CN111872297A - A multi-station uneccentric die forging hydraulic press - Google Patents

Abstract

The invention relates to the technical field of die forging hydraulic presses, in particular to a multi-station unbiased die forging hydraulic press. There are two second hydraulic cylinders, the piston rods of the two second hydraulic cylinders are vertically upward and their ends are connected with a lifting plate. The outer side of the lifting plate is provided with a second driving motor. The inner side of the connecting block is provided with a third hydraulic cylinder, and the end of the piston rod of the third hydraulic cylinder is connected with a clamping block. The multi-station non-eccentric die forging hydraulic press can drive the forging to rotate by setting the worktable to be rotatable, and at the same time, the third hydraulic cylinder can drive the clamping block to move inward to clamp the forging, which is output by the second drive motor The shaft drives the clamping block and the forging to rotate, realizing the multi-directional overturning of the forging, and then forging the six sides of the forging without manual overturning of the forging, which improves the work efficiency.

Description

A multi-station uneccentric die forging hydraulic press

technical field

The invention relates to the technical field of die forging hydraulic press, in particular to a multi-station non-eccentric load die forging hydraulic press.

Background technique

Unbiased die forging hydraulic press is a large-scale hydraulic equipment, which is widely used in mining machinery, hardware tools and other manufacturing industries. It can be used for die forging and finishing forgings of large quantities of ferrous and non-ferrous metals. Forgings have high precision, less machining allowance, high utilization rate of materials and high productivity. However, most of the existing non-eccentric die forging hydraulic presses can only forge forgings in the vertical direction, and multi-station die forging is required in die forging. When forging, the staff needs to use auxiliary devices to turn the forging, which increases the labor of the staff and affects the production efficiency. In view of this, we propose a multi-station non-eccentric die forging hydraulic press.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a multi-station non-eccentric die forging hydraulic press to solve the above-mentioned problems in the background art.

To achieve the above object, the present invention provides the following technical solutions:

A multi-station unbiased die forging hydraulic press, comprising a base on which a rotating worktable is mounted, a mounting groove is opened at the bottom of the base, and the rotating worktable includes a first drive motor mounted on the top of the mounting groove , the output shaft of the first drive motor extends vertically upward to the top of the base and its end is coaxially connected to the worktable body, the bottom of the worktable body is fitted with the top of the base, and the top of the base is located around the worktable body There are four symmetrical guide columns along the vertical direction, a top plate is connected between the tops of the four guide columns, and two symmetrical first hydraulic cylinders are installed at the bottom of the top plate. The piston rod is vertically downward and a moving plate is connected between its ends. The moving plate is slidably connected to the guide column, and a die forging block is arranged at the middle of the bottom of the moving plate, and the top edges on both sides of the base are There are two symmetrical ear seats, two symmetrical second hydraulic cylinders are installed at the bottom of the ear seats, and the piston rods of the two second hydraulic cylinders pass through the ear seats vertically upward and the ends thereof are connected with Lifting plate, the outer side of the lifting plate is provided with a second driving motor, the output shaft of the second driving motor passes through the lifting plate and its end is coaxially connected with a rotating connecting block, and the inner side of the rotating connecting block is installed with a third hydraulic pressure Cylinder, the piston rod of the third hydraulic cylinder faces the worktable body, and the end of the third hydraulic cylinder is coaxially connected with a clamping block.

Preferably, four symmetrical pads are tightly welded at the four corners of the bottom of the base.

Preferably, the guide post is tightly welded on the base, and the top plate is tightly welded on the guide post.

Preferably, four symmetrical and penetrating guide holes are provided on the top of the moving plate. The guide post passes through the guide hole and is slidably connected with it.

Preferably, the ear seat and the base are integrally formed.

Preferably, a groove is formed on the inner side of the lifting plate, and the inner diameter of the groove is adapted to the outer diameter of the rotating connecting block, and the rotating connecting block is located in the groove and is rotatably connected with it.

Preferably, an anti-skid groove is provided on a side of the clamping block close to the worktable body.

Preferably, the bottom height of the third hydraulic cylinder and the clamping block is higher than the top height of the worktable body.

Preferably, a connecting plate is tightly welded on the top edge of the rear side of the base, a mounting plate is tightly welded on the rear edge of the top of the connecting plate, and two symmetrical fourth hydraulic cylinders are installed on the front side of the mounting plate, The piston rods of the two fourth hydraulic cylinders face forward, and a push plate is connected between the ends thereof.

Preferably, the height of the bottom of the fourth hydraulic cylinder and the push plate is higher than the height of the top of the worktable body.

Compared with the prior art, the beneficial effects of the present invention are:

The multi-station non-eccentric die forging hydraulic press is configured to be rotatable by setting the worktable. When in use, the output shaft of the first drive motor rotates to drive the worktable body, which in turn can drive the forgings placed on the worktable body. At the same time, there are clamp blocks at both ends of the worktable body. The piston rod of the third hydraulic cylinder drives the clamp blocks to move inward to clamp the forging, and then the output shaft of the second drive motor drives the third hydraulic cylinder and clamp blocks. It rotates with the forging to realize the multi-directional overturning of the forging, and then the six sides of the forging can be forged without manual overturning of the forging, which reduces the labor of the staff and improves the work efficiency.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is the structural representation of the base in the present invention;

Fig. 3 is the structural representation of the rotating table in the present invention;

4 is a schematic structural diagram of a moving plate in the present invention;

Fig. 5 is the structural representation of the lift plate in the present invention;

FIG. 6 is a schematic structural diagram of a clamping block in the present invention.

In the picture:

1. Guide column;

2. Base; 20. Installation slot; 21. Ear seat; 22. Foot;

3. Rotating the worktable; 30. The first drive motor; 31. The worktable body;

4. Top plate;

5. The first hydraulic cylinder;

6. Moving plate; 60. Die forging block; 61. Guide hole;

7. The second hydraulic cylinder;

8. Lifting plate; 80. Groove;

9. The second drive motor;

10. Rotate the connecting block;

11. The third hydraulic cylinder;

12. Clamping block; 120. Anti-skid groove;

13. Connection board;

14. Mounting plate;

15. The fourth hydraulic cylinder;

16. Push the plate.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc., or The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as a limitation of the present invention.

Furthermore, the terms "first", "second", "third", and "fourth" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance or implying the number of technical features indicated. Thus, a feature defined as "first", "second", "third", "fourth" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

Please refer to Fig. 1-Fig. 6, the present invention provides a technical solution:

A multi-station unbiased die forging hydraulic press comprises a base 2 on which a rotating worktable 3 is installed, an installation groove 20 is opened at the bottom of the base 2, and the rotating worktable 3 includes a first drive installed on the top of the installation groove 20. Motor 30, the output shaft of the first drive motor 30 extends vertically upward to the top of the base 2 and its end is coaxially connected to the worktable body 31, the bottom of the worktable body 31 is fitted with the top of the base 2, and the top of the base 2 is located on the worktable The body 31 is provided with four symmetrical guide columns 1 along the vertical direction. A top plate 4 is connected between the tops of the four guide columns 1. Two symmetrical first hydraulic cylinders 5 are installed at the bottom of the top plate 4. The piston rod of the hydraulic cylinder 5 is vertically downward and a moving plate 6 is connected between its ends. The moving plate 6 is slidably connected with the guide column 1, and a die forging pressure block 60 is arranged in the middle position of the bottom of the moving plate 6, and the forging piece to be forged is It is placed on the worktable body 31, and the piston rod of the first hydraulic cylinder 5 is extended to drive the moving plate 6 and the die forging block 60 to move downward to forge the forging; the top of the moving plate 6 is provided with four symmetrical and penetrating guides. Hole 61, the inner diameter of the guide hole 61 is adapted to the outer diameter of the guide column 1, and the guide column 1 corresponds to the guide hole 61 one-to-one. The sliding connection with the guide hole 61 ensures the stability and accuracy that the piston rod of the first hydraulic cylinder 5 drives the moving plate 6 to move up and down.

In this embodiment, two symmetrical ear seats 21 are provided at the top edges of both sides of the base 2 , two symmetrical second hydraulic cylinders 7 are installed at the bottom of the ear seats 21 , and the piston rods of the two second hydraulic cylinders 7 are vertical Straight up through the ear seat 21 and the lifting plate 8 is connected between its ends, a second driving motor 9 is arranged on the outside of the lifting plate 8, and the output shaft of the second driving motor 9 passes through the lifting plate 8 and its ends are coaxially connected with Rotating the connecting block 10, a groove 80 is provided on the inner side of the lifting plate 8, the inner diameter of the groove 80 is adapted to the outer diameter of the rotating connecting block 10, and the rotating connecting block 10 is located in the groove 80 and is rotatably connected with it. A third hydraulic cylinder 11 is installed on the inner side of the block 10 , the piston rod of the third hydraulic cylinder 11 faces the worktable body 31 and the end of the third hydraulic cylinder 11 is coaxially connected with the clamping block 12 , which is driven by the rotation of the output shaft of the first driving motor 30 during use The worktable body 31 and the forgings placed on the worktable body 31 are rotated to adjust the angle, and then the piston rods of the two third hydraulic cylinders 11 are simultaneously extended to drive the two clamping blocks 12 to move inwardly to clamp the forgings, and then move the forgings inward. The piston rods of the four second hydraulic cylinders 7 are extended to drive the lifting plate 8, the second driving motor 9, the rotating connecting block 10, the third hydraulic cylinder 11, the clamping block 12 and the clamped forging to rise, and then pass through The rotation of the output shaft of the second drive motor 9 drives the rotating connecting block 10, the third hydraulic cylinder 11, the clamping block 12 and the clamped forging to rotate, so as to realize the overturning of the workpiece, and further realize the forging of the six faces of the forging, respectively. There is no need to turn over the forging, and the production efficiency is improved; the side of the clamping block 12 close to the worktable body 31 is provided with an anti-skid groove 120 to increase the friction between the clamping block 12 and the forging to ensure the stability of clamping; the third hydraulic cylinder 11 The bottom height of the clamping block 12 is higher than the top height of the worktable body 31, so as to prevent the piston rod of the third hydraulic cylinder 11 from protruding and driving the clamping block 12 to move inward, colliding and interfering with the worktable body 31, causing damage to the equipment. .

In addition, four symmetrical pads 22 are tightly welded at the four corners of the bottom of the base 2, and the base 2 is supported by the pads 22, so that the base 2 is not directly connected to the ground, preventing water stains remaining on the ground and accelerating the corrosion and damage of the base 2.

Further, a connecting plate 13 is tightly welded on the top edge of the rear side of the base 2, a mounting plate 14 is tightly welded on the rear edge of the top of the connecting plate 13, and two symmetrical fourth hydraulic cylinders 15 are mounted on the front side of the mounting plate 14. , the piston rods of the two fourth hydraulic cylinders 15 face forward and a push plate 16 is connected between their ends. After the forging of the forging is completed, the piston rod of the fourth hydraulic cylinder 15 is extended to drive the mounting plate 14 forward to work The front end of the table body 31 is convenient for the staff to take out the forged forgings; the bottom height of the fourth hydraulic cylinder 15 and the push plate 16 is higher than the top height of the work table body 31 to ensure that the piston rod of the fourth hydraulic cylinder 15 drives the push plate 16 to the When the forging is pushed forward by the forward movement, the fourth hydraulic cylinder 15 and the push plate 16 do not collide and interfere with the table body 31 .

Specifically, the guide column 1 is tightly welded to the base 2, the top plate 4 is tightly welded to the guide column 1, the ear seat 21 and the base 2 are integrally formed, and the welded fixing and integrally formed manufacturing structure is stable, preventing it from falling off during use. cause equipment damage and accidents.

When the multi-station non-eccentric die forging hydraulic press in this embodiment is in use, the staff first checks the integrity of the non-eccentric die forging hydraulic press and whether the connections are firm; then place the forging to be forged on the worktable body 31 Then, the piston rod of the first hydraulic cylinder 5 is extended to drive the moving plate 6 and the die forging block 60 to move downward along the direction of the guide column 1 to forge the forging; During forging, firstly, the piston rod of the first hydraulic cylinder 5 is retracted to drive the moving plate 6 and the die forging pressure block 60 to reset upward along the direction of the guide column 1, and then the output shaft of the first drive motor 30 is rotated to drive the worktable body 31 and The forging placed on the worktable body 31 is rotated and the angle is adjusted, and then the piston rods of the two third hydraulic cylinders 11 are simultaneously extended to drive the two clamping blocks 12 to move inward, the forging is clamped, and then the four second hydraulic cylinders 11 are extended. The piston rod of the hydraulic cylinder 7 extends at the same time, driving the lifting plate 8, the second driving motor 9, the rotating connecting block 10, the third hydraulic cylinder 11, the clamping block 12 and the clamped forging to rise, and then the second driving motor The output shaft of 9 rotates in the opposite direction at the same time, driving the rotating connecting block 10, the third hydraulic cylinder 11, the clamping block 12 and the clamped forging to rotate to realize the inversion of the workpiece, and then retracted by the piston rod of the second hydraulic cylinder 7 , drive the lifting plate 8 to reset. At this time, the forging is in contact with the rotating table 3 and is placed smoothly. Then the piston rod of the third hydraulic cylinder 11 is retracted again to drive the clamping block 12 to reset. At this time, the piston rod of the first hydraulic cylinder 5 Extend and drive the moving plate 6 and the die forging block 60 to move downward along the direction of the guide column 1 to forge the forging; after the forging is completed, repeat the above operation to forge the other surfaces of the forging; after the forging of the entire forging is completed, the fourth hydraulic pressure The extension of the piston rod of the cylinder 15 drives the mounting plate 14 to push forward to the front end of the worktable body 31, and then takes out the forged piece.

The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions are only preferred examples of the present invention, and are not intended to limit the present invention, without departing from the spirit and scope of the present invention. Under the premise, the present invention will also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. A multi-station hydraulic press for die forging without unbalance loading is characterized in that: the automatic feeding device comprises a base (2), wherein a rotating workbench (3) is installed on the base (2), a mounting groove (20) is formed in the bottom of the base (2), the rotating workbench (3) comprises a first driving motor (30) installed at the top of the mounting groove (20), an output shaft of the first driving motor (30) vertically upwards extends to the top of the base (2), the tail end of the output shaft is coaxially connected with a workbench body (31), the bottom of the workbench body (31) is attached to the top of the base (2), four guide columns (1) which are symmetrical and are arranged around the workbench body (31) at the top of the base (2), a top plate (4) is connected between the tops of the four guide columns (1), two symmetrical first hydraulic cylinders (5) are installed at the bottom of the top plate (4), and a moving plate (6) is connected between the piston rods of the two first hydraulic cylinders (5) vertically downwards and the tail end of the piston rods of the, the moving plate (6) is connected with the guide post (1) in a sliding way, a die forging press block (60) is arranged in the middle of the bottom of the moving plate (6), two symmetrical ear seats (21) are arranged at the top edges of the two sides of the base (2), two symmetrical second hydraulic cylinders (7) are installed at the bottom of the lug seat (21), piston rods of the two second hydraulic cylinders (7) vertically penetrate through the lug seat (21) upwards, a lifting plate (8) is connected between the tail ends of the two second hydraulic cylinders, a second driving motor (9) is arranged on the outer side of the lifting plate (8), an output shaft of the second driving motor (9) penetrates through the lifting plate (8) and the tail end of the second driving motor is coaxially connected with a rotating connecting block (10), a third hydraulic cylinder (11) is installed on the inner side of the rotary connecting block (10), and a piston rod of the third hydraulic cylinder (11) faces the workbench body (31) and the tail end of the piston rod is coaxially connected with a clamping block (12).

2. The multi-station hydraulic unbiased-load die forging press according to claim 1, wherein: four symmetrical foot pads (22) are tightly welded at the four corners of the bottom of the base (2).

3. The multi-station hydraulic unbiased-load die forging press according to claim 1, wherein: the guide post (1) is tightly welded on the base (2), and the top plate (4) is tightly welded on the guide post (1).

4. The multi-station hydraulic unbiased-load die forging press according to claim 1, wherein: four symmetrical and penetrating guide holes (61) are formed in the top of the moving plate (6), the inner diameter of each guide hole (61) is matched with the outer diameter of each guide column (1), the guide columns (1) correspond to the guide holes (61) one to one, and the guide columns (1) penetrate through the guide holes (61) and are connected with the guide columns in a sliding mode.

5. The multi-station hydraulic unbiased-load die forging press according to claim 1, wherein: the ear seat (21) and the base (2) are of an integrated structure.

6. The multi-station hydraulic unbiased-load die forging press according to claim 1, wherein: a groove (80) is formed in the inner side of the lifting plate (8), the inner diameter of the groove (80) is matched with the outer diameter of the rotary connecting block (10), and the rotary connecting block (10) is located in the groove (80) and is in rotary connection with the groove.

7. The multi-station hydraulic unbiased-load die forging press according to claim 1, wherein: an anti-skid groove (120) is formed in one side, close to the workbench body (31), of the clamping block (12).

8. The multi-station hydraulic unbiased-load die forging press according to claim 1, wherein: the bottom heights of the third hydraulic cylinder (11) and the clamping block (12) are higher than the top height of the workbench body (31).

9. The multi-station hydraulic unbiased-load die forging press according to claim 1, wherein: the top edge of base (2) rear side has connecting plate (13) in the close welding, the rear side edge department at connecting plate (13) top has mounting panel (14) in the close welding, the fourth pneumatic cylinder (15) of two symmetries are installed to mounting panel (14) front side, two the piston rod of fourth pneumatic cylinder (15) is connected with between orientation the place ahead and its end and has slurcam (16).

10. The multi-station hydraulic unbiased-load die forging press according to claim 9, wherein: the bottom heights of the fourth hydraulic cylinder (15) and the pushing plate (16) are higher than the top height of the workbench body (31).

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