CN211161979U

CN211161979U - Chuck structure with rotary oil cylinder

Info

Publication number: CN211161979U
Application number: CN201921912237.1U
Authority: CN
Inventors: 顾燕彬; 冯威
Original assignee: Taicang Yuehua Precision Machinery Parts Co ltd
Current assignee: Taicang Yuehua Precision Machinery Parts Co ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-08-04
Anticipated expiration: 2029-11-07

Abstract

The utility model provides a chuck structure with rotatory hydro-cylinder, belongs to general mechanical equipment and makes technical field, including chuck main part, a set of locating pin, a set of rotatory hydro-cylinder, the anchor clamps body and spare part, the anchor clamps body sets up in the chuck main part, be equipped with a set of locating pin on the anchor clamps body, zero passage part can be worn to a set of locating pin, a set of rotatory hydro-cylinder sets up in the chuck main part to a set of rotatory hydro-cylinder can compress tightly spare part on the anchor clamps body. The utility model discloses a chuck structure with rotatory hydro-cylinder rotates and compresses tightly on spare part through a set of rotatory hydro-cylinder drive jack catch, can provide great packing force, realizes that the stability of spare part is fixed, prevents in the course of working, and spare part receives pressure, causes to rock in the spare part course of working, influences the machining dimension, has improved the size precision of spare part, has good use value.

Description

Chuck structure with rotary oil cylinder

Technical Field

The utility model belongs to the technical field of general mechanical equipment makes, specifically, relate to a chuck structure with rotatory hydro-cylinder.

Background

When machining gear, disc and short shaft workpieces by a machine tool, the chuck is an important part for transmitting force and movement in the machine tool. The pneumatic chuck has the advantages of reliable work, rapid action and convenient operation, and is widely applied to modern machine tools. The conventional pneumatic chuck is generally installed at the front end of a spindle, and a cylinder rotating in synchronization with the spindle is installed at the rear end of the spindle, and the chuck is radially moved by axial movement of a piston through a spindle hole connected by a pull rod to loosely clamp a workpiece

However, the existing pneumatic chuck has the defects of insufficient clamping force, and in the machining process, the existing pneumatic chuck shakes to cause the defects of insufficient clamping force of the chuck and influence on the machining of parts.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a chuck structure with rotatory hydro-cylinder has solved prior art now, and the air chuck clamp force is not enough, influences the problem of product processing.

The technical scheme is as follows: the utility model provides a chuck structure with rotatory hydro-cylinder, including chuck main part, a set of locating pin, a set of rotatory hydro-cylinder, the anchor clamps body and spare part, the anchor clamps body sets up in the chuck main part, be equipped with a set of locating pin on the anchor clamps body, a set of locating pin can pass zero passage part, a set of rotatory hydro-cylinder sets up in the chuck main part to a set of rotatory hydro-cylinder can compress tightly spare part on the anchor clamps body. The utility model discloses a chuck structure with rotatory hydro-cylinder rotates and compresses tightly on spare part through a set of rotatory hydro-cylinder drive jack catch, can provide great packing force, realizes that the stability of spare part is fixed, prevents in the course of working, and spare part receives pressure, causes to rock in the spare part course of working, influences the machining dimension, has improved the size precision of spare part, has good use value.

Further, in the chuck structure with the rotating cylinder, the cross sections of the chuck body and the clamp body are both circular, and the chuck body and the clamp body are concentrically arranged.

Further, in the above chuck structure with spin cylinders, the number of the set of spin cylinders is 3, and the set of spin cylinders is arranged in an annular array manner with the center of circle of the chuck body as the center. 3 groups of rotary oil cylinders are adopted, and the 3 groups of rotary oil cylinders are positioned on 3 corner parts of an equilateral triangle, so that a stable compaction structure is formed.

Further, in the chuck structure with the rotary oil cylinder, the group of positioning pins is arranged in an annular array mode by taking the center of the fixture body as the center. The positioning pin can position parts so as to drive the clamping jaw body to be clamped by the following rotary oil cylinder.

Furthermore, in the chuck structure with the rotating oil cylinder, the piston rod of the rotating oil cylinder is provided with the jaw body, and the rotating oil cylinder can drive the jaw body to press the part on the end surface of the clamp body. The arranged claw body is driven by a rotary oil cylinder and is mainly used for pressing parts.

Further, according to the chuck structure with the rotary oil cylinder, one end face of the fixture body is provided with the group of convex parts, the group of convex parts are arranged at intervals, the group of convex parts are arranged in an annular array mode by taking the circle center of the fixture body as the center, and gaps are formed among the group of convex parts.

Further, foretell chuck structure with rotatory hydro-cylinder, be equipped with the concave station on the inner wall of convex part, be equipped with the spare part backup pad on a set of convex part, a terminal surface setting of spare part backup pad is in the concave station, a set of locating pin sets up in the spare part backup pad. The spare part backup pad that sets up can design according to specific spare part size for the switching, the concave station can prevent offset with the spare part backup pad in the concentric circles earlier.

Furthermore, in the chuck structure with the rotary oil cylinder, a group of concentric grooves is arranged on the part supporting plate. The concentric circles's that sets up recess, the diameter is different, can play the effect that increases friction force between spare part and the anchor clamps body, can reduce the weight of the anchor clamps body simultaneously.

Further, in the chuck structure with the rotating cylinder, the rotating cylinder can drive the jaw body to press the component onto the component supporting plate.

Further, in the chuck structure with the rotary oil cylinder, the cross section of the part is circular, a group of first through holes are formed in the part, the group of first through holes are arranged in an annular array mode by taking the circle center of the fixture body as the center, and the positioning pins can extend into the first through holes. Through set up a set of first through-hole on spare part, can fix a position with the locating pin wantonly, location convenient and fast.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: the chuck structure with the rotary oil cylinder has the advantages of simple and reasonable structure, convenient use, low application cost and good adaptability, and realizes the operation of automatically clamping the parts by the clamping jaws through the rotary motion of the rotary oil cylinder in combination with the working principle of stretching out and retracting; carry out the chucking of spare part through a set of rotatory hydro-cylinder, because rotatory hydro-cylinder provides power through hydraulic oil, great packing force has, can only press the spare part to cover on the anchor clamps body, the combination of chuck and spare part can be realized through the anchor clamps body that sets up, according to the corresponding family body of the concrete structural design of spare part, thereby can adapt to the user demand of different spare parts, artifical intensity of labour is little in the chuck use of this structure, time saving and labor saving, high work efficiency, low cost, and the productivity effect is improved, and the device has high spreading value.

Drawings

Fig. 1 is a schematic structural diagram of a chuck structure with a rotary cylinder according to the present invention;

fig. 2 is a front view of the chuck structure with the rotary cylinder of the present invention.

In the figure: the clamping device comprises a clamping chuck main body 1, a group of positioning pins 2, a rotary oil cylinder 3, a clamping jaw body 31, a clamping body 4, a convex part 41, a concave table 411, a part supporting plate 412, a groove 413, a gap 42, a part 5 and a first through hole 51.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like 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 drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

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

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, 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 according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. 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.

Examples

The chuck structure with the rotating oil cylinder as shown in fig. 1 and 2 comprises a chuck main body 1, a set of positioning pins 2, a set of rotating oil cylinder 3, a clamp body 4 and a part 5, wherein the clamp body 4 is arranged on the chuck main body 1, the clamp body 4 is provided with the set of positioning pins 2, the set of positioning pins 2 can pass through the part 5, the set of rotating oil cylinder 3 is arranged on the chuck main body 1, and the part 5 can be pressed on the clamp body 4 by the set of rotating oil cylinder 3. The cross sections of the chuck body 1 and the clamp body 4 are both circular, and the chuck body 1 and the clamp body 4 are concentrically arranged. The number of the group of rotary oil cylinders 3 is 3, and the group of rotary oil cylinders 3 are arranged in an annular array mode by taking the circle center of the chuck main body 1 as the center. The group of positioning pins 2 are arranged in an annular array mode by taking the circle center of the clamp body 4 as the center. The piston rod of the rotary oil cylinder 3 is provided with a jaw body 31, and the rotary oil cylinder 3 can drive the jaw body 31 to press the part 5 on the end surface of the clamp body 4. One end face of the clamp body 4 is provided with a group of convex parts 41, the group of convex parts 41 are arranged at intervals, the group of convex parts 41 are arranged in an annular array mode by taking the circle center of the clamp body 4 as the center, and gaps 42 are arranged among the group of convex parts 41. The set of protrusions 41 are located on the same circumference. The inner wall of the convex part 41 is provided with a concave table 411, the group of convex parts 41 is provided with a part supporting plate 412, one end face of the part supporting plate 412 is arranged in the concave table 411, and the group of positioning pins 2 is arranged on the part supporting plate 412. The component support plate 412 is provided with a set of concentric grooves 413. The rotary cylinder 3 can drive the jaw body 31 to press the component 5 against the component support plate 412. The cross section of the part 5 is circular, a group of first through holes 51 are formed in the part 5, the group of first through holes 51 are arranged in an annular array mode by taking the circle center of the fixture body 4 as the center, and the positioning pin 2 can extend into the first through holes 51.

When the part clamping device is used, firstly, the rotary oil cylinder 3 drives the clamping jaw body 31 to extend out, the clamping jaw body 31 faces to the outer side of the circumference, the part 5 is arranged on the clamp body 4, the rotary oil cylinder 3 drives the clamping jaw body 31 to retract, and the clamping jaw body 31 faces to the center of the clamp body 4, so that the clamping jaw body 31 is pressed on the part 5, and the part 5 is pressed on the clamp body 4.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a chuck structure with rotatory hydro-cylinder which characterized in that: including chuck main part (1), a set of locating pin (2), a set of rotatory hydro-cylinder (3), the anchor clamps body (4) and spare part (5), the anchor clamps body (4) set up on chuck main part (1), be equipped with a set of locating pin (2) on the anchor clamps body (4), zero passage part (5) can be worn in a set of locating pin (2), a set of rotatory hydro-cylinder (3) set up on chuck main part (1) to a set of rotatory hydro-cylinder (3) can compress tightly spare part (5) on the anchor clamps body (4).

2. The chuck structure with the rotation cylinder according to claim 1, wherein: the cross sections of the chuck main body (1) and the clamp body (4) are both circular, and the chuck main body (1) and the clamp body (4) are arranged concentrically.

3. The chuck structure with the rotation cylinder according to claim 2, wherein: the number of the group of rotary oil cylinders (3) is 3, and the group of rotary oil cylinders (3) are arranged in an annular array mode by taking the circle center of the chuck body (1) as the center.

4. The chuck structure with the rotation cylinder according to claim 3, wherein: the group of positioning pins (2) are arranged in an annular array mode by taking the circle center of the fixture body (4) as the center.

5. The chuck structure with the rotation cylinder according to claim 4, wherein: the clamping jaw device is characterized in that a clamping jaw body (31) is arranged on a piston rod of the rotary oil cylinder (3), and the rotary oil cylinder (3) can drive the clamping jaw body (31) to press a part (5) on the end face of the clamp body (4).

6. The chuck structure with the rotation cylinder according to claim 5, wherein: a group of convex parts (41) are arranged on one end face of the clamp body (4), the convex parts (41) are arranged at intervals, the convex parts (41) are arranged in an annular array mode by taking the circle center of the clamp body (4) as the center, and gaps (42) are arranged between the convex parts (41).

7. The chuck structure with the rotation cylinder according to claim 6, wherein: be equipped with concave station (411) on the inner wall of convex part (41), be equipped with spare part backup pad (412) on a set of convex part (41), a terminal surface setting of spare part backup pad (412) is in concave station (411), a set of locating pin (2) sets up on spare part backup pad (412).

8. The chuck structure with the rotation cylinder according to claim 7, wherein: the part supporting plate (412) is provided with a group of concentric grooves (413).

9. The chuck structure with the spin cylinder as set forth in claim 8, wherein: the rotary oil cylinder (3) can drive the clamping jaw body (31) to press the part (5) on the part supporting plate (412).

10. The chuck structure with the spin cylinder as set forth in claim 8, wherein: the cross section of the part (5) is circular, a group of first through holes (51) are formed in the part (5), the group of first through holes (51) are arranged in an annular array mode by taking the circle center of the clamp body (4) as the center, and the positioning pins (2) can extend into the first through holes (51).