CN104289564A - Bending processing method for pipe fitting - Google Patents
Bending processing method for pipe fitting Download PDFInfo
- Publication number
- CN104289564A CN104289564A CN201410400191.0A CN201410400191A CN104289564A CN 104289564 A CN104289564 A CN 104289564A CN 201410400191 A CN201410400191 A CN 201410400191A CN 104289564 A CN104289564 A CN 104289564A
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- China
- Prior art keywords
- shaped block
- hydraulic cylinder
- column
- pipe
- cannelure
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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
- B21D7/00—Bending rods, profiles, or tubes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a bending processing method for a pipe fitting. Sliding friction is changed into rolling friction through rollers at the bottom of a U-shaped check block, abrasion between the U-shaped check block and a sliding groove is reduced, the moving efficiency of the U-shaped check block is improved, and the efficiency of bending an exhaust pipe is further improved.
Description
Technical field
The present invention relates to tubing apparatus for bending, specifically refer to a kind of Bending Processing method of pipe fitting.
Background technology
Loading machine is mainly used to shovel, loading, unloading, muck haulage and building stones one class bulk material, also can carry out slight spading operation to rock, pan soil.If change different equipments, the work of soil-shifting, lifting, handling unclassified stores can also be completed.In construction of the highway, be mainly used in filling out of subgrade engineering dig, the operation such as the gathering materials of pitch and coagulating cement borrow pit, charging.Because it has operating speed soon, mobility is good, operates the advantages such as light, therefore becomes the major mechanical in restoration in earth-rock construction.
When loading machine works, because its live load is large, therefore compared with being generally parallel to ground backward with the angle direction of car and light weight domestic automobile exhaust pipeline, and the angle of the oversize vehicle discharge ducts such as the loading machine of high-power transport vehicle and engineering is normally folded to ground.In the production process of blast pipe, bending for discharge duct adopts simple bend pipe equipment usually, by manual operation, bend pipe is carried out to pipe fitting, though these class methods are simple, but not only increase the working strength of staff, blast pipe after bend pipe there will be obvious fine wrinkle, namely pipe fitting makes local eminence because of unbalance stress, and local eminence place of pipe fitting easily produces metal fatigue, in use easily got rid of thing by oil cylinders such as waste gas to corrode, make the exhaust emissions of loading machine not up to standard, cause environmental pollution.
Summary of the invention
The object of the present invention is to provide a kind of Bending Processing method of pipe fitting, avoid blast pipe occur metal fatigue when bending in pipe bent position and reduce the service life of blast pipe, while reducing labor strength, improve the quality of bend pipe.
Object of the present invention is achieved through the following technical solutions:
A kind of Bending Processing method of pipe fitting, the straight pipe of blast pipe is placed on the cannelure on column, primer fluid cylinder pressure, the output of hydraulic cylinder promotes U-shaped block and moves to column direction in slide slot, when U-shaped block to contact with column and is clamped by straight pipe, hydraulic cylinder continues to move in slide slot, with cannelure just to the arc top of the side of U-shaped block for the strong point, the two ends of half slot apply an active force to straight pipe respectively, straight pipe is made to start bending generation deformation, cannelure and half slot cooperatively interact, straight pipe is made gradually deformation to occur in bending confined space, and straight pipe each several part uniform force in bending confined space, wherein on described bearing support, column is installed, described column has cannelure, bearing support is provided with hydraulic cylinder, the output of hydraulic cylinder is connected with U-shaped block, and described U-shaped block is just to the arc top of cannelure, have half slot inside the bend of described U-shaped block, the internal diameter of described U-shaped block is greater than the external diameter of column, also comprise slide slot, described slide slot is arranged on bearing support, and the end, two ends of slide slot is provided with travel switch, and described travel switch is connected with the control device of hydraulic cylinder by wire, is also provided with multiple roller in described U-shaped stop bottom.When the present invention uses, when U-shaped block moves to the end of slide slot, the end face of U-shaped block contacts with the travel switch on chute cell wall, travel switch is connected with the control device of hydraulic cylinder by wire, described hydraulic cylinder is piston-type hydraulic cylinder, the control device of hydraulic cylinder is oil pump, travel switch is connected with oil pump, and control oil pump is respectively to oil-out, oil-in oiling, stretching with this hydraulic control cylinder, travel switch can control hydraulic cylinder and quit work, the excessive propelling of U-shaped block is avoided to cause blast pipe curved transitions and cause damage, after bend pipe operation terminates, the output rollback of hydraulic cylinder, U-shaped block is driven to be separated with column, U-shaped block continues to move in slide slot, after being the travel switch contact on slide slot other end cell wall, travel switch hydraulic control cylinder quits work, namely the bend pipe of blast pipe is completed, sliding friction is become rolling friction by the roller being arranged on U-shaped stop bottom, reduces the wearing and tearing between U-shaped block and slide slot, improves the mobile efficiency of U-shaped block, further increases the efficiency of outlet elbow.
Described column is provided with multiple coaxial cannelure, and the external diameter of described cannelure increases gradually, in bearing support, be provided with cylinder from top to bottom, the output of described cylinder is connected with the bottom of column.When carrying out bend pipe operation to the blast pipe of different-diameter size, by the lifting of adjusting cylinders output, between the cannelure making various outer diameter size on exhaust pipe clamping column and half slot, moved by hydraulic cylinder again, promote U-shaped block and bend pipe is carried out to blast pipe, substantially increase practicality of the present invention, indirectly reduce production cost.
Also comprise guide plate, the two ends of described guide plate are fixed on bearing support, and guide plate has through hole, and the output of described hydraulic cylinder is connected with U-shaped block through through hole.Inverted guide plate can play certain guide effect to the output of hydraulic cylinder, ensures that hydraulic cylinder output and U-shaped block are stable mobile in slide slot.
In described through hole, sleeve pipe is installed, between described sleeve pipe and through-hole wall, is provided with multiple spring.When U-shaped block contacts with straight pipe, the output of hydraulic cylinder can be subject to radial stress, make U-shaped block that certain beating occur, and then cause the cannelure on U-shaped block and column to misplace, affect the precision of straight pipe bend pipe, in through hole, arrange sleeve pipe, radial stress can be eliminated by the spring be positioned on sleeve pipe and through-hole wall, ensures hydraulic cylinder and the stable movement in the horizontal direction of U-shaped block.
The present invention compared with prior art, has following advantage and beneficial effect:
1, the Bending Processing method of a kind of pipe fitting of the present invention, with cannelure just to the arc top of the side of U-shaped block for the strong point, the two ends of half slot apply an active force to straight pipe respectively, straight pipe is made to start bending generation deformation, cannelure and half slot cooperatively interact, straight pipe is made gradually deformation to occur in bending confined space, and straight pipe each several part uniform force in bending confined space, avoid occurring local eminence in the knee of straight pipe, extend the service life of blast pipe; Sliding friction is become rolling friction by roller, reduces the wearing and tearing between U-shaped block and slide slot, improves the mobile efficiency of U-shaped block, further increases the efficiency of outlet elbow;
2, the Bending Processing method of a kind of pipe fitting of the present invention, inverted guide plate can play certain guide effect to the output of hydraulic cylinder, ensures that hydraulic cylinder output and U-shaped block are stable mobile in slide slot;
3, the Bending Processing method of a kind of pipe fitting of the present invention, arranges sleeve pipe in through hole, and radial stress can be eliminated by the spring be positioned on sleeve pipe and through-hole wall, ensures hydraulic cylinder and the stable movement in the horizontal direction of U-shaped block.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the embodiment of the present invention, forms a application's part, does not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of U-shaped block;
Fig. 3 is the sectional view of guide plate;
Mark and corresponding parts title in accompanying drawing:
1-bearing support, 2-column, 3-hydraulic cylinder, 4-cannelure, 5-U shape block, 6-half slot, 7-slide slot, 8-travel switch, 9-guide plate, 10-roller, 11-cylinder, 12-spring, 13-sleeve pipe, 14-through hole.
Detailed description of the invention
Clearly understand for making the object, technical solutions and advantages of the present invention, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and exemplary embodiment of the present invention and explanation thereof are only for explaining the present invention, not as a limitation of the invention.
Embodiment 1
As shown in Figure 1 to Figure 3, the Bending Processing method of a kind of pipe fitting of the present invention, the straight pipe of blast pipe is placed on the cannelure on column 2, primer fluid cylinder pressure 3, the output of hydraulic cylinder 3 promotes U-shaped block 5 and moves to column 2 direction in slide slot 7, hydraulic cylinder 3 continues in slide slot 7 mobile, with cannelure 4 just to the arc top of the side of U-shaped block 5 for the strong point, the two ends of half slot 6 apply an active force to straight pipe respectively, straight pipe is made to start bending generation deformation, cannelure and half slot 6 cooperatively interact, straight pipe is made gradually deformation to occur in bending confined space, and straight pipe each several part uniform force in bending confined space, avoid occurring local eminence in the knee of straight pipe, extend the service life of blast pipe, wherein on described bearing support 1, column 2 is installed, described column 2 has cannelure 4, bearing support 1 is provided with hydraulic cylinder 3, the output of hydraulic cylinder 3 is connected with U-shaped block 5, and described U-shaped block 5 is just to the arc top of cannelure 4, have half slot 6 inside the bend of described U-shaped block 5, the internal diameter of described U-shaped block 5 is greater than the external diameter of column 2, also comprise slide slot 7, described slide slot 7 is arranged on bearing support 1, and the end, two ends of slide slot 7 is provided with travel switch 8, and described travel switch 8 is connected by the control device of wire with hydraulic cylinder 3, bottom described U-shaped block 5, be also provided with multiple roller 10.When the present invention uses, when U-shaped block 5 moves to the end of slide slot 7, the end face of U-shaped block 5 contacts with the travel switch 8 on chute cell wall, travel switch 8 is connected by the control device of wire with hydraulic cylinder 3, described hydraulic cylinder 3 is piston-type hydraulic cylinder, the control device of hydraulic cylinder 3 is oil pump, travel switch is connected with oil pump, and control oil pump is respectively to oil-out, oil-in oiling, stretching with this hydraulic control cylinder 3, travel switch 8 can control hydraulic cylinder 3 and quit work, the excessive propelling of U-shaped block 5 is avoided to cause blast pipe curved transitions and cause damage, after bend pipe operation terminates, the output rollback of hydraulic cylinder 3, U-shaped block 5 is driven to be separated with column 2, U-shaped block 5 continues to move in slide slot 7, after being travel switch 8 contact on slide slot 7 other end cell wall, travel switch 8 hydraulic control cylinder 3 quits work, namely the bend pipe of blast pipe is completed, sliding friction is become rolling friction by the roller be arranged on bottom U-shaped block 5, reduces the wearing and tearing between U-shaped block 5 and slide slot, improves the mobile efficiency of U-shaped block 5, further increases the efficiency of outlet elbow.
Embodiment 2
As shown in Figure 1, the present embodiment, on the basis of embodiment 1, described column 2 is provided with multiple coaxial cannelure 4, and the external diameter of described cannelure 4 increases gradually from top to bottom, in bearing support 1, be provided with cylinder 11, the output of described cylinder 11 is connected with the bottom of column 2.When carrying out bend pipe operation to the blast pipe of different-diameter size, by the lifting of adjusting cylinders 11 output, make between the cannelure 4 of various outer diameter size on exhaust pipe clamping column 2 and half slot 6, moved by hydraulic cylinder 3 again, promote U-shaped block 5 pairs of blast pipes and carry out bend pipe, substantially increase practicality of the present invention, indirectly reduce production cost.
Embodiment 3
As shown in Figure 3, the present embodiment, on the basis of embodiment 1, also comprises guide plate 9, and the two ends of described guide plate 9 are fixed on bearing support 1, and guide plate 9 has through hole 14, and the output of described hydraulic cylinder 3 is connected with U-shaped block 5 through through hole 14; In described through hole 14, sleeve pipe 13 is installed, between described sleeve pipe 13 and through hole 14 inwall, is provided with multiple spring 12.Inverted guide plate 9 can play certain guide effect to the output of hydraulic cylinder 3, ensures that hydraulic cylinder 3 output and U-shaped block 5 are stable mobile in slide slot 7.
Embodiment 4
As shown in figures 1 and 3, the present embodiment is on the basis of embodiment 1, when U-shaped block 5 contacts with straight pipe, the output of hydraulic cylinder 3 can be subject to radial stress, makes U-shaped block 5 that certain beating occur, and then causes U-shaped block 5 to misplace with the cannelure on column 2, affect the precision of straight pipe bend pipe, sleeve pipe 13 is set in through hole 14, is positioned at sleeve pipe 13 and radial stress can be eliminated with the spring 12 on through hole 14 wall, ensure hydraulic cylinder 3 and U-shaped block 5 stable movement in the horizontal direction.
Above-described detailed description of the invention; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. the Bending Processing method of a pipe fitting, it is characterized in that: the straight pipe of blast pipe is placed on the cannelure on column, primer fluid cylinder pressure, the output of hydraulic cylinder promotes U-shaped block and moves to column direction in slide slot, when U-shaped block to contact with column and is clamped by straight pipe, hydraulic cylinder continues to move in slide slot, with cannelure just to the arc top of the side of U-shaped block for the strong point, the two ends of half slot apply an active force to straight pipe respectively, straight pipe is made to start bending generation deformation, cannelure and half slot cooperatively interact, straight pipe is made gradually deformation to occur in bending confined space, and straight pipe each several part uniform force in bending confined space, wherein on described bearing support (1), column (2) is installed, described column (2) has cannelure (4), bearing support (1) is provided with hydraulic cylinder (3), the output of hydraulic cylinder (3) is connected with U-shaped block (5), and described U-shaped block (5) is just to the arc top of cannelure (4), have half slot (6) inside the bend of described U-shaped block (5), the internal diameter of described U-shaped block (5) is greater than the external diameter of column (2), also comprise slide slot (7), described slide slot (7) is arranged on bearing support (1), the end, two ends of slide slot (7) is provided with travel switch (8), described travel switch (8) is connected by the control device of wire with hydraulic cylinder (3), is also provided with multiple roller (10) in described U-shaped block (5) bottom.
2. the Bending Processing method of a kind of pipe fitting according to claim 1, it is characterized in that: described column (2) is provided with multiple coaxial cannelure (4), and the external diameter of described cannelure (4) from top to bottom increases gradually, in bearing support (1), be provided with cylinder (11), the output of described cylinder (11) is connected with the bottom of column (2).
3. the Bending Processing method of a kind of pipe fitting according to claim 1, it is characterized in that: also comprise guide plate (9), the two ends of described guide plate (9) are fixed on bearing support (1), guide plate (9) has through hole (14), and the output of described hydraulic cylinder (3) is connected with U-shaped block (5) through through hole (14).
4. the Bending Processing method of a kind of pipe fitting according to claim 1, is characterized in that: in described through hole (14), be provided with sleeve pipe (13), is provided with multiple spring (12) between described sleeve pipe (13) and through hole (14) inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410400191.0A CN104289564A (en) | 2014-08-15 | 2014-08-15 | Bending processing method for pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410400191.0A CN104289564A (en) | 2014-08-15 | 2014-08-15 | Bending processing method for pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104289564A true CN104289564A (en) | 2015-01-21 |
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ID=52309643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410400191.0A Pending CN104289564A (en) | 2014-08-15 | 2014-08-15 | Bending processing method for pipe fitting |
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| Country | Link |
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| CN (1) | CN104289564A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108787824A (en) * | 2018-08-07 | 2018-11-13 | 常州市鼎龙环保设备有限公司 | Bending machine for blank pipe Pattern iron supporter |
| CN112139317A (en) * | 2020-09-14 | 2020-12-29 | 颌诚(浙江)精工科技有限责任公司 | Hydraulic right-angle elbow joint processing device |
-
2014
- 2014-08-15 CN CN201410400191.0A patent/CN104289564A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108787824A (en) * | 2018-08-07 | 2018-11-13 | 常州市鼎龙环保设备有限公司 | Bending machine for blank pipe Pattern iron supporter |
| CN108787824B (en) * | 2018-08-07 | 2024-04-09 | 常州市鼎龙环保设备有限公司 | Pipe bending machine for hollow pipe flower iron frame |
| CN112139317A (en) * | 2020-09-14 | 2020-12-29 | 颌诚(浙江)精工科技有限责任公司 | Hydraulic right-angle elbow joint processing device |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150121 |