CN214110804U

CN214110804U - Forming die for anisotropic silicon carbide electric heating element

Info

Publication number: CN214110804U
Application number: CN202022909767.XU
Authority: CN
Inventors: 韩少军; 焦书锋; 韩朝军
Original assignee: Dengfeng Jinyu Electric Heating Material Co ltd
Current assignee: Dengfeng Jinyu Electric Heating Material Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-09-03
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses an opposite sex carborundum electrothermal element forming die, including base and mount, base one end top surface fixed mounting has the die block. Has the advantages that: the utility model discloses a die block, top mould and pressure head, when carrying out the shaping of different sex carborundum electrothermal element, put into the die block with the material, then, start the decline of second hydraulic stem, it is closed to drive top mould and die block, the pressure head is located top mould and die block, first hydraulic stem starts, promote pressure head compression raw materials, make the raw materials shaping in top mould and die block, thereby accomplish extrusion, the shaping is crossed the back, can contract the second hydraulic stem, the spring drives the top mould and rises, top mould and die block separation, first hydraulic stem shrink, be convenient for take out the blank of the heterotypic carborundum electrothermal element of pressfitting type, can form heterotypic carborundum electrothermal element through calcining, die block and top mould can be opened, conveniently load the raw materials and take out the blank of the fashioned heterotypic carborundum electrothermal element, loading and unloading are convenient simple, and operation efficiency is improved.

Description

Forming die for anisotropic silicon carbide electric heating element

Technical Field

The utility model relates to a carborundum product production technical field particularly, relates to an opposite sex carborundum electrothermal element forming die.

Background

Carborundum is also called carborundum, and is formed by high-temperature smelting of raw materials such as quartz sand, petroleum coke (or coal coke), wood chips (salt is required when green carborundum is produced) through a resistance furnace, the carborundum also has rare minerals in nature, the carborundum is also called carbo-silica, and in modern C, N, B and other non-oxide high-technology refractory raw materials, the carborundum is the most widely and economically applied one, and can be called as corundum or refractory sand.

Opposite sex carborundum has comparatively good electric conductivity, can regard as electric heating element to use, and traditional opposite sex carborundum electric heating element need experience compression forming and the process of calcining when production, and traditional compression moulding equipment is vertical extrusion moulding machine, and inconvenient getting gets puts the raw materials, and the operation is comparatively troublesome, influences production efficiency, and venthole department also gets into the raw materials easily and blocks up, and inconvenient clearance influences next use, can also further make the improvement.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art not enough, the utility model provides an opposite sex carborundum electrothermal element forming die possesses the loading and unloading and simply, improves work efficiency, the advantage of the clearance of being convenient for, and then solves the problem among the above-mentioned background art.

(II) technical scheme

For the advantage that realizes that above-mentioned loading and unloading are simple, improve work efficiency, be convenient for the clearance, the utility model discloses a concrete technical scheme as follows:

the utility model provides an opposite sex carborundum electric heating element forming die, includes base and mount, base one end top surface fixed mounting has the die block, and is equipped with the roof through the stand outside the die block to the roof bottom surface has a mould through the hoist and mount of second hydraulic stem, the top mould is located the die block directly over, and top mould and die block are the half-cylinder structure, the base other end has first hydraulic stem through mount fixed mounting, and the piston rod other end fixedly connected with ejector pin of first hydraulic stem to ejector pin other end fixedly connected with pressure head, the pressure head is located inside top mould and the die block, and pressure head and top mould and die block inner wall slip butt.

Further, the scavenge hole has been seted up to die block one end, and the fixed welding of die block one end outer wall has the support to the inside sliding connection of support has the mounting panel, the corresponding scavenge hole position welding of mounting panel side surface has the thimble, the support surface runs through fixedly connected with third hydraulic stem, and the piston rod other end and the mounting panel opposite side fixed surface of third hydraulic stem are connected.

Furthermore, a butt joint groove is formed in the bottom surface of the top die, a butt joint strip is formed in the top surface of the bottom die, and the size of the butt joint strip is equal to that of the butt joint groove.

Furthermore, the vertical fixedly connected with guide bar of top mould top surface, and the guide bar top surface run through the roof and with roof sliding connection to the guide bar surface is located and has cup jointed the spring between roof and the top mould.

Furthermore, the outer surface of the ejector rod is sleeved with a lantern ring in a sliding mode, and the lantern ring is fixedly connected with the base.

Furthermore, the pressure head adopts wear-resisting metal to make, and the pressure head is the cylinder type structure.

Furthermore, the length of the thimble is greater than that of the ventilating hole, and the diameter of the thimble is slightly smaller than that of the ventilating hole.

Furthermore, the second hydraulic rods are provided with a plurality of hydraulic rods, the bottom surfaces of the piston rods of the second hydraulic rods are fixedly connected with the top die, and the bottom surfaces of the cylinder bodies of the second hydraulic rods are fixedly connected with the top plate.

(III) advantageous effects

Compared with the prior art, the utility model provides an opposite sex carborundum electrothermal element forming die possesses following beneficial effect:

(1) the utility model discloses a die block, top mould and pressure head, when carrying out the shaping of different sex carborundum electrothermal element, put into the die block with the material, then, start the decline of second hydraulic stem, it is closed to drive top mould and die block, the pressure head is located top mould and die block, first hydraulic stem starts, promote pressure head compression raw materials, make the raw materials shaping in top mould and die block, thereby accomplish extrusion, the shaping is crossed the back, can contract the second hydraulic stem, the spring drives the top mould and rises, top mould and die block separation, first hydraulic stem shrink, be convenient for take out the blank of the heterotypic carborundum electrothermal element of press-fit type, can form heterotypic carborundum electrothermal element through calcining, die block and top mould can be opened, conveniently load the raw materials and take out the blank of the fashioned heterotypic carborundum electrothermal element, loading and unloading are convenient simple, and operating efficiency is improved.

(2) The utility model discloses a scavenge port, third hydraulic stem and thimble, at raw materials extrusion's in-process, the die block, air between top mould and the pressure head is discharged from the scavenge port along with the removal of pressure head gradually, the timely exhaust air of being convenient for, avoid the work of the too big first hydraulic stem of influence of pressure, after compression moulding, have partly raw materials to enter into the scavenge port, take out behind the fashioned heterotypic carborundum heating element's blank, the extension of startable third hydraulic stem, drive the thimble and insert in the scavenge port, thereby with the ejecting scavenge port of raw materials, the staff's of being convenient for clearance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a mold for forming a silicon carbide electrical heating element of different properties;

FIG. 2 is a front view of a mold for forming a silicon carbide electrical heating element of different properties;

fig. 3 is a schematic structural view of the bottom die of the present invention.

In the figure:

1. a base; 2. a first hydraulic lever; 3. a fixed mount; 4. a top rod; 5. a collar; 6. a pressure head; 7. bottom die; 8. carrying out top die; 9. a spring; 10. a guide bar; 11. a second hydraulic rod; 12. a column; 13. a top plate; 14. a ventilation hole; 15. a thimble; 16. mounting a plate; 17. a third hydraulic lever; 18. a support; 19. a butt joint groove; 20. and (6) butting the strips.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the embodiment of the utility model, provide an opposite sex carborundum electrothermal element forming die.

Referring now to the drawings and the detailed description, as shown in fig. 1-3, a mold for forming a silicon carbide electrical heating element of opposite sex according to an embodiment of the present invention comprises a base 1 and a fixing frame 3, wherein a bottom mold 7 is fixedly installed on a top surface of one end of the base 1, a top plate 13 is erected on an outer side of the bottom mold 7 through a column 12, the top plate 13 is located above the bottom mold 7, a top mold 8 is hoisted on a bottom surface of the top plate 13 through a second hydraulic rod 11, the top mold 8 is located right above the bottom mold 7, the top mold 8 and the bottom mold 7 are both in a semi-cylindrical structure, a first hydraulic rod 2 is fixedly installed on the other end of the base 1 through the fixing frame 3, a top rod 4 is fixedly connected to the other end of a piston rod of the first hydraulic rod 2, a pressing head 6 is fixedly connected to the other end of the top rod 4, the pressing head 6 is located inside the top mold 8 and the bottom mold 7, and the pressing head 6 is slidably abutted to inner walls of the top mold 8 and the bottom mold 7, when the anisotropic silicon carbide electrothermal element is formed, a material is placed into the bottom die 7, then the second hydraulic rod 11 is started to descend to drive the top die 8 and the bottom die 7 to be closed, the pressure head 6 is positioned in the top die 8 and the bottom die 7, the first hydraulic rod 2 is started to push the pressure head 6 to compress the raw material, so that the raw material is formed in the top die 8 and the bottom die 7, extrusion forming is completed, after forming, the second hydraulic rod 11 can be contracted, the spring 9 drives the top die 8 to ascend, the top die 8 is separated from the bottom die 7, the first hydraulic rod 2 is contracted, a blank of the press-formed anisotropic silicon carbide electrothermal element can be conveniently taken out, the anisotropic silicon carbide electrothermal element can be formed by calcining, the bottom die 7 and the top die 8 can be opened, the raw material can be conveniently filled and the blank of the formed anisotropic silicon carbide electrothermal element can be conveniently taken out, loading and unloading are convenient and simple, and working efficiency is improved.

In one embodiment, a plurality of ventilation holes 14 are formed in one end of the bottom die 7, a support 18 is fixedly welded on the outer wall of one end of the bottom die 7, a mounting plate 16 is slidably connected inside the support 18, an ejector pin 15 is welded on the surface of one side of the mounting plate 16 corresponding to the position of the ventilation holes 14, a third hydraulic rod 17 is fixedly connected on the surface of the support 18 in a penetrating manner, the other end of a piston rod of the third hydraulic rod 17 is fixedly connected with the surface of the other side of the mounting plate 16, in the extrusion molding process of raw materials, air among the bottom die 7, the top die 8 and the pressure head 6 is gradually exhausted from the ventilation holes 14 along with the movement of the pressure head 6, so that the air is timely exhausted, the work of the first hydraulic rod 2 is avoided being influenced by overlarge pressure, a part of the raw materials enter the ventilation holes 14 after compression molding, after blanks of the molded special-shaped silicon carbide heating element are taken out, the third hydraulic rod 17 can be started to extend, the ejector pin 15 is driven to be inserted into the ventilating hole 14, so that the raw material is ejected out of the ventilating hole 14, and the cleaning of workers is facilitated.

In one embodiment, the bottom surface of the top mold 8 is provided with a docking slot 19, the top surface of the bottom mold 7 is provided with a docking strip 20, the size of the docking strip 20 is equal to the size of the docking slot 19, when the second hydraulic rod 11 is extended, the docking strip 20 enters the docking slot 19, the bottom mold 7 and the top mold 8 are prevented from being dislocated due to extrusion, meanwhile, the edge sealing performance is improved, and gaps are reduced.

In one embodiment, the vertical fixedly connected with guide bar 10 of top mould 8 top surface, and guide bar 10 top surface run through roof 13 and with roof 13 sliding connection to spring 9 has been cup jointed to the guide bar 10 surface is located between roof 13 and the top mould 8, for common guide structure, avoids top mould 8 to rock, makes top mould 8 reciprocate more smoothly.

In one embodiment, the outer surface of the top rod 4 is sleeved with a lantern ring 5 in a sliding mode, the lantern ring 5 is fixedly connected with the base 1, the top rod 4 is stabilized by the lantern ring 5, and shaking of the top rod 4 is reduced.

In one embodiment, the pressure head 6 is made of wear-resistant metal, and the pressure head 6 is of a cylindrical structure, so that the pressure head is more wear-resistant and has a longer service life.

In one embodiment, the length of the thimble 15 is greater than the length of the ventilation hole 14, and the diameter of the thimble 15 is slightly smaller than the diameter of the ventilation hole 14, so that the thimble 15 can be inserted into the ventilation hole 14, and the raw material residue can be ejected conveniently.

In an embodiment, the second hydraulic rods 11 are provided in plural, and the bottom surface of the piston rod of the second hydraulic rod 11 is fixedly connected to the top mold 8, and the bottom surface of the cylinder body of the second hydraulic rod 11 is fixedly connected to the top plate 13, and the second hydraulic rods 11 work synchronously, which is a common driving connection structure and will not be described in detail herein.

The working principle is as follows:

when the anisotropic silicon carbide electrothermal element is formed, a material is put into the bottom die 7, then the second hydraulic rod 11 is started to descend to drive the top die 8 and the bottom die 7 to be closed, the pressure head 6 is positioned in the top die 8 and the bottom die 7, the first hydraulic rod 2 is started to push the pressure head 6 to compress the raw material, so that the raw material is formed in the top die 8 and the bottom die 7, and then extrusion forming is completed, after forming, the second hydraulic rod 11 can be contracted, the spring 9 drives the top die 8 to ascend, the top die 8 and the bottom die 7 are separated, the first hydraulic rod 2 is contracted, so that a blank of the press-formed special-shaped silicon carbide electrothermal element can be conveniently taken out, the special-shaped silicon carbide electrothermal element can be formed by calcining, the bottom die 7 and the top die 8 can be opened, the raw material can be conveniently filled and the blank of the formed special-shaped silicon carbide electrothermal element can be conveniently taken out, the assembly and disassembly are convenient and simple, the working efficiency is improved, and simultaneously, in the extrusion forming process of the raw material, air among the bottom die 7, the top die 8 and the pressure head 6 is gradually exhausted from the ventilating holes 14 along with the movement of the pressure head 6, so that the air is conveniently and timely exhausted, the phenomenon that the work of the first hydraulic rod 2 is influenced by overlarge pressure intensity is avoided, a part of raw materials enter the ventilating holes 14 after compression molding, after blanks of the molded special-shaped silicon carbide electric heating element are taken out, the third hydraulic rod 17 can be started to extend, the ejector pin 15 is driven to be inserted into the ventilating holes 14, and therefore the raw materials are ejected out of the ventilating holes 14, and cleaning by workers is facilitated.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The molding die for the anisotropic silicon carbide electric heating element is characterized by comprising a base (1) and a fixing frame (3), wherein a bottom die (7) is fixedly arranged on the top surface of one end of the base (1), and a top plate (13) is erected on the outer side of the bottom die (7) through a vertical column (12), and the bottom surface of the top plate (13) is hung with a top die (8) through a second hydraulic rod (11), the top die (8) is positioned right above the bottom die (7), the top die (8) and the bottom die (7) are both of a semi-cylindrical structure, the other end of the base (1) is fixedly provided with a first hydraulic rod (2) through a fixing frame (3), and the other end of the piston rod of the first hydraulic rod (2) is fixedly connected with a top rod (4), and the other end of the ejector rod (4) is fixedly connected with a pressure head (6), the pressure head (6) is positioned in the top die (8) and the bottom die (7), and the pressure head (6) is in sliding contact with the inner walls of the top die (8) and the bottom die (7).

2. The opposite-nature silicon carbide electric heating element forming die as claimed in claim 1, wherein a ventilation hole (14) is formed in one end of the bottom die (7), a support (18) is fixedly welded to the outer wall of one end of the bottom die (7), a mounting plate (16) is slidably connected to the inside of the support (18), a thimble (15) is welded to the surface of one side of the mounting plate (16) corresponding to the ventilation hole (14), a third hydraulic rod (17) is fixedly connected to the surface of the support (18) in a penetrating manner, and the other end of a piston rod of the third hydraulic rod (17) is fixedly connected to the surface of the other side of the mounting plate (16).

3. The forming mold for the anisotropic silicon carbide electric heating element according to claim 1, wherein the top mold (8) has a bottom surface provided with a butt-joint groove (19), the bottom mold (7) has a top surface provided with a butt-joint strip (20), and the size of the butt-joint strip (20) is equal to the size of the butt-joint groove (19).

4. The forming die for the anisotropic silicon carbide electric heating element according to claim 1, wherein a guide rod (10) is fixedly connected to the top surface of the top die (8) in a vertical direction, the top surface of the guide rod (10) penetrates through the top plate (13) and is slidably connected with the top plate (13), and a spring (9) is sleeved on the outer surface of the guide rod (10) between the top plate (13) and the top die (8).

5. The forming die of the anisotropic silicon carbide electric heating element according to claim 1, wherein a lantern ring (5) is sleeved on the outer surface of the ejector rod (4) in a sliding manner, and the lantern ring (5) is fixedly connected with the base (1).

6. The forming die for the anisotropic silicon carbide electric heating element according to claim 1, wherein the pressing head (6) is made of wear-resistant metal, and the pressing head (6) has a cylindrical structure.

7. The forming die for the anisotropic silicon carbide electric heating element according to claim 2, wherein the length of the ejector pin (15) is greater than the length of the ventilation hole (14), and the diameter of the ejector pin (15) is slightly smaller than the diameter of the ventilation hole (14).

8. The opposite-nature silicon carbide electric heating element forming die as claimed in claim 1, wherein a plurality of second hydraulic rods (11) are provided, the bottom surfaces of the piston rods of the second hydraulic rods (11) are fixedly connected with the top die (8), and the bottom surfaces of the cylinder bodies of the second hydraulic rods (11) are fixedly connected with the top plate (13).