CN212600349U - Special milling and grinding clamp for fixing large-sized open nut - Google Patents
Special milling and grinding clamp for fixing large-sized open nut Download PDFInfo
- Publication number
- CN212600349U CN212600349U CN202020866456.7U CN202020866456U CN212600349U CN 212600349 U CN212600349 U CN 212600349U CN 202020866456 U CN202020866456 U CN 202020866456U CN 212600349 U CN212600349 U CN 212600349U
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- milling
- grinding
- split nut
- nut
- clamp
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- 238000003801 milling Methods 0.000 title claims abstract description 75
- 238000000227 grinding Methods 0.000 title claims abstract description 54
- 230000006835 compression Effects 0.000 claims abstract description 17
- 238000007906 compression Methods 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 14
- 238000003825 pressing Methods 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000009977 dual effect Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 239000004576 sand Substances 0.000 description 3
- 229910001208 Crucible steel Inorganic materials 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a be used for fixed large-scale opening nut special use to mill and grind anchor clamps, the device includes: the milling and grinding clamp comprises a milling and grinding clamp body, a split nut workpiece, a pressing plate, a pressing bolt, a guide shaft and a base. When the large split nut is used for milling a datum plane, a milling fixture main body is clamped and fixed on a milling machine workbench through a base U-shaped clamping groove for processing, the milling fixture main body is transferred to a plane grinder for processing after milling, the milling fixture is adsorbed on the plane grinder by utilizing a magnetic workbench on the plane grinder, the large split nut is hoisted in the milling fixture main body, and the compression plate is supported by adjusting the compression bolt for clamping and fixing the large split nut. When the reference surface of the split nut is ground, the operation is simple and convenient. The clamp solves the problems of complex working procedures, poor stability and low safety in the milling and grinding process of the large split nut, realizes dual purposes of milling and grinding of one clamp, and improves the production efficiency and the economic benefit.
Description
Technical Field
The utility model relates to split nut processing technology, especially a special milling and grinding anchor clamps that is used for fixed large-scale split nut.
Background
With the rapid development of the mechanical manufacturing industry, the mechanical processing technology tends to mature day by day, and the split nut is widely applied to various mechanical equipment such as machinery, traffic, buildings and the like as a common processing product in the field of mechanical manufacturing, and the quality of the split nut processing not only affects the service life of the equipment, but also relates to the personal safety of personnel using the equipment.
For large split nuts used in large injection molding machines and die casting machines, the large split nuts are generally 300mm-400mm in diameter and are made of cast steel, and split blanks are large in size, heavy in weight and large in milling and grinding difficulty. The large-sized open-close nut is mainly formed by finely machining and combining two half-open nuts, but the two half-open nuts are both required to be initially machined by milling. The existing production clamps the half-open nut on a milling machine, carries out milling processing, then transfers to a surface grinding machine to grind the half-open nut, and the following problems exist in the processing mode:
1. the stability and safety of the split nut during milling are poor, the milling size is easy to deviate, two half-split nuts are not matched, waste products are easy to generate, and manpower, financial resources and product materials are wasted;
2. when the workpiece is not ground, no special clamp is used for clamping, so that the workpiece is easy to move, and accidents are caused.
In order to solve these problems, scientific research institutions and scientific personnel of enterprises are continuously exploring and researching, and by utilizing modern scientific technologies, a special milling and grinding clamp for fixing large-sized open nuts is desired, and although some progress is made in the technology, the technical problem which is not overcome in the practical application still exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome above not enough, provide a special milling and grinding anchor clamps that is used for fixed large-scale open nut, the device includes: the milling and grinding clamp comprises a milling and grinding clamp body, a split nut workpiece, a pressing plate, a pressing bolt, a guide shaft, a base, a U-shaped clamping groove and a steel plate. When the large split nut is used for milling a datum plane, a milling fixture main body is clamped and fixed on a milling machine workbench through a base U-shaped clamping groove for processing, the milling fixture main body is transferred to a plane grinder for processing after milling, the milling fixture is adsorbed on the plane grinder by utilizing a magnetic workbench on the plane grinder, the large split nut is hoisted in the milling fixture main body, and the compression plate is supported by adjusting the compression bolt for clamping and fixing the large split nut. When the reference surface of the split nut is ground, the operation is simple and convenient. The clamp solves the problems of complex working procedures, poor stability and low safety in the milling and grinding process of the large split nut, realizes dual purposes of milling and grinding of one clamp, and improves the production efficiency and the economic benefit.
The utility model adopts the technical proposal that: a special milling and grinding clamp for fixing a large-size open nut comprises: the milling and grinding clamp comprises a milling and grinding clamp body, a split nut workpiece, a pressing plate, a pressing bolt, a guide shaft, a base, a U-shaped clamping groove and a steel plate. The milling and grinding clamp comprises a milling and grinding clamp body and is characterized in that the milling and grinding clamp body is a rectangular frame, a base is arranged below the milling and grinding clamp body, two ends of the base are respectively provided with a U-shaped clamping groove, the U-shaped clamping grooves are identical to a milling machine workbench, two sides of the base are respectively provided with a steel plate and the base in a welded mode, the steel plates on the two sides are provided with a plurality of threaded holes, the threaded holes are identical to compression bolts, the inner sides of the steel plates on the two sides are respectively provided with a compression plate, the compression plates are identical to split nut workpieces, the compression plates are provided with two guide shafts and the steel plates on.
The utility model discloses the technical principle who adopts is: a milling and grinding clamp special for fixing a large open nut is characterized in that a semi-open large open nut steel casting is cleaned, an uneven surface is ground by a sand lifting mill to achieve surface leveling, a milling and grinding clamp body is clamped and fixed on a milling machine workbench through a base U-shaped clamping groove, then the open nut body is hung in the milling and grinding clamp body, the reference surface is upward, a pressing plate is pressed against the pressing plate to clamp and fix the open nut body through adjusting a pressing bolt, the reference surface is milled, the surface is roughly machined and then finely machined to meet the drawing machining requirements, the surface is transferred to a plane grinding machine, the bottom surface plane of the milling and grinding clamp body is adsorbed on the workbench of the plane grinding machine through a magnetic workbench on the plane grinding machine to be ground to meet the precision requirements; the split nut main body is upward in split surface, the compression plate is supported by adjusting the compression bolt to clamp and fix the split nut main body, the split surface is milled, the surface is firstly roughly processed, then the finish processing is carried out, the drawing processing requirement is met, the split nut main body is transferred to a plane grinder, the bottom surface plane of the milling and grinding clamp main body is adsorbed on a workbench of the plane grinder to be ground through a magnetic workbench on the plane grinder, the precision requirement is met, and the other half of the split nut main body is processed by the same process to meet the precision requirement.
The utility model has the advantages that:
1. this fixed large-scale split nut mills and grinds anchor clamps adopts the fixed large-scale split nut of pressure strip, security and stability when having improved large-scale split nut and milling, and convenient operation is simple.
2. The milling and grinding clamp realizes dual purposes of milling and grinding of one clamp, and improves production efficiency and economic benefit.
Drawings
FIG. 1 is a front view of a milling fixture and a large split nut combination;
FIG. 2 is a top view of the milling fixture in combination with a large split nut;
fig. 3 is a left side view of the milling fixture and large half nut combination.
In fig. 1, 2, 3: the milling and grinding clamp comprises a milling and grinding clamp body 1, a split nut workpiece 2, a pressing plate 3, a pressing bolt 4, a guide shaft 5, a base 6, a U-shaped clamping groove 7 and a steel plate 8.
Detailed Description
The milling and grinding clamp special for fixing the large-size open nut is further described in the following with reference to the attached drawings:
in fig. 1, 2 and 3, a milling and grinding clamp special for fixing a large-sized split nut comprises: the milling and grinding clamp comprises a milling and grinding clamp body 1, a split nut workpiece 2, a pressing plate 3, a pressing bolt 4, a guide shaft 5, a base 6 and a U-shaped clamping groove 7. Milling and grinding anchor clamps main part 1 be rectangular frame, be equipped with base 6 below, 6 both ends of base respectively are equipped with a U-shaped clamping groove 7, U-shaped clamping groove 7 is identical with the milling machine workstation, 6 both sides of base respectively are equipped with a steel sheet 8 and base welding forms, be equipped with a plurality of screw holes on the steel sheet 8 of both sides, the screw hole is identical with clamp bolt 4, 8 inboard of both sides steel sheet respectively are equipped with a pressure strip 3, pressure strip 3 is identical with split nut work piece 2, be equipped with two guiding axles 5 on the pressure strip 3 and mill and grind the 8 swing joint of steel sheet of 1 both sides of anchor clamps main part, split nut work piece 2 is equipped with in the frame above the base 6.
A is used for fixing the special milling and grinding clamp of the large-scale split nut, first the sand removal of the half-open large-scale split nut cast steel, polish the rough surface with the sand mill of hand-lifting, reach the surfacing, clamp and fix milling and grinding the clamp body 1 on the milling machine work table through the U-shaped clamping groove 7 of the base, hoist and mount the split nut body 2 in milling and grinding the clamp body 1 again, the reference surface is faced upwards, support the clamping plate and clamp and fix the split nut body 2 through adjusting the hold-down bolt 4, mill the reference surface, to the surface rough machining first, then finish machining, accord with the processing requirement of the drawing, and then transfer to the flat grinder, absorb the bottom surface plane of the milling and grinding clamp body 1 on the work table of the flat grinder to grind through the magnetic work table on the flat grinder, reach the precision requirement; the split nut body 2 is upward in the split surface, the compression plate is propped against the compression plate through the adjusting compression bolt 4 to clamp and fix the split nut body 2, the split surface is milled, the surface is firstly roughly processed, then the surface is finely processed, the drawing processing requirement is met, the split nut body is transferred to a plane grinding machine, the bottom surface plane of the milling and grinding clamp body 1 is adsorbed on a workbench of the plane grinding machine through a magnetic workbench on the plane grinding machine to be ground, the precision requirement is met, and the other half of the split nut body is processed by the same process to meet the precision requirement.
Claims (1)
1. The utility model provides a special milling and grinding anchor clamps for fixing large-scale opening nut, contains milling and grinding anchor clamps main part, split nut work piece, pressure strip, clamp bolt, guiding axle, base, characterized by: the milling and grinding clamp comprises a milling and grinding clamp body and is characterized in that the milling and grinding clamp body is a square frame, four sides of the milling and grinding clamp body are formed by welding steel plates, a base is arranged below the milling and grinding clamp body, two ends of the base extend out of a U-shaped clamping groove, the clamping groove is connected with a milling machine workbench, split nut workpieces are arranged in the square frame above the base, compression bolts are arranged on the steel plates on two sides of the square frame, a compression plate is arranged at the top end of each compression bolt and is identical with the split nut workpieces, and two guide shafts are arranged on the compression.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020866456.7U CN212600349U (en) | 2020-05-16 | 2020-05-16 | Special milling and grinding clamp for fixing large-sized open nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020866456.7U CN212600349U (en) | 2020-05-16 | 2020-05-16 | Special milling and grinding clamp for fixing large-sized open nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212600349U true CN212600349U (en) | 2021-02-26 |
Family
ID=74751402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020866456.7U Expired - Fee Related CN212600349U (en) | 2020-05-16 | 2020-05-16 | Special milling and grinding clamp for fixing large-sized open nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212600349U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116833454A (en) * | 2023-08-17 | 2023-10-03 | 广东伊之密智能制造有限公司 | Channel changing tooling |
-
2020
- 2020-05-16 CN CN202020866456.7U patent/CN212600349U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116833454A (en) * | 2023-08-17 | 2023-10-03 | 广东伊之密智能制造有限公司 | Channel changing tooling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |