Graphite electrode machining die

Abstract

The utility model relates to the technical field of graphite electrode machining, and discloses a graphite electrode machining die which comprises a lower die plate, a top plate and four connecting rods, the connecting rods are connected to the four corners of the top end of the lower die plate and the four corners of the bottom end of the top plate, and a die cavity is formed in the fixed middle of the top end of the lower die plate. A fixing groove is fixedly formed in the bottom end of the lower die plate, a sealing plate is fixedly arranged below the fixing groove, and a pair of electric control telescopic columns is arranged on each of the two sides of the top end of the sealing plate. According to the utility model, the two sides of the top end of the sealing plate are respectively provided with a pair of electric control telescopic columns, and one ends of the two pairs of electric control telescopic columns slide in the pair of ejection holes formed in the two ends of the mold cavity; the two pairs of electric control telescopic columns are controlled to stretch out, so that a graphite electrode product subjected to injection molding in the mold cavity can be pushed out, the automatic demolding effect is achieved, then the reset process is achieved through shrinkage of the two pairs of electric control telescopic columns, and the machining efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of graphite electrode processing, in particular to a graphite electrode processing die. Background Art

[0002] Graphite electrodes are mainly made of petroleum coke and needle coke as raw materials, and coal tar as a binder. They are made through calcination, batching, kneading, pressing, roasting, graphitization, and machining. They are conductors that release electrical energy in the form of an arc in an electric arc furnace to heat and melt the charge. According to their quality indicators, they can be divided into ordinary power graphite electrodes, high power graphite electrodes, and ultra-high power graphite electrodes.

[0003] In the production process of graphite electrodes, the molten raw materials of graphite electrodes need to be plasticized through molds. However, it is difficult to demold the electrodes after the current plastic molds of the molten raw materials of graphite electrodes are processed and formed, which greatly affects the production efficiency of graphite electrodes.

[0004] Therefore, those skilled in the art provide a graphite electrode processing mold to solve the problems raised in the above background technology. Utility Model Content

[0005] The utility model aims to solve the shortcomings existing in the prior art and proposes a graphite electrode processing mold, wherein a pair of electrically controlled telescopic columns are arranged on both sides of the top of a sealing plate, and one end of the two pairs of electrically controlled telescopic columns slides in a pair of ejection holes opened at both ends of a mold cavity, and the two pairs of electrically controlled telescopic columns are controlled to extend so that the graphite electrode product injection molded in the mold cavity can be pushed out to achieve the effect of automatic demoulding, and then the resetting process is achieved by the contraction of the two pairs of electrically controlled telescopic columns, thereby greatly improving the processing efficiency.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A graphite electrode processing mold, comprising a lower mold plate, a top plate and four connecting rods, the top four corners of the lower mold plate and the bottom four corners of the top plate are connected with connecting rods, a mold cavity is opened in the middle of the top fixed part of the lower mold plate, a fixed groove is fixedly opened at the bottom of the lower mold plate, a sealing plate is fixedly arranged below the fixed groove, a pair of electrically controlled telescopic columns are arranged on both sides of the top of the sealing plate, and one end of the two pairs of electrically controlled telescopic columns slides in a pair of ejection holes opened at both ends of the mold cavity;

[0008] Through the above technical scheme, a pair of electrically-controlled telescopic columns are arranged on both sides of the top of the sealing plate, and one end of the two pairs of electrically-controlled telescopic columns slides in a pair of ejection holes opened at both ends of the mold cavity. By controlling the two pairs of electrically-controlled telescopic columns to extend, the graphite electrode product injection-molded in the mold cavity can be pushed out to achieve the effect of automatic demolding, and then the resetting process is achieved by contraction of the two pairs of electrically-controlled telescopic columns, thereby greatly improving the processing efficiency.

[0009] Furthermore, the top four corners of the top plate are fixedly provided with drive motors, the output ends of the four drive motors are fixedly provided with screw rods, the four screw rods are rotatably connected to the bottom ends of the connecting grooves provided at the four corners of the top of the lower template, and the outer ends of the four screw rods are threadedly sleeved with the upper template;

[0010] Through the above technical scheme, driving motors are fixedly arranged at the four corners of the top of the top plate, and screw rods are fixedly arranged at the output ends of the four driving motors. The four screw rods are rotatably connected to the bottom ends of the connecting grooves opened at the four corners of the top of the lower template, and the upper template is threadedly sleeved on the outer ends of the four screw rods to facilitate the process of mold opening and mold closing, thereby greatly improving the efficiency of injection molding and the accuracy of the fit between the mold opening and mold closing positions.

[0011] Furthermore, a sealing strip is fixedly provided at the bottom of the upper template;

[0012] Through the above technical solution, a sealing strip is fixedly arranged at the bottom of the upper mold plate to cooperate with the sealing groove to achieve a sealing effect, thereby avoiding spillage of raw materials due to loose mold closing.

[0013] Furthermore, a sealing groove is provided on the top of the lower template;

[0014] Through the above technical solution, a sealing groove is opened on the top of the lower template so as to facilitate cooperation with the sealing strip to achieve a sealing effect.

[0015] Furthermore, an injection hole is provided in the middle of the top of the upper template;

[0016] According to the above technical solution, an injection hole is provided in the middle of the top end of the upper mold plate, thereby facilitating the injection of molten processing raw materials into the mold cavity.

[0017] Furthermore, fixing bolts are fixedly provided at both ends of the sealing plate;

[0018] Through the above technical solution, fixing bolts are fixedly provided at both ends of the sealing plate, thereby facilitating the fixing of the sealing plate.

[0019] The utility model has the following beneficial effects:

[0020] 1. The utility model proposes a graphite electrode processing mold, in which a pair of electrically controlled telescopic columns are arranged on both sides of the top of a sealing plate, and one end of the two pairs of electrically controlled telescopic columns slides in a pair of ejection holes provided at both ends of a mold cavity. The two pairs of electrically controlled telescopic columns are controlled to extend so that the graphite electrode products injection molded in the mold cavity can be pushed out to achieve the effect of automatic demolding, and then the resetting process is achieved by contraction of the two pairs of electrically controlled telescopic columns, thereby greatly improving the processing efficiency.

[0021] 2. The utility model proposes a graphite electrode processing mold, in which driving motors are fixedly arranged at the four corners of the top of the top plate, and screw rods are fixedly arranged at the output ends of the four driving motors. The four screw rods are rotatably connected to the bottom ends of the connecting grooves opened at the four corners of the top of the lower template, and an upper template is threadedly sleeved on the outer ends of the four screw rods to facilitate the process of mold opening and mold closing, thereby greatly improving the efficiency of injection molding and the accuracy of the fit between the mold opening and mold closing positions. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is an isometric view of a graphite electrode processing mold proposed by the utility model;

[0023] Figure 2 This is a cross-sectional view of a graphite electrode processing mold proposed by the utility model;

[0024] Figure 3 This is a bottom view of a graphite electrode processing mold proposed by the utility model;

[0025] Figure 4 This is a front exploded view of a graphite electrode processing mold proposed by the utility model;

[0026] Figure 5 This is an exploded view from below of a graphite electrode processing die proposed by the utility model.

[0027] Legend:

[0028] 1. Lower template; 2. Connecting rod; 3. Top plate; 4. Driving motor; 5. Screw rod; 6. Upper template; 7. Connecting groove; 8. Mold cavity; 9. Sealing groove; 10. Sealing strip; 11. Injection hole; 12. Fixing groove; 13. Closing plate; 14. Fixing bolt; 15. Electric telescopic column; 16. Ejection hole. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Reference Figure 1-5 The utility model provides an embodiment: a graphite electrode processing mold, including a lower template 1 and a top plate 3 and four connecting rods 2, the top four corners of the lower template 1 and the bottom four corners of the top plate 3 are connected with connecting rods 2, the top fixed middle of the lower template 1 is provided with a mold cavity 8, the bottom of the lower template 1 is fixed with a fixed groove 12, and a sealing plate 13 is fixedly provided below the fixed groove 12, and a pair of electric control telescopic columns 15 are provided on both sides of the top of the sealing plate 13, and one end of the two pairs of electric control telescopic columns 15 is on both sides of the mold cavity 8. A pair of electrically-controlled telescopic columns 15 are provided on both sides of the top end of the sealing plate 13, and one end of the two pairs of electrically-controlled telescopic columns 15 slides in a pair of ejection holes 16 opened at both ends of the mold cavity 8. The two pairs of electrically-controlled telescopic columns 15 are controlled to extend so that the graphite electrode product injection-molded in the mold cavity 8 can be pushed out to achieve the effect of automatic demoulding, and then the resetting process is achieved by the contraction of the two pairs of electrically-controlled telescopic columns 15, which greatly improves the processing efficiency.

[0031] The top four corners of the top plate 3 are fixedly provided with driving motors 4, the output ends of the four driving motors 4 are fixedly provided with screw rods 5, the four screw rods 5 are rotatably connected to the bottom ends of the connecting grooves 7 opened at the four corners of the top end of the lower template 1, and the outer ends of the four screw rods 5 are threadedly sleeved with an upper template 6. By fixing driving motors 4 at the top four corners of the top plate 3, screw rods 5 are fixedly provided at the output ends of the four driving motors 4, the four screw rods 5 are rotatably connected to the bottom ends of the connecting grooves 7 opened at the four corners of the top end of the lower template 1, and the upper template 6 is threadedly sleeved on the outer ends of the four screw rods 5, the process of mold opening and mold closing is facilitated, the efficiency of injection molding is greatly improved, and the accuracy of the fit between the mold opening and mold closing positions is also improved. A sealing strip 10 is fixedly provided at the bottom of the template 6. By fixing the sealing strip 10 at the bottom of the upper template 6, it is convenient to cooperate with the sealing groove 9 to achieve a sealing effect, so as to avoid the raw materials from overflowing due to the loose mold closing fit. A sealing groove 9 is opened at the top of the lower template 1. By opening the sealing groove 9 at the top of the lower template 1, it is convenient to cooperate with the sealing strip 10 to achieve a sealing effect. An injection hole 11 is opened in the middle of the top of the upper template 6. By opening the injection hole 11 in the middle of the top of the upper template 6, it is convenient to inject the molten processing raw materials into the mold cavity 8. Fixing bolts 14 are fixedly provided at both ends of the sealing plate 13. By fixing the fixing bolts 14 at both ends of the sealing plate 13, it is convenient to fix the sealing plate 13.

[0032] Working principle: a pair of electrically controlled telescopic columns 15 are arranged on both sides of the top of the sealing plate 13, and one ends of the two pairs of electrically controlled telescopic columns 15 slide in a pair of ejection holes 16 opened at both ends of the mold cavity 8, and the two pairs of electrically controlled telescopic columns 15 are controlled to extend so that the graphite electrode products injection molded in the mold cavity 8 can be pushed out to achieve the effect of automatic demolding, and then the resetting process is achieved by the contraction of the two pairs of electrically controlled telescopic columns 15, which greatly improves the processing efficiency, and driving motors 4 are fixedly arranged at the four corners of the top of the top plate 3, and screw rods 5 are fixedly arranged at the output ends of the four driving motors 4, and the four screw rods 5 are rotatably connected to the bottom ends of the connecting grooves 7 opened at the four corners of the top of the lower template 1, and the upper template 6 is threadedly sleeved on the outer ends of the four screw rods 5 to facilitate the process of opening and closing the mold, thereby greatly improving the efficiency of injection molding, and at the same time, improving the accuracy of the fit between the opening and closing positions of the mold.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A graphite electrode processing mold, comprising a lower mold plate (1), a top plate (3) and four connecting rods (2), characterized in that: The four corners at the top end of the lower template (1) and the four corners at the bottom end of the top plate (3) are connected with connecting rods (2); a mold cavity (8) is opened in the fixed middle part of the top end of the lower template (1); a fixed groove (12) is fixedly opened at the bottom end of the lower template (1); a sealing plate (13) is fixedly set below the fixed groove (12); a pair of electrically controlled telescopic columns (15) are arranged on both sides of the top end of the sealing plate (13); one end of the two pairs of electrically controlled telescopic columns (15) slides in a pair of ejection holes (16) opened at both ends of the mold cavity (8).

2. A graphite electrode processing mold according to claim 1, characterized in that: A driving motor (4) is fixedly arranged at the four corners of the top of the top plate (3), and screw rods (5) are fixedly arranged at the output ends of the four driving motors (4). The four screw rods (5) are rotatably connected to the bottom ends of the connecting grooves (7) provided at the four corners of the top of the lower template (1), and the outer ends of the four screw rods (5) are threadedly sleeved with an upper template (6).

3. A graphite electrode processing mold according to claim 2, characterized in that: A sealing strip (10) is fixedly arranged at the bottom of the upper template (6).

4. A graphite electrode processing mold according to claim 1, characterized in that: A sealing groove (9) is provided on the top of the lower template (1).

5. The graphite electrode processing mold according to claim 2, characterized in that: An injection hole (11) is provided in the middle of the top end of the upper mold plate (6).

6. The graphite electrode processing mold according to claim 1, characterized in that: Both ends of the sealing plate (13) are fixedly provided with fixing bolts (14).

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