CN2187535Y - Vertical column guiding type hydraulic machine - Google Patents

Abstract

The utility model relates to a vertical column guiding type hydraulic machine, composed of a host, a hydraulic power unit and a controller. The utility model is characterized in that the host is provided with a steel plate welded structure frame (1) which can bear operating pressure load, and a vertical column (3) with guiding function is fixed on the frame (1). The utility model has the advantages of reasonable structure and working condition, smaller size and dimension than that of the ordinary four-column type press, less material consumption, easy manufacture, transportation, installation and adjustment, and higher precision of manufacturing. The press forming precision of the utility model is 0.16MM / 1000MM, and the weight and the cost of the machine can lower by 30-50%. The utility model can be particularly used as large tonnage press pressure with high accuracy for machinery, light industry, manufacture of building materials, etc.

Description

Vertical column guiding type hydraulic machine

The utility model relates to Pillar Stand Guiding Type Hydropress, belongs to the press technical field.

Along with industrial development and technological progress, hydraulic press has become the press device that many industries such as machinery, building materials, light industry are generally used, and its pressure tonnage is increasing, and the compression moulding precision is more and more higher.Aspect the compacting precision, guarantee that built-in beam remains the highly parallel decisive significance that has with the walking beam working face in pressing process.Therefore, four-column hydraulic press has obtained using the most widely with the precision advantage.But, the rigid frame that the main frame of existing four-column hydraulic press is above, sill and four root posts are fastened as one by nut and form is as frame, its column is as the guide of walking beam, requirement has higher processing precision, should run through whole frame as structural member, bear whole operating pressure loads, require to have bigger intensity and rigidity again.Along with the development of press, the pressure tonnage is more and more big, thereby the size of column and corresponding parts also strengthens day by day.This has caused a series of difficulties just for processing, transportation, installation and the adjustment of hydraulic press.So this column hydraulic press consumption of materials, volume, weight are big, processing, transportation, install and adjust difficulty, involve great expense, can not satisfy the needs of industry and technical development.

The purpose of this utility model is to improve the four-column hydraulic press structure, improves its parts duty, designs a kind of compression moulding precision height, material consumption is few, and is in light weight, and volume is little, the pressure tonnage is big, and processing, transportation, installation and adjustment are easier to, the hydraulic press that cost is lower.

The utility model is a kind of Pillar Stand Guiding Type Hydropress, by main frame, provide the hydraulic means of power and control device thereof to constitute to main frame, main feature is: main frame (Fig. 1～3) has the steel metal plate Welding Structure frame 1 of the operating pressure of bearing load, column 3 is fixed on the frame 1, and mainly play the guiding role.Other characteristics comprise: frame 1 is the affixed fabricated structure that forms of frame assembly assembly unit that is welded into steel metal plate 15, muscle metal plate 9,14,17 by several; Column 3 only is arranged on walking beam work section, and is fixed in frame 1 by built-in beam 2, axle bed 6 and nut 7.

This hydraulic press system is made of main frame, hydraulic power unit and control device thereof.Main frame has frame 1, column 3, built-in beam 2, walking beam 4, axle bed 6, nut 7 and hydraulic cylinder.Frame 1 is the frame structure that is welded by two blocks of steel metal plates 15 and muscle metal plate 9,14,17.Along with the increasing of pressure tonnage, frame 1 can be to be connected and the affixed fabricated structure that forms of welding method with bolt after the assembly unit at the scene by several steel metal plate Welding Structure frame assemblies.This frame structure is very compact, can bear very big load with reduced size, thereby reduces material usage, the volume and weight of press; Its fabricated structure can adapt to the great tonnage press development need not increasing processing, transportation, install and adjust under the hard situation again.Frame 1 and built-in beam upper surface and cylinder body 11 contacted positions process processing are to guarantee that contact evenly.The effect that frame 1 has the operating pressure of bearing load and supports other parts.When press was installed, frame 1 was fixed in reinforced concrete foundation by foundation bolt 8.Built-in beam 2 is foundry goods, upper and lower surface is through processing, have the required flatness and the depth of parallelism, its pilot hole axis normal is in lower surface, hole count equates with the column number, and these holes are once to be installed with the walking beam pilot hole to process, with guarantee to have required axiality between respective aperture, axis parallel degree and to the vertical precision of built-in beam lower surface and walking beam upper surface.Built-in beam 2 is fixed in frame 1 by bolt 16, plays installation and vertical columns 3, bears the operating pressure load.Walking beam 4 is foundry goods, and upper and lower surface is through processing, and upper surface is the press bed face, has required flatness precision, is connected with hydraulic cylinder piston 10 by ball ring 13 below.The pilot hole that walking beam 4 has number to equate with the column number, its pilot hole axis normal is equipped with anti-wearing liner 5 in work top in the hole, to adapt to operation under adverse circumstances, can in time change after wearing and tearing, remains required guiding accuracy.Walking beam 4 is sleeved on the column 3, workbench as press, under hydraulic cylinder piston 10 thrusting actions, under column 3 accurately leads up (pressing to the built-in beam work top) moves down with the mould on the work top or other workpiece, and operation accurately is pressed.Column 3 is mainly walking beam 4 and play the guiding role, and can share the partial pressure load, alleviates the service load of frame 1.The number of column 3 can be determined according to concrete needs, be preferably four.Column 3 can run through whole frame 1, but preferably only is located at walking beam work section, to reduce the size of it and corresponding parts, makes things convenient for its processing, transportation, installation and adjustment, reaches higher processing and guiding accuracy.Column upper end is contained in the built-in beam pilot hole, and the lower end is contained in its axle bed hole, is between it and these holes and lining endoporus to be slidingly matched.Column two ends have screw thread.During assembling, column 3 is fixed in frame 1 by means of nut 7, axle bed 6 and built-in beam 2.Hydraulic cylinder is the walking beam actuator, can make transmission medium with oil or other liquid.According to pressure tonnage size, can use one or several hydraulic cylinder.11 jails of hydraulic cylinder body are on frame 1, and piston 10 is connected in ball to pad 13, and working solution is imported and exported and is connected in hydraulic power unit by pipeline.Hydraulic power unit mainly is made of working liquid container, high-pressure pump, low-lift pump, valve, pipeline and joint, and its operating valve can be guiding valve or logical valve.Control device can be the electrichydraulic control formula, for example PC control formula or common relay control formula.Maneuver control device, just can make hydraulic power unit work, need change working fluid pressure, flow and the flow direction by operation, drive hydraulic cylinder piston 10 work: after the mould that installs molding mass or other workpiece are placed on the workbench, piston 10 rises under flange 12 guiding, promoting walking beam 4 accurately is being with under the guiding mould or workpiece up at column 3, press to built-in beam 2 work tops, operation is pressed: after the moulding, piston 10 and walking beam 4 backhauls, take out compacted products or workpiece, finish the compacting work cycle.

Easily see by above-mentioned, compared with prior art, the utility model Pillar Stand Guiding Type Hydropress adopts the very strong steel metal plate Welding Structure framework of load capacity as frame 1, bear the operating pressure load, column 3 mainly play the guiding role, can only be arranged at walking beam work section, therefore have series of advantages: the parts operating mode is reasonable, and size and volume are little, and material consumption is few, machine heavily alleviates more than 30%～50%, processing easily, transportation, assembling and adjustment can reach higher processing, assembly precision, built-in beam 2 can reach 0.16mm/1000mm with the work top depth of parallelism of walking beam 4, compression moulding precision height, cost reduces more than 30～50%.This satisfies the more and more higher requirement of industry and scientific and technological circle and has opened up wide prospect just for further developing large-tonnage high-precision hydraulic machine.

Fig. 1 is the front view of the utility model hydraulic press.

Fig. 2 is the left view of hydraulic press shown in Figure 1.

Fig. 3 is the A-A cutaway view among Fig. 1.

Embodiment

A kind of Pillar Stand Guiding Type Hydropress is by main frame, provides the hydraulic means of power and control device thereof to constitute to main frame.Main frame has frame 1, column 3, built-in beam 2, walking beam 4, axle bed 6, nut 7 and oil cylinder, is working media with pressure oil.Frame 1 is to use welding and the affixed all-in-one-piece fabricated structure of bolt method of attachment after the assembly unit at the scene with two frame assemblies that are welded into by steel metal plate 15, muscle metal plate 9,14,17, the composition surface of itself and built-in beam 2 and cylinder body 11 is a machined surface, to guarantee the contact uniformity.The effect that frame 1 has the operating pressure of bearing load and supports other parts.When mounted, frame 1 is fixed in reinforced concrete foundation by foundation bolt 8.Built-in beam 2 is upper and lower surface foundry goods through processing, processing mask has the required depth of parallelism and flatness precision, four axis normal pilot hole and some screwed holes in lower surface are arranged on it, be fixed in frame 1 by bolt 16, play installation and fixed guide column 3, bear pressure load as workbench.Walking beam 4 is foundry goods, and upper and lower surface is parallel to each other through processing, has required flatness precision, and its four pilot holes systems once are installed with the built-in beam pilot hole and process, and the coaxial or axis of respective aperture parallels, and perpendicular to work top.Removable anti-wearing liner 5 is housed in the walking beam pilot hole.Walking beam 4 is sleeved on the guide upright post 3, and as the workbench of press, its underpart is connected in oil cylinder piston 10 by ball ring 13, can be by means of up the moving down of column 3 guiding under piston 10 thrusting actions, and operation accurately is pressed.Column 3 has four, mainly play the guiding role, and can share the partial pressure load, alleviates the operating load of frame 1.Column 3 only is arranged on walking beam work section, and the upper end is contained in the built-in beam pilot hole, and the lower end is loaded in its axle bed hole, and is between these holes and walking beam pilot hole lining endoporus and is slidingly matched.Guide upright post two ends have screw thread.During assembling, column 3 is fixed in frame 1 by means of axle bed 6, nut 7 and built-in beam 2.Oil cylinder has four, and thrust is 400 tons respectively, is the walking beam actuator, and 11 jails of its cylinder body are on the quadra structure of frame 1, and piston 10 is connected in ball ring 13, and hydraulic oil is imported and exported and is connected in hydraulic power unit by pipeline.Hydraulic power unit mainly is made of fuel tank, high-pressure oil pump, low pressure fuel pump, logical valve, pipeline and joint.Control device is a PC control formula.Maneuver control device just can make hydraulic power unit pressure, flow and the flow direction of routine change work oil in accordance with regulations, drives oil cylinder piston 10 and is being with walking beam 4 up moving down under column 3 accurately leads, and operation is pressed.This pressure is 1600 tons hydraulic press, compares with existing four-column type hydraulic press, and volume is little, and material consumption is few, and it is about 1/2 that machine heavily alleviates, and processing, transportation easily, installs and adjusts, and it is about 70% that cost reduces, and the compression moulding precision reaches 0.16mm/1000mm.

Claims (3)

1, a kind of Pillar Stand Guiding Type Hydropress, system is by main frame, provide the hydraulic means of power and control device thereof to constitute to main frame, it is characterized in that: main frame has the steel metal plate Welding Structure frame (1) of the operating pressure of bearing load, and column (3) is fixed on the frame (1), and mainly play the guiding role.

2, according to the described hydraulic press of claim 1, it is characterized in that: frame (1) is by two blocks of steel metal plates (15) and muscle metal plate (9), (14), (17) integrally welded frame structure, or the fabricated structure that is fixed as one after as the assembly assembly unit by several Welding Structure frameworks.

3, according to claim 1 or 2 described hydraulic presses, it is characterized in that: column (3) only is arranged on walking beam work section, its two end has screw thread, the upper end is contained in the built-in beam pilot hole, the lower end is contained in the axle bed hole, is to be fixed in frame (1) by means of built-in beam (2), axle bed (6) and nut (7).

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