CN210172389U - Mouth expanding and contracting device for stainless steel pipe - Google Patents
Mouth expanding and contracting device for stainless steel pipe Download PDFInfo
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- CN210172389U CN210172389U CN201920680214.6U CN201920680214U CN210172389U CN 210172389 U CN210172389 U CN 210172389U CN 201920680214 U CN201920680214 U CN 201920680214U CN 210172389 U CN210172389 U CN 210172389U
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- steel pipe
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- necking
- stainless steel
- flaring
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Abstract
The utility model relates to a mouth expanding and contracting device of a stainless steel pipe, which comprises a workbench, a rotating motor arranged on the workbench, a rotating shaft arranged on the rotating motor, a fixing mechanism for fixing a workpiece, a driving cylinder for driving the rotating motor to move, a die for expanding or contracting the workpiece, a sliding rail arranged on the workbench and a sliding block arranged at the bottom of the rotating motor; the workpiece is sleeved on the rotating shaft, and the rotating motor drives the rotating shaft to rotate; the slider with the shape and the size phase-match of slide rail, just the slider is followed the slide rail motion. The utility model provides a nonrust steel pipe expand throat device is softened through limit friction, and the work piece processing that the mode of limit flaring or throat goes on prevents to damage mould and work piece, guarantees the life of mould, and the workpiece surface after the shaping is smooth, and the shaping high quality.
Description
Technical Field
The utility model relates to a steel pipe production facility technical field specifically, relates to a mouth device that contracts that expands of nonrust steel pipe.
Background
In the production process of the stainless steel pipe, various types of standard parts are firstly produced in batches, for some application places, the end part of the stainless steel pipe is required to be in a horn shape or a necking shape, so that the stainless steel pipe needs to be subjected to necking treatment or necking treatment, when the existing stainless steel pipe is subjected to necking treatment or necking treatment, hard extrusion is usually adopted, namely, the stainless steel pipe is forcibly inserted into a die to be subjected to necking treatment or the die is forcibly inserted into the stainless steel pipe to be subjected to flaring treatment, although the production mode can realize necking and flaring, the hard extrusion between the stainless steel pipe and the die is easy to damage the die or the stainless steel pipe, and the qualification rate of the stainless steel pipe is influenced. Therefore, there is a need to provide a new type of expanding and contracting device for stainless steel pipes to solve the above problems.
The utility model provides a nonrust steel pipe expand throat device makes nonrust steel pipe become soft through the heat that rotatory friction produced, then carries out flaring or throat processing again, is difficult to damage nonrust steel pipe and mould, handles the port surfacing.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide an expand throat device of nonrust steel pipe, the heat that produces through the spin friction makes nonrust steel pipe become soft, then carries out flaring or throat processing again, is difficult to damage nonrust steel pipe and mould, handles port surfacing.
In order to solve the technical problem, the utility model provides a stainless steel pipe expands throat device, including the workstation, install the rotating electrical machines on the workstation, install the rotation axis on the rotating electrical machines, the fixed establishment that is used for fixed work piece, drive the driving cylinder of rotating electrical machines motion and be used for carrying out flaring or throat mould, install the slide rail on the workstation and install in the slider of rotating electrical machines bottom;
the workpiece is sleeved on the rotating shaft, and the rotating motor drives the rotating shaft to rotate;
the slider with the shape and the size phase-match of slide rail, just the slider is followed the slide rail motion.
Preferably, the rotating electrical machine has a speed of 1800 rpm to 2500 rpm.
Preferably, the outer diameter of the rotating shaft is smaller than or equal to the inner diameter of the workpiece.
Preferably, the rotation shaft is detachably connected to the rotation motor.
Preferably, the fixing mechanism is fixed to the rotating shaft, and a surface of the fixing mechanism, which is in contact with the workpiece, is made of an elastic material.
Preferably, the mould is a necking mould, the necking mould comprises a necking end and a forming end connected with the necking end, the necking end is of a rotating body structure, and the diameter of the necking end is gradually reduced towards the direction close to the forming end.
Preferably, the necking die further comprises a guide rod extending from the bottom of the forming end to the necking end.
Preferably, the mold is a flaring mold, the flaring mold comprises a flaring end and a forming end, the flaring end is of a rotator structure, and the diameter of the flaring end gradually increases towards the forming end.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model provides a nonrust steel pipe expand throat device is softened through limit friction, and the work piece processing that the mode of limit flaring or throat goes on prevents to damage mould and work piece, guarantees the life of mould, and the workpiece surface after the shaping is smooth, and the shaping high quality.
2. The utility model provides an expanding and necking device of nonrust steel pipe, fixed establishment is fixed in on the rotation axis, and its face that contacts with the work piece is supported by elastic material, like rubber for increase the in-process that fixed establishment pressed from both sides tight work piece, increase the frictional force between work piece and the fixed establishment, guarantee that the work piece can follow rotation of rotation axis.
Drawings
Fig. 1 is a schematic structural view of a stainless steel pipe expansion and contraction device provided by the present invention;
fig. 2 is a schematic structural view of another embodiment of the expansion and contraction device for stainless steel pipes provided by the present invention;
fig. 3 is a schematic structural view of a necking die of the necking device for stainless steel pipes.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1-3, a stainless steel pipe mouth expanding and contracting device comprises a worktable 1, a rotating motor 2 mounted on the worktable 1, a rotating shaft 3 mounted on the rotating motor 2, a fixing mechanism 4 for fixing a workpiece, a driving cylinder 5 for driving the rotating motor 2 to move, a die 6 for expanding or contracting the workpiece, a slide rail 7 mounted on the worktable 1, and a slide block 8 mounted at the bottom of the rotating motor 2;
the workpiece is sleeved on the rotating shaft 3, and the rotating motor 2 drives the rotating shaft 3 to rotate;
the shape and the size of the sliding block 8 are matched with those of the sliding rail 7, and the sliding block 8 moves along the sliding rail 7.
The workbench 1 is used for fixedly mounting the rotating motor 2, the driving cylinder 5, the die 6 and the slide rail 7, and is convenient for realizing flaring processing or necking processing of workpieces.
The rotating motor 2 is mounted on the workbench 1, and drives the rotating shaft 3 to rotate after being electrified, so that friction is generated when the workpiece rotates relative to the die, the workpiece is softened, and necking and flaring of the workpiece are facilitated. It should be noted that, if the rotating speed of the rotating motor 2 is too high, the workpiece may be completely melted and may not be formed, which affects the necking and flaring of the stainless steel tube, and if the rotating speed of the rotating motor 2 is too low, the workpiece may not be softened, which may not achieve the effect of protecting the workpiece and the mold. The event the utility model discloses will rotating electrical machines 2's rotational speed sets up to 1800 rpm-2500 rpm between, guarantees that the work piece is by the degree of softening in the requirement scope, when protecting work piece and mould, and the workpiece surface after the shaping is smooth, improves the processingquality of work piece.
In addition, since the workpieces have different sizes, the rotating shaft 3 is detachably connected to the rotating motor 2, such as by a screw connection, in order to enable various workpieces to be processed. Different rotating shafts can be replaced conveniently according to the size of a specific workpiece, and the universality of the device is improved.
The fixing mechanism 4 is used for fixing a workpiece on the rotating shaft 3, so that the workpiece is prevented from stopping rotating due to friction force between the workpiece and a die when the rotating shaft 3 drives the workpiece to rotate, the fixing mechanism 4 is fixed on the rotating shaft 3, and the surface of the fixing mechanism 4, which is in contact with the workpiece, is made of an elastic material, such as rubber support, and is used for increasing the friction force between the workpiece and the fixing mechanism 4 in the process that the fixing mechanism 4 clamps the workpiece, so that the workpiece can rotate along with the rotating shaft.
The driving cylinder 5 is used for driving the rotating motor 2 to move, so that the rotating motor 2 moves towards the direction close to or away from the die, and the processing of the workpiece is realized.
The die 6 is used for realizing necking or flaring of a workpiece, when the die 6 is a necking die, the necking die 6a comprises a necking end 61a and a forming end 62a connected with the necking end 61a, the necking end 61a is of a rotator structure, the diameter of the necking end 61a is gradually reduced towards the direction close to the forming end 62a, and therefore necking is convenient to realize. It should be noted that, because the workpiece is softened during the rotation process, in order to prevent the inner surface of the formed workpiece from being uneven due to an excessively large softening degree of the workpiece, the necking die 6a further includes a guide rod 63a, the guide rod 63a extends from the bottom of the forming end 62a to the necking end 61a, and the workpiece is sleeved on the guide rod 63a, so as to ensure the forming quality of the workpiece.
When the die is a flaring die 6b, the flaring die 6b comprises a flaring end 61b and a forming end 62b, the flaring end 61b is of a rotator structure, and the diameter of the flaring end is gradually increased towards the forming end 62b, so that flaring processing of a workpiece is realized.
The slide rail 7 is mounted on the workbench 1 and connected with the driving cylinder 5 and the mold 6, so that the rotating motor 2 moves away from or close to the mold 6 when moving on the slide rail 7.
The sliding block 8 is installed at the bottom of the rotating motor 2, the shape and the size of the sliding block are matched with those of the sliding rail 7, and the sliding block 8 moves along the sliding rail 7, so that the rotating motor 2 moves close to or away from the mold 6.
The utility model provides an expanding and necking device of nonrust steel pipe, the during operation, 2 drive rotation axis 3 rotations of rotating electrical machines, drive the work piece that the cover was located on the rotation axis 3 and follow rotation axis 3 and rotate together, drive actuating cylinder 5 drive 2 toward being close to rotating electrical machines's direction motion, work piece tip and 6 looks mutual frictions of mould produce the heat, soften the work piece, the work piece is at softening in-process toward being close to mould 6's direction motion has realized throat or flaring, and the work piece processing of going on through this kind of mode prevents to damage mould and work piece, guarantees the life of mould, and the work piece surface after the shaping is smooth, and the shaping quality is high.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (8)
1. The stainless steel pipe mouth expanding and contracting device is characterized by comprising a workbench, a rotating motor arranged on the workbench, a rotating shaft arranged on the rotating motor, a fixing mechanism used for fixing a workpiece, a driving cylinder used for driving the rotating motor to move, a die used for expanding or contracting the workpiece, a sliding rail arranged on the workbench and a sliding block arranged at the bottom of the rotating motor;
the workpiece is sleeved on the rotating shaft, and the rotating motor drives the rotating shaft to rotate;
the slider with the shape and the size phase-match of slide rail, just the slider is followed the slide rail motion.
2. The stainless steel pipe expanding and contracting device as claimed in claim 1, wherein the rotating speed of said rotating motor is 1800 rpm-2500 rpm.
3. A flaring device for a stainless steel pipe as claimed in claim 1 wherein said rotating shaft has an outer diameter less than or equal to an inner diameter of a workpiece.
4. The stainless steel pipe flaring device of claim 1, wherein said rotating shaft is detachably connected to said rotating motor.
5. The stainless steel pipe flaring device of claim 1, wherein said fixing mechanism is fixed to said rotating shaft, and the surface of said fixing mechanism contacting the workpiece is made of an elastic material.
6. The stainless steel pipe necking device of claim 1, wherein the die is a necking die, the necking die comprises a necking end and a forming end connected with the necking end, the necking end is of a rotating body structure, and the diameter of the necking end is gradually reduced towards the forming end.
7. The stainless steel pipe flare apparatus of claim 6 wherein the necking die further comprises a guide rod extending from the bottom of the forming end to the necking end.
8. The stainless steel pipe flaring device of claim 1, wherein said die is a flaring die, said flaring die comprises a flaring end and a forming end, said flaring end is in a rotator structure, and the diameter of said flaring end increases gradually towards said forming end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920680214.6U CN210172389U (en) | 2019-05-13 | 2019-05-13 | Mouth expanding and contracting device for stainless steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920680214.6U CN210172389U (en) | 2019-05-13 | 2019-05-13 | Mouth expanding and contracting device for stainless steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210172389U true CN210172389U (en) | 2020-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920680214.6U Active CN210172389U (en) | 2019-05-13 | 2019-05-13 | Mouth expanding and contracting device for stainless steel pipe |
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| CN (1) | CN210172389U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112958708A (en) * | 2021-03-10 | 2021-06-15 | 新昌县精鼎数控设备有限公司 | Necking mechanism of air conditioner throttle valve |
| CN113351774A (en) * | 2021-06-02 | 2021-09-07 | 姜睿泓 | Engineering pipe machining device and method |
-
2019
- 2019-05-13 CN CN201920680214.6U patent/CN210172389U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112958708A (en) * | 2021-03-10 | 2021-06-15 | 新昌县精鼎数控设备有限公司 | Necking mechanism of air conditioner throttle valve |
| CN112958708B (en) * | 2021-03-10 | 2022-12-06 | 绍兴精鼎数控设备股份有限公司 | Necking mechanism of air conditioner throttle valve |
| CN113351774A (en) * | 2021-06-02 | 2021-09-07 | 姜睿泓 | Engineering pipe machining device and method |
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