CN215370726U

CN215370726U - Damping device and punch press

Info

Publication number: CN215370726U
Application number: CN202121750062.6U
Authority: CN
Inventors: 龙岩
Original assignee: FAW Jiefang Automotive Co Ltd
Current assignee: FAW Jiefang Automotive Co Ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-12-31
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses a damping device and a punch press, and belongs to the technical field of punch presses. The damping device comprises a damping piece, a buffering mechanism and an elastic telescopic seat, wherein the upper part of the damping piece is used for being abutted against a damped piece, and the lower part of the damping piece is provided with a first inclined plane inclined relative to a vertical plane; the buffer mechanism comprises a second abutting block and an elastic telescopic assembly, the elastic telescopic assembly elastically abuts against the second abutting block, and a second inclined surface matched with the first inclined surface is arranged on the end surface of the second abutting block so as to drive the second abutting block to compress the elastic telescopic assembly when the damping piece moves downwards; the elastic telescopic seat is arranged below the shock absorption piece to elastically support the shock absorption piece in the vertical direction. The elastic telescopic seat and the elastic telescopic assembly are used for buffering the vibration received by the damping piece, so that the purposes of damping and reducing noise are achieved. According to the punching machine, by applying the damping device, the service life of the punching machine can be prolonged, the processing quality of the punching machine can be improved, and meanwhile, the noise generated by the punching machine is reduced.

Description

Damping device and punch press

Technical Field

The utility model relates to the technical field of punching machines, in particular to a damping device and a punching machine.

Background

The punch press is a stamping type press. Compared with the traditional machining, the stamping process has the advantages of material and energy saving, high efficiency, low technical requirement on operators and the like. Meanwhile, products which are not suitable for machining can be finished by adopting various dies and a stamping process, so that the application of the punch press is more and more extensive.

However, when the traditional punch press works, the punching force is large, so that large vibration can be generated, the service life of the punch press is easily shortened, the processing quality of the punch press can be reduced, and the noise generated by vibration can influence the physical and mental health of workers.

SUMMERY OF THE UTILITY MODEL

One objective of the present invention is to provide a damping device, which has a vibration damping effect, and can achieve the purpose of damping and reducing noise.

Another object of the present invention is to provide a punching machine, which can prolong the service life of the punching machine, improve the processing quality of the punching machine, and reduce the noise generated during the operation of the punching machine by using the damping device.

In order to realize the purpose, the following technical scheme is provided:

in one aspect, a shock absorbing device is provided, including:

the upper part of the damping piece is used for being abutted against a damped piece, and the lower part of the damping piece is provided with a first inclined plane inclined relative to a vertical plane;

the buffer mechanism comprises a second abutting block and an elastic telescopic component, the elastic telescopic component elastically abuts against the second abutting block, and a second inclined surface matched with the first inclined surface is arranged on the end surface of the second abutting block so as to drive the second abutting block to compress the elastic telescopic component when the damping piece moves downwards;

the elastic telescopic seat is arranged below the damping piece to elastically support the damping piece in the vertical direction.

As an alternative to the shock absorbing device, the shock absorbing device further comprises a case, and the shock absorbing member includes:

the lower ends of the buffer columns are located in the box body, and the upper ends of the buffer columns penetrate through the top wall of the box body and then are located outside the box body;

the lower ends of the buffer columns are provided with the first abutting blocks, and the end faces of the first abutting blocks are provided with the first inclined planes;

the connecting piece is connected between the first abutting blocks.

As an alternative of the damping device, one end of the buffer column, which is positioned outside the box body, is of a T-shaped structure.

As an alternative of the damping device, the buffering mechanisms are arranged in one-to-one correspondence with the first abutting blocks.

As an alternative to the shock absorbing means, the elastically telescopic assembly comprises:

the piston rod is fixedly arranged in the box body, and the second abutting block is fixedly arranged at the telescopic end of the piston rod;

one end of the first elastic piece is fixedly arranged in the box body, and the other end of the first elastic piece is connected with the second abutting block.

As an alternative to the shock absorbing device, the elastic expansion seat comprises at least two elastic support units, and at least two elastic support units are symmetrically arranged below the connecting piece relative to the center of the connecting piece.

As an alternative to the shock-absorbing devices, the elastic support units each comprise:

the sliding block is slidably arranged on the bottom wall in the box body;

one end of the connecting rod is hinged with the connecting piece, and the other end of the connecting rod is hinged with the sliding block;

and one end of the second elastic piece is fixedly arranged in the box body, and the other end of the second elastic piece is connected with the sliding block.

As an alternative of the damping device, the elastic supporting unit further comprises a guide rod, the guide rod is fixedly arranged in the box body, and the sliding block is slidably sleeved outside the guide rod.

As an alternative of the damping device, the bottom of the box body is provided with a movable wheel;

the box body is also provided with a box door which can be opened and closed.

In another aspect, there is provided a punch press including a punch press body and the shock absorbing device as described in any one of the above, wherein an upper portion of the shock absorbing member abuts against the punch press body.

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

the damping device comprises a damping piece, a buffering mechanism and an elastic telescopic seat, wherein the upper part of the damping piece is used for being abutted against a damped piece, and the lower part of the damping piece is provided with a first inclined plane inclined relative to a vertical plane; the buffer mechanism comprises a second abutting block and an elastic telescopic assembly, the elastic telescopic assembly elastically abuts against the second abutting block, and a second inclined surface matched with the first inclined surface is arranged on the end surface of the second abutting block so as to drive the second abutting block to compress the elastic telescopic assembly when the damping piece moves downwards; the elastic telescopic seat is arranged below the shock absorption piece to elastically support the shock absorption piece in the vertical direction. When the shock absorption piece is vibrated and pressed downwards, the elastic expansion seat is compressed, and the second abutting block is pushed by the first inclined plane to compress the elastic expansion assembly; when the pressure that the shock attenuation piece received disappears, the shock attenuation piece can also shift up under the elastic force effect of elastic expansion seat and elastic expansion subassembly, utilizes the vibrations that elastic expansion seat and elastic expansion subassembly buffering shock attenuation piece received, and then can offset the vibrations power, has the effect of buffering vibrations, reaches the shock attenuation, falls the purpose of making an uproar.

According to the punching machine, by applying the damping device, the service life of the punching machine can be prolonged, the processing quality of the punching machine can be improved, and meanwhile, the noise generated during the working of the punching machine is reduced.

Drawings

FIG. 1 is a schematic structural diagram of a punch press according to an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

fig. 4 is a schematic structural diagram of a punch press when the box door is closed according to an embodiment of the present invention.

Reference numerals:

100. a punch body; 101. installing a base on the punch;

1. a box body; 11. a moving wheel; 12. a box door;

2. a shock absorbing member; 2a, a first inclined plane; 21. a buffer column; 22. a first resisting block; 23. a connecting member;

3. a buffer mechanism; 31. a second resisting block; 311. a second inclined plane; 32. an elastic telescopic component; 321. a piston rod; 322. a first elastic member;

4. an elastic telescopic base; 41. an elastic support unit; 411. a slider; 412. a connecting rod; 413. a second elastic member; 414. mounting a box; 415. a guide rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

As shown in fig. 1, this embodiment provides a punch press, including punch press body 100 and damping device, the bottom of punch press body 100 is equipped with punch press installation base 101, and damping device installs in the bottom of punch press installation base 101, utilizes the vibrations that damping device cushioned punch press body 100 produced, can not only prolong the life of punch press, still is favorable to improving the processingquality of punch press, reduces the noise that the punch press during operation produced simultaneously.

As shown in fig. 1-3, the damping device comprises a box body 1, a damping piece 2, a buffer mechanism 3 and an elastic telescopic seat 4, wherein the upper part of the damping piece 2 is used for being abutted against a damped piece, and the lower part of the damping piece 2 is provided with a first inclined surface 2a inclined relative to a vertical plane; the buffer mechanism 3 comprises a second abutting block 31 and an elastic telescopic component 32, the elastic telescopic component 32 elastically abuts against the second abutting block 31, and a second inclined surface 311 matched with the first inclined surface 2a is arranged on the end surface of the second abutting block 31 so as to drive the second abutting block 31 to compress the elastic telescopic component 32 when the shock absorption piece 2 moves downwards; the elastic expansion seat 4 is provided below the shock absorbing member 2 to elastically support the shock absorbing member 2 in the vertical direction. In this embodiment, the upper portion of the damping member 2 is located outside the box 1 after penetrating through the top wall of the box 1, the lower portion of the damping member 2 is located inside the box 1, and the buffering mechanism 3 and the elastic expansion seat 4 can be arranged inside the box 1, so that the box 1 can be used for protecting parts arranged inside the box 1, and the service life of the parts can be prolonged.

When the shock absorbing member 2 is vibrated and pressed downwards, the elastic telescopic seat 4 is compressed, and the second abutting block 31 is pushed by the first inclined surface 2a to compress the elastic telescopic assembly 32; when the pressure that the damper 2 received disappears, damper 2 can also shift up under the elastic force effect of elastic expansion seat 4, meanwhile, the elastic force that elastic expansion subassembly 32 resets and produces can promote second and support piece 31, in order to provide the extrusion force to first inclined plane 2a through second inclined plane 311, supplementary damper 2 shifts up, utilize the vibrations that elastic expansion seat 4 and elastic expansion subassembly 32 cushion damper 2 received, and then can offset the shaking force, have the effect of buffering vibrations, reach the shock attenuation, fall the purpose of making an uproar.

Optionally, as shown in fig. 1, the damping member 2 includes at least two damping columns 21, a first abutting block 22 and a connecting member 23, the damping columns 21 are located inside the box body 1, and the upper ends of the damping columns 21 penetrate through the top wall of the box body 1 and then are located outside the box body 1; the lower ends of the buffer columns 21 are provided with first abutting blocks 22, and the end faces of the first abutting blocks 22 are provided with first inclined planes 2 a; the connecting member 23 is connected between the first supporting blocks 22, so that the plurality of buffer pillars 21 and the first supporting blocks 22 form an integral structure, which is beneficial to transmitting the vibration generated by the punch body 100. In this embodiment, the number of the buffer columns 21 is two, the connecting member 23 is fixed between the two first abutting blocks 22, and a first inclined surface 2a is disposed on one side of the first abutting block 22 away from the connecting member 23, so as to be conveniently matched with the second inclined surface 311 of the second abutting block 31. Illustratively, the buffer column 21 is made of aluminum alloy, and the aluminum alloy has high hardness, so that the service life of the buffer column 21 can be prolonged.

Preferably, one end of the buffer column 21 located outside the box 1 is a T-shaped structure, so that the contact area between the buffer column 21 and the punch body 100 is larger, and the support is more stable.

Optionally, the buffer mechanisms 3 are disposed in one-to-one correspondence with the first abutting blocks 22. It can be understood that the second abutting blocks 31 are disposed in one-to-one correspondence with the first abutting blocks 22, so that the second inclined surfaces 311 abut against the first inclined surfaces 2a in one-to-one correspondence, so that the elastic expansion element 32 can provide a uniform thrust to the first abutting blocks 22 through the second abutting blocks 31 to assist the first abutting blocks 22 to move upward.

Optionally, as shown in fig. 2 in conjunction with fig. 1, the elastic expansion assembly 32 includes a piston rod 321 and a first elastic member 322, the piston rod 321 is fixedly disposed in the box 1, the second abutting block 31 is fixedly mounted on an expansion end of the piston rod 321, and the piston rod 321 is used to support the second abutting block 31, because most of the pressure of the buffer column 21 acts on the elastic expansion seat 4 when the buffer column is pressed down, and the second abutting block 31 is subjected to a small amount of pressure to press the piston rod 321 and contract the piston rod 321, the piston rod 321 is not broken; one end of the first elastic member 322 is fixedly disposed in the box body 1, and the other end is connected to the second abutting block 31. Optionally, the first elastic element 322 is a spring, the spring is sleeved outside the telescopic end of the piston rod 321, one end of the spring abuts against the inner wall of the box body 1, the other end of the spring abuts against the second abutting block 31, and when the second abutting block 31 is pressed, the spring is squeezed and compressed; when the pressure on the second abutting block 31 disappears, the spring is reset and pushes the first abutting block 22 through the second abutting block 31, so that the buffer column 21 moves upwards.

Optionally, the elastic expansion seat 4 comprises at least two elastic supporting units 41, and in order to uniformly stabilize the force applied to the connecting member 23, the at least two elastic supporting units 41 are symmetrically arranged below the connecting member 23 with respect to the center of the connecting member 23. Alternatively, as shown in fig. 3 in conjunction with fig. 1, each elastic support unit 41 includes a slider 411, a link 412 and a second elastic member 413, the slider 411 being slidably disposed on the inner bottom wall of the case 1; one end of the connecting rod 412 is hinged with the connecting piece 23, and the other end is hinged with the sliding block 411; one end of the second elastic member 413 is fixedly disposed in the case 1, and the other end is connected to the slider 411. In this embodiment, the number of the elastic supporting units 41 is two, and the opposite sides of the two sliders 411 are connected to the corresponding second elastic members 413. In this embodiment, the second elastic member 413 is a spring. When the buffer column 21 is pressed down by vibration, the pressure is transmitted to the connecting rod 412 through the connecting piece 23, the connecting rod 412 rotates and pushes the sliding blocks 411, and the two sliding blocks 411 respectively slide in the directions away from each other to compress the second elastic piece 413; when the pressure on the damping pillar 21 is eliminated, the second elastic member 413 resets and pushes the sliding blocks 411, and the two sliding blocks 411 respectively slide in the direction of approaching each other, so as to drive the connecting rod 412 to rotate and reset, so that the damping pillar 21 moves upwards, and the vibration force can be counteracted. In other embodiments, the opposite sides of the two sliders 411 are connected to the corresponding second elastic members, when the bumper beam 21 is pressed down by vibration, the two sliders 411 respectively slide in a direction away from each other through the connecting rod 412 to stretch the second elastic members, and the sliders 411 can also slide and reset by the elastic force of the second elastic members.

Optionally, in order to facilitate the installation of the sliding block 411 and the second elastic member 413, the elastic support unit 41 further includes an installation box 414, the installation box 414 is fixed at the bottom inside the box body 1, the sliding block 411 is slidably connected inside the installation box 414, one end of the second elastic member 413 abuts against an end inside the installation box 414, and the other end abuts against the sliding block 411. Optionally, the elastic supporting unit 41 further includes a guiding rod 415, the guiding rod 415 is fixedly disposed in the box body 1, and the sliding block 411 is slidably sleeved outside the guiding rod 415. In this embodiment, the guide rod 415 is fixed in the mounting box 414, the second elastic element 413 and the sliding block 411 are both sleeved outside the guide rod 415, and the guide rod 415 is used to guide and fix the sliding block 411, so that the sliding block 411 can slide more smoothly, and the sliding block 411 can be prevented from being separated from the mounting box 414.

Alternatively, as shown in fig. 4 in conjunction with fig. 1, the bottom of the case 1 is provided with moving wheels 11. Exemplarily, the four corners of the bottom of the box body 1 are respectively fixed with a moving wheel 11, which is convenient for moving the box body 1 so as to move the punching machine to different environments for working, thereby avoiding manual carrying of workers and reducing the labor intensity of the workers.

Optionally, as shown in fig. 4, the box body 1 is further provided with a box door 12 that can be opened and closed, so as to facilitate replacement and maintenance of parts in the box body 1, and at the same time, the box door 12 can form a sealed structure for the box body 1, so as to protect the parts in the box body 1. Illustratively, one of the sides of the cabinet 1 is hinged with two doors 12.

Illustratively, the working principle of the punch press provided by the embodiment is as follows:

as shown in fig. 1, when the punch body 100 generates a large vibration during operation, firstly, the punch body 100 transmits the vibration to the punch mounting base 101, so that the punch mounting base 101 downwardly presses the buffer post 21, so that the buffer post 21 drives the first abutting block 22 to push the second abutting block 31, so that the second abutting block 31 compresses the first elastic member 322 and shortens the telescopic end of the piston rod 321 for buffering, meanwhile, the connecting member 23 moves downward, so that the connecting rod 412 rotates and pushes the sliding block 411 to compress the second elastic member 413 to translate along the guide rod 415, that is, the vibration force can be offset, and at the moment when the vibration force is offset, the elastic force of the second elastic member 413 can restore the connecting member 23 to the initial position, thereby facilitating buffering again.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A shock absorbing device, comprising:

the damping piece (2), the upper portion of the damping piece (2) is used for being abutted against a damped piece, and the lower portion of the damping piece (2) is provided with a first inclined surface (2a) inclined relative to a vertical plane;

the buffer mechanism (3) comprises a second abutting block (31) and an elastic telescopic component (32), the elastic telescopic component (32) elastically abuts against the second abutting block (31), and a second inclined surface (311) matched with the first inclined surface (2a) is arranged on the end surface of the second abutting block (31) so as to drive the second abutting block (31) to compress the elastic telescopic component (32) when the shock absorption piece (2) moves downwards;

and the elastic telescopic seat (4) is arranged below the shock absorbing piece (2) so as to elastically support the shock absorbing piece (2) in the vertical direction.

2. The shock absorbing device as claimed in claim 1, further comprising a case (1), said shock absorbing member (2) comprising:

the number of the buffer columns (21) is at least two, the lower ends of the buffer columns (21) are located in the box body (1), and the upper ends of the buffer columns (21) penetrate through the top wall of the box body (1) and then are located outside the box body (1);

the lower ends of the buffer columns (21) are respectively provided with the first abutting blocks (22), and the end faces of the first abutting blocks (22) are respectively provided with the first inclined planes (2 a);

and the connecting piece (23) is connected between the first abutting blocks (22).

3. The shock absorbing device as claimed in claim 2, wherein the buffer column (21) has a T-shaped structure at one end located outside the box body (1).

4. The damping device according to claim 2, characterized in that the damping mechanism (3) is arranged in one-to-one correspondence with the first abutment blocks (22).

5. The shock absorbing device as set forth in claim 4, wherein said elastic telescopic assembly (32) comprises:

the piston rod (321) is fixedly arranged in the box body (1), and the telescopic end of the piston rod (321) is fixedly arranged on the second abutting block (31);

one end of the first elastic piece (322) is fixedly arranged in the box body (1), and the other end of the first elastic piece (322) is connected with the second abutting block (31).

6. The shock absorbing device according to claim 2, characterized in that said elastic telescopic base (4) comprises at least two elastic supporting units (41), at least two of said elastic supporting units (41) being arranged below said connecting element (23) symmetrically with respect to the median center of said connecting element (23).

7. The shock absorbing device according to claim 6, wherein the elastic support units (41) each comprise:

the sliding block (411) is slidably arranged on the inner bottom wall of the box body (1);

one end of the connecting rod (412) is hinged with the connecting piece (23), and the other end of the connecting rod (412) is hinged with the sliding block (411);

one end of the second elastic piece (413) is fixedly arranged in the box body (1), and the other end of the second elastic piece (413) is connected with the sliding block (411).

8. The shock absorbing device according to claim 7, wherein the elastic supporting unit (41) further comprises a guide rod (415), the guide rod (415) is fixedly arranged in the box body (1), and the sliding block (411) is slidably sleeved outside the guide rod (415).

9. The shock absorbing device according to claim 2, characterized in that the bottom of the box (1) is provided with moving wheels (11);

the box body (1) is also provided with a box door (12) which can be opened and closed.

10. A punching machine, comprising a punching machine body (100) and a shock absorbing device according to any of claims 1-9, wherein the upper part of the shock absorbing member (2) abuts against the punching machine body (100).