CN214391859U - Water expansion forming device - Google Patents
Water expansion forming device Download PDFInfo
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- CN214391859U CN214391859U CN202120323586.0U CN202120323586U CN214391859U CN 214391859 U CN214391859 U CN 214391859U CN 202120323586 U CN202120323586 U CN 202120323586U CN 214391859 U CN214391859 U CN 214391859U
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- pipe fitting
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- forming
- water expansion
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Abstract
The utility model discloses a water inflation forming device, including being used for the fashioned forming die of pipe fitting, set up respectively in forming die's both sides that the left side compresses tightly the injection subassembly and the right side compresses tightly the injection subassembly, wherein go up the mould and fix the pipe fitting with the lower mould is closed each other at the shaping intracavity, constitute the mould that the water inflation of pipe fitting takes shape promptly. At the moment, the left water expansion punch moves forwards to enter the forming cavity and compress one end part of the pipe fitting, the right water expansion punch also moves forwards to enter the forming cavity and compress the other end part of the pipe fitting, so that two ports of the pipe fitting are compressed and sealed through the left water expansion punch and the right water expansion punch respectively, the water inlet pipeline injects high-pressure water into the pipe fitting through the left injection channel and the right injection channel simultaneously respectively, the pipe fitting in the forming die can be expanded and formed, the product can be formed at one time, and the service life of the product is long.
Description
Technical Field
The utility model relates to a water pipe processing equipment, more specifically say, it relates to a water bloated forming device.
Background
The thin-wall stainless steel water pipe is well-known by the engineering industry, and the related aspects are starting from the aspects of reducing the wall thickness and the price, so that the thin-wall stainless steel water pipe is beneficial to further popularization. The industrial production of stainless steel water pipes requires a mold as a forming part, the traditional water pipe manufacturing generally comprises the steps of blanking, bending a blanking pipe fitting, machining by a flat head machine, mechanically forming and shaping, and finally flattening a bell mouth and pushing balls, and the defects of complex production process, long production period and high manufacturing cost exist.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art existence, the utility model aims to provide a water expands forming device.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a water expansion forming device comprises a forming die for forming a pipe fitting, a left pressing injection assembly and a right pressing injection assembly are respectively arranged on two sides of the forming die,
the forming die comprises an upper die and a lower die, the upper die is provided with an upper half forming cavity, the lower die is provided with a lower half forming cavity, and the lower half forming cavity and the upper half forming cavity are matched to form a forming cavity for forming the pipe fitting;
the left compression injection assembly comprises a left punch seat, a left water expansion punch matched with the formed pipe fitting is arranged on the left punch seat, and a left injection channel communicated with the water inlet pipeline is arranged on the left water expansion punch;
the right pressing injection assembly comprises a right punch seat, a right water expansion punch matched with the formed pipe fitting is arranged on the right punch seat, and a right injection channel communicated with the water inlet pipeline is arranged on the right water expansion punch;
when the upper die and the lower die are matched to fix the pipe fitting in the forming cavity, the left water expansion punch moves forwards to enter the forming cavity and press one end part of the pipe fitting, and the right water expansion punch also moves forwards to enter the forming cavity and press the other end part of the pipe fitting.
The utility model discloses further set up: the left water swelling punch comprises a water swelling punch main body and a sealing part, the sealing part is matched with the pipe fitting, and the outer diameter of the water swelling punch main body is larger than the inner diameter of the pipe fitting.
The utility model discloses further set up: the joint of the water-swelling punch main body and the sealing part is provided with a material pushing step, and the width of the material pushing step is the same as the thickness of the pipe fitting.
The utility model discloses further set up: the other end face of the sealing part facing the water swelling punch main body is an arc-shaped guide face.
The utility model discloses further set up: the left compression injection assembly comprises a left punch press plate, and the left water expansion punch is fixed on the left punch seat through the left punch press plate.
The utility model discloses further set up: the right compression injection assembly comprises a right punch press plate, and the right water-swelling punch is fixed on the right punch seat through the right punch press plate.
The utility model discloses beneficial effect: wherein the upper die and the lower die are mutually closed to fix the pipe fitting in the forming cavity, thus forming the die for water expansion forming of the pipe fitting. At the moment, the left water expansion punch moves forwards to enter the forming cavity and compress one end part of the pipe fitting, the right water expansion punch also moves forwards to enter the forming cavity and compress the other end part of the pipe fitting, so that two ports of the pipe fitting are compressed and sealed through the left water expansion punch and the right water expansion punch respectively, the water inlet pipeline injects high-pressure water into the pipe fitting through the left injection channel and the right injection channel respectively, the pipe fitting in the forming die can be expanded and formed, the production efficiency is improved, and the production period is shortened and the manufacturing cost is high.
Drawings
Fig. 1 is a schematic structural view of a water expansion forming device of the present invention;
FIG. 2 is a schematic view of the left water-swelling punch;
fig. 3 is a structural schematic diagram of the right water swelling punch.
Description of reference numerals: 1. forming a mold; 11. an upper die; 111. an upper half-forming cavity; 12. a lower die; 121. a lower half forming cavity; 2. a left compression injection assembly; 21. a left punch holder; 22. a left water-swelling punch; 221. a left injection channel; 222. a water-swellable punch body; 223. a sealing part; 2231. an arc-shaped surface; 224. a material pushing step; 23. a left punch press plate; 3. a right compression injection assembly; 31. a right punch holder; 32. a right water-swelling punch; 321. a right injection channel; 33. and a right punch press plate.
Detailed Description
A water-swelling molding apparatus according to the present invention will be described in further detail with reference to fig. 1 to 3.
A water expansion forming device comprises a forming die 1 for forming a pipe fitting, wherein a left compression injection assembly 2 and a right compression injection assembly 3 are respectively arranged on two sides of the forming die 1, the forming die 1 comprises an upper die 11 and a lower die 12, the upper die 11 is provided with an upper half forming cavity 111, the lower die 12 is provided with a lower half forming cavity 121, and the lower half forming cavity 121 and the upper half forming cavity 111 are matched to form a forming cavity for forming the pipe fitting; the left pressing injection assembly 2 comprises a left punch holder 21, a left water expansion punch 22 matched with the formed pipe fitting is arranged on the left punch holder 21, a left injection channel 221 communicated with a water inlet pipeline is arranged on the left water expansion punch 22, and the left water expansion punch 22 is fixed on the left punch holder 21 through a left punch press plate 23; the right pressing injection assembly 3 comprises a right punch holder 31, a right water expansion punch 32 matched with the formed pipe fitting is arranged on the right punch holder 31, a right injection channel 321 communicated with a water inlet pipeline is arranged on the right water expansion punch 32, and the right water expansion punch 32 is fixed on the right punch holder 31 through a right punch press plate 33; wherein, the upper die 11 and the lower die 12 are mutually closed to fix the pipe fitting in the forming cavity, thus forming the die for water expansion forming of the pipe fitting. At this moment, the left water swelling punch 22 moves forwards to enter the forming cavity and compress one end part of the pipe fitting, the right water swelling punch 32 also moves forwards to enter the forming cavity and compress the other end part of the pipe fitting, so that two ports of the pipe fitting are compressed and sealed through the left water swelling punch 22 and the right water swelling punch 32 respectively, the water inlet pipeline injects high-pressure water to the pipe fitting through the left injection channel 221 and the right injection channel 321 respectively, the pipe fitting in the forming die 1 can be expanded and formed, the production efficiency is improved, and the production period and the manufacturing cost are reduced.
The left water swelling punch 22 comprises a water swelling punch body 222 and a sealing portion 223, the sealing portion 223 is matched with the pipe fitting, the outer diameter of the water swelling punch body 222 is larger than the inner diameter of the pipe fitting, the other end face, facing the water swelling punch body 222, of the sealing portion 223 is an arc-shaped guide surface 2231, the sealing portion 223 can rapidly enter a port of the pipe fitting to be sealed through the guide effect of the arc-shaped surface 2231, meanwhile, the water swelling punch body 222 compresses a sealing port portion, the left water swelling punch 22 and the right water swelling punch 32 are identical in structure, and the right water swelling punch 32 compresses another port of the pipe fitting tightly through the above mode, so that the pipe fitting is compressed and sealed.
The connecting part of the water-swelling punch main body 222 and the sealing part 223 is provided with a material pushing step 224, the width of the material pushing step 224 is the same as the thickness of the pipe fitting, when the pipe fitting is pressed and sealed, the material pushing step 224 abuts against the end opening of the pipe fitting, and the water-swelling punch main body 222 is prevented from accidentally entering the pipe fitting to affect water-swelling forming.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A water expansion forming device is characterized in that: comprises a forming die for forming a pipe fitting, a left compaction injection assembly and a right compaction injection assembly are respectively arranged at the two sides of the forming die,
the forming die comprises an upper die and a lower die, the upper die is provided with an upper half forming cavity, the lower die is provided with a lower half forming cavity, and the lower half forming cavity and the upper half forming cavity are matched to form a forming cavity for forming the pipe fitting;
the left compression injection assembly comprises a left punch seat, a left water expansion punch matched with the formed pipe fitting is arranged on the left punch seat, and a left injection channel communicated with the water inlet pipeline is arranged on the left water expansion punch;
the right pressing injection assembly comprises a right punch seat, a right water expansion punch matched with the formed pipe fitting is arranged on the right punch seat, and a right injection channel communicated with the water inlet pipeline is arranged on the right water expansion punch;
when the upper die and the lower die are matched to fix the pipe fitting in the forming cavity, the left water expansion punch moves forwards to enter the forming cavity and press one end part of the pipe fitting, and the right water expansion punch also moves forwards to enter the forming cavity and press the other end part of the pipe fitting.
2. The apparatus of claim 1, wherein: the left water swelling punch comprises a water swelling punch main body and a sealing part, the sealing part is matched with the pipe fitting, and the outer diameter of the water swelling punch main body is larger than the inner diameter of the pipe fitting.
3. The apparatus of claim 2, wherein: the joint of the water-swelling punch main body and the sealing part is provided with a material pushing step, and the width of the material pushing step is the same as the thickness of the pipe fitting.
4. The apparatus of claim 2, wherein: the other end face of the sealing part facing the water swelling punch main body is an arc-shaped guide face.
5. The apparatus of claim 1, wherein: the left compression injection assembly comprises a left punch press plate, and the left water expansion punch is fixed on the left punch seat through the left punch press plate.
6. The apparatus of claim 1, wherein: the right compression injection assembly comprises a right punch press plate, and the right water-swelling punch is fixed on the right punch seat through the right punch press plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120323586.0U CN214391859U (en) | 2021-02-04 | 2021-02-04 | Water expansion forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120323586.0U CN214391859U (en) | 2021-02-04 | 2021-02-04 | Water expansion forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214391859U true CN214391859U (en) | 2021-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120323586.0U Active CN214391859U (en) | 2021-02-04 | 2021-02-04 | Water expansion forming device |
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| Country | Link |
|---|---|
| CN (1) | CN214391859U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112808836A (en) * | 2021-02-04 | 2021-05-18 | 浙江正康实业股份有限公司 | Water expansion forming device and forming process |
-
2021
- 2021-02-04 CN CN202120323586.0U patent/CN214391859U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112808836A (en) * | 2021-02-04 | 2021-05-18 | 浙江正康实业股份有限公司 | Water expansion forming device and forming process |
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