CN217719285U - Tool for assembling multiple magnetic rings in same pole - Google Patents
Tool for assembling multiple magnetic rings in same pole Download PDFInfo
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- CN217719285U CN217719285U CN202221322825.1U CN202221322825U CN217719285U CN 217719285 U CN217719285 U CN 217719285U CN 202221322825 U CN202221322825 U CN 202221322825U CN 217719285 U CN217719285 U CN 217719285U
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Abstract
The utility model discloses a frock is used in homopolar equipment of many magnetic rings, include: the positioning device comprises a positioning workpiece and a pressing workpiece, wherein the positioning workpiece is provided with a cylindrical positioning main body, and the outer diameter of the positioning main body is matched with the inner diameter of a magnetic ring; one end of the pressure attaching workpiece is provided with a first jack for inserting the positioning main body along an axis, one end of the positioning main body radially extends outwards to form a stepped limiting seat body, and the pressure attaching workpiece and the positioning workpiece are matched for use to tightly press at least two magnetic rings sleeved on the positioning main body on the limiting seat body. The utility model discloses many magnetic rings homopolar equipment is provided with the location work piece and is pressed and attach the work piece, and the location work piece is used for placing the magnetic ring, can guarantee its concentricity, presses to attach the work piece and use the magnetic ring that repels each other with the cooperation of location work piece to compress tightly the location, ensures the equipment precision of magnetic ring, presses simultaneously to attach the work piece and can reach the effect that conveniently takes out the magnetic ring through another kind of cooperation mode with the location work piece again.
Description
Technical Field
The utility model relates to an assembly fixture technical field, in particular to many magnetic rings are frock for homopolar equipment.
Background
The permanent magnet is an indispensable part in the magnetic suspension centrifugal blood pump.
In order to meet the requirement that an impeller is in a suspension state in a working state, a magnetic field environment needs to be configured in a blood pump in the conventional magnetic suspension centrifugal blood pump, which is generally realized by placing magnetic rings in the blood pump, and one surfaces of the two magnetic rings with the same polarity need to be bonded and fixed in advance to meet the use requirement. Because the magnetic rings have the characteristics of attracting each other in the same magnetic polarity and repelling each other in the opposite magnetic polarity, the two magnetic rings can repel each other when the surfaces with the same magnetic polarity are close to each other, and the assembly and fixation of the two magnetic rings can not meet the standard requirements easily. Therefore, how to ensure positioning and ensure concentricity when assembling the two magnetic rings on the same polarity is a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a frock is used in equipment of many magnetic rings homopolarity can guarantee its equipment precision to the accurate location of magnetic ring.
The utility model discloses a solve the technical scheme that its technical problem adopted and be: the utility model provides a frock is used in equipment of many magnetic rings homopolarity, includes: the positioning workpiece is provided with a cylindrical positioning main body, and the outer diameter of the positioning main body is matched with the inner diameter of the magnetic ring; one end of the pressure-attaching workpiece is provided with a first jack for the positioning main body to insert into along an axis, one end of the positioning main body extends outwards along a radial direction to form a stepped limiting seat body, and the pressure-attaching workpiece and the positioning workpiece are matched to use to tightly press at least two magnetic rings sleeved on the positioning main body on the limiting seat body.
As a further improvement, the other end of the pressing workpiece is provided along the axis with a second jack which is communicated with the first jack, and the second jack is used for supplying the spacing seat body to insert.
As a further improvement, the inner diameter of the first jack is matched with the outer diameter of the positioning main body, and the inner diameter of the second jack is matched with the outer diameter of the limiting seat body and smaller than the outer diameter of the magnetic ring.
As a further improvement of the utility model, the diameter of the other end of the positioning main body is reduced to form a stepped clearance boss.
As a further improvement, the pressing attaches the work piece and is cylindric, the outer diameter that the pressing attached the work piece is cascaded increase from one end towards the other end.
The utility model has the advantages that: the utility model provides a many magnetic rings are frock for homopolar equipment is provided with the location work piece and presses and attaches the work piece, and the location work piece is used for placing the magnetic ring, can guarantee its concentricity, presses to attach the work piece and use the magnetic ring that repels each other with the cooperation of location work piece to compress tightly the location, ensures the equipment precision of magnetic ring, presses simultaneously to attach the work piece and the location work piece can reach the effect of conveniently taking out the magnetic ring again through another kind of cooperation mode, and simple structure, and it is also very convenient to use.
Drawings
Fig. 1 is a perspective view of the tool for homopolar assembly of multiple magnetic rings of the present invention;
fig. 2 is an exploded view of the tool for assembling multiple magnetic rings in the same pole;
fig. 3 is a perspective view of the tool for assembling multiple magnetic rings in the same pole of the utility model under the state of compressing two magnetic rings;
fig. 4 is a cross-sectional view of the multi-magnetic ring homopolar assembling tool of the present invention in a state of compressing two magnetic rings;
fig. 5 is a perspective view of the tool for assembling multiple magnetic rings in the same pole according to the present invention, in a state where two magnetic rings are taken out from the positioning workpiece.
The following description is made with reference to the accompanying drawings:
1. positioning a workpiece; 101. a positioning body; 102. a limiting seat body; 103. avoiding a blank boss; 2. pressing and attaching the workpiece; 201. a first jack; 202. a second receptacle.
Detailed Description
The following description of the preferred embodiments of the present invention will be made with reference to the accompanying drawings.
Referring to fig. 1 to 5, the utility model provides a many magnetic rings are frock for homopolar equipment, include: the positioning workpiece 1 and the pressing workpiece 2 are independent integrated structures, and the positioning workpiece 1 and the pressing workpiece 2 are mutually matched for use to position and compress a plurality of magnetic rings.
Referring to fig. 1 and 2, the positioning workpiece 1 has a cylindrical positioning main body 101, the outer diameter of the positioning main body 101 matches the inner diameter of the magnetic ring, and the concentricity of the magnetic rings can be ensured by sleeving the magnetic rings on the positioning main body 101. The lower end of the positioning main body 101 extends radially outwards to form a limiting base 102 forming a step shape with itself, and the limiting base 102 is used for stopping and limiting a magnetic ring sleeved on the positioning main body 101. The lower end of the press-attaching workpiece 2 is provided with a first insertion hole 201 along the axis for the positioning main body 101 to insert, and the inner diameter of the first insertion hole 201 is matched with the outer diameter of the positioning main body 101.
In this embodiment, after the two magnetic rings are not limited to be sleeved on the positioning main body 101, the pressing workpiece 2 is pressed on the positioning workpiece 1, so that the positioning main body 101 is inserted into the first insertion hole 201, and the pressing workpiece 2 presses the magnetic rings onto the limiting seat 102 through one end surface thereof. This application can be with the fine location that compresses tightly of the magnetic ring of mutual exclusion through adopting the cooperation of pressure to attach work piece 2 and location work piece 1 to can guarantee the concentricity, ensure the equipment precision of magnetic ring.
Referring to fig. 4 and 5, the upper end of the pressure-attaching workpiece 2 is provided with a second insertion hole 202 penetrating through the first insertion hole 201 along the axis, the inner diameter of the second insertion hole 202 is matched with the outer diameter of the limit seat 102 and is smaller than the outer diameter of the magnetic ring, and the second insertion hole 202 is used for inserting the limit seat 102. After the two magnetic rings are fixed, the magnetic rings need to be taken out from the positioning workpiece 1, at this time, after the press-attaching workpiece 2 is removed from the positioning workpiece 1, the limiting seat body 102 of the positioning workpiece 1 is inserted into the second insertion hole 202 of the press-attaching workpiece 2, and the press-attaching workpiece 2 is pushed out of the positioning main body 101 through the press-attaching magnetic ring on the other end face of the press-attaching workpiece. This application attaches work piece 2 and location work piece 1 cooperation through adopting the pressure to use, can reach the effect of conveniently taking out the magnetic ring simultaneously again.
Wherein, pressing attaches work piece 2 and is cylindricly, and the external diameter that presses to attach work piece 2 is cascaded increase from the lower extreme towards the upper end, presses the external diameter that attaches the one end at first jack 201 place of work piece 2 promptly to be less than the external diameter at second jack 202 place one end, and then can be convenient for discern and press first jack 201 and the second jack 202 position that attaches work piece 2.
Referring to fig. 2 and 5, the diameter of the upper end of the positioning body 101 is reduced to form a step-shaped clearance boss 103, and preferably, the length of the clearance boss 103 is smaller than the overlapping thickness of the two magnetic rings. The structural design is that when the magnetic ring is taken out from the positioning workpiece 1, the pressing workpiece 2 pushes the magnetic ring to slide along the positioning main body 101 to the maximum stroke, the magnetic ring slides to the position corresponding to the space-avoiding boss 103, and part of the magnetic ring is still connected to the positioning main body 101, and then the magnetic ring can be taken out by hand, so that the magnetic ring is prevented from directly falling from the positioning main body 101 and being damaged.
Wherein, an end face of the positioning main body 101 connected with the clearance boss 103 is provided with a chamfer around the edge so as to place a magnetic ring.
The process of assembling the magnetic rings by adopting the tool for assembling the multiple magnetic rings in the same pole of the embodiment is as follows: firstly, a positioning workpiece 1 is placed on a bench vice or a press, and two magnetic rings are downwards sleeved on a positioning main body 101 from the top of the positioning workpiece 1 (wherein the polarities of the side surfaces, close to each other, of the magnetic rings are the same and adhesive is coated on the side surfaces); then, the end of the first insertion hole 201 of the press-attaching workpiece 2 is sleeved on the positioning workpiece 1 from top to bottom, so that the positioning body 101 is inserted into the first insertion hole 201, and the press-attaching workpiece 2 is driven by means of a bench clamp or a press to press the magnetic ring onto the limiting seat 102 through the end face thereof (as shown in fig. 3); standing for a period of time until the two magnetic rings are bonded and fixed, removing the pressure-attaching workpiece 2 from the positioning workpiece 1, inverting the positioning workpiece 1 and the pressure-attaching workpiece 2, then sleeving the end, where the second jack 202 of the pressure-attaching workpiece 2 is located, of the positioning workpiece 1 from top to bottom, inserting the limiting seat body 102 into the second jack 202 (as shown in fig. 5), driving the pressure-attaching workpiece 2 through the other end face of the pressure-attaching workpiece 2 by using a bench clamp or a press machine, enabling the magnetic rings to slide downwards along the positioning main body 101 to the maximum stroke position, and finally manually taking out the magnetic rings from the positioning workpiece 1.
It can be understood that, for the assembly of more than two magnetic rings, the tool for assembling the multiple magnetic rings in the same pole is also applicable.
In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the invention. The foregoing description is only illustrative of the preferred embodiments of the invention, which can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. All the contents that do not depart from the technical solution of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention all still belong to the protection scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a frock is used in equipment of multipolar magnetic ring homopolar, its characterized in that includes: the magnetic ring positioning device comprises a positioning workpiece (1) and a pressing workpiece (2), wherein the positioning workpiece (1) is provided with a cylindrical positioning main body (101), and the outer diameter of the positioning main body (101) is matched with the inner diameter of a magnetic ring; one end of the pressure-attaching workpiece (2) is provided with a first jack (201) for the positioning main body (101) to insert into, one end of the positioning main body (101) extends outwards along the radial direction to form a stepped limiting seat body (102), and the pressure-attaching workpiece (2) and the positioning workpiece (1) are matched to use to press at least two magnetic rings sleeved on the positioning main body (101) onto the limiting seat body (102).
2. The tool for assembling the multiple magnetic rings in the same pole as the multiple magnetic rings in claim 1, wherein: the other end of the pressure-attaching workpiece (2) is provided with a second insertion hole (202) communicated with the first insertion hole (201) along the axis, and the second insertion hole (202) is used for inserting the limiting base body (102).
3. The tool for assembling the multiple magnetic rings in the same pole as the multiple magnetic rings in the claim 2, wherein: the inner diameter of the first insertion hole (201) is matched with the outer diameter of the positioning main body (101), and the inner diameter of the second insertion hole (202) is matched with the outer diameter of the limiting base body (102) and is smaller than the outer diameter of the magnetic ring.
4. The tool for assembling the multiple magnetic rings in the same pole as the multiple magnetic rings in claim 1, wherein: the diameter of the other end of the positioning main body (101) is reduced to form a step-shaped clearance boss (103).
5. The tool for assembling the multiple magnetic rings in the same pole as the multiple magnetic rings in claim 1, wherein: the pressure attaches work piece (2) and is cylindric, the external diameter that attaches work piece (2) is the cascaded increase from one end towards the other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221322825.1U CN217719285U (en) | 2022-05-30 | 2022-05-30 | Tool for assembling multiple magnetic rings in same pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221322825.1U CN217719285U (en) | 2022-05-30 | 2022-05-30 | Tool for assembling multiple magnetic rings in same pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217719285U true CN217719285U (en) | 2022-11-01 |
Family
ID=83794514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221322825.1U Active CN217719285U (en) | 2022-05-30 | 2022-05-30 | Tool for assembling multiple magnetic rings in same pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217719285U (en) |
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2022
- 2022-05-30 CN CN202221322825.1U patent/CN217719285U/en active Active
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