CN2540254Y

CN2540254Y - Permanent-magnet suction cup

Info

Publication number: CN2540254Y
Application number: CN 02217707
Authority: CN
Inventors: 王秋安; 王安平
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-05-24
Filing date: 2002-05-24
Publication date: 2003-03-19
Anticipated expiration: 2012-05-24

Abstract

The utility model relates to permanent-magnetic sucker technical field, for making the manufacture of panel easy. The utility model comprises a panel element, a polar core element, and a moving device, wherein the polar core element is arranged between the panel element and a bottom board, the polar core element is connected with the moving device which moving the polar core element. The utility model is characterized in that the panel element is composed of laminated and separated magnetic conductive sheets and magnetic buffer sheets which are fixed via locking device. The utility model has simple production, low cost, and easy adjustment, with wide application on permanent-magnetic sucker.

Description

Permanent magnetic chuck

Technical field

The utility model relates to a kind of magnetic suction disc, especially the permanent magnetic chuck technical field.

Background technology

Permanent magnetic chuck is the common tool of Metal Cutting Machine Tool, when Metal Cutting Machine Tool is worked, as sticking, fastening, location workpiece.Traditional permanent-magnet suction cup structure is such, see that the patent No. is 00249424.8 Chinese patent " permanent magnetic chuck ", the panel assembly that its panel magnetic inductive block and panel constitute at interval every magnetic patch, the pole piece assembly, travel mechanism forms, it is characterized in that described pole piece assembly comprises movable pole piece assembly and fixed pole core assembly, described movable pole piece assembly and fixed pole core assembly are made of the pole piece piece that is fixed on the pole piece plate respectively, leave the gap between each pole piece piece, the pole polarity of pole piece piece be upper and lower to, polarity between the two neighboring pole pellet is provided with on the contrary, movable pole piece assembly and fixed pole core assembly are arranged in parallel along the width of permanent magnetic chuck, moving of travel mechanism's operant activity pole piece assembly, this structural design can be brought the convenience on the pole piece plate move operation, make closing and open easily of sucker, effect is better, but its panel still adopts traditional structure, by at interval magnetic inductive block with constitute every magnetic patch, traditional panel is to form with magnetic inductive block at interval and every the weldering of magnetic patch wind, so processing request is than higher, acquire a certain degree of difficulty, manufacturing cost is also than higher, and for manufacturer, because customer requirements difference, its counter plate magnetic inductive block, require different every the magnetic patch spacing, manufacturer adjusts relatively difficulty of production specification, can not very optionally make up, the panel assembly of production different spacing satisfies the needs of different user; Transmission mechanism adopts cam mechanism, and is compact inadequately so mechanism's volume is bigger, and wearing and tearing are also relatively more severe; Magnetic patch adopts the way of inlaying to be fixed on the negative, and volume ratio is bigger, heavy, causes to move and goes up underaction.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of permanent magnetic chuck at prior art, it can reduce the difficulty of processing of panel, make its manufacturing easy to assembly, cost is low, and can adjust the spacing of its magnetic conduction sheet and antifreeze plate easily, be fit to different use occasions, satisfy the different user requirement.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: this kind permanent magnetic chuck, it includes panel assembly, pole piece assembly, travel mechanism, be mounted with the pole piece assembly between panel assembly and the base plate, the pole piece assembly is connected with the travel mechanism that drives it and move, it is characterized in that described panel assembly is magnetic conduction sheet and antifreeze plate space are arranged and to be formed by stacking, again with retaining mechanism with magnetic conduction sheet and the antifreeze plate formation panel assembly that is fixed up.

Above-mentioned retaining mechanism is that magnetic conduction sheet is opened the hole with antifreeze plate in corresponding place, their front ends, rear end are pressed with base plate and pressing plate respectively, base plate is opened screw, the indent through hole left by pressing plate, with double threaded screw magnetic conduction sheet and antifreeze plate are worn, screw on one end of screw rod and the base plate cooperates and is connected, and screw rod end in pressing plate indent through hole is fixed pressing plate with nut; Also can adopt lazy-tongs, it is placed in magnetic conduction sheet with in the lower openings of magnetic, and they are locked.

Above-mentioned magnetic conduction sheet and antifreeze plate can be to be spaced piecewise, also can be that multi-disc is spaced; Clearance filled between the sheet of magnetic conduction sheet and antifreeze plate and the sheet have butter or a resin.

Above-mentioned pole piece assembly is divided into movable pole piece assembly and fixed pole core assembly, and wherein movable pole piece assembly is to adopt to stack magnetic patch at interval successively in the non-magnetic conduction frame and make every bar magnet; On the non-magnetic conduction circle body tooth bar is arranged, this tooth bar and the tooth axle engagement that is fixed on the base, the axle head that the tooth axle is exposed at the base outside can overlap handle, has constituted travel mechanism like this.

Compared with prior art, advantage of the present utility model is: 1, panel is made convenient, cost is low, it is superimposed that it adopts magnetic conduction sheet and antifreeze plate to be spaced, and fixedly forms by retaining mechanism then, do not need wind weldering welding, so process more simple and convenient, cost also descends, and the spacing of magnetic conduction sheet and antifreeze plate can adjust according to the actual use of user needs and produce, to improve the result of use of sucker; 2, clearance filled butter or the resin between magnetic conduction sheet and the antifreeze plate, tooth axle and axis hole are installed sealing ring, can avoid fouls such as water to enter on the magnetic core array, avoid it to get rusty, and prolong its service life; 3, travel mechanism adopts tooth bar and the structure that the tooth axle cooperates, and it is little to have a volume, and compactness is mobile flexible, reliably, does not does not wear and tear; 4, movable pole piece assembly adopts frame structure, and the drawbacks such as the big heaviness of volume of having avoided mosaic texture to bring make it easy to assembly, mobile flexibly reliable.

Description of drawings

The structure cutaway view of Fig. 1 the utility model permanent magnetic chuck;

The side view of Fig. 2 the utility model permanent magnetic chuck;

The panel assembly structure cutaway view of Fig. 3 the utility model permanent magnetic chuck;

Fig. 4 the utility model permanent magnetic chuck is in the magnetic patch Pareto diagram under the suction state;

Fig. 5 the utility model permanent magnetic chuck is in the magnetic loop schematic diagram under the suction state;

Fig. 6 the utility model permanent magnetic chuck is in the magnetic patch Pareto diagram under the non-suction state;

Fig. 7 the utility model permanent magnetic chuck is in the magnetic loop schematic diagram under the non-suction state.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

As Fig. 1,2,3 illustrate, this permanent magnetic chuck, it includes panel assembly 1, the pole piece assembly, travel mechanism, base plate 2 critical piece such as grade and mechanisms, be mounted with the pole piece assembly between panel assembly 1 and the base plate 2, the pole piece assembly is connected with the travel mechanism that drives it and move, the pole piece assembly is divided into fixed pole core assembly 4 and movable pole piece assembly 3, they are that width along base plate 2 is spaced successively, here, the pole piece assembly is divided into 5 rows, wherein 3 rows are fixed pole core assemblies 4,2 rows are movable pole piece assemblies 3, width along base plate 1, both sides and centre are fixed pole core assemblies 4, their structures are the cavitys that forms out on base plate 1, in cavity, be spaced magnetic patch 13 then successively and every bar magnet 14, can adopt copper rod every bar magnet, magnetic patch is preferentially selected ndfeb magnet or SmCo magnetic patch for use, the polarity of magnetic patch faces upward or downward, contiguous magnetic patch pole piece is opposite, in order to prevent to produce leakage field at the magnetic patch of side, the fixed pole core assembly fixed outside in both sides has copper rod 21 to carry out every magnetic.And movable pole piece assembly 3 is to adopt stainless steel frame to make non-magnetic conduction frame, also be spaced magnetic patch in the framework 16 successively and every bar magnet, adopt copper rod to make every bar magnet, magnetic patch also is that polarity faces upward or downward, and adjacent at interval magnetic patch polarity is opposite, framework length cooperates with cavity length on the base plate, the general gap of staying next magnetic patch width in the end of cavity to framework, make movable pole piece assembly under travel mechanism drives, the interval of a magnetic patch of energy move left and right, making the magnetic line of force between the contiguous magnetic patch is to pass panel along sucker length direction or broad ways, thereby make sucker be in suction state or non-suction state, these principle work and structures, please refer to the file of the patent No. 00249424.8, it has very described the operation principle of permanent magnetic chuck in detail, just no longer launches to carry out deep description in order to save space here.Its special character is that panel assembly 1 is with magnetic conduction sheet 5 and the arrangement of antifreeze plate 6 spaces and is formed by stacking that with retaining mechanism magnetic conduction sheet 5 and antifreeze plate 6 being fixed up constitutes panel assembly 1 again, sees Fig. 3.Retaining mechanism is that magnetic conduction sheet 5 is opened the hole with antifreeze plate 6 in corresponding place, their front ends, rear end are pressed with base plate 7 and pressing plate 8 respectively, base plate 7 is opened screw 10, indent through hole 11 left by pressing plate 8, with double threaded screw 9 magnetic conduction sheet and antifreeze plate are worn, screw on one end of screw rod and the base plate cooperates and is connected, and screw rod end in pressing plate indent through hole is fixed pressing plate with nut 12.For the purpose of fixing firmly, its number of through hole is two or three, is symmetry with the center line, opens symmetrically at magnetic conduction sheet with above the antifreeze plate, and screw rod also adopts two or three accordingly simultaneously.Retaining mechanism also can adopt lazy-tongs, and it is placed in below the opening of magnetic conduction sheet antifreeze plate, and they are locked constitutes panel assembly.The lazy-tongs number also can be two or three.Be noted that here magnetic conduction sheet and antifreeze plate can be to be spaced piecewise, also can be that multi-disc is spaced, because magnetic conduction sheet adopts iron plate to make, its thickness specification can be decided to be 1 millimeter or 1.5 millimeters, in like manner, antifreeze plate adopts copper sheet to make, and its thickness remains on 1 millimeter specification, the magnetic conduction sheet spacing is 3 millimeters if desired, the antifreeze plate spacing is 1 millimeter, just can be spaced superimposedly according to two 1.5 millimeters magnetic conduction sheet and a slice antifreeze plate, is locked with stainless steel screw rod nut again, can satisfy our requirement, other specification, and the like, so the assembling of this panel is very convenient, low cost of manufacture, do not need the wind weldering, and can suitably adjust according to actual instructions for use, improve sucker work effect, be fit to the different requirement of various users.For fouls such as anti-sealing enter on the magnetic patch by the gap between panel sheet and the sheet; so clearance filled between magnetic conduction sheet and antifreeze plate have butter or a resin; it can be when wearing magnetic conduction sheet and antifreeze plate; on their surfaces, brush resin or butter; also can be after the monoblock panel is put on, just be immersed in resin or the butter after the locking a little, by vacuumizing processing; make clearance filled butter or the resin gone up between magnetic conduction sheet and the antifreeze plate, play necessary protective effect.The travel mechanism of this permanent magnetic chuck changes on non-magnetic conduction circle body 16 and is mounted with tooth bar 15, this tooth bar and tooth axle 17 engagements that are fixed on the base, the axle head 19 that the tooth axle is exposed at the base outside can overlap handle, between the axis hole 18 on tooth axle 17 and the base sealing ring 20 is installed, people are enclosed within the tooth axle with handle and are exposed on the axle head 19 of base outside, after rotating, handle just drives tooth axle 17 clockwise or rotate counterclockwise, because tooth bar 15 engagements on tooth axle and the framework, with regard to drive activity pole piece assembly 3 move left and right, generally speaking, should move and be controlled at a magnetic patch spacing distance, making the adjacent magnetic patch on the pole piece assembly is to pass panel surface and form magnetic loop along the sucker width or along the sucker length direction, thereby the decision permanent magnetic chuck is suction state or non-suction state.As Fig. 4,5, when the adjacent magnetic patch in the left and right sides forms magnetic loop, this moment, the magnetic line of force was that left and right directions passes through panel surface, so sucker is to be in the suction duty, as Fig. 6,7, when neighbouring magnetic patch formed magnetic loop, this moment, the magnetic line of force was that above-below direction forms magnetic loop along magnetic conduction sheet, so leakage field does not have basically, this moment, sucker was in non-suction state.

Claims

1, a kind of permanent magnetic chuck, it includes panel assembly (1), pole piece assembly, travel mechanism, panel assembly (1) and base plate are mounted with the pole piece assembly between they (2), the pole piece assembly is connected with the travel mechanism that drives it and move, it is characterized in that described panel assembly (1) is magnetic conduction sheet (5) and antifreeze plate (6) space are arranged and to be formed by stacking, again with retaining mechanism with magnetic conduction sheet and the antifreeze plate formation panel assembly (1) that is fixed up.

2, permanent magnetic chuck according to claim 1, it is characterized in that described retaining mechanism is that magnetic conduction sheet (5) is opened the hole with antifreeze plate (6) in corresponding place, their front ends, rear end are pressed with base plate (7) and pressing plate (8) respectively, base plate (7) has screw (10), pressing plate (8) has indent through hole (11), with double threaded screw (9) magnetic conduction sheet and antifreeze plate are worn, screw on one end of screw rod and the base plate cooperates and is connected, and screw rod end in pressing plate indent through hole is fixed pressing plate with nut (12).

3, permanent magnetic chuck according to claim 2 is characterized in that its number of described through hole is two or three, and screw rod (9) also adopts two or three accordingly.

4, permanent magnetic chuck according to claim 1 is characterized in that described retaining mechanism is a lazy-tongs, and it is placed in the lower openings of magnetic conduction sheet and antifreeze plate, and they are locked.

5, permanent magnetic chuck according to claim 4 is characterized in that described lazy-tongs number is two or three.

6, according to claim 1 or 2 or 3 or 4 or 5 described permanent magnetic chucks, it is characterized in that described magnetic conduction sheet (5) and antifreeze plate (6) they can be to be spaced piecewise, also can be that multi-disc is spaced.

7,, it is characterized in that clearance filled between the sheet of described magnetic conduction sheet (5) and antifreeze plate (6) and the sheet butter or resin being arranged according to claim 1 or 2 or 3 or 4 or 5 described permanent magnetic chucks.

8, permanent magnetic chuck according to claim 1, it is characterized in that described pole piece assembly is divided into movable pole piece assembly (3) and fixed pole core assembly (4), wherein movable pole piece assembly is to adopt to stack magnetic patch at interval successively in the non-magnetic conduction circle body (16) and make every bar magnet.

9, permanent magnetic chuck according to claim 8, it is characterized in that there is tooth bar (15) in described travel mechanism on the non-magnetic conduction circle body (16), this tooth bar and tooth axle (17) engagement that is fixed on the base, the axle head (19) that the tooth axle is exposed at the base outside can overlap handle.

10, permanent magnetic chuck according to claim 9 is characterized in that between the axis hole (18) on described tooth axle (17) and the base (2) sealing ring (20) being installed.