CN218927839U

CN218927839U - Inner hole grabbing device

Info

Publication number: CN218927839U
Application number: CN202223601671.2U
Authority: CN
Inventors: 陈泽进
Original assignee: Shengchen Automation Technology Dongguan Co ltd
Current assignee: Shengchen Automation Technology Dongguan Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-04-28
Anticipated expiration: 2032-12-29

Abstract

The utility model relates to the field of product grabbing design, in particular to an inner hole grabbing device. Comprises a shell, a fixed rod, a sliding component and an elastic extrusion block; the shell is internally provided with an installation cavity and an air inlet pipeline connected with the installation cavity and used for controlling the air pressure in the installation cavity; the fixed rod is arranged in the mounting cavity, one end of the fixed rod extends into the air inlet pipeline, and the other end extends out of the mounting cavity; one end of the fixed rod extending into the air inlet pipeline is provided with an air inlet pipeline used for communicating the air inlet pipeline with the mounting cavity; the sliding component is slidably mounted on the outer side of the fixed rod and is sealed in the mounting cavity. Through setting up of casing, dead lever, slip subassembly and elasticity extrusion piece, simple structure is suitable for industrial application, can effectually snatch the product that has the hole, has reduced the damage to the hole simultaneously, and then has improved the qualification rate of product.

Description

Inner hole grabbing device

Technical Field

The utility model relates to the field of product grabbing design, in particular to an inner hole grabbing device.

Background

At present, a carrying mode of using a manipulator for solid objects generally clamps the appearance of the objects, and for objects with through inner holes, in-hole clamping can be adopted. The clamping in the hole usually adopts an expansion shaft mode, a cam shaft is arranged in the center of the expansion shaft, the cam shaft is pushed by external force to advance, the movable support at the outer side of the expansion shaft is expanded by the protruding part of the cam, and the inner wall of the through hole is supported to play the effect of clamping in the hole. However, the camshaft clamping mode is complex in structure and not suitable for industrial popularization and application, and meanwhile, the contact between the camshaft and the inner hole is rigid contact, so that the inner hole is easily damaged in the clamping process, and the product quality is further affected.

For this reason, a technical means is needed to solve the above-mentioned drawbacks.

Disclosure of Invention

The utility model adopts the following technical scheme:

an inner hole grabbing device comprises a shell, a fixed rod, a sliding component and an elastic extrusion block; the shell is internally provided with an installation cavity and an air inlet pipeline connected with the installation cavity and used for controlling the air pressure in the installation cavity; the fixed rod is arranged in the mounting cavity, one end of the fixed rod extends into the air inlet pipeline, and the other end extends out of the mounting cavity; one end of the fixed rod extending into the air inlet pipeline is provided with an air inlet pipeline used for communicating the air inlet pipeline with the mounting cavity; the sliding component is slidably arranged on the outer side of the fixed rod and is sealed in the mounting cavity; the elastic extrusion block is arranged at one end of the fixing rod extending out of the mounting cavity and is abutted against the sliding component.

Preferably, the sliding component comprises a piston pushing block sleeved on the outer side of the fixed rod.

Preferably, a magnetic ring is arranged on the outer side of the piston pushing block.

Preferably, a U-shaped ring is arranged on the outer side of the piston pushing block.

Preferably, an abutting part is arranged at one end of the fixing rod extending out of the mounting cavity; the elastic extrusion block is arranged on the abutting part and sleeved on the outer side of the fixing rod.

Preferably, the elastic extrusion block is an expansion rubber pad.

According to the inner hole grabbing device, through the arrangement of the shell, the fixing rod, the sliding component and the elastic extrusion block, the structure is simple and convenient, the inner hole grabbing device is suitable for industrial application, products with inner holes can be effectively grabbed, damage to the inner holes is reduced, and the product yield is improved.

Drawings

FIG. 1 is an overall schematic diagram of an inner bore gripping apparatus according to the present utility model;

fig. 2 is a schematic cross-sectional view of an inner hole grabbing device according to the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements 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 utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 2, an inner hole grabbing device includes a housing 10, a fixed rod 20, a sliding assembly 30, and an elastic pressing block 40; the shell 10 is internally provided with a mounting cavity 101 and an air inlet pipeline 102 connected with the mounting cavity 101 and used for controlling the air pressure in the mounting cavity 101; the fixed rod 20 is arranged in the mounting cavity 101, one end of the fixed rod 20 extends into the air inlet pipeline 102, and the other end extends out of the mounting cavity 101; one end of the fixed rod 20 extending into the air inlet pipeline 102 is provided with an air inlet pipeline 202 for communicating with the air inlet pipeline 102 and the mounting cavity 101; the sliding component 30 is slidably mounted on the outer side of the fixed rod 20 and is sealed in the mounting cavity 101; the elastic extrusion block 40 is mounted on one end of the fixed rod 20 extending out of the mounting cavity 101 and is abutted against the sliding component 30.

When a product with an inner hole is required to be grabbed, the device enters the inner hole under the drive of an external moving mechanism, at the moment, an external air inlet device is used for introducing air into an installation cavity 101 through an air inlet pipeline 102 and an air inlet pipeline 202, at the moment, the air pressure in the installation cavity 101 is increased, the air pressure drives a sliding component 30 to slide along a rod body of a fixed rod 20 and extrude an elastic extrusion block 40, the elastic extrusion block 40 is elastically deformed under the extrusion of the sliding component 30, at the moment, the middle part of the elastic extrusion block 40 bulges outwards and extrudes the inner side wall, and at the moment, the inner hole grabbing device is used for completing the grabbing of the inner hole; when the inner hole needs to be loosened, the external air inlet device decompresses the air pressure in the installation cavity 101 through the air inlet pipeline 102 and the air outlet pipeline 202, and at the moment, the elastic extrusion block 40 is restored to the original state and pushes the sliding assembly 30 to reset.

According to the utility model, through the arrangement of the shell 10, the fixed rod 20, the sliding component 30 and the elastic extrusion block 40, a product with an inner hole can be effectively grabbed, meanwhile, the damage to the inner hole is reduced, and the product yield is improved.

In one particular embodiment, the slide assembly 30 includes a piston pusher 301 that is positioned around the outside of the stationary rod 20. A magnetic ring 302 is mounted on the outer side of the piston push block 301. By the arrangement of the magnetic ring 302, magnetic interference can be effectively reduced. The outer side of the piston push block 301 is provided with a U-shaped ring 303.

In a specific embodiment, the end of the fixing rod 20 extending out of the mounting cavity 101 is provided with an abutment 201; the elastic pressing block 40 is mounted on the abutting portion 201 and is sleeved outside the fixing rod 20. By the arrangement of the abutting portion 201, the elastic extrusion block 40 can be effectively extruded when the sliding assembly 30 slides along the fixed rod 20. The elastic extrusion block 40 is an expansion rubber cushion. Specifically, the material of the expansion rubber pad can be rubber or silica gel.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. An inner hole grabbing device which is characterized in that: comprises a shell, a fixed rod, a sliding component and an elastic extrusion block; the shell is internally provided with an installation cavity and an air inlet pipeline connected with the installation cavity and used for controlling the air pressure in the installation cavity; the fixed rod is arranged in the mounting cavity, one end of the fixed rod extends into the air inlet pipeline, and the other end extends out of the mounting cavity; one end of the fixed rod extending into the air inlet pipeline is provided with an air inlet pipeline used for communicating the air inlet pipeline with the mounting cavity; the sliding component is slidably arranged on the outer side of the fixed rod and is sealed in the mounting cavity; the elastic extrusion block is arranged at one end of the fixing rod extending out of the mounting cavity and is abutted against the sliding component.

2. An inner bore grasping device according to claim 1, wherein: the sliding component comprises a piston pushing block sleeved on the outer side of the fixed rod.

3. An inner bore grasping device according to claim 2, wherein: and a magnetic ring is arranged on the outer side of the piston pushing block.

4. An inner bore grasping device according to claim 2, wherein: and a U-shaped ring is arranged on the outer side of the piston pushing block.

5. An inner bore grasping device according to claim 1, wherein: an abutting part is arranged at one end of the fixed rod extending out of the mounting cavity; the elastic extrusion block is arranged on the abutting part and sleeved on the outer side of the fixing rod.

6. The inner bore grasping device according to claim 5, wherein: the elastic extrusion block is an expansion rubber cushion.