CN2167075Y - Magnetic suction means - Google Patents
Magnetic suction means Download PDFInfo
- Publication number
- CN2167075Y CN2167075Y CN 93225855 CN93225855U CN2167075Y CN 2167075 Y CN2167075 Y CN 2167075Y CN 93225855 CN93225855 CN 93225855 CN 93225855 U CN93225855 U CN 93225855U CN 2167075 Y CN2167075 Y CN 2167075Y
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- CN
- China
- Prior art keywords
- pole piece
- panel
- permanent magnet
- permanent magnets
- magnet chuck
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model provides a permanent magnetic chuck. In the existing permanent magnetic chuck, permanent magnetic blocks are all arranged on pole shank components, so the pole shank components have greater volume and the operation of the operating force of the movement of the pole shank component is greater. In the permanent magnetic chuck of the utility model, one permanent magnetic block is divided into two parts. One part is fixed to a panel component, thus the volume and the of the pole shank component are reduced, and the operation of the operating force of the movement of the pole shank component is reduced.
Description
The utility model relates to a kind of magnetic suction disc, relates in particular to a kind of permanent magnet chuck.
Permanent magnet chuck is applied to do on the metal working stock removing machine workpiece sticking, fastening, location usefulness usually.In Chinese utility model patent 90222660.6, disclosed a kind of permanent magnet chuck.Referring now to Fig. 1, Fig. 2,, this permanent magnet chuck comprises panel 101, pole piece 102 and makes the cam mechanism (not shown) of pole piece 102 with respect to panel 101 sway.Panel 101 is made up of every magnetic patch 101B the panel magnetic inductive block 101A and the panel that are provided with at interval; Pole piece 102 is made up of the pole piece magnetic inductive block 102A and the pole piece permanent magnets 102B that are provided with at interval.The polarity of the pole piece permanent magnets 102B of pole piece 102 as shown in Figure 1 and Figure 2, promptly the polarity of two adjacent pole piece permanent magnets opposite sides is identical.When panel 101 and pole piece 102 position as shown in Figure 1 time the each other, its magnetic line of force as shown in phantom in Figure 1, magnetic line of force sends from the pole piece permanent magnets 102BN utmost point, through pole piece magnetic inductive block 102A, panel magnetic inductive block 101A and be positioned at the space on panel 101 tops, walk around panel every magnetic patch 101B again through the panel magnetic inductive block 101A of opposite side, the S utmost point that pole piece magnetic inductive block 102A returns pole piece permanent magnets 102B.Like this, have magnetic field to exist at panel 101 superjacent air spaces, workpiece placed on it can be by sticking, and permanent magnet chuck is in running order.
If the pole piece 102 of permanent magnet chuck moves a distance formation position as shown in Figure 2 under the manipulation of cam mechanism, the magnetic line of force of this moment is shown in the dotted line among Fig. 2, the magnetic line of force of each pole piece magnetic inductive block 102A forms closed magnetic circuit through the panel magnetic inductive block 101A of its top, do not have magnetic field at panel 101 superjacent air spaces, make permanent magnet chuck be in closed condition.
From top description as can be known, permanent magnet chuck semi-closure state and conversion of operation state are to realize by an about half-distance that makes pole piece translation panel magnetic inductive block thickness, and the translation pole piece is finished by cam mechanism.The holding force that increases permanent magnet chuck certainly will increase the volume of pole piece permanent magnets 102B, thereby has correspondingly also increased the actuating force that makes the pole piece translation.This has limited the holding force of further raising permanent magnet chuck.
The purpose of this utility model is to provide a kind of less permanent magnet chuck of actuating force that can make the pole piece translation.Permanent magnet chuck of the present utility model is compared with existing permanent magnet chuck, under the situation that produces onesize holding force.The pole piece parallel shift maneuver power of permanent magnet chuck of the present utility model is significantly smaller than existing permanent magnet chuck.
Design of the present utility model is such.The pole piece of traditional permanent magnet chuck in height is divided into two parts up and down, wherein above a part be fixed on the panel, as a part of panel, below a part as pole piece.When the state of conversion permanent magnet chuck, as long as the pole piece that the translation volume has reduced.Therefore can reduce the actuating force of translation pole piece greatly.
Permanent magnet chuck of the present utility model, comprise panel assembly, thereby pole piece assembly and make described pole piece assembly make permanent magnet chuck be in the pole piece assembly travel mechanism of work or closed condition with respect to the panel assembly translation, described pole piece assembly comprises spaced a plurality of pole piece magnetic inductive block and a plurality of pole piece permanent magnets, described pole piece permanent magnets is with the permanent magnet chuck longitudinal magnetization, the opposite face polarity of described two neighboring pole core permanent magnets is identical, it is characterized in that described panel assembly comprises a plurality of panel magnetic inductive blocks, a plurality of panels are every magnetic patch and a plurality of panel permanent magnets, and described panel magnetic inductive block is by last, the described panel of following setting separates every magnetic patch and described panel permanent magnets; Described panel permanent magnets is with the permanent magnet chuck longitudinal magnetization, and the opposite face polarity of described two adjacent surfaces plate permanent magnets is identical, and the thickness of described panel magnetic inductive block is identical with described pole piece magnetic inductive block thickness.
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing.
Fig. 1, Fig. 2 are the structural representations of known permanent magnet chuck; Permanent magnet chuck shown in Fig. 1 is in running order; Permanent magnet chuck shown in Fig. 2 is in closed condition;
Fig. 3 is the front view of the panel assembly in the permanent magnet chuck of the present utility model; The right side has been done to analyse and observe among the figure;
Fig. 4 is the upward view of Fig. 3;
Fig. 5 is the birds-eye view of Fig. 3, and the part has been done to analyse and observe among the figure;
Fig. 6 is the sectional plan view of the pole piece assembly in the permanent magnet chuck of the present utility model;
Fig. 7 is the birds-eye view of Fig. 6;
Fig. 8 is the structural representation of permanent magnet chuck of the present utility model; Made semi-sictional view among the figure;
Fig. 9 is the cutaway view along Fig. 8 A-A line;
Figure 10 is the cutaway view along Fig. 9 B-B line;
Figure 11 is the cutaway view along Figure 10 C-C line;
Figure 12 is the magnetic circuit scheme drawing of permanent magnet chuck of the present utility model when in running order;
Figure 13 is the magnetic circuit scheme drawing of permanent magnet chuck of the present utility model when being in closed condition.
Permanent magnet chuck of the present utility model comprises panel assembly, pole piece assembly and pole piece assembly travel mechanism, describes the structure of each parts and the annexation between each parts respectively in detail below in conjunction with above-mentioned each accompanying drawing.
Referring to Fig. 3, Fig. 4, Fig. 5, Fig. 3, Fig. 4 and Fig. 5 are respectively panel assembly 1 front view, upward view and birds-eye view.As shown in FIG., panel assembly 1 comprises that a plurality of panel magnetic inductive blocks 11, a plurality of panel are every magnetic patch 12 and a plurality of panel permanent magnets 13.Panel magnetic inductive block 11 is spaced every magnetic patch 12 and panel permanent magnets 13 with panel, be panel every magnetic patch 12 and panel permanent magnets 13 between two adjacent surfaces plate magnetic inductive block 11, panel is arranged above and below every magnetic patch 12 and panel permanent magnets 13, and panel is positioned on the panel permanent magnets 13 every magnetic patch 12.At the two ends, the left and right sides of panel assembly 1 left fixed block 14 and right fixed block 15 are arranged, dowel screw 16 passes across left fixed block 14, each panel magnetic inductive block 11, each panel every magnetic patch 12 and right fixed block 15, and they are fixed together.Be provided with two side adapter plates 17 in the both sides, front and back of panel assembly 1, screw 17A is arranged on the side adapter plate 17, fixing by screw (not shown) and panel magnetic inductive block 11.
Referring to Fig. 6, Fig. 7, Fig. 6, Fig. 7 are respectively the front view and the birds-eye view of pole piece assembly 3.As shown in FIG., pole piece assembly 3 comprises a plurality of pole piece permanent magnets 31 and a plurality of pole piece magnetic inductive block 32, pole piece permanent magnets 31 and pole piece magnetic inductive block 32 alternate being arranged on the base plate 33, and fixing with base plate 33.Be provided with two guide plates 34 in the both sides, front and back of pole piece assembly 3, guide plate 34 is provided with a plurality of cylindrical rollers 35.The plane of cylindrical roller 35 is a little more than the plane of pole piece permanent magnets 31 and 32 formation of pole piece magnetic inductive block.Right-hand member at pole piece assembly 3 is provided with the connection support 36 that is framed structure, and this connection support 36 is connected on the panel magnetic inductive block by screw 37.Eccentric shaft in the pole piece assembly travel mechanism that the frame shape of this connection support 36 and back will be described is complementary, and the connection between them will be described in more detail below.
Below in conjunction with Fig. 8 and Fig. 9 assembly relation between panel assembly 1 and the pole piece assembly 3 is described.As Fig. 8, shown in Figure 9, panel assembly 1 is positioned at above the pole piece assembly 3, and two side adapter plates 17 of panel assembly 1 contact with cylindrical roller 35 on two guide plates 34 of pole piece assembly 3, so can relatively move between panel assembly 1 and the pole piece assembly 3.Pole piece assembly travel mechanism 5 is arranged on the permanent magnet chuck right side.As shown in figure 10, pole piece assembly travel mechanism 5 comprises the bearing 53 of an eccentric shaft 51, axle bed 52 and plurality of fixed eccentric shaft 51, axle bed 52 is fixed on the panel assembly 1, there is as shown in figure 11 an eccentric shaft part 54 at the middle part of eccentric shaft 51, this off-centre shaft part 54 is positioned at the connection support 36 that is frame shape that shape matches with it, rotation along with eccentric shaft 51, this off-centre shaft part 54 will drive connection support 36 and move with left and right directions shown in Figure 9, thereby make the pole piece assembly 3 that is connected support 36 captive joints with this with respect to panel assembly 1 sway.As shown in figure 10, be with flat key 55 and packing ring 56 at eccentric shaft 51 left ends, by screw 57 flat key 55 be fixed on the eccentric shaft 51, eccentric shaft 51 can not be pulled out from axle bed 52 like this.Be with retaining ring 58 and handle set 59 at the right-hand member of compiling axle 51, on handle set 59, can put a handle (not shown), eccentric shaft 51 is rotated by handle.
As Fig. 8, Fig. 9 and shown in Figure 10, permanent magnet chuck also comprises a pedestal 7, and pole piece assembly 3 and pole piece assembly travel mechanism 5 all are positioned on the pedestal 7, and pedestal 7 is fixed on the panel assembly 1 by socket head cap screw 71.Upper surface at panel assembly 1 can cover one deck by the plate washer of making such as non-magnetic materials such as corrosion-resistant steels 9, treats that the workpiece of sticking is positioned on this plate washer 9.
Panel magnetic inductive block recited above and pole piece magnetic inductive block can be made with dead-soft steel, and panel can be made with non-magnetic materials such as copper coins every magnetic patch, and panel permanent magnets and pole piece permanent magnets can be with making such as rare earth permanent-magnetic materials such as Nd-Fe-Bo permanent magnet materials.
The principle of work of permanent magnet chuck of the present utility model is described below in conjunction with Figure 12, Figure 13.Figure 12 shows the magnetic circuit of permanent magnet chuck of the present utility model when in running order.As shown in figure 12, panel permanent magnets 13 in the panel assembly 1 and the pole piece permanent magnets 31 in the pole piece assembly 3 are with its thickness direction magnetization, the opposite face polarity of two adjacent panel permanent magnets 13 is identical, the opposite face polarity of two adjacent pole piece permanent magnets 31 is also identical, and promptly permanent magnets is provided with at interval with opposite magnetic polarity.The thickness of panel magnetic inductive block 11 is identical with the thickness of pole piece magnetic inductive block 32, and panel equates every the thickness of magnetic patch 12, panel permanent magnets 13 and pole piece permanent magnets 31.When permanent magnet chuck of the present utility model is in running order, two neighbours' panel permanent magnets 13 is identical with the polarity of pole piece permanent magnets 31 homonymies up and down, like this, the N utmost point of panel permanent magnets 13 sends magnetic line of force, through the superjacent air space of panel magnetic inductive block 11, panel assembly 1, return the S utmost point of panel permanent magnets 13 again through the panel magnetic inductive block 11 of opposite side; Equally, magnetic line of force is from the N utmost point of pole piece permanent magnets 31, through the superjacent air space of pole piece magnetic inductive block 32, panel magnetic inductive block 11 and panel assembly 1, the S utmost point (magnetic line of force is as shown in phantom in FIG.) that returns pole piece permanent magnets 31 through the panel magnetic inductive block 11 and the pole piece magnetic inductive block 32 of opposite side again.Therefore, have magnetic field above panel assembly 1, the energy sticking firmly is positioned at the object on the panel assembly 1.
If, make pole piece assembly 3 move the thickness of a magnetic inductive block with respect to panel assembly 1 by pole piece assembly travel mechanism, then the relative position of panel permanent magnets 13 and pole piece permanent magnets 31 as shown in figure 13, the polarity of promptly neighbouring panel permanent magnets 13 and pole piece permanent magnets 31 homonymies is different.Like this, the magnetic line of force that sends from the panel permanent magnets 13N utmost point is through panel magnetic inductive block 11 and the pole piece magnetic inductive block 32 S utmost point to pole piece permanent magnets 31; The magnetic line of force that sends from the pole piece permanent magnets 31N utmost point is through pole piece magnetic inductive block 32 and the panel magnetic inductive block 11 S utmost point to panel permanent magnets 13, thereby forms magnetic loop.Therefore, do not have magnetic field at the superjacent air space of panel assembly 1 and exist, permanent magnet chuck is in closed condition.
In conjunction with the embodiments the utility model has been done detailed description above, by as can be seen above-mentioned, compare with existing permanent magnet chuck, under the equal-sized situation of holding force that produces, pole piece assembly volume in the permanent magnet chuck of the present utility model is little, and it is also little therefore to handle its actuating force that moves.So it is light that the utility model permanent magnet chuck is handled.On the other hand, the eccentric shaft of pole piece assembly travel mechanism supports with bearing, therefore rotates flexibly long service life.
Claims (6)
1, a kind of permanent magnet chuck, comprise panel assembly, thereby pole piece assembly and make described pole piece assembly make permanent magnet chuck be in the pole piece assembly travel mechanism of work or closed condition with respect to the panel assembly translation, described pole piece assembly comprises spaced a plurality of pole piece magnetic inductive block and a plurality of pole piece permanent magnets, described pole piece permanent magnets is with the permanent magnet chuck longitudinal magnetization, the opposite face polarity of described two neighboring pole core permanent magnets is identical, it is characterized in that described panel assembly comprises a plurality of panel magnetic inductive blocks, a plurality of panels are every magnetic patch and a plurality of panel permanent magnets, and described panel magnetic inductive block is by last, the described panel of following setting separates every magnetic patch and described panel permanent magnets; Described panel permanent magnets is with the permanent magnet chuck longitudinal magnetization, and the opposite face polarity of described two adjacent surfaces plate permanent magnets is identical, and the thickness of described panel magnetic inductive block is identical with described pole piece magnetic inductive block thickness.
2, permanent magnet chuck as claimed in claim 1 is characterized in that described pole piece permanent magnets and described panel permanent magnets made by rare earth permanent-magnetic material.
3, permanent magnet chuck as claimed in claim 2 is characterized in that described rare earth permanent-magnetic material is a Nd-Fe-Bo permanent magnet material.
4, permanent magnet chuck as claimed in claim 1 is characterized in that described pole piece assembly travel mechanism comprises an eccentric shaft, and described eccentric shaft is by the bearing support, and described eccentric shaft has an eccentric shaft part, and the eccentric shaft part of described eccentric shaft links to each other with described pole piece assembly.
5, permanent magnet chuck as claimed in claim 1 is characterized in that being coated with one deck baffle plate on described panel assembly.
6, permanent magnet chuck as claimed in claim 5, described baffle plate are stainless steel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93225855 CN2167075Y (en) | 1993-06-12 | 1993-06-12 | Magnetic suction means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93225855 CN2167075Y (en) | 1993-06-12 | 1993-06-12 | Magnetic suction means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2167075Y true CN2167075Y (en) | 1994-06-01 |
Family
ID=33803571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93225855 Expired - Lifetime CN2167075Y (en) | 1993-06-12 | 1993-06-12 | Magnetic suction means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2167075Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107717586A (en) * | 2017-11-21 | 2018-02-23 | 深圳市爱科华电子有限公司 | A kind of array-type permanentmagnet suction cup |
-
1993
- 1993-06-12 CN CN 93225855 patent/CN2167075Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107717586A (en) * | 2017-11-21 | 2018-02-23 | 深圳市爱科华电子有限公司 | A kind of array-type permanentmagnet suction cup |
| CN107717586B (en) * | 2017-11-21 | 2023-11-14 | 深圳市爱科华电子有限公司 | Matrix permanent magnet sucker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHANG ZHANMING Free format text: FORMER NAME OR ADDRESS: CHEN JUNTAI |
|
| CP01 | Change in the name or title of a patent holder |
Patentee after: Zhang Zhanming Patentee before: Chen Juntai |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |