CN211520943U

CN211520943U - Permanent magnet push-pull device

Info

Publication number: CN211520943U
Application number: CN201922066278.XU
Authority: CN
Inventors: 蒋本豫
Original assignee: Zhengzhou Qianzheng Automation Science & Technology Co ltd
Current assignee: Zhengzhou Qianzheng Automation Science & Technology Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-09-18
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a permanent magnet push-pull device, which comprises a cylinder, a permanent magnet and a support plate, wherein four support frames are respectively distributed in an inverted L shape; the tops of the four supporting plates are respectively fixed with a shell below the air cylinder, and a cavity is formed inside the four supporting plates; the end part of the push rod positioned below the air cylinder is provided with a magnetic conduction shell, a permanent magnet is arranged in the magnetic conduction shell, and a magnetic conduction block is arranged below the magnetic conduction shell. The utility model discloses a push rod promotion below the cylinder has the permanent magnet of magnetic conduction shell to reciprocate in the cavity that four backup pads formed, and the cylinder promotes the push rod, makes the permanent magnet promote to the position of magnetic conduction piece below, and the magnetic line of force of permanent magnet is released completely through the magnetic conduction piece below, closes the magnetic line of force through steel sheet or steel pipe that are located the magnetic conduction piece below, forms powerful suction, can snatch steel sheet or steel pipe fast; small volume, large unit adsorption force and simple control.

Description

Permanent magnet push-pull device

The technical field is as follows:

the utility model relates to a magnetic force sucking disc that uses in the industrial production process, in particular to permanent magnet push-and-pull device.

Secondly, background art:

in the industrial production process, magnetic chucks are often used for carrying carbon steel materials such as steel plates, steel pipes and the like, and the permanent magnetic chucks are large or small and show hands everywhere, so that the permanent magnetic chucks serve silently in industrial production; at present, two structures are mainly adopted by a sucker device for grabbing and releasing an object by utilizing adsorption actions in the industry: one is that the vacuum chuck adsorbs the surface of the object, and the other is that the electromagnet adsorbs the ferromagnetic object, wherein, for the vacuum chuck, the surface of the object is required to be smooth enough and have larger air tightness, and a larger area is used as the grabbing position, if the object to be taken is difficult to meet the requirement, the object is difficult to grab; for the structure of the electromagnet, continuous electric energy is needed to keep the magnetism of the sucker, so that the energy consumption is high, and besides the problems of heating and safety of electric appliances, once power failure or circuit failure occurs, a grabbed object falls off, so that the electromagnet is unsafe; in the existing pneumatic cylinder, the cylinder is arranged in the support and is integrated with the support, and when the pneumatic cylinder is used, gaps and poor sealing can occur in the support, so that the integral using effect is influenced; and has large volume and complex control.

Thirdly, the contents of the utility model:

the utility model discloses the technical problem that will solve is: the permanent magnet push-pull device overcomes the defects of the prior art, and is simple in structure, small in size, large in unit area suction force and high in adaptability.

The utility model discloses a technical scheme who solves technical problem and take is:

a permanent magnet push-pull device comprises four air cylinders, permanent magnets and support frames, wherein the four support plates are respectively distributed in an inverted L shape; the tops of the four support frames are respectively fixed with the shell below the air cylinder, and a cavity is formed inside the four support frames; a magnetic conduction shell is arranged at the end part of the push rod positioned below the air cylinder, a permanent magnet is arranged in the magnetic conduction shell, and four surfaces outside the permanent magnet are respectively provided with an upper non-magnetic-conduction material partition plate; and a magnetic conduction block is arranged below the magnetic conduction shell.

The magnetic conduction shell and the permanent magnet are fixedly connected with the end part of the push rod through a bolt; and the magnetic conduction shell, the permanent magnet and the magnetic conduction block are respectively positioned in the cavity formed by the four supporting plates.

The front, the back, the left and the right of the outside of the permanent magnet are respectively provided with an upper non-magnetic-conductive material clapboard, the position of the upper non-magnetic-conductive material clapboard arranged outside the permanent magnet, which corresponds to the lower magnetic-conductive block, is provided with a lower non-magnetic-conductive material clapboard, and the lower non-magnetic-conductive material clapboard divides the magnetic-conductive block into an inner part and an outer part; the magnetic conduction block positioned in the lower non-magnetic-conduction material partition plate, the magnetic conduction block positioned outside the lower non-magnetic-conduction material partition plate and the non-magnetic-conduction material partition plate are tightly connected together; the outer walls of the magnetic conduction blocks positioned outside the lower non-magnetic-conduction material partition plate are fixedly connected with the inner walls of the four support plates.

The outer wall of the magnetic conduction shell and the inner walls of the four supporting plates are not fixed.

The utility model discloses an actively beneficial effect is:

1. the utility model has novel structure and ingenious design, and plays a good supporting role for the cylinder by arranging the inverted L-shaped supporting frame on the shell below the cylinder; meanwhile, a cavity is formed among the four inverted L-shaped supporting frames, and a push rod arranged below the air cylinder pushes the permanent magnet with the magnetic conduction shell to move up and down in the cavity; the operation is simple and the control is easy.

2. The utility model discloses the cylinder promotes the push rod, makes the permanent magnet promote the position to below magnetic conduction piece, and the magnetic line of force of permanent magnet releases completely through the magnetic conduction piece of below, and steel sheet or steel pipe through being located the magnetic conduction piece below are closed with the magnetic line of force, form powerful suction, can snatch steel sheet or steel pipe fast, and strong adaptability has fine social practical value, easily promotes.

3. The utility model discloses when cylinder pulling permanent magnet moves back to a locating position, because magnetic force disappears, magnetic conduction piece loses magnetic force, and the suction that is adsorbed steel pipe or steel sheet before making disappears and breaks away from top magnetic conduction piece, and small, with low costs, control is simple.

Fourthly, explanation of the attached drawings:

fig. 1 is a schematic structural view of the present invention;

in fig. 1, D represents a steel plate or a steel pipe to be adsorbed.

The fifth embodiment is as follows:

the invention will be further explained and explained with reference to the drawings, in which:

referring to fig. 1, a permanent magnet push-pull device comprises a cylinder 1, permanent magnets 2 and support plates 3, wherein four support frames 3 are respectively distributed in an inverted L shape; the tops of the four supporting plates 3 are respectively fixed with a shell below the cylinder 1, and a cavity is formed inside the four supporting plates 3; the end part of the push rod 4 positioned below the cylinder 1 is provided with a magnetic conduction shell 6, a permanent magnet 2 is arranged in the magnetic conduction shell 6, four surfaces outside the permanent magnet 2 are respectively provided with an upper non-magnetic material baffle plate 5, namely, the magnetic conduction shell 6 is wrapped on four surfaces outside the permanent magnet 2 with the non-magnetic material baffle plates 5 on the four surfaces; a magnetic conduction block 8 is arranged below the magnetic conduction shell 6; the magnetic conduction shell 6 and the permanent magnet 2 are fixedly connected with the end part of the push rod 4 through a bolt 7; the magnetic conduction shell 6, the permanent magnet 2 and the magnetic conduction block 8 are respectively positioned in the cavity formed by the four support plates 3; the front, the back, the left and the right of the outside of the permanent magnet 2 are respectively provided with an upper non-magnetic-conductive material clapboard 5, the position of the upper non-magnetic-conductive material clapboard 5 arranged outside the permanent magnet 2, which corresponds to the lower magnetic-conductive block 8, is provided with a lower non-magnetic-conductive material clapboard 9, and the lower non-magnetic-conductive material clapboard 9 divides the magnetic-conductive block 8 into an inner part and an outer part; the magnetic conduction block 8 positioned in the lower non-magnetic-conduction material clapboard 9, the magnetic conduction block 8 positioned outside the lower non-magnetic-conduction material clapboard 9 and the non-magnetic-conduction material clapboard 9 are tightly connected together; the outer wall of the magnetic conduction block 8 positioned outside the lower non-magnetic-conduction material partition plate 9 is fixedly connected with the inner walls of the four support plates 3; the magnetic conduction blocks 8 are positioned at the bottoms of the cavities formed in the four support frames 3, and the bottoms of the magnetic conduction blocks 8 and the bottoms of the four support frames are positioned on the same horizontal line; the outer wall of the magnetic conduction shell 6 and the inner walls of the four supporting plates 3 are not fixed, and the push rod below the air cylinder can push the permanent magnet with the magnetic conduction shell 6 to move up and down in a cavity formed by the four supporting frames.

In the above description, the tops of the four support frames surround the push rod and are fixedly connected with the shell below the air cylinder.

When the utility model is used, the inverted L-shaped supporting plate is arranged on the shell below the cylinder, thereby playing a good supporting role for the cylinder; meanwhile, a cavity is formed among the four inverted L-shaped supporting plates, and a push rod arranged below the air cylinder pushes the permanent magnet with the magnetic conduction shell to move up and down in the cavity; the cylinder pushes the push rod to push the permanent magnet to the position of the lower magnetic conduction block, the magnetic line of force of the permanent magnet is completely released through the lower magnetic conduction block, and the magnetic line of force is closed through the steel plate or the steel pipe positioned below the magnetic conduction block to form strong suction force, so that the steel plate or the steel pipe can be rapidly grabbed; small volume, large unit adsorption force, simple control and easy popularization.

Claims

1. The utility model provides a permanent magnet push-and-pull device, includes cylinder (1), permanent magnet (2) and backup pad (3), its characterized in that: the number of the supporting plates (3) is four, and the supporting plates are distributed in an inverted L shape; the tops of the four supporting plates (3) are respectively fixed with a shell below the cylinder (1), and a cavity is formed inside the four supporting plates (3); a magnetic conduction shell (6) is arranged at the end part of the push rod (4) positioned below the air cylinder (1), a permanent magnet (2) is arranged in the magnetic conduction shell (6), and upper non-magnetic conduction material partition plates (5) are respectively arranged on four surfaces outside the permanent magnet (2); and a magnetic conduction block (8) is arranged below the magnetic conduction shell (6).

2. The permanent magnet push-pull device according to claim 1, characterized in that: the magnetic conduction shell (6) and the permanent magnet (2) are fixedly connected with the end part of the push rod (4) through a bolt (7); and the magnetic conduction shell (6), the permanent magnet (2) and the magnetic conduction block (8) are respectively positioned in a cavity formed by the four supporting plates (3).

3. The permanent magnet push-pull device according to claim 1, characterized in that: the front, the back, the left and the right of the outside of the permanent magnet (2) are respectively provided with an upper non-magnetic-conductive material clapboard (5), the position of the upper non-magnetic-conductive material clapboard (5) arranged outside the permanent magnet (2) corresponding to the lower magnetic-conductive block (8) is provided with a lower non-magnetic-conductive material clapboard (9), and the lower non-magnetic-conductive material clapboard (9) divides the magnetic-conductive block (8) into an inner part and an outer part; the magnetic conduction block (8) positioned inside the lower non-magnetic-conduction material partition plate (9), the magnetic conduction block (8) positioned outside the lower non-magnetic-conduction material partition plate (9) and the non-magnetic-conduction material partition plate (9) are tightly connected together; the outer wall of the magnetic conduction block (8) positioned outside the lower non-magnetic-conduction material partition plate (9) is fixedly connected with the inner wall of the bottom of the cavity formed inside the four support plates (3).

4. The permanent magnet push-pull device according to claim 1, characterized in that: the outer wall of the magnetic conduction shell (6) is not fixed with the inner walls of the four supporting plates (3).