CN218785580U

CN218785580U - Clamping jaw mechanism

Info

Publication number: CN218785580U
Application number: CN202223096440.0U
Authority: CN
Inventors: 丁婉婉; 张辉; 程帅; 张建国
Original assignee: Hi P Shanghai Household Appliances Products Co ltd
Current assignee: Hi P Shanghai Household Appliances Products Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-04-04
Anticipated expiration: 2032-11-21

Abstract

The application discloses a clamping jaw mechanism which is suitable for flexible annular products and comprises a plurality of clamping jaws, connecting rod structures and cylinders, wherein the clamping jaws and the connecting rod structures are correspondingly arranged, any clamping jaw is connected with the cylinders through the corresponding connecting rod structures, and the cylinders drive the connecting rod structures to move simultaneously so as to enable the clamping jaws to be close to or far away from each other; the clamping jaw is the flexible piece, can peg graft flexible cyclic annular product when each clamping jaw draws close each other to the interior anchor ring face of butt flexible cyclic annular product is with the flexible cyclic annular product of centre gripping when keeping away from each other. The clamping jaw mechanism of this application can solve effectively and press from both sides the problem that flexible annular product presss from both sides easily and hinders or fish tail its surface through the cooperation of flexible clamping jaw, connecting rod structure and cylinder, when having improved the production yield, has still reduced manufacturing enterprise's economic loss.

Description

Clamping jaw mechanism

Technical Field

The application relates to the field of mechanical automation, in particular to a clamping jaw mechanism.

Background

On an automatic production line, the situation that a clamping jaw is used for clamping a product in a factory production process is common. However, the clamping jaws at the present stage are usually made of rigid materials, and when a part of products are produced and processed, the surfaces of the products are damaged or scratched, so that the production yield is reduced, and economic losses to a certain extent are caused to production enterprises for a long time.

Particularly, for a flexible annular product, in order to prevent the product from falling off in the clamping process, the force of the clamping jaw made of a rigid material is often large, and the surface of the flexible annular product is easily damaged or scratched, so that the clamping jaw mechanism for the flexible annular product is very necessary to be invented.

SUMMERY OF THE UTILITY MODEL

To above-mentioned technical problem, the application provides a clamping jaw mechanism, aims at solving the problem that current clamping jaw presss from both sides flexible annular product easily.

In order to achieve the purpose, the following technical scheme is adopted in the application:

the application provides a clamping jaw mechanism, is applicable to flexible annular product, including clamping jaw, link structure and cylinder, the clamping jaw with link structure all has a plurality ofly and sets up correspondingly, arbitrary the clamping jaw is through corresponding the link structure connect the cylinder, the cylinder orders about each link structure motion so that each the clamping jaw draws close each other or keeps away from simultaneously; the clamping jaws are flexible pieces, can be inserted into the flexible annular products when the clamping jaws are close to each other, and abut against the inner annular surface of the flexible annular products to clamp the flexible annular products when the clamping jaws are far away from each other.

Optionally, each of the connecting rod structures includes a base, a first connecting rod and a second connecting rod, the first connecting rod has a first hinge point hinged to the cylinder and a second hinge point hinged to the second connecting rod, the second connecting rod has a third hinge point hinged to the base, and the clamping jaw is mounted on the first connecting rod;

the cylinder drives the first hinge point to move back and forth between a first position and a second position along the central axes of the clamping jaws, when the first hinge point moves from the first position to the second position, the clamping jaws deflect outwards relative to the central axes to be away from each other, and when the first hinge point moves from the second position to the first position, the clamping jaws deflect towards the central axes to be close to each other.

Optionally, the first link includes the first linkage and the second linkage that set up of an organic whole, first linkage deviates from the extreme point that the second linked is the first pin joint, the second linked deviates from the extreme point of first linkage is the second pin joint, first linkage with the hookup location of second linked deviates from the direction of the central axis the line of first pin joint and third pin joint, the clamping jaw is located the second linked.

Optionally, the clamping jaw is located on an extension line of the first section.

Optionally, the cylinder includes a cylinder body and an expansion link connected to the cylinder body, the expansion link is hinged to the first hinge point and drives the first hinge point to reciprocate between the first position and the second position, and the base is disposed outside the cylinder body.

Optionally, each of the bases is integrally disposed.

Optionally, the end of the telescopic rod departing from the cylinder body is provided with a connecting block, and the connecting block is provided with a plurality of connecting blocks and is respectively hinged with each first connecting rod.

Optionally, the jaws are T-shaped structures.

Optionally, the side of the clamping jaw, which faces away from the central axis, is provided with an anti-slip line.

Optionally, the number of the plurality of jaws is at least three.

The clamping jaw mechanism of this application can solve effectively and press from both sides the problem that flexible annular product presss from both sides easily and hinders or fish tail its surface through the cooperation of flexible clamping jaw, connecting rod structure and cylinder, when having improved the production yield, has still reduced manufacturing enterprise's economic loss.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a schematic view of a gripper mechanism of an embodiment of the present application gripping a product;

FIG. 2 is a schematic view of a jaw mechanism of an embodiment of the present application inserted into a product;

FIG. 3 is a front view of the jaw mechanism of FIG. 2;

figure 4 is a front view of the jaw mechanism of figure 1.

Detailed Description

Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the description of the invention without inventive step, are within the scope of protection of the invention.

The following embodiments are provided to illustrate the present disclosure, and other advantages and effects will be apparent to those skilled in the art from the disclosure.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms can be understood in a specific case to those of ordinary skill in the art.

The terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", and the like, refer to an orientation or positional relationship that is based on the orientation or positional relationship shown in the drawings, or that is conventionally used in the practice of the invention, and are used for convenience of description and simplicity of illustration only, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present invention.

Moreover, the terms "first," "second," "third," and the like are used solely to distinguish between similar elements and not to indicate or imply relative importance or a particular order.

Furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, which includes other elements not expressly listed but rather than those listed.

Referring to fig. 1 and 2, the present application provides a clamping jaw mechanism, which is suitable for a flexible annular product 90, and includes a plurality of clamping jaws 10, a plurality of connecting rod structures 20, and a cylinder 30, where the clamping jaws 10 and the connecting rod structures 20 are correspondingly disposed, any clamping jaw 10 is connected to the cylinder 30 through the corresponding connecting rod structure 20, and the cylinder 30 drives the connecting rod structures 20 to move simultaneously so as to make the clamping jaws 10 approach or move away from each other; the clamping jaws 10 are flexible members, and can be inserted with the flexible annular product 90 when the clamping jaws 10 are close to each other, and abut against the inner annular surface of the flexible annular product 90 to clamp the flexible annular product 90 when the clamping jaws are away from each other. Specifically, the plurality of jaws 10 are respectively mounted on the plurality of link structures 20, and the plurality of link structures 20 are disposed on the cylinder 30 at intervals. When the air cylinder 30 works, two working conditions are respectively obtained by pushing all the connecting rod structures 20 in a reciprocating mode to enable all the clamping jaws 10 on the connecting rod structures 20 to contract or expand mutually. Wherein, when the clamping jaws 10 are mutually contracted, all the clamping jaws 10 can extend into the inner annular surface of the flexible annular product 90. When the clamping jaws 10 are opened, all the clamping jaws 10 can abut against the inner annular surface of the flexible annular product 90, and the flexible annular product 90 can be clamped.

Preferably, in order to further solve the drawbacks of the prior art clamping jaw 10 in clamping the flexible annular product 90 as described in the background, the clamping jaw 10 used in the present application is made of a flexible material having the properties of softness, low rigidity, easy deformation, etc., and the common flexible materials are, for example: polyvinyl alcohol, polyester, polyimide, polyethylene naphthalate, and the like, but are not limited thereto.

Alternatively, each link structure 20 includes a base 210, a first link 220 and a second link 230, the first link 220 has a first hinge point 2211 hinged to the cylinder 30 and a second hinge point 2221 hinged to the second link 230, the second link 230 has a third hinge point 2310 hinged to the base 30, and the jaw 10 is mounted on the first link 220. Specifically, the first link 220 and the second link 230 are common link structures, that is, the first hinge point 2211 and the second hinge point 2221 are end points of two ends of the first link 220, and the third hinge point 2310 is an end point of the second link 230 far away from the second hinge point 2221 of the first link 220. The first hinge point 2211 of the first connecting rod 220 is hinged to the cylinder 30, the second hinge point 2221 is hinged to one end of the second connecting rod 230 away from the third hinge point 2310, the third hinge point 2310 of the second connecting rod 230 is hinged to the base 210, and the clamping jaw 10 is mounted on the first connecting rod 220.

Referring to fig. 3 and 4, the cylinder 30 drives the first hinge point 2211 to move back and forth along the central axes of the plurality of jaws 10 between a first position and a second position, the jaws 10 are deflected outward away from each other relative to the central axes when the first hinge point 2211 moves from the first position to the second position, and the jaws 10 are deflected toward the central axes to approach each other when the first hinge point 2211 moves from the second position to the first position. Specifically, the plurality of link structures 20 are connected to the cylinder 30 around the cylinder 30, and the first hinge point 2211 of the first link 220 reciprocates along with the cylinder 30 during the reciprocating motion. When the cylinder 30 is compressed, all the first connecting rods 220 are contracted, the clamping jaws 10 on the first connecting rods 220 are closed, and the first hinge point 2211 is located at the first position. When the cylinder 30 is extended, all the first links 220 are opened and the jaws 10 on the first links 220 are moved away from each other, and the first hinge point 2211 is located at the second position. During the reciprocating motion of the cylinder 30, the first hinge point 2211 of the first link 220 is switched between a first position and a second position along the central axis of the plurality of jaws 10 to respectively achieve the closing and the separating of the jaws 10.

Optionally, the first link 220 includes a first link 2210 and a second link 2220 integrally disposed, an end point of the first link 2210 facing away from the second link 2220 is a first hinge point 2211, an end point of the second link 2220 facing away from the first link 2210 is a second hinge point 2221, a connection position of the first link 2210 and the second link 2220 deviates from a connection line of the first hinge point 2211 and the third hinge point 2310 in a direction away from the central axis, and the clamping jaw 10 is disposed on the second link 2220. In the illustrated structure, the first link 220 has an L-shaped bent structure, and the bent angle ranges from about 80 ° to about 110 °. Specifically, the first segment 2210 and the second segment 2220 are respectively L-shaped two segments, the first hinge point 2211 is located at the end far away from the connecting position of the first segment 2210 and the second segment 2220, the second hinge point 2221 is located at the end of the connecting position of the second segment 2220 and the first segment 2210, and the clamping jaw 10 is disposed on the second segment 2220. Compared with a single-section connecting rod, the first connecting rod 220 is divided into the first section 2210 and the second section 2220, so that the first connecting rod 220 has a larger expansion ratio under the driving of the cylinder 30, the application range of clamping the flexible annular product 90 is increased, and the economy is better.

Optionally, the jaws 10 are located on the extension of the first section 2210. Specifically, the clamping jaws 10 are disposed on the second connecting section 2220 and close to the connecting position with the first connecting section 2210, so that when the first hinge point 2211 of the first connecting rod 220 is located at the second position, each clamping jaw 10 can be opened by a larger angle, and the application range of the flexible annular product 90 with different inner annular surfaces can be widened, thereby achieving better economy.

Alternatively, the cylinder 30 includes a cylinder body 310 and a telescopic rod 320 connected to the cylinder body 310, the telescopic rod 320 is hinged to the first hinge point 2211 and drives the first hinge point 2211 to reciprocate between a first position and a second position, and the base 210 is disposed outside the cylinder body 310. Specifically, the cylinder 30 includes a cylinder body 310 and a telescopic rod 320 reciprocating in the cylinder body 310 by the driving of the cylinder body 310. Wherein the first hinge point 2211 of the first link 220 is hinged to the telescopic rod 320, and the first hinge point 2211 of the first link 220 is switched between the first position and the second position as the telescopic rod 320 reciprocates in the cylinder 310.

Alternatively, each base 210 is integrally provided. In the illustrated structure, in order to improve the integration of the link structure 20 and reduce maintenance costs in the event of a failure, the bases 210 hinged to the third hinge points 2310 of the second link 230 are integrally formed.

Optionally, an end of the telescopic rod 320 facing away from the cylinder 310 is provided with a connecting block 3210, and the connecting blocks 3210 are multiple and are respectively hinged to each first connecting rod 220. Specifically, the telescopic rod 320 includes a rod body and a connecting block 3210 disposed at a top end of the rod body. Wherein, connecting block 3210 sets up with the body of rod is perpendicular. The number of the connection blocks 3210 corresponds to the number of the first links 220, and is hinged to each of the first links 220, respectively. In the illustrated structure, the connecting block 3210 is horizontally disposed and parallel to the base 210, and the connecting block 3210 passes through the base 210 and moves in the space formed by the base 210 and the connecting rod structure 20. The width of the connecting block 3210 is smaller than that of the base 210, so that the connecting rod structure 20 obtains a better moving space, the application range is improved, and better economy is achieved.

Optionally, the jaws 10 are T-shaped in configuration. Specifically, the top edge of the clamping jaw 10 is fixedly connected with the second connecting section 2220 of the first connecting rod 220, and the long edge of the clamping jaw 10 is a clamping part, and the shape of the clamping jaw gradually shrinks in the process of moving away from the top edge. In the art, the T-shaped structure of the clamping jaw 10 is more economical to manufacture than the conventional clamping jaw, while being able to effectively clamp the flexible annular product 90.

Optionally, the side of the clamping jaw 10 facing away from the centre axis is provided with an anti-slip thread (not identified in the figures). Specifically, when the inner ring surface of the flexible annular product is abutted and clamped, in order to further improve the clamping stability, an anti-slip pattern (not shown) is arranged on one side of the clamping jaw 10 departing from the central axis.

Optionally, the plurality of jaws 10 is at least three in number. Specifically, in order to effectively and stably clamp the flexible annular product 90, the number of the plurality of clamping jaws 10 is at least three. In the illustrated structure, it is preferable that the number of the gripping claws is three, because the gripping claws can stably grip the flexible annular product and the manufacturing and maintenance costs can be controlled. In other embodiments, the number of jaws 10 may be adjusted according to the size of the flexible annular product 90 or other factors, and is not limited herein.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present disclosure should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A clamping jaw mechanism is suitable for flexible annular products and is characterized by comprising a plurality of clamping jaws, connecting rod structures and cylinders, wherein the clamping jaws and the connecting rod structures are correspondingly arranged; the clamping jaws are flexible pieces, can be inserted into the flexible annular products when the clamping jaws are close to each other, and abut against the inner annular surface of the flexible annular products to clamp the flexible annular products when the clamping jaws are far away from each other.

2. Gripper mechanism according to claim 1, wherein each of the link arrangements comprises a base, a first link having a first hinge point with the cylinder and a second hinge point with the second link, and a second link having a third hinge point with the base, the gripper being mounted on the first link;

3. Gripper mechanism according to claim 2, characterized in that the first link comprises a first link and a second link arranged in one piece, the end point of the first link facing away from the second link being the first hinge point, the end point of the second link facing away from the first link being a second hinge point,

the connecting position of the first connecting section and the second connecting section deviates from the connecting line of the first hinge point and the third hinge point in the direction away from the central axis, and the clamping jaw is arranged on the second connecting section.

4. Gripper mechanism according to claim 3, characterized in that the clamping jaws are located on an extension line of the first section.

5. The gripper mechanism of claim 3, wherein the cylinder includes a cylinder body and a telescoping rod connected to the cylinder body, the telescoping rod articulating the first hinge point and causing the first hinge point to reciprocate between the first position and the second position, the base being disposed outside of the cylinder body.

6. Gripper mechanism according to claim 5, characterized in that the bases are provided in one piece.

7. Gripper mechanism according to claim 6, characterized in that the end of the telescoping rod facing away from the cylinder is provided with a connecting block, which is provided in plurality and is hinged to each of the first connecting rods, respectively.

8. The jaw mechanism of claim 1, wherein said jaws are T-shaped.

9. Gripper mechanism according to claim 2, characterized in that the side of the gripper jaw facing away from the centre axis is provided with an anti-slip thread.

10. The jaw mechanism of claim 1, wherein said plurality of jaws is at least three in number.