CN215614360U - Three-way connecting pipe water pressure die - Google Patents
Three-way connecting pipe water pressure die Download PDFInfo
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- CN215614360U CN215614360U CN202120967646.2U CN202120967646U CN215614360U CN 215614360 U CN215614360 U CN 215614360U CN 202120967646 U CN202120967646 U CN 202120967646U CN 215614360 U CN215614360 U CN 215614360U
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Abstract
The utility model discloses a three-way connecting pipe hydraulic mould which comprises a hydraulic mould lower mould, a hydraulic mould upper mould, a high-pressure water supply device and a high-pressure maintaining device, wherein the hydraulic mould lower mould is arranged on a workbench and is provided with a first arc groove and an extrusion forming hole, the first arc groove is formed in the top of the hydraulic mould lower mould, and the extrusion forming hole is communicated with the first arc groove and is vertically arranged; the upper water pressure die is arranged on the workbench through a driving device, the driving device drives the upper water pressure die to be close to or far away from the lower water pressure die, and one side of the upper water pressure die, facing the lower water pressure die, is provided with a second arc groove corresponding to the first arc groove in position; the high-pressure water passing device is arranged on the workbench and positioned on one side of the lower die of the hydraulic die; the high-pressure maintaining device is arranged on the workbench and is positioned on the other side of the lower die of the hydraulic die. The technical scheme of the utility model aims to provide the three-way connecting pipe water pressure die for improving the forming efficiency of the three-way connecting pipe and improving the structural stability.
Description
Technical Field
The utility model relates to the technical field of tee joint forming dies, in particular to a hydraulic die for a tee joint connecting pipe.
Background
The copper pipe is an important part for assembling the air conditioner and plays a role in connecting and conveying refrigerants.
The connecting pipe has a plurality of connecting ports, generally three connecting ports, and the copper pipe that is used for forming the connecting pipe is the straight tube, and is two ports promptly, when needs third connecting port, current operation is to weld another pipeline section on the straight tube through trompil and welded mode to form the tee bend.
However, in the process of implementing the technical solution of the present invention in the embodiment of the present application, the inventor of the present application finds that the above-mentioned technology has at least the following technical problems:
the copper pipe needs to bear larger pressure during refrigeration, and the mode structure of forming the tee joint through welding is unstable, has the hidden danger of leakage, and welding process is loaded down with trivial details, welding inefficiency.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a hydraulic mould for a three-way connecting pipe, and aims to provide a hydraulic mould for a three-way connecting pipe, which can improve the forming efficiency of the three-way connecting pipe and improve the structural stability.
In order to achieve the above object, the hydraulic mold for a three-way connecting pipe provided by the present invention is installed on a workbench to realize three-way molding, and comprises:
the hydraulic die lower die is arranged on the workbench and provided with a first arc groove and an extrusion forming hole, the first arc groove is formed in the top of the hydraulic die lower die, and the extrusion forming hole is communicated with the first arc groove and is vertically arranged;
the hydraulic die upper die is arranged on the workbench through a driving device, the driving device drives the hydraulic die upper die to be close to or far away from the hydraulic die lower die, and one side, facing the hydraulic die lower die, of the hydraulic die upper die is provided with a second arc groove corresponding to the first arc groove in position;
the high-pressure water passing device is arranged on the workbench and positioned on one side of the lower die of the hydraulic die; and
the high-pressure maintaining device is arranged on the workbench and is positioned on the other side of the lower die of the hydraulic die;
the high-pressure water passing device, the hydraulic die lower die and the high-pressure maintaining device are sequentially arranged along the axis direction of the first arc groove.
In one embodiment, the high pressure water passage device includes:
the first driving mechanism is arranged on the workbench;
the water needle connecting seat is arranged on the first driving mechanism and provided with a water inlet hole; and
the water needle is arranged on the water needle connecting seat, a high-pressure water channel is formed in the water needle along the axis direction, and the high-pressure water channel is communicated with the water inlet hole.
In one embodiment, the outer side surface of the water needle is provided with a first step.
In one embodiment, the end of the water needle is provided with a first positioning portion, and the water needle connecting seat includes:
the water needle seat is connected with the first driving mechanism, the water inlet hole is formed in the water needle seat, a first positioning groove is formed in one side, away from the first driving mechanism, of the water needle seat, and the first positioning groove is communicated with the water inlet hole; and
the pressing plate corresponds to the first positioning groove and is provided with a limiting hole, one end of the water needle penetrates through the limiting hole, the first positioning part is abutted against the pressing plate, and the pressing plate is arranged on the water needle seat so that the first positioning part is arranged in the first positioning groove.
In one embodiment, the water needle seat is connected with the compression plate through a threaded fastener.
In one embodiment, the high pressure holding device includes:
the second driving mechanism is arranged on the workbench;
the pressure maintaining needle connecting seat is arranged on the second driving mechanism; and
the pressure maintaining needle is arranged on the pressure maintaining needle connecting seat.
In one embodiment, the outer side surface of the pressure maintaining needle is provided with a second step.
In one embodiment, an end of the pressure maintaining needle is provided with a second positioning portion, and the pressure maintaining needle connecting seat includes:
the pressure maintaining needle seat is connected with the second driving mechanism, and a second positioning groove is formed in one side, away from the second driving mechanism, of the pressure maintaining needle seat; and
the pressure maintaining needle seat is arranged on the second positioning groove, and the second positioning part is abutted to the pressure maintaining needle seat.
In an embodiment, the first arc grooves are arranged at intervals, each first arc groove is provided with the extrusion molding holes correspondingly communicated with each other, and the second arc grooves are arranged at intervals and correspond to the first arc grooves one to one.
In one embodiment, the three-way connecting pipe hydraulic mold further comprises a material returning mechanism, the material returning mechanism is arranged below the lower die of the hydraulic die, and the material returning mechanism comprises:
the material returning cylinder is arranged on the workbench; and
the material returning thimble is arranged on the material returning air cylinder;
the material returning air cylinder drives the material returning ejector pin to extend into or withdraw from the extrusion molding hole along the axis direction.
The technical scheme includes that the hydraulic mold comprises a lower hydraulic mold body, an upper hydraulic mold body, a high-pressure water supply device and a high-pressure maintaining device, wherein the lower hydraulic mold body is arranged on a workbench, the lower hydraulic mold body is provided with a first arc groove and an extrusion forming hole, the first arc groove is formed in the top of the lower hydraulic mold body, the extrusion forming hole is communicated with the first arc groove and is vertically arranged, the upper hydraulic mold body is arranged on the workbench through a driving device, the driving device drives the upper hydraulic mold body to be close to or far away from the lower hydraulic mold body, one side of the upper hydraulic mold body, facing the lower hydraulic mold body, is provided with a second arc groove corresponding to the first arc groove in position, the high-pressure water supply device is arranged on the workbench and is positioned on one side of the lower hydraulic mold body, the high-pressure maintaining device is arranged on the workbench and is positioned on the other side of the lower hydraulic mold body, and the high-pressure water supply device, the lower hydraulic mold body and the high-pressure maintaining device are sequentially arranged along the axial direction of the first arc groove, the straight pipe is fixed between the water pressure die lower die and the water pressure die upper die, the high-pressure water passing device stretches into from one end of the straight pipe, the high-pressure maintaining device stretches into from the other end of the straight pipe, the inside formation pressure of the straight pipe is realized by introducing high-pressure water, the straight pipe is extruded and deformed in the extrusion forming hole direction, a pipe section which extends to the outside and is closed at a port is formed on the straight pipe, and the tee joint forming can be realized by a hole opening mode.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of a three-way connecting pipe hydraulic mold according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a three-way connecting pipe hydraulic mold according to an embodiment of the present invention;
FIG. 3 is an enlarged view of FIG. 2A;
FIG. 4 is a schematic structural diagram of a high-pressure water passage device according to the present invention;
FIG. 5 is a schematic structural view of a high-pressure pressurizer of the present invention;
FIG. 6 is a schematic structural view of a straight tube section for forming a connecting tube according to the present invention;
FIG. 7 is a schematic structural view of a connection pipe after being extruded and deformed according to the present invention;
the reference numbers illustrate:
the three-way connecting pipe hydraulic mould 100; a water pressing mold lower mold 10; a first arc groove 11; an extrusion molding hole 12; a water pressure die upper die 20; a second arc groove 21; a high-pressure water passage device 30; a water needle connecting seat 31; a water needle seat 311; a compression plate 312; a water needle 32; the first step 321; a high-pressure pressurizer 40; a pressure maintaining needle connecting base 41; a pressure maintaining needle holder 411; a pressure maintaining needle 42; a second step 421; a material returning thimble 50; a straight tube section 200; the three-way connection pipe 200 a.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a hydraulic mould 100 for a three-way connecting pipe, which is arranged on a workbench to realize three-way forming. As shown in fig. 6, the copper pipe for forming the connection pipe is a straight pipe section 200, the straight pipe section 200 is extruded and deformed by the three-way connection pipe hydraulic mold 100 of the present invention to form a connection pipe with a closed end extending to the outside, and the extruded and deformed connection pipe is as shown in fig. 7.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
In an embodiment of the present invention, as shown in fig. 1, 2 and 3, the three-way connecting pipe hydraulic mold 100 includes a lower hydraulic mold die 10, an upper hydraulic mold die 20, a high-pressure water supply device 30 and a high-pressure maintaining device 40, wherein the lower hydraulic mold die 10 is disposed on a workbench, the lower hydraulic mold die 10 is provided with a first arc groove 11 and an extrusion molding hole 12, the first arc groove 11 is opened at the top of the lower hydraulic mold die 10, and the extrusion molding hole 12 is communicated with the first arc groove 11 and vertically disposed; the upper water pressing die 20 is arranged on the workbench through a driving device, the driving device drives the upper water pressing die 20 to be close to or far away from the lower water pressing die 10, and one side, facing the lower water pressing die 10, of the upper water pressing die 20 is provided with a second arc groove 21 corresponding to the first arc groove 11; the high-pressure water passing device 30 is arranged on the workbench and positioned on one side of the hydraulic die lower die 10; the high-pressure maintaining device 40 is arranged on the workbench and is positioned at the other side of the hydraulic die lower die 10; the high-pressure water supply device 30, the hydraulic die lower die 10 and the high-pressure maintaining device 40 are sequentially arranged along the axial direction of the first arc groove 11.
It can be understood that, when the upper hydraulic die 20 and the lower hydraulic die 10 are fitted, the first arc groove 11 and the second arc groove 21 form a cavity for placing and positioning the straight tube section 200, the cavity is adapted to the external shape of the straight tube section 200, and the present invention is specifically realized by placing the straight tube section 200 for forming the three-way connecting tube 200a at the first arc groove 11 of the lower hydraulic die 10, the upper hydraulic die 20 is driven by a driving device to be close to the lower hydraulic die 10, the driving device for driving the upper hydraulic die 20 is an oil cylinder, and positioning the straight tube section 200 between the first arc groove 11 and the second arc groove 21, the high-pressure water passing devices 30 and the high-pressure maintaining devices 40 located at both sides of the lower hydraulic die 10 move towards each other and extend into the straight tube section 200, wherein the high-pressure water passing device 30 passes water to one end of the straight tube section 200, and the high-pressure maintaining device 40 blocks the other end of the straight tube section 200 to form high pressure in the straight tube section 200, the water pressure is set to 60MPa, the straight pipe section 200 is extruded and deformed in the direction of the extrusion molding hole 12 under the action of high pressure, so that the straight pipe section 200 is formed into a pipe section with a closed port extending to the outside, the high-pressure water supply device 30 and the high-pressure maintaining device 40 move back to and away from the lower hydraulic die 10, the upper hydraulic die 20 also moves in the direction away from the lower hydraulic die 10 under the drive of the drive device, and the formed connecting pipe is driven by staff to open a hole through the end face, so that the forming of the three-way connecting pipe 200a can be realized.
The technical scheme includes that the hydraulic mold comprises a hydraulic mold lower mold 10, a hydraulic mold upper mold 20, a high-pressure water passing device 30 and a high-pressure maintaining device 40, the hydraulic mold lower mold 10 is arranged on a workbench, the hydraulic mold lower mold 10 is provided with a first arc groove 11 and an extrusion forming hole 12, the first arc groove 11 is formed in the top of the hydraulic mold lower mold 10, the extrusion forming hole 12 is communicated with the first arc groove 11 and is vertically arranged, the hydraulic mold upper mold 20 is arranged on the workbench through a driving device, the driving device drives the hydraulic mold upper mold 20 to be close to or far away from the hydraulic mold lower mold 10, one side of the hydraulic mold upper mold 20, facing the hydraulic mold lower mold 10, is provided with a second arc groove 21 corresponding to the first arc groove 11, the high-pressure water passing device 30 is arranged on the workbench and located on one side of the hydraulic mold lower mold 10, the high-pressure maintaining device 40 is arranged on the workbench and located on the other side of the hydraulic mold lower mold 10, the high-pressure water passing device 30, The hydraulic die lower die 10 and the high-pressure maintaining device 40 are sequentially arranged along the axial direction of the first arc groove 11, the straight pipe section 200 is fixed between the hydraulic die lower die 10 and the hydraulic die upper die 20, the high-pressure water passing device 30 extends from one end of the straight pipe section 200, the high-pressure maintaining device 40 extends from the other end of the straight pipe section 200, the pressure is formed inside the straight pipe section 200 by introducing high-pressure water, the straight pipe section 200 is pressed to the direction of the extrusion molding hole 12 to be extruded and deformed, further, a pipe section with a closed port extending outwards is formed on the straight pipe section 200, and then the tee joint can be formed by means of opening, therefore, the technical problems of hidden leakage danger, complicated welding process and low welding efficiency of the tee joint formed by welding in the prior art are effectively solved, and then realized improving tee bend connecting pipe 200a shaping efficiency and improving structural stability's technical effect.
In the embodiment of the present invention, as shown in fig. 1, 2 and 4, the high-pressure water passing device 30 includes a first driving mechanism (not shown), a water needle connecting seat 31 and a water needle 32, wherein the first driving mechanism is arranged on the workbench; the water needle connecting seat 31 is arranged on the first driving mechanism, and the water needle connecting seat 31 is provided with a water inlet 3111; the water needle 32 is arranged on the water needle connecting seat 31, the water needle 32 is provided with a high-pressure water channel along the axis direction, and the high-pressure water channel is communicated with the water inlet 3111. The first driving mechanism is an oil cylinder, the water inlet 3111 is communicated with an external water source, the water needle 32 is communicated with the water inlet 3111, the inner diameter of a high-pressure water channel of the water needle 32 is 1.5mm, and the first driving mechanism drives the water needle 32 to extend into the straight pipe section 200, so that the straight pipe section 200 is filled with water until the water pressure can enable the straight pipe section 200 to generate extrusion deformation.
In the embodiment of the present invention, as shown in fig. 4, the outer side surface of the water needle 32 is provided with a first step 321. The first step 321 is abutted against the end face of the straight pipe section 200 to play roles of positioning and extrusion deformation, when the first driving mechanism drives the water needle 32 to extend into the straight pipe section 200, the first step 321 is contacted with the end face of the straight pipe section 200, and along with the movement of the water needle 32, the straight pipe section 200 is contracted towards the middle part and is extruded and deformed.
In the embodiment of the present invention, the end of the water needle 32 is provided with a first positioning portion, the water needle connecting seat 31 includes a water needle seat 311 and a pressing plate 312, the water needle seat 311 is connected to a first driving mechanism, the water inlet 3111 is provided on the water needle seat 311, one side of the water needle seat 311 away from the first driving mechanism is provided with a first positioning groove, and the first positioning groove is communicated with the water inlet 3111; the pressing plate 312 is provided with a limiting hole corresponding to the first positioning groove, one end of the water needle 32 penetrates through the limiting hole, the first positioning part is abutted against the pressing plate 312, and the pressing plate 312 is arranged on the water needle holder 311, so that the first positioning part is arranged in the first positioning groove. The water needle connecting seat 31 and the pressing plate 312 play a role in connecting and fixing the water needle 32, and the water needle seat 311 is provided with a water inlet 3111, so that water enters the water needle 32 through the water needle seat 311 by communicating with an external water source.
In the embodiment of the present invention, the squirt cut 311 and the pressing plate 312 are connected by a threaded fastener. The mode of connecting through threaded fastener makes things convenient for dismouting and maintenance.
In the embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 5, the high pressure holding device 40 includes a second driving mechanism (not shown), a holding pressure needle connecting seat 41 and a holding pressure needle 42, wherein the second driving mechanism is disposed on the worktable; the pressure maintaining needle connecting seat 41 is arranged on the second driving mechanism; the pressure maintaining needle 42 is provided in the pressure maintaining needle connecting seat 41. The second driving mechanism is an oil cylinder, the second driving mechanism drives the pressure maintaining needle 42 to extend into the straight pipe section 200, so that the water in the straight pipe section 200 is prevented from flowing out from the other end of the straight pipe section 200 to cause pressure relief, and the high-pressure maintaining device 40 is used for keeping high pressure in the straight pipe section 200 to realize smooth extrusion deformation.
In the embodiment of the present invention, as shown in fig. 5, the outer side surface of the pressure maintaining needle 42 is provided with a second step 421. The second step 421 abuts against the end surface of the straight tube section 200 to perform positioning and extrusion deformation functions, and when the second driving mechanism drives the pressure maintaining needle 42 to extend into the straight tube section 200, the second step 421 contacts with the end surface of the straight tube section 200, and along with the movement of the pressure maintaining needle 42, the straight tube section 200 is contracted towards the middle part and is extruded and deformed.
In the embodiment of the present invention, the end of the pressure maintaining needle 42 is provided with a second positioning portion, the pressure maintaining needle connecting seat 41 includes a pressure maintaining needle seat 411 and a pressing plate 312, wherein the pressure maintaining needle seat 411 is connected to the second driving mechanism, and a second positioning slot is provided on one side of the pressure maintaining needle seat 411 away from the second driving mechanism; the pressing plate 312 is provided with a limiting hole corresponding to the second positioning groove, one end of the pressure maintaining needle 42 passes through the limiting hole, the second positioning portion abuts against the pressing plate 312, and the pressing plate 312 is arranged on the pressure maintaining needle seat 411, so that the second positioning portion is arranged in the second positioning groove. The pressing plate 312 of the pressure maintaining needle connecting seat 41 is the same as the pressing plate 312 of the water needle connecting seat 31, and both play a role in positioning and fixing.
In the embodiment of the present invention, as shown in fig. 1, 2 and 3, a plurality of first arc grooves 11 are arranged at intervals, each first arc groove 11 is provided with an extrusion molding hole 12 correspondingly communicated, and a plurality of second arc grooves 21 are arranged and correspond to the first arc grooves 11 one to one. Through setting up a plurality of first arc grooves 11 and the extrusion shaping hole 12 and the second arc groove 21 that quantity and position correspond, can carry out extrusion deformation to a plurality of straight tube sections 200 simultaneously, improve production efficiency.
In the embodiment of the present invention, as shown in fig. 1 and 2, the three-way connecting pipe hydraulic mold 100 further includes a material returning mechanism, the material returning mechanism is disposed below the water pressing mold lower mold 10, the material returning mechanism includes a material returning cylinder (not shown) and a material returning thimble 50, wherein the material returning cylinder is disposed on the workbench; the material returning thimble 50 is arranged on the material returning cylinder; the material returning cylinder drives the material returning thimble 50 to extend into or withdraw from the extrusion molding hole 12 along the axial direction. After the straight pipe section 200 is extruded, the material returning cylinder drives the material returning thimble 50 to extend into the extrusion molding hole 12 along the axis direction, and the molded connecting pipe is ejected out, so that the connecting pipe is far away from the first arc groove 11, and the material taking by staff is facilitated.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a tee junction pipe hydraulic mould installs in the workstation in order to realize the tee bend shaping, its characterized in that, tee junction pipe hydraulic mould includes:
the hydraulic die lower die is arranged on the workbench and provided with a first arc groove and an extrusion forming hole, the first arc groove is formed in the top of the hydraulic die lower die, and the extrusion forming hole is communicated with the first arc groove and is vertically arranged;
the hydraulic die upper die is arranged on the workbench through a driving device, the driving device drives the hydraulic die upper die to be close to or far away from the hydraulic die lower die, and one side, facing the hydraulic die lower die, of the hydraulic die upper die is provided with a second arc groove corresponding to the first arc groove in position;
the high-pressure water passing device is arranged on the workbench and positioned on one side of the lower die of the hydraulic die; and
the high-pressure maintaining device is arranged on the workbench and is positioned on the other side of the lower die of the hydraulic die;
the high-pressure water passing device, the hydraulic die lower die and the high-pressure maintaining device are sequentially arranged along the axis direction of the first arc groove.
2. The three-way connecting pipe hydraulic die set as claimed in claim 1, wherein the high pressure water passing means comprises:
the first driving mechanism is arranged on the workbench;
the water needle connecting seat is arranged on the first driving mechanism and provided with a water inlet hole; and
the water needle is arranged on the water needle connecting seat, a high-pressure water channel is formed in the water needle along the axis direction, and the high-pressure water channel is communicated with the water inlet hole.
3. The three-way connecting pipe hydraulic mold of claim 2, wherein the outer side of the water needle is provided with a first step.
4. The three-way connecting pipe hydraulic mold of claim 2, wherein the end of the water needle is provided with a first positioning portion, and the water needle connecting seat comprises:
the water needle seat is connected with the first driving mechanism, the water inlet hole is formed in the water needle seat, a first positioning groove is formed in one side, away from the first driving mechanism, of the water needle seat, and the first positioning groove is communicated with the water inlet hole; and
the pressing plate corresponds to the first positioning groove and is provided with a limiting hole, one end of the water needle penetrates through the limiting hole, the first positioning part is abutted against the pressing plate, and the pressing plate is arranged on the water needle seat so that the first positioning part is arranged in the first positioning groove.
5. The three-way connecting pipe hydraulic die of claim 4, wherein the water needle seat and the compression plate are connected by a threaded fastener.
6. The three-way connecting pipe hydraulic mold of claim 1, wherein the high pressure holding means comprises:
the second driving mechanism is arranged on the workbench;
the pressure maintaining needle connecting seat is arranged on the second driving mechanism; and
the pressure maintaining needle is arranged on the pressure maintaining needle connecting seat.
7. The three-way connecting pipe hydraulic mold of claim 6, wherein the outer side surface of the pressure maintaining needle is provided with a second step.
8. The three-way connecting pipe hydraulic mold of claim 6, wherein the end of the pressure maintaining needle is provided with a second positioning portion, and the pressure maintaining needle connecting seat comprises:
the pressure maintaining needle seat is connected with the second driving mechanism, and a second positioning groove is formed in one side, away from the second driving mechanism, of the pressure maintaining needle seat; and
the pressure maintaining needle seat is arranged on the second positioning groove, and the second positioning part is abutted to the pressure maintaining needle seat.
9. The three-way connecting pipe hydraulic die of claim 1, wherein the first circular arc grooves are arranged at intervals, each first circular arc groove is provided with the extrusion holes correspondingly communicated, and the second circular arc grooves are arranged at one-to-one correspondence to the first circular arc grooves.
10. The three-way connecting pipe hydraulic die of any one of claims 1 to 9, further comprising a material returning mechanism provided below the lower die of the hydraulic die, the material returning mechanism comprising:
the material returning cylinder is arranged on the workbench; and
the material returning thimble is arranged on the material returning air cylinder;
the material returning air cylinder drives the material returning ejector pin to extend into or withdraw from the extrusion molding hole along the axis direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120967646.2U CN215614360U (en) | 2021-05-07 | 2021-05-07 | Three-way connecting pipe water pressure die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120967646.2U CN215614360U (en) | 2021-05-07 | 2021-05-07 | Three-way connecting pipe water pressure die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215614360U true CN215614360U (en) | 2022-01-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120967646.2U Active CN215614360U (en) | 2021-05-07 | 2021-05-07 | Three-way connecting pipe water pressure die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215614360U (en) |
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2021
- 2021-05-07 CN CN202120967646.2U patent/CN215614360U/en active Active
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