CN212560531U

CN212560531U - High-speed air injection device and temperature and pressure sensing automatic control melt-blowing machine

Info

Publication number: CN212560531U
Application number: CN202020913605.0U
Authority: CN
Inventors: 王乃宙
Original assignee: Dongguan Lichuang Machinery Co ltd
Current assignee: Dongguan Lichuang Machinery Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-02-19
Anticipated expiration: 2030-05-26

Abstract

The utility model belongs to the technical field of melt-blown equipment, especially, relate to a high-speed air jet system and warm-pressing sensing automatic control melt-blown machine, this high-speed air jet system includes input pipeline and exhaust mechanism, exhaust mechanism includes first connecting assembly and second coupling assembling, first connecting assembly and second coupling assembling are provided with first die cavity and the second die cavity of ventilating respectively, input pipeline is connected to first connecting assembly, first connecting assembly intercommunication first die cavity of ventilating, the first connecting assembly of second die cavity intercommunication, be provided with the baffle in the second die cavity of ventilating, the baffle sets up between two outputs of first connecting assembly, all second coupling assembling's output sets up the both sides of baffle uniformly, the utility model provides the beneficial effect that high warm-pressure sensing automatic control melt-blown machine lies in: the air current can evenly reach all output trachea, makes the gaseous state of all second coupling assembling's output the same, improves product quality effectively, is favorable to enterprise's development.

Description

High-speed air injection device and temperature and pressure sensing automatic control melt-blowing machine

Technical Field

The utility model belongs to the technical field of melt-blow equipment, especially, relate to a high-speed air jet system and warm-pressing sensing automatic control melt-blow machine.

Background

The melt-blown spinning method is a spinning method which makes the just extruded high polymer melt rapidly stretch and solidify and form at high speed by means of high-speed hot air flow. The method has the advantages of short process flow and capability of directly preparing the non-woven fabric by spinning.

People utility model has realized foretell melt blown technology in order to make the non-woven fabrics by the melt-blown machine, this melt-blown machine's work flow: the polymer masterbatch is put into an extruder and melted in the extruder at a temperature of about 240 ℃ (for the main resin adopted by the polypropylene-melt-blowing method). The melt passes through a metering pump to a meltblowing die. The metering pump measures the melt flow output to the nozzle. The spinneret is a row of capillaries with the spacing of less than 1mm and the diameter of 0.2-0.4 mm. Air inlets are formed on two sides of the capillary tube, and compressed air at the temperature of 250-300 ℃ is added. The head end of the compressed air acts on the polymer as it is extruded through the spinneret, drawing the hot filaments to a diameter of 1-10 μm with a gas flow above the speed of sound (550m/s), this web being called a microfiber web according to its physical properties. The hot air mixes with the surrounding air as it flows downward, cooling the fibers and eventually consolidating them into short, fine fibers. The main process flow of the melt-blowing method is as follows: preparing melt, filtering, metering, extruding the melt from a spinneret orifice, drafting and cooling the melt trickle, and forming a net.

The high-temperature gas injection end of the traditional melt-blowing machine generally comprises a plurality of high-temperature-resistant gas pipes and injection gun heads, the number of the injection gun heads is multiple and arranged in parallel, so that a linear gas flow zone of a gas flow cavity formed by the plurality of injection gun heads acts on a melt, namely the melt can be formed into superfine fibers.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-speed air jet system and warm-pressing sensing automatic control melt-blown machine aims at solving the high-temperature gas injection end spun gas state among the melt-blown machine among the prior art and distinguishes, influences product quality's technical problem.

In order to achieve the above object, the embodiment of the present invention provides a high-speed air injection device, which is suitable for a temperature and pressure sensing automatic control melt-blowing machine, and comprises an input pipeline and an exhaust mechanism; the input pipeline is arranged in a base of the temperature and pressure sensing automatic control melt-blowing machine; the exhaust mechanism comprises a first connecting component and a second connecting component, the first connecting component and the second connecting component are respectively provided with a first ventilation cavity and a second ventilation cavity, the first connecting component is arranged at the output end of the input pipeline and is provided with two output ends communicated with the first ventilation cavity, the second ventilation cavity is communicated with the output ends of the two first connecting components, a partition plate is arranged in the second ventilation cavity, the clapboard is arranged between the two output ends of the first connecting component, the second connecting component is provided with at least four output ends, the output ends of all the second connecting components are uniformly arranged at the two sides of the clapboard, the output ends of all the second connecting components are communicated with the second ventilation cavity, the output end of the second connecting component is aligned to the output end of the temperature and pressure sensing automatic control melt-blowing machine.

Optionally, first coupling assembling includes first connecting seat and first trachea, first connecting seat sets up input pipeline's output, the first die cavity of ventilating make up in on the first connecting seat, first tracheal quantity is two sets of, and is two sets of first trachea sets up respectively the both ends of first connecting seat, all first trachea all with the first die cavity intercommunication of ventilating, the both ends of second coupling assembling respectively with two first trachea is connected.

Optionally, the second connecting assembly comprises a second connecting seat and a second air pipe, two ends of the second connecting seat are respectively connected with the first air pipes, the second ventilation cavity is formed in the second connecting seat, two ends of the partition plate are respectively fixedly connected with the inner wall of the second connecting seat, the second air pipes are at least four groups, all of the second air pipes are arranged on the second connecting seat and are uniformly distributed on two sides of the partition plate, all of the second air pipes are communicated with the second ventilation cavity, and all of the output ends of the second air pipes are aligned to the output end of the temperature and pressure sensing automatic control melt-blowing machine.

Optionally, the number of the second air pipes is four, and the four groups of the second air pipes are uniformly arranged on two sides of the partition board.

Optionally, an input end of the input pipeline is connected with an output end of an external high-temperature negative pressure device.

Optionally, a valve mechanism is arranged between the input pipeline and the output end of the high-temperature gas conveying device.

Optionally, the valve mechanism is a stainless steel threaded gate valve.

Optionally, a first connecting plate and a second connecting plate for connecting a base of the warm-pressing sensing automatic control melt-blowing machine are respectively arranged at two ends of the second connecting assembly, the first connecting plate and the second connecting plate are made of metal materials, and glass fiber heat insulation plates are respectively arranged between the first connecting plate and the base and between the second connecting plate and the base.

The embodiment of the utility model provides an among the high-speed jet device above-mentioned one or more technical scheme have one of following technological effect at least: the working principle of the high-speed air injection device is as follows: high-temperature gas is conveyed to the first ventilation cavity through an input pipeline and then conveyed to the second ventilation cavity through the output ends of the two first connecting assemblies, and the partition plate is arranged in the second ventilation cavity to divide the second ventilation cavity into two gas cavities, and all the second gas pipes are uniformly communicated with the corresponding gas cavities respectively, so that the high-temperature gas can be uniformly output from the second gas pipes on the two sides of the partition plate; compare in the gas in the linear air current area of the jet-propelled mechanism of melt-blown machine among the prior art and have the difference, lead to the fibrous thickness after the shaping to have the difference, seriously influence product quality's technical problem, the embodiment of the utility model provides a high-speed jet device adopts the baffle structure, and abundant high temperature air current with concentrating is cut apart and is two equallys, makes the air current can evenly reach all output trachea, and the gaseous state that makes all second coupling assembling's output is the same, improves product quality effectively, is favorable to the enterprise to develop.

In order to achieve the above object, an embodiment of the present invention provides a temperature and pressure sensing automatic control melt-blowing machine, which includes the above high-speed air injection device.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the temperature and pressure sensing automatic control melt-blown machine have one of following technological effect at least: because the temperature and pressure sensing automatic control melt-blown machine adopts the high-speed air injection device, the working principle of the high-speed air injection device is as follows: high-temperature gas is conveyed to the first ventilation cavity through an input pipeline and then conveyed to the second ventilation cavity through the output ends of the two first connecting assemblies, and the partition plate is arranged in the second ventilation cavity to divide the second ventilation cavity into two gas cavities, and all the second gas pipes are uniformly communicated with the corresponding gas cavities respectively, so that the high-temperature gas can be uniformly output from the second gas pipes on the two sides of the partition plate; compare in the gas in the linear air current area of the jet-propelled mechanism of melt-blown machine among the prior art and have the difference, lead to the fibrous thickness after the shaping to have the difference, seriously influence product quality's technical problem, the embodiment of the utility model provides a high-speed jet device adopts the baffle structure, and abundant high temperature air current with concentrating is cut apart and is two equallys, makes the air current can evenly reach all output trachea, and the gaseous state that makes all second coupling assembling's output is the same, improves product quality effectively, is favorable to the enterprise to develop.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a temperature and pressure sensing automatic control melt-blowing machine provided by an embodiment of the present invention.

Fig. 2 is a schematic structural view of another angle of the temperature and pressure sensing automatic control melt-blowing machine in fig. 1.

Fig. 3 is a schematic structural diagram of a high-speed air injection device according to an embodiment of the present invention.

Fig. 4 is a schematic sectional structure view of the high-speed gas injection device in fig. 3.

Fig. 5 is a schematic structural diagram of a filter screen adjusting assembly provided by the embodiment of the present invention.

Fig. 6 is an exploded view of the structure of the screen adjusting assembly of fig. 5.

Fig. 7 is a side cross-sectional view of the screen conditioning assembly of fig. 5.

Fig. 8 is a flow chart of a process for forming the spun fabric fibers of the temperature and pressure sensing automatic control melt-blowing machine in fig. 1.

Wherein, in the figures, the respective reference numerals:

10-engine base 20-heating extrusion device 30-high-speed air injection device

40-warm-pressing sensing unit 21-pushing mechanism 22-heating charging barrel

23-injection mechanism 50-servo driving mechanism 231-filter screen adjusting component

232-injection seat 233-spray head mould 234-fixing component

235-sliding part 236-sliding block 237-rotating handle

238-screw rod 239-filtering unit 2341-fixing seat

2342-guide 2321-first output seat 2322-second output seat

31-input pipe 32-exhaust mechanism 321-first connecting component

322-second connecting assembly 323-first venting cavity 324-second venting cavity

325-clapboard 3211-first connecting seat 3212-first air pipe

3221-second connecting seat 3222-second air pipe 33-valve mechanism

70-cartridge shield 60-take-up.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-8 are exemplary and intended to be used to illustrate embodiments of the present invention, and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, 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 description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1 to 8, a high-speed air injection device 30 is provided, and the description of the high-speed air injection device 30 and the application thereof to a temperature and pressure sensing automatic control melt-blown machine are embodied in detail, wherein the temperature and pressure sensing automatic control melt-blown machine comprises a machine base 10, a heating extrusion device 20, a high-speed air injection device 30, a temperature and pressure sensing unit 40 and a control device; the heating extrusion device 20 comprises an extrusion mechanism 21, a heating material cylinder 22 and an ejection mechanism 23, wherein the heating material cylinder 22 is arranged on the machine base 10, the extrusion mechanism 21 is arranged on the machine base 10 and used for heating materials and enabling the materials to be in a molten state, the output end of the extrusion mechanism 21 is connected with the input end of the heating material cylinder 22 and used for pushing the materials in the molten state to the other end of the heating material cylinder 22, the ejection mechanism 23 is arranged on the machine base 10 and the input end of the ejection mechanism 23 is connected with the output end of the heating material cylinder 22, and the ejection mechanism 23 is used for ejecting the materials which are pushed by the extrusion mechanism 21 and are in the molten state to the outside; the high-speed air injection device 30 is arranged on the machine base 10, and the output end of the high-speed air injection device 30 is aligned with the output end of the injection mechanism 23 so as to be used for clamping, drafting and thinning the melt output by the injection mechanism 23, so that the melt is cooled to form superfine fibers; the temperature and pressure sensing unit 40 is arranged at the output end of the ejection mechanism 23 and is used for detecting the material temperature and the ejection pressure at the output end of the ejection mechanism 23; the control device comprises a servo driving mechanism 50 and a control unit, the control unit is arranged in the machine base 10 and is electrically connected with the temperature and pressure sensing unit 40, the servo driving mechanism 50 is arranged on the machine base 10, the servo driving mechanism 50 is in driving connection with the pushing mechanism 21, and the servo driving mechanism 50 and the heating end of the heating material barrel 22 are both electrically connected with the control unit; in this embodiment, the control unit is a PLC electrical control system, and the temperature and pressure sensing unit 40 is a temperature and pressure sensor.

Specifically, the temperature and pressure sensing automatic control melt-blowing machine has the working process that: adding a material to be molded to the input end of the heating cylinder 22; the heating material cylinder 22 heats the material to a molten state, and the pushing mechanism 21 is driven by the servo driving mechanism 50 to push the melt to the output end of the heating material cylinder 22; after the extruded melt enters the ejection mechanism 23, the temperature and pressure sensing unit 40 detects the temperature of the melt and the pressure applied by the extrusion mechanism 21, and sends the detection result to the control unit; the control unit respectively adjusts the operation parameters and preset heating temperature values of the servo driving mechanism 50 and the heating end of the heating material cylinder 22 according to the real-time detection result, and the ejection mechanism 23 ejects the melt until the operation parameters of the servo driving mechanism 50 and the preset heating temperature values of the heating end of the heating material cylinder 22 tend to be stable; the high-speed air injection device 30 aligns the melt injection high-speed air flow output by the injection mechanism 23 to clamp, draw and thin the melt, so that the melt is cooled to form superfine fibers; compare in the melt-blown machine among the prior art and set up the operating parameter of extruder and heating structure through technical staff's accent quick-witted experience, lead to melt-blown machine to have certain limitation, the technical problem that the productivity can't improve, the embodiment of the utility model provides a temperature pressure sensing automatic control melt-blown machine is provided with temperature and pressure sensing unit at the fuse-element injection end, real time monitoring is emitting the fuse-element temperature and the pressurized parameter of end, and feed back this parameter to control system in, adjust heating structure and the operating parameter who pushes away the structure by control system in real time, guarantee that the fuse-element temperature of end and the pressure that receives keep at the ideal value, improved the production efficiency of this melt-blown machine effectively, improve the product quality that this melt-blown machine produced.

As shown in fig. 1 and fig. 2, in another embodiment of the present invention, the servo driving mechanism 50 includes a servo motor and a transmission assembly, the pushing mechanism 21 is an auger, the servo motor is disposed on the machine base 10, and the servo motor is in driving connection with the pushing mechanism 21 through the transmission assembly; the servo motor is used as a driving source of the pushing mechanism 21, and the rotating speed of the servo motor can be adjusted in real time, so that the servo motor is more favorable for being matched with the control unit compared with a common motor, and the driving effect of the servo driving mechanism 50 is effectively improved.

As shown in fig. 1 and fig. 2, in another embodiment of the present invention, the transmission assembly is a reducer structure, the input end of the transmission assembly is connected to the output spindle of the servo motor in a rotating manner, the output end of the transmission assembly is connected to the input end of the pushing mechanism 21 in a rotating manner, the reducer structure is a structure formed by a technology and mature technology, which is not described again in this embodiment, and is used as a transmission component of the servo motor and the pushing mechanism 21, so as to facilitate the driving effect of the servo motor.

As shown in fig. 1 to 7, in another embodiment of the present invention, the injection mechanism 23 includes a filter screen adjusting assembly 231, an injection seat 232 and a nozzle mold 233, the filter screen adjusting assembly 231 is disposed at the output end of the heating cylinder 22 and is used for replacing the filter element at the output end of the heating cylinder 22, the injection seat 232 is disposed at the output end of the filter screen adjusting assembly 231, the nozzle mold 233 is disposed at the output end of the injection seat 232 and is used for injecting the melt conveyed through the heating cylinder 22, and the temperature and pressure sensing unit 40 is disposed on the injection seat 232; adopt filter screen adjusting part 231 to realize that filter element adjusts the change effect, be favorable to improving the filter effect of impurity in the fuse-element of this output of heating feed cylinder 22, improve the fuse-element quality, and then improve product quality.

As shown in fig. 1 to 7, in another embodiment of the present invention, the screen adjusting assembly 231 includes a fixing member 234 and a sliding member 235, the fixing member 234 is disposed between the heating cylinder 22 and the injecting seat 232, the fixing member 234 is disposed to communicate with the sliding hole, a length direction of the sliding hole is perpendicular to a material conveying direction of the heating cylinder 22, and the sliding hole is communicated with an output end of the heating cylinder 22 and an input end of the injecting seat 232; the sliding member 235 comprises a sliding block 236, a rotating handle 237, a screw rod 238 and filter units 239, the sliding block 236 is slidably fitted with the sliding hole, the screw rod 238 is screwed on the side wall of the fixing member 234, one end of the screw rod 238 extends into the sliding hole and is rotatably connected with the sliding block 236, the other end of the screw rod 238 extends to the outside of the fixing member 234, the rotating handle 237 is drivingly connected with the end of the screw rod 238 far away from the sliding block 236, the number of the filter units 239 is at least two, and all the filter units 239 are juxtaposed on the sliding block 236 along the length direction of the sliding block 236 and are used for filtering the melt which is output through the heating material cylinder 22 and flows towards the shooting seat 232.

Specifically, when the filter unit 239 needs to be adjusted for replacement, the rotating handle 237 is rotated, because twist grip 237 is connected with lead screw 238 drive, lead screw 238 is rotatory to drive slider 236 and remove along the slide opening, make and install the filter unit 239 removal in advance on slider 236 to the position of waiting the filter unit 239 of dismantling, realize the regulation change of filter unit 239, compare the filter unit 239 among the prior art generally all be fixed mounting, need shut down and tear open and trade, just can realize the change of filter unit 239, seriously influence the technical problem of melt-blown machine's production efficiency, the embodiment provides a filter screen adjusting part 231 adopts simple structure's handle and slider 236 structure to realize that filter unit 239 adjusts and changes, need not tear open in a large number to equipment part and trade, improves effectively and adjusts change efficiency, has shortened the downtime, and then improves production efficiency.

As shown in fig. 1 to 7, in another embodiment of the present invention, the fixing member 234 includes a fixing seat 2341 and a guiding seat 2342, the fixing seat 2341 is disposed between the heating cylinder 22 and the shooting seat 232, the sliding hole is formed on the fixing seat 2341, the guiding seat 2342 is provided with an open slot communicating with the sliding hole, the guiding seat 2342 is coated on the fixing seat 2341 through the open slot, the screw rod 238 is rotatably connected to the guiding seat 2342, and the end of the screw rod 238 passes through the open slot and extends into the sliding hole.

As shown in fig. 1-7, in another embodiment of the present invention, the cross-section of the open slot is a rectangular structure, the guiding seat 2342 is Contraband-shaped structure, and a Contraband-shaped structure is adopted to provide a suitable moving space for the sliding block 236, so as to ensure that the filtering unit 239 can be smoothly adjusted and replaced.

As shown in fig. 1-7, in another embodiment of the present invention, the lead screw 238 is close to the end of the slider 236 is provided with a connector, the end of the slider 236 is provided with a slot for engaging with the connector, and the connector is smoothly connected with the slider 236 in a rotating manner by the engaging means, so as to improve the driving effect of the lead screw 238.

As shown in fig. 1 to 7, in another embodiment of the present invention, the end of the slider 236 close to the connector is provided with a supporting block for supporting against the side wall of the fixing seat 2341, so as to prevent the slider 236 from moving excessively.

As shown in fig. 1 to 7, in another embodiment of the present invention, the sliding block 236 is provided with a plurality of sets of mounting through holes for mounting the filtering unit 239, the plurality of sets of mounting through holes are uniformly arranged on the sliding block 236 along the distribution direction of the filtering unit 239, for example, in this embodiment, the number of the mounting through holes is two sets.

As shown in fig. 1-7, in another embodiment of the present invention, the filtering unit 239 includes a first mounting ring, a second mounting ring and a stainless steel filter net, the first mounting ring and the second mounting ring are disposed at two ends of the mounting through hole, the stainless steel filter net is disposed in the inner ring of the first mounting ring, the structure using the first mounting ring and the second mounting ring can improve the mounting stability of the stainless steel filter net, and improve the structural strength of the filtering unit 239.

As shown in fig. 1-7, in another embodiment of the present invention, the first mounting ring is disposed at the position where the mounting hole is close to one end of the material cylinder, the second mounting ring is disposed at the position where the mounting hole is close to one end of the output mechanism, the second mounting ring is close to the end of the output mechanism, the cover plate is disposed at the end of the output mechanism, the cover plate is provided with a plurality of filtering holes, and the filtering holes of the cover plate form a honeycomb structure, which is beneficial to further improving the filtering effect.

As shown in fig. 1 to 7, in another embodiment of the present invention, the injection seat 232 includes a first output seat 2321 and a second output seat 2322, the first output seat 2321 is disposed along a horizontal direction, an input end of the first output seat 2321 is connected to an output end of the filter screen adjusting assembly 231, the second output seat 2322 is disposed along a vertical direction, an input end of the second output seat 2322 is connected to an output end of the first output seat 2321, the nozzle mold 233 is disposed at an output end of the second output seat 2322, and the temperature and pressure sensing unit 40 is disposed between the first output seat 2321 and the second output seat 2322.

As shown in fig. 1-7, in another embodiment of the present invention, the frame 10 is close to the side wall of the second output seat 2322 is provided with a plurality of air holes, all the air holes are horizontally arranged and aligned with the output end of the second output seat 2322, the high-speed air injection device 30 is arranged in the frame 10, the plurality of output ends of the high-speed air injection device 30 provided with a plurality of output ends and the high-speed air injection device 30 respectively extend to the corresponding air holes, and the plurality of air holes arranged in parallel form a linear air flow structure, which is beneficial to rapidly cooling the melt and forming a reticular fiber structure.

As shown in fig. 1-7, in another embodiment of the present invention, the bottom of the filter screen adjusting assembly 231 is provided with a receiving tray 60 for collecting the excess material that is overflowed after being filtered by the filtering unit 239, so as to effectively prevent the excess material that is overflowed when the filtering unit 239 is not replaced in time, and prevent the pollution to the working environment.

In another embodiment of the present invention, as shown in fig. 3 to 4, the high-speed air injection device 30 includes an input pipe 31 and an exhaust mechanism 32; the input pipeline 31 is arranged in the machine base 10; the exhaust mechanism 32 comprises a first connecting assembly 321 and a second connecting assembly 322, the first connecting assembly 321 and the second connecting assembly 322 are respectively provided with a first ventilating cavity 323 and a second ventilating cavity 324, the first connecting assembly 321 is arranged at the output end of the input pipeline 31, the first connecting assembly 321 is provided with two output ends communicated with the first ventilating cavity 323, the second ventilating cavity 324 is communicated with the two output ends of the first connecting assembly 321, a partition plate 325 is arranged in the second ventilating cavity 324, the partition plate 325 is arranged between the two output ends of the first connecting assembly 321, the second connecting assembly 322 is provided with at least four output ends, the output ends of all the second connecting assemblies 322 are uniformly arranged at two sides of the partition plate 325, and the output ends of all the second connecting assemblies 322 are communicated with the second ventilating cavity 324, the output of the second connector assembly 322 is aligned to the output of the nozzle mold 233.

Specifically, the operating principle of the high-speed air injection device 30 is as follows: high-temperature gas is conveyed to the first ventilation cavity 323 through the input pipeline 31 and then conveyed into the second ventilation cavity 324 through the output ends of the two first connecting assemblies 321, and because the partition plate 325 is arranged in the second ventilation cavity 324 to divide the second ventilation cavity 324 into two gas cavities, all the gas output ends are uniformly communicated with the corresponding gas cavities respectively, the high-temperature gas can be uniformly output from the gas output ends at the two sides of the partition plate 325; compare in the gas in the linear air current area of the jet-propelled mechanism of melt-blown machine among the prior art and have the difference, lead to the fibrous thickness after the shaping to have the difference, seriously influence product quality's technical problem, the embodiment of the utility model provides a high-speed jet device 30 adopts the baffle 325 structure, and the high-temperature air current that fully will concentrate is cut apart and is the halving, makes the air current can evenly reach all output trachea, and the gaseous state that makes all second coupling assembling 322's output is the same, improves product quality effectively, is favorable to the enterprise to develop.

As shown in fig. 3 to 4, in another embodiment of the present invention, the first connection assembly 321 includes a first connection seat 3211 and a first air tube 3212, the first connection seat 3211 is disposed at an output end of the input pipeline 31, the first ventilation cavity 323 is formed on the first connection seat 3211, the number of the first air tubes 3212 is two, the two first air tubes 3212 are disposed at two ends of the first connection seat 3211, all the first air tubes 3212 are communicated with the first ventilation cavity 323, and two ends of the second connection assembly 322 are connected with the two first air tubes 3212.

As shown in fig. 3 to 4, in another embodiment of the present invention, the second connecting assembly 322 includes a second connecting seat 3221 and a second air pipe 3222, two ends of the second connecting seat 3221 are respectively connected to the two first air pipes 3212, the second ventilation cavity 324 is formed on the second connecting seat 3221, two ends of the partition 325 are respectively fixedly connected to an inner wall of the second connecting seat 3221, the second air pipes 3222 are at least four groups, all the second air pipes 3222 are disposed on the second connecting seat 3221 and uniformly distributed on two sides of the partition 325, all the second air pipes 3222 are all communicated with the second ventilation cavity 324, and an output end of all the second air pipes 3222 aligns with an output end of the nozzle mold 233.

As shown in fig. 3 to 4, in another embodiment of the present invention, the number of the second air pipes 3222 is four, and the four second air pipes 3222 are uniformly disposed on two sides of the partition 325.

In another embodiment of the present invention, the input end of the input pipeline 31 is connected to the output end of an external high temperature negative pressure device.

As shown in fig. 1 to 4, in another embodiment of the present invention, a valve mechanism 33 is disposed between the input pipe 31 and the output end of the high temperature gas delivery device.

In another embodiment of the present invention, the valve mechanism 33 is a stainless steel screw gate valve; stainless steel screw gate valve is technology shaping and the mature structure of technique, and this embodiment is no longer repeated.

As shown in fig. 1-4, in another embodiment of the present invention, the two ends of the second connecting component 322 are respectively provided with a first connecting plate and a second connecting plate for connecting the frame 10 of the thermo-compression sensing automatic control melt-blowing machine, the first connecting plate and the second connecting plate are made of metal material, the first connecting plate and the second connecting plate and the frame 10 are respectively provided with a glass fiber thermal insulation board therebetween, so as to effectively prevent the heat of the high temperature gas from being conducted to the frame 10.

As shown in fig. 1 and fig. 2, in another embodiment of the present invention, a cartridge protecting cover 70 for protecting the heating cartridge 22 is disposed on the heating cartridge 22, the heating cartridge 22 protecting cover is disposed on the frame 10 and is provided with an opening cavity for covering the heating cartridge 22, and at least one heat sink for preventing the heating cartridge 22 from overheating is disposed on the heating cartridge 22, in this embodiment, the heat sink is a heat dissipating fan and the number of the heat sinks is three, and the heat dissipating element is adopted to dissipate heat for the heating cartridge 22, so as to effectively prevent the heating cartridge 22 from overheating and failing, ensure that the heating cartridge 22 can operate smoothly, and prolong the service life of the heating cartridge 22.

As shown in fig. 1 and 2, in another embodiment of the present invention, a plurality of waist-shaped heat dissipation through holes are further disposed on the cartridge shield 70, so as to further improve the heat dissipation effect.

As shown in fig. 8, another embodiment of the present invention provides a woven fabric fiber forming process, which is performed by the above-mentioned temperature and pressure sensing automatic control melt-blowing machine, and comprises the following steps:

s100: adding a material to be molded to the input end of the heating cylinder 22;

s200: the heating material cylinder 22 heats the material to a molten state, and the pushing mechanism 21 is driven by the servo driving mechanism 50 to push the melt to the output end of the heating material cylinder 22;

s300: after the extruded melt enters the ejection mechanism 23, the temperature and pressure sensing unit 40 detects the temperature of the melt and the pressure applied by the extrusion mechanism 21, and sends the detection result to the control unit;

s400: the control unit respectively adjusts the operation parameters and preset heating temperature values of the servo driving mechanism 50 and the heating end of the heating material cylinder 22 according to the real-time detection result;

s500: repeating S100-S400 until the operation parameters of the servo driving mechanism 50 and the preset heating temperature value of the heating end of the heating material cylinder 22 tend to be stable, and then spraying the melt by the ejection mechanism 23;

s600: the high-speed air jet device 30 aligns the melt jet high-speed air flow output by the ejection mechanism 23 to clamp, draw and attenuate the melt, so that the melt is cooled to form superfine fibers.

Specifically, compare in the melt-blown machine among the prior art and set up the operating parameter of extruder and heating structure through technical staff's accent machine experience, lead to melt-blown machine to have certain limitation, the technical problem that the productivity can't improve, the embodiment of the utility model provides an among the fabric fiber forming process, this actuating equipment is provided with temperature and pressure sensing unit at the melt-jet end, real time monitoring is emitting the melt temperature and the pressurized parameter of end to feed back this parameter to control system, by the operating parameter of control system real-time adjustment heating structure and push structure, guarantee that the melt temperature of emitting end and pressure that receives keep at the ideal value, improved the production efficiency of the actuating equipment of this forming process effectively, improve the product quality who produces by the equipment of carrying out this forming process.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A high-speed air injection device is suitable for a temperature and pressure sensing automatic control melt-blowing machine and is characterized by comprising:

the input pipeline is arranged in a base of the temperature and pressure sensing automatic control melt-blowing machine;

the exhaust mechanism comprises a first connecting component and a second connecting component, the first connecting component and the second connecting component are respectively provided with a first ventilation cavity and a second ventilation cavity, the first connecting component is arranged at the output end of the input pipeline and is provided with two output ends communicated with the first ventilation cavity, the second ventilation cavity is communicated with the output ends of the two first connecting components, a partition plate is arranged in the second ventilation cavity, the clapboard is arranged between the two output ends of the first connecting component, the second connecting component is provided with at least four output ends, the output ends of all the second connecting components are uniformly arranged at the two sides of the clapboard, the output ends of all the second connecting components are communicated with the second ventilation cavity, the output end of the second connecting component is aligned to the output end of the temperature and pressure sensing automatic control melt-blowing machine.

2. The high-speed gas injection device according to claim 1, wherein the first connection assembly comprises a first connection seat and two first gas pipes, the first connection seat is arranged at the output end of the input pipeline, the first ventilation cavity is formed in the first connection seat, the number of the first gas pipes is two, the two first gas pipes are respectively arranged at two ends of the first connection seat, all the first gas pipes are communicated with the first ventilation cavity, and two ends of the second connection assembly are respectively connected with the two first gas pipes.

3. The high-speed gas injection device according to claim 2, wherein the second connection assembly comprises a second connection seat and second gas pipes, two ends of the second connection seat are respectively connected with the two first gas pipes, the second ventilation cavities are formed in the second connection seat, two ends of the partition plate are respectively fixedly connected with the inner wall of the second connection seat, the number of the second gas pipes is at least four, all the second gas pipes are arranged on the second connection seat and evenly distributed on two sides of the partition plate, all the second gas pipes are communicated with the second ventilation cavities, and output ends of all the second gas pipes are aligned with output ends of the temperature and pressure sensing automatic control melt-blowing machine.

4. A high speed air jet apparatus as claimed in claim 3, wherein said second air pipes are provided in four groups, and said four groups of second air pipes are uniformly provided on both sides of said partition.

5. A high velocity gas injection apparatus as claimed in claim 1, wherein: the input end of the input pipeline is connected with the output end of an external high-temperature negative pressure device.

6. A high velocity air jet as claimed in claim 5, wherein a valve mechanism is provided between the input duct and the output of the high temperature sub-atmospheric means.

7. A high velocity gas injection apparatus as claimed in claim 6, wherein: the valve mechanism is a stainless steel threaded gate valve.

8. The high-speed air injection device according to claim 1, wherein a first connecting plate and a second connecting plate for connecting a base of the temperature and pressure sensing automatic control melt-blowing machine are respectively arranged at two ends of the second connecting assembly, the first connecting plate and the second connecting plate are made of metal materials, and glass fiber heat insulation plates are respectively arranged between the first connecting plate and the base and between the second connecting plate and the base.

9. A temperature and pressure sensing automatic control melt-blowing machine is characterized in that: a high-speed gas injection device according to any one of claims 1 to 8.