CN215904017U

CN215904017U - Buffer device for hydraulic machine

Info

Publication number: CN215904017U
Application number: CN202122375295.9U
Authority: CN
Inventors: 闵剑庭; 邹昌建; 丁辉
Original assignee: Shanghai Longzheng Intelligent Technology Co ltd
Current assignee: Shanghai Longzheng Intelligent Technology Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-02-25
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a buffer device for a hydraulic machine, which comprises a height adjusting mechanism, a buffer mechanism, a second buffer mechanism and a third buffer mechanism, wherein through the matching arrangement of four first buffer mechanisms, a second transverse plate drives a second sleeve to shrink towards the inside of the first sleeve to extrude a first spring, so that the first spring shrinks to buffer impact force, meanwhile, the second transverse plate drives a second buffer mechanism and a hinge rod in a second connecting block to move, a slide block is driven to slide along a slide rod through the hinge rod, the slide block extrudes a second spring, the impact force is buffered by the shrinkage of the second spring, further, the impact force caused by stamping is buffered, further, the risk that the impact force damages a hydraulic machine is reduced, through rotating a first screw cap and a second screw cap, through adjusting the height of the first screw cap and the second screw cap on a threaded rod, further, the height of the third transverse plate on the threaded rod is moved, the height of the punching head is adjusted.

Description

Buffer device for hydraulic machine

Technical Field

The utility model relates to the technical field of hydraulic machines, in particular to a buffering device for a hydraulic machine.

Background

A hydraulic press (also known as oil press) is a machine which is made by using hydrostatic pressure and liquid as working medium according to Pascal principle and is used for transferring energy to process products such as metal, plastic, rubber, wood and powder. The hydraulic press is a machine for processing metal, plastics, rubber, wood and powder products by using hydrostatic pressure, and can be used for forging and forming, correcting, press-mounting, packing, pressing block and plate-pressing, and its principle is that it utilizes the pascal's law to make the machine by utilizing hydraulic pressure to drive.

When a workpiece is stamped by the hydraulic press, the stamping head is directly fixedly connected with the telescopic end of the hydraulic press, the telescopic end of the hydraulic press drives the stamping head to stamp the workpiece, and due to the lack of a buffer structure, the hydraulic press can generate huge impact force when driving the stamping head to stamp the workpiece, and the hydraulic press is easily damaged in the past.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a cushion device for a hydraulic machine, which solves the above problems of the related art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a buffering device for a hydraulic press comprises a mounting plate, wherein a first transverse plate is arranged below the mounting plate, a connecting mechanism is arranged between the mounting plate and the first transverse plate, a second transverse plate is arranged below the first transverse plate, a punching head is fixedly connected to the bottom of the second transverse plate, four first buffering mechanisms are symmetrically arranged at the top of the second transverse plate, each first buffering mechanism comprises a first spring, a first sleeve and a second sleeve, a first connecting block and a second connecting block are symmetrically and fixedly connected to the bottom of the first transverse plate, a sliding rod is arranged between the first connecting block and the second connecting block, one end of the sliding rod is fixedly connected with one side of the first connecting block, the other end of the sliding rod is fixedly connected with one side of the second connecting block, a fixed block is fixedly sleeved on the outer side of the middle of the sliding rod, and a second buffering mechanism and a third buffering mechanism are arranged on the sliding rod, the second buffer gear includes slider, hinge bar and second spring, the slider runs through the outside that the slide bar was located to the slip cap, the outside of slide bar is located to the second spring housing, the one end of second spring and the lateral wall fixed connection of slider, the other end of second spring and the lateral wall fixed connection of fixed block, the top and the slider bottom of hinge bar are articulated, the bottom and the second diaphragm top of hinge bar are articulated.

As a further scheme of the utility model: the connecting mechanism comprises a height adjusting mechanism and a third transverse plate, the top of the third transverse plate is fixedly connected with the bottom of the mounting plate, the height adjusting mechanism is symmetrically provided with four parts, the height adjusting mechanism comprises a first nut, a second nut, a threaded rod and a through hole, the through hole is longitudinally penetrated and opened on the third transverse plate, the threaded rod is sleeved on the inner side of the through hole, the top end of the threaded rod extends out of the top of the through hole, the bottom end of the threaded rod extends out of the lower part of the through hole, the first nut and the second nut are sleeved on the outer side of the threaded rod in an equal thread mode, the first nut is arranged below the third transverse plate, the second nut is arranged above the third transverse plate, and the bottom end of the threaded rod is fixedly connected with the top of the first transverse plate.

As a still further scheme of the utility model: the bottom of the first sleeve is arranged in an opening mode, the top of the second sleeve is arranged in an opening mode, the first spring is arranged on the inner side of the first sleeve and the inner side of the second sleeve, the top end of the first sleeve is fixedly connected with the bottom of the first transverse plate, the second sleeve is sleeved on the inner side of the first sleeve in a sliding mode, the bottom end of the second sleeve stretches out of the outer portion of the first sleeve and is fixedly connected with the top of the second transverse plate, the top end of the first spring is fixedly connected with the top of the inner side of the first sleeve, and the bottom end of the first spring is fixedly connected with the bottom of the inner side of the second sleeve.

As a still further scheme of the utility model: the hinged rod is arranged obliquely.

As a still further scheme of the utility model: and the specifications of all parts of the third buffer mechanism and the second buffer mechanism are the same.

As a still further scheme of the utility model: the third buffer mechanism and the second buffer mechanism are symmetrically arranged.

Compared with the prior art, the utility model has the beneficial effects that:

1. the cooperation through four first buffer gear sets up, the second diaphragm drives the second sleeve and contracts to extrude first spring in the first sleeve, make the first spring shrink cushion impact force, simultaneously drive the hinge bar motion in second buffer gear and the second connecting block through the second diaphragm, it slides along the slide bar to drive the slider through the hinge bar, extrude the second spring through the slider, impact force is cushioned to the second spring shrink, and then cushion the impact force that the punching press caused, the injury that impact force when reducing the punching press led to the fact the hydraulic press, and then reduce the risk that the impact force caused the damage to the hydraulic press.

2. Through rotating first nut and second nut, through adjusting the height of first nut and second nut on the threaded rod, and then remove the height of third diaphragm on the threaded rod, adjust to the high back that needs when the third diaphragm, rethread rotates first nut and second nut, make first nut and second nut draw close to the third diaphragm extrusion, make first diaphragm keep at current height, and then make the punching press head keep at current height, realize adjusting the height of punching press head.

Drawings

Fig. 1 is a schematic structural view of a shock absorber for a hydraulic press.

Fig. 2 is an enlarged view of a portion a of the shock absorber for a hydraulic press.

Fig. 3 is a partial plan view of the shock absorber for a hydraulic press.

Fig. 4 is a plan view of a third cross plate in the hydraulic shock absorber.

Shown in the figure: the height adjusting mechanism comprises a height adjusting mechanism 1, a first nut 101, a second nut 102, a threaded rod 103, a through hole 104, a mounting plate 2, a first transverse plate 3, a first connecting block 4, a first buffer mechanism 5, a first spring 501, a first sleeve 502, a second sleeve 503, a second buffer mechanism 6, a sliding block 601, a hinge rod 602, a second spring 603, a second transverse plate 7, a sliding rod 8, a stamping head 9, a fixing block 10, a third buffer mechanism 11, a second connecting block 12, a connecting mechanism 13 and a third transverse plate 14.

Detailed Description

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

Referring to fig. 1 to 4, in the embodiment of the present invention, a buffering device for a hydraulic press includes a mounting plate 2, a first transverse plate 3 is disposed below the mounting plate 2, a connecting mechanism 13 is disposed between the mounting plate 2 and the first transverse plate 3, the connecting mechanism 13 includes a height adjusting mechanism 1 and a third transverse plate 14, the top of the third transverse plate 14 is fixedly connected to the bottom of the mounting plate 2, four height adjusting mechanisms 1 are symmetrically disposed, the height adjusting mechanism 1 includes a first nut 101, a second nut 102, a threaded rod 103 and a through hole 104, the through hole 104 is longitudinally penetrated and opened on the third transverse plate 14, the threaded rod 103 is sleeved on the inner side of the through hole 104, the top end of the threaded rod 103 extends above the through hole 104, the bottom end of the threaded rod 103 extends below the through hole 104, the first nut 101 and the second nut 102 are both threadedly sleeved on the outer side of the threaded rod 103, the first nut 101 is arranged below the third transverse plate 14, the second nut 102 is arranged above the third transverse plate 14, the bottom end of the threaded rod 103 is fixedly connected with the top of the first transverse plate 3, the second transverse plate 7 is arranged below the first transverse plate 3, the bottom of the second transverse plate 7 is fixedly connected with the stamping head 9, four first buffer mechanisms 5 are symmetrically arranged at the top of the second transverse plate 7, each first buffer mechanism 5 comprises a first spring 501, a first sleeve 502 and a second sleeve 503, the bottom end of the first sleeve 502 is provided with an opening, the top end of the second sleeve 503 is provided with an opening, the first spring 501 is arranged at the inner sides of the first sleeve 502 and the second sleeve 503, the top end of the first sleeve 502 is fixedly connected with the bottom of the first transverse plate 3, the second sleeve 503 is slidably sleeved at the inner side of the first sleeve 502, the bottom end of the second sleeve 503 extends out of the first sleeve 502 and is fixedly connected with the top of the second transverse plate 7, the top end of the first spring 501 is fixedly connected with the top end of the inner side of the first sleeve 502, the bottom end of the first spring 501 is fixedly connected with the bottom end of the inner side of the second sleeve 503, the bottom of the first transverse plate 3 is symmetrically and fixedly connected with the first connecting block 4 and the second connecting block 12, a sliding rod 8 is arranged between the first connecting block 4 and the second connecting block 12, one end of the sliding rod 8 is fixedly connected with one side of the first connecting block 4, the other end of the sliding rod 8 is fixedly connected with one side of the second connecting block 12, a fixed block 10 is fixedly sleeved on the outer side of the middle part of the sliding rod 8, a second buffer mechanism 6 and a third buffer mechanism 11 are arranged on the sliding rod 8, the second buffer mechanism 6 comprises a sliding block 601, a hinged rod 602 and a second spring 603, the sliding block 601 is sleeved on the outer side of the sliding rod 8 in a sliding manner, and the second spring 603 is sleeved on the outer side of the sliding rod 8, one end of the second spring 603 is fixedly connected with the side wall of the sliding block 601, the other end of the second spring 603 is fixedly connected with the side wall of the fixed block 10, the top end of the hinge rod 602 is hinged to the bottom of the sliding block 601, the bottom end of the hinge rod 602 is hinged to the top of the second transverse plate 7, the hinge rod 602 is arranged in a tilted mode, specifications of each part of the third buffer mechanism 11 and the second buffer mechanism 6 are identical, and the third buffer mechanism 11 and the second buffer mechanism 6 are symmetrically arranged.

The working principle of the utility model is as follows:

when the device is used, the top of the mounting plate 2 is fixedly connected with the telescopic end of the hydraulic press, the telescopic end of the hydraulic press drives the mounting plate 2 to move downwards so as to drive the stamping head 9 to move downwards, so that the stamping head 9 is contacted with a workpiece and performs stamping processing on the workpiece, after the stamping head 9 is contacted with the processed workpiece, through the matching arrangement of the four first buffer mechanisms 5, the second transverse plate 7 drives the second sleeve 503 to shrink into the first sleeve 502 to extrude the first spring 501, so that the first spring 501 shrinks to buffer impact force, meanwhile, the second transverse plate 7 drives the second buffer mechanism 6 and the hinged rod 602 in the second connecting block 12 to move, the sliding block 601 is driven by the hinged rod 602 to slide along the sliding rod 8, the sliding block 601 extrudes the second spring 603, the shrinkage of the second spring 603 shrinks to buffer impact force, so as to buffer impact force caused by stamping, the damage of impact force to the hydraulic press during the punching press is reduced, and then the risk that the impact force causes damage to the hydraulic press is reduced, when the height of the punching press head 9 needs to be adjusted, through rotating the first nut 101 and the second nut 102, through adjusting the height of the first nut 101 and the second nut 102 on the threaded rod 103, and then move the height of the third transverse plate 14 on the threaded rod 103, after the third transverse plate 14 is adjusted to the required height, through rotating the first nut 101 and the second nut 102, the first nut 101 and the second nut 102 are close to the third transverse plate 14 to extrude the third transverse plate 14, the first transverse plate 3 is kept at the current height, and then the punching press head 9 is kept at the current height, and the height of the punching press head 9 is adjusted.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. A buffer device for hydraulic machine, includes mounting panel (2), its characterized in that: the improved structure of the automobile seat is characterized in that a first transverse plate (3) is arranged below the mounting plate (2), a connecting mechanism (13) is arranged between the mounting plate (2) and the first transverse plate (3), a second transverse plate (7) is arranged below the first transverse plate (3), a stamping head (9) is fixedly connected to the bottom of the second transverse plate (7), four first buffer mechanisms (5) are symmetrically arranged at the top of the second transverse plate (7), each first buffer mechanism (5) comprises a first spring (501), a first sleeve (502) and a second sleeve (503), a first connecting block (4) and a second connecting block (12) are symmetrically and fixedly connected to the bottom of the first transverse plate (3), a sliding rod (8) is arranged between the first connecting block (4) and the second connecting block (12), one end of the sliding rod (8) is fixedly connected to one side of the first connecting block (4), and the other end of the sliding rod (8) is fixedly connected to one side of the second connecting block (12), the fixed cover in middle part outside of slide bar (8) is equipped with fixed block (10), be provided with second buffer gear (6) and third buffer gear (11) on slide bar (8), second buffer gear (6) are including slider (601), hinge bar (602) and second spring (603), the outside of slide bar (8) is located to slider (601) through sliding sleeve, the outside of slide bar (8) is located to second spring (603) cover, the one end of second spring (603) and the lateral wall fixed connection of slider (601), the other end of second spring (603) and the lateral wall fixed connection of fixed block (10), the top of hinge bar (602) is articulated with slider (601) bottom, the bottom of hinge bar (602) is articulated with second diaphragm (7) top.

2. The shock absorbing device for a hydraulic press according to claim 1, wherein: the connecting mechanism (13) comprises a height adjusting mechanism (1) and a third transverse plate (14), the top of the third transverse plate (14) is fixedly connected with the bottom of the mounting plate (2), the height adjusting mechanism (1) is symmetrically provided with four, the height adjusting mechanism (1) comprises a first nut (101), a second nut (102), a threaded rod (103) and a through hole (104), the through hole (104) is longitudinally arranged on the third transverse plate (14) in a penetrating manner, the threaded rod (103) is sleeved on the inner side of the through hole (104), the top end of the threaded rod (103) extends out of the through hole (104), the bottom end of the threaded rod (103) extends out of the lower part of the through hole (104), the first nut (101) and the second nut (102) are all sleeved on the outer side of the threaded rod (103), and the first nut (101) is arranged below the third transverse plate (14), the second screw cap (102) is arranged above the third transverse plate (14), and the bottom end of the threaded rod (103) is fixedly connected with the top of the first transverse plate (3).

3. The shock absorbing device for a hydraulic press according to claim 1, wherein: the bottom end of the first sleeve (502) is provided with an opening, the top end of the second sleeve (503) is provided with an opening, the first spring (501) is arranged on the inner sides of the first sleeve (502) and the second sleeve (503), the top end of the first sleeve (502) is fixedly connected with the bottom of the first transverse plate (3), the second sleeve (503) is sleeved on the inner side of the first sleeve (502) in a sliding mode, the bottom end of the second sleeve (503) stretches out of the outer portion of the first sleeve (502) and is fixedly connected with the top of the second transverse plate (7), the top end of the first spring (501) is fixedly connected with the top end of the inner side of the first sleeve (502), and the bottom end of the first spring (501) is fixedly connected with the bottom end of the inner side of the second sleeve (503).

4. The shock absorbing device for a hydraulic press according to claim 1, wherein: the hinged rod (602) is arranged obliquely.

5. The shock absorbing device for a hydraulic press according to claim 1, wherein: and the specifications of each part of the third buffer mechanism (11) and the second buffer mechanism (6) are the same.

6. The shock absorbing device for a hydraulic press according to claim 1, wherein: the third buffer mechanism (11) and the second buffer mechanism (6) are symmetrically arranged.