CN110935781A - Novel interior high pressure forming die and shaping device - Google Patents
Novel interior high pressure forming die and shaping device Download PDFInfo
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- CN110935781A CN110935781A CN201911118748.0A CN201911118748A CN110935781A CN 110935781 A CN110935781 A CN 110935781A CN 201911118748 A CN201911118748 A CN 201911118748A CN 110935781 A CN110935781 A CN 110935781A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
- B21D26/047—Mould construction
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Abstract
The invention discloses a novel internal high-pressure forming die, wherein a forming assembly comprises an upper insert and a lower insert, the upper insert is slidably mounted on an upper die body through an upper slide rail, a second upper forming end face matched with a first upper forming end face is arranged on one side of the upper insert, which faces towards the upper die body, the lower insert is slidably mounted on a lower die body through a lower slide rail, and a second lower forming end face matched with the first lower forming end face is arranged on one side of the lower insert, which faces towards the lower die body. The upper insert and the lower insert are arranged on one side of the upper die body and the lower die body, the forming surface of the V-shaped port of the pipe fitting is formed between the die body and the inserts, the V-shaped surface of the V-shaped port and the R angle of the V-shaped surface are formed at one time through the cooperation of the inner high pressure and the forming surface, the machining efficiency is greatly improved, and the equipment cost and the machining cost are effectively saved. The invention also discloses a novel internal high-pressure forming device.
Description
Technical Field
The invention relates to the technical field of pipe fitting processing, in particular to a novel internal high-pressure forming die and a forming device.
Background
At present, as shown in fig. 1, the application of the pipe with V-shaped end is very common as the hot end, and the product uses the V-shaped surface seal, so the requirements on the size of the V-shaped surface and the R angle size of the V-shaped surface are very high. In the general processing process, the V-shaped port is generally processed by internal high pressure forming, the product is firstly expanded to a certain arc surface, and then is extruded and formed by using an eight-piece expanding and contracting die for a pipe section forming machine. However, the above processing method mainly has the following problems:
1. the processing and forming needs two steps
The pipe end forming machine has expensive equipment, multiple working procedures and high cost;
2. the eight-petal flaring and necking die is high in processing cost, inaccurate in size control, high in reject ratio and easy to break.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a novel internal high-pressure forming die and a forming device.
The invention provides a novel internal high-pressure forming die, which comprises: the device comprises an upper template, a lower template and a forming assembly;
the bottom of the upper template is provided with an upper die body, one end of the upper die body is provided with a first upper forming end surface, the bottom of the upper template is provided with an upper sliding rail extending from the first upper forming end surface to the direction far away from the upper die body, the top of the lower template is provided with a lower die body, one end of the lower die body is provided with a first lower forming end surface matched with the first upper forming end surface, and the top of the lower template is provided with a lower sliding rail arranged corresponding to the upper sliding rail;
the forming assembly comprises an upper insert and a lower insert, the upper insert is slidably mounted on the upper die body through an upper slide rail, a second upper forming end surface matched with the first upper forming end surface is arranged on one side of the upper insert, which faces the upper die body, the lower insert is slidably mounted on the lower die body through a lower slide rail, and a second lower forming end surface matched with the first lower forming end surface is arranged on one side of the lower insert, which faces the lower die body;
go up the mould body bottom and be equipped with first last chase, the lower mould body top is equipped with first chase, and first last chase and first chase form the cover half chamber jointly, go up the bottom of inserting and be equipped with the second and go up the chase and insert the top down and be equipped with the second chase, the second go up the chase and the second chase form jointly with the movable mould chamber of cover half chamber intercommunication, the movable mould chamber with the cover half chamber forms both ends open-ended jointly and holds logical chamber.
Preferably, an upper elastic supporting piece is arranged between the upper insert and the upper die body, and a lower elastic supporting piece is arranged between the lower insert and the lower die body.
Preferably, including two shaping subassemblies, two shaping subassemblies insert respectively and install in the both sides of die body under last die body both sides and two, go up the die body both sides and all be equipped with first last shaping terminal surface and die body both sides all are equipped with first shaping terminal surface down, two shaping subassemblies the movable mould chamber respectively with cover half chamber both ends intercommunication.
Preferably, the cope match-plate pattern bottom is equipped with the last forked tail piece that extends to keeping away from last mould body direction, go up forked tail piece width from the top and increase gradually, go up insert the top be equipped with last forked tail piece complex last dovetail, the lower bolster top is equipped with the lower forked tail piece that extends to keeping away from lower mould body direction, down forked tail piece width from the top reduce gradually, insert the bottom down be equipped with down forked tail piece complex lower dovetail.
Preferably, the bottom of the upper die plate is further provided with an upper stop block, the upper stop block is located on the upper slide rail and is far away from one end of the upper die body, the top of the lower die plate is further provided with a lower stop block, and the lower stop block is located on the lower slide rail and is far away from one end of the lower die body.
According to the novel internal high-pressure forming die, the forming assembly comprises the upper insert and the lower insert, the upper insert is slidably mounted on the upper die body through the upper slide rail, a second upper forming end face matched with the first upper forming end face is arranged on one side, facing the upper die body, of the upper insert, the lower insert is slidably mounted on the lower die body through the lower slide rail, and a second lower forming end face matched with the first lower forming end face is arranged on one side, facing the lower die body, of the lower insert. The upper insert and the lower insert are arranged on one side of the upper die body and the lower die body, the forming surface of the V-shaped port of the pipe fitting is formed between the die body and the inserts, the V-shaped surface of the V-shaped port and the R angle of the V-shaped surface are formed at one time through the cooperation of the inner high pressure and the forming surface, the machining efficiency is greatly improved, and the equipment cost and the machining cost are effectively saved.
The invention also provides a novel internal high-pressure forming device which comprises the novel internal high-pressure forming die.
Preferably, still include pressure boost subassembly, pressure boost subassembly includes water injection pole, actuating cylinder, pressure boost cylinder, and the actuating cylinder is located the movable mould chamber is kept away from cover half chamber one side and its orientation movable mould chamber one side is equipped with the drive post, and drive post one end is supported and is leaned on and insert down, and water injection pole one end is connected with the drive post and the other end stretches into in the movable mould chamber, the water injection pole is located movable mould intracavity one end is equipped with seal structure, and the water injection pole is inside to be equipped with the follow seal structure to the outside pressure boost passageway that extends in movable mould chamber, the output of pressure boost cylinder passes through pressure boost passageway is right hold logical chamber pressure boost or pressure release.
Preferably, the sealing assembly is arranged at one end of the fixed die cavity, which is far away from the movable die cavity.
Preferably, two pressurizing assemblies are included, and the two pressurizing assemblies are respectively positioned at two sides of the accommodating through cavity.
In the invention, the technical effect of the novel internal high-pressure forming device is similar to that of the novel internal high-pressure forming template, so that the technical effect is not repeated.
Drawings
Fig. 1 is a schematic structural diagram of a pipe fitting to be processed of a novel internal high-pressure forming die according to the present invention.
Fig. 2 is a schematic structural diagram of an upper die of the novel internal high-pressure forming die provided by the invention.
Fig. 3 is a schematic structural diagram of a lower die of the novel internal high-pressure forming die provided by the invention.
Fig. 4 is a schematic structural diagram of a novel internal high-pressure forming device provided by the invention.
Fig. 5 is a schematic view of a partial matching structure of a novel internal high pressure forming device according to the present invention.
Detailed Description
As shown in fig. 1 to 5, fig. 1 is a schematic structural diagram of a pipe processed by the novel internal high pressure forming die of the present invention, fig. 2 is a schematic structural diagram of an upper die of the novel internal high pressure forming die of the present invention, fig. 3 is a schematic structural diagram of a lower die of the novel internal high pressure forming die of the present invention, fig. 4 is a schematic structural diagram of the novel internal high pressure forming device of the present invention, and fig. 5 is a schematic partial matching structural diagram of the novel internal high pressure forming device of the present invention.
Referring to fig. 2 and 3, the present invention provides a novel internal high pressure forming die, including: the device comprises an upper template 1, a lower template 3 and a forming assembly;
an upper die body 2 is arranged at the bottom of an upper die plate 1, a first upper forming end face is arranged at one end of the upper die body 2, an upper sliding rail extending from the first upper forming end face to the direction far away from the upper die body 2 is arranged at the bottom of the upper die plate 1, a lower die body 4 is arranged at the top of a lower die plate 3, a first lower forming end face matched with the first upper forming end face is arranged at one end of the lower die body 4, and a lower sliding rail arranged corresponding to the upper sliding rail is arranged at the top of the lower die plate;
the forming assembly comprises an upper insert 5 and a lower insert 6, the upper insert 5 is slidably mounted on the upper die body 2 through an upper slide rail, a second upper forming end surface matched with the first upper forming end surface is arranged on one side, facing the upper die body 2, of the upper insert 5, the lower insert 6 is slidably mounted on the lower die body 4 through a lower slide rail, and a second lower forming end surface matched with the first lower forming end surface is arranged on one side, facing the lower die body 4, of the lower insert 6;
the bottom of the upper die body 2 is provided with a first upper die groove, the top of the lower die body 4 is provided with a first lower die groove, the first upper die groove and the first lower die groove jointly form a fixed die cavity, the bottom of the upper insert 5 is provided with a second upper die groove, the top of the lower insert 6 is provided with a second lower die groove, the second upper die groove and the second lower die groove jointly form a movable die cavity communicated with the fixed die cavity, and the movable die cavity and the fixed die cavity jointly form a containing through cavity with two ends open.
In the concrete working process of the novel internal high-pressure forming die of the embodiment, at first, to-be-processed pipe fitting is placed in a lower die groove of a lower die body, then, the upper die and the lower die are matched molds, the middle part of a to-be-processed pipe body is fixed in a fixed mold cavity between the upper die body and the lower die body, a pipe end is positioned in a fixed mold cavity between an upper insert and a lower insert, a to-be-processed part is positioned between the insert and the die body, then, to-be-processed pipe fitting one end is plugged, to-be-processed pipe fitting inside injection molding liquid through the other end, then, to-be-processed pipe fitting inside pressurization is treated through the molding liquid, the pipe fitting inside pressure is greater than pipe fitting material yield strength and is smaller than material tensile strength, to-be-processed pipe fitting side wall to-be-processed part is formed at upper and lower molding end face positions, insert and pipe fitting end part are pushed Forming an R angle under the material.
In this embodiment, the novel internal high-pressure forming die that proposes, the shaping subassembly includes that upper insert, lower insert, but upper insert through last slide rail slidable mounting on last die body, upper insert towards last die body one side be equipped with first last shaping terminal surface complex second last shaping terminal surface, but lower insert through lower slide rail slidable mounting on lower die body, down insert towards lower die body one side be equipped with first shaping terminal surface complex second lower shaping terminal surface down. The upper insert and the lower insert are arranged on one side of the upper die body and the lower die body, the forming surface of the V-shaped port of the pipe fitting is formed between the die body and the inserts, the V-shaped surface of the V-shaped port and the R angle of the V-shaped surface are formed at one time through the cooperation of the inner high pressure and the forming surface, the machining efficiency is greatly improved, and the equipment cost and the machining cost are effectively saved.
Referring to fig. 4 and 5, the present embodiment further provides a novel internal high pressure forming apparatus, including the novel internal high pressure forming mold.
In the novel interior high pressure forming device's of this embodiment specific implementation mode, still include pressure boost subassembly, pressure boost subassembly includes water injection pole 11, actuating cylinder 12, pressure boost cylinder 13, and actuating cylinder 12 is located the movable mould chamber is kept away from cover half chamber one side and its orientation movable mould chamber one side is equipped with the drive post, and drive post one end is supported and is leaned on and insert 5 and insert 6 down, and water injection pole 11 one end and drive leg joint and the other end stretch into the movable mould intracavity, water injection pole 11 is located movable mould intracavity one end is equipped with seal structure, and water injection pole 11 is inside to be equipped with the follow seal structure to the pressure boost passageway that the movable mould chamber outside extended, the output of pressure boost cylinder 13 passes through pressure boost passageway is right hold logical chamber pressure boost or pressure release.
In a practical operation mode, the molding device of the embodiment further comprises a sealing assembly, the sealing assembly is located at one end, away from the movable mold cavity, of the fixed mold cavity, one end, away from the insert, of the tube body is plugged through the sealing assembly, one end of the water injection rod extends into the other end opening of the tube body to be processed and is in sealing fit with the inner wall of the tube body to be processed through the sealing structure, then the pressurizing cylinder pressurizes the accommodating through cavity through the pressurizing channel on the water injection rod, so that the internal pressure of the tube is greater than the yield strength of the material of the tube and smaller than the tensile strength of the material, meanwhile, the driving cylinder pushes the upper insert, the lower insert and one end of the tube to move towards the upper mold body and the lower mold body through.
In another practical operation mode, the forming mold of this embodiment may also include two forming assemblies, the upper inserts 5 of the two forming assemblies are respectively installed on two sides of the upper mold body 2, and the two lower inserts 6 are respectively installed on two sides of the lower mold body 4, the first upper forming end surface is respectively arranged on two sides of the upper mold body 2, the first lower forming end surface is respectively arranged on two sides of the lower mold body 4, and the moving mold cavities of the two forming assemblies are respectively communicated with two ends of the fixed mold cavity; correspondingly, the molding device of the embodiment comprises two pressurizing assemblies, wherein the two pressurizing assemblies are respectively positioned at two sides of the accommodating through cavity; during machining, the water injection rods of the two pressurizing assemblies are inserted into the two ports of the pipe body from two sides, and the pressurizing cylinders and the driving cylinders on the two sides work simultaneously, so that the two ends of the pipe body are machined simultaneously to form V-shaped ports.
In the specific embodiment of the forming die, an upper elastic support 7 is arranged between the upper insert 5 and the upper die body 2, and a lower elastic support 8 is arranged between the lower insert 6 and the lower die body 4; through set up elastic support piece between die body and insert, on the one hand insert to provide elastic support to inserting when the die body removes, on the other hand after the shaping, make through elasticity insert the resetting, the body drawing of patterns after the processing of being convenient for.
In the concrete mounting means who inserts, 1 bottom of cope match-plate pattern is equipped with the last forked tail piece 21 that extends to keeping away from 2 directions of last die body, go up forked tail piece 21 width from the top and increase gradually, go up insert 5 tops be equipped with last forked tail piece 21 complex last dovetail, lower bolster 3 tops are equipped with the lower forked tail piece 22 that extends to keeping away from 4 directions of lower die body, the width of lower forked tail piece 22 reduces gradually from the top down, inserts 6 bottoms down and be equipped with lower forked tail piece 22 complex lower dovetail, inserts through dovetail and forked tail piece cooperation slidable mounting on the template, improves the sliding stability that inserts.
In other specific embodiments, the bottom of the upper template 1 is further provided with an upper stop block 9, the upper stop block 9 is positioned at one end of the upper slide rail, which is far away from the upper die body 2, the top of the lower template 3 is further provided with a lower stop block 10, and the lower stop block 10 is positioned at one end of the lower slide rail, which is far away from the lower die body 4; the insert is limited by arranging the upper stop block and the lower stop block.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides a novel interior high pressure forming die which characterized in that includes: the device comprises an upper template (1), a lower template (3) and a forming assembly;
an upper die body (2) is arranged at the bottom of the upper die plate (1), a first upper forming end surface is arranged at one end of the upper die body (2), an upper slide rail extending from the first upper forming end surface to the direction far away from the upper die body (2) is arranged at the bottom of the upper die plate (1), a lower die body (4) is arranged at the top of the lower die plate (3), a first lower forming end surface matched with the first upper forming end surface is arranged at one end of the lower die body (4), and a lower slide rail arranged corresponding to the upper slide rail is arranged at the top of the lower die plate (3);
the forming assembly comprises an upper insert (5) and a lower insert (6), the upper insert (5) is slidably mounted on the upper die body (2) through an upper slide rail, a second upper forming end surface matched with the first upper forming end surface is arranged on one side, facing the upper die body (2), of the upper insert (5), the lower insert (6) is slidably mounted on the lower die body (4) through a lower slide rail, and a second lower forming end surface matched with the first lower forming end surface is arranged on one side, facing the lower die body (4), of the lower insert (6);
go up die body (2) bottom and be equipped with first last die cavity, lower die body (4) top is equipped with first die cavity down, and first last die cavity and first die cavity form the cover half die cavity jointly, go up insert (5) bottom and be equipped with the second and go up the die cavity and insert (6) top down and be equipped with the second die cavity down, the second go up the die cavity and the second die cavity down form jointly with the movable mould chamber of cover half chamber intercommunication, the movable mould chamber with the cover half die cavity forms the both ends open-ended jointly and holds logical chamber.
2. A novel internal high pressure forming die as claimed in claim 1, wherein an upper elastic supporting member (7) is provided between the upper insert (5) and the upper die body (2), and a lower elastic supporting member (8) is provided between the lower insert (6) and the lower die body (4).
3. The novel internal high-pressure forming die as claimed in claim 1, comprising two forming assemblies, wherein the upper inserts (5) of the two forming assemblies are respectively installed on two sides of the upper die body (2) and the two lower inserts (6) are respectively installed on two sides of the lower die body (4), the first upper forming end surface is arranged on each of two sides of the upper die body (2) and the first lower forming end surface is arranged on each of two sides of the lower die body (4), and the movable die cavities of the two forming assemblies are respectively communicated with two ends of the fixed die cavity.
4. The novel internal high-pressure forming die as claimed in claim 1, wherein an upper dovetail block (21) extending away from the upper die body (2) is arranged at the bottom of the upper die plate (1), the width of the upper dovetail block (21) is gradually increased from top to bottom, an upper dovetail groove matched with the upper dovetail block (21) is arranged at the top of the upper insert (5), a lower dovetail block (22) extending away from the lower die body (4) is arranged at the top of the lower die plate (3), the width of the lower dovetail block (22) is gradually decreased from top to bottom, and a lower dovetail groove matched with the lower dovetail block (22) is arranged at the bottom of the lower insert (6).
5. The novel internal high-pressure forming die as claimed in claim 1, wherein an upper stop block (9) is further arranged at the bottom of the upper die plate (1), the upper stop block (9) is located at one end, away from the upper die body (2), of the upper slide rail, a lower stop block (10) is further arranged at the top of the lower die plate (3), and the lower stop block (10) is located at one end, away from the lower die body (4), of the lower slide rail.
6. A novel internal high pressure forming device, which is characterized by comprising the novel internal high pressure forming die according to any one of claims 1 to 5.
7. The novel internal high-pressure molding device according to claim 6, further comprising a pressurizing assembly, wherein the pressurizing assembly comprises a water injection rod (11), a driving cylinder (12) and a pressurizing cylinder (13), the driving cylinder (12) is located on one side, away from the fixed mold cavity, of the movable mold cavity, a driving column is arranged on one side, facing the movable mold cavity, of the movable mold cavity, one end of the driving column abuts against the upper insert (5) and the lower insert (6), one end of the water injection rod (11) is connected with the driving column, the other end of the water injection rod extends into the movable mold cavity, a sealing structure is arranged at one end, located in the movable mold cavity, of the water injection rod (11), a pressurizing channel extending from the sealing structure to the outside of the movable mold cavity is arranged inside the water injection rod, and the output end of the pressurizing cylinder (13) pressurizes or decompress.
8. The novel internal high pressure forming die as claimed in claim 7, further comprising a sealing assembly, wherein the sealing assembly is located at one end of the fixed die cavity, which is far away from the movable die cavity.
9. The novel internal high pressure forming die as claimed in claim 7, comprising two pressurizing assemblies respectively located at two sides of the accommodating through cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911118748.0A CN110935781A (en) | 2019-11-15 | 2019-11-15 | Novel interior high pressure forming die and shaping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911118748.0A CN110935781A (en) | 2019-11-15 | 2019-11-15 | Novel interior high pressure forming die and shaping device |
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| Publication Number | Publication Date |
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| CN110935781A true CN110935781A (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911118748.0A Pending CN110935781A (en) | 2019-11-15 | 2019-11-15 | Novel interior high pressure forming die and shaping device |
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| CN (1) | CN110935781A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112275885A (en) * | 2020-09-21 | 2021-01-29 | 潍坊倍力汽车零部件有限公司 | Assembled internal high-pressure forming die |
| CN112275884A (en) * | 2020-09-21 | 2021-01-29 | 潍坊倍力汽车零部件有限公司 | Inner high-pressure rapid forming die and manufacturing method thereof |
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| KR100604635B1 (en) * | 2004-10-04 | 2006-07-28 | 주식회사 성우하이텍 | A press system for hydro-forming |
| CN202591342U (en) * | 2012-03-15 | 2012-12-12 | 吉林省元隆达工装设备有限公司 | A pipe fitting bending forming device |
| CN105215130A (en) * | 2015-08-26 | 2016-01-06 | 上海汇众汽车制造有限公司 | The curved swollen performance testing device of tubing |
| CN107635685A (en) * | 2015-06-02 | 2018-01-26 | 住友重机械工业株式会社 | Shaped device |
| DE102017216278A1 (en) * | 2017-09-14 | 2019-03-14 | Bayerische Motoren Werke Aktiengesellschaft | Tool and process for hydroforming with reduced cycle time |
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- 2019-11-15 CN CN201911118748.0A patent/CN110935781A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100604635B1 (en) * | 2004-10-04 | 2006-07-28 | 주식회사 성우하이텍 | A press system for hydro-forming |
| CN202591342U (en) * | 2012-03-15 | 2012-12-12 | 吉林省元隆达工装设备有限公司 | A pipe fitting bending forming device |
| CN107635685A (en) * | 2015-06-02 | 2018-01-26 | 住友重机械工业株式会社 | Shaped device |
| CN105215130A (en) * | 2015-08-26 | 2016-01-06 | 上海汇众汽车制造有限公司 | The curved swollen performance testing device of tubing |
| DE102017216278A1 (en) * | 2017-09-14 | 2019-03-14 | Bayerische Motoren Werke Aktiengesellschaft | Tool and process for hydroforming with reduced cycle time |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112275885A (en) * | 2020-09-21 | 2021-01-29 | 潍坊倍力汽车零部件有限公司 | Assembled internal high-pressure forming die |
| CN112275884A (en) * | 2020-09-21 | 2021-01-29 | 潍坊倍力汽车零部件有限公司 | Inner high-pressure rapid forming die and manufacturing method thereof |
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Application publication date: 20200331 |
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