Forming device for graphite electrode production

Abstract

The utility model discloses a forming device for graphite electrode production, which relates to the technical field of graphite electrode production, and comprises two groups of supporting legs and two groups of cross arms, the two groups of cross arms are symmetrically and fixedly arranged on the two groups of supporting legs up and down, a lower die is fixedly arranged at the upper end of the cross arm at the lower side, and the lower die consists of a shell, a die core and a blanking component; the shell is composed of a U-shaped frame, a clamping plate and a fixing plate, by arranging the lower die composed of the shell, the die core and the discharging assembly, when a formed graphite electrode is taken out of a die cavity and placed into a container, the die core and the discharging assembly can be pulled out of the shell firstly, then the die core and the discharging assembly are close to the graphite electrode container, and finally the discharging assembly is pushed; compared with the prior art, the graphite electrodes are pushed out of the die cavity through the discharging assembly, then the multiple graphite electrodes fall into the graphite electrode container, and the process that the multiple graphite electrodes need to be taken down from the upper end of the lower die one by one and put into the container is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to graphite electrode production technical field especially relates to a forming device for graphite electrode production. BACKGROUND

[0002] Graphite electrode is with petroleum coke, pitch coke as aggregate, coal tar pitch as binder, after many processes makes a kind of high-temperature-resistant graphite quality conductive material.It has high conductivity, high thermal stability, chemical stability and easy processing etc., is widely used in electric arc furnace, electric arc furnace and resistance furnace.Graphite electrode production process includes raw material calcination, crushing and grinding, batching, mixing, forming, baking, impregnation, graphitization and mechanical processing etc.

[0003] In the prior application No.CN202322342672.8 patent application, a graphite electrode extrusion forming device is proposed, although its ejector rod can push the extruded graphite electrode out of the forming groove through the extrusion block, but after pushing multiple graphite electrodes out of the forming groove, multiple graphite electrodes will be at the upper end of the lower mold, and then multiple graphite electrodes need to be taken off from the upper end of the lower mold one by one and put into the container, which is relatively cumbersome, thereby reducing the production efficiency of graphite electrode, so it needs to be improved. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a forming device for graphite electrode production, which can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is:

[0006] A forming device for graphite electrode production, comprising two groups of supporting legs and two groups of cross braces, the two groups of cross braces are symmetrically fixed and installed on the two groups of supporting legs, the upper end of the lower cross brace is fixedly installed with a lower mold, the lower mold is composed of a shell, a mold core and a blanking assembly, the shell is composed of a U-shaped frame, a clamping plate and a fixed plate, the clamping plate has two and is symmetrically fixed and installed on the inner wall of the U-shaped frame, the fixed plate has two and is symmetrically fixed and installed at both ends of the U-shaped frame, the mold core is slidingly installed in the shell, the blanking assembly is movably installed on the mold core, the blanking assembly is composed of a moving plate, a conical spring, a push rod and a push plate, the conical spring has four and is symmetrically fixed and installed on the upper end of the moving plate, the push rod has a plurality of and is uniformly fixed and installed on the upper end of the moving plate, and the push plate has a plurality of and is respectively fixed and installed on the upper end of the plurality of push rods.

[0007] Preferably, the lower end of the upper cross brace is fixedly installed with a hydraulic cylinder, and the lower end of the piston rod of the hydraulic cylinder is fixedly installed with a mounting plate.

[0008] Preferably, the lower end of the mounting plate is fixedly provided with an upper die, the upper die is composed of a base plate and extrusion columns, the extrusion columns are uniformly and fixedly provided on the lower end of the base plate, and the base plate is fixedly connected with the mounting plate.

[0009] Preferably, the shell is located at the upper end of the lower lateral support, and the fixed plate is fixedly connected with the lower lateral support.

[0010] Preferably, the upper end of the die core is uniformly provided with a plurality of die cavities, the lower end of the die core is uniformly provided with a plurality of through holes, the die cavities and the through holes are in communication with each other, two plug-in grooves are symmetrically provided at the two ends of the die core, the die core is located in the U-shaped frame, and the die core is sleeved on the clamping plate through the plug-in grooves.

[0011] Preferably, the moving plate on the blanking assembly is located below the die core, the conical spring is located at the lower end of the die core, the push rod is movably inserted into the through hole provided at the lower end of the die core, and the push plate is movably mounted in the die cavity provided at the upper end of the die core.

[0012] Compared with the prior art, the graphite electrode forming device has the following beneficial effects:

[0013] When the formed graphite electrode is taken out from the die cavity and placed into the container, the die core and the blanking assembly are first pulled out from the shell, then the die core and the blanking assembly are close to the graphite electrode container, and finally the blanking assembly is pushed, so that the graphite electrode is pushed out of the die cavity by the blanking assembly, and then the plurality of graphite electrodes fall into the graphite electrode container. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the overall structure of the utility model; Figure 1 It is an enlarged view of A of the utility model;

[0016] Figure 3 It is a schematic diagram of the structure of the shell of the utility model;

[0017] Figure 4 It is a schematic diagram of the structure of the die core and the blanking assembly after being cut of the utility model.

[0018] In the figure: 1, support leg; 2, cross brace; 3, lower mould; 4, shell; 5, mould core; 6, blanking assembly; 7, hydraulic cylinder; 8, mounting plate; 9, upper mould; 10, base plate; 11, extrusion column; 12, U-shaped frame; 13, clamping plate; 14, fixed plate; 15, plug-in slot; 16, mould cavity; 17, through hole; 18, moving plate; 19, conical spring; 20, push rod; 21, push plate. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0020] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, a forming device for graphite electrode production, including two groups of support legs 1 and two groups of cross braces 2, two groups of cross braces 2 are symmetrically fixed and installed on the two groups of support legs 1, the upper end of the lower cross brace 2 is fixedly installed with a lower mold 3, the lower mold 3 is composed of a shell 4, a mold core 5 and a blanking assembly 6, the shell 4 is composed of a U-shaped frame 12, a clamping plate 13 and a fixed plate 14, the clamping plate 13 has two and is symmetrically fixed and installed on the inner wall of the U-shaped frame 12, the fixed plate 14 has two and is symmetrically fixed and installed at both ends of the U-shaped frame 12, the mold core 5 is slidably installed in the shell 4, the blanking assembly 6 is movably installed on the mold core 5, the blanking assembly 6 is composed of a moving plate 18, a conical spring 19, a push rod 20 and a push plate 21, the conical spring 19 has four and is symmetrically fixed and installed on the upper end of the moving plate 18, the push rod 20 has several and is uniformly fixed and installed on the upper end of the moving plate 18, the push plate 21 has several and is respectively fixed and installed on the upper end of the several push rods 20, the lower end of the upper cross brace 2 is fixedly installed with a hydraulic cylinder 7, the lower end of the piston rod of the hydraulic cylinder 7 is fixedly installed with a mounting plate 8, the lower end of the mounting plate 8 is fixedly installed with an upper mold 9, the upper mold 9 is composed of a base plate 10 and an extrusion column 11, the extrusion column 11 has several and is uniformly fixed and installed on the lower end of the base plate 10, the base plate 10 is fixedly connected with the mounting plate 8, in the process of graphite electrode processing, first put the graphite electrode raw material into the mold cavity 16, and then start the hydraulic cylinder 7, at this time the piston rod of the hydraulic cylinder 7 will push down the mounting plate 8 and the upper mold 9, finally the extrusion column 11 will be inserted into the mold cavity 16 to extrude the graphite electrode raw material, so that the graphite electrode is formed under this pressure, and then control the piston rod of the hydraulic cylinder 7 to move up the mounting plate 8 and the upper mold 9 to reset, then take out the graphite electrode in batches and put it into the graphite electrode container, the method is, first pull out the mold core 5 and the blanking assembly 6 from the shell 4, then move the mold core 5 and the blanking assembly 6 close to the graphite electrode container, finally push the blanking assembly 6, so as to push the graphite electrode out of the mold cavity 16 by the blanking assembly 6, and then make the multiple graphite electrodes fall into the graphite electrode container, at this time the batch taking and placing of the graphite electrode is completed, finally install the mold core 5 and the blanking assembly 6 into the shell 4, so as to carry out the next round of graphite electrode production.

[0021] Finally, by setting the lower mold 3 composed of the shell 4, the mold core 5 and the blanking assembly 6, when taking out the formed graphite electrode from the mold cavity 16 and putting it into the container, the mold core 5 and the blanking assembly 6 can be first pulled out from the shell 4, then the mold core 5 and the blanking assembly 6 are moved close to the graphite electrode container, finally the blanking assembly 6 is pushed, so as to push the graphite electrode out of the mold cavity 16 by the blanking assembly 6, and then make the multiple graphite electrodes fall into the graphite electrode container, compared with the traditional technology, this process avoids the process of taking down the multiple graphite electrodes from the upper end of the lower mold 3 and putting them into the container one by one, so as to improve the taking and placing efficiency of the graphite electrode, and further improve the production efficiency of the graphite electrode.

[0022] Specific, the shell 4 is located in the upper end of the lower cross brace 2, the fixed plate 14 is fixedly connected with the lower cross brace 2, the upper end of the mold core 5 is uniformly provided with a plurality of mold cavities 16, the lower end of the mold core 5 is uniformly fixedly installed with a plurality of through holes 17, and the mold cavity 16 and the through hole 17 are communicated with each other, two plug-in grooves 15 are symmetrically arranged at the two ends of the mold core 5, the mold core 5 is located in the U-shaped frame 12, the mold core 5 is sleeved on the clamping plate 13 through the plug-in groove 15, the moving plate 18 on the blanking assembly 6 is located below the mold core 5, the conical spring 19 is located at the lower end of the mold core 5, the push rod 20 is movably inserted into the through hole 17 arranged at the lower end of the mold core 5, and the push plate 21 is movably installed in the mold cavity 16 arranged at the upper end of the mold core 5. When the graphite electrodes in the plurality of mold cavities 16 are taken and placed, first, the mold core 5 and the blanking assembly 6 are pulled out from the shell 4, then the mold core 5 and the blanking assembly 6 are moved close to the container containing the graphite electrodes, at this time, in order to avoid damage to the graphite electrodes when the graphite electrodes fall into the container, a soft pad can be laid on the bottom of the container, at the same time, the mold cavity 16 of the mold core 5 faces downward and is as close to the bottom of the container as possible, then the moving plate 18 on the blanking assembly 6 can be pushed towards the mold core 5, at this time, the moving plate 18 will move with the push rod 20 and the push plate 21, finally, the push plate 21 will push the graphite electrode out of the mold cavity 16, and after the graphite electrode is moved out of the mold cavity 16, it will fall into the container under the action of gravity, and when the moving plate 18 is pushed towards the mold core 5, the conical spring 19 will be compressed by the moving plate 18, when the graphite electrode is pushed out of the mold cavity 16, the moving plate 18 is released, at this time, under the elastic force of the conical spring 19, the moving plate 18, the push rod 20 and the push plate 21 will be reset, finally, the mold core 5 and the blanking assembly 6 are completely installed into the shell 4, and the mold core 5 is completely sleeved on the mounting plate 8.

[0023] The above only describes preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application. The protection scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A forming device for graphite electrode production, comprising two groups of supporting legs (1) and two groups of cross braces (2), the two groups of cross braces (2) being symmetrically fixed and installed on the two groups of supporting legs (1) in an up-down manner, characterized in that: The upper end of the lower transverse support (2) is fixedly installed with a lower die (3), which is composed of a shell (4), a die core (5) and a blanking assembly (6), the shell (4) is composed of a U-shaped frame (12), clamping plates (13) and fixed plates (14), the clamping plates (13) are two and symmetrically fixedly installed on the inner wall of the U-shaped frame (12), the fixed plates (14) are two and symmetrically fixedly installed at both ends of the U-shaped frame (12), the die core (5) is slidingly installed in the shell (4), the blanking assembly (6) is movably installed on the die core (5), the blanking assembly (6) is composed of moving plates (18), conical springs (19), push rods (20) and push plates (21), the conical springs (19) are four and symmetrically fixedly installed at the upper end of the moving plate (18), the push rods (20) are several and uniformly fixedly installed at the upper end of the moving plate (18), and the push plates (21) are several and respectively fixedly installed at the upper end of the several push rods (20).

2. The forming device for graphite electrode production according to claim 1, characterized in that: The lower end of the upper transverse support (2) is fixedly installed with a hydraulic cylinder (7), and the lower end of the piston rod of the hydraulic cylinder (7) is fixedly installed with a mounting plate (8).

3. The forming device for graphite electrode production according to claim 2, characterized in that: The lower end of the mounting plate (8) is fixedly installed with an upper die (9), and the upper die (9) is composed of a base plate (10) and extrusion columns (11), the extrusion columns (11) are several and uniformly fixedly installed at the lower end of the base plate (10), and the base plate (10) is fixedly connected with the mounting plate (8).

4. The forming device for graphite electrode production according to claim 3, characterized in that: The shell (4) is located at the upper end of the lower transverse support (2), and the fixed plate (14) is fixedly connected with the lower transverse support (2).

5. The forming device for graphite electrode production according to claim 4, characterized in that: The upper end of the die core (5) is uniformly provided with a plurality of die cavities (16), the lower end of the die core (5) is uniformly fixedly installed with a plurality of through holes (17), the die cavities (16) and the through holes (17) are in communication with each other, two plug-in grooves (15) are symmetrically formed at the two ends of the die core (5), the die core (5) is located in the U-shaped frame (12), and the die core (5) is sleeved on the clamping plate (13) through the plug-in groove (15).

6. The forming device for graphite electrode production according to claim 5, characterized in that: The moving plate (18) on the blanking assembly (6) is located below the die core (5), the conical spring (19) is located at the lower end of the die core (5), the push rod (20) is movably inserted into the through hole (17) formed at the lower end of the die core (5), and the push plate (21) is movably installed in the die cavity (16) formed at the upper end of the die core (5).

Images