CN113119388A

CN113119388A - Rapid forming equipment for animation derivatives

Info

Publication number: CN113119388A
Application number: CN202110447861.4A
Authority: CN
Inventors: 王玮璐
Original assignee: Hunan Industry Polytechnic
Current assignee: Hunan Industry Polytechnic
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-07-16
Anticipated expiration: 2041-04-25
Also published as: CN113119388B

Abstract

The invention discloses fast molding equipment for cartoon derivatives, which comprises a base and an extrusion pipe assembly, wherein a disc-shaped base is rotatably provided with an expected concentric annular turntable, a plurality of mold chucks are uniformly distributed on the circumference of the upper surface of the annular turntable, and a driving device for driving the annular turntable to rotate is arranged in the base; the central opening part of the annular turntable is provided with a central upright post fixedly connected with the base, the side surface of the central upright post is uniformly distributed with a plurality of side guide rails, each side guide rail is internally matched with an extrusion driving assembly in a sliding connection mode, and each extrusion driving assembly can drive a plurality of extrusion pipe assemblies connected through a position adjusting assembly below the extrusion driving assembly to extrude rubber solution. Compared with the prior art, the invention can be suitable for a multi-injection-hole die with a complex structure, has high raw material heating speed and uniform heating, reduces the phenomena of material shortage and air holes of a finished product, and ensures the quality of the finished product.

Description

Rapid forming equipment for animation derivatives

Technical Field

The invention relates to the technical field of forming equipment, in particular to rapid forming equipment for animation derivatives.

Background

The cartoon derivatives are simply a series of services or products which are developed and manufactured by original figure images in cartoons, online games and hand games through the elaborate design of professional designers.

The animation models such as hands, toys and the like are main derivatives around the animation, and are injected into a mold for injection molding after being heated and melted by materials such as plastics, rubber, resin and the like in an injection molding machine in the production process, but because the shapes of the animation derivatives such as characters, props and the like are often complex and the complexity is very similar to that of plastic living goods, the existing molding equipment cannot be well suitable for producing the animation derivatives;

in the prior art, because a mold used by injection molding equipment cannot be too complex, and the internal space cannot be changed too much, the animation derivatives need to be split into a plurality of parts to be spliced together after being subjected to injection molding respectively, a large amount of manpower is consumed, the production cost is high, and the product can have seams, the attractiveness is affected, and the product is easy to damage.

In the prior art, according to the molding of the animation derivatives, a plurality of injection molding holes are formed in the mold, the parts with large differences are respectively injected and finally integrated in the mold, so that the animation derivatives can be rapidly molded, splicing is reduced, and the appearance is good. However, the separate injection molding in the mold may cause inconsistent liquid temperature in the mold, insufficient and uniform mixing, easy generation of air holes and faults, low yield, difficult operation, and low production efficiency.

Therefore, there is a need to provide a device for quickly forming an animation derivative, so as to solve the problems of the background art.

Disclosure of Invention

In order to achieve the purpose, the invention provides the following technical scheme: a fast forming device for cartoon derivatives comprises a base and an extrusion pipe assembly, wherein a disc-shaped base is rotatably provided with an expected concentric annular turntable, a plurality of mold chucks are uniformly distributed on the circumference of the upper surface of the annular turntable, and a driving device for driving the annular turntable to rotate is arranged in the base;

a central upright column fixedly connected with the base is arranged at the central opening of the annular turntable, a plurality of side guide rails are uniformly distributed on the side surface of the central upright column, an extrusion driving assembly is connected in each side guide rail in a sliding manner in a matching manner, and the position right below the center of the extrusion driving assembly corresponds to the center of the mold chuck;

each extrusion driving assembly can drive a plurality of extrusion pipe assemblies connected through the position adjusting assembly below the extrusion driving assembly to extrude the rubber solution.

Further, preferably, the extrusion driving assembly comprises a protective cover and a slide way, the protective cover is a cavity with an opening at the lower part, the slide way is fixed at one side of the protective cover close to the central upright post, and the slide way is in sliding connection with the side guide rail in a matching way;

a position adjusting assembly is linked below the protective cover;

the top of the protective cover is provided with a screw nut, a screw rod is connected in the screw nut in a matching way, the screw rod penetrates through the upper surface of the base to enter the base, and a driving device for driving the base to rotate is arranged in the base;

and a fixed support rotatably connected with the screw rod of the screw rod is arranged at the corresponding position of the side surface of the central upright post.

Further, as a preferred option, the extrusion driving assembly further comprises a driving motor, the top of the protective cover is fixed with the driving motor, an output shaft of the driving motor is connected with a driving gear in the protective cover, the periphery of the driving gear is kneaded with a plurality of driven gear assemblies, the driven gear assemblies are fixedly connected with a vertical driving rod, and the vertical driving rod is rotatably connected with the protective cover.

Further, preferably, the position adjusting assembly comprises a positioning frame, the positioning frame is an annular frame, the upper part of the positioning frame is fixedly connected with the lower part of the protective cover, and a sliding groove is formed in the lower part of the positioning frame;

a plurality of connecting rods are connected in the sliding groove of the positioning frame in a matching and sliding manner, and the connecting rods are connected with the positioning frame through set screws and can be fastened by screwing the set screws;

each connecting rod is connected with the extrusion pipe assembly in a manner of sliding up and down, and the extrusion pipe assembly can be fastened into the connecting rod;

the extrusion pipe assembly connected in the positioning frame is in driving connection with the vertical driving rod through a telescopic universal joint.

Further, preferably, the driven gear assembly comprises a gear ring and a ratchet, the gear ring is rotatably connected with the vertical driving rod, the gear ring is rotatably connected with the upper part in the protective cover, and the gear ring is kneaded with the driving gear;

a ratchet groove recessed into the gear ring is formed in the gear ring, a circle of fixed disc is fixed in a vertical driving rod in the ratchet groove, a plurality of ratchets corresponding to the ratchet grooves are distributed on the surface circumference of the fixed disc in a rotatable mode, and the ratchets are located in the ratchet grooves;

a torsion spring is arranged in a connecting shaft of the ratchet and the fixed disc and provides a force for enabling the ratchet to rotate to be attached to the ratchet groove;

the fixed disc between the adjacent ratchets is fixed with a convex connecting stop block, one surface of each connecting stop block close to the inner side of the ratchet is fixed with an electromagnet, and when the electromagnet is electrified, the electromagnet provides magnetic force which enables the ratchets to overcome the elasticity of the torsion spring and rotate to be separated from the ratchet groove.

Further, as preferred, extrude the pipe subassembly including interior extrusion pipe, interior extrusion pipe end is the discharge gate of conical surface, interior extrusion pipe fit in is equipped with the extrusion screw, the top of extruding the screw is the articulated joint, the articulated joint is articulated with flexible universal joint.

Further, preferably, an electromagnetic coil is wound in the outer wall of the inner extrusion pipe, and high-frequency alternating current is supplied to the electromagnetic coil to generate electromagnetic induction with the inner extrusion pipe and the extrusion screw, so that eddy current is generated, and joule heating of metal is caused by resistance.

Further, preferably, an outer shielding pipe is sleeved outside the inner extrusion pipe and the electromagnetic coil, the outer shielding pipe is fixedly connected with the inner extrusion pipe, and the outer shielding pipe is made of an insulating shielding material;

the outer shielding pipe is connected with the vertical driving rod;

the outer shielding tube is close to the position of the hinged joint and is provided with a feed inlet penetrating into the inner extrusion tube.

Further, as preferred, the extrusion screw includes the screw body, the part of the screw body in the inner extrusion pipe increases from being close to the hinged joint to being close to the direction diameter of the discharge gate, the screw body is provided with helical blade outside, and the helical blade is attached to the inner wall of the inner extrusion pipe.

Further, as a preferred option, a heating pipe is embedded in a position close to the surface in the screw rod body, and the heating pipe is made of a high-permeability material and can generate heat due to the loss of the magnetic hysteresis phenomenon caused by the induction with the electromagnetic coil due to the high permeability, so that the screw rod body is heated more efficiently.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the driving motor can simultaneously drive all the vertical driving rods connected with the driving motor and drive each extrusion pipe assembly through the transmission of the telescopic universal joint, so that the extrusion pipe assemblies can simultaneously extrude rubber liquid to be uniformly injected into a mold, the rubber liquid injection mold can be suitable for a multi-injection-hole mold with a complex structure, and the phenomena of material shortage and air holes of a finished product are reduced;

and can control the operation or stop of extruding the pipe assembly through the electro-magnet to can select the quantity of extruding the pipe assembly operation according to the quantity of the filling hole of mould, avoid extravagant drive power, and, can also be according to different mould positions, the rubber liquid injection volume of every filling hole is controlled, prevent that the position rubber injection volume that the mould capacity is less is too much or the position rubber injection volume that the capacity is great is not enough.

In the invention, in the inner extrusion pipe, high-frequency alternating current is introduced into the electromagnetic coil to perform electromagnetic induction with the inner extrusion pipe and the extrusion screw to generate eddy current, and joule heating of metal is caused due to resistance, so that rubber particles in the inner extrusion pipe are heated, and the heating pipe is made of a high-permeability material, so that extra heat can be generated due to loss of magnetic hysteresis caused by induction with the electromagnetic coil due to the large permeability, the heating speed is high, the raw material is uniformly heated, the generation of bubbles can be reduced, and the quality of a finished product is ensured.

And, the space that forms between helical blade and the screw rod body diminishes from feeding 5 to the discharge gate gradually to the clearance after the compression rubber granule melts avoids rubber liquid to produce cavity and bubble, provides crescent pressure.

Drawings

FIG. 1 is a schematic structural view of a rapid prototyping apparatus for animation derivatives;

FIG. 2 is a schematic view of an extrusion driving assembly and a position adjusting assembly of a rapid prototyping apparatus for animation derivatives;

FIG. 3 is a schematic view of a driven gear assembly of the rapid prototyping apparatus for animation derivatives;

FIG. 4 is a schematic view of an extrusion tube assembly of a rapid prototyping apparatus for animation derivatives;

FIG. 5 is a schematic view of the internal structure of an extrusion screw of a rapid molding apparatus for a cartoon derivative;

in the figure: 1. a base; 2. an annular turntable; 3. a mold chuck; 4. a central upright post; 5. a side rail; 6. an extrusion drive assembly; 7. a position adjustment assembly; 8. extruding a tube assembly; 9. a lead screw rod; 10. a fixed support; 11. a lead screw nut; 61. a protective cover; 62. a slideway; 63. a drive motor; 64. a driving gear; 65. a driven gear assembly; 66. a vertical drive rod; 67. a telescopic universal joint; 651. a gear ring; 652. a ratchet groove; 653. connecting a stop block; 654. a ratchet; 655. an electromagnet; 656. fixing the disc; 71. a positioning frame; 72. a connecting rod; 73. tightening the screw; 81. an inner extruded tube; 82. extruding a screw; 83. an electromagnetic coil; 84. an outer shielding tube; 85. a feed inlet; 86. a hinge joint; 821. a screw rod body; 822. a helical blade; 823. heating the tube.

Detailed Description

Referring to fig. 1, in an embodiment of the present invention, an apparatus for quickly forming an animation derivative is provided. The extrusion die comprises a base 1 and an extrusion tube assembly 8, wherein a disc-shaped base 1 is rotatably provided with an expected concentric annular turntable 2, a plurality of die chucks 3 are uniformly distributed on the circumference of the upper surface of the annular turntable 2, and a driving device for driving the annular turntable 2 to rotate is arranged in the base 1;

the central opening part of annular turntable 2 is equipped with central column 4 with base 1 fixed connection, the side evenly distributed of central column 4 has many side rails 5, every cooperation sliding connection has extrusion drive assembly 6 in the side rail 5, just, extrude the position that corresponds mould chuck 3 center under drive assembly 6 center, as preferred, the quantity of mould chuck 3 with extrude drive assembly 6 quantity and be the multiple relation.

Every extrude drive assembly 6 and can drive and extrude rubber solution through many extrusion tube subassemblies 8 that position adjustment subassembly 7 below connects, extrude rubber solution through many extrusion tube subassemblies 8, can pour into the mould in many injection holes simultaneously to ensure to fill comparatively complicated mould, reduce the bubble, reduce the failure rate.

Referring to fig. 2, in the present embodiment, the extrusion driving assembly 6 includes a protective cover 61 and a slide way 62, where the protective cover 61 is a cavity with an opening at the lower part (for convenience of viewing, a part of the side surface of the protective cover is omitted in fig. 2), the slide way 62 is fixed at a side close to the central upright 4, and the slide way 62 is in sliding connection with the side rail 5;

a position adjusting assembly 7 is linked below the protective cover 61;

the top of the protective cover 61 is provided with a screw nut 11, a screw rod 9 is connected in the screw nut 11 in a matching manner, the screw rod 9 penetrates through the upper surface of the base 1 to enter the base, and a driving device for driving the base 1 to rotate is arranged in the base;

and, the corresponding position of the side of the central upright post 4 is provided with a fixed support 10 which is rotatably connected with a screw rod 9, the screw rod 9 is driven to rotate, and a protective cover 61 can be driven by a screw rod nut 11 to move up and down along the side guide rail 5 so as to be matched with an injection hole corresponding to the extrusion pipe assembly 8 to be inserted into a mold.

In this embodiment, the extrusion driving assembly 6 further includes a driving motor 63, the driving motor 63 is fixed on the top of the protective cover 61, an output shaft of the driving motor 63 is connected to a driving gear 64 inside the protective cover 61, the driving gear 64 is circumferentially engaged with a plurality of driven gear assemblies 65, the driven gear assemblies 65 are connected to a vertical driving rod 66, and the vertical driving rod 66 is rotatably connected to the protective cover 61 (the connection part is omitted in fig. 2).

In this embodiment, the position adjusting assembly 7 includes a positioning frame 71, the positioning frame 71 is an annular frame, the upper portion of the positioning frame 71 is fixedly connected with the lower portion of the protecting cover 61, and a sliding groove is formed in the lower portion of the positioning frame;

a plurality of connecting rods 72 are connected in the sliding grooves of the positioning frame 71 in a matching and sliding manner, the connecting rods 72 are connected with the positioning frame 71 through set screws 73, and the connecting rods 72 can be fastened by tightening the set screws 73;

each of the connecting rods 72 is connected with the extrusion pipe assembly 8 in a manner of sliding up and down, and the extrusion pipe assembly 8 can be fastened into the connecting rod 72;

the vertical driving rod 66 is in driving connection with the extrusion pipe assembly 8 connected in the positioning frame 71 through a telescopic universal joint 67;

that is, all the vertical driving rods 66 connected thereto can be simultaneously driven by the driving motor 63 and driven by the telescopic universal joint 67 to drive each extrusion pipe assembly 8, so that the extrusion pipe assemblies 8 can simultaneously extrude rubber liquid to be uniformly injected into the mold, and the mold of different injection holes can be matched by adjusting the position of the connecting rod 72 in the positioning frame 71 and the height position of the extrusion pipe assembly 8 in the connecting rod 72, thereby improving the applicability thereof.

Referring to fig. 3, in the present embodiment, the driven gear assembly 65 includes a gear ring 651 and a ratchet 654, the gear ring 651 is rotatably connected to the vertical driving rod 66, the gear ring 651 is rotatably connected to the upper portion of the inside of the protecting cover 61, and the gear ring 651 is engaged with the driving gear 64;

a ratchet groove 652 recessed in the gear ring 651 is formed in the gear ring 651, a fixed disk 656 is fixed in the vertical driving rod 66 in the ratchet groove 652, a plurality of ratchet teeth 654 corresponding to the ratchet groove 652 are distributed on the surface circumference of the fixed disk 656 in a rotatable manner, and the ratchet teeth 654 are positioned in the ratchet groove 652;

a torsion spring is arranged in the connecting shaft of the ratchet 654 and the fixed disc 656, and the torsion spring provides force for enabling the ratchet 654 to rotate to be attached to the ratchet groove 652;

convex connection stoppers 653 are fixed on the fixed plates 656 between the adjacent ratchet teeth 654, an electromagnet 655 is fixed on one surface of each connection stopper 653 close to the inner side of the ratchet tooth 654, and when the electromagnet 655 is electrified, the electromagnet provides magnetic force which enables the ratchet tooth 654 to rotate to be separated from the ratchet groove 652 against the elastic force of the torsion spring;

that is, when electromagnet 655 is de-energized, the torsion spring causes ratchet teeth 654 to rotate into engagement with ratchet grooves 652, causing gear ring 651, driven by primary gear 64, to transmit torque through ratchet teeth 654 to vertical drive rod 66, thereby causing vertical drive rod 66 to drive the operation of extrusion tube assembly 8;

on the contrary, when the electromagnet 655 is electrified, the ratchet 654 is separated from the ratchet groove 652, the gear ring 651 driven by the driving gear 64 idles, and the corresponding extrusion tube assembly 8 stops running;

the operation or stop of the extrusion pipe assembly 8 is controlled by the electromagnet 655, so that the number of the operation of the extrusion pipe assembly 8 can be selected according to the number of the injection holes of the die, the waste of driving force is avoided, the injection amount of the rubber liquid in each injection hole can be controlled according to different die parts, and the excessive injection amount of the rubber at the part with small capacity of the die or the insufficient injection amount of the rubber at the part with large capacity is prevented.

Referring to fig. 4, in this embodiment, the extrusion tube assembly 8 includes an inner extrusion tube 81, a discharge port of a conical surface is formed at the tail end of the inner extrusion tube 81, an extrusion screw 82 is cooperatively disposed in the inner extrusion tube 81, a hinge joint 86 is formed at the uppermost end of the extrusion screw 82, and the hinge joint 86 is hinged to the telescopic universal joint 67.

In this embodiment, the electromagnetic coil 83 is wound in the outer wall of the inner extrusion pipe 81, and high-frequency alternating current is supplied to the electromagnetic coil 83 to generate electromagnetic induction with the inner extrusion pipe 81 and the extrusion screw 82, so as to generate eddy current, which causes joule heating of metal due to resistance, thereby heating rubber particles in the rubber particles, melting the rubber particles into liquid, and extruding the liquid into a die.

In this embodiment, an outer shielding tube 84 is sleeved outside the inner extrusion tube 81 and the electromagnetic coil 83, the outer shielding tube 84 is fixedly connected with the inner extrusion tube 81, and the outer shielding tube 84 is made of an insulating shielding material;

the outer shielding tube 84 is connected to the vertical drive rod 66;

the outer shielding tube 84 is provided with a feed inlet 85 penetrating into the inner extrusion tube 81 at a position close to the hinge joint 86.

Referring to fig. 5, in the present embodiment, the extrusion screw 82 includes a screw rod body 821, a diameter of a portion of the screw rod body 821 in the inner extrusion pipe 81 increases from a direction close to the hinge joint 86 to a direction close to the discharge port, a helical blade 822 is arranged outside the screw rod body 821, and the helical blade 822 is attached to an inner wall of the inner extrusion pipe 81;

that is, in the inner extrusion pipe 81, a space formed between the spiral blade 822 and the screw rod body 821 is gradually reduced from the feed port 85 to the discharge port to compress a gap after the rubber particles are melted, prevent the rubber liquid from generating a cavity and bubbles, and provide a gradually increased pressure.

In this embodiment, a heating pipe 823 is embedded in a position close to the surface in the screw rod body 821, and the heating pipe 823 is made of a high-permeability material, and can generate heat due to the loss of a magnetic hysteresis phenomenon caused by induction with the electromagnetic coil 83 due to the high permeability of the material, so that the screw rod body 821 is heated more efficiently.

In specific implementation, a plurality of prepared dies are sequentially placed into each die chuck 3 for fixing, the position of the connecting rod 72 in the positioning frame 71 and the height of the extrusion tube assembly 8 in the connecting rod 72 are adjusted, so that the discharge port of the extrusion tube assembly 8 of the die is aligned to the injection hole of the die in a matching manner;

the screw rod screw 9 is driven to rotate so as to move the extrusion driving assembly 6 downwards to enable the discharge port of the extrusion pipe assembly 8 to be inserted into the injection hole of the mold, the driving motor 63 simultaneously drives all the vertical driving rods 66 connected with the driving motor and drives each extrusion pipe assembly 8 through the transmission of the telescopic universal joint 67, so that the extrusion pipe assemblies 8 can simultaneously extrude rubber liquid to be uniformly injected into the mold;

wherein, can control the operation of extruding the pipe assembly or stop through the electro-magnet to can select the quantity of extruding the pipe assembly operation according to the quantity of the filling hole of mould, avoid extravagant drive power, and, can also be according to different mould positions, the rubber liquid injection volume of every filling hole of control prevents that the less position rubber injection volume of mould capacity is too much or the great position rubber injection volume of capacity is not enough.

In the inner extrusion pipe 81, high-frequency alternating current is introduced to the electromagnetic coil 83, so that electromagnetic induction can be generated between the inner extrusion pipe 81 and the extrusion screw 82, eddy current is generated, joule heating of metal is caused due to resistance, and rubber particles in the inner extrusion pipe are heated;

moreover, the space formed between the helical blade 822 and the screw rod body 821 is gradually reduced from the feed port 85 to the discharge port so as to compress the gap after the rubber particles are melted, avoid the generation of cavities and bubbles in the rubber liquid and provide gradually increased pressure;

after the glue injection of the mold is completed once, the annular turntable 2 is rotated to align the adjacent mold chucks 3 to the extrusion driving assembly 6, the glue injection operation is repeated, and the like is repeated until the glue injection of all the molds in the mold chucks 3 on the annular turntable 2 is completed, and the molds are taken down to enter the next procedure.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.

Claims

1. A fast forming device for cartoon derivatives comprises a base (1) and an extrusion pipe assembly (8), and is characterized in that a disc-shaped base (1) is rotatably provided with an expected concentric annular turntable (2), a plurality of mold chucks (3) are uniformly distributed on the circumference of the upper surface of the annular turntable (2), and a driving device for driving the annular turntable (2) to rotate is arranged in the base (1);

a central upright post (4) fixedly connected with the base (1) is arranged at a central opening of the annular turntable (2), a plurality of side guide rails (5) are uniformly distributed on the side surface of the central upright post (4), an extrusion driving assembly (6) is connected in each side guide rail (5) in a sliding manner in a matching manner, and the position right below the center of the extrusion driving assembly (6) corresponds to the center of the die chuck (3);

each extrusion driving assembly (6) can drive a plurality of extrusion pipe assemblies (8) connected through the position adjusting assembly (7) below the extrusion driving assembly to extrude the rubber solution.

2. The fast forming equipment for the cartoon derivatives according to claim 1, wherein the extrusion driving assembly (6) comprises a protective cover (61) and a slideway (62), the protective cover (61) is a cavity with an opening at the lower part, the slideway (62) is fixed at one side close to the central upright post (4), and the slideway (62) is in fit sliding connection with the side guide rail (5);

a position adjusting component (7) is linked below the protective cover (61);

the top of the protective cover (61) is provided with a screw nut (11), a screw rod (9) is connected in the screw nut (11) in a matching manner, the screw rod (9) penetrates through the upper surface of the base (1) to enter the base, and a driving device for driving the base (1) to rotate is arranged in the base;

and a fixed support (10) which is rotatably connected with the screw rod (9) is arranged at the corresponding position of the side surface of the central upright post (4).

3. The fast forming equipment for cartoon derivatives according to claim 2, wherein said extrusion driving assembly (6) further comprises a driving motor (63), said protecting cover (61) is fixed with said driving motor (63) on top, said driving motor (63) has an output shaft connected with a driving gear (64) inside said protecting cover (61), said driving gear (64) is engaged with a plurality of driven gear assemblies (65) around, said driven gear assemblies (65) are fixedly connected with a vertical driving rod (66), and said vertical driving rod (66) is rotatably connected with said protecting cover (61).

4. The device for the rapid prototyping of an animation derivative according to claim 1, wherein the position adjustment assembly (7) comprises a positioning frame (71), the positioning frame (71) is an annular frame, the upper portion of the positioning frame (71) is fixedly connected with the lower portion of the protective cover (61), and a sliding groove is formed in the lower portion of the positioning frame;

a plurality of connecting rods (72) are connected in the sliding grooves of the positioning frame (71) in a matching and sliding mode, the connecting rods (72) are connected with the positioning frame (71) through set screws (73), and the connecting rods (72) can be fastened by screwing the set screws (73);

each connecting rod (72) is connected with the extrusion pipe component (8) in a manner of sliding up and down, and the extrusion pipe component (8) can be fastened into the connecting rod (72);

the extrusion pipe assembly (8) connected in the positioning frame (71) is in driving connection with the vertical driving rod (66) through a telescopic universal joint (67).

5. The fast molding equipment for cartoon derivatives according to claim 3, characterized in that said driven gear assembly (65) comprises a gear ring (651) and a ratchet (654), said gear ring (651) is rotatably connected with said vertical driving rod (66), said gear ring (651) is rotatably connected with the upper inside of said protecting cover (61), said gear ring (651) is kneaded with said driving gear (64);

a ratchet groove (652) which is recessed into the gear ring (651) is formed in the gear ring, a circle of fixed disc (656) is fixed in a vertical driving rod (66) in the ratchet groove (652), a plurality of ratchets (654) corresponding to the ratchet groove (652) are distributed on the surface circumference of the fixed disc (656) in a rotatable manner, and the ratchets (654) are positioned in the ratchet groove (652);

a torsion spring is arranged in a connecting shaft of the ratchet (654) and the fixed disc (656), and the torsion spring provides force for enabling the ratchet (654) to rotate to be attached to the ratchet groove (652);

convex connection stoppers 653 are fixed on the fixed plate 656 between the adjacent ratchet teeth 654, an electromagnet 655 is fixed on one surface of each connection stopper 653 close to the inner side of the ratchet tooth 654, and when the electromagnet 655 is electrified, the electromagnet provides magnetic force which enables the ratchet teeth 654 to rotate to be separated from the ratchet groove 652 against the elastic force of the torsion spring.

6. The fast forming equipment for the cartoon derivatives according to claim 1, wherein the extrusion pipe assembly (8) comprises an inner extrusion pipe (81), the tail end of the inner extrusion pipe (81) is a discharge port with a conical surface, an extrusion screw (82) is arranged in the inner extrusion pipe (81) in a matching way, the uppermost end of the extrusion screw (82) is a hinge joint (86), and the hinge joint (86) is hinged with a telescopic universal joint (67).

7. The rapid prototyping device of animation derivatives as recited in claim 6, wherein an electromagnetic coil (83) is wound in the outer wall of the inner extrusion pipe (81), and high-frequency alternating current is supplied to the electromagnetic coil (83) to generate electromagnetic induction with the inner extrusion pipe (81) and the extrusion screw (82), so as to generate eddy current, which causes joule heating of metal due to electric resistance.

8. The rapid prototyping device of the animation derivative of claim 7, wherein an outer shielding tube (84) is sleeved outside the inner extrusion tube (81) and the electromagnetic coil (83), the outer shielding tube (84) is fixedly connected with the inner extrusion tube (81), and the outer shielding tube (84) is made of an insulating shielding material;

the outer shielding pipe (84) is connected with the vertical driving rod (66);

the outer shielding pipe (84) is provided with a feed inlet (85) penetrating into the inner extrusion pipe (81) at a position close to the hinged joint (86).

9. The rapid prototyping device of claim 6 wherein the extrusion screw (82) comprises a screw rod body (821), the diameter of the portion of the screw rod body (821) in the inner extrusion pipe (81) increases from the direction close to the hinge joint (86) to the direction close to the discharge port, the screw rod body (821) is externally provided with a helical blade (822), and the helical blade (822) is attached to the inner wall of the inner extrusion pipe (81).

10. The device for the rapid prototyping of an animation derivative according to claim 9, characterized in that a heating tube (823) is embedded in a position close to the surface inside the screw rod body (821), wherein the heating tube (823) is made of a high-permeability material, and can induce the electromagnetic coil (83) to cause the loss of magnetic hysteresis phenomenon and generate heat due to its high permeability, thereby heating the screw rod body (821) more efficiently.