CN213235921U

CN213235921U - Air hammer damping device

Info

Publication number: CN213235921U
Application number: CN202021969958.9U
Authority: CN
Inventors: 张超; 张元宝
Original assignee: Zhangqiu Chuxin Forging Factory
Current assignee: Zhangqiu Chuxin Forging Factory
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-05-18
Anticipated expiration: 2030-09-10

Abstract

The utility model discloses an air hammer damping device, including frame, second bottom plate and first bottom plate, frame top front end is fixed with the cylinder, cylinder bottom movable mounting has the pneumatic rod, the pneumatic rod bottom mounting has last hammering block iron, the frame bottom mounting is in first bottom plate upper surface rear end, first bottom plate upper surface front end is fixed with the frame, the frame top is fixed with down hammering block iron, both ends are fixed with the footing through the bolt fastening respectively around the first bottom plate both sides, the four corners department of first bottom plate is seted up flutedly, four respectively be fixed with damping spring in the recess, the inner chamber has been seted up to first bottom plate lower surface, intracavity including the second bottom plate installation, the second bottom plate upper surface is fixed with six piston posts for the rectangular array, piston post top is fixed with the inner chamber top. The utility model has the advantages of add and establish piston post auxiliary shock attenuation, improve the shock attenuation effect.

Description

Air hammer damping device

Technical Field

The utility model relates to an air hammer technical field specifically is an air hammer damping device.

Background

Air hammer, a type of free forging machine. The compression cylinder compresses air, and the air is sent into the working cylinder through the distribution valve to push the piston and the hammer head to move up and down to play a hammering role. The operation is flexible, and the method is widely applied to the production of medium and small-sized forgings.

The air hammer mainly comprises a frame, a transmission mechanism, a compression cylinder, a working cylinder, a compression piston, a falling part, an air distribution mechanism, an anvil block and the like. The bottom of the existing air hammer is directly fixed on the ground, the damping device is single, and the damping effect is not obvious.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air hammer damping device possesses and adds the supplementary shock attenuation of establishing the piston post, improves the advantage of shock attenuation effect, has solved air hammer bottom snap-on subaerial, and damping device is single, the obscure problem of shock attenuation effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an air hammer damping device, includes frame, second bottom plate and first bottom plate, frame top front end is fixed with the cylinder, cylinder bottom movable mounting has the pneumatic rod, the pneumatic rod bottom mounting has last hammering block iron, the frame bottom mounting is in first bottom plate upper surface rear end, first bottom plate upper surface front end is fixed with the frame, the frame top is fixed with down hammering block iron, both ends are fixed with the footing through the bolt respectively around the first bottom plate both sides, the four corners department of first bottom plate is seted up flutedly respectively, four be fixed with damping spring in the recess respectively, the inner chamber has been seted up to first bottom plate lower surface, the intracavity including the second bottom plate installation, second bottom plate upper surface is the rectangle array and is fixed with six piston posts, the piston post top is fixed with the inner chamber top.

Preferably, the pneumatic rod is inserted into the cylinder and is connected with a pneumatic plug inside the cylinder.

Preferably, the lower anvil is aligned with the upper anvil.

Preferably, the top end of the groove is not communicated with the upper surface of the first bottom plate, and the bottom end of the groove is communicated with the lower surface of the first bottom plate.

Preferably, the bottom ends of the damping springs and the bottom ends of the feet are aligned with the lower surface of the second bottom plate.

Preferably, the second bottom plate is matched with the inner cavity.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model discloses a set up second bottom plate and piston post, reached and added the supplementary shock attenuation of establishing the piston post, improved the effect of shock-absorbing capacity, the utility model discloses be provided with second bottom plate and piston post, inner chamber has been seted up to first bottom plate lower surface, intracavity including the second bottom plate installation. Six piston columns are fixed on the upper surface of the second bottom plate in a rectangular array, and the top ends of the piston columns are fixed with the top of the inner cavity. The front end and the rear end of the two sides of the first bottom plate are respectively fixed with a bottom foot, the bottom feet are fixed with the first bottom plate through bolts, and the bottom ends of the bottom feet are flush with the bottom end of the second bottom plate. The four corners of the first bottom plate are respectively provided with a groove, a damping spring is fixed in each groove, and the bottom end of each damping spring is flush with the bottom end of the second bottom plate. When the air hammer works, the vibration transmitted by the rack acts on the first bottom plate, the first bottom plate transmits the vibration to the damping spring, and the damping spring converts the vibration force into elastic potential energy so as to achieve the effect of damping. Meanwhile, vibration transmitted by the first base plate is compressed by the piston columns, the second base plate is supported, and the piston columns are used for assisting in damping, so that the damping effect is improved.

Drawings

Fig. 1 is a right-side view schematic structural diagram of the present invention;

FIG. 2 is a right side sectional view of the first bottom plate of the present invention;

fig. 3 is a schematic view of a front view structure of the first bottom plate of the present invention.

In the figure: 1. a frame; 2. a damping spring; 3. footing; 4. a second base plate; 5. a first base plate; 6. a groove; 7. a machine base; 8. a lower anvil iron; 9. an upper anvil iron; 10. a pneumatic rod; 11. a cylinder; 12. an inner cavity; 13. a piston post.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to fig. 3, the present invention provides an embodiment: the utility model provides an air hammer damping device, includes frame 1, second bottom plate 4 and

first bottom plate

5, and 1 top front end of frame is fixed with

cylinder

11, and 11 bottom movable mounting of cylinder have pneumatic rod 10, and pneumatic rod 10 inserts in cylinder 11, and pneumatic rod 10 is connected with the inside pneumatic stopper of cylinder 11. The air cylinder 11 is connected to an air pump, as is well known to those skilled in the art, the provision of power to the air pump is common and is not described herein, and those skilled in the art can make any choice according to their needs or convenience. An upper anvil 9 is fixed at the bottom end of the pneumatic rod 10, the bottom end of the frame 1 is fixed at the rear end of the upper surface of the first bottom plate 5, the engine base 7 is fixed at the front end of the upper surface of the first bottom plate 5, a lower anvil 8 is fixed at the top end of the engine base 7, and the lower anvil 8 is aligned with the upper anvil 9. A workpiece is placed on the lower anvil 8, the air cylinder 11 drives the pneumatic rod 10 to move downwards, so that the upper anvil 9 impacts on the workpiece, and the pneumatic rod 10 drives the upper anvil 9 to reciprocate up and down to hammer the workpiece.

The front end and the rear end of the two sides of the first bottom plate 5 are respectively fixed with a footing 3 through bolts, and the footing 3 is fixed on the ground. The four corners of first bottom plate 5 are seted up recess 6 respectively, and recess 6 top is not led to with first bottom plate 5 upper surface, and the switch-on of 6 bottoms of recess and 5 lower surfaces of first bottom plate is fixed with damping spring 2 in four recesses 6 respectively. When the air hammer works, vibration transmitted by the rack 1 acts on the first bottom plate 5, the first bottom plate 5 transmits the vibration to the damping spring 2, and the damping spring 2 converts the vibration force into elastic potential energy, so that the damping effect is achieved. Inner chamber 12 has been seted up to 5 lower surfaces of first bottom plates, and second bottom plate 4 is installed in inner chamber 12, and second bottom plate 4 and inner chamber 12 phase-match, 2 bottom ends of damping spring, 3 bottom ends of footing align with 4 lower surfaces of second bottom plate. Six piston columns 13 are fixed on the upper surface of the second bottom plate 4 in a rectangular array, and the top ends of the piston columns 13 are fixed with the top end of the inner cavity 12. When damping spring 2 absorbing vibration, the vibration of first bottom plate 5 transmission is compressed by piston post 13, and second bottom plate 4 supports, through the supplementary shock attenuation of piston post 13, improves the shock attenuation effect.

The working principle is as follows: when the air hammer works, the vibration transmitted by the frame 1 acts on the first bottom plate 5, the first bottom plate 5 transmits the vibration to the damping spring 2, and the damping spring 2 converts the vibration force into elastic potential energy; the damping spring 2 damps the vibration transmitted by the first base plate 5, and the second base plate 4 is supported by the piston post 13, and the damping is assisted by the piston post 13.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an air hammer damping device, includes frame (1), second bottom plate (4) and first bottom plate (5), its characterized in that: the improved piston rod type vibration damping device is characterized in that an air cylinder (11) is fixed at the front end of the top of the rack (1), a pneumatic rod (10) is movably mounted at the bottom end of the air cylinder (11), an upper anvil (9) is fixed at the bottom end of the pneumatic rod (10), bottom ends of the rack (1) are fixed at the rear end of the upper surface of the first bottom plate (5), a machine base (7) is fixed at the front end of the upper surface of the first bottom plate (5), a lower anvil (8) is fixed at the top end of the machine base (7), bottom feet (3) are fixed at the front end and the rear end of the two sides of the first bottom plate (5) respectively through bolts, grooves (6) are formed in the four corners of the first bottom plate (5), damping springs (2) are fixed in the four grooves (6) respectively, an inner cavity (12) is formed in the lower surface of the first bottom plate (5), a second bottom plate (4) is mounted in the, the top end of the piston column (13) is fixed with the top end of the inner cavity (12).

2. A pneumatic hammer shock absorbing device according to claim 1, wherein: the pneumatic rod (10) is inserted into the cylinder (11), and the pneumatic rod (10) is connected with a pneumatic plug inside the cylinder (11).

3. A pneumatic hammer shock absorbing device according to claim 1, wherein: the lower anvil (8) is aligned with the upper anvil (9).

4. A pneumatic hammer shock absorbing device according to claim 1, wherein: the top end of the groove (6) is not communicated with the upper surface of the first bottom plate (5), and the bottom end of the groove (6) is communicated with the lower surface of the first bottom plate (5).

5. A pneumatic hammer shock absorbing device according to claim 1, wherein: the bottom ends of the damping springs (2) and the bottom ends of the bottom feet (3) are aligned with the lower surface of the second bottom plate (4).

6. A pneumatic hammer shock absorbing device according to claim 1, wherein: the second bottom plate (4) is matched with the inner cavity (12).