CN218633585U - Mechanism is got to flexible clamp based on electromagnetic attraction - Google Patents
Mechanism is got to flexible clamp based on electromagnetic attraction Download PDFInfo
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- CN218633585U CN218633585U CN202223009130.0U CN202223009130U CN218633585U CN 218633585 U CN218633585 U CN 218633585U CN 202223009130 U CN202223009130 U CN 202223009130U CN 218633585 U CN218633585 U CN 218633585U
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Abstract
A flexible clamping mechanism based on electromagnetic attraction is used for the technical field of machining and assembling. The electromagnetic lifting mechanism is installed on the side edge of the rack and moves linearly along the vertical direction, and the electromagnetic mechanism is connected with the rack through the connecting mechanism. The motors of the lifting mechanism are symmetrically arranged along the rack, so that double lifting force is provided, and the lifting mechanism can continuously work when one motor fails, so that the robustness is high; the electromagnetic mechanism adopts an integrated design and is convenient to replace; the connecting mechanism consists of a spring and an elastic nut, so that the electromagnetic mechanism can be prevented from being in rigid contact with the workpiece, and the workpiece is prevented from being damaged; the utility model discloses an electro-magnet circular telegram produces the magnetic force principle, and elevating system delivers to the work piece top with electromagnetic mechanism, and electromagnetic mechanism circular telegram produces the electromagnetic force and adsorbs the work piece, and after the work piece transported the assigned position, electromagnetic mechanism outage, the electromagnetic force disappears, but the clamp is got fast most metal parts, has the response rapidly, easy and simple to handle and the high advantage of adaptability.
Description
Technical Field
The utility model relates to a machining and assembly technical field specifically are a mechanism is got to flexible clamp based on electromagnetic suction.
Background
In the prior art, the transfer problem of parts is frequently encountered during machining and assembly, and the parts need to be clamped by a clamping mechanism when different stations are switched. Most clamping mechanisms are mechanical, for example, the patent with publication number CN212686874U discloses a clamping mechanism for electronic products, which can clamp a plurality of workpieces at a time by controlling the actions of a manipulator; the patent publication No. CN111634669A discloses a fin clamping mechanism, which performs positioning on three coordinate axes by a moving unit, and then clamps a fin by a clamping unit, thereby realizing automatic clamping and automatic transferring of the fin. Although the mechanical clamping mode has low cost and wide application, the mechanical clamping mode has the defects of complex control program, inconvenient maintenance, workpiece damage and the like.
Disclosure of Invention
In view of the above problems in the prior art, an object of the present invention is to provide a flexible clamping mechanism based on electromagnetic attraction, which can quickly clamp a metal part, and simultaneously, adopts a flexible connection manner, so as to avoid rigid contact between an electromagnetic mechanism and a workpiece, thereby protecting the workpiece from damage.
In order to realize the aim, the flexible clamping mechanism comprises a lifting mechanism, an electromagnetic mechanism, a connecting mechanism and a frame; the lifting mechanism is arranged on the side edge of the rack and moves linearly along the vertical direction of the rack, and the electromagnetic mechanism is connected with the rack through a connecting mechanism.
Furthermore, the two groups of lifting mechanisms are symmetrically arranged on two sides of the rack; each group of lifting mechanisms comprises a rack, gears, sliding blocks, guide rails and a motor, wherein the guide rails are fixed on two sides of the rack, the gears are installed at the shaft ends of the motors, the gears and the racks are meshed with each other, two sliding blocks are installed on a motor base, and each sliding block is connected with the guide rails in a sliding mode; the motor drives the gear to rotate, so that the lifting mechanism moves linearly along the rack.
Furthermore, the electromagnetic mechanism is formed by four groups of electromagnets which are symmetrically distributed along the center of the rack, the electromagnetic mechanism comprises an armature, an end cover, a coil, a magnetic yoke and a casing, the coil is electrified to generate a magnetic field to magnetize the armature, the magnetized armature moves towards the magnetic yoke to further perform attraction and unlocking, and the coil is arranged in a space formed by the casing and the end cover.
Furthermore, the connecting mechanism consists of a spring and an elastic nut, and the spring is respectively connected with the electromagnetic mechanism and the rack through the elastic nut.
Furthermore, the frame comprises riser, diaphragm, reinforcing plate and fixed plate, passes through welded fastening between each metal sheet and connects.
The utility model discloses an elevating system sends electromagnetic mechanism to work piece top, produces the electromagnetic force behind the circular telegram of electromagnetic mechanism, adsorbs the work piece, and after the work piece was transported the assigned position, the outage of electromagnetic mechanism, the electromagnetic force disappeared.
Compared with the prior art, the lifting mechanism has the advantages that the motors in the lifting mechanism are symmetrically arranged along the rack, double lifting force can be provided, the lifting mechanism can continue to work when one of the motors fails, and the robustness is high; the electromagnetic mechanism adopts an integrated design, so that the replacement is convenient; the connecting mechanism consists of a spring and an elastic nut, so that the rigid contact between the electromagnetic mechanism and the workpiece can be avoided, and the workpiece is prevented from being damaged; the utility model discloses a principle that the electro-magnet circular telegram produced magnetic force can press from both sides fast and get most metal parts, has advantages such as response rapidly, easy and simple to handle and adaptability height.
Drawings
In order that the manner in which the present invention is made more readily will be understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, wherein:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the lifting mechanism of fig. 1.
Fig. 3 is a schematic diagram of the electromagnetic mechanism of fig. 1.
Fig. 4 is a first schematic view of the working principle of the present invention (the workpiece is flat).
Fig. 5 is a schematic view (workpiece inclined) of the working principle of the present invention.
Fig. 6 is a frame structure diagram of the present invention.
In the figure, 100-the lifting mechanism; 200-an electromagnetic mechanism; 300-a connection mechanism; 400-a rack; 101-a rack; 102-a gear; 103-a slide block; 104-a guide rail; 105-an electric machine; 201-an armature; 202-a housing; 203-a coil; 204-a magnetic yoke; 301-a spring; 302-a resilient nut; 401-a riser; 402-a transverse plate; 403-a reinforcement plate; 500-workpiece.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6, the present invention mainly includes a lifting mechanism 100, an electromagnetic mechanism 200, a connecting mechanism 300, and a frame 400; the lifting mechanism 100 is installed at a side of the frame 400 and moves linearly in a vertical direction thereof, and the electromagnetic mechanism 200 is connected to the frame 400 through a connection mechanism 300.
Preferably, the two sets of lifting mechanisms 100 are symmetrically arranged on two sides of the rack 400, and the motors 105 in the lifting mechanisms 100 are symmetrically arranged along the rack 400, so that the double lifting force can be provided, and the lifting mechanisms can continue to work when one of the motors fails; each group of lifting mechanisms 100 comprises a rack 101, a gear 102, two sliders 103, a guide rail 104 and a motor 105, wherein the guide rail 104 is fixed on two sides of the rack 101, the gear 102 is mounted at the shaft end of the motor 105, the gear 102 is meshed with the rack 101, two sliders 103 are mounted on a motor 105 seat, each slider 103 is connected with the guide rail 104 in a sliding manner, and the sliders 103 move on the guide rail 104 in a guiding manner; the motor 105 drives the gear 102 to rotate, so that the lifting mechanism 100 moves linearly along the frame 400.
Preferably, four groups of electromagnets of the electromagnetic mechanism 200 are symmetrically distributed along the center of the rack 400, the electromagnetic mechanism 200 includes an armature 201, an end cover, a coil 203, a magnetic yoke 204 and a housing 202, the coil 203 is electrified to generate a magnetic field to magnetize the armature 201, the magnetized armature 201 moves towards the magnetic yoke 204 to perform attraction and unlocking, and the coil 203 is disposed in a space formed by the housing 202 and the end cover.
Preferably, the connection mechanism 300 is composed of a spring 301 and an elastic nut 302, and the spring 301 is connected to the electromagnetic mechanism 200 and the frame 400 through the elastic nut 302. The connecting mechanism 300 adopts a structure of a spring 301 and an elastic nut 302, so that rigid contact between the electromagnetic mechanism 200 and the workpiece 500 can be effectively avoided, and the workpiece 500 is prevented from being damaged.
Preferably, the frame 400 is composed of a vertical plate 401, a horizontal plate 402, a reinforcing plate 403 and a fixing plate, the frame 400 is connected with the lifting mechanism 100 through the fixing plate, and the metal plates are fixedly connected through welding.
Preferably, the electromagnetic mechanism 200 generates an electromagnetic force after being powered on, and the electromagnetic force is greater than the weight of the clamped workpiece 500, so as to ensure the clamping requirement of the clamping mechanism on the workpiece; the electromagnetic force generated by the electromagnetic mechanism, based on the electromagnetic effect, is calculated as follows:
F
0
=B
2
S/2μ
0
B=NUμ
0
/Rδ= NIμ
0
/δ
F=4 F
0
=2B
2
S/μ
0
F
1
=Mg
in the formula (I), the compound is shown in the specification,F 0 andFthe electromagnetic force generated by a single electromagnet and the total electromagnetic force of an electromagnetic mechanism are respectively unit N;Bis the magnetic induction, in units of T;F 1 is the gravity of the workpiece in units of N;Sis the area of the suction surface, unit m 2 ；μ 0 Is the magnetic permeability of the vacuum and is,μ 0 =4π×10 -7 Wb/A.m；Nis the number of coil turns;Uis voltage, in units of V;Iis current, in units A;Ris a winding resistance, unit omega;δis the air gap length, in m;Mis the workpiece weight, g is the workpiece gravitational acceleration.
According to work piece weight size, the utility model discloses dispose corresponding electro-magnet, the utility model discloses the electromagnetic force that produces after the circular telegram of electromagnetic mechanism 200 is enough to satisfy the needs that electromagnetic mechanism 200 snatched different work pieces 500.
Preferably, the connecting mechanism 300 connects the electromagnetic mechanism 200 and the rack 400, when the electromagnetic mechanism 200 contacts the workpiece 500, the workpiece may be placed horizontally or obliquely, in different cases, the contact force between the electromagnetic mechanism 200 and the workpiece is different, the compression amount of the connecting mechanism 300 is different, and the compression force is calculated as follows:
(1) when the workpiece is horizontally placed, all the connecting mechanisms 300 have the same compression amount and compression forceF a =nkh；
(2) When the workpiece is obliquely placed, all the connecting mechanisms 300 have different compression amounts, and the compression force of a single connecting mechanismF i =k[L-(n-1)l]tanθ
Compressive force of all connecting mechanisms
In the formula (I), the compound is shown in the specification,nthe number of the springs;kis the stiffness of the spring, N/mm;his the compression of the spring, mm;Lis the maximum spacing of the springs, mm;lis the spacing, mm, of adjacent springs;θis the inclination angle of the workpiece in units of degrees.
Although the mode that the work piece was kept flat, the work piece was put to one side is different, and its contact force with electromagnetic mechanism 200 is different, the utility model discloses the contact force of electromagnetic mechanism 200 and work piece is enough to satisfy its needs that snatch different work pieces 500.
The utility model discloses during the use, the circular telegram of motor 105 drives gear 102 rotatory, and the engaging force that gear 102 and rack 101 meshing produced makes frame 400 make linear motion displacement along guide rail 104. When the lifting mechanism 100 descends to a position above the workpiece 500, the electromagnetic mechanism 200 is in contact with the workpiece 500, the coil 203 in the electromagnetic mechanism 200 is electrified to generate a magnetic field to further magnetize the armature 201, the magnetized armature 201 generates electromagnetic force to attract the workpiece 500, and the workpiece 500 is clamped. After the workpiece 500 is conveyed to a designated station, the coil 203 is powered off, the magnetic field of the armature 201 disappears, the electromagnetic mechanism 200 is separated from the workpiece 500, and the clamping mechanism moves to the next workpiece.
The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a mechanism is got to flexible clamp based on electromagnetic attraction which characterized in that: this flexible clamp is got mechanism includes:
the lifting mechanism (100), the electromagnetic mechanism (200), the connecting mechanism (300) and the rack (400);
the lifting mechanism (100) is installed on the side edge of the rack (400) and moves linearly along the vertical direction of the rack, and the electromagnetic mechanism (200) is connected with the rack (400) through a connecting mechanism (300).
2. The flexible clamping mechanism based on electromagnetic attraction force as claimed in claim 1, wherein: the two groups of lifting mechanisms (100) are arranged symmetrically on two sides of the rack (400); each group of lifting mechanisms (100) comprises a rack (101), a gear (102), sliding blocks (103), guide rails (104) and a motor (105), wherein the guide rails (104) are fixed on two sides of the rack (101), the gear (102) is installed at the shaft end of the motor (105), the gear (102) is meshed with the rack (101), two sliding blocks (103) are installed on a motor (105) seat, and each sliding block (103) is connected with the guide rails (104) in a sliding manner; the motor (105) drives the gear (102) to rotate, so that the lifting mechanism (100) moves linearly along the rack (400).
3. The flexible clamping mechanism based on electromagnetic attraction force as claimed in claim 1, wherein: the electromagnetic mechanism (200) is formed by symmetrically distributing four groups of electromagnets along the center of the rack (400), the electromagnetic mechanism (200) comprises an armature (201), an end cover, a coil (203), a magnetic yoke (204) and a shell (202), the coil (203) is electrified to generate a magnetic field to magnetize the armature (201), the magnetized armature (201) moves towards the magnetic yoke (204) to be further attracted and unlocked, and the coil (203) is arranged in a space formed by the shell (202) and the end cover.
4. The flexible clamping mechanism based on electromagnetic attraction force as claimed in claim 1, wherein: the connecting mechanism (300) is composed of a spring (301) and an elastic nut (302), and the spring (301) is connected with the electromagnetic mechanism (200) and the rack (400) through the elastic nut (302).
5. The flexible clamping mechanism based on electromagnetic attraction force as claimed in claim 1, wherein: the frame (400) comprises a vertical plate (401), a transverse plate (402), a reinforcing plate (403) and a fixing plate, and all metal plates are fixedly connected through welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223009130.0U CN218633585U (en) | 2022-11-11 | 2022-11-11 | Mechanism is got to flexible clamp based on electromagnetic attraction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223009130.0U CN218633585U (en) | 2022-11-11 | 2022-11-11 | Mechanism is got to flexible clamp based on electromagnetic attraction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218633585U true CN218633585U (en) | 2023-03-14 |
Family
ID=85446280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223009130.0U Active CN218633585U (en) | 2022-11-11 | 2022-11-11 | Mechanism is got to flexible clamp based on electromagnetic attraction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218633585U (en) |
-
2022
- 2022-11-11 CN CN202223009130.0U patent/CN218633585U/en active Active
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