阅读说明：本技术 一种立压卧推式坩埚成型工艺 (Vertical-pressing horizontal-pushing type crucible forming process ) 是由 谢时杰 朱亚锋 吴建云 吴乐云 李新春 王启明 于 2019-11-15 设计创作，主要内容包括：本发明公开了一种立压卧推式坩埚成型工艺,涉及碳素制品液压机模压成型技术领域。该立压卧推式坩埚成型装置,包括压机下固定梁、顶推机构和卧推机构,所述压机下固定梁上设置有与顶推机构和卧推机构对应的感应开关,所述压机下固定梁的顶部通过压机立柱固定连接有压机上固定梁,所述压机下固定梁的顶部设置有下模具,所述压机立柱的表面活动套设有活动梁,所述活动梁的底部设置有上模具,所述压机上固定梁的顶部设置有压机油箱。该立压卧推式坩埚成型工艺,通过对液压成型机的简单改良,很好的实现了坩埚的压制,具有成本低,设备结构以及工艺实现简单高效的优点,提高工作效率的同时很好的保证了产品的质量。(The invention discloses a vertical-pressing and horizontal-pushing type crucible forming process, and relates to the technical field of compression molding of carbon product hydraulic presses. This found pressure bench-push formula crucible forming device, including fixed beam, thrustor mechanism and bench-push mechanism under the press, be provided with the inductive switch who corresponds with thrustor mechanism and bench-push mechanism under the press on the fixed beam, fixed beam on the press stand fixedly connected with press is passed through at the top of fixed beam under the press, the top of fixed beam is provided with the bed die under the press, the surface activity cover of press stand is equipped with the walking beam, the bottom of walking beam is provided with the mould, the top of fixed beam is provided with the press oil tank on the press. The vertical-pressing horizontal-pushing type crucible forming process has the advantages that the pressing of the crucible is well realized through the simple improvement of the hydraulic forming machine, the cost is low, the equipment structure and the process are simple and efficient, the working efficiency is improved, and meanwhile, the product quality is well guaranteed.)

1. The utility model provides a vertical compression bench press formula crucible forming device which characterized in that: including fixed beam (1), pushing mechanism (2) and bench press mechanism (9) under the press, be provided with the inductive switch who corresponds with pushing mechanism (2) and bench press mechanism (9) under the press on fixed beam (1), fixed beam (4) on the press is passed through press stand (6) fixedly connected with press at the top of fixed beam (1) under the press, the top of fixed beam (1) is provided with bed die (8) under the press, the surface activity cover of press stand (6) is equipped with walking beam (5), the bottom of walking beam (5) is provided with mould (7), the top of fixed beam (4) is provided with press machine oil tank (3) on the press.

2. The vertical-compression horizontal-pushing type crucible forming device as claimed in claim 1, wherein: the number of the press upright posts (6) is four, and the press upright posts are symmetrically distributed on four corners of the upper surface of the press lower fixing beam (1).

3. The vertical-compression horizontal-pushing type crucible forming device as claimed in claim 1, wherein: the pushing mechanism (2) and the horizontal pushing mechanism (9) are driven by an oil cylinder or a motor.

4. A vertical-pressing horizontal-pushing type crucible forming process is characterized in that: the vertical-pressing horizontal-pushing type crucible forming device comprises the vertical-pressing horizontal-pushing type crucible forming device and adopts the following steps:

s1, resetting the vertical-pressing horizontal-pushing type crucible forming device to complete material distribution of the lower mold (8), wherein the lower mold (8) is in a vertical state, a piston rod of the horizontal-pushing mechanism (9) extends out, a piston rod of the pushing mechanism (2) retracts, and the retracting position is determined by the position of the induction switch;

s2, the movable beam (5) drives the upper die (7) to descend together, and after the movable beam descends to the right position, the movable beam ascends to the high position through pressure maintaining and pressure relief;

s3, slowly falling down the lower die (8) to be in a horizontal state under the driving of the horizontal pushing mechanism (9), and then ejecting a piston rod of the pushing mechanism (2) until the crucible in the outer die is pushed out of the die;

s4, rapidly retracting the piston rod of the horizontal pushing mechanism (9), slowly erecting the lower die (8) into a vertical state under the driving of the horizontal pushing mechanism (9), and repeating the step S1 to carry out continuous production.

5. The vertical-compression horizontal-pushing type crucible forming process as claimed in claim 4, wherein: in step S1, the retraction positions of the horizontal pushing mechanism (9) and the pushing mechanism (2) are determined by the positions of the corresponding inductive switches on the lower fixing beam (1) of the press.

Technical Field

The invention relates to the technical field of compression molding of carbon product hydraulic presses, in particular to a vertical-compression horizontal-pushing type crucible molding process.

Background

The graphite crucible has good thermal conductivity and high temperature resistance, and has small thermal expansion coefficient and certain strain resistance to rapid heating and rapid cooling in the high-temperature use process. Has strong corrosion resistance to acid and alkaline solutions and excellent chemical stability. In the industrial departments of metallurgy, casting, machinery, chemical engineering and the like, the smelting method is widely used for smelting alloy tool steel and smelting non-ferrous metals and alloys thereof, and has better technical and economic effects.

Compression molding has been a traditional molding process for a long time and is well established in the fields of injection molding and the like, but is not used in the field of manufacturing carbon graphite crucibles.

In the prior art, the manufacture of a hollow water-tank graphite crucible mainly comprises compression molding, vibration molding and isostatic pressing, wherein the vibration molding and the isostatic pressing are mainly used for producing solid graphite electrodes, the compression molding is mainly used during the production of the graphite crucible, the structure of vibration molding equipment is complex, and the process efficiency is not high.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a vertical-pressing horizontal-pushing type crucible forming process, which solves the problems that in the prior art, the manufacture of a hollow water-vat type graphite crucible mainly comprises compression molding, vibration molding and isostatic pressing, wherein the vibration molding and the isostatic pressing are mainly used for producing solid graphite electrodes, the compression molding is mainly used during the production of the graphite crucible, the structure of vibration molding equipment is complex, and the process efficiency is low.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a found pressure bench press formula crucible forming device, includes fixed beam, pushing mechanism and bench press mechanism under the press, be provided with the inductive switch who corresponds with pushing mechanism and bench press mechanism under the press on the fixed beam, fixed beam on the press stand fixedly connected with press is passed through at the top of fixed beam under the press, the top of fixed beam is provided with the bed die under the press, the surperficial movable sleeve of press stand is equipped with the walking beam, the bottom of walking beam is provided with the mould, the top of fixed beam is provided with the press oil tank on the press.

Preferably, the number of the press upright columns is four, and the press upright columns are symmetrically distributed on four corners of the upper surface of the lower fixing beam of the press.

Preferably, the pushing mechanism and the horizontal pushing mechanism are driven by oil cylinders or motors.

A vertical-pressing horizontal-pushing type crucible forming process comprises the vertical-pressing horizontal-pushing type crucible forming device and comprises the following steps:

s1, resetting the vertical-pressing horizontal-pushing type crucible forming device to complete material distribution of the lower die, wherein the lower die is in a vertical state, a piston rod of the horizontal-pushing mechanism extends out, a piston rod of the pushing mechanism retracts, and the retracting position is determined by the position of the induction switch;

s2, the movable beam drives the upper die to descend together, and after the movable beam descends to the proper position, the movable beam ascends to the high position through pressure maintaining and pressure relief;

s3, slowly falling down the lower die into a horizontal state under the driving of the horizontal pushing mechanism, and then ejecting a piston rod of the ejecting mechanism until the crucible in the outer die is ejected out of the die;

s4, rapidly retracting the piston rod of the horizontal pushing mechanism, slowly erecting the lower die into a vertical state under the driving of the horizontal pushing mechanism, and repeating the step S1 to carry out continuous production.

Preferably, in step S1, the retraction positions of the horizontal pushing mechanism and the pushing mechanism are determined by the positions of the corresponding inductive switches on the lower fixing beam of the press.

(III) advantageous effects

The invention provides a vertical-pressing horizontal-pushing type crucible forming process. The method has the following beneficial effects: the vertical-pressing horizontal-pushing type crucible forming process has the advantages that the pressing of the crucible is well realized through the simple improvement of the hydraulic forming machine, the cost is low, the equipment structure and the process are simple and efficient, the working efficiency is improved, and meanwhile, the product quality is well guaranteed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a diagram illustrating the states of the components in step S1 according to the present invention;

FIG. 3 is a diagram illustrating the states of the components in step S2 according to the present invention;

FIG. 4 is a diagram illustrating the states of the components in step S3 according to the present invention;

fig. 5 is a schematic diagram illustrating states of the components in step S4 according to the present invention.

In the figure: 1. a lower fixed beam of the press; 2. a pushing mechanism; 3. a press oil tank; 4. fixing a beam on a press; 5. a movable beam; 6. a press column; 7. an upper die; 8. a lower die; 9. a bench press mechanism.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a found pressure bench press formula crucible forming device, fixed beam 1 under the press, pushing mechanism 2 and bench press mechanism 9 are oil cylinder drive or motor drive, be provided with the inductive switch who corresponds with pushing mechanism 2 and bench press mechanism 9 under the press on the fixed beam 1, fixed beam 4 on the press is passed through press stand 6 fixedly connected with press at the top of fixed beam 1 under the press, the quantity of press stand 6 is four, and symmetric distribution is on four angles of fixed beam 1 upper surface under the press, the top of fixed beam 1 is provided with bed die 8 under the press, the movable sleeve of surface activity of press stand 6 is equipped with walking beam 5, the bottom of walking beam 5 is provided with mould 7, the top of fixed beam 4 is provided with press oil tank 3 on the press.

A vertical-pressing horizontal-pushing type crucible forming process comprises the vertical-pressing horizontal-pushing type crucible forming device and comprises the following steps:

s1, resetting the vertical-pressing horizontal-pushing type crucible forming device to complete material distribution of the lower mold 8, wherein the lower mold 8 is in a vertical state, a piston rod of the horizontal-pushing mechanism 9 extends out, a piston rod of the pushing mechanism 2 retracts, and the retracting position is determined by the position of the induction switch, wherein the retracting positions of the horizontal-pushing mechanism 9 and the pushing mechanism 2 are determined by the position of the corresponding induction switch on the lower fixing beam 1 of the press;

s2, the movable beam 5 drives the upper die 7 to descend together, and after the movable beam descends to the proper position, the movable beam ascends to the high position through pressure maintaining and pressure relief;

s3, slowly falling down the lower die 8 to be in a horizontal state under the drive of the horizontal pushing mechanism 9, and then ejecting a piston rod of the ejecting mechanism 2 until the crucible in the outer die is ejected out of the die;

s4, the piston rod of the horizontal pushing mechanism 9 retracts rapidly, the lower die 8 is driven by the horizontal pushing mechanism 9 to be erected slowly to be in a vertical state, and the step S1 is repeated, so that continuous production is carried out.

In conclusion, the vertical-pressing horizontal-pushing type crucible forming process well realizes pressing of the crucible through simple improvement of the hydraulic forming machine, has the advantages of low cost, simple and efficient equipment structure and process realization, improves the working efficiency and simultaneously well ensures the product quality.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.