CN220032313U - Clamping mechanism - Google Patents

Abstract

The utility model provides a clamping mechanism which comprises a base, wherein clamping assemblies are symmetrically connected to the base in a left-right rotation mode, a swinging assembly driven by an air cylinder is connected between the two clamping assemblies on the base, the swinging assembly comprises a push rod, two ends of the push rod are hinged with connecting rods, the other ends of the connecting rods are hinged to the clamping assemblies, an air cylinder is arranged in the middle of the lower portion of the base, the telescopic end of the air cylinder extends upwards through the base to form an extending end, and the extending end is fixed in the middle of the push rod. When the mechanism clamps, a connecting rod dead point is formed, the clamping force is increased, the mechanism is reversely self-locked, the structure is compact, the pivot of the joint bearing seat is utilized, the structure is simplified, the service life of the bearing is prolonged by using the bearing, the clamping head and the swing rod are fixed by adopting screws, and different clamping heads can be changed according to different clamping objects and application occasions.

Description

Clamping mechanism

Technical Field

The utility model relates to a clamping mechanism.

Background

The device that the inside of current packagine machine can use more finger centre gripping, the conventional finger cylinder that adopts, but current finger cylinder or finger furniture, when centre gripping sack, the pine takes off easily, and the clamping strength is insufficient, leads to the problem that packagine machine operation is wrong to appear easily.

Disclosure of Invention

In view of the above, the present utility model aims to provide a clamping mechanism, which uses the dead point of the link mechanism to realize the effect of high-force clamping.

The utility model is realized by adopting the following scheme: the utility model provides a fixture, includes the base, bilateral symmetry rotates on the base and is connected with the clamping component, be connected with the swing subassembly by cylinder driven on the base between two clamping components, the swing subassembly includes the push rod, the both ends of push rod are articulated to have the connecting rod, and the other end of connecting rod articulates on the clamping component.

Further, the middle part is installed with the cylinder under the base, the flexible end of cylinder runs through the base and upwards stretches out, forms the end that stretches out, stretches out the end and is fixed in the push rod middle part.

Further, the clamping assembly comprises a swing rod, one end of the swing rod is fixedly provided with a chuck, the other end of the swing rod is hinged to a connecting rod on the same side, and the middle part of the swing rod is rotatably connected to the side part of the base through a joint bearing.

Further, the connecting rod comprises connecting rod sheet bodies which are arranged in a front-back symmetrical mode, the end parts of the same sides of the two connecting rod sheet bodies are connected through bolts, and the end parts of the swinging rod and the end parts of the pushing rod are all rotationally connected to the bolts between the end parts of the two connecting rod sheet bodies on the same sides.

Further, the joint bearing comprises fixing seats which are symmetrically arranged in the front and the back, a rotating shaft is connected between the front and the back corresponding fixing seats through the bearing in a rotating mode, and the middle of the swing rod is sleeved and fixed on the rotating shaft.

Further, the joint surfaces of the left chuck and the right chuck are provided with mutually matched anti-slip concave-convex stripes.

Compared with the prior art, the utility model has the following beneficial effects: when the mechanism clamps, a connecting rod dead point is formed, the clamping force is increased, meanwhile, the mechanism is reversely self-locked, the structure is compact, the pivot of the joint bearing seat is utilized, the structure is simplified, meanwhile, the service life of the bearing is prolonged by the application of the bearing, the clamping head and the swing rod are fixed by adopting screws, and different clamping heads can be changed according to different clamping objects and application occasions.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic view (open state) of an embodiment of the present utility model;

fig. 3 is a schematic structural diagram (latch state) of the embodiment of the present utility model.

In the figure: 1-clamping heads; 2-swinging rod; 3-knuckle bearing; 4-rotating shaft; 5-connecting rods; 6-pushing rod; 7-a pin shaft; 8-cylinder; 9-a base.

Detailed Description

The utility model will be further described with reference to the accompanying drawings and examples.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

As shown in fig. 1-3, this embodiment provides a clamping mechanism, including base 9, bilateral symmetry rotates on the base and is connected with the clamping component, be connected with the swing subassembly that is driven by cylinder 8 on the base between two clamping components, the swing subassembly includes push rod 6, the both ends of push rod are articulated to have connecting rod 5, and the other end of connecting rod articulates on the clamping component, and during initial state, push rod and base are parallel, and the connecting rod is located between push rod and the base, and the connecting rod is perpendicular to push rod simultaneously, and the clamping component is parallel to push rod simultaneously, and during locking state, the push rod moves under the effect of cylinder and drives the connecting rod motion for the connecting rod pendulum changes to be parallel to the push rod, makes centre gripping perpendicular to base and each other lock.

In this embodiment, mid-mounting has the cylinder under the base, the flexible end of cylinder runs through the base and upwards stretches out, forms and stretches out the end, stretches out the end and is fixed in the push rod middle part, and during the use, through the flexible of cylinder, the removal of realization push rod.

In this embodiment, the clamping assembly includes a swing rod 2, one end of the outer side of the swing rod is fixed with a chuck 1, the other end of the swing rod is hinged on a connecting rod on the same side, that is, one end of the inner side is hinged with the connecting rod, the middle part of the swing rod is rotationally connected to the side part of the base through a joint bearing, and the movement of one end of the inner side of the swing rod is realized through the movement of the swing assembly, so that the movement of the outer end of the swing rod is driven, and the locking between the two chucks is realized.

In this embodiment, for reasonable in design, the connecting rod includes the connecting rod lamellar body that the front and back symmetry set up, connects through bolt 7 between the homonymy tip of two connecting rod lamellar bodies, all rotates on the bolt of connecting between the tip of two connecting rod lamellar bodies of homonymy between the tip of pendulum rod and the tip of push rod, and the tip of pendulum rod and the tip of push rod all are equipped with the bolt hole, through the cooperation of bolt hole and bolt, realize articulated.

In this embodiment, for reasonable design, the joint bearing 3 includes the fixing base that the front and back symmetry set up, is connected with rotation axis 4 through the bearing rotation between the front and back corresponding fixing base, the middle part cover of pendulum rod is fixed in the rotation axis, realizes the rotation of pendulum rod.

In this embodiment, in order to further prevent the package bag from coming out when the chucks lock, the engaging surfaces of the left and right chucks are provided with mutually-engaged anti-slip concave-convex stripes.

Any of the above-described embodiments of the present utility model disclosed herein, unless otherwise stated, if they disclose a numerical range, then the disclosed numerical range is the preferred numerical range, as will be appreciated by those of skill in the art: the preferred numerical ranges are merely those of the many possible numerical values where technical effects are more pronounced or representative. Since the numerical values are more and cannot be exhausted, only a part of the numerical values are disclosed to illustrate the technical scheme of the utility model, and the numerical values listed above should not limit the protection scope of the utility model.

If the terms "first," "second," etc. are used herein to define a part, those skilled in the art will recognize that: the use of "first" and "second" is used merely to facilitate distinguishing between components and not otherwise stated, and does not have a special meaning.

If the utility model discloses or relates to components or structures fixedly connected with each other, then unless otherwise stated, the fixed connection is understood as: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).

In addition, the orientation or positional relationship indicated by the terms used to indicate positional relationships such as "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. applied to any of the above-described technical aspects of the present disclosure are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present patent, and do not indicate or imply that the device or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present patent, and the terms used to indicate shapes applied to any of the above-described technical aspects of the present disclosure include shapes that are approximated, similar or close thereto unless otherwise stated.

Any part provided by the utility model can be assembled by a plurality of independent components, or can be manufactured by an integral forming process.

Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical scheme of the present utility model and are not limiting; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.

Claims (2)

1. The clamping mechanism is characterized by comprising a base, clamping assemblies are symmetrically connected to the base in a left-right rotating mode, a swinging assembly driven by an air cylinder is connected between the two clamping assemblies on the base, the swinging assembly comprises a push rod, connecting rods are hinged to two ends of the push rod, and the other ends of the connecting rods are hinged to the clamping assemblies; the middle part under the base is provided with a cylinder, the telescopic end of the cylinder penetrates through the base and extends upwards to form an extending end, and the extending end is fixed in the middle of the push rod; the clamping assembly comprises a swing rod, one end of the swing rod is fixedly provided with a chuck, the other end of the swing rod is hinged to a connecting rod on the same side, and the middle part of the swing rod is rotationally connected to the side part of the base through a joint bearing; the connecting rod comprises connecting rod sheet bodies which are arranged in a front-back symmetrical mode, the end parts of the same sides of the two connecting rod sheet bodies are connected through bolts, and the end parts of the swinging rod and the end parts of the pushing rod are both rotationally connected to the bolts between the end parts of the two connecting rod sheet bodies on the same sides; the joint surfaces of the left chuck and the right chuck are provided with mutually matched anti-slip concave-convex stripes.

2. The clamping mechanism according to claim 1, wherein the knuckle bearing comprises fixing seats symmetrically arranged in the front and the rear, a rotating shaft is rotatably connected between the corresponding fixing seats through bearings, and the middle part of the swing rod is sleeved and fixed on the rotating shaft.