CN208787252U - Outlet elbow molding machine - Google Patents
Outlet elbow molding machine Download PDFInfo
- Publication number
- CN208787252U CN208787252U CN201821194416.1U CN201821194416U CN208787252U CN 208787252 U CN208787252 U CN 208787252U CN 201821194416 U CN201821194416 U CN 201821194416U CN 208787252 U CN208787252 U CN 208787252U
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- China
- Prior art keywords
- straight tube
- workbench
- exhaust
- rotating handle
- exhaust straight
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Abstract
The utility model discloses a kind of outlet elbow molding machines, including workbench, the shaft being installed vertically on the workbench, the top wheel being set in the shaft, the top wheel is equipped with and the exhaust matched lower forming tank of straight tube, rotating handle is hinged with by hinge on the workbench, the rotating handle includes the active arm of force and from power arm, the limit assembly for limiting the rotating handle rotating range is additionally provided on the workbench, it is described to be connect from power arm by connecting rod with lower platen, the lower platen is equipped with a pulley, the pulley is equipped with and the matched upper forming tank of exhaust straight tube.When being vented straight tube using present apparatus bending, tensioner spring is penetrated inside exhaust straight tube, exhaust spring can be by tensioner inside exhaust straight tube during pushing, exhaust straight tube can be prevented flat in bending time-varying, the forming tank on scroll wheel and straight tube cooperate simultaneously, forced area is increased, ensure that the stress of bending part to prevent bending part from crack phenomenon occur.
Description
Technical field
The utility model relates to exhaust pipe processing machinery field, in particular to a kind of outlet elbow molding machine.
Background technique
Exhaust elbow is a kind of pipeline being commonly used in engine exhaust system, is typically mounted on automobile or dress
The tail portion of carrier aircraft, the angle direction of exhaust pipe are high-power usually in parallel with bottom surface or the angle certain with inclined bottom surface
Means of transport vehicle exhaust pipe be usually be folded to ground, in the production process of these above-mentioned exhaust pipes, generally
In the case of be all made of that will be vented straight tube bending certain angle using bending machine, but to produce high-quality exhaust elbow not
It is that the thing being particularly easy to apparent slight crack, bend pipe occurs in process of production on the exhaust pipe after frequently encountering bend pipe
Phenomena such as place's lateral wall Reducing thickness is excessive, pipe bent position becomes flat and corrugates, most of these problems are due to pipeline unbalance stress
Caused by weighing apparatus, the mode and the position locating for bend pipe that these types of phenomenon generates are different with the radius difference of bend pipe, and
It can not necessarily occur simultaneously.The presence of bend pipe defect can generate very big negative effect to the use of elbow member, and pipe thickness becomes
It is thin, the ability that pipe fitting bears internal pressure is necessarily reduced, influences its service performance, (i.e. pipeline is curved for the distortion of bending tubing section configuration
Become at folding flat), it on the one hand may cause area of section reduction, to increase the resistance of fluid flowing, on the other hand also influence pipe
The functional effect of part in the structure；Pipe material inner wall corrugation can not only weaken pipe strength, and be easy to cause flow media speed
Unevenness generates vortex and crooked position collect dirt, influences the normal use of bend pipe.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of outlet elbow molding machine, can
The slight crack of generation and change are flat when solving the problems, such as that exhaust pipe carries out Bending Processing.
The purpose of this utility model is achieved through the following technical solutions: outlet elbow molding machine, including work
Make platform, the shaft being installed vertically on the workbench, the top being set in shaft wheel, the top wheel is equipped with and exhaust
Straight tube matched lower forming tank is hinged with rotating handle by hinge on the workbench, and the rotating handle includes active force
Arm and the limit assembly for limiting the rotating handle rotating range is additionally provided with from power arm, the workbench, it is described from power
Arm is connect by connecting rod with lower platen, and the lower platen is equipped with a pulley, and the pulley is equipped with straight with the exhaust
Matched upper forming tank is managed, one end of the exhaust straight tube is equipped with fixing clamp, and the fixing clamp is equipped with tensioner spring, tensioner bullet
Spring penetrates in exhaust straight tube, and the outer diameter of the tensioner spring is matched with the internal diameter of the exhaust straight tube.
Further, the limit assembly includes rebound limiting section and bending angle limiting section, the rebound limiting section and
The workbench is fixedly connected, and the rebound limiting section is parallel with the active arm of force under reset state, the bending angle limit
The one end in portion and workbench are hinged, and the other end is equipped with location hole and positioning pin, and the workbench is equipped with the multiple and positioning
Sell the limit hole matched.
Further, tension spring is equipped between the workbench and the rotating handle.
Further, it is additionally provided on the workbench and limits the position limiting clamp that the exhaust straight tube agitates.
The beneficial effects of the utility model are:
1) tensioner spring is installed on fixing clamp, when carrying out bending to straight tube, tensioner spring is penetrated in exhaust straight tube
Portion contacts tensioner spring directly with exhaust straight tube inner wall, when pipeline bending, the inside tensioner of tensioner spring, so that pipeline
Interior upper lower wall all by equivalent active force, can prevent exhaust straight tube from becoming flat in the process of bending.
2) the upper upper forming tank of idler wheel and exhaust straight tube cooperation, increase the contact area of bending part, it is ensured that folding
The uniform force of crook directly fractures or is vented bending part the appearance significantly recess or crack of straight tube with reduction exhaust straight tube
Phenomenon occurs, and reduces the scrappage of exhaust straight tube, substantially reduces artificial labor intensity, reduce production cost indirectly.
3) tension spring is installed, when being vented straight tube bending, there are two make for tension spring between workbench and rotating handle
With: first is that tension spring plays the role of return, can make downward active force more during lower platen is pressed downward exhaust straight tube
It is gentle and steady；Second is that tension spring plays the role of reset, tension spring can drive rotating handle after straight tube bending is completed
It resets, does not need manual reset.The use of limit assembly can avoid the excessive rotation of rotating handle clockwise or counterclockwise,
Rotating handle moves down the limit group being installed on the workbench when idler wheel being driven to push exhaust straight tube and after the completion of exhaust straight tube bending
Part is contacted with rotating handle, it is prevented that rotating handle continues to move down, effectively prevent pair of rollers exhaust straight tube it is excessive under
It presses and leads to the phenomenon that being vented straight tube appearance apparent crack.
4) detent fit on the multiple limit holes and tilt rotation portion on workbench uses, adjustable rebound limit
The range that the angular range that portion and bending angle limiting section are constituted, as rotating handle are freely rotated, it is curved so as to adjust
The angular range of pipe bending.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram that the tilt rotation portion of the utility model is installed on the workbench；
Fig. 3 is the structural schematic diagram after the exhaust straight tube bending of the utility model；
In figure, 1- workbench, 2- shaft, the top 3- wheel, 4- is vented straight tube, and the 5- active arm of force, 6- is from power arm, 7- connection
Bar, 8- lower platen, 9- pulley, 10- fixing clamp, 11- tensioner spring, 12- spring back limiting section, 13- bending angle limiting section, 14-
Limit hole, 15- tension spring, 16- position limiting clamp, 17- hinge, 18- positioning pin.
Specific embodiment
Below in conjunction with embodiment, the technical solution of the utility model is clearly and completely described, it is clear that retouched
The embodiment stated is only the utility model a part of the embodiment, instead of all the embodiments.Based in the utility model
Embodiment, those skilled in the art's every other embodiment obtained under the premise of not making the creative labor, all belongs to
In the range of the utility model protection.
As shown in Figure 1-3, the utility model provides a kind of technical solution, outlet elbow molding machine, including workbench
1, the shaft 2 being installed vertically on the workbench 1, the top wheel 3 being set in the shaft 2, the top wheel 3 are equipped with and row
The matched lower forming tank of gas straight tube 4, contact area when exhaust straight tube 4 is forced to push in this way with top wheel 3 increase, rather than single
Point contact, stress more uniformly can be hinged with rotating handle by hinge 17 on the workbench 1, the rotating handle includes
The active arm of force 5 and from power arm 6, pulling the active arm of force 5 to the right can drive the driven arm of force 6 to move downward, on the workbench 1
It is additionally provided with the limit assembly for limiting the rotating handle rotating range, it is described to be connected from power arm 6 by connecting rod 7 and lower platen 8
It connects, the lower platen 8 is equipped with a pulley 9, and the pulley 9 is equipped with and the matched upper forming tank of the exhaust straight tube 4, increasing
The big contact area of top sheave 9 and exhaust 4 bending part of straight tube, it is ensured that the uniform force of bending part is straight to reduce exhaust
There is the generation of the phenomenon that apparent recess or crack in the bending part that pipe 4 directly fractureed or be vented straight tube 4, reduces exhaust straight tube 4
Scrappage substantially reduces artificial labor intensity, reduces production cost indirectly.
One end of the exhaust straight tube 4 is equipped with fixing clamp 10, and for fixed exhaust straight tube 4, the fixing clamp 10 is equipped with
Tensioner spring 11, tensioner spring 11 penetrate in exhaust straight tube 4, and the outer diameter of the tensioner spring 11 is interior with the exhaust straight tube 4
Diameter matches, to exhaust straight tube 4 carry out bending when, by tensioner spring 11 penetrate exhaust straight tube 4 inside, make tensioner spring 11 with
Exhaust 4 inner wall of straight tube directly contacts, when pipeline bending, the inside tensioner of tensioner spring 11, so that the upper lower wall in pipeline is all
By equivalent active force, it can prevent exhaust straight tube 4 from becoming flat in the process of bending.
The limit assembly includes rebound limiting section 12 and bending angle limiting section 13, the rebound limiting section 12 with it is described
Workbench 1 is fixedly connected, and the rebound limiting section 12 is parallel with the active arm of force 5 under reset state, as shown in Fig. 2, described curved
One end of dog-ear degree limiting section 13 and workbench 1 are hinged, and the other end is equipped with location hole and positioning pin 18, set on the workbench 1
There are multiple limit holes 14 matched with the positioning pin 18, the limit hole 14 is evenly distributed on the bending angle limiting section
On 13 motion profiles pushed.The use of limiting section 12 and bending angle limiting section 13 is sprung back, it is clockwise to can avoid rotating handle
Or excessive rotation counterclockwise, when rotating handle moves down and idler wheel 9 is driven to push exhaust straight tube 4, when exhaust 4 bending of straight tube is completed
When, the bending angle limiting section 13 being installed on the workbench is contacted with the slave power arm 6 of rotating handle, is just prevented continuous from power arm
6 continue to move down, and effectively prevent 9 pairs of exhaust straight tubes 4 of idler wheel and excessively push and exhaust straight tube 4 is caused apparent crack occur
The phenomenon that, the angular range that rebound limiting section 12 and bending angle limiting section 13 are constituted, as rotating handle is freely rotated
Range, rebound limiting section 12 can rotate on workbench 1, multiple limit holes 14 and bending angle limiting section on workbench 1
Limited block on 13 is used cooperatively, the angular range that adjustable rebound limiting section 12 and bending angle limiting section 13 are constituted,
The as range that is freely rotated of rotating handle, so as to adjust the angular range of bend pipe bending.
Tension spring 15 is equipped between the workbench 1 and the rotating handle 7.Tension spring 15 plays the role of return,
It is gentler and steady to can be downward active force；Second is that tension spring 15 plays the role of reset, exhaust 4 bending of straight tube completes it
Back pull spring 15 can drive rotating handle to reset, and not need manual reset.
It is additionally provided on the workbench 1 and limits the position limiting clamp 16 that the exhaust straight tube 4 agitates, the mistake that exhaust straight tube 4 pushes
Cheng Zhong, influences the stability that straight tube 4 is vented when bending at the phenomenon that other end being caused to agitate, and position limiting clamp 16 can prevent from being vented
Straight tube 4 tilts during pushing.
As shown in figure 3, when it is implemented, will be vented what straight tube 4 was constituted from the arcwall face of the indent of pulley base 8 with top wheel 3
Passed through in gap, bending part alignment top wheel 3 will be needed, using fixed frame folder 10 will exhaust straight tube 4 it is fixed, then by tensioner spring 11
It is inserted into exhaust straight tube, the drive of the active arm of force 5 of manual rotation's rotating handle is moved downward from power arm 6, to drive cunning
Wheel 9 moves downward, and under the collective effect in the lower forming tank of pulley 9 and the lower upper type groove of top wheel 3, exhaust straight tube 4 completes folding
Curved process.
The above is only the preferred embodiment of the utility model, it should be understood that the utility model is not limited to herein
Disclosed form, should not be regarded as an exclusion of other examples, and can be used for other combinations, modifications, and environments, and
Can be in contemplated scope described herein, modifications can be made through the above teachings or related fields of technology or knowledge.And this field
The modifications and changes that personnel are carried out do not depart from the spirit and scope of the utility model, then all should be in right appended by the utility model
It is required that protection scope in.
Claims (4)
1. outlet elbow molding machine, it is characterised in that: including workbench (1), be installed vertically on the workbench (1)
Shaft (2), the top being set on the shaft (2) wheel (3), top wheel (3) be equipped with be vented straight tube (4) it is matched it is lower at
Type groove is hinged with rotating handle by hinge (17) on the workbench (1), the rotating handle include the active arm of force (5) and
From power arm (6), the limit assembly for limiting the rotating handle rotating range is additionally provided on the workbench (1), it is described driven
The arm of force (6) is connect by connecting rod (7) with lower platen (8), and the lower platen (8) is equipped with a pulley (9), the pulley
(9) it is equipped with and is equipped with fixing clamp (10) with the matched upper forming tank of exhaust straight tube (4), one end of exhaust straight tube (4),
The fixing clamp (10) is equipped with tensioner spring (11), and tensioner spring (11) penetrates in exhaust straight tube (4), the tensioner spring
(11) outer diameter is matched with the internal diameter of exhaust straight tube (4).
2. outlet elbow molding machine according to claim 1, it is characterised in that: the limit assembly includes rebound limit
Position portion (12) and bending angle limiting section (13), the rebound limiting section (12) are fixedly connected with the workbench (1), and described time
Bullet limiting section (12) is parallel with the active arm of force (5) under reset state, one end of the bending angle limiting section (13) and work
Hingedly, the other end is equipped with location hole and positioning pin (18) to platform (1), and the workbench (1) is equipped with the multiple and positioning pin
(18) limit hole (14) matched.
3. outlet elbow molding machine according to claim 1, it is characterised in that: the workbench (1) and it is described from
Tension spring (15) are equipped between power arm (6).
4. outlet elbow molding machine according to claim 1, it is characterised in that: be additionally provided on the workbench (1)
Limit the position limiting clamp (16) that exhaust straight tube (4) agitates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821194416.1U CN208787252U (en) | 2018-07-26 | 2018-07-26 | Outlet elbow molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821194416.1U CN208787252U (en) | 2018-07-26 | 2018-07-26 | Outlet elbow molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208787252U true CN208787252U (en) | 2019-04-26 |
Family
ID=66203465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821194416.1U Active CN208787252U (en) | 2018-07-26 | 2018-07-26 | Outlet elbow molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208787252U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112742925A (en) * | 2020-12-29 | 2021-05-04 | 中国航空工业集团公司西安飞机设计研究所 | Pressure signal pipe bending machine |
| CN113843322A (en) * | 2021-08-30 | 2021-12-28 | 王顺龙 | Annular new material processing equipment of buckling |
-
2018
- 2018-07-26 CN CN201821194416.1U patent/CN208787252U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112742925A (en) * | 2020-12-29 | 2021-05-04 | 中国航空工业集团公司西安飞机设计研究所 | Pressure signal pipe bending machine |
| CN113843322A (en) * | 2021-08-30 | 2021-12-28 | 王顺龙 | Annular new material processing equipment of buckling |
| CN113843322B (en) * | 2021-08-30 | 2023-12-29 | 宁波市海曙宇众金属制品有限公司 | Annular new material processing equipment of buckling |
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