CN215620154U

CN215620154U - Large-tonnage hydraulic press

Info

Publication number: CN215620154U
Application number: CN202120767562.4U
Authority: CN
Inventors: 杨思锋; 陶文中
Original assignee: Anhui Tianshui Hydraulic Machine Tool Co ltd
Current assignee: Anhui Tianshui Hydraulic Machine Tool Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2022-01-25
Anticipated expiration: 2031-04-14

Abstract

The utility model discloses a large-tonnage hydraulic press, which belongs to the field of large-tonnage hydraulic presses and comprises an upper transverse plate and a first vertical plate, wherein the upper transverse plate is arranged on the first vertical plate, a downward pressing module is arranged on the upper transverse plate and comprises a first mounting plate, the first mounting plate is arranged on the upper transverse plate, first connecting rods are movably arranged at two sides of the first mounting plate, a first connecting shaft is movably arranged at one end of the first connecting rod, a second connecting rod is movably arranged on the first connecting shaft, a first pressing plate is arranged below the first mounting plate, and the other end of the second connecting rod is movably arranged at two ends of the first pressing plate; two first hydraulic cylinders which are in a mirror image with each other are arranged between the first pressing plate and the first mounting plate, the tail parts of the two first hydraulic cylinders are both mounted on the first connecting block, and the hydraulic rods of the two first hydraulic cylinders are both mounted on the first connecting shaft on the same side of the two first hydraulic cylinders; the small hydraulic cylinder can apply large-tonnage pressure to the lower pressing block by combining the mechanical pressurization of the connecting rod with the hydraulic cylinder.

Description

Large-tonnage hydraulic press

Technical Field

The invention belongs to the field of large-tonnage hydraulic machines, in particular to a large-tonnage hydraulic machine,

background

A hydraulic machine is a machine for transferring energy to carry out various processes, made according to the pascal principle, using a liquid as working medium. In some use scenes, a large-tonnage hydraulic machine is needed, the number of hydraulic cylinders is increased or the cylinder diameter and the oil pressure are increased mostly in the conventional large-tonnage hydraulic machine, but the problems of damage to the hydraulic cylinders and increase in cost caused by inconsistent stress of a plurality of hydraulic cylinders exist in the conventional scheme, and potential safety hazards are increased by increasing the cylinder diameter and the oil pressure; a large-tonnage hydraulic machine combining hydraulic pressure and mechanical pressurization is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the disclosed aim is to provide a large-tonnage hydraulic machine, which solves the potential safety hazard caused by high oil pressure in a large-tonnage hydraulic cylinder in the prior art.

The purpose of the disclosure can be realized by the following technical scheme:

a large-tonnage hydraulic press comprises an upper transverse plate and a first vertical plate, wherein the upper transverse plate is arranged on the first vertical plate, a downward pressing module is arranged on the upper transverse plate and comprises a first mounting plate, the first mounting plate is arranged on the upper transverse plate, first connecting rods are movably arranged on two sides of the first mounting plate, a first connecting shaft is movably arranged at one end of each first connecting rod, a second connecting rod is movably arranged on each first connecting shaft, a first pressing plate is arranged below the first mounting plate, and the other end of each second connecting rod is movably arranged at two ends of the corresponding first pressing plate;

be equipped with two first pneumatic cylinders that are mutual mirror image between first clamp plate and the first mounting panel, the afterbody of two first pneumatic cylinders is all installed on first connecting block, and the hydraulic stem of two first pneumatic cylinders is all installed on its first connecting axle with one side.

Further, the cross sections of the first connecting rod and the second connecting rod are of U-shaped structures.

Furthermore, a first installation cambered surface is arranged on the first pressing plate, a first pressing rod capable of moving up and down is arranged on the first installation cambered surface, and the first pressing rod is fixedly installed on the first installation cambered surface.

Furthermore, the both sides of first riser all are equipped with first spout, and movable mounting has first U-shaped plate on the first riser, and first depression bar fixed mounting is equipped with first boss on the first U-shaped plate, and first boss movable mounting is equipped with the second pneumatic cylinder on the first riser in first spout, and the hydraulic stem fixed connection of second pneumatic cylinder is on first U-shaped plate.

Furthermore, the two sides of the upper transverse plate are provided with second sliding grooves, first stand columns are movably mounted in the second sliding grooves, and the lower ends of the first stand columns are fixedly mounted on the first U-shaped plate.

Furthermore, a first cross beam is arranged between the first stand columns on two sides of the upper cross plate for connection, a third hydraulic cylinder is arranged on the upper cross plate, and a hydraulic rod of the third hydraulic cylinder is fixedly connected to the first cross beam.

The beneficial effect of this disclosure:

1. the small hydraulic cylinder can apply large-tonnage pressure to the lower pressing block by combining the mechanical pressurization of the connecting rod with the hydraulic cylinder.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic overall structure diagram of an embodiment of the present disclosure;

FIG. 2 is a schematic diagram of a partial structure of an embodiment of the present disclosure;

fig. 3 is a partial anatomical view of an embodiment of the disclosure.

Detailed Description

The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

As shown in fig. 1-3, a large-tonnage hydraulic press comprises an upper transverse plate 1 and a first vertical plate 2, wherein the upper transverse plate 1 is mounted on the first vertical plate 2, a downward-pressing module 3 is arranged on the upper transverse plate 1, the downward-pressing module 3 comprises a first mounting plate 31, the first mounting plate 31 is mounted on the upper transverse plate 1, first connecting rods 32 are movably mounted on both sides of the first mounting plate 31, a first connecting shaft 34 is movably mounted at one end of each first connecting rod 32, a second connecting rod 33 is movably mounted on each first connecting shaft 34, a first pressing plate 36 is arranged below the first mounting plate 31, and the other end of each second connecting rod 33 is movably mounted at both ends of the corresponding first pressing plate 36;

two first hydraulic cylinders 35 which are mirror images of each other are arranged between the first pressing plate 36 and the first mounting plate 31, the tail parts of the two first hydraulic cylinders 35 are both mounted on the first connecting block 5, and the hydraulic rods of the two first hydraulic cylinders 35 are both mounted on the first connecting shaft 34 on the same side of the two first hydraulic cylinders 35; through the design, the first connecting shafts 34 on the same side can be simultaneously provided with pulling force through the two first hydraulic cylinders 35, the first connecting shafts 34 on the two sides move towards each other to drive the first connecting rods 32 and the second connecting rods 33 to rotate so as to enable the first pressing plates 36 to move downwards for compression, the pulling force of the two horizontally placed first hydraulic cylinders 35 is converted into the downward force of the first pressing plates 36 through the transmission of the first connecting rods 32 and the second connecting rods 33, and meanwhile, the movable distance of the hydraulic rods of the first hydraulic cylinders 35 is larger than the movable distance of the first pressing plates 36 through the first connecting rods 32 and the second connecting rods 33, so that the pulling force of the first hydraulic cylinders 35 is amplified, and the purpose of large pressure is realized.

In some disclosures, the first connecting rod 32 and the second connecting rod 33 are both in a U-shaped cross section, and by means of the design, the materials of the first connecting rod 32 and the second connecting rod 33 can be reduced under the same strength, so that the processing cost is reduced, and the weight of the connecting rod is also reduced.

In some disclosures, a first installation arc surface 37 is arranged on the first pressing plate 36, a first pressing rod 4 which can move up and down is arranged on the first installation arc surface 37, and the first pressing rod 4 is fixedly installed on the first installation arc surface 37; by so designing, the first presser plate 36 can be given with the depression of the first presser bar 4.

In some disclosures, both sides of the first vertical plate 2 are provided with first sliding grooves 21, the first vertical plate 2 is movably mounted with a first U-shaped plate 41, the first pressing rod 4 is fixedly mounted on the first U-shaped plate 41, the first U-shaped plate 41 is provided with a first boss 42, the first boss 42 is movably mounted in the first sliding groove 21, the first vertical plate 2 is provided with a second hydraulic cylinder 43, and a hydraulic rod of the second hydraulic cylinder 43 is fixedly connected to the first U-shaped plate 41. By such a design, the first pressing rod 4 can be pressed down by pushing the first U-shaped plate 41 downward by the second hydraulic cylinder 43.

In some disclosures, the two sides of the upper transverse plate 1 are provided with second sliding grooves 11, a first upright post 45 is movably mounted in the second sliding grooves 11, and the lower end of the first upright post 45 is fixedly mounted on the first U-shaped plate 41; by such a design, the first upright 45 can slide in the second sliding slot 11 to ensure the stability of the up-and-down movement of the first U-shaped plate 41.

In some disclosures, a first cross beam 46 is arranged between the first upright columns 45 on both sides of the upper transverse plate 1 for connection, a third hydraulic cylinder 47 is arranged on the upper transverse plate 1, and a hydraulic rod of the third hydraulic cylinder 47 is fixedly connected to the first cross beam 46; by such a design, the third hydraulic cylinder 47 can increase the pressure by pushing down the first presser plate 36 with the first cross member 46.

Principle of operation

The two first hydraulic cylinders 35 simultaneously provide pulling force for the first connecting shafts 34 on the same side, the first connecting shafts 34 on the two sides move oppositely to drive the first connecting rods 32 and the second connecting rods 33 to rotate so as to enable the first pressing plates 36 to move downwards for compression, the pulling force of the two horizontally placed first hydraulic cylinders 35 is converted into the downward force of the first pressing plates 36 through the transmission of the first connecting rods 32 and the second connecting rods 33, and meanwhile, the movable distance of the hydraulic rods of the first hydraulic cylinders 35 is larger than that of the first pressing plates 36 through the first connecting rods 32 and the second connecting rods 33, so that the pulling force of the first hydraulic cylinders 35 is amplified, and the purpose of large pressure is achieved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the disclosure. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing illustrates and describes the general principles, principal features, and advantages of the present disclosure. It will be understood by those skilled in the art that the present disclosure is not limited to the embodiments described above, which are presented solely for purposes of illustrating the principles of the disclosure, and that various changes and modifications may be made to the disclosure without departing from the spirit and scope of the disclosure, which is intended to be covered by the claims.

Claims

1. A large-tonnage hydraulic machine comprises an upper transverse plate (1) and a first vertical plate (2), and is characterized in that the upper transverse plate (1) is installed on the first vertical plate (2), a pressing module (3) is arranged on the upper transverse plate (1), the pressing module (3) comprises a first installation plate (31), the first installation plate (31) is installed on the upper transverse plate (1), first connecting rods (32) are movably installed on two sides of the first installation plate (31), a first connecting shaft (34) is movably installed at one end of each first connecting rod (32), a second connecting rod (33) is movably installed on each first connecting shaft (34), a first pressing plate (36) is arranged below the first installation plate (31), and the other end of each second connecting rod (33) is movably installed at two ends of the corresponding first pressing plate (36);

be equipped with two first pneumatic cylinders (35) that are mutual mirror image between first clamp plate (36) and first mounting panel (31), the afterbody of two first pneumatic cylinders (35) is all installed on first connecting block (5), and the hydraulic stem of two first pneumatic cylinders (35) is all installed on its first connecting axle (34) with one side.

2. A large tonnage hydraulic machine, according to claim 1, characterized in that said first connecting rod (32) and said second connecting rod (33) are both U-shaped in cross-section.

3. The large-tonnage hydraulic press according to claim 1, characterized in that the first pressing plate (36) is provided with a first installation arc surface (37), the first installation arc surface (37) is provided with a first pressing rod (4) which can move up and down, and the first pressing rod (4) is fixedly installed on the first installation arc surface (37).

4. The large-tonnage hydraulic press as recited in claim 1, wherein both sides of the first upright plate (2) are provided with first chutes (21), the first upright plate (2) is movably provided with a first U-shaped plate (41), the first pressure lever (4) is fixedly mounted on the first U-shaped plate (41), the first U-shaped plate (41) is provided with a first boss (42), the first boss (42) is movably mounted in the first chute (21), the first upright plate (2) is provided with a second hydraulic cylinder (43), and a hydraulic lever of the second hydraulic cylinder (43) is fixedly connected to the first U-shaped plate (41).

5. The large-tonnage hydraulic press according to claim 1, characterized in that the second chutes (11) are provided on both sides of the upper cross plate (1), the first columns (45) are movably mounted in the second chutes (11), and the lower ends of the first columns (45) are fixedly mounted on the first U-shaped plate (41).

6. The large-tonnage hydraulic press as recited in claim 1, characterized in that a first cross beam (46) is provided between the first columns (45) on both sides of the upper cross plate (1) for connection, a third hydraulic cylinder (47) is provided on the upper cross plate (1), and a hydraulic rod of the third hydraulic cylinder (47) is fixedly connected to the first cross beam (46).