CN114147125A - Bending forming tool for thin-wall capillary metal pipe - Google Patents
Bending forming tool for thin-wall capillary metal pipe Download PDFInfo
- Publication number
- CN114147125A CN114147125A CN202111385227.9A CN202111385227A CN114147125A CN 114147125 A CN114147125 A CN 114147125A CN 202111385227 A CN202111385227 A CN 202111385227A CN 114147125 A CN114147125 A CN 114147125A
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- Prior art keywords
- bending
- die
- thin
- curved surface
- forming tool
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000005452 bending Methods 0.000 title claims abstract description 81
- 239000002184 metal Substances 0.000 title claims abstract description 38
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 38
- 238000007493 shaping process Methods 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
Classifications
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
-
- 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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a bending forming tool for a thin-wall capillary metal tube, which comprises: support, mould and mould drive arrangement bend, the mould setting of bending is in the support, the mould of bending includes the terrace die and is located the die of its below, terrace die bottom evagination is provided with the first curved surface of directional die, die top indent is provided with the second curved surface that matches with first curved surface, the positive bottom indent of terrace die is provided with the first curve groove of bending that extends along first curved surface, the positive top indent of die is provided with the second curve groove of bending that extends along the second curved surface, mould drive arrangement directly links to each other with terrace die or indirectly, opens and the closed drive of mould of bending. Through the mode, the bending forming tool for the thin-wall capillary metal tube is simple and convenient to operate, ensures the reliability of a bending angle, and enables the bending operation of the thin-wall capillary metal tube to be more standard.
Description
Technical Field
The invention relates to the technical field of submarine optical cable production, in particular to a bending forming tool for a thin-wall capillary metal tube.
Background
The submarine optical cable is used as a link for crossing ocean communication and island communication transmission, has the characteristics of extra-large length, large capacity, high reliability, strong anti-interference performance and the like, and plays an extremely important role in international communication. The optical unit of the submarine optical cable is a key core component, and a thin-wall capillary red copper needle tube (hereinafter referred to as a needle tube) which is a special tool is required to be used as a leading-in tool of the optical fiber in the manufacturing process of the submarine optical cable.
The needle tube plays an important role in guiding in the production process of the optical unit, the needle tube is divided into an outer needle tube and an inner needle tube, and the outer needle tube and the inner needle tube act together to guide the optical fiber and the fiber paste into the stainless steel loose tube to form the optical unit, namely a core part cable core of the submarine cable. The optical unit is easy to cause serious abrasion of the needle tube due to the problem that the breaking angle of the needle tube is not fixed in the production process, the needle tube is too large or too small in angle due to artificial breaking, abrasion or local collapse can be caused, the optical unit is very easy to segment after abrasion, and serious capacity loss is caused.
The needle tubing needs to be bent at any small curvature radius in the forming process, and finally the needle tubing is bent into the shape with a specified angle, but the circular tube bending device on the market is usually suitable for metal materials with large tube diameter and thick and hard material of bent tubes, the tube diameter is ultra-small, the metal materials with thin wall thickness can have obvious creases after acting force is applied, and even the metal materials are directly bent at uncertain point positions, smooth and stable transition cannot be realized during bending forming, and small-angle forming is difficult to realize.
Disclosure of Invention
The invention mainly solves the technical problem of providing a bending and forming tool for a thin-wall capillary metal tube, so that the thin-wall capillary metal tube can be bent, the bending angle of a needle tube is ensured, and the simplicity and the standardization of operation are improved.
In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a thin wall capillary metal tube's shaping frock of bending, includes: support, mould and mould drive arrangement bend, the mould setting of bending is in the support, the mould of bending includes the terrace die and is located the die of its below, terrace die bottom evagination is provided with the first curved surface of directional die, die top indent is provided with the second curved surface that matches with first curved surface, the positive bottom indent of terrace die is provided with the first curve groove of bending that extends along first curved surface, the positive top indent of die is provided with the second curve groove of bending that extends along the second curved surface, mould drive arrangement directly links to each other with terrace die or indirectly, opens and the closed drive of mould of bending.
In a preferred embodiment of the present invention, when the first curved surface is attached to the second curved surface, the first bending curved groove and the second bending curved groove form a metal pipe bending pressure maintaining cavity.
In a preferred embodiment of the invention, the support comprises a base plate, a top plate and a bottom plate, wherein the top plate is arranged on the top of the front surface of the vertical base plate, the bottom plate is arranged at the bottom of the front surface of the base plate, and the top plate and the bottom plate are parallel and form a C-shaped support structure with the base plate.
In a preferred embodiment of the invention, the female die is arranged on the base plate, and the male die is positioned above the female die.
In a preferred embodiment of the invention, the bottom of the bottom plate is provided with a screw which penetrates through the bottom plate upwards and is connected with a female die, and the female die is provided with a threaded hole corresponding to the screw.
In a preferred embodiment of the invention, the male die is provided with a positioning hole concentric with the threaded hole, the positioning hole is provided with a positioning pin, the bottom of the positioning pin extends into the threaded hole, and the top of the positioning pin extends into the top plate.
In a preferred embodiment of the present invention, the bottom of the top plate is recessed with a blind hole corresponding to the top of the positioning pin.
In a preferred embodiment of the invention, the number of the threaded holes is 2, and the threaded holes are symmetrically arranged in the female die.
In a preferred embodiment of the present invention, the mold driving device includes a screw rod vertically penetrating through a top plate and pointing to a lower male mold, and a rotating wheel disposed on the top of the screw rod, wherein a nut or a screw hole corresponding to the screw rod is disposed in the top plate.
In a preferred embodiment of the invention, the top of the male die is provided with a connecting block, the top of the connecting block is provided with a T-shaped groove, and the bottom of the screw rod is provided with a stepped shaft extending into the T-shaped groove.
The invention has the beneficial effects that: the bending and forming tool for the thin-wall capillary metal tube, disclosed by the invention, has the advantages that the opening and closing of the bending die are carried out by utilizing the die driving device, the operation is simple and convenient, when the bending die is closed, the bending and pressure maintaining of the thin-wall capillary metal tube are carried out by utilizing the metal tube bending pressure maintaining cavity formed by the first bending curve groove and the second bending curve groove, the reliability of the bending angle of the needle tube is ensured, the bending operation of the thin-wall capillary metal tube is more standard, the problem that the needle tube angle is too large or too small due to manual bending is avoided, the abrasion or local collapse of the needle tube is reduced, and the stable production of an optical unit is facilitated.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural diagram of a preferred embodiment of a bending and forming tool for thin-walled capillary metal tubes according to the present invention;
FIG. 2 is a left side view of FIG. 1;
fig. 3 is a schematic structural view of the bending die in fig. 1 after being opened.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
Referring to fig. 1 to 3, an embodiment of the invention includes:
the bending and forming tool for the thin-wall capillary metal tube shown in figure 1 comprises: the support, the mould and the mould drive arrangement of bending, the mould setting of bending is in the support, and in this embodiment, the support includes base plate 1, roof 2 and bottom plate 3, and 2 levels of roof set up at 1 positive tops of vertical base plate, and 3 levels of bottom plate set up in 1 positive bottoms of base plate, as shown in fig. 2, roof 2 parallels with bottom plate 3, constitutes the supporting structure of C shape with base plate 1, and base plate 1, roof 2 and bottom plate 3 can adopt the integration steel construction, and intensity is high.
The bending die comprises a male die 19 and a female die 20 located below the male die, the female die 20 is arranged on the bottom plate 3, the male die 19 is located above the female die 20, and a screw 6 which upwards penetrates through the bottom plate 3 and is connected with the female die 20 is arranged at the bottom of the bottom plate 3 to fix the female die 20. As shown in fig. 2, the female die 20 is provided with a threaded hole 18 corresponding to the screw 6, so that the disassembly and assembly are convenient, and the female dies 20 of different types can be replaced conveniently to adapt to bending of the thin-wall capillary metal pipe at different angles.
In order to improve the opening and closing stability of the bending die, a positioning hole concentric with the threaded hole 18 is formed in the male die 19, a positioning pin 4 with the bottom extending into the threaded hole 18 is arranged in the positioning hole, and the male die 19 is guided to lift through the positioning pin 4. During the top of location pin 4 extended to roof 2, the bottom indent was provided with the blind hole that corresponds with 4 tops of location pin in roof 2, and it is spacing to advance the top of location pin 4, advances the spacing of 4 bottoms of location pin through screw 6, has promoted the stability of location pin 4. In this embodiment, the number of screw holes 18 is 2 to the symmetry sets up in die 20, and correspondingly, the quantity of locating pin 4 also is 2, promotes the lift direction stationarity of terrace die 19, avoids the dislocation of terrace die 19 and die 20.
As shown in fig. 3, the bottom of the male die 19 is convexly provided with a first curved surface 15 pointing to the female die, the top of the female die 20 is concavely provided with a second curved surface 17 matched with the first curved surface 15, and when die assembly is carried out, the first curved surface 15 is attached to the second curved surface 17 for limiting.
The bottom of the front face of the male die 19 is concavely provided with a first bending curve groove 14 extending along the first curved surface 15, the top of the front face of the female die 20 is concavely provided with a second bending curve groove 16 extending along the second curved surface 17, and when the first curved surface 15 is attached to the second curved surface 17, the first bending curve groove 14 and the second bending curve groove 16 form a metal pipe bending pressure maintaining cavity 5 which can bend and maintain pressure of a metal pipe.
The die driving device is directly or indirectly connected with the male die 19 or the female die 20 to drive the opening and closing of the bending die, and in the embodiment, the female die 20 is fixed, so that the die driving device is required to drive the lifting of the male die 19.
Specifically, the die driving device comprises a screw rod 8 and a rotating wheel 7, the screw rod 8 vertically penetrates through the top plate 2 and directs towards a male die 19 below, the rotating wheel 7 is arranged at the top of the screw rod 8 to rotate the screw rod 8, and a screw nut 9 or a screw hole corresponding to the screw rod is arranged in the top plate 2, so that the screw rod 8 can axially lift when rotating.
The top of the male die 19 is provided with a connecting block 12, the top of the connecting block 12 is provided with a T-shaped groove 11, the bottom of the screw rod 8 is provided with a stepped shaft 13 extending into the T-shaped groove, the T-shaped groove 11 does not influence the rotation of the stepped shaft 13 along with the screw rod 8, and the connecting block 12 can be lifted along with the screw rod 8. The connecting block 12 and the male die 19 can be of an integrated structure or a split structure, and when the split structure is adopted, the connecting block 12 can be fixed on the male die 19 through the screw 10, so that the assembly and disassembly are convenient.
The thin-wall capillary metal tube is placed on the second bending curve groove 16, the screw rod 8 rotates through the rotating wheel 7, the male die 19 descends and applies acting force slowly, finally, the thin-wall capillary metal tube is bent in place through the matching of the first bending curve groove 14 and the second bending curve groove 16, the force is applied uniformly, the thin-wall capillary metal tube is free of concave walls and elliptical shapes, can be bent to reach a required specified angle, is kept standing for several hours, and after plastic deformation is formed, residual stress is eliminated.
In addition, through changing the bending die of different bending specifications, can realize carrying out the bending of target angle to thin wall capillary metal tube, for example 8 degrees ~20 degrees for the extrusion of steel band and gyro wheel has been avoided to the smooth welding region that penetrates of thin wall capillary metal tube in the light unit production process, makes the light unit welding stable and continuous, has effectively protected the welding stability of light unit.
In summary, according to the bending forming tool for the thin-wall capillary metal tube, the thin-wall capillary metal tube is bent and pressure-maintaining through the first bending curve groove 14 and the second bending curve groove 16 in the closing process of the bending die, so that the bending angle is ensured, the bending forming tool is suitable for metal tubes with small tube diameters and thin materials, such as thin-wall capillary copper tubes and thin-wall capillary stainless steel tubes, obvious creases are not generated during bending, smooth and stable transition is realized, small-angle bending forming can be performed, the operation is simple, the structure is simple, and the use cost is low.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, or direct or indirect applications in other related fields, which are made by the contents of the present specification, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a thin wall capillary metal tube's shaping frock of bending which characterized in that includes: support, mould and mould drive arrangement bend, the mould setting of bending is in the support, the mould of bending includes the terrace die and is located the die of its below, terrace die bottom evagination is provided with the first curved surface of directional die, die top indent is provided with the second curved surface that matches with first curved surface, the positive bottom indent of terrace die is provided with the first curve groove of bending that extends along first curved surface, the positive top indent of die is provided with the second curve groove of bending that extends along the second curved surface, mould drive arrangement directly links to each other with terrace die or indirectly, opens and the closed drive of mould of bending.
2. The bending and forming tool for the thin-walled capillary metal tube according to claim 1, wherein when the first curved surface and the second curved surface are attached to each other, the first bending curved groove and the second bending curved groove form a metal tube bending pressure-maintaining cavity.
3. The bending and forming tool for the thin-wall capillary metal tubes according to claim 1, wherein the support comprises a base plate, a top plate and a bottom plate, the top plate is arranged on the top of the front face of the vertical base plate, the bottom plate is arranged on the bottom of the front face of the base plate, and the top plate and the bottom plate are parallel to each other and form a C-shaped support structure with the base plate.
4. The bending and forming tool for the thin-wall capillary metal tubes according to claim 3, wherein the female die is arranged on the base plate, and the male die is positioned above the female die.
5. The bending and forming tool for the thin-wall capillary metal tubes according to claim 4, wherein screws which penetrate through the bottom plate upwards and are connected with the female die are arranged at the bottom of the bottom plate, and threaded holes corresponding to the screws are formed in the female die.
6. The bending and forming tool for the thin-wall capillary metal tubes according to claim 5, wherein the male die is provided with a positioning hole concentric with the threaded hole, the positioning hole is provided with a positioning pin, the bottom of the positioning pin extends into the threaded hole, and the top of the positioning pin extends into the top plate.
7. The bending and forming tool for the thin-wall capillary metal tubes according to claim 6, wherein blind holes corresponding to the tops of the positioning pins are concavely formed in the middle bottoms of the top plates.
8. The bending and forming tool for the thin-wall capillary metal tubes according to claim 5, wherein the number of the threaded holes is 2, and the threaded holes are symmetrically arranged in the female die.
9. The bending and forming tool for the thin-wall capillary metal tubes according to claim 6, wherein the die driving device comprises a screw rod and a rotating wheel, the screw rod vertically penetrates through a top plate and points to a male die below, the rotating wheel is arranged at the top of the screw rod, and a nut or a screw hole corresponding to the screw rod is arranged in the top plate.
10. The bending and forming tool for the thin-wall capillary metal tubes according to claim 9, wherein a connecting block is arranged at the top of the male die, a T-shaped groove is formed at the top of the connecting block, and a stepped shaft extending into the T-shaped groove is arranged at the bottom of the lead screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111385227.9A CN114147125A (en) | 2021-11-22 | 2021-11-22 | Bending forming tool for thin-wall capillary metal pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111385227.9A CN114147125A (en) | 2021-11-22 | 2021-11-22 | Bending forming tool for thin-wall capillary metal pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114147125A true CN114147125A (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111385227.9A Pending CN114147125A (en) | 2021-11-22 | 2021-11-22 | Bending forming tool for thin-wall capillary metal pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114147125A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204035264U (en) * | 2014-08-05 | 2014-12-24 | 东莞市劲威智能冲压成套设备有限公司 | A kind of bend pipe rushes control equipment automatically |
| CN206632224U (en) * | 2017-03-28 | 2017-11-14 | 东莞市昊瑞模具有限公司 | A kind of straight tube bending forming mould |
| CN206689249U (en) * | 2017-05-10 | 2017-12-01 | 三峡大学 | A kind of Pneumatic bend device |
| CN107737824A (en) * | 2017-08-22 | 2018-02-27 | 谢兴艺 | A kind of spacing bending tool of household electrical appliances cooling piece capillary |
| CN208555577U (en) * | 2018-03-26 | 2019-03-01 | 无锡市山明动力机械有限公司 | A kind of Pneumatic bend device |
| CN209156893U (en) * | 2018-11-26 | 2019-07-26 | 广州爱高制冷设备有限公司 | A kind of effective bending and forming die tool of condensation |
| CN209736465U (en) * | 2018-10-18 | 2019-12-06 | 江门市蓬江区保昌源五金制品有限公司 | Automatic slotting machine for bending pipe |
| CN111957776A (en) * | 2020-07-24 | 2020-11-20 | 十堰五龙工贸股份有限公司 | Intercooler elbow bending device |
| CN213316998U (en) * | 2020-09-10 | 2021-06-01 | 青岛昊辉金属结构有限公司 | Pipe bending machine for manufacturing pipe fitting steel structure |
-
2021
- 2021-11-22 CN CN202111385227.9A patent/CN114147125A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204035264U (en) * | 2014-08-05 | 2014-12-24 | 东莞市劲威智能冲压成套设备有限公司 | A kind of bend pipe rushes control equipment automatically |
| CN206632224U (en) * | 2017-03-28 | 2017-11-14 | 东莞市昊瑞模具有限公司 | A kind of straight tube bending forming mould |
| CN206689249U (en) * | 2017-05-10 | 2017-12-01 | 三峡大学 | A kind of Pneumatic bend device |
| CN107737824A (en) * | 2017-08-22 | 2018-02-27 | 谢兴艺 | A kind of spacing bending tool of household electrical appliances cooling piece capillary |
| CN208555577U (en) * | 2018-03-26 | 2019-03-01 | 无锡市山明动力机械有限公司 | A kind of Pneumatic bend device |
| CN209736465U (en) * | 2018-10-18 | 2019-12-06 | 江门市蓬江区保昌源五金制品有限公司 | Automatic slotting machine for bending pipe |
| CN209156893U (en) * | 2018-11-26 | 2019-07-26 | 广州爱高制冷设备有限公司 | A kind of effective bending and forming die tool of condensation |
| CN111957776A (en) * | 2020-07-24 | 2020-11-20 | 十堰五龙工贸股份有限公司 | Intercooler elbow bending device |
| CN213316998U (en) * | 2020-09-10 | 2021-06-01 | 青岛昊辉金属结构有限公司 | Pipe bending machine for manufacturing pipe fitting steel structure |
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Application publication date: 20220308 |