CN204308038U - A kind of thickening crankshaft vibration damper multi-wedge belt pulley foreign steamer Special rotary compression mould group - Google Patents
A kind of thickening crankshaft vibration damper multi-wedge belt pulley foreign steamer Special rotary compression mould group Download PDFInfo
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- CN204308038U CN204308038U CN201420664057.7U CN201420664057U CN204308038U CN 204308038 U CN204308038 U CN 204308038U CN 201420664057 U CN201420664057 U CN 201420664057U CN 204308038 U CN204308038 U CN 204308038U
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Abstract
The utility model relates to and a kind of thickeies crankshaft vibration damper multi-wedge belt pulley foreign steamer Special rotary compression mould group, comprise upper die and lower die and successively with the use of wheel rim flatten spinning wheel, wheel rim preformed spinning wheel, race preformed spinning wheel and race final shaping unit spinning wheel; The lower surface of described patrix and the upper surface of counterdie have one respectively for being set with and the cylindrical mount pad A of spacing clamping spinning blank and cylindrical mount pad B, the diameter of the top of this cylindrical mount pad A and the bottom of cylindrical mount pad B reduces vertically gradually, the annular convex A coordinating formation one formed spinning blank consistent with outer rim madial wall after matched moulds and the annular groove B of annular convex B.The utility model has the advantage of: the utility model spinning mold group, structure is simple, obtained belt wheel race smooth surface and precision is high, improves the service life of coupling belt, improves the production efficiency of product simultaneously.
Description
Technical field
The utility model relates to a kind of thickening crankshaft vibration damper multi-wedge belt pulley, and particularly one thickeies crankshaft vibration damper multi-wedge belt pulley foreign steamer Special rotary compression mould group.
Background technology
Belt pulley is one of part important in tape handler.To compare orthodox car passenger vehicle engine damper pulley, light diesel passenger vehicle engine damper pulley both can meet on family-sized car engine, applicable motorbus again, high capacity waggon, on engine on agricultural vehicle, there is recycling use, lightweight, the power that strengthens engine, reduce the advantage such as oil consumption.
Damper pulley (Harmonic Balanceer) is the important part of engine section, coil compared to general Puli, damper pulley needs more Ji Shu Knot to close, not only to there is the usefulness that general Puli is coiled, more need Da Dao Minus to shake the function avoiding noise, this Entries technology can increase the stability of the various vehicles when operating and the reduction of noise.
Damper pulley comprise interiorly to take turns, foreign steamer and rubber ring interlayer, inside take turns and connect bent wheel by keyway, by chisel teeth on foreign steamer, for connecting belt, have the rubber ring interlayer of a damping between interior foreign steamer, wherein foreign steamer adopts thick walled steel tube turnery processing to complete, and its shortcoming is that long processing time, feed consumption are many, and multiple wedge slot is rough, and then cause belt life short.
At present, as shown in Figure 1, refer to a kind of thickening crankshaft vibration damper multi-wedge belt pulley foreign steamer, this foreign steamer is by an outer rim 1 and the overall rotary press modelling of an outer wheel body 2, ringwise, outer rim 1, in corresponding ring-shaped, excircle has this outer wheel body 2 multiple axially spaced wedge profile of tooth race 3, this outer rim 1 turns up and is close to the lateral wall of outer wheel body 2, and then forms with outer wheel body 2 multi-wedge belt pulley that has double-deck wall thickness; Outer rim 1 inwall has an annular convex A4, correspondingly, the lateral wall of described outer wheel body has an annular groove A corresponding with annular convex A4, described outer rim inlay be pressed on outer wheel body excircle on, the inwall of wheel body has annular convex B5 consistent with annular convex A4 outside; The two ends of outer rim 1 lateral wall axis have one respectively for the upper limit ring 6 of spacing upper end race and lower end race inner belt and lower limit ring 7, and this upper limit ring 6 carries out effectively spacing with the belt in lower limit ring 7 pairs of races 3; This foreign steamer can thicken 2.5-3 times to plate size, makes the wall thickness of outer wheel body reach 10-10.8mm, enhances foreign steamer intensity, reduce production cost, and race smooth surface, improve the service life of coupling belt, improve the security performance of belt wheel.
When manufacturing above-mentioned foreign steamer, foreign steamer passes through first spinning operation, second spinning operation, the 3rd road spinning operation and the 4th road spinning operation rotary press modelling successively by spinning blank, as shown in Figure 2, ringwise, its upper surface has one for the flange 9 of shaping outer rim to spinning blank 8.
Spinning mold special when not preparing for this belt wheel at present, therefore, research and development are a kind of saves material, and production efficiency is high, and shaping multiple wedge slot ganoid thickening crankshaft vibration damper multi-wedge belt pulley foreign steamer Special rotary compression mould group is imperative.Through retrieval related documents, do not find the same or analogous technical scheme with the utility model.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of saving material, and production efficiency is high, and shaping multiple wedge slot ganoid thickening crankshaft vibration damper multi-wedge belt pulley foreign steamer Special rotary compression mould group.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of thicken crankshaft vibration damper multi-wedge belt pulley foreign steamer Special rotary compression mould group, and its innovative point is: comprise upper die and lower die and successively with the use of wheel rim flatten spinning wheel, wheel rim preformed spinning wheel, race preformed spinning wheel and race final shaping unit spinning wheel;
The lower surface of described patrix and the upper surface of counterdie have one respectively for being set with and the cylindrical mount pad A of spacing clamping spinning blank and cylindrical mount pad B, the diameter of the top of this cylindrical mount pad A and the bottom of cylindrical mount pad B reduces vertically gradually, the annular groove B of formation one annular convex A on formed spinning blank outer rim after matched moulds; The upper surface of described annular convex A also has the circular orientation block of, corresponding, and the center of annular convex B has a cylinder shape groove stretched into for this circular orientation block;
Described wheel rim flattens spinning wheel, and the outer circumference surface of this spinning wheel is a plane, coordinates with patrix and counterdie, and flange is flattened along the axial bending of spinning blank;
Described wheel rim preformed spinning wheel, the two ends of the lateral surface axis of this spinning wheel have one respectively for the upper limit ring at shaping outer rim two ends and the upper limit groove A of lower limit ring and lower limit groove A;
Described race preformed spinning wheel, the two ends of the lateral surface axis of this spinning wheel have the upper limit groove B and lower limit groove B that hold wheel rim two ends upper limit ring and lower limit ring respectively, have the chisel teeth A for thick shaping race of some axially-aligned between this upper limit groove B and lower limit groove B;
Described race final shaping unit spinning wheel, the two ends of the lateral surface axis of this spinning wheel have respectively hold wheel rim two ends upper limit ring and lower limit ring upper limit groove C and lower limit groove C, there is the chisel teeth B for precise forming race of some axially-aligned between this upper limit groove C and lower limit groove C.
Further, the side of described counterdie is also provided with push rod, the below of the corresponding spinning blank on counterdie of this push rod.
Further, the angle of described chisel teeth A is 60 °, and the degree of depth is 2.18mm; The angle of described chisel teeth B is 40 °, and the degree of depth is 3.36mm.
The utility model has the advantage of:
Thickening crankshaft vibration damper multi-wedge belt pulley foreign steamer Special rotary compression mould group of the present utility model, comprise upper die and lower die and successively with the use of wheel rim flatten spinning wheel, wheel rim preformed spinning wheel, race preformed spinning wheel and race final shaping unit spinning wheel; Relatively current thickening crankshaft vibration damper multi-wedge belt pulley adopts thick walled steel tube turnery processing to complete, and this set of molds structure is simple, obtained belt wheel race smooth surface and precision is high, improves the service life of coupling belt, improves the production efficiency of product simultaneously;
Also be provided with push rod in the side of counterdie, the below of the corresponding spinning blank on counterdie of this push rod, after spinning completes, enters spinning blank by this push rod and ejects, improve the production efficiency of product;
During the wheel Slot shaping of the 3rd road spinning operation and the 4th road spinning operation, the angle of chisel teeth A is 60 °, the degree of depth is 2.18mm, the angle of chisel teeth B is 40 °, the degree of depth is 3.36mm, make to produce some frictional force in shaping race and belt contacts, avoid the impulse force that produces when machine driving too large, and cause plant equipment to vibrate.
Accompanying drawing explanation
Fig. 1 is the structural representation thickening crankshaft vibration damper multi-wedge belt pulley at present.
Fig. 2 is for manufacturing the spinning blahk structure schematic diagram thickening crankshaft vibration damper multi-wedge belt pulley and use at present.
Fig. 3 is the structural representation that in the utility model embodiment 1, wheel rim flattens spinning.
Fig. 4 is the structural representation of wheel rim preformed spinning in the utility model embodiment 1.
Fig. 5 is the preformed structural representation of race in the utility model embodiment 1.
Fig. 6 is the structural representation of race final shaping unit in the utility model embodiment 1.
Fig. 7 is the structural representation that the utility model implements to thicken in 2 crankshaft vibration damper multi-wedge belt pulley foreign steamer Special rotary compression mould group.
Detailed description of the invention
Embodiment 1
As shown in figures 3 to 6, the utility model discloses and a kind of thicken crankshaft vibration damper multi-wedge belt pulley foreign steamer Special rotary compression mould group, comprise patrix 10, counterdie 11 and successively with the use of wheel rim flatten spinning wheel 12, wheel rim preformed spinning wheel 16, race preformed spinning wheel 19 and race final shaping unit spinning wheel 23.
The lower surface of patrix 10 and the upper surface of counterdie 11 have one respectively for being set with and the cylindrical mount pad A13 of spacing clamping spinning blank 8 and cylindrical mount pad B14, the diameter of the top of this cylindrical mount pad A13 and the bottom of cylindrical mount pad B14 reduces vertically gradually, and after matched moulds, formation one is for the annular groove B of annular convex A4 on formed spinning blank outer rim 1; The upper surface of annular convex A4 also has the circular orientation block 15 of, corresponding, and the center of annular convex B5 has a cylinder shape groove stretched into for this circular orientation block 15.
The outer circumference surface that wheel rim flattens spinning wheel 12 is a plane, coordinates with patrix 10 and counterdie 11, and flange 9 is flattened along the axial bending of spinning blank 8.
The two ends of the lateral surface axis of wheel rim preformed spinning wheel 16 have one respectively for the upper limit ring 6 at shaping outer rim 1 two ends and the upper limit groove A17 of lower limit ring 7 and lower limit groove A18.
The two ends of the lateral surface axis of race preformed spinning wheel 19 have the upper limit groove B20 and lower limit groove B21 that hold wheel rim two ends upper limit ring 6 and lower limit ring 7 respectively, have the chisel teeth 22 for shaping race of some axially-aligned between this upper limit groove B20 and lower limit groove B21.
The two ends of the lateral surface axis of race final shaping unit spinning wheel 23 have respectively hold wheel rim two ends upper limit ring 6 and lower limit ring 7 upper limit groove C24 and lower limit groove C25, there is the chisel teeth 26 for shaping race of some axially-aligned between this upper limit groove C24 and lower limit groove C25.
In the present embodiment, relatively current thickening crankshaft vibration damper multi-wedge belt pulley Wahlen adopts thick walled steel tube turnery processing to complete, and this set of molds structure is simple, obtained belt wheel race smooth surface and precision is high, improve the service life of coupling belt, improve the production efficiency of product simultaneously.
When using above-mentioned spinning mold group to prepare thickening crankshaft vibration damper multi-wedge belt pulley foreign steamer, concrete steps are:
Step one: spinning blank prepares: choose 3-4mm steel plate and carry out punching press to steel plate thus obtain spinning blank 8, ringwise, its upper surface has one for the flange 9 of shaping outer rim 1 to this spinning blank 8;
Step 2: first spinning operation: by patrix 10, counterdie 11 and wheel rim preformed spinning wheel 12 spinning, enter bending to the flange 9 of spinning blank 8, makes flange 9 flatten along the axial bending of spinning blank 8;
Step 3: second spinning operation: by patrix 10, counterdie 11 and wheel rim preformed spinning wheel 16 spinning, radial compaction is carried out to the flange 9 of spinning blank 8, flange 9 is made to be pressed into an entirety with the lateral wall of annular spinning blank 8, mold outer rim 1, and mold the annular spinning blank 8 annular convex A4 consistent with outer rim 1 madial wall and annular convex B5, and the upper limit ring 6 at outer rim 1 two ends and lower limit ring 7 simultaneously;
Step 4: the 3rd road spinning operation: coordinated by patrix 10, counterdie 11 and race preformed spinning wheel 19 spinning, preformed goes out the race 3 of outer rim 1 lateral surface;
Step 5: the 4th road spinning operation: coordinated by patrix 10, counterdie 11 and race final shaping unit spinning wheel 23 spinning, precise forming goes out the race 3 of outer rim 1 lateral surface.
Embodiment 2
As shown in Figure 7, the present embodiment, on the basis of embodiment 1, is also provided with push rod 27 in the side of counterdie 11, after spinning completes, by this push rod 27, the spinning blank after shaping is ejected counterdie, improves the production efficiency of product.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. thicken a crankshaft vibration damper multi-wedge belt pulley foreign steamer Special rotary compression mould group, it is characterized in that: comprise upper die and lower die and successively with the use of wheel rim flatten spinning wheel, wheel rim preformed spinning wheel, race preformed spinning wheel and race final shaping unit spinning wheel;
The lower surface of described patrix and the upper surface of counterdie have one respectively for being set with and the cylindrical mount pad A of spacing clamping spinning blank and cylindrical mount pad B, the diameter of the top of this cylindrical mount pad A and the bottom of cylindrical mount pad B reduces vertically gradually, the annular groove B of formation one annular convex A on formed spinning blank outer rim after matched moulds; The upper surface of described annular convex A also has the circular orientation block of, corresponding, and the center of annular convex B has a cylinder shape groove stretched into for this circular orientation block;
Described wheel rim flattens spinning wheel, and the outer circumference surface of this spinning wheel is a plane, coordinates with patrix and counterdie, and flange is flattened along the axial bending of spinning blank;
Described wheel rim preformed spinning wheel, the two ends of the lateral surface axis of this spinning wheel have one respectively for the upper limit ring at shaping outer rim two ends and the upper limit groove A of lower limit ring and lower limit groove A;
Described race preformed spinning wheel, the two ends of the lateral surface axis of this spinning wheel have the upper limit groove B and lower limit groove B that hold wheel rim two ends upper limit ring and lower limit ring respectively, have the chisel teeth A for thick shaping race of some axially-aligned between this upper limit groove B and lower limit groove B;
Described race final shaping unit spinning wheel, the two ends of the lateral surface axis of this spinning wheel have respectively hold wheel rim two ends upper limit ring and lower limit ring upper limit groove C and lower limit groove C, there is the chisel teeth B for precise forming race of some axially-aligned between this upper limit groove C and lower limit groove C.
2. thickening crankshaft vibration damper multi-wedge belt pulley foreign steamer Special rotary compression mould group according to claim 1, is characterized in that: the side of described counterdie is also provided with push rod, the below of the corresponding spinning blank on counterdie of this push rod.
3. thickening crankshaft vibration damper multi-wedge belt pulley foreign steamer Special rotary compression mould group according to claim 1, is characterized in that: the angle of described chisel teeth A is 60 °, and the degree of depth is 2.18mm; The angle of described chisel teeth B is 40 °, and the degree of depth is 3.36mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420664057.7U CN204308038U (en) | 2014-11-10 | 2014-11-10 | A kind of thickening crankshaft vibration damper multi-wedge belt pulley foreign steamer Special rotary compression mould group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420664057.7U CN204308038U (en) | 2014-11-10 | 2014-11-10 | A kind of thickening crankshaft vibration damper multi-wedge belt pulley foreign steamer Special rotary compression mould group |
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| Publication Number | Publication Date |
|---|---|
| CN204308038U true CN204308038U (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420664057.7U Expired - Fee Related CN204308038U (en) | 2014-11-10 | 2014-11-10 | A kind of thickening crankshaft vibration damper multi-wedge belt pulley foreign steamer Special rotary compression mould group |
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| Country | Link |
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| CN (1) | CN204308038U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492942A (en) * | 2014-11-10 | 2015-04-08 | 南通福乐达汽车配件有限公司 | Special spinning die assembly for outer wheel of multi-wedge belt pulley of thickened crankshaft vibration damper |
-
2014
- 2014-11-10 CN CN201420664057.7U patent/CN204308038U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492942A (en) * | 2014-11-10 | 2015-04-08 | 南通福乐达汽车配件有限公司 | Special spinning die assembly for outer wheel of multi-wedge belt pulley of thickened crankshaft vibration damper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 Termination date: 20161110 |