CN114393741A - Smelting furnace for plastic additive manufacturing - Google Patents
Smelting furnace for plastic additive manufacturing Download PDFInfo
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- CN114393741A CN114393741A CN202111656881.9A CN202111656881A CN114393741A CN 114393741 A CN114393741 A CN 114393741A CN 202111656881 A CN202111656881 A CN 202111656881A CN 114393741 A CN114393741 A CN 114393741A
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- fixedly connected
- smelting furnace
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- 238000003723 Smelting Methods 0.000 title claims abstract description 60
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 239000004597 plastic additive Substances 0.000 title claims abstract description 14
- 238000003756 stirring Methods 0.000 claims abstract description 63
- 238000002844 melting Methods 0.000 claims abstract description 19
- 230000008018 melting Effects 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000007599 discharging Methods 0.000 claims abstract description 14
- 239000007787 solid Substances 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000007769 metal material Substances 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 abstract description 53
- 230000009471 action Effects 0.000 abstract description 17
- 239000000463 material Substances 0.000 abstract description 15
- 230000002035 prolonged effect Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 239000011343 solid material Substances 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 description 8
- 238000007667 floating Methods 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 239000000654 additive Substances 0.000 description 5
- 230000000996 additive effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 206010066054 Dysmorphism Diseases 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 239000008187 granular material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 238000011960 computer-aided design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
- B29B13/022—Melting the material to be shaped
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention discloses a smelting furnace for plastic additive manufacturing, which comprises a smelting furnace main body, wherein a driving motor is fixedly arranged at the bottom of the smelting furnace main body, one side of the driving motor is fixedly connected with a discharging pipe, the discharging pipe is in an L shape, the top end of the smelting furnace main body is provided with a sealing cover, the surface of the sealing cover is fixedly connected with a feeding hole, the bottom of the smelting furnace main body is fixedly connected with a connecting plate, a transmission shaft is rotatably arranged in the connecting plate, and the transmission shaft is fixedly connected to the output end of the driving motor; compared with the prior art, the raw materials are slowly melted, the stirring plate can be slowly lifted under the action of buoyancy, the solid which is not completely dissolved in the stirring plate can be attached to the surface of the stirring plate, the collision between the stirring plate and the raw materials can be avoided in the stirring process, the service life of the equipment can be prolonged, the connecting ball can move outwards under the action of centrifugal force, the material which is not completely dissolved can be pushed to the outer side, the melting speed of the solid material can be increased, and the melting efficiency can be further improved.
Description
Technical Field
The invention relates to the technical field of additive manufacturing, in particular to a smelting furnace for additive manufacturing of plastics.
Background
The additive manufacturing technology is commonly called 3D printing, combines computer aided design, material processing and forming technology, is based on a digital model file, and is a manufacturing technology for manufacturing solid objects by stacking special metal materials, non-metal materials and medical biological materials layer by layer in modes of extrusion, sintering, melting, photocuring, spraying and the like through software and a numerical control system.
The manufacturing method of the smelting furnace for the plastic additive manufacturing is characterized in that the manufacturing technology of the smelting furnace for manufacturing the object is different, different raw materials such as metal, plastic and the like are required, the internal temperature of the plastic material is uneven in the smelting process, the smelting process is slow, the additive manufacturing speed cannot be kept up with, the plastic material is burnt on the inner wall due to the fact that the temperature of the plastic material is too high, the plastic material is difficult to clean after being cooled, and more maintenance cost needs to be invested.
Disclosure of Invention
The invention aims to provide a smelting furnace for plastic additive manufacturing, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a smelting furnace for plastic additive manufacturing comprises a smelting furnace main body, wherein a driving motor is fixedly installed at the bottom of the smelting furnace main body, one side of the driving motor is fixedly connected with a discharging pipe, the discharging pipe is L-shaped, a sealing cover is installed at the top end of the smelting furnace main body, a feeding hole is fixedly connected to the surface of the sealing cover, a connecting plate is fixedly connected to the bottom of the smelting furnace main body, a transmission shaft is rotatably arranged in the connecting plate, and the transmission shaft is fixedly connected to the output end of the driving motor;
a plurality of heating pipes of fixedly connected with on the outer wall of the smelting furnace main body, the heating pipe is the setting of annular array at the smelting furnace main body on the surface, a plurality of supporting legs of smelting furnace main body bottom fixedly connected with, and the supporting leg is located the driving motor outside, emptys the raw materials to the inside of smelting furnace main body through the feed inlet, then can drive the stirring board through driving motor and make circular motion, heats the raw materials of inside and makes it melt fast under the effect of heating pipe simultaneously.
Preferably, a material discharging groove is formed in the surface of the connecting plate, the material discharging groove is conical, an annular groove is formed in the inner wall of the material discharging groove, a movable ball is arranged in the annular groove in a sliding mode, a transmission rod is fixedly connected to the surface of the movable ball, and one end of the transmission rod is fixedly connected with a flow limiting ball;
the inside cavity that is equipped with of current-limiting ball, the current-limiting ball outside is equipped with solid fixed ring, gu fixed ring inner wall offsets with the current-limiting ball surface, gu a plurality of elastic rods of fixed ring bottom fixedly connected with, and elastic rod fixed connection is in row silo inner wall bottom, and when the raw materials was discharged from row silo department, can make the current-limiting ball float, and the rotation appears under the raw materials effect, can stir the raw materials, avoid and the inside solid that contains the tiny granule still not dissolved the condition that the emergence was condensed, can guarantee the stability of the ejection of compact.
Preferably, the surface of the transmission shaft is fixedly connected with a plurality of fixed sleeves, the surface of each fixed sleeve is fixedly connected with a plurality of elastic balls, the surface of each elastic ball is fixedly connected with a stirring plate, the thickness of one end, close to the fixed sleeve, of each stirring plate is larger than that of the other end of each stirring plate, one end, far away from the fixed sleeve, of each stirring plate is provided with an arc-shaped groove, a pair of limiting springs are fixedly connected inside each arc-shaped groove, and swinging balls are fixedly connected between the limiting springs;
the stirring board has the advantages that the movable hole is formed in the surface of the stirring board, the floating block is arranged in the movable hole, the two ends of the floating block are fixedly connected with a pair of arc springs on the surface, one ends of the arc springs are fixedly connected to the surface of the swing ball, the arc springs slowly melt along with raw materials, the stirring board can be slowly lifted under the action of buoyancy, the inside of the stirring board is not completely dissolved, the solid can be attached to the surface of the stirring board, the collision between the stirring board and the raw materials can be avoided, and the service life of the stirring board can be prolonged.
Preferably, a movable hole is formed in the swing ball, a plurality of rubber rings are fixedly connected to the inner portion of the movable hole, a movable rod is movably inserted into the swing ball, and the surface of the movable rod is abutted against the surface of each rubber ring;
the utility model discloses a smelting furnace, including the movable rod, the movable rod top fixedly connected with floater, the inside cavity that is equipped with of floater, the inside activity of floater is equipped with the metal block, movable rod bottom fixedly connected with metal scraper blade, metal scraper blade is the arc and has elasticity, and inside raw materials melts the back completely, improves external equipment and can drop into the vibration material disk with inside raw materials, and along with inside raw materials reduces, and partial stirring board can appear deformation downwards under the action of gravity, and the buoyancy that the floater received disappears, can make the state that the swing ball appears the slope, can make metal scraper blade surface and smelting furnace main part inner wall offset, can clean smelting furnace main part inner wall, avoid having a small amount of raw materials to adhere to on smelting furnace main part inner wall, can reduce the maintenance cost of equipment.
Preferably, a plurality of elastic shafts of fixedly connected with between the stirring board, the elastic shaft is the arc, fixedly connected with screw axis between the elastic shaft, the screw axis has elasticity, fixedly connected with connection ball on the screw axis, and connect the ball and be the metal material, stir along with the stirring board to inside raw materials, can make and connect the ball and can outwards move at the effect of centrifugal force, can push the material that has not completely dissolved to the outside yet, can accelerate the speed of melting of solid material, further improve melting efficiency.
Preferably, a plurality of arc axles of fixedly connected with between the agitator plate, the arc axle has elasticity, a plurality of special-shaped gasbags of fixedly connected with on the arc axle surface, special-shaped gasbag surface is the concavity, special-shaped gasbag both ends fixedly connected with stripper plate can extrude special-shaped gasbags after the arc axle appears deforming to make the atmospheric pressure ring outwards expand, can make the annular plate surface appear deforming.
Preferably, the inside fixed axle that is equipped with of dysmorphism gasbag, and the fixed axle runs through the dysmorphism gasbag, the dysmorphism gasbag outside is equipped with the atmospheric pressure ring, atmospheric pressure ring inner wall and fixed axle fixed connection, atmospheric pressure ring fixed connection has the annular plate on the surface, the annular plate cross-section is "V" shape, the annular plate has elasticity, and under the effect of centrifugal force, can make the annular plate incline to appear, can block splashing of raw materials, avoids it to adhere to on the smelting furnace main part inner wall, can prolong the maintenance cycle of equipment.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the slow melting of the raw materials, the stirring plate can be lifted slowly under the action of buoyancy, so that the incompletely dissolved solids in the stirring plate can be attached to the surface of the stirring plate, the collision between the stirring plate and the raw materials can be avoided in the stirring process, and the service life of the equipment can be prolonged;
2. according to the invention, the internal raw materials are stirred by the stirring plate, so that the connecting ball can move outwards under the action of centrifugal force, and the incompletely dissolved materials can be pushed to the outer side, thus the melting speed of solid materials can be increased, and the melting efficiency is further improved;
3. according to the invention, through the reduction of the internal raw materials, part of the stirring plate can deform downwards under the action of gravity, and the buoyancy force applied to the floating block disappears, so that the swinging ball can be in an inclined state, the surface of the metal scraper can be abutted against the inner wall of the smelting furnace main body, the inner wall of the smelting furnace main body can be cleaned, a small amount of raw materials are prevented from being attached to the inner wall of the smelting furnace main body, and the maintenance cost of equipment can be reduced;
4. according to the invention, the special-shaped air bag can be extruded after the arc-shaped shaft deforms, so that the air pressure ring expands outwards, the surface of the annular plate can deform, the annular plate can incline under the action of centrifugal force, the splashing of raw materials can be prevented, the raw materials are prevented from being attached to the inner wall of the smelting furnace main body, and the maintenance period of equipment can be prolonged;
5. according to the invention, when the raw materials are discharged from the discharge groove, the flow-limiting ball can float and rotate under the action of the raw materials, so that the raw materials can be stirred, the condition that the solid containing small particles in the raw materials is not dissolved and is coagulated is avoided, and the stability of discharging can be ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the melting furnace according to the present invention;
FIG. 3 is a schematic cross-sectional view of a discharge chute of the present invention;
FIG. 4 is a partial structural view of a transmission shaft according to the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4;
FIG. 6 is an enlarged view of a portion of FIG. 4 at B in accordance with the present invention;
FIG. 7 is a schematic cross-sectional view of a pendulum ball of the present invention;
in the figure: 1. a smelting furnace main body; 2. a sealing cover; 3. a connecting plate; 4. a drive shaft; 11. a discharge pipe; 12. a drive motor; 13. heating a tube; 21. a feed inlet; 31. a discharge chute; 32. a movable ball; 33. an annular groove; 34. a current limiting ball; 35. a fixing ring; 41. fixing a sleeve; 42. a stirring plate; 421. an arc-shaped slot; 43. an arc-shaped shaft; 44. an elastic shaft; 441. a screw shaft; 45. a movable rod; 451. a metal blade; 452. a floating ball; 46. swinging the ball; 461. a rubber ring; 47. floating blocks; 48. a special-shaped air bag; 481. a pressing plate; 49. a pneumatic ring; 491. an annular plate.
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, the present invention provides a technical solution: a smelting furnace for plastic additive manufacturing comprises a smelting furnace main body 1, wherein a driving motor 12 is fixedly installed at the bottom of the smelting furnace main body 1, one side of the driving motor 12 is fixedly connected with a discharging pipe 11, the discharging pipe 11 is in an L shape, a sealing cover 2 is installed at the top end of the smelting furnace main body 1, a feeding hole 21 is fixedly connected to the surface of the sealing cover 2, a connecting plate 3 is fixedly connected to the bottom of the smelting furnace main body 1, a transmission shaft 4 is rotatably arranged in the connecting plate 3, and the transmission shaft 4 is fixedly connected to the output end of the driving motor 12;
fixedly connected with a plurality of heating pipes 13 on the 1 outer wall of smelting furnace main part, heating pipe 13 is the setting of annular array at smelting furnace main part 1 on the surface, a plurality of supporting legs of 1 bottom fixedly connected with of smelting furnace main part, and the supporting leg is located the driving motor 12 outside, emptys the raw materials to 1 inside of smelting furnace main part through feed inlet 21, then can drive stirring board 42 through driving motor 12 and make circular motion, heats the raw materials of inside and makes it melt fast under the effect of heating pipe 13 simultaneously.
A discharge groove 31 is formed in the surface of the connecting plate 3, the discharge groove 31 is conical, an annular groove 33 is formed in the inner wall of the discharge groove 31, a movable ball 32 is slidably arranged in the annular groove 33, a transmission rod is fixedly connected to the surface of the movable ball 32, and a flow limiting ball 34 is fixedly connected to one end of the transmission rod;
the inside cavity that is equipped with of current-limiting ball 34, 34 outsides of current-limiting ball are equipped with solid fixed ring 35, gu fixed ring 35 inner wall offsets with 34 surfaces of current-limiting ball, gu a plurality of elastic rods of fixed ring 35 bottom fixedly connected with, and elastic rod fixed connection is in 31 inner wall bottoms of stock chute, when the raw materials was discharged from 31 departments of stock chute, can make current-limiting ball 34 float, and appear rotating under the raw materials effect, can stir the raw materials, avoid and the inside solid that contains small granule not yet dissolve the condition that the emergence condenses.
The surface of the transmission shaft 4 is fixedly connected with a plurality of fixed sleeves 41, the surface of each fixed sleeve 41 is fixedly connected with a plurality of elastic balls, the surface of each elastic ball is fixedly connected with a stirring plate 42, the thickness of one end, close to the fixed sleeve 41, of each stirring plate 42 is larger than that of the other end of each stirring plate 42, one end, far away from the fixed sleeve 41, of each stirring plate 42 is provided with an arc-shaped groove 421, a pair of limiting springs are fixedly connected inside each arc-shaped groove 421, and a swinging ball 46 is fixedly connected between the limiting springs;
stirring board 42 has seted up the activity hole on the surface, and the activity of activity hole inside is equipped with kicking block 47, a pair of arc spring of fixedly connected with on the surface of kicking block 47 both ends, and arc spring one end fixed connection is on the surface at pendulum ball 46, along with the raw materials slowly melts, stirring board 42 can slowly rise with the help of the effect of buoyancy, can make the inside solid that has not completely dissolved adhere to stirring board 42 on the surface yet, can avoid the collision between stirring in-process and raw materials.
A movable hole is formed in the swinging ball 46, a plurality of rubber rings 461 are fixedly connected to the inner part of the movable hole, a movable rod 45 is movably inserted into the swinging ball 46, and the surface of the movable rod 45 abuts against the surface of each rubber ring 461;
the utility model discloses a smelting furnace, including activity pole 45 top fixedly connected with floater 452, floater 452 inside is equipped with the cavity, the inside activity of floater 452 is equipped with the metal block, activity pole 45 bottom fixedly connected with metal scraper 451, metal scraper 451 is the arc and has elasticity, and inside raw materials melts the back completely, improves the external equipment and can drop into the vibration material disk with inside raw materials in, and along with inside raw materials reduces, deformation can appear downwards under the action of gravity to partial stirring board 42, and the buoyancy that floats 47 and receive disappears, can make swing ball 46 the state that the slope appears, can make metal scraper 451 surface offset with smelting furnace main part 1 inner wall, can clean smelting furnace main part 1 inner wall.
A plurality of elastic shafts 44 of fixedly connected with between stirring board 42, elastic shaft 44 is the arc, fixedly connected with screw axis 441 between elastic shaft 44, screw axis 441 has elasticity, fixedly connected with connection ball on the screw axis 441, and connect the ball and be the metal material, stir along with stirring board 42 to inside raw materials, can make the connection ball can outwards move at the effect of centrifugal force, can push the material that has not completely dissolved to the outside yet, can accelerate the speed of melting of solid material.
The stirring plates 42 are fixedly connected with a plurality of arc shafts 43, the arc shafts 43 have elasticity, the arc shafts 43 are fixedly connected with a plurality of special-shaped air bags 48 on the surface, the surfaces of the special-shaped air bags 48 are concave, the two ends of each special-shaped air bag 48 are fixedly connected with the extrusion plates 481, and the arc shafts 43 can extrude the special-shaped air bags 48 after deformation occurs, so that the air pressure rings 49 are expanded outwards, and the surface of the annular plate 491 can be deformed.
The special-shaped air bag 48 is internally provided with a fixed shaft which penetrates through the special-shaped air bag 48, the outer side of the special-shaped air bag 48 is provided with an air pressure ring 49, the inner wall of the air pressure ring 49 is fixedly connected with the fixed shaft, the surface of the air pressure ring 49 is fixedly connected with an annular plate 491, the section of the annular plate 491 is V-shaped, the annular plate 491 has elasticity, and under the action of centrifugal force, the annular plate 491 can incline, splashing of raw materials can be blocked, the raw materials are prevented from being attached to the inner wall of the smelting furnace main body 1, and the maintenance period of equipment can be prolonged.
The working principle is as follows: firstly, raw materials are poured into the smelting furnace main body 1 through the feeding hole 21, then the stirring plate 42 can be driven to do circular motion through the driving motor 12, meanwhile, the raw materials in the smelting furnace main body are heated under the action of the heating pipe 13 to be quickly melted, and along with the slow melting of the raw materials, the stirring plate 42 can be slowly lifted under the action of buoyancy, so that the solid which is not completely dissolved in the stirring plate 42 can be attached to the surface of the stirring plate 42, the collision between the raw materials and the stirring process can be avoided, the service life of the stirring plate 42 can be prolonged, and along with the stirring of the raw materials in the stirring plate 42, the connecting balls can move outwards under the action of centrifugal force, the materials which are not completely dissolved in the stirring plate can be pushed to the outside, the melting speed of the solid materials can be accelerated, and the melting efficiency can be further improved;
then, after the internal raw materials are completely melted, external equipment is improved, the internal raw materials can be put into additive manufacturing, and as the internal raw materials are reduced, part of the stirring plate 42 can deform downwards under the action of gravity, buoyancy force applied to the floating block 47 disappears, the swinging ball 46 can be in an inclined state, the surface of the metal scraper 451 can be abutted against the inner wall of the smelting furnace main body 1, the inner wall of the smelting furnace main body 1 can be cleaned, a small amount of raw materials are prevented from being attached to the inner wall of the smelting furnace main body 1, maintenance cost of the equipment can be reduced, the arc-shaped shaft 43 can be extruded to the special-shaped air bag 48 after deformation, so that the air pressure ring 49 is expanded outwards, the surface of the annular plate 491 can be deformed, the annular plate 491 can incline under the action of centrifugal force, splashing of the raw materials can be prevented from being attached to the inner wall of the smelting furnace main body 1, the maintenance period of the equipment can be prolonged;
at last when the raw materials is discharged from the discharging groove 31, the flow limiting ball 34 can float, and the rotation appears under the action of the raw materials, the raw materials can be stirred, the condition that the solid containing small particles is not dissolved yet and is solidified can be avoided, and the stability of discharging can be ensured.
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 (7)
1. A smelting furnace for plastic additive manufacturing comprises a smelting furnace main body (1), and is characterized in that: the bottom of the smelting furnace main body (1) is fixedly provided with a driving motor (12), one side of the driving motor (12) is fixedly connected with a discharging pipe (11), the discharging pipe (11) is L-shaped, the top end of the smelting furnace main body (1) is provided with a sealing cover (2), the surface of the sealing cover (2) is fixedly connected with a feeding hole (21), the bottom of the smelting furnace main body (1) is fixedly connected with a connecting plate (3), a transmission shaft (4) is rotatably arranged in the connecting plate (3), and the transmission shaft (4) is fixedly connected to the output end of the driving motor (12);
the smelting furnace is characterized in that a plurality of heating pipes (13) are fixedly connected to the outer wall of the smelting furnace main body (1), the heating pipes (13) are arranged on the surface of the smelting furnace main body (1) in an annular array mode, a plurality of supporting legs are fixedly connected to the bottom of the smelting furnace main body (1), and the supporting legs are located on the outer side of the driving motor (12).
2. The melting furnace for plastic additive manufacturing according to claim 1, characterized in that: a discharge groove (31) is formed in the surface of the connecting plate (3), the discharge groove (31) is conical, an annular groove (33) is formed in the inner wall of the discharge groove (31), a movable ball (32) is arranged in the annular groove (33) in a sliding mode, a transmission rod is fixedly connected to the surface of the movable ball (32), and a flow limiting ball (34) is fixedly connected to one end of the transmission rod;
the inside cavity that is equipped with of current-limiting ball (34), current-limiting ball (34) outside is equipped with solid fixed ring (35), gu fixed ring (35) inner wall offsets with current-limiting ball (34) surface, gu a plurality of elastic rods of fixed ring (35) bottom fixedly connected with, and elastic rod fixed connection is in row silo (31) inner wall bottom.
3. The melting furnace for plastic additive manufacturing according to claim 1, characterized in that: the surface of the transmission shaft (4) is fixedly connected with a plurality of fixed sleeves (41), the surface of each fixed sleeve (41) is fixedly connected with a plurality of elastic balls, the surface of each elastic ball is fixedly connected with a stirring plate (42), the thickness of one end, close to the fixed sleeves (41), of each stirring plate (42) is larger than that of the other end of each stirring plate, one end, far away from the fixed sleeves (41), of each stirring plate (42) is provided with an arc-shaped groove (421), a pair of limiting springs are fixedly connected inside each arc-shaped groove (421), and a swinging ball (46) is fixedly connected between the limiting springs;
the stirring plate (42) has been seted up the activity hole on the surface, and the activity of activity hole inside is equipped with kicking block (47), a pair of arc spring of fixedly connected with on the surface of kicking block (47) both ends, and arc spring one end fixed connection is on the surface at pendulum ball (46).
4. The melting furnace for plastic additive manufacturing according to claim 3, characterized in that: a movable hole is formed in the swinging ball (46), a plurality of rubber rings (461) are fixedly connected to the inner part of the movable hole, a movable rod (45) is movably inserted into the swinging ball (46), and the surface of the movable rod (45) is abutted against the surface of each rubber ring (461);
the movable rod (45) top fixedly connected with floater (452), floater (452) inside is equipped with the cavity, floater (452) inside activity is equipped with the metal block, movable rod (45) bottom fixedly connected with metal scraper blade (451), metal scraper blade (451) are the arc and have elasticity.
5. The melting furnace for plastic additive manufacturing according to claim 3, characterized in that: a plurality of elastic shafts (44) are fixedly connected between the stirring plates (42), the elastic shafts (44) are arc-shaped, screw shafts (441) are fixedly connected between the elastic shafts (44), the screw shafts (441) are elastic, connecting balls are fixedly connected to the screw shafts (441), and the connecting balls are made of metal materials.
6. The melting furnace for plastic additive manufacturing according to claim 3, characterized in that: the stirring device is characterized in that a plurality of arc shafts (43) are fixedly connected between the stirring plates (42), the arc shafts (43) have elasticity, a plurality of special-shaped air bags (48) are fixedly connected to the surfaces of the arc shafts (43), the surfaces of the special-shaped air bags (48) are concave, and the two ends of each special-shaped air bag (48) are fixedly connected with the extrusion plates (481).
7. The melting furnace for plastic additive manufacturing according to claim 6, characterized in that: the special-shaped air bag (48) is internally provided with a fixed shaft which penetrates through the special-shaped air bag (48), the outer side of the special-shaped air bag (48) is provided with an air pressure ring (49), the inner wall of the air pressure ring (49) is fixedly connected with the fixed shaft, the surface of the air pressure ring (49) is fixedly connected with an annular plate (491), the section of the annular plate (491) is V-shaped, and the annular plate (491) has elasticity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111656881.9A CN114393741A (en) | 2021-12-31 | 2021-12-31 | Smelting furnace for plastic additive manufacturing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111656881.9A CN114393741A (en) | 2021-12-31 | 2021-12-31 | Smelting furnace for plastic additive manufacturing |
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| CN114393741A true CN114393741A (en) | 2022-04-26 |
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| CN202111656881.9A Pending CN114393741A (en) | 2021-12-31 | 2021-12-31 | Smelting furnace for plastic additive manufacturing |
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