CN102384150A

CN102384150A - Strong chuck

Info

Publication number: CN102384150A
Application number: CN2010102805149A
Authority: CN
Inventors: 靳海峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-09-05
Filing date: 2010-09-05
Publication date: 2012-03-21

Abstract

The invention discloses a strong chuck which comprises a chuck body used for being absorbed on the smooth surface, a base matched with the chuck body and a connecting rod playing a connecting role, wherein the chuck body is made of a deformable elastic material. The strong chuck is characterized in that at least one annular soft body is arranged on the surface of the chuck body, which is in contact with the smooth surface; the hardness of the annular soft body is less than that of the chuck body; the center of the base is provided with a through hole matched with the connecting rod, a fixed disk embedded in the chuck body is fixedly connected to one end of the connecting rod, the other end of the connecting rod penetrates through the through hole of the base and then is provided with a rotating base in a connecting manner; and a bearing device used for hanging or fixing an object is arranged between the center and the edge of the outer surface of the base. The strong chuck disclosed by the invention has the advantages of increasing the weight of the object hung on the chuck, being capable of effectively preventing the dropping of the chuck, ensuring the strong connection of the connecting rod and the chuck body, and increasing the weight of the hung object.

Description

A kind of powerful electromagnetic chuck

Technical field

The present invention relates to a kind of powerful electromagnetic chuck, in particular, relate in particular to a kind of being provided with and to prevent effectively that ambient atmosphere from entering into the powerful electromagnetic chuck of sucker and the formed cavity of smooth flat.

Background technique

In daily life, sucker on being adsorbed on smooth ground after, be used for hanging different article, be used for it and metope is not produced destroy and reusable, application area is very extensively.But to be exactly adsorption force not strong and of long duration can come off for the shortcoming that existing sucker exists, and makes that they should not the bigger article of suspended weights, unsuitable long-time suspended item, this just big limitations the using scope of existing sucker.Trace it to its cause, because existing sucker is less with the area of contact of metope, cause sucker to exist suspension upward after the weight, the frictional force of receiving on the unit area parallel with metope is bigger, reason that sucker why of long duration comes off easily that Here it is; Be exactly in addition on the existing sucker with the sucker of metope absorption and the poor sealing of front, can form certain small ventilative gap, of long duration, the air of outside can enter into the cavity between sucker and the front, causes sucker to drop.

Summary of the invention

The present invention provides a kind of being provided with can prevent effectively that ambient atmosphere from entering into the powerful electromagnetic chuck of sucker and the formed cavity of smooth flat in order to overcome the shortcoming of above-mentioned technical problem.

Powerful electromagnetic chuck of the present invention; The connecting rod that comprises the sucker that is used to be adsorbed on the smooth surface, the pedestal that matches with sucker and an interconnect function; Said sucker is processed by deformable elastic material; Its specialization is: the contacted surface of described sucker and smooth surface is provided with at least one annular soft body, and the hardness of the soft body of said annular is less than the hardness of sucker; The central position of said pedestal has the through hole that matches with connecting rod; One end of said connecting rod is fixedly connected with the fixed tray that is embedded in the sucker; Be connected with nut after the through hole of the other end of connecting rod on pedestal, this nut and connecting rod are for being threaded.The effect of sucker is to be adsorbed on the smooth surface, and principle is after the gas in the cavity is excluded between sucker and smooth surface, relies on extraneous barometric pressure to fix sucker and pedestal; Pedestal plays and is fixed on the purpose on the smooth surface to sucker, pedestal through with the cooperating of sucker, realize fixedly securing of sucker.In the process of using,, can realize that connecting rod moves to the sucker direction, thereby discharge the gas between sucker and the smooth flat through swivel nut; Again through rotating nut round about, can realize connecting rod to moving, thereby make and form vacuum between sucker and the smooth flat that what sucker can be firm under the atmospheric effect in the external world is adsorbed on the smooth flat away from the sucker direction.It is in order to prevent that ambient atmosphere from entering into sucker and the formed cavity of smooth flat less than the purpose of the annular soft body of sucker that hardness is set on sucker; Make sucker of the present invention more firm, under long-time situation about using, also can not drop.The order of the fixed tray be fixedly connected with connecting rod is set in sucker, can be evenly distributed on the sucker, make the stressed more even of sucker, help improving the soundness and the serviceability of sucker effectively the gravity of the suffered article of bearing device.

Further; In order to strengthen the fixation between sucker and the smooth flat; Said sucker comprises that the cross section that is positioned at central authorities is that the concave body of arc and the surface that is positioned at the concave body periphery are the plane body on plane; This plane body is provided with the sucker groove that matches with annular soft body, and the degree of depth of this sucker groove is less than the thickness of the soft body of annular; Said pedestal be provided with sucker on the planar support body that matches of plane body; The outer periphery that is positioned at sucker on this planar support body is equipped with base recess; Be provided with the annular friction body in this base recess; The degree of depth of said base recess is less than the thickness of annular friction body, and the outer surface of said annular friction body and the outer surface of the plane body on the sucker are positioned at same plane.The purpose that the annular friction body is set in the periphery of sucker is in order to increase the area of contact between whole sucker and the smooth flat; The frictional force of carrying smooth flat suffered under the article situation of identical gravity at sucker so just has been distributed on annular friction body and the sucker; And be not only to have sucker to bear; This just makes the power that receives on the unit area of sucker and smooth flat connecting part greatly reduce, and helps more keeping sucker to be fixed on the smooth flat for a long time.The sucker groove that matches with annular soft body is set on sucker, can guarantees the firm of annular soft body ten minutes, also can make things convenient for the setting of annular soft body.Guarantee the thickness of the degree of depth of base recess less than the annular friction body; The upper surface that just is equivalent to annular friction body and sucker all is higher than the upper surface of pedestal, has so just avoided contacting at the bigger situation bottom base of annular friction body and sucker amount of deformation and smooth metope.

Further, said pedestal is provided with coupler body, and this coupler body and pedestal are structure as a whole, and the tie point of said coupler body and pedestal is 1/4th to 1/2nd of a pedestal radius apart from the axial line distance of connecting rod.The tie point of coupler body and pedestal is not arranged on the center of pedestal outer surface; And be arranged on the base-plates surface of distance center certain distance, because the intermediate portion of pedestal is protruding, if be arranged on center position to the tie point of coupler body and pedestal; The arm of force is maximum; The moment that so identical weight produced also is maximum, if the point bottom of pedestal as fulcrum, the suffered wall friction power power in the upper end of pedestal is also bigger; The tie point of coupler body and pedestal is 1/4th to 1/2nd of a pedestal radius apart from the axial line distance of connecting rod; Make the arm of force become less, required active force is also just little, help improving can hanging object maximum weight.

Further; The contacted surface of said sucker and pedestal is provided with first annular protrusion and second annular protrusion, and the projection on sucker and the contacted surface of smooth flat of said first annular protrusion and second annular protrusion is positioned at the both sides of annular soft body.This just be equivalent to the soft body facing surfaces of annular on be provided with two annular protrusions; Be provided with after first annular protrusion and second annular protrusion; Help extruding more, help keeping the sealing between annular soft body and the smooth flat the soft body of annular.

Further; In order to increase the interconnect function between connecting rod and the sucker, avoid just division between little situation lower link of article gravity and sucker, powerful electromagnetic chuck of the present invention; Described fixed tray is an annular, is increased progressively successively by the edge of the fixed tray thickness to the center fixation dish of fixed tray; Offering at least three fixed holes on the said fixed tray, is the elastic material that plays the effect of fixing sucking disk body that is structure as a whole with sucker in the fixed hole.Be arranged to fixed tray the structure that increases successively to the thickness of the center fixation dish of fixed tray by the edge of fixed tray; The intensity that not only can guarantee sucker is unaffected; Can guarantee also that connecting rod and sucker are strong is connected; Increased whole sucker can suspended item weight, make it satisfy the more applications occasion.The purpose that at least three fixed holes are set on fixed tray is for better fixedly fixed tray, prevents relatively moving between fixed tray and the sucker.

Further, powerful electromagnetic chuck of the present invention, the quantity of the soft body of said annular is one or two.One or two annular soft body is set prevents effectively that ambient atmosphere from entering into the cavity between sucker and the smooth flat.

The invention has the beneficial effects as follows: sucker of the present invention; Sucker is provided with annular soft body with the surface of the smooth flat connecting part that is adsorbed; Prevented that effectively ambient atmosphere from entering into sucker and the formed cavity of smooth flat; Not only increased sucker can suspended item weight, and can also effectively prevent coming off of sucker; The present invention also can be designed to the form of hook with sucker, and the tie point of coupler body and pedestal is arranged between the central point and edge of pedestal, has reduced to be draped the arm of force that article produced effectively, and the Item Weight that makes hook of the present invention to hang is bigger; The present invention the periphery of sucker also can be provided with increase and smooth flat between the annular friction body of area of contact, effectively reduced stressed on the unit area of sucker and smooth flat connecting part, the soundness that further increased sucker; Be embedded into the fixed tray in the sucker, can be designed to by the edge of fixed tray, guaranteed that connecting rod and sucker are strong to be connected to the structure that the thickness of the center fixation dish of fixed tray increases successively, increased whole sucker can suspended item weight.

Description of drawings

Fig. 1 is first kind of embodiment's of the present invention sectional view;

Fig. 2 is first kind of embodiment's of the present invention structural representation;

Fig. 3 is the structural representation of the each several part of powerful electromagnetic chuck of the present invention;

Fig. 4 is second kind of embodiment's of the present invention sectional view;

Fig. 5 is the structural representation of sucker among second kind of embodiment of the present invention;

Fig. 6 is the sectional view of connecting rod of the present invention and fixed tray;

Fig. 7 is the structural representation of connecting rod of the present invention and fixed tray;

Among the figure: 1 sucker, 2 pedestals, 3 connecting rods, 4 coupler bodies, 5 annular soft bodies, 5-1 first annular protrusion, 5-2 second annular protrusion, 6 annular friction bodies, 7 fixed trays, 8 nuts, 9 fixed holes, 10 sucker grooves, 11 base recess.

Embodiment

Below in conjunction with accompanying drawing and embodiment the present invention is described further.

Embodiment 1; Fig. 1 and Fig. 2 have provided first kind of embodiment's of the present invention structural representation; Fig. 3 has provided the structural representation of each several part, and the powerful electromagnetic chuck in the present embodiment comprises sucker 1, pedestal 2, connecting rod 3, coupler body 4, annular soft body 5, annular friction body 6, fixed tray 7, nut 8.Shown sucker 1 is whole circular, and the periphery is the plane body of annular, is used for contacting with the smooth flat body, and the cross section of middle body is an arc.On the plane body of sucker 1, be fixed with annular soft body 5; The hardness of the soft body 5 of annular is less than the hardness of sucker 1; With the firm soft body 5 of stationary annular is fixed, sucker 1 is provided with the sucker groove 10 that matches with annular soft body 5 for ease, and the degree of depth of sucker groove 10 is less than the thickness of the soft body 5 of annular; So that annular soft body 5 is with after sucker groove 10 cooperates, some is positioned at the top on sucker 1 surface annular soft body 5.In the process of making, can the soft body 5 of annular firmly be embedded in the sucker groove 10.The soft body 5 of annular more is easy to the smooth flat plane contact and forms sealing; Under the atmospheric pressure in the external world; Annular soft body 5 and smooth flat have just effectively prevented the entering of ambient atmosphere after forming and combining closely, and whole sucker 1 is being adsorbed on the smooth flat tightly just.The periphery of pedestal 2 for sucker 1 on the planar support body that matches of plane body; The central position of pedestal 2 is the concave body of arc for the cross section that matches with the central position of sucker 1, has the through hole that matches with connecting rod 3 at the center position of pedestal 2; Planar support body on the pedestal 2 is provided with base recess 11, and base recess 11 is positioned at the periphery of sucker 1.That is to say that with after pedestal 2 matches, the periphery of pedestal 2 also has the groove of an annular at sucker 1.Be provided with annular friction body 6 in this annular groove; The degree of depth of base recess 11 is less than the thickness of annular friction body 6; Like this in annular friction body 6 and sucker 1 and process that smooth flat contacts; Even certain decrement is arranged, also can not contacting with smooth flat of pedestal 2 helps keeping good sealing property.Surface of contact between annular friction body 6 and the smooth flat is the plane; And the surface of the plane body of the surface of annular friction body 6 and sucker 1 is in same plane; Like this in sucker 1 and process that smooth flat contacts; The outer surface of annular friction body 6 also can contact with smooth flat, also just to be equivalent to the area of contact increase of whole sucker in smooth flat, receives at sucker under the situation of same frictional force; The frictional force that receives on sucker 1 and the contacted unit area of smooth flat just reduces, and makes sucker can carry the bigger weight of gravity.

Shown connecting rod 3 is connected with fixed tray 7 after the through hole of pedestal 2 central positions, when making, can be made of one structure to connecting rod 3 and fixed tray 7.Fixed tray 7 is embedded in the sucker 1; Structure such as Fig. 6 and shown in Figure 7 of connecting rod 3 and fixed tray 7, shown fixed tray 7 are circular, the thin edge of fixed tray 7; Thick middle; The edge that is fixed tray 7 increases to the thickness of the center fixation dish of fixed tray successively, so just can guarantee the soundness of fixed tray 7, makes its also frangible not under the situation that receives big pulling force.Have three fixed holes 9 on the shown fixed tray 7, the quantity of fixed hole 9 is indefinite, also can offer a plurality of greater than three, in order to guarantee fixed tray 7 higher intensity is arranged, and the quantity of fixed hole 9 is difficult for too much.In the process of making, the inside of fixed hole 9 is the elastic material that is structure as a whole with sucker 1, has so just realized the purpose that fixed tray 7 and sucker 1 fix.

Be connected with nut 8 after the through hole of the other end of connecting rod 3 on pedestal 2, connecting rod 3 and nut 8 are for being threaded, in the process of using, through can realize the flexible of connecting rod 3 to different direction rotating nut 8.Might as well suppose when clockwise rotating nut 8, can realize that connecting rod 3 moves to sucker 1 direction, in the time of can realizing discharging the air between sucker 1 and the smooth flat,, reach the purpose of exhausting air through clockwise rotating nut 8.When between needs are sucker 1 and smooth flat, forming vacuum, another mistake hour hands rotating nut 8 can be realized the motion of connecting rod 3 away from sucker 1, and then has reached the purpose that forms vacuum between sucker 1 and the smooth flat.Coupler body 4 is fixedly installed on the pedestal 2; Coupler body 4 is structure as a whole with pedestal 2; The tie point of coupler body 4 and pedestal 2 is radius half the of pedestal 2 apart from the distance of the axis of connecting rod 3; So that guarantee that the suspension arm of force that weight produced is less, certainly the tie point of coupler body 4 and pedestal 2 also can be arranged on the distance apart from the axis of connecting rod 3 be pedestal 2 radius 1/4th to 1/2nd between other position.

Embodiment 2; Fig. 4 and Fig. 5 have provided second kind of embodiment's of powerful electromagnetic chuck of the present invention structural representation; As shown in the figure, be provided with first annular protrusion (5-1) and second annular protrusion (5-2) with the soft body 5 relative faces of annular, between lucky displacement first annular protrusion of projection (5-1) and second annular protrusion (5-2) that annular soft body 5 is gone up over there; So just in the process of using; Can guarantee first annular protrusion (5-1) and second annular protrusion (5-2) can the soft body 5 of annular tightly press to the smooth flat that sucker 1 is contacted, help forming between sucker and the smooth flat vacuum space of sealing more, kept the soundness of sucker.Remaining structure all with embodiment 1 in structure identical.

Above-mentioned two kinds of embodiments provide concrete structure of the present invention, but protection scope of the present invention are not limited, and the improvement identical in fact with protection domain of the present invention that those skilled in the art has done is all within protection scope of the present invention.

Claims

1. powerful electromagnetic chuck; The connecting rod (3) that comprises the sucker (1) that is used to be adsorbed on the smooth surface, the pedestal (2) that matches with sucker (1) and an interconnect function; Said sucker (1) is processed by deformable elastic material; It is characterized in that: described sucker (1) is provided with at least one annular soft body (5) with the contacted surface of smooth surface, and the hardness of the soft body of said annular (5) is less than the hardness of sucker (1); The central position of said pedestal (2) has the through hole that matches with connecting rod (3); One end of said connecting rod (3) is fixedly connected with the fixed tray (7) that is embedded in the sucker (1); Be connected with nut (8) after the through hole of the other end of connecting rod (3) on pedestal (2), this nut (8) and connecting rod (3) are for being threaded.

2. powerful electromagnetic chuck according to claim 1; It is characterized in that: said sucker (1) comprises that the cross section that is positioned at central authorities is that the concave body of arc and the surface that is positioned at the concave body periphery are the plane body on plane; This plane body is provided with the sucker groove (10) that matches with annular soft body (5), and the degree of depth of this sucker groove (10) is less than the thickness of the soft body of annular (5); Said pedestal (2) be provided with sucker (1) on the planar support body that matches of plane body; The outer periphery that is positioned at sucker (1) on this planar support body is equipped with base recess (11); Be provided with annular friction body (6) in this base recess (11); The degree of depth of said base recess (11) is less than the thickness of annular friction body (6), and the outer surface of the plane body on the outer surface of said annular friction body (6) and the sucker (1) is positioned at same plane.

3. powerful electromagnetic chuck according to claim 1 and 2; It is characterized in that: said pedestal (2) is provided with coupler body (4); This coupler body (4) is structure as a whole with pedestal (2), and the tie point of said coupler body (4) and pedestal (2) is 1/4th to 1/2nd of pedestal (a 2) radius apart from the axial line distance of connecting rod (3).

4. powerful electromagnetic chuck according to claim 1 and 2; It is characterized in that: said sucker (1) is provided with first annular protrusion (5-1) and second annular protrusion (5-2) with the contacted surface of pedestal (2), and said first annular protrusion (5-1) and the projection of second annular protrusion (5-2) on sucker and the contacted surface of smooth flat are positioned at the both sides of annular soft body (5).

5. powerful electromagnetic chuck according to claim 1 and 2 is characterized in that: described fixed tray (7) is annular, is increased progressively successively by the edge of fixed tray (7) thickness to the center fixation dish of fixed tray (7); Offering at least three fixed holes (9) on the said fixed tray (7), is the elastic material that plays fixing sucking disk body (1) effect that is structure as a whole with sucker (1) in the fixed hole (9).

6. powerful electromagnetic chuck according to claim 1 and 2 is characterized in that: the quantity of the soft body of said annular (5) is one or two.