CN217020908U

CN217020908U - Production silicon nitride combines carborundum heat-generating body protection tube mould

Info

Publication number: CN217020908U
Application number: CN202122521665.5U
Authority: CN
Inventors: 刘长峰
Original assignee: Shandong Xiangfeng New Material Technology Co ltd
Current assignee: Shandong Xiangfeng New Material Technology Co ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-07-22
Anticipated expiration: 2031-10-20

Abstract

The utility model discloses a die for producing a silicon nitride combined silicon carbide heating element protection tube, which comprises a workbench, wherein a lower die is arranged at one end of the workbench, a moving mechanism is arranged at one end of the workbench, which is far away from the lower die, an upper die is arranged on the lower die, a limiting mechanism is arranged between the lower die and the upper die, die cavities are respectively formed in the lower die and the upper die, a die core is arranged in the die cavity, one end of the die core extends out of the die cavity and extends to the outside to be fixedly connected with the moving mechanism, an injection mechanism is arranged in the upper die, and the injection mechanism is communicated with the die cavity. According to the utility model, multiple groups of silicon nitride and silicon carbide protection tubes can be simultaneously subjected to primary shaping processing through the multiple die cavities in the upper die and the lower die, so that subsequent firing is facilitated, a traditional die is not required to inject slurry into the die one by workers, the processing efficiency is greatly improved, the workload of the workers is reduced, and the processing and production cost of an enterprise is reduced.

Description

Production silicon nitride combines carborundum heat-generating body protection tube mould

Technical Field

The utility model relates to the technical field of processing of silicon nitride combined silicon carbide protection tubes, in particular to a die for producing a silicon nitride combined silicon carbide heating element protection tube.

Background

The silicon nitride and silicon carbide combined material is a new material, and the main products include a silicon nitride and silicon carbide combined radiant tube, a silicon nitride and silicon carbide combined brick, a silicon nitride and silicon carbide combined plate and the like. The silicon nitride and silicon carbide combined pipe is widely applied to various industries such as steel, nonferrous metals, chemical building materials and the like, has the advantages of energy conservation, environmental protection, high temperature resistance, corrosion resistance and the like, particularly, the pipe made by sintering the silicon nitride and the silicon carbide can be used as a protection pipe of a heating body to well protect equipment, and before the pipe is fired, the mixed slurry is usually injected into a mould to be preliminarily shaped, and then is sintered at high temperature to obtain a product.

But current mould is still through artifical completion operation processing mostly when using, and all pours thick liquids into the mould one by one, and a mould can only process a stock, increases staff's work load, so not only reduces work efficiency, improves work burden, still can increase the manufacturing cost of enterprise.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a die for producing a silicon nitride and silicon carbide combined heating element protection tube, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a production silicon nitride combines carborundum heat-generating body protection tube mould, comprises a workbench, the one end of workstation is equipped with the bed die, the one end that the bed die was kept away from to the workstation is equipped with moving mechanism, be equipped with the mould on the bed die, be equipped with stop gear between bed die and the last mould, the die cavity has all been seted up in bed die and the last mould, be equipped with the mould core in the die cavity, the one end of mould core stretches out the die cavity and extends to outside and moving mechanism fixed connection, go up the inside notes material mechanism that is equipped with of mould, it is linked together with the die cavity to annotate the material mechanism.

Preferably, in order to improve the stability of mould when removing, let the better laminating of mould and bed die, and then improve the quality of product, stop gear sets up the gag lever post on the bed die including the symmetry, and the one end of gag lever post is passed the mould and is extended to the top and be equipped with the diaphragm, gag lever post and last mould sliding connection, and the equidistance is equipped with hydraulic telescoping rod between diaphragm and the last mould.

Preferably, in order to improve the sealing performance of the mold and further improve the quality of a processed product, the two ends of the mold cavity are respectively provided with a sealing gasket, and the sealing gaskets are matched with the mold core.

Preferably, in order to take out and put into the mould core automatically, need not manual operation, greatly reduced staff's work load improves work efficiency, and moving mechanism is equipped with the screw rod including setting up the motor in workstation one end, the output of motor, is equipped with the nut through the screw thread on the screw rod, is equipped with the connecting plate on the nut, is equipped with guiding mechanism between connecting plate and the workstation, connecting plate and mould core fixed connection.

Preferably, for providing to the mould core and supporting spacingly, prevent to take place to rock when using, and then guarantee the quality of product, the workstation middle part is equipped with the fixed plate, and the fixed plate is located between connecting plate and the bed die, mould core and fixed plate sliding connection.

Preferably, in order to let the connecting plate take the mould core to remove more stably, avoid causing the damage and influence the quality of product to the product stock when taking out the mould core, guiding mechanism sets up the slide bar in the workstation both sides including the symmetry, the one end and the fixed plate fixed connection of slide bar, other end and rectangular block fixed connection slide on the slide bar and be equipped with the slider, slider and connecting plate fixed connection.

Preferably, in order to let annotate the material more fully even, and then guarantee the quality of product stock, improve the yield of product, reduce the manufacturing cost of enterprise, annotate material mechanism and set up the notes material pipe on last mould including the symmetry, annotate the material pipe and stretch into mould internal connection and have the discharging pipe, the equidistance is equipped with the discharge gate on the discharging pipe, annotates material mechanism and still includes that the equidistance sets up the through-hole in last mould cavity on last mould, through-hole and discharge gate phase-match.

Compared with the prior art, the utility model has the beneficial effects that:

(1) during processing, the mold core can be moved into the mold cavity through the moving mechanism, the upper mold is driven to move downwards by the extension of the hydraulic telescopic rod, the upper mold slides on the limiting rod, the upper mold can be more stable during moving, the upper mold and the lower mold can be better attached, thereby improving the processing quality, injecting the mixed slurry into the discharge pipe through the two material injection pipes, the slurry enters the die cavities through the discharge port and the through holes, so that the product can be preliminarily shaped, multiple groups of silicon nitride combined silicon carbide protection tubes can be preliminarily shaped and processed simultaneously through the multiple die cavities in the upper die and the lower die, the subsequent firing is facilitated, the traditional die does not need to inject the slurry into the die one by workers, the processing efficiency is greatly improved, the workload of the workers is reduced, and the processing and production cost of enterprises is reduced;

(2) after the blank in the die cavity is preliminarily shaped, the screw rod rotates along with the motor through the rotation of the motor, the nut moves on the screw rod to drive the connecting plate to move, the sliding blocks at the two ends of the connecting plate slide on the sliding rods, the stability of the connecting plate in moving is improved, the die core can be drawn out of the die cavity through the movement of the connecting plate, the hydraulic telescopic rod contracts to drive the upper die to move upwards, the silicon nitride combined silicon carbide protective tube blank in the die cavity can be taken out for the next process, the sealing gaskets at the two ends of the die cavity can increase the sealing performance of the die and ensure the processing quality of the product, through the above-mentioned a series of mechanisms mutually support, greatly reduced staff's work load can also be processed multiunit silicon nitride combination carborundum protection tube stock simultaneously, improves work efficiency greatly, reduces the manufacturing cost of enterprise.

Drawings

FIG. 1 is a schematic structural diagram of a mold for producing a silicon nitride combined silicon carbide heating element protection tube according to the present invention;

FIG. 2 is a schematic structural view of a lower mold and a connecting plate in a mold for producing a silicon nitride combined silicon carbide heating element protection tube according to the present invention;

FIG. 3 is a schematic structural view of an upper mold in a mold for producing a protection tube of a silicon nitride combined silicon carbide heating element according to the present invention;

fig. 4 is a schematic structural diagram of a material injection mechanism in a mold for producing a silicon nitride combined silicon carbide heating element protection tube provided by the utility model.

In the figure: 1. a work table; 2. a lower die; 3. an upper die; 4. a transverse plate; 5. a hydraulic telescopic rod; 6. injecting a material pipe; 7. a limiting rod; 8. a mold core; 9. a fixing plate; 10. a connecting plate; 11. a slide bar; 12. a rectangular block; 13. a motor; 14. a screw; 15. a nut; 16. a slider; 17. a mold cavity; 18. a gasket; 19. a through hole; 20. a discharge pipe; 21. and (4) discharging a material outlet.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown: a die for producing a silicon nitride combined silicon carbide heating element protection tube comprises a workbench 1, wherein one end of the workbench 1 is provided with a lower die 2, one end of the workbench 1, which is far away from the lower die 2, is provided with a moving mechanism, an upper die 3 is arranged on the lower die 2, a limiting mechanism is arranged between the lower die 2 and the upper die 3, die cavities 17 are respectively arranged in the lower die 2 and the upper die 3, die cores 8 are arranged in the die cavities 17, one ends of the die cores 8 extend out of the die cavities 17 and extend to the outside to be fixedly connected with the moving mechanism, a material injection mechanism is arranged in the upper die 3 and is communicated with the die cavities 17, a plurality of die cavities 17 in the upper die and the lower die can simultaneously carry out preliminary shaping processing on a plurality of groups of silicon nitride combined silicon carbide protection tubes, the subsequent firing is convenient, the traditional die does not need to inject slurry into the die one by one, the processing efficiency is greatly improved, and the workload of workers is reduced, and the processing and production cost of enterprises is reduced.

Further, stop gear sets up gag lever post 7 on bed die 2 including the symmetry, the one end of gag lever post 7 is passed last mould 3 and is extended to the top and be equipped with diaphragm 4, gag lever post 7 and last mould 3 sliding connection, the equidistance is equipped with hydraulic telescoping rod 5 between diaphragm 4 and the last mould 3, convenient 3 automatic opening and shutting of mould, and convenient for processing, the liberation manpower, it is more stable when can also letting go up mould 3 and remove, let go up mould 3 and the better laminating of bed die 2, and then improve the quality of product.

Further, the two ends of the die cavity 17 are provided with sealing gaskets 18, and the sealing gaskets 18 are matched with the die core 8, so that the sealing performance of the die can be improved, slurry is prevented from leaking, and the quality of the product blank is guaranteed.

Further, moving mechanism is including setting up the motor 13 in 1 one end of workstation, and the output of motor 13 is equipped with screw rod 14, is equipped with nut 15 through the screw thread on the screw rod 14, is equipped with connecting plate 10 on the nut 15, is equipped with guiding mechanism between connecting plate 10 and the workstation 1, and connecting

plate

10 and 8 fixed connection of mould core can be taken out and put into mould core 8 automatically, need not manual operation, and greatly reduced staff's work load improves work efficiency.

Further, 1 middle part of workstation is equipped with fixed plate 9, and fixed plate 9 is located between connecting plate 10 and the bed die 2, and mould core 8 and fixed plate 9 sliding connection can provide the spacing effect of support to mould core 8, can let mould core 8 can not take place to rock when removing, avoid causing the damage to the product stock and influence the quality of product when taking mould core 8 out.

Further, guiding mechanism includes that the symmetry sets up the slide bar 11 in workstation 1 both sides, the one end and the fixed plate 9 fixed connection of slide bar 11, the other end and rectangular block 12 fixed connection, slide on the slide bar 11 and be equipped with slider 16, slider 16 and connecting plate 10 fixed connection, it is more stable to let connecting plate 10 take the removal of mould core 8, avoids causing the damage and influencing the quality of product to the product stock when taking out mould core 8.

Further, annotate material mechanism and set up notes material pipe 6 on last mould 3 including the symmetry, it stretches into 3 internal connection of last mould to annotate material pipe 6, it is equipped with discharge pipe 21 to annotate on the discharge pipe 20 equidistance, annotate material mechanism and still include that the equidistance sets up the through-hole 19 in last mould 3 upper die cavity 17, through-hole 19 and discharge gate 21 phase-match, through-hole 19 in discharge pipe 20 and a plurality of discharge gate 21 and a plurality of mould cavities 17 mutually support, it is more abundant to let annotate the material, guarantee the quality of processing, the yield of product is improved, the manufacturing cost of enterprise is reduced.

The working principle is as follows: when the utility model is used, the mould core 8 can be moved into the mould cavity 17 through the moving mechanism, the upper mould 3 is driven to move downwards by extending the hydraulic telescopic rod 5, the upper mould 3 slides on the limiting rod 7, the upper mould 3 can be more stable when moving, the upper mould 3 and the lower mould 2 can be better jointed, the processing quality can be further improved, at the moment, mixed slurry can be injected into the discharge pipe 20 through the two material injection pipes 6 and enters the mould cavity 17 through the discharge port 21 and the through hole 19, the primary shaping of a product can be completed, a plurality of groups of silicon nitride combined silicon carbide protective pipes can be simultaneously subjected to primary shaping processing through the plurality of mould cavities 17 in the upper mould and the lower mould, the subsequent firing is convenient, the traditional mould does not need to inject the slurry into the mould one by workers, the processing efficiency is greatly improved, and the workload of the workers is reduced, the processing production cost of an enterprise is reduced, after the blank in the die cavity 17 is preliminarily shaped, the blank is rotated through the motor 13, the screw 14 rotates along with the screw, the nut 15 moves on the screw 14 and further drives the connecting plate 10 to move, the sliding blocks 16 at two ends slide on the sliding rod 11, the stability of the connecting plate 10 during moving is improved, at the moment, the die core 8 can be drawn out from the inside of the die cavity 17 through the movement of the connecting plate 10, then the hydraulic telescopic rod 5 contracts and drives the upper die 3 to move upwards, the blank of the silicon nitride combined silicon carbide protection tube in the die cavity 17 can be taken out for processing in the next process, the sealing gaskets 18 at two ends of the die cavity 17 can increase the sealing performance of the die to ensure the processing quality of products, the workload of workers is greatly reduced through the mutual matching of a series of mechanisms, and a plurality of groups of blanks of silicon nitride combined silicon carbide protection tubes can be processed simultaneously, greatly improving the working efficiency and reducing the production cost of enterprises.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a production silicon nitride combines carborundum heat-generating body protection tube mould, includes workstation (1), its characterized in that: one end of workstation (1) is equipped with bed die (2), workstation (1) is kept away from the one end of bed die (2) is equipped with moving mechanism, be equipped with mould (3) on bed die (2), bed die (2) with be equipped with stop gear between last mould (3), bed die (2) with die cavity (17) have all been seted up in last mould (3), be equipped with mould core (8) in die cavity (17), the one end of mould core (8) is stretched out die cavity (17) and extend to the outside with moving mechanism fixed connection, go up the inside notes material mechanism that is equipped with of mould (3), annotate material mechanism with die cavity (17) are linked together.

2. The mold for producing a silicon nitride combined with a silicon carbide heating element protection tube according to claim 1, which is characterized in that: stop gear sets up gag lever post (7) on bed die (2) including the symmetry, the one end of gag lever post (7) is passed go up mould (3) and extend to the top and be equipped with diaphragm (4), gag lever post (7) with go up mould (3) sliding connection, diaphragm (4) with the equidistance is equipped with hydraulic telescoping rod (5) between last mould (3).

3. The mold for producing a silicon nitride combined with a silicon carbide heating element protection tube according to claim 1, characterized in that: and sealing gaskets (18) are arranged at two ends of the die cavity (17), and the sealing gaskets (18) are matched with the die core (8).

4. The mold for producing a silicon nitride combined with a silicon carbide heating element protection tube according to claim 1, characterized in that: moving mechanism is including setting up motor (13) in workstation (1) one end, the output of motor (13) is equipped with screw rod (14), be equipped with nut (15) through the screw thread on screw rod (14), be equipped with connecting plate (10) on nut (15), connecting plate (10) with be equipped with guiding mechanism between workstation (1), connecting plate (10) with mould core (8) fixed connection.

5. The mold for producing a silicon nitride combined with a silicon carbide heating element protection tube according to claim 4, which is characterized in that: a fixing plate (9) is arranged in the middle of the workbench (1), the fixing plate (9) is located between the connecting plate (10) and the lower die (2), and the die core (8) is connected with the fixing plate (9) in a sliding mode.

6. The mold for producing a silicon nitride combined with a silicon carbide heating element protection tube according to claim 5, characterized in that: the guiding mechanism comprises sliding rods (11) symmetrically arranged on two sides of the workbench (1), one ends of the sliding rods (11) are fixedly connected with the fixing plate (9), the other ends of the sliding rods are fixedly connected with the rectangular blocks (12), sliding blocks (16) are arranged on the sliding rods (11) in a sliding mode, and the sliding blocks (16) are fixedly connected with the connecting plate (10).

7. The mold for producing a silicon nitride combined with a silicon carbide heating element protection tube according to claim 1, which is characterized in that: annotate material mechanism and set up notes material pipe (6) on last mould (3) including the symmetry, it stretches into to annotate material pipe (6) go up mould (3) internal connection has discharging pipe (20), equidistantly on discharging pipe (20) be equipped with discharge gate (21), it sets up still to include the equidistance to annotate material mechanism go up through-hole (19) in mould cavity (17) on mould (3), through-hole (19) with discharge gate (21) phase-match.