CN212400448U - Main body structure of multi-upright hydraulic press - Google Patents

Abstract

The utility model relates to a main body structure of a multi-column hydraulic machine, which comprises an upper beam, a movable beam, a lower beam, a hydraulic cylinder and columns, wherein the columns are supported between the upper beam and the lower beam and are rigidly connected into a whole; the method is characterized in that: the hydraulic cylinder is divided into the front row and the rear row which are uniformly divided, a guide structure is arranged between part of the upright columns and the first through holes of the movable beams, and the other part of the upright columns and the second through holes of the movable beams are in clearance fit. The main structure of the multi-upright-column hydraulic machine is reasonable in structural layout and optimizes stress working conditions of an upper beam, a lower beam and upright columns.

Description

Main body structure of multi-upright hydraulic press

Technical Field

The utility model relates to a hydraulic press major structure especially relates to a many stands hydraulic press major structure.

Background

The hydraulic press is widely applied to the fields of composite materials, refractory materials, green walls, ceramic buildings, ferrous metals, nonferrous metals and the like. At present, the number of upright posts of hydraulic machines on the market is mostly four. Namely, the rated tension of the hydraulic press is born by four upright posts, the movable beam is guided by the upright posts, and the movable beam moves up and down along the axial direction of the upright posts under the action of the oil cylinder.

In order to improve the market competitiveness of hydraulic press products and effectively reduce the manufacturing, mounting and transportation costs of large hydraulic presses, how to design a main body structure of a multi-upright hydraulic press with a reasonable structure is a technical problem to be solved by technical personnel in the field.

Disclosure of Invention

The utility model aims to solve the technical problem that a structural configuration is reasonable and optimize the many stands hydraulic press major structure of the atress operating mode of entablature, underbeam and stand is provided to above-mentioned prior art current situation.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a main body structure of a multi-upright hydraulic press comprises an upper beam, a movable beam, a lower beam, a hydraulic cylinder and uprights, wherein the uprights are supported between the upper beam and the lower beam and are rigidly connected into a whole; the method is characterized in that: the hydraulic cylinder is divided into the front row and the rear row which are uniformly divided, a guide structure is arranged between part of the upright columns and the first through holes of the movable beams, and the other part of the upright columns and the second through holes of the movable beams are in clearance fit.

Alternatively, the above-mentioned guide structure includes direction copper sheathing, direction cover seat, first dust ring gland and first dust ring, first dust ring gland passes through the fix with screw in first fenestrate macropore portion, the direction copper sheathing is installed in the direction cover seat and is fixed through first dust ring gland, first dust ring is installed in first dust ring gland, the direction copper sheathing leads to the stand that passes in it.

Optionally, a second dust ring gland is fixed in the large hole of the second through hole by a screw, and a second dust ring is installed in the second dust ring gland.

Further improved, the number of the hydraulic cylinders is half of that of the upright columns. Therefore, two hydraulic cylinders in the same group can be guaranteed to be exactly distributed to the four upright posts, and the stress layout of the lower beam is more balanced.

Preferably, the number of the columns is 20, the number of the hydraulic cylinders is 10, and four columns are correspondingly distributed to two hydraulic cylinders on the same row. The hydraulic press of 10000T press is taken as an example, 10000T pressure is equally divided into ten working oil cylinders, which is equivalent to 1000T pressure of each oil cylinder, then the ten oil cylinders are divided into two rows and five groups, two of each group are uniformly distributed on a lower beam, the load working condition of the lower beam is optimized, four upright posts are distributed for each group of oil cylinders, which is equivalent to five groups of 2000T presses which are connected in parallel, and the difference is that the upper beam, the movable beam and the lower beam of the five groups of presses are respectively and rigidly connected into a whole, so that the machine body of the 10000T press is obtained.

Further improve, be located 10 of same row be equipped with guide structure between the first perforation of 4 stands and walking beam in the stand, and be located and be equipped with guide structure between the stand of four edges and the first perforation of walking beam, be clearance fit between the second perforation of 6 stands and walking beam in addition. The movable beam with the guide structure is matched with the stand column tightly, the stand column in clearance fit is easy to slide relative to the movable beam, and on the basis of ensuring enough guidance performance, the more the stand columns in clearance fit are, the better.

Preferably, two columns in the same row and distributed corresponding to the most middle hydraulic cylinder are in clearance fit with the second through hole of the movable beam, one column in the two columns in the same row and distributed corresponding to the other four hydraulic cylinders is in clearance fit with the second through hole of the movable beam, and a guide structure is arranged between the other column and the first through hole of the movable beam. Because the direction is at the corner guide effect best, and the stand direction requirement to the middle part is lower relatively, so this structure is clearance fit between four stands of the middle part and the second perforation of walking beam, on the basis of guaranteeing good guide effect, guarantees as far as possible that the walking beam does not block when removing, removes smoothly.

Compared with the prior art, the utility model has the advantages of: the hydraulic cylinders are even and divided into the front row and the rear row which are evenly divided, so that pressure with larger tonnage can be provided, the load working condition of the lower beam is optimized, the uniform load distribution of the lower beam is realized, the maximum bending moment of the dangerous section of the lower beam is reduced, namely the area of the dangerous section is reduced, and the economic purpose of reducing the weight of the lower beam is achieved; the number of the upright columns is at least eight and is a multiple of four, so that the effect of reducing the weight of a single part (upright column) is achieved, the hoisting and transportation are more convenient, and the economic purpose of reducing the assembly and transportation cost is achieved; a guide structure is arranged between the first through holes of part of the upright columns and the movable beam in the upright columns, and the second through holes of the other part of the upright columns and the movable beam are in clearance fit, so that the movable beam is guaranteed to be not easy to block in the sliding process on the basis of guaranteeing the good guidance quality of the movable beam in sliding up and down.

Drawings

Fig. 1 is a schematic front view of an embodiment of the present invention;

FIG. 2 is a schematic side half-sectional view of an embodiment of the present invention;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is an enlarged view of FIG. 2 at B;

fig. 5 is a schematic layout view of the upright post on the movable beam according to the embodiment of the present invention;

fig. 6 is a schematic layout view of the upright post on the lower beam according to the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 6, it is a preferred embodiment of the present invention.

The utility model provides a many stands hydraulic press major structure, includes upper beam 1, walking beam 2, underbeam 3, pneumatic cylinder 4 and stand 5, and stand 5 supports rigid connection between upper beam 1 and underbeam 3 and becomes a whole, walking beam 2 is located between upper beam 1 and the underbeam 3 and the suit can slide from top to bottom on stand 5, pneumatic cylinder 4 is installed on underbeam 3, and the piston rod of pneumatic cylinder 4 is connected and is slided from top to bottom in order to drive walking beam 2 at 2 lower extremes of walking beam.

The number of the upright columns 5 is at least eight and is a multiple of four, the upright columns 5 are divided into a front row and a rear row which are evenly divided, the number of the hydraulic cylinders is even, the hydraulic cylinders 4 are divided into the front row and the rear row which are evenly divided, a guide structure is arranged between part of the upright columns 5 in the upright columns 5 and the first through holes 21 of the movable beams 2, and the other part of the upright columns 5 are in clearance fit with the second through holes 22 of the movable beams 2.

As shown in fig. 3, the guiding structure includes a guiding copper sleeve 6, a guiding sleeve seat 7, a first dust ring gland 8a and a first dust ring 9a, the first dust ring gland 8a is fixed in the large hole portion of the first through hole 21 through a screw 10, the guiding copper sleeve 6 is installed in the guiding sleeve seat 7 and fixed through the first dust ring gland 8a, the first dust ring 9a is installed in the first dust ring gland 8a, and the guiding copper sleeve 6 guides the upright post 5 passing through the guiding copper sleeve.

As shown in fig. 4, a second dust ring cover 8b is fixed to the large hole portion of the second through hole 22 by a screw 10, and a second dust ring 9b is attached to the second dust ring cover 8 b.

In this embodiment, there are 20 columns 5, 10 hydraulic cylinders 4, and four columns 5 are correspondingly allocated to two hydraulic cylinders 4 located in the same column. And 4 of the 10 upright columns 5 in the same row are provided with guide structures between the first through holes 21 of the movable beam 2 and the 4 upright columns 5, and the other 6 upright columns 5 are in clearance fit with the second through holes 22 of the movable beam 2. Specifically, two columns 5 in the same row and distributed correspondingly to the middle hydraulic cylinder 4 are in clearance fit with the second through holes 22 of the movable beam 2, and in the two columns 5 in the same row and distributed correspondingly to the other four hydraulic cylinders 4, one column 5 is in clearance fit with the second through holes 22 of the movable beam, a guide structure is arranged between the other column 5 and the first through holes 21 of the movable beam 2, and a guide structure is arranged between the column 5 at the four corners and the first through holes 21 of the movable beam 2.

The pressure of 1000T is provided by each hydraulic cylinder 4, ten hydraulic cylinders 4 of 1000T are uniformly distributed on the lower beam 3 to provide driving force, the movable beam 2 and the movable plunger of the hydraulic cylinder 4 are rigidly connected into a whole and move along with the movable plunger of the hydraulic cylinder 4, the upper beam 1 is arranged on the upper part and supported by the upright post 5 and bears the 10000T pressure generated by the hydraulic cylinder 4, and the main structure of the whole press is formed by combining the upper beam 1, the lower beam 3 and the upright post 5 into a closed stress body, so that the 10000T pressure working condition of a product is pressed.

Although preferred embodiments of the present invention have been described in detail hereinabove, it should be clearly understood that modifications and variations of the present invention are possible to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A multi-column hydraulic press main body structure comprises an upper beam (1), a movable beam (2), a lower beam (3), a hydraulic cylinder (4) and columns (5), wherein the columns (5) are supported between the upper beam (1) and the lower beam (3) and are rigidly connected into a whole, the movable beam (2) is positioned between the upper beam (1) and the lower beam (3) and sleeved on the columns (5) to slide up and down, the hydraulic cylinder (4) is installed on the lower beam (3), and a piston rod of the hydraulic cylinder (4) is connected to the lower end of the movable beam (2) to drive the movable beam (2) to slide up and down; the method is characterized in that: the hydraulic support is characterized in that at least eight upright columns (5) are multiple of four, the upright columns (5) are divided into a front row and a rear row which are uniformly divided, the number of the hydraulic cylinders is even, the hydraulic cylinders (4) are divided into the front row and the rear row which are uniformly divided, a guide structure is arranged between part of the upright columns (5) in the upright columns (5) and the first through holes (21) of the movable beams (2), and the other part of the upright columns (5) are in clearance fit with the second through holes (22) of the movable beams (2).

2. The multi-column hydraulic machine body structure of claim 1, wherein: the guide structure comprises a guide copper sleeve (6), a guide sleeve seat (7), a first dustproof ring gland (8a) and a first dustproof ring (9a), wherein the first dustproof ring gland (8a) is fixed in a large hole part of a first perforation (21) through a screw (10), the guide copper sleeve (6) is installed in the guide sleeve seat (7) and fixed through the first dustproof ring gland (8a), the first dustproof ring (9a) is installed in the first dustproof ring gland (8a), and the guide copper sleeve (6) guides a stand column (5) penetrating through the guide copper sleeve (6).

3. The multi-column hydraulic machine body structure of claim 1, wherein: a second dustproof ring gland (8b) is fixed in the large hole part of the second through hole (22) through a screw (10), and a second dustproof ring (9b) is installed in the second dustproof ring gland (8 b).

4. The multi-column hydraulic machine body structure of claim 1, wherein: the number of the hydraulic cylinders (4) is half of that of the upright posts (5).

5. The multi-column hydraulic machine body structure of claim 4, wherein: the number of the upright columns (5) is 20, the number of the hydraulic cylinders (4) is 10, and four upright columns (5) are correspondingly distributed on two hydraulic cylinders (4) positioned on the same column.

6. The multi-column hydraulic machine body structure of claim 5, wherein: be located 10 of same row be equipped with guide structure between the first perforation (21) that have 4 stands (5) and walking beam (2) in stand (5), and be located and be equipped with guide structure between the first perforation (21) of stand (5) and walking beam (2) of four edges and corners department, be clearance fit between the second perforation (22) of 6 stands (5) and walking beam (2) in addition.

7. The multi-column hydraulic machine body structure of claim 6, wherein: two columns (5) in the same row and distributed correspondingly to the middle hydraulic cylinder (4) are in clearance fit with the second through holes (22) of the movable beam (2), the other four hydraulic cylinders (4) are distributed correspondingly to the two columns (5) in the same row, one column (5) is in clearance fit with the second through holes (22) of the movable beam, and a guide structure is arranged between the other column (5) and the first through holes (21) of the movable beam (2).

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