CN112160035B

CN112160035B - Prevent spouting fine hair shower nozzle of jam based on centrifugal force is adjusted

Info

Publication number: CN112160035B
Application number: CN202011053145.XA
Authority: CN
Inventors: 赖小燕; 宋锐梵
Original assignee: Individual
Current assignee: Lai Xiaoyan
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-12-17
Anticipated expiration: 2040-09-29
Also published as: CN112160035A

Abstract

The invention relates to the technical field of non-woven fabric flock spraying equipment, and discloses a flock spraying nozzle capable of preventing blockage based on centrifugal force adjustment. This prevent fine hair shower nozzle of blockking up based on centrifugal force is adjusted, relies on cam self gravity to make piston two push down, extrudes the inside melting material of sap cavity and spinneret orifice, prevents to solidify after the material cooling and blocks up the spinneret orifice, improves the automatically cleaning ability of shower nozzle, reduces and changes the maintenance cost, according to the effect of fine hair speed adjustment heating temperature, improves product shaping quality.

Description

Prevent spouting fine hair shower nozzle of jam based on centrifugal force is adjusted

Technical Field

The invention relates to the technical field of non-woven fabric flock spraying equipment, in particular to a flock spraying nozzle capable of preventing blockage based on centrifugal force adjustment.

Background

Harmless cloth is the core material in the manufacturing process of gauze mask, melt raw materials polypropylene through heating device and spout the material subassembly and make into and spout the flannel, nevertheless after spouting flannel production because the condensation is met to the melting polypropylene ethylene and solid inside the spinneret orifice, easily cause the shower nozzle to block up, it is very inconvenient to clear up after blockking up, in case can't clear up just can wholly scrap, current clearance mode is the mode that adopts the heating, this kind of mode makes the mould steel take place deformation easily, lead to the spinneret orifice to scrap, and current shower nozzle needs and heating device connect melting polypropylene in transportation process because thermal loss influences product quality, and heating device can not provide the temperature of heating according to spouting the fine hair speed, the shaping quality of product has been reduced.

In order to solve the problems, the inventor provides the down spray nozzle for preventing blockage based on centrifugal force adjustment, the down spray nozzle for preventing blockage based on centrifugal force adjustment presses the piston II by means of the gravity of the cam per se to extrude molten materials in the liquid cavity and the spinneret hole, the spinneret hole is prevented from being solidified and blocked after the materials are cooled, the self-cleaning capability of the nozzle is improved, the replacement and maintenance cost is reduced, the heating temperature is adjusted according to the down spray speed, and the product forming quality is improved.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the down spraying nozzle capable of preventing blockage based on centrifugal force adjustment, which has the advantages of automatically extruding the internal material of the spinneret orifice after down spraying is finished, avoiding blockage, simultaneously carrying out down spraying and heating, adjusting the heating temperature according to the down spraying speed, improving the product forming quality, and solving the problems that the nozzle is easy to block and clean and the heating device cannot adjust the heating temperature according to the down spraying speed.

(II) technical scheme

In order to realize the purposes of automatically extruding the internal material of the spinneret orifice after the flock spraying is finished, avoiding blockage, simultaneously carrying out flock spraying and heating, and improving the product forming quality by adjusting the heating temperature according to the flock spraying speed, the invention provides the following technical scheme: a down spraying nozzle capable of preventing blockage based on centrifugal force adjustment comprises a nozzle shell, wherein the middle of the nozzle shell is rotatably connected with a first rotating shaft, the periphery of the middle of the first rotating shaft is fixedly connected with an extrusion blade, the bottom end of the first rotating shaft is fixedly connected with a T-shaped block, one side, close to the first rotating shaft, of the T-shaped block is elastically connected with a first centrifugal block through a first spring, the bottom end of the first centrifugal block is fixedly connected with a blocking block, the bottom end of the nozzle shell is provided with a spinneret orifice, the bottom of the nozzle shell is provided with a liquid cavity, the periphery of the top of the first rotating shaft is movably connected with a second centrifugal block, the left end and the right end of the second centrifugal block are fixedly connected with a first contact, one side, close to the first contact, of the nozzle shell is fixedly connected with a heating resistance wire, the left end and the right end of the second centrifugal block are connected with an arc-shaped plate through traction rod transmission, one side, close to the arc-shaped plate, of the nozzle shell is provided with a discharge hole, the shower nozzle shell comprises a nozzle shell body and is characterized in that a rotating shaft II is rotatably connected to the left end and the right end of the middle portion of the nozzle shell body, a rotating gear is fixedly connected to the outer portion of the rotating shaft II, a gear rack is connected to the outer portion of the rotating gear in a meshed mode, a supporting rod is fixedly connected to the top of the gear rack, a supporting seat I is fixedly connected to the top of the supporting seat I, a supporting seat II is connected to the top of the supporting seat I through a connecting rod group in a transmission mode, a piston I is fixedly connected to the top of the supporting seat I, a cam is fixedly connected to the outer portion of the rotating shaft II, and the small head end of the cam is connected with a piston II through a connecting rod group in a transmission mode.

Preferably, the interior of the sprayer housing is hollow, the left end and the right end of the sprayer housing are provided with air cavities, the sprayer housing is connected with an air channel of the air cavities through air ducts, and the air pressure in the air cavities assists in the implementation of the down spraying action.

Preferably, the power of the first rotating shaft and the second rotating shaft comes from an external motor, a gap exists between the outside of the T-shaped block and the inside of the sprayer housing, a groove is formed in one side, close to the blocking block, of the sprayer housing, the outside of the blocking block is matched with the inside of the groove, and the effect of automatically opening and closing the bottom space of the sprayer is achieved through the centrifugal force applied to the first centrifugal block.

Preferably, the liquid cavity is connected with air passages of air cavities formed in the left end and the right end of the sprayer shell, the number of the centrifugal blocks is four, the centrifugal blocks are arranged on the periphery of the rotating shaft I at equal angles, the contact I is connected with a heating resistance wire circuit, the end part of the traction rod is matched with the inner part of the arc-shaped plate, and the centrifugal blocks drive the contact I to change the number of the connected heating resistance wires through centrifugal force, so that heating temperature is controlled.

Preferably, the arc-shaped plates are larger than the caliber of the discharge hole, the arc-shaped plates are distributed on the periphery of the first rotating shaft at equal angles, and the discharge hole is closed under the action of centrifugal force and the traction rod when no flock is sprayed.

Preferably, the number of teeth of commentaries on classics tooth corresponds with the inside rack number of rack, rack swing joint both ends about the shower nozzle casing, support two is formed by two parts support are articulated, piston one respectively fixed connection at the top of two branches of support two, the groove and the body of rod of one side fixedly connected with mutual adaptation that link group is close at the center, the inner wall of link group one passes through spring elastic connection, reciprocates through the rack and extrudes the inside fused polypropylene material of shower nozzle casing.

Preferably, the center of the cam is arranged at the small end, the connecting rod group II is composed of two hinged connecting rods, the outer part of the piston II is matched with the inner parts of air cavities formed at the left end and the right end of the nozzle shell, and after the flock spraying is finished, the polypropylene material in the spinneret orifice is extruded out through the self gravity of the cam, so that the coagulation and blockage are prevented.

(III) advantageous effects

Compared with the prior art, the invention provides a down spraying nozzle for preventing blockage based on centrifugal force adjustment, which has the following beneficial effects:

1. this prevent fine hair shower nozzle of spouting based on centrifugal force is adjusted and is prevented blockking up, outside fixedly connected with cam through pivot two, the microcephaly end of cam is connected with piston two through two transmissions of linkage, after spouting fine hair, the shower nozzle bottom is stopped up under the spring action of spring one to centrifugal piece one, rely on cam self gravity to make piston two push down with the inside melting material of liquid chamber and spinneret orifice extrude, thereby reach the automatic effect of extruding the inside material of spinneret orifice after spouting fine hair is ended, prevent that the material from solidifying the jam spinneret orifice after cooling, improve the automatically cleaning ability of shower nozzle, reduce and change the maintenance cost.

2. This prevent whitewashed shower nozzle of jam based on centrifugal force adjustment, it is connected with pivot one to rotate through the shower nozzle casing, the peripheral swing joint at pivot one top has centrifugal piece two, the speed of whitewashed speed is spouted in the feedback of centrifugal piece two, the centrifugal force effect that receives makes centrifugal piece two change the quantity that contact one inserts the heating resistor silk, change heating temperature, centrifugal piece two is connected with the arc through the drawbar transmission, the arc is located the top of discharge gate, the change of centrifugal piece two positions makes the arc change the size that blocks the discharge gate, increase discharge capacity, thereby reach the effect according to spouting whitewashed speed adjustment heating temperature, improve product shaping quality.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top plan view of a centrifugal block II according to the present invention;

FIG. 3 is a schematic diagram of two extreme positions of a centrifugal block according to the present invention;

FIG. 4 is an enlarged view of a push-up structure of the piston of the present invention;

FIG. 5 is an enlarged view of a closed configuration of the piston of the present invention;

FIG. 6 is an enlarged view of the structure of FIG. 1 at A in accordance with the present invention;

fig. 7 is an enlarged view of the structure shown at B in fig. 2 according to the present invention.

In the figure: 1. a nozzle housing; 2. a first rotating shaft; 3. extruding the blade; 4. a T-shaped block; 5. a first spring; 6. a centrifugal block I; 7. blocking the block; 8. a spinneret orifice; 9. a liquid chamber; 10. a centrifugal block II; 11. a first contact; 12. heating resistance wires; 13. a draw bar; 14. an arc-shaped plate; 15. a discharge port; 16. a second rotating shaft; 17. rotating the teeth; 18. a rack; 19. a strut; 20. a first support; 21. a first connecting rod group; 22. a second support; 23. a first piston; 24. a cam; 25. a second connecting rod group; 26. and a second piston.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, a down spraying nozzle for preventing blockage based on centrifugal force adjustment comprises a nozzle shell 1, a rotating shaft 2 is rotatably connected to the middle of the nozzle shell 1, the inside of the nozzle shell 1 is hollow, air cavities are formed in the left end and the right end of the nozzle shell 1, the nozzle shell 1 is connected with an air channel of the air cavities through an air duct, air pressure in the air cavities assists in the implementation of down spraying action, an extrusion blade 3 is fixedly connected to the periphery of the middle of the rotating shaft 2, power of the rotating shaft 2 and a rotating shaft 16 is from an external motor, a gap exists between the outside of a T-shaped block 4 and the inside of the nozzle shell 1, a groove is formed in one side of the nozzle shell 1 close to a blocking block 7, the outside of the blocking block 7 is matched with the inside of the groove, the effect of automatically opening and closing the bottom space of the nozzle is achieved through centrifugal force applied to a centrifugal block 6, the bottom end of the rotating shaft 2 is fixedly connected with the T-shaped block 4, one side of the T-shaped block 4 close to the rotating shaft 2 is elastically connected with the centrifugal block 6 through a spring 5, the bottom end of the centrifugal block I6 is fixedly connected with a blocking block 7, the bottom end of the sprayer housing 1 is provided with a spinneret orifice 8, the bottom of the sprayer housing 1 is provided with a liquid cavity 9, the liquid cavity 9 is connected with air passages of air cavities formed at the left end and the right end of the sprayer housing 1, the number of the centrifugal blocks II 10 is four, the centrifugal blocks II are arranged on the periphery of the rotating shaft I2 at equal angles, a contact I11 is in circuit connection with a heating resistance wire 12, the end part of a traction rod 13 is matched with the inner part of an arc-shaped plate 14, the centrifugal blocks II 10 drive the contact I11 to change the number of the connected heating resistance wire 12 through centrifugal force, so as to control the heating temperature, the periphery of the top part of the rotating shaft I2 is movably connected with the centrifugal blocks II 10, the left end and the right end of the centrifugal blocks II 10 are fixedly connected with the contact I11, one side of the sprayer housing 1 close to the contact I11 is fixedly connected with the heating resistance wire 12, the left end and the right end of the centrifugal blocks II 10 are in transmission connection with the arc-shaped plate 14 through the traction rod 13, the arc plate 14 is larger than the caliber of the discharge hole 15, the arc plate 14 is distributed on the periphery of the first rotating shaft 2 at equal angles, the discharge hole 15 is closed under the action of centrifugal force and a traction rod 13 when no flock is sprayed, the discharge hole 15 is formed in one side, close to the arc plate 14, of the spray head shell 1, the left end and the right end of the middle part of the spray head shell 1 are rotatably connected with a second rotating shaft 16, the outer part of the second rotating shaft 16 is fixedly connected with a rotating tooth 17, the number of teeth of the rotating tooth 17 corresponds to the number of teeth in a rack 18, the rack 18 is movably connected to the left end and the right end of the spray head shell 1, the second support 22 is formed by hinging two support seats, a first piston 23 is respectively and fixedly connected to the tops of the two support seats 22, one side, close to the center, of a first connecting rod group 21 is fixedly connected with a groove and a rod body which are mutually matched, the inner wall of the first connecting rod group 21 is elastically connected through a spring, and the melted polypropylene material in the spray head shell 1 is extruded through reciprocating up and down movement of the rack 18, the periphery of the rotating teeth 17 is meshed with a tooth rack 18, a supporting rod 19 is fixedly connected to the top end of the tooth rack 18, a first support 20 is fixedly connected to the top of the supporting rod 19, the top of the first support 20 is in transmission connection with a second support 22 through a first connecting rod group 21, a first piston 23 is fixedly connected to the top of the second support 22, a cam 24 is fixedly connected to the outer portion of the second rotating shaft 16, the center of the cam 24 is at the small end, a second connecting rod group 25 is formed by two hinged connecting rods, the outer portion of the second piston 26 is matched with the inner portions of air cavities formed in the left end and the right end of the nozzle shell 1, after flock spraying is finished, polypropylene materials in the spinneret orifice 8 are extruded through the self gravity of the cam 24, solidification blockage is prevented, and the small end of the cam 24 is in transmission connection with the second piston 26 through the second connecting rod group 25.

The working process and principle are as follows: when the spraying of the velvet is started, the input velvet spraying raw materials enter the top of the sprayer shell 1, along with the rotation of the rotating shaft I2, the centrifugal block II 10 is subjected to increased centrifugal force along with the acceleration of the speed of the rotating shaft I2 along with the rotation of the starting motor, the centrifugal block II 10 drives the contact I11 to increase the number of the connected heating resistance wires 12, the heating temperature is increased, meanwhile, the periphery of the centrifugal block II 10 is hinged with a traction rod 13, the other end of the traction rod 13 is hinged with an arc-shaped plate 14, the centrifugal block II 10 moves towards the periphery to enable the traction rod 13 to drive the arc-shaped plate 14 to rotate in a circumferential plane, the area of the discharge hole 15 covered by the arc-shaped plate 14 is changed, the rotating speed of the rotating shaft I2 is faster, the centrifugal force applied to the centrifugal block II 10 is larger, the number of the connected heating resistance wires 12 is higher, the covered area of the discharge hole 15 is reduced, and the rotating speed of the rotating shaft I2 drives the extrusion blades 3 to rotate along with the dropping of the melting of the polypropylene materials from the discharge hole 15 to the middle part of the sprayer shell 1, the molten material is spirally extruded to enter a bottom space, meanwhile, the centrifugal block 6 is subjected to centrifugal force by the rotation of the rotating shaft I2, the centrifugal block I6 moves outwards, the spring I5 is pressed, the blocking block 7 fixedly connected with the bottom end is driven, the blocking block 7 is completely opened to increase the caliber of the material sprayed at the bottom of the spray head, the molten material is extruded out through a spray hole 8 at the bottom of the spray head shell 1, the rotating shaft II 16 rotates in the extrusion process, the rotating teeth 17 fixedly connected with the outer part of the rotating shaft II 16 rotate, the periphery of the rotating teeth 17 is meshed and connected with the toothed rack 18, the toothed rack 18 reciprocates up and down, the supporting rod 19 fixedly connected with the top of the toothed rack 18 reciprocates up and down based on the reciprocating motion of the toothed rack 18, the supporting seat I20 reciprocates up and down, and when the molten material moves up, the two branches of the supporting seat II 22 are hinged with each other through the matching of the connecting rod group I21 and the supporting seat II 22, so that the piston I23 is expanded and extrudes air in a cavity in the upward moving process, when the support seat I20 moves downwards, the spring elastically connected with the two ends of the inner wall of the connecting rod group I21 draws the support seat II 22 to drive the piston I23 to draw in, the molten material is extruded by air pressure in a circulating and reciprocating way, simultaneously, based on the rotation of the rotating shaft II 16, the small end of the cam 24 is in transmission connection with the piston II 26 through the connecting rod group II 25, the piston II 26 is made to extrude the molten material in the liquid cavity 9 in a reciprocating way to assist in extruding the material for the spinneret orifice 8, after the flock spraying is finished, the rotating shaft I2 and the rotating shaft II 16 stop rotating, the centrifugal block I6 and the centrifugal block II 10 are reset under the action of elastic force, the discharge port 15 is completely blocked by the arc-shaped plate 14, the bottom of the nozzle is blocked, the cam 24 rotates downwards by the self gravity of the cam 24, the piston II 26 is driven by the connecting rod group II 25 to press downwards, and the molten material in the liquid cavity 9 and the spinneret orifice 8 is extruded by the gas in the cavity, the material is prevented from being accumulated at the bottom of the spray head and being solidified to block the spray head, and the cost for maintaining the spray head is reduced.

To sum up, this prevent nozzle of spouting of jam based on centrifugal force adjustment, the outside fixedly connected with cam 24 through the pivot two 16, the microcephaly end of cam 24 is connected with piston two 26 through the transmission of connecting rod group two 25, after spouting the fine hair, the shower nozzle bottom is stopped up under the spring action of spring one 5 to centrifugal piece one 6, rely on cam 24 self gravity to make piston two 26 push down and extrude the inside melting material of liquid chamber 9 and spinneret orifice 8, thereby reach the automatic effect of extruding the inside material of spinneret orifice after spouting the fine hair, prevent that the material from solidifying and stopping up spinneret orifice 8 after cooling, improve the automatically cleaning ability of shower nozzle, reduce and change maintenance cost.

In addition, the spray nozzle capable of preventing blockage based on centrifugal force adjustment is characterized in that a first rotating shaft 2 is rotatably connected with a nozzle shell 1, a second centrifugal block 10 is movably connected to the periphery of the top of the first rotating shaft 2, the speed of the spray nozzle is fed back by the second centrifugal block 10, the centrifugal block 10 changes the number of a first contact 11 connected to a heating resistance wire 12 under the action of centrifugal force to change heating temperature, the second centrifugal block 10 is connected with an arc-shaped plate 14 in a transmission mode through a traction rod 13, the arc-shaped plate 14 is located above a discharge port 15, the size of the arc-shaped plate 14 blocking the discharge port 15 is changed by changing the position of the second centrifugal block 10, the discharge amount is increased, the effect of adjusting the heating temperature according to the spray speed is achieved, and product forming quality is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent spouting fine hair shower nozzle of jam based on centrifugal force is adjusted, includes shower nozzle casing (1), its characterized in that: the middle part of the spray head shell (1) is rotatably connected with a first rotating shaft (2), the periphery of the middle part of the first rotating shaft (2) is fixedly connected with an extrusion blade (3), the bottom end of the first rotating shaft (2) is fixedly connected with a T-shaped block (4), one side, close to the first rotating shaft (2), of the T-shaped block (4) is elastically connected with a first centrifugal block (6) through a first spring (5), the bottom end of the first centrifugal block (6) is fixedly connected with a blocking block (7), the bottom end of the spray head shell (1) is provided with a spinneret orifice (8), the bottom of the spray head shell (1) is provided with a liquid cavity (9), the periphery of the top part of the first rotating shaft (2) is movably connected with a second centrifugal block (10), the left end and the right end of the second centrifugal block (10) are fixedly connected with a first contact (11), one side, close to the first contact (11), of the spray head shell (1) is fixedly connected with a heating resistance wire (12), the left end and the right end of the second centrifugal block (10) are connected with an arc-shaped plate (14) through a traction rod (13) in a transmission way, a discharge hole (15) is arranged on one side of the spray head shell (1) close to the arc-shaped plate (14), the left end and the right end of the middle part of the spray head shell (1) are rotationally connected with a second rotating shaft (16), the outer part of the second rotating shaft (16) is fixedly connected with a rotating tooth (17), the periphery of the rotating tooth (17) is meshed with a tooth rack (18), the top end of the tooth rack (18) is fixedly connected with a support rod (19), the top of the support rod (19) is fixedly connected with a first support seat (20), the top of the first support (20) is in transmission connection with a second support (22) through a first connecting rod group (21), the top of the second support (22) is fixedly connected with a first piston (23), the outer part of the second rotating shaft (16) is fixedly connected with a cam (24), the small end of the cam (24) is in transmission connection with a second piston (26) through a second connecting rod group (25); the interior of the spray head shell (1) is hollow, the left end and the right end of the spray head shell (1) are provided with air cavities, and the spray head shell (1) is connected with an air passage of the air cavities through an air duct; the power of the first rotating shaft (2) and the second rotating shaft (16) comes from an external motor, a gap exists between the outside of the T-shaped block (4) and the inside of the sprayer shell (1), a groove is formed in one side, close to the blocking block (7), of the sprayer shell (1), and the outside of the blocking block (7) is matched with the inside of the groove; the liquid cavity (9) is connected with air cavities formed in the left end and the right end of the sprayer shell (1) through air passages, the number of the centrifugal blocks (10) is four, the centrifugal blocks are arranged on the periphery of the rotating shaft I (2) at equal angles, the contact I (11) is in circuit connection with the heating resistance wire (12), and the end part of the traction rod (13) is matched with the interior of the arc-shaped plate (14); the number of teeth of the rotating teeth (17) corresponds to the number of racks inside the rack (18), the rack (18) is movably connected to the left end and the right end of the sprayer shell (1), the support II (22) is formed by hinging two parts of supports, the piston I (23) is fixedly connected to the tops of the two ends of the support II (22) respectively, one side, close to the center, of the connecting rod group I (21) is fixedly connected with a groove and a rod body which are mutually matched, and the inner wall of the connecting rod group I (21) is elastically connected through a spring; the center of the cam (24) is arranged at the small end, the second connecting rod group (25) is composed of two hinged connecting rods, and the outer part of the second piston (26) is matched with the inner parts of air cavities formed at the left end and the right end of the sprayer shell (1).