CN219276145U

CN219276145U - Forming device is used in graphite crucible production

Info

Publication number: CN219276145U
Application number: CN202223501807.2U
Authority: CN
Inventors: 彭立
Original assignee: Chongqing Lihong Times New Materials Co ltd
Current assignee: Chongqing Lihong Times New Materials Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-06-30
Anticipated expiration: 2032-12-27

Abstract

The utility model relates to the technical field of graphite crucible production, in particular to a forming device for graphite crucible production, which comprises a fixed frame, wherein a side die is embedded in the upper surface of the fixed frame, a mounting frame is welded at the top end of the fixed frame, a first hydraulic rod is embedded in the top end of the mounting frame, the telescopic end of the first hydraulic rod is fixedly connected with an upper die, the inner bottom wall of the fixed frame is fixedly connected with a second hydraulic rod, and the telescopic end of the second hydraulic rod is fixedly connected with a bottom die. Compared with the prior art, this forming device is used in graphite crucible production, after the drawing of patterns, the die block resets, through setting up gas injection clearance mechanism, at the in-process of compound die, piston rod compression cylinder, high-pressure gas stores up in the inside of gas receiver, through opening the solenoid valve, can carry gas to the gas outlet tank, the pneumatic jack moves the central mould dish upward movement, the air current blowout reaches the purpose of clearing up the inner wall of side form and the surface of die block, need not additionally spending time to clear up the residual material, has promoted the efficiency of graphite crucible processing.

Description

Forming device is used in graphite crucible production

Technical Field

The utility model relates to the technical field of graphite crucible production, in particular to a forming device for graphite crucible production.

Background

The graphite crucible is a special crucible processed by graphite raw materials, has good thermal conductivity and high temperature resistance, and a forming device is needed in the production process of the graphite crucible.

Through searching, the prior patent (publication number: CN 217072742U) discloses a forming device for graphite crucible production, which can achieve the purpose of demoulding a graphite crucible by moving a bottom die upwards while realizing compression molding of the graphite crucible. However, the inventors have found that the prior art has the following problems in the implementation of the present utility model: the mold is lack of a function of cleaning the inner wall of the mold, and after demolding is finished, workers are required to consume time to clean the inner walls of the bottom mold and the side mold, so that the time is consumed undoubtedly, and the crucible processing efficiency is affected.

Therefore, a molding device for graphite crucible production is proposed to solve the above problems.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, an embodiment of the present utility model provides a molding device for graphite crucible production, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a forming device is used in graphite crucible production, includes the fixed frame, the upper surface of fixed frame is inlayed and is equipped with the side form, and the top welding of fixed frame has the mounting bracket, and the top of mounting bracket is inlayed and is equipped with first hydraulic stem, and the mould is gone up to the flexible end fixedly connected with of first hydraulic stem, and the interior bottom wall fixedly connected with second hydraulic stem of fixed frame, the flexible end fixedly connected with die block of second hydraulic stem, die block, side form and go up the mutual adaptation of mould, and go up and be provided with gas injection clearance mechanism between mould and the die block.

Preferably, the cooling cavity is formed in the upper die, the water injection pipe and the water outlet pipe are respectively embedded in the upper surface of the upper die, the water injection pipe and the water outlet pipe are communicated with the cooling cavity, and the water injection pipe and the water outlet pipe are communicated with an external circulating cooling water pipe.

Preferably, the gas injection cleaning mechanism comprises a cylinder embedded on the surface of the fixed frame, a piston rod is arranged at the top end of the cylinder, the top end of the piston rod is fixedly connected with the side wall of the upper die, a gas inlet pipe and a gas outlet pipe are respectively embedded at the bottom end of the cylinder, a gas outlet groove is formed in the inner bottom wall of the bottom die, and the other end of the gas outlet pipe is communicated with the gas outlet groove.

Preferably, the inner wall fixedly connected with installation annular plate of gas outlet tank, the surface of installation annular plate has the lifter through-hole sliding connection, and the top fixedly connected with of lifter is used for shutoff gas outlet tank's central mould dish.

Preferably, the surface of the lifting rod is sleeved with a reset spring for driving the lifting rod to move downwards, and when the bottom end of the lifting rod is abutted against the inner bottom wall of the air outlet groove, the central die plate is matched with the inner cambered surface of the bottom die.

Preferably, the surface of the air inlet pipe is provided with a one-way air inlet valve, and the surface of the air outlet pipe is provided with a one-way air outlet valve, an air storage tank and an electromagnetic valve respectively.

Preferably, the lower surface of the side die is fixedly connected with an auxiliary supporting plate, and the upper surface of the auxiliary supporting plate is contacted with the lower surface of the bottom die.

The utility model has the beneficial effects that: this forming device for graphite crucible production is when using, add the die block surface with the raw materials that graphite and binder mix, drive through first hydraulic stem and push down, can realize graphite crucible compression moulding's purpose, reset through last mould afterwards, the second hydraulic stem drives the die block and rises, can realize quick drawing of patterns's purpose, the die block resets afterwards, through setting up gas injection clearance mechanism, at the in-process of compound die, piston rod compression cylinder, high-pressure gas stores in the inside of gas receiver, through opening the solenoid valve, can carry gas to the gas outlet tank, the pneumatic jacking center die dish reciprocates, the air current blowout reaches the purpose of clearing up the inner wall of side form and the surface of die block, need not extra spending time to clear up the residual, graphite crucible processing's efficiency has been promoted. This forming device is used in graphite crucible production through setting up reset spring, after closing the solenoid valve, reset spring drives the lifter and moves down, can make center die dish reset, conveniently carries on crucible compression molding operation continuously, through setting up auxiliary stay board, can fix a position the position of die block, and can carry out auxiliary stay to the die block when graphite crucible compression molding.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the front cross-section structure of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A;

fig. 4 is an enlarged schematic view of the structure at B in fig. 2.

Detailed Description

The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

According to the forming device for graphite crucible production shown in fig. 1, 2, 3 and 4, the forming device comprises a fixed frame 1, wherein a side die 2 is embedded on the upper surface of the fixed frame 1, a mounting frame 3 is welded on the top end of the fixed frame 1, a first hydraulic rod 4 is embedded on the top end of the mounting frame 3, an upper die 5 is fixedly connected with the telescopic end of the first hydraulic rod 4, a second hydraulic rod 6 is fixedly connected with the inner bottom wall of the fixed frame 1, a bottom die 7 is fixedly connected with the telescopic end of the second hydraulic rod 6, and the bottom die 7, the side die 2 and the upper die 5 are mutually matched.

When the forming device for graphite crucible production is used, firstly, raw materials mixed by graphite and a binder are added into the bottom die 7, then the first hydraulic rod 4 drives the upper die 5 to be pressed down, the purpose of graphite crucible compression molding can be achieved, and then the upper die 5 is reset, and the second hydraulic rod 6 is used for stretching to drive the bottom die 7 to rise, so that the purpose of rapid demoulding can be achieved.

The lower surface of the side mold 2 is fixedly connected with an auxiliary supporting plate 20, the upper surface of the auxiliary supporting plate 20 is in contact with the lower surface of the bottom mold 7, and the position of the bottom mold 7 can be positioned by arranging the auxiliary supporting plate 20, and the bottom mold 7 can be supported in an auxiliary manner during compression molding of the graphite crucible.

The cooling cavity 8 is formed in the upper die 5, the water injection pipe 9 and the water outlet pipe 10 are respectively embedded in the upper surface of the upper die 5, the water injection pipe 9 and the water outlet pipe 10 are communicated with the cooling cavity 8, and the water injection pipe 9 and the water outlet pipe 10 are communicated with an external circulating cooling water pipe.

By arranging the water injection pipe 9, the water outlet pipe 10 and the cooling cavity 8, the purpose of quickly cooling the crucible can be achieved after the crucible is compressed.

An air injection cleaning mechanism is arranged between the upper die 5 and the bottom die 7.

The gas injection cleaning mechanism comprises a cylinder 11 embedded on the surface of the fixed frame 1, a piston rod 12 is arranged at the top end of the cylinder 11, the top end of the piston rod 12 is fixedly connected with the side wall of the upper die 5, a gas inlet pipe 13 and a gas outlet pipe 14 are respectively embedded at the bottom end of the cylinder 11, a one-way gas inlet valve is arranged on the surface of the gas inlet pipe 13, and a one-way gas outlet valve, a gas storage tank 21 and a solenoid valve are respectively arranged on the surface of the gas outlet pipe 14 in sequence.

An air outlet groove 15 is formed in the inner bottom wall of the bottom die 7, and the other end of the exhaust pipe 14 is communicated with the air outlet groove 15.

The inner wall fixedly connected with installation annular plate 16 of gas tank 15, the surface of installation annular plate 16 is through-hole sliding connection having lifter 17, and the top fixedly connected with of lifter 17 is used for shutoff to go out the central mould dish 18 of gas tank 15, and the cover of lifter 17 surface is equipped with the reset spring 19 that drives lifter 17 downwardly moving, and when the bottom of lifter 17 and the interior diapire of gas tank 15 support tightly, the inner cambered surface looks adaptation of central mould dish 18 and die block 7.

After the demolding is finished, the bottom die 7 is controlled to reset, the piston rod 12 compresses the cylinder 11 through the setting of the gas injection cleaning mechanism, the high-pressure gas is stored in the gas storage tank 21 in the process of die assembly, the electromagnetic valve is opened, the gas can be conveyed to the gas outlet groove 15, the pneumatic jacking center die plate 18 moves upwards, the air flow is sprayed out, the purpose of cleaning the inner wall of the side die 2 and the surface of the bottom die 7 is achieved, the waste is not required to be cleaned in additional time, and the processing efficiency of the graphite crucible is improved.

Through setting up reset spring 19, after closing the solenoid valve, reset spring 19 drives lifter 17 and moves down, can make center die 18 reset, conveniently carries out crucible compression molding operation continuously.

The working process of the utility model is as follows:

firstly, when the forming device for graphite crucible production is used in the later stage, raw materials mixed by graphite and binder are added to the surface of the bottom die 7, the upper die 5 is driven to be pressed down through the first hydraulic rod 4, the purpose of compression molding of the graphite crucible can be achieved, then the bottom die 7 is driven to be lifted through the upper die 5, the purpose of rapid demolding can be achieved, then the bottom die 7 is reset, in the process of die assembly, the piston rod 12 moves downwards along with the upper die 5 to compress gas in the cylinder 11, high-pressure gas is stored in the gas storage tank 21, the electromagnetic valve is opened, the gas can be conveyed to the gas outlet groove 15, the air pressure pushes the center die plate 18 upwards, the air flow is sprayed out, the purpose of cleaning the inner wall of the side die 2 and the surface of the bottom die 7 is achieved, workers do not need to spend extra time to clean residual materials in the die, and accordingly the efficiency of graphite crucible processing is improved.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a forming device is used in graphite crucible production, includes fixed frame, its characterized in that: the upper surface of fixed frame inlays and is equipped with the side form, and the top welding of fixed frame has the mounting bracket, and the top of mounting bracket inlays and is equipped with first hydraulic stem, and the flexible end fixedly connected with of first hydraulic stem goes up the mould, and the interior bottom wall fixedly connected with second hydraulic stem of fixed frame, the flexible end fixedly connected with die block of second hydraulic stem, die block, side form and go up the mutual adaptation of mould, and go up and be provided with gas injection clearance mechanism between mould and the die block.

2. The molding device for graphite crucible production according to claim 1, wherein: the cooling cavity is formed in the upper die, the water injection pipe and the water outlet pipe are respectively embedded in the upper surface of the upper die and are communicated with the cooling cavity, and the water injection pipe and the water outlet pipe are communicated with an external circulating cooling water pipe.

3. The molding device for graphite crucible production according to claim 1, wherein: the gas injection cleaning mechanism comprises a cylinder embedded on the surface of the fixed frame, a piston rod is arranged at the top end of the cylinder, the top end of the piston rod is fixedly connected with the side wall of the upper die, a gas inlet pipe and a gas outlet pipe are respectively embedded at the bottom end of the cylinder, a gas outlet groove is formed in the inner bottom wall of the bottom die, and the other end of the gas outlet pipe is communicated with the gas outlet groove.

4. A molding apparatus for graphite crucible production as set forth in claim 3, wherein: the inner wall fixedly connected with installation annular plate of gas tank, the surface of installation annular plate has the lifter through-hole sliding connection, and the top fixedly connected with of lifter is used for shutoff gas tank's central mould dish.

5. The molding device for producing a graphite crucible as defined in claim 4, wherein: the surface cover of lifter is equipped with the reset spring that drives the lifter and move downwards, and when the bottom of lifter and the interior bottom wall of gas outlet tank support tightly, central mould dish and the intrados looks adaptation of die block.

6. A molding apparatus for graphite crucible production as set forth in claim 3, wherein: the surface of the air inlet pipe is provided with a one-way air inlet valve, and the surface of the air outlet pipe is sequentially provided with a one-way air outlet valve, an air storage tank and an electromagnetic valve respectively.

7. The molding device for graphite crucible production according to claim 1, wherein: the lower surface of side form fixedly connected with auxiliary stay board, auxiliary stay board's upper surface and the lower surface contact of die block.