CN211681087U - Electric permanent magnetic chuck based on modular design - Google Patents

Electric permanent magnetic chuck based on modular design Download PDF

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Publication number
CN211681087U
CN211681087U CN202020309927.4U CN202020309927U CN211681087U CN 211681087 U CN211681087 U CN 211681087U CN 202020309927 U CN202020309927 U CN 202020309927U CN 211681087 U CN211681087 U CN 211681087U
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China
Prior art keywords
magnetic pole
magnetic
disk substrate
pole unit
fastening screw
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Expired - Fee Related
Application number
CN202020309927.4U
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Chinese (zh)
Inventor
李川
孙鹏
李惠
曲平
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Weihai Lici Electric Co ltd
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Weihai Lici Electric Co ltd
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Priority to CN202020309927.4U priority Critical patent/CN211681087U/en
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Publication of CN211681087U publication Critical patent/CN211681087U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an electricity permanent magnetism sucking disc based on modular design, including disk substrate and a plurality of magnetic pole unit, be equipped with line concentration box, terminal row on the disk substrate, the terminal row is fixed in the line concentration box, the magnetic pole unit lower extreme is fixed with connecting plug, connecting plug and magnetic pole unit's coil connection, rectangular array or circular array are equipped with a plurality of socket on the disk substrate, socket one end is pegged graft fixedly with connecting plug, and the other end passes through the socket wire and is connected with the terminal row, the utility model has the advantages of novel structure, processing convenience, swift, easy on-the-spot quick replacement, maintenance, whole magnetic force are balanced.

Description

Electric permanent magnetic chuck based on modular design
Technical Field
The utility model relates to a work piece positioning device field especially relates to an electricity permanent magnetism sucking disc based on modular design.
Background
As is well known, an electric permanent magnetic chuck is a chuck that magnetically magnetizes, demagnetizes, or changes the direction of a permanent magnetic alloy such as alnico or the like to generate a suction force to tightly hold a workpiece.
On the internet, many structures of electro-permanent magnetic chucks are disclosed, such as: CN201320761602X discloses an electro-permanent magnet with full magnetic pole magnetic force detection and temperature detection, CN2013207634371 discloses a high-strength electro-permanent magnetic chuck with good sealing performance, CN2008801287976 discloses a self-anchoring magnetic device and a control unit for controlling the magnetic device, CN2008801287961 discloses a single magnetic device and a manufacturing method of the single magnetic device, CN 35 201810352236X discloses a double-sided magnetic attraction electro-permanent magnet template, and the like, the structure of the patents is that a glue injection groove is processed on a disk substrate, a plurality of magnetic pole units are sequentially arranged in the glue injection groove and are respectively connected through leads, then sealant is injected into the glue injection groove, the plurality of magnetic pole units and the leads are completely packaged in the disk substrate, and then a cover plate is covered.
The substantial disadvantages of this mounting structure are: firstly, the magnetic disk substrate is sealed and filled with resin, when one wire or an element in a certain magnetic pole unit is damaged, the suction force of the electric permanent magnetic chuck is reduced, so that a workpiece cannot be adsorbed, the whole chuck is filled and sealed by resin glue, field maintenance cannot be performed, a customer can only disassemble the electric permanent magnetic chuck to perform factory maintenance, the period of the factory maintenance is long, the use of the customer is seriously influenced, and further the working efficiency is greatly influenced; in order to not affect the working efficiency, a customer can only buy one magnetic sucker for use, so that the maintenance cost of the customer is increased, resin glue on the surface needs to be removed when the customer returns to a factory for maintenance, and the resin sucker is refilled after the maintenance is finished, so that the maintenance difficulty is increased; secondly, the structure is not beneficial to rapid processing, because the electric permanent magnetic chucks required by customers have different model specifications, and manufacturers cannot process the electric permanent magnetic chucks in advance to form stock, the magnetic disk substrates can be cut immediately according to the model specifications on the orders only after waiting for the orders of the customers, then glue injection grooves on the magnetic disk substrates are processed according to the requirements of the customers, then the magnetic pole units are arranged in the glue injection grooves one by one, the magnetic pole units are connected together through a lead, the connection state of the magnetic poles is checked, glue solution is injected after the magnetic pole units are qualified, and a period of time is needed to wait for the glue solution to solidify after the glue injection, so that the processing mode cannot be delivered quickly, and further has extremely low processing efficiency; thirdly, when the electric permanent magnetic chuck with the structure is manufactured, the arrangement of the magnetic poles is relatively solidified, after the electric permanent magnetic chuck is formed, the distribution position of the magnetic poles cannot be changed, the electric permanent magnetic chuck cannot adapt to the shapes of different workpieces in a mode of randomly arranging magnetic pole units, and customers need to purchase electric permanent magnetic chucks with different specifications to meet the clamping requirements of different workpieces, so that the purchase cost of customer equipment is high; fourthly, the magnetic force of some magnetic pole units in the prior art is crossed with each other to form strong magnetism, when one of the magnetic pole units is damaged, the magnetic force around the damaged magnetic pole unit is influenced to scrap the whole magnetic sucker, and further the equipment maintenance cost of a user is increased.
Disclosure of Invention
The utility model aims at solving the deficiencies of the prior art, providing an electric permanent magnetic chuck based on modular design which is novel in structure, convenient to process, rapid, easy to replace quickly on site, and balanced in maintenance and overall magnetic force.
The utility model discloses can reach through following measure.
The utility model provides an electricity permanent magnetism sucking disc based on modular design, includes disk substrate and a plurality of magnetic pole unit, be equipped with line concentration box, terminal row on the disk substrate, the terminal row is fixed in the line concentration box, its characterized in that: the magnetic disk drive comprises a magnetic pole unit, a magnetic disk substrate and a plurality of sockets, wherein a connecting plug is fixed at the lower end of the magnetic pole unit and connected with coils of the magnetic pole unit, the plurality of sockets are arranged on the magnetic disk substrate in a rectangular array or a circular array, one end of each socket is fixedly connected with the connecting plug in an inserting mode, and the other end of each socket is connected with a terminal strip through a socket wire.
The magnetic pole unit is fixed on the magnetic disk substrate through the fastening device, and further the magnetic pole unit is fixed on the magnetic disk substrate, and is convenient to detach.
Fastener adopts central fastening screw, the magnetic pole unit axle center is equipped with the central through-hole that runs through the magnetic pole unit, the equipartition is equipped with a plurality of fastening screw hole on the disk substrate, central fastening screw passes central through-hole and fastening screw hole threaded connection to realize the fixed connection dismantled of magnetic pole unit and disk substrate.
Fastener adopts the elastic clamping piece, two at least elastic clamping pieces of magnetic pole unit lower extreme fixedly connected with, be equipped with dovetail or forked tail fastener on the disk substrate, the magnetic pole unit is fixed through elastic clamping piece, dovetail or forked tail fastener and disk substrate elasticity joint to but realize that magnetic pole unit is fixed with the plug elastic clamping of disk substrate.
Rectangle array or circular array are equipped with a plurality of plug arrangement through-hole on the disk substrate, the socket is fixed to be established in the plug arrangement through-hole.
The disk substrate back is equipped with the plug trough, is equipped with a plurality of through wires hole on the plug trough, and the socket wire is connected at the plug trough in and with the terminal row through the through wires hole distribution to prevent wire wearing and tearing, increase of service life.
The magnetic pole unit of the utility model consists of a magnetic disk shell, a coil frame, alnico, ndfeb, a magnetic pole, a sealing material and a magnetic pole fastening screw, the coil, the coil frame, the alnico, the ndfeb, and the magnetic pole are coaxially connected and arranged in the magnetic disk shell, the coil is arranged on the periphery of the alnico through the coil frame, the ndfeb magnetic steel is arranged on the periphery of the magnetic pole, the magnetic pole is arranged above the alnico magnet steel, the magnetic pole unit is provided with a magnetic pole fastening screw hole which penetrates through the alnico magnet steel and extends to the lower end of the magnetic pole, the alnico magnet steel and the magnetic pole are fixed through the magnetic pole fastening screw and the magnetic pole fastening screw hole, the coil, the alnico steel, the ndfeb steel and the magnetic pole are sealed in the magnetic disk shell through a sealing material, so that the single magnetic pole unit forms an independent magnetic circuit.
An electro-permanent magnetic chuck machining based on modular design comprises:
step S1: the method comprises the following steps of pre-processing a disk substrate for standby, reserving a plug arranging hole and a fastening screw hole on the disk substrate, fixing a socket in the plug arranging hole, and enabling the disk substrate to be produced in advance and stored for standby;
step S2: manufacturing a magnetic pole unit, wherein the lower end of the magnetic pole unit is fixedly connected with the connecting plug, and the magnetic pole unit can be produced in advance and stored for later use;
step S3: cutting the magnetic disk substrate according to the requirement of a customer order, processing a plug wiring groove on the back of the magnetic disk substrate, and connecting a socket wire with a terminal strip on the cut magnetic disk substrate through the plug wiring groove;
step S4: the magnetic pole unit is inserted on the disk substrate through the connecting plug and the socket and is fixed on the disk substrate through the central fastening screw, so that the magnetic pole unit and the disk substrate are quickly inserted, glue is not required to be injected between the magnetic pole unit and the disk substrate, glue injection solidification is not required to be waited, and the processing speed is improved;
step S5: and (5) checking the connection state of the magnetic poles, and delivering the magnetic poles after the connection state is qualified.
The utility model has the advantages that the single magnetic pole unit is easy to be replaced, the damaged magnetic pole unit can be replaced quickly on site when the single magnetic pole unit is damaged, a whole set of electric permanent magnetic chuck is not needed to be replaced, the maintenance time efficiency is improved, and the maintenance cost of customers is reduced; the single magnetic pole unit and the magnetic disk substrate can be produced in advance, a hole is punched in the magnetic disk substrate, a socket is placed in the magnetic disk substrate, the magnetic disk substrate is cut according to the requirement of a customer order, and the magnetic pole unit is inserted in the magnetic disk substrate in real time, so that rapid production and delivery are realized, and the production cost is effectively reduced; the magnetic pole unit and the magnetic disk substrate can be quickly assembled and disassembled, the position of the magnetic pole unit can be adjusted according to the shapes of different workpieces, the using number of the magnetic pole unit can be increased or reduced at any time according to the size of the workpieces, and a set of electric permanent magnetic chuck can meet the clamping requirements of different workpieces, so that the purchase cost of customer equipment is saved; the single magnetic pole unit forms an independent magnetic circuit, so that the magnetizing and the demagnetizing can be independently realized, and the damage of the single magnetic pole unit does not influence the use of the peripheral magnetic pole unit.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the overall structure of another layout of the present invention.
Fig. 3 is an exploded view of the magnetic pole unit of the present invention.
Fig. 4 is a schematic structural view of the magnetic disk substrate of the present invention.
Fig. 5 is a schematic view of the plug wiring groove structure of the present invention.
The symbols in the drawings illustrate that: the modular electric permanent magnetic chuck comprises a modular electric permanent magnetic chuck-1, a magnetic pole unit-2, a magnetic disk shell-201, a coil-202, a coil framework-203, alnico-204, NdFeB magnetic steel-205, a magnetic pole-206, a sealing material-207, a magnetic pole fastening screw-208, a magnetic disk substrate-3, a fastening screw hole-301, a wire collecting box-302, a terminal row-303, a plug installation through hole-304, a plug wiring groove-305, a connecting plug-4, a central fastening screw-5 and a socket-6.
Detailed Description
The invention is further described with reference to the following figures and examples.
Example 1 (fastening device fixed with central fastening screw):
as shown in the attached drawing, an electricity permanent magnetism sucking disc 1 based on modular design, including disk substrate 3 and a plurality of magnetic pole unit 2, be equipped with line concentration box 302, terminal row 303 on disk substrate 3, terminal row 303 is fixed in line concentration box 302, and the line concentration box is established at disk substrate's edge in this embodiment, magnetic pole unit rectangular array establishes on disk substrate, 2 lower extreme fixedly connected with connecting plug 4 of magnetic pole unit, connecting plug 4's wiring end passes through the wire with magnetic pole unit's coil and is connected, the array is equipped with a plurality of socket 6 on disk substrate 3, socket 6 one end is pegged graft fixedly with connecting plug 4, and the other end passes through the socket wire and is connected with terminal row 303.
The magnetic pole unit 2 is fixed on the magnetic disk substrate 3 through a fastening device, and further the magnetic pole unit is fixed on the magnetic disk substrate and is convenient to detach. In this embodiment, the fastening device employs a central fastening screw 5, the axis of the magnetic pole unit is provided with a central through hole penetrating through the magnetic pole unit, a plurality of fastening screw holes 301 are uniformly distributed on the disk substrate 3, and the central fastening screw 5 penetrates through the central through hole and is in threaded connection with the fastening screw holes 301, so as to realize detachable fixed connection between the magnetic pole unit and the disk substrate.
The rectangular array is equipped with a plurality of plug and installs through-hole 304 on disk substrate 3, socket 6 is established in the plug installs through-hole, and fastening screw hole is adjacent with plug installation through-hole position.
The back of the disk substrate 3 is provided with a plug wiring groove 305, the plug wiring groove 305 is provided with a plurality of threading holes, the threading holes are communicated with plug arrangement through holes, branch wires of the plug wiring groove are converged into an assembly branch wire in a series or parallel connection mode, the assembly branch wire of the plug wiring groove is connected with a terminal block, and a socket wire and the terminal block are conveniently connected through the plug wiring groove 305, so that the wire abrasion is prevented, and the service life is prolonged.
The magnetic pole unit 2 comprises a magnetic disk casing 201, a coil 202, a coil frame 203, alnico 204, ndfeb 205, a magnetic pole 206, a sealing material 207, a magnetic pole fastening screw 208, coil 202, coil frame 203, alnico 204, ndfeb 205, a magnetic pole 206 coaxial coupling and establish in magnetic disk casing 201, the coil is established at alnico's border through coil frame, the ndfeb is established at the border of a magnetic pole, the magnetic pole is established above alnico, be equipped with a magnetic pole fastening screw hole on the magnetic pole unit, the magnetic pole fastening screw hole runs through alnico 204 and extends to a magnetic pole 206 lower extreme, alnico 204, a magnetic pole 206 are fixed through magnetic pole fastening screw 208, magnetic pole fastening screw hole threaded connection, coil 202, alnico 204, ndfeb 205, a magnetic pole 206 are sealed in magnetic disk casing through a sealing material 207, so that the single magnetic pole unit forms an independent magnetic circuit, the magnetizing and the demagnetizing can be independently realized, the magnetic conversion efficiency is high, and the magnetic force is stronger. In this embodiment, the sealing material is made of a metal that is not a magnetic conductive material, and the sealing material may be filled with a resin paste.
The magnetic pole unit described in this embodiment is a single magnetic pole unit, and the magnetic pole unit may also refer to a magnetic pole unit module, where one magnetic pole unit module includes a plurality of single magnetic pole units, and one total magnetic pole unit module is provided with a connection plug, the connection plug is connected to a socket on a disk substrate and fixed to the disk substrate by a central fastening screw, when it needs to be replaced, the central fastening screw is removed, the connection plug is pulled out, and one total magnetic pole unit module can be detached from the disk substrate, and a plurality of magnetic pole unit modules are placed on the disk substrate, and when the disk is laid out, the plurality of magnetic pole unit modules are also arranged and laid out.
In this embodiment, fig. 1 and fig. 2 only show two examples of the distribution of the magnetic pole units, and the specific layout is determined according to the shape and size of the workpiece without being limited thereto.
An electro-permanent magnetic chuck machining based on modular design comprises:
step S1: manufacturing a magnetic disk substrate, reserving a plug arranging hole and a fastening screw hole on the magnetic disk substrate, fixing a socket in the plug arranging hole, and producing the magnetic disk substrate in advance for storage and standby;
step S2: manufacturing a magnetic pole unit, wherein the lower end of the magnetic pole unit is fixedly connected with the connecting plug, and the magnetic pole unit can be produced in advance and stored for later use;
step S3: cutting the magnetic disk substrate according to the requirement of a customer order, processing a plug wiring groove on the back of the magnetic disk substrate, and connecting a socket wire with a terminal strip on the cut magnetic disk substrate through the plug wiring groove;
step S4: the magnetic pole unit is inserted on the disk substrate through the connecting plug and the socket and is fixed on the disk substrate through the central fastening screw, so that the magnetic pole unit and the disk substrate are quickly inserted, glue is not required to be injected between the magnetic pole unit and the disk substrate, glue injection solidification is not required to be waited, and the processing speed is improved;
step S5: and (5) checking the connection state of the magnetic poles, and delivering the magnetic poles after the connection state is qualified.
When the electric permanent magnetic chuck based on the modular design is used:
step S1: the electric permanent magnetic chuck is arranged on a workbench of numerical control equipment, an external control system is connected with a terminal strip, a magnetic field is formed by electrifying, a workpiece to be processed is adsorbed, and the numerical control equipment is electrified to process the workpiece;
step S2: in the field use process, when the suction force of the electric permanent magnetic chuck is reduced and the electric permanent magnetic chuck cannot adsorb a workpiece, the numerical control equipment is stopped to detect the electric permanent magnetic chuck, the central fastening screw is unscrewed, the connecting plug at the lower end of the magnetic pole unit is pulled out from the socket, the damaged single magnetic pole unit on the magnetic disk substrate is taken out, the new magnetic pole unit is quickly replaced and installed, the connecting plug at the lower end of the magnetic pole unit is inserted into the socket during replacement, the central fastening screw is screwed, the installation can be completed, the whole electric permanent magnetic chuck does not need to be taken down, and the working efficiency is obviously improved;
step S3: the electric permanent magnetic chuck is electrified again to start adsorbing the workpiece.
When an electric permanent magnetic chuck based on modular design changes a workpiece:
when the size of the adsorption workpiece needs to be changed and a large workpiece needs to be changed, the magnetic pole units which are added can be quickly inserted and connected onto the magnetic disk substrate, and the positions of the magnetic pole units are rearranged on the magnetic disk substrate according to the size and the shape of the workpiece; when small workpieces are replaced, the magnetic pole units can be quickly detached from the magnetic disk substrate, and the positions of the magnetic pole units are rearranged on the magnetic disk substrate according to the size and the shape of the workpieces.
Embodiment 2 (fastening device is fixed by elastic clamping piece):
embodiment 2 differs from embodiment 1 in that the fastening device used is different, and the other structures and connection relationships are the same as those in embodiment 1, and are not repeated in embodiment 2. The manner of snap-fastening by means of the elastic snap-on element is not shown in the figures.
The fastening device adopts the elastic clamping piece, magnetic pole unit lower extreme fixedly connected with elastic clamping piece, the elastic clamping piece is equipped with two at least, settle through-hole one side at the plug on the disk substrate and seted up the dovetail, the lower extreme fixed connection of elastic clamping piece one end and magnetic pole unit, the other end is towards the dovetail direction, when pegging graft the magnetic pole unit on the disk substrate, the elastic clamping piece supports on the cell wall of dovetail, and the magnetic pole unit is fixed through elastic clamping piece, dovetail and disk substrate elastic clamping, upwards stimulates the magnetic pole unit and can extract the elastic clamping piece from the dovetail to it is fixed with the pluggable elastic clamping of disk substrate to realize the magnetic pole unit.
Also can settle through-hole one side installation fixed forked tail fastener at disk substrate's plug in this embodiment, when pegging graft magnetic pole unit on disk substrate, elastic clamping spare and forked tail fastener joint, the magnetic pole unit is fixed through elastic clamping spare, forked tail fastener and disk substrate elastic clamping, upwards stimulates the magnetic pole unit and can extract elastic clamping spare from the forked tail fastener to the pluggable elastic clamping joint that realizes magnetic pole unit and disk substrate is fixed.
An electro-permanent magnetic chuck machining based on modular design comprises:
step S1: manufacturing a magnetic disk substrate, reserving a plug arranging hole and processing a dovetail groove on the magnetic disk substrate, fixing a socket in the plug arranging hole, and producing the magnetic disk substrate in advance for storage and standby;
step S2: manufacturing a magnetic pole unit, wherein the lower end of the magnetic pole unit is fixedly connected with the connecting plug, and the magnetic pole unit can be produced in advance and stored for later use;
step S3: cutting the magnetic disk substrate according to the requirement of a customer order, processing a plug wiring groove on the back of the magnetic disk substrate, and connecting a socket wire with a terminal strip on the cut magnetic disk substrate through the plug wiring groove;
step S4: the magnetic pole unit is inserted on the magnetic disk substrate through the connecting plug and the socket and is fixed on the magnetic disk substrate through the elastic clamping piece, so that the magnetic pole unit and the magnetic disk substrate are quickly inserted, glue does not need to be injected between the magnetic pole unit and the magnetic disk substrate, glue does not need to be injected for solidification, and the processing speed is improved;
step S5: and (5) checking the connection state of the magnetic poles, and delivering the magnetic poles after the connection state is qualified.
When the electric permanent magnetic chuck based on the modular design is used:
step S1: the electric permanent magnetic chuck is arranged on a workbench of numerical control equipment, an external control system is connected with a terminal strip, a magnetic field is formed by electrifying, a workpiece to be processed is adsorbed, and the numerical control equipment is electrified to process the workpiece;
step S2: in the field use process, when the suction force of the electric permanent magnetic chuck is reduced and the electric permanent magnetic chuck cannot adsorb a workpiece, the numerical control equipment is stopped to detect the electric permanent magnetic chuck, the elastic clamping piece at the lower end of the magnetic pole unit is pulled out from the dovetail groove, the connecting plug is pulled out from the socket, the damaged single magnetic pole unit on the magnetic disk substrate is taken out, the new magnetic pole unit is quickly replaced and installed, the connecting plug at the lower end of the magnetic pole unit is inserted into the socket during replacement, the elastic clamping piece at the lower end of the magnetic pole unit is inserted into the dovetail groove, the installation can be completed, the whole electric permanent magnetic chuck does not need to be taken down, and the;
step S3: the electric permanent magnetic chuck is electrified again to start adsorbing the workpiece.
When an electric permanent magnetic chuck based on modular design changes a workpiece:
when the size of the adsorption workpiece needs to be changed and a large workpiece needs to be changed, the magnetic pole units which are added can be quickly inserted and connected onto the magnetic disk substrate, and the positions of the magnetic pole units are rearranged on the magnetic disk substrate according to the size and the shape of the workpiece; when small workpieces are replaced, the magnetic pole units can be quickly detached from the magnetic disk substrate, and the positions of the magnetic pole units are rearranged on the magnetic disk substrate according to the size and the shape of the workpieces.
The utility model has the advantages that the single magnetic pole unit is easy to be replaced, the damaged magnetic pole unit can be replaced quickly on site when the single magnetic pole unit is damaged, a whole set of electric permanent magnetic chuck is not needed to be replaced, the maintenance time efficiency is improved, and the maintenance cost of customers is reduced; the single magnetic pole unit and the magnetic disk substrate can be produced in advance, a hole is punched in the magnetic disk substrate, a socket is placed in the magnetic disk substrate, the magnetic disk substrate is cut according to the requirement of a customer order, and the magnetic pole unit is inserted in the magnetic disk substrate in real time, so that rapid production and delivery are realized, and the production cost is effectively reduced; the magnetic pole unit and the magnetic disk substrate can be quickly assembled and disassembled, the position of the magnetic pole unit can be adjusted according to the shapes of different workpieces, the using number of the magnetic pole unit can be increased or reduced at any time according to the size of the workpieces, and a set of electric permanent magnetic chuck can meet the clamping requirements of different workpieces, so that the purchase cost of customer equipment is saved; the single magnetic pole unit forms an independent magnetic circuit, so that the magnetizing and the demagnetizing can be independently realized, and the damage of the single magnetic pole unit does not influence the use of the peripheral magnetic pole unit.

Claims (7)

1. The utility model provides an electricity permanent magnetism sucking disc based on modular design, includes disk substrate and a plurality of magnetic pole unit, be equipped with line concentration box, terminal row on the disk substrate, the terminal row is fixed in the line concentration box, its characterized in that: the magnetic disk drive comprises a magnetic pole unit, a magnetic disk substrate and a plurality of sockets, wherein a connecting plug is fixed at the lower end of the magnetic pole unit and connected with coils of the magnetic pole unit, the plurality of sockets are arranged on the magnetic disk substrate in a rectangular array or a circular array, one end of each socket is fixedly connected with the connecting plug in an inserting mode, and the other end of each socket is connected with a terminal strip through a socket wire.
2. The electric permanent magnetic chuck based on modular design as claimed in claim 1, wherein: the magnetic pole unit is fixed on the magnetic disk substrate through a fastening device.
3. The electric permanent magnetic chuck based on modular design according to claim 2, characterized in that: the magnetic disk drive is characterized in that the fastening device adopts a central fastening screw, the axis of the magnetic pole unit is provided with a central through hole penetrating through the magnetic pole unit, a plurality of fastening screw holes are uniformly distributed on the magnetic disk substrate, and the central fastening screw penetrates through the central through hole and is in threaded connection with the fastening screw holes.
4. The electric permanent magnetic chuck based on modular design according to claim 2, characterized in that: the magnetic disk is characterized in that the fastening device adopts elastic clamping pieces, the lower end of the magnetic pole unit is fixedly connected with at least two elastic clamping pieces, a dovetail groove or a dovetail clamping piece is arranged on the magnetic disk substrate, and the magnetic pole unit is elastically clamped and fixed with the magnetic disk substrate through the elastic clamping pieces, the dovetail groove or the dovetail clamping piece.
5. An electro-permanent-magnetic chuck based on modular design according to claim 3 or 4, wherein: the magnetic disk substrate is provided with a plurality of plug mounting through holes in a rectangular array or a circular array, and the socket is fixedly arranged in the plug mounting through holes.
6. The electric permanent magnetic chuck based on modular design as claimed in claim 5, wherein: the back of the magnetic disk substrate is provided with a plug wiring groove, the plug wiring groove is provided with a plurality of threading holes, and socket wires are distributed in the plug wiring groove through the threading holes and are connected with the terminal strip.
7. An electro permanent magnetic chuck based on modular design according to claim 1 or 2 or 3 or 4 or 6, wherein: the magnetic pole unit comprises disk housing, coil skeleton, alnico, neodymium iron boron magnetic steel, magnetic pole, sealing material, magnetic pole fastening screw, coil skeleton, alnico, neodymium iron boron magnetic steel, magnetic pole coaxial coupling establish in the disk housing, the coil passes through the coil skeleton and establishes the border at alnico, the border at the magnetic pole is established to neodymium iron boron magnetic steel, the magnetic pole is established in alnico top, be equipped with magnetic pole fastening screw hole on the magnetic pole unit, magnetic pole fastening screw hole runs through alnico and extends to the magnetic pole lower extreme, alnico, magnetic pole are fixed through magnetic pole fastening screw, magnetic pole fastening screw hole threaded connection, coil, alnico, neodymium iron boron magnetic steel, magnetic pole pass through sealing material and seal in the disk housing.
CN202020309927.4U 2020-03-13 2020-03-13 Electric permanent magnetic chuck based on modular design Expired - Fee Related CN211681087U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020309927.4U CN211681087U (en) 2020-03-13 2020-03-13 Electric permanent magnetic chuck based on modular design

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020309927.4U CN211681087U (en) 2020-03-13 2020-03-13 Electric permanent magnetic chuck based on modular design

Publications (1)

Publication Number Publication Date
CN211681087U true CN211681087U (en) 2020-10-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020309927.4U Expired - Fee Related CN211681087U (en) 2020-03-13 2020-03-13 Electric permanent magnetic chuck based on modular design

Country Status (1)

Country Link
CN (1) CN211681087U (en)

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Granted publication date: 20201016