Hot pressing device

Abstract

A hot-pressing device belongs to the technical field of hot-pressing equipment. The vacuum cover is arranged, the die-casting machining part is sealed, inert gas is injected into the vacuum cover through the inert gas tank, direct contact between a sample and air is isolated, and oxidation reaction is prevented in the machining process; meanwhile, a sliding rail is arranged in the vacuum cover, a sliding plate capable of sliding on the sliding rail is arranged, after die casting is completed, the sliding plate is pulled to enable the workpiece to be communicated with the sliding plate to be moved out of the sliding rail, direct manual contact with the workpiece is avoided, and therefore scalding is avoided; the hydraulic cylinder used for die casting is arranged on the lower side, under the condition that the die casting position is fixed, the overall height of the hot press can be effectively reduced, and therefore moving and mounting are convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to hot pressing equipment technical field, specifically relates to a hot pressing device. BACKGROUND

[0002] In some existing hot pressing equipment, the hydraulic device is usually installed at the top, but due to the fixed height of the workbench, the installation of the hydraulic device on the top will make the equipment too high, which is inconvenient for transportation and placement in the laboratory, and the space position is not fully utilized. Moreover, the existing hot pressing equipment generally performs hot pressing in an air atmosphere, and some substances may oxidize during the heating process. The samples prepared by using this hot pressing mechanism do not meet the performance requirements. When the sample preparation by the hot pressing equipment is completed, the sample is easily scalded when taken out of the hot pressing machine, and the safety of the operator cannot be guaranteed. SUMMARY

[0003] The utility model mainly solves the technical problem of the prior art, and provides a hot pressing device.

[0004] The above technical problems of the utility model are mainly solved by the following technical scheme: a hot pressing device, comprising an inert gas tank, an upper pressing plate and a lower pressing plate, a box body, a vacuum pump motor and a vacuum pump body, characterized in that: a plurality of support columns are supported and connected between the upper pressing plate and the lower pressing plate, the lower pressing plate is arranged on the box body through the support columns, the upper pressing plate and the support column outer cover are provided with a vacuum cover, the vacuum cover seals the support column and the upper pressing plate on the lower pressing plate, the vacuum pump motor is arranged on the vacuum pump body, and the two are an integral structure, an exhaust pipe is connected between the vacuum pump body and the vacuum cover, an air inlet pipe is connected between the inert gas tank and the vacuum cover, a switch is arranged in the air inlet pipe, a hydraulic pump body and a hydraulic cylinder are arranged in the box body, and a hydraulic cylinder pipe is connected between the two, the hydraulic cylinder is arranged at the middle position of the box body, the extension end penetrates through the lower pressing plate and extends into the vacuum cover, a lifting plate is connected to the end portion, a sliding plate is arranged on the lifting plate, and a pair of sliding rails are symmetrically arranged on the upper surface of the lower pressing plate along the extension end of the hydraulic cylinder.

[0005] Preferably, the lower pressing plate comprises a bottom plate frame, a heat insulation pad is arranged in the bottom plate frame, and a heating plate is arranged on the upper surface of the heat insulation pad.

[0006] Preferably, the width of the sliding plate is greater than that of the lifting plate, and the width of the sliding rail corresponds to the width of the sliding plate.

[0007] Preferably, a sealing door is arranged on the vacuum cover.

[0008] Preferably, the connection between the support column and the lower pressing plate is sealed, and the extension end of the hydraulic cylinder and the lower pressing plate are mechanically sealed.

[0009] The utility model discloses have beneficial effect: through setting up vacuum cover, the die casting processing part is sealed to the inert gas tank is injected into inert gas in vacuum cover through inaction, and the direct contact of sample and air is isolated, prevents the oxidation reaction in the processing process, and the slide rail is set up in vacuum cover simultaneously, and set up the slide plate that can slide on the slide rail, after the die casting is completed, the workpiece is removed by pulling the slide plate and makes the slide plate on the slide rail, avoids the direct contact with workpiece manually, thereby avoids scalding, the hydraulic cylinder for die casting is placed in downside, under the condition that the die casting position is fixed, can effectively reduce the overall height of hot press, thereby convenient for removal and installation. BRIEF DESCRIPTION OF DRAWINGS

[0010] Fig. 1 It is a structural schematic diagram of the utility model;

[0011] Fig. 2 It is a structural schematic diagram of the utility model vacuum cover inside;

[0012] Fig. 3 It is a structural schematic diagram of the utility model lower pressing plate.

[0013] In the drawing: 1, inert gas tank;2, switch;3, air inlet pipeline;4, vacuum cover;5, lower pressing plate;601, hydraulic cylinder;7, vacuum pump motor;9, vacuum pump pump body;10, exhaust pipeline;12, hydraulic pump pump body;14, hydraulic cylinder pipeline;16, box;18, upper pressing plate;21, slide plate;22, lifting plate;23, slide rail;2203, bottom plate frame;2204, heat insulation pad;2201, heating plate;404, sealing door;501, support column. DETAILED DESCRIPTION

[0014] The technical scheme of the utility model will be further specifically explained below by embodiment, and combining with the drawings.

[0015] Embodiment: a hot-pressing device, like Figs. 1-3As shown, including inert gas tank 1, upper pressing plate 18 and lower pressing plate 5, box 16, vacuum pump motor 7 and vacuum pump body 9, characterized by: the upper pressing plate 18 and the lower pressing plate 5 are supported and connected with a plurality of support columns 501, the lower pressing plate 5 is provided on the box 16 through the support column 501, the upper pressing plate 18 and the support column 501 are provided with a vacuum cover 4, the vacuum cover 4 seals the support column 501 and the upper pressing plate 18 on the lower pressing plate 5, the vacuum pump motor 7 is provided on the vacuum pump body 9, and the two are integral structure, the vacuum pump body 9 and the vacuum cover 4 are connected with exhaust pipe 10, the inert gas tank 1 and the vacuum cover 4 are connected with air inlet pipe 3, the air inlet pipe 3 is provided with switch 2, the box 16 is provided with hydraulic pump body 12 and hydraulic cylinder 601, and the two are connected with hydraulic cylinder 601 pipe, the hydraulic cylinder 601 is provided at the middle position of the box 16, and the extending end extends through the lower pressing plate 5 to the vacuum cover 4, and the end is connected with a lifting plate 22, the lifting plate 22 is placed with a sliding plate 21, and the upper surface of the lower pressing plate 5 is symmetrically provided with a pair of sliding rails 23 along the extending end of the hydraulic cylinder 601.

[0016] The lower pressing plate 5 comprises a bottom plate frame 2203, the bottom plate frame 2203 is provided with a heat insulation pad 2204, and the upper surface of the heat insulation pad 2204 is provided with a heating plate 2201;

[0017] The width of the sliding plate 21 is greater than that of the lifting plate 22, and the width of the sliding rail 23 corresponds to the width of the sliding plate 21;

[0018] The vacuum cover 4 is provided with a sealing door 404;

[0019] The connection between the support column 501 and the lower pressing plate 5 is sealed, and the extending end of the hydraulic cylinder 601 and the lower pressing plate 5 are mechanically sealed.

[0020] The utility model discloses a principle: according to the illustration installation connection all components, start equipment, the air in vacuum cover 4 is pumped into vacuum state through vacuum pump pump body 9, close vacuum pump motor 7, open inert gas tank 1, make the inert gas fill in vacuum cover 4 inside, guarantee sample in pressing process is in inert gas environment, set the temperature required by sample heating through heating plate 2201, put in sample, when temperature reaches the use requirement, start hydraulic cylinder 601, make lifting plate 22 be jacked up under the push of hydraulic cylinder 601, until with the upper pressure class contact, and make pressure reach the pressure required, then keep pressure constant can. Sample is heated and is shaped under the temperature and pressure of setting, and sample can be massive, also can be other design shape, sample is not directly and upper and lower heating plate 2201 direct contact, but first place in mould, then use presser to press mould. After sample reaches design requirement, stop heating, make hydraulic cylinder 601 move to slide rail 23, remove slide plate 21 to the outside, cooperate the slide rail 23 outside, can take down sample mould, then disassemble mould and obtain the sample required.

[0021] Finally, it should be noted that the above embodiments are only representative examples of the utility model. Obviously, the utility model is not limited to the above embodiments, and there can be many variations. Any simple modification, equivalent change and modification according to the technical essence of the utility model to the above embodiments shall be considered as falling within the protection scope of the utility model.

Claims

1. A hot pressing device, comprising an inert gas tank (1), an upper pressure plate (18) and a lower pressure plate (5), a housing (16), a vacuum pump motor (7) and a vacuum pump body (9), characterized in that: Multiple support columns (501) support and connect the upper pressure plate (18) and the lower pressure plate (5). The lower pressure plate (5) is mounted on the housing (16) via the support columns (501). A vacuum cover (4) covers the upper pressure plate (18) and the support columns (501), sealing the support columns (501) and the upper pressure plate (18) onto the lower pressure plate (5). The vacuum pump motor (7) is mounted on the vacuum pump body (9), and the two are an integral structure. An exhaust pipe (10) connects the vacuum pump body (9) and the vacuum cover (4). The inert gas tank (1) is connected to the vacuum cover (4). An air intake pipe (3) is connected between them. A switch (2) is provided in the air intake pipe (3). A hydraulic pump body (12) and a hydraulic cylinder (601) are provided in the housing (16). A hydraulic cylinder (601) pipe is connected between them. The hydraulic cylinder (601) is located in the middle of the housing (16), and its extended end extends through the lower pressure plate (5) into the vacuum chamber (4). A lifting plate (22) is connected to the end of the cylinder. A sliding plate (21) is placed on the lifting plate (22). A pair of slide rails (23) are symmetrically arranged on the upper surface of the lower pressure plate (5) along the extended end of the hydraulic cylinder (601).

2. The hot pressing device according to claim 1, characterized in that: The lower pressure plate (5) includes a base plate frame (2203), and a heat insulation pad (2204) is provided inside the base plate frame (2203). A heating plate (2201) is provided on the upper surface of the heat insulation pad (2204).

3. The hot pressing device according to claim 2, characterized in that: The width of the slide plate (21) is greater than that of the lifting plate (22), and the width of the slide rail (23) corresponds to the width of the slide plate (21).

4. The hot pressing device according to claim 3, characterized in that: A sealing door (404) is provided on the vacuum hood (4).

5. A hot pressing device according to claim 4, characterized in that: The connection between the support column (501) and the lower pressure plate (5) is sealed, and the protruding end of the hydraulic cylinder (601) is mechanically sealed with the lower pressure plate (5).

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