CN202239423U

CN202239423U - Forging hydraulic press

Info

Publication number: CN202239423U
Application number: CN2011200734257U
Authority: CN
Inventors: 高欣
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-03-21
Filing date: 2011-03-21
Publication date: 2012-05-30
Anticipated expiration: 2021-03-21

Abstract

The utility model discloses a forging hydraulic press, which comprises a hydraulic press frame consisting of vertical columns, an upper beam and a worktable, wherein the upper ends of the vertical columns are fixedly connected with the upper beam, and the lower ends of the vertical columns are fixedly connected with the worktable. The forging hydraulic press is characterized by further comprising plunger auxiliary cylinders, a master cylinder with a single piston rod, auxiliary cylinder plungers, cover nuts, a slider and a hydraulic station. The forging hydraulic press has the advantages that two speeds are executed by different cylinders respectively so that motor power can be made full use of, a constant-power variable pump is used for reducing reactive power consumption and saving energy, heat generated in a hydraulic system is decreased, the size of an oil tank is smaller than that of equipment with the same pressure so that the use cost of the equipment is reduced, the descending speed of the slider is approximate to the speed of a forging machine while the pressure of the slider is higher than that of the forging machine, so that the rapid hydraulic press can be used for completing forging process, energy is saved and noise is reduced, the working speed is low so that observation and control are facilitated for operators, and the auxiliary cylinders are connected with the slider in a hinged mode, so that repeated positioning of the auxiliary cylinders and the master cylinder is avoided, the service lives of the cylinders are prolonged, and oil leakage is prevented.

Description

A kind of hydraulic forging press

Technical field

The utility model relates to a kind of hydraulic press, especially a kind of hydraulic forging press.

Background technology

At present, the use cost of hydraulic forging press is high, and energy resource consumption is big, and automaticity and working ability are lower, and operator's labour intensity is big, risk is high, and crudy is unstable, and oil pollution is serious, can not adapt to the demand of the big production develop rapidly of modernization.

The utility model content

The purpose of the utility model is to design a kind of hydraulic forging press, and it can solve the deficiency that exists in the prior art, reduces the equipment use cost, and both energy savings had also reduced noise, and is convenient to operator's observation and control.

The technical scheme of the utility model: a kind of hydraulic forging press; Comprise the hydraulic press framework that constitutes by column, upper beam and workbench; Described column upper end is fixedly connected with upper beam; The lower end is connected with stationary table, it is characterized in that, it also comprises, and plunger assists that cylinder, single piston master cylinder, auxilliary cylinder plug, cover are female, slide block and Hydraulic Station; Wherein, single piston master cylinder is fixed in the upper beam with the oil cylinder locking nut; The auxilliary cylinder of plunger is fixed on the workbench with the oil cylinder locking nut; The auxilliary cylinder of said auxilliary cylinder plug and plunger is formed plunger case, and auxilliary cylinder plug upper end is half hat sphere, and female hinged with the slip floating block with cover; Described cover is female to be fixedly connected with slide block with bolt, plain washer and spring washer; Described single-piston rod master cylinder lower end is fixedly connected with slide block; The defeated main end of the power of the auxilliary cylinder of described plunger and single piston master cylinder is connected the clutch end of Hydraulic Station.

Above-mentioned Hydraulic Station comprises hydraulic pump assembly, integrated oil path block, water cooler, return line I, return line II and fuel tank, and described hydraulic pump assembly, integrated oil path block and water cooler are fixed on the cover plate of fuel tank and form closed oil tank; Described integrated oil path block is connected with the single-piston rod master cylinder with the auxilliary cylinder of plunger; Described hydraulic pump is total, become output liquid to give integrated oil path block, and withdrawing fluid gets into water cooler through return line I, liquid again by water cooler through return line II oil sump tank.

In said integrated oil path block, be provided with the hydraulic differential loop, said hydraulic differential loop is connected with the auxilliary cylinder of said plunger.

Described slide block lower surface is equipped with the slide block thermal insulation board.

Described worktable upper surface is equipped with the workbench thermal insulation board.

The auxilliary cylinder of described plunger is two.

This equipment hydraulic system is controlled by electrical system.

The course of work of the utility model:

1, behind the device start, auxiliary cylinders is by the quick downwards to work of Hydraulic Station control pulling slide block;

2, master cylinder is advanced and PROPEL by Hydraulic Station control completion worker behind the arrival operating position;

3, master cylinder drove the slide block backhaul by Hydraulic Station control after work was accomplished.

The superiority of the utility model: this equipment is carried out two kinds of speed respectively by different oil cylinders, can give full play to power of motor, and power of motor is stabilized between 40%～90%; Selected permanent power and variable pump for use, reduced inactivity consumption, reached energy-conservation; Having reduced the hydraulic system heat simultaneously produces; The fuel tank size is less than same press device, material savings 20%, employed hydraulic oil has also reduced 15%, reduces the equipment use cost; Because slide block down speed is near forging bed speed, and pressure is higher than the forging bed, therefore can accomplish Forging Technology with the fast hydraulic pressure machine, both energy savings has also reduced noise; Slower because of operating rate, be convenient to operator's observation and control, slide block backhaul rapidly when danger occurring avoids accident to take place, and is safe in the forging bed, can be used as substitute products; Auxilliary cylinder is connected the employing dumpling and connects mode with slide block, avoided repeating spacingly with the master cylinder formation, has prolonged oil cylinder service life, has stopped oil impregnate.

Description of drawings

Fig. 1 is the overall structure sketch map of the utility model hydraulic forging press;

Fig. 2 is the structural representation of Hydraulic Station in the utility model hydraulic forging press;

Fig. 3 is the hydraulic differential loop sketch map that is provided with in the Hydraulic Station in the utility model hydraulic forging press.

Among the figure: 1, the auxilliary cylinder of plunger; 2, single-piston rod master cylinder; 3, auxilliary cylinder plug; 4, cover is female; 5, slide block; 6, slide block thermal insulation board; 7, workbench thermal insulation board; 8, workbench; 9, hydraulic pump assembly; 10, integrated oil path block; 11, water cooler; 12, return line I; 13, return line II, 14, fuel tank; 15, column; 16, crossbeam.

The specific embodiment

Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is further described.Following examples only are used for more clearly explaining the technical scheme of the utility model, and can not limit the protection domain of the utility model with this.

Embodiment:

A kind of hydraulic forging press (see figure 1); Comprise the hydraulic press framework that constitutes by column 15, upper beam 16 and workbench 8; Described column 15 upper ends are fixedly connected with upper beam 16; The lower end is fixedly connected with workbench 8, and it also comprises, and plunger assists that cylinder 1, single-piston rod master cylinder 2, auxilliary cylinder plug 3, cover are female 4, slide block 5 and Hydraulic Station; Wherein, single-piston rod master cylinder 2 usefulness oil cylinder locking nuts are fixed in the upper beam 16, and the auxilliary cylinder of plunger is fixed in the work with the oil cylinder locking nut; Described auxilliary cylinder plug 3 is formed plunger case with the auxilliary cylinder 1 of plunger, and auxilliary cylinder plug 3 upper ends are half hat sphere, and with cover female 4 and slide block 5 floating hinge joints; The female 4 usefulness bolts of described cover, plain washer and spring pad are fixedly connected with slide block 5 admittedly; Described single-piston rod master cylinder 2 lower ends are fixedly connected with slide block 5; The auxilliary cylinder 1 of described plunger is connected the clutch end of Hydraulic Station with the power intake of single-piston rod master cylinder 2.

Described Hydraulic Station (see figure 2) comprises hydraulic pump assembly 9, integrated oil path block 10, water cooler 11, return line I 12, return line II 13 and fuel tank 14, and described hydraulic pump assembly 9, integrated oil path block 10 and water cooler 11 are fixed on the cover plate of fuel tank 14 and form closed oil tank; Described integrated oil path block 10 is connected with single-piston rod master cylinder 2 with the auxilliary cylinder 1 of plunger; Described hydraulic pump assembly 9 output liquids are given integrated oil path block 10, and withdrawing fluid gets into water coolers 11 through return line I 12, liquid again by water cooler 11 through return line II 13 oil sump tanks 14

In said integrated oil path block, be provided with the hydraulic differential loop, said hydraulic differential loop is connected with the auxilliary cylinder of said plunger.(see figure 3)

Described slide block 5 lower surfaces are equipped with slide block thermal insulation board 6.(see figure 1)

Described workbench 8 upper surfaces are equipped with workbench thermal insulation board 7.(see figure 1)

The auxilliary cylinder 1 of described plunger is two.(see figure 1)

This equipment hydraulic system is controlled by electrical system.

The above only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model know-why, can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.

Claims

1. hydraulic forging press; Comprise the hydraulic press framework that is made up of column, upper beam and workbench, described column upper end is fixedly connected with upper beam, and the lower end is connected with stationary table; It is characterized in that it also comprises, and plunger assists that cylinder, single piston master cylinder, auxilliary cylinder plug, cover are female, slide block and Hydraulic Station; Wherein, single piston master cylinder is fixed in the upper beam with the oil cylinder locking nut; The auxilliary cylinder of plunger is fixed on the workbench with the oil cylinder locking nut; Plunger in the said auxilliary cylinder and auxilliary cylinder are formed plunger case, and the upper end of auxilliary cylinder plug is half hat sphere, and lower end floating hinge joint female with cover and slide block; Described cover is female to be fixedly connected with slide block with bolt, plain washer and spring washer; Described single-piston rod master cylinder lower end is fixedly connected with the upper end of slide block; The auxilliary cylinder of described plunger is connected the clutch end of Hydraulic Station with the power intake of single piston master cylinder.

2. hydraulic forging press according to claim 1; It is characterized in that; Described Hydraulic Station comprises hydraulic pump assembly, integrated oil path block, water cooler, return line I, return line II and fuel tank, and described hydraulic pump assembly, integrated oil path block and water cooler are fixed on the cover plate of fuel tank and form closed oil tank; Described integrated oil path block is connected with the single-piston rod master cylinder with the auxilliary cylinder of plunger; Described hydraulic pump assembly output liquid is given integrated oil path block, and withdrawing fluid gets into water cooler through return line I, liquid again by water cooler through return line II oil sump tank.

3. hydraulic forging press according to claim 2 is characterized in that, in said integrated oil path block, is provided with the hydraulic differential loop, and said hydraulic differential loop is connected with the auxilliary cylinder of said plunger.

4. hydraulic forging press according to claim 1 is characterized in that, described slide block lower surface is equipped with the slide block thermal insulation board.

5. hydraulic forging press according to claim 1 is characterized in that described worktable upper surface is equipped with the workbench thermal insulation board.

6. hydraulic forging press according to claim 1 is characterized in that, the auxilliary cylinder of described plunger is two.