CN203357228U - Jig for grinding and polishing - Google Patents
Jig for grinding and polishing Download PDFInfo
- Publication number
- CN203357228U CN203357228U CN 201320422318 CN201320422318U CN203357228U CN 203357228 U CN203357228 U CN 203357228U CN 201320422318 CN201320422318 CN 201320422318 CN 201320422318 U CN201320422318 U CN 201320422318U CN 203357228 U CN203357228 U CN 203357228U
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- CN
- China
- Prior art keywords
- blocks
- tool
- connecting rod
- brass
- polishing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
A jig for grinding and polishing is a block-shaped body. One side surface of the block-shaped body is a grinding surface, the opposite other side surface of the block-shaped body is an acting surface of a grinding and polishing machine, a circular through hole is formed in the block-shaped body or a concave pit is formed in the acting surface of the block-shaped body, and the concave pit is in the shape of a spherical arc surface. As the cylindrical through hole or the concave pit in the shape of the spherical arc surface is formed in the block-shaped body, the spherical head of a connecting rod acts to the concave pit or the through hole when the head of the connecting rod of the handheld grinding and polishing machine is also spherical, and then the block-shaped body reciprocates. When the surface of a mould is polished, as the head of the connecting rod and the through hole or the concave pit in the block-shaped body are matched by the aid of the arc surface and can relatively slide even if the force applied by the connecting rod is large, the impact of the force of the connecting rod on the surface of the mould is decreased, and the surface of the mould cannot be scratched.
Description
Technical field
The utility model relates to a kind of tool for grinding and polishing, belongs to the surface of the work processing technology field.
Background technology
The develop rapidly of modern industry is had higher requirement to the surface quality of workpiece, and surface quality not only affects the outward appearance of workpiece, also directly affects serviceability and the life-span of workpiece, and the quality of surface quality is even more important concerning mould.In modern manufacturing, the mould manufacture is very important, becomes the important symbol of a national industrial level.Mould is to carry out a kind of instrument of part manufacture with copy mode, and in recent years, the development of mold manufacturing industry is increasingly swift and violent, and the application in mechanical industry is very extensive.Along with scientific technological advance, the aggravation of domestic and international market competition, also more and more higher to the requirement of mould.At present, surface roughness has become the important symbol of weighing the mould product quality, only has the roughness of die surface low, just can make by the roughness of the product of its processing also low.Therefore the important means that oneself becomes some vital part Surface Machining in mould, engineering machinery, Medical Devices and aerospace industry is gradually processed in surface finish.
Now, the processing of the shape on mold cavity surface has realized automation basically.The tool marks or the hardened layer that in order to remove machining or spark machined, on the mold cavity surface, stay, must carry out grinding and polishing processing to the mold cavity surface after geometry processing, to obtaining desired size, shape, positional precision and surface roughness.Grinding and polishing, as one important procedure of mold cavity processing, accounts for 30% ~ 50% of whole mould manufacturing time its process time, and cost accounts for 5% ~ 30% of complete manufacturing cost.Grinding and polishing has become the bottleneck in die manufacture.
At present the most frequently used abrasive polishing method is the hand lapping polishing, is secondly ultrasonic polishing, electron beam polishing, electrobrightening, chemical polishing, Magnetic Abrasive Finishing, the clear mill of extruding and some multiple grinding polishing new technology new methods of being comprised of them.In these abrasive polishing methods, the hand lapping polishing has simply, cost is low, can, to advantages such as tiny profile polishings, make it become main polishing means.The equipment that the hand lapping polishing is used is mainly some hand-held grinding polishing machines, its structure is rotated by eccentric stiffener of driven by motor usually, then drive main shaft by the eccentric shaft on eccentric stiffener by connecting rod reciprocating, front-end of spindle is equipped with fixture, accompany connecting rod on fixture, this connecting rod acts on oilstone, diamond cream etc., utilizes the shear action of auxiliary material to make surfacing.
Summary of the invention
The utility model provides a kind of tool for grinding and polishing.
For achieving the above object, the technical solution adopted in the utility model is: a kind of tool for polisher lapper, and described tool is blocks, a side of this blocks is abradant surface, the acting surface that relative another side is polisher lapper; Described blocks is provided with cylindrical hole, or establishes pit on the acting surface of described blocks, this pit be shaped as spherical arc surface.
Preferred technical scheme is: described pit is located at the symmetrical centre place of described acting surface.
Preferred technical scheme is: described through hole is located at the symmetrical centre place of described blocks.
Preferred technical scheme is: described blocks is that cross sectional shape is leg-of-mutton blocks.
Preferred technical scheme is: described blocks is that cross sectional shape is circular blocks.
Preferred technical scheme is: the diameter of described circle is 2 ~ 20 millimeters.
Preferred technical scheme is: described blocks is the blocks that cross sectional shape is rectangle.
Preferred technical scheme is: the length of side of described rectangle is 2 ~ 20 millimeters.
Preferred technical scheme is: the material of described blocks is H85 brass, H86 brass, H87 brass, H88 brass, H89 brass or H90 brass.
Because technique scheme is used, the utility model compared with prior art has following advantages:
1, be provided with cylindrical hole due to blocks of the present utility model or be shaped as the pit of spherical arc surface, when the head of the connecting rod of hand-held grinding polishing machine is also spherical, the spherical head of connecting rod acts on pit or through hole moves back and forth while with the surface to mould, carrying out polishing operation blocks, because both are that arc surface coordinates, even the power that connecting rod applies is larger, owing to relative slip can occurring between the two, thereby the power that makes connecting rod reduces the impact of die surface, therefore can not produce cut at die surface.And, because both are that arc surface coordinates, no matter how the connecting rod of hand-held grinding polishing machine and blocks change as the angle of oilstone, blocks, as oilstone is to be flattened on the die surface operation always, has guaranteed that die surface is smooth.
2, because cross sectional shape of the present utility model is circle, triangle or rectangle, therefore can all can process for the difformity of mold cavity.
3, be the brass of H85 ~ H90 due to material of the present utility model, because can produce chip at abradant surface when brass is softer, can scratch the surface of mould when harder.
The accompanying drawing explanation
The blocks schematic diagram that accompanying drawing 2 is rectangle for cross sectional shape
Accompanying drawing 3 acts on the utility model schematic diagram for spherical connecting bar.
In above accompanying drawing: 1, blocks; 2, cylindrical hole; 3, connecting rod.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment: a kind of tool for polisher lapper
Shown in accompanying drawing 1 and accompanying drawing 2, a kind of tool for polisher lapper, described tool is blocks 1, one side of this blocks 1 is acting surface, so-called acting surface refers to when die surface is carried out to grinding operation, the connecting rod of hand-held grinding polishing machine against the side, and play reverse side abradant surface just.Be that hand-held grinding polishing machine imposes on power the acting surface of the utility model blocks, this power is conducted to abradant surface and is made abradant surface carry out cutting operation to the air spots place of mould.Described blocks is provided with cylindrical hole 2, or establishes pit on the acting surface of described blocks, this pit be shaped as spherical arc surface.
As described in Figure 3, because blocks 1 of the present utility model is provided with cylindrical hole 2 or is shaped as the pit of spherical arc surface, when the head of the connecting rod 3 of hand-held grinding polishing machine is also spherical, the spherical head of connecting rod 3 acts on pit or cylindrical hole 2 moves back and forth while with the surface to mould, carrying out polishing operation blocks, because both are that arc surface coordinates, even the power that connecting rod 3 applies is larger, owing to relative slip can occurring between the two, thereby the power that makes connecting rod 3 reduces the impact of die surface, therefore can not produce cut at die surface.The structure of hand lapping polishing is rotated by eccentric stiffener of driven by motor usually, then drive main shaft by the eccentric shaft on eccentric stiffener by connecting rod (this connecting rod is the connecting rod of toggle) reciprocating, front-end of spindle is equipped with fixture, accompanies connecting rod 3 on fixture.Because both are that arc surface coordinates, how the connecting rod 3 of hand-held grinding polishing machine changes with the angle of blocks 1, and blocks 1 is to be flattened on the die surface operation always, has guaranteed that die surface is smooth.
In order to make the hand-held grinding polishing machine applied force more steady, generally described pit to be located to the symmetrical centre place of described acting surface.Described through hole is located at the symmetrical centre place of described blocks.
In order all to process for difform mold cavity, it is leg-of-mutton blocks that described blocks can be selected cross sectional shape.Also can select cross sectional shape is circular blocks.The diameter of described circle can be 2 ~ 20 millimeters.Also can select the blocks that cross sectional shape is rectangle.The length of side of described rectangle can be 2 ~ 20 millimeters.The concrete selection is to select according to the size and dimension of mould.
The material of described blocks is H85 brass, H86 brass, H87 brass, H88 brass, H89 brass or H90 brass.Described blocks is oilstone also.
Above-described embodiment is only explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection domain of the present utility model.
Claims (9)
1. the tool for polisher lapper, it is characterized in that: described tool is blocks, a side of this blocks is abradant surface, the acting surface that relative another side is polisher lapper; Described blocks is provided with cylindrical hole, or establishes pit on the acting surface of described blocks, this pit be shaped as spherical arc surface.
2. the tool for polisher lapper according to claim 1, it is characterized in that: described pit is located at the symmetrical centre place of described acting surface.
3. the tool for polisher lapper according to claim 1, it is characterized in that: described through hole is located at the symmetrical centre place of described blocks.
4. the tool for polisher lapper according to claim 1, it is characterized in that: described blocks is that cross sectional shape is leg-of-mutton blocks.
5. the tool for polisher lapper according to claim 1, it is characterized in that: described blocks is that cross sectional shape is circular blocks.
6. the tool for polisher lapper according to claim 5, it is characterized in that: the diameter of described circle is 2 ~ 20 millimeters.
7. the tool for polisher lapper according to claim 1, it is characterized in that: described blocks is the blocks that cross sectional shape is rectangle.
8. the tool for polisher lapper according to claim 7, it is characterized in that: the length of side of described rectangle is 2 ~ 20 millimeters.
9. the tool for polisher lapper according to claim 7, it is characterized in that: the material of described blocks is H85 brass, H86 brass, H87 brass, H88 brass, H89 brass or H90 brass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320422318 CN203357228U (en) | 2013-07-16 | 2013-07-16 | Jig for grinding and polishing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320422318 CN203357228U (en) | 2013-07-16 | 2013-07-16 | Jig for grinding and polishing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203357228U true CN203357228U (en) | 2013-12-25 |
Family
ID=49805048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320422318 Expired - Lifetime CN203357228U (en) | 2013-07-16 | 2013-07-16 | Jig for grinding and polishing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203357228U (en) |
-
2013
- 2013-07-16 CN CN 201320422318 patent/CN203357228U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |
|
| CX01 | Expiry of patent term |