CN207872792U - A kind of cold pressing swan neck system - Google Patents
A kind of cold pressing swan neck system Download PDFInfo
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- CN207872792U CN207872792U CN201721353989.XU CN201721353989U CN207872792U CN 207872792 U CN207872792 U CN 207872792U CN 201721353989 U CN201721353989 U CN 201721353989U CN 207872792 U CN207872792 U CN 207872792U
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- bend pipe
- upper mold
- lower die
- arc groove
- diameter
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Abstract
The utility model provides cold pressing bending and molding device that is a kind of efficient and can guarantee bend pipe cross-sectional shape, including vertical hydraulic press, the bend pipe upper mold of fixing groove colyliform on vertical hydraulic press piston, the slot of sheave, that is, bend pipe upper mold arc groove, the left and right both sides of bend pipe upper mold respectively dispose the bend pipe lower die of a sheave shape, slot, that is, bend pipe lower die arc groove of sheave below vertical hydraulic press；The bend pipe upper mold center of circle and two bend pipe lower die centers of circle form isosceles triangle；Bend pipe upper mold arc groove diameter is not less than pipe diameter, and bend pipe lower die arc groove diameter is not less than pipe diameter；Bend pipe upper mold arc groove angle [alpha] is not more than 180 degree, and bend pipe lower die arc groove angle beta is not more than 180 degree；Pipeline after pipeline cold moudling bends part and is repaired by Tube Bending Deformation prosthetic device.Do not consider that deformation first uses cold pressing swan neck system, primary push to complete pipe bending, the pipeline deformed after bending is repaired by Tube Bending Deformation prosthetic device again, and device is simple, efficient, reduction manpower.
Description
Technical field
The utility model is related to pipe fittings to manufacture counted fields, and in particular to a kind of cold pressing bending and molding device.
Background technology
In the device of bend pipe cold moudling, pipeline is just required for mold to be clamped in bending part.General mold is divided into two pieces,
Fixing mould and flexible mould.The identical arc groove of radius, arc groove cross section are respectively provided in fixing mould and flexible mould
For semicircle, the circular arc slot cross-section of fixing mould and flexible mould is a positive round altogether.Pipeline is placed on fixing mould and work
Among the arc groove of moving mold, bent with the rotation of flexible mould, in press bending process, the section of tubing bent is always
In the mold clamping that circular arc slot cross-section is positive round.However that there are bending presses is complicated, it is low to bend efficiency for this device
Problem.
Patent CN2006201226720 discloses a kind of vertical pipe bender, colyliform left mould and right mould under bend pipe is arranged, thereon respectively
Have radial arc groove, the lower end of hydraulic cylinder is installed with bend pipe upper mold, tubing to be curved is placed on the circular arc of colyliform left mould, right mould under bend pipe
In slot, hydraulic cylinder drives bend pipe upper mold to move up and down together.The centre position of tubing with pressure is embossed on bend pipe, then by metal coffin
Material is pressed into bend pipe.It is convenient and efficient, efficient when being bent with this device, however pipeline bending part always all with it is upper
Mould contacts, and but only two-end-point is contacted with lower mold, it cannot be guaranteed that it is circle to bend partial cross sectional in press bending process, can cause
Pipe deformation, it is in actual production and impracticable.
Utility model content
The purpose of this utility model is to provide cold pressing forming elbow dress that is a kind of efficient and can guarantee bend pipe cross-sectional shape
It sets.
The purpose of this utility model is realized in the following manner：A kind of cold pressing swan neck system, including vertical hydraulic press are stood
The bend pipe upper mold of fixing groove colyliform on formula hydraulic machine piston, slot, that is, bend pipe upper mold arc groove of sheave, vertical hydraulic press lower section are curved
The left and right both sides of pipe upper mold respectively dispose the bend pipe lower die of a sheave shape, slot, that is, bend pipe lower die arc groove of sheave；On bend pipe
The mould center of circle and two bend pipe lower die centers of circle form isosceles triangle；Bend pipe upper mold arc groove diameter is not less than pipe diameter, bend pipe
Lower die arc groove diameter is not less than pipe diameter；Bend pipe upper mold arc groove angle [alpha] is not more than 180 degree, bend pipe lower die circular arc groove angle
It spends β and is not more than 180 degree；Pipeline after pipeline cold moudling bends part and is repaired by Tube Bending Deformation prosthetic device.
Bend pipe upper mold arc groove diameter is equal to pipe diameter, and bend pipe lower die arc groove diameter is more than pipe diameter；On bend pipe
Mould arc groove angle [alpha] is not more than 180 degree, and bend pipe lower die arc groove angle beta is less than 180 degree.
Bend pipe upper mold arc groove diameter is more than pipe diameter, and bend pipe lower die arc groove diameter is more than pipe diameter；On bend pipe
Mould arc groove angle [alpha] is less than 180 degree, and bend pipe lower die arc groove angle beta is less than 180 degree.
Bend pipe lower die is slidably arranged on track and locking mechanism is arranged.
Tube Bending Deformation prosthetic device includes repairing upper mold and repairing lower die, repairs upper mold and repairs the lumenal cross-section of lower die
It is semicircle, it is a complete circle that lumenal cross-section is formed after closure.It is identical with the bending radius of lower die is repaired to repair upper mold,
Bending angle is identical, repairs upper mold and reparation lower die is separately fixed at the upper die clamper of reparation and repairs in lower mould clamping device, in reparation
Die clamper is fixed on the piston head of forcing press.
The utility model has the advantages that：Using the bend pipe lower die supporting pipeline of two sheave shapes, vertical hydraulic press drives slot
The bend pipe upper mold of colyliform directly descends pressure pipeline, the reparation completely justified for one using lumenal cross-section is formed after being closed after bend pipe
Upper mold and reparation lower die repair bend pipe；Deformation is not considered first using cold pressing swan neck system, and primary push completes pipe bending, bending
The pipeline deformed afterwards is repaired by Tube Bending Deformation prosthetic device again, and device is simple, efficient, reduction manpower.Because allowing
Pipeline has certain deformation in bending, so bend pipe lower die arc groove diameter is not less than pipe diameter, bend pipe upper mold arc groove is not
Less than or equal to pipe diameter.The diameter for the pipeline being cold-pressed by utility model device has certain range, bend pipe lower die circular arc
The diameter of slot, bend pipe upper mold arc groove diameter can be the upper limits of pipe diameter range, and bending die a set of in this way can be applicable in
Multiple diameter pipeline, it is cost-effective.
Description of the drawings
Fig. 1 is cold pressing pipe bending mechanism front view.
Fig. 2 is cold pressing pipe bending mechanism side view.
Fig. 3 is part A partial enlarged view in Fig. 2.
Fig. 4 is that pipeline bends schematic diagram.
Fig. 5 is bend pipe prosthetic device schematic diagram.
Fig. 6 is bend pipe and repairs upper mold, repairs lower die schematic diagram.
Fig. 7 is the vertical view repaired upper mold, repair lower die.
Wherein 1 is pipeline, and 2 be mould holder under bend pipe, and 3 be bend pipe lower die A, and 4 be track, and 5 be bend pipe upper mold, and 6 be bend pipe
Upper die bracket, 7 be vertical hydraulic press, and 8 be bend pipe upper mold arc groove, and 9 be bend pipe lower die arc groove, and 10 be bend pipe lower die B, and 11 are
Pipeline bends part, and 12 is repair upper mold, and 13 is repair lower die, and 14 is repair upper die clamper, and 15 is repair lower mould clamping device, and 16 are
Forcing press, 17 be platform.
Specific implementation mode
As shown in Figs 1-4, a kind of cold pressing swan neck system, including vertical hydraulic press 7, the bend pipe upper mold 5 of sheave shape is by curved
Pipe upper die bracket 6 is fixed on the piston of vertical hydraulic press 7,7 positioned beneath of vertical hydraulic press, two identical sheave shape bend pipes
Lower die A3, bend pipe lower die B10.Bend pipe lower die A3, bend pipe lower die B10 are movably arranged on track 4 and are locked by locking mechanism,
The locking mechanism can be bolt；5 center of circle of bend pipe upper mold, the centers of circle bend pipe lower die A3, the centers of circle bend pipe lower die B10 form isoceles triangle
Shape.Bend pipe upper mold 5 has bend pipe upper mold arc groove 8, and bend pipe lower die arc groove 9 is equipped on bend pipe lower die A3, bend pipe lower die B10.
8 diameter of bend pipe upper mold arc groove is not less than 1 diameter of pipeline, and 9 diameter of bend pipe lower die arc groove is not less than 1 diameter of pipeline；On bend pipe
8 angle [alpha] of mould arc groove is not more than 180 degree, and 9 angle beta of bend pipe lower die arc groove is not more than 180 degree.Bend pipe lower die arc groove 9 it is straight
Diameter, bend pipe upper mold arc groove 8 diameter can be the upper limit of 1 diameter range of the utility model pipeline.
When bend pipe upper mold arc groove diameter is more than pipe diameter, then bend pipe upper mold arc groove angle [alpha] is less than 180 degree；When curved
Pipe lower die arc groove diameter is more than pipe diameter, then bend pipe lower die arc groove angle beta is less than 180 degree, in this way can be to avoid pipeline
When being folded into certain angle, bend pipe upper mold and Mode interference under bend pipe.
Preferably as 1 upside of pipeline contacts always with bend pipe upper mold arc groove 8,1 downside of pipeline only has both ends and bend pipe
Lower die arc groove 9 contacts, and bend pipe upper mold arc groove diameter 8 is selected to be equal to 1 diameter of pipeline, and 9 diameter of bend pipe lower die arc groove is more than
1 diameter of pipeline；It can preferably ensure the quality of bend pipe in this way, and 1 diameter of pipeline changes, it is only necessary to change bend pipe upper mold 5,
Also relative reduction cost.
9 diameter of bend pipe lower die arc groove is equal to the diameter upper limit of the utility model pipeline 1 with bend pipe upper mold arc groove diameter 8
When, it can suppress pipelines 1 using one set of die.9 diameter of bend pipe lower die arc groove is equal to the diameter of the utility model pipeline 1
When the upper limit, the arc groove diameter of adjustment bend pipe upper mold 5 can suppress the pipeline 1 of different-diameter.Adjust the radius of bend pipe upper mold 5
The pipeline 1 of differently curved radius can be suppressed；The curved of pipeline 1 can be changed by adjusting the depression distance of the piston of vertical hydraulic press 7
Bent angle；Bend pipe upper mold 5 does not change, and the distance between adjustment bend pipe lower die A3, bend pipe lower die B10 can change pipeline 1 most
Macrobending angle θ.
As illustrated in figs. 5-7, pipe repairing mould, which is divided into, repairs upper mold 12 and repairs lower die 13, repairs upper mold 12 and repairs lower die
13 lumenal cross-sections are semicircle, and it is a complete circle that lumenal cross-section is formed after closure.It repairs upper mold 12 and repairs lower die
13 bending radius are identical, and bending angle is identical, and it is 90 degree to be usually no more than.It repairs upper mold 12 and repairs the setting of 13 two sides of lower die
Fixing groove, reparation upper mold 12 is fixed on by bolt and dental lamina repairs on upper die clamper 14, and die clamper 14 connects pressure in reparation
The piston head of machine 16 is repaired lower die 13 and is fixed on reparation lower mould clamping device 15 by bolt and dental lamina, repairs lower mould clamping device 15 and pacify
It is placed on platform 17.
When it is implemented, 1 both ends of pipeline are individually positioned in bend pipe lower die A3, on bend pipe lower die B10 arc grooves, vertical hydraulic
Machine 7 drives bend pipe upper mold 5 to be pressed downward until being bent into scheduled angle.Then the pipeline of pipeline 1 part 11 is bent to be placed on
Repair 13 the inside of lower die.Forcing press 16, which drives, to be repaired upper die clamper 14, repairs the pushing of upper mold 12, is repaired upper mold 12 and is repaired lower die
13 are closed, and restore because pressure makes pipeline bend 11 deformed part of part.
The diameter of the utility model pipeline is DN50-DN65 millimeters, bending radius 5D-6D；Bending angle is 0 to 90 degree.
Claims (4)
1. a kind of cold pressing swan neck system, including vertical hydraulic press, the bend pipe upper mold of fixing groove colyliform, slot on vertical hydraulic press piston
The slot of wheel, that is, bend pipe upper mold arc groove, each one sheave shape of placement in the left and right both sides of bend pipe upper mold is curved below vertical hydraulic press
Pipe lower die, slot, that is, bend pipe lower die arc groove of sheave；It is characterized in that：The bend pipe upper mold center of circle and two bend pipe lower die circles
The heart forms isosceles triangle；The bend pipe upper mold arc groove diameter is not less than pipe diameter, the bend pipe lower die arc groove diameter
Not less than pipe diameter；The bend pipe upper mold arc groove angle [alpha] is not more than 180 degree, and the bend pipe lower die arc groove angle beta is little
In 180 degree；Pipeline after the pipeline cold moudling bends part and is repaired by Tube Bending Deformation prosthetic device；The bend pipe
Deformation Repair device includes repairing upper mold and repairing lower die, and the lumenal cross-section repaired upper mold and repair lower die is half
Round, it is a complete circle that lumenal cross-section is formed after closure；It is identical with the bending radius of lower die is repaired to repair upper mold, bending angle
It spends identical, the reparation upper mold and repairs lower die and be separately fixed at the upper die clamper of reparation and repair in lower mould clamping device, the reparation
Upper die clamper is fixed on the piston head of forcing press.
2. a kind of cold pressing swan neck system as described in claim 1, it is characterised in that：The bend pipe upper mold arc groove diameter is equal to pipe
Road diameter, the bend pipe lower die arc groove diameter are more than pipe diameter；The bend pipe upper mold arc groove angle [alpha] is not more than 180 degree,
The bend pipe lower die arc groove angle beta is less than 180 degree.
3. a kind of cold pressing swan neck system as described in claim 1, it is characterised in that：The bend pipe upper mold arc groove diameter is more than pipe
Road diameter, the bend pipe lower die arc groove diameter are more than pipe diameter；The bend pipe upper mold arc groove angle [alpha] is less than 180 degree, institute
It states bend pipe lower die arc groove angle beta and is less than 180 degree.
4. a kind of cold pressing swan neck system as described in claim 1,2,3 is any, it is characterised in that：The bend pipe lower die sliding setting
In orbit and locking mechanism is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721353989.XU CN207872792U (en) | 2017-10-20 | 2017-10-20 | A kind of cold pressing swan neck system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721353989.XU CN207872792U (en) | 2017-10-20 | 2017-10-20 | A kind of cold pressing swan neck system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207872792U true CN207872792U (en) | 2018-09-18 |
Family
ID=63500517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721353989.XU Active CN207872792U (en) | 2017-10-20 | 2017-10-20 | A kind of cold pressing swan neck system |
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| CN (1) | CN207872792U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110935764A (en) * | 2019-12-07 | 2020-03-31 | 东莞市泰丰空调制冷设备有限公司 | Pipe bending device for air conditioner condenser production and using method thereof |
| CN111604394A (en) * | 2020-06-01 | 2020-09-01 | 嘉兴金鹏工具有限公司 | Adjustable-curvature hydraulic pipe bender |
| CN112605188A (en) * | 2020-11-30 | 2021-04-06 | 贵州航天新力科技有限公司 | U-shaped pipe forming device and method |
| CN113414259A (en) * | 2021-06-23 | 2021-09-21 | 江苏理工学院 | Space S-bend anti-wrinkle process for large-size multilayer composite hollow pipe |
-
2017
- 2017-10-20 CN CN201721353989.XU patent/CN207872792U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110935764A (en) * | 2019-12-07 | 2020-03-31 | 东莞市泰丰空调制冷设备有限公司 | Pipe bending device for air conditioner condenser production and using method thereof |
| CN111604394A (en) * | 2020-06-01 | 2020-09-01 | 嘉兴金鹏工具有限公司 | Adjustable-curvature hydraulic pipe bender |
| CN112605188A (en) * | 2020-11-30 | 2021-04-06 | 贵州航天新力科技有限公司 | U-shaped pipe forming device and method |
| CN113414259A (en) * | 2021-06-23 | 2021-09-21 | 江苏理工学院 | Space S-bend anti-wrinkle process for large-size multilayer composite hollow pipe |
| CN113414259B (en) * | 2021-06-23 | 2022-08-16 | 江苏理工学院 | Space S-bend anti-wrinkle process for large-size multilayer composite hollow pipe |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 460019 Xingang Avenue, Airport Economic Comprehensive Experimental Zone, Zhengzhou City, Henan Province Patentee after: Zhengzhou Wanda's heavy industry limited company Address before: 460019 Xingang Avenue, Xinzheng Airport, Zhengzhou City, Henan Province Patentee before: Zhengzhou Wanda's heavy industry limited company |
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| CP02 | Change in the address of a patent holder |