CN216633522U

CN216633522U - Press claw, press claw mount pad and automatic flexible anchor clamps

Info

Publication number: CN216633522U
Application number: CN202123102511.9U
Authority: CN
Inventors: 周延; 周旭东
Original assignee: Sichuan Leilian Auto Parts Co ltd
Current assignee: Sichuan Leilian Auto Parts Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-05-31
Anticipated expiration: 2031-12-07

Abstract

The utility model relates to the technical field of clamps, in particular to a pressing claw, a pressing claw mounting seat and an automatic telescopic clamp. The utility model discloses a press claw, comprising: the connector, the one end of connector is equipped with articulated portion, and the other end of connector is equipped with the jack catch, is equipped with the guiding hole of slope on the connector. The utility model aims to solve the problem of developing a pressing claw, a pressing claw mounting seat and an automatic telescopic clamp which are convenient for taking a workpiece.

Description

Press claw, press claw mount pad and automatic flexible anchor clamps

Technical Field

The utility model relates to the technical field of clamps, in particular to a pressing claw, a pressing claw mounting seat and an automatic telescopic clamp.

Background

For some annular thin-wall parts with small sizes, such as required surface flatness or excircle turning, the traditional push-pull clamping fixture cannot well reinforce the annular thin-wall parts. Further, since the size of the part is small, even after the reinforcement, the processing is not easy, and there is a problem that the removal of the part is difficult. Meanwhile, the existing push-pull type clamping fixture is in rigid contact with the part, and the surface of the part is easily damaged in the clamping process.

Therefore, the technical personnel in the field are dedicated to develop a pressing claw, a pressing claw mounting seat and an automatic telescopic clamp which are convenient for taking the workpiece.

SUMMERY OF THE UTILITY MODEL

In view of the above defects in the prior art, the utility model discloses a pressing claw, a pressing claw mounting seat and an automatic telescopic clamp, and aims to solve the technical problem of providing a pressing claw, a pressing claw mounting seat and an automatic telescopic clamp which are convenient for taking a workpiece.

In order to achieve the above object, the present invention provides a pressing claw comprising: the connector, the one end of connector is equipped with articulated portion, and the other end of connector is equipped with the jack catch, be equipped with the guiding hole of slope on the connector.

Preferably, the hinge portion is provided with a hinge notch, the hinge portion is provided with a connecting hole penetrating through the hinge notch, and the connecting hole and the clamping jaw are respectively positioned at two sides of the connecting body.

Preferably, the clamping jaw is perpendicular to the edge of the connecting body, the guide hole inclines to one side of the connecting hole, and an included angle between the guide hole and the edge of the connecting body close to the clamping jaw is 30-60 degrees.

The utility model also provides a pressing claw mounting seat which comprises a fixed seat, wherein a movable seat is arranged in the fixed seat in a sliding manner; the top of fixing base is equipped with the holding tank, the top of sliding seat be equipped with the connection lug that the holding tank corresponds.

Preferably, the middle part of fixing base is equipped with the installation cavity that runs through, slidable mounting in the installation cavity the sliding seat.

Preferably, the quantity of holding tank is 3 at least, and holding tank evenly distributed sets up on the fixing base.

The utility model provides an automatic telescopic clamp which comprises a pressing claw and a pressing claw mounting seat, wherein the hinged part is hinged with the connecting lug, and a fixing pin in sliding fit with the guide hole is arranged in the accommodating groove. The connecting lug is provided with a hinge hole corresponding to the connecting hole, when the connecting lug is installed, the connecting lug is inserted into the hinge notch, and then the fixing pin is inserted into the connecting hole and the hinge hole, so that the hinge part and the connecting lug can be connected in a relative rotating manner. Like this, when needs compress tightly the part, the sliding seat drives and presses the claw downstream, because the spacing of fixed pin, presses the claw simultaneously outwards to rotate for the jack catch stretches out, more does benefit to and pushes down the part. When the part needs to be taken down in the completion of processing, the movable seat drives the pressing claw to move upwards, and the pressing claw simultaneously rotates inwards due to the limit of the fixed pin, so that the clamping claw retracts, the clamping claw moves away from the part, and the part is more convenient to take.

Preferably, the bottom of fixing base is equipped with the fixed station, the top of fixed station is equipped with the supporting seat, the supporting seat cover is established outside the fixing base. The fixed station is used for mounting fixture, and the upper surface of supporting seat is used for placing the part. When the pressing claw is pressed downwards, the claw is pressed against the workpiece.

Preferably, the bottom of sliding seat floats and is connected with the cylinder, the middle part of fixed station is equipped with and holds the first through-hole of cylinder. The cylinder provides power for realizing the automatic extension and retraction of the pressing claw.

Preferably, a second through hole is formed in the bottom of the movable seat, a bolt is installed in the through hole, and the outer diameter of a nut of the bolt is larger than the diameter of the second through hole; a spring is sleeved on the bolt, and two ends of the spring are respectively abutted against the nut and the bottom of the movable seat; the bottom of the bolt is fixedly connected with a connecting rod, and the connecting rod is connected with a piston rod of the air cylinder. Through the design of spring for the clamping-force of pressing the claw is floated adjustable, avoids crushing thin-walled part.

The utility model has the beneficial effects that:

through set up the guiding hole of slope on pressing the claw for pressing the claw when lifting up or putting down, can utilize the guiding hole to control simultaneously pressing the stretching out or withdrawal of claw, make the flexible that presses the claw can be automatic, be convenient for place or take the work piece. Meanwhile, the automatic telescopic clamp provided by the utility model can enable the clamping jaw to extend outwards to press a part when the pressing jaw moves downwards, and enable the clamping jaw to retract inwards to avoid the part when the pressing jaw moves upwards.

Drawings

FIG. 1 is a schematic structural view of a press jaw of the present invention;

FIG. 2 is a schematic structural view of a clamping jaw mounting base of the present invention;

FIG. 3 is a schematic structural view of the fixing base of the present invention;

FIG. 4 is a schematic structural view of the movable seat of the present invention;

FIG. 5 is a schematic view of the assembly of the clamping jaw and clamping jaw mounting block of the present invention;

FIG. 6 is an exploded view of the clamping jaw and clamping jaw mounting block of the present invention;

FIG. 7 is a schematic structural view of the automatic telescopic clamp of the present invention;

FIG. 8 is a schematic cross-sectional view of the automatic retracting clamp of the present invention;

fig. 9 is a partially enlarged schematic view of a portion a of fig. 8.

In the above drawings: the pressing claw mounting structure comprises a pressing claw 1, a connecting body 11, a hinge part 12, a hinge notch 121, a connecting hole 122, a claw 13, a guide hole 14, a pressing claw mounting seat 2, a fixed seat 21, a receiving groove 211, a mounting cavity 212, a fixing pin 213, a movable seat 22, a connecting lug 221, a second through hole 222, a fixed platform 31, a first through hole 311, a workbench 32, a supporting seat 4, a cylinder 5, a piston rod 51, a bolt 6, a spring 7, a connecting rod 8, a connecting head 81 and a part 9.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, wherein the terms "upper", "lower", "left", "right", "inner", "outer", and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular manner, and thus should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1, the present invention provides a pressing claw comprising: the connecting body 11, one end of connecting body 11 is equipped with articulated portion 12, and the other end of connecting body 11 is equipped with jack catch 13, is equipped with inclined guiding hole 14 on the connecting body 11. The claw 13 is perpendicular to the edge of the connecting body 11, the guide hole 14 inclines to one side of the connecting hole 122, and an included angle theta between the guide hole 14 and the edge of the connecting body 11 close to the claw 13 is 30-60 degrees. In this embodiment, the included angle θ is 45 °, so that the up-and-down movement distance of the pressing claw 1 is equal to the expansion and contraction distance. Further, the hinge portion 12 is provided with a hinge notch 121, and the hinge portion 12 is provided with a connecting hole 122 penetrating through the hinge notch 121, and the connecting hole 122 and the claw 13 are respectively located at two sides of the connecting body 11.

In this embodiment, through set up the guiding hole 14 of slope on pressing claw 1 for pressing claw 1 when lifting up or putting down, can utilize guiding hole 14 to press the stretching out or the withdrawal of claw 1 to control simultaneously, make pressing claw 1 can be automatic flexible, be convenient for place or take the work piece.

As shown in fig. 2 to 4, the present invention further provides a pressing claw mounting base, which includes a fixing base 21, wherein a movable base 22 is slidably disposed inside the fixing base 21; the top of fixing base 21 is equipped with holding tank 211, and the quantity of holding tank 211 is 3 at least, and holding tank 211 evenly distributed sets up on fixing base 21. The top of the movable seat 22 is provided with a connecting lug 221 corresponding to the receiving groove 211. In addition, the middle part of the fixed seat 21 is provided with a through installation cavity 212, and the movable seat 22 is slidably installed in the installation cavity 212.

As shown in fig. 5 and 6, the present invention further provides an automatic telescopic clamp, which includes the above pressing claw 1 and the pressing claw mounting seat 2, the hinge portion 12 is hinged to the connecting lug 221, and the receiving groove 211 is provided with a fixing pin 213 slidably engaged with the guide hole 14. The connecting lug 221 is provided with a hinge hole corresponding to the connecting hole 122, when mounting, the connecting lug 221 is inserted into the hinge notch 121, and then the fixing pin 213 is inserted into the connecting hole 122 and the hinge hole, so that the hinge portion 12 and the connecting lug 221 are connected in a relatively rotatable manner. Therefore, when the part 9 needs to be pressed, the movable seat 22 drives the pressing claw 1 to move downwards, and due to the limit of the fixing pin 213, the pressing claw 1 rotates outwards at the same time, so that the clamping jaw 13 extends out, and the part 9 is pressed more favorably. When the part 9 needs to be removed after the machining is finished, the movable seat 22 drives the pressing claw 1 to move upwards, and due to the limiting of the fixing pin 213, the pressing claw 1 simultaneously rotates inwards, so that the claw 13 retracts, the claw 13 moves away from the part 9, and the part taking is more convenient.

As shown in fig. 7 to 8, a fixing base 31 is disposed at the bottom of the fixing base 21, a supporting base 4 is disposed at the top of the fixing base 31, and the supporting base 4 is sleeved outside the fixing base 21. Fixed station 31 is used for mounting fixture, and the upper surface of supporting seat 4 is used for placing part 9, and the bottom of sliding seat 22 floats and is connected with cylinder 5, and the middle part of fixed station 31 is equipped with the first through-hole 311 that holds cylinder 5. The air cylinder 5 provides power for realizing automatic extension and retraction of the pressing claw 1. Meanwhile, the bottom of the fixing table 31 provides a working table 32, a support for the entire jig, and a space for installation of the air cylinder 5.

As shown in fig. 9, a second through hole 222 is formed in the bottom of the movable seat 22, a bolt 6 is installed in the through hole, and the outer diameter of a nut of the bolt 6 is larger than the diameter of the second through hole 222; a spring 7 is sleeved on the bolt 6, and two ends of the spring 7 are respectively abutted against the nut and the bottom of the movable seat 22; the bottom of the bolt 6 is fixedly connected with a connecting rod 8, and the connecting rod 8 is connected with a piston rod 51 of the air cylinder 5. In order to improve the reliability, a connecting sleeve is arranged between the connecting rod 8 and the piston rod 51, and the outer wall of the connecting sleeve is in sliding fit with a mounting through hole formed in the workbench 32. Through the design of the spring 7, the clamping force of the pressing claw 1 is enabled to be adjustable in a floating mode, and the thin-walled part 9 is prevented from being crushed.

The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. A clamping jaw, comprising: the connecting body (11), the one end of connecting body (11) is equipped with articulated portion (12), and the other end of connecting body (11) is equipped with jack catch (13), be equipped with inclined guiding hole (14) on connecting body (11).

2. The clamping jaw according to claim 1, characterized in that: the hinge part (12) is provided with a hinge notch (121), and the hinge part (12) is provided with a connecting hole (122) penetrating through the hinge notch (121).

3. The clamping jaw according to claim 2, characterized in that: the clamping jaw (13) is perpendicular to the side portion of the connecting body (11), the guide hole (14) inclines towards one side of the connecting hole (122), and an included angle (theta) between the guide hole (14) and the side portion, close to the clamping jaw (13), of the connecting body (11) is 30-60 degrees.

4. The utility model provides a press claw mount pad which characterized in that: the device comprises a fixed seat (21), wherein a movable seat (22) is arranged in the fixed seat (21) in a sliding manner; the top of fixing base (21) is equipped with holding tank (211), the top of sliding seat (22) be equipped with connecting lug (221) that holding tank (211) correspond.

5. The clamping jaw mount of claim 4 wherein: the middle part of fixing base (21) is equipped with installation cavity (212) that runs through, slidable mounting in installation cavity (212) sliding seat (22).

6. The clamping jaw mount of claim 4 wherein: the number of the accommodating grooves (211) is at least 3.

7. An automatic telescopic clamp comprising a clamping jaw (1) according to any one of claims 1 to 3 and a clamping jaw mounting (2) according to any one of claims 4 to 6, characterized in that: the hinge part (12) is hinged with the connecting lug (221), and a fixing pin (213) in sliding fit with the guide hole (14) is arranged in the accommodating groove (211).

8. The automatic telescopic clamp as claimed in claim 7, wherein: the bottom of fixing base (21) is equipped with fixed station (31), the top of fixed station (31) is equipped with supporting seat (4), supporting seat (4) cover is established outside fixing base (21).

9. The automatic telescopic clamp as claimed in claim 8, wherein: the bottom of sliding seat (22) floats and is connected with cylinder (5), the middle part of fixed station (31) is equipped with holds first through-hole (311) of cylinder (5).

10. The automatic telescopic clamp as claimed in claim 9, wherein: a second through hole (222) is formed in the bottom of the movable seat (22), a bolt (6) is installed in the through hole, and the outer diameter of a nut of the bolt (6) is larger than the diameter of the second through hole (222); a spring (7) is sleeved on the bolt (6), and two ends of the spring (7) are respectively abutted against the nut and the bottom of the movable seat (22); the bottom of bolt (6) fixedly connected with connecting rod (8), connecting rod (8) with piston rod (51) of cylinder (5) are connected.