CN212254969U - Mobility measuring device based on snakelike runner - Google Patents
Mobility measuring device based on snakelike runner Download PDFInfo
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- CN212254969U CN212254969U CN202021180665.2U CN202021180665U CN212254969U CN 212254969 U CN212254969 U CN 212254969U CN 202021180665 U CN202021180665 U CN 202021180665U CN 212254969 U CN212254969 U CN 212254969U
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Abstract
The utility model provides a mobility measuring device based on snakelike runner, include: the mold assemblies are arranged on the rack, each mold assembly comprises an upper template and a lower template, the upper template is arranged on the lower template, one surface of the lower template, which is close to the upper template, is provided with a snake-shaped runner, the upper template is provided with a runner port, and the runner port is communicated with a pouring inlet of the snake-shaped runner; the pouring cup is arranged on the upper template and communicated with the pouring inlet through the runner opening; and the heating device is arranged on the rack. The utility model discloses a mobility measuring device based on snakelike runner changes the direct current way into snakelike runner, has increased runner length under the unchangeable condition of mould subassembly size, the cope match-plate pattern adopts transparent material to constitute, observes experimental phenomenon in the testing process of being convenient for.
Description
Technical Field
The utility model relates to an investment casting teaching technical field, concretely relates to mobility measuring device based on snakelike runner.
Background
Casting is one of the basic processes of the modern basic machinery manufacturing industry. Fluidity is one of the casting properties of an alloy, and directly influences the mold filling capacity of the liquid alloy. The better the fluidity of the alloy, the stronger the mold filling capability, the more the casting with clear outline, thin wall and complex can be cast, and simultaneously the alloy is also beneficial to the floating and discharging of impurities and gas and the shrinkage and repair in the solidification process; and the alloy with poor fluidity is difficult to fill the die cavity, the die filling capability is poor, and the defects of insufficient casting, cold shut, air holes, slag inclusion and the like are easy to generate.
With the development of the technology, the investment casting technology develops and grows. Investment casting, also known as precision casting or lost wax casting, is a process in which a fusible material (such as wax) is used to make a precise fusible model, a plurality of layers of refractory coatings are applied to the model, the refractory coating is dried and hardened to form an integral shell, the lost wax is melted by heating the shell, the shell is baked at high temperature to form a refractory shell, liquid metal is poured into the refractory shell, and the casting is obtained after cooling. Investment casting has certain advantages over other casting methods. With the development of investment casting technology, the variety of the mould materials is increasingly diversified, and the compositions are different. The molding materials are generally divided into high-temperature, medium-temperature and low-temperature molding materials according to the melting point of the molding materials. The melting point of the low-temperature mould material is about 60 ℃, and the paraffin-stearic acid mixture is widely applied to China as the low-temperature mould material at present.
In the experimental practice teaching of various colleges and universities, some fluidity measurement teaching experiments are usually carried out in order to present the investment casting process to students, and the fluidity measurement teaching experiments are realized by a fluidity measurement teaching device. The flow channel of the prior fluidity measurement teaching device is a linear flow channel, and the flow channel is simple and the short flow channel length test phenomenon is not obvious.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a mobility measuring device based on snakelike runner changes the direct current way into snakelike runner, has increased runner length under the unchangeable condition of mould subassembly size, the cope match-plate pattern adopts transparent material to constitute, observes experimental phenomenon in the testing process of being convenient for.
In order to achieve the above purpose, the utility model discloses a technical scheme who takes is:
a serpentine flow channel based flow measurement device comprising: the mold assemblies are arranged on the rack, each mold assembly comprises an upper template and a lower template, the upper template is arranged on the lower template, one surface of the lower template, which is close to the upper template, is provided with a snake-shaped runner, the upper template is provided with a runner port, and the runner port is communicated with a pouring inlet of the snake-shaped runner; the pouring cup is arranged on the upper template and communicated with the pouring inlet through the runner opening; and the heating device is arranged on the rack.
Furthermore, the snake-shaped runner comprises at least two straight runners and at least one semicircular runner, the two straight runners are connected through the semicircular runner, and the pouring inlet is connected with one end of one straight runner.
Further, the die assembly further comprises a die base, the lower die plate is abutted to the vertical limiting plate of the die base, and the upper die plate is located with the lower die plate through a locating pin arranged on the lower die plate.
Further, the upper template is a transparent material plate.
Further, the transparent material plate is one of a PC plate, an organic glass plate, or a paml plate.
Compared with the prior art, the technical scheme of the utility model have following advantage:
the utility model discloses a mobility measuring device based on snakelike runner changes the direct current way into snakelike runner, has increased runner length under the unchangeable condition of mould subassembly size, the cope match-plate pattern adopts transparent material to constitute, observes experimental phenomenon in the testing process of being convenient for.
Drawings
The technical solution and the advantages of the present invention will be made apparent from the following detailed description of the embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 is a structural diagram of a serpentine flow channel-based flowability measuring device according to an embodiment of the present invention;
fig. 2 is a structural view of a mold assembly according to an embodiment of the present invention;
fig. 3 is a diagram illustrating an upper mold plate structure according to an embodiment of the present invention;
fig. 4 is a cross-sectional view of the mold assembly of an embodiment of the present invention after attachment to a pouring cup;
fig. 5 is a flowchart illustrating an experiment of the apparatus for measuring fluidity based on a serpentine flow channel according to an embodiment of the present invention.
Reference numerals
The device comprises a frame 1, a storage table 11, a mould assembly 2, an upper mould plate 21, a runner port 211, a lower mould plate 22, a snake-shaped runner 221, a pouring inlet 222, a straight runner 223, a semicircular runner 224, a clamping device 23, a mould base 24, a 241 vertical limiting plate, a 25 positioning pin, a pouring cup 3, a heating device 4 and a container 41.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
The present embodiment provides a fluidity measuring device based on a serpentine flow channel, as shown in fig. 1, including: frame 1, mould assembly 2, pouring basin 3 and heating device 4. At least one of the die assemblies 2 is arranged on the rack 1, so that multiple groups of experiments can be carried out simultaneously, and the classroom experiment time is saved. The pouring cup 3 is arranged on the die assembly 2, and the heating device 4 is arranged on the frame 1. The frame 1 the mould subassembly 2 and pouring basin 3 all adopts stainless steel material or aluminum alloy material preparation, prevents that equipment from rustting, and the clearance is difficult.
The rack 1 comprises a storage table 11, wherein the storage table 11 is used for containing test materials and auxiliary appliances such as a cleaning shovel. The die assembly 2, the pouring cup 3 and the heating device 4 are all arranged on the rack 1, and the height design of the rack 1 refers to human engineering, so that the experimental operation is easy.
As shown in fig. 2 to 4, the mold assembly 2 includes an upper mold plate 21 and a lower mold plate 22, the upper mold plate 21 is disposed on the lower mold plate 22, the upper mold plate 21 is a transparent material plate, and the transparent material plate is one of a PC plate, an organic glass plate, or a paml plate. The transparent material plate is used as the upper template 21, so that the flowing and forming processes of the low-temperature die material in the runner of the lower template 22 in the pouring process are visualized, and the experimental phenomenon is easy to observe. Meanwhile, the visual upper template 21 is combined, so that the surface appearance and the quality of the sample obtained under different pouring conditions can be visually observed.
The die assembly 2 further comprises a die base 24, the lower die plate 22 abuts against a vertical limiting plate of the die base 24, and the upper die plate 21 is located on the lower die plate 22 through a locating pin 25 arranged on the lower die plate 22. The upper template 21 is pressed against the lower template 22 by an "L" shaped clamping device 23 arranged on the frame 1.
A serpentine runner 221 is arranged on one side of the lower template 22 close to the upper template 21, a runner port 211 is arranged on the upper template 21, and the runner port 211 is communicated with a pouring inlet 222 of the serpentine runner 221. The serpentine runner 221 includes at least two straight runners 223 and at least one semicircular runner 224, the two straight runners 223 are connected through the semicircular runner 224, and the pouring inlet 222 is connected to one end of one straight runner 223. In the design of the straight flow channel 223 and the semicircular flow channel 224, the lengths of the straight flow channel 223 and the semicircular flow channel 224 are generally designed to be fixed integer values so as to facilitate the measurement and reading of experimental data.
The pouring cup 3 communicates with the pouring inlet 222 through the runner port 211. The bottom of the pouring cup 3 is a conical pipe, the runner port 211 is a conical hole, the inner wall of the conical hole is matched with the outer wall of the conical pipe, the conical pipe is accommodated in the conical hole, the pouring cup 3 is tightly pressed with the upper template 21 under the action of self gravity, and leakage of wax materials in the pouring process is avoided.
Two groups of wax formulas of a wax formula A and a wax formula B are used as materials to be measured, and three groups of temperature experiments are simultaneously carried out on each group of wax formula, so that the fluidity measurement method based on the serpentine flow channel is explained and comprises the following steps:
s10 test preparation, wherein the method comprises the steps of checking floating dust and impurities on the surfaces of a snake-shaped flow channel-based fluidity measuring device and a cleaning flow channel, and arranging three mold assemblies 2 on the snake-shaped flow channel-based fluidity measuring device, wherein the mold assemblies 2 are respectively numbered 1#, 2#, and 3 #.
S20 preparing a wax formula A, placing three beakers filled with the wax formula A in a heating device 4, wherein the three beakers are numbered 1 ' #, 2 ' #and3 ' #respectively, and the heating temperatures are respectively as follows: heating the wax material formula A in the three beakers to melt at 65 ℃, 75 ℃ and 85 ℃ to obtain a molten material.
S30, the molten material of the 1 ' # beaker is poured into the 1# mold assembly 2, the molten material of the 2 ' # beaker is poured into the 2# mold assembly 2, and the molten material of the 3 ' # beaker is poured into the 3# mold assembly 2. And respectively recording pouring result data, observing the surface quality of the samples obtained under different pouring conditions, and recording the filling lengths of the pouring samples obtained under different pouring conditions.
S40, cleaning the wax material, and after the mould assembly is cooled to room temperature, cleaning the wax material on the mould assembly 2 and the experiment table to prepare for the next experiment.
Repeating the step S20, preparing a wax material formula B, placing three beakers filled with the wax material formula B in a heating device 4, wherein the numbers of the three beakers are respectively 1 ' #, 2 ' #and3 ' #, and the heating temperatures are respectively as follows: heating the wax material formula B in the three beakers to be molten at 65 ℃, 75 ℃ and 85 ℃ to obtain a molten material.
Repeating the step of S30, pouring the melted material of the melted 1 ' # beaker into the 1# mold assembly 2, pouring the melted material of the melted 2 ' # beaker into the 2# mold assembly 2, and pouring the melted material of the melted 3 ' # beaker into the 3# mold assembly 2. And respectively recording pouring result data, observing the surface quality of the samples obtained under different pouring conditions, and recording the filling lengths of the pouring samples obtained under different pouring conditions.
And repeating the step S40, cleaning the wax material on the mold component 2 and the experiment table after the mold component 2 is cooled to the room temperature, resetting the mobility measuring device based on the serpentine flow channel, and completing the mobility measurement of the wax material formula A and the wax material formula B.
The wax material formula is injected from the upper end of the pouring cup 3, flows into the pouring inlet 222 through the pouring cup 3, sequentially flows forwards along the snake-shaped flow channel 221, the molten material flows and fills in the flow channel of the die assembly 2, the flowing process of the molten material can be directly observed through the transparent plate, the molten material is cooled after the cooling time of the molten material is reached, and finally the quality of the fluidity of the molten material is represented by the length of the filled type after the molten material is cooled. And meanwhile, the visual transparent plate is combined, so that the surface appearance and quality of the sample obtained under different pouring conditions can be visually observed. The flow re-length at three temperatures for the different wax formulations is shown in Table 1 below
It can be seen from table 1 that the higher the temperature, the longer the flow length, the different wax formulations also have different flow lengths at the same temperature.
Table 1.
The above is only the exemplary embodiment of the present invention, and not the limitation of the present invention, all the equivalent structures or equivalent processes of the present invention are used, or directly or indirectly applied to other related technical fields, and the same principle is included in the patent protection scope of the present invention.
Claims (5)
1. A flow measurement device based on a serpentine flow channel, comprising:
the mold assemblies are arranged on the rack, each mold assembly comprises an upper template and a lower template, the upper template is arranged on the lower template, one surface of the lower template, which is close to the upper template, is provided with a snake-shaped runner, the upper template is provided with a runner port, and the runner port is communicated with a pouring inlet of the snake-shaped runner;
the pouring cup is arranged on the upper template and communicated with the pouring inlet through the runner opening; and
and the heating device is arranged on the rack.
2. The serpentine flow channel-based flow measurement device as claimed in claim 1, wherein the serpentine flow channel includes at least two straight flow channels and at least one semicircular flow channel, the two straight flow channels are connected by the semicircular flow channel, and the pouring inlet is connected to one end of one of the straight flow channels.
3. The serpentine flow channel-based fluidity measuring device according to claim 1, wherein the mold assembly further comprises a mold base, the lower mold plate abuts against a vertical limiting plate of the mold base, and the upper mold plate is positioned with the lower mold plate by a positioning pin arranged on the lower mold plate.
4. The serpentine flow channel-based flow measurement device of claim 1, wherein the upper plate is a transparent plate.
5. The serpentine flow channel based flow measurement device of claim 4, wherein the transparent material plate is one of a PC plate, a plexiglas plate, or a Permer plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021180665.2U CN212254969U (en) | 2020-06-23 | 2020-06-23 | Mobility measuring device based on snakelike runner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021180665.2U CN212254969U (en) | 2020-06-23 | 2020-06-23 | Mobility measuring device based on snakelike runner |
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| CN212254969U true CN212254969U (en) | 2020-12-29 |
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| CN202021180665.2U Active CN212254969U (en) | 2020-06-23 | 2020-06-23 | Mobility measuring device based on snakelike runner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111781101A (en) * | 2020-06-23 | 2020-10-16 | 南通大学 | Mobility measuring device and method based on snake-shaped flow channel |
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- 2020-06-23 CN CN202021180665.2U patent/CN212254969U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111781101A (en) * | 2020-06-23 | 2020-10-16 | 南通大学 | Mobility measuring device and method based on snake-shaped flow channel |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nantong Chenwen Technology Equipment Manufacturing Co.,Ltd. Assignor: NANTONG University Contract record no.: X2021980008201 Denomination of utility model: A fluidity measuring device based on serpentine channel Granted publication date: 20201229 License type: Common License Record date: 20210824 |
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| EE01 | Entry into force of recordation of patent licensing contract |