CN219133312U

CN219133312U - Wet-pressing forming hydraulic press

Info

Publication number: CN219133312U
Application number: CN202223187930.1U
Authority: CN
Inventors: 张海波
Original assignee: Sinomag Technology Co ltd
Current assignee: Sinomag Technology Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-06-06
Anticipated expiration: 2032-11-29

Abstract

The utility model discloses a wet-pressing forming hydraulic press which comprises a fixed frame, an oil cylinder assembly, a hydraulic oil tank, an upper pressing iron and a die frame. The fixing frame comprises an upper fixing plate and a lower fixing plate; the upper fixing plate is arranged on the lower fixing plate through a plurality of guide posts; the oil cylinder component is arranged on the upper fixing plate; the hydraulic oil tank is connected with the oil inlet end of the oil cylinder assembly through a liquid filling pipe, and a liquid filling valve is arranged in the liquid filling pipe; the upper weight is arranged on the telescopic end of the oil cylinder assembly; the die carrier is arranged on the lower fixing plate; when the hydraulic oil tank is used for injecting oil into the oil inlet end of the oil cylinder assembly, the telescopic end of the oil cylinder assembly drives the upper pressing iron to ascend or descend. By eliminating the auxiliary oil tank on the existing equipment, only one hydraulic oil tank is reserved, the normal working function of the hydraulic machine is kept, the space is saved, and the structural appearance is more attractive.

Description

Wet-pressing forming hydraulic press

Technical Field

The utility model relates to the technical field of permanent ferrite product presses, in particular to a wet-pressing forming hydraulic press.

Background

The ferrite permanent magnetic material is produced by the steps of preparation of aqueous slurry, wet-pressing forming, sintering, grinding, sorting and packaging, wherein the wet-pressing forming is a key process, the investment of the wet-pressing forming is more than half of the whole production line, the advantages and disadvantages of a forming press are directly related to the performance, the efficiency and the benefit of a green body, and the wet-pressing forming press is paid attention to by production enterprises.

Referring to fig. 1, the present wet-pressing hydraulic press mainly includes an upper fixing plate 2, an oil cylinder assembly is mounted on the upper fixing plate 2, a mounting frame is disposed on the upper surface of the upper fixing plate, an auxiliary oil tank 1 is mounted on the mounting frame, and the auxiliary oil tank 1 is connected with a hydraulic main oil tank. The auxiliary oil tank is a round iron barrel, occupies a large part of space, and is also required to be provided with a mounting rack on the upper fixing plate, so that the whole structure is bulkier; meanwhile, an oil supply pipe, an oil return pipe and the like are additionally arranged between the auxiliary oil tank and the hydraulic main oil tank, so that a pipeline is complex.

Accordingly, improvements to existing hydraulic press designs are needed.

Disclosure of Invention

The utility model aims to provide a wet-pressing forming hydraulic machine.

The technical problems solved by the utility model are as follows: the existing hydraulic machine occupies large space and has complex pipelines.

The aim of the utility model can be achieved by the following technical scheme:

a wet-pressing forming hydraulic press comprises a fixed frame, an oil cylinder assembly, a hydraulic oil tank, an upper pressing iron and a die carrier.

The fixing frame comprises an upper fixing plate and a lower fixing plate; the upper fixing plate is arranged on the lower fixing plate through a plurality of guide posts;

the oil cylinder component is arranged on the upper fixing plate;

the hydraulic oil tank is connected with the oil inlet end of the oil cylinder assembly through a liquid filling pipe, and a liquid filling valve is arranged in the liquid filling pipe;

the upper weight is arranged on the telescopic end of the oil cylinder assembly;

the die carrier is arranged on the lower fixing plate;

when the hydraulic oil tank is used for injecting oil into the oil inlet end of the oil cylinder assembly, the telescopic end of the oil cylinder assembly drives the upper pressing iron to ascend or descend.

As a further scheme of the utility model: the oil cylinder assembly comprises a cylinder body, a piston and a piston rod.

The cylinder body is connected to the upper fixing plate;

the piston is movably arranged in the cylinder body and divides the inner cavity of the cylinder body into an upper cavity and a lower cavity;

one end of the piston rod is fixedly connected with the piston, and the other end of the piston rod movably penetrates out of the cylinder body and is fixedly connected with the upper pressure iron;

wherein, the upper cavity and the lower cavity are both provided with an oil inlet and an oil return port; the oil inlet and the oil return port are connected with a hydraulic oil tank through a liquid filling pipe.

As a further scheme of the utility model: a sealing ring is arranged between the piston and the inner wall of the cylinder body; and a sealing ring is arranged between the piston rod and the cylinder body.

As a further scheme of the utility model: and buffer structures are arranged at the top of the upper cavity and the bottom of the lower cavity.

As a further scheme of the utility model: the middle part of the upper fixing plate is provided with a through hole; the cylinder body is fixedly arranged in the through hole.

As a further scheme of the utility model: an adjusting component is arranged on the lower fixing plate; the adjusting component is used for adjusting the position of the die carrier.

The utility model has the beneficial effects that:

the wet-pressing forming hydraulic press comprises a fixed frame, an oil cylinder assembly, a hydraulic oil tank, an upper pressing iron, a die carrier and the like. By eliminating the auxiliary oil tank on the existing equipment, only one hydraulic oil tank is reserved, the normal working function of the hydraulic machine is kept, the space is saved, and the structural appearance is more attractive.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of a prior art hydraulic machine;

FIG. 2 is a schematic view of the wet press forming hydraulic machine of the present utility model;

FIG. 3 is a schematic view of the structure of the cylinder assembly of the present utility model;

fig. 4 is a schematic structural view of the lower fixing plate of the present utility model.

In the figure: 1. an auxiliary oil tank; 2. an upper fixing plate; 3. an auxiliary plate; 4. a guide post; 5. a lower fixing plate; 501. a groove; 6. a weight is arranged; 7. a mould frame; 8. an oil cylinder assembly; 9. a liquid filling pipe; 10. a hydraulic oil tank; 11. a cylinder; 12. a piston rod; 13. a piston; 14. a screw; 15. and (3) abutting against the plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 2-4, the present utility model is a wet press forming hydraulic press, which includes a fixing frame, an oil cylinder assembly 8, a hydraulic oil tank 10, an upper press iron 6, a die carrier 7, and the like. The auxiliary oil tank 1 on the existing equipment is omitted, only one hydraulic oil tank 10 is reserved, space is saved, and the structural appearance is more attractive. Wherein, the upper weight 6 is arranged on the telescopic end of the oil cylinder component 8; the die carrier 7 is arranged on the lower fixing plate 5; when the hydraulic oil tank 10 is used for filling oil into the oil inlet end of the oil cylinder assembly 8, the telescopic end of the oil cylinder assembly 8 drives the upper weight 6 to ascend or descend.

In the present utility model, the fixing frame includes an upper fixing plate 2 and a lower fixing plate 5; the upper fixing plate 2 is arranged on the lower fixing plate 5 through a plurality of guide posts 4, and foot pads are arranged at the bottoms of the upper fixing plate 5 and the lower fixing plate 5. Specifically, the upper and

lower fixing plates

2 and 5 are parallel to each other, and the sizes of the upper and

lower fixing plates

2 and 5 may be set to be the same. The guide posts 4 are located at the corners of the upper fixing plate 2 and the lower fixing plate 5, and referring to fig. 2, four guide posts 4 are provided, and the guide posts 4 are of a round rod type. In some embodiments, thread segments can be further arranged at two ends of the guide post 4, the two ends of the guide post 4 penetrate through the upper fixing plate 2 and the lower fixing plate 5, the two fixing plates are fixed on the thread segments through nut sleeving, and when the disassembly is needed, the nuts can be taken down. In a further embodiment, the auxiliary plate 3 may be further provided with a sleeve on the auxiliary plate 3, the sleeve is slidably sleeved outside the guide post 4, and the upper weight 6 is fixed on the auxiliary plate 3, so that stability of the upper weight 6 may be improved.

In the present utility model, the cylinder assembly 8 is provided on the upper fixing plate 2. Specifically, referring to fig. 3, the cylinder 11 assembly includes a cylinder 11, a piston 13, and a piston rod 12. The cylinder body 11 is connected to the upper fixing plate 2; the piston 13 is movably arranged in the cylinder body 11 and divides the inner cavity of the cylinder body 11 into an upper cavity and a lower cavity; one end of a piston rod 12 is fixedly connected with a piston 13, and the other end of the piston rod movably penetrates out of the cylinder body 11 and is fixedly connected with the upper pressure iron 6; wherein, the upper cavity and the lower cavity are both provided with an oil inlet and an oil return port; the oil inlet and the oil return port are both connected with a hydraulic oil tank 10 through a liquid filling pipe 9. In operation, when oil in the hydraulic oil tank 10 is injected into the upper cavity, the piston rod 12 and the piston 13 drive the upper weight 6 to descend, and when oil in the hydraulic oil tank 10 is injected into the lower cavity, the piston rod 12 and the piston 13 drive the upper weight 6 to ascend. During oil return, the piston rod 12 and the piston 13 drive the upper weight 6 to reset.

Of course, in some embodiments of the utility model, a sealing ring is arranged between the piston 13 and the inner wall of the cylinder 11; a sealing ring is arranged between the piston rod 12 and the cylinder body 11. The sealing ring can be arranged in a sealing way. In other embodiments, the upper and lower chamber tops and bottoms may also be provided with cushioning structures. The buffer structure may be provided in the form of a spring, may be provided in the form of an elastic rod, elastic silica gel or the like, and prevents the piston 13 from striking the end wall during the ascent or descent, causing damage to the cylinder 11.

In a further embodiment of the present utility model, a through hole may be further formed in the middle of the upper fixing plate 2; the cylinder 11 is fixedly installed in the through hole. Further saving in air drop is achieved by hiding a part of the cylinder 11 in the upper fixing plate 2.

In the utility model, a hydraulic oil tank 10 is connected with an oil inlet end of the oil cylinder assembly 8 through a liquid filling pipe 9, and a liquid filling valve is arranged in the liquid filling pipe 9. Specifically, the hydraulic oil tank 10 is connected with an oil inlet and an oil return port on the cylinder body 11. The hydraulic oil tank 10 may also be provided with corresponding check valves, integrated cartridge valve blocks, remote control integrated cartridge valve blocks, etc.

In one embodiment of the present utility model, the lower fixing plate 5 is provided with an adjusting assembly; the adjusting component is used for adjusting the position of the die carrier 7. Specifically, referring to fig. 4, the adjusting assembly includes four screws 14, the four screws 14 are disposed in four directions, and are respectively rotatably disposed on a side wall of a preset groove 501 of the lower fixing plate 5, and an abutting plate 15 is disposed at one end of the screw 14 located in the groove 501; the abutting plate 15 is in contact with the side wall of the die carrier 7, and the position of the die carrier 7 on the lower fixing plate 5 can be changed through the cooperation of the screws 14 in four directions, so that the applicability is improved.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. A wet press forming hydraulic press comprising:

the fixing frame comprises an upper fixing plate (2) and a lower fixing plate (5); the upper fixing plate (2) is arranged on the lower fixing plate (5) through a plurality of guide posts (4);

the oil cylinder assembly (8) is arranged on the upper fixing plate (2);

the hydraulic oil tank (10) is connected with the oil inlet end of the oil cylinder assembly (8) through a liquid filling pipe (9), and a liquid filling valve is arranged in the liquid filling pipe (9);

an upper weight (6) mounted on the telescoping end of the cylinder assembly (8); and

a die carrier (7) mounted on the lower fixing plate (5);

when the hydraulic oil tank (10) is used for injecting oil into the oil inlet end of the oil cylinder assembly (8), the telescopic end of the oil cylinder assembly (8) drives the upper weight (6) to ascend or descend.

2. A wet press forming hydraulic machine according to claim 1, characterized in that the cylinder assembly (8) comprises:

a cylinder (11) connected to the upper fixing plate (2);

the piston (13) is movably arranged in the cylinder body (11) and divides the inner cavity of the cylinder body (11) into an upper cavity and a lower cavity; and

one end of the piston rod (12) is fixedly connected with the piston (13), and the other end of the piston rod is movably penetrated out of the cylinder body (11) and is fixedly connected with the upper weight (6);

wherein, the upper cavity and the lower cavity are both provided with an oil inlet and an oil return port; the oil inlet and the oil return port are both connected with a hydraulic oil tank (10) through a liquid filling pipe (9).

3. A wet compression molding hydraulic machine according to claim 2, characterized in that a sealing ring is arranged between the piston (13) and the inner wall of the cylinder (11); a sealing ring is arranged between the piston rod (12) and the cylinder body (11).

4. The hydraulic wet press forming machine according to claim 2, wherein the upper chamber top and the lower chamber bottom are each provided with a buffer structure.

5. The wet press forming hydraulic machine according to claim 2, wherein a through hole is formed in the middle of the upper fixing plate (2); the cylinder body (11) is fixedly arranged in the through hole.

6. A wet-pressing hydraulic press as claimed in claim 1, wherein the lower fixing plate (5) is provided with an adjusting assembly; the adjusting component is used for adjusting the position of the die carrier (7).