Front opening type multi-column hydraulic press

Abstract

The utility model belongs to the technical field of hydraulic machines, and particularly relates to a front opening type multi-column hydraulic machine which comprises a lower machine body and an upper machine body arranged above the lower machine body, a plurality of connecting columns are arranged between the lower machine body and the upper machine body, the upper machine body can move up and down along the connecting columns and is far away from or close to the lower machine body, and a hydraulic table board is arranged on the front side of the lower machine body in a protruding mode. A plurality of hydraulic cylinders are arranged on the front side of the upper machine body and comprise hydraulic rods capable of moving downwards, upper pressing plates are connected to the lower portions of the hydraulic rods, upper molds can be installed on the lower surfaces of the upper pressing plates, the connecting columns comprise tensile columns and fixing columns, the fixing columns are vertically arranged at the rear end of the lower machine body, and the upper ends of the fixing columns are fixedly connected with the upper machine body. The tensile column is vertically arranged at the middle end of the lower machine body, the upper end of the tensile column is fixedly connected with the upper machine body, the hydraulic table top is arranged at the front end of the tensile column, and the long-strip-shaped workpiece hydraulic machine is simple in structure, high in tensile capacity, balanced in stress and convenient to machine and take long-strip-shaped workpieces.

Description

TECHNICAL FIELD

[0001] The utility model belongs to hydraulic press technical field, especially point to a kind of front open type multi-column hydraulic press. BACKGROUND

[0002] Hydraulic press is a kind of for stamping profile, and the equipment for pressing metal frame into specific shape, and its basic structure includes upper body and lower body, and tensile column is arranged between the upper body and the lower body, and the tensile column leaves processing space between the upper body and the lower body, and workpiece can be placed in the processing space, and the hydraulic cylinder on the upper body moves downward to drive the upper die to be assembled to downwardly exert pressure on workpiece in the processing space, so as to make the processing tool to open the shape of die. In the pressing process, hydraulic device can exert a very large force downward, and the upper body is subjected to the reaction force of hydraulic device due to the relative action of force, and drives the upper body to move upward, and in order to limit the upper body from moving upward, a plurality of tensile columns need to be arranged between the upper body and the lower body, so as to prevent the upper body from being deformed due to large force, and currently, the conventional hydraulic press can arrange a plurality of tensile columns on both sides of processing table surface, so that the overall hydraulic press can be balanced, but this arrangement can limit the width of workpiece, and workers can only stretch into the side opening when placing workpiece, and if the width of workpiece is wide, it is difficult to place it for processing, and the arrangement of the hydraulic press needs two or three people to place and carry, and it is troublesome to operate, therefore, a long workpiece hydraulic press with strong tensile capacity, balanced force and convenient long workpiece processing and taking is needed. SUMMARY

[0003] The utility model aims at providing a kind of long workpiece hydraulic press with simple structure, strong tensile capacity, balanced force and convenient long workpiece processing and taking.

[0004] The utility model is realized as follows:

[0005] A kind of front open type multi-column hydraulic press, including lower body and the upper body being set on the lower body, the lower body and the upper body between being equipped with a plurality of connecting columns, the upper body can be moved up and down along connecting column and be away from or close to relative to the lower body, the lower body front side is protruded with hydraulic table surface, the hydraulic table surface can be installed lower die, the upper body front side is equipped with a plurality of hydraulic cylinders, the hydraulic cylinder includes the hydraulic rod that can move downward, the hydraulic rod lower side is connected with upper pressing plate, the hydraulic cylinder can drive upper pressing plate to move up and down, the upper pressing plate lower surface can install upper die;

[0006] The connecting column includes tensile column and fixed column, the fixed column is vertically arranged at the rear end of the lower body, and the upper end of the fixed column is fixedly connected with the upper body, the tensile column is vertically arranged at the middle end of the lower body, and the upper end of the tensile column is fixedly connected with the upper body, and the hydraulic table surface is arranged at the front end of the tensile column.

[0007] Further, the fixed column and the tensile column are arranged transversely between the lower body and the upper body, and the plurality of hydraulic cylinders are arranged transversely, and the plurality of hydraulic cylinders are connected with the upper pressing plate through the hydraulic rods.

[0008] Further, the tensile column has a diameter larger than that of the fixed column.

[0009] Further, the lower body is provided with a lifting device on one side, and the lower body is provided with a mounting seat, and the lifting device is mounted on the mounting seat, and the lifting device comprises a lifting block, a lifting rod and a lifting cylinder, the upper end of the lifting rod is connected with the lifting block, the lower end of the lifting rod is connected with the lifting cylinder, and the upper surface of the lifting block abuts against the upper die.

[0010] Compared with the prior art, the utility model has the advantages of:

[0011] The utility model discloses a hydraulic machine for processing long strip workpieces, and the overall shape is rectangular, which is basically similar to the long strip workpieces to be processed. During processing, the upper pressing plate on the upper body is moved downward to cooperate with the hydraulic table top. Before processing, the required upper die and lower die are placed by workers. The processing method is a common processing method on the market. The utility model discloses that a plurality of tensile columns and fixed columns are arranged between the upper body and the lower body. The fixed column is arranged at the rear end of the lower body, and the tensile column is arranged at the middle end of the lower body. The hydraulic table top is provided with the front end of the tensile column. The long strip workpieces are conveniently placed by workers, and the connection of the whole body is stable. Compared with the arrangement on the market, the arrangement of the utility model comprises the outermost hydraulic table top, the tensile column in the middle and the fixed column at the rear end. During processing, the tensile column in the middle serves as a center point. When the hydraulic machine works, the upward reaction force of the hydraulic machine pushes the upper body upward, so that the upper body is deflected with the tensile column in the middle as a fulcrum. The tensile column in the utility model can solve the deflection problem of the upper body, can transmit the upward reaction force of the hydraulic cylinder to the tensile column, prevents the shape of the upper body from being deformed, and makes the stability of the whole body stronger. When the problem of conveniently taking the long strip workpieces is solved, the problem of unbalanced stress caused by the single-sided tensile column on the market is also solved. ACCURACY OF DRAWINGS

[0012] Figure 1 It is the perspective view of the utility model.

[0013] Figure 2 It is the front view of the utility model.

[0014] Figure 3 It is the partial perspective view of the lower body of the utility model.

[0015] Figure 4 It is the partial front view of the lower body of the utility model.

[0016] Figure 5 is the part schematic view of the upper machine body of the utility model.

[0017] Figure 6 is the schematic view of the utility model after removing the upper machine body.

[0018] Figure 7 is the side view of the utility model.

[0019] The meaning represented by the reference numeral in the figure:

[0020] 1 - lower machine body, 2 - upper machine body, 3 - connecting column, 4 - hydraulic table, 5 - hydraulic cylinder, 6 - hydraulic rod, 7 - upper pressing plate, 8 - tensile column, 9 - fixed column, 10 - jacking device,

[0021] 11 - mounting seat, 12 - jacking block, 13 - jacking rod, 14 - jacking cylinder. DETAILED DESCRIPTION

[0022] The utility model will be further described in combination with specific embodiments:

[0023] A front opening type multi-column hydraulic press, comprising a lower machine body 1 and an upper machine body 2 arranged above the lower machine body 1, a plurality of connecting columns 3 are arranged between the lower machine body 1 and the upper machine body 2, the upper machine body 2 can move up and down along the connecting column 3 and move away from or close to the lower machine body 1, the front side of the lower machine body 1 is provided with a hydraulic table 4, a lower mold can be installed on the hydraulic table 4, a plurality of hydraulic cylinders 5 are arranged on the front side of the upper machine body 2, the hydraulic cylinder 5 comprises a hydraulic rod 6 that can move downward, the lower end of the hydraulic rod 6 is connected with an upper pressing plate 7, the hydraulic cylinder 5 can drive the upper pressing plate 7 to move up and down, and an upper mold can be installed on the lower surface of the upper pressing plate 7.

[0024] The connecting column 3 comprises a tensile column 8 and a fixed column 9, the fixed column 9 is vertically arranged at the rear end of the lower machine body 1, the upper end of the fixed column 9 is fixedly connected with the upper machine body 2, the tensile column 8 is vertically arranged at the middle end of the lower machine body 1, and the upper end of the tensile column 8 is fixedly connected with the upper machine body 2, and the hydraulic table 4 is arranged at the front end of the tensile column 8.

[0025] The utility model relates a kind of hydraulic machine of processing long strip-shaped workpiece, overall shape is rectangle, and it is basically similar with the long strip-shaped workpiece to be processed, when processing, it is cooperated with hydraulic platform 4 by the downward movement of upper pressing plate 7 on machine body 2, before processing, worker will put the required upper die and lower die, processing method is the processing method commonly used on market, the utility model is designed between machine body 2 and lower machine body 1 by several tensile columns 8 and fixed, fixed column 9 is located at the rear end of lower machine body 1, tensile column 8 book lower machine body 1 middle end, hydraulic platform 4 is equipped with tensile column 8 front end, not only convenient for worker to place long strip-shaped workpiece, and the connection of whole machine body is also stable, compared with the arrangement on market, the utility model is arranged outside the outermost hydraulic platform 4, in the middle tensile column 8 and in rear end fixed column 9 group, in processing, the middle tensile column 8 as center point, when hydraulic machine works, the upward reaction force of hydraulic machine pushes machine body 2 upwards, will make machine body 2 with middle tensile column 8 as fulcrum deflection, the tensile column 8 column in the utility model can very good solve the problem of machine body 2 deflection, can be the upward reaction force of hydraulic cylinder 5 transmission to tensile column 8, prevent machine body 2 shape deformation, rear end fixed column 9 makes the stability of whole machine body stronger, when effectively solve the problem of convenient long strip-shaped workpiece to take, also solve the problem of unbalanced stress caused by single-sided tensile column 8 on market.

[0026] Preferably, the fixed column 9 and tensile column 8 are transversely arranged between the lower machine body 1 and the upper machine body 2, and the plurality of hydraulic cylinders 5 are transversely arranged, and each of the plurality of hydraulic cylinders 5 is connected with the upper pressing plate 7 through a hydraulic rod 6, so that the force received by the upper machine body 2 and the lower machine body 1 is more balanced.

[0027] Preferably, the diameter of the tensile column 8 is greater than the diameter of the fixed column 9, and the tensile column 8 in the middle has stronger tensile capacity to prevent the machine body 2 from being deformed.

[0028] Preferably, the lower machine body 1 is further provided with a jacking device 10 on one side, the lower machine body 1 is provided with a mounting seat 11, and the jacking device 10 is mounted on the mounting seat 11, the jacking device 10 comprises a jacking block 12, a jacking rod 13 and a jacking cylinder 14, the upper end of the jacking rod 13 is connected with the jacking block 12, the lower end of the jacking rod 13 is connected with the jacking cylinder 14, and the upper surface of the jacking block 12 abuts against the upper die, so that the hydraulic cylinder 5 can be effectively reset through the jacking device 10, the jacking rod 13 is driven to move upward by the jacking cylinder 14, the jacking rod 13 drives the upper pressing plate 7 to move upward through the jacking block 12, and the jacking device 10 can also slow down the impact force caused by the downward movement of the hydraulic cylinder 5.

[0029] The above embodiments are only preferred embodiments of the utility model, and do not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered within the protection scope of the utility model.

Claims

1. A front opening multi-column hydraulic press comprising a lower body (1) and an upper body (2) disposed above the lower body (1), characterized in that, The lower body (1) and the upper body (2) are provided with a plurality of connecting columns (3), the upper body (2) can move up and down along the connecting column (3) and move away or close to the lower body (1), the front side of the lower body (1) is provided with a hydraulic table (4), the lower die can be installed on the hydraulic table (4), the front side of the upper body (2) is provided with a plurality of hydraulic cylinders (5), the hydraulic cylinder (5) includes a hydraulic rod (6) which can move downward, the lower end of the hydraulic rod (6) is connected with an upper pressing plate (7), the hydraulic cylinder (5) can drive the upper pressing plate (7) to move up and down, the lower surface of the upper pressing plate (7) can install the upper die. The connecting column (3) includes a tensile column (8) and a fixed column (9), the fixed column (9) is vertically arranged at the rear end of the lower body (1), the upper end of the fixed column (9) is fixedly connected with the upper body (2), the tensile column (8) is vertically arranged at the middle end of the lower body (1), the upper end of the tensile column (8) is fixedly connected with the upper body (2), and the hydraulic table (4) is arranged at the front end of the tensile column (8).

2. A front opening multi-column hydraulic press as claimed in claim 1, wherein: The fixed column (9) and the tensile column (8) are transversely arranged between the lower body (1) and the upper body (2), a plurality of hydraulic cylinders (5) are transversely arranged, and a plurality of hydraulic cylinders (5) are connected with the upper pressing plate (7) through the hydraulic rod (6).

3. A front opening multi-column hydraulic press as claimed in claim 2, characterized in that: The diameter of the tensile column (8) is greater than that of the fixed column (9).

4. A front opening multi-column hydraulic press as in claim 1, wherein: The lower body (1) is further provided with a jacking device (10) on one side, the lower body (1) is provided with a mounting seat (11), the jacking device (10) is mounted on the mounting seat (11), the jacking device (10) includes a jacking block (12), a jacking rod (13) and a jacking cylinder (14), the upper end of the jacking rod (13) is connected with the jacking block (12), the lower end of the jacking rod (13) is connected with the jacking cylinder (14), and the upper surface of the jacking block (12) abuts against the upper die.

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