CN115319950B

CN115319950B - Heating and melting device for resin material

Info

Publication number: CN115319950B
Application number: CN202211237353.4A
Authority: CN
Inventors: 毛文忠; 左昂宇; 陈南
Original assignee: Jingjiang Hongyuan Metallurgical Electrical Machinery Manufacturing Co ltd
Current assignee: Jingjiang Hongyuan Metallurgical Electrical Machinery Manufacturing Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2022-12-27
Anticipated expiration: 2042-10-11
Also published as: CN115319950A

Abstract

The invention belongs to the technical field of resin material treatment, and relates to a heating and melting device for a resin material. This heating melting device of resin material is including the base that has the heating function and set up the melting tank in the base top, is formed with in the melting tank and melts the chamber, is equipped with the lift dome in the melting tank, and the global sliding contact of lift dome is in the inner wall that melts the chamber, and the top of melting tank is fixed with along the hanger plate that melts tank top surface diameter direction and extend, and the middle part of hanger plate is fixed with the electric jar that faces down perpendicularly. In the invention, the descending of the lifting round cover enables the volume of the melting cavity below the lifting round cover to be gradually reduced, so that the temperature of the melting cavity can be gradually increased, and the melting speed of the resin material in the cavity is forced to be increased.

Description

Heating and melting device for resin material

Technical Field

The invention relates to the technical field of resin material treatment, in particular to a heating and melting device for a resin material.

Background

The resin is generally an organic polymer which softens or melts when heated, tends to flow by an external force when softened, and is solid, semi-solid, or liquid at room temperature. By broad definition, any polymeric compound that can be used as a raw material for processing plastic articles is called a resin, and the raw material needs to be heated to melt and then incorporated with a curing agent to improve its basic properties before a workpiece is made from the resin.

After the resin material is put into a melting furnace for heat treatment, because of the different structure components of the resin material, even under the control of a temperature system, the resin material is difficult to ensure to melt at a certain temperature and flow, the continuous high-temperature heating causes a large amount of evaporation and loss, and the mixing of a curing agent is difficult to ensure to fully react with the curing agent, thereby affecting the product quality.

Disclosure of Invention

Based on the problems, the invention provides a heating and melting device for resin materials, which can detect the melting degree of the resin materials and simultaneously can fully react with the mixed curing agent so that the mixed curing agent is fully fused with the mixed curing agent before curing, thereby improving the product quality.

In order to realize the purpose, the invention provides the following technical scheme:

the utility model provides a heating melting device of resin material, including the base that has the heating function and the melting jar of setting in the base top, be formed with in the melting jar and melt the chamber, be equipped with the lift dome in the melting jar, the global sliding contact of lift dome is in the inner wall that melts the chamber, the top of melting jar is fixed with the hanger plate that extends along melting jar top surface diametric (al) direction, the middle part of hanger plate is fixed with perpendicular electric cylinder down, the output of electric cylinder is inserted and is located melting intracavity and connect in the center of lift dome, be equipped with the pinion rack that perpendicular fixing in melts the chamber bottom surface and the activity runs through the lift dome in the melting jar, the bottom of lift dome is provided with the extending arm, the one end rotation that the extending arm is close to the pinion rack installs first pivot, fixed being equipped with the fluted roller that meshes on the pinion rack in the first pivot, it is connected with the pendulum rod to rotate on the first pivot, the pendulum rod is kept away from the one end of first pivot and is installed the second pivot through the bearing, fixed mounting has the stirring wheel in the second pivot, fixed cover on the first pivot, fixed cover still is equipped with the first sprocket in the first pivot, still fixed cover in the first pivot, still be equipped with the second sprocket in the first pivot.

In one embodiment, a connecting rod assembly is connected between the swing rod and the extending arm; run through on the lift dome and have three at least overflow pipes, the upper end of every overflow pipe upwards extends to the top of lift dome, and the lower extreme downwardly extending of overflow pipe extends to the below of lift dome, and the cover is equipped with the observation cover on every overflow pipe, observes the top that the cover is located the lift dome.

In one embodiment, the extending arm is provided with a hinge groove in the length direction, the first rotating shaft is mounted at one end close to the toothed plate in the hinge groove through a bearing, the observation cover is a horn cover, and the upper surface of the observation cover is a conical ring surface with a downward inclined periphery.

In one embodiment, the upper end of the swing rod is arranged in the hinge groove, the swing rod can be contained in the hinge groove when rotating upwards, the one-way valve is fixed inside the tube cavity of the overflow pipe, and the lower end of the overflow pipe is provided with a loudspeaker opening with an opening size larger than the size of the top end of the overflow pipe.

In one embodiment, the bottom surface of the lifting round cover is provided with a heat collecting buckle cavity with a downward opening, the lower end of the overflow pipe is located in the heat collecting buckle cavity, the base is internally provided with the first heating pipe, and the base is fixedly provided with a first plug which is electrically connected with the first heating pipe.

In one embodiment, the lifting dome is filled with a second heating pipe, a conduit which vertically extends upwards and penetrates through the hanging plate is fixed on the top surface of the lifting dome, a second plug which is electrically connected to the second heating pipe is filled in the conduit, and the second plug is electrically connected in series to the first plug and is also electrically connected in series to the first heating pipe.

In one embodiment, the connecting rod assembly comprises a first connecting rod movably connected to the extending arm and a second connecting rod movably connected to the swing rod, adjacent ends of the first connecting rod and the second connecting rod are hinged to each other, a hinge shaft is arranged at the hinged position of the first connecting rod and the second connecting rod, a torsion spring is sleeved on the hinge shaft, and two ends of the torsion spring respectively extend to and are connected to the first connecting rod and the second connecting rod.

In one embodiment, the heat collecting buckle cavity at the bottom of the lifting round cover is internally provided with at least three downward-protruding convex parts, the number of the extending arms is equal to that of the convex parts, the top ends of the extending arms are fixedly connected to the lower surface of the convex parts, and the number of the swing rods and the number of the connecting rod assemblies are equal to that of the convex parts.

In one embodiment, the top of the lifting round cover is provided with an extending seat which corresponds to the protruding part one by one, the extending seat protrudes upwards from the top surface of the lifting round cover, the bottom surface of the protruding part is upwards provided with a containing cavity extending into the extending seat, the containing cavity is positioned above the stirring wheel, and the contour dimension of the containing cavity is larger than the contour dimension of the stirring wheel.

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

the melting tank is provided with a lifting round cover which is driven by an electric cylinder to lift in the melting tank, so that the melting tank can melt the input resin material, and the volume of a melting cavity below the lifting round cover is reduced by the lifting round cover, thereby gradually increasing the temperature of the melting cavity and forcing the melting speed of the resin material in the cavity to be improved. Meanwhile, the bottom of the lifting round cover is provided with the stirring wheel which can lift along with the lifting round cover, when the lifting round cover lifts in the melting cavity, the stirring wheel can synchronously rotate in the melting cavity by utilizing a toothed plate and a chain wheel transmission mode, the stirring wheel at the moment can extend into the liquid resin, and along with the rotation of the stirring wheel, the curing agent which is put into the melting cavity before melting is fully mixed along with the melting of the resin. Have the overflow pipe on the lift dome, the cover is equipped with the observation cover that the top is the awl ring face on the overflow pipe, the lift dome falls to when a certain position in melting the chamber under the electric cylinder drive, will become the resin of liquid form and upwards flow out along the overflow pipe, and finally drip to survey and cover, the staff can judge whether can stop heating and outwards discharge through the resin at the velocity of flow of observing on the cover, it is different to have solved "the tissue composition of resin material, even under the control of temperature system, also be difficult to ensure that it melts and take place the problem that flows under certain temperature".

Drawings

FIG. 1 is a schematic diagram of a main view structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the structure of FIG. 2 from another perspective;

FIG. 4 is a schematic view of the relationship between the storage cavity and the stirring wheel after the extension base is cut open;

FIG. 5 is a schematic view showing a cut-away internal structure of the overflow tube of the present invention;

FIG. 6 is a schematic view of the distribution of internal heating tubes of the present invention with the base broken away;

FIG. 7 is a schematic structural view of the connecting rod assembly of the present invention;

FIG. 8 is a side plan view of the connecting rod assembly of the present invention.

In the figure: 1. a base; 2. a melting tank; 3. a melting chamber; 4. lifting the round cover; 5. a hanger plate; 6. an electric cylinder; 8. a toothed plate; 9. an extension arm; 10. a hinge slot; 11. a first rotating shaft; 12. a toothed roller; 13. a swing rod; 14. a second rotating shaft; 15. a stirring wheel; 16. a connecting rod assembly; 17. a first link; 18. a second link; 19. a hinge shaft; 20. a torsion spring; 21. a boss portion; 22. a first heating pipe; 23. a first plug; 24. an extension base; 25. a receiving cavity; 26. an overflow pipe; 27. an observation cover; 28. a conical ring surface; 29. a second heating pipe; 30. a conduit; 31. a second plug; 32. a one-way valve; 33. and Harbour mouth.

Detailed Description

The technical solutions of the present invention will be described in detail and fully with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments, but not all embodiments, of the present invention. 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.

In the description of the present invention, it should be noted that the orientations or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the orientations or positional relationships shown in the drawings only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be specifically understood by those skilled in the art.

Referring to fig. 1 to 8, a heating and melting apparatus for a resin material includes a base 1 having a heating function and a melting tank 2 disposed above the base 1, a melting chamber 3 is formed in the melting tank 2, a lifting round cover 4 is disposed in the melting tank 2, a circumferential surface of the lifting round cover 4 is in sliding contact with an inner wall of the melting chamber 3, a hanging plate 5 extending along a diameter direction of a top surface of the melting tank 2 is fixed at a top end of the melting tank 2, a vertically downward electric cylinder 6 is fixed at a middle portion of the hanging plate 5, an output end of the electric cylinder 6 is inserted into the melting chamber 3 and connected to a center of the lifting round cover 4, a toothed plate 8 vertically fixed to a bottom surface of the melting chamber 3 and movably penetrating through the lifting round cover 4 is disposed in the melting tank 2, an extending arm 9 is disposed at a bottom of the lifting round cover 4, a first rotating shaft 11 is rotatably disposed at an end of the extending arm 9 adjacent to the toothed plate 8, a first rotating shaft 11 is fixedly disposed on the first rotating shaft 11, a toothed roller 12 meshed with the toothed plate 8 is fixedly disposed on the first rotating shaft 11, a swing rod 13 is rotatably connected to an end of the swing rod 13 far away from the first rotating shaft 11, a second rotating shaft 14 is disposed on a second rotating shaft through a bearing, a second rotating shaft 14 is disposed on a second rotating shaft 14, a second rotating wheel 15, and a second chain wheel 14 is further disposed on a second chain wheel 14, and a second chain wheel 14 are disposed on a second rotating shaft 14, and a second chain wheel 14 are disposed on a second chain wheel 14, and a second chain wheel 14 are also disposed on the same rotating shaft 14 are disposed on the same chain wheel 14. A connecting rod assembly 16 is connected between the swing rod 13 and the extending arm 9; go up the running through and have three at least overflow pipes 26 on the lift dome 4, the upper end of every overflow pipe 26 upwards extends to the top of lift dome 4, and the lower extreme downwardly extending of overflow pipe 26 is to the below of lift dome 4, and the cover is equipped with on every overflow pipe 26 to observe cover 27, observes the top that cover 27 is located lift dome 4. The extending arm 9 is provided with a hinge groove 10 in the length direction, the first rotating shaft 11 is mounted in the hinge groove 10 through a bearing and close to one end of the toothed plate 8, the observation cover 27 is a horn cover, and the upper surface of the observation cover is a conical ring surface 28 with a downward inclined periphery. The upper end of pendulum rod 13 sets up in articulated groove 10 and can accomodate in articulated groove 10 when pendulum rod 13 upwards rotates, and the lumen inside of overflow pipe 26 is fixed with check valve 32, and the lower extreme of overflow pipe 26 is equipped with the mouth 33 that loudspeaker mouth that opening size is greater than overflow pipe 26 top size. The bottom surface of the lifting round cover 4 is provided with a heat collecting buckle cavity with a downward opening, the lower end of the overflow pipe 26 is positioned in the heat collecting buckle cavity, the base 1 is internally provided with the first heating pipe 22, and the base 1 is fixedly provided with a first plug 23 which is electrically connected with the first heating pipe 22. The lifting round cover 4 is filled with a second heating pipe 29, a guide pipe 30 which vertically upwards penetrates through the hanging plate 5 is fixed on the top surface of the lifting round cover 4, a second plug 31 which is electrically connected to the second heating pipe 29 is filled in the guide pipe 30, and the second plug 31 is electrically connected in series with the first plug 23 and the first heating pipe 22. The connecting rod assembly 16 comprises a first connecting rod 17 movably connected to the extending arm 9 and a second connecting rod 18 movably connected to the swing rod 13, adjacent ends of the first connecting rod 17 and the second connecting rod 18 are hinged to each other, a hinge shaft 19 is arranged at the hinged position of the first connecting rod 17 and the second connecting rod 18, a torsion spring 20 is sleeved on the hinge shaft 19, and two ends of the torsion spring 20 extend to and are connected to the first connecting rod 17 and the second connecting rod 18 respectively. The heat collecting buckle cavity at the bottom of the lifting round cover 4 is internally provided with at least three convex parts 21 protruding downwards, the number of the extending arms 9 is equal to that of the convex parts 21, the top ends of the extending arms 9 are fixedly connected to the lower surface of the convex parts 21, and the number of the swing rods 13 and the number of the connecting rod assemblies 16 are equal to that of the convex parts 21. The top of lift dome 4 is equipped with the extension seat 24 with bellying 21 one-to-one, and extension seat 24 is upwards protruding from the top surface of lift dome 4, and the bottom surface of bellying 21 upwards has seted up the chamber 25 of accomodating that extends to in the extension seat 24, accomodates the chamber 25 and is located the top that stirs wheel 15, and the overall dimension of accomodating chamber 25 is greater than the outline size that stirs wheel 15.

The invention has the beneficial effects that: when the lifting dome 4 descends in the melting tank 2, the volume of the melting chamber 3 below the lifting dome 4 is reduced, so that the temperature is rapidly increased to accelerate the melting speed of the resin material, thereby accelerating the work efficiency. When the lifting round cover 4 is lifted in the melting tank 2, the stirring wheel 15 is driven to lift along with the lifting round cover and simultaneously stir the molten resin liquid in the melting tank 2, the stirring function does not independently set a motor for driving the stirring rotation of the stirring wheel and the stirring wheel, the lifting round cover 4 is skillfully utilized to lift, the lifting round cover 4 aims to improve the heating rate of the melting tank 2, the stirring function is synchronously realized, the power consumption is reduced, and the structural design is ingenious.

Specifically, in another embodiment, referring to fig. 1 to 8, a heating and melting device for resin materials includes a base 1 having a heating function and a melting tank 2 disposed above the base 1, as shown in fig. 6, a first heating pipe 22 is disposed in the base 1, and a first plug 23 electrically connected to the first heating pipe 22 is fixed on the base 1, and when in actual use, the first plug 23 is connected to an external power supply to continuously heat the melting tank 2, which is not described in detail in the prior art, and in the present invention, it is proposed that: the melting tank 2 is internally provided with a vertically upwards extending melting cavity 3, and is different from the prior melting device in that the melting tank 2 is internally provided with a lifting round cover 4 which is in contact with the inner wall of the melting cavity 3 on the circumferential surface, the top end of the melting tank 2 is fixed with a hanging plate 5 which extends along the diameter direction of the top surface of the melting tank 2, the hanging plate 5 is fixed with an electric cylinder 6 which is positioned in the middle and faces downwards vertically, the output end of the electric cylinder 6 is inserted in the melting cavity 3 and connected to the lifting round cover 4, and the output end of the electric cylinder 6 can drive the lifting round cover 4 to synchronously lift along the inner wall of the melting cavity 3 when stretching, when the lifting round cover 4 descends in the melting tank 2, the volume below the lifting round cover 4 in the melting cavity 3 can be reduced, so that the temperature can be rapidly raised to accelerate the melting speed of the resin material, and the working efficiency can be accelerated. The bottom surface of the lifting round cover 4 is provided with a heat collecting buckle cavity with a downward opening to form a heat collecting effect with the melting cavity 3, and a toothed plate 8 which is vertically fixed on the bottom surface of the melting cavity 3 and movably penetrates through the lifting round cover 4 is also arranged in the melting tank 2. For example, a heating film (heat collecting film) is arranged on the bottom surface of the heat collecting buckle cavity, and the heating film is electrically connected with the first plug.

An extension arm 9 capable of synchronously lifting along with the extension arm is arranged in a heat collecting buckle cavity at the bottom of the lifting round cover 4, a hinge groove 10 is formed in the length direction of the extension arm 9, a first rotating shaft 11 penetrates through one end, close to the toothed plate 8, of the hinge groove 10 through a bearing, a toothed roller 12 meshed with the toothed plate 8 and synchronously rotating along with the extension arm 9 is arranged on the first rotating shaft 11, namely when the lifting round cover 4 is lifted, the toothed roller 12 is driven by the extension arm 9 to synchronously lift, at the moment, the toothed roller 12 can synchronously rotate along with the toothed plate 8 meshed with the toothed roller while lifting, a swing rod 13 rotatably connected to the first rotating shaft 11 and capable of being folded and contained in the hinge groove 10 during upward rotation is arranged in the hinge groove 10 of the extension arm 9, a second rotating shaft 14 which is connected to the first rotating shaft 11 in a chain wheel transmission mode and synchronously rotates with the first rotating shaft 11 is arranged at one end, far away from the first rotating shaft 11, of the swing rod 13, through a bearing, and a stirring wheel 15 synchronously rotating along with the second rotating shaft 14 is arranged on the second rotating shaft 14. Specifically, for example, a first sprocket is fixedly sleeved on the first rotating shaft 11, a second sprocket is fixedly sleeved on the second rotating shaft 14, and a chain is sleeved on the first sprocket and the second sprocket.

Therefore, when the lifting round cover 4 is lifted in the melting tank 2, the stirring wheel 15 is driven to lift along with the lifting round cover, meanwhile, the molten resin liquid in the melting tank 2 is stirred, the stirring function is not provided with a motor for driving the stirring wheel to stir and rotate, the lifting round cover 4 is skillfully utilized to lift, the lifting round cover 4 is lifted to achieve the stirring function synchronously, the power consumption is reduced, and meanwhile, the structural design is ingenious.

It should be noted that: when the resin is heated to a semi-fluid molten state in the melting chamber 3, the electric cylinder 6 is electrified to work, and the purposes of: the invention ensures that the lifting round cover 4 descends, simultaneously, the stirring wheel 15 at the tail end of the swing rod 13 can stir and fuse the resin material in a semi-fluid state and the curing agent injected before melting, and fully fuses the curing agent and the resin material along with the continuous rise of the heating temperature and the frequent lifting of the lifting round cover 4. Of course, a temperature control system for controlling temperature may be provided during actual assembly, and the temperature control system is similar to a temperature control switch of a microwave oven and the like, which is also the prior art, and the present invention is not described in detail herein, and thus, this description is omitted.

The lifting round cover 4 has a storage function for descending to a certain height position so as to prevent the stirring wheel 15 from generating hard collision with the bottom surface of the melting cavity 3, and therefore a connecting rod assembly 16 which elastically supports the swinging rod 13 in the melting cavity 3 is movably connected between the swinging rod 13 and the extending arm 9; the connecting rod assembly 16 comprises a first connecting rod 17 movably connected to the extending arm 9 and a second connecting rod 18 movably connected to the swing rod 13, the first connecting rod 17 and the second connecting rod 18 are both positioned between the extending arm 9 and the swing rod 13, and adjacent ends of the first connecting rod 17 and the second connecting rod 18 are movably connected together, a hinge shaft 19 for movably connecting the first connecting rod 17 and the second connecting rod 18 is arranged at the movable connection position of the first connecting rod 17 and the second connecting rod 18, a torsion spring 20 is sleeved on the hinge shaft 19, two ends of the torsion spring 20 respectively extend to and are connected to the first connecting rod 17 and the second connecting rod 18, so that the first connecting rod 17 and the second connecting rod 18 push the swing rod 13 and the extending arm 9 to fold or reversely unfold, the unfolding strength of the connecting rod assembly 16 is firstly satisfied that the swing rod 13 unfolded by the connecting rod can push the stirring wheel 15 to frequently stir in the molten resin melt, and secondly, when the stirring wheel 15 descends along with the lifting round cover 4 and contacts with the bottom surface of the melting chamber 3, the stirring wheel 15 can be folded, so that the installation structure of the stirring wheel 15 is more reasonable.

In the above embodiment, another function is developed by the descending action of the lifting dome 4, as can be seen in fig. 2: at least three overflow pipes 26 in annular array penetrate through the lifting round cover 4, one end of each overflow pipe 26 extends upwards to the upper part of the lifting round cover 4, the other end of each overflow pipe 26 extends downwards to the heat collection buckle cavity, each overflow pipe 26 is sleeved with an observation cover 27 positioned above the lifting round cover 4, each observation cover 27 is a horn cover, the upper surface of each observation cover is a conical ring surface 28 with the periphery inclined downwards, a one-way valve 32 is fixed inside the cavity of each overflow pipe 26, the lower end of each overflow pipe 26 is provided with a haar mouth 33 with an opening size far larger than the size of the top end of each overflow pipe 26, when the lifting round cover 4 frequently ascends and descends in the melting cavity 3, resin in the melting cavity 3 can be rapidly melted, the stirring wheel 15 is utilized to fully fuse the curing agent and the resin solution, and the one-way valve 32 can be opened along the overflow pipe 26 from the inside of the heat collection buckle cavity to flow onto the observation cover 27 when the resin solution reaches a certain melting degree, the worker can judge whether the resin can stop heating and discharge through the flowing speed of the resin on the conical ring surface 28 of the observation cover 27, and solves the problem that the resin material has different tissue components and is difficult to melt and flow at a certain temperature even under the control of a temperature system, that is, if the melting degree of the resin material does not reach the full flowing state, the resin material is difficult to enter the overflow pipe 26 from the heat collecting buckle cavity, and the one-way valve 32 is difficult to be pushed open and flows onto the observation cover 27 along the pipe cavity of the overflow pipe 26, the function has the reference property, the heating function is convenient to refer to the detection state, the heating function is selectively closed to complete the melting work, the lifting round cover 4 stops descending and is reset above the melting cavity 3, the discharge port of the prior art is opened (the discharge port is not marked, prior art) to discharge it.

In order to further increase the melting speed of the resin material in the melting chamber 3, the lifting dome 4 of the present invention is further filled with a second heating pipe 29 which has the same function as the first heating pipe 22, the top surface of the lifting dome 4 is fixed with a conduit 30 which vertically extends upward and passes through the hanging plate 5, the conduit 30 is filled with a second plug 31 which is electrically connected to the second heating pipe 29, the second plug 31 is electrically connected in series to the first plug 23 and is also electrically connected in series to the first heating pipe 22, that is, when the lifting dome 4 descends in the melting chamber 3, not only the volume of the melting chamber 3 is reduced to rapidly increase the heating temperature, but also under the combined action of the two heating structures formed by the second heating pipe 29 and the first heating pipe 22, the heating temperature is further increased, and the working efficiency is increased.

The heat collecting buckle cavity at the bottom of the lifting round cover 4 is internally provided with at least three convex parts 21 protruding downwards, the convex parts 21 are uniformly distributed in an annular array, the number of the extending arms 9 is matched with that of the convex parts 21, the top ends of the extending arms 9 are fixedly connected to the lower surface of the convex parts 21, the number of the swing rods 13 and the number of the connecting rod assemblies 16 connected between the swing rods 13 and the extending arms 9 are matched with that of the convex parts 21, each swing rod 13 is provided with a stirring wheel 15 with the same structure, the top of the lifting round cover 4 is provided with extending seats 24 corresponding to the convex parts 21 one by one, the extending seats 24 protrude upwards from the top surface of the lifting round cover 4, the bottom surface of the convex parts 21 is upwards provided with containing cavities 25 communicated with the inner cavities of the extending seats 24, the containing cavities 25 are positioned above the stirring wheels 15, the volume size of the containing cavities 25 is larger than the outer contour size of the stirring wheels 15, and the stirring wheels are uniformly distributed, so that the stirring speed of the molten resin and the curing agent can be increased, and the plurality of the uniformly distributed containing cavities 25 can be reasonably contained when the stirring wheels 15 need to be contained.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. A heating and melting device for resin materials, which comprises a base (1) with a heating function and a melting tank (2) arranged above the base (1), and is characterized in that: melting jar (2) is internally provided with a melting cavity (3), a lifting round cover (4) is arranged in melting jar (2), the peripheral surface of lifting round cover (4) is in sliding contact with the inner wall of melting cavity (3), the top end of melting jar (2) is fixed with a hanger plate (5) extending along the diameter direction of the top surface of melting jar (2), the middle part of hanger plate (5) is fixed with a vertical downward electric cylinder (6), the output end of electric cylinder (6) is inserted into melting cavity (3) and connected to the center of lifting round cover (4), a toothed plate (8) which is vertically fixed on the bottom surface of melting cavity (3) and movably penetrates through lifting round cover (4) is arranged in melting jar (2), the bottom of lifting round cover (4) is provided with an extending arm (9), one end of extending arm (9) adjacent to toothed plate (8) is rotatably provided with a first rotating shaft (11), a gear roller (12) meshed with toothed plate (8) is fixedly arranged on first rotating shaft (11), a swing rod (13) is rotatably connected to the first rotating shaft (11), one end of which is far away from first rotating shaft (11) is provided with a second rotating shaft (14), a second rotating shaft (14) is also provided with a second rotating chain wheel (14), the first chain wheel and the second chain wheel are sleeved with the same chain;

a connecting rod assembly (16) is connected between the swing rod (13) and the extending arm (9), an observation cover (27) is sleeved on each overflow pipe (26), and the observation covers (27) are positioned above the lifting round cover (4);

a hinged groove (10) is formed in the length direction of the extending arm (9), the first rotating shaft (11) is mounted at one end, close to the toothed plate (8), in the hinged groove (10) through a bearing, the observation cover (27) is a horn cover, and the upper surface of the observation cover is a conical ring surface (28) with the periphery inclined downwards;

at least three overflow pipes (26) penetrate through the lifting round cover (4), the upper end of each overflow pipe (26) upwards extends to the upper side of the lifting round cover (4), the lower end of each overflow pipe (26) downwards extends to the lower side of the lifting round cover (4), a heat collection buckle cavity with a downward opening is formed in the bottom surface of the lifting round cover (4), the lower end of each overflow pipe (26) is located in the heat collection buckle cavity, a first heating pipe (22) is arranged in the base (1), a first plug (23) which is electrically connected with the first heating pipe (22) is fixed on the base (1), a heating film is arranged on the bottom surface of each heat collection buckle cavity, and the heating film is electrically connected with the first plug (23);

a second heating pipe (29) is filled in the lifting round cover (4), a guide pipe (30) which is vertically upward and penetrates through the hanging plate (5) is fixed on the top surface of the lifting round cover (4), a second plug (31) which is electrically connected with the second heating pipe (29) is filled in the guide pipe (30), and the second plug (31) is electrically connected in series with the first plug (23) and is also electrically connected in series with the first heating pipe (22);

a heat collecting buckle cavity at the bottom of the lifting round cover (4) is internally provided with downward protruding convex parts (21), the number of the convex parts (21) is at least three, the number of the extending arms (9) is equal to that of the convex parts (21), the top ends of the extending arms (9) are fixedly connected to the lower surface of the convex parts (21), and the number of the swing rods (13) and the number of the connecting rod assemblies (16) are equal to that of the convex parts (21);

the top of lift dome (4) is equipped with extension seat (24) with bellying (21) one-to-one, extends seat (24) and upwards extrudees from the top surface of lift dome (4), and the bottom surface of bellying (21) upwards is seted up and is extended to storage cavity (25) in extending seat (24), and storage cavity (25) are located the top of stirring wheel (15), and the overall dimension of storing cavity (25) is greater than the overall dimension of stirring wheel (15).

2. A heating and melting apparatus of a resin material as set forth in claim 1, wherein: the upper end of pendulum rod (13) sets up in articulated groove (10) and pendulum rod (13) can be accomodate in articulated groove (10) when upwards rotating, and the lumen inside of overflow pipe (26) is fixed with check valve (32), and the lower extreme of overflow pipe (26) is equipped with opening size and is greater than hash mouth (33) of overflow pipe (26) top size.

3. A heating and melting apparatus of a resin material as set forth in claim 2, wherein: the connecting rod assembly (16) comprises a first connecting rod (17) movably connected to the extending arm (9) and a second connecting rod (18) movably connected to the swing rod (13), one ends of the first connecting rod (17) and the second connecting rod (18) which are adjacent are hinged to each other, a hinge shaft (19) is arranged at the hinged position of the first connecting rod (17) and the second connecting rod (18), a torsion spring (20) is sleeved on the hinge shaft (19), and two ends of the torsion spring (20) respectively extend to and are connected to the first connecting rod (17) and the second connecting rod (18).