CN212217865U

CN212217865U - Jig tool

Info

Publication number: CN212217865U
Application number: CN202020232723.5U
Authority: CN
Inventors: 刘军兵; 谢涛; 刘新兵
Original assignee: Hongfujin Precision Electronics Chengdu Co Ltd
Current assignee: Hongfujin Precision Electronics Chengdu Co Ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-12-25
Anticipated expiration: 2030-02-28

Abstract

The utility model provides a jig, including the loading board, magnetic part and clamp plate, the bottom of loading board is located to the magnetic part, the loading board top is located to the clamp plate, the magnetic part passes through magnetic force and adsorbs the clamp plate to fix the product and process between loading board and clamp plate, the jig still includes the main part, the bottom plate, guide pillar and drive arrangement, the main part is fixed in between loading board and the bottom plate, the inside vacuole formation of main part, guide pillar and magnetic part are located in the cavity, the guide pillar is fixed in between loading board and the bottom plate, magnetic part slidable ground is installed on the guide pillar, drive arrangement is used for driving.

Description

Jig tool

Technical Field

The application relates to a tool with magnetic adsorption function.

Background

At present, when the outer ring highlight surface of a product is processed by a magnetic jig, the product needs to be tightly pressed by penetrating the product through magnetic force to suck a pressing plate so as to avoid generating vibration cutter lines. The existing permanent magnet type magnetic jig is complex in wiring and structure, short circuit is caused by the fact that the permanent magnet is prone to water inflow, and the service life is short.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a non-electro-permanent magnetic fixture with a simple structure.

In an embodiment of the application, the jig comprises a bearing plate, a magnetic part and a pressing plate, wherein the magnetic part is arranged at the bottom of the bearing plate, the pressing plate is arranged at the top of the bearing plate, the magnetic part is adsorbed to the pressing plate through magnetic force to fix a product between the bearing plate and the pressing plate, the jig further comprises a main body, a bottom plate, a guide pillar and a driving device, the main body is fixed between the bearing plate and the bottom plate, a cavity is formed inside the main body, the guide pillar and the magnetic part are arranged in the cavity, the guide pillar is fixed between the bearing plate and the bottom plate, the magnetic part is slidably arranged on the guide pillar, and the driving device is used for driving the magnetic part to slide along the guide pillar.

In one embodiment of the application, the driving device comprises a moving part and a pneumatic part, the moving part is fixed on one side, away from the bearing plate, of the magnetic part and is hermetically connected with the inner wall of the main body, and the pneumatic part is used for changing air pressure of two sides of the moving part in the cavity so as to drive the moving part to slide along the guide pillar.

In an embodiment of the present application, the loading board is provided with a first air hole, the bottom plate is provided with a second air hole, the pneumatic part is provided with air through the first air hole so that the magnetic part is far away from the loading board, and the second air hole is provided with air so that the magnetic part is close to the loading board.

In an embodiment of the present application, a seal ring is disposed between the moving member and the inner wall of the main body.

In an embodiment of the application, the tool still includes the solenoid valve, pneumatic member passes through the solenoid valve is connected first gas pocket with the second gas pocket, pneumatic member accessible solenoid valve control air input and then control the magnetic part with the distance of loading board.

In an embodiment of the present application, a groove is formed in the bottom of the bearing plate, and the groove is used for accommodating the magnetic member, so as to shorten a distance between the magnetic member and the pressing plate.

In an embodiment of the present application, the jig further includes a magnetic sensor, the magnetic sensor is disposed at the bottom of the bottom plate and connected to the bearing plate, and the magnetic sensor is used for sensing a magnetic state at the bearing plate.

In an embodiment of the present application, a third air hole is formed in the bottom of the main body, the third air hole is communicated with the first air hole, and the pneumatic member admits air to the first air hole through the third air hole.

In an embodiment of the present application, the loading board is provided with a fourth air hole, the fourth air hole is used for facilitating processing the first air hole, during use, the fourth air hole prevents air leakage for the blocking state.

In an embodiment of the present application, the magnetic member is a permanent magnet.

The jig controls the moving piece to move on the guide pillar through the driving device, so that the magnetic piece is close to or far away from the bearing plate, the product is adsorbed or loosened, and the purposes of simple structure and short circuit problem avoidance are achieved.

Drawings

Fig. 1 is a schematic perspective view of a jig according to an embodiment of the present application.

Fig. 2 is a cross-sectional view of the jig a-a in fig. 1.

Fig. 3 is a cross-sectional view of the jig a-a in fig. 1 in another state.

Description of the main elements

Jig 100

Carrier plate 10

First air vent 11

Groove 12

Fourth air hole 13

Magnetic member 20

Main body 30

Cavity 31

Third air hole 32

First joint 32a

Base plate 40

Second air hole 41

Second joint 41a

Guide post 50

Moving member 60

Sealing ring 70

Electromagnetic valve 80

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical", "horizontal", "left", "right" and the like are used herein for illustrative purposes only.

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 application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following embodiments, features of the embodiments may be combined with each other without conflict.

Referring to fig. 1 and 2, the present application provides a jig 100 with pneumatic control and magnetic attraction functions, in one embodiment, the jig 100 includes a carrier plate 10, a magnetic member 20, and a pressing plate (not shown). The bearing plate 10 is fixed and used for bearing a product to be processed. The magnetic member 20 is movably fixed under the loading plate 10. The pressing plate is arranged on the top of the bearing plate 10. The product is located between the carrier plate 10 and the press plate. The magnetic member 20 downwardly attracts the pressing plate by a magnetic force to press the product between the loading plate 10 and the pressing plate for processing.

The jig further comprises a main body 30, a bottom plate 40, a guide post 50 and a driving device. The main body 30 surrounds the bottom of the loading board 10. The base plate 40 is fixed to the bottom of the body 30. The main body 30 has a cavity 31 formed therein, and the guide post 50 and the magnetic member 20 are disposed in the cavity 31. One end of the guide post 50 is fixed to the bottom of the loading plate 10, and the other end is fixed to the bottom plate 40. The magnetic member 20 is slidably mounted on the guide post 50 up and down. The magnetic member 20 moves up and down to approach or separate from the carrier plate 10 to attract or release the pressing plate, thereby pressing or releasing the product. In one embodiment of the present application, the main body 30 has two cavities 31 therein, the two cavities 31 have a guide pillar 50 and a magnetic member 20 therein, and the bottoms of the two cavities 31 are sealed by two bottom plates 40; the carrier plate 10 can be matched with two pressing plates to fix two products respectively.

The driving device includes a moving member 60 and a pneumatic member (not shown). The moving member 60 is fixed on a side of the magnetic member 20 facing away from the carrier plate 10 and is in sealing connection with the inner wall of the main body 30. The pneumatic member is used to change the air pressure on the upper and lower sides of the moving member in the cavity 31, thereby driving the moving member 60 to slide along the guide post 50. In the present embodiment, two moving members 60 are respectively disposed in the two cavities 31.

Referring to fig. 2 and 3, the carrier plate 10 is provided with a first air hole 11, and the bottom plate 40 is provided with a second air hole 41. The moving member 60 is in contact with the main body 30 through a seal ring 70. The bottom of the main body 30 is provided with a third air hole 32, and the third air hole 32 is communicated with the first air hole 11 inside the main body 30 and the bearing plate 10. The bottom of the third air hole 32 is connected with an air moving piece through a first joint 32 a; the second air hole 41 is connected to the pneumatic member through a second joint 41 a. The pneumatic piece is connected with the first joint 32a through a pipeline for air inlet, so that the magnetic piece 20 moves downwards to be far away from the bearing plate 10; the pneumatic member is also connected to the second joint 41a through a pipeline for air intake, so that the magnetic member 20 moves upward close to the carrier plate 10. In the present embodiment, each cavity 31 is provided with a first air hole 11, two first air holes 11 are communicated with a third air hole 32, and the third air hole 32 is connected with the pneumatic member at the bottom of the main body 10 through a first joint 32a and an air pipe; the bottoms of the two bottom plates 40 are respectively provided with a second air hole 41, the two second air holes 41 are respectively connected with a second joint 41a, and the two second joints 41a are combined into an air pipe connecting pneumatic component through two air pipes.

The jig 100 further includes an electromagnetic valve 80, and the pneumatic element controls the air inlet and outlet of the second air hole 41 and the third air hole 32 through the electromagnetic valve 80. The pneumatic element can control the air input through the electromagnetic valve 80 to control the distance between the magnetic element 20 and the bearing plate 10, thereby controlling the attraction force to the pressing plate.

The bottom of the carrier plate 10 is provided with a recess 12. The groove 12 is used for accommodating the magnetic member 20 to shorten the distance between the magnetic member 20 and the pressure plate at the highest position.

The jig 100 further includes a magnetic sensor (not shown) connected to the carrier plate 10 through the bottom of the main body 30 by a wire for sensing a magnetic state at the carrier plate 10.

The carrier plate 10 is further provided with a fourth air hole 13. The fourth air hole 13 is used for conveniently processing the first air hole 11, and the fourth air hole 13 is in a blocking state to prevent air leakage when in use.

It is understood that in other embodiments, the main body 30 may have other numbers of cavities 31, corresponding to the same numbers of bottom plates 40, guide posts 50, and moving members 60; the recess 12 may be eliminated; two third air holes 32 may also be formed in the center of the bottom of the main body 30, one end of each of the two third air holes 32 is connected to one of the first air holes 11, the other end of each of the two third air holes 32 is connected to one of the first joints 32a, and the two first joints 32a are connected to the pneumatic member after being combined into one air pipe through two air pipes.

The jig 100 controls the moving element 60 to move on the guide post 50 through the driving device, so that the magnetic element 20 is close to or away from the bearing plate 10, thereby adsorbing or loosening the product, and achieving the purposes of simple structure and avoiding the short circuit problem.

Although the present application has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the present application. Those skilled in the art can make other changes and the like in the design of the present application within the spirit of the present application as long as they do not depart from the technical effects of the present application. Such variations are intended to be included within the scope of this disclosure as claimed.

Claims

1. The utility model provides a jig, includes loading board, magnetic part and clamp plate, the magnetic part is located the bottom of loading board, the clamp plate is located the loading board top, the magnetic part passes through magnetic force and adsorbs the clamp plate to fix the product the loading board with process its characterized in that between the clamp plate: the jig further comprises a main body, a bottom plate, a guide pillar and a driving device, wherein the main body is fixed between the bearing plate and the bottom plate, a cavity is formed in the main body, the guide pillar and the magnetic part are arranged in the cavity, the guide pillar is fixed between the bearing plate and the bottom plate, the magnetic part is slidably mounted on the guide pillar, and the driving device is used for driving the magnetic part to slide along the guide pillar.

2. The jig of claim 1, wherein: the driving device comprises a moving piece and a pneumatic piece, the moving piece is fixed on one side, away from the bearing plate, of the magnetic piece and is in sealing connection with the inner wall of the main body, and the pneumatic piece is used for changing air pressure of two sides of the moving piece in the cavity so as to drive the moving piece to slide along the guide pillar.

3. The jig of claim 2, wherein: the bearing plate is provided with a first air hole, the bottom plate is provided with a second air hole, the pneumatic piece is used for introducing air through the first air hole so that the magnetic piece is far away from the bearing plate, and the magnetic piece is close to the bearing plate through the second air hole.

4. The jig of claim 2, wherein: and a sealing ring is arranged between the moving piece and the inner wall of the main body.

5. The jig of claim 3, wherein: the jig further comprises an electromagnetic valve, the pneumatic piece is connected with the first air hole and the second air hole through the electromagnetic valve, and the pneumatic piece controls air inflow through the electromagnetic valve so as to control the distance between the magnetic piece and the bearing plate.

6. The jig of claim 1, wherein: the bottom of the bearing plate is provided with a groove, and the groove is used for accommodating the magnetic piece so as to shorten the distance between the magnetic piece and the pressing plate.

7. The jig of claim 1, wherein: the jig further comprises a magnetic sensor, the magnetic sensor is connected with the bearing plate through the bottom of the main body, and the magnetic sensor is used for sensing the magnetic state of the bearing plate.

8. The jig of claim 3, wherein: the bottom of the main body is provided with a third air hole which is communicated with the first air hole, and the pneumatic piece is used for feeding air to the first air hole through the third air hole.

9. The jig of claim 3, wherein: the loading board is provided with a fourth air hole, the fourth air hole is used for facilitating processing of the first air hole, and the fourth air hole is blocked to prevent air leakage in use.

10. The jig of claim 3, wherein: the magnetic part is a permanent magnet.