Square mold sealing structure

Abstract

The utility model discloses a square mould sealing structure, which relates to the technical field of graphite forming equipment and comprises a sealing box body, a sealing edge is arranged on the outer side of the lower end of the sealing box body, a sealing plate is arranged at the upper end of the sealing box body, and the outer edge of the sealing plate extends out of the outer side of the sealing box body. A sealing rubber sleeve is arranged between the upper end of the interior of the sealing box body and the sealing plate, the sealing box body and the sealing plate clamp and fix the sealing rubber sleeve, a connecting plate is arranged at the lower end of the outer surface of the sealing box body, a connecting edge is arranged at the position, corresponding to the connecting plate, of the outer edge of the sealing plate, and the connecting plate is connected with the sealing box body. A connecting pull rod is arranged between the connecting plate and the connecting edge, a through groove is formed in the middle of the sealing plate, the occupied effective use height of the isostatic pressing machine is reduced, sealing is conducted in a pressing plate mode, and the use space of the isostatic pressing machine is effectively released while the sealing effect is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of graphite molding equipment, in particular to a square mold sealing structure. Background Art

[0002] In the production process of isostatic graphite, the powder needs to be put into a rubber sleeve, and after vibration, sealing, vacuuming and other treatments, it is placed in a cold isostatic press for isostatic pressing. After high-pressure pressing, the powder becomes a block product, namely a green body. After the green body is processed through roasting, impregnation, graphitization and other steps, isostatic graphite is produced. During isostatic pressing, the graphite raw material needs to be placed inside the square mold, and a sealing device is set at the top of the square mold. Traditional square molds use circular sealing rings when sealing, which occupies the effective use height of the isostatic press. Utility Model Content

[0003] The utility model aims to provide a square mold sealing structure to solve the problem in the above background technology that the traditional square mold adopts a circular sealing ring when sealing, which occupies the effective use height of the isostatic press.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a square mold sealing structure, including a sealing box body, a sealing edge is provided on the outer side of the lower end of the sealing box body, a sealing plate is provided on the upper end of the sealing box body, the outer edge of the sealing plate extends to the outside of the sealing box body, a sealing rubber sleeve is provided between the inner upper end of the sealing box body and the sealing plate, the sealing box body and the sealing plate clamp and fix the sealing rubber sleeve, a connecting plate is provided on the lower end of the outer surface of the sealing box body, a connecting edge is provided at the outer edge of the sealing plate corresponding to the connecting plate, a connecting pull rod is provided between the connecting plate and the connecting edge, and a through groove is opened in the middle position of the sealing plate.

[0005] Preferably, the sealing rubber sleeve is a rectangular rubber sleeve structure with an open upper end, the closed end of the sealing rubber sleeve is arranged inside the sealing box body, and the open end of the sealing rubber sleeve extends to the upper end of the sealing box body and is sleeved onto the sealing box body.

[0006] Preferably, the sealed box body is a rectangular box body structure which is open at the top and bottom, a reinforcement angle is provided between the lower end of the outer surface of the sealed box body and the upper surface of the sealing edge, and arc transitions are provided at the four corners of the sealing edge.

[0007] Preferably, the lower end of the connecting rod is threadedly connected to a connecting nut, and the connecting nut abuts against the lower end of the connecting plate.

[0008] Preferably, a lifting lug is provided at the middle position of the connecting edge arranged at the front and rear sides of the sealing plate.

[0009] Compared with the prior art, the utility model has the beneficial effects of replacing the traditional square mold using a circular sealing ring for sealing, reducing the effective use height of the isostatic press, and using a pressure plate for sealing, thereby effectively releasing the use space of the isostatic press while ensuring the sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is an axonometric drawing of the main structure of the utility model;

[0011] Figure 2 It is an axonometric cross-sectional view of the main structure of the utility model;

[0012] Figure 3 This is a front cross-sectional view of the main structure of the utility model;

[0013] Figure 4 It is a schematic diagram of the main structure of the utility model;

[0014] Figure 5 It is a top view schematic diagram of the main structure of the utility model.

[0015] In the figure: 1-sealing box body, 2-sealing edge, 3-sealing plate, 4-sealing rubber sleeve, 5-connecting plate, 6-connecting edge, 7-connecting pull rod, 8-through groove, 9-reinforcement angle, 10-arc transition, 11-connecting nut, 12-lifting ear. DETAILED DESCRIPTION

[0016] 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.

[0017] See also Figure 1-5 The utility model provides a square mold sealing structure, including a sealing box body 1, a sealing edge 2 is provided on the outer side of the lower end of the sealing box body 1, a sealing plate 3 is provided on the upper end of the sealing box body 1, the outer edge of the sealing plate 3 extends to the outside of the sealing box body 1, a sealing rubber sleeve 4 is provided between the inner upper end of the sealing box body 1 and the sealing plate 3, the sealing box body 1 and the sealing plate 3 clamp and fix the sealing rubber sleeve 4, a connecting plate 5 is provided on the lower end of the outer surface of the sealing box body 1, a connecting edge 6 is provided at the outer edge of the sealing plate 3 corresponding to the connecting plate 5, a connecting pull rod 7 is provided between the connecting plate 5 and the connecting edge 6, and a through groove 8 is opened in the middle position of the sealing plate 3.

[0018] When in use, the sealing box body 1 is set to the upper end of the isostatic graphite mold through the sealing edge 2, and the sealing rubber sleeve 4 is clamped and fixed to the upper end of the sealing box body 1 through the sealing plate 3. The sealing end of the sealing rubber sleeve 4 is placed inside the sealing box body 1, and a certain movable space is left between the sealing rubber sleeve 4 and the sealing box body 1. A connecting plate 5 is arranged on the sealing box body 1, a connecting edge 6 is arranged on the sealing plate 3, and a pull rod 7 is arranged between the connecting plate 5 and the connecting edge 6. By tightening the pull rod 7, the sealing plate 3 is fixed to the upper end of the sealing box body 1, and the sealing rubber sleeve 4 is clamped and fixed. When the isostatic graphite mold is evacuated, the sealing rubber sleeve 4 moves downward inside the sealing box body 1 and rests on the isostatic graphite blank. When the sealing rubber sleeve 4 moves, air enters the upper end of the sealing rubber sleeve 4 from the through groove 8 opened on the sealing plate 3 to ensure the free movement of the sealing rubber sleeve 4.

[0019] The sealing rubber sleeve 4 is a rectangular rubber sleeve structure with an open upper end. The closed end of the sealing rubber sleeve 4 is arranged inside the sealing box body 1, and the open end of the sealing rubber sleeve 4 extends to the upper end of the sealing box body 1 and is sleeved on the sealing box body 1. The sealing rubber sleeve 4 and the sealing box body 1 have a rectangular structure, so that the sealing rubber sleeve 4 and the sealing box body 1 are consistent in shape and structure with the isostatic graphite mold, which ensures the sealing effect while effectively releasing the use space of the isostatic press.

[0020] The sealing box body 1 is a rectangular box structure that is open at the top and bottom. A reinforcement angle 9 is provided between the lower end of the outer surface of the sealing box body 1 and the upper surface of the sealing edge 2. Arc transitions 10 are provided at the four corners of the sealing edge 2. By providing the reinforcement angle 9, the strength between the sealing box body 1 and the sealing edge 2 is improved, and the arc transitions 10 are provided between the sealing edges 2 to prevent the sharp position of the sealing edge 2 from scratching the external equipment structure.

[0021] The lower end of the connecting rod 7 is connected to a connecting nut 11 through a thread, and the connecting nut 11 abuts against the lower end of the connecting plate 5. By screwing the connecting nut 11, the connecting rod 7 pulls and tightens the connecting plate 5 and the connecting edge 6.

[0022] A lifting lug 12 is provided in the middle of the connecting edge 6 arranged at the front and rear sides of the sealing plate 3 , and the sealing plate 3 can be hoisted by hanging on the lifting lug 12 through external hoisting equipment.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A square mold sealing structure, characterized in that: The invention comprises a sealing box body (1), wherein a sealing edge (2) is provided on the outer side of the lower end of the sealing box body (1), a sealing plate (3) is provided on the upper end of the sealing box body (1), the outer edge of the sealing plate (3) extends to the outer side of the sealing box body (1), a sealing rubber sleeve (4) is provided between the inner upper end of the sealing box body (1) and the sealing plate (3), the sealing box body (1) and the sealing plate (3) clamp and fix the sealing rubber sleeve (4), a connecting plate (5) is provided on the lower end of the outer surface of the sealing box body (1), a connecting edge (6) is provided at the outer edge of the sealing plate (3) at a position corresponding to the connecting plate (5), a connecting pull rod (7) is provided between the connecting plate (5) and the connecting edge (6), and a through groove (8) is provided in the middle position of the sealing plate (3).

2. A square mold sealing structure according to claim 1, characterized in that: The sealing rubber sleeve (4) is a rectangular rubber sleeve structure with an open upper end. The closed end of the sealing rubber sleeve (4) is arranged inside the sealing box (1), and the open end of the sealing rubber sleeve (4) extends to the upper end of the sealing box (1) and is sleeved onto the sealing box (1).

3. A square mold sealing structure according to claim 1, characterized in that: The sealing box body (1) is a rectangular box body structure which is open at the top and bottom. A reinforcement angle (9) is provided between the lower end of the outer surface of the sealing box body (1) and the upper surface of the sealing edge (2). Arc transitions (10) are provided at the four corners of the sealing edge (2).

4. A square mold sealing structure according to claim 1, characterized in that: The lower end of the connecting rod (7) is connected to a connecting nut (11) via a thread, and the connecting nut (11) abuts against the lower end of the connecting plate (5).

5. The square mold sealing structure according to claim 1, characterized in that: A lifting lug (12) is provided at the middle position of the connecting edge (6) arranged at the front and rear sides of the sealing plate (3).

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