CN208976779U - Divided flywheel casting pattern - Google Patents
Divided flywheel casting pattern Download PDFInfo
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- CN208976779U CN208976779U CN201821517824.6U CN201821517824U CN208976779U CN 208976779 U CN208976779 U CN 208976779U CN 201821517824 U CN201821517824 U CN 201821517824U CN 208976779 U CN208976779 U CN 208976779U
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Abstract
The utility model discloses a kind of divided flywheel casting patterns, including upper die and lower die, the upper mold includes the upper mold piece ontology apperance of integrally manufactured upper baffle plate and multiple symmetric arrays, and the lower die includes the lower mold piece ontology apperance of lower mould bottom plate and the multiple symmetric arrays being installed in the lower mould bottom plate groove；The upper mold piece ontology apperance includes the arc-shaped flange for being raised in upper mold plate upper surface, center disk and the triangle boss in center disk；The lower mold piece ontology apperance includes pedestal, circular ring shape thin-walled and center rotary table, wherein, the medial surface and lateral surface of the circular ring shape thin-walled and the inner surface of the pedestal are formed to have the inclined-plane of taper, and the core of the center rotary table is formed to have the through-hole of taper.The divided flywheel casting pattern of the utility model, optimizes model structure, so that model improves production efficiency and reduce production cost convenient for manufacture processing.
Description
Technical field
The utility model belongs to casting technique equipment field, in particular to a kind of divided flywheel casting pattern.
Background technique
Flywheel (flying wheel) is a kind of disk-shaped part that rotary inertia is very big.For four-stroke engine,
Every four piston stroke works done are primary, i.e. only expansion space stroke work done, and be vented, air inlet and compression three strokes will consume
Function.Therefore in cyclically-varying, speed of crankshaft is also unstable for the torque that crankshaft externally exports.In order to improve this situation, in song
Shaft rear end device flywheel, its effect are to store engine power, overcome the resistance of other component, revolve crankshaft uniformly
Turn.
The production overwhelming majority of flywheel is using sand casting, branch mailbox technique in the prior art.During box moulding, usually
The moulding of casting mold cavity is carried out using model.Model is divided into monoblock type and assembled by structure, and smeared model is apperance and mould
Bottom plate is integrally machined molding, and such model manufacturing precision is high, good, the long service life of rigidity, commonly used in very simple small-sized
Casting；The baffle plate and apperance of assembled model individually manufacture, and are then assemblied on baffle plate, using the mould of such mode
Type requires simply, to fabricate convenient for apperance to machining equipment, and Wheel casting produces the template for mostly using such structure greatly.
Conventionally manufactured divided flywheel casting pattern includes the upper die and lower die of parting along the horizontal plane, upper and lower casting form and it is upper,
Lower mould bottom plate needs to be machined respectively, then is assembled respectively, so that processing and assembly process are complicated, reduces life
Efficiency is produced, and is unfavorable for mitigating model self weight, so that increased production cost.
Summary of the invention
The purpose of the utility model is to provide a kind of divided flywheel casting patterns, optimize model structure, so that mould
Type improves production efficiency and reduces production cost convenient for manufacture processing.
The utility model technical solution used for the above purpose is: divided flywheel casting pattern, including upper
Mould and lower die, key are: the upper mold includes the upper mold piece of integrally manufactured upper baffle plate and multiple symmetric arrays
Ontology apperance, the lower die include the lower die of lower mould bottom plate and the multiple symmetric arrays being installed in the lower mould bottom plate groove
Casting ontology apperance；
The upper mold piece ontology apperance include the arc-shaped flange for being raised in upper mold plate upper surface, center disk and
Triangle boss in center disk, the arc-shaped flange have symmetrical notch at two, the upper mold piece ontology
Apperance further includes the inclined-plane of the connection arc-shaped flange and center disk；
The lower mold piece ontology apperance includes pedestal, circular ring shape thin-walled and center rotary table, in the circular ring shape thin-walled
The arc-shaped convex block of two pieces of symmetric arrays is also formed on side, and the lateral surface of the circular ring shape thin-walled is described arc-shaped
It is disconnected at convex block, the reinforcement of several connections center rotary table and circular ring shape thin-walled or arc-shaped convex block is formed on the pedestal
Muscle, wherein the medial surface and lateral surface of the circular ring shape thin-walled and the inner surface of the pedestal are formed to have the oblique of taper
The core in face, the center rotary table is formed to have the through-hole of taper；
Distributing position of the upper mold piece ontology apperance on upper baffle plate and lower mold piece ontology apperance are at lower die bottom
Distributing position on plate corresponds, and the position of the notch is corresponding with the position of the arc-shaped convex block.
Further, the upper mold piece ontology apperance and lower mold piece ontology apperance are six, and are respectively divided into
Two column being symmetrically arranged.
Further, connected between the pedestal and the circular ring shape thin-walled or arc-shaped convex block by circular arc chamfering
It connects.
Further, the opening of the through-hole is formed with circular arc chamfering.
Further, the bottom shape of the upper baffle plate and lower mould bottom plate has latticed reinforcing rib.
Further, corresponding jogger hole and dowel hole are formed in the upper baffle plate and lower mould bottom plate.
Further, the divided flywheel casting pattern is manufactured using gray cast iron.
Further, the mark of product is formed in the base inner surface.
The utility model compared with prior art, has the following advantages and beneficial effects: that the split type of the utility model flies
Casting pattern is taken turns, the upper die and lower die of split type model are optimized, the upper mold piece ontology apperance of upper mold is designed
For the simple thin type part of structure, the integrally manufactured of upper baffle plate and upper mold piece ontology apperance can be avoided assembly process,
Production efficiency is improved, and facilitates the sole mass loss of weight of model, reduces production cost；By the lower mold piece sheet of lower die
Body apperance is designed as the main structure of apperance, and lower mould bottom plate and apperance are individually manufactured, be then assemblied on baffle plate, uses
The model of such mode requires simply, to fabricate convenient for apperance and reduce quality to machining equipment；Simultaneously for convenience
Lower die molding after the completion of casting, in medial surface and lateral surface, the pedestal of the circular ring shape thin-walled of lower mold piece ontology apperance
Inner surface and the center rotary table core through-hole, be designed with suitable gradient.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the upper mold of the utility model；
Fig. 2 is the top view of the upper mold of the utility model；
Fig. 3 be Fig. 2 along the sectional view of A-A；
Fig. 4 is the schematic perspective view of the lower die of the utility model；
Fig. 5 is the top view of the lower die of the utility model；
Fig. 6 is cross-sectional view of the Fig. 5 along B-B.
Specific embodiment
Detailed description furtherly is made to the utility model in the following with reference to the drawings and specific embodiments, so as to this field skill
Art personnel understand.
As shown in figures 1 to 6, the divided flywheel casting pattern of the utility model, including upper mold 1 and lower die 2, the upper mold
Upper mold piece ontology apperance 12 including integrally manufactured upper baffle plate 11 and multiple symmetric arrays, under the lower die 2 includes
The lower mold piece ontology apperance 23 of baffle plate 21 and the multiple symmetric arrays being installed in the lower mould bottom plate groove 22.
The upper mold piece ontology apperance 12 includes being raised in arc-shaped flange 121, the center of 11 upper surface of baffle plate
Disk 122 and the triangle boss 123 in center disk 122, the arc-shaped flange have symmetrical notch at two
124, the upper mold piece ontology apperance 11 further includes the inclined-plane of the connection arc-shaped flange 121 and center disk 122
125。
The lower mold piece ontology apperance 23 includes pedestal 231, circular ring shape thin-walled 232 and center rotary table 233, the circle
The arc-shaped convex block 234 of two pieces of symmetric arrays, and the circular ring shape thin-walled 232 are also formed on 232 medial surface of annular thin wall
Lateral surface disconnected at the arc-shaped convex block, several connections center rotary table 233 and circle are formed on the pedestal 231
The reinforcing rib 235 of annular thin wall 232 or arc-shaped convex block 234, wherein the medial surface and lateral surface of the circular ring shape thin-walled 232
And the inner surface of the pedestal 231 is formed to have the inclined-plane of taper, the core of the center rotary table 233 is formed to have cone
The through-hole 236 of degree.
Distributing position of the upper mold piece ontology apperance 12 on upper baffle plate 11 and lower mold piece ontology apperance 23 exist
Distributing position in lower mould bottom plate 21 corresponds, and the position of the position of the notch 124 and the arc-shaped convex block 234
It is corresponding.
The divided flywheel casting pattern of the utility model is optimized and is set to the upper mold 1 and lower die 2 of split type model
Meter, is designed as the simple thin type part of structure for the upper mold piece ontology apperance 12 of upper mold 1, can be by upper baffle plate 11 and upper molding
Part ontology apperance 12 it is integrally manufactured, avoid assembly process, improve production efficiency, and facilitate the sole mass of model
Loss of weight reduces production cost；The lower mold piece ontology apperance 23 of lower die 2 is designed as to the main structure of apperance, lower mould bottom plate
21 and lower mold piece ontology apperance 23 individually manufacture, be then assemblied in lower mould bottom plate, using the model pair of such mode
Machining equipment requires simply, to fabricate convenient for apperance and reduce quality；Simultaneously in order to facilitate lower die 2 after the completion of casting
Molding, in the medial surface of the circular ring shape thin-walled 232 of lower mold piece ontology apperance 23 and the inner surface of lateral surface, the pedestal 231
And the core through-hole 236 of the center rotary table, it is designed with suitable gradient.
The embodiment of the present invention upper mold piece ontology apperance 12 and lower mold piece ontology apperance 23 are six, and respectively
It is divided into two column of symmetric arrays.Multiple apperances are symmetrically arranged, and the cope raise power that molten metal can be made to act on mo(u)ld top half is uniform, is also beneficial to
The arrangement of running gate system can also make full use of sandbox area.
By arc-shaped between the embodiment of the present invention pedestal 231 and the circular ring shape thin-walled 232 or arc-shaped convex block 234
Chamfering connection.It is connected using biggish fillet, stress concentration is avoided to lead to crackle.
The opening of the embodiment of the present invention through-hole 236 is formed with circular arc chamfering.Using circular arc chamfering as importing
Angle is conducive to the machining feed in later period, improves machining efficiency.
The bottom of baffle plate 11 and lower mould bottom plate 21 is formed with latticed reinforcing rib in the embodiment of the present invention.Using thin plate
The structure of screening trellis reinforcing rib, advantageously reduces template weight, and improves the structural strength of template.
Corresponding jogger hole and dowel hole are formed in baffle plate 11 and lower mould bottom plate 21 in the embodiment of the present invention.It is fixed
The formation of position pin hole, which has, is conducive to positioning, and jogger hole is for ejecting molding for model after the completion of moulding.
The embodiment of the present invention divided flywheel casting pattern is manufactured using gray cast iron.Gray cast iron model surface is bright and clean, ruler
Very little accurate, intensity is high, and wearability is good, and physical life is long, be suitable in batch, mass production Wheel casting.
It is formed with the mark of product on 231 inner surface of the embodiment of the present invention pedestal, is used for marked product title and type
Number.
Although above-described embodiment is made that detailed description to the utility model, it is only the utility model a part
Embodiment, rather than whole embodiments, people can also obtain other implementations according to the present embodiment under the premise of without creativeness
Example, these embodiments belong to scope of protection of the utility model.
Claims (8)
1. divided flywheel casting pattern, including upper die and lower die, it is characterised in that: the upper mold includes integrally manufactured upper mold
The upper mold piece ontology apperance of bottom plate and multiple symmetric arrays, the lower die include lower mould bottom plate and are installed on the lower die
The lower mold piece ontology apperance of multiple symmetric arrays in bottom plate groove；
The upper mold piece ontology apperance includes the arc-shaped flange for being raised in upper mold plate upper surface, center disk and is located at
Triangle boss in center disk, the arc-shaped flange have symmetrical notch at two, the upper mold piece ontology apperance
It further include the inclined-plane of the connection arc-shaped flange and center disk；
The lower mold piece ontology apperance includes pedestal, circular ring shape thin-walled and center rotary table, the circular ring shape thin-walled medial surface
On be also formed with the arc-shaped convex blocks of two pieces of symmetric arrays, and the lateral surface of the circular ring shape thin-walled is in the arc-shaped convex block
Place disconnects, and the reinforcing rib of several connections center rotary table and circular ring shape thin-walled or arc-shaped convex block is formed on the pedestal,
Wherein, the inner surface of the medial surface of the circular ring shape thin-walled and lateral surface and the pedestal is formed to have the inclined-plane of taper,
The core of the center rotary table is formed to have the through-hole of taper；
Distributing position of the upper mold piece ontology apperance on upper baffle plate and lower mold piece ontology apperance are in lower mould bottom plate
Distributing position correspond, and the position of the notch is corresponding with the position of the arc-shaped convex block.
2. divided flywheel casting pattern according to claim 1, it is characterised in that: the upper mold piece ontology apperance and
Lower mold piece ontology apperance is six, and is respectively divided into two column of symmetric arrays.
3. divided flywheel casting pattern according to claim 1, it is characterised in that: the pedestal and the circular ring shape are thin
It is connected between wall or arc-shaped convex block by circular arc chamfering.
4. divided flywheel casting pattern according to claim 1, it is characterised in that: the opening of the through-hole is formed with
Circular arc chamfering.
5. divided flywheel casting pattern according to claim 1, it is characterised in that: the upper baffle plate and lower mould bottom plate
Bottom be formed with latticed reinforcing rib.
6. divided flywheel casting pattern according to claim 1, it is characterised in that: the upper baffle plate and lower mould bottom plate
On be formed with corresponding jogger hole and dowel hole.
7. divided flywheel casting pattern according to claim 1, it is characterised in that: the divided flywheel casting pattern
It is manufactured using gray cast iron.
8. divided flywheel casting pattern according to claim 1, it is characterised in that: be formed in the base inner surface
The mark of product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821517824.6U CN208976779U (en) | 2018-09-17 | 2018-09-17 | Divided flywheel casting pattern |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821517824.6U CN208976779U (en) | 2018-09-17 | 2018-09-17 | Divided flywheel casting pattern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208976779U true CN208976779U (en) | 2019-06-14 |
Family
ID=66784473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821517824.6U Active CN208976779U (en) | 2018-09-17 | 2018-09-17 | Divided flywheel casting pattern |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208976779U (en) |
-
2018
- 2018-09-17 CN CN201821517824.6U patent/CN208976779U/en active Active
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