on two sides of the cutting path.
Preferably, a filter cavity is formed in the chip collecting box, and a suction pump is arranged at the top of the inside of the chip collecting box.
Preferably, the air inlet of the suction pump is communicated with the filter cavity, and the air outlet of the suction pump is communicated with the air inlet of the arc-shaped slit to form a circulating air path.
Compared with the prior art, the invention has the beneficial effects that:
The invention introduces high-pressure air flow into the air curtain slit arranged in the baffle plate at two sides of the cutting path through the air source, the high-pressure air flow firstly enters the vertical slit of the air curtain slit, then flows into the arc slit arranged at the air outlet port of the vertical slit, is guided by the arc slit to be sprayed to the surface of the glass fiber board towards the cutting path, converts the high-pressure air flow collected at the outer arc wall into high-speed injection flow emitted by the inner arc wall through the pressure collecting part and the outflow part, the high-speed injection flow is used for balancing the pressure difference between the inner arc wall and the outer arc wall of the arc slit to form a stable high-pressure air curtain so as to inhibit the generation of internal vortex, and compresses the glass fiber board in the cutting area of the cutter head on the workbench through the high-pressure air curtain, therefore, the warping of the cutting edge of the glass fiber board in the cutting area during cutting is effectively prevented, and meanwhile, when the inclined high-pressure air curtain is in contact with the surface of the glass fiber board, the high-pressure air curtain flows towards the center of the cutting path along the surface of the glass fiber board, so that air between the glass fiber board and the workbench is discharged through a cutting gap through air flow flowing along the surface of the glass fiber board, the glass fiber board is more attached to the surface of the workbench, the edge warping of the cutting edge is further prevented, the fluid pressure generated by the inclined high-pressure air curtain is utilized for non-contact compaction, a compaction blind area caused by mechanical contact is fundamentally avoided, the air curtain pressure is uniformly acted on the cutting area, any stress concentration or physical damage cannot be generated, and the cutting quality is effectively improved.
Drawings
The disclosure of the present invention is described with reference to the accompanying drawings. It should be understood that the drawings are for purposes of illustration only and are not intended to limit the scope of the present invention in which like reference numerals are used to designate like parts. Wherein:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a top perspective view of the spindle of the present invention;
FIG. 3 is a bottom perspective view of the spindle of the present invention;
FIG. 4 is a schematic side sectional view of the present invention;
fig. 5 is an enlarged schematic view of the structure of fig. 4 a according to the present invention.
Fig. 6 is an enlarged schematic view of the structure of fig. 5C according to the present invention.
Fig. 7 is an enlarged schematic view of the structure of fig. 5D according to the present invention.
Fig. 8 is a schematic diagram of a variation structure at D in the present invention.
Fig. 9 is an enlarged schematic view of the structure at B of fig. 4 according to the present invention.
Fig. 10 is a schematic diagram of a front cross-sectional structure of the present invention.
Fig. 11 is an enlarged schematic view of the structure at E of fig. 9 according to the present invention.
Fig. 12 is an enlarged schematic view of the structure at F of fig. 9 in accordance with the present invention.
The figure is marked with the specification of 1, a main shaft, 2, a baffle, 3, a chip collecting box, 4, a pressure box, 5, a cutter head, 6, a dust collecting cover, 7, a first air passage, 8, an air curtain slit, 9, a second air passage, 10, a third air passage, 11, a first pressure cavity, 12, an air outlet slit, 13, a gas collecting cavity, 14, a pressure collecting slit, 15, a pressure plate, 16, a communication passage, 17 and a fourth air passage.
Detailed Description
It is to be understood that, according to the technical solution of the present invention, those skilled in the art may propose various alternative structural modes and implementation modes without changing the true spirit of the present invention. Accordingly, the following detailed description and drawings are merely illustrative of the invention and are not intended to be exhaustive or to limit the invention to the precise form disclosed.
As shown in fig. 1-12, a mechanical automated cutting apparatus for glass manufacturing comprises:
a main shaft 1 provided on a cutter frame and a cutter head 5 rotatably provided at the bottom of the main shaft 1;
Baffle plates 2 symmetrically arranged on two sides of the cutting path of the cutter head 5, and the bottom end of the baffle plates is higher than the bottom end of the cutter head 5;
The arc slit is arranged in the baffle plate 2, and the air outlet end of the arc slit bends towards the cutting path to form a high-pressure air curtain which is obliquely blown to the surface of the glass fiber;
A flow field balancing unit disposed between an outer arc wall high pressure region and an inner arc wall low pressure region of an arc slit, comprising:
the pressure collecting part is arranged in the high-pressure area of the outer arc wall and is used for collecting local high-pressure air flow in the high-pressure area of the outer arc wall;
The outflow part is a tapered slit, the outflow direction of the outflow part is inclined and tangential to the surface of the inner arc wall, so that high-pressure air flow collected at the outer arc wall is converted into high-speed injection flow emitted by the inner arc wall, and the high-speed injection flow is used for balancing the pressure difference between the inner arc wall and the outer arc wall of the arc slit to inhibit the generation of internal vortex.
Specifically, because the prior art generally adopts mechanical presser feet, pressing frames and other rigid components to directly contact and press materials, the pressure of the presser feet is concentrated in a local part, which may cause the occurrence of indentation, microcrack or resin layer damage on a glass fiber board, and the presser feet must avoid the movement path of a cutting head, so that a pressing blind area exists around the cutting head, and the area is most prone to edge warping. The edge pressing effect can be effectively improved through the contactless high-pressure air curtain edge pressing, the pressing dead zone is avoided, and edge warping is effectively prevented. The method comprises the following steps:
The cutter motor at the top of the main shaft 1 drives the cutter shaft at the output end of the cutter motor to rotate, thereby driving the cutter head 5 at the tail end of the cutter shaft to rotate, and cutting the glass fiber board, in the cutting process, high-pressure air flow is introduced into the air curtain slit 8 formed in the baffle plate 2 at the two sides of the cutting path through the air source, the high-pressure air flow firstly enters the vertical slit of the air curtain slit 8, then passes through the arc slit communicated with the air outlet port of the vertical slit, and is obliquely sprayed to the surface of the glass fiber board towards the cutting path through the guide of the arc slit, so that the glass fiber board in the cutting area of the cutter head 5 is tightly pressed on the workbench through the high-pressure air curtain, and meanwhile, when the oblique high-pressure air curtain is contacted with the surface of the glass fiber board, the high-pressure air curtain flows towards the center of the cutting path along the surface of the glass fiber board, and air between the glass fiber board and the workbench is discharged through the cutting slit, so that the glass fiber board is more attached to the surface of the workbench through the cutting slit, the edge of the glass fiber board is further prevented, and the cut edge is tightly pressed towards the surface of the glass fiber board by utilizing the oblique high-pressure curtain, so that the fluid pressure generated in the non-contact compaction area is not influenced by the contact pressure curtain, and the cutting area is prevented from being uniformly or the contact pressure, and the cutting area is not influenced by the mechanical stress, and the cutting area is effectively, and the quality is prevented from being influenced.
It should be noted that the air source may be derived from the cooperation of the air compressor and the air storage tank, or may be a technical means known to those skilled in the art, such as a blower.
Further, because the arc slit is a curved flow channel, when fluid passes through the curved flow channel, under the action of centrifugal force, the fluid tends to move linearly due to inertia, but is restrained by the curved slit wall, so that the fluid is extruded to the wall surface of the outer arc wall of the arc slit, the wall surface pressure of the outer arc wall of the arc slit is high, the wall surface pressure of the inner arc wall is low, and the boundary layer fluid close to the outer arc wall and the inner arc wall is slower under the influence of fluid viscosity, is less influenced by centrifugal force, the high-speed fluid in the center of the arc slit is high in speed and large in kinetic energy and is influenced by centrifugal force, so that the high-speed fluid in the center of the arc slit is thrown to the outer arc wall under the influence of centrifugal force, the pressure of the outer arc wall is accumulated to form a high-pressure area, the fluid in the inner arc wall is pumped away to form a low-pressure area, so that the pressure difference from the outer arc wall to the inner arc wall is further increased, the outer side fluid flows to the inner side along the upper wall surface and the lower wall surface of the outer arc wall, the inner side of the inner side, the inner side fluid flows back from the center to the outer side, and the inner side is formed, and the vortex is influenced by the stability of the air curtain. The pressure difference is balanced by arranging the pressure collecting part and the outflow part which are mutually communicated on the outer arc wall and the inner arc wall respectively, so that the air curtain is stabilized. The method comprises the following steps:
The pressure collecting part is a plurality of pressure collecting slits 14 which are arranged in the high-pressure area of the outer arc wall and the extending direction of the pressure collecting slits is consistent with the bending direction of the arc slits, the outflow part is a plurality of air outlet slits 12 which are arranged in the low-pressure area of the inner arc wall, after the high-pressure air flow enters the arc slits, the high-pressure air flow is accumulated in the high-pressure area of the outer arc wall and enters the pressure collecting slits 14, as shown in figure 6, the pressure collecting slits 14 are tapered slit channels, the principle that the flow velocity at the large part of the cross section is small and the flow velocity at the small part of the cross section is large is followed, the high-pressure air flow enters the pressure collecting slits 14 and then is accelerated into a gas collecting cavity 13 which is communicated with the air outlet of the pressure collecting slits 14, the air flow collected by the pressure collecting slits 14 synchronously enters the gas collecting cavity 13, the air pressure in the pressure collecting slits 14 is quickly increased, the air is guided into a third air passage 10 through a communicating air passage, after entering the third air passage 10 and accelerating, the gas enters a first pressure cavity 11 communicated between the third air passage 10 and an air outlet slit 12, and is shunted into a plurality of air outlet slits 12 through the first pressure cavity 11, the air outlet slits 12 are tapered slit channels, the air flow is accelerated by the air outlet slits 12 to emit high-speed low-pressure induced jet from the inner arc wall, the induced jet is enabled to be arranged in a near tangential manner relative to the surface of the inner arc wall by inclining the outflow direction of the induced jet, so that the induced jet can not severely impact and interfere with the main air flow, but smoothly blend into the main air flow, the kinetic energy of the induced jet can be transmitted to a boundary layer with slower flow velocity of the inner arc wall most effectively, the induced jet is low in static pressure, the behavior of the injected main air flow can supplement air to the low-pressure area of the inner arc wall directly, the inner average static pressure is lifted to a certain extent, and the induced jet is enabled to flow at a low speed of the inner arc wall by high speed, the boundary layer fluid which is low in kinetic energy and is about to stagnate and separate from the wall surface is injected with new energy, so that the boundary layer which is about to separate originally is reactivated and can continuously flow close to the wall surface, thereby effectively inhibiting flow separation, and the pressure difference between the inner side and the outer side is directly reduced by improving the pressure and the speed of the inner side, thereby effectively inhibiting vortex generation, forming a stable high-pressure air curtain and further improving the edge-curling preventing effect.
Further, the stable and uniform high-pressure air curtain formed by the pressure collecting part and the outflow part can absorb the air flow emitted obliquely on the surface of the glass fiber plate under the action of the coanda effect, so that the energy of the air flow is ensured to be fully used for pushing and compacting along the surface of the glass fiber plate instead of being scattered into the air disorderly, the air flows which are tightly attached to the surface of the glass fiber plate and move in opposite directions on two sides of the cutter head 5 meet and form opposite directions at the cutting path area, and as the flowing directions are opposite, the air flows can not penetrate the opposite directions, part of kinetic energy of the air flow is converted into pressure energy at the intersection point, a local high-pressure area is formed at the intersection point, the high-pressure area generates stronger vertical downward compacting force to form an intangible pneumatic presser foot, and precisely acts on the cutting line area which needs to be compacted, thereby further effectively preventing the cutting edge from generating the edge tilting in the cutting process, and the only air flow paths which are intersected upwards flow under the pushing of the follow-up air flow, so that the cutting edge is effectively prevented from escaping from the cutting path, the cutting momentum is effectively influenced, the cutting chips are effectively prevented from being generated, and the cutting burrs are effectively inhibited, and the cutting chips are effectively prevented from being generated.
The high-pressure area of the outer arc wall is positioned in the central area of the outer arc wall with the bending angle of 30-60 degrees of the arc slit, and the low-pressure area of the inner arc wall is positioned in the central area of the inner arc wall with the bending angle of 45-75 degrees of the arc slit.
Specifically, the outer arc wall high pressure area is located in the outer arc wall central area with the arc slit bending angle of 30-60 degrees, the centrifugal effect is not completely established just after the air flow starts to turn at the inlet of the arc slit, the pressure is not raised to the highest value, the obtained power is insufficient, and before the outlet, the flow structure is possibly changed just before the flow passage ends, the pressure is possibly not the dominant effect of the simple centrifugal force, so the outer arc wall high pressure area is arranged in the outer arc wall central area with the arc slit bending angle of 30-60 degrees, the centrifugal effect fully develops and reaches a stable pressure peak platform area, the pressure collecting part is arranged at the position, the most concentrated, representative and stable high pressure air can be collected, and a reliable power source is provided for the subsequent flow field balance.
Further, the low pressure area of the inner arc wall is located in the central area of the inner arc wall with the arc slit bending angle of 45-75 degrees, because at 30 degrees, the flow separation on the inner side can start or not happen, the induced fluid is injected prematurely, the efficiency is low, the low pressure area of the inner arc wall is arranged in the central area of the inner arc wall with the arc slit bending angle of 45-75 degrees, which is a key area for flow separation and vortex development and aggravation, the separation area can be rapidly expanded, the intensity of the vortex is rapidly increased, the outflow part is arranged in the area, timely and effective intervention can be carried out before the vortex thoroughly bursts, separated fluid particles are pressed back to the wall surface again, and the generation of the vortex is prevented by using minimum energy.
The included angle between the outflow direction of the outflow part and the tangential direction of the inner arc wall is 0-15 degrees.
Specifically, the included angle between the outflow direction of the outflow part and the tangential direction of the inner arc wall is set within 0-15 degrees, so that the velocity direction of the induced jet is consistent with the direction of the main air flow, the induced jet can be smoothly attached to the surface of the inner wall and converged into the main air flow, the kinetic energy of the induced jet can be almost transmitted to the inner low-velocity boundary layer without loss due to the consistent direction, the injected energy is the strongest in separation resistance, the high-velocity induced jet can entrain the surrounding low-velocity fluid, namely the boundary layer, thereby generating a micro negative pressure area, further helping to pull the main air flow to the wall surface, strengthening attachment, 0-15 degrees can not generate transverse impact or obstruction to the main air flow, new and secondary vortex flows are not generated, necessary engineering tolerance is allowed, the main velocity component of the induced jet is consistent with the main air flow, even the tiny normal component of the induced jet can prevent separation, and the working efficiency of the flow balancing unit of the flow field can be always kept at the peak value within the boundary layer, so that the stability of the flow field balancing unit is further improved.
The ratio of the bending radius of the arc-shaped slit to the slit width is in the range of 5-20.
Specifically, the bending radius refers to the radius of a circle where the center line of the arc-shaped slit is located, the radius is larger, the curve is flatter, the radius is smaller, the curve is more rapid, the slit width refers to the constant distance between the inner arc wall and the outer arc wall of the slit, the ratio between the two is a dimensionless number, the bending intensity is measured relative to the width of the slit, and the ratio directly determines the flowing state, the energy loss and the air curtain quality of the air flow in the bending flow channel.
Further, when the ratio is smaller than 5, which means that the curve is very rapid, the air flow can impact the outer arc wall violently due to inertia, then the air flow is separated seriously in the inner arc wall, large-scale and high-energy vortex flows are generated, and the vortex flows consume a large amount of energy, so that the pressure of the outlet air curtain is insufficient, the speed is uneven and is extremely turbulent, the ratio is larger than or equal to 5 through setting the lowest lower limit, so that a sufficiently gentle turning path is provided for the air flow, the serious flow separation is restrained fundamentally, and a good precondition is created for the efficient operation of the flow field balancing unit.
Further, when the ratio is greater than 20, it means that the curve is very gentle, although the air flow is smooth, the excessively large bending radius can cause the size of the baffle 2, especially the length in the front-rear direction to be sharply increased, so that the whole baffle 2 becomes heavy, and the excessively gentle curve can cause insufficient change of the air flow direction, so that the directivity of the outflow air curtain is poor, the outflow air curtain cannot be accurately directed to the cutting path and form effective opposite flushing, the edge-lifting prevention and the debris guiding function of the core are weakened, the ratio is ensured to be less than or equal to 20 by limiting the highest upper limit value, and the accurate guiding capability of the air curtain is improved while ensuring the non-heavy performance of the whole baffle 2 while ensuring the flow field performance.
The pressure box 4 is communicated between the pressure collecting part and the outflow part, a pressure plate 15 is elastically arranged inside the pressure box 4, and a pressure stabilizing cavity communicated with the air outlet of the pressure collecting part is arranged at the top of the pressure plate 15.
Specifically, the pressure tank 4 and the gas collecting cavity 13 are communicated through the second air passage 9, the pressure tank 4 and the first pressure cavity 11 are communicated through the third air passage 10, the pressure plate 15 divides the internal space of the pressure tank 4 into two spaces, one is a pressure stabilizing cavity communicated with the second air passage 9, and the other is a compression cavity communicated with the air inlet of the third air passage 10.
The pressure plate 15 is provided with a communication channel 16, and an air inlet of the communication channel 16 is communicated with the pressure stabilizing cavity.
The high-pressure air flow collected by the pressure collecting part enters the pressure stabilizing cavity, and the pressure inside the pressure stabilizing cavity is increased to elastically compress the pressure plate 15 to a preset position, so that the air outlet of the communication channel 16 is communicated with the air inlet of the outflow part.
Specifically, the high-pressure air flow enters the pressure-collecting slit 14 and then enters the air collecting cavity 13 communicated with the air outlet of the pressure-collecting slit 14, the air flow collected by the plurality of pressure-collecting slits 14 synchronously enters the air collecting cavity 13, the air pressure in the pressure-collecting slit 14 rises rapidly and enters the pressure stabilizing cavity in the pressure box 4 through the second air channel 9, the air pressure in the pressure stabilizing cavity increases gradually, the pressure plate 15 is pushed to move and squeeze the spring, when the pressure plate 15 moves to a preset position, the air outlet of the communication channel 16 is communicated with the air inlet of the third air channel 10, the air channel between the pressure-collecting part and the outflow part is communicated, the high-pressure air accumulated in the pressure stabilizing cavity instantaneously passes through the communication channel 16 and then rapidly enters the third air channel 10, the third air channel 10 is a tapered slit channel, the air enters the first pressure cavity 11 communicated between the third air channel 10 and the air outlet slit 12 after entering the third air channel 10, and is shunted into the plurality of air outlet slits 12 through the first pressure cavity 11, the air outlet slit 12 is a tapered slit channel, the air flow passes through the air outlet slit 12 and accelerates to exit from the stable guide cavity of the inner jet wall, the pressure plate is pushed by the air outlet slit 12, and the pressure is stopped frequently and the pressure is prevented from accumulating in the system only when the pressure is high-pressure constantly continuously generated.
The main shaft 1 is provided with a dust collecting box 3, the bottom of the dust collecting box 3 is provided with a dust collecting cover 6, and the suction inlet of the dust collecting cover 6 is opposite to a hedging convergence area formed on the surface of the glass fiber by high-pressure air curtains on two sides of the cutting path.
A filter cavity is arranged in the chip collecting box 3, and a suction pump is arranged at the top of the inside of the chip collecting box 3.
The air inlet of the suction pump is communicated with the filter cavity, and the air outlet of the suction pump is communicated with the air inlet of the arc-shaped slit to form a circulating air path.
Specifically, the suction pump is started to suck the scraps generated in the opposite impact convergence area formed on the surface of the glass fiber by the high-pressure air curtains on two sides of the cutting path into the filter cavity in the scraps collecting box 3 through the dust collecting cover 6, the air flow enters the fourth air passage 17 through the air outlet of the filter screen in the filter cavity after being filtered by the suction pump, then enters the first air passage 7 through the fourth air passage 17, and then enters the air curtain slit 8 through the first air passage 7, so that the efficient energy circulation is realized, the problems of high energy consumption and amplification of the traditional equipment are solved, meanwhile, the scrap is cut while the scraps are removed, the high-pressure air curtain is generated to prevent edge warping, and the cutting quality is effectively improved.
The technical scope of the present invention is not limited to the above description, and those skilled in the art may make various changes and modifications to the above-described embodiments without departing from the technical spirit of the present invention, and these changes and modifications should be included in the scope of the present invention.
Claims (10)
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| CN202511865074.6A CN121292806B (en) | 2025-12-11 | 2025-12-11 | Mechanical automatic cutting device for glass manufacturing |
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| CN202511865074.6A CN121292806B (en) | 2025-12-11 | 2025-12-11 | Mechanical automatic cutting device for glass manufacturing |
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| CN121292806A true CN121292806A (en) | 2026-01-09 |
| CN121292806B CN121292806B (en) | 2026-03-10 |
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| EP2369042A2 (en) * | 2010-03-25 | 2011-09-28 | Murata Machinery, Ltd. | Pneumatic spinning device and spinning machine |
| JP2012117497A (en) * | 2010-12-03 | 2012-06-21 | Toshiba Corp | Electric blower and method of manufacturing the same |
| CN103212801A (en) * | 2012-01-19 | 2013-07-24 | 昆山思拓机器有限公司 | Cutting nozzle for stabilizing position of focus by utilizing gas flow |
| CN105782117A (en) * | 2016-03-07 | 2016-07-20 | 合肥通用机械研究院 | Stability extending device of centrifugal compressor |
| CN220976830U (en) * | 2023-10-09 | 2024-05-17 | 安徽华超新材料科技有限公司 | Cutting device for preventing glass fibers from splashing |
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