CN109624203B

CN109624203B - Silica gel nose holds in palm make-up machine

Info

Publication number: CN109624203B
Application number: CN201811559589.3A
Authority: CN
Inventors: 刘铭忠
Original assignee: Ganzhou Tongzhou Plastic Machinery Co ltd
Current assignee: Ganzhou Tongzhou Plastic Machinery Co ltd
Priority date: 2018-12-20
Filing date: 2018-12-20
Publication date: 2020-12-22
Anticipated expiration: 2038-12-20
Also published as: CN109624203A

Abstract

The invention provides a silica gel nose pad forming machine, which belongs to the field of spectacle nose pad production equipment and comprises a frame, an injection molding machine main body and a tail gas treatment system, wherein a screw driven by a first motor is installed in a plasticizing cylinder body of the injection molding machine main body, the left end of the plasticizing cylinder body is connected with an injection head, and a non-return ring is fixedly installed on the screw. Install heater and feeder hopper on the plastify cylinder body outer wall, install the conveyer belt that the surface was equipped with the nose and holds in the palm the mould in the clamping portion of injection molding machine main part, the clamping portion internal fixation has the air cavity, and the air cavity top is equipped with the cooling plate that inside encapsulation has the coolant liquid, has seted up the ventilation hole on the cooling plate. The tail gas treatment system comprises a first fan, a second fan, a cooler and a plurality of tail gas collecting heads, wherein the tail gas collecting heads are respectively installed at the tops of the injection molding part and the die assembly part and are communicated with the first fan, and the first fan, the cooler, the second fan and the air cavity are communicated with each other. The injection molding machine has the advantages of good cooling effect, less pollution in the production process and high quality of the produced nose pads.

Description

Silica gel nose holds in palm make-up machine

Technical Field

The invention relates to the field of production equipment of a nose pad of a pair of glasses, in particular to a silica gel nose pad forming machine.

Background

The nose pad is a part of the frame that supports the bridge of the nose, i.e., a part that supports the bridge of the nose and holds the frame fixed is called a nose pad. The existing nose pad production mainly comprises the steps of injecting liquid silica gel into a nose pad mould by using an injection molding machine and then cooling and molding. However, the cooling process of the existing injection molding machine mostly adopts natural cooling, the cooling effect of the cooling method is general, the working efficiency is low, and the injection molding machine generates more tail gas in the production process, and the tail gas is dispersed, so that the tail gas is often overflowed to influence the working environment of a workshop and the health of operators, and therefore, the existing injection molding machine needs to be improved.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a silica gel nose pad forming machine to solve the problems of poor cooling effect and serious tail gas pollution commonly existing in the conventional injection molding machine.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides a silica gel nose pad forming machine, which comprises a frame, an injection molding machine main body and a tail gas treatment system, wherein the injection molding machine main body is fixedly arranged on the frame and comprises an injection molding part and a mold closing part, the injection molding part and the mold closing part are both of a box-type structure, the injection molding part is positioned on the left side of the mold closing part, a plasticizing cylinder and a first motor are fixedly arranged in the injection molding part, the plasticizing cylinder is fixed in the injection molding part along the left and right sides of the injection molding part, a screw rod is arranged in the plasticizing cylinder along the length direction of the plasticizing cylinder, a plurality of spiral plates are fixedly arranged on the screw rod, the plurality of spiral plates are all arranged on the screw rod along the length direction of the screw rod, the right end of the screw rod penetrates through the end wall of the plasticizing cylinder and is exposed in the plasticizing cylinder, the screw rod exposed out of the plasticizing cylinder is connected with the power output end, the left end of the plasticizing cylinder body is connected with an injection head, the injection head penetrates through the injection molding part and the side wall of the mold closing part and extends into the mold closing part, the center of the left end of the screw rod protrudes leftwards to form a convex cone, one end of the convex cone extends into the injection head, a check ring is fixedly mounted on the screw rod, and the check ring is arranged close to the convex cone; the outer wall of the plasticizing cylinder body is fixedly provided with a plurality of heaters and a feed hopper, the feed hopper is arranged close to the right end of the plasticizing cylinder body, the heaters are arranged far away from the feed hopper, and an inlet of the feed hopper penetrates through the top wall of the injection part and is exposed out of the injection part;

an annular conveying belt is installed in the mold closing part, the conveying belt is arranged in an annular shape on the same horizontal plane and is located below an outlet of the injection head, the conveying belt is driven by a second motor, the second motor is fixed on the rack, a plurality of mold bases are fixed on the conveying belt, a nose support mold is arranged on each mold base, a base band of the conveying belt is hollowed out, an air cavity is fixed in the mold closing part and located at the bottom of the conveying belt, a cooling plate is fixed at the top of the air cavity, a cavity is formed in the cooling plate and filled with cooling liquid, a plurality of ventilation holes are formed in the cooling plate, and the air cavity is communicated with the space above the air cavity through the cooling plate;

the tail gas treatment system comprises a first fan, a second fan, a cooler and a plurality of tail gas collecting heads, wherein the first fan is fixed to the top of the mold closing part, the second fan and the cooler are fixed to the rack, the plurality of tail gas collecting heads are respectively installed on the injection molding part and the top of the mold closing part, the tail gas collecting heads on the mold closing part are communicated with an air inlet of the first fan through a first pipeline, the tail gas collecting heads on the injection molding part are communicated with the first pipeline through a second pipeline, an air outlet of the first fan is communicated with an air inlet of the cooler through a pipeline, an air outlet of the cooler is communicated with an air inlet of the second fan through a pipeline, and an air outlet of the second fan is communicated with the air cavity through a pipeline.

In a preferred technical scheme of the invention, the injection molding device further comprises a feeding device, the top of the feeding device is fixed on the top of the injection molding part, the bottom of the feeding device is fixed on the rack, and an outlet of the feeding device is positioned right above an inlet of the feeding hopper.

In a preferred technical scheme of the invention, a cooling water ring is arranged on the outer wall of the plasticizing cylinder body and is positioned between the feed hopper and the heaters.

In a preferred technical scheme of the present invention, the vent hole is composed of a long tapered hole, a middle through hole and a short tapered hole which are communicated with each other, the long tapered hole, the middle through hole and the short tapered hole are sequentially arranged from top to bottom, and a maximum diameter of the long tapered hole is larger than a maximum diameter of the short tapered hole.

In a preferred technical scheme of the invention, two layers of sieve plates are arranged in the feed hopper, the two layers of sieve plates are fixed in the feed hopper in parallel, and the pore diameter of the sieve plate on the upper layer is larger than that of the sieve plate on the lower layer.

In a preferred technical scheme of the invention, the bottom of each layer of the sieve plate is fixedly provided with a vibrator.

In a preferred embodiment of the present invention, the gas filter further includes a gas filter, and the gas filter is mounted on the first pipe.

In a preferred technical solution of the present invention, the first motor and the second motor are both servo motors.

The invention has the beneficial effects that:

the silica gel nose pad forming machine comprises an injection molding part and a mold closing part, wherein a plastic raw material enters a plasticizing cylinder from a feed hopper, is subjected to hot melting and then is injected onto a nose pad mold of a conveying belt through an injection head, and the conveying belt is annularly arranged, so that the injection molding production can be uninterruptedly carried out, and the production efficiency is higher; tail gas generated in the production process of the injection molding part and the mold closing part enters a tail gas treatment system through a tail gas collecting head and is sent into the air cavity after being cooled by the cooler, the cooled tail gas enters the upper space of the air cavity after being secondarily cooled by the cooling plate at the top of the air cavity and cools the mold on the conveying belt, so that molten plastic in the nose support mold is rapidly cooled, and the quality of the produced nose support is higher; and the tail gas of the injection molding part and the mold closing part is collected and processed by the tail gas collecting head and is filtered by the gas filter, so that the tail gas cannot overflow, the pollution to the environment is less, and the cleanliness of the production environment is higher.

Drawings

Fig. 1 is a schematic structural diagram of a silica gel nose pad forming machine according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a cooling plate according to an embodiment of the present invention;

figure 3 is a schematic view of the installation of the screening deck in the feed hopper.

In the figure:

1. a frame; 2. an injection molding machine main body; 3. a tail gas treatment system; 4. a feeding device; 5. a first motor; 6. a second motor; 7. a conveyor belt; 8. a plasticizing cylinder body; 21. an injection molding part; 22. a mold closing part; 31. a tail gas collection head; 32. a first fan; 33. a gas filter; 34. a cooler; 35. a second fan; 36. a first conduit; 37. a second conduit; 71. a die holder; 72. a nose pad mold; 81. a heater; 82. an injection head; 83. a convex cone; 84. a non-return ring; 85. a screw; 86. cooling the water ring; 87. a feed hopper; 88. a spiral plate; 221. a cooling plate; 222. an air cavity; 223. a vent hole; 871. a sieve plate; 872. a vibrator; 2212. a cavity; 2231. a long tapered hole; 2232. a middle through hole; 2233. a short tapered hole.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1 to 3, the invention discloses a silica gel nose pad forming machine, which comprises a frame 1, an injection molding machine main body 2 and a tail gas treatment system 3, wherein the injection molding machine main body 2 is fixedly installed on the frame 1, the injection molding machine main body 2 comprises an injection molding part 21 and a mold closing part 22, the injection molding part 21 and the mold closing part 22 are both of a box-type structure, the injection molding part 21 is positioned on the left side of the mold closing part 22, a plasticizing cylinder 8 and a first motor 5 are fixedly installed in the injection molding part 21, the plasticizing cylinder 8 is fixed in the injection molding part 21 along the left and right sides of the injection molding part 21, a screw 85 is installed in the plasticizing cylinder 8 along the length direction of the plasticizing cylinder 8, a plurality of spiral plates 88 are fixedly arranged on the screw 85, and a plurality of spiral plates 88 are all arranged on the screw 85 along the length direction of the screw 85, the right end of the screw 85 penetrates through the end wall of the plasticizing cylinder 8 and is exposed in the plasticizing cylinder 8, the screw 85 exposed out of the plasticizing cylinder 8 is connected with the power output end of the first motor 5, the left end of the plasticizing cylinder 8 is connected with an injection head 82, the injection head 82 penetrates through the injection part 21 and the side wall of the mold closing part 22 and extends into the mold closing part 22, the center of the left end of the screw 85 protrudes leftwards to form a convex cone 83, one end of the convex cone 83 extends into the injection head 82, a non-return ring 84 is fixedly mounted on the screw 85, and the non-return ring 84 is arranged close to the convex cone 83; a plurality of heaters 81 and feed hoppers 87 are fixedly mounted on the outer wall of the plasticizing cylinder 8, the feed hoppers 87 are arranged close to the right end of the plasticizing cylinder 8, more specifically, the feed hoppers 87 are communicated with the inside of the plasticizing cylinder 8, plastic raw materials enter the plasticizing cylinder 8 through the feed hoppers 87 and are melted in the plasticizing cylinder 8, the heaters 81 are arranged far away from the feed hoppers 87, and the inlets of the feed hoppers 87 penetrate through the top wall of the injection part 21 and are exposed out of the injection part 21;

an annular conveying belt 7 is installed in the mold closing part 22, the conveying belt 7 is arranged in an annular shape on the same horizontal plane and is located below an outlet of the injection head 82, the conveying belt 7 is driven by a second motor 6, the second motor 6 is fixed on the frame 1, a plurality of mold bases 71 are fixed on the conveying belt 7, a nose support mold 72 is arranged on each mold base 71, a base band of the conveying belt 7 is arranged in a hollow manner, an air cavity 222 is fixed in the mold closing part 22, the air cavity 222 is located at the bottom of the conveying belt 7, a cooling plate 221 is fixed at the top of the air cavity 222, more specifically, the cooling plate 221 can be fixed in the mold closing part 22 in a welding manner, the air cavity 222 is formed by the cooling plate 221 and the peripheral wall of the mold closing part 22 below the cooling plate 221, a cavity 2212 is arranged in the cooling plate 221, and cooling liquid is sealed in the cavity 2212, a plurality of vent holes 223 are formed in the cooling plate 221, and further, the vent holes 223 are formed by long tapered holes 2231, middle through holes 2232 and short tapered holes 2233 which are communicated with each other, the long tapered holes 2231, the middle through holes 2232 and the short tapered holes 2233 are sequentially arranged from top to bottom, and the maximum diameter of the long tapered holes 2231 is greater than that of the short tapered holes 2233. The air vents 223 have the function of air equalization, after cold air in the air cavity 222 enters the space above the cooling plate 221 through the air vents 223, the air flow becomes gentle and more uniform, so that the nose pad mold 72 on the conveyor belt 7 can be cooled more comprehensively, and the air cavity 222 is communicated with the space above the air cavity 222 through the cooling plate 221;

the tail gas treatment system 3 comprises a first fan 32, a second fan 35, a cooler 34 and a plurality of tail gas collecting heads 31, the first fan 32 is fixed on the top of the mold closing part 22, the second fan 35 and the cooler 34 are both fixed on the frame 1, the plurality of tail gas collecting heads 31 are respectively installed on the top of the injection molding part 21 and the mold closing part 22, the tail gas collecting heads 31 on the mold closing part 22 are communicated with the air inlet of the first fan 32 through a first pipeline 36, the tail gas collecting heads 31 on the injection molding part 21 are communicated with the first pipeline 36 through a second pipeline 37, the air outlet of the first fan 32 is communicated with the air inlet of the cooler 34 through a pipeline, the air outlet of the cooler 34 is communicated with the air inlet of the second fan 35 through a pipeline, the air outlet of the second fan 35 is communicated with the air cavity 222 through a pipeline, during operation, the first fan 32 is started, and the tail gas generated in the injection molding part 21 and the mold closing part 22 is sucked and sent to the cooler 34 for cooling through the plurality of tail gas collecting heads 31, and the cooled tail gas is sent to the air cavity 222 for cooling the nose pad mold 72.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The silica gel nose pad forming machine comprises the injection molding part 21 and the mold closing part 22, plastic raw materials enter the plasticizing cylinder 8 from the feed hopper 87, are subjected to hot melting by the heater 81 and then are injected onto the nose pad mold 72 of the conveying belt 7 through the injection head 82, and the conveying belt 7 is arranged annularly, so that the injection molding production can be carried out uninterruptedly, and the production efficiency is higher; tail gas generated in the production process of the injection molding part 21 and the mold closing part 22 enters the tail gas treatment system 3 through the tail gas collecting head 31, and is sent into the air cavity 222 after being cooled by the cooler 34, the cooled tail gas enters the mold closing part 22 at the upper part of the air cavity 222 after being secondarily cooled by the cooling plate 221 at the top of the air cavity 222, and the nose support mold 72 on the conveying belt 7 is cooled, so that molten plastic in the nose support mold 72 is rapidly cooled, and the quality of the produced nose support is higher; and the tail gas of the injection molding part 21 and the mold closing part 22 is collected and processed by the tail gas collecting head 31 and filtered by the gas filter 33, so that the tail gas cannot overflow, the pollution to the environment is less, and the cleanliness of the production environment is higher.

More specifically, the material enters the plasticizing cylinder 8 through the feed hopper 87, the first motor 5 is started and drives the screw 85 to rotate, and the spiral plate 88 pushes the material in the plasticizing cylinder 8 to advance. The heater 81 fixed on the outer wall of the plasticizing cylinder 8 is started to work, heat is transferred to the material in the plasticizing cylinder 8 through the outer wall of the plasticizing cylinder 8, the solid material is plasticized and melted under the dual actions of external heating and the rotation and shearing of the screw 85, the melt pushes away the non-return ring 84, flows into the injection head 82 through the channel around the convex cone 83, and is injected into the nose support mold 72 on the conveying belt 7 of the mold closing part 22 through the injection head 82, and the injection molding process is completed. Because the conveyer belts 7 are arranged in an annular shape on the same horizontal plane, the injection molding production can be carried out uninterruptedly, and the production efficiency is higher. In the production process, more exhaust gas is generated in the injection molding part 21 and the mold closing part 22, and the exhaust gas overflows into a production workshop to influence the production environment if the exhaust gas is not collected and intensively treated. In the design, the tail gas generated by the injection molding part 21 and the mold closing part 22 is collected by the plurality of tail gas collecting heads 31, purified by the tail gas processor and then sent to the cooler 34 for cooling, the cooled tail gas is sent to the air cavity 222 and then enters the space above the cooling plate 221 through the cooling plate 221 to cool the mold on the conveying belt 7, so that the cooling quality of the nose pad mold 72 is higher, and the quality of the produced nose pad is better. And the tail gas is collected and recycled by the tail gas collecting head 31, so that the overflow of the tail gas is reduced, the influence of the tail gas on the environment in the injection molding process is reduced, and the production environment is cleaner.

Further, the injection molding machine further comprises a feeding device 4, the top of the feeding device 4 is fixed on the top of the injection molding part 21, the bottom of the feeding device 4 is fixed on the rack 1, and an outlet of the feeding device 4 is positioned right above an inlet of the feeding hopper 87; more specifically, loading attachment 4 can adopt the spiral feeder of selling on the market, loading attachment 4 automatic feeding has reduced artifical material loading's intensity of labour, makes the material loading more convenient, and efficiency is higher.

Further, a cooling water ring 86 is installed on the outer wall of the plasticizing cylinder 8, and the cooling water ring 86 is located between the feed hopper 87 and the plurality of heaters 81; the cooling water ring 86 is right the plasticization cylinder body 8 plays the cooling effect, reduces the poor heat process of giving birth to of heater 81 the plasticization cylinder body 8 outer wall transmits the feeder hopper 87 with the junction of plasticization cylinder body 8 makes the raw materials melting of feeder hopper 87 the inside, and then the influence the normal feeding of feeder hopper 87.

Furthermore, two layers of sieve plates 871 are arranged in the feed hopper 87, the two layers of sieve plates 871 are fixed in the feed hopper 87 in parallel, and the pore diameter of the sieve plate 871 at the upper layer is larger than that of the sieve plate 871 at the lower layer; two-layer be provided with the sieve mesh that the aperture size is not the same on the sieve 871 to effectively screen the raw materials, guarantee the original purity of plastics.

Further, a vibrator 872 is fixedly arranged at the bottom of each layer of the sieve plates 871; the vibrator 872 plays a role in vibration and drives the sieve plate 871 to vibrate, so that the plastic raw materials can better pass through the sieve plate 871.

Further, a gas filter 33 is also included, the gas filter 33 is mounted on the first pipe 36; the gas filter 33 filters the tail gas extracted from the injection molding part 21 and the mold closing part 22, so that the tail gas is purified and then sent into the cooler 34 for cooling, and the influence of excessive impurities in the tail gas on the normal operation of the cooler 34 is avoided.

Further, the first motor 5 and the second motor 6 are both servo motors; the servo motor has the advantages of very accurate control speed and position precision, and can be used for quickly and accurately starting and stopping the conveying belt 7 and the screw rod 85, so that the injection molding production process is higher in efficiency.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. A silica gel nose holds in palm make-up machine which characterized in that:

including frame (1), injection molding machine main part (2) and tail gas processing system (3), injection molding machine main part (2) fixed mounting be in on frame (1), injection molding machine main part (2) are including the portion of moulding plastics (21) and die assembly portion (22), the portion of moulding plastics (21) and die assembly portion (22) are box structure just the portion of moulding plastics (21) are located the left side of die assembly portion (22), fixed mounting has plastify cylinder body (8) and first motor (5) in the portion of moulding plastics (21), plastify cylinder body (8) are followed the left and right sides direction of the portion of moulding plastics (21) is fixed in the portion of moulding plastics (21), follow in plastify cylinder body (8) the length direction of plastify cylinder body (8) installs screw rod (85), fixed being equipped with polylith spiral plate (88) on screw rod (85), the polylith spiral plate (88) all follow the length direction of screw rod (85) sets up on screw rod (85), the right end of the screw rod (85) penetrates through the end wall of the plasticizing cylinder body (8) and is exposed in the plasticizing cylinder body (8), the screw rod (85) exposed out of the plasticizing cylinder body (8) is connected with the power output end of the first motor (5), the left end of the plasticizing cylinder body (8) is connected with an injection head (82), the injection head (82) penetrates through the injection molding part (21) and the side wall of the mold closing part (22) and extends into the mold closing part (22), the center of the left end of the screw rod (85) protrudes leftwards to form a convex cone (83), one end of the convex cone (83) extends into the injection head (82), a non-return ring (84) is fixedly mounted on the screw rod (85), and the non-return ring (84) is arranged close to the convex cone (83); the outer wall of the plasticizing cylinder body (8) is fixedly provided with a plurality of heaters (81) and a feed hopper (87), the feed hopper (87) is close to the right end of the plasticizing cylinder body (8), the heaters (81) are far away from the feed hopper (87), and the inlet of the feed hopper (87) penetrates through the top wall of the injection molding part (21) and is exposed out of the injection molding part (21);

an annular conveying belt (7) is installed in the mold closing part (22), the conveying belt (7) is arranged on the same horizontal plane in an annular mode and located below an outlet of the injection head (82), the conveying belt (7) is driven by a second motor (6), the second motor (6) is fixed to the rack (1), a plurality of mold bases (71) are fixed to the conveying belt (7), a nose support mold (72) is arranged on each mold base (71), a base band of the conveying belt (7) is arranged in a hollow-out mode, an air cavity (222) is fixed to the mold closing part (22), the air cavity (222) is located at the bottom of the conveying belt (7), a cooling plate (221) is fixed to the top of the air cavity (222), a cavity (2212) is arranged in the cooling plate (221), cooling liquid is sealed in the cavity (2212), and a plurality of vent holes (223) are formed in the cooling plate (221), the air cavity (222) is communicated with the space above the air cavity (222) through the cooling plate (221); the vent hole (223) is composed of a long conical hole (2231), a middle through hole (2232) and a short conical hole (2233) which are communicated with each other, the long conical hole (2231), the middle through hole (2232) and the short conical hole (2233) are sequentially arranged from top to bottom, and the maximum diameter of the long conical hole (2231) is larger than the maximum diameter of the short conical hole (2233);

the tail gas treatment system (3) comprises a first fan (32), a second fan (35), a cooler (34) and a plurality of tail gas collecting heads (31), wherein the first fan (32) is fixed at the top of the mold closing part (22), the second fan (35) and the cooler (34) are fixed on the rack (1), the plurality of tail gas collecting heads (31) are respectively installed at the top of the injection molding part (21) and the mold closing part (22), the tail gas collecting heads (31) on the mold closing part (22) are communicated with the air inlet of the first fan (32) through first pipelines (36), the tail gas collecting heads (31) on the injection molding part (21) are communicated with the first pipelines (36) through second pipelines (37), and the air outlet of the first fan (32) is communicated with the air inlet of the cooler (34) through a pipeline, the air outlet of the cooler (34) is communicated with the air inlet of the second fan (35) through a pipeline, and the air outlet of the second fan (35) is communicated with the air cavity (222) through a pipeline.

2. The silica gel nose pad forming machine according to claim 1, characterized in that:

still include loading attachment (4), loading attachment (4) top is fixed portion of moulding plastics (21) top, bottom are fixed on frame (1), the export of loading attachment (4) is located directly over the entry of feeder hopper (87).

3. The silica gel nose pad forming machine according to claim 1, characterized in that:

install cooling water circle (86) on the plastify cylinder body (8) outer wall, cooling water circle (86) are located feeder hopper (87) and a plurality of between heater (81).

4. The silica gel nose pad forming machine according to claim 1, characterized in that:

install two-layer sieve (871) in feeder hopper (87), it is two-layer sieve (871) are fixed in feeder hopper (87) in parallel, and the upper strata the mesh aperture of sieve (871) is greater than the lower floor the mesh aperture of sieve (871).

5. The silica gel nose pad forming machine according to claim 4, characterized in that:

and the bottom of each layer of the sieve plate (871) is fixedly provided with a vibrator (872).

6. The silica gel nose pad forming machine according to claim 1, characterized in that:

further comprising a gas filter (33), said gas filter (33) being mounted on said first duct (36).

7. The silica gel nose pad forming machine according to claim 1, characterized in that:

the first motor (5) and the second motor (6) are both servo motors.