CN213134918U

CN213134918U - Clamping mechanism for electro-hydraulic hammer

Info

Publication number: CN213134918U
Application number: CN202021738267.8U
Authority: CN
Inventors: 王春生
Original assignee: Anshan Sanbao Metallurgical Machinery Co ltd
Current assignee: Anshan Sanbao Metallurgical Machinery Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-05-07
Anticipated expiration: 2030-08-19

Abstract

The utility model discloses a clamping mechanism for on electro-hydraulic hammer, comprising a base plate, bottom plate upper end central point puts the embedding and places the seat, the equal welded connection board in bottom plate both ends both sides bottom plate upper end left side is fixed with first safety box in connecting plate left end face, first safety box internally mounted has first connecting cylinder to at the inside first cylinder that is equipped with the slidingtype of first connecting cylinder. The utility model discloses in be equipped with the centre gripping arm that can adjust in clamping head inboard, the centre gripping arm can come to contract and expand fixedly to the shape and the volume of work piece according to the elasticity of spring, be applicable to the work piece of different shapes, and the separation piece that is equipped with in centre gripping arm inboard can be adjusted and carry out the separation to the work piece, be convenient for fix the work piece, the clamping head passes through the piston rod and connects on the cylinder, and the cylinder carries out expansion joint through the spring in connecting cylinder inside, the shock attenuation effect has not only been improved, but also be applicable to the volume change that is used for the work piece.

Description

Clamping mechanism for electro-hydraulic hammer

Technical Field

The utility model belongs to the technical field of the electro-hydraulic hammer part, especially, relate to a clamping machine constructs for on electro-hydraulic hammer.

Background

The electro-hydraulic hammer is more and more widely applied due to the characteristics of energy conservation, environmental protection, convenient operation, labor conservation and flexible and reliable action, a clamping mechanism of the electro-hydraulic hammer is used for clamping a workpiece, the automatic forging and pressing operation of the workpiece in the electro-hydraulic hammer is realized, and a clamping head at the front end of the clamping mechanism of the electro-hydraulic hammer is used for clamping the workpiece.

However, the existing clamping mechanism is simple in structure, needs to be adjusted repeatedly, cannot be changed according to the shape of stamping, does not have a damping function, and reduces the service life of the clamping function.

SUMMERY OF THE UTILITY MODEL

The utility model provides a clamping machine constructs for on electro-hydraulic hammer aims at solving the problem in the background art.

The utility model discloses a realize like this, a clamping machine constructs for on electro-hydraulic hammer, include:

the central position of the upper end of the bottom plate is embedded into the placing seat, and connecting plates are welded on two sides of two ends of the bottom plate;

a first safety box is fixed on the left side of the upper end of the bottom plate on the left end face of the connecting plate, a first connecting cylinder is mounted inside the first safety box, a sliding first air cylinder is arranged inside the first connecting cylinder, a spring is arranged between the left end of the first air cylinder and the inner wall of the left end of the first connecting cylinder, the first air cylinder is connected with a first clamping head through a first piston rod, and the first piston rod penetrates through the connecting plate and is in sliding connection;

a second safety box is arranged on the left side of the upper end of the bottom plate and on the right end face of the connecting plate, a second connecting cylinder is arranged in the second safety box, a second air cylinder is arranged in the second connecting cylinder and is connected with the second connecting cylinder through a spring, the second air cylinder is connected with a second clamping head through a second piston rod, and the second piston rod penetrates through the connecting plate and is in sliding connection;

the inner upper ends of the first clamping head and the inner side of the second clamping head are respectively connected with first clamping arms through a first strong spring and a second strong spring, the inner ends of the first clamping arms are respectively installed on the first clamping head and the second clamping head through a rotating shaft in a rotating mode, the inner lower ends of the first clamping head and the inner side of the second clamping head are respectively connected with the second clamping arms through the first strong spring and the second strong spring, and the inner leads of the second clamping arms are respectively installed on the first clamping head and the second clamping head through the rotating shaft in a rotating mode.

In order to facilitate the clamping head to fix the workpiece, as the utility model relates to an it is preferred, the base plate up end parallel and level is in placing the seat up end.

In order to fix the work piece of different shapes, conduct the utility model relates to an it is preferred, first dress chuck all is the trapezium structure with second dress chuck, and first centre gripping arm all is the arc structure with second centre gripping arm.

For the convenience of separation piece is adjusted to carry out the separation to the work piece, improve fixed security, conduct the utility model relates to an it is preferred, be equipped with the interval between first centre gripping arm and the second centre gripping arm.

Carry out position control to the separation piece in order to can be according to the volume of work piece, conduct the utility model relates to an it is preferred, first piston rod all is hollow structure with second piston rod inside to first piston rod and second piston rod are inner to be through threaded mounting connecting bolt, and be equipped with the separation piece in connecting bolt's the inner.

In order to prevent that dress chuck and bottom plate from producing the scratch and influencing position control, conduct the utility model relates to an it is preferred, first dress chuck, second clamping head bottom face all with be equipped with the interval between the bottom plate up end.

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

1. the utility model discloses in be equipped with the centre gripping arm that can adjust in clamping head inboard, the centre gripping arm can come to contract and expand fixedly to the shape and the volume of work piece according to the elasticity of spring, is applicable to the work piece of different shapes, and the separation piece that is equipped with in centre gripping arm inboard can be adjusted and carries out the separation to the work piece moreover, is convenient for fix the work piece.

2. The utility model discloses the center of dress chuck passes through the piston rod and connects on the cylinder to the cylinder passes through the spring and carries out the expansion joint in connecting cylinder inside, has not only improved the shock attenuation effect, but also is applicable to the volume change that is used for the work piece.

Drawings

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

fig. 2 is a schematic view of the chuck structure of the present invention.

In the figure: 1. a base plate; 2. a placing seat; 3. a connecting plate; 4. a first safety box; 5. a second safety box; 6. a first connecting cylinder; 7. a first cylinder; 8. a spring; 9. a first piston rod; 10. a first collet; 11. a second connecting cylinder; 12. a second cylinder; 13. a second piston rod; 14. a second clamping head; 15. a first clamp arm; 16. a second clamp arm; 17. a first strong spring; 18. a second strong spring; 19. a barrier block; 20. and connecting the bolts.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, in the description of the present invention, furthermore, "first", "second", "third", and "fourth" 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 should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected to the inside of two elements. To those of ordinary skill in the art, it will be understood that the specific meaning of the above terms in the present invention "a plurality" means two or more unless otherwise specifically limited.

Referring to fig. 1-2, the present invention provides a technical solution: the method comprises the following steps:

the device comprises a bottom plate 1, a placing seat 2 is embedded in the center of the upper end of the bottom plate 1, and connecting plates 3 are welded on two sides of two ends of the bottom plate 1;

a first safety box 4 is fixed on the left end face of the connecting plate 3 on the left side of the upper end of the bottom plate 1, a first connecting cylinder 6 is installed inside the first safety box 4, a sliding first cylinder 7 is arranged inside the first connecting cylinder 6, a spring 8 is arranged between the left end of the first cylinder 7 and the inner wall of the left end of the first connecting cylinder 6, the first cylinder 7 is connected with a first clamping head 10 through a first piston rod 9, and the first piston rod 9 penetrates through the connecting plate 3 and is in sliding connection;

a second safety box 5 is arranged on the left side of the upper end of the bottom plate 1 and on the right end face of the connecting plate 3, a second connecting cylinder 11 is arranged inside the second safety box 5, a second air cylinder 12 is arranged inside the second connecting cylinder 11, the second air cylinder 12 is connected with the second connecting cylinder 11 through a spring 8, the second air cylinder 12 is connected with a second clamping head 14 through a second piston rod 13, and the second piston rod 13 penetrates through the connecting plate 3 and is in sliding connection;

the inner upper ends of the first clamping head 10 and the second clamping head 14 are respectively connected with a first clamping arm 15 through a first strong spring 17 and a second strong spring 18, the inner ends of the two first clamping arms 15 are respectively installed on the first clamping head 10 and the second clamping head 14 through rotating shafts in a rotating mode, the inner lower ends of the first clamping head 10 and the second clamping head 14 are respectively connected with a second clamping arm 16 through the first strong spring 17 and the second strong spring 18, and the inner leads of the two second clamping arms 16 are respectively installed on the first clamping head 10 and the second clamping head 14 through rotating shafts in a rotating mode.

Specifically, the upper end face of the bottom plate 1 is flush with the upper end face of the placing seat 2, and the workpiece is fixed by the clamping head in the embodiment.

Specifically, the first clamping head 10 and the second clamping head 14 are both in a trapezoid structure, and the first clamping arm 15 and the second clamping arm 16 are both in an arc structure, so that workpieces of different shapes can be fixed in the present embodiment.

Specifically, be equipped with the interval between first centre gripping arm 15 and the second centre gripping arm 16, for the convenience of separation piece is adjusted in this embodiment to the work piece carries out the separation, improves fixed security.

Specifically, the first piston rod 9 and the second piston rod 13 are both hollow, the inner ends of the first piston rod 9 and the second piston rod 13 are provided with a connecting bolt 20 through threads, and the inner end of the connecting bolt 20 is provided with a blocking block 19, in order to adjust the position of the blocking block according to the volume of a workpiece in the embodiment.

Specifically, the bottom end surfaces of the first clamping head 10 and the second clamping head 14 are spaced from the upper end surface of the bottom plate 1, and the position adjustment is affected in order to prevent the clamping heads from being scratched from the bottom plate in the embodiment.

The utility model discloses an use flow: during the use, place the work piece on placing seat 2, come to first dress chuck 10, second dress chuck 14 to control through controlling first cylinder 7 and second cylinder 12, first dress chuck 10 is equipped with first centre gripping arm 15 with second dress chuck 14 inboard, second centre gripping arm 16 is fixed the work piece through first powerful spring 17, second powerful spring 18, when punching press the work piece, the volume of work piece can take place just can, and first centre gripping arm 15 and second centre gripping arm 16 can change according to the volume change of work piece, first cylinder 7 and second cylinder 12 are respectively at first connecting cylinder 6 and the inside twitching of second connecting cylinder 11 simultaneously, the vibration effect has been reduced.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a clamping machine constructs for on electro-hydraulic hammer which characterized in that includes:

the device comprises a bottom plate (1), wherein a placing seat (2) is embedded in the center of the upper end of the bottom plate (1), and connecting plates (3) are welded on two sides of two ends of the bottom plate (1);

a first safety box (4) is fixed on the left end face of the connecting plate (3) on the left side of the upper end of the bottom plate (1), a first connecting cylinder (6) is installed inside the first safety box (4), a sliding first air cylinder (7) is arranged inside the first connecting cylinder (6), a spring (8) is arranged between the left end of the first air cylinder (7) and the inner wall of the left end of the first connecting cylinder (6), the first air cylinder (7) is connected with a first clamping head (10) through a first piston rod (9), and the first piston rod (9) penetrates through the connecting plate (3) and is in sliding connection;

a second safety box (5) is arranged on the left side of the upper end of the bottom plate (1) on the right end face of the connecting plate (3), a second connecting cylinder (11) is arranged inside the second safety box (5), a second air cylinder (12) is arranged inside the second connecting cylinder (11), the second air cylinder (12) is connected with the second connecting cylinder (11) through a spring (8), the second air cylinder (12) is connected with a second clamping head (14) through a second piston rod (13), and the second piston rod (13) penetrates through the connecting plate (3) and is in sliding connection;

the inner upper ends of the first clamping head (10) and the second clamping head (14) are respectively connected with a first clamping arm (15) through a first strong spring (17) and a second strong spring (18), the inner ends of the two first clamping arms (15) are respectively installed on the first clamping head (10) and the second clamping head (14) through rotating shafts in a rotating mode, the inner lower ends of the first clamping head (10) and the second clamping head (14) are respectively connected with a second clamping arm (16) through the first strong spring (17) and the second strong spring (18), and the inner leads of the two second clamping arms (16) are respectively installed on the first clamping head (10) and the second clamping head (14) through rotating shafts in a rotating mode.

2. The clamping mechanism for the electro-hydraulic hammer as claimed in claim 1, wherein: the upper end surface of the bottom plate (1) is flush with the upper end surface of the placing seat (2).

3. The clamping mechanism for the electro-hydraulic hammer as claimed in claim 1, wherein: the first clamping head (10) and the second clamping head (14) are both in a trapezoidal structure, and the first clamping arm (15) and the second clamping arm (16) are both in an arc structure.

4. The clamping mechanism for the electro-hydraulic hammer as claimed in claim 1, wherein: and a space is arranged between the first clamping arm (15) and the second clamping arm (16).

5. The clamping mechanism for the electro-hydraulic hammer as claimed in claim 1, wherein: the inner parts of the first piston rod (9) and the second piston rod (13) are both hollow structures, the inner ends of the first piston rod (9) and the second piston rod (13) are provided with connecting bolts (20) through threads, and the inner ends of the connecting bolts (20) are provided with blocking blocks (19).

6. The clamping mechanism for the electro-hydraulic hammer as claimed in claim 1, wherein: and intervals are arranged between the bottom end surfaces of the first clamping head (10) and the second clamping head (14) and the upper end surface of the bottom plate (1).