CN221088759U

CN221088759U - Clamp with replaceable clamping head

Info

Publication number: CN221088759U
Application number: CN202322826330.3U
Authority: CN
Inventors: 吕志航; 张峰源
Original assignee: Zhuhai Hengtai Precision Machinery Co ltd
Current assignee: Zhuhai Hengtai Precision Machinery Co ltd
Priority date: 2023-10-20
Filing date: 2023-10-20
Publication date: 2024-06-07
Anticipated expiration: 2033-10-20

Abstract

The utility model relates to a clamp with a replaceable clamping head, which comprises a supporting frame, an air cylinder, a constraint piece and a clamping head, wherein the supporting frame comprises a bottom plate and a top plate which are connected, the air cylinder is fixedly connected to the bottom plate, the constraint piece penetrates through the top plate and is fixedly connected with the top plate, the clamping head comprises a connector at the lower end and a clamping head at the upper end, the clamping head penetrates through the constraint piece, the constraint piece is matched with a rod part of the clamping head and the clamping head, the connector is detachably connected with a movable end of the air cylinder, a limiting groove matched with the limiting piece is formed in the movable end, and the limiting piece is arranged in the limiting groove to limit the clamping head to rotate. The clamp realizes the replacement of the clamping head to clamp different objects, and different use scenes are applied.

Description

Clamp with replaceable clamping head

Technical Field

The utility model relates to the technical field of clamps, in particular to a clamp with a replaceable clamp head.

Background

The fixture is used to fix the machining object in the correct position during the machining process to accept the construction or detection. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in the process may be referred to as a fixture.

The chuck is the part of the clamp that contacts the clamped object. The existing clamps are generally not replaceable, so that different clamps are required to be used when different objects are processed, and the production cost is increased. For this purpose, it is necessary to provide a chuck with a replaceable chuck.

Disclosure of utility model

The utility model aims to design a clamp with a replaceable clamp head, so that the clamp head can be replaced to clamp different objects.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a removable anchor clamps of chuck, includes support frame, cylinder, restraint and chuck, the support frame is including bottom plate and the roof that is connected, cylinder fixed connection is in on the bottom plate, the restraint runs through the roof and with roof fixed connection, the chuck includes the connector that is located the lower extreme and the gripping head that is located the upper end, the chuck passes the restraint, the restraint with the pole portion of chuck with the gripping head cooperation, the connector with the connection can be dismantled to the expansion end of cylinder, the expansion end is equipped with locating part complex spacing groove, the locating part is arranged in the restriction during spacing groove the chuck rotates.

Further, according to the clamp with the replaceable clamp head, the outer threads are arranged at the lower end of the constraint piece and are in threaded connection with the nut, and the upper end of the constraint piece is abutted to the top plate.

Further, the removable anchor clamps of foretell chuck, the expansion end is equipped with the recess that holds the connector, the connector is equipped with the lug, the restraint piece is equipped with the confession the groove that the lug passed, the lateral wall of recess be equipped with lug complex erects groove and horizontal groove, erects the groove with the horizontal groove is linked together, the locating part is arranged in limit during the limit groove lug rotates.

Further, the clamping head is replaceable, the vertical groove is a straight groove, and the horizontal groove is a straight groove.

Further, in the chuck-replaceable clamp, the vertical groove is a straight groove, and the horizontal groove is a special-shaped groove with a groove opening diameter decreasing along with the increase of the distance between the horizontal groove and the vertical groove.

Further, the clamping head is replaceable, the limiting piece comprises an inserting portion and a connecting portion, the inserting portion is matched with the limiting groove, and the outer edge of the connecting portion is overlapped with the outer edge of the movable end.

Further, in the chuck-replaceable jig described above, the connecting portion is integrally formed with the insertion portion.

Further, the chuck may be a replaceable chuck, and the connecting portion may be rotatably connected to the insertion portion.

Compared with the prior art, the utility model has the beneficial effects that: according to the clamp with the replaceable clamp head, the rotation of the clamp head can be limited through the limiting piece, and the clamp head is fixedly connected with the movable end. The clamp can conveniently and quickly replace the clamping head to clamp different objects, and different use scenes are applied.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the overall structure of another view of the present utility model;

FIG. 3 is a partial cross-sectional view of the structure of the present utility model;

FIG. 4 is a schematic view of a portion of the structure of the present utility model;

FIG. 5 is a partial cross-sectional view of another embodiment of the present utility model;

the names of the components marked in the figures are as follows:

1. A support frame; 2. a cylinder; 21. a movable end; 211. a vertical groove; 212. a transverse groove; 3. a limiting piece; 4. a chuck; 41. a bump; 5. a restraint; 51. and (3) a nut.

Detailed Description

In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.

Examples: referring to fig. 1-4, a clamp with a replaceable clamping head comprises a supporting frame (1), an air cylinder (2), a restraint piece (5) and the clamping head (4). The support frame (1) comprises a bottom plate and a top plate, and the bottom plate and the top plate are fixedly connected through four cylinders. The cylinder (2) is fixedly connected to the bottom plate, and a groove is formed in a movable end (21) of the cylinder (2), namely a part fixedly connected with the piston. The restraint (5) is located the top of expansion end (21), chuck (4) are including the connector that is located the lower extreme and the gripping head that is located the upper end and connect gripping head and the pole portion of connector, restraint (5) include with chuck (4) pole portion clearance fit's first part and with gripping head clearance fit's second part, first part and second part integrated into one piece, as shown in fig. 4, the outside diameter of gripping head is greater than the pole portion diameter, the connector diameter equals with the pole portion diameter, first part outside diameter is greater than the outside diameter of second part. The restraint (5) penetrates through the top plate, as shown in fig. 1 and 2, the lower end, namely the first part, of the restraint (5) is provided with external threads, and the first part is externally connected with a nut (51) in a threaded manner so that the upper end, namely the second part, of the restraint (5) is abutted against the top plate, and therefore the restraint (5) is fixedly connected with the top plate. The chuck (4) passes constraint piece (5), the connector gets into the recess of expansion end (21), connector bottom side is equipped with lug (41), as shown in fig. 4, first part and the second part of constraint piece (5) are equipped with the groove that supplies lug (41) to pass, namely chuck (4) can not be blocked and lead to unable passing when passing constraint piece (5), the lateral wall of recess is equipped with perpendicular groove (211) and horizontal groove (212) with lug (41) complex, horizontal groove (212) and the terminal intercommunication of perpendicular groove (211), perpendicular groove (211) are the straight groove, horizontal groove (212) are the straight groove, as shown in fig. 3. The movable end (21) is provided with a limit groove, the limit piece (3) comprises an insertion part and a connecting part, the insertion part is matched with the limit groove, the outer edge of the connecting part is overlapped with the outer edge of the movable end (21), and the connection part is prevented from being too large to affect the appearance and being too small to be convenient to hold, as shown in fig. 3. The lug (41) of the connector enters the movable end (21) along the vertical groove (211) and then rotates to one end of the horizontal groove (212) along the horizontal groove (212), when the limiting piece (3) is placed in the limiting groove, the limiting piece is inserted into the positioning groove, namely, the limiting piece is inserted into the positioning groove, the distance between the limiting piece (3) and one end of the horizontal groove (212) is just the width of the lug (41), and therefore the lug (41) and the whole clamping head (4) are limited to rotate, and the clamping head (4) is fixedly connected with the movable end (21). In other embodiments of the present utility model, it may also be: the vertical groove (211) is a straight groove, the horizontal groove (212) is a special-shaped groove with the diameter of the notch reduced along with the increase of the distance between the vertical groove (211), and as shown in fig. 5, the lug (41) can conveniently enter and exit the horizontal groove (212) from the vertical groove (211) faster without affecting the limiting function of the limiting piece (3). The connecting part and the inserting part of the limiting part (3) can be integrally formed or rotationally connected.

The working principle of the embodiment is as follows: the method for installing the chuck (4) is as follows: the chuck (4) passes through the constraint piece (5), the connector enters the groove, the protruding block (41) firstly enters one end of the transverse groove (212) along the vertical groove (211) and then the transverse groove (212), the limiting piece (3) is inserted into the limiting groove, the protruding block (41) cannot rotate, and therefore the chuck (4) is fixedly connected with the movable end (21). The process of clamping the object by the clamping head (4) is as follows: the movable end (21) of the air cylinder (2) rises to drive the chuck (4) to rise, the clamping head is located above the constraint piece (5), after the object is clamped in the clamping head, the air cylinder (2) drives the chuck (4) to descend, and the clamping head enters the constraint piece (5) to be constrained by the constraint piece (5) so as to clamp the object. The method for disassembling the chuck (4) comprises the following steps: and (3) pulling out the limiting piece, rotating the clamping head (4) and pulling out the clamping head (4) from the movable end (21), and then pulling out the clamping head (4) from the restraining piece (5), so as to install a new clamping head (4). The clamp realizes the replacement of the clamping head (4) to clamp different objects, and different use scenes are applied.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "upper," "lower," "left," "right," "front," "back," and the like are used herein for illustrative purposes only.

The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.

Claims

1. A removable anchor clamps of chuck, characterized in that: including support frame (1), cylinder (2), restraint (5) and chuck (4), support frame (1) are including bottom plate and the roof that are connected, cylinder (2) fixed connection is in on the bottom plate, restraint (5) run through the roof and with roof fixed connection, chuck (4) are including the connector that is located the lower extreme and the gripping head that is located the upper end, chuck (4) pass restraint (5), restraint (5) with the pole portion of chuck (4) with the gripping head cooperation, the connector with be connected can be dismantled to expansion end (21) of cylinder (2), expansion end (21) be equipped with spacing piece (3) complex spacing groove, spacing piece (3) are arranged in restriction chuck (4) rotate when the spacing groove.

2. The cartridge-replaceable clamp of claim 1, wherein: the lower end of the constraint piece (5) is provided with external threads and is in threaded connection with the nut (51), and the upper end of the constraint piece (5) is in butt joint with the top plate.

3. The cartridge-replaceable clamp of claim 1, wherein: the movable end (21) is provided with a groove for accommodating the connector, the connector is provided with a lug (41), the constraint piece (5) is provided with a groove for the lug (41) to pass through, the side wall of the groove is provided with a vertical groove (211) and a horizontal groove (212) which are matched with the lug (41), the vertical groove (211) is communicated with the horizontal groove (212), and the limiting piece (3) is arranged in the limiting groove to limit the lug (41) to rotate.

4. A chuck replaceable fixture according to claim 3, wherein: the vertical grooves (211) are straight grooves, and the horizontal grooves (212) are straight grooves.

5. A chuck replaceable fixture according to claim 3, wherein: the vertical grooves (211) are straight grooves, and the horizontal grooves (212) are special-shaped grooves with the diameters of the grooves decreasing along with the increase of the distance between the horizontal grooves and the vertical grooves (211).

6. The cartridge-replaceable clamp of claim 1, wherein: the limiting piece (3) comprises an inserting portion and a connecting portion, the inserting portion is matched with the limiting groove, and the outer edge of the connecting portion is overlapped with the outer edge of the movable end (21).

7. The cartridge-replaceable clamp of claim 6, wherein: the connecting portion is integrally formed with the insertion portion.

8. The cartridge-replaceable clamp of claim 6, wherein: the connecting portion is rotatably connected with the inserting portion.