CN211248221U - Casting and pouring system for gray iron pressure plate of clutch - Google Patents
Casting and pouring system for gray iron pressure plate of clutch Download PDFInfo
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- CN211248221U CN211248221U CN201922128525.4U CN201922128525U CN211248221U CN 211248221 U CN211248221 U CN 211248221U CN 201922128525 U CN201922128525 U CN 201922128525U CN 211248221 U CN211248221 U CN 211248221U
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Abstract
The utility model discloses a casting gating system of clutch gray iron pressure disk, it contains at least one gating system unit, and this gating system unit contains at least one pressure disk foundry goods, the pressure disk foundry goods connects a continuous blank pressing runner, continuous blank pressing runner contains vertical runner, collection sediment runner and middle runner that communicate each other in proper order; the pressure plate casting is overlapped with the middle pouring gate to form a first water inlet, and the middle pouring gate is overlapped with the slag collecting pouring gate to form a second water inlet; under the condition that satisfies certain structure proportion between continuous blank pressing watering and the foundry goods, constitute the casting mould that does not have the rising head, this gating system compares with prior art the utility model discloses the innovative feeding mode that has adopted no rising head, also reduced the molten iron use amount when fully satisfying the foundry goods feeding requirement, provide the inspiration for modern industry green production.
Description
Technical Field
The utility model relates to a casting industry field indicates a casting gating system of clutch gray iron pressure disk very much.
Background
The casting process is a manufacturing process of pouring molten metal into a casting mold, and cooling and solidifying to obtain a part with required shape and performance. The casting technology is one of the main methods for obtaining a mechanical product blank, is an important basic process in the casting machinery industry, occupies an important position in national economy, and is widely applied to casting of a clutch pressure plate at present.
Most of the existing clutch pressure plate molds are distributed in a bilateral symmetry mode, a vertical pouring gate passes through the middle of a left casting and a right casting, a process design of a bottom injection and top injection method is adopted, and the highest position of the casting is provided (a dead head is arranged to improve feeding effect, but the defects of the existing casting process are found in long-term actual production that 1, the process design is complicated, the influence factors of heat-saving calculation are more, the size of the dead head is difficult to accurately control, and the phenomenon of uneven quality level of products in different batches often occurs, 2, the lower part of the dead head tends to shrink holes when the diameter or the position of the dead head is not properly arranged, 4, a plurality of water inlets are arranged in an existing pouring system, so that the molten iron filling is not stable, the probability of casting defects such as slag inclusion, sand holes and the like is increased, and a large amount of molten.
For solving above-mentioned problem to combine the gray iron from the strong characteristics of feeding effect when solidifying, the utility model provides a top rising head feeding mode is revised as the feeding mode of no rising head in with original technology, and it is when satisfying the feeding effect for the follow-up cleaning process of foundry goods simplifies more, reduces the manual strength, promotes the quality and the efficiency of casting process.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a casting gating system of clutch gray iron pressure disk promptly.
The technical means adopted by the utility model are as follows.
A casting gating system of a clutch gray iron pressure plate comprises at least one gating system unit, wherein the gating system unit comprises at least one pressure plate casting, the pressure plate casting is connected with a continuous blank pressing pouring gate, and the continuous blank pressing pouring gate sequentially comprises a vertical pouring gate, a slag collecting pouring gate and a middle pouring gate which are mutually communicated; wherein the pressure plate casting and the middle pouring channel are overlapped to form a first water inlet respectively, and the overlapping width is 2.5-3.5 mm; the middle pouring channel and the slag collecting pouring channel are overlapped to form a second water inlet, and the overlapping width is 3.5-5 mm; the overlapping length of the two positions is the same.
The thickness of the slag collecting pouring channel is H2, and half of the maximum width is L2; the thickness of the middle pouring channel is H1, and the maximum width is L1; the height of the main body of the pressure plate casting is H, the maximum width of the main body of the pressure plate casting is L, and the parameters meet the following conditions:
H1=（1.5-2）H；L1=（1.1-1.3）L；
H2=（1.2-1.5）H1；L2=（1.2-1.4）L1。
furthermore, the casting gating system for the clutch gray iron pressure plate further comprises two pressure plate castings which are symmetrically arranged left and right, a slag collecting runner is connected to the lower portion of the vertical runner, the slag collecting runner is respectively connected with an intermediate runner, and each intermediate runner is connected with one pressure plate casting.
Further, the vertical pouring channel adopts a standard trapezoidal pouring channel, and the cross section area of the vertical pouring channel is at least 300mm2(ii) a The height of the vertical pouring channel is at least 60mm higher than the top of the platen casting.
Furthermore, the transverse cross section of the slag collecting pouring gate is trapezoidal.
Furthermore, the gating system is connected with the gate through a cross gate, the cross gate comprises a first cross gate and a second cross gate, at least one mutually communicated thin sheet gate is arranged between the first cross gate and the second cross gate, and the thickness of the thin sheet gate is 2-3 mm.
The utility model discloses produced beneficial effect as follows.
The utility model innovatively provides a casting and pouring system of a clutch gray iron pressure plate, which modifies the feeding mode of a top riser in the original process into the feeding mode without the riser by virtue of the characteristic of strong self-feeding effect of gray iron during solidification, so that the rejection rate of the pressure plate process is improved by the cancellation of the top riser, the shrinkage defect of the position of the riser is perfectly solved, and a large amount of molten iron is saved; secondly, the non-riser process can ensure that the pressure plate can be stably filled in the casting process, thereby effectively reducing the defects of poor machining of the friction surface, sand holes and the like; meanwhile, the pouring system without the riser head further simplifies the original pouring, so that the later processing process is time-saving and labor-saving. The novel process is verified by a large amount of production, not only can be stably produced, but also the production efficiency can be greatly improved, and the novel process is worthy of popularization.
Drawings
Fig. 1 is the utility model relates to a casting gating system structure sketch map of clutch gray iron pressure disk.
Fig. 2 is the utility model relates to a casting gating system part of clutch gray iron pressure disk dissects schematic structure view.
Fig. 3 is a schematic cross-sectional view of fig. 2 of the casting gating system of the utility model relates to a clutch gray iron pressure disk.
FIG. 4 shows the difference between the overlapping length of inlet A and inlet B and the height of vertical runner and pressure plate.
Fig. 5 is a schematic diagram of the positions of the first water inlet and the second water inlet in the present invention.
Detailed Description
The following description will be made in detail with reference to the accompanying drawings for a casting and pouring system of a clutch gray iron pressure plate according to the present invention, and the specific embodiments, structures, features and effects thereof.
As shown in figure 1, the utility model relates to a casting and pouring system structure schematic diagram of a clutch gray iron pressure plate, in the casting mold structure of the utility model, the top riser feeding mode in the original technology is modified into a riser-free feeding mode, the casting and pouring system mainly comprises at least one pouring system unit, the pouring system unit comprises at least one pressure plate casting 6, the pressure plate casting 6 is connected with a continuous blank pressing pouring gate, the continuous blank pressing pouring gate is connected with a first pouring gate 1, a second pouring gate 2 and a sheet pouring gate 5, the whole body forms a riser-free casting mold, the pouring system can be provided with a plurality of pouring system units according to the actual production needs or cast other similar castings according to the riser-free mode, compared with the prior art, the utility model adopts the riser-free feeding mode, the molten iron consumption is reduced while the casting feeding requirement is fully satisfied, provides inspiration for green production of modern industry.
From the above, the utility model discloses a no rising head's feeding mode is by borrowing the completion of watering by continuous blank pressing, please refer to simultaneously and show fig. 2, fig. 3 and fig. 5, continuous blank pressing is watered and is contained 3, the sediment of watering 4 and the middle 7 of watering of erecting of mutual intercommunication in proper order. In a preferred embodiment, the pressure plate casting 6 and the intermediate pouring gate 7 are overlapped to form a first water inlet A, and the overlapping width is 2.5-3.5 mm; the middle pouring gate 7 and the slag collecting pouring gate 4 are overlapped to form a second water inlet B, the overlapping width is 3.5-5mm, the overlapping length of the first water inlet A and the second water inlet B is the same, and the specific length is adjusted according to the filling time of a product; the first water inlet A and the second water inlet B which are formed in an overlapped mode can be used for molten iron to pass through, and the first water inlet A and the second water inlet B are both circulation pouring channels with small slits, so that the phenomena of sand holes, uneven quality and the like caused by the fact that sundries in the molten iron flow into a casting cavity can be avoided again.
In order to satisfy the feeding requirement under the no rising head feeding mode, continuous blank pressing is watered and is set up as follows: the thickness of the slag collecting pouring channel 4 is H2, and half of the maximum width is L2; the thickness of the middle pouring gate 7 is H1, and the maximum width is L1; the height of the main body of the pressure plate casting 6 is H, and the maximum width of the main body is L, wherein the thicknesses mentioned here are the heights of the transverse sections of the corresponding pouring channels, and the maximum widths are the maximum lengths of the transverse sections of the corresponding pouring channels; because the pressure plate casting is of an annular structure, the maximum length of the pressure plate casting is the maximum annular width of the pressure plate casting.
The above parameters satisfy the following conditions:
H1=（1.5-2）H；L1=（1.1-1.3）L；
H2=（1.2-1.5）H1；L2=（1.2-1.4）L1。
in a preferred embodiment, the gating system unit comprises two platen castings 6 which are arranged in bilateral symmetry, the slag collecting pouring channel 4 is connected below the vertical pouring channel 3, two sides of the two slag collecting pouring channels 4 are respectively connected with an intermediate pouring channel 7, and each intermediate pouring channel 7 is connected with one platen casting 6.
Referring to fig. 4, the feeding is satisfied and the molten iron is stably filled, and the continuous blank pressing pouring gate of the present invention is preferably set in the following manner: the slag collecting pouring gate 4 is arranged below the two pressure plate castings 6, the pressure plate castings 6 are lapped with the middle pouring gate 7 to form a first water inlet A, and the lapping width is 2.5-3.5 mm; overlap length of TAThe middle pouring channel 7 and the slag collecting pouring channel (4) are overlapped to form a second water inlet, and the overlapping width is 3.5-5 mm; overlap length of TBOverlap length T at two positions of water inlet A and water inlet BAAnd TBThe specific length is adjusted according to the filling time of the product; the vertical pouring channel adopts a standard trapezoidal pouring channel, the cross section area of the vertical pouring channel is adjusted according to the product mold filling time, and the cross section area is at least 300mm2(ii) a The height of the vertical pouring channel is at least 60mm higher than the top of the platen casting.
Furthermore, the vertical pouring gate 3 is connected with the pouring gate 8 through a horizontal pouring gate at one end far away from the slag collecting pouring gate 4, as shown in fig. 1, the horizontal pouring gate comprises a first horizontal pouring gate 1 and a second horizontal pouring gate 2, at least one sheet pouring gate 5 which is communicated with each other is arranged between the first horizontal pouring gate 1 and the second horizontal pouring gate 2, the sheet pouring gate 5 and the horizontal pouring gate are beneficial to filtering impurities in molten iron, and meanwhile, turbulent flow which occurs when the molten iron directly flows into the vertical pouring gate can be prevented.
The utility model discloses the casting gating system of a clutch gray iron pressure disk that the innovation provided in order to embody following advantage in practical application: firstly, a top riser feeding mode in the original process is modified into a feeder feeding mode without risers, the shrinkage defect of the position of the riser is perfectly overcome, meanwhile, a bottom edge type water inlet is further formed by means of the overlapping design between an inner pouring gate and the outer edge of a casting, the overlapping part is easy to remove in the follow-up process, the step of manual polishing is omitted, the follow-up cleaning efficiency is greatly improved, and the manual strength is reduced; secondly, the non-riser mode greatly improves the process yield and saves a large amount of molten iron, thereby saving the production cost; the novel process is verified by a large amount of production, not only can be stably produced, but also the production efficiency can be greatly improved, and the novel process is worthy of popularization.
Claims (5)
1. A casting gating system of a clutch gray iron pressure plate comprises at least one gating system unit, and is characterized in that the gating system unit comprises at least one pressure plate casting (6), the pressure plate casting (6) is connected with a continuous blank-holding pouring gate, and the continuous blank-holding pouring gate sequentially comprises a vertical pouring gate (3), a slag collecting pouring gate (4) and a middle pouring gate (7) which are communicated with each other;
the pressure plate casting (6) and the middle pouring gate (7) are overlapped to form a first water inlet (A), and the overlapping width is 2.5-3.5 mm;
the middle pouring channel (7) and the slag collecting pouring channel (4) are overlapped to form a second water inlet (B); the lap width is 3.5-5 mm;
the overlapping length of the first water inlet (A) and the second water inlet (B) is the same;
the thickness H2 of the slag collecting pouring gate (4) is L2, and half of the maximum width of the slag collecting pouring gate is L2; the thickness of the middle pouring gate (7) is H1, and the width is L1; the height of the main body of the pressure plate casting (6) is H, the maximum width of the main body of the pressure plate casting is L, and the parameters meet the following conditions:
H1=（1.5-2）H；L1=（1.1-1.3）L；
H2=（1.2-1.5）H1；L2=（1.2-1.4）L1。
2. the casting pouring system for the clutch gray iron pressure plate according to claim 1 is characterized by comprising two pressure plate castings (6) which are arranged in a bilateral symmetry mode, wherein a slag collecting pouring channel (4) is connected below the vertical pouring channel (3), the slag collecting pouring channel (4) is respectively connected with an intermediate pouring channel (7), and each intermediate pouring channel (7) is connected with one pressure plate casting (6).
3. A casting gating system for a clutch gray iron pressure plate according to claim 2, characterized in that the vertical pouring channel (3) is a standard trapezoidal pouring channel with a cross-sectional area of at least 300mm2And the height of the vertical pouring channel (3) is at least 60mm higher than the top of the pressure plate casting (6).
4. A casting gating system for a clutch gray iron platen according to any one of claims 1 to 3, characterized in that the transverse cross-sectional shape of the slag collection runner (4) and the intermediate runner (7) is trapezoidal, and the draft angle is 3 ° to 5 °.
5. The casting gating system for the clutch gray iron pressure plate according to claim 4, characterized in that the gating system is connected with the gate (8) through a runner, the runner comprises a first runner (1) and a second runner (2), at least one sheet runner (5) which is communicated with each other is arranged between the first runner (1) and the second runner (2), and the thickness of the sheet runner is 2-3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922128525.4U CN211248221U (en) | 2019-12-02 | 2019-12-02 | Casting and pouring system for gray iron pressure plate of clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922128525.4U CN211248221U (en) | 2019-12-02 | 2019-12-02 | Casting and pouring system for gray iron pressure plate of clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211248221U true CN211248221U (en) | 2020-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922128525.4U Active CN211248221U (en) | 2019-12-02 | 2019-12-02 | Casting and pouring system for gray iron pressure plate of clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211248221U (en) |
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- 2019-12-02 CN CN201922128525.4U patent/CN211248221U/en active Active
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