CN217552910U - Negative pressure pouring device for shoe material - Google Patents
Negative pressure pouring device for shoe material Download PDFInfo
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- CN217552910U CN217552910U CN202221458088.8U CN202221458088U CN217552910U CN 217552910 U CN217552910 U CN 217552910U CN 202221458088 U CN202221458088 U CN 202221458088U CN 217552910 U CN217552910 U CN 217552910U
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Abstract
The utility model relates to a negative pressure pouring device for shoes material relates to shoes material casting mold device, especially relates to the casting mold device of polyurethane sole. The upper shell is provided with an upper shell cavity, the lower shell is provided with a lower shell cavity, the upper shell cavity and the lower shell cavity form a closed shell cavity when the upper shell and the lower shell are in a buckling state, and the upper shell and the lower shell are fixed on a rack; the upper die is detachably fixed in the upper shell cavity, the lower die is detachably fixed in the lower shell cavity, a sealing device is arranged at the joint surface of the upper shell and the lower shell, and a pouring hole is formed in the upper shell or/and the lower shell and communicated with a die cavity formed after the upper die and the lower die are assembled. The utility model discloses technical scheme can realize changing the mould rapidly, saves time, raises the efficiency.
Description
Technical Field
The utility model relates to a negative pressure pouring device for shoes material relates to shoes material casting mold device, especially relates to the casting mold device of polyurethane sole.
Background
The inventor has applied for a plurality of patents on the technology of manufacturing shoe materials by utilizing a forming die and adopting negative pressure pouring, and the technology meets the requirements of mass, automatic and continuous production. However, in actual production, a factory needs to produce a plurality of shoe materials with different designs and colors, so different molds need to be replaced on the same production line, the molds are firmly fixed on the frame, the old molds need to be detached from the frame when the molds are replaced, and then new molds are installed on the frame for fixing and debugging. Because the new die needs to be guaranteed to be poured under the negative pressure state, the new die needs to be debugged for many times until all indexes meet the technical requirements. This debugging process takes much time and effort, which greatly reduces labor efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a negative pressure pouring device for shoes material through the institutional advancement to the mould, can realize changing the mould rapidly, saves time, raises the efficiency.
The technical scheme of the utility model: a negative pressure pouring device for shoe materials comprises an upper die and a lower die, and is characterized by further comprising an upper shell and a lower shell which are hinged and can be buckled, wherein the upper shell is provided with an upper shell cavity, the lower shell is provided with a lower shell cavity, the upper shell cavity and the lower shell cavity form a closed shell cavity when the upper shell and the lower shell are in a buckled state, and the upper shell and the lower shell are fixed on a rack; the upper die is detachably fixed in the upper shell cavity, the lower die is detachably fixed in the lower shell cavity, a sealing device is arranged at the joint surface of the upper shell and the lower shell, and a pouring hole is formed in the upper shell or/and the lower shell and communicated with a die cavity formed after the upper die and the lower die are assembled.
According to the negative pressure pouring device for the shoe material, the upper shell or/and the lower shell is/are provided with the air exhaust hole, the inner end of the air exhaust hole is communicated with the shell cavity of the shell, and the outer end of the air exhaust hole is connected with the external negative pressure device.
According to the negative pressure pouring device for the shoe material, the channel is formed between the peripheral edge of the upper die and the cavity wall of the upper shell cavity, and the inner end of the air suction hole is located in the channel.
The negative pressure pouring device for the shoe material is characterized in that the upper shell and the lower shell are provided with screw holes, and the upper die and the lower die are fixed in the upper shell cavity and the lower shell cavity respectively through bolts.
The sealing device comprises an annular sealing groove arranged on the joint surface of the upper shell and the lower shell, an annular sealing rubber tube is arranged in the sealing groove, and the sealing rubber tube is provided with an air inlet nozzle connected with an external air pump device.
In the negative pressure pouring device for shoe materials, the shell surface of the pouring hole on the upper shell or/and the lower shell is a plane, and the pouring hole is covered by the vacuum material pouring cover in a sealing manner; an exhaust pipe is respectively fixed in the vacuum material injection cover and connected with a vacuum pumping system, and a feed pipe is also fixed in the vacuum material injection cover and connected with a fluid material box; the feed tube is inserted into the pour hole.
By adopting the technical scheme, the upper die and the lower die are respectively fixed in the upper shell and the lower shell, the upper shell and the lower shell are fixed on the frame, the sealing device is arranged on the joint surface of the upper shell and the lower shell, and the shell cavity formed when the upper shell and the lower shell are buckled forms an airtight cavity, so that the negative pressure state can be ensured. When the mold is replaced, the mold is detached from the upper shell and the lower shell and then replaced with a new mold, the upper shell and the lower shell do not need to be disassembled, the negative pressure system and the negative pressure device do not need to be debugged for many times, and therefore the mold can be rapidly replaced, time is saved, and efficiency is improved.
Drawings
Fig. 1 is a front view of the appearance of the negative pressure casting device for shoe materials.
Fig. 2 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A shown in fig. 1.
Fig. 3 is a sectional view B-B shown in fig. 1.
Fig. 4 is a schematic view of the structure of the lower shell and the lower die of the negative pressure casting device for shoe materials of the present invention.
Fig. 5 is a schematic view of the negative pressure casting device and the vacuum material cover assembly for shoe material of the present invention.
Detailed Description
The invention will be described in more detail with reference to the following examples and drawings:
fig. 1, fig. 2 and fig. 5 are schematic views illustrating an embodiment of a negative pressure casting device for shoe materials according to the present invention. A negative pressure pouring device for shoe materials comprises an upper die 1, a lower die 2, an upper shell 3 and a lower shell 4 which are hinged and can be buckled, wherein the upper shell 3 is provided with an upper shell cavity 31, the lower shell 4 is provided with a lower shell cavity 41, the upper shell cavity 31 and the lower shell cavity 41 form a closed shell cavity when the upper shell 3 and the lower shell 4 are in a buckled state, and the upper shell 3 and the lower shell 4 are fixed on a rack; the upper die 1 is detachably fixed in the upper shell cavity 31, the lower die 2 is detachably fixed in the lower shell cavity 41, a sealing device is arranged at the 3-4 part of the joint surface of the upper shell 3 and the lower shell 4, the sealing device comprises an annular sealing groove 43 arranged on the upper shell 3 or the lower shell 4, an annular sealing rubber tube 6 is arranged in the sealing groove 43, the sealing rubber tube 6 is provided with an air inlet nozzle, and the air inlet nozzle is connected with an external air pump device to inflate the annular sealing rubber tube 6. And a pouring hole 5 is formed in the upper shell 3 or/and the lower shell 4, and the pouring hole 5 is communicated with a die cavity 12 formed after the upper die 1 and the lower die 2 are closed. Screw holes are formed in the upper shell 3 and the lower shell 4, and the upper die 1 and the lower die 2 are fixed in the upper shell cavity 31 and the lower shell cavity 41 through upper shell bolts 32 and lower shell bolts 42 respectively. The shell surface of the pouring hole 5 on the upper shell 3 or/and the lower shell 4 is a plane, and a vacuum material injection cover 8 is arranged to cover the pouring hole 5 in a sealing way; an air exhaust pipe 81 is respectively fixed in the vacuum material injection cover 8 and connected with a vacuum pumping system, and a feed pipe 82 is also fixed in the vacuum material injection cover 8 and connected with a fluid material box (not shown in the figure); the feed pipe 82 is inserted into the pouring hole 5. Thus, during operation, the pouring hole 5 is sealed by the vacuum material injection cover 8, the feeding pipe 82 in the vacuum material injection cover 8 is inserted into the pouring hole 5, the control valve of the exhaust pipe 81 in the vacuum material injection cover 8 is opened, and the vacuum system is started to ensure that the vacuum degrees in the vacuum material injection cover 8 and the mold cavity 12 reach a certain numerical value, wherein the numerical value of the vacuum degree needs to be determined according to the physical properties of the fluid material; then the control valve of the air exhaust pipe 81 is closed, the inlet pipes 82 are respectively opened according to a preset program to enable the fluid material to enter the die cavity 12 through the pouring hole 5, then the control valve of the air exhaust pipe 81 in the vacuum material injection cover 8 is opened to enable the outside air to enter so as to eliminate the air pressure difference between the inside and the outside of the vacuum material injection cover 8, the vacuum material injection cover 8 can be moved away from the negative pressure pouring device of the shoe material, at the moment, the vacuum material injection cover 8 is moved to the next die to carry out the next operation. After the fluid is solidified, the upper shell 3 and the upper die 1 are opened, and the finished product model is taken out to complete the whole pouring operation. If need produce another design and color product, need change the mould, only need unscrew epitheca bolt 32 and inferior valve bolt 42 this moment, can take out from epitheca 3 and inferior valve 4 respectively with last mould 1 and lower mould 2, change again new mould can, need not to take off the dress from the frame as prior art, consequently can realize changing the mould rapidly, save time raises the efficiency.
Fig. 3 and 4 are schematic views illustrating a second embodiment of a negative pressure casting device for shoe materials according to the present invention. On the basis of the first embodiment, the upper shell 3 or/and the lower shell 4 is/are provided with the air exhaust holes 7, the inner ends 71 of the air exhaust holes 7 are communicated with the shell cavity of the shell, and the outer ends 72 of the air exhaust holes 7 are connected with a vacuum pumping system. In a further mode, an upper channel 33 is formed between the peripheral edge of the upper die 1 and the cavity wall of the upper shell cavity 31, a lower channel 43 is formed between the peripheral edge of the lower die 2 and the cavity wall of the lower shell cavity 41, and the inner end 71 of the pumping hole is positioned in the upper channel 33 or/and the lower channel 43. Therefore, when the operation is carried out, the vacuum material injection cover 8 seals the pouring hole 5, the feeding pipe 82 in the vacuum material injection cover 8 is inserted into the pouring hole 5, the control valve of the exhaust pipe 81 in the vacuum material injection cover 8 is opened, the vacuum pumping system is started, and simultaneously, the exhaust hole 7 connected with the vacuum pumping system also pumps air in the shell cavity out of the cavity. Therefore, the vacuum degree in the shell cavity of the shell can reach a set value quickly to meet the process requirement, the time is saved, and the efficiency is improved.
While the invention has been described with reference to the preferred embodiments, it is to be understood that various changes and modifications may be made therein by those skilled in the art without departing from the spirit and scope of the invention.
Claims (6)
1. A negative pressure pouring device for shoe materials comprises an upper die and a lower die, and is characterized by further comprising an upper shell and a lower shell which are hinged and can be buckled, wherein the upper shell is provided with an upper shell cavity, the lower shell is provided with a lower shell cavity, the upper shell cavity and the lower shell cavity form a closed shell cavity when the upper shell and the lower shell are in a buckled state, and the upper shell and the lower shell are fixed on a rack; the upper die is detachably fixed in the upper shell cavity, the lower die is detachably fixed in the lower shell cavity, a sealing device is arranged at the joint surface of the upper shell and the lower shell, and a pouring hole is formed in the upper shell or/and the lower shell and communicated with a die cavity formed after the upper die and the lower die are assembled.
2. The negative pressure casting device for shoe materials according to claim 1, wherein the upper shell or/and the lower shell is provided with an air suction hole, the inner end of the air suction hole is communicated with the shell cavity of the outer shell, and the outer end of the air suction hole is connected with an external negative pressure device.
3. The negative pressure casting device for the shoe material as claimed in claim 2, wherein a channel is formed between the peripheral edge of the upper mold and the wall of the upper housing cavity, and the inner end of the suction hole is located in the channel.
4. The negative pressure casting device for shoe materials according to claim 2 or 3, wherein the upper and lower molds have screw holes formed thereon, and the upper and lower molds are fixed in the upper and lower mold cavities by bolts, respectively.
5. The negative pressure casting device for shoe materials of claim 4, wherein the sealing device comprises an annular sealing groove formed on the joint surface of the upper shell and the lower shell, an annular rubber sealing tube is arranged in the sealing groove, and the rubber sealing tube is provided with an air inlet nozzle connected with an external air pump device.
6. The negative pressure casting device for shoe materials of claim 5, wherein the casting holes on the upper shell or/and the lower shell have flat surfaces, and a vacuum casting cover is sealed to cover the casting holes; an exhaust pipe is respectively fixed in the vacuum material injection cover and connected with a vacuum pumping system, and a feed pipe is also fixed in the vacuum material injection cover and connected with a fluid material box; the feed tube is inserted into the pour hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221458088.8U CN217552910U (en) | 2022-06-13 | 2022-06-13 | Negative pressure pouring device for shoe material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221458088.8U CN217552910U (en) | 2022-06-13 | 2022-06-13 | Negative pressure pouring device for shoe material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217552910U true CN217552910U (en) | 2022-10-11 |
Family
ID=83500181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221458088.8U Active CN217552910U (en) | 2022-06-13 | 2022-06-13 | Negative pressure pouring device for shoe material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217552910U (en) |
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2022
- 2022-06-13 CN CN202221458088.8U patent/CN217552910U/en active Active
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