CN210099476U - Magnetic workbench - Google Patents
Magnetic workbench Download PDFInfo
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- CN210099476U CN210099476U CN201920507438.7U CN201920507438U CN210099476U CN 210099476 U CN210099476 U CN 210099476U CN 201920507438 U CN201920507438 U CN 201920507438U CN 210099476 U CN210099476 U CN 210099476U
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Abstract
The utility model discloses a magnetic workbench, which comprises a polyhedral base with a polyhedral cross section, wherein at least two surfaces of the polyhedral base are respectively provided with a rectangular groove, a plurality of magnetic pole units arranged in a plurality of rows are arranged in the rectangular groove, a gap is arranged between two adjacent magnetic pole units, the gaps between two adjacent magnetic pole units and the gaps between the magnetic pole units and the groove walls of the rectangular groove are both filled with sealing epoxy resin, and the resin body is formed after the epoxy resin is completely hardened, the upper end surfaces of all the magnetic pole units in the rectangular groove are flush with the surface of the polyhedral base in which the rectangular groove is positioned to form a magnetic working surface, the magnetizing and demagnetizing operations of the magnetic working surface are independently controlled, one of the magnetic working surfaces is a machine tool adsorption surface, the other magnetic working surfaces are workpiece adsorption surfaces, or all the magnetic working surfaces are workpiece adsorption surfaces; the advantages are low cost, convenient installation and maintenance, high universality and capability of realizing multi-surface adsorption and multi-surface independent control.
Description
Technical Field
The utility model relates to a magnetic force equipment especially relates to a magnetic workbench, and it is applied to the occasion that needs use magnetism to adsorb.
Background
Magnetic templates have been increasingly used in various industries, such as the injection molding industry, the machining industry, the freight industry, etc., which have become the development trend in the future. At present, the common magnetic templates in the market are all single-sided adsorption or single-sided control magnetic plates, and the operation of the magnetic templates is only directed at the operation of magnetizing and demagnetizing on the working surface (i.e. the workpiece placing surface) of the magnetic plates. Such a magnetic template is usually installed in a machining center of a machine tool by a screw fixing method or a welding method, but the screw fixing or the welding is troublesome and cannot be installed automatically. On the other hand, under a specific working condition, such as a working condition that workpieces are processed in a pentahedron processing center or a processing center with a rotating shaft, the magnetic template can only adsorb a small amount of workpieces once, so that the working efficiency is low.
Disclosure of Invention
The utility model aims to solve the technical problem that a magnetism workstation is provided, its is with low costs, installation easy maintenance, commonality are high, and can realize that the multiaspect adsorbs and the function of multiaspect independent control.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a magnetic workbench is characterized by comprising a polyhedral base with a polyhedral cross section, wherein rectangular grooves are respectively formed in at least two surfaces of the polyhedral base, a plurality of magnetic pole units which are arranged into a plurality of rows are arranged in the rectangular grooves, gaps exist between every two adjacent magnetic pole units, the gaps between every two adjacent magnetic pole units and the gaps between the magnetic pole units and the groove walls of the rectangular grooves are filled with sealing epoxy resin and form a resin body after the sealing epoxy resin is completely hardened, the upper end surfaces of all the magnetic pole units in the rectangular grooves are flush with the surface of the polyhedral base where the rectangular grooves are located to form a magnetic working surface, the magnetizing and demagnetizing operations of the magnetic working surfaces are independently controlled, one of the magnetic working surfaces is a machine tool adsorption surface, the rest of the magnetic working surfaces are workpiece adsorption surfaces, or all the magnetic working surfaces are workpiece adsorption surfaces.
The magnetic pole unit comprises a magnetic pole, a first permanent magnet, an excitation coil and a second permanent magnet, wherein the first permanent magnet is arranged on the periphery of the magnetic pole, the excitation coil is arranged on the periphery of the second permanent magnet, the first permanent magnet is stacked on the excitation coil, a screw penetrates through the magnetic pole and the second permanent magnet to enable the magnetic pole unit to be fixed in the rectangular groove, and all the excitation coils in the rectangular groove are connected in series or in parallel or in series and parallel. The whole magnetic pole unit is cuboid or cube, and each part in the magnetic pole unit can be produced in a standardized way, so that the production cost is effectively reduced.
The magnetic poles are N poles or S poles, and all the magnetic poles in the rectangular groove are adjacently arranged in a bipolar mode of the N poles and the S poles. The mode of the adjacent arrangement of the N pole magnetic pole and the S pole magnetic pole achieves excellent magnetic balance, thereby ensuring that the workpiece is in neutral state during processing.
The first permanent magnet is formed by enclosing four first permanent magnet blocks; the second permanent magnet is formed by splicing two second permanent magnet blocks.
The number of the magnetic pole units in each row is even. If only one magnetic pole unit is arranged in the rectangular groove, the adsorption effect is poor; if odd number of magnetic pole units are arranged in the rectangular groove, the magnetic balance effect is poor, so that even number of magnetic pole units are selected to achieve excellent magnetic balance effect.
The magnetic workbench is applied to a machine tool machining center or a pentahedron machining center, and the positioning holes are combined with the positioning pins to prevent the magnetic workbench from displacing in the workpiece machining process so as to meet the high-precision positioning requirement.
Polyhedron base on be provided with one and can accompany polyhedron base's power cable, or deal with rotatory power cable of inserting the type soon of polyhedron base, every the rectangle recess in all excitation coil establish ties or parallelly connected or the series-parallel connection after with power cable connect to guarantee the function of magnetization and demagnetization.
The power cable is installed on the polyhedral base through an aviation plug. The aviation plug capable of being plugged and unplugged quickly is utilized, so that the aviation plug can be connected only when magnetization and demagnetization operations are needed, and can be pulled out at any angle when a workpiece is machined.
Fixing seats are arranged at two ends of the polyhedron base, and fixing holes used for fixing the magnetic workbench on a rotating shaft in a machining center with the rotating shaft are formed in the fixing seats.
Compared with the prior art, the utility model has the advantages of:
1) when the magnetic workbench is applied to a machine tool machining center or a pentahedron machining center, one magnetic working surface is a machine tool adsorption surface, the other magnetic working surfaces are workpiece adsorption surfaces, and the magnetic workbench can be directly adsorbed in the machine tool machining center or the pentahedron machining center through the machine tool adsorption surface, so that convenience is brought, and automatic clamping operation of the magnetic workbench can be realized; when the magnetic workbench is applied to a machining center with a rotating shaft, all magnetic working surfaces are workpiece adsorption surfaces.
2) When the magnetic workbench is provided with a plurality of workpiece adsorption surfaces, the magnetic workbench can adsorb and clamp a plurality of workpieces at one time, and the working efficiency is improved.
3) The resin body in the magnetic workbench can ensure the sealing performance of the magnetic pole unit so as to meet the waterproof (cutting fluid) requirements of various machining centers.
4) When one or more magnetic pole units in the magnetic workbench have faults, only the resin body needs to be damaged, and the faulted magnetic pole units are replaced, so that the interchangeability is high, and the whole magnetic workbench does not need to be returned to a factory for maintenance.
5) The magnetizing and demagnetizing operations of each magnetic working surface of the magnetic working table are independently controlled, and the independent control of the magnetizing and demagnetizing operations of a plurality of magnetic working surfaces can be synchronously realized.
Drawings
Fig. 1 is a schematic view of a partially exploded structure of a magnetic worktable of the present invention;
fig. 2 is a schematic view of a magnetic working surface of the magnetic table of the present invention;
fig. 3 is a schematic view of another magnetic working surface of the magnetic working table of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
The first embodiment is as follows:
the magnetic workbench provided by the embodiment comprises a tetrahedral base with a tetrahedral cross section, namely a rectangular base 1 (namely a polyhedral base is the rectangular base 1), wherein rectangular grooves 11 are respectively formed on the upper surface and the lower surface of the rectangular base 1, 8 magnetic pole units 2 arranged in a line are arranged in the rectangular grooves 11, a gap exists between every two adjacent magnetic pole units 2, the gap between every two adjacent magnetic pole units 2 and the gap between the magnetic pole units 2 and the groove wall of the rectangular groove 11 are both filled with sealing epoxy resin, a resin body 3 is formed after the sealing epoxy resin is completely hardened, the upper end surfaces of all the magnetic pole units 2 in the rectangular grooves 11 are flush with the surface of the rectangular base 1 where the rectangular grooves 11 are positioned to form a magnetic working surface 4, the magnetizing and demagnetizing operations of the magnetic working surface 4 are independently controlled, and one of the magnetic working surfaces 4 is a machine tool adsorption surface, the rest magnetic working surfaces 4 are workpiece adsorption surfaces, or all the magnetic working surfaces 4 are workpiece adsorption surfaces.
The magnetic workbench can be applied to a machine tool machining center or a pentahedron machining center, one magnetic working surface 4 is a machine tool adsorption surface, the other magnetic working surfaces 4 are workpiece adsorption surfaces, and the magnetic workbench can be directly adsorbed in the machine tool machining center or the pentahedron machining center through the machine tool adsorption surface, so that the magnetic workbench is convenient and can be automatically clamped; the magnetic workbench can also be applied to a machining center with a rotating shaft, all the magnetic working surfaces 4 are workpiece adsorption surfaces at the moment, the two ends of the rectangular base 1 are required to be provided with fixing seats 12, and the fixing seats 12 are provided with fixing holes 13 used for fixing the magnetic workbench on the rotating shaft in the machining center with the rotating shaft.
Example two:
the present embodiment provides a magnetic workbench, which is based on the magnetic workbench of the first embodiment, and the structure of the magnetic pole unit 2 is defined, that is, the magnetic pole unit 2 is composed of a magnetic pole 21, a first permanent magnet 22, an excitation coil 23, and a second permanent magnet 24, the first permanent magnet 22 is disposed at the periphery of the magnetic pole 21, the excitation coil 23 is disposed at the periphery of the second permanent magnet 24, the first permanent magnet 22 is stacked on the excitation coil 23, the magnetic pole unit 2 is fixed in the rectangular groove 11 by using a screw 25 through the magnetic pole 21 and the second permanent magnet 24, all the excitation coils 23 in the rectangular groove 11 are connected in series or in parallel or in series and parallel, the rectangular base 1 is provided with a power cable 5 that can accompany the rectangular base 1, or a fast plug type power cable 5 that can correspond to the rotation of the rectangular base 1, all the excitation coils 23 in each rectangular groove 11 are connected in series or in parallel or series and parallel and then connected with the, to ensure the functions of magnetization and demagnetization. The whole magnetic pole unit 2 is cuboid or cube, each part in the magnetic pole unit 2 can be produced in a standardized way, and the production cost is effectively reduced; the power cable 5 is installed on the rectangular base 1 through the aviation plug, and the aviation plug capable of being plugged and unplugged quickly is utilized, so that the connection can be realized only when the magnetizing and demagnetizing operations are needed, and the connection can be pulled out when a workpiece is machined, and the rotation can be realized at any angle.
In the present embodiment, the polarity of the magnetic poles 21 is N-pole or S-pole, and all the magnetic poles 21 in the rectangular recess 11 are arranged adjacently in N-pole and S-pole bipolarity. The mode of the adjacent arrangement of the N pole magnetic pole and the S pole magnetic pole achieves excellent magnetic balance, thereby ensuring that the workpiece is in neutral state during processing.
In the present embodiment, the first permanent magnet 22 is surrounded by four first permanent magnet blocks 221; the second permanent magnet 24 is formed by splicing two second permanent magnet blocks 241.
Example three:
in the magnetic workbench provided in this embodiment, the magnetic workbench according to the first embodiment or the second embodiment is further improved, that is, the rectangular base 1 is provided with the plurality of positioning holes 14, and when the magnetic workbench is applied to a machine tool machining center or a pentahedron machining center, the positioning holes 14 are combined with positioning pins to prevent the magnetic workbench from being displaced in a workpiece machining process, so as to meet the requirement of high-precision positioning.
Claims (9)
1. A magnetic workbench is characterized by comprising a polyhedral base with a polyhedral cross section, wherein rectangular grooves are respectively formed in at least two surfaces of the polyhedral base, a plurality of magnetic pole units which are arranged into a plurality of rows are arranged in the rectangular grooves, gaps exist between every two adjacent magnetic pole units, the gaps between every two adjacent magnetic pole units and the gaps between the magnetic pole units and the groove walls of the rectangular grooves are filled with sealing epoxy resin and form a resin body after the sealing epoxy resin is completely hardened, the upper end surfaces of all the magnetic pole units in the rectangular grooves are flush with the surface of the polyhedral base where the rectangular grooves are located to form a magnetic working surface, the magnetizing and demagnetizing operations of the magnetic working surfaces are independently controlled, one of the magnetic working surfaces is a machine tool adsorption surface, the rest of the magnetic working surfaces are workpiece adsorption surfaces, or all the magnetic working surfaces are workpiece adsorption surfaces.
2. A magnetic work table according to claim 1, wherein the pole unit is composed of a pole, a first permanent magnet disposed at the outer periphery of the pole, an exciting coil disposed at the outer periphery of the second permanent magnet, the first permanent magnet being stacked on the exciting coil, the pole unit being fixed in the rectangular recess by passing a screw through the pole and the second permanent magnet, all the exciting coils in the rectangular recess being connected in series or in parallel or in series and parallel.
3. A magnetic work table according to claim 2, wherein the polarity of said magnetic poles is N-pole or S-pole, and all said magnetic poles in said rectangular recesses are arranged adjacently in N-pole and S-pole bipolarity.
4. A magnetic workbench in accordance with claim 2, wherein said first permanent magnet is enclosed by four first permanent magnets; the second permanent magnet is formed by splicing two second permanent magnet blocks.
5. A magnetic table according to any of claims 1 to 4, wherein the number of pole units in each column is an even number.
6. A magnetic workbench according to claim 5, wherein a plurality of positioning holes are provided on the polyhedral base, and when the magnetic workbench is applied to a machine tool machining center or a pentahedron machining center, the positioning holes are combined with positioning pins to prevent the magnetic workbench from being displaced during the machining of workpieces.
7. A magnetic workbench in accordance with claim 2, wherein said polyhedral base is provided with a power cable capable of accompanying said polyhedral base or a power cable of a quick-insertion type for coping with the rotation of said polyhedral base, and all said excitation coils in each of said rectangular recesses are connected in series or in parallel or in series and parallel to be connected with said power cable.
8. A magnetic work head according to claim 7, wherein the power cables are mounted to the polyhedral base by means of aircraft plugs.
9. A magnetic workbench according to claim 1, 7 or 8, wherein the two ends of the polyhedron base are provided with fixing seats, and the fixing seats are provided with fixing holes for fixing the magnetic workbench on a rotating shaft in a machining center with a rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920507438.7U CN210099476U (en) | 2019-04-15 | 2019-04-15 | Magnetic workbench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920507438.7U CN210099476U (en) | 2019-04-15 | 2019-04-15 | Magnetic workbench |
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| Publication Number | Publication Date |
|---|---|
| CN210099476U true CN210099476U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920507438.7U Active CN210099476U (en) | 2019-04-15 | 2019-04-15 | Magnetic workbench |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110103039A (en) * | 2019-04-15 | 2019-08-09 | 宁波海迈克精密机械制造有限公司 | A kind of magnetic worktable |
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2019
- 2019-04-15 CN CN201920507438.7U patent/CN210099476U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110103039A (en) * | 2019-04-15 | 2019-08-09 | 宁波海迈克精密机械制造有限公司 | A kind of magnetic worktable |
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