CN209452576U - Flat copper bar arc fold bending tooling - Google Patents
Flat copper bar arc fold bending tooling Download PDFInfo
- Publication number
- CN209452576U CN209452576U CN201822161740.XU CN201822161740U CN209452576U CN 209452576 U CN209452576 U CN 209452576U CN 201822161740 U CN201822161740 U CN 201822161740U CN 209452576 U CN209452576 U CN 209452576U
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- bottom plate
- copper bar
- annular groove
- idler wheel
- flat copper
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Abstract
The utility model discloses a kind of flat copper bar arc fold bending tooling, solve the problems, such as that copper bar flatness not can guarantee after thin copper bar is bent into bending difficulty and bending existing for semi-circular in the direction of the width.The bottom plate annular groove (4) of U-shaped mouth is provided on the outer circle side of circular bottom plate (1), swing rod (8) are hinged on central pin shaft (3), one end of swing rod (8) is provided with bearing (5), shaft (6) is arranged in parallel with the central axis of circular bottom plate (1), idler wheel (7) are fixedly connected in the lower end of shaft (6), the wheel face of idler wheel (7) and the outer circle side apical grafting of circular bottom plate (1), the idler wheel annular groove (9) of U-shaped mouth is provided on the wheel face of idler wheel (7), flat copper bar (2) are provided between idler wheel annular groove (9) and bottom plate annular groove (4).Qualification rate is high, and processing cost is low.
Description
Technical field
The present invention relates to a kind of flat copper bar arc fold bending tooling, in particular to a kind of flat copper bar arc fold bending tooling and
Arc fold bending method.
Background technique
The sealing ring of DC Propulsion Motor is serially connected between the base end cap of motor and shaft, sealing ring rise oil sealing and
Eliminate the effect of electrostatic；The sealing ring forming process is: the flat copper bar of semi-circular is respectively embedded in two steel parent semi-rings
2 mm wides annular seal groove in, then, then sealing ring connected by the bolt on steel parent combined block.It is embedded into
The thickness of the flat copper bar of semi-circular is only 2 millimeters, and width is 10 millimeters, and outer circle arc length is 1400 millimeters, the semi-ring
The flat copper bar of shape is by with a thickness of 2 millimeters, width is 10 millimeters, the flat strip copper bar that length is 1400 millimeters, along width
Direction is bent into semiorbicular；That is, if length is horizontal in left-right direction for 1400 millimeters of flat strip copper bar
It places, is to show a length of 1400 millimeters in the horizontal plane, the rectangle that width is 10 millimeters, bending is where the rectangle
It is carried out in plane, that is, by 1400 millimeters of the flat strip copper bar long of upper side edge bending camber outer side edges, it will
1400 millimeters of long lower sides of the flat strip copper bar are bent into arc shaped inside side, in bending process, flat strip
2 millimeters of thickness of copper bar are constant, and so thin copper bar is bent into semi-circular in the direction of the width, and there are bending difficulty, bendings
Not the problem of copper bar flatness not can guarantee afterwards.
Summary of the invention
The present invention provides a kind of flat copper bar arc fold bending tooling and arc fold bending methods, solve thin copper bar in width
The technical issues of copper bar flatness after bending difficulty and bending existing for semi-circular not can guarantee is bent on direction.
The present invention is to solve the above technical problem by the following technical programs:
A kind of flat copper bar arc fold bending tooling, including circular bottom plate and flat copper bar, in the top surface center of circle of circular bottom plate
On be provided with central pin shaft, the bottom plate annular groove of U-shaped mouth is provided on the outer circle side of circular bottom plate, in central pin shaft
It is hinged with swing rod, one end of swing rod is provided with bearing, is provided with shaft within the bearing, shaft is the central axis with circular bottom plate
Line is arranged in parallel, is fixedly connected with idler wheel in the lower end of shaft, the wheel face of idler wheel and the outer circle side of circular bottom plate are pushed up
It is connected together, the idler wheel annular groove of U-shaped mouth is provided on the wheel face of idler wheel, idler wheel annular groove is with bottom plate annular groove
It is arranged in same level, flat copper bar is provided between idler wheel annular groove and bottom plate annular groove.
The outer inner round side of circular bottom plate is provided with pedestal dowel hole, pedestal dowel hole is connected with bottom plate annular groove
Lead to together, the cephalic par of flat copper bar is provided with positioning pin jack hole, positioning pin wears the cephalic par connect in flat copper bar
Between the positioning pin jack hole and pedestal dowel hole of setting；It is connected with oscillating bar length on swing rod and adjusts double-end lead-screw, swing rod
One end of length adjustment double-end lead-screw and the outboard end of swing rod are screwed together, and oscillating bar length adjusts the other end spiral shell of double-end lead-screw
It is connected to bearing fixed block, bearing is set on bearing fixed block.
Bottom plate annular groove there are three being located in parallel to one another on the outer circle side of circular bottom plate, on the wheel face of idler wheel
Idler wheel annular groove there are three being located in parallel to one another.
A kind of flat copper bar arc fold bending method, comprising the following steps:
The first step, the bottom plate annular groove that U-shaped mouth is set on the outer circle side of circular bottom plate, it is hinged in central pin shaft
Swing rod is arranged bearing in one end of swing rod, is arranged shaft within the bearing, and the central axis of shaft and circular bottom plate, which is parallel to each other, to be set
It sets, is fixedly connected with idler wheel in the lower end of shaft, the wheel face of idler wheel is together with the outer circle side apical grafting of circular bottom plate, in idler wheel
The idler wheel annular groove of U-shaped mouth is set on wheel face, and idler wheel annular groove and bottom plate annular groove are arranged in same level
's；
The cephalic par of flat copper bar is arranged in bottom plate annular groove second step, and passes through positioning pin for circular bottom plate
It wears and is connected together with the cephalic par of flat copper bar；
Idler wheel is moved on the outer circle side of the circular bottom plate on the outside of the cephalic par of flat copper bar by third step, will be exposed
The outboard end of flat copper bar outside to bottom plate annular groove is embedded into idler wheel annular groove, draws flat copper along clockwise direction
Item, and swing rod is swung clockwise, idler wheel is rolled along the outer circle side of circular bottom plate, and flat copper bar is embedding with the rolling of idler wheel
Enter into bottom plate annular groove, flat copper bar is bent into arc.
The present invention makes flat copper bar play the role of limit and smoothing to thin copper bar in bending rolling process, ensure that thin
Flatness of the copper bar in bending process realizes the production of the high quality, low cost of sealing ring, and qualification rate is high, processing cost
It is low.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is structural schematic diagram of the present invention in overlook direction；
Fig. 3 is the sectional view along A-A in Fig. 2.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing:
A kind of flat copper bar arc fold bending tooling, including circular bottom plate 1 and flat copper bar 2, in the top surface of circular bottom plate 1 circle
It is provided with central pin shaft 3 in the heart, the bottom plate annular groove 4 of U-shaped mouth is provided on the outer circle side of circular bottom plate 1, at center
It is hinged with swing rod 8 on pin shaft 3, one end of swing rod 8 is provided with bearing 5, shaft 6 is provided in bearing 5, shaft 6 is and circle
The central axis of shape bottom plate 1 is arranged in parallel, is fixedly connected with idler wheel 7, the wheel face and circle of idler wheel 7 in the lower end of shaft 6
The outer circle side apical grafting of shape bottom plate 1 together, is provided with the idler wheel annular groove 9 of U-shaped mouth, roller ring on the wheel face of idler wheel 7
Connected in star 9 and bottom plate annular groove 4 are arranged in same level, idler wheel annular groove 9 and bottom plate annular groove 4 it
Between be provided with flat copper bar 2.
The outer inner round side of circular bottom plate 1 is provided with pedestal dowel hole 10, pedestal dowel hole 10 is and bottom plate annular
What groove 4 was connected together, the cephalic par of flat copper bar 2 is provided with positioning pin jack hole, positioning pin 11, which is worn, to be connect in flat copper
It between the positioning pin jack hole and pedestal dowel hole 10 of the cephalic par setting of item 2, occur that flat copper bar 2 will not in bending
Play；It is connected with oscillating bar length on swing rod 8 and adjusts double-end lead-screw 13, oscillating bar length adjusts one end and the swing rod of double-end lead-screw 13
8 outboard end is screwed together, and the other end that oscillating bar length adjusts double-end lead-screw 13 is bolted with bearing fixed block 12, solid in bearing
Determine that bearing 5 is arranged on block 12, the setting that oscillating bar length adjusts double-end lead-screw 13 can meet the arc fold bending copper bar of different inner diameters
Processing, as long as the circular bottom plate 1 of replacement different-diameter can be realized.
Bottom plate annular groove 4 there are three being located in parallel to one another on the outer circle side of circular bottom plate 1, in the wheel of idler wheel 7
Idler wheel annular groove 9 there are three being located in parallel to one another on face；Can simultaneous processing three flat copper bars 2, improve processing efficiency.
A kind of flat copper bar arc fold bending method, comprising the following steps:
The first step, the bottom plate annular groove 4 that U-shaped mouth is set on the outer circle side of circular bottom plate 1, in central pin shaft 3
Hinged swing rod 8 is arranged bearing 5 in one end of swing rod 8, shaft 6, the central axis of shaft 6 and circular bottom plate 1 is arranged in bearing 5
Line is arranged in parallel, is fixedly connected with idler wheel 7 in the lower end of shaft 6, the wheel face of idler wheel 7 and the outer circle side of circular bottom plate 1 are pushed up
It is connected together, the idler wheel annular groove 9 of U-shaped mouth, idler wheel annular groove 9 and bottom plate annular groove 4 is set on the wheel face of idler wheel 7
It is arranged in same level；
The cephalic par of flat copper bar 2 is arranged in bottom plate annular groove 4 second step, and will be round by positioning pin 11
The cephalic par of bottom plate 1 and flat copper bar 2, which is worn, to be connected together；
Idler wheel 7 is moved on the outer circle side of the circular bottom plate 1 on the outside of the cephalic par of flat copper bar 2 by third step, will be revealed
It is embedded into idler wheel annular groove 9 to the outboard end of the flat copper bar 2 outside bottom plate annular groove 4 out, draws along clockwise direction
Flat copper bar 2, and swing rod 8 is swung clockwise, idler wheel 7 is rolled along the outer circle side of circular bottom plate 1, and flat copper bar 2 is with rolling
The rolling of wheel 7 is embedded into bottom plate annular groove 4, by flat 2 bending camber of copper bar.
Claims (3)
1. a kind of flat copper bar arc fold bending tooling, including circular bottom plate (1) and flat copper bar (2), on the top of circular bottom plate (1)
Central pin shaft (3) are provided on the center of circle of face, which is characterized in that the bottom of U-shaped mouth is provided on the outer circle side of circular bottom plate (1)
Plate annular groove (4) is hinged with swing rod (8) on central pin shaft (3), one end of swing rod (8) is provided with bearing (5), in axis
Hold and be provided in (5) shaft (6), shaft (6) be it is arranged in parallel with the central axis of circular bottom plate (1), in shaft (6)
Lower end be fixedly connected with idler wheel (7), the wheel face of idler wheel (7) is together with the outer circle side apical grafting of circular bottom plate (1), in idler wheel
(7) the idler wheel annular groove (9) of U-shaped mouth is provided on wheel face, idler wheel annular groove (9) is to set with bottom plate annular groove (4)
It sets in same level, flat copper bar (2) is provided between idler wheel annular groove (9) and bottom plate annular groove (4).
2. a kind of flat copper bar arc fold bending tooling according to claim 1, which is characterized in that in circular bottom plate (1)
Outer inner round side is provided with pedestal dowel hole (10), and pedestal dowel hole (10) is connected together with bottom plate annular groove (4)
, the cephalic par of flat copper bar (2) is provided with positioning pin jack hole, positioning pin (11) wears the head end connect in flat copper bar (2)
Between the positioning pin jack hole and pedestal dowel hole (10) of portion's setting；It is connected with oscillating bar length on swing rod (8) and adjusts double end
Lead screw (13), oscillating bar length adjusts the one end of double-end lead-screw (13) and the outboard end of swing rod (8) is screwed together, oscillating bar length tune
The other end of section double-end lead-screw (13) is bolted with bearing fixed block (12), and bearing (5) are arranged on bearing fixed block (12).
3. a kind of flat copper bar arc fold bending tooling according to claim 1 or 2, which is characterized in that in circular bottom plate (1)
Outer circle side on be located in parallel to one another there are three bottom plate annular groove (4), set in parallel with each other on the wheel face of idler wheel (7)
There are three setting idler wheel annular groove (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822161740.XU CN209452576U (en) | 2018-12-22 | 2018-12-22 | Flat copper bar arc fold bending tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822161740.XU CN209452576U (en) | 2018-12-22 | 2018-12-22 | Flat copper bar arc fold bending tooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209452576U true CN209452576U (en) | 2019-10-01 |
Family
ID=68041613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822161740.XU Active CN209452576U (en) | 2018-12-22 | 2018-12-22 | Flat copper bar arc fold bending tooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209452576U (en) |
-
2018
- 2018-12-22 CN CN201822161740.XU patent/CN209452576U/en active Active
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