CN203448558U - Necking die mechanism - Google Patents
Necking die mechanism Download PDFInfo
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- CN203448558U CN203448558U CN201320584280.6U CN201320584280U CN203448558U CN 203448558 U CN203448558 U CN 203448558U CN 201320584280 U CN201320584280 U CN 201320584280U CN 203448558 U CN203448558 U CN 203448558U
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- bearing
- reducing
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- rotating shaft
- holder
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Abstract
The utility model discloses a necking die mechanism. The necking die mechanism comprises a first fixed part, a second fixed part and a rotating part, wherein the first fixed part comprises a first fixed seat and a first bearing, the first fixed seat is provided with a first installation hole along the axial direction, and the first bearing is installed in the first installation hole; the second fixed part comprises a second fixed seat and a second bearing, the second fixed seat is provided with a second installation hole along the axial direction, and the second bearing is installed in the second installation hole; the rotating part comprises a rotating shaft, a synchronous wheel and a rotating die, one end of the rotating shaft is connected with the first bearing, the other end of the rotating shaft is connected with the second bearing, the synchronous wheel is sleeved on the rotating shaft, the rotating die is arranged on one end, close to a second shaft, of the rotating shaft, the top end of the rotating shaft is provided with a necking pore, and the center of the necking pore is provided with a necking needle. By adopting the technical scheme, the synchronous wheel of the rotating part is connected with a motor or a speed-changer through a transmission device. When in work, the rotating part rotates at high speed. In the working process, a tube core is positioned by the necking needle, the tube aperture can be controlled, and the necking deformation problem can be solved.
Description
Technical field
The utility model relates to copper aluminum pipe necking machine parts, particularly a kind of reducing die mechanism.
Background technology
Necking machine is under normal conditions pipe fitting end face to be carried out the processing equipment of the draw, and more mold exchange can carry out to pipe fitting the tube end maching moulding such as expander, the draw, bulge, upsetting muscle.Tubing reducing is the moulding process that pipe end diameter is dwindled.Pipe enters the reducing hole of reducing die at responsive to axial force, the final end diameter of dwindling that forms.Necking machine be widely used in pipe fitting patch, the machine-shaping of the connecting portion such as automobile oil pipe, airduct, water pipe, air-conditioner pipe, be desirable pipe end contour machining equipment.
Shown in Fig. 1 is the profile of reducing die conventional on current necking machine.As shown in the figure, this device is used the direct rotary press modelling in reducing hole when reducing.In this process, the mouth of pipe and reducing hole frictional heating, easily cause the situation of reducing distortion, thereby affect the crudy of pipe fitting.
Utility model content
The purpose of this utility model is to provide a kind of reducing die mechanism, to overcome the deficiencies in the prior art.
According to an aspect of the present utility model, reducing die mechanism is provided, comprising:
The first fixed part, the first fixed part comprises the first holder and clutch shaft bearing, and the first holder is provided with the first installing hole vertically, and clutch shaft bearing is arranged in the first installing hole;
The second fixed part, the second fixed part comprises the second holder and the second bearing, and the second holder is provided with the second installing hole vertically, and the second bearing is arranged in the second installing hole;
Rotating part, comprises rotating shaft, synchronizing wheel and rotating mould, and rotating shaft one end is connected with clutch shaft bearing, the other end is connected with the second bearing, and synchronizing wheel is sheathed on rotating shaft, and rotating mould is located at rotating shaft near second bearing one end, rotating mould top is provided with reducing hole, and reducing Kong center is provided with reducing pin.
Adopt the reducing die mechanism of above technical scheme, the synchronizing wheel of rotating part is connected by transmission device with motor or speed changer.When work, rotating part High Rotation Speed.In the course of the work, reducing pin can be lived tube core surely, simultaneously also can control valve footpath, thus solve reducing problem on deformation.
In some embodiments, the second fixed part inside is also provided with guider.Guider comprises guiding switch block and roller, guiding switch block is axially arranged with the rotating mould installing hole running through along center, rotating mould installing hole perisporium is provided with the roller slot that runs through perisporium vertically, roller is located in roller slot, guider two ends are rotationally connected by the second bearing and roller and the second holder respectively, and rotating mould is rotationally connected by roller and guiding switch block.By guider, rotating mould is installed, not only can effectively avoid rotating mould that slight shake occurs in the process of High Rotation Speed and cause pipe fitting reducing distortion, and reduced rotating mould frictional force in the course of the work, and loss is reduced, extended the service life of rotating mould.
In some embodiments, rotating mould is combined by two parts, and rotating shaft is provided with mounting groove, and rotating mould is arranged in mounting groove.Thus, rotating mould installation and removal are convenient, are easy to change different rotating moulds according to different requirements.
In some embodiments, reducing pin and rotating mould are rotationally connected.Reducing pin can freely rotate in the reducing hole of rotating mould.Thus, when work, greatly reduce the friction between pipe fitting and reducing pin, avoided pipe fitting due to the overheated distortion causing.
In some embodiments, the first holder is provided with two clutch shaft bearings, and the second holder is provided with two the second bearings.Thus, the operation of rotating part is more stable, has avoided rotating mould that slight shake occurs in the process of High Rotation Speed and has caused pipe fitting reducing distortion.
In some embodiments, rotating shaft is provided with keyway, and synchronizing wheel is connected with rotation axle key by keyway.Thus, the structure of synchronizing wheel simpler, install and remove more convenient, centering is better.
Accompanying drawing explanation
Fig. 1 is the generalized section of reducing die conventional on necking machine.
Fig. 2 is the schematic diagram of necking machine.
Fig. 3 is the A portion enlarged drawing in Fig. 2.
Fig. 4 is the schematic diagram of the reducing die mechanism of a kind of embodiment of the utility model.
Fig. 5 is the partial enlarged drawing of part shown in C in Fig. 4.
Fig. 6 is the structural representation of the reducing die mechanism shown in Fig. 4.
Fig. 7 is the installation diagram of the reducing die mechanism shown in Fig. 4.
Fig. 8 is the structural representation of the rotating mould shown in Fig. 7 and reducing pin.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 2 to Fig. 3 has schematically shown a kind of necking machine.As shown in the figure, the B of reducing die mechanism is positioned at one end of necking machine.A plurality of reducing die B of mechanism can be installed on a necking machine.A plurality of reducing die B of mechanism are moving by a motor synchronous belt.Coordinate with miscellaneous part, necking machine can be realized numerical control operating and fully-automatic production.
Fig. 4 to Fig. 8 has schematically shown the reducing die mechanism according to a kind of embodiment of the present utility model.，Gai mechanism comprises the first fixed part 20, the second fixed part 40 and rotating part 30 as shown in the figure.
The first fixed part 20 comprises the first holder 17 and two clutch shaft bearing 16a and 16b.Wherein, the first holder 17 is provided with the first installing hole 171 vertically.Two clutch shaft bearing 16a and 16b are arranged in the first installing hole 171 successively.Clutch shaft bearing 16a both sides are provided with two clutch shaft bearing glands 15, and clutch shaft bearing 16b mono-side is clutch shaft bearing gland 15, and opposite side is provided with pressing plate 18.Clutch shaft bearing gland 15 is fixedly connected with the first holder 17.The shape of pressing plate 18 is corresponding with the shape of clutch shaft bearing 16b inner ring.
The second fixed part 40 comprises the second holder 4 and the second bearing and guider.Wherein, the second holder 4 is provided with the second installing hole 41 vertically.Two the second bearing 5a and 5b are arranged in the second installing hole 41 successively.Between the second bearing 5a and the second bearing 5b, be provided with partition 6.The second bearing 5b opposite side is provided with back-up ring 7 and the second bearing gland 8 successively.The second bearing gland 8 is fixedly connected with the second holder 4.Guider comprises guiding switch block 3 and roller 2.Guiding switch block 3 is axially arranged with the rotating mould installing hole 31 running through along center.The head end perisporium of rotating mould installing hole 31 is provided with the roller slot 32 that runs through perisporium vertically.Roller 2 is located in roller slot 32.The second holder 4 also has gland 1.Gland 1 is arranged on roller slot 32 and is fixedly connected with the second holder 4.Guiding switch block 3 head ends are rotationally connected by roller 2 and the second installing hole 41.Roller 2 contacts with the second installing hole 41 inwalls.Guiding switch block 3 tail ends are rotationally connected by the second bearing 5a and the second bearing 5b and the second installing hole 41, wherein, the inner ring of the second bearing 5a and 5b is fixedly connected with guiding switch block 3 tail ends, and the outer ring of the second bearing 5a and the second bearing 5b is fixedly connected with the second installing hole 41.
Rotating part 30 comprises rotating shaft 12, synchronizing wheel 14 and rotating mould 11.Wherein, rotating shaft 12 head ends are provided with mounting groove 121, and rotating mould 11 is arranged in mounting groove 121.Rotating mould 11 is combined by two parts 11a and 11b, and its top is provided with reducing hole 111, and reducing Kong111 center is provided with reducing pin 10.Two parts 11a of rotating mould 11 and 11b are fixing by rotary gland 9.Rotating shaft 12 head ends are fixedly connected with 5b with the second bearing 5a.Rotating shaft 12 tail ends are fixedly connected with clutch shaft bearing 16b with clutch shaft bearing 16a.Rotating shaft 12 middle parts are provided with keyway 13, and synchronizing wheel 14 is connected with rotating shaft 12 keys by keyway 13.Rotating mould 11 is arranged in rotating mould installing hole 31, and is rotationally connected by roller 2 and guiding switch block 3.Roller 2 contacts with rotating mould 11.
In the present embodiment, rotating mould 11 inside are also provided with accommodating hole 112.Accommodating hole 112 is communicated with reducing hole 111, and its diameter is greater than the diameter in reducing hole 111.Reducing pin 10 bottoms are provided with cylindrical base 101.Pedestal 101 is arranged in accommodating hole 112.Reducing pin 10 can interiorly in the reducing hole 111 of rotating mould 11 freely rotate.
Operation principle:
The reducing die mechanism that the utility model provides is arranged in the reducing device of necking machine.The synchronizing wheel 14 of rotating part 30 is connected by transmission device with motor or speed changer.When work, rotating part 30 High Rotation Speeds.Reducing device provides dragging track to be connected with necking machine.Necking machine is also provided with driving cylinder.Driving cylinder can promote reducing device moves around along dragging track.When pipe fitting is carried out to reducing, first by the fixture being arranged on necking machine, pipe fitting is fixedly clamped.The head end of pipe fitting stretches in reducing hole 111, and reducing pin 10 stretches in pipe fitting and positions.Now, be arranged on rotating mould 11 High Rotation Speed under the drive of motor of rotating part 30 head ends, meanwhile, reducing device moves to pipe fitting along dragging track under the effect that drives cylinder.Reducing hole 111 inwalls constantly push pipe fitting in the process of High Rotation Speed.Because the shape in reducing hole 111 is toroidal, so the external diameter of pipe fitting constantly dwindles, thereby completes the reducing processing of pipe fitting.In the course of the work, reducing pin can be lived tube core surely, simultaneously also can control valve footpath, thus solve reducing problem on deformation.Machine rear reducing device under the effect that drives cylinder along dragging track principle pipe fitting, pipe fitting head end exits reducing hole 111.Finally take off the pipe fitting processing, and put pipe fitting to be processed, can process continuously.Cooperative mechanical arm, is equipped with this reducing die mechanism necking machine and can realizes full-automatic production, has greatly improved working (machining) efficiency.
Above-described is only embodiments more of the present utility model.For the person of ordinary skill of the art, not departing under the prerequisite of the utility model creation design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (6)
1. reducing die mechanism, is characterized in that, comprising:
The first fixed part, described the first fixed part comprises the first holder and clutch shaft bearing, and described the first holder is provided with the first installing hole vertically, and described clutch shaft bearing is arranged in described the first installing hole;
The second fixed part, described the second fixed part comprises the second holder and the second bearing, and described the second holder is provided with the second installing hole vertically, and described the second bearing is arranged in described the second installing hole;
Rotating part, comprise rotating shaft, synchronizing wheel and rotating mould, described rotating shaft one end is connected with described clutch shaft bearing, the other end is connected with described the second bearing, described synchronizing wheel is sheathed on described rotating shaft, described rotating mould is located at described rotating shaft near second bearing one end, and described rotating mould top is provided with reducing hole, and described reducing Kong center is provided with reducing pin.
2. reducing die according to claim 1 mechanism, it is characterized in that, described the second fixed part inside is also provided with guider, described guider comprises guiding switch block and roller, described guiding switch block is axially arranged with the rotating mould installing hole running through along center, the perisporium of described rotating mould installing hole is provided with the roller slot that runs through perisporium vertically, described roller is located in described roller slot, described guider two ends are rotationally connected by described the second bearing and described roller and described the second holder respectively, described rotating mould is rotationally connected by described roller and described guiding switch block.
3. reducing die according to claim 2 mechanism, is characterized in that, described rotating mould is combined by two parts, and described rotating shaft is provided with mounting groove, and described rotating mould is arranged in described mounting groove.
4. reducing die according to claim 3 mechanism, is characterized in that, described reducing pin and described rotating mould are rotationally connected.
5. reducing die according to claim 1 mechanism, is characterized in that, described the first holder is provided with two described clutch shaft bearings, and described the second holder is provided with two described the second bearings.
6. reducing die according to claim 1 mechanism, is characterized in that, described rotating shaft is provided with keyway, and described synchronizing wheel is connected with described rotation axle key by described keyway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320584280.6U CN203448558U (en) | 2013-09-22 | 2013-09-22 | Necking die mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320584280.6U CN203448558U (en) | 2013-09-22 | 2013-09-22 | Necking die mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203448558U true CN203448558U (en) | 2014-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320584280.6U Expired - Lifetime CN203448558U (en) | 2013-09-22 | 2013-09-22 | Necking die mechanism |
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| CN (1) | CN203448558U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103464631A (en) * | 2013-09-22 | 2013-12-25 | 中山市富菱斯机电设备有限公司 | Necking die mechanism |
| CN106270233A (en) * | 2016-08-25 | 2017-01-04 | 陈学红 | A kind of steel pipe throat machine |
-
2013
- 2013-09-22 CN CN201320584280.6U patent/CN203448558U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103464631A (en) * | 2013-09-22 | 2013-12-25 | 中山市富菱斯机电设备有限公司 | Necking die mechanism |
| CN106270233A (en) * | 2016-08-25 | 2017-01-04 | 陈学红 | A kind of steel pipe throat machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |