CN207839694U - Mainshaft mechanism in bending machine - Google Patents
Mainshaft mechanism in bending machine Download PDFInfo
- Publication number
- CN207839694U CN207839694U CN201721766251.6U CN201721766251U CN207839694U CN 207839694 U CN207839694 U CN 207839694U CN 201721766251 U CN201721766251 U CN 201721766251U CN 207839694 U CN207839694 U CN 207839694U
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- China
- Prior art keywords
- main shaft
- head sprocket
- rack
- bend wheel
- wheel mould
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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.)
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Abstract
The utility model discloses the mainshaft mechanisms in the bending machine in a kind of bending machine field, including：Rack, expansion bearing has main shaft in rack, main shaft upper end is fixed with bend wheel mould, main shaft is equipped with head sprocket, and main shaft is integral type machine-shaping with head sprocket, and head sprocket is connected with driving device, under the action of driving device, head sprocket drives main shaft rotation, and to drive bend wheel mould to rotate, main shaft is integral type machine-shaping with head sprocket；The main shaft is connected between rack by a pair of of taper roll bearing；Specific mounting structure between the bend wheel mould and main shaft is：Main shaft upper end is provided with several threaded mounting holes, bolt is tightened after running through bend wheel mould from top to bottom in threaded mounting hole, to which bend wheel mould is fixedly mounted on main shaft upper surface.The utility model has many advantages, such as that the main shaft torsion limit is high, greatly reduces main shaft risk of breakage.
Description
Technical field
The utility model is related to the mainshaft mechanisms in bending machine field more particularly to a kind of bending machine.
Background technology
In bending machine, is rotated by driving spindle and bend wheel mould and bending pipe arm is driven to rotate.It is commonly used in industry at present
A kind of mainshaft mechanism include：Rack, expansion bearing has main shaft, main shaft outer cover to be equipped with head sprocket, head sprocket and master in rack
It is connected by the cooperation of key and keyway between axis, work top is stretched out on main shaft top, and is socketed admittedly on the outside of main shaft upper end
Surely there is bend wheel mould；Head sprocket is connected with driving mechanism, and under the action of driving mechanism, head sprocket can drive main shaft to revolve
Turn, to make bend wheel mould rotate.
Above-mentioned mainshaft mechanism has the following disadvantages：One, pass through key connection between main shaft and head sprocket so that the torsion of main shaft
The power limit is relatively low, and two necks that head sprocket or more is located to lead to the problem of main shaft are easy to happen fracture；Two, bend wheel mould
It is sheathed on the outside of main shaft upper end so that main shaft upper end, which is easy to happen, to fracture.
Utility model content
The technical issues of solving needed for the utility model be：There is provided it is a kind of can be obviously improved the main shaft torsion limit, reduce master
Mainshaft mechanism in the bending machine of axle fracture risk.
To solve the above problems, the technical solution adopted in the utility model is：Rack, expansion bearing has main shaft in rack,
Main shaft upper end is fixed with bend wheel mould, and main shaft is equipped with head sprocket, and main shaft and head sprocket are integral type machine-shaping, head sprocket with
Driving device is connected, and under the action of driving device, head sprocket drives main shaft rotation, main to drive bend wheel mould to rotate
Axis is integral type machine-shaping with head sprocket；The main shaft is connected between rack by a pair of of taper roll bearing；It is described curved
Specific mounting structure between pipe wheel model and main shaft is：Main shaft upper end is provided with several threaded mounting holes, bolt is from top to bottom
It is tightened in threaded mounting hole after bend wheel mould, to which bend wheel mould is fixedly mounted on main shaft upper surface.
Further, the mainshaft mechanism in bending machine above-mentioned, wherein：The main shaft is connected with angle measuring mechanism,
Angle measuring mechanism can measure Spindle rotation angle degree, and when main shaft is rotated to predetermined angular, angle measuring mechanism can pass through
Controller closes driving device.
Further, the mainshaft mechanism in bending machine above-mentioned, wherein：The concrete structure packet of the angle measuring mechanism
It includes：It is fixedly installed in the primary shaft belt pulley of main shaft bottom and the encoder being fixedly installed in rack, is consolidated on the output shaft of encoder
Surely it is arranged with encoder belt wheel, is connected by rack belt between encoder belt wheel and primary shaft belt pulley, encoder and controller
It is connected.
The utility model has the beneficial effects that：One, main shaft and head sprocket are integral type machine-shaping, and master can be substantially improved
The torsion limit of axis significantly reduces the risk that main shaft is broken；Two, bend wheel mould is fixed on by main shaft by bolt
On upper surface, bend wheel mould is socketed on the connection structure outside main shaft by substitution tradition, to reduce between bend wheel mould and main shaft
Shearing force, significantly reduce the risk that main shaft top is broken off；Three, the rotation of main shaft can be accurately controlled using encoder
Angle, to promote bending quality.
Description of the drawings
Fig. 1 is the structural schematic diagram of the mainshaft mechanism in bending machine described in the utility model.
Specific implementation mode
Below in conjunction with the accompanying drawings and preferred embodiment is described in further detail technical solution described in the utility model.
As shown in Figure 1, the mainshaft mechanism in bending machine, including：Rack 1, expansion bearing has main shaft 2, main shaft 2 in rack 1
Upper end is fixed with bend wheel mould 5, and main shaft 2 is equipped with head sprocket 4, and main shaft 2 is integral type machine-shaping with head sprocket 4, so just
The torsion limit that main shaft 2 can be greatly promoted significantly reduces the risk that main shaft 2 is broken.The head sprocket 4 is filled with driving
It sets and is connected, under the action of driving device, head sprocket 4 drives main shaft 2 to rotate, to drive bend wheel mould 5 to rotate, main shaft 2
It is connected by a pair of of taper roll bearing 6 between rack 1, for taper roll bearing 6 compares plain bearing, can be substantially carried
Rise the torsion limit of main shaft 2.In the present embodiment, the specific mounting structure between the bend wheel mould 5 and main shaft 2 is：In master
2 upper end of axis is provided with several threaded mounting holes, and bolt 7 is screwed into after running through bend wheel mould 5 from top to bottom in threaded mounting hole, to
Bend wheel mould 5 is fixedly mounted on the upper surface of main shaft 2.In this way, the upper surface by the way that bend wheel mould 5 to be fixed on to main shaft 2
On, replace traditional structure being socketed on using bend wheel mould 5 outside main shaft 2, to reduce between bend wheel mould 5 and main shaft 2
Shearing force significantly reduces the risk that 2 top of main shaft is broken off.In the present embodiment, the main shaft 2 and angle measuring mechanism
3 are connected, and angle measuring mechanism 3 can measure the rotation angle of main shaft 2, when main shaft 2 is rotated to predetermined angular, angle measurement
Mechanism 3 can close driving device by controller.In the present embodiment, the concrete structure of the angle measuring mechanism 3 includes：
It is fixedly installed in the primary shaft belt pulley 31 of 2 bottom of main shaft and the encoder 32 being fixedly installed in rack 1, the output shaft of encoder 32
Upper fixing sleeve is equipped with encoder belt wheel 33, is connected by rack belt 34 between encoder belt wheel 33 and primary shaft belt pulley 31, compiles
Code device 32 is connected with the controller in bending machine, the rotation angle of main shaft 2 can be accurately controlled using encoder 32, to carry
Rise bending quality.
The advantages of mainshaft mechanism in the bending machine of above structure, is：One, main shaft and head sprocket are processed into for integral type
The torsion limit of main shaft can be substantially improved in type in this way, significantly reduce the risk that main shaft is broken；Two, pass through bolt
Bend wheel mould is fixed on the upper surface of main shaft, bend wheel mould is socketed on the connection structure outside main shaft by substitution tradition, from
And the shearing force between bend wheel mould and main shaft is reduced, significantly reduce the risk that main shaft top is broken off；Three, using encoder
The rotation angle that main shaft can be accurately controlled, to promote bending quality.
Claims (3)
1. the mainshaft mechanism in bending machine, including：Rack, expansion bearing has main shaft in rack, it is characterised in that：Main shaft upper end is solid
There are bend wheel mould, main shaft to be equipped with head sprocket, main shaft is integral type machine-shaping, head sprocket and driving device phase with head sprocket surely
Connection, under the action of driving device, head sprocket drives main shaft rotation, to drive bend wheel mould to rotate, main shaft and head sprocket
For integral type machine-shaping；The main shaft is connected between rack by a pair of of taper roll bearing；The bend wheel mould and master
Specific mounting structure between axis is：Main shaft upper end is provided with several threaded mounting holes, bolt runs through pipe bending wheel from top to bottom
It is tightened in threaded mounting hole after mould, to which bend wheel mould is fixedly mounted on main shaft upper surface.
2. the mainshaft mechanism in bending machine according to claim 1, it is characterised in that：The main shaft and angle measuring mechanism
It is connected, angle measuring mechanism can measure Spindle rotation angle degree, when main shaft is rotated to predetermined angular, angle measuring mechanism energy
Driving device is enough closed by controller.
3. the mainshaft mechanism in bending machine according to claim 2, it is characterised in that：The angle measuring mechanism it is specific
Structure includes：It is fixedly installed in the primary shaft belt pulley of main shaft bottom and the encoder being fixedly installed in rack, the output of encoder
On axis fixing sleeve be equipped with encoder belt wheel, be connected by rack belt between encoder belt wheel and primary shaft belt pulley, encoder with
Controller is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721766251.6U CN207839694U (en) | 2017-12-18 | 2017-12-18 | Mainshaft mechanism in bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721766251.6U CN207839694U (en) | 2017-12-18 | 2017-12-18 | Mainshaft mechanism in bending machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207839694U true CN207839694U (en) | 2018-09-11 |
Family
ID=63421140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721766251.6U Active CN207839694U (en) | 2017-12-18 | 2017-12-18 | Mainshaft mechanism in bending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207839694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107952840A (en) * | 2017-12-18 | 2018-04-24 | 张家港兴宇机械制造有限公司 | Mainshaft mechanism in bending machine |
-
2017
- 2017-12-18 CN CN201721766251.6U patent/CN207839694U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107952840A (en) * | 2017-12-18 | 2018-04-24 | 张家港兴宇机械制造有限公司 | Mainshaft mechanism in bending machine |
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