Electric permanent magnetic chuck for metal cutting machining

Abstract

The utility model relates to the technical field of electro-permanent magnetic chucks, in particular to an electro-permanent magnetic chuck for metal cutting, which comprises an electro-permanent magnetic chuck component, the bottom end of the electro-permanent magnetic chuck component is fixedly connected with a bearing seat, the upper end of the electro-permanent magnetic chuck component is fixedly connected with a displacement driving component, and one side of the displacement driving component is fixedly connected with a lifting component. The displacement driving assembly comprises a frame, a rail groove is formed in the inner side of the frame, a servo motor is fixedly connected to the front end of the frame, a threaded rod is fixedly connected to the tail end of a main shaft of the servo motor, a guide rod is fixedly connected to the inner side of the frame, a machine fixing plate is spirally connected to the outer side of the threaded rod, and an electric push rod is fixedly connected to the inner side of the machine fixing plate. According to the position adjusting device, the friction force of a workpiece in the position adjusting process can be remarkably reduced, the quality of the machined workpiece is improved, meanwhile, friction between the workpiece and the electric permanent magnetic chuck is prevented, and the service life of the chuck is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric permanent magnetic chuck technical field, concretely is a kind of electric permanent magnetic chuck for metal cutting. BACKGROUND

[0002] Electric permanent magnetic chuck for metal cutting is a kind of adsorption equipment combined with electromagnetic and permanent magnet principle, mainly used in the metal cutting process to fix workpiece, it is "open" and "close" magnetic force by short electric pulse, without continuous power supply can keep strong adsorption force, to ensure the stability and high precision of workpiece in the machining process, electric permanent magnetic chuck has the advantages of strong magnetic force, high machining precision, safety, energy saving and environmental protection, is widely used in lathe, milling machine, grinding machine, planer, drilling machine and other machine tools and machining center, suitable for various metal cutting scene;

[0003] In multi-process processing, reasonable arrangement of workpiece position movement can optimize machining path, reduce tool idle stroke, improve machining efficiency, by accurately controlling the position of workpiece, can ensure that tool is always on the best path to carry out addition;

[0004] For square electric permanent magnetic chuck when using, in order to improve the machining precision of workpiece, prior art adopts motor threaded rod drive mode, makes workpiece slide on the upper portion of electric permanent magnetic chuck and carries out position adjustment, however, this adjustment mode not only increases the wear degree of electric permanent magnetic chuck, but also easily produces scratch at the bottom of workpiece, and then affect the overall machining quality of workpiece, therefore, aiming at the above problem, a kind of electric permanent magnetic chuck for metal cutting is provided. Utility model content

[0005] The utility model aims at providing a kind of electric permanent magnetic chuck for metal cutting, to solve the problem that square electric permanent magnetic chuck when using, prior art adopts motor threaded rod drive mode, makes workpiece slide on the upper portion of electric permanent magnetic chuck and carries out position adjustment, however, this adjustment mode not only increases the wear degree of electric permanent magnetic chuck, but also easily produces scratch at the bottom of workpiece, and then affect the overall machining quality of workpiece.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model provides an electric permanent magnet chuck for metal cutting, including electric permanent magnet chuck assembly, the bottom end fixedly connected with the bearing seat of electric permanent magnet chuck assembly, the upper end fixedly connected with displacement drive assembly of electric permanent magnet chuck assembly, one side fixedly connected with the lifting assembly of displacement drive assembly, displacement drive assembly includes the frame, the inner side of frame is equipped with rail groove, the front end fixedly connected with servo motor of frame, the fixedly connected with threaded rod of servo motor main shaft tail end, the inner side fixedly connected with guide rod of frame, the outer side screw joint of threaded rod fixedly connected with solid machine plate, the inner side fixedly connected with electric push rod of solid machine plate, one end fixedly connected with clamping plate of electric push rod, the lifting assembly includes extension block, one side fixedly connected with the net board of extension block, the inner side of net board is equipped with reservation groove, the upper end of net board is equipped with ball groove, the ball groove of net board is installed with steel ball in the inner side, the bottom end fixedly connected with square plate of extension block, the bottom end fixedly connected with hydraulic rod and limit telescopic link of square plate, the bottom end fixedly connected with the extension block top of frame.

[0008] As the further optimization of the utility model, the electric permanent magnet chuck assembly comprises an electric pulse control console, permanent magnets are installed in the electric pulse control console, grooves are arranged between the permanent magnets, a mounting groove is formed in the inner side of the electric pulse control console, and expansion boards are fixedly connected to the left and right sides of the electric pulse control console.

[0009] As the further optimization of the utility model, the bottom end of the electric pulse control console is fixedly connected to the top end of the bearing seat, mounting holes are formed in the inner sides of the expansion boards, the mounting holes of the expansion boards are fixedly connected to the hydraulic rods and the limit telescopic links, and expansion boards are fixedly connected to the left and right sides of the electric pulse control console.

[0010] As the further optimization of the utility model, the number of displacement drive assemblies is two, the threaded rods are rotatably connected to the inner sides of the rail grooves formed in the frame through bearings, mounting holes are formed in the inner sides of the solid machine plates close to the electric push rods.

[0011] As the further optimization of the utility model, threaded holes are formed in the inner sides of the solid machine plates close to the threaded rods, straight holes are formed in the inner sides of the solid machine plates close to the guide rods, the straight holes formed in the solid machine plates are slidably connected to the outer sides of the guide rods, the solid machine plates are embedded in the inner sides of the rail grooves, and limit sliding blocks are fixedly connected to the top end and the bottom end of the solid machine plates.

[0012] As the further optimization of the utility model, the ball grooves penetrate the upper end of the net board, the number of ball grooves is the same as the number of steel balls, and two-thirds of the steel balls are located inside the ball grooves.

[0013] As the further optimization of the utility model, wherein: the extension block outside fits in the inside of the setting groove opened by the electric pulse control platform, the number of the extension blocks is same with the number of the setting groove, the mesh plate is installed inside the interval groove, the top end of the permanent magnet is higher than the top end of the steel ball by 5mm distance.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] In the utility model, the electric permanent magnetic chuck assembly, the displacement driving assembly and the lifting assembly are arranged, the device can significantly reduce the friction force of the workpiece in the position adjustment process, improve the quality of the workpiece after processing, prevent the friction between the workpiece and the electric permanent magnetic chuck, prolong the service life of the chuck, ensure the stability and high precision of the workpiece in the processing process, reduce the scratches and wear of the chuck caused by friction, and improve the processing efficiency and the reliability of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic view of the utility model;

[0017] Figure 2 It is the electric pulse control platform structure schematic view of the utility model;

[0018] Figure 3 It is the A place structure schematic view of the utility model; Figure 2

[0019] Figure 4 It is the mesh plate cut open structure schematic view of the utility model;

[0020] Figure 5 It is the B place structure schematic view of the utility model; Figure 4

[0021] Figure 6 It is the displacement driving assembly structure schematic view of the utility model.

[0022] In the drawing: 1, bearing seat;

[0023] 2, electric permanent magnetic chuck assembly; 21, electric pulse control platform; 22, expansion board; 23, permanent magnet; 24, interval groove; 25, setting groove;

[0024] 3, displacement driving assembly; 31, frame; 32, servo motor; 33, threaded rod; 34, guide rod; 35, fixed plate; 36, electric push rod; 37, clamping plate; 38, rail groove;

[0025] 4, lifting assembly; 41, extension block; 42, mesh plate; 43, reserved slot; 44, ball groove; 45, steel ball; 46, square plate; 47, hydraulic rod; 48, limit telescopic rod. ​​DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be apparently and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0027] It is to be noted that the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and it should also be understood that the terms "comprise" and / or "include" as used in the specification mean the presence of features, steps, operations, devices, components and / or combinations thereof.

[0028] Please refer to Figures 1-6 The present application provides a technical solution:

[0029] The electric permanent magnet chuck for metal cutting machining comprises an electric permanent magnet chuck assembly 2, a bearing seat 1 is fixedly connected to the bottom end of the electric permanent magnet chuck assembly 2, a displacement driving assembly 3 is fixedly connected to the upper end of the electric permanent magnet chuck assembly 2, a lifting assembly 4 is fixedly connected to one side of the displacement driving assembly 3, the displacement driving assembly 3 comprises a frame 31, a rail groove 38 is formed in the inner side of the frame 31, a servo motor 32 is fixedly connected to the front end of the frame 31, a threaded rod 33 is fixedly connected to the tail end of the main shaft of the servo motor 32, a guide rod 34 is fixedly connected to the inner side of the frame 31, a fixed machine plate 35 is spirally connected to the outer side of the threaded rod 33, an electric push rod 36 is fixedly connected to the inner side of the fixed machine plate 35, a clamping plate 37 is fixedly connected to one end of the electric push rod 36, the lifting assembly 4 comprises an extension block 41, a mesh plate 42 is fixedly connected to one side of the extension block 41, a reserved groove 43 is formed in the inner side of the mesh plate 42, a ball groove 44 is formed in the upper end of the mesh plate 42, a steel ball 45 is installed in the inner side of the ball groove 44 of the mesh plate 42, a square plate 46 is fixedly connected to the bottom end of the extension block 41, a hydraulic rod 47 and a limiting telescopic rod 48 are fixedly connected to the bottom end of the square plate 46, and the bottom end of the frame 31 is fixedly connected to the top end of the extension block 41.

[0030] As a further implementation of the scheme, the electric permanent magnetic chuck assembly 2 comprises an electric pulse control cabinet 21, permanent magnets 23 are installed inside the electric pulse control cabinet 21, a gap 24 is arranged between the permanent magnets 23, a mounting groove 25 is formed in the inner side of the electric pulse control cabinet 21, expansion boards 22 are fixedly connected to the left and right sides of the electric pulse control cabinet 21, the bottom end of the electric pulse control cabinet 21 is fixedly connected to the top end of the bearing seat 1, mounting holes are formed in the inner sides of the expansion boards 22, the mounting holes of the expansion boards 22 are fixedly connected with the hydraulic rods 47 and the limit extension rods 48, expansion boards 22 are fixedly connected to the left and right sides of the electric pulse control cabinet 21, through the arrangement, the bearing seat 1 plays a role of bearing the electric pulse control cabinet 21, the expansion boards 22 can support the displacement driving assembly 3, and space is provided for the installation of the hydraulic rods 47 and the limit extension rods 48.

[0031] As a further implementation of the scheme, the number of displacement driving assemblies 3 is two, the threaded rods 33 are rotatably connected inside the rail grooves 38 formed in the frames 31 through bearings, mounting holes are formed in the inner side of the fixed machine plates 35 close to the electric push rods 36, threaded holes are formed in the inner side of the fixed machine plates 35 close to the threaded rods 33, straight holes are formed in the inner side of the fixed machine plates 35 close to the guide rods 34, the straight holes formed in the fixed machine plates 35 are slidably connected with the outer sides of the guide rods 34, the fixed machine plates 35 are embedded inside the rail grooves 38, and limit sliding blocks are fixedly connected to the top end and the bottom end of the fixed machine plates 35, through the arrangement, the position of the workpiece can be accurately adjusted, the efficiency of the workpiece moving to the cutter is improved, the stroke of the cutter is reduced, and the machining efficiency of the workpiece is improved.

[0032] As a further implementation of the scheme, the ball grooves 44 penetrate the upper end of the mesh plate 42, the number of the ball grooves 44 is the same as that of the steel balls 45, two-thirds of the steel balls 45 are located inside the ball grooves 44, the outer side of the extension blocks 41 is attached to the inner side of the mounting grooves 25 formed in the electric pulse control cabinet 21, the number of the extension blocks 41 is the same as the number of the mounting grooves 25, the mesh plate 42 is installed inside the gap 24, and the top end of the permanent magnet 23 is higher than the top end of the steel ball 45 by a distance of five millimeters, through the arrangement, the friction during the adjustment of the position of the workpiece is reduced, the quality of the workpiece after machining is improved, the friction between the workpiece and the permanent magnet 23 can be prevented, and the service life of the permanent magnet 23 is improved.

[0033] Work flow: when the position of the workpiece is displaced while preventing friction between the workpiece and the electric permanent magnet chuck assembly 2, the workpiece is placed on the upper end of the permanent magnet 23, the hydraulic rod 47 is started to drive the square plate 46 and the displacement driving assembly 3 to move upward as a whole, the square plate 46 drives the mesh plate 42 to move upward through the extension block 41, the square plate 46 can improve the stability when moving upward by driving the hydraulic rod 47 to stretch upward, when the steel ball 45 is attached to the bottom end of the workpiece while the workpiece is away from the permanent magnet 23, the workpiece is fixed and the position is adjusted through the displacement driving assembly 3, at this time, the servo motor 32 is started to drive the threaded rod 33 to rotate, the threaded rod 33 drives the outer screw-connected fixing plate 35 to move, the fixing plate 35 is slidingly connected to the outside of the guide rod 34, which plays a role in limiting the movement of the fixing plate 35 and improving the stability of the fixing plate 35 when moving forward and backward, the fixing plate 35 slides in the inside of the rail groove 38, the fixing plate 35 drives the electric push rod 36 and the clamping plate 37 to move at the same time, when the clamping plate 37 is aligned with the workpiece, the electric push rod 36 is started to drive the clamping plate 37 to move towards the workpiece, the left and right positions of the workpiece can be adjusted through the two clamping plates 37 and the electric push rod 36 of the displacement driving assembly 3, and the workpiece is positioned, the front and rear positions of the workpiece can be adjusted by driving the threaded rod 33 to rotate through the servo motor 32, in the process of moving the workpiece, the bottom end of the workpiece is attached to the top end of the steel ball 45, under the action of friction, the steel ball 45 rolls in the inside of the ball groove 44, the friction during the position adjustment of the workpiece is greatly reduced through the design of the steel ball 45, the quality of the workpiece after processing is improved, and friction between the workpiece and the permanent magnet 23 can be prevented, which can prevent the permanent magnet 23 from being worn and tear, and improve the service life of the permanent magnet 23, after the position adjustment is completed, the mesh plate 42 is stored in the inside of the interval groove 24, so that the bottom end of the workpiece is attached to the top end of the permanent magnet 23, the workpiece is fixed through magnetic attraction of the permanent magnet 23, and the workpiece is cut and processed through the existing tool.

[0034] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An electro-permanent magnetic chuck for metal cutting, comprising an electro-permanent magnetic chuck assembly (2), characterized in that: The bottom end of the electric permanent magnetic suction disc assembly (2) is fixedly connected with a bearing seat (1), the upper end of the electric permanent magnetic suction disc assembly (2) is fixedly connected with a displacement driving assembly (3), and one side of the displacement driving assembly (3) is fixedly connected with a lifting assembly (4). The displacement driving assembly (3) comprises a frame (31), a rail groove (38) is formed in the inner side of the frame (31), a servo motor (32) is fixedly connected to the front end of the frame (31), a threaded rod (33) is fixedly connected to the main shaft of the servo motor (32), a guide rod (34) is fixedly connected to the inner side of the frame (31), a fixed machine plate (35) is spirally connected to the outer side of the threaded rod (33), an electric push rod (36) is fixedly connected to the inner side of the fixed machine plate (35), and a clamping plate (37) is fixedly connected to one end of the electric push rod (36). The lifting assembly (4) comprises an extension block (41), the extension block (41) is fixedly connected with a mesh plate (42) on one side, a reserved groove (43) is formed in the inner side of the mesh plate (42), a ball groove (44) is formed in the upper end of the mesh plate (42), a steel ball (45) is installed in the ball groove (44) of the mesh plate (42), a square plate (46) is fixedly connected to the bottom end of the extension block (41), and a hydraulic rod (47) and a limiting telescopic rod (48) are fixedly connected to the bottom end of the square plate (46). The bottom end of the frame (31) is fixedly connected with the top end of the extension block (41).

2. The electro-permanent magnetic chuck for metal cutting according to claim 1, characterized in that: The electric permanent magnetic suction disc assembly (2) comprises an electric pulse control console (21), permanent magnets (23) are installed in the electric pulse control console (21), a gap (24) is arranged between the permanent magnets (23), a placing groove (25) is formed in the inner side of the electric pulse control console (21), and expansion plates (22) are fixedly connected to the left side and the right side of the electric pulse control console (21).

3. The electro-permanent magnetic chuck for metal cutting according to claim 2, characterized in that: The bottom end of the electric pulse control console (21) is fixedly connected with the top end of the bearing seat (1), mounting holes are formed in the inner sides of the expansion plates (22), the mounting holes of the expansion plates (22) are fixedly connected with the hydraulic rod (47) and the limiting telescopic rod (48), and the expansion plates (22) are fixedly connected to the left side and the right side of the electric pulse control console (21).

4. The electro-permanent magnetic chuck for metal cutting according to claim 1, characterized in that: The number of the displacement driving assemblies (3) is two, the threaded rod (33) is rotatably connected in the rail groove (38) of the frame (31) through a bearing, and mounting holes are formed in the inner side of the fixed machine plate (35) close to the electric push rod (36).

5. The electro-permanent magnetic chuck for metal cutting according to claim 1, characterized in that: Threaded holes are formed in the inner side of the fixed machine plate (35) close to the threaded rod (33), straight holes are formed in the inner side of the fixed machine plate (35) close to the guide rod (34), the straight holes of the fixed machine plate (35) are slidably connected with the outer side of the guide rod (34), the fixed machine plate (35) is embedded in the inner side of the rail groove (38), and limiting sliding blocks are fixedly connected to the top end and the bottom end of the fixed machine plate (35).

6. The electro-permanent magnetic chuck for metal cutting according to claim 1, characterized in that: The ball groove (44) penetrates the upper end of the mesh plate (42), the number of the ball grooves (44) is the same as that of the steel balls (45), and two-thirds of the steel balls (45) are located inside the ball grooves (44).

7. The electro-permanent magnetic chuck according to claim 2, wherein: The extension block (41) is attached to the inside of the setting groove (25) of the electric pulse control console (21), the number of the extension block (41) is the same as the number of the setting groove (25), the screen plate (42) is installed inside the slot (24), and the top end of the permanent magnet (23) is five millimeters higher than the top end of the steel ball (45).

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