CN216993161U - Large-table-board heavy hydraulic machine with inclined anti-skid blocks - Google Patents

Large-table-board heavy hydraulic machine with inclined anti-skid blocks Download PDF

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Publication number
CN216993161U
CN216993161U CN202220618232.3U CN202220618232U CN216993161U CN 216993161 U CN216993161 U CN 216993161U CN 202220618232 U CN202220618232 U CN 202220618232U CN 216993161 U CN216993161 U CN 216993161U
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China
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sliding block
workbench
corners
cross beam
upper cross
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CN202220618232.3U
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Chinese (zh)
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乔礼惠
夏卫明
熊国云
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Jiangsu Yangli Hydraulic Equipment Co ltd
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Jiangsu Yangli Hydraulic Equipment Co ltd
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Abstract

The utility model discloses a large-table-board heavy hydraulic machine with an inclined antiskid block, wherein a machine body comprises a workbench and an upper cross beam which are parallel to each other, stand columns are respectively arranged between four corners of the workbench and the upper cross beam, four pull rods are respectively arranged in each stand column to fixedly connect the workbench and the upper cross beam, a slide block is arranged between the upper cross beam and the workbench, four corners of the slide block are respectively provided with guide rails which are vertical to each other, and each guide rail is respectively fixed on the corresponding stand column; the upper cross beam is uniformly provided with a plurality of main oil cylinders, the lower ends of the plungers of the main oil cylinders are respectively fixedly connected with the sliding block, the middle parts of the left side and the right side of the sliding block are respectively fixedly connected with the upper end of the plunger of the return cylinder, the cylinder bodies of the return cylinder are respectively fixed on the workbench and are positioned at the neutral position between the front upright post and the rear upright post, and the four corners of the workbench are respectively fixed with a sliding block leveling cylinder for preventing the sliding block from inclining when the sliding block descends. The hydraulic press can press large-area workpieces, can reach more than ten thousand tons, can level when the sliding block is pressed down, cannot incline, and has high product precision.

Description

Large-table-board heavy hydraulic machine with inclined anti-skid blocks
Technical Field
The utility model relates to a hydraulic machine, in particular to a large-table-board heavy hydraulic machine with an inclined antiskid block, and belongs to the technical field of hydraulic machines.
Background
A hydraulic press is a device which uses liquid as a working medium to transfer energy to realize various processes, and is commonly used for press working. Traditional hydraulic press is including controlling the stand, and the top of controlling the stand passes through the entablature and links to each other, and the bottom of controlling the stand is connected with the workstation, is equipped with the slider between entablature and the workstation, and the master cylinder is installed at the center of entablature. The main cylinder drives the sliding block to move downwards to press the workpiece fixed on the workbench, so that the workpiece is deformed into a required shape.
The sliding block of the traditional hydraulic machine is generally provided with guide rails which are perpendicular to each other at four corners of the sliding block, and the guide rails are respectively fixed on corresponding upright columns, namely four-corner octahedral guide rail supports are formed to guide the sliding block so as to ensure that the sliding block keeps a horizontal state when being pressed downwards and descends along the axis of a main cylinder.
For processing large-scale workpieces, a workbench with a large area is needed, and a sliding block with a large cross section is matched with the workbench. For example, when a composite material civil air-proof airtight door is pressed, the required area of a working table is usually up to 5.8m multiplied by 4.8 m; the large civil air-defense airtight door needs the workbench with the area of 7m multiplied by 4.8m, so the cross section area of the sliding block is very large. Under the suppression of pressure more than ten thousand tons, combined material flows in the die cavity after the compound die, leads to the slider to bear very big overturning moment, and traditional four corners octahedral guide rail supports hardly bears huge overturning moment, very easily leads to the slider to produce the slope and influences goods size precision.
In addition, conventional fuselage structures are prone to stress concentrations and fatigue failure under cyclic loading due to the large compression ratios.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problems in the prior art and provide a large-table-board heavy hydraulic machine with an inclined anti-skid block, which can press large-area workpieces, the pressing tonnage can reach more than ten thousand tons, the slide block can be stably pressed down, the inclination cannot occur, and the product precision is high.
In order to solve the technical problem, the large-table heavy hydraulic machine with the inclined anti-skid block comprises a machine body, wherein the machine body comprises a workbench and an upper cross beam which are parallel to each other, stand columns are arranged between four corners of the workbench and the upper cross beam respectively, four pull rods are arranged in each stand column to fixedly connect the workbench and the upper cross beam, a slide block is arranged between the upper cross beam and the workbench, four corners of the slide block are respectively provided with guide rails which are vertical to each other, and each guide rail is fixed on the corresponding stand column respectively; the upper cross beam is evenly provided with a plurality of main oil cylinders, the lower ends of the plungers of the main oil cylinders are fixedly connected with the sliding block respectively, the middle parts of the left side and the right side of the sliding block are fixedly connected with the upper ends of the plungers of the return cylinders respectively, the cylinder bodies of the return cylinders are fixed on the workbench respectively and are located at the neutral positions between the front upright post and the rear upright post, and four corner parts of the workbench are respectively fixed with sliding block leveling cylinders for preventing the sliding block from inclining when the sliding block moves downwards.
As an improvement of the utility model, sixteen main oil cylinders are arranged in the upper cross beam and are uniformly arranged in four rows and four columns.
As a further improvement of the utility model, four corners of the sliding block are respectively provided with a leveling support lug, and the top of the plunger of each sliding block leveling cylinder is respectively positioned below the leveling support lugs.
As a further improvement of the utility model, the tonnage of each master cylinder is more than 630 tons.
Compared with the prior art, the utility model has the following beneficial effects: 1. the machine body part adopts the mode that each corner part is respectively provided with an upright post, each upright post is internally provided with four pull rods, and the structure comprises sixteen pull rods, and simultaneously, the main oil cylinder adopts a sixteen-cylinder uniform distribution mode, so that the problems of large machine tool table surface and stress concentration of the machine body are solved;
2. two return cylinders and four slide block leveling cylinders are symmetrically arranged by utilizing the neutral position between the upright posts at the two sides, and the effective space of the workbench is not occupied.
3. The composite material is transversely flowed in the pressing process, so that the sliding block bears the overturning moment generated by the composite material, four sliding block leveling cylinders are added on the basis of supporting of the four-corner octahedral guide rail, the four corners of the sliding block are supported in the slow descending process of the sliding block, the descending displacement of the four corners of the sliding block is consistent, the leveling effect is achieved, and the sliding block is prevented from inclining.
Drawings
The utility model will be described in further detail with reference to the following drawings and detailed description, which are provided for reference and illustration purposes only and are not intended to limit the utility model.
FIG. 1 is a front view of a large table top heavy hydraulic machine with inclined anti-skid blocks of the present invention;
FIG. 2 is a left side view of FIG. 1;
fig. 3 is a layout view in a top view of the present invention.
In the figure: 1. an upper cross beam; 2. a column; 3. a pull rod; 4. a master cylinder; 5. a return cylinder; 6. a slider leveling cylinder; 7. a slider; 7a, a slide block lug seat; 8. a work table; 9. a guide rail.
Detailed Description
In the following description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not mean that the apparatus must have a specific orientation.
As shown in figures 1 to 3, the large-table heavy hydraulic machine with the inclined anti-skid block comprises a machine body, wherein the machine body comprises a workbench 8 and an upper cross beam 1 which are parallel to each other, stand columns 2 are respectively arranged between four corners of the workbench 8 and the upper cross beam 1, four pull rods 3 are respectively arranged in each stand column 2 to fixedly connect the workbench 8 and the upper cross beam 1, the load borne by each pull rod 3 is reduced, and stress concentration is prevented. A sliding block 7 is arranged between the upper cross beam 1 and the workbench 8, four corners of the sliding block 7 are respectively provided with a guide rail 9 which are vertical to each other, and each guide rail 9 is respectively fixed on a corresponding upright post to form a four-corner eight-side guide rail support of the sliding block 7.
A plurality of main oil cylinders 4 are uniformly distributed in the upper cross beam 1, the lower ends of the plungers of the main oil cylinders 4 are fixedly connected with a sliding block 7 respectively, sliding block lug seats 7a are fixed in the middle of the left side and the right side of the sliding block 7 respectively, the sliding block lug seats 7a are connected with the upper ends of the plungers of the return cylinders 5 respectively, and the cylinder bodies of the return cylinders 5 are fixed on the workbench 8 respectively and are positioned in the middle between the front upright post and the rear upright post 2.
For a hydraulic press for pressing a civil air-tight door, two types of common workbench surfaces are provided, wherein the workbench surfaces are 5800mm multiplied by 4800mm and 7000mm multiplied by 4800mm, the maximum opening height of the sliding block 7 is 2800mm, and the sliding block stroke is 1800 mm.
Sixteen main oil cylinders 4 are arranged in the upper cross beam 1 and are uniformly arranged in four rows and four columns, so that the pressing force is more uniform, and the problem of stress concentration is solved. The pressing force of each master cylinder 4 is above 630 tons, and the total pressing force of sixteen master cylinders is above ten thousand tons. Therefore, ten thousand tons of pressing force are uniformly distributed on sixteen main oil cylinders 4, and stress concentration is avoided.
Four corners of the workbench 8 are respectively fixed with a sliding block leveling cylinder 6 for preventing the sliding block from inclining when descending, and a cylinder body of the sliding block leveling cylinder 6 is fixed on the workbench 8. Four corners of the sliding block 7 are respectively provided with leveling support lugs, and the top of the plunger of each sliding block leveling cylinder 6 is positioned below the leveling support lugs of the sliding block 7.
In the downward pressing process of the slide block 7, the die sinking lugs at the four corners of the slide block respectively abut against the upper ends of the plungers of the corresponding slide block leveling cylinders 6, and the plungers of the slide block leveling cylinders 6 are forced to retreat to level the slide block 7 so as to avoid the inclination of the slide block.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention. In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention. Technical features of the present invention which are not described may be implemented by or using the prior art, and will not be described herein.

Claims (4)

1. The utility model provides a heavy hydraulic press of big mesa of non slipping spur slope, includes the fuselage, the fuselage body is including workstation and entablature that are parallel to each other, its characterized in that: the four corners of the workbench and the upper beam are respectively provided with an upright post, each upright post is respectively provided with four pull rods for fixedly connecting the workbench and the upper beam, a sliding block is arranged between the upper beam and the workbench, the four corners of the sliding block are respectively provided with mutually vertical guide rails, and the guide rails are respectively fixed on the corresponding upright posts; the upper cross beam is uniformly provided with a plurality of main oil cylinders, the lower ends of the plungers of the main oil cylinders are fixedly connected with the sliding block respectively, the middle parts of the left side and the right side of the sliding block are fixedly connected with the upper ends of the plungers of the return cylinders respectively, the cylinder bodies of the return cylinders are fixed on the workbench respectively and are positioned at the neutral positions between the front upright and the rear upright, and four corners of the workbench are respectively fixed with sliding block leveling cylinders for preventing the sliding block from inclining downwards.
2. The large table top heavy hydraulic machine with inclined anti-skid blocks of claim 1, wherein: sixteen main oil cylinders are arranged in the upper cross beam and are uniformly arranged in four rows and four columns.
3. The large table top heavy hydraulic machine with inclined skids according to claim 1, which is characterized in that: four corners of the sliding block are respectively provided with a leveling support lug, and the top of the plunger of each sliding block leveling cylinder is respectively positioned below the leveling support lugs.
4. The large table top heavy hydraulic machine with inclined skids according to claim 2, which is characterized in that: the tonnage of each main oil cylinder is more than 630 tons.
CN202220618232.3U 2022-03-21 2022-03-21 Large-table-board heavy hydraulic machine with inclined anti-skid blocks Active CN216993161U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220618232.3U CN216993161U (en) 2022-03-21 2022-03-21 Large-table-board heavy hydraulic machine with inclined anti-skid blocks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220618232.3U CN216993161U (en) 2022-03-21 2022-03-21 Large-table-board heavy hydraulic machine with inclined anti-skid blocks

Publications (1)

Publication Number Publication Date
CN216993161U true CN216993161U (en) 2022-07-19

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116021830A (en) * 2023-01-04 2023-04-28 海安海太铸造有限公司 Beam bearing assembly for large oil press and application method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116021830A (en) * 2023-01-04 2023-04-28 海安海太铸造有限公司 Beam bearing assembly for large oil press and application method
CN116021830B (en) * 2023-01-04 2023-09-26 海安海太铸造有限公司 Beam bearing assembly for large oil press and application method

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